/* Parchi Books — one stylesheet for every page. Colours mirror constants/theme.ts. */

:root {
  --bg: #efeff3;
  --surface: #ffffff;
  --text: #16211e;
  --text-2: #5c6664;
  --border: rgba(60, 60, 67, 0.12);
  --accent: #0e8578;
  --accent-strong: #12a594;
  --accent-tint: rgba(18, 165, 148, 0.12);
  --radius: 14px;
  --max: 68rem;
  --prose: 44rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0c0b;
    --surface: #15191a;
    --text: #f5f7f6;
    --text-2: #9ba3a1;
    --border: rgba(255, 255, 255, 0.1);
    --accent: #33c4ac;
    --accent-strong: #33c4ac;
    --accent-tint: rgba(51, 196, 172, 0.14);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--surface); padding: 8px 12px; z-index: 10;
}
.skip:focus { left: 16px; top: 12px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none; font-weight: 650; font-size: 1.05rem;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-nav { display: flex; gap: 4px 20px; flex-wrap: wrap; }
.site-nav a { color: var(--text-2); text-decoration: none; font-size: 0.95rem; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 72px; padding: 32px 0 48px; color: var(--text-2); font-size: 0.9rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 8px 20px; flex-wrap: wrap; }
.site-footer a { color: var(--text-2); }

/* Type */
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 2.75rem); margin: 0 0 12px; }
h2 { font-size: 1.4rem; margin: 48px 0 12px; }
h3 { font-size: 1.08rem; margin: 28px 0 8px; }
p, ul, ol { margin: 0 0 16px; }
li { margin-bottom: 6px; }
.lede { font-size: 1.15rem; color: var(--text-2); max-width: 38rem; }
.muted { color: var(--text-2); }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px; }

/* Legal / prose pages */
.prose { max-width: var(--prose); margin: 0 auto; padding: 48px 16px 0; }
.prose h2 { scroll-margin-top: 24px; padding-top: 8px; }
.meta { color: var(--text-2); font-size: 0.95rem; margin-bottom: 32px; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; margin: 24px 0;
}
.card > :last-child { margin-bottom: 0; }
.card.summary { border-left: 4px solid var(--accent-strong); }
.card h2:first-child, .card h3:first-child { margin-top: 0; }

.toc { font-size: 0.95rem; }
.toc ol { columns: 2 16rem; column-gap: 32px; padding-left: 20px; margin: 0; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--accent); }

.table-scroll { overflow-x: auto; margin: 16px 0 24px; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-2); font-weight: 600; font-size: 0.85rem; }
td:first-child { font-weight: 550; }

details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin: 10px 0; }
summary { cursor: pointer; padding: 16px 48px 16px 20px; font-weight: 600; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after {
  content: ""; position: absolute; right: 22px; top: 50%;
  width: 8px; height: 8px; margin-top: -6px;
  border-right: 2px solid var(--text-2); border-bottom: 2px solid var(--text-2);
  transform: rotate(45deg); transition: transform 0.15s;
}
details[open] > summary::after { transform: rotate(-135deg); margin-top: -2px; }
details > div { padding: 0 20px 4px; }

.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 40px; margin-bottom: 12px; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 1px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent-tint); color: var(--accent);
  font-size: 0.85rem; font-weight: 700; display: grid; place-items: center;
}

.button {
  display: inline-block; background: var(--accent-strong); color: #fff;
  padding: 12px 20px; border-radius: 999px; text-decoration: none; font-weight: 600;
}
.button:hover { filter: brightness(1.05); }
@media (prefers-color-scheme: dark) { :root .button { color: #06201c; } }

/* Landing page */
.hero { padding: 48px 0 56px; display: grid; gap: 24px; grid-template-columns: 1fr; align-items: center; }
.hero-icon { order: -1; width: 72px; height: 72px; border-radius: 17px; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18); }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-tint); color: var(--accent);
  padding: 6px 14px; border-radius: 999px; font-size: 0.9rem; font-weight: 600; margin-top: 8px;
}
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; }
.feature h3 { margin: 0 0 6px; }
.feature p { margin: 0; color: var(--text-2); font-size: 0.97rem; }
.feature svg { width: 26px; height: 26px; color: var(--accent); margin-bottom: 12px; }

.flow { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); margin-top: 24px; }
.flow .feature { border-top: 4px solid var(--accent-strong); }

@media (min-width: 860px) {
  .hero { grid-template-columns: 1fr auto; gap: 40px; padding-top: 72px; }
  .hero-icon { order: 0; width: 168px; height: 168px; border-radius: 38px; }
}

.spaced { margin-top: 20px; }