@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');

/* 
 * Design System - Ngọc Minh Anh Beluga & Caviar
 * Light Theme - Natural, Fresh, Premium
 */

:root {
    /* ============================================================
       EDITORIAL LUXURY PALETTE — warm ivory paper · ink · gold
       (Retuned tokens cascade to every page + inline styles)
       ============================================================ */
    --bg-dark: #F7F3EA;            /* Warm ivory "paper" canvas for light sections */
    --bg-card: #FFFFFF;            /* Crisp white cards for editorial contrast */
    --bg-ivory: #FBF8F1;           /* Softest cream — alternating bands */
    --bg-paper: #F1EBDD;           /* Deeper sand band */
    --text-main: #211B14;          /* Warm near-black ink (replaces cold slate) */
    --text-muted: #6E6557;         /* Warm taupe grey for body copy */
    --hairline: rgba(33, 27, 20, 0.10); /* Editorial hairline rule */
    --hairline-soft: rgba(33, 27, 20, 0.06);

    --accent-gold: #5C9E45;        /* Logo leaf green (brand) */
    --accent-gold-hover: #4A8237;  /* Deeper green */
    --accent-emerald: #BC3A22;     /* Logo red/orange — deepened for ≥4.5 contrast on light */
    --accent-gold-lux: #B5935A;    /* Antique gold — for accents on DARK backgrounds + hairlines */
    --accent-gold-lux-soft: #C8AC82;
    --gold-ink: #846530;           /* Deep antique gold — for gold TEXT/icons on LIGHT backgrounds (≥4.8:1) */

    /* Typography */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    /* Spacing & Layout */
    --container-max: 1200px;
    --nav-width: 180px;

    /* Effects — softened for an airy, editorial feel */
    --glass-bg: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(33, 27, 20, 0.06);
    --glass-blur: blur(16px);
    --shadow-premium: 0 1px 2px rgba(33, 27, 20, 0.03), 0 18px 40px -24px rgba(33, 27, 20, 0.18);
    --shadow-hover: 0 28px 60px -32px rgba(33, 27, 20, 0.28), 0 4px 12px -8px rgba(33, 27, 20, 0.10);

    /* Transitions */
    --trans-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --trans-spring: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 6px;
    transition: background 0.3s;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: #ffffff;
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #0f172a;               /* Màu slate-900 sang trọng, uy tín */
    line-height: 1.45;            /* Đảm bảo khoảng cách dòng hợp lý, tránh chạm dấu tiếng Việt */
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 4.2vw, 2.75rem);
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1rem;
    line-height: 1.35;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.section-title span,
.title-line {
    display: inline-block;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: bottom;
}

p {
    margin-top: 0;
    margin-bottom: 1.1rem;
    line-height: 1.65;
}
p:last-child {
    margin-bottom: 0;
}

.section-subtitle {
    font-family: var(--font-sans);
    color: var(--accent-emerald); /* Đỏ cam - màu logo */
    text-transform: uppercase;
    letter-spacing: 0.12em;       /* Khoảng cách chữ rộng rãi cho chữ hoa dễ thở */
    font-size: 0.88rem;            /* Cân đối lại kích thước tinh tế hơn */
    font-weight: 700;
    line-height: 1.45;             /* Khoảng cách dòng cho các tiêu đề phụ đa dòng */
    margin-bottom: 0.5rem;
    display: block;
}

/* Global Responsive Section Padding — generous editorial whitespace */
.intro, .about, .products, .blog, .scale, .certificates, .pricing, .partners-section, .policies, .contact, .solutions {
    padding: clamp(3.5rem, 7vw, 7rem) 0 !important;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}
.has-sidebar .container {
    padding-left: 200px; /* Make room for left sidebar on desktop */
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-hover) 100%);
    color: #ffffff;
    padding: 1rem 2.25rem;
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    border-radius: 50px; /* Pill shape */
    box-shadow: 0 4px 15px rgba(98, 184, 77, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Spring curve */
}

/* 21st.dev Shimmer sweep effect */
.btn-primary::after {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.35) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    pointer-events: none;
    animation: shimmer-sweep 3.5s ease-in-out infinite;
}

@keyframes shimmer-sweep {
    0% {
        left: -150%;
    }
    50% {
        left: 150%;
    }
    100% {
        left: 150%;
    }
}

.btn-primary:hover {
    color: #ffffff;
    transform: translateY(-4px) scale(1.04);
    box-shadow: 0 12px 30px rgba(98, 184, 77, 0.4);
}

.btn-primary:hover::after {
    animation: shimmer-sweep-hover 1.8s ease-in-out infinite;
}

@keyframes shimmer-sweep-hover {
    0% {
        left: -150%;
    }
    100% {
        left: 150%;
    }
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.96);
    box-shadow: 0 4px 10px rgba(98, 184, 77, 0.15);
    transition: all 0.1s ease;
}

/* Secondary Button style for Zalo sỉ/lẻ */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
    padding: 1rem 2.25rem;
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-secondary:hover {
    background: var(--accent-gold);
    color: #ffffff;
    transform: translateY(-4px) scale(1.04);
    box-shadow: 0 12px 30px rgba(98, 184, 77, 0.3);
}

.btn-secondary:active {
    transform: translateY(-1px) scale(0.96);
    box-shadow: 0 4px 10px rgba(98, 184, 77, 0.15);
    transition: all 0.1s ease;
}

.btn-outline, .btn-outline-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 0.85rem 1.75rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: transparent;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-outline-small {
    padding: 0.55rem 1.25rem;
    font-size: 0.82rem;
    border-width: 1.5px;
}

.btn-outline:hover, .btn-outline-small:hover {
    background: var(--accent-gold);
    color: #ffffff;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 20px rgba(98, 184, 77, 0.2);
}

.btn-outline:active, .btn-outline-small:active {
    transform: translateY(-1px) scale(0.97);
    box-shadow: 0 3px 8px rgba(98, 184, 77, 0.1);
    transition: all 0.1s ease;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.btn-text:hover {
    color: var(--accent-gold);
    transform: translateX(6px);
}

/* ==========================================
   Header - Fixed Top Premium Bar
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(15, 23, 42, 0.92); /* Solid dark glass by default */
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: none;
    z-index: 9999;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* On homepage, start transparent at the top with a subtle dark gradient */
.home-page .site-header {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.2) 65%, transparent 100%);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    height: 80px;
    box-shadow: none;
}

/* Scrolled state on homepage */
.home-page .site-header.scrolled {
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: none;
    height: 70px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header-container {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-width: 0;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    flex-shrink: 0;
}

.header-brand img {
    height: 62px;
    width: auto;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.18));
    transition: height 0.3s ease;
}

.site-header.scrolled .header-brand img {
    height: 52px;
}

.header-brand-text {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.header-nav {
    display: flex;
    align-items: center;
}

.header-nav-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 4px;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 99px;
}

.header-nav-menu li {
    position: relative;
    flex: 1 1 0;
    text-align: center;
}

.header-nav-menu a {
    position: relative;
    z-index: 2;
    display: block;
    width: 100%;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-size: clamp(0.72rem, 1.1vw, 0.88rem);
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0.3px;
    padding: 8px clamp(8px, 1.2vw, 18px);
    border-radius: 99px;
    /* Text-shadow giúp chữ nổi bật trên mọi nền sáng/tối */
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55), 0 0 20px rgba(0, 0, 0, 0.3);
    transition: color 0.28s cubic-bezier(0.25, 0.8, 0.25, 1), text-shadow 0.28s ease;
}

.header-nav-menu a:hover {
    color: #ffffff;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.7), 0 0 24px rgba(0, 0, 0, 0.4);
}

.header-nav-menu a.active {
    color: var(--accent-gold);
    font-weight: 700;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.6);
}

/* Khi header đã scroll xuống (nền tối), bỏ text-shadow vì không cần nữa */
.site-header.scrolled .header-nav-menu a {
    text-shadow: none;
}


/* Trên các trang không phải trang chủ (nền tối cố định), không cần text-shadow */
body:not(.home-page) .site-header .header-nav-menu a {
    text-shadow: none;
}



/* Sliding Spotlight Indicator (21st.dev Style) */
.nav-indicator-pill {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 99px;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.92);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Header Search Capsule */
.header-search-wrap {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2px 4px;
    border-radius: 99px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.header-search-wrap:focus-within {
    border-color: rgba(98, 184, 77, 0.4);
    box-shadow: 0 0 0 3px rgba(98, 184, 77, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.header-search-input {
    width: 0;
    opacity: 0;
    padding: 4px 0;
    border: none;
    background: transparent;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.header-search-input:focus {
    outline: none;
}

.header-search-wrap.active .header-search-input {
    width: 140px;
    opacity: 1;
    padding: 4px 8px 4px 10px;
}

.header-search-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 99px;
    transition: all 0.25s ease;
}

.header-search-btn:hover {
    color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.08);
}

/* ===== Search Autocomplete Dropdown ===== */
.header-search-wrap.active {
    border-radius: 16px;
}

.search-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    overflow: hidden;
    z-index: 99999;
    display: none;
    flex-direction: column;
    animation: dropdownFadeIn 0.2s ease;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-8px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.search-dropdown.visible {
    display: flex;
}

.search-dropdown-header {
    padding: 10px 14px 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.35);
}

.search-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.18s ease;
    text-decoration: none;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.search-dropdown-item:hover,
.search-dropdown-item.focused {
    background: rgba(255, 255, 255, 0.07);
}

.search-dropdown-item img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.08);
}

.search-dropdown-item-info {
    flex: 1;
    min-width: 0;
}

.search-dropdown-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-dropdown-item-name mark {
    background: none;
    color: var(--accent-gold);
    font-weight: 700;
}

.search-dropdown-item-price {
    font-size: 0.78rem;
    color: rgba(98, 184, 77, 0.9);
    font-weight: 600;
    margin-top: 2px;
}

.search-dropdown-footer {
    padding: 10px 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    cursor: pointer;
    transition: color 0.18s ease;
}

.search-dropdown-footer:hover {
    color: var(--accent-gold);
}

.search-dropdown-empty {
    padding: 20px 14px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

/* Dynamic Auth & Cart Overrides inside fixed Header */
.site-header .top-auth-container {
    position: static !important;
}

.site-header .top-auth-container {
    display: flex !important;
    align-items: center !important;
    gap: 0.4rem !important;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
}

.site-header .top-auth-container .auth-btn {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 5px 11px !important;
    font-size: 0.76rem !important;
    font-weight: 600 !important;
    text-transform: none !important;
    letter-spacing: 0.2px !important;
    text-shadow: none !important;
    box-shadow: none !important;
    border-radius: 99px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    transition: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

.site-header .top-auth-container .auth-btn:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: rgba(255, 255, 255, 0.16) !important;
    color: #ffffff !important;
    transform: translateY(-1px) !important;
}

/* Glowing Red indicator for cart count */
.site-header .top-auth-container #cartCount {
    background: var(--accent-emerald) !important;
    box-shadow: 0 0 10px rgba(224, 62, 42, 0.6) !important;
}

/* Header CTA */
.header-cta {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: #ffffff !important;
    text-shadow: none !important;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-radius: 50px;
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(98, 184, 77, 0.2);
    transition: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.header-cta:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 6px 18px rgba(98, 184, 77, 0.35);
    filter: brightness(1.05);
}

/* Hamburger menu toggle */
.menu-toggle-btn {
    display: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 6px 10px;
    line-height: 1;
    transition: background 0.2s ease;
    /* Đảm bảo nút luôn nhìn thấy được */
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.menu-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Mobile Nav Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: #0f172a;
    z-index: 99999;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    box-shadow: -5px 0 30px rgba(0,0,0,0.25);
    transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mobile-drawer.open {
    right: 0;
}

.mobile-drawer-close {
    align-self: flex-end;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.mobile-drawer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.mobile-drawer-menu a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-drawer-menu a:hover {
    color: var(--accent-gold);
}

.drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.drawer-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

/* Hero Section */
.hero {
    width: 100%;
    aspect-ratio: 16 / 9; /* Luôn giữ đúng tỉ lệ video trên PC */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #000000;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero {
        aspect-ratio: auto;
        height: 72vh;
        min-height: 480px;
    }
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Container cùng tỉ lệ 16:9 → không cắt, không đen */
    z-index: 0;
}

/* Hero Center Content */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content h3 {
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-gold);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.hero-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    color: #ffffff;
}

.hero-content p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 650px;
}

@media (max-width: 768px) {
    .hero-content {
        padding: 1.25rem;
    }
    .hero-content p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }
}

/* Intro Section */
.intro {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.88);
    position: relative;
    z-index: 2;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 50px;
    right: 40px;                    /* Di chuyển sang góc dưới bên phải để tránh phụ đề */
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.scroll-indicator::after {
    content: 'CUỘN XUỐNG';
    color: #FFFFFF;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    animation: pulse-text 2s infinite;
    text-shadow: 0 2px 5px rgba(0,0,0,0.8);
}

.mouse {
    width: 36px;
    height: 56px;
    border: 3px solid #FFFFFF;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.4), inset 0 0 10px rgba(255, 255, 255, 0.3);
}

.wheel {
    width: 6px;
    height: 12px;
    background: #FFFFFF;
    border-radius: 3px;
    margin-top: 10px;
    animation: scroll 1.5s infinite;
    box-shadow: 0 0 8px #FFFFFF;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(20px); opacity: 0; }
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(5px); }
}

/* About Section */
.about {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.88);
    position: relative;
}

/* About Section — Vertical Layout */
.about-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

/* Hình ảnh to phía trên */
.about-image-hero {
    position: relative;
    width: 100%;
    max-height: 520px;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-premium);
    margin-bottom: 3rem;
}

.about-image-hero img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    object-position: center 30%;
    display: block;
}

.about-image-hero .experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 130px;
    height: 130px;
    padding: 1rem;
}

/* Văn bản giới thiệu */
.about-story {
    max-width: 820px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.about-story p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.about-story p strong {
    color: var(--text-main);
}

/* Trích dẫn nổi bật */
.about-quote {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--accent-emerald);
    border-left: 4px solid var(--accent-emerald);
    padding: 0.75rem 1.5rem;
    margin: 1.5rem auto;
    max-width: 680px;
    text-align: left;
    border-radius: 0 8px 8px 0;
    background: rgba(5, 150, 105, 0.05);
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 50%;
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.experience-badge .number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--accent-emerald);
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    color: var(--text-main);
}

/* Scale Section */
.scale {
    background: transparent;          /* Section trong suốt, dùng nền gradient toàn trang */
    position: relative;
    text-align: center;
    padding: 0;                        /* Không padding ngoài — content-overlay tự quản lý */
}

.scale-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 12px;
    transition: var(--trans-smooth);
    box-shadow: 0 10px 20px rgba(0,0,0,0.02);
    will-change: transform, box-shadow;
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: rgba(224, 62, 42, 0.2);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.stat-number {
    font-size: 4rem;
    color: var(--accent-emerald);
    margin-bottom: 1rem;
}

.stat-label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    color: var(--text-main);
    font-weight: 500;
}

/* === Quy Mô: Cert Photo === */
.scale-cert-photo {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.scale-cert-photo > img {
    width: 100%;
    height: auto;
    display: block;
}

/* === Overlay nằm phía trên ảnh (absolute, gradient trắng mờ ở trên cùng) === */
.scale-content-overlay {
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 5;
    padding: 3rem 0;
    /* Gradient mờ dần từ trên xuống, chiếm 45% chiều cao để đọc chữ, lộ rõ chứng nhận ở dưới */
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.96) 0%,
        rgba(255, 255, 255, 0.85) 45%,
        rgba(255, 255, 255, 0) 100%
    );
    text-align: center;
    line-height: 1.6;
}

/* Caption chân ảnh */
.scale-cert-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 1rem 10%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 100%);
    z-index: 5;
    line-height: 1.6;
}

.scale-cert-caption span {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

/* === Triết lý vận hành 4 yếu tố (Câu chuyện) === */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);  /* 4 cột đều nhau — 1 hàng ngang */
    gap: 0.9rem;
    margin-top: 1.5rem;
}

.philosophy-card {
    display: flex;
    flex-direction: column;        /* Xếp dọc: top header → desc */
    align-items: center;           /* Căn giữa theo chiều ngang */
    text-align: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(255,255,255,0.9);
    border-radius: 16px;
    padding: 1.3rem 1rem 1.2rem;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
                box-shadow 0.35s ease;
}

.philosophy-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

/* Hàng trên: icon + rank + name căn giữa */
.philosophy-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.philosophy-icon {
    font-size: 2.2rem;
    line-height: 1;
    margin-bottom: 0.2rem;
}

.philosophy-rank {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-emerald);
    line-height: 1.3;
}

.philosophy-name {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 900;
    color: #0f172a;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Mô tả nằm dưới, căn giữa */
.philosophy-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0;
    text-align: center;
}

/* === Quy Mô: Stat Bar nằm dưới ảnh === */
.scale-stats-bar {
    background: rgba(255, 255, 255, 0.92);
    padding: 2rem 0;
    border-top: 1px solid rgba(0,0,0,0.06);
}

/* Products Section */
.products {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.88);
}

.products-header {
    text-align: center;
    margin-bottom: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--trans-smooth);
    box-shadow: var(--shadow-premium);
    will-change: transform, box-shadow;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.product-img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    position: relative;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.badge-premium {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-gold);
    color: #fff;
    padding: 0.5rem 1.25rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 30px;
}

/* Nút ▶ Video trên ảnh sản phẩm */
.card-video-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(0,0,0,0.65);
    color: #fff;
    padding: 0.35rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 20px;
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    letter-spacing: 0.05em;
}

/* Badge "f Facebook" trên ảnh bài viết */
.fb-badge {
    position: absolute;
    bottom: 14px;
    left: 14px;
    background: #1877F2;
    color: #fff;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 18px;
    letter-spacing: 0.04em;
}

.product-info {
    padding: 3rem;
}

.product-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-emerald);
}

.product-info p {
    color: var(--text-muted);
}

/* ===================== CAROUSEL ===================== */
.product-carousel-wrap {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}

.product-carousel {
    flex: 1;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.carousel-slide {
    min-width: 100%;
    padding: 0 0.5rem;
    box-sizing: border-box;
}

/* Card sản phẩm trong carousel */
.carousel-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    min-height: 420px;
}

.carousel-card-img {
    height: 100%;
    min-height: 350px;
    overflow: hidden;
    position: relative;
}

.carousel-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.carousel-card:hover .carousel-card-img img {
    transform: scale(1.04);
}

.carousel-card-body {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
}

.carousel-card-body h3 {
    font-size: 1.8rem;
    color: var(--accent-emerald);
    margin-bottom: 0.5rem;
}

.carousel-card-body p {
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1rem;
    white-space: pre-line;
}

.carousel-card-body .card-price {
    font-weight: 600;
    color: var(--accent-gold);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.carousel-card-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.carousel-btn:hover {
    background: var(--accent-emerald);
    color: #fff;
    border-color: var(--accent-emerald);
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(98, 184, 77, 0.25);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 2rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.carousel-dot.active {
    background: var(--accent-gold);
    transform: scale(1.3);
}

/* ===================== BLOG ===================== */
.blog {
    padding: 5rem 0;
    background: rgba(255,255,255,0.88);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.blog-card-img {
    height: 220px;
    overflow: hidden;
}

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img img {
    transform: scale(1.05);
}

.blog-card-body {
    padding: 1.8rem;
}

.blog-card-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.blog-tag {
    background: rgba(98, 184, 77, 0.1);
    color: var(--accent-gold);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.blog-card-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
    line-height: 1.4;
}

.blog-card-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-read-more {
    display: inline-block;
    margin-top: 1.2rem;
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

/* ===================== MODAL ===================== */
.article-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.article-modal.open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}

.article-modal-content {
    position: relative;
    background: #fff;
    border-radius: 20px;
    max-width: 750px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 30px 80px rgba(0,0,0,0.25);
    z-index: 1;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
    position: sticky;
    top: 1rem;
    float: right;
    margin: 1rem 1rem 0 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.08);
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--text-main);
    transition: background 0.2s;
    z-index: 2;
}

.modal-close:hover { background: rgba(0,0,0,0.15); }

.modal-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.modal-body {
    padding: 2.5rem;
}

.modal-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: var(--text-main);
}

.modal-text {
    color: var(--text-muted);
    line-height: 1.9;
    font-size: 1.05rem;
}

.modal-text p { margin-bottom: 1.2rem; }

.modal-share {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-share p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}





/* Contact Section */
.contact {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.88);
}

/* Serif elegant header for contact section - Solution 2 */
.contact .section-title {
    font-family: var(--font-serif);
    color: #0b132b; /* Dark Navy */
    text-transform: uppercase;
    font-size: clamp(1.4rem, 4.8vw, 2.8rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 0.8rem;
}

.contact .section-subtitle {
    font-family: var(--font-sans);
    color: #475569; /* Dark Gray */
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    margin-bottom: 0.6rem;
}

.contact-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.contact-info {
    padding: 3rem 4rem;
    background: rgba(15, 23, 42, 0.01); /* Dark Navy tint, cực kỳ mờ */
}

/* ---- Clean Contact List - Solution 1 & 3 ---- */
.contact-info-wrap {
    padding: 0;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.clean-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.8rem; /* Giải phóng không gian */
}

.clean-contact-list li {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    border-bottom: 1px solid rgba(0,0,0,0.04); /* Đường kẻ nét liền siêu nhạt */
    padding-bottom: 1.5rem;
}

.clean-contact-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.clean-contact-list .icon {
    font-size: 1.3rem;
    margin-top: 0;
    flex-shrink: 0;
}

.clean-contact-list .text-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left; /* Gióng thẳng lề trái tuyệt đối */
}

.clean-contact-list .label {
    font-weight: 700;
    color: #475569; /* Tiêu đề phụ: màu xám đậm */
    font-size: 12px; /* Tiêu đề phụ: in hoa, size nhỏ (12px), in đậm */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
    text-align: left; /* Căn lề trái tuyệt đối */
}

.clean-contact-list .value {
    color: #1e293b; /* Nội dung: chữ thường, size to hơn (16px), màu xanh đen thẫm */
    font-size: 16px;
    line-height: 1.5;
    font-weight: 500;
    text-decoration: none;
    text-wrap: balance;
}

.clean-contact-list .badge {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 4px;
}

/* Link liên kết trong phần thông tin */
.contact-link {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.2s ease;
    border-bottom: none; /* Bỏ hẳn đường kẻ chấm đứt */
    text-wrap: balance;
}

.contact-link:hover {
    color: #1b4332; /* Xanh lá đậm trầm tĩnh */
    text-decoration: underline; /* Dùng gạch chân mặc định khi di chuột */
}

/* ---- Form Liên Hệ - Solution 4 ---- */
.contact-form {
    padding: 4rem;
    background: #fff;
}

.contact-form h3 {
    font-family: var(--font-serif); /* Font serif sang trọng */
    color: #0b132b;
    font-size: 1.4rem;
    margin-bottom: 1.8rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background: #F9FAF8;
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border-radius: 12px; /* Premium 12px rounded borders */
    transition: var(--trans-smooth);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(98, 184, 77, 0.15);
}

.w-100 {
    width: 100%;
}

/* Footer */
/* ===== Partners Section ===== */
.partners-section {
    padding: 3rem 0;
    background: rgba(255,255,255,0.88);
    overflow: hidden;
}

.partners-marquee-wrap {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.partners-marquee {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-100%); }
}

.partners-track {
    display: flex;
    align-items: center;
    gap: 0;
    animation: marquee-scroll 22s linear infinite;
    width: max-content;
    flex-shrink: 0;
}

.partner-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 90px;
    border-right: 1px solid rgba(0,0,0,0.07);
    flex-shrink: 0;
    filter: grayscale(0.3);
    transition: filter 0.3s ease;
}

.partner-logo-item img {
    width: 150px;
    height: 60px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.partner-logo-item:hover img {
    transform: scale(1.05);
}

.partner-logo-item:hover {
    filter: grayscale(0);
}

.partner-text-logo {
    font-weight: 700;
    font-size: 1.1rem;
    color: #1e293b;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0.8;
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.partner-logo-item:hover .partner-text-logo {
    opacity: 1;
    transform: scale(1.05);
}

/* ===== Footer ===== */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 4rem 0 2rem;
    color: rgba(255,255,255,0.7);
    border-top: 2px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.2fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col-brand {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.footer-col-brand .footer-logo {
    height: 55px;
    width: auto;
    object-fit: contain;
    align-self: flex-start;
}

.footer-brand-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.65);
    margin: 0;
    text-indent: 0 !important;
}

.footer-col-title {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 8px;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-emerald);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.88rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 4px;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact li {
    font-size: 0.88rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: var(--accent-gold);
}

.footer-social-grid {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.social-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-icon-btn:hover {
    background: var(--accent-gold);
    color: #0f172a;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
    border-color: var(--accent-gold);
}

.social-icon-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.footer-divider {
    width: 100%;
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 2rem 0;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 0;
}

.footer-legal-links {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    align-items: center;
    margin: 0.5rem 0;
    flex-wrap: wrap;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.3s ease;
}

.footer-legal-links a:hover {
    color: var(--accent-gold);
}

.footer-legal-links span {
    color: rgba(255, 255, 255, 0.15);
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ===== Floating Contact Plugin ===== */
.float-contact {
    position: fixed;
    left: 20px;
    bottom: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    opacity: 0;
    pointer-events: none;
    transform: translateX(-20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.float-contact.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

.float-contact-inner {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.float-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.65rem 1rem 0.65rem 0.75rem;
    border-radius: 50px;
    text-decoration: none;
    color: #fff;
    box-shadow: 0 4px 18px rgba(0,0,0,0.22);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    max-width: 200px;
    overflow: hidden;
}

.float-btn:hover {
    transform: translateY(-3px) scale(1.05) translateX(4px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.3);
}

.float-btn:active {
    transform: scale(0.96);
    transition: all 0.1s ease;
}

.float-btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.float-btn-icon svg {
    width: 18px;
    height: 18px;
}

.float-btn-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.float-label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.85;
}

.float-number {
    font-size: 0.85rem;
    font-weight: 800;
    white-space: nowrap;
}

.float-phone     { background: linear-gradient(135deg, #22c55e, #16a34a); }
.float-messenger { background: linear-gradient(135deg, #0099ff, #a855f7); }
.float-zalo      { background: linear-gradient(135deg, #0068FF, #0050CC); }


/* Animations (Simplified to prevent visibility bugs) */
.fade-up, .slide-in-left, .slide-in-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible, .slide-in-left.visible, .slide-in-right.visible {
    opacity: 1;
    transform: none;
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ==========================================
   RESPONSIVE - Tablet (max-width: 1200px)
   ========================================== */
@media (max-width: 1200px) {
    .has-sidebar .container {
        padding-left: 180px;
    }
}

/* ==========================================
   RESPONSIVE - Tablet/Mobile (max-width: 992px)
   ========================================== */
@media (max-width: 992px) {
    /* Reset layout - no sidebar offset */
    .has-sidebar .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    /* Header responsive changes */
    .header-nav {
        display: none;
    }
    
    .header-cta {
        display: none;
    }
    
    .menu-toggle-btn {
        display: block;
    }

    /* Section titles */
    .section-title {
        line-height: 1.25;
        letter-spacing: normal;
    }

    /* About grid */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .experience-badge {
        right: 20px;
        bottom: -20px;
        width: 120px !important;
        height: 120px !important;
    }

    /* Scale stats & mobile flex stack for certificates */
    .scale-cert-photo {
        display: flex;
        flex-direction: column;
    }
    .scale-cert-photo > img {
        order: 2;
    }
    .scale-content-overlay {
        position: relative;
        order: 1;
        padding: 2.5rem 1.5rem;
        background: #ffffff;
    }
    .scale-cert-caption {
        position: relative;
        order: 3;
        background: rgba(0, 0, 0, 0.85);
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 0.4rem;
        font-size: 0.75rem;
    }
    .scale-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .scale-stats-bar {
        padding: 2rem 0;
    }
    .philosophy-grid {
        grid-template-columns: 1fr 1fr;  /* 2 cột trên phone cỡ trung */
    }

    /* Contact */
    .contact-box {
        grid-template-columns: 1fr;
    }
    .contact-info {
        padding: 2.5rem 2rem;
    }
    .contact-form {
        padding: 2.5rem 2rem;
    }
    .contact-list strong {
        min-width: auto;
        display: block;
        margin-bottom: 0.25rem;
    }

    /* Add bottom padding for bottom nav bar */
    .footer {
        padding-bottom: 5rem;
    }

    /* Responsive Carousel Product Cards */
    .carousel-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .carousel-card-img {
        min-height: 250px;
        height: 250px;
    }
    .carousel-card-body {
        padding: 2rem 1.5rem;
    }
    .carousel-card-body h3 {
        font-size: 1.4rem;
    }
    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* ==========================================
   RESPONSIVE - Phone (max-width: 768px)
   ========================================== */
@media (max-width: 768px) {
    /* Logo even smaller */
    .top-logo img {
        height: 55px;
    }

    /* Section titles */
    .section-title {
        line-height: 1.25;
        letter-spacing: 0.03em;
    }
    .section-subtitle {
        font-size: 0.75rem;
        letter-spacing: 0.12em;
        line-height: 1.4;
    }

    /* Intro section */
    .intro {
        padding: 4rem 0;
    }
    .intro .section-title {
        font-size: clamp(1.4rem, 6vw, 2.5rem) !important;
    }
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }

    /* About section */
    .about {
        padding: 5rem 0;
    }
    .philosophy-grid {
        grid-template-columns: 1fr 1fr;   /* 2 cột trên tablet */
    }

    /* Scale section */
    .scale {
        padding: 0;
    }
    .stat-card {
        padding: 2rem 1.5rem;
    }
    .stat-number {
        font-size: 3rem;
    }

    /* Products */
    .products {
        padding: 5rem 0;
    }
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .product-img {
        height: 250px;
    }
    .product-info {
        padding: 2rem;
    }
    .product-info h3 {
        font-size: 1.5rem;
    }

    /* Contact */
    .contact {
        padding: 4rem 0;
    }
    .contact-info, .contact-form {
        padding: 2rem 1.5rem;
    }
    .contact-list li {
        font-size: 0.95rem;
    }

    /* Scroll indicator */
    .scroll-indicator {
        bottom: 30px;
        right: 20px;
    }
    .mouse {
        width: 28px;
        height: 44px;
    }
    .scroll-indicator::after {
        font-size: 0.65rem;
    }

}

/* ==========================================
   RESPONSIVE - Small Phone (max-width: 480px)
   ========================================== */
@media (max-width: 480px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .top-logo img {
        height: 45px;
    }

    .section-title {
        line-height: 1.3;
        letter-spacing: 0.02em;
    }

    .intro .section-title {
        font-size: clamp(1.4rem, 6.5vw, 2rem) !important;
    }

    .about-grid {
        gap: 2rem;
    }

    .product-info {
        padding: 1.5rem;
    }

    .contact-info, .contact-form {
        padding: 1.5rem 1rem;
    }

}

/* ===== Back-to-Top Button ===== */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 24px;
    z-index: 9998;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-emerald) 0%, #1b4332 100%);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px rgba(0,0,0,0.3);
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: opacity 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.3s;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#backToTop:hover {
    box-shadow: 0 8px 28px rgba(224, 62, 42, 0.35);
    transform: translateY(-4px) scale(1.1);
}

#backToTop:active {
    transform: translateY(-1px) scale(0.93);
    transition: all 0.1s ease;
}

#backToTop svg {
    width: 20px;
    height: 20px;
    stroke: #fff;
}

/* Responsive Back-to-Top & Contact Buttons */
@media (max-width: 992px) {
    #backToTop {
        bottom: 140px;
        right: 16px;
    }
    .float-contact {
        bottom: 80px;
        left: 16px;
    }
}

/* Custom Shipping Notice Badge */
.shipping-notice-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(98, 184, 77, 0.06);
    border: 1px dashed rgba(98, 184, 77, 0.25);
    padding: 0.5rem 1.1rem;
    border-radius: 50px;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    font-family: var(--font-sans);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
}

.shipping-notice-badge:hover {
    background: rgba(98, 184, 77, 0.1);
    border-color: rgba(98, 184, 77, 0.4);
    transform: translateY(-1px);
}

.shipping-notice-badge .badge-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #1b4332;
    color: #fff;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: bold;
    flex-shrink: 0;
}

.shipping-notice-link {
    color: var(--accent-emerald);
    font-weight: 700;
    text-decoration: underline;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.shipping-notice-link:hover {
    color: var(--accent-gold-hover);
    opacity: 0.9;
}

/* ===== Shipping Calculator Section ===== */
.shipping-section {
    padding: 3rem 0; /* Giảm bớt khoảng cách theo feedback của user */
    position: relative;
    z-index: 10;
}

.shipping-calc {
    max-width: 650px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    position: relative;
}

.shipping-calc-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding-bottom: 1.25rem;
}

.shipping-logo {
    width: 50px;
    height: 50px;
    background: rgba(98, 184, 77, 0.1); /* Màu logo leaf green */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
}

.shipping-logo svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
}

.shipping-calc-header h3 {
    font-family: var(--font-sans);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.2rem;
}

.shipping-calc-header p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

.shipping-setup-notice {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #b45309;
    text-align: left;
}

.shipping-setup-notice a {
    color: #d97706;
    text-decoration: underline;
    font-weight: 600;
}

.shipping-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.shipping-from, .shipping-to, .shipping-weight-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.shipping-from label, .shipping-to label, .shipping-weight-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.shipping-address-box {
    padding: 1rem;
    background: #f1f5f9;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 0.95rem;
    color: var(--text-muted);
}

.shipping-arrow {
    text-align: center;
    font-size: 1.5rem;
    color: var(--accent-gold);
    font-weight: bold;
    margin: -0.25rem 0;
}

.shipping-to {
    position: relative;
}

.shipping-to input {
    width: 100%;
    padding: 1rem;
    background: #F9FAF8;
    border: 1px solid rgba(0,0,0,0.1);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: 8px;
    transition: var(--trans-smooth);
}

.shipping-to input:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(98, 184, 77, 0.15);
}

.shipping-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    z-index: 100;
    max-height: 250px;
    overflow-y: auto;
    margin-top: 4px;
    display: none;
}

.suggestion-loading, .suggestion-item {
    padding: 0.88rem 1.25rem;
    font-size: 0.92rem;
}

.suggestion-loading {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
}

.suggestion-item {
    cursor: pointer;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: background 0.2s ease;
    color: var(--text-main);
    text-align: left;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: #f1f5f9;
}

.shipping-weight-group select {
    width: 100%;
    padding: 1rem;
    background: #F9FAF8;
    border: 1px solid rgba(0,0,0,0.1);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: 8px;
    transition: var(--trans-smooth);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
}

.shipping-weight-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(98, 184, 77, 0.15);
}

.shipping-calc-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--trans-smooth);
    box-shadow: 0 4px 12px rgba(98, 184, 77, 0.2);
}

.shipping-calc-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(98, 184, 77, 0.35);
}

.shipping-calc-btn:disabled {
    background: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
}

.shipping-calc-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.shipping-result {
    margin-top: 1.5rem;
}

.shipping-result-card {
    background: #f8fafc;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    padding: 1.25rem;
    text-align: center;
}

.shipping-result-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.shipping-result-service {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
}

.shipping-result-fee {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-emerald); /* Dùng màu đỏ cam làm nổi bật phí */
}

.shipping-result-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
    font-size: 0.88rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 0.75rem;
}

.shipping-fallback {
    background: #f8fafc;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    padding: 1.25rem;
}

.shipping-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
}

.shipping-table th, .shipping-table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    font-size: 0.88rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.shipping-table th {
    font-weight: 600;
    color: var(--text-main);
}

.shipping-table td {
    color: var(--text-muted);
}

.shipping-table tbody tr:last-child td {
    border-bottom: none;
}

.shipping-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    padding: 1rem;
    color: #b91c1c;
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.5;
}

.shipping-error a {
    color: #ef4444;
    font-weight: 600;
}

.shipping-note {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.5;
}

.shipping-note a {
    color: var(--accent-emerald);
    font-weight: 600;
}

/* Spinner */
.shipping-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #fff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    animation: shipping-rotation 1s linear infinite;
}

@keyframes shipping-rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .shipping-calc {
        padding: 1.5rem;
    }
    .shipping-result-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* ===== Auth & Profile Modal Styles ===== */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid rgba(0,0,0,0.06);
    margin-bottom: 2rem;
    margin-top: 1rem;
}

.auth-tab-btn {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--trans-smooth);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.auth-tab-btn:hover {
    color: var(--accent-gold);
}

.auth-tab-btn.active {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}

.auth-form-view {
    display: none;
}

.auth-form-view.active {
    display: block;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.auth-form label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    display: block;
}

.auth-form input[type="text"],
.auth-form input[type="password"],
.auth-form input[type="email"],
.auth-form input[type="tel"] {
    width: 100%;
    padding: 1rem;
    background: #F9FAF8;
    border: 1px solid rgba(0,0,0,0.1);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: 8px;
    transition: var(--trans-smooth);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(98, 184, 77, 0.15);
}

.auth-options a {
    text-decoration: none;
    transition: color 0.2s;
}

.auth-options a:hover {
    color: var(--accent-gold-hover) !important;
}

/* Profile styles */
.profile-avatar {
    box-shadow: 0 4px 12px rgba(98, 184, 77, 0.15);
    border: 2px solid rgba(98, 184, 77, 0.2) !important;
}

.profile-info-item {
    transition: background 0.2s;
}

.profile-info-item:hover {
    background: rgba(0, 0, 0, 0.01);
}

/* Orders List */
.order-history-card {
    background: #f8fafc;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.order-history-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 0.5rem;
    margin-bottom: 0.25rem;
}

.order-history-card-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
}

.order-history-card-status {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 50px;
    background: rgba(98, 184, 77, 0.1);
    color: var(--accent-gold);
}

.order-history-card-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Top Auth Container */
.top-auth-container {
    position: fixed;
    top: 30px;
    right: 40px;
    z-index: 1000;
}

.top-auth-container .auth-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    color: var(--text-main);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    text-shadow: 0 1px 1px rgba(255,255,255,0.8);
}

.top-auth-container .auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    background: #fff;
    border-color: var(--accent-gold);
    color: var(--accent-gold-hover);
}

@media (max-width: 992px) {
    .top-auth-container {
        top: 15px;
        right: 15px;
    }
    .top-auth-container .auth-btn {
        padding: 0.5rem 0.88rem;
        font-size: 0.75rem;
    }
}

/* Custom styling override for Cart badge in Top Auth Header */
.top-auth-container #cartCount {
    position: absolute !important;
    top: -6px !important;
    right: -6px !important;
    background: var(--accent-emerald) !important;
    color: #fff !important;
    font-size: 0.65rem !important;
    font-weight: 700 !important;
    padding: 2px 6px !important;
    border-radius: 50px !important;
    line-height: 1 !important;
    display: none;
    box-shadow: 0 2px 5px rgba(224, 62, 42, 0.4);
    animation: pulse 2s infinite;
    z-index: 10;
}

/* ============================================================
   BẢO VỆ BẢN QUYỀN HÌNH ẢNH & VIDEO + NÚT ÂM LƯỢNG
   ============================================================ */

/* Lớp phủ chặn tương tác chuột phải / kéo thả trực tiếp lên video hero */
.video-shield {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Nằm trên video (z-index: 0) nhưng dưới các nội dung khác */
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.4) 0%, rgba(15, 23, 42, 0.1) 60%, rgba(15, 23, 42, 0.5) 100%);
    pointer-events: auto; /* Kích hoạt nhận sự kiện chuột để bảo vệ */
}

/* Nút bật/tắt âm thanh tinh tế góc dưới bên phải */
.volume-toggle-btn {
    position: absolute;
    bottom: 30px;
    right: 30px;
    z-index: 10;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    padding: 0;
}

.volume-toggle-btn:hover {
    background: rgba(98, 184, 77, 0.25);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 0 15px rgba(98, 184, 77, 0.4);
}

.volume-toggle-btn:hover svg {
    color: var(--accent-gold);
}

.volume-toggle-btn:active {
    transform: scale(0.93);
    transition: all 0.1s ease;
}

.volume-toggle-btn svg {
    width: 20px;
    height: 20px;
    transition: all 0.3s ease;
}

/* Chống lưu kéo thả đối với mọi ảnh và video */
img, video {
    -webkit-user-drag: none !important;
    -khtml-user-drag: none !important;
    -moz-user-drag: none !important;
    -o-user-drag: none !important;
    user-drag: none !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* Làm mờ hình ảnh và video khi mất tiêu điểm trình duyệt (chống chụp màn hình/quay phim bằng phần mềm ngoài) */
body.window-blurred img,
body.window-blurred video,
body.window-blurred iframe {
    filter: blur(25px) !important;
    pointer-events: none !important;
    transition: filter 0.15s ease-out;
}

/* ============================================================
   HỆ SINH THÁI TABS STYLING
   ============================================================ */
.ecosystem-tabs .tab-btn {
    padding: 0.8rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.ecosystem-tabs .tab-btn:hover {
    border-color: var(--accent-emerald);
    color: var(--accent-emerald);
}

.ecosystem-tabs .tab-btn.active {
    background: var(--accent-emerald);
    border-color: var(--accent-emerald);
    color: #fff;
    box-shadow: 0 4px 15px rgba(98, 184, 77, 0.25);
}

.tab-pane {
    animation: tabFadeIn 0.5s ease;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Floating Shipping Button for Products page */
.shipping-float-btn {
    position: fixed;
    bottom: 30px;
    right: 24px;
    z-index: 9997;
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #1b4332, #2d6a4f);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(27, 67, 50, 0.25);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.shipping-float-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(27, 67, 50, 0.35);
    background: linear-gradient(135deg, #2d6a4f, #1b4332);
    color: #fff;
}

.shipping-float-btn:active {
    transform: translateY(-1px) scale(0.95);
    transition: all 0.1s ease;
}

@media (max-width: 768px) {
    .shipping-float-btn {
        bottom: 80px; /* Đặt phía trên thanh điều hướng dưới để tránh bị che */
        right: 16px;
        padding: 0.65rem 1.1rem;
        font-size: 0.82rem;
    }
}

/* ===== Solutions Section ===== */
.solutions {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 10;
}

.solutions-tabs-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 3.5rem;
}

.solutions-tabs {
    display: flex;
    gap: 1rem;
    background: rgba(27, 67, 50, 0.05);
    padding: 6px;
    border-radius: 50px;
    border: 1px solid rgba(27, 67, 50, 0.08);
}

.sol-tab-btn {
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.sol-tab-btn.active {
    background: #1b4332; /* Xanh lá đậm trầm */
    color: #fff;
    box-shadow: 0 4px 15px rgba(27, 67, 50, 0.2);
}

.solutions-content {
    display: none;
    animation: tabFadeIn 0.5s ease forwards;
}

.solutions-content.active {
    display: block;
}

.solutions-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.3fr;
    gap: 3.5rem;
    align-items: center;
}

.solutions-media {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--glass-border);
}

.sol-img {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.solutions-media:hover .sol-img {
    transform: scale(1.03);
}

.sol-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #1b4332;
    color: #fff;
    padding: 6px 14px;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.solutions-info {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.sol-intro h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: #0f172a;
    margin-bottom: 0.8rem;
    line-height: 1.35;
}

.sol-intro p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.sol-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sol-checklist li {
    border-bottom: 1px solid rgba(0,0,0,0.06);
    padding-bottom: 1.2rem;
}

.sol-checklist li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sol-block {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    width: 100%;
}

.sol-pain-row {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.sol-pain-badge {
    background: rgba(239, 68, 68, 0.08);
    color: #ef4444;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-sans);
    flex-shrink: 0;
}

.sol-solution-row {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
}

.sol-icon-container {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(27, 67, 50, 0.06);
    color: #1b4332;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sol-block:hover .sol-icon-container {
    background: #1b4332;
    color: #ffffff;
    transform: scale(1.06);
}

.sol-icon-svg {
    width: 18px;
    height: 18px;
    display: block;
}

.sol-detail {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.pain-text {
    color: #64748b; /* Muted Slate */
    font-size: 0.9rem;
    text-decoration: line-through;
    text-decoration-color: rgba(239, 68, 68, 0.4);
    line-height: 1.4;
}

.solution-text {
    color: #1e293b;
    font-size: 0.95rem;
    line-height: 1.5;
}

.solution-text strong {
    color: #1b4332; /* Highlight Green */
    font-weight: 700;
}

/* Responsive Solutions */
@media (max-width: 992px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .sol-img {
        width: 100%;
        height: auto;
        min-height: 0;
        max-height: none;
        object-fit: contain;
    }
    .sol-tab-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }
}

/* ============================================================
   PRODUCT REVIEWS & STAR RATING CUSTOM STYLES
   ============================================================ */
.product-reviews-section {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    margin-top: 2rem;
    padding-top: 1.5rem;
}
.star-btn {
    transition: transform 0.15s ease, color 0.15s ease;
}
.star-btn:hover {
    transform: scale(1.2);
}
.star-rating-select {
    user-select: none;
}
.review-item {
    animation: fadeInReview 0.3s ease-in-out;
}
@keyframes fadeInReview {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.review-avatar {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}
#productReviewsList::-webkit-scrollbar {
    width: 6px;
}
#productReviewsList::-webkit-scrollbar-track {
    background: transparent;
}
#productReviewsList::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}
#productReviewsList::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ============================================================
   TOAST NOTIFICATION (UX Cải tiến)
   ============================================================ */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none; /* Không chặn click của các phần tử bên dưới */
}

.toast-notification {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 1rem 1.2rem;
    min-width: 300px;
    max-width: 400px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    pointer-events: auto; /* Cho phép click vào chính Toast */
    animation: toastSlideIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.toast-notification.hide {
    animation: toastFadeOut 0.3s ease forwards;
}

.toast-icon {
    font-size: 1.2rem;
    line-height: 1.2;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s;
}

.toast-close:hover {
    color: var(--text-main);
}

/* Các loại Toast */
.toast-success .toast-title { color: #15803d; }
.toast-success .toast-icon { color: #16a34a; }
.toast-success { border-left: 4px solid #16a34a; }

.toast-error .toast-title { color: #b91c1c; }
.toast-error .toast-icon { color: #dc2626; }
.toast-error { border-left: 4px solid #dc2626; }

.toast-warning .toast-title { color: #b45309; }
.toast-warning .toast-icon { color: #d97706; }
.toast-warning { border-left: 4px solid #d97706; }

.toast-info .toast-title { color: #1d4ed8; }
.toast-info .toast-icon { color: #2563eb; }
.toast-info { border-left: 4px solid #2563eb; }

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastFadeOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

/* Tiến trình tự đóng (Thanh chạy bên dưới) */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    width: 100%;
    transform-origin: left;
    animation: toastProgress 3.5s linear forwards;
}
.toast-success .toast-progress { background: #16a34a; }
.toast-error .toast-progress { background: #dc2626; }

@keyframes toastProgress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

@media (max-width: 480px) {
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    .toast-notification {
        min-width: 0;
        width: 100%;
    }
}

/* ============================================================
 *  SCROLL-ANIMATE COMPONENT CLASSES (UI/UX Pro Max)
 * ============================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.zoom-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Active states (applied when elements scroll into viewport) */
.fade-up.in-view,
.fade-in.in-view,
.slide-in-left.in-view,
.slide-in-right.in-view,
.zoom-in.in-view {
    opacity: 1;
    transform: none;
}

/* Delay modifiers */
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
.delay-4 { transition-delay: 0.48s; }


.philosophy-card {
    transition: var(--trans-spring) !important;
}
.philosophy-card:hover {
    transform: translateY(-8px) scale(1.03) !important;
    box-shadow: var(--shadow-hover) !important;
    border-color: rgba(98, 184, 77, 0.3) !important;
}

/* Custom premium input designs */
input.premium-input, textarea.premium-input {
    width: 100%;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-main);
    font-family: var(--font-sans);
    transition: var(--trans-smooth);
}
input.premium-input:focus, textarea.premium-input:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 4px rgba(98, 184, 77, 0.15);
}

/* Pricing Table Style (Section 6) */
.pricing-table-container {
    width: 100%;
    overflow-x: auto;
    margin: 2.5rem 0;
    border-radius: 16px;
    box-shadow: var(--shadow-premium);
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.05);
}
.pricing-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}
.pricing-table th {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-hover) 100%);
    color: #ffffff;
    font-weight: 700;
    padding: 1.25rem 1.5rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}
.pricing-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    color: var(--text-main);
}
.pricing-table tbody tr:last-child td {
    border-bottom: none;
}
.pricing-table tbody tr {
    transition: background 0.2s ease;
}
.pricing-table tbody tr:hover {
    background: #f8faf6;
}
.pricing-table .price-val {
    font-weight: 800;
    color: var(--accent-emerald);
}

/* ===== 4. GIẤY CHỨNG NHẬN SLIDER (Section 4) ===== */
.cert-slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin: 2.5rem auto 1.5rem;
    border-radius: 24px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-premium);
}

.cert-slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    width: 100%;
}

.cert-slide {
    flex: 0 0 100%;
    width: 100%;
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3rem;
    align-items: center;
    padding: 3.5rem;
    box-sizing: border-box;
}

.cert-slide-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}

.cert-slide-content .cert-icon {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
    display: inline-block;
}

.cert-slide-content h4 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-main);
    font-family: var(--font-sans);
}

.cert-slide-content p {
    font-size: 0.98rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.cert-meta-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.75rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cert-meta-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-main);
    font-weight: 550;
}

.cert-meta-list li::before {
    content: "✓";
    color: var(--accent-gold);
    font-weight: bold;
}

.cert-slide-media {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
}

/* Glassmorphic simulated document card */
.cert-doc-mock {
    width: 220px;
    height: 290px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(240,248,240,0.8) 100%);
    border: 2px solid rgba(98, 184, 77, 0.25);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    position: relative;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cert-doc-mock:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: 0 25px 45px rgba(98, 184, 77, 0.15);
    border-color: var(--accent-gold);
}

.cert-doc-header {
    border-bottom: 1px solid rgba(98, 184, 77, 0.15);
    padding-bottom: 10px;
    text-align: center;
}

.cert-doc-logo {
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.5px;
    color: var(--accent-gold-hover);
    text-transform: uppercase;
}

.cert-doc-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 15px 0;
}

.cert-doc-seal {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px dashed var(--accent-emerald);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    animation: rotate-badge 25s linear infinite;
}

@keyframes rotate-badge {
    100% { transform: rotate(360deg); }
}

.cert-doc-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-align: center;
    color: var(--text-main);
    text-transform: uppercase;
}

.cert-doc-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.6rem;
    color: var(--text-muted);
    border-top: 1px dashed rgba(0,0,0,0.06);
    padding-top: 8px;
}

.cert-doc-sign {
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
    font-weight: 700;
    color: var(--accent-emerald);
}

/* Slider Controls underneath */
.cert-slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin: 1.5rem 0 2.5rem;
}

.cert-nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cert-nav-btn:hover {
    background: var(--accent-gold);
    color: #fff;
    border-color: var(--accent-gold);
    transform: translateY(-2px) scale(1.08);
    box-shadow: 0 8px 20px rgba(98, 184, 77, 0.25);
}

.cert-nav-btn:active {
    transform: scale(0.94);
}

.cert-dots {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.cert-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.15);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.cert-dot.active {
    background: var(--accent-gold);
    width: 24px;
    border-radius: 10px;
}

@media (max-width: 992px) {
    .cert-slide {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2rem;
    }
    .cert-slide-content h4 {
        font-size: 1.5rem;
    }
    .cert-doc-mock {
        width: 200px;
        height: 270px;
    }
}

/* FAQ Accordion (Section 7) */
.faq-wrap {
    max-width: 800px;
    margin: 2.5rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-premium);
}
.faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
    font-family: var(--font-sans);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question::after {
    content: "▼";
    font-size: 0.75rem;
    color: var(--accent-gold);
    transition: transform 0.2s ease;
}
.faq-item.active .faq-question::after {
    transform: rotate(180deg);
}
.faq-answer {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 0.75rem;
    display: none;
}
.faq-item.active .faq-answer {
    display: block;
}

/* Google Map responsive container */
.contact-map {
    width: 100%;
    height: 380px;
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    margin-top: 2rem;
}
.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Local SEO text highlight for GEO bots */
.geo-intro {
    background: #f0f9f0;
    border-left: 4px solid var(--accent-gold);
    padding: 1.25rem 1.5rem;
    border-radius: 0 12px 12px 0;
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #1e293b;
}
.geo-intro p {
    margin: 0;
    font-weight: 500;
}

/* Policies grid styling */
.policies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}
.policy-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: var(--shadow-premium);
    transition: var(--trans-smooth);
}
.policy-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.policy-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-main);
    font-family: var(--font-sans);
}
.policy-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Áp dụng quy tắc trình bày và định dạng văn bản (Lùi đầu dòng & Căn đều hai bên) */
.about-story p, 
.blog-card-body p, 
.sol-intro p, 
.geo-intro p,
.policy-card p, 
.cert-slide-content p,
.solutions-info p,
.pricing-info p,
.contact-info p {
    text-indent: 1.5em;
    text-align: justify;
}






/* =====================================================================
 * CÁ TẦM NGA — KNOWLEDGE SHOWCASE SECTION
 * ===================================================================== */

/* Tab buttons */
.stk-tab {
    padding: 0.65rem 1.4rem;
    border-radius: 40px;
    border: 1px solid rgba(197,168,128,0.25);
    background: transparent;
    color: rgba(255,255,255,0.45);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.25s ease;
    letter-spacing: 0.02em;
}
.stk-tab:hover {
    border-color: rgba(197,168,128,0.5);
    color: rgba(255,255,255,0.85);
    background: rgba(197,168,128,0.08);
}
.stk-tab-active {
    background: #C5A880 !important;
    border-color: #C5A880 !important;
    color: #060c18 !important;
    font-weight: 700 !important;
}

/* Panel animation */
.stk-panel { animation: stkIn 0.35s ease forwards; }
@keyframes stkIn { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:translateY(0); } }

/* 2-column grid */
.stk-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}
/* 3-column grid */
.stk-grid-3 {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1.5rem;
}

/* Dark card base */
.stk-card-dark {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 1.8rem;
}
.stk-card-title {
    font-family: var(--font-serif);
    color: #C5A880;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Nutrient bars */
.stk-nutrient-rows { display:flex; flex-direction:column; gap:0.85rem; }
.stk-nut-row { display:flex; align-items:center; gap:0.75rem; }
.stk-nut-name { font-size:0.79rem; color:rgba(255,255,255,0.55); min-width:150px; }
.stk-nut-bar { flex:1; height:6px; background:rgba(255,255,255,0.08); border-radius:3px; overflow:hidden; }
.stk-nut-fill { height:100%; border-radius:3px; transition:width 0.8s ease; }
.stk-nut-val { font-size:0.79rem; color:rgba(255,255,255,0.8); font-weight:700; min-width:52px; text-align:right; }

/* Benefit cards */
.stk-benefit-card {
    display:flex;
    gap:1rem;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:12px;
    padding:1rem 1.2rem;
    transition:border-color 0.25s ease;
}
.stk-benefit-card:hover { border-color:rgba(197,168,128,0.3); }
.stk-benefit-icon { font-size:1.5rem; flex-shrink:0; line-height:1; margin-top:2px; }
.stk-benefit-card h5 { font-family:var(--font-sans); font-size:0.9rem; font-weight:700; }
.stk-benefit-card p { font-size:0.82rem; color:rgba(255,255,255,0.48); margin:0; line-height:1.65; }

/* Feature cards (Shape tab) */
.stk-feature-card {
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:14px;
    padding:1.4rem;
    transition:all 0.25s ease;
}
.stk-feature-card:hover {
    border-color:rgba(197,168,128,0.3);
    background:rgba(197,168,128,0.05);
    transform:translateY(-3px);
}
.stk-feature-num {
    font-size:2rem;
    font-weight:900;
    color:rgba(197,168,128,0.22);
    line-height:1;
    margin-bottom:0.6rem;
    font-family:var(--font-sans);
}
.stk-feature-card h5 { color:#C5A880; font-size:0.92rem; margin-bottom:0.6rem; font-family:var(--font-sans); font-weight:700; }
.stk-feature-card p { font-size:0.81rem; color:rgba(255,255,255,0.48); line-height:1.65; margin:0; }

/* Quality tab */
.stk-qual-row { display:flex; gap:1rem; align-items:flex-start; }
.stk-qual-check {
    width:28px; height:28px; border-radius:50%;
    background:rgba(98,184,77,0.15);
    border:1.5px solid #62B84D;
    color:#62B84D;
    font-size:0.82rem;
    display:flex; align-items:center; justify-content:center;
    flex-shrink:0; margin-top:2px;
}
.stk-cert-pill {
    display:flex;
    gap:1rem;
    align-items:center;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.09);
    border-radius:12px;
    padding:0.85rem 1.1rem;
    transition:border-color 0.25s;
}
.stk-cert-pill:hover { border-color:rgba(197,168,128,0.25); }

/* Identify tab */
.stk-identify-step {
    display:flex;
    gap:1.4rem;
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:14px;
    padding:1.3rem;
    transition:border-color 0.25s ease;
}
.stk-identify-step:hover { border-color:rgba(197,168,128,0.22); }
.stk-id-num {
    width:42px; height:42px;
    background:rgba(197,168,128,0.12);
    border:1.5px solid rgba(197,168,128,0.38);
    border-radius:50%;
    color:#C5A880;
    font-size:1.1rem; font-weight:800;
    display:flex; align-items:center; justify-content:center;
    flex-shrink:0;
}
.stk-id-body h5 { color:#fff; font-size:0.93rem; font-family:var(--font-sans); font-weight:700; margin-bottom:0.45rem; }
.stk-id-body p { font-size:0.81rem; color:rgba(255,255,255,0.48); line-height:1.65; margin:0 0 0.6rem; }
.stk-id-tip {
    font-size:0.77rem;
    color:rgba(197,168,128,0.65);
    font-style:italic;
    background:rgba(197,168,128,0.07);
    border-radius:6px;
    padding:0.38rem 0.7rem;
}

/* Responsive */
@media (max-width: 900px) {
    .stk-grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
    .stk-grid-2 { grid-template-columns: 1fr; }
    .stk-grid-3 { grid-template-columns: 1fr; }
    .stk-nut-name { min-width: 110px; }
    .stk-identify-step { gap: 0.9rem; }
    #sturgeonWrap { height: 280px !important; }
}

/* ===== PREMIUM FISH SHOWCASE (real-photo cutout) ===== */
.catam-stage{
    position:relative; width:100%; min-height:560px;
    display:flex; align-items:center; justify-content:center;
    overflow:hidden;
}
.catam-glow{
    position:absolute; left:50%; top:46%; width:820px; height:440px;
    transform:translate(-50%,-50%);
    background:radial-gradient(ellipse at center,
        rgba(197,168,128,0.20) 0%, rgba(197,168,128,0.07) 40%, transparent 72%);
    filter:blur(8px); pointer-events:none; z-index:1;
}
.catam-fish-float{
    position:relative; z-index:2;
    width:min(780px, 88vw);
    animation:catamFloat 7.5s ease-in-out infinite;
    will-change:transform;
}
.catam-fish-wrap{ position:relative; width:100%; }
.catam-fish-img{
    display:block; width:100%; height:auto;
    filter:drop-shadow(0 34px 46px rgba(0,0,0,0.55));
}
.catam-shadow{
    position:absolute; left:50%; bottom:1%; width:60%; height:34px;
    transform:translateX(-50%);
    background:radial-gradient(ellipse at center, rgba(0,0,0,0.55), transparent 70%);
    filter:blur(9px); z-index:-1;
}
@keyframes catamFloat{
    0%,100%{ transform:translateY(0) scale(1) rotate(0deg); }
    50%{ transform:translateY(-15px) scale(1.012) rotate(-0.5deg); }
}

/* caption */
.catam-caption{ position:absolute; top:6px; right:6%; text-align:right; z-index:3; pointer-events:none; }
.catam-latin{ font-family:var(--font-serif); font-style:italic; color:rgba(197,168,128,0.78); font-size:0.92rem; }
.catam-sub{ color:rgba(255,255,255,0.30); font-size:0.7rem; margin-top:3px; letter-spacing:0.06em; }

/* hint */
.catam-hint{
    position:absolute; bottom:14px; left:50%; transform:translateX(-50%);
    display:flex; align-items:center; gap:8px; z-index:3;
    color:rgba(197,168,128,0.55);
}
.catam-hint span{ font-size:0.7rem; letter-spacing:0.05em; text-transform:uppercase; color:rgba(255,255,255,0.45); }

/* hotspots */
.catam-hot{
    position:absolute; width:28px; height:28px; margin:-14px 0 0 -14px;
    background:none; border:none; padding:0; cursor:pointer; z-index:5;
}
.catam-dot::before{
    content:''; position:absolute; left:50%; top:50%;
    width:10px; height:10px; transform:translate(-50%,-50%);
    background:#C5A880; border-radius:50%;
    box-shadow:0 0 0 4px rgba(197,168,128,0.22), 0 0 10px rgba(197,168,128,0.6);
    z-index:2;
}
.catam-dot::after{
    content:''; position:absolute; left:50%; top:50%;
    width:10px; height:10px; transform:translate(-50%,-50%);
    border-radius:50%; background:rgba(197,168,128,0.5);
    animation:catamPulse 2.4s ease-out infinite;
}
@keyframes catamPulse{
    0%{ transform:translate(-50%,-50%) scale(1); opacity:0.7; }
    100%{ transform:translate(-50%,-50%) scale(3.6); opacity:0; }
}
.catam-tip{
    position:absolute; width:212px;
    background:rgba(8,14,24,0.97); border:1px solid rgba(197,168,128,0.34);
    border-radius:12px; padding:0.72rem 0.85rem;
    color:rgba(255,255,255,0.66); font-size:0.74rem; line-height:1.55;
    text-align:left;
    opacity:0; visibility:hidden; transition:opacity 0.28s ease, visibility 0.28s ease;
    box-shadow:0 18px 44px rgba(0,0,0,0.55); z-index:10;
}
.catam-tip b{ display:block; color:#C5A880; font-size:0.8rem; margin-bottom:0.28rem; font-weight:700; letter-spacing:0.01em; }
.catam-hot:hover .catam-tip, .catam-hot:focus .catam-tip, .catam-hot.is-open .catam-tip{ opacity:1; visibility:visible; }
.catam-hot:hover, .catam-hot.is-open{ z-index:9; }

/* tooltip placement per side */
.catam-hot[data-side="up"]   .catam-tip{ bottom:150%; left:50%; transform:translateX(-50%); }
.catam-hot[data-side="down"] .catam-tip{ top:150%;    left:50%; transform:translateX(-50%); }
.catam-hot[data-side="right"].catam-tip, .catam-hot[data-side="right"] .catam-tip{ left:155%; top:50%; transform:translateY(-50%); }
.catam-hot[data-side="left"] .catam-tip{ right:155%; top:50%; transform:translateY(-50%); }

@media (prefers-reduced-motion: reduce){
    .catam-fish-float{ animation:none; }
    .catam-dot::after{ animation:none; }
}
@media (max-width: 680px){
    .catam-stage{ min-height:400px; }
    .catam-tip{ width:170px; font-size:0.7rem; }
    .catam-caption{ top:2px; right:4%; }
    .catam-latin{ font-size:0.8rem; }
}

/* ===== 3D PHOTO-RELIEF VIEWER ===== */
.catam-3d-wrap{
    position:relative; z-index:2;
    width:min(840px, 92vw); height:520px;
    cursor:grab; touch-action:pan-y;
}
.catam-3d-wrap:active{ cursor:grabbing; }
#catamCanvas{ display:block; width:100%; height:100%; }
@media (max-width: 680px){
    .catam-3d-wrap{ height:380px; }
}

/* ============================================================================
   ✦✦✦  EDITORIAL LUXURY LAYER  ✦✦✦
   Lớp nâng cấp giao diện chuẩn "tạp chí ẩm thực cao cấp" (editorial luxury).
   Triết lý: nền giấy ngà ấm · mực ấm · vàng đồng cổ điển · serif Playfair lớn
   · nhiều khoảng trắng · đường kẻ mảnh (hairline) · chuyển động tiết chế.
   Đặt cuối file nên ghi đè tinh tế mà KHÔNG phá vỡ cấu trúc class/ID hay JS.
   ============================================================================ */

/* ---- 0 · Canvas: warm "paper" thay cho nền trắng lạnh ---- */
body{
    background: var(--bg-dark);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
.about, .products, .blog, .contact{ background: var(--bg-dark) !important; }
.partners-section{ background: var(--bg-ivory) !important; }

/* ---- 1 · Typography: serif display thường (không in hoa), thanh thoát ---- */
.section-title{
    text-transform: none;                 /* KEY: bỏ in-hoa → cảm giác tạp chí */
    font-weight: 600;
    font-size: clamp(2rem, 5.2vw, 3.6rem);
    letter-spacing: -0.012em;
    line-height: 1.12;
    color: var(--text-main);
    margin-bottom: 1.25rem;
}
.section-title span, .title-line{ letter-spacing: -0.012em; }
.contact .section-title{
    text-transform: none;
    color: var(--text-main);
    letter-spacing: -0.012em;
}
/* Italic serif tinh tế cho dòng thứ hai của một số tiêu đề (gợi cảm giác biên tập) */
.section-title span:last-child{ color: var(--text-main); }

/* Eyebrow (section-subtitle): chữ nhỏ giãn rộng + đường kẻ vàng mảnh ở giữa */
.section-subtitle{
    color: var(--accent-gold-lux);
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.34em;
    margin-bottom: 1rem;
}
.section-subtitle::after{
    content:"";
    display:block;
    width: 44px;
    height: 1px;
    background: currentColor;
    opacity: 0.55;
    margin: 0.9rem auto 0;
}
.contact .section-subtitle{
    color: var(--accent-gold-lux);
    font-size: 0.72rem;
    letter-spacing: 0.34em;
}

/* Body copy: ấm, thoáng */
p{ line-height: 1.78; }
.about-story p{ color: var(--text-muted); }

/* ---- 2 · Hero: nhẹ nhàng, sang trọng hơn ---- */
.hero-content h3{
    font-family: var(--font-sans);
    color: var(--accent-gold-lux);
    letter-spacing: 0.34em;
    font-size: 0.92rem;
    font-weight: 600;
    text-transform: uppercase;
}
.hero-content h1{
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.16;
}
.hero-content p{
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* ---- 3 · Buttons: tiết chế, bỏ hiệu ứng "shimmer" chạy liên tục ---- */
.btn-primary{
    letter-spacing: 0.1em;
    font-weight: 600;
    box-shadow: 0 2px 12px -4px rgba(92,158,69,0.4);
    transition: all 0.35s cubic-bezier(0.25,0.8,0.25,1);
}
.btn-primary::after{ animation: none; opacity: 0; transition: none; }
.btn-primary:hover{
    transform: translateY(-2px);
    box-shadow: 0 12px 26px -10px rgba(92,158,69,0.5);
}
.btn-primary:hover::after{ opacity: 0; animation: shimmer-sweep-hover 1.6s ease-in-out 1; }
.btn-primary:active{ transform: translateY(0) scale(0.99); }

.btn-secondary, .btn-outline, .btn-outline-small{
    letter-spacing: 0.1em;
    font-weight: 600;
    border-width: 1.5px;
    border-color: var(--accent-gold-lux);
    color: var(--accent-gold-lux);
}
.btn-secondary:hover, .btn-outline:hover, .btn-outline-small:hover{
    background: var(--accent-gold-lux);
    border-color: var(--accent-gold-lux);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -12px rgba(181,147,90,0.55);
}

/* ---- 4 · Cards: phẳng hơn, viền hairline, bóng mềm ---- */
.product-card, .blog-card, .policy-card,
.stat-card, .philosophy-card, .testimonial-card{
    border: 1px solid var(--hairline-soft);
    box-shadow: var(--shadow-premium);
}
.product-card{ border-radius: 10px; }
.blog-card{ border-radius: 10px; }
.policy-card{ border-radius: 12px; }
.product-card:hover, .blog-card:hover, .policy-card:hover,
.stat-card:hover, .philosophy-card:hover{
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--hairline);
}
.carousel-card{ border-radius: 12px; border: 1px solid var(--hairline-soft); box-shadow: var(--shadow-premium); }

/* Stat numbers → vàng đồng sang trọng thay vì đỏ chói */
.stat-number{ color: var(--accent-gold-lux) !important; font-family: var(--font-serif); font-weight: 700; }

/* Philosophy rank label → vàng đồng */
.philosophy-rank{ color: var(--accent-gold-lux); }

/* ---- 5 · Pull-quote (about) ---- */
.about-quote{
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--text-main);
    border-left: 2px solid var(--accent-gold-lux);
    background: transparent;
    padding: 0.5rem 0 0.5rem 1.6rem;
    line-height: 1.5;
}

/* ---- 6 · GEO intro → lead paragraph kiểu tạp chí (bỏ "khối highlight" thô) ---- */
.geo-intro{
    background: transparent;
    border-left: none;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    border-radius: 0;
    padding: 1.4rem 0;
    max-width: 820px;
    margin: 0 auto 2.75rem;
    text-align: center;
}
.geo-intro p{
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.12rem;
    line-height: 1.7;
    color: var(--text-muted);
    font-weight: 400;
    text-indent: 0;
    text-align: center;
}

/* ---- 7 · Experience badge & circular accents → vàng đồng ---- */
.experience-badge .number{ color: var(--accent-gold-lux); }
.about-image-hero{ border-radius: 10px; }

/* ---- 8 · Footer: trầm, hairline vàng mảnh ---- */
.footer{
    background: #17120C;            /* nâu mực đậm ấm thay vì xanh slate */
    border-top: 1px solid rgba(181,147,90,0.25);
}
.footer-col-title{ color: var(--accent-gold-lux) !important; letter-spacing: 0.06em; }

/* ---- 9 · Section headers: thêm khoảng thở ---- */
.about-header, .products-header{ margin-bottom: 3rem; }

/* ---- 10 · Contact form inputs: focus vàng đồng ---- */
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{
    border-color: var(--accent-gold-lux);
    box-shadow: 0 0 0 3px rgba(181,147,90,0.16);
}

/* ---- 11 · Pricing table: hàng kẻ mảnh, giá vàng đồng ---- */
.price-val{ color: var(--accent-gold-lux) !important; }

/* ---- 12 · Carousel & dots accents ---- */
.carousel-dot.active{ background: var(--accent-gold-lux); }
.carousel-btn:hover{ background: var(--accent-gold-lux); border-color: var(--accent-gold-lux); box-shadow: 0 8px 20px -8px rgba(181,147,90,0.4); }

/* ---- 13 · Blog tags & read-more → vàng đồng nhã ---- */
.blog-tag{ background: rgba(181,147,90,0.12); color: var(--accent-gold-lux); }
.blog-read-more{ color: var(--accent-gold-lux); }

/* ---- 14 · Selection highlight ---- */
::selection{ background: rgba(181,147,90,0.25); color: var(--text-main); }
::-webkit-scrollbar-thumb:hover{ background: var(--accent-gold-lux); }

/* ---- 15 · Reduced-motion friendliness ---- */
@media (prefers-reduced-motion: reduce){
    .btn-primary::after{ display:none; }
    *{ scroll-behavior: auto; }
}

/* ---- 16 · Mobile polish for editorial titles ---- */
@media (max-width: 768px){
    .section-title{ font-size: clamp(1.7rem, 8vw, 2.4rem); }
    .geo-intro p{ font-size: 1rem; }
}
/* ============================================================================
   ✦ HERO — NEO NỘI DUNG GÓC DƯỚI-TRÁI (thoát khỏi giữa video, chuẩn bìa tạp chí)
   Giữ nguyên video; đưa tiêu đề xuống đáy-trái thẳng hàng với lưới trang,
   tăng lớp phủ tối ở đáy/trái để chữ luôn đọc rõ trên mọi khung hình video.
   ============================================================================ */
.hero{ align-items: flex-end; }

.video-shield{
    background:
        linear-gradient(to top,   rgba(11,15,25,0.86) 0%, rgba(11,15,25,0.50) 32%, rgba(11,15,25,0.12) 64%, rgba(11,15,25,0.36) 100%),
        linear-gradient(to right, rgba(11,15,25,0.66) 0%, rgba(11,15,25,0.22) 46%, rgba(11,15,25,0) 78%);
}

.hero-content{
    max-width: var(--container-max);
    width: 100%;
    margin: 0 auto;
    align-items: flex-start;
    text-align: left;
    padding: 0 clamp(1.5rem, 5vw, 2rem) clamp(3rem, 9vh, 6.5rem);
}
.hero-content h3{
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 1rem;
}
.hero-content h3::before{
    content: "";
    width: 36px;
    height: 1px;
    background: var(--accent-gold-lux);
    flex-shrink: 0;
}
.hero-content h1{ margin-bottom: 1.4rem; }
.hero-content p{
    max-width: 560px;
    margin-bottom: 2.25rem;
}
/* Bóng chữ mềm để tiêu đề luôn đọc rõ trên mọi khung hình video (kể cả nền sáng) */
.hero-content h1,
.hero-content h3,
.hero-content p{
    text-shadow: 0 2px 28px rgba(11,15,25,0.55), 0 1px 5px rgba(11,15,25,0.45);
}
.hero-actions{ justify-content: flex-start; }

@media (max-width: 768px){
    .hero-content{ padding-bottom: clamp(2.25rem, 7vh, 3.5rem); }
    .hero-content p{ max-width: 100%; }
}

/* ============================================================================
   ✦ BỘ ICON LUCIDE — thay toàn bộ emoji (chuẩn line-icon 21st.dev/Lucide)
   ============================================================================ */
.lux-ico{
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: -0.14em;
    flex-shrink: 0;
    overflow: visible;
}
/* Icon đặc trưng (tính năng) → tông vàng đồng sang trọng */
.philosophy-icon,
.stk-benefit-icon,
.cert-slide-content .cert-icon,
.stk-cert-pill .lux-ico,
.policy-card .lux-ico,
.clean-contact-list .icon,
.footer-contact .lux-ico{
    color: var(--accent-gold-lux);
}
/* Icon nội tuyến trong câu/danh sách → chừa khoảng cách nhẹ */
.footer-contact li .lux-ico,
.stk-tab .lux-ico,
.ecosystem-tabs .tab-btn .lux-ico,
.search-dropdown-empty .lux-ico{ margin-right: 7px; }
/* Header & tab: icon đổi màu theo ngữ cảnh/active */
.header-search-btn .lux-ico{ width: 1.1rem; height: 1.1rem; color: currentColor; }
.menu-toggle-btn .lux-ico{ width: 1.4rem; height: 1.4rem; color: currentColor; }
.stk-tab .lux-ico, .ecosystem-tabs .tab-btn .lux-ico{ color: currentColor; }
/* Dấu tích trong huy hiệu tròn 3 KHÔNG → nét đậm cho rõ */
.stk-qual-check .lux-ico{ width: 0.92em; height: 0.92em; stroke-width: 2.6; }
/* Dấu tích danh sách quyền lợi */
.sol-checklist .lux-ico, .stk-id-tip .lux-ico{ color: var(--accent-gold-lux); }

/* ============================================================================
   ✦ READABILITY / CONTRAST FIXES — đảm bảo màu chữ rõ ràng trên nền sáng
   Vàng đồng đậm (--gold-ink) cho CHỮ/ICON trên nền sáng; giữ vàng sáng cho nền tối.
   ============================================================================ */

/* Tất cả nút dùng đúng font hệ thống (tránh rơi về Arial mặc định) */
button { font-family: var(--font-sans); }

/* Eyebrow / nhãn vàng trên nền sáng → vàng đồng đậm, cỡ chữ rõ hơn */
.section-subtitle { color: var(--gold-ink); font-size: 0.78rem; }
.contact .section-subtitle { color: var(--gold-ink); font-size: 0.78rem; }

/* Số liệu, giá, nhãn vàng trên nền sáng */
.stat-number { color: var(--gold-ink) !important; }
.price-val { color: var(--gold-ink) !important; }
.card-price { color: var(--gold-ink) !important; }
.philosophy-rank { color: var(--gold-ink); font-size: 0.74rem; }
.experience-badge .number { color: var(--gold-ink); }
.blog-tag { color: var(--gold-ink); background: rgba(132,101,48,0.10); }
.blog-read-more { color: var(--gold-ink); }

/* Nút viền/secondary trên nền sáng → vàng đồng đậm dễ đọc */
.btn-secondary, .btn-outline, .btn-outline-small { border-color: var(--gold-ink); color: var(--gold-ink); }
.btn-secondary:hover, .btn-outline:hover, .btn-outline-small:hover { background: var(--gold-ink); border-color: var(--gold-ink); color: #fff; }

/* Icon đặc trưng trên nền SÁNG → vàng đồng đậm (giữ vàng sáng cho khu vực nền tối) */
.philosophy-icon,
.cert-slide-content .cert-icon,
.policy-card .lux-ico,
.clean-contact-list .icon,
.sol-checklist .lux-ico { color: var(--gold-ink); }

/* Huy hiệu sản phẩm: làm tối nền badge ~24% + bóng chữ để chữ trắng nổi rõ trên mọi màu */
.badge-premium { text-shadow: 0 1px 3px rgba(0,0,0,0.6); background-image: linear-gradient(rgba(0,0,0,0.24), rgba(0,0,0,0.24)) !important; }
.card-video-badge { text-shadow: 0 1px 3px rgba(0,0,0,0.55); }

/* Tag bài viết / blog-tag nhơi to & rõ */
.blog-tag { font-weight: 700; }

/* ============================================================================
   ✦✦✦  HẾT EDITORIAL LUXURY LAYER  ✦✦✦
   ============================================================================ */