:root {
  color-scheme: light;
  --bg: #fafaf9;
  --panel: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --accent: #1d4ed8;
  --accent-dark: #1e3a8a;
  --warm: #b45309;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 20px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 48px;
  align-items: start;
  padding: 72px 20px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 790px;
  margin-top: 14px;
  font-size: clamp(38px, 6vw, 60px);
  line-height: 1.03;
}

h2 {
  margin-top: 12px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
}

h3 {
  font-size: 21px;
  line-height: 1.25;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.lead {
  max-width: 720px;
  font-size: 20px;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  border: 1px solid #cbd5e1;
  background: white;
  color: var(--ink);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  padding: 24px;
}

.panel ul {
  padding-left: 20px;
}

.section {
  padding: 64px 0;
}

.section.white {
  background: var(--panel);
}

.section.dark {
  background: #0f172a;
  color: white;
}

.section.dark p,
.section.dark li {
  color: #cbd5e1;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: start;
}

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
}

.card .label {
  color: var(--warm);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 20px;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #dbeafe;
  color: var(--accent);
  font-weight: 800;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 32px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 820px) {
  .hero-grid,
  .split,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }
}