:root {
  color-scheme: dark;
  --ink: #071c1a;
  --surface: #102b2a;
  --raised: #163d3a;
  --cyan: #39d7c7;
  --amber: #f2c15d;
  --coral: #ff7a6b;
  --text: #f4fbf8;
  --muted: #b7d2cc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, #174641, var(--ink) 42%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: var(--cyan); }

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 800;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.hero {
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 40px;
  align-items: center;
  padding: 36px 0 84px;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 8vw, 96px);
  line-height: .92;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  color: var(--muted);
  font-size: 20px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 800;
}

.primary { background: var(--cyan); color: var(--ink); }
.secondary { background: rgba(255,255,255,.08); color: var(--text); border: 1px solid rgba(255,255,255,.14); }

.phone {
  background: linear-gradient(180deg, #123936, #071b19);
  border: 1px solid rgba(57,215,199,.24);
  border-radius: 28px;
  padding: 18px;
  box-shadow: 0 28px 80px rgba(0,0,0,.35);
}

.appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.pool-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px;
  padding: 16px;
  margin: 12px 0;
}

.score {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 900;
}

.pool-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.chip {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(242,193,93,.16);
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
  color: var(--muted);
}

.metrics strong {
  display: block;
  color: var(--text);
}

.section {
  padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature {
  background: rgba(16,43,42,.75);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px;
  padding: 20px;
}

footer {
  padding: 36px 0;
  color: var(--muted);
}

.legal {
  max-width: 760px;
  padding: 48px 0 80px;
}

@media (max-width: 760px) {
  header, nav { align-items: flex-start; }
  nav { flex-wrap: wrap; justify-content: flex-end; }
  .hero { grid-template-columns: 1fr; padding-top: 20px; }
  .grid { grid-template-columns: 1fr; }
  .phone { border-radius: 18px; }
}