:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-border: rgba(18, 36, 64, 0.1);
  --text: #122440;
  --muted: #5a6a85;
  --accent: #0f6fff;
  --accent-strong: #094ec3;
  --shadow: 0 30px 60px rgba(15, 31, 61, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 111, 255, 0.14), transparent 24rem),
    radial-gradient(circle at top right, rgba(11, 77, 194, 0.16), transparent 20rem),
    linear-gradient(180deg, #f7faff 0%, var(--bg) 100%);
}

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

code {
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  background: rgba(15, 111, 255, 0.08);
  font-size: 0.95em;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 5rem;
}

.shell-narrow {
  width: min(860px, calc(100% - 2rem));
}

.hero {
  padding: 3rem;
  border: 1px solid var(--panel-border);
  border-radius: 32px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-compact {
  padding-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.5rem, 6vw, 4.75rem);
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.lede,
.panel p,
.card p,
.prose li,
.prose p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.lede {
  max-width: 58ch;
  margin: 1.25rem 0 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.button-secondary {
  color: var(--text);
  border-color: rgba(18, 36, 64, 0.14);
  background: rgba(255, 255, 255, 0.84);
}

.panel,
.card {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel {
  margin-top: 1.5rem;
  padding: 2rem;
  border-radius: 28px;
}

.feature-list,
.prose ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  padding: 1.6rem;
  border-radius: 24px;
}

.prose h2 {
  margin-top: 2rem;
}

.prose h2:first-child {
  margin-top: 0;
}

@media (max-width: 860px) {
  .shell {
    padding-top: 1.5rem;
  }

  .hero,
  .panel,
  .card {
    border-radius: 24px;
  }

  .hero {
    padding: 2rem;
  }

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