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

:root {
    --primary: #0066ff; --primary-dark: #0047b3; --primary-light: #3b8eff;
    --accent: #ff6b35; --accent-dark: #e85a28; --dark: #0a1628; --dark-2: #142340;
    --gray: #64748b; --gray-light: #f1f5f9; --white: #ffffff; --success: #22c55e;
    --radius: 16px; --radius-sm: 10px; --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12); --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; color: var(--dark); line-height: 1.6; background: var(--white); overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: var(--white); box-shadow: 0 4px 16px rgba(0,102,255,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,102,255,0.4); }
.btn-secondary { background: var(--white); color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.btn-small { padding: 10px 24px; font-size: 14px; }
.btn-full { width: 100%; }

.announcement-bar { background: linear-gradient(90deg, var(--accent), var(--accent-dark)); color: var(--white); text-align: center; padding: 10px; font-size: 14px; font-weight: 500; }
.announcement-bar a { text-decoration: underline; font-weight: 700; }

.navbar { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); box-shadow: 0 1px 12px rgba(0,0,0,0.06); transition: var(--transition); }
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.1); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 28px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo-sub { font-size: 10px; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; }
.nav-menu { display: flex; gap: 32px; }
.nav-menu a { font-weight: 500; font-size: 15px; color: var(--dark); transition: var(--transition); position: relative; }
.nav-menu a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-menu a:hover { color: var(--primary); }
.nav-menu a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.cart-btn { position: relative; background: none; border: none; cursor: pointer; color: var(--dark); padding: 8px; transition: var(--transition); }
.cart-btn:hover { color: var(--primary); }
.cart-count { position: absolute; top: 0; right: 0; background: var(--accent); color: var(--white); font-size: 11px; font-weight: 700; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 3px; background: var(--dark); border-radius: 2px; transition: var(--transition); }

.hero { position: relative; padding: 80px 0 100px; overflow: hidden; background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%); }
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; z-index: 0; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.3; }
.orb-1 { width: 500px; height: 500px; background: var(--primary); top: -100px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: var(--accent); bottom: -100px; left: -50px; }
.orb-3 { width: 300px; height: 300px; background: #a855f7; top: 40%; left: 50%; }
.hero-container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-block; background: rgba(0,102,255,0.1); color: var(--primary); padding: 8px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; margin-bottom: 24px; }
.hero-title { font-size: 56px; font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 24px; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 18px; color: var(--gray); margin-bottom: 32px; max-width: 540px; }
.hero-buttons { display: flex; gap: 16px; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; }
.stat { display: flex; flex-direction: column; }
.stat-number { font-size: 36px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 14px; color: var(--gray); }
.hero-visual { display: flex; justify-content: center; }
.hero-card { position: relative; background: var(--white); border-radius: 24px; padding: 40px; text-align: center; box-shadow: var(--shadow-lg); width: 320px; animation: float 4s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
.hero-card-badge { position: absolute; top: 20px; right: 20px; background: var(--accent); color: var(--white); padding: 6px 16px; border-radius: 50px; font-size: 12px; font-weight: 700; }
.hero-card-icon { font-size: 80px; margin-bottom: 16px; }
.hero-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.hero-card p { color: var(--gray); margin-bottom: 16px; }
.hero-card-price { font-size: 24px; font-weight: 800; color: var(--primary); margin-bottom: 20px; }

.trust-strip { background: var(--dark); padding: 24px 0; }
.trust-items { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; }
.trust-item { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 500; font-size: 15px; }
.trust-icon { font-size: 24px; }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-tag { display: inline-block; background: rgba(0,102,255,0.1); color: var(--primary); padding: 6px 18px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
.section-title { font-size: 40px; font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.section-desc { font-size: 17px; color: var(--gray); }

.categories { padding: 100px 0; background: var(--gray-light); }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.category-card { background: var(--white); border-radius: var(--radius); padding: 32px 24px; text-align: center; transition: var(--transition); border: 2px solid transparent; cursor: pointer; }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.category-icon { font-size: 48px; margin-bottom: 16px; }
.category-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.category-card p { font-size: 14px; color: var(--gray); margin-bottom: 12px; }
.category-count { font-size: 12px; color: var(--primary); font-weight: 600; background: rgba(0,102,255,0.1); padding: 4px 12px; border-radius: 50px; }

.products { padding: 100px 0; }
.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 48px; }
.filter-btn { padding: 10px 24px; border-radius: 50px; border: 2px solid var(--gray-light); background: var(--white); font-weight: 600; font-size: 14px; cursor: pointer; transition: var(--transition); color: var(--gray); }
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: var(--white); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid #edf2f7; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-image { height: 200px; display: flex; align-items: center; justify-content: center; font-size: 64px; background: linear-gradient(135deg, #f0f7ff, #e6efff); position: relative; }
.product-badge { position: absolute; top: 12px; left: 12px; background: var(--accent); color: var(--white); padding: 4px 12px; border-radius: 50px; font-size: 11px; font-weight: 700; }
.product-badge.new { background: var(--success); }
.product-info { padding: 20px; }
.product-category { font-size: 12px; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.product-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.product-rating { display: flex; align-items: center; gap: 4px; margin-bottom: 12px; font-size: 13px; color: var(--gray); }
.product-stars { color: #fbbf24; letter-spacing: 1px; }
.product-price-row { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.product-price { font-size: 20px; font-weight: 800; color: var(--dark); }
.product-old-price { font-size: 14px; color: var(--gray); text-decoration: line-through; }
.add-cart-btn { width: 100%; padding: 12px; background: var(--gray-light); border: 2px solid var(--gray-light); border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; cursor: pointer; transition: var(--transition); color: var(--dark); }
.add-cart-btn:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }

.why-us { padding: 100px 0; background: var(--gray-light); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--white); border-radius: var(--radius); padding: 36px 28px; transition: var(--transition); border: 1px solid #edf2f7; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 44px; margin-bottom: 20px; }
.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--gray); font-size: 15px; }

.about { padding: 100px 0; }
.about-container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content .section-tag, .about-content .section-title, .about-content .section-desc { text-align: left; margin-left: 0; }
.about-content .section-title { margin-top: 16px; }
.about-text { color: var(--gray); font-size: 16px; margin-bottom: 16px; }
.about-features { margin: 24px 0 32px; }
.about-feature { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-weight: 500; font-size: 15px; }
.about-feature .check { background: var(--success); color: var(--white); width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.about-visual { display: flex; justify-content: center; }
.about-image-card { position: relative; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 24px; padding: 40px; width: 100%; max-width: 420px; }
.about-icon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.about-icon-item { background: rgba(255,255,255,0.15); border-radius: var(--radius-sm); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 36px; backdrop-filter: blur(4px); }
.about-experience-badge { position: absolute; bottom: -24px; right: -24px; background: var(--accent); color: var(--white); border-radius: var(--radius); padding: 20px 28px; text-align: center; box-shadow: var(--shadow-lg); }
.exp-number { display: block; font-size: 32px; font-weight: 800; line-height: 1; }
.exp-label { font-size: 12px; opacity: 0.9; }

.testimonials { padding: 100px 0; background: var(--gray-light); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card { background: var(--white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); transition: var(--transition); }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stars { color: #fbbf24; font-size: 18px; letter-spacing: 2px; margin-bottom: 16px; }
.testimonial-card p { color: var(--dark); font-size: 15px; margin-bottom: 24px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: var(--white); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 20px; }
.testimonial-author strong { display: block; font-size: 15px; }
.testimonial-author span { font-size: 13px; color: var(--gray); }

.contact { padding: 100px 0; }
.contact-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: rgba(0,102,255,0.1); display: flex; align-items: center; justify-content: center; font-size: 24px; flex-shrink: 0; }
.contact-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.contact-item p { color: var(--gray); font-size: 15px; }
.contact-socials { display: flex; gap: 12px; margin-top: 8px; }
.social-link { width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--gray-light); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; color: var(--dark); transition: var(--transition); }
.social-link:hover { background: var(--primary); color: var(--white); transform: translateY(-3px); }
.contact-form { background: var(--white); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 14px 16px; border: 2px solid var(--gray-light); border-radius: var(--radius-sm); font-size: 15px; font-family: inherit; transition: var(--transition); background: var(--white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(0,102,255,0.1); }
.form-group textarea { resize: vertical; }
.form-success { display: none; margin-top: 16px; padding: 16px; background: rgba(34,197,94,0.1); color: #16a34a; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; text-align: center; }
.form-success.show { display: block; animation: slideDown 0.4s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.newsletter { padding: 60px 0; }
.newsletter-box { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 24px; padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; position: relative; overflow: hidden; }
.newsletter-box::before { content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px; background: rgba(255,255,255,0.05); border-radius: 50%; }
.newsletter-content h2 { color: var(--white); font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.newsletter-content p { color: rgba(255,255,255,0.85); font-size: 16px; }
.newsletter-form { display: flex; gap: 12px; position: relative; z-index: 1; }
.newsletter-form input { flex: 1; padding: 16px 20px; border: none; border-radius: var(--radius-sm); font-size: 15px; font-family: inherit; }
.newsletter-form input:focus { outline: none; box-shadow: 0 0 0 4px rgba(255,255,255,0.2); }

.footer { background: var(--dark); color: var(--white); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer .logo-name { color: var(--white); }
.footer .logo-sub { color: rgba(255,255,255,0.6); }
.footer-desc { color: rgba(255,255,255,0.6); font-size: 14px; margin-top: 16px; max-width: 320px; }
.footer-col h4 { font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 14px; transition: var(--transition); }
.footer-col ul a:hover { color: var(--white); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { color: rgba(255,255,255,0.5); font-size: 14px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: rgba(255,255,255,0.5); font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--white); }

.cart-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 2000; opacity: 0; visibility: hidden; transition: var(--transition); }
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-drawer { position: fixed; top: 0; right: -420px; width: 400px; max-width: 100%; height: 100%; background: var(--white); z-index: 2001; transition: right 0.3s ease; display: flex; flex-direction: column; box-shadow: -8px 0 32px rgba(0,0,0,0.15); }
.cart-drawer.open { right: 0; }
.cart-header { display: flex; justify-content: space-between; align-items: center; padding: 24px; border-bottom: 1px solid var(--gray-light); }
.cart-header h3 { font-size: 20px; font-weight: 700; }
.cart-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--gray); transition: var(--transition); width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.cart-close:hover { background: var(--gray-light); color: var(--dark); }
.cart-body { flex: 1; overflow-y: auto; padding: 24px; }
.cart-empty { text-align: center; padding: 60px 20px; }
.cart-empty-icon { font-size: 64px; margin-bottom: 16px; opacity: 0.3; }
.cart-empty p { color: var(--gray); margin-bottom: 20px; font-size: 16px; }
.cart-item { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--gray-light); }
.cart-item-icon { font-size: 40px; width: 64px; height: 64px; border-radius: var(--radius-sm); background: var(--gray-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cart-item-info { flex: 1; }
.cart-item-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.cart-item-price { font-size: 14px; font-weight: 700; color: var(--primary); }
.cart-item-controls { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.qty-btn { width: 28px; height: 28px; border: 1px solid var(--gray-light); border-radius: 6px; background: var(--white); cursor: pointer; font-weight: 700; font-size: 16px; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.qty-btn:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.cart-item-qty { font-weight: 600; font-size: 14px; min-width: 24px; text-align: center; }
.cart-item-remove { margin-left: auto; background: none; border: none; color: var(--accent); cursor: pointer; font-size: 18px; transition: var(--transition); }
.cart-item-remove:hover { color: var(--accent-dark); }
.cart-footer { padding: 24px; border-top: 1px solid var(--gray-light); }
.cart-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 20px; font-weight: 800; }
.cart-total span:last-child { color: var(--primary); }

.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
    .hero-title { font-size: 44px; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-menu { position: fixed; top: 72px; left: 0; width: 100%; background: var(--white); flex-direction: column; padding: 24px; gap: 16px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); transform: translateY(-150%); transition: var(--transition); }
    .nav-menu.open { transform: translateY(0); }
    .hamburger { display: flex; }
    .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-badge, .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-title { font-size: 36px; }
    .section-title { font-size: 30px; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .about-container { grid-template-columns: 1fr; }
    .contact-container { grid-template-columns: 1fr; }
    .newsletter-box { grid-template-columns: 1fr; padding: 32px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .trust-items { flex-direction: column; align-items: center; gap: 12px; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .hero-stats { gap: 20px; }
    .stat-number { font-size: 28px; }
    .category-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 24px; }
    .newsletter-form { flex-direction: column; }
}