/* ==========================================
   PureNutraHubs - 高端保健品品牌官网
   Premium Health Supplement Brand
   ========================================== */

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

/* === CSS Variables === */
:root {
    /* Brand Colors */
    --cream: #faf8f4;
    --cream-dark: #f3f0e8;
    --ivory: #fffdf7;
    --warm-white: #fefcf9;
    --charcoal: #1a1a2e;
    --charcoal-light: #2d2d44;
    --deep-green: #1b3a2d;
    --navy: #162447;
    --champagne: #c5a55a;
    --champagne-light: #d4b96e;
    --champagne-dark: #a88d3e;
    --bronze: #8b6914;
    --sage: #6b8f71;
    --sage-light: #8aad8e;
    --wine: #722f37;
    --deep-purple: #3d2c5e;

    /* Text */
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5e;
    --text-muted: #7a7a8e;
    --text-light: #9a9aae;
    --text-inverse: #faf8f4;

    /* Background */
    --bg-primary: #faf8f4;
    --bg-secondary: #f5f2ec;
    --bg-card: rgba(255, 253, 247, 0.9);
    --bg-dark: #1a1a2e;
    --bg-darker: #0f0f1e;

    /* Borders & Shadows */
    --border-light: rgba(26, 26, 46, 0.06);
    --border-medium: rgba(26, 26, 46, 0.1);
    --shadow-soft: 0 2px 20px rgba(26, 26, 46, 0.04);
    --shadow-card: 0 4px 30px rgba(26, 26, 46, 0.06);
    --shadow-hover: 0 12px 40px rgba(26, 26, 46, 0.1);
    --shadow-elevated: 0 20px 60px rgba(26, 26, 46, 0.12);
    --shadow-glow-gold: 0 0 40px rgba(197, 165, 90, 0.15);

    /* Glass Effect */
    --glass-bg: rgba(255, 253, 247, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: blur(20px);

    /* Spacing */
    --section-padding: 6rem 0;
    --container-width: 1200px;
    --container-narrow: 900px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 100px;

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition: all 0.4s var(--ease-out);
    --transition-fast: all 0.25s ease;
    --transition-slow: all 0.6s var(--ease-out);
}

/* Product Page Theme Colors */
.theme-nutrient { --theme-color: #3d7a4a; --theme-light: #e8f5e9; --theme-gradient: linear-gradient(135deg, #3d7a4a, #6baf6e); }
.theme-coq10 { --theme-color: #8b2635; --theme-light: #fde8ec; --theme-gradient: linear-gradient(135deg, #8b2635, #c44d5e); }
.theme-eye { --theme-color: #5c3d8f; --theme-light: #f0e8ff; --theme-gradient: linear-gradient(135deg, #5c3d8f, #e8a030); }
.theme-liver { --theme-color: #1b5e3b; --theme-light: #e6f4ec; --theme-gradient: linear-gradient(135deg, #1b5e3b, #3a8f5c); }
.theme-shilajit { --theme-color: #1a1a2e; --theme-light: #f5f0e0; --theme-gradient: linear-gradient(135deg, #1a1a2e, #c5a55a); }
.theme-soberup { --theme-color: #162447; --theme-light: #e8edf5; --theme-gradient: linear-gradient(135deg, #162447, #c5a55a); }

/* === Global Reset === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-secondary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', 'PingFang SC', serif;
    color: var(--text-primary);
    line-height: 1.3;
    font-weight: 600;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--charcoal);
    color: var(--cream);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    font-size: 0.875rem;
}

.skip-link:focus {
    top: 16px;
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(26, 26, 46, 0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(26, 26, 46, 0.25); }

/* === Container === */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 2rem;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 248, 244, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(250, 248, 244, 0.95);
    box-shadow: var(--shadow-soft);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--charcoal);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--champagne);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-text span {
    color: var(--champagne-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-links > li {
    position: relative;
}

.nav-links > li > a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    letter-spacing: 0.01em;
}

.nav-links > li > a:hover,
.nav-links > li > a.active {
    color: var(--text-primary);
    background: rgba(26, 26, 46, 0.04);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex !important;
    align-items: center;
    gap: 4px;
}

.nav-dropdown > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: var(--transition-fast);
    opacity: 0.5;
}

.nav-dropdown:hover > a::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 260px;
    background: rgba(255, 253, 247, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevated);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease-out);
    z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: rgba(26, 26, 46, 0.04);
    color: var(--text-primary);
}

.dropdown-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Language Toggle - Dual Buttons */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    margin-left: 0.5rem;
    border: 1.5px solid var(--champagne-dark);
    border-radius: 20px;
    overflow: hidden;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--champagne-dark);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.lang-btn.active {
    background: var(--champagne-dark);
    color: var(--cream);
    pointer-events: none;
}

.lang-btn:not(.active):hover {
    background: rgba(210, 190, 160, 0.2);
}

.navbar.scrolled .lang-toggle {
    border-color: var(--text-muted);
}

.navbar.scrolled .lang-btn {
    color: var(--text-primary);
}

.navbar.scrolled .lang-btn.active {
    background: var(--charcoal);
    color: var(--cream);
}

.navbar.scrolled .lang-btn:not(.active):hover {
    background: rgba(0, 0, 0, 0.06);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.4);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.85rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.btn-primary {
    background: var(--charcoal);
    color: var(--cream);
}

.btn-primary:hover {
    background: var(--charcoal-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-gold {
    background: linear-gradient(135deg, var(--champagne-dark), var(--champagne));
    color: #fff;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-gold);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-medium);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background: rgba(26, 26, 46, 0.03);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--cream);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
}

.btn-theme {
    background: var(--theme-gradient);
    color: #fff;
}

.btn-theme:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.btn-arrow::after {
    content: '\2192';
    transition: transform 0.3s ease;
}

.btn-arrow:hover::after {
    transform: translateX(4px);
}

/* === Section Styles === */
.section {
    padding: var(--section-padding);
}

.section-alt {
    background: var(--bg-secondary);
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-inverse);
}

.section-dark h2,
.section-dark h3 {
    color: var(--cream);
}

.section-dark p {
    color: rgba(250, 248, 244, 0.75);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--champagne-dark);
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
}

.section-header h2 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* Divider */
.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--champagne), transparent);
    margin: 1.5rem auto 0;
}

/* === Hero Banner (Homepage) === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 15, 30, 0.55) 0%,
        rgba(15, 15, 30, 0.38) 40%,
        rgba(15, 15, 30, 0.2) 100%
    );
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
}

.hero-content {
    max-width: 680px;
    padding: 8rem 0 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--champagne-light);
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--cream);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--champagne-light), var(--champagne));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(250, 248, 244, 0.7);
    line-height: 1.85;
    margin-bottom: 2.5rem;
    max-width: 560px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-indicators {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 8px;
}

.hero-dot {
    width: 32px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
}

.hero-dot.active {
    background: var(--champagne);
    width: 48px;
}

/* === Card Styles === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* Icon Card */
.icon-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
}

.icon-card .icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    transition: var(--transition);
}

.icon-card:hover .icon-wrap {
    background: var(--charcoal);
    color: var(--champagne);
    transform: scale(1.05);
}

.icon-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.icon-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* === Product Card (Homepage & Products page) === */
.product-showcase {
    display: grid;
    gap: 2rem;
}

.product-showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 3rem;
    transition: var(--transition);
    overflow: hidden;
}

.product-showcase-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.product-showcase-item:nth-child(even) {
    direction: rtl;
}

.product-showcase-item:nth-child(even) > * {
    direction: ltr;
}

.product-showcase-img {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--bg-secondary);
}

.product-showcase-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

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

.product-showcase-info .product-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--champagne-dark);
    margin-bottom: 0.75rem;
}

.product-showcase-info h3 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.product-showcase-info .product-tagline {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.product-highlights span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--bg-secondary);
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
}

.product-audience {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-audience strong {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Product Grid (Products page) */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.product-card-img {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-secondary);
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.product-card:hover .product-card-img img {
    transform: scale(1.06);
}

.product-card-body {
    padding: 1.5rem;
}

.product-card-body .tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--champagne-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.product-card-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.product-card-body p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.65;
}

.product-card-body .btn {
    width: 100%;
}

/* === Homepage Modules === */

/* Brand Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Why Choose Us */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.why-card {
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.why-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.why-card .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--charcoal);
    color: var(--champagne);
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    font-family: 'Inter', sans-serif;
}

.why-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.why-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* Need Navigation */
.need-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.need-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.need-card:hover {
    background: var(--charcoal);
    color: var(--cream);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.need-card:hover h4,
.need-card:hover p {
    color: var(--cream);
}

.need-card .need-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    transition: var(--transition);
}

.need-card:hover .need-icon {
    background: rgba(255, 255, 255, 0.1);
}

.need-card h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.need-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

/* Brand Story */
.brand-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.brand-story-points {
    display: grid;
    gap: 1.25rem;
}

.story-point {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.story-point .point-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(197, 165, 90, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--champagne-dark);
}

.story-point h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.story-point p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Trust Badges */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
}

.trust-badge {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.trust-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.trust-badge .badge-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--charcoal);
    border-radius: 50%;
    color: var(--champagne);
    font-size: 1.25rem;
}

.trust-badge h4 {
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.trust-badge p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Blog Preview */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.blog-card-img {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-secondary);
}

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

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

.blog-card-body {
    padding: 1.5rem;
}

.blog-card-body .blog-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--champagne-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.blog-card-body h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.5;
}

.blog-card-body p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.blog-card-body .read-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-card-body .read-more::after {
    content: '\2192';
    transition: transform 0.3s ease;
}

.blog-card:hover .read-more::after {
    transform: translateX(4px);
}

/* === FAQ === */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--champagne-dark);
}

.faq-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: var(--transition);
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    background: var(--charcoal);
    color: var(--champagne);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    font-size: 0.925rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* FAQ Categories (FAQ page) */
.faq-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.faq-cat-btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.faq-cat-btn.active,
.faq-cat-btn:hover {
    background: var(--charcoal);
    color: var(--cream);
    border-color: var(--charcoal);
}

/* === CTA Section === */
.cta-section {
    padding: 5rem 0;
    background: var(--bg-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(197, 165, 90, 0.08), transparent 60%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 2.2rem;
    color: var(--cream);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.05rem;
    color: rgba(250, 248, 244, 0.6);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    line-height: 1.75;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* === Product Detail Page === */
.product-hero {
    position: relative;
    padding: 10rem 0 5rem;
    overflow: hidden;
}

.product-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.product-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
}

.theme-nutrient .product-hero-bg { background: linear-gradient(165deg, #e8f5e9 0%, #faf8f4 50%, #f5f2ec 100%); }
.theme-coq10 .product-hero-bg { background: linear-gradient(165deg, #fde8ec 0%, #faf8f4 50%, #f5f2ec 100%); }
.theme-eye .product-hero-bg { background: linear-gradient(165deg, #f0e8ff 0%, #faf8f4 50%, #fff8e8 100%); }
.theme-liver .product-hero-bg { background: linear-gradient(165deg, #e6f4ec 0%, #faf8f4 50%, #f5f2ec 100%); }
.theme-shilajit .product-hero-bg { background: linear-gradient(165deg, #1a1a2e 0%, #2d2d44 50%, #3a3a52 100%); }
.theme-soberup .product-hero-bg { background: linear-gradient(165deg, #162447 0%, #1f3060 50%, #2a3d70 100%); }

.theme-shilajit .product-hero h1,
.theme-soberup .product-hero h1 {
    color: var(--cream);
}

.theme-shilajit .product-hero p,
.theme-soberup .product-hero p {
    color: rgba(250, 248, 244, 0.7);
}

.theme-shilajit .hero-tags span,
.theme-soberup .hero-tags span {
    background: rgba(255, 255, 255, 0.1);
    color: var(--champagne-light);
    border-color: rgba(255, 255, 255, 0.15);
}

.product-hero .container {
    position: relative;
    z-index: 1;
}

.product-hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-hero-info {
    max-width: 540px;
}

.product-hero-info .product-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--theme-color, var(--champagne-dark));
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
}

.product-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.product-hero .hero-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.hero-tags span {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--theme-light, var(--bg-secondary));
    color: var(--theme-color, var(--text-secondary));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
}

.product-hero-image {
    position: relative;
}

.product-hero-image img {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: block;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
}

.product-float-img {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Product Detail Sections */
.detail-section {
    padding: 5rem 0;
}

.detail-section:nth-child(even) {
    background: var(--bg-secondary);
}

.detail-section.section-dark,
.detail-section.section-dark:nth-child(even) {
    background: var(--bg-dark);
    color: var(--text-inverse);
}

/* Highlights Grid */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.highlight-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.highlight-card .hl-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--theme-light, var(--bg-secondary));
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    color: var(--theme-color, var(--text-primary));
    transition: var(--transition);
}

.highlight-card:hover .hl-icon {
    transform: scale(1.08);
}

.highlight-card h4 {
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.highlight-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Two-Column Content */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.two-col.reverse {
    direction: rtl;
}

.two-col.reverse > * {
    direction: ltr;
}

.two-col-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.two-col-img img {
    width: 100%;
    display: block;
}

.two-col-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.two-col-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.two-col-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* Ingredient Cards */
.ingredient-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.ingredient-card {
    display: flex;
    gap: 1.25rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.ingredient-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.ingredient-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--theme-light, var(--bg-secondary));
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    color: var(--theme-color, var(--text-primary));
}

.ingredient-card h4 {
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.ingredient-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Audience Cards */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.audience-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.audience-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.audience-card .aud-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.audience-card h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.audience-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Scene Cards */
.scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.scene-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.scene-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.scene-card .scene-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--theme-light, var(--bg-secondary));
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--theme-color, var(--text-primary));
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
}

.scene-card h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.scene-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Patent Badge */
.patent-banner {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2.5rem 3rem;
    background: var(--charcoal);
    border-radius: var(--radius-xl);
    color: var(--cream);
}

.patent-banner .patent-icon {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(197, 165, 90, 0.15);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--champagne);
    border: 2px solid rgba(197, 165, 90, 0.3);
}

.patent-banner h3 {
    color: var(--champagne);
    font-size: 1.2rem;
    font-family: 'Inter', sans-serif;
    margin-bottom: 0.25rem;
}

.patent-banner p {
    color: rgba(250, 248, 244, 0.65);
    font-size: 0.9rem;
}

.patent-number {
    font-family: 'Inter', monospace;
    font-weight: 600;
    color: var(--champagne-light);
    letter-spacing: 0.05em;
}

/* Usage Section */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.usage-card {
    display: flex;
    gap: 1rem;
    padding: 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

.usage-card .usage-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--theme-light, var(--bg-secondary));
    border-radius: 10px;
    font-size: 1.1rem;
}

.usage-card h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.usage-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Related Products */
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.related-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.related-card-img {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-secondary);
}

.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-card h4 {
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.related-card p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* === Contact Page === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info-card {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.contact-info-card .ci-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--charcoal);
    color: var(--champagne);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
}

.contact-info-card h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-info-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-info-card a {
    color: var(--champagne-dark);
    font-weight: 500;
}

.contact-info-card a:hover {
    color: var(--text-primary);
}

/* Form */
.contact-form {
    display: grid;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1.5px solid var(--border-medium);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--champagne);
    box-shadow: 0 0 0 3px rgba(197, 165, 90, 0.1);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

/* Map placeholder */
.map-placeholder {
    width: 100%;
    height: 300px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border: 1px solid var(--border-light);
}

/* === About Page === */
.about-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(165deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-light);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.timeline-dot {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--charcoal);
    color: var(--champagne);
    border-radius: 50%;
    font-size: 1.1rem;
    z-index: 1;
}

.timeline-content h3 {
    font-size: 1.15rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* === Guide Page === */
.guide-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(165deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.guide-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.guide-hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

.guide-section {
    padding: 4rem 0;
}

.guide-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.guide-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.guide-card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.guide-card h3 {
    font-size: 1.05rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.guide-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
}

.guide-card .recommend-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--champagne-dark);
}

.guide-card .recommend-link:hover {
    color: var(--text-primary);
}

/* Disclaimer */
.disclaimer {
    padding: 2rem;
    background: rgba(197, 165, 90, 0.06);
    border: 1px solid rgba(197, 165, 90, 0.15);
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

.disclaimer h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--champagne-dark);
    margin-bottom: 0.5rem;
}

.disclaimer p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* === Blog Page === */
.blog-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(165deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.blog-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.blog-hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.blog-filter-btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.blog-filter-btn.active,
.blog-filter-btn:hover {
    background: var(--charcoal);
    color: var(--cream);
    border-color: var(--charcoal);
}

.blog-featured {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-featured-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-secondary);
    aspect-ratio: 16/9;
}

.blog-featured-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(26, 26, 46, 0.85));
    color: var(--cream);
}

.blog-featured-overlay h3 {
    color: var(--cream);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.blog-featured-overlay p {
    font-size: 0.9rem;
    color: rgba(250, 248, 244, 0.7);
}

.blog-sidebar-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* === Products Hero Page === */
.products-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(165deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.products-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.products-hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Category Navigation */
.category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.category-btn {
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.category-btn.active,
.category-btn:hover {
    background: var(--charcoal);
    color: var(--cream);
    border-color: var(--charcoal);
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
    background: var(--charcoal);
    color: var(--cream);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.comparison-table tr:hover td {
    background: rgba(26, 26, 46, 0.02);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

/* Product Selection Guide */
.selection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.selection-card {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.selection-card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.selection-card .sel-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
}

.selection-card h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.selection-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.selection-card a {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--champagne-dark);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 0.5rem;
}

.selection-card a:hover {
    color: var(--text-primary);
}

/* === Footer === */
footer {
    background: var(--bg-darker);
    color: rgba(250, 248, 244, 0.7);
    padding: 4rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--cream);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.75;
    color: rgba(250, 248, 244, 0.55);
    margin-bottom: 1.5rem;
}

.footer-section p,
.footer-section a {
    font-size: 0.875rem;
    line-height: 2;
    color: rgba(250, 248, 244, 0.6);
}

.footer-section a:hover {
    color: var(--champagne);
}

.footer-section p strong {
    color: rgba(250, 248, 244, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(250, 248, 244, 0.4);
    margin-bottom: 0.5rem;
}

.footer-partner {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: rgba(250, 248, 244, 0.45);
}

.footer-partner a {
    color: var(--champagne);
    transition: var(--transition-fast);
}

.footer-partner a:hover {
    color: var(--cream);
}

/* === Animations === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.16s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.24s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.32s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.4s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* === Page Hero (shared for inner pages) === */
.page-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(165deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.page-hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Table overflow wrapper */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

/* === Blog Article Page === */
.blog-article-hero {
    padding: 9rem 0 3rem;
    background: linear-gradient(165deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.blog-article-hero .section-tag { margin-bottom: 1rem; }

.blog-article-hero h1 {
    font-size: 2.6rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    max-width: 800px;
    letter-spacing: -0.02em;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.blog-meta .meta-icon {
    font-size: 1rem;
}

/* Article Body */
.article-body {
    max-width: 820px;
    margin: 0 auto;
    padding: 3rem 0;
}

.article-body h2 {
    font-size: 1.75rem;
    margin: 3rem 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-light);
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-size: 1.3rem;
    margin: 2rem 0 0.75rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
}

.article-body h4 {
    font-size: 1.05rem;
    margin: 1.5rem 0 0.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.article-body p {
    font-size: 1rem;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.article-body > img,
.article-body .article-img {
    width: 100%;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    box-shadow: var(--shadow-card);
}

.article-body ul, .article-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
    line-height: 2;
    color: var(--text-secondary);
}

.article-body li { margin-bottom: 0.5rem; }

.article-body strong { color: var(--text-primary); }

.article-body a {
    color: var(--champagne-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover { color: var(--text-primary); }

/* Lead Paragraph */
.article-lead {
    font-size: 1.15rem !important;
    line-height: 1.9 !important;
    color: var(--text-primary) !important;
    font-weight: 500;
    border-left: 4px solid var(--champagne);
    padding-left: 1.5rem;
    margin-bottom: 2rem !important;
}

/* Info Blocks — Colorful */
.info-block {
    padding: 2rem 2.5rem;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

.info-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
}

.info-block h4 {
    margin-top: 0;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-block p { margin-bottom: 0.5rem; }
.info-block p:last-child { margin-bottom: 0; }

.info-block.info-green {
    background: linear-gradient(135deg, #f0faf0, #e8f5e8);
    border: 1px solid #c8e6c9;
}
.info-block.info-green::before { background: #4caf50; }
.info-block.info-green h4 { color: #2e7d32; }

.info-block.info-blue {
    background: linear-gradient(135deg, #eff6ff, #e3f2fd);
    border: 1px solid #bbdefb;
}
.info-block.info-blue::before { background: #2196f3; }
.info-block.info-blue h4 { color: #1565c0; }

.info-block.info-orange {
    background: linear-gradient(135deg, #fff8f0, #fff3e0);
    border: 1px solid #ffe0b2;
}
.info-block.info-orange::before { background: #ff9800; }
.info-block.info-orange h4 { color: #e65100; }

.info-block.info-purple {
    background: linear-gradient(135deg, #f8f0ff, #f3e5f5);
    border: 1px solid #e1bee7;
}
.info-block.info-purple::before { background: #9c27b0; }
.info-block.info-purple h4 { color: #6a1b9a; }

.info-block.info-red {
    background: linear-gradient(135deg, #fff5f5, #ffebee);
    border: 1px solid #ffcdd2;
}
.info-block.info-red::before { background: #f44336; }
.info-block.info-red h4 { color: #c62828; }

.info-block.info-teal {
    background: linear-gradient(135deg, #f0fdfa, #e0f2f1);
    border: 1px solid #b2dfdb;
}
.info-block.info-teal::before { background: #009688; }
.info-block.info-teal h4 { color: #00695c; }

.info-block.info-gold {
    background: linear-gradient(135deg, #fefbf0, #fdf6e3);
    border: 1px solid #f0e4b8;
}
.info-block.info-gold::before { background: var(--champagne); }
.info-block.info-gold h4 { color: #8d6e2f; }

/* Key Takeaway Box */
.key-takeaway {
    background: var(--charcoal);
    color: var(--cream);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    margin: 2.5rem 0;
}

.key-takeaway h4 {
    color: var(--champagne);
    margin-top: 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key-takeaway p { color: rgba(250,248,244,0.8); margin-bottom: 0.5rem; }
.key-takeaway ul { color: rgba(250,248,244,0.8); margin-left: 1.25rem; }
.key-takeaway li { margin-bottom: 0.4rem; }

/* Data Comparison Cards */
.data-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}

.data-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
}

.data-card .data-number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.data-card .data-unit {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.75rem;
}

.data-card .data-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.data-card.data-green .data-number { color: #2e7d32; }
.data-card.data-blue .data-number { color: #1565c0; }
.data-card.data-orange .data-number { color: #e65100; }
.data-card.data-red .data-number { color: #c62828; }
.data-card.data-purple .data-number { color: #6a1b9a; }
.data-card.data-teal .data-number { color: #00695c; }

/* Sticker / Badge */
.sticker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0.25rem;
}

.sticker-green { background: #e8f5e9; color: #2e7d32; }
.sticker-blue { background: #e3f2fd; color: #1565c0; }
.sticker-orange { background: #fff3e0; color: #e65100; }
.sticker-purple { background: #f3e5f5; color: #6a1b9a; }
.sticker-red { background: #ffebee; color: #c62828; }
.sticker-teal { background: #e0f2f1; color: #00695c; }
.sticker-gold { background: #fdf6e3; color: #8d6e2f; }
.sticker-dark { background: var(--charcoal); color: var(--cream); }

/* Image Gallery Grid */
.article-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

.article-gallery img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: cover;
    aspect-ratio: 4/3;
}

.article-gallery.gallery-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

/* Product Gallery Grid */
.product-gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.product-gallery-grid .gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.product-gallery-grid .gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.product-gallery-grid .gallery-item:hover img {
    transform: scale(1.05);
}

.product-gallery-grid .gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.product-gallery-grid .gallery-item:hover::after {
    opacity: 1;
}

/* Product Gallery Lightbox */
.gallery-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.92);
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.gallery-lightbox.active {
    display: flex;
}

.gallery-lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.gallery-lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.gallery-lightbox-close:hover {
    opacity: 1;
}

.gallery-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    border: none;
    color: #fff;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.gallery-lightbox-nav:hover {
    background: rgba(255,255,255,0.25);
}

.gallery-lightbox-prev { left: 1.5rem; }
.gallery-lightbox-next { right: 1.5rem; }

/* Image with Caption */
.img-caption {
    margin: 2rem 0;
    text-align: center;
}

.img-caption img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.img-caption figcaption,
.img-caption p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    font-style: italic;
}

/* Comparison Table in Article */
.article-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.article-table th {
    background: var(--charcoal);
    color: var(--cream);
    padding: 1rem 1.25rem;
    font-weight: 600;
    text-align: left;
    font-size: 0.85rem;
}

.article-table td {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    line-height: 1.6;
}

.article-table tr:last-child td { border-bottom: none; }
.article-table tr:hover td { background: rgba(197,165,90,0.04); }

/* Progress Bars */
.progress-bar-wrap {
    margin: 1.5rem 0;
}

.progress-item {
    margin-bottom: 1rem;
}

.progress-item .progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.progress-item .progress-track {
    height: 10px;
    background: var(--bg-secondary);
    border-radius: 5px;
    overflow: hidden;
}

.progress-item .progress-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1s ease;
}

.progress-fill.fill-green { background: linear-gradient(90deg, #66bb6a, #43a047); }
.progress-fill.fill-blue { background: linear-gradient(90deg, #42a5f5, #1e88e5); }
.progress-fill.fill-orange { background: linear-gradient(90deg, #ffa726, #fb8c00); }
.progress-fill.fill-purple { background: linear-gradient(90deg, #ab47bc, #8e24aa); }
.progress-fill.fill-red { background: linear-gradient(90deg, #ef5350, #e53935); }
.progress-fill.fill-teal { background: linear-gradient(90deg, #26a69a, #00897b); }
.progress-fill.fill-gold { background: linear-gradient(90deg, var(--champagne), #b08d3e); }

/* Quote / Blockquote */
.article-body blockquote {
    border-left: 4px solid var(--champagne);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    background: rgba(197,165,90,0.06);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.85;
}

.article-body blockquote cite {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-style: normal;
    color: var(--text-muted);
    font-weight: 600;
}

/* Reference Section */
.references {
    margin-top: 3rem;
    padding: 2rem 2.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.references h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.references ol {
    margin: 0;
    padding-left: 1.25rem;
}

.references li {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 0.4rem;
}

.references li em {
    font-style: italic;
    color: var(--text-secondary);
}

/* Icon Feature Grid */
.icon-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.icon-feature {
    text-align: center;
    padding: 2rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.icon-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.icon-feature .if-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.4rem;
}

.if-icon.icon-bg-green { background: #e8f5e9; }
.if-icon.icon-bg-blue { background: #e3f2fd; }
.if-icon.icon-bg-orange { background: #fff3e0; }
.if-icon.icon-bg-purple { background: #f3e5f5; }
.if-icon.icon-bg-red { background: #ffebee; }
.if-icon.icon-bg-teal { background: #e0f2f1; }
.if-icon.icon-bg-gold { background: #fdf6e3; }

.icon-feature h4 {
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

.icon-feature p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Article Divider */
.article-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
    margin: 3rem 0;
    border: none;
}

/* Article Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.article-tags a {
    padding: 0.35rem 1rem;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    color: var(--text-muted);
    text-decoration: none !important;
    transition: var(--transition-fast);
}

.article-tags a:hover {
    background: var(--charcoal);
    color: var(--cream);
    border-color: var(--charcoal);
}

/* Related Articles */
.related-articles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Checklist */
.checklist {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.checklist li {
    padding: 0.6rem 0 0.6rem 2rem;
    position: relative;
    line-height: 1.7;
    color: var(--text-secondary);
}

.checklist li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    top: 0.65rem;
}

/* Numbered Steps */
.numbered-steps {
    counter-reset: step;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.numbered-steps li {
    counter-increment: step;
    padding: 1rem 0 1rem 3.5rem;
    position: relative;
    border-bottom: 1px solid var(--border-light);
    line-height: 1.8;
}

.numbered-steps li:last-child { border-bottom: none; }

.numbered-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 1rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--charcoal);
    color: var(--champagne);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .product-hero-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .product-hero-info {
        max-width: 100%;
    }

    .hero-tags {
        justify-content: center;
    }

    .product-hero-image img {
        max-width: 360px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .brand-story-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .two-col,
    .two-col.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr;
    }

    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-featured {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html { font-size: 15px; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 1.5rem 2rem;
        gap: 0;
        z-index: 999;
        transition: right 0.3s var(--ease-out);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links > li > a {
        padding: 0.85rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--border-light);
    }

    .hamburger {
        display: flex;
    }

    .lang-toggle {
        position: absolute;
        right: 60px;
        top: 50%;
        transform: translateY(-50%);
    }

    .lang-btn {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0 0 0 1rem;
        min-width: auto;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-dropdown.open .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-menu li a {
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-light);
    }

    .hero-content { padding: 6rem 0 3rem; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-subtitle { font-size: 0.95rem; }

    .section { padding: 4rem 0; }
    .section-header { margin-bottom: 2.5rem; }
    .section-header h2 { font-size: 1.8rem; }

    .values-grid,
    .need-grid,
    .highlights-grid,
    .audience-grid,
    .scene-grid,
    .related-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-showcase-item {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 1.5rem;
    }

    .product-showcase-item:nth-child(even) {
        direction: ltr;
    }

    .why-grid,
    .ingredient-grid,
    .usage-grid,
    .guide-cards,
    .selection-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .patent-banner {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        gap: 1rem;
    }

    .page-hero h1,
    .about-hero h1,
    .guide-hero h1,
    .blog-hero h1,
    .products-hero h1,
    .blog-article-hero h1 {
        font-size: 2.2rem;
    }

    .blog-article-hero {
        padding: 8rem 0 2.5rem;
    }

    .data-compare {
        grid-template-columns: 1fr;
    }

    .icon-features {
        grid-template-columns: 1fr;
    }

    .article-gallery {
        grid-template-columns: 1fr;
    }

    .article-gallery.gallery-3 {
        grid-template-columns: 1fr;
    }

    .product-gallery-grid {
        grid-template-columns: 1fr 1fr;
    }

    .related-articles {
        grid-template-columns: 1fr;
    }

    .page-hero,
    .about-hero,
    .guide-hero,
    .blog-hero,
    .products-hero {
        padding: 8rem 0 3rem;
    }

    .product-hero {
        padding: 8rem 0 3rem;
    }

    .product-hero h1 {
        font-size: 2rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
        font-size: 0.8rem;
    }

    .cta-section h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }

    .hero-content h1 { font-size: 1.8rem; }
    .section-header h2 { font-size: 1.5rem; }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .btn { padding: 0.75rem 1.5rem; font-size: 0.85rem; }
    .btn-lg { padding: 0.85rem 2rem; font-size: 0.9rem; }

    .product-hero-image img {
        max-width: 280px;
    }
}