:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-gray: #6b7280;
    --border: #e5e7eb;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: var(--text-dark); background: var(--bg-white); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }

.header { position: relative; background: var(--bg-white); border-bottom: 1px solid var(--border); z-index: 1000; min-height: 50px; }
.header .container { display: flex; align-items: center; justify-content: space-between; height: auto; min-height: 50px; padding: 6px 20px; max-width: 100%; width: 100%; box-sizing: border-box; gap: 10px; flex-wrap: nowrap; }
.header .container > * { flex-shrink: 0; }
.nav { display: flex; align-items: center; flex-shrink: 0; }
.nav-list { display: flex; gap: 20px; padding: 0; margin: 0; list-style: none; }
.nav-list li { margin: 0; padding: 0; }
.nav-link { text-decoration: none; color: #333; font-weight: 500; font-size: 13px; font-family: 'Inter', sans-serif; }

.hero { padding: 12px 0; background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%); }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.hero-content { max-width: 480px; }
.hero-content p { text-align: justify; }
.hero-title { font-size: 29px; font-weight: 700; color: #000; line-height: 1.2; margin-bottom: 12px; }
.hero-subtitle { font-size: 14px; color: #000; margin-bottom: 8px; text-align: justify; }
.hero-mission { font-size: 14px; color: #000; margin-bottom: 16px; font-weight: 600; text-align: justify; }
.hero-image img, .hero-image video { width: 100%; max-width: 360px; height: auto; border-radius: 12px; box-shadow: var(--shadow-lg); }
.hero-image video { object-fit: cover; }

.btn { display: inline-block; padding: 10px 20px; font-size: 14px; font-weight: 600; border-radius: var(--radius); cursor: pointer; transition: var(--transition); border: none; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: var(--accent); color: white; }
.btn-secondary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.section-title { font-size: 28px; font-weight: 700; color: var(--secondary); text-align: center; margin-bottom: 16px; }

.features { padding: 12px 0; background: var(--bg-white); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { padding: 12px; background: var(--bg-light); border-radius: 8px; text-align: center; transition: var(--transition); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 32px; margin-bottom: 12px; }
.feature-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--secondary); }
.feature-card p { font-size: 13px; color: var(--text-gray); }

.about-preview { padding: 12px 0; background: var(--bg-light); }
.about-preview p { text-align: justify; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
.about-image img, .about-image video { width: 100%; border-radius: 12px; box-shadow: var(--shadow-lg); }
.about-content h2 { text-align: left; margin-bottom: 12px; font-size: 24px; }
.about-content p { text-align: justify; }

.cta { padding: 16px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); text-align: center; }
.cta h2 { color: white; margin-bottom: 8px; }
.cta p { color: rgba(255, 255, 255, 0.9); max-width: 500px; margin: 0 auto 12px; font-size: 14px; }

.footer { padding: 16px 0 10px; background: var(--secondary); color: white; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; margin-bottom: 12px; }
.footer-brand p { color: rgba(255, 255, 255, 0.7); }
.footer h4 { font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.footer-links ul li { margin-bottom: 8px; }
.footer-links a { color: rgba(255, 255, 255, 0.7); transition: var(--transition); }
.footer-links a:hover { color: white; }
.footer-contact p { color: rgba(255, 255, 255, 0.7); margin-bottom: 6px; }
.footer-contact p a { color: #fff; }
.footer-bottom { padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, 0.1); text-align: center; color: rgba(255, 255, 255, 0.5); font-size: 13px; }

.page-hero { padding: 8px 0; background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%); text-align: center; }
.page-hero h1 { font-size: 28px; font-weight: 700; color: var(--secondary); margin-bottom: 6px; }
.page-hero p { font-size: 13px; color: var(--text-gray); }

.about-section { padding: 8px 0; }
.about-section p { text-align: justify; }
.mission-section { padding: 8px 0; }
.mission-text { text-align: center; max-width: 600px; margin: 0 auto; }
.trust-section { padding: 12px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.trust-card { text-align: center; padding: 12px; }
.trust-number { font-size: 28px; font-weight: 700; color: var(--primary); }
.trust-label { font-size: 13px; color: var(--text-gray); }

.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.product-video, .product-hero video { width: 100%; border-radius: 12px; }
.product-info h2 { color: var(--primary); font-size: 20px; margin-bottom: 12px; }
.product-specs { list-style: none; padding: 0; }
.product-specs li { padding: 8px 0; border-bottom: 1px solid #eee; }
.product-specs strong { color: #333; }
.product-description { margin-top: 20px }
.product-description h2 { color: var(--primary); font-size: 20px; margin: 20px 0 8px; }
.product-description h3 { color: #333; font-size: 16px; margin: 16px 0 6px; }
.product-description p { color: #555; line-height: 1.6; font-size: 14px; }

.contact-form { max-width: 500px; margin: 0 auto; }
.contact-form input, .contact-form textarea { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; margin-bottom: 12px; }
.contact-form textarea { min-height: 120px; }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card { background: var(--bg-light); border-radius: 12px; padding: 16px; text-align: center; transition: var(--transition); }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card .product-image { width: 100%; height: 200px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.product-card .product-image img { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; }
.product-card h3 { font-size: 16px; margin-bottom: 8px; }
.product-card p { font-size: 13px; color: var(--text-gray); margin-bottom: 12px; }

@media (max-width: 1024px) {
    .hero .container, .about-grid { grid-template-columns: 1fr; }
    .features-grid, .products-grid, .footer-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .header .container { flex-wrap: wrap; gap: 8px; padding: 8px 15px; }
    .header .logo img { width: 192px; }
    .header-contacts { display: none; }
    .nav { display: none; width: 100%; margin-top: 8px; padding-top: 8px; border-top: 1px solid #eee; }
    .nav.active { display: block; }
    .nav-list { flex-direction: column; gap: 10px; text-align: center; }
    .mobile-menu-btn { display: flex; position: absolute; right: 10px; top: 8px; }
    .features-grid, .products-grid, .footer-grid, .trust-grid { grid-template-columns: 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 20px; }
    .section-title { font-size: 22px; }
    .features-grid { grid-template-columns: 1fr; }
}