:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --accent: #0f172a;
  --accent-contrast: #ffffff;
  --radius: 10px;
  --max: 720px;
  --wide: 960px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.site-header__inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 8px 20px;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-header__brand:hover {
  text-decoration: none;
}

.site-header__logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.hero {
  padding: 48px 0 40px;
  max-width: var(--max);
}

.hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

.hero h1 {
  font-size: clamp(1.85rem, 3.6vw, 2.55rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 14px;
}

.hero__lead {
  font-size: 17px;
  color: var(--muted);
  margin: 0 0 24px;
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
  text-decoration: none;
  cursor: pointer;
}

.btn:hover {
  opacity: 0.92;
  text-decoration: none;
}

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

.btn--ghost:hover {
  border-color: var(--text);
}

.meta-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 56px;
  max-width: var(--wide);
}

.meta-row__cell {
  background: var(--surface);
  padding: 14px 16px;
}

.meta-row__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 3px;
}

.meta-row__value {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

.section {
  margin-bottom: 64px;
}

.section__kicker {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}

.section h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 34ch;
}

.section__intro {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 22px;
}

.grid-3 {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  background: var(--surface);
}

.card h3 {
  font-size: 16px;
  margin: 0 0 8px;
  font-weight: 600;
}

.card p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: var(--max);
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  min-width: 2.2em;
}

.step h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface);
}

.faq {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: var(--max);
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--surface);
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 24px 36px;
  max-width: var(--wide);
  margin: 0 auto;
  font-size: 14px;
  color: var(--muted);
}

.site-footer p {
  margin: 0 0 8px;
  max-width: 70ch;
}

@media (min-width: 900px) {
  .hero {
    padding-top: 56px;
  }
}
