:root {
  --bg: #05080d;
  --panel: rgba(13, 21, 31, .82);
  --line: rgba(155, 255, 216, .16);
  --text: #ecfff8;
  --muted: #95aaa4;
  --green: #4dff9c;
  --cyan: #47dfff;
  --red: #ff5f6d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(77,255,156,.14), transparent 28%),
    radial-gradient(circle at 90% 24%, rgba(71,223,255,.12), transparent 25%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(5,8,13,.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; font-size: 22px; }
.brand-mark { width: 14px; height: 28px; border-radius: 999px; background: linear-gradient(180deg, var(--green), var(--cyan)); box-shadow: 0 0 28px rgba(77,255,156,.6); }
.site-nav nav { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 14px; }
.site-nav nav a:hover { color: var(--text); }
.nav-cta { color: #06110c; background: var(--green); padding: 9px 14px; border-radius: 10px; font-weight: 850; }

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 560px);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  padding: clamp(54px, 8vw, 110px) clamp(18px, 5vw, 72px) 42px;
}

.eyebrow { color: var(--green); text-transform: uppercase; font-size: 12px; font-weight: 900; margin-bottom: 12px; }
h1 { max-width: 780px; font-size: clamp(44px, 7vw, 86px); line-height: .98; margin-bottom: 24px; }
.lead { max-width: 650px; color: #bed0cb; font-size: clamp(18px, 2vw, 22px); line-height: 1.55; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--line); border-radius: 11px; color: var(--text); background: rgba(255,255,255,.04); font-weight: 850; }
.button.primary { color: #03120b; border-color: transparent; background: linear-gradient(135deg, var(--green), var(--cyan)); }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); }
.trust-row span { padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.035); }

.hero-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(14,22,32,.95), rgba(5,8,13,.92));
  box-shadow: 0 30px 100px rgba(0,0,0,.42);
}
.visual-top { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--muted); }
.visual-top span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.2); }
.visual-top span:first-child { background: var(--red); }
.visual-top b { margin-left: auto; font-size: 13px; }
.visual-body { display: grid; gap: 16px; padding: 18px; }
pre { margin: 0; overflow: auto; color: #dffdf2; background: #061019; border: 1px solid var(--line); border-radius: 12px; padding: 16px; line-height: 1.55; }
.decision-card { border: 1px solid rgba(77,255,156,.28); border-radius: 14px; padding: 16px; background: rgba(77,255,156,.06); }
.decision-card small { color: var(--muted); }
.decision-card strong { display: block; margin: 6px 0 12px; font-size: 32px; }
.meter { height: 9px; border-radius: 999px; background: rgba(255,255,255,.09); overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--cyan)); }
.category-list p { display: flex; justify-content: space-between; margin: 0; padding: 11px 0; border-bottom: 1px solid rgba(155,255,216,.1); }
.category-list span { color: var(--muted); }

.section { padding: 74px clamp(18px, 5vw, 72px); }
.section-head { max-width: 760px; margin-bottom: 26px; }
h2 { font-size: clamp(30px, 4vw, 52px); line-height: 1.05; margin-bottom: 14px; }
.muted, .section p { color: var(--muted); line-height: 1.6; }
.feature-grid, .pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.feature-grid article, .pricing-grid article, .final-cta {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  padding: 22px;
}
.feature-grid h3 { margin-bottom: 10px; }
.split { display: grid; grid-template-columns: minmax(0, .8fr) minmax(360px, 1fr); gap: 28px; align-items: center; }
.code-sample { min-height: 180px; }
.pricing-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.pricing-grid article { min-height: 170px; }
.pricing-grid .featured { border-color: rgba(77,255,156,.55); background: rgba(77,255,156,.08); }
.pricing-grid span { color: var(--muted); }
.pricing-grid strong { display: block; margin: 14px 0 10px; font-size: 30px; }
.final-cta { margin: 34px clamp(18px, 5vw, 72px) 72px; display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.final-cta h2 { margin-bottom: 0; }

@media (max-width: 980px) {
  .hero, .split, .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .site-nav { align-items: flex-start; }
  .site-nav nav { flex-wrap: wrap; justify-content: flex-end; }
  .final-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .site-nav { flex-direction: column; }
  .site-nav nav { justify-content: flex-start; }
  h1 { font-size: 42px; }
}