:root {
  color-scheme: light;
  --bg: #f4f6f7;
  --surface: #ffffff;
  --surface-soft: #eef2f3;
  --ink: #172026;
  --muted: #63717a;
  --line: #dce3e6;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --shadow: 0 18px 48px rgba(17, 24, 39, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 86% 8%, rgba(15, 118, 110, 0.12), transparent 28rem),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--accent);
  color: white;
  box-shadow: 0 9px 22px rgba(15, 118, 110, 0.24);
}

.beta-badge {
  padding: 7px 11px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero {
  max-width: 850px;
  padding: 96px 0 112px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
p { margin-top: 0; }

h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 16px;
  color: #3f4d55;
  font-size: clamp(19px, 2.5vw, 24px);
  line-height: 1.55;
}

.beta-copy {
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 16px;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(15, 118, 110, 0.22);
}

.primary-action:hover,
.primary-action:focus-visible { background: var(--accent-dark); }

.workflow {
  padding: 64px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.section-heading { max-width: 620px; }

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
}

.workflow-grid li {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
}

.workflow-grid span {
  display: block;
  margin-bottom: 32px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.workflow-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 17px;
}

.workflow-grid p,
.beta-note > p,
.contact-note p,
.legal-page section p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.beta-note {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 100px 0;
}

.contact-note {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.contact-note h2 { font-size: 22px; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 72px;
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer nav { display: flex; gap: 22px; }
footer a { text-underline-offset: 4px; }

.legal-page {
  max-width: 760px;
  padding: 80px 0 30px;
}

.legal-page h1 { font-size: clamp(42px, 7vw, 64px); }
.legal-updated { margin-bottom: 48px; color: var(--muted); }
.legal-page section { margin-bottom: 34px; }
.legal-page section h2 { font-size: 22px; }
.text-link { display: inline-block; margin-top: 20px; color: var(--accent-dark); font-weight: 800; }

@media (max-width: 820px) {
  .hero { padding: 70px 0 82px; }
  .workflow { padding: 34px 24px; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .beta-note { grid-template-columns: 1fr; gap: 12px; padding: 72px 0; }
}

@media (max-width: 520px) {
  .site-header, main, footer { width: min(100% - 28px, 1120px); }
  .workflow-grid { grid-template-columns: 1fr; }
  .workflow-grid li { min-height: auto; }
  footer { flex-direction: column; }
}