/*
 * Kit website — design tokens and styles.
 * Follows Kit's TUI design language: utilitarian, dark-first,
 * semantic colors only, minimal chrome.
 */

/* ── Tokens ────────────────────────────────────────────── */
:root {
  --black:       #0a0a0a;
  --near-black:  #171717;
  --dark-gray:   #262626;
  --mid-gray:    #404040;
  --gray:        #a1a1a1;
  --light-gray:  #d4d4d4;
  --off-white:   #fafafa;

  --blue:        #6cb6ff;
  --green:       #7ee787;
  --red:         #ff6467;
  --amber:       #ffb86a;

  --font-sans:   "Inter", system-ui, -apple-system, sans-serif;
  --font-mono:   "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--off-white);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: var(--near-black);
  padding: 0.15em 0.35em;
  border-radius: 0;
}

h1, h2, h3 {
  font-weight: 400;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.4rem; color: var(--light-gray); margin-bottom: 1.5rem; }
h3 { font-size: 1rem; }

.muted { color: var(--gray); font-size: 0.9rem; }

/* ── Header ────────────────────────────────────────────── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--dark-gray);
  position: sticky;
  top: 0;
  background: var(--black);
  z-index: 10;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 0.35em;
  color: var(--off-white);
}

.nav {
  display: flex;
  gap: 1.5rem;
}
.nav a {
  color: var(--gray);
  font-size: 0.9rem;
  transition: color 0.15s;
}
.nav a:hover { color: var(--off-white); text-decoration: none; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 5rem 1.5rem 3rem;
  max-width: 640px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero-sub {
  color: var(--light-gray);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.install-line {
  background: var(--near-black);
  border: 1px solid var(--dark-gray);
  display: inline-block;
  padding: 0.65rem 1.2rem;
  margin-bottom: 0.5rem;
}
.install-line code {
  background: none;
  font-size: 0.95rem;
  color: var(--green);
}

.install-note {
  color: var(--mid-gray);
  font-size: 0.85rem;
}
.install-note a { color: var(--gray); }

/* ── Sections ──────────────────────────────────────────── */
.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--dark-gray);
}

/* ── Feature cards ─────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--near-black);
  border: 1px solid var(--dark-gray);
  padding: 1.25rem;
}
.feature-card h3 {
  color: var(--blue);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.feature-card p {
  color: var(--light-gray);
  font-size: 0.9rem;
  line-height: 1.55;
}
.feature-card a { font-size: 0.9rem; }

/* ── Install ───────────────────────────────────────────── */
.install-block {
  background: var(--near-black);
  border: 1px solid var(--dark-gray);
  padding: 0.75rem 1.2rem;
  margin-bottom: 0.75rem;
}
.install-block code {
  background: none;
  color: var(--green);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── Usage table ───────────────────────────────────────── */
.usage-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}
.usage-table td {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--dark-gray);
  font-size: 0.9rem;
}
.usage-table td:first-child {
  width: 180px;
  color: var(--green);
  font-family: var(--font-mono);
}
.usage-table td:last-child {
  color: var(--light-gray);
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  text-align: center;
}
.footer-line {
  border-top: 1px solid var(--dark-gray);
  margin-bottom: 1.5rem;
}
.footer p {
  color: var(--mid-gray);
  font-size: 0.85rem;
}
.footer a { color: var(--gray); }
.sep { margin: 0 0.5rem; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  .hero { padding: 3rem 1rem 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .usage-table td:first-child { width: auto; padding-right: 1rem; }
  .header { flex-direction: column; gap: 0.5rem; }
}