/* ============================================================
   Antigravity — professional corporate e-commerce
   Palette: deep slate blue, accent blue, light gray, white
   Type: Inter (UI) + system sans fallback
   ============================================================ */

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

:root {
    --ink: #1a2332;
    --ink-soft: #2d3a4d;
    --navy: #1e3a5f;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --paper: #f8fafc;
    --paper-2: #f1f5f9;
    --white: #ffffff;
    --slate: #64748b;
    --line: #e2e8f0;
    --success: #16a34a;
    --error: #dc2626;
    --shadow: 0 4px 12px rgba(26, 35, 50, 0.06);
    --shadow-lg: 0 8px 24px rgba(26, 35, 50, 0.1);
    --radius: 8px;
    --header-h: 68px;
    --max: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font-family: 'Inter', sans-serif; }

.container {
    width: min(var(--max), calc(100% - 40px));
    margin-inline: auto;
}

h1, h2, h3, h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: var(--ink);
}

.section-padding { padding: 64px 0; }
.bg-light { background: var(--paper-2); }

.section-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 40px;
}
.section-header h2 {
    font-size: 1.6rem; margin-bottom: 8px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: "";
    position: absolute;
    left: 50%; bottom: -8px;
    transform: translateX(-50%);
    width: 40px; height: 3px;
    background: linear-gradient(90deg, var(--accent), #3b82f6);
    border-radius: 3px;
}
.section-header p { color: var(--slate); font-size: 0.95rem; }

/* ============================================================
   Buttons — uiverse.io inspired (gradient, shine, glow)
   ============================================================ */
.btn-primary,
.btn-secondary,
.btn-add-to-cart,
.btn-view-product,
.btn-submit,
.btn-checkout,
.btn-place-order,
.btn-category,
.btn-read-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 10px 20px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
}

/* Shine sweep on hover (uiverse signature) */
.btn-primary::after,
.btn-add-to-cart::after,
.btn-submit::after,
.btn-checkout::after,
.btn-place-order::after {
    content: "";
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
    transform: skewX(-20deg);
    transition: left .5s ease;
}
.btn-primary:hover::after,
.btn-add-to-cart:hover::after,
.btn-submit:hover::after,
.btn-checkout:hover::after,
.btn-place-order:hover::after { left: 125%; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #3b82f6 50%, var(--accent-dark) 100%);
    background-size: 200% 200%;
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
    background-position: 100% 100%;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(6px);
}
.btn-secondary:hover {
    background: var(--white);
    color: var(--ink);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.btn-add-to-cart {
    width: 100%;
    background: linear-gradient(135deg, var(--accent) 0%, #3b82f6 100%);
    color: var(--white);
    margin-top: 8px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.btn-add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-view-product {
    width: 100%;
    background: transparent;
    color: var(--ink);
    border-color: var(--line);
    margin-top: 6px;
}
.btn-view-product:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(37, 99, 235, 0.05);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.header-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    min-height: var(--header-h);
}

.logo h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--navy);
    background: linear-gradient(135deg, var(--navy), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo .tagline {
    font-family: 'Inter', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--slate);
}

.main-nav ul {
    display: flex;
    justify-content: center;
    gap: 2px;
    flex-wrap: wrap;
}
.main-nav a {
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 8px 14px;
    color: var(--ink-soft);
    border-radius: 6px;
    position: relative;
    transition: color .2s, background .2s;
}
.main-nav a::after {
    content: "";
    position: absolute;
    left: 14px; right: 14px; bottom: 4px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }
.main-nav a:hover,
.main-nav a.active { color: var(--accent); background: rgba(37, 99, 235, 0.06); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.search-box form {
    display: flex;
    border: 1px solid var(--line);
    background: var(--paper);
    border-radius: 20px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.search-box form:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.search-box input {
    border: 0;
    background: transparent;
    padding: 8px 12px;
    width: 160px;
    outline: none;
    font-size: 0.82rem;
}
.search-box button,
.mobile-search button {
    border: 0;
    background: transparent;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--slate);
}

.cart-icon a,
.mobile-cart a {
    position: relative;
    font-size: 1.05rem;
    color: var(--ink);
    transition: color .2s, transform .2s;
}
.cart-icon a:hover,
.mobile-cart a:hover { color: var(--accent); transform: translateY(-1px); }
.cart-count {
    position: absolute;
    top: -6px;
    right: -8px;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 0.6rem;
    font-weight: 600;
    min-width: 15px;
    height: 15px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.2rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--white);
    color: var(--ink);
    z-index: 200;
    padding: 24px;
    transform: translateX(100%);
    transition: transform .3s ease;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}
.mobile-menu .logo h1 { color: var(--navy); }
.mobile-menu-close { font-size: 1.3rem; cursor: pointer; }
.mobile-nav a {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink-soft);
}
.mobile-actions { margin-top: 24px; display: grid; gap: 12px; }
.mobile-search form { display: flex; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.mobile-search input {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--ink);
    padding: 10px 12px;
    outline: none;
}

/* Hero */
.hero {
    background:
        linear-gradient(120deg, rgba(30, 58, 95, 0.95) 0%, rgba(37, 99, 235, 0.85) 100%),
        radial-gradient(circle at 80% 20%, #3b82f6 0%, #1e3a5f 55%);
    background-size: 200% 200%;
    animation: heroGradient 12s ease infinite;
    color: var(--white);
    min-height: 60vh;
    display: grid;
    align-items: center;
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}
@keyframes heroGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.hero::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 60%);
    border-radius: 50%;
    animation: heroFloat 8s ease-in-out infinite;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59,130,246,0.35) 0%, transparent 60%);
    border-radius: 50%;
    animation: heroFloat 10s ease-in-out infinite reverse;
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}
.hero-content { max-width: 620px; position: relative; z-index: 2; }
.hero h1 {
    color: var(--white);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 14px;
    font-weight: 700;
}
.hero p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
    max-width: 480px;
}
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.product-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    position: relative;
}
.product-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 14px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(37,99,235,0.4), transparent 40%, transparent 60%, rgba(37,99,235,0.25));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .25s ease;
    pointer-events: none;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(26, 35, 50, 0.14);
    border-color: rgba(37, 99, 235, 0.25);
}
.product-card:hover::before { opacity: 1; }
.product-image { position: relative; aspect-ratio: 1; background: var(--paper-2); overflow: hidden; }
.product-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s ease;
}
.product-card:hover .product-image img { transform: scale(1.08); }
.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.35);
}
.product-badge.sale { background: linear-gradient(135deg, var(--error), #ef4444); box-shadow: 0 4px 10px rgba(220, 38, 38, 0.35); }
.product-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: grid;
    gap: 6px;
    opacity: 0;
    transform: translateX(8px);
    transition: opacity .25s ease, transform .25s ease;
}
.product-card:hover .product-actions { opacity: 1; transform: translateX(0); }
.action-btn {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    color: var(--ink);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(26, 35, 50, 0.12);
    transition: transform .2s, background .2s, color .2s;
}
.action-btn:hover { transform: scale(1.12); background: var(--accent); color: var(--white); }
.product-info { padding: 14px; }
.product-info h3 {
    font-size: 0.92rem; margin-bottom: 4px;
    transition: color .2s;
}
.product-card:hover .product-info h3 { color: var(--accent); }
.price { font-family: 'Inter', sans-serif; font-weight: 600; color: var(--navy); font-size: 0.95rem; }
.sale-price { color: var(--error); margin-right: 6px; }
.original-price { text-decoration: line-through; color: var(--slate); font-weight: 400; }
.rating { color: var(--line); font-size: 0.72rem; margin: 6px 0; }
.rating .filled, .rating .fa-star, .rating .fa-star-half-alt { color: #f59e0b; }

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.category-card {
    position: relative;
    min-height: 220px;
    overflow: hidden;
    border-radius: 14px;
    background: var(--navy);
    transition: transform .25s ease, box-shadow .25s ease;
}
.category-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(30, 58, 95, 0.3); }
.category-card img {
    width: 100%; height: 100%; object-fit: cover; opacity: .5; position: absolute; inset: 0;
    transition: transform .5s ease, opacity .3s ease;
}
.category-card:hover img { transform: scale(1.08); opacity: .35; }
.category-overlay {
    position: relative;
    z-index: 1;
    height: 100%;
    min-height: 220px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--white);
    background: linear-gradient(transparent 30%, rgba(30, 58, 95, 0.6));
}
.category-overlay h3 { color: var(--white); margin-bottom: 4px; font-size: 1.05rem; }
.category-overlay p { color: rgba(255, 255, 255, 0.8); margin-bottom: 12px; font-size: 0.85rem; }
.btn-category {
    align-self: flex-start;
    background: var(--white);
    color: var(--navy);
    padding: 8px 14px;
    font-size: 0.78rem;
    transition: transform .2s, box-shadow .2s;
}
.btn-category:hover { transform: translateX(4px); box-shadow: 0 6px 16px rgba(0,0,0,0.2); }

/* CTA */
.cta-section {
    background:
        linear-gradient(120deg, rgba(30, 58, 95, 0.97) 0%, rgba(37, 99, 235, 0.9) 100%),
        radial-gradient(circle at 20% 80%, #3b82f6 0%, #1e3a5f 60%);
    background-size: 200% 200%;
    animation: heroGradient 12s ease infinite;
    color: var(--white);
    padding: 56px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: -50%;
    left: 50%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    border-radius: 50%;
    animation: heroFloat 9s ease-in-out infinite;
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { color: var(--white); font-size: 1.6rem; margin-bottom: 8px; }
.cta-content p { color: rgba(255, 255, 255, 0.75); margin-bottom: 20px; }

/* Page banner */
.page-banner {
    background:
        linear-gradient(120deg, rgba(30, 58, 95, 0.97) 0%, rgba(37, 99, 235, 0.88) 100%),
        radial-gradient(circle at 80% 30%, #3b82f6 0%, #1e3a5f 60%);
    color: var(--white);
    padding: 48px 0 40px;
    position: relative;
    overflow: hidden;
}
.page-banner::after {
    content: "";
    position: absolute;
    bottom: -40%;
    right: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
    border-radius: 50%;
}
.banner-content { position: relative; z-index: 2; }
.banner-content h1 { color: var(--white); font-size: 1.8rem; margin-bottom: 6px; }
.banner-content p { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; }

/* About */
.about-grid, .contact-grid, .blog-layout, .products-layout, .cart-layout, .checkout-layout, .product-detail-layout {
    display: grid;
    gap: 40px;
}
.about-grid { grid-template-columns: 1fr 1.1fr; align-items: center; }
.about-image { background: var(--paper-2); min-height: 320px; border-radius: var(--radius); overflow: hidden; }
.about-image img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.about-text h2 { margin-bottom: 12px; font-size: 1.5rem; }
.about-text p { margin-bottom: 12px; color: var(--slate); font-size: 0.95rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.feature-item { display: flex; gap: 8px; align-items: center; font-family: 'Inter', sans-serif; font-size: 0.88rem; }
.feature-item i { color: var(--accent); }

.mv-grid, .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stats-grid { grid-template-columns: repeat(4, 1fr); }
.mv-card, .stat-item {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    padding: 24px 20px;
    text-align: center;
    transition: transform .25s ease, box-shadow .25s ease;
}
.mv-card:hover, .stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 32px rgba(26, 35, 50, 0.12);
}
.mv-icon {
    font-size: 1.4rem; color: var(--accent); margin-bottom: 10px;
    display: inline-grid; place-items: center;
    width: 48px; height: 48px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    transition: transform .25s ease, background .25s ease;
}
.mv-card:hover .mv-icon { transform: scale(1.1) rotate(-4deg); background: rgba(37, 99, 235, 0.16); }
.mv-card p { color: var(--slate); margin-top: 8px; font-size: 0.9rem; }
.stat-number {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--navy);
}
.stat-label { font-family: 'Inter', sans-serif; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate); }

/* Contact */
.contact-grid { grid-template-columns: 1.2fr .8fr; }
.contact-form-container, .contact-info-container {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(26, 35, 50, 0.05);
}
.contact-form-container h2, .contact-info-container h2 { margin-bottom: 14px; font-size: 1.3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 5px;
    color: var(--slate);
}
.form-group input,
.form-group textarea,
.form-group select,
.promo-code input,
.qty-input {
    width: 100%;
    border: 1px solid var(--line);
    background: var(--paper);
    padding: 10px 12px;
    font-size: 0.9rem;
    color: var(--ink);
    outline: none;
    border-radius: 8px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12), 0 4px 14px rgba(37, 99, 235, 0.1);
}
.form-group input:hover:not(:focus),
.form-group textarea:hover:not(:focus),
.form-group select:hover:not(:focus) { border-color: #cbd5e1; }
.alert { padding: 12px 14px; margin-bottom: 14px; font-family: 'Inter', sans-serif; font-size: 0.85rem; border-radius: 6px; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: var(--error); border: 1px solid #fecaca; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 18px; }
.info-icon {
    width: 38px; height: 38px; flex-shrink: 0;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.info-content h4 { font-size: 0.92rem; margin-bottom: 3px; }
.info-content p { color: var(--slate); font-size: 0.88rem; }
.small-text { font-size: 0.78rem !important; }
.social-links { display: flex; gap: 8px; margin-top: 10px; }
.social-links a {
    width: 32px; height: 32px;
    display: grid; place-items: center;
    border: 1px solid var(--line);
    color: var(--ink);
    border-radius: 8px;
    font-size: 0.85rem;
    transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.social-links a:hover {
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white); border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.map-section iframe { display: block; filter: grayscale(.3); border-radius: var(--radius); }

/* Gallery */
.gallery-filters { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-btn {
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: transparent;
    border: 1px solid var(--line);
    padding: 7px 14px;
    cursor: pointer;
    border-radius: 20px;
    color: var(--slate);
    transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.filter-btn.active, .filter-btn:hover {
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
}
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery-item { overflow: hidden; border-radius: 12px; position: relative; }
.gallery-item.hide { display: none; }
.gallery-image { position: relative; aspect-ratio: 1; background: var(--navy); }
.gallery-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s ease;
}
.gallery-item:hover .gallery-image img { transform: scale(1.1); }
.gallery-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(transparent 20%, rgba(30, 58, 95, 0.85));
    color: var(--white);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 16px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .25s ease, transform .25s ease;
}
.gallery-item:hover .gallery-overlay { opacity: 1; transform: translateY(0); }
.gallery-info h3 { color: var(--white); font-size: 0.95rem; }
.lightbox {
    display: none;
    position: fixed; inset: 0;
    background: rgba(26, 35, 50, 0.92);
    z-index: 300;
    place-items: center;
}
.lightbox.open { display: grid; }
.lightbox-content { position: relative; max-width: 90vw; }
.lightbox-content img { max-height: 80vh; margin: 0 auto; }
.lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute;
    background: transparent;
    border: 0;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
}
.lightbox-close { top: -36px; right: 0; }
.lightbox-prev { left: -44px; top: 50%; }
.lightbox-next { right: -44px; top: 50%; }
.lightbox-caption { color: var(--white); text-align: center; margin-top: 10px; font-size: 0.9rem; }

/* Blog */
.blog-layout { grid-template-columns: 1.7fr .7fr; align-items: start; }
.blog-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    margin-bottom: 24px;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(26, 35, 50, 0.12); }
.blog-image { aspect-ratio: 16/8; background: var(--paper-2); position: relative; overflow: hidden; }
.blog-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.blog-card:hover .blog-image img { transform: scale(1.06); }
.blog-category {
    position: absolute; top: 12px; left: 12px;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    font-family: 'Inter', sans-serif; font-size: 0.65rem;
    letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}
.blog-content { padding: 20px; }
.blog-meta { display: flex; gap: 14px; flex-wrap: wrap; font-family: 'Inter', sans-serif; font-size: 0.75rem; color: var(--slate); margin-bottom: 8px; }
.blog-content h2, .blog-content h3 { margin-bottom: 8px; font-size: 1.15rem; }
.blog-content p { color: var(--slate); margin-bottom: 12px; font-size: 0.9rem; }
.btn-read-more {
    color: var(--accent); padding: 0; text-transform: none; letter-spacing: 0; font-size: 0.88rem;
    gap: 4px;
}
.btn-read-more i { transition: transform .2s; }
.btn-read-more:hover i { transform: translateX(4px); }
.blog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.blog-grid .blog-card { margin: 0; }
.pagination { display: flex; gap: 6px; margin-top: 24px; }
.page-link {
    width: 36px; height: 36px; display: grid; place-items: center;
    border: 1px solid var(--line); font-family: 'Inter', sans-serif;
    border-radius: 8px; font-size: 0.85rem;
    transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.page-link.active, .page-link:hover {
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white); border-color: transparent;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
}
.sidebar-widget {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 16px;
    transition: box-shadow .25s ease;
}
.sidebar-widget:hover { box-shadow: 0 8px 24px rgba(26, 35, 50, 0.08); }
.sidebar-widget h3 { font-size: 1rem; margin-bottom: 12px; }
.search-form { display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.search-form input { flex: 1; border: 0; padding: 9px 12px; outline: none; background: var(--paper); font-size: 0.85rem; }
.search-form button {
    border: 0;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white); padding: 0 12px; cursor: pointer;
    transition: filter .2s;
}
.search-form button:hover { filter: brightness(1.1); }
.category-list li { border-bottom: 1px solid var(--line); }
.category-list a { display: flex; justify-content: space-between; padding: 9px 0; font-family: 'Inter', sans-serif; font-size: 0.88rem; }
.category-list a.active, .category-list a:hover { color: var(--accent); }
.recent-posts li { display: flex; gap: 10px; margin-bottom: 12px; }
.recent-posts img { width: 56px; height: 56px; object-fit: cover; background: var(--paper-2); border-radius: 6px; }
.recent-post-info a { display: block; font-family: 'Inter', sans-serif; font-size: 0.85rem; font-weight: 500; }
.recent-date { font-size: 0.72rem; color: var(--slate); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
    border: 1px solid var(--line); padding: 4px 10px;
    font-family: 'Inter', sans-serif; font-size: 0.75rem;
    border-radius: 20px; color: var(--slate);
    transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.tag:hover {
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent); border-color: var(--accent);
    transform: translateY(-1px);
}

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.team-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}
.team-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(26, 35, 50, 0.12); }
.team-image { position: relative; aspect-ratio: 4/5; background: var(--paper-2); overflow: hidden; }
.team-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.team-card:hover .team-image img { transform: scale(1.06); }
.team-overlay {
    position: absolute; inset: auto 0 0 0;
    background: linear-gradient(transparent, rgba(30, 58, 95, 0.85));
    padding: 16px;
    opacity: 0;
    transition: opacity .2s;
}
.team-card:hover .team-overlay { opacity: 1; }
.team-overlay .social-links a { color: var(--white); border-color: rgba(255, 255, 255, 0.3); }
.team-info { padding: 14px; }
.team-role { font-family: 'Inter', sans-serif; font-size: 0.72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin: 3px 0 8px; }
.team-bio { color: var(--slate); font-size: 0.85rem; }

/* Products page */
.products-layout { grid-template-columns: 240px 1fr; align-items: start; }
.products-sidebar .sidebar-widget { margin-bottom: 14px; }
.price-range { width: 100%; }
.price-values, .brand-filter, .rating-filter { display: grid; gap: 6px; font-family: 'Inter', sans-serif; font-size: 0.85rem; }
.price-values { grid-template-columns: 1fr 1fr; margin-top: 6px; color: var(--slate); }
.products-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 18px; font-family: 'Inter', sans-serif; font-size: 0.85rem;
}
.products-sort { display: flex; gap: 6px; align-items: center; }
.products-sort select { border: 1px solid var(--line); background: var(--white); padding: 7px 10px; border-radius: 6px; font-size: 0.85rem; }

/* Cart */
.empty-cart {
    text-align: center; padding: 48px 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
}
.empty-cart-icon {
    font-size: 2.4rem; color: var(--accent); margin-bottom: 12px;
    display: inline-grid; place-items: center;
    width: 72px; height: 72px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
}
.empty-cart h2 { margin-bottom: 6px; font-size: 1.3rem; }
.empty-cart p { color: var(--slate); margin-bottom: 20px; }
.cart-layout, .checkout-layout { grid-template-columns: 1.5fr .7fr; align-items: start; }
.cart-items, .cart-summary, .checkout-form, .checkout-summary {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(26, 35, 50, 0.05);
}
.cart-header, .cart-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1fr 40px;
    gap: 10px;
    align-items: center;
}
.cart-header {
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--slate);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}
.cart-item { padding: 14px 0; border-bottom: 1px solid var(--line); }
.cart-item-product { display: flex; gap: 10px; align-items: center; }
.cart-item-product img { width: 64px; height: 64px; object-fit: cover; background: var(--paper-2); border-radius: 6px; }
.cart-item-info h3 { font-size: 0.9rem; }
.cart-item-category { font-size: 0.75rem; color: var(--slate); }
.quantity-form, .quantity-selector { display: flex; align-items: center; }
.qty-btn {
    width: 28px; height: 28px; border: 1px solid var(--line); background: var(--paper); cursor: pointer;
    border-radius: 6px;
    transition: background .2s, color .2s, border-color .2s;
}
.qty-btn:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }
.qty-input { width: 48px; text-align: center; border-left: 0; border-right: 0; padding: 5px; }
.remove-btn { background: none; border: 0; color: var(--error); cursor: pointer; font-size: 0.9rem; transition: transform .2s; }
.remove-btn:hover { transform: scale(1.2); }
.cart-actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.btn-clear-cart {
    background: transparent; border: 1px solid var(--line); padding: 10px 16px; cursor: pointer;
    font-family: 'Inter', sans-serif; text-transform: uppercase; letter-spacing: .04em; font-size: 0.78rem;
    border-radius: 8px;
    transition: border-color .2s, color .2s, background .2s;
}
.btn-clear-cart:hover { border-color: var(--error); color: var(--error); background: rgba(220, 38, 38, 0.04); }
.cart-summary h3, .checkout-summary h3 { margin-bottom: 14px; font-size: 1.1rem; }
.summary-row { display: flex; justify-content: space-between; padding: 7px 0; font-family: 'Inter', sans-serif; font-size: 0.88rem; }
.summary-row.total { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 12px; font-weight: 600; font-size: 1rem; }
.promo-code { display: flex; gap: 6px; margin: 12px 0; }
.btn-apply {
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white); border: 0; padding: 0 14px; cursor: pointer;
    border-radius: 8px; font-size: 0.8rem;
    transition: filter .2s, transform .2s;
}
.btn-apply:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-checkout, .btn-place-order { width: 100%; margin-top: 6px; }
.secure-payment { display: flex; gap: 6px; align-items: center; justify-content: center; margin-top: 12px; font-size: 0.75rem; color: var(--slate); font-family: 'Inter', sans-serif; }
.payment-methods { display: flex; justify-content: center; gap: 8px; margin-top: 8px; font-size: 1.2rem; color: var(--navy); }

/* Checkout */
.checkout-step { margin-bottom: 28px; }
.checkout-step h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; font-size: 1.05rem; }
.step-number {
    width: 24px; height: 24px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    font-family: 'Inter', sans-serif; font-size: 0.72rem;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}
.payment-options { display: grid; gap: 8px; margin-bottom: 14px; }
.payment-option {
    border: 1px solid var(--line); padding: 12px; cursor: pointer; display: block;
    border-radius: 8px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.payment-option:hover { border-color: var(--accent); background: rgba(37, 99, 235, 0.04); }
.payment-option:has(input:checked) {
    border-color: var(--accent);
    background: rgba(37, 99, 235, 0.06);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.payment-option-content { display: flex; gap: 10px; align-items: center; }
.payment-option-content i { font-size: 1.1rem; color: var(--navy); }
.payment-option-content span { display: block; font-size: 0.78rem; color: var(--slate); }
.order-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.order-item-info { display: flex; gap: 10px; align-items: center; }
.order-item-info img { width: 48px; height: 48px; object-fit: cover; background: var(--paper-2); border-radius: 6px; }
.order-item-info h4 { font-size: 0.88rem; }
.confirmation-box {
    max-width: 520px; margin: 0 auto; text-align: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 16px;
    padding: 40px 28px;
    box-shadow: 0 16px 40px rgba(26, 35, 50, 0.1);
}
.confirmation-icon {
    font-size: 2.6rem; color: var(--success); margin-bottom: 10px;
    display: inline-grid; place-items: center;
    width: 72px; height: 72px;
    background: rgba(22, 163, 74, 0.1);
    border-radius: 50%;
    animation: confirmPop .5s ease;
}
@keyframes confirmPop {
    0% { transform: scale(0); }
    70% { transform: scale(1.15); }
    100% { transform: scale(1); }
}
.order-number { margin: 16px 0 24px; font-family: 'Inter', sans-serif; }

/* Product detail */
.breadcrumb { font-family: 'Inter', sans-serif; font-size: 0.8rem; color: var(--slate); margin-bottom: 24px; }
.breadcrumb i { font-size: 0.6rem; margin: 0 6px; }
.product-detail-layout { grid-template-columns: 1fr 1fr; }
.main-image {
    background: var(--paper-2); aspect-ratio: 1; margin-bottom: 10px;
    border-radius: 14px; overflow: hidden;
    box-shadow: 0 8px 24px rgba(26, 35, 50, 0.08);
}
.main-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.main-image:hover img { transform: scale(1.04); }
.thumbnail-images { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.thumb {
    aspect-ratio: 1; object-fit: cover; background: var(--paper-2); cursor: pointer;
    border: 2px solid transparent; border-radius: 8px;
    transition: border-color .2s, transform .2s;
}
.thumb:hover { transform: translateY(-2px); }
.thumb.active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
.product-info-detail h1 { font-size: 1.6rem; margin-bottom: 10px; }
.product-rating { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.current-price { font-family: 'Inter', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--navy); }
.product-description { margin: 14px 0; color: var(--slate); font-size: 0.92rem; }
.product-features ul { margin: 8px 0 14px; }
.product-features li { display: flex; gap: 6px; margin-bottom: 5px; font-size: 0.88rem; }
.product-features i { color: var(--success); }
.product-stock { color: var(--success); font-family: 'Inter', sans-serif; margin-bottom: 14px; font-size: 0.85rem; }
.product-purchase { display: flex; gap: 8px; align-items: center; margin-bottom: 18px; }
.btn-add-cart { flex: 1; }
.btn-wishlist {
    width: 42px; height: 42px; border: 1px solid var(--line); background: var(--white); cursor: pointer;
    border-radius: 8px;
    transition: border-color .2s, color .2s, transform .2s, box-shadow .2s;
}
.btn-wishlist:hover { border-color: var(--error); color: var(--error); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(220, 38, 38, 0.15); }
.product-meta { border-top: 1px solid var(--line); padding-top: 14px; font-family: 'Inter', sans-serif; font-size: 0.85rem; }
.meta-item { display: flex; gap: 6px; margin-bottom: 5px; }
.meta-item span:first-child { color: var(--slate); min-width: 90px; }
.in-stock { color: var(--success); }
.product-share { display: flex; gap: 10px; align-items: center; margin-top: 14px; }
.product-tabs { margin-top: 44px; }
.tabs-header { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.tab-btn {
    background: none; border: 0; border-bottom: 2px solid transparent;
    padding: 10px 18px; cursor: pointer; font-family: 'Inter', sans-serif;
    text-transform: uppercase; letter-spacing: .04em; font-size: 0.78rem;
    color: var(--slate);
    transition: color .2s, border-color .2s;
}
.tab-btn:hover { color: var(--accent); }
.tab-btn.active { border-bottom-color: var(--accent); color: var(--accent); }
.tab-panel { display: none; padding: 24px 0; }
.tab-panel.active { display: block; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 0.88rem; }
.spec-table td:first-child { width: 200px; color: var(--slate); font-family: 'Inter', sans-serif; }
.review { padding: 14px 0; border-bottom: 1px solid var(--line); }
.review-header { display: flex; justify-content: space-between; margin-bottom: 6px; }
.reviewer { display: flex; gap: 10px; align-items: center; }
.reviewer-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white); display: grid; place-items: center;
    font-family: 'Inter', sans-serif; font-weight: 600;
    border-radius: 50%; font-size: 0.85rem;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}
.review-date { font-size: 0.75rem; color: var(--slate); }

/* Footer */
.site-footer {
    background: var(--ink);
    color: rgba(255, 255, 255, 0.75);
    padding: 48px 0 0;
    position: relative;
}
.site-footer::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #3b82f6, var(--accent-dark));
}
.footer-content { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr 1.1fr; gap: 28px; padding-bottom: 32px; }
.footer-column h3 {
    color: var(--white); font-size: 0.95rem; margin-bottom: 14px;
    position: relative;
    padding-bottom: 8px;
}
.footer-column h3::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 28px; height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-column p, .footer-column li { margin-bottom: 6px; font-size: 0.88rem; }
.footer-column a:hover { color: var(--accent); }
.footer-column i { width: 16px; margin-right: 6px; color: var(--accent); }
.site-footer .social-links a { color: var(--white); border-color: rgba(255, 255, 255, 0.2); }
.newsletter-form { display: flex; margin-top: 10px; }
.newsletter-form input {
    flex: 1; border: 0; padding: 10px 12px; outline: none;
    border-radius: 6px 0 0 6px; font-size: 0.85rem;
    transition: box-shadow .2s;
}
.newsletter-form input:focus { box-shadow: inset 0 0 0 2px var(--accent); }
.newsletter-form button {
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white); border: 0; padding: 0 14px; cursor: pointer;
    font-weight: 500; text-transform: uppercase; letter-spacing: .04em; font-size: 0.7rem;
    border-radius: 0 6px 6px 0;
    transition: filter .2s;
}
.newsletter-form button:hover { filter: brightness(1.1); }
.footer-bottom {
    display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 0;
    font-size: 0.8rem;
}

.back-to-top {
    position: fixed; right: 20px; bottom: 20px;
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: var(--white);
    border: 0; cursor: pointer; display: none; z-index: 50;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
    transition: transform .2s, box-shadow .2s;
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(37, 99, 235, 0.5); }
.back-to-top.visible { display: grid; place-items: center; }

/* Cart toast */
.cart-toast {
    position: fixed; bottom: 20px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: linear-gradient(135deg, var(--ink), var(--navy));
    color: var(--white);
    padding: 12px 22px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    opacity: 0; pointer-events: none;
    transition: opacity .25s, transform .25s;
    z-index: 400;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(26, 35, 50, 0.3);
    display: flex; align-items: center; gap: 8px;
}
.cart-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Responsive */
@media (max-width: 1100px) {
    .products-grid, .categories-grid, .gallery-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
    .main-nav { display: none; }
    .mobile-menu-toggle { display: block; }
    .header-content { grid-template-columns: 1fr auto auto; }
    .search-box { display: none; }
}

@media (max-width: 900px) {
    .about-grid, .contact-grid, .blog-layout, .products-layout, .cart-layout, .checkout-layout, .product-detail-layout {
        grid-template-columns: 1fr;
    }
    .footer-content, .mv-grid, .stats-grid, .blog-grid { grid-template-columns: 1fr 1fr; }
    .cart-header { display: none; }
    .cart-item { grid-template-columns: 1fr; gap: 6px; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .container { width: min(var(--max), calc(100% - 24px)); }
    .products-grid, .categories-grid, .gallery-grid, .team-grid, .footer-content, .mv-grid, .stats-grid, .blog-grid {
        grid-template-columns: 1fr;
    }
    .hero { min-height: 50vh; padding: 48px 0; }
    .section-padding { padding: 44px 0; }
    .about-features { grid-template-columns: 1fr; }
    .product-purchase { flex-wrap: wrap; }
    .lightbox-prev, .lightbox-next { left: 8px; right: auto; }
    .lightbox-next { left: auto; right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}