* { box-sizing: border-box; }
:root {
  --bg: #07111f;
  --panel: #0d1b2f;
  --text: #f4f8ff;
  --muted: #93a4bd;
  --line: rgba(255,255,255,.12);
  --blue: #2f80ff;
  --cyan: #28d7ff;
  --green: #34d399;
  --orange: #ff9f1c;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(47,128,255,.24), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(40,215,255,.18), transparent 30%),
    linear-gradient(180deg, #07111f 0%, #0a1526 60%, #07111f 100%);
}
a { color: inherit; text-decoration: none; }
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 72px;
  background: rgba(7,17,31,.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 22px; }
.brand img { width: 36px; height: 36px; }
.nav nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 15px; }
.nav-button {
  color: white;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
}
.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
  gap: 56px;
  align-items: center;
  padding: 88px 72px 70px;
}
.eyebrow {
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 13px;
  font-weight: 800;
  margin: 0 0 16px;
}
h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.055em;
}
.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: #b8c7dc;
  font-size: 19px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; margin-top: 34px; }
.primary, .secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 800;
}
.primary {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  box-shadow: 0 18px 40px rgba(47,128,255,.26);
}
.secondary {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: #dbe7f7;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 720px;
  margin-top: 42px;
}
.stats div, .cards article, .dashboard-card, .workflow, .cta {
  border: 1px solid var(--line);
  background: rgba(13,27,47,.72);
  box-shadow: 0 24px 70px rgba(0,0,0,.26);
}
.stats div { padding: 18px; border-radius: 18px; }
.stats strong { display: block; margin-bottom: 6px; }
.stats span { color: var(--muted); font-size: 14px; }
.dashboard-card {
  position: relative;
  border-radius: 28px;
  padding: 22px;
  min-height: 460px;
  overflow: hidden;
}
.dashboard-card:before {
  content: "";
  position: absolute;
  inset: -120px -80px auto auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(40,215,255,.36), transparent 68%);
}
.browser-bar {
  display: flex;
  gap: 8px;
  height: 36px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.28); }
.score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 32px 0 20px;
  padding: 24px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(47,128,255,.18), rgba(40,215,255,.08));
  border: 1px solid var(--line);
}
.score-row small, .metric-grid small { display: block; color: var(--muted); margin-bottom: 8px; }
.score-row strong { font-size: 68px; line-height: 1; }
.tag { padding: 9px 13px; border-radius: 999px; font-size: 13px; font-weight: 900; }
.hot { color: #111827; background: var(--orange); }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.metric-grid div, .profit-box {
  padding: 20px;
  border-radius: 18px;
  background: rgba(255,255,255,.055);
  border: 1px solid var(--line);
}
.metric-grid b { font-size: 20px; }
.profit-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
}
.profit-box span { color: var(--muted); }
.profit-box strong { color: var(--green); font-size: 34px; }
.section { padding: 84px 72px; }
.section h2 {
  margin: 0 0 30px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cards article { min-height: 220px; padding: 26px; border-radius: 24px; }
.cards h3 { margin: 0 0 12px; font-size: 22px; }
.cards p, .cta p { margin: 0; color: var(--muted); line-height: 1.75; }
.workflow {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 42px;
  margin: 0 72px;
  border-radius: 28px;
}
.workflow ol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
}
.workflow li {
  counter-increment: item;
  padding: 24px;
  border-radius: 18px;
  background: rgba(255,255,255,.055);
  border: 1px solid var(--line);
  color: #dbe7f7;
}
.workflow li:before {
  content: "0" counter(item);
  display: block;
  color: var(--cyan);
  font-weight: 900;
  margin-bottom: 14px;
}
.cta {
  max-width: calc(100% - 144px);
  margin: 84px auto;
  border-radius: 30px;
  text-align: center;
}
.cta .primary { margin-top: 30px; }
footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 72px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
@media (max-width: 920px) {
  .nav { padding: 0 22px; }
  .nav nav a:not(.nav-button) { display: none; }
  .hero { grid-template-columns: 1fr; padding: 56px 22px; }
  .dashboard-card { min-height: 420px; }
  .stats, .cards, .workflow, .workflow ol { grid-template-columns: 1fr; }
  .section { padding: 56px 22px; }
  .workflow { margin: 0 22px; }
  .cta { max-width: calc(100% - 44px); }
  footer { flex-direction: column; padding: 28px 22px; }
}