/* Reset & base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #1a1a1a; background: #faf9f7; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Header /
.site-header { background: #1a1a1a; color: #fff; padding: 1rem 0; position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.brand-link { display: flex; align-items: center; gap: 0.75rem; color: #fff; text-decoration: none; }
.brand-icon { font-size: 2rem; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-weight: 700; font-size: 1.25rem; letter-spacing: 0.5px; }
.brand-tagline { font-size: 0.75rem; opacity: 0.7; }
.nav-list { display: flex; gap: 1.5rem; list-style: none; }
.nav-list a { color: #fff; text-decoration: none; font-size: 0.95rem; transition: opacity 0.2s; }
.nav-list a:hover { opacity: 0.7; }
.menu-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 0.25rem; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: #fff; transition: 0.3s; }

/ Main content /
#app { min-height: 60vh; padding: 2rem 0; }
#loading { text-align: center; font-size: 1.2rem; color: #666; padding: 3rem 0; }

/ Sections /
.section { padding: 3rem 0; border-bottom: 1px solid #e5e5e5; }
.section:last-child { border-bottom: none; }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; color: #1a1a1a; }
.section-content { font-size: 1.05rem; color: #333; max-width: 800px; }
.section-content p { margin-bottom: 1rem; }

/ Hero /
.hero { background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%); color: #fff; padding: 4rem 0; border-radius: 0; margin: 0; }
.hero .section-title { color: #fff; font-size: 2.5rem; }
.hero .section-content { color: #ddd; font-size: 1.15rem; max-width: 700px; }
.hero-image { margin-top: 2rem; max-width: 100%; border-radius: 12px; overflow: hidden; }
.hero-image img { width: 100%; height: auto; display: block; }

/ Factory section /
.factory-section { background: #fff; }
.factory-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2rem; }
.factory-figure { background: #f5f3f0; border-radius: 12px; overflow: hidden; }
.factory-figure img { width: 100%; height: auto; display: block; }
.factory-figure figcaption { padding: 0.75rem 1rem; text-align: center; font-weight: 500; color: #333; background: #f5f3f0; }

/ Commitment /
.commitment { background: #f0ede8; padding: 2.5rem 0; }
.commitment .section-title { color: #1a1a1a; }
.commitment-badge { display: inline-block; background: #c9a74d; color: #fff; padding: 0.5rem 1.5rem; border-radius: 50px; font-weight: 600; font-size: 0.9rem; letter-spacing: 0.5px; margin-bottom: 1rem; }

/ Brands /
.brands-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2rem; }
.brand-card { background: #fff; border-radius: 12px; padding: 1.5rem; box-shadow: 0 2px 8px rgba(0,0,0,0.06); border: 1px solid #eee; }
.brand-image { width: 100%; height: auto; border-radius: 8px; margin-bottom: 1rem; }
.brand-card h3 { font-size: 1.4rem; color: #1a1a1a; margin-bottom: 0.25rem; }
.brand-card .tagline { font-style: italic; color: #666; font-size: 0.95rem; margin-bottom: 0.75rem; }
.brand-card .description { color: #444; font-size: 0.95rem; margin-bottom: 1rem; }
.brand-card ul { list-style: none; padding: 0; margin-bottom: 1rem; }
.brand-card ul li { padding: 0.25rem 0; font-size: 0.9rem; color: #555; border-bottom: 1px solid #f5f5f5; }
.brand-card ul li:last-child { border-bottom: none; }
.brand-card .cta { display: inline-block; background: #1a1a1a; color: #fff; padding: 0.5rem 1.25rem; border-radius: 6px; text-decoration: none; font-size: 0.9rem; transition: background 0.2s; }
.brand-card .cta:hover { background: #333; }

/ Capabilities /
.capabilities-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.capability-item { background: #fff; padding: 1.25rem; border-radius: 10px; text-align: center; box-shadow: 0 2px 6px rgba(0,0,0,0.05); border: 1px solid #eee; }
.capability-item .value { font-size: 2rem; font-weight: 700; color: #1a1a1a; }
.capability-item .label { font-size: 0.85rem; color: #666; margin-top: 0.25rem; }

/ Certifications /
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.cert-item { background: #fff; padding: 1.25rem; border-radius: 10px; border: 1px solid #eee; text-align: center; }
.cert-icon { width: 64px; height: 64px; object-fit: contain; margin-bottom: 0.75rem; }
.cert-item h4 { font-size: 1.1rem; color: #1a1a1a; margin-bottom: 0.25rem; }
.cert-item .standard { font-size: 0.9rem; color: #666; margin-bottom: 0.75rem; }
.cert-link { display: inline-block; background: #c9a74d; color: #fff; padding: 0.4rem 1.2rem; border-radius: 50px; text-decoration: none; font-size: 0.85rem; font-weight: 600; transition: background 0.2s; }
.cert-link:hover { background: #b8963a; }

/ OEM CTA /
.oem-cta { background: #1a1a1a; color: #fff; padding: 3rem 0; text-align: center; }
.oem-cta .section-title { color: #fff; }
.oem-cta .section-content { color: #ddd; margin: 0 auto 1.5rem; }
.oem-cta .btn { display: inline-block; background: #c9a74d; color: #fff; padding: 0.75rem 2.5rem; border-radius: 50px; text-decoration: none; font-weight: 600; transition: background 0.2s; }
.oem-cta .btn:hover { background: #b8963a; }

/ Contact /
.contact-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-top: 1.5rem; background: #fff; padding: 1.5rem; border-radius: 10px; border: 1px solid #eee; }
.contact-item { display: flex; align-items: center; gap: 0.5rem; }
.contact-item .icon { font-size: 1.2rem; }

/ Footer /
.site-footer { background: #1a1a1a; color: #ccc; padding: 2.5rem 0 1.5rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-col h4 { color: #fff; margin-bottom: 0.75rem; font-size: 1rem; }
.footer-col p, .footer-col li { font-size: 0.9rem; color: #aaa; line-height: 1.8; }
.footer-col ul { list-style: none; padding: 0; }
.footer-contact li { padding: 0.15rem 0; }
.footer-contact a { color: #c9a74d; text-decoration: none; }
.footer-contact a:hover { text-decoration: underline; }
.footer-bottom { border-top: 1px solid #333; padding-top: 1.5rem; text-align: center; font-size: 0.85rem; color: #777; }

/ Responsive */
@media (max-width: 768px) {
 .menu-toggle { display: flex; }
 .nav-list { display: none; flex-direction: column; width: 100%; padding: 1rem 0; gap: 0.75rem; }
 .nav-list.open { display: flex; }
 .header-inner { flex-wrap: wrap; }
 .hero .section-title { font-size: 1.8rem; }
 .section-title { font-size: 1.6rem; }
 .brands-grid { grid-template-columns: 1fr; }
 .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
 .contact-info { grid-template-columns: 1fr; }
 .footer-grid { grid-template-columns: 1fr; }
 .factory-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
 .container { padding: 0 1rem; }
 .hero { padding: 2.5rem 0; }
 .hero .section-title { font-size: 1.5rem; }
 .capabilities-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
 .capability-item .value { font-size: 1.5rem; }
}