:root {
  --bg: #f7f4ec;
  --ink: #1f2a1f;
  --ink-soft: #3e5340;
  --surface: #fffdf7;
  --line: #d9d3bf;
  --accent: #0f766e;
  --accent-2: #b45309;
  --ok: #166534;
  --max: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 5%, #fff6df 0, transparent 35%),
    radial-gradient(circle at 85% 12%, #e8faf6 0, transparent 30%),
    var(--bg);
  line-height: 1.5;
}

.site-header,
main,
.site-footer {
  width: min(var(--max), 92vw);
  margin: 0 auto;
}

.site-header {
  padding: 1.2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
}

.brand {
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.2rem;
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  padding: 5.5rem 0 2rem;
}

.eyebrow {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  font-size: 0.85rem;
}

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

h1 {
  font-size: clamp(2rem, 4.6vw, 4rem);
  margin-top: 0.8rem;
  max-width: 14ch;
}

h1 span {
  color: var(--accent-2);
}

.hero-copy {
  max-width: 65ch;
  color: var(--ink-soft);
  margin: 1rem 0 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn-solid {
  background: var(--accent);
  color: #f8fffd;
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
}

.terminal {
  margin-top: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #12231e;
  color: #ecfff7;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 0.9rem;
  overflow-x: auto;
}

.terminal code {
  white-space: nowrap;
}

.copy {
  border: 1px solid #2f5c4f;
  border-radius: 8px;
  background: #1f3d34;
  color: #e4ffea;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
}

.panel {
  margin: 3rem 0;
  padding: 1.6rem;
  background: color-mix(in oklab, var(--surface) 85%, #ffffff);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.panel h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.grid article h3 {
  margin-bottom: 0.5rem;
}

.compare .bad {
  border-color: #e9cdb9;
}

.compare .good {
  border-color: #b8dfd8;
}

.label {
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0;
}

.big {
  font-size: 2rem;
  margin: 0.3rem 0 0.5rem;
  color: var(--accent-2);
}

.compare pre {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  background: #f6fbfa;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.8rem;
  overflow-x: auto;
}

.code-list .terminal {
  margin-top: 0.7rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  margin-right: 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 850px) {
  .three-up,
  .two-up {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
}