:root {
  color-scheme: dark;
  --bg: #07120f;
  --panel: #10251e;
  --panel-2: #162d25;
  --text: #f4fff9;
  --muted: #aec2bb;
  --accent: #72d9c4;
  --accent-2: #cffff4;
  --border: rgba(207, 255, 244, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(114, 217, 196, 0.16), transparent 32rem),
    linear-gradient(145deg, #07120f 0%, #0d1c18 54%, #08110f 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.site-header,
.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 900;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, #fefdf8 0%, #72d9c4 68%);
  color: #07120f;
  font-weight: 1000;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-weight: 800;
}

.hero {
  max-width: 860px;
  padding: 48px 0 54px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 1000;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3.2rem, 9vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin: 32px 0 8px;
  font-size: 1.25rem;
  line-height: 1.2;
}

p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero p:not(.eyebrow) {
  max-width: 690px;
  margin-top: 24px;
  font-size: 1.25rem;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent);
  color: #07120f;
  padding: 0 20px;
  font-weight: 1000;
}

.button.secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.button:hover {
  text-decoration: none;
}

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

.feature-grid article,
.content-page {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(16, 37, 30, 0.78);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
}

.feature-grid article {
  padding: 24px;
}

.feature-grid h2 {
  margin-top: 0;
}

.content-page {
  max-width: 860px;
  padding: 32px;
}

.content-page h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
}

.updated {
  color: var(--accent-2);
  font-weight: 800;
}

@media (max-width: 760px) {
  main {
    width: min(100% - 24px, 1120px);
    padding-top: 24px;
  }

  .site-header,
  .content-header {
    align-items: flex-start;
    margin-bottom: 34px;
  }

  .hero {
    padding-top: 18px;
  }

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

  .content-page {
    padding: 24px;
  }
}