:root { --primary-dark: #0d4a3b; --primary: #1e7b5e; --secondary: #a8e6cf; --accent: #ffb347; --light-bg: #f0fdf4; --text-dark: #1e293b; --text-muted: #475569; --white: #ffffff; --shadow-sm: 0 4px 12px rgba(0,0,0,0.05); --shadow-md: 0 8px 24px rgba(0,0,0,0.08); --radius-lg: 24px; --radius-md: 16px; --transition: all 0.25s ease; }
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: var(--text-dark); background: var(--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); 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(6px); 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: 70px; }
.logo { font-family: 'Be Vietnam Pro', sans-serif; font-size: 1.3rem; font-weight: 700; color: var(--primary); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-weight: 500; font-size: 0.95rem; transition: var(--transition); padding: 6px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); border-bottom: 2px solid var(--primary); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: var(--primary-dark); }

.hero { min-height: 85vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(105deg, #0d4a3b 0%, #1e7b5e 100%); color: white; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; width: 550px; height: 550px; background: radial-gradient(circle, var(--secondary) 0%, transparent 70%); bottom: -120px; right: -60px; opacity: 0.2; animation: float 14s infinite alternate; }
@keyframes float { 0% { transform: translate(0,0); } 100% { transform: translate(-20px,-15px); } }
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.15); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 880px; padding: 0 20px; }
.hero-content p:first-child { font-family: 'Be Vietnam Pro', sans-serif; color: var(--secondary); margin-bottom: 12px; letter-spacing: 0.5px; }
.hero h1 { font-family: 'Be Vietnam Pro', sans-serif; font-size: clamp(1.8rem, 5vw, 3.2rem); line-height: 1.2; margin-bottom: 20px; }
.hero p:last-child { font-size: 1.05rem; opacity: 0.92; margin-bottom: 32px; }
.btn { display: inline-block; padding: 14px 34px; border-radius: 60px; font-weight: 600; cursor: pointer; border: none; transition: var(--transition); }
.btn-primary { background: var(--accent); color: #2d3748; box-shadow: 0 4px 12px rgba(255,179,71,0.3); }
.btn-primary:hover { background: #ffc266; transform: translateY(-2px); }
.btn-outline { background: transparent; border: 2px solid white; color: white; }
.btn-outline:hover { background: white; color: var(--primary); }
.btn-large { padding: 16px 38px; }

.section { padding: 80px 0; }
.section-title { font-family: 'Be Vietnam Pro', sans-serif; font-size: 2rem; text-align: center; margin-bottom: 48px; color: var(--primary-dark); }
.animate { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate.visible { opacity: 1; transform: translateY(0); }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
.service-card { background: var(--white); padding: 32px 24px; border-radius: var(--radius-lg); text-align: center; transition: var(--transition); box-shadow: var(--shadow-sm); border: 1px solid #e2e8f0; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
.service-card img { width: 70px; height: 70px; margin: 0 auto 18px; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--primary-dark); }
.service-card p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 18px; }
.price-tag { display: inline-block; background: var(--primary); color: white; padding: 5px 14px; border-radius: 40px; font-size: 0.85rem; font-weight: 600; }

.why-us { background: var(--light-bg); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 28px; }
.why-item { text-align: center; padding: 20px; }
.why-icon { font-size: 2.8rem; margin-bottom: 14px; }
.why-item h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--primary-dark); }
.why-item p { font-size: 0.88rem; color: var(--text-muted); }

.benefits { background: var(--white); }
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.benefit-card { background: var(--light-bg); padding: 24px; border-radius: var(--radius-md); border-left: 4px solid var(--accent); }
.benefit-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--primary-dark); }
.benefit-card p { font-size: 0.86rem; color: var(--text-muted); }

.faq { background: var(--light-bg); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-list details { background: white; padding: 20px 24px; border-radius: var(--radius-md); margin-bottom: 16px; border: 1px solid #d1fae5; }
.faq-list summary { font-weight: 600; cursor: pointer; list-style: none; padding-right: 30px; position: relative; }
.faq-list summary::after { content: '+'; position: absolute; right: 0; font-weight: 700; color: var(--primary); font-size: 1.2rem; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin-top: 14px; font-size: 0.92rem; color: var(--text-muted); padding-left: 12px; border-left: 3px solid var(--accent); }

.cta-section { background: linear-gradient(115deg, #1e7b5e 0%, #0d4a3b 100%); color: white; padding: 70px 0; text-align: center; }
.cta-content h2 { font-size: 1.8rem; margin-bottom: 12px; }
.cta-content p { font-size: 1rem; opacity: 0.92; margin-bottom: 28px; }

.page-header { background: linear-gradient(115deg, #1e7b5e 0%, #0d4a3b 100%); color: white; padding: 130px 0 60px; text-align: center; }
.page-header h1 { font-size: 2.3rem; margin-bottom: 12px; }

.about-content { background: white; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 64px; }
.about-text h2 { font-size: 1.7rem; margin-bottom: 16px; color: var(--primary-dark); }
.about-text p { margin-bottom: 18px; color: var(--text-muted); }
.about-text ul { margin-left: 20px; margin-bottom: 20px; }
.about-text li { margin-bottom: 8px; }
.company-info { background: var(--light-bg); padding: 36px; border-radius: var(--radius-lg); margin-bottom: 64px; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid #cbd5e1; }
.info-table th { text-align: left; padding: 14px 16px; width: 35%; font-weight: 600; }
.info-table td { padding: 14px 16px; color: var(--text-muted); }
.stats-section { margin-bottom: 64px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 24px; }
.stat-item { background: var(--light-bg); padding: 28px; border-radius: var(--radius-md); text-align: center; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.gallery-grid img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: var(--transition); background: #f1f5f9; }
.gallery-grid img:hover { transform: scale(1.02); }

.contact-methods { margin-bottom: 64px; }
.methods-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 28px; }
.method-card { background: var(--light-bg); padding: 32px 20px; border-radius: var(--radius-md); text-align: center; }
.method-icon { font-size: 2.5rem; margin-bottom: 12px; }
.method-card .hours { font-weight: 600; color: var(--primary); margin: 8px 0 4px; }
.order-form-section { max-width: 880px; margin: 0 auto 64px; }
.contact-form { background: var(--light-bg); padding: 40px; border-radius: var(--radius-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 8px; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border: 1.5px solid #cbd5e1; border-radius: 14px; font-family: inherit; background: white; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-check { display: flex; gap: 10px; align-items: center; margin-bottom: 28px; font-size: 0.85rem; }
.form-check a { color: var(--primary); text-decoration: underline; }
.btn-full { width: 100%; }
.office-map { max-width: 880px; margin: 0 auto; }
.map-placeholder { background: var(--light-bg); padding: 32px; border-radius: var(--radius-lg); text-align: center; }

.legal-box { background: var(--light-bg); padding: 32px; border-radius: var(--radius-lg); border-left: 5px solid var(--accent); }
.legal-box h3 { margin: 24px 0 12px; font-size: 1.15rem; color: var(--primary-dark); }
.legal-box ul { margin-left: 20px; margin-bottom: 16px; }
.date { font-size: 0.8rem; color: #94a3b8; margin-top: 20px; }

.footer { background: #0f172a; color: #94a3b8; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 32px; margin-bottom: 32px; }
.footer-brand h3 { color: var(--secondary); margin-bottom: 10px; }
.footer-nav h4, .footer-contact h4 { color: white; margin-bottom: 14px; font-size: 0.95rem; }
.footer-nav ul li { margin-bottom: 8px; font-size: 0.85rem; }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 20px; text-align: center; font-size: 0.75rem; }

.back-to-top { position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; border-radius: 60px; background: var(--primary); color: white; border: none; font-size: 1.2rem; cursor: pointer; opacity: 0; visibility: hidden; transition: var(--transition); }
.back-to-top.show { opacity: 1; visibility: visible; }

@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0; background: white; flex-direction: column; padding: 20px; gap: 16px; box-shadow: var(--shadow-md); }
    .nav-links.active { display: flex; }
    .hamburger { display: flex; flex-direction: column; gap: 5px; }
    .hamburger span { width: 24px; height: 2px; background: var(--primary-dark); }
    .about-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero h1 { font-size: 1.8rem; }
    .section-title { font-size: 1.6rem; }
}