:root {
    --navy: #081D4C;
    --blue-800: #123368;
    --blue-600: #22477F;
    --text-blue: #102F63;
    --gray-700: #454545;
    --surface: #ffffff;
    --surface-subtle: #f5f7fa;
    --border: #d8dee8;
    --radius: 18px;
    --shadow: 0 12px 30px rgba(8, 29, 76, .08);
}
* { box-sizing: border-box; }
html { font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif; color: #17233a; }
body { margin: 0; background: var(--surface); line-height: 1.55; }
a { color: var(--blue-600); }
a:focus-visible, button:focus-visible { outline: 3px solid #6aa4ff; outline-offset: 3px; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 20; background: white; padding: 10px 14px; }
.skip-link:focus { left: 12px; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); }
.header-inner { min-height: 74px; display: flex; gap: 24px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; gap: 10px; align-items: center; color: var(--navy); font-weight: 700; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--navy); color: white; letter-spacing: -.06em; }
nav { display: flex; gap: 22px; }
nav a { color: var(--gray-700); text-decoration: none; font-weight: 600; }
.header-actions, .button-row, .card-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.btn { min-height: 44px; padding: 10px 16px; border-radius: 10px; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; }
.btn-primary { background: var(--blue-600); color: white; }
.btn-secondary { border: 1px solid var(--blue-600); color: var(--blue-600); background: white; }
.btn-light { background: white; color: var(--navy); }
.btn-outline-light { color: white; border: 1px solid rgba(255,255,255,.7); }
.hero { background: linear-gradient(135deg, #081D4C 0%, #123368 55%, #22477F 100%); color: white; padding: 88px 0; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 54px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: 1.02; max-width: 850px; margin: 10px 0 22px; }
.lead { font-size: 1.2rem; max-width: 720px; }
.eyebrow { letter-spacing: .12em; font-size: .78rem; font-weight: 800; }
.eyebrow.dark { color: var(--text-blue); }
.hero-panel { min-height: 290px; border: 1px solid rgba(255,255,255,.28); border-radius: 24px; display: grid; place-items: center; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 28px; background: rgba(255,255,255,.06); }
.hero-panel span { width: 100%; aspect-ratio: 1; border-radius: 18px; display: grid; place-items: center; background: rgba(255,255,255,.12); font-weight: 800; }
.section, .page-hero { padding: 72px 0; }
.page-hero { background: var(--surface-subtle); }
.page-hero h1, .section h2 { color: var(--navy); }
.offer-grid, .product-grid, .steps { display: grid; gap: 22px; }
.offer-grid { grid-template-columns: repeat(2, 1fr); }
.product-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.steps { grid-template-columns: repeat(3, 1fr); }
.offer-card, .product-card, .steps article { border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; background: white; box-shadow: var(--shadow); }
.surface-subtle { background: var(--surface-subtle); }
.product-meta, .price { font-weight: 700; color: var(--text-blue); }
.notice { padding: 18px 20px; border: 1px solid #d3a33a; border-radius: 12px; background: #fff9e8; }
.checkout-ready { font-size: .9rem; color: #315c45; font-weight: 700; }
.site-footer { background: var(--navy); color: white; padding: 54px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 30px; }
.site-footer a { display: block; color: #dfe9ff; margin-top: 8px; }
@media (max-width: 900px) {
    nav, .header-actions { display: none; }
    .hero-grid, .offer-grid, .steps, .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 64px 0; }
}
@media (max-width: 500px) {
    .shell { width: min(100% - 28px, 1180px); }
    .button-row .btn { width: 100%; }
    .hero-panel { min-height: 180px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}