:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --text: #111111;
  --muted: #666666;
  --line: #d8d8dc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header,
.site-footer,
.section-inner {
  width: min(100% - 32px, 1080px);
  margin: 0 auto;
}

.site-header {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.brand-link,
.site-nav a,
.button,
.site-footer a {
  font-weight: 650;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.hero-section {
  padding: 92px 0 68px;
}

.hero-inner {
  display: grid;
  gap: 20px;
}

.section-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(48px, 11vw, 104px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  max-width: 620px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  font-size: 20px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 680px;
  color: var(--muted);
  font-size: 22px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 0 16px;
  font-weight: 650;
  text-decoration: none;
}

.button-primary {
  background: #111111;
  border-color: #111111;
  color: #ffffff;
}

.intro-section,
.features-section,
.process-section,
.cta-section {
  padding: 54px 0;
  border-top: 1px solid var(--line);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.split-section > p,
.process-list {
  color: var(--muted);
  font-size: 18px;
}

.section-header {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.cta-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  display: grid;
  gap: 10px;
  padding: 20px;
}

.feature-card p,
.cta-panel p {
  color: var(--muted);
}

.process-list {
  margin: 0;
  padding-left: 22px;
}

.process-list li + li {
  margin-top: 8px;
}

.cta-panel {
  display: grid;
  gap: 14px;
  padding: 28px;
}

.site-footer {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 760px) {
  .site-header,
  .site-footer,
  .section-inner {
    width: min(100% - 24px, 1080px);
  }

  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 18px 0;
  }

  .hero-section {
    padding: 56px 0 44px;
  }

  .split-section,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .intro-section,
  .features-section,
  .process-section,
  .cta-section {
    padding: 40px 0;
  }
}