/* ========================================
   Qistarah Tech - Store Stylesheet
   Clean, Modern, SEO-Optimized
   ======================================== */

:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --primary-dark: #020617;
    --accent: #d63a17;
    --accent-light: #ff6821;
    --accent-dark: #0284c7;
    --cta: #f97316;
    --cta-hover: #ea580c;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --section-padding: 6rem;
    --container-max: 1200px;
    --container-padding: 1.5rem;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--gray-700); line-height: 1.7; background: var(--white); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-dark); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--gray-900); line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { margin-bottom: 1rem; }
ul, ol { list-style: none; }

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

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.875rem 1.75rem; font-family: var(--font-body); font-size: 0.9375rem; font-weight: 600; border: none; border-radius: var(--radius-md); cursor: pointer; transition: all var(--transition-base); text-decoration: none; line-height: 1; }
.btn-primary { background: var(--cta); color: var(--white); box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35); }
.btn-primary:hover { background: var(--cta-hover); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45); }
.btn-secondary { background: var(--accent); color: var(--white); box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35); }
.btn-secondary:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: var(--white); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--gray-100); color: var(--primary); }
.btn-sm { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }

.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--gray-200); transition: all var(--transition-base); }
.site-header.scrolled { box-shadow: var(--shadow-md); }
.navbar { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; font-weight: 800; font-size: 1.25rem; color: var(--primary); }
.logo-icon { width: 36px; height: 36px; background: var(--accent); color: var(--white); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.125rem; }
.logo-text { color: var(--primary); }
.logo-accent { color: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 2rem; }
.nav-menu a { color: var(--gray-600); font-weight: 500; font-size: 0.9375rem; padding: 0.5rem 0; position: relative; }
.nav-menu a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width var(--transition-base); }
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.dropdown { position: relative; }
.dropdown > a { display: flex; align-items: center; gap: 0.25rem; }
.dropdown-menu { position: absolute; top: calc(100% + 0.5rem); left: 0; background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 0.5rem 0; min-width: 220px; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all var(--transition-base); border: 1px solid var(--gray-200); }
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 0.625rem 1.25rem; color: var(--gray-600); font-size: 0.875rem; }
.dropdown-menu a:hover { background: var(--gray-50); color: var(--accent); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--primary); transition: all var(--transition-base); }

.hero { padding: 10rem 0 6rem; background: var(--primary); color: var(--white); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: var(--accent); opacity: 0.08; border-radius: 50%; filter: blur(100px); }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 600px; height: 600px; background: var(--cta); opacity: 0.06; border-radius: 50%; filter: blur(80px); }
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-content h1 { color: var(--white); margin-bottom: 1.5rem; font-weight: 800; line-height: 1.1; }
.hero-content h1 span { color: var(--accent-light); }
.hero-content p { font-size: 1.125rem; color: var(--gray-300); margin-bottom: 2rem; max-width: 500px; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2.5rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat h3 { color: var(--accent-light); font-size: 2rem; font-weight: 800; }
.hero-stat p { color: var(--gray-400); font-size: 0.875rem; margin: 0; }
.hero-visual { position: relative; }
.hero-image { width: 100%; aspect-ratio: 4/3; background: var(--primary-light); border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; font-size: 4rem; color: var(--accent); border: 1px solid rgba(255,255,255,0.1); position: relative; overflow: hidden; }
.hero-image::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(14,165,233,0.1) 0%, transparent 50%); }

.section { padding: var(--section-padding) 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 3.5rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { color: var(--gray-500); font-size: 1.125rem; }
.section-header.text-left { text-align: left; margin-left: 0; }
.bg-light { background: var(--gray-50); }
.bg-dark { background: var(--primary); color: var(--white); }
.bg-dark h2, .bg-dark h3 { color: var(--white); }
.bg-dark p { color: var(--gray-300); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.product-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--gray-200); transition: all var(--transition-base); display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--gray-300); }
.product-image {
    height: 220px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
.product-card:hover .product-image img { transform: scale(1.05); }
.product-image .placeholder { font-size: 3rem; color: var(--gray-300); }
.product-badge { position: absolute; top: 1rem; left: 1rem; background: var(--cta); color: var(--white); padding: 0.25rem 0.75rem; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.product-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-category { font-size: 0.8125rem; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.5rem; }
.product-title { font-size: 1.125rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.75rem; line-height: 1.3; }
.product-title a { color: inherit; }
.product-title a:hover { color: var(--accent); }
.product-desc { font-size: 0.9375rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 1.25rem; flex: 1; }
.product-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 1rem; border-top: 1px solid var(--gray-100); }
.product-price { font-size: 1.125rem; font-weight: 700; color: var(--gray-900); }
.product-price .contact { font-size: 0.9375rem; color: var(--gray-500); font-weight: 500; }

.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    text-align: center;
    text-decoration: none;
    color: inherit;
}

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

.category-image {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gray-100);
    width: 100%;
    height: 160px;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-base);
}

.category-card:hover .category-image img {
    transform: scale(1.08);
}

.category-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.75rem;
    color: var(--accent);
    transition: all var(--transition-base);
}

.category-card:hover .category-icon {
    background: var(--accent);
    color: var(--white);
}

.category-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.category-card:hover h3 {
    color: var(--accent);
}

.category-card p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.category-count {
    font-size: 0.8125rem;
    color: var(--gray-400);
    font-weight: 500;
    margin-top: auto;
}

.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; }
.feature-item { display: flex; gap: 1rem; }
.feature-icon { width: 48px; height: 48px; min-width: 48px; background: rgba(14, 165, 233, 0.1); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1.25rem; }
.feature-content h4 { font-size: 1.0625rem; margin-bottom: 0.5rem; }
.feature-content p { font-size: 0.9375rem; color: var(--gray-500); margin: 0; }

.cta-section { padding: 5rem 0; text-align: center; background: var(--primary); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); margin-bottom: 1rem; font-size: clamp(1.75rem, 4vw, 2.75rem); }
.cta-section p { color: var(--gray-300); font-size: 1.125rem; max-width: 600px; margin: 0 auto 2rem; }

.product-detail { padding: 8rem 0 4rem; }
.product-detail-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
    align-items: start;
}

.product-detail-grid > div:first-child {
    text-align: center;
}

.product-detail-grid > div:first-child img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    display: inline-block;
}
.product-gallery { background: var(--gray-50); border-radius: var(--radius-xl); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid var(--gray-200); }
.product-gallery img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery .placeholder { font-size: 5rem; color: var(--gray-300); }
.product-info .category { display: inline-block; background: rgba(14, 165, 233, 0.1); color: var(--accent); padding: 0.375rem 1rem; border-radius: var(--radius-sm); font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 1rem; }
.product-info h1 { margin-bottom: 1rem; }
.product-info .description { color: var(--gray-600); margin-bottom: 2rem; }
.product-info .description h2, .product-info .description h3 { margin: 1.5rem 0 0.75rem; font-size: 1.25rem; }
.product-info .description ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.product-info .description ul li { margin-bottom: 0.5rem; color: var(--gray-600); }
.features-list { margin: 2rem 0; }
.features-list h3 { font-size: 1.125rem; margin-bottom: 1rem; }
.features-list ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.features-list li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9375rem; color: var(--gray-600); }
.features-list li::before { content: '✓'; color: var(--success); font-weight: 700; }
.specs-table { width: 100%; border-collapse: collapse; margin-top: 2rem; }
.specs-table h3 { font-size: 1.125rem; margin-bottom: 1rem; }
.specs-table tr { border-bottom: 1px solid var(--gray-200); }
.specs-table td { padding: 0.875rem 0; font-size: 0.9375rem; }
.specs-table td:first-child { color: var(--gray-500); width: 40%; }
.specs-table td:last-child { color: var(--gray-800); font-weight: 500; }

.related-products { padding: 4rem 0; background: var(--gray-50); }

.contact-section { padding: 8rem 0 4rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { color: var(--gray-500); margin-bottom: 2rem; }
.contact-details { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-item .icon { width: 48px; height: 48px; background: rgba(14, 165, 233, 0.1); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.contact-item h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.contact-item p { color: var(--gray-500); font-size: 0.9375rem; margin: 0; }
.contact-form { background: var(--white); padding: 2.5rem; border-radius: var(--radius-xl); border: 1px solid var(--gray-200); box-shadow: var(--shadow-md); }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--gray-700); margin-bottom: 0.5rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.875rem 1rem; border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); font-family: var(--font-body); font-size: 0.9375rem; color: var(--gray-800); background: var(--white); transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.about-hero { padding: 10rem 0 4rem; background: var(--primary); color: var(--white); text-align: center; }
.about-hero h1 { color: var(--white); margin-bottom: 1rem; }
.about-hero p { color: var(--gray-300); font-size: 1.125rem; max-width: 600px; margin: 0 auto; }
.about-content { padding: 4rem 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-image { background: var(--gray-100); border-radius: var(--radius-xl); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; color: var(--gray-300); font-size: 4rem; overflow: hidden; }
.about-text h2 { margin-bottom: 1rem; }
.about-text p { color: var(--gray-600); margin-bottom: 1rem; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.value-card { text-align: center; padding: 2rem; background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--gray-200); }
.value-card .icon { width: 56px; height: 56px; background: rgba(14, 165, 233, 0.1); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; color: var(--accent); font-size: 1.5rem; }
.value-card h4 { margin-bottom: 0.5rem; }
.value-card p { font-size: 0.9375rem; color: var(--gray-500); margin: 0; }

.breadcrumb { padding: 6rem 0 1.5rem; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); }
.breadcrumb ol { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--gray-500); }
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .separator { color: var(--gray-300); }
.breadcrumb .current { color: var(--gray-700); font-weight: 500; }

.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 3rem; }
.pagination a, .pagination span { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-md); font-size: 0.875rem; font-weight: 600; border: 1px solid var(--gray-200); color: var(--gray-600); background: var(--white); transition: all var(--transition-fast); }
.pagination a:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }
.pagination .current { background: var(--accent); color: var(--white); border-color: var(--accent); }

.alert { padding: 1rem 1.25rem; border-radius: var(--radius-md); margin-bottom: 1.5rem; font-size: 0.9375rem; display: flex; align-items: center; gap: 0.75rem; }
.alert-success { background: rgba(16, 185, 129, 0.1); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.alert-error { background: rgba(239, 68, 68, 0.1); color: var(--error); border: 1px solid rgba(239, 68, 68, 0.2); }

.site-footer { background: var(--primary-dark); color: var(--gray-300); padding: 4rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { margin-bottom: 1rem; color: var(--white); }
.footer-brand p { color: var(--gray-400); font-size: 0.9375rem; margin-bottom: 1.5rem; }
.social-links { display: flex; gap: 0.75rem; }
.social-links a { width: 36px; height: 36px; background: rgba(255,255,255,0.08); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--gray-400); transition: all var(--transition-fast); }
.social-links a:hover { background: var(--accent); color: var(--white); }
.social-links svg { width: 16px; height: 16px; }
.footer-links h4, .footer-contact h4 { color: var(--white); font-size: 1rem; margin-bottom: 1.25rem; }
.footer-links ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { color: var(--gray-400); font-size: 0.9375rem; }
.footer-links a:hover { color: var(--accent-light); }
.footer-contact p { display: flex; align-items: center; gap: 0.75rem; color: var(--gray-400); font-size: 0.9375rem; margin-bottom: 0.75rem; }
.footer-bottom { padding: 1.5rem 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.875rem; color: var(--gray-500); }

.page-header { padding: 8rem 0 3rem; background: var(--primary); color: var(--white); text-align: center; }
.page-header h1 { color: var(--white); margin-bottom: 0.75rem; }
.page-header p { color: var(--gray-300); font-size: 1.125rem; max-width: 600px; margin: 0 auto; }

.filter-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
.filter-bar p { color: var(--gray-500); font-size: 0.9375rem; margin: 0; }
.filter-bar select { padding: 0.625rem 1rem; border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); font-family: var(--font-body); font-size: 0.875rem; color: var(--gray-700); background: var(--white); cursor: pointer; }

@media (max-width: 1024px) {
    .hero-grid, .product-detail-grid, .contact-grid, .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .values-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --section-padding: 4rem; }
    .mobile-toggle { display: flex; }
    .nav-menu { position: fixed; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; align-items: flex-start; padding: 1.5rem; gap: 0; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-lg); transform: translateY(-100%); opacity: 0; visibility: hidden; transition: all var(--transition-base); }
    .nav-menu.active { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-menu li { width: 100%; }
    .nav-menu a { display: block; padding: 0.875rem 0; border-bottom: 1px solid var(--gray-100); }
    .nav-menu a::after { display: none; }
    .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 0 1rem; display: none; }
    .dropdown.active .dropdown-menu { display: block; }
    .nav-cta { display: none; }
    .hero { padding: 7rem 0 4rem; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    .product-grid { grid-template-columns: 1fr; }
    .features-list ul { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }


/* FIX: Product Image Display */
.product-image { position: relative !important; overflow: hidden !important; min-height: 180px !important; }
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}