/* Orchard — landing page styles.
   Editorial / botanical direction: warm paper light theme, deep canopy dark theme,
   Fraunces display + Inter text, intentional rhythm, compositor-friendly motion. */

:root {
  /* Light "orchard at dawn" */
  --bg: oklch(97% 0.012 95);
  --bg-elevated: oklch(99% 0.008 95);
  --ink: oklch(24% 0.03 150);
  --ink-soft: oklch(44% 0.025 150);
  --accent: oklch(58% 0.15 150);          /* canopy green */
  --accent-2: oklch(72% 0.16 60);         /* ripe amber */
  --line: oklch(88% 0.02 95);
  --surface: oklch(99% 0.01 95);

  --text-base: clamp(1rem, 0.95rem + 0.35vw, 1.18rem);
  --text-hero: clamp(2.7rem, 1rem + 8vw, 7rem);
  --text-h2: clamp(1.8rem, 1.1rem + 2.6vw, 3.2rem);
  --space-section: clamp(4rem, 3rem + 6vw, 9rem);
  --maxw: 72rem;

  --radius: 18px;
  --duration: 320ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 1px 2px oklch(24% 0.03 150 / 0.06), 0 12px 40px oklch(24% 0.03 150 / 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: oklch(20% 0.025 155);
    --bg-elevated: oklch(24% 0.03 155);
    --ink: oklch(95% 0.015 95);
    --ink-soft: oklch(78% 0.02 95);
    --accent: oklch(74% 0.15 150);
    --accent-2: oklch(80% 0.15 65);
    --line: oklch(32% 0.03 155);
    --surface: oklch(25% 0.03 155);
    --shadow: 0 1px 2px oklch(0% 0 0 / 0.4), 0 16px 50px oklch(0% 0 0 / 0.45);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(120% 80% at 100% -10%, oklch(72% 0.16 60 / 0.10), transparent 60%),
    radial-gradient(100% 70% at -10% 0%, oklch(58% 0.15 150 / 0.12), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -999px;
}
.skip-link:focus {
  left: 1rem; top: 1rem;
  z-index: 10;
  background: var(--accent);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

/* ---------- header ---------- */
.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.4rem clamp(1.2rem, 4vw, 2.5rem);
}
.wordmark {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark .leaf { font-size: 1.15em; }
.site-head nav {
  display: flex;
  gap: clamp(0.6rem, 2vw, 1.6rem);
  align-items: center;
}
.site-head nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--duration) var(--ease-out-expo);
}
.site-head nav a:hover { color: var(--accent); }
.site-head nav a.ghost {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  color: var(--ink);
}
.site-head nav a.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- hero ---------- */
main { display: block; }
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 6rem) clamp(1.2rem, 4vw, 2.5rem) var(--space-section);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 1.2rem;
}
.hero h1 {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: var(--text-hero);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  max-width: 16ch;
}
.hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.lede {
  font-size: clamp(1.1rem, 0.95rem + 0.7vw, 1.5rem);
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 2.2rem;
}
.lede strong { color: var(--ink); font-weight: 600; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 3.5rem; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--duration) var(--ease-out-expo),
              box-shadow var(--duration) var(--ease-out-expo),
              border-color var(--duration) var(--ease-out-expo);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: oklch(99% 0.01 150);
}

.stat-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-band > div { background: var(--bg-elevated); padding: 1.4rem 1.6rem; }
.stat-band dt { font-size: 0.82rem; color: var(--ink-soft); letter-spacing: 0.02em; }
.stat-band dd {
  margin: 0.25rem 0 0;
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--accent);
}

/* ---------- pillars (bento) ---------- */
.pillars, .uses, .reality {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-section) clamp(1.2rem, 4vw, 2.5rem);
}
h2 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: var(--text-h2);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 2.5rem;
}
.pillar-grid {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.pillar {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
  overflow: hidden;
  transition: transform var(--duration) var(--ease-out-expo),
              box-shadow var(--duration) var(--ease-out-expo);
}
.pillar:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.pillar.feature {
  grid-row: span 2;
  background:
    linear-gradient(160deg, oklch(58% 0.15 150 / 0.10), transparent 55%),
    var(--bg-elevated);
}
.pillar.wide { grid-column: 1 / -1; }
.pillar .idx {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--accent-2);
  letter-spacing: 0.05em;
}
.pillar h3 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.35rem;
  margin: 0.5rem 0 0.7rem;
  letter-spacing: -0.01em;
}
.pillar p { margin: 0; color: var(--ink-soft); }

/* ---------- uses ---------- */
.use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.2rem;
}
.use {
  border-top: 3px solid var(--accent);
  padding: 1.4rem 0.2rem 0;
}
.use h3 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}
.use p { margin: 0; color: var(--ink-soft); }

/* ---------- reality ---------- */
.reality {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-bottom: var(--space-section);
}
.reality-list { margin: 0; padding-left: 1.2rem; display: grid; gap: 1rem; }
.reality-list li { color: var(--ink-soft); }
.reality-list strong { color: var(--ink); }

/* ---------- footer ---------- */
.site-foot {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem clamp(1.2rem, 4vw, 2.5rem) 4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}
.site-foot p { margin: 0.2rem 0; }
.site-foot .fine { font-size: 0.85rem; opacity: 0.8; }

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar.feature { grid-row: auto; }
  .site-head nav a:not(.ghost) { display: none; }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}