:root {
  color-scheme: light;
  --ink: #16201d;
  --muted: #56645f;
  --paper: #f6f3eb;
  --panel: #fffdf8;
  --line: #cfd7d2;
  --accent: #0d5f4e;
  --accent-dark: #073d33;
  --signal: #d7a52c;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 75% 5%, rgba(215, 165, 44, 0.16), transparent 28rem),
    var(--paper);
  line-height: 1.6;
}

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

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

.shell {
  width: min(70rem, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
  font-size: 0.92rem;
}

main {
  padding: clamp(3rem, 8vw, 7rem) 0;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 13ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 9vw, 6.6rem);
  font-weight: 500;
}

h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.lede {
  max-width: 45rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-block;
  padding: 0.78rem 1.05rem;
  border: 1px solid var(--accent);
  border-radius: 0.35rem;
  background: var(--accent);
  color: white;
  font-weight: 700;
  text-decoration: none;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 4rem;
}

.card,
.policy {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}

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

.policy {
  max-width: 52rem;
}

.policy h1 {
  max-width: none;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
}

.policy h2 {
  margin-top: 2.3rem;
}

code {
  padding: 0.12rem 0.3rem;
  border-radius: 0.25rem;
  background: #e4e9e6;
  color: var(--accent-dark);
}

.notice {
  margin-top: 3rem;
  padding-left: 1rem;
  border-left: 0.28rem solid var(--signal);
  color: var(--muted);
}

.demo-shell h1 {
  max-width: 15ch;
  font-size: clamp(2.7rem, 7vw, 5.2rem);
}

.demo-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 2rem 0 1rem;
}

.demo-controls button {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 0.35rem;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.demo-controls button:hover,
.demo-controls button[aria-current="step"] {
  background: var(--accent);
  color: white;
}

.demo-controls button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.demo-stage {
  min-height: 25rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--panel);
}

.demo-stage h2 {
  margin-bottom: 0.5rem;
}

.demo-status {
  color: var(--muted);
}

.demo-output {
  max-height: 31rem;
  overflow: auto;
  padding: 1rem;
  border-radius: 0.45rem;
  background: #111b18;
  color: #e8f1ed;
  font: 0.84rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}

footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 42rem) {
  header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

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