:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050505;
  color: #f7f7f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 15%, rgba(42, 185, 94, 0.2), transparent 30rem),
    linear-gradient(145deg, #050505 0%, #151515 55%, #092415 100%);
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 104px;
  color: #d5d5ce;
  font-size: 15px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 96px);
  padding: 36px 0 80px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #72e891;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(56px, 12vw, 132px);
  line-height: 0.9;
}

.lede {
  max-width: 620px;
  margin: 28px 0 0;
  color: #d7d7d0;
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1.25;
}

.actions {
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid #67df87;
  border-radius: 8px;
  color: #07140b;
  background: #76f092;
  font-weight: 800;
  text-decoration: none;
}

.speed-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  aspect-ratio: 5 / 6;
  padding: 40px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background:
    radial-gradient(circle at 50% 32%, rgba(42, 185, 94, 0.12), transparent 60%),
    rgba(0, 0, 0, 0.54);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
}

.speed {
  font-size: clamp(104px, 18vw, 190px);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  line-height: 0.82;
}

.unit {
  color: #8b8b84;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.hud {
  padding: 3px 12px;
  border: 1px solid rgba(80, 232, 121, 0.4);
  border-radius: 999px;
  color: #50e879;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.policy {
  max-width: 760px;
  padding: 56px 0 96px;
}

.policy h1 {
  margin-bottom: 36px;
  font-size: clamp(44px, 8vw, 80px);
  line-height: 1;
}

.policy h2 {
  margin: 28px 0 10px;
  font-size: 22px;
}

.policy p {
  color: #deded7;
  font-size: 18px;
  line-height: 1.65;
}

@media (max-width: 900px) {
  .shell {
    width: min(100% - 48px, 1120px);
  }

  .nav {
    min-height: 84px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
    min-height: auto;
    padding: 18px 0 56px;
  }

  .eyebrow {
    margin-bottom: 10px;
    font-size: 12px;
  }

  h1 {
    font-size: clamp(58px, 18vw, 96px);
  }

  .lede {
    margin-top: 22px;
    font-size: clamp(24px, 6vw, 34px);
    line-height: 1.22;
  }

  .actions {
    margin-top: 28px;
  }

  .speed-preview {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    aspect-ratio: 4 / 3;
    gap: 8px;
    padding: 32px 20px;
  }

  .speed {
    font-size: clamp(112px, 34vw, 172px);
  }

  .unit {
    font-size: 26px;
  }
}