:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-accent: #ffffff;
  --panel: rgba(255, 255, 255, 0.84);
  --text: #111827;
  --muted: #5b6472;
  --line: rgba(15, 23, 42, 0.08);
  --link: #0a66ff;
  --link-soft: rgba(10, 102, 255, 0.08);
  --shadow: 0 24px 64px rgba(15, 23, 42, 0.08);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 24px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(10, 102, 255, 0.08), transparent 35%),
    linear-gradient(180deg, var(--bg-accent), var(--bg));
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
  outline: none;
}

code,
pre {
  font-family: "SFMono-Regular", SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;
}

.shell {
  width: min(100%, 840px);
  margin: 0 auto;
}

.panel {
  margin-top: 18px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  margin-top: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.6rem, 8vw, 4.8rem);
  line-height: 0.95;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  line-height: 1.05;
}

.lede,
.panel p {
  margin: 18px 0 0;
  max-width: 42rem;
  color: var(--muted);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(10, 102, 255, 0.14);
  border-radius: 999px;
  color: var(--link);
  background: var(--link-soft);
  font-weight: 600;
}

.button:hover,
.button:focus-visible {
  background: rgba(10, 102, 255, 0.14);
  text-decoration: none;
}

.steps,
.route-list {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.route-list li + li,
.steps li + li {
  margin-top: 10px;
}

.sample-block {
  margin: 20px 0 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  white-space: pre-wrap;
}

.route-badge {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--link-soft);
  color: var(--link);
  font-weight: 600;
}

.route-copy {
  font-size: 1.1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  padding: 24px 0 8px;
}

@media (max-width: 640px) {
  body {
    padding: 16px;
  }

  .panel {
    padding: 24px 20px;
  }

  .link-row {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}