:root {
  color-scheme: dark;
  --bg: #070b0b;
  --panel: #0d1515;
  --panel-2: #111d1c;
  --line: rgba(157, 255, 211, 0.18);
  --text: #f4fff9;
  --muted: #a7beb6;
  --gold: #ffb13d;
  --green: #3dffae;
  --blue: #62b7ff;
  --danger: #ff7272;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  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;
  background:
    radial-gradient(circle at 18% 0%, rgba(61, 255, 174, 0.16), transparent 28rem),
    radial-gradient(circle at 85% 14%, rgba(255, 177, 61, 0.16), transparent 24rem),
    var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.hero { min-height: 92vh; padding: 22px clamp(18px, 4vw, 64px) 64px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(7, 11, 11, 0.72);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 14px;
  z-index: 3;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 900; line-height: 1.05; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--gold), var(--green)); }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #ff8f2e);
  color: #140b02;
  font-weight: 900;
  border: 0;
  box-shadow: 0 16px 32px rgba(255, 177, 61, 0.22);
}
.button-small { min-height: 40px; padding: 0 16px; font-size: 13px; }
.button-ghost { background: rgba(255, 255, 255, 0.04); color: var(--text); border: 1px solid var(--line); box-shadow: none; }
.text-link { color: var(--green); font-weight: 900; text-decoration: underline; text-underline-offset: 4px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(24px, 6vw, 80px);
  align-items: center;
  max-width: 1180px;
  margin: 92px auto 0;
}
.eyebrow { color: var(--green); font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(42px, 7vw, 84px); line-height: 0.94; letter-spacing: -0.06em; margin-bottom: 24px; }
h2 { font-size: clamp(28px, 4vw, 48px); line-height: 1; letter-spacing: -0.035em; }
.lead { color: #d8e7e2; font-size: clamp(18px, 2.2vw, 23px); line-height: 1.55; max-width: 780px; }
.hero-actions, .trust-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 28px; }
.trust-row span { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 13px; }
.product-card, .section, .price-card, .support-card, .steps article, .manual-grid article {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(17, 29, 28, 0.92), rgba(9, 16, 16, 0.92));
  box-shadow: var(--shadow);
}
.product-card { padding: 28px; min-height: 420px; display: flex; flex-direction: column; justify-content: end; }
.status-pill { width: max-content; padding: 8px 12px; border-radius: 999px; color: #03120c; background: var(--green); font-weight: 900; margin-bottom: auto; }
.clean-list { display: grid; gap: 14px; padding-left: 20px; color: #dcebe6; }
.section { max-width: 1180px; margin: 24px auto; padding: clamp(24px, 4vw, 48px); }
.section-title { max-width: 740px; margin-bottom: 28px; }
.steps, .manual-grid, .support-grid, .pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.steps article, .manual-grid article, .support-card, .price-card { padding: 22px; box-shadow: none; }
.steps span { color: var(--gold); font-weight: 1000; }
.steps p, .manual-grid p, .price-card p, .support-card p, .section p, .legal-box p { color: var(--muted); line-height: 1.65; }
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: center; }
.price-card strong { display: block; color: var(--gold); font-size: 22px; margin-bottom: 10px; }
.security-list { display: grid; gap: 12px; }
.security-list div { display: flex; justify-content: space-between; gap: 18px; padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 255, 255, 0.03); }
.security-list span { color: var(--muted); }
.accent { border-color: rgba(255, 177, 61, 0.38); background: linear-gradient(135deg, rgba(255, 177, 61, 0.12), rgba(61, 255, 174, 0.08)); }
.support-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.legal-box { border-color: rgba(255, 114, 114, 0.28); }
.checkout-page { max-width: 900px; }
.notice-card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  margin: 22px 0;
  border: 1px solid rgba(255, 177, 61, 0.42);
  border-radius: 18px;
  background: rgba(255, 177, 61, 0.08);
  color: #ffe5ba;
}
.notice-card.is-hidden { display: none; }
.notice-card.error { border-color: rgba(255, 114, 114, 0.48); background: rgba(255, 114, 114, 0.10); color: #ffd0d0; }
.notice-card.success { border-color: rgba(61, 255, 174, 0.42); background: rgba(61, 255, 174, 0.10); color: #d6ffec; }
.checkout-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.checkout-form label { display: grid; gap: 8px; color: #dbeee8; font-weight: 800; }
.checkout-form input, .checkout-form select {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  padding: 0 14px;
  font: inherit;
}
.checkout-form select option { background: #0d1515; }
.check-row { grid-column: 1 / -1; grid-template-columns: 20px 1fr !important; align-items: start; font-weight: 600 !important; color: var(--muted) !important; }
.check-row input { min-height: 20px; width: 20px; margin-top: 4px; }
.checkout-form button { width: max-content; }
.section-inline { margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line); }
.section-inline li { margin: 8px 0; color: var(--muted); }
.footer {
  max-width: 1180px;
  margin: 32px auto 64px;
  padding: 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
}
.footer-links { display: flex; gap: 16px; color: var(--text); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .steps, .manual-grid, .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .steps, .manual-grid, .pricing-grid { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .footer { flex-direction: column; }
  .checkout-form { grid-template-columns: 1fr; }
}