:root {
  color-scheme: light;
  --canvas: #f7fafa;
  --canvas-warm: #f4f0ea;
  --surface: #ffffff;
  --surface-subtle: #eff4f3;
  --line: #dbe7e4;
  --text: #16201f;
  --text-secondary: #51605d;
  --primary: #127c70;
  --primary-soft: #ddf0ec;
  --accent: #e8794b;
  --accent-soft: #fbede5;
  --shadow: 0 24px 70px rgba(16, 32, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 12%, var(--primary-soft), transparent 34rem),
    radial-gradient(circle at 88% 4%, var(--accent-soft), transparent 30rem),
    linear-gradient(135deg, var(--canvas), var(--canvas-warm));
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.site-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 24px;
}

.brand,
.nav-links,
.hero-actions,
.status-row,
.app-header,
.metric-grid {
  align-items: center;
  display: flex;
}

.brand {
  font-size: 18px;
  font-weight: 800;
  gap: 10px;
}

.brand-mark {
  align-items: center;
  background: var(--primary);
  border-radius: 14px;
  color: #ffffff;
  display: inline-flex;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.nav-links {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  gap: 20px;
}

.hero {
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  margin: 0 auto;
  max-width: 1120px;
  min-height: 680px;
  padding: 72px 24px 56px;
}

.hero-copy {
  align-self: center;
}

.eyebrow,
.app-kicker {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(44px, 7vw, 78px);
  letter-spacing: -0.07em;
  line-height: 0.9;
  margin-bottom: 24px;
}

.hero-text {
  color: var(--text-secondary);
  font-size: 20px;
  max-width: 620px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  padding: 14px 22px;
}

.button.primary {
  background: var(--primary);
  color: #ffffff;
}

.button.secondary {
  background: var(--primary-soft);
  color: var(--primary);
}

.phone-shell {
  align-self: center;
  background: #0b1413;
  border-radius: 44px;
  box-shadow: var(--shadow);
  margin: 0 auto;
  max-width: 390px;
  padding: 14px;
  width: 100%;
}

.phone-screen {
  background: var(--canvas);
  border-radius: 34px;
  min-height: 660px;
  overflow: hidden;
  padding: 18px;
}

.status-row {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  justify-content: space-between;
  margin-bottom: 28px;
}

.app-header {
  justify-content: space-between;
  gap: 12px;
}

.app-header h2 {
  font-size: 26px;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 0;
}

.readiness {
  background: var(--primary-soft);
  border-radius: 999px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  padding: 8px 12px;
}

.metric-grid {
  gap: 12px;
  margin: 24px 0;
}

.metric-grid article,
.workout-card,
.coach-card,
.feature-card,
.policy-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 1px 2px rgba(16, 32, 31, 0.06);
}

.metric-grid article {
  flex: 1;
  padding: 16px;
}

.metric-grid span,
.workout-card p,
.coach-card p,
.feature-card p,
.policy-card p,
.policy-card li {
  color: var(--text-secondary);
}

.metric-grid strong {
  display: block;
  font-size: 22px;
  margin-top: 4px;
}

.workout-card {
  display: flex;
  gap: 14px;
  padding: 18px;
}

.workout-line {
  background: var(--accent);
  border-radius: 999px;
  flex: 0 0 6px;
}

.workout-card h3 {
  margin-bottom: 6px;
}

.coach-card {
  background: var(--primary-soft);
  margin-top: 14px;
  padding: 18px;
}

.features {
  margin: 0 auto;
  max-width: 1120px;
  padding: 56px 24px 88px;
}

.features > h2 {
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.05em;
  line-height: 1;
  max-width: 720px;
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
}

.feature-card {
  padding: 22px;
}

.policy-page {
  margin: 0 auto;
  max-width: 880px;
  min-height: 620px;
  padding: 72px 24px;
}

.policy-card {
  padding: clamp(24px, 5vw, 48px);
}

.policy-card h1 {
  font-size: clamp(36px, 5vw, 56px);
}

.policy-note {
  margin-bottom: 0;
}

.site-footer {
  border-top: 1px solid rgba(22, 32, 31, 0.08);
  color: var(--text-secondary);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .hero,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 36px;
  }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer,
  .nav-links {
    align-items: flex-start;
    flex-direction: column;
  }

  .phone-screen {
    min-height: 600px;
  }
}