:root {
  color-scheme: light;
  --bg: #f8fbff;
  --surface: #ffffff;
  --surface-soft: #eff5ff;
  --text: #142033;
  --muted: #51617a;
  --primary: #2d67ff;
  --primary-strong: #1b4fd9;
  --border: #d8e2f3;
  --radius: 16px;
  --shadow: 0 10px 28px rgba(20, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background: radial-gradient(circle at top, #eef4ff 0%, var(--bg) 45%, #ffffff 100%);
  color: var(--text);
  line-height: 1.6;
}

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

a:hover {
  color: var(--primary-strong);
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(248, 251, 255, 0.86);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  font-weight: 750;
  font-size: 1.15rem;
  color: var(--text);
}

.nav nav {
  display: flex;
  gap: 1.1rem;
}

.nav nav a {
  font-weight: 600;
}

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0;
  color: var(--primary-strong);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.7rem;
}

h1 {
  font-size: clamp(2rem, 3.9vw, 3.35rem);
  margin-top: 0.5rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.2s ease;
}

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

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

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

.btn-secondary:hover {
  border-color: #c7d5ef;
  color: var(--text);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 8px);
  display: block;
}

.hero-card p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 42px 0;
}

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

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

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

.section-accent {
  background: linear-gradient(180deg, var(--surface-soft), #e7f0ff);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-accent p {
  max-width: 70ch;
  color: #2d3c53;
}

.policy {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 2vw, 1.7rem);
}

.policy h2 {
  margin-top: 1.4rem;
}

.policy-meta {
  color: var(--muted);
  margin: 0 0 1.2rem;
}

.policy ul {
  margin: 0.3rem 0 0.8rem;
  padding-left: 1.25rem;
}

.site-footer {
  padding: 24px 0;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.footer-row p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .nav {
    min-height: 58px;
  }

  .nav nav {
    gap: 0.75rem;
    font-size: 0.95rem;
  }
}