:root {
  color-scheme: dark;
  --background: #090d12;
  --surface: #111820;
  --surface-raised: #17212b;
  --border: #263441;
  --text: #f2f7f4;
  --muted: #9baca6;
  --accent: #33e39a;
  --accent-dark: #092f23;
  --danger: #ff8b8b;
  --focus: #8fffcf;
  --max-width: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 15% 0%, rgba(51, 227, 154, 0.11), transparent 30rem), var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.container { width: min(calc(100% - 2rem), var(--max-width)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(38, 52, 65, 0.8); background: rgba(9, 13, 18, 0.9); backdrop-filter: blur(16px); }
.nav-wrap, .footer-grid, .plan-heading { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.nav-wrap { min-height: 4.5rem; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--text); font-weight: 750; letter-spacing: -0.02em; text-decoration: none; }
.brand-mark { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; border-radius: 0.65rem; background: var(--accent); color: #06140f; font-size: 0.72rem; font-weight: 900; }
nav, .footer-grid div { display: flex; gap: 1.25rem; }
nav a, .footer-grid a { color: var(--muted); text-decoration: none; }
nav a:hover, .footer-grid a:hover { color: var(--text); }
.hero { padding: 7rem 0 5rem; }
.hero-grid, .boundary-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(17rem, 0.7fr); align-items: center; gap: 4rem; }
.eyebrow { margin: 0 0 0.8rem; color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 14ch; margin-bottom: 1.4rem; font-size: clamp(2.8rem, 7vw, 5.4rem); line-height: 0.98; letter-spacing: -0.055em; }
h2 { max-width: 22ch; margin-bottom: 2.2rem; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.08; letter-spacing: -0.04em; }
h3 { margin-bottom: 0.6rem; font-size: 1.12rem; }
.hero-copy { max-width: 41rem; color: var(--muted); font-size: clamp(1rem, 2vw, 1.25rem); }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 0.72rem; padding: 0.72rem 1.2rem; font: inherit; font-weight: 750; text-decoration: none; cursor: pointer; transition: transform 120ms ease, border-color 120ms ease, background 120ms ease; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button-primary { background: var(--accent); color: #06140f; }
.button-secondary { border-color: var(--border); background: var(--surface); color: var(--text); }
.button:disabled { cursor: not-allowed; opacity: 0.55; }
.full-width { width: 100%; }
.trust-card, .card, .price-card, .message-card { border: 1px solid var(--border); border-radius: 1.25rem; background: linear-gradient(145deg, rgba(23, 33, 43, 0.94), rgba(17, 24, 32, 0.94)); box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.18); }
.trust-card { padding: 1.7rem; }
.trust-title, .plan-name { margin-bottom: 0.55rem; font-weight: 800; }
.trust-card ul, .price-card ul { margin: 0; padding: 0; list-style: none; }
.trust-card li, .price-card li { position: relative; padding: 0.42rem 0 0.42rem 1.4rem; color: var(--muted); }
.trust-card li::before, .price-card li::before { position: absolute; left: 0; color: var(--accent); content: "✓"; }
.section { padding: 5.5rem 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.card { min-height: 14rem; padding: 1.5rem; }
.card p, .boundary-grid > p { color: var(--muted); }
.card-index { display: block; margin-bottom: 2.5rem; color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.78rem; }
.pricing { border-block: 1px solid var(--border); background: rgba(17, 24, 32, 0.45); }
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem; max-width: 58rem; }
.price-card { display: flex; flex-direction: column; gap: 1.5rem; padding: clamp(1.5rem, 4vw, 2.2rem); }
.price-card.highlighted { border-color: rgba(51, 227, 154, 0.65); }
.price { margin-bottom: 0; font-size: 2.35rem; font-weight: 850; letter-spacing: -0.04em; }
.price span { color: var(--muted); font-size: 0.86rem; font-weight: 500; letter-spacing: 0; }
.badge { border: 1px solid rgba(51, 227, 154, 0.45); border-radius: 999px; padding: 0.25rem 0.65rem; background: var(--accent-dark); color: var(--accent); font-size: 0.72rem; font-weight: 800; }
.checkout-form { display: grid; grid-template-columns: 1fr 6rem; gap: 0.55rem 0.8rem; margin-top: auto; }
.checkout-form label { color: var(--muted); font-size: 0.78rem; font-weight: 700; }
.checkout-form input { width: 100%; min-height: 2.9rem; border: 1px solid var(--border); border-radius: 0.65rem; padding: 0.65rem 0.75rem; background: var(--background); color: var(--text); font: inherit; }
.checkout-form .button, .form-status { grid-column: 1 / -1; }
.form-status, .payment-note { min-height: 1.4rem; margin: 0; color: var(--muted); font-size: 0.78rem; }
.form-status.error { color: var(--danger); }
.boundary-section { background: linear-gradient(180deg, transparent, rgba(51, 227, 154, 0.04)); }
.boundary-grid { align-items: start; }
footer { border-top: 1px solid var(--border); padding: 2rem 0; color: var(--muted); font-size: 0.88rem; }
.footer-grid p { margin: 0; }
.page-main { min-height: calc(100vh - 9rem); padding: 5rem 0; }
.message-card, .legal-content { max-width: 48rem; margin: 0 auto; padding: clamp(1.5rem, 5vw, 3rem); }
.message-card h1, .legal-content h1 { max-width: none; font-size: clamp(2.2rem, 6vw, 4rem); }
.message-card p, .legal-content p, .legal-content li { color: var(--muted); }
.license-panel { display: none; margin: 1.5rem 0; border: 1px solid rgba(51, 227, 154, 0.5); border-radius: 0.85rem; padding: 1.2rem; background: var(--accent-dark); }
.license-panel.visible { display: block; }
.license-value { display: block; overflow-wrap: anywhere; margin: 0.7rem 0 1rem; color: var(--text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1rem; }
.legal-content h2 { margin-top: 2.2rem; margin-bottom: 0.7rem; font-size: 1.35rem; letter-spacing: -0.02em; }
@media (max-width: 820px) {
  .hero-grid, .boundary-grid, .pricing-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { padding-top: 4.5rem; }
  nav a:not(:last-child) { display: none; }
}
@media (max-width: 520px) {
  .feature-grid, .checkout-form { grid-template-columns: 1fr; }
  .checkout-form .button, .form-status { grid-column: 1; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }