:root {
  color-scheme: light;
  --ink: #161a1d;
  --muted: #61686c;
  --border: #eaeaeb;
  --blue: #3478f6;
  --blue-hover: #1f66e5;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

a:focus-visible {
  outline: 3px solid rgba(52, 120, 246, .6);
  outline-offset: 4px;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  padding: 32px 40px 24px;
}

.site-header, .site-footer { width: 100%; max-width: 1280px; margin-inline: auto; }

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.wordmark img { display: block; width: min(210px, 100%); height: auto; }

.hero {
  width: min(100%, 650px);
  margin: auto;
  padding-block: 88px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 600;
  letter-spacing: -.065em;
  line-height: 1.06;
}

.intro {
  max-width: 530px;
  margin: 24px auto 32px;
  color: var(--muted);
  font-size: 17px;
  letter-spacing: -.025em;
  line-height: 1.55;
}

.sign-in {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 0 21px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color .16s ease, transform .16s ease;
}

.sign-in:hover { background: var(--blue-hover); transform: translateY(-1px); }
.sign-in:active { transform: translateY(0); }
.sign-in svg { width: 18px; height: 18px; }

.supporting { margin: 16px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .page { padding: 22px 20px 20px; }
  .hero { padding-block: 64px; }
  .intro { font-size: 16px; }
  .site-footer { flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  .sign-in { transition: none; }
  .sign-in:hover { transform: none; }
}