:root {
  color-scheme: light dark;
  --background: #071a17;
  --surface: #102824;
  --surface-soft: #17352f;
  --text: #f2f7f5;
  --muted: #b9cbc6;
  --accent: #70e1bd;
  --accent-dark: #08251d;
  --line: #2d4b44;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 0%, #1a5244 0, transparent 35rem),
    var(--background);
  line-height: 1.65;
}

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

.site-header,
main,
footer {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
}

.brand {
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(12rem, 22rem);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(5rem, 14vw, 10rem);
}

.app-icon {
  width: 100%;
  height: auto;
  border-radius: 24%;
  filter: drop-shadow(0 1.5rem 3rem rgb(0 0 0 / 35%));
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
}

h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.7rem, 8vw, 5.8rem);
  letter-spacing: -0.055em;
}

.intro {
  max-width: 42rem;
  margin-block: 1.5rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
}

.availability {
  display: inline-block;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--accent);
  font-weight: 800;
}

.features {
  padding-block: 2rem 7rem;
}

.features h2,
.legal-page h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.04em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.feature-grid article {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.feature-grid h3 {
  margin-top: 0;
}

.feature-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.legal-page {
  max-width: 50rem;
  padding-block: 4rem 7rem;
}

.legal-page h1 {
  max-width: none;
  margin-bottom: 2rem;
}

.legal-page h2 {
  margin-top: 2.5rem;
  font-size: 1.45rem;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer a {
  margin-left: auto;
  text-decoration: none;
}

footer a + a {
  margin-left: 0;
}

@media (max-width: 40rem) {
  .site-header {
    align-items: flex-start;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .app-icon {
    grid-row: 1;
    width: min(55vw, 14rem);
  }

  footer a {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}