:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-muted: #eef2f6;
  --text: #17202a;
  --muted: #566579;
  --line: #d9e0e8;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-soft: #d9f3ee;
  --code: #26313d;
  --shadow: 0 18px 50px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

body {
  margin: 0;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 56px;
  padding: 56px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
}

h1 {
  max-width: 720px;
  font-size: clamp(2.55rem, 5vw, 5rem);
}

h2 {
  margin-bottom: 18px;
  font-size: 2rem;
}

h3 {
  margin: 28px 0 10px;
  font-size: 1.18rem;
}

p {
  margin: 0 0 16px;
}

.lead {
  max-width: 650px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.22rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  color: #ffffff;
  background: var(--accent-dark);
}

.button.secondary {
  color: var(--accent-dark);
  background: transparent;
}

.button.secondary:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.95rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
}

.preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.preview-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #b7c2ce;
}

.preview-body {
  padding: 24px;
}

/* .mock-button {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 9px 14px;
  border-radius: 7px;
  color: #ffffff;
  background: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
} */

.mock-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  margin-bottom: 24px;
  padding: 0 14px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  color: rgb(15, 23, 42);
  background: rgba(255, 255, 255, 0.92);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
}


.markdown {
  margin: 0;
  padding: 18px;
  border-radius: 8px;
  color: #f5f7f9;
  background: var(--code);
  overflow: auto;
  font: 0.9rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 176px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card h3 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
}

.content {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 76px;
}

.content h1 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4vw, 3.8rem);
}

.content h2 {
  margin-top: 44px;
}

.content ul {
  padding-left: 1.35rem;
}

.content li {
  margin: 0 0 8px;
}

.note {
  margin: 26px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .nav,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    padding: 16px 0;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 44px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}