* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--color-ink); line-height: 1.5; background: #fff; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.site-header { border-bottom: 1px solid var(--color-border); }
.header-inner { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; flex-wrap: wrap; gap: 16px; }
.header-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.3rem; color: var(--color-primary); letter-spacing: 0.5px; }
.logo-mark { font-size: 1.5rem; }
.header-nav { display: flex; gap: 26px; }
.nav-link { font-weight: 600; font-size: 0.92rem; color: var(--color-ink); }
.nav-link:hover, .nav-link.active { color: var(--color-primary); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-contact { font-size: 0.85rem; color: var(--color-ink-soft); }
.btn-catalogue { background: var(--color-primary); color: #fff; font-weight: 700; font-size: 0.85rem; padding: 12px 20px; }
.btn-catalogue:hover { background: var(--color-primary-dark); }
.badge-years { width: 56px; height: 56px; border-radius: 50%; background: var(--color-surface); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.75rem; color: var(--color-primary); text-align: center; border: 2px solid var(--color-primary); }

.hero { text-align: center; padding: 70px 24px 50px; max-width: 900px; margin: 0 auto; }
.hero h1 { font-size: 2.6rem; font-weight: 800; color: var(--color-primary); margin-bottom: 16px; }
.hero p { font-size: 1.1rem; color: var(--color-ink); font-weight: 600; margin-bottom: 30px; }
.btn-primary { display: inline-block; background: var(--color-primary); color: #fff; font-weight: 700; font-size: 0.92rem; padding: 16px 32px; }
.btn-primary:hover { background: var(--color-primary-dark); }

.subhero { background: var(--color-surface); padding: 40px 24px; text-align: center; }
.subhero h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 8px; }
.subhero p { color: var(--color-ink-soft); }

.who-wrap { max-width: 1200px; margin: 0 auto; padding: 60px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: stretch; }
.who-copy h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 18px; }
.who-copy p { color: var(--color-ink-soft); margin-bottom: 16px; }
.who-media { background: var(--color-surface); border-radius: 8px; overflow: hidden; min-height: 320px; }
.who-media img { width: 100%; height: 100%; object-fit: cover; }

.why-wrap { max-width: 1200px; margin: 0 auto; padding: 20px 24px 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: stretch; }
.why-wrap h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 24px; }
.why-item { display: flex; gap: 14px; margin-bottom: 24px; }
.why-check { width: 26px; height: 26px; border: 2px solid var(--color-ink); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; font-weight: 800; }
.why-item p { color: var(--color-ink-soft); font-size: 0.95rem; }
.why-media { background: var(--color-surface); border: 2px solid var(--color-primary); border-radius: 12px; overflow: hidden; min-height: 320px; }
.why-media img { width: 100%; height: 100%; object-fit: cover; }

.stats-bar { background: var(--color-primary); color: #fff; padding: 40px 24px; }
.stats-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-icon { font-size: 2rem; margin-bottom: 10px; }
.stat-num { font-size: 1.8rem; font-weight: 800; margin-bottom: 4px; }
.stat-label { font-size: 0.85rem; opacity: 0.9; }

.feature-grid { max-width: 1200px; margin: 0 auto; padding: 60px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { border: 1px solid var(--color-border); padding: 30px 24px; text-align: center; }
.feature-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--color-surface); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin: 0 auto 18px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--color-ink-soft); font-size: 0.88rem; }

.product-grid { max-width: 1200px; margin: 0 auto; padding: 0 24px 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card { border: 1px solid var(--color-border); padding: 20px; text-align: center; }
.product-card img { height: 140px; width: 100%; object-fit: cover; margin-bottom: 16px; }
.product-card h3 { font-size: 0.95rem; font-weight: 800; margin-bottom: 16px; text-transform: uppercase; }
.btn-review { display: inline-block; background: var(--color-primary); color: #fff; font-weight: 700; font-size: 0.82rem; padding: 10px 22px; }
.btn-review:hover { background: var(--color-primary-dark); }

.section-title-wrap { text-align: center; padding: 50px 24px 10px; }
.section-title-wrap h2 { font-size: 1.5rem; font-weight: 800; }

.page-hero { background: var(--color-surface); padding: 48px 24px; text-align: center; }
.page-hero h1 { font-size: 2.2rem; font-weight: 800; color: var(--color-primary); }

.content-wrap { max-width: 900px; margin: 0 auto; padding: 48px 24px; }
.content-wrap h2 { font-size: 1.4rem; margin: 28px 0 12px; }
.content-wrap p { color: var(--color-ink-soft); margin-bottom: 14px; }

.course-grid { max-width: 1200px; margin: 0 auto; padding: 0 24px 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.course-card { border: 1px solid var(--color-border); }
.course-card img { height: 180px; width: 100%; object-fit: cover; }
.course-body { padding: 18px; }
.course-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.course-body p { color: var(--color-ink-soft); font-size: 0.9rem; margin-bottom: 10px; }

.contact-form { max-width: 600px; margin: 0 auto; padding: 48px 24px; }
.contact-form label { display: block; font-weight: 700; margin: 14px 0 6px; font-size: 0.9rem; }
.contact-form input, .contact-form textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--color-border); font-size: 0.95rem; }
.contact-form button { margin-top: 20px; background: var(--color-primary); color: #fff; border: none; padding: 14px 32px; font-weight: 700; font-size: 1rem; cursor: pointer; }
.contact-info { max-width: 600px; margin: 0 auto 20px; padding: 0 24px; color: var(--color-ink-soft); }

.site-footer { background: #1E1E1E; color: #ccc; margin-top: 40px; }
.footer-nav-inner { max-width: 1200px; margin: 0 auto; padding: 48px 24px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.footer-inner { max-width: 900px; margin: 0 auto; padding: 24px; text-align: center; }
.footer-col h4 { color: #fff; margin-bottom: 14px; font-size: 0.95rem; }
.footer-col a { display: block; color: #aaa; padding: 5px 0; font-size: 0.88rem; }
.footer-col a:hover { color: #fff; }
.footer-logo { color: #fff; font-weight: 800; font-size: 1.1rem; display: block; margin-bottom: 10px; }
.footer-col p { color: #999; font-size: 0.85rem; }
.footer-bottom { border-top: 1px solid #444; text-align: center; padding: 18px; font-size: 0.82rem; color: #888; }

@media (max-width: 860px) {
  .who-wrap, .why-wrap { grid-template-columns: 1fr; }
  .stats-grid, .feature-grid, .product-grid, .course-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-nav-inner { grid-template-columns: 1fr 1fr; }
  .header-nav { order: 3; width: 100%; justify-content: center; flex-wrap: wrap; gap: 14px 20px; }
  .header-actions { width: 100%; justify-content: center; }
  .header-contact { display: none; }
}