:root {
  color-scheme: light dark;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #eef2ff;
  --text: #172033;
  --muted: #5d6678;
  --primary: #ff6b35;
  --primary-strong: #db4f1f;
  --border: #dce3f2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101522;
    --surface: #1a2233;
    --surface-alt: #141b2a;
    --text: #eef3ff;
    --muted: #b8c0d4;
    --border: #2a344a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: inherit;
}

.container {
  width: min(70rem, 92vw);
  margin: 0 auto;
}

.hero {
  background: linear-gradient(150deg, var(--surface) 0%, var(--surface-alt) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-content {
  text-align: center;
  padding: 4.5rem 0 4rem;
}

.app-icon {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 1.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
}

.eyebrow {
  margin: 1rem 0 0.5rem;
  font-weight: 600;
  color: var(--muted);
}

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

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin-bottom: 0.75rem;
}

.hero-text {
  max-width: 40rem;
  margin: 0 auto 1.75rem;
  color: var(--muted);
}

.cta-row,
.store-links {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 0.7rem;
  padding: 0.7rem 1rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.btn-secondary {
  border-color: var(--border);
  background: transparent;
}

.section {
  padding: 3.75rem 0;
}

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.feature-card p,
.muted {
  color: var(--muted);
}

.footer {
  padding: 2rem 0 3rem;
  text-align: center;
}

@media (max-width: 40rem) {
  .hero-content {
    padding-top: 3.5rem;
  }
}