:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #162033;
  --muted: #5f6d85;
  --line: #dbe3ef;
  --accent: #4f8cff;
  --accent-soft: #e9f1ff;
  --success: #2f9d67;
  --shadow: 0 18px 48px rgba(22, 32, 51, 0.08);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 140, 255, 0.14), transparent 32%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
}

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

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(246, 248, 251, 0.85);
  border-bottom: 1px solid rgba(219, 227, 239, 0.8);
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #74c5ff 0%, #4f8cff 58%, #8be0cb 100%);
  color: white;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
}

.nav .button {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--text);
  color: white;
}

.hero {
  padding: 72px 0 36px;
}

.hero-card,
.content-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(219, 227, 239, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  padding: 36px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

h1, h2, h3 {
  margin: 0 0 14px;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button.primary {
  background: var(--text);
  color: white;
}

.button.secondary {
  background: white;
  border-color: var(--line);
  color: var(--text);
}

.hero-side {
  display: grid;
  gap: 14px;
}

.feature-tile,
.info-block {
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(246,248,251,0.96) 100%);
  border: 1px solid var(--line);
}

.feature-tile strong,
.info-block strong {
  display: block;
  margin-bottom: 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 24px 0 0;
}

.page-section {
  padding: 24px 0 56px;
}

.content-card {
  padding: 32px;
}

.meta {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

ul {
  margin: 0 0 18px;
  padding-left: 20px;
  color: var(--muted);
}

li {
  margin-bottom: 10px;
  line-height: 1.65;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.footer {
  padding: 24px 0 48px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

  .site-header .shell {
    padding: 12px 0;
  }

  .nav {
    justify-content: flex-end;
  }
}