/* Reading-focused refinement. Shared across the three demo pages. */
:root { --max: 1320px; --secondary: #56636e; }
[data-theme="dark"] { --secondary: #b4bec8; }
html.intro-seen .opening-intro { display: none; }
html.intro-seen .hero [data-arrive] { opacity: 1; transform: none; animation: none; }
html.intro-seen .hero.is-ready .sky-frame { animation: none; }

/* Keep the sky as the visual signature, with less space before the notes. */
.hero {
  min-height: 0; height: auto;
  padding: calc(var(--header-h) + 48px) clamp(24px, 5vw, 64px) 30px;
  background: none;
}
[data-theme="dark"] .hero { background: none; }
.hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  min-height: 0; height: auto; gap: 48px;
}
.hero-copy { padding: 12px 0; max-width: 600px; }
.identity { margin-bottom: 22px; font-size: 14px; }
.hero-kicker { font-size: 12px; margin-bottom: 14px; letter-spacing: .04em; }
.hero h1 { font-size: clamp(36px, 3.7vw, 52px); line-height: 1.45; letter-spacing: -.035em; }
.hero h1 span, .hero h1 em { padding: 0; transform: none; }
.hero h1 span, .hero h1 em,
[data-theme="dark"] .hero h1 span, [data-theme="dark"] .hero h1 em { background: none; box-shadow: none; }
.hero h1 em { margin-top: 0; }
.hero-lead { margin-top: 18px; font-size: 17px; line-height: 1.9; }
.hero-actions { margin-top: 24px; }
.paper-link { font-size: 14px; }
[data-theme="dark"] .paper-link--primary { color: #0d1318; }
.hero-stroke, .hero-word, .visual-stamp, .scroll-hint,
.featured-index, .scene-frame__label, .chapter::after { display: none; }
.hero-visual { width: 100%; margin-top: 0; }
.sky-frame { aspect-ratio: 1.4; }
.hero-visual figcaption { margin: 14px 3% 0; grid-template-columns: 1fr; gap: 5px; }
.hero-visual figcaption span { writing-mode: horizontal-tb; grid-row: auto; font-size: 12px; }
.hero-visual figcaption strong { font-size: 15px; }
.hero-latest {
  position: relative; inset: auto; margin-top: 32px;
  grid-template-columns: 150px 100px minmax(0, 1fr); gap: 16px; min-height: 58px;
}
.hero-latest .latest-label, .hero-latest time { font-size: 12px; }
.hero-latest a { font-size: 16px; padding-block: 16px; }

/* Give the article list more width than the accompanying image. */
.chapter {
  --scene-size: 420px;
  grid-template-columns: minmax(0, .72fr) minmax(0, 1fr);
  min-height: 0; gap: clamp(36px, 5vw, 72px);
  padding: 64px clamp(24px, 5vw, 64px);
}
.chapter--right { grid-template-columns: minmax(0, 1fr) minmax(0, .72fr); }
.chapter::before { transform: none; }
.scene { top: calc(var(--header-h) + 40px); }
.scene--articles { max-width: 400px; width: 100%; }
.scene-frame { aspect-ratio: 4 / 5; }
.scene-caption { margin: 16px 2% 0; }
.scene-caption p, .scene-counter { font-size: 12px; }
.chapter-copy { padding-top: 0; }
.section-heading { margin-bottom: 30px; }
.section-heading > p:first-child { font-size: 12px; margin-bottom: 12px; }
.section-heading h2 { font-size: clamp(30px, 3vw, 40px); line-height: 1.5; letter-spacing: -.025em; }
.section-rule { margin: 16px 0 14px; height: 1px; }
.section-rule span { display: none; }
.section-intro { font-size: 17px; line-height: 1.85; }
.featured-note { margin-bottom: 24px; padding-top: 20px; }
.featured-note .featured-note__label {
  top: -10px; margin: 0; font-size: 12px; line-height: 20px; color: var(--accent);
}
.featured-note a { padding: 16px 0 24px; }
.note-meta { font-size: 12px; margin-bottom: 14px; }
.featured-note h3 { font-size: clamp(24px, 2.2vw, 31px); line-height: 1.55; }
.featured-note p { font-size: 16px; margin-top: 14px; line-height: 1.85; }
.read-link { margin-top: 16px; font-size: 14px; }
.featured-demo-link { font-size: 13px; margin-bottom: 18px; }
.note-index a { min-height: 76px; }
.note-index time, .note-index span, .text-arrow span { font-size: 12px; }
.note-index strong { font-size: 18px; }
.text-arrow { margin-top: 18px; }
.project-screen { clip-path: none; transform: none; box-shadow: 0 12px 32px rgba(26, 34, 42, .12); }
.project-entry div > p:first-child, .project-entry li, .screen-bar b { font-size: 12px; }
.project-entry div > p:not(:first-child), .timeline p { font-size: 16px; }
.project-entry h3 { font-size: 24px; }
.project-entry a { padding-block: 24px; }
.timeline time, .journey-sky p, .email-link span { font-size: 12px; }
.ability-list span, .footer-links a { font-size: 14px; }
.journey-sky { min-height: 420px; }
.chapter--contact { min-height: 0; }
.contact-sky { max-width: 360px; margin-inline: auto; }
.contact-copy blockquote { margin-top: 40px; font-size: 30px; }
.email-link { margin-top: 28px; }
.easter-egg { font-size: 12px; }
.demo-footer span, .demo-footer p { font-size: 12px; }

/* Quiet supporting pages: readable metadata and a shorter archive opening. */
.article-hero { min-height: 0; padding-block: 48px; }
.article-hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
.article-hero::before { display: none; }
.article-hero h1 { font-size: clamp(36px, 4vw, 56px); }
.article-hero__index, .article-end__mark, .archive-hero__number { display: none; }
.article-cover::before { display: none; }
.article-back, .article-meta, .article-kicker, .article-toc > p,
.article-cover figcaption b, .article-wide-image figcaption b { font-size: 12px; }
.article-toc a { font-size: 14px; }
.archive-hero { min-height: 0; padding: 56px 48px 36px; max-width: 1200px; background: none; }
[data-theme="dark"] .archive-hero { background: none; }
.archive-hero h1 { font-size: clamp(40px, 5vw, 64px); line-height: 1.3; }
.archive-rule { margin: 20px 0; }
.archive-rule span { display: none; }
.archive-hero__copy > p:first-child { font-size: 12px; }
.archive-hero__copy > p:last-child { font-size: 17px; }
.archive-hero__meta { position: static; display: flex; flex-wrap: wrap; gap: 28px; margin-top: 26px; }
.archive-hero__meta span { font-size: 12px; display: flex; align-items: baseline; gap: 8px; }
.archive-hero__meta b { font-size: 24px; }
.archive-layout { padding-top: 48px; padding-bottom: 80px; gap: 48px; }
.archive-month { margin-bottom: 64px; }
.archive-aside > p, .archive-aside nav a, .archive-back,
.archive-month header p, .archive-month > header > b,
.archive-entry time span, .archive-entry div > p { font-size: 12px; }
.archive-entry div > span { font-size: 16px; }

@media (max-width: 1000px) and (min-width: 860px) {
  .hero-grid { gap: 28px; }
  .hero h1 { font-size: 36px; }
  .article-hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
}
@media (max-width: 859px) {
  .article-hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .article-hero { padding-block: 32px; }
  .article-hero h1 { font-size: clamp(30px, 7.8vw, 42px); }
  .hero { padding: calc(var(--header-h) + 30px) 22px 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(32px, 6vw, 44px); }
  .hero-lead { font-size: 16px; }
  .hero-visual { width: min(100%, 560px); margin-top: 0; }
  .sky-frame { aspect-ratio: 1.9; }
  .hero-latest { grid-template-columns: auto 1fr; margin-top: 26px; gap: 8px 16px; padding: 14px 0; }
  .hero-latest time { grid-column: 2; }
  .hero-latest a { grid-column: 1 / -1; grid-row: auto; padding: 0; }
  .chapter { display: flex; gap: 32px; padding: 44px 22px; }
  .scene { position: relative; top: auto; }
  .section-heading h2 { font-size: 30px; }
  .chapter--contact .chapter-copy { order: 1; }
  .chapter--contact .scene { order: 2; }
  .journey-sky { min-height: 340px; }
  .contact-sky { max-width: 280px; }
}
@media (max-width: 560px) {
  .hero, .chapter { padding-inline: 18px; }
  .identity { font-size: 13px; margin-bottom: 16px; }
  .hero-kicker { font-size: 12px; letter-spacing: 0; }
  .hero h1 { font-size: clamp(28px, 8vw, 38px); }
  .hero-actions { gap: 12px; }
  .paper-link { padding-inline: 12px; font-size: 14px; }
  .hero-visual figcaption span { display: none; }
  .note-meta { gap: 8px; }
  .note-meta span { padding-left: 8px; }
  .section-heading h2 { font-size: 28px; }
  .featured-note h3 { font-size: 24px; }
  .note-index strong { font-size: 17px; }
  .text-arrow { gap: 10px; }
  .project-entry h3 { font-size: 21px; }
  .archive-hero { padding: 34px 20px 28px; }
  .archive-hero h1 { font-size: 42px; }
  .archive-hero__meta { gap: 12px 20px; }
  .archive-hero__meta span { display: grid; gap: 2px; }
  .archive-layout { padding-top: 30px; }
  .archive-aside { margin-bottom: 36px; }
  .archive-month > header { grid-template-columns: 55px minmax(0, 1fr); }
  .archive-entry { gap: 10px; }
}