/* ============================================
   DM MERCHANDISE - Complete CSS
   ============================================ */

:root {
    --primary: #FF6B35;
    --primary-light: #FF8A5C;
    --primary-dark: #E55A2B;
    --primary-gradient: linear-gradient(135deg, #FF6B35 0%, #FF8A5C 100%);
    --secondary: #1A1A2E;
    --secondary-light: #16213E;
    --secondary-dark: #0F0F1F;
    --secondary-gradient: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
    --accent: #4CAF50;
    --accent-gradient: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    --success: #00C853;
    --warning: #FFC107;
    --danger: #FF1744;
    --info: #2979FF;
    --white: #FFFFFF;
    --light-bg: #F8F9FC;
    --gray-100: #F0F2F5;
    --gray-200: #E0E4EA;
    --gray-300: #C5CBD3;
    --gray-400: #A8AFB9;
    --gray-500: #8B93A0;
    --gray-600: #6B7380;
    --gray-700: #4B5360;
    --gray-800: #2B3340;
    --gray-900: #1A1A2E;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 60px rgba(0,0,0,0.16);
    --shadow-glow: 0 0 30px rgba(255,107,53,0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--light-bg);
    color: var(--gray-800);
    line-height: 1.7;
    min-height: 100vh;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary-gradient); border-radius: var(--radius-full); }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-family: 'Poppins', 'Inter', sans-serif; font-weight: 700; line-height: 1.2; }

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.section-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-success, .btn-danger, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-primary { background: var(--primary-gradient); color: var(--white); box-shadow: 0 4px 15px rgba(255,107,53,0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(255,107,53,0.5); }
.btn-secondary { background: var(--secondary-gradient); color: var(--white); box-shadow: 0 4px 15px rgba(26,26,46,0.3); }
.btn-secondary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(26,26,46,0.4); }
.btn-success { background: var(--accent-gradient); color: var(--white); box-shadow: 0 4px 15px rgba(76,175,80,0.4); }
.btn-success:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(76,175,80,0.5); }
.btn-danger { background: linear-gradient(135deg, #FF1744 0%, #D50000 100%); color: var(--white); box-shadow: 0 4px 15px rgba(255,23,68,0.4); }
.btn-danger:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(255,23,68,0.5); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); transform: translateY(-3px); }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }

/* Navbar */
.navbar {
    background: rgba(26, 26, 46, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled { background: rgba(26, 26, 46, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.2); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }

.logo a {
    font-family: 'Poppins', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo a i { background: var(--primary-gradient); padding: 10px; border-radius: var(--radius-md); font-size: 1.2rem; }
.logo a span { color: var(--primary); }

.nav-links { display: flex; list-style: none; gap: 8px; align-items: center; flex-wrap: wrap; }
.nav-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.btn-login { border: 1px solid rgba(255,255,255,0.2); }
.btn-login:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.3); }
.btn-register { background: var(--primary-gradient); color: var(--white) !important; }
.btn-register:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); background: var(--primary-gradient) !important; }
.btn-logout { color: #FF6B6B !important; }
.btn-logout:hover { background: rgba(255,23,68,0.15) !important; color: #FF1744 !important; }
.menu-toggle { display: none; color: var(--white); font-size: 1.5rem; cursor: pointer; padding: 8px 12px; border-radius: var(--radius-sm); }

/* Hero */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: var(--secondary-gradient);
    overflow: hidden;
    padding: 80px 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(255,107,53,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(255,107,53,0.08) 0%, transparent 50%);
}

.hero .container { position: relative; z-index: 1; text-align: center; }
.hero h1 { font-size: 4.5rem; font-weight: 800; color: var(--white); margin-bottom: 16px; animation: fadeInUp 1s ease; }
.hero h1 span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero .subtitle { font-size: 1.6rem; color: rgba(255,255,255,0.9); margin-bottom: 12px; animation: fadeInUp 1.2s ease; font-weight: 600; }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 24px; animation: fadeInUp 1.4s ease; }
.hero .hero-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; animation: fadeInUp 1.6s ease; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Categories */
.categories-section { padding: 80px 0; background: var(--white); }
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }

.category-item {
    background: var(--light-bg);
    padding: 32px 20px;
    text-align: center;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--gray-800);
    transition: var(--transition-base);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-base);
    border-radius: var(--radius-lg);
}

.category-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.category-item:hover::before { opacity: 1; }
.category-item * { position: relative; z-index: 1; transition: var(--transition-base); }
.category-item:hover * { color: var(--white); }
.category-item i { font-size: 3rem; display: block; margin-bottom: 12px; color: var(--primary); }
.category-item h3 { font-size: 1.1rem; font-weight: 700; }
.category-item p { font-size: 0.85rem; color: var(--gray-500); }
.category-item:hover p { color: rgba(255,255,255,0.8); }

/* Announcements */
.announcements-section { padding: 80px 0; background: var(--light-bg); }
.announcement-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }

.announcement-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.announcement-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.announcement-card .card-image { position: relative; overflow: hidden; height: 220px; }
.announcement-card .card-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-base); }
.announcement-card:hover .card-image img { transform: scale(1.05); }
.announcement-card .card-badge {
    position: absolute; top: 16px; right: 16px;
    background: var(--primary-gradient); color: var(--white);
    padding: 6px 16px; border-radius: var(--radius-full);
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
}
.announcement-card .card-content { padding: 24px; }
.announcement-card .card-content h3 { font-size: 1.2rem; margin-bottom: 8px; }
.announcement-card .card-content p { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 12px; }
.announcement-card .card-content .card-meta { color: var(--gray-400); font-size: 0.85rem; }

/* Products */
.products-section { padding: 80px 0; background: var(--white); }

.category-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.category-filter .filter-btn {
    padding: 10px 28px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: 'Inter', sans-serif;
}

.category-filter .filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.category-filter .filter-btn.active {
    background: var(--primary-gradient);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255,107,53,0.3);
}

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 30px; }

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 1px solid var(--gray-100);
}

.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: transparent; }
.product-card .product-image-wrap { position: relative; padding: 24px; background: var(--light-bg); overflow: hidden; height: 220px; display: flex; align-items: center; justify-content: center; }
.product-card .product-image-wrap img { max-width: 100%; max-height: 100%; object-fit: contain; transition: var(--transition-base); }
.product-card:hover .product-image-wrap img { transform: scale(1.05); }

.product-card .product-badge {
    position: absolute; top: 12px; left: 12px;
    padding: 4px 14px; border-radius: var(--radius-full);
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
}
.product-card .product-badge.bestseller { background: linear-gradient(135deg, #FFD700, #FFA000); color: #4A3000; }

.product-card .product-wishlist {
    position: absolute; top: 12px; right: 12px;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    border: none;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--gray-500);
    cursor: pointer; transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}
.product-card .product-wishlist:hover { background: var(--white); color: var(--danger); transform: scale(1.1); }

.product-card .product-info { padding: 20px 24px 24px; }
.product-card .product-category { font-size: 0.75rem; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; }
.product-card .product-info h4 { font-size: 1rem; font-weight: 600; margin: 4px 0 8px; min-height: 48px; color: var(--gray-800); }
.product-card .product-rating { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }
.product-card .product-rating .stars { color: #FFD700; letter-spacing: 1px; }
.product-card .product-rating .count { color: var(--gray-400); font-size: 0.85rem; }

.product-card .product-price-row { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.product-card .product-price { font-size: 1.4rem; font-weight: 800; color: var(--gray-900); }
.product-card .product-stock { font-size: 0.85rem; display: flex; align-items: center; gap: 6px; }
.product-card .product-stock .in-stock { color: var(--success); }
.product-card .product-stock .out-of-stock { color: var(--danger); }

.product-card .btn-order {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%; padding: 12px; margin-top: 16px;
    border: none; border-radius: var(--radius-md);
    background: var(--primary-gradient); color: var(--white);
    font-weight: 600; font-size: 0.95rem;
    cursor: pointer; transition: var(--transition-base);
    text-decoration: none; font-family: 'Inter', sans-serif;
}
.product-card .btn-order:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.product-card .btn-order:disabled { background: var(--gray-300); cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* Product Details */
.product-details { padding: 60px 0; }
.product-details-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}
.product-details-image { width: 100%; height: 400px; object-fit: contain; background: var(--light-bg); border-radius: var(--radius-lg); }
.product-details-info .category-tag { display: inline-block; padding: 4px 16px; background: rgba(255,107,53,0.1); color: var(--primary); border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; }
.product-details-info h1 { font-size: 2.2rem; margin: 12px 0 8px; }
.product-details-info .price-large { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin: 16px 0; }
.product-details-info .description { color: var(--gray-600); line-height: 1.8; margin: 16px 0 24px; }

/* Dashboard */
.dashboard { padding: 40px 0; }
.dashboard .welcome-section {
    background: var(--secondary-gradient);
    padding: 40px;
    border-radius: var(--radius-xl);
    color: var(--white);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}
.dashboard .welcome-section::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    background: rgba(255,107,53,0.1);
    border-radius: 50%;
}
.dashboard .welcome-section h1 { font-size: 2.2rem; position: relative; z-index: 1; }
.dashboard .welcome-section p { color: rgba(255,255,255,0.7); position: relative; z-index: 1; }

.dashboard-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-bottom: 40px; }
.stat-card {
    background: var(--white);
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-base);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-card:hover::before { opacity: 1; }
.stat-card .stat-icon { width: 48px; height: 48px; border-radius: var(--radius-md); background: rgba(255,107,53,0.1); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--primary); margin-bottom: 12px; }
.stat-card h3 { font-size: 2rem; font-weight: 800; }
.stat-card p { color: var(--gray-500); font-weight: 500; }

/* Order Form */
.order-page { padding: 40px 0; }
.order-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}
.order-form .form-group { margin-bottom: 24px; }
.order-form .form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--gray-700); }
.order-form .form-group input,
.order-form .form-group textarea,
.order-form .form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background: var(--light-bg);
}
.order-form .form-group input:focus,
.order-form .form-group textarea:focus,
.order-form .form-group select:focus {
    border-color: var(--primary);
    background: var(--white);
    outline: none;
    box-shadow: 0 0 0 4px rgba(255,107,53,0.1);
}
.order-form .form-group textarea { min-height: 120px; resize: vertical; }

.product-selection table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.product-selection th,
.product-selection td { padding: 12px; text-align: left; border-bottom: 1px solid var(--gray-100); }
.product-selection th { background: var(--secondary); color: var(--white); }
.product-selection input[type="number"] { width: 70px; padding: 5px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm); text-align: center; }

/* Tables */
.table-container { background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); overflow: hidden; }
.table-responsive { overflow-x: auto; padding: 0 4px; }

.premium-table { width: 100%; border-collapse: collapse; }
.premium-table thead { background: var(--gray-100); }
.premium-table th { padding: 16px 20px; text-align: left; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-600); }
.premium-table td { padding: 16px 20px; border-bottom: 1px solid var(--gray-100); }
.premium-table tbody tr:hover { background: var(--gray-100); }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 14px; border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.badge-pending { background: #FFF3CD; color: #856404; }
.badge-confirmed { background: #CCE5FF; color: #004085; }
.badge-processing { background: #D1ECF1; color: #0C5460; }
.badge-shipped { background: #D4EDDA; color: #155724; }
.badge-delivered { background: #28A745; color: white; }
.badge-cancelled { background: #F8D7DA; color: #721C24; }
.badge-unpaid { background: #F8D7DA; color: #721C24; }
.badge-paid { background: #D4EDDA; color: #155724; }

/* Auth */
.auth-container { max-width: 480px; margin: 60px auto; padding: 48px 40px; background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); }
.auth-container .auth-logo { text-align: center; margin-bottom: 32px; }
.auth-container .auth-logo h1 { font-size: 2rem; }
.auth-container .auth-logo h1 span { color: var(--primary); }
.auth-container .auth-logo p { color: var(--gray-500); }
.auth-container .form-group { margin-bottom: 20px; }
.auth-container .form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--gray-700); }
.auth-container .form-group input { width: 100%; padding: 14px 18px; border: 2px solid var(--gray-200); border-radius: var(--radius-md); transition: var(--transition-base); font-family: 'Inter', sans-serif; font-size: 1rem; background: var(--light-bg); }
.auth-container .form-group input:focus { border-color: var(--primary); background: var(--white); outline: none; box-shadow: 0 0 0 4px rgba(255,107,53,0.1); }
.auth-container .btn-primary { width: 100%; padding: 16px; font-size: 1.05rem; }
.auth-container .auth-footer { text-align: center; margin-top: 24px; color: var(--gray-500); }
.auth-container .auth-footer a { color: var(--primary); text-decoration: none; font-weight: 600; }
.auth-container .auth-footer a:hover { text-decoration: underline; }

/* Alerts */
.alert { padding: 16px 20px; border-radius: var(--radius-md); margin-bottom: 20px; display: flex; align-items: flex-start; gap: 12px; }
.alert i { font-size: 1.2rem; margin-top: 2px; }
.alert-success { background: #E8F5E9; color: #1B5E20; border-left: 4px solid #4CAF50; }
.alert-error { background: #FFEBEE; color: #B71C1C; border-left: 4px solid #F44336; }
.alert-warning { background: #FFF8E1; color: #E65100; border-left: 4px solid #FFC107; }
.alert-info { background: #E3F2FD; color: #0D47A1; border-left: 4px solid #2196F3; }

/* Footer */
.footer { background: var(--secondary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-section h3, .footer-section h4 { color: var(--white); margin-bottom: 16px; }
.footer-section h3 { font-size: 1.3rem; }
.footer-section h3 span { color: var(--primary); }
.footer-section p { margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 8px; }
.footer-section ul li a { color: rgba(255,255,255,0.6); text-decoration: none; transition: var(--transition-base); display: flex; align-items: center; gap: 8px; }
.footer-section ul li a:hover { color: var(--primary); transform: translateX(4px); }
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-links a { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.2rem; transition: var(--transition-base); text-decoration: none; }
.social-links a:hover { background: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.footer-bottom { padding: 20px 0; text-align: center; color: rgba(255,255,255,0.4); font-size: 0.9rem; }

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .section-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links { display: none; flex-direction: column; width: 100%; padding: 16px 0; gap: 4px; }
    .nav-links.active { display: flex; }
    .nav-links a { width: 100%; justify-content: center; padding: 12px; }
    .hero { min-height: 70vh; padding: 60px 0; }
    .hero h1 { font-size: 2.5rem; }
    .hero .subtitle { font-size: 1.2rem; }
    .section-title { font-size: 1.8rem; }
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
    .product-details-container { grid-template-columns: 1fr; padding: 24px; }
    .product-details-image { height: 250px; }
    .dashboard-stats { grid-template-columns: 1fr 1fr; }
    .auth-container { margin: 30px 16px; padding: 32px 24px; }
    .order-form { padding: 24px; }
    .announcement-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .hero .hero-buttons { flex-direction: column; align-items: center; }
    .hero .hero-buttons a { width: 100%; justify-content: center; }
    .product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .dashboard-stats { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .footer-grid { grid-template-columns: 1fr; }
}