:root { --primary-orange: #F59E0B; --primary-orange-dark: #D97706; --secondary-green: #10B981; --accent-red: #EF4444; --bg-gray: #F9FAFB; --bg-white: #FFFFFF; --text-dark: #1F2937; --text-gray: #6B7280; --shadow: 0 10px 25px rgba(0,0,0,0.05); --shadow-sm: 0 2px 8px rgba(0,0,0,0.04); --radius: 16px; --transition: all 0.3s ease; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Be Vietnam Pro', sans-serif; color: var(--text-dark); background: var(--bg-white); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.skip-link { position: absolute; top: -40px; left: 0; background: var(--primary-orange); color: white; padding: 8px 14px; z-index: 9999; }
.skip-link:focus { top: 0; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.96); backdrop-filter: blur(8px); box-shadow: var(--shadow-sm); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 800; font-size: 1.3rem; color: var(--primary-orange); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--primary-orange); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: var(--text-dark); transition: var(--transition); }

.hero { min-height: 80vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%); position: relative; overflow: hidden; }
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.05); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 900px; padding: 0 20px; }
.hero-content p:first-child { font-weight: 600; color: var(--primary-orange-dark); margin-bottom: 16px; letter-spacing: 1px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.25; margin-bottom: 20px; color: var(--text-dark); }
.hero p:last-child { font-size: 1.05rem; color: var(--text-gray); margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 36px; border-radius: 50px; font-weight: 700; cursor: pointer; border: none; transition: var(--transition); font-family: inherit; text-align: center; }
.btn-primary { background: var(--primary-orange); color: white; box-shadow: 0 4px 12px rgba(245,158,11,0.3); }
.btn-primary:hover { background: var(--primary-orange-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 2px solid var(--primary-orange); color: var(--primary-orange); }
.btn-outline:hover { background: var(--primary-orange); color: white; }
.btn-outline-primary { background: transparent; border: 2px solid var(--primary-orange); color: var(--primary-orange); padding: 12px 32px; }
.btn-outline-primary:hover { background: var(--primary-orange); color: white; }
.btn-light { border-color: white; color: white; }
.btn-light:hover { background: white; color: var(--primary-orange); }
.btn-large { padding: 16px 44px; font-size: 1.05rem; }
.btn-full { width: 100%; }
.btn-add { background: var(--primary-orange); color: white; border: none; padding: 10px 20px; border-radius: 30px; font-weight: 600; cursor: pointer; transition: var(--transition); width: 100%; margin-top: 12px; }
.btn-add:hover { background: var(--primary-orange-dark); }

.section { padding: 70px 0; }
.section-title { font-size: 2rem; font-weight: 800; text-align: center; margin-bottom: 48px; color: var(--text-dark); }
.animate { opacity: 0; transform: translateY(25px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate.visible { opacity: 1; transform: translateY(0); }

.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 20px; }
.category-card { background: var(--bg-white); padding: 30px 20px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid #E5E7EB; cursor: pointer; }
.category-card:hover { transform: translateY(-5px); border-color: var(--primary-orange); }
.category-icon { font-size: 2.5rem; margin-bottom: 12px; }
.category-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 5px; }
.category-card p { font-size: 0.8rem; color: var(--text-gray); }

.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 25px; }
.product-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid #E5E7EB; position: relative; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card img { width: 100%; height: 180px; object-fit: cover; background: #FEF3C7; padding: 25px; }
.product-badge { position: absolute; top: 12px; right: 12px; background: var(--accent-red); color: white; padding: 4px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 700; }
.product-badge.hot { background: var(--primary-orange); }
.product-card h3 { padding: 16px 16px 8px; font-size: 1.05rem; font-weight: 700; }
.product-card p { padding: 0 16px; font-size: 0.85rem; color: var(--text-gray); }
.price-row { padding: 10px 16px; display: flex; align-items: center; gap: 12px; }
.price { font-size: 1.2rem; font-weight: 800; color: var(--primary-orange); }
.old-price { font-size: 0.85rem; text-decoration: line-through; color: var(--text-gray); }
.view-all { text-align: center; margin-top: 40px; }

.promotions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; }
.promo-card { background: var(--bg-white); padding: 28px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow-sm); }
.promo-icon { font-size: 2rem; margin-bottom: 12px; }
.promo-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--primary-orange); }
.promo-card p { font-size: 0.85rem; color: var(--text-gray); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.feature-item { background: var(--bg-white); padding: 28px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow-sm); border: 1px solid #E5E7EB; }
.feature-icon { font-size: 2.2rem; margin-bottom: 12px; }
.feature-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { font-size: 0.85rem; color: var(--text-gray); }

.faq { background: var(--bg-gray); }
.faq-list { max-width: 850px; margin: 0 auto; }
.faq-list details { background: var(--bg-white); padding: 18px 24px; border-radius: var(--radius); margin-bottom: 14px; border: 1px solid #E5E7EB; }
.faq-list summary { font-weight: 700; cursor: pointer; list-style: none; position: relative; padding-right: 30px; }
.faq-list summary::after { content: '+'; position: absolute; right: 0; font-weight: 700; color: var(--primary-orange); font-size: 1.2rem; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin-top: 14px; font-size: 0.9rem; color: var(--text-gray); line-height: 1.7; }

.cta-section { background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%); color: white; padding: 70px 0; }
.cta-content { text-align: center; max-width: 750px; margin: 0 auto; }
.cta-content h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.cta-content p { font-size: 1.05rem; opacity: 0.95; margin-bottom: 30px; }
.cta-buttons { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-bottom: 30px; }
.app-buttons { margin-top: 20px; }
.app-buttons span { font-size: 0.85rem; opacity: 0.9; margin-right: 15px; }
.app-icons { display: inline-flex; gap: 12px; }
.app-link { background: rgba(255,255,255,0.2); padding: 8px 16px; border-radius: 30px; font-size: 0.8rem; transition: var(--transition); }
.app-link:hover { background: rgba(255,255,255,0.3); }

.page-header { background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%); color: white; padding: 120px 0 60px; text-align: center; }
.page-header h1 { font-size: 2.3rem; font-weight: 800; margin-bottom: 12px; }
.page-header p { font-size: 1rem; opacity: 0.92; }

.about-content { background: var(--bg-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 60px; }
.about-text h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 20px; color: var(--primary-orange); }
.about-text p { margin-bottom: 18px; color: var(--text-gray); font-size: 0.95rem; line-height: 1.7; }
.about-text h3 { margin: 28px 0 14px; font-size: 1.2rem; font-weight: 700; }
.about-text ul { margin-left: 20px; margin-bottom: 20px; }
.about-text li { margin-bottom: 10px; font-size: 0.92rem; }
.about-image img { border-radius: var(--radius); box-shadow: var(--shadow); }

.company-info { background: var(--bg-gray); padding: 32px; border-radius: var(--radius); margin-bottom: 60px; }
.company-info h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 24px; color: var(--primary-orange); }
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid #E5E7EB; }
.info-table th { text-align: left; padding: 12px 16px; font-weight: 700; width: 30%; }
.info-table td { padding: 12px 16px; color: var(--text-gray); }

.stats-section { margin-bottom: 60px; }
.stats-section h2 { font-size: 1.6rem; font-weight: 800; text-align: center; margin-bottom: 36px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.stat-item { background: var(--bg-white); padding: 28px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow-sm); border: 1px solid #E5E7EB; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--primary-orange); margin-bottom: 6px; }
.stat-label { font-size: 0.85rem; color: var(--text-gray); }

.gallery-section { margin-bottom: 40px; }
.gallery-section h2 { font-size: 1.6rem; font-weight: 800; text-align: center; margin-bottom: 36px; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.gallery-grid img { border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: var(--transition); width: 100%; }
.gallery-grid img:hover { transform: scale(1.02); }

.contact-page { background: var(--bg-white); }
.contact-methods { margin-bottom: 60px; }
.contact-methods h2 { font-size: 1.6rem; font-weight: 800; text-align: center; margin-bottom: 32px; }
.methods-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.method-card { background: var(--bg-gray); padding: 25px; border-radius: var(--radius); text-align: center; transition: var(--transition); }
.method-card:hover { transform: translateY(-4px); }
.method-icon { font-size: 2.2rem; margin-bottom: 10px; }
.method-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.phone { font-size: 1.1rem; font-weight: 800; color: var(--primary-orange); margin-bottom: 5px; }
.method-card .hours { font-size: 0.8rem; color: var(--text-light); }

.order-form-section { max-width: 850px; margin: 0 auto 60px; }
.order-form-section h2 { font-size: 1.6rem; font-weight: 800; text-align: center; margin-bottom: 32px; }
.contact-form { background: var(--bg-gray); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.85rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; border: 1.5px solid #D1D5DB; border-radius: 10px; font-family: inherit; font-size: 0.9rem; transition: var(--transition); background: var(--bg-white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-orange); box-shadow: 0 0 0 3px rgba(245,158,11,0.1); }
.form-check { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 22px; font-size: 0.8rem; }
.form-check a { color: var(--primary-orange); text-decoration: underline; }

.office-map { max-width: 900px; margin: 0 auto; }
.office-map h2 { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 24px; }
.map-placeholder { background: var(--bg-gray); padding: 28px; border-radius: var(--radius); text-align: center; }
.map-placeholder img { max-width: 100%; margin: 0 auto 16px; }
.map-placeholder p { margin-bottom: 6px; color: var(--text-gray); font-size: 0.9rem; }

.legal-box { background: var(--bg-gray); padding: 28px; border-radius: var(--radius); border-left: 4px solid var(--primary-orange); }
.legal-box h3 { margin: 22px 0 10px; font-size: 1.1rem; font-weight: 700; color: var(--primary-orange); }
.legal-box p, .legal-box li { color: var(--text-gray); }
.legal-box ul { margin-left: 20px; margin-bottom: 14px; }
.legal-box li { margin-bottom: 5px; }
.date { font-size: 0.8rem; color: var(--text-light); margin-top: 18px; }

.footer { background: #111827; color: #9CA3AF; padding: 45px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 30px; margin-bottom: 30px; }
.footer-brand h3 { color: white; font-weight: 800; margin-bottom: 10px; font-size: 1.1rem; }
.footer-brand p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 12px; }
.social-links { display: flex; gap: 15px; }
.social { font-size: 0.8rem; color: #9CA3AF; transition: var(--transition); }
.social:hover { color: var(--primary-orange); }
.footer-nav h4, .footer-contact h4 { color: white; margin-bottom: 12px; font-size: 0.9rem; font-weight: 700; }
.footer-nav ul li { margin-bottom: 6px; font-size: 0.85rem; }
.footer-nav a:hover { color: var(--primary-orange); }
.footer-contact p { font-size: 0.85rem; line-height: 1.6; }
.footer-bottom { border-top: 1px solid #1F2937; padding-top: 18px; text-align: center; font-size: 0.75rem; }

.back-to-top { position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; border-radius: 50%; background: var(--primary-orange); color: white; border: none; font-size: 1.2rem; cursor: pointer; opacity: 0; visibility: hidden; transition: var(--transition); box-shadow: var(--shadow); }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-orange-dark); transform: translateY(-2px); }

@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: white; flex-direction: column; padding: 20px; gap: 14px; box-shadow: var(--shadow); }
    .nav-links.active { display: flex; }
    .hamburger { display: flex; }
    .hero-buttons, .cta-buttons { flex-direction: column; }
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 25px; }
    .hero h1 { font-size: 1.6rem; }
    .section-title { font-size: 1.5rem; }
    .products-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}