:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #e5e9f2;
  --surface: #ffffff;
  --soft: #f5f7fb;
  --accent: #635bff;
  --accent-dark: #4f46e5;
  --mint: #dff8ef;
  --mint-ink: #0f765d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--soft); line-height: 1.6; }
a { color: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { background: rgba(255,255,255,.9); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(14px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-size: 21px; font-weight: 850; letter-spacing: .08em; text-decoration: none; }
.nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; }
.nav a { text-decoration: none; }
.nav a:hover, .text-link:hover { color: var(--accent-dark); }
.hero { padding: 84px 0 62px; background: radial-gradient(circle at 80% 12%, #e5e1ff 0, #f7f8ff 32%, transparent 55%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.catalog-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.eyebrow { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: var(--mint); color: var(--mint-ink); font-weight: 750; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { font-size: clamp(44px, 7vw, 78px); margin: 22px 0 18px; }
h2 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 16px; }
h3 { font-size: 20px; margin: 0 0 9px; }
.lead { font-size: clamp(19px, 2.4vw, 25px); color: #36425a; max-width: 620px; margin: 0 0 28px; }
.muted { color: var(--muted); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 21px; border-radius: 12px; background: var(--accent); color: #fff; font-weight: 750; text-decoration: none; box-shadow: 0 10px 24px #635bff2b; transition: transform .18s ease, background .18s ease; }
.button:hover { background: var(--accent-dark); transform: translateY(-2px); }
.button.secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.button[hidden] { display: none; }
.product-card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 28px; box-shadow: 0 24px 70px #243b6814; }
.product-card[hidden] { display: none; }
.product-card.diamonds .product-icon { background: linear-gradient(135deg, #0891b2, #2563eb); }
.product-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 17px; background: linear-gradient(135deg, #756dff, #ad9dff); color: white; font-size: 28px; margin-bottom: 22px; }
.product-label { color: var(--muted); font-size: 14px; }
.product-price { font-size: 37px; font-weight: 850; letter-spacing: -.04em; margin: 8px 0 20px; }
.price-note { color: var(--muted); font-size: 14px; margin: -8px 0 18px; }
.checkout-disclosure { padding: 13px 15px; border-radius: 12px; background: #f0eeff; color: #4338a9; font-size: 14px; margin: 16px 0 0; }
.product-note { border-top: 1px solid var(--line); padding-top: 16px; color: var(--muted); font-size: 14px; }
.section { padding: 86px 0; }
.section.white { background: var(--surface); }
.section-head { max-width: 650px; margin-bottom: 34px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step, .info-card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.white .step, .white .info-card { background: var(--soft); }
.step-number { color: var(--accent); font-size: 13px; font-weight: 850; letter-spacing: .1em; }
.step p, .info-card p { color: var(--muted); margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.seller-details { display: grid; grid-template-columns: 130px 1fr; gap: 7px 16px; margin: 0; }
.seller-details dt { color: var(--muted); }
.seller-details dd { margin: 0; overflow-wrap: anywhere; }
.notice { padding: 15px 17px; border-radius: 12px; background: #fff7df; color: #765513; font-size: 14px; }
.seller-note { margin-top: 18px !important; }
.contact-note { margin-top: 20px !important; }
.legal-copy { max-width: 820px; padding: 60px 0 84px; }
.legal-copy h1 { font-size: clamp(38px, 5vw, 58px); margin: 0 0 14px; }
.legal-copy h2 { font-size: 26px; margin: 38px 0 10px; }
.legal-copy p, .legal-copy li { color: #465269; }
.legal-copy ul, .legal-copy ol { padding-left: 22px; }
.site-footer { padding: 30px 0; background: #172033; color: #c9d1e1; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; font-size: 13px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: #e9edf7; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

@media (max-width: 820px) {
  .hero-grid, .two-col { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding: 58px 0 42px; }
  .section { padding: 62px 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 64px; }
  .nav { gap: 11px; font-size: 12px; }
  .nav a:nth-child(2) { display: none; }
  h1 { font-size: 48px; }
  .steps { grid-template-columns: 1fr; }
  .product-card { padding: 22px; }
  .seller-details { grid-template-columns: 1fr; gap: 2px; }
  .seller-details dd { margin-bottom: 8px; }
}