/* MeridianPDF user guide — extends styles.css */

.guide-main {
  padding: 48px 0 80px;
  background:
    radial-gradient(700px 360px at 12% 0%, rgba(255, 122, 69, 0.1), transparent 55%),
    var(--paper);
}

.guide-hero {
  max-width: 720px;
  margin-bottom: 36px;
}

.guide-hero .download-brand {
  margin-bottom: 8px;
}

.guide-hero h1 {
  font-family: "Syne", sans-serif;
  font-size: clamp(2rem, 4vw, 2.9rem);
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.guide-hero p {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 46ch;
}

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.guide-toc {
  position: sticky;
  top: 72px;
  padding: 16px 0;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.guide-toc h2 {
  font-family: "Syne", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.guide-toc ol {
  list-style: none;
  display: grid;
  gap: 2px;
}

.guide-toc a {
  display: block;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
}

.guide-toc a:hover,
.guide-toc a:focus-visible {
  background: rgba(20, 28, 36, 0.06);
  color: var(--ink);
}

.guide-chapters {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.guide-chapter {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 80px;
}

.guide-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.guide-chapter .chapter-num {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 8px;
}

.guide-chapter h2 {
  font-family: "Syne", sans-serif;
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.guide-chapter > .lead {
  color: var(--muted);
  margin-bottom: 18px;
  max-width: 52ch;
}

.guide-steps {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  counter-reset: step;
}

.guide-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  color: var(--ink-soft);
  line-height: 1.55;
}

.guide-steps li::before {
  counter-increment: step;
  content: counter(step);
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(232, 90, 66, 0.12);
  color: var(--coral);
  font-weight: 700;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.guide-steps kbd,
.guide-chapter kbd {
  font: 600 0.85em/1.2 "Figtree", system-ui, sans-serif;
  background: #e8eef2;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  color: var(--ink);
}

.guide-figure {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 28px rgba(20, 28, 36, 0.06);
}

.guide-figure img {
  width: 100%;
  height: auto;
  display: block;
  background: #f7f9fb;
}

.guide-figure figcaption {
  padding: 12px 14px 14px;
  font-size: 0.9rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(232, 238, 242, 0.45);
}

.guide-callout {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  background: rgba(15, 157, 138, 0.08);
  border-radius: 0 12px 12px 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.guide-more {
  margin-top: 12px;
}

.guide-more ul {
  margin: 10px 0 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  display: grid;
  gap: 6px;
}

.guide-cta {
  margin-top: 28px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.guide-cta p {
  flex: 1 1 220px;
  color: var(--muted);
  margin: 0;
}

@media (max-width: 900px) {
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .guide-toc {
    position: static;
    padding: 0 0 8px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 8px;
  }

  .guide-toc ol {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .guide-toc ol::-webkit-scrollbar { display: none; }

  .guide-toc a {
    white-space: nowrap;
    padding: 10px 12px;
    background: #fff;
    border: 1px solid var(--line);
  }

  .guide-main { padding: 36px 0 64px; }
}