:root {
  color-scheme: light;
  --line: #d7dce2;
  --ink: #101114;
  --muted: #5f6670;
  --soft: #f6f7f9;
  --accent: #0f62fe;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: #fff;
  line-height: 1.45;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
code { font-family: var(--mono); font-size: .95em; }

.shell { width: min(1120px, calc(100% - 28px)); margin: 0 auto; }
.skip-link { position:absolute; top:8px; left:8px; z-index:20; transform:translateY(-140%); padding:7px 10px; background:var(--ink); color:#fff; }
.skip-link:focus { transform:translateY(0); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 7px 14px;
  min-height: 48px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
}
.logo-link { display:inline-flex; align-items:center; width:52px; height:38px; }
.logo-link img { width:38px; height:38px; object-fit:contain; }
.nav { display:flex; justify-content:center; gap:16px; align-items:center; font-size:13px; white-space:nowrap; }
.pictiq-nav { display:flex; justify-content:center; gap:10px; align-items:center; }
.pictiq-nav a { display:grid; place-items:center; width:34px; height:34px; border:0; border-radius:6px; }
.pictiq-nav a:hover { background:var(--soft); }
.pictiq-nav img { width:28px; height:28px; object-fit:contain; }
.nav[hidden], .pictiq-nav[hidden] { display:none !important; }
.nav a, .text-actions a, .footer a { text-decoration:none; border-bottom:1px solid currentColor; font-weight:700; }
.language-mode { display:flex; gap:7px; align-items:center; justify-content:flex-end; min-width:78px; font-size:12px; color:var(--muted); }
.mode-button { display:inline-flex; align-items:center; justify-content:center; min-width:28px; min-height:28px; padding:2px 4px; border:0; border-radius:4px; background:transparent; color:var(--muted); font:700 12px var(--sans); cursor:pointer; }
.mode-button[aria-pressed="true"] { color:var(--ink); background:var(--soft); }
.mode-button:hover { color:var(--ink); }
.mode-button:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }
.mode-symbol img { width:23px; height:23px; object-fit:contain; }
.mode-english img { display:none; width:23px; height:23px; object-fit:contain; }
html[data-mode="pictiq"] .mode-en-label { display:none; }
html[data-mode="pictiq"] .mode-english img { display:block; }
.mode-view[hidden] { display:none !important; }
html[data-mode="pictiq"] #english-view, html[data-mode="pictiq"] .nav { display:none !important; }

.hero {
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(240px, 360px);
  gap: clamp(28px, 6vw, 74px);
  align-items:center;
  padding: clamp(36px, 7vw, 78px) 0;
  border-bottom:1px solid var(--line);
}
.hero-copy { min-width:0; max-width:720px; }
.eyebrow {
  margin:0 0 9px;
  color:var(--muted);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.09em;
  text-transform:uppercase;
}
h1, h2, h3, p { margin-top:0; }
h1 {
  margin-bottom:18px;
  font-size:clamp(38px, 5.4vw, 64px);
  line-height:.98;
  letter-spacing:-.055em;
  text-wrap:balance;
}
h2 { margin-bottom:14px; font-size:clamp(28px, 4vw, 48px); line-height:1.02; letter-spacing:-.045em; }
h3 { margin-bottom:8px; font-size:18px; line-height:1.15; letter-spacing:-.025em; }
p { color:var(--muted); }
.lead { max-width:680px; font-size:clamp(17px, 2vw, 22px); color:#25272b; }
.text-actions { display:flex; flex-wrap:wrap; gap:12px 18px; align-items:center; margin-top:18px; }
.cover-link { display:block; justify-self:end; width:min(100%, 340px); transition:transform .16s ease, box-shadow .16s ease; will-change:transform; }
.cover-link img { border:1px solid var(--line); background:#fff; }

.metrics {
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:1px;
  margin:24px 0 0;
  border:1px solid var(--line);
  background:var(--line);
}
.metrics div { background:#fff; padding:10px; }
.metrics dt { color:var(--muted); font-family:var(--mono); font-size:10px; letter-spacing:.05em; text-transform:uppercase; }
.metrics dd { margin:4px 0 0; font-weight:850; font-size:20px; letter-spacing:-.04em; }

.plain-section, .split-section { padding: clamp(34px, 6vw, 64px) 0; border-bottom:1px solid var(--line); }
.plain-section { display:grid; grid-template-columns:minmax(180px, .42fr) minmax(0, 1fr); gap:clamp(18px, 4vw, 48px); align-items:start; }
.plain-section > .eyebrow { grid-column:1; }
.plain-section > h2 { grid-column:2; }
.editorial-text { grid-column:2; max-width:760px; display:grid; gap:10px; }
.plain-section > .text-actions { grid-column:2; }
.split-section { display:grid; grid-template-columns:minmax(220px, .58fr) minmax(0, 1fr); gap:clamp(22px, 5vw, 60px); align-items:center; }
.section-copy { min-width:0; max-width:680px; }
.book-media { border:1px solid var(--line); background:var(--soft); padding:12px; }
.book-media img { width:min(260px, 100%); margin:0 auto; }

.composer-sample {
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  padding:12px;
  min-height:190px;
  display:grid;
  align-content:center;
  gap:12px;
  box-shadow:0 0 0 1px #edf4ff inset;
}
.composer-topline { color:var(--muted); font-size:13px; font-weight:800; }
.message-row { display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.sample-tile { width:82px; height:82px; display:grid; place-items:center; border:1px solid var(--line); border-radius:10px; background:var(--soft); }
.sample-tile img { width:64px; height:64px; object-fit:contain; }
.sample-caption { color:var(--muted); font-size:12px; }

.publications { display:block; }
.publications > h2 { max-width:760px; }
.publication-list { display:grid; gap:0; border-top:1px solid var(--line); margin-top:20px; }
.publication-list article { display:grid; grid-template-columns:minmax(0, 1fr) auto; gap:18px; align-items:center; padding:18px 0; border-bottom:1px solid var(--line); }
.publication-list .text-actions { margin-top:0; }

.footer { border-top:1px solid var(--line); background:#fff; }
.footer-inner { min-height:122px; padding:18px 0; display:grid; grid-template-columns:1fr auto; gap:14px 28px; align-items:start; }
.footer-brand { display:flex; gap:12px; align-items:center; font-size:13px; color:var(--muted); }
.footer-brand img { width:30px; height:30px; object-fit:contain; }
.footer nav { display:flex; gap:14px; flex-wrap:wrap; font-size:13px; justify-content:flex-end; }
.footer p { grid-column:1 / -1; max-width:760px; font-size:12px; }

.pictiq-hero { display:grid; grid-template-columns:minmax(0,1fr) minmax(240px,360px); gap:clamp(28px,6vw,74px); align-items:center; padding:clamp(36px,7vw,78px) 0; border-bottom:1px solid var(--line); }
.pictiq-copy { max-width:720px; }
.pictiq-statement { margin:0; }
.sequence { display:inline-flex; align-items:center; gap:clamp(8px,1.25vw,16px); flex-wrap:wrap; vertical-align:middle; }
.sequence img, .pictiq-secondary img, .symbol-actions img { display:block; object-fit:contain; }
.sequence-hero img { width:clamp(64px,8vw,80px); height:clamp(64px,8vw,80px); }
.sequence-section img { width:clamp(48px,6vw,64px); height:clamp(48px,6vw,64px); }
.sequence-article img { width:clamp(36px,4.5vw,48px); height:clamp(36px,4.5vw,48px); }
.pictiq-secondary { display:flex; flex-wrap:wrap; align-items:center; gap:clamp(7px,1vw,12px); margin-top:20px; }
.pictiq-secondary img { width:clamp(28px,3vw,36px); height:clamp(28px,3vw,36px); }
.symbol-actions { display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin-top:24px; }
.symbol-actions a { display:grid; place-items:center; width:44px; height:44px; border:1px solid var(--line); border-radius:8px; background:#fff; }
.symbol-actions a:hover { background:var(--soft); }
.symbol-actions img { width:32px; height:32px; }
.pictiq-section { padding:clamp(34px,6vw,64px) 0; border-bottom:1px solid var(--line); }
.pictiq-about { display:grid; grid-template-columns:minmax(180px,.42fr) minmax(0,1fr); gap:clamp(18px,4vw,48px); align-items:center; }
.pictiq-about .pictiq-secondary { margin-top:0; }
.pictiq-book, .pictiq-composer { display:grid; grid-template-columns:minmax(220px,.58fr) minmax(0,1fr); gap:clamp(22px,5vw,60px); align-items:center; }
.pictiq-composer .composer-sample { max-width:430px; justify-self:end; }
.pictiq-publications .publication-list { margin-top:28px; }
.pictiq-publications .publication-list article { grid-template-columns:minmax(0,1fr) auto; }
.pictiq-view .footer-brand img { width:34px; height:34px; object-fit:contain; }
.pictiq-view .footer nav a { display:grid; place-items:center; width:32px; height:32px; border:0; }
.pictiq-view .footer nav img { width:28px; height:28px; object-fit:contain; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.001ms !important; transition-duration:.001ms !important; animation-iteration-count:1 !important; }
  .book-tilt { transform:none !important; box-shadow:none !important; }
}
@media (max-width: 820px) {
  .topbar { position:static; grid-template-columns:auto 1fr; gap:10px; align-items:start; }
  .nav, .pictiq-nav { grid-column:1 / -1; justify-content:flex-start; flex-wrap:wrap; gap:8px 13px; }
  .language-mode { justify-self:end; }
  .hero, .pictiq-hero, .split-section, .plain-section, .pictiq-about, .pictiq-book, .pictiq-composer { grid-template-columns:1fr; }
  .cover-link { justify-self:start; width:min(100%, 300px); }
  .plain-section > .eyebrow, .plain-section > h2, .editorial-text, .plain-section > .text-actions { grid-column:1; }
  .publication-list article, .pictiq-publications .publication-list article { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr; }
  .footer nav { justify-content:flex-start; }
}
@media (max-width: 520px) {
  .shell { width:min(100% - 24px, 1120px); }
  .topbar { padding:7px 12px; }
  .nav { font-size:12px; }
  .hero-copy, .lead, .metrics { max-width:min(100%, 340px); }
  h1 { font-size:31px; line-height:1.04; letter-spacing:-.018em; text-wrap:auto; max-width:340px; }
  h2 { font-size:28px; }
  .lead { font-size:16px; }
  .metrics { grid-template-columns:1fr; }
  .sample-tile { width:72px; height:72px; }
  .sample-tile img { width:56px; height:56px; }
  .sequence-hero img { width:60px; height:60px; }
  .sequence-section img { width:44px; height:44px; }
  .sequence-article img { width:34px; height:34px; }
  .pictiq-hero .cover-link { width:min(100%, 230px); }
}

/* Pictiq mode: visual sentences set their own compact editorial rhythm. */
.pictiq-view .shell { width:min(960px, calc(100% - 40px)); }
.pictiq-hero {
  grid-template-columns:minmax(0, 1fr) minmax(270px, 320px);
  gap:clamp(34px, 5vw, 58px);
  padding:clamp(40px, 5vw, 58px) 0;
}
.pictiq-copy { display:grid; align-content:center; gap:18px; }
.pictiq-copy .pictiq-secondary,
.pictiq-copy .symbol-actions { margin-top:0; }
.sequence { gap:clamp(10px, 1.25vw, 16px); }
.sequence-hero img { width:clamp(72px, 6.7vw, 96px); height:clamp(72px, 6.7vw, 96px); }
.sequence-section img { width:clamp(56px, 5.3vw, 76px); height:clamp(56px, 5.3vw, 76px); }
.sequence-article img { width:clamp(42px, 3.8vw, 56px); height:clamp(42px, 3.8vw, 56px); }
.pictiq-secondary { gap:clamp(9px, 1vw, 14px); margin-top:16px; }
.pictiq-secondary img { width:clamp(44px, 3.8vw, 56px); height:clamp(44px, 3.8vw, 56px); }
.symbol-actions { gap:10px; margin-top:18px; }
.symbol-actions a { width:48px; height:48px; }
.symbol-actions img { width:36px; height:36px; }
.pictiq-section { padding:clamp(28px, 3.5vw, 42px) 0; }
.pictiq-about { display:flex; align-items:center; gap:clamp(24px, 4vw, 48px); }
.pictiq-book { grid-template-columns:minmax(220px, 280px) minmax(0, 1fr); gap:clamp(30px, 5vw, 54px); }
.pictiq-composer { grid-template-columns:minmax(0, 1fr) auto; gap:clamp(28px, 5vw, 52px); }
.pictiq-composer .composer-sample { min-height:0; width:210px; padding:10px; }
.pictiq-composer .sample-tile { width:76px; height:76px; }
.pictiq-composer .sample-tile img { width:60px; height:60px; }
.pictiq-publications { max-width:800px; }
.pictiq-publications .publication-list { margin-top:20px; }
.pictiq-publications .publication-list article { grid-template-columns:minmax(0, 1fr) auto; gap:20px; padding:14px 0; }
.pictiq-view .footer-inner { min-height:72px; padding:12px 0; align-items:center; }
.pictiq-view .footer-brand img { width:38px; height:38px; }
.pictiq-view .footer nav { gap:10px; }
.pictiq-view .footer nav a { width:36px; height:36px; }
.pictiq-view .footer nav img { width:32px; height:32px; }

@media (max-width: 820px) {
  .pictiq-view .shell { width:min(100% - 28px, 960px); }
  .pictiq-hero, .pictiq-book, .pictiq-composer { grid-template-columns:1fr; gap:28px; }
  .pictiq-hero .cover-link { justify-self:start; width:min(100%, 270px); }
  .pictiq-about { align-items:flex-start; flex-wrap:wrap; gap:16px 28px; }
  .pictiq-composer .composer-sample { justify-self:start; width:auto; }
}

@media (max-width: 520px) {
  .sequence-hero img { width:68px; height:68px; }
  .sequence-section img { width:54px; height:54px; }
  .sequence-article img { width:40px; height:40px; }
  .pictiq-secondary img { width:40px; height:40px; }
  .pictiq-section { padding:28px 0; }
}

/* Final Pictiq-only rhythm: sentence, response, action, then section. */
.pictiq-hero { grid-template-columns:minmax(0, 1fr) 280px; gap:48px; padding:36px 0; }
.pictiq-copy { gap:14px; }
.pictiq-copy .symbol-actions { margin-top:2px; }
.pictiq-section { padding:30px 0; }
.pictiq-about { min-height:0; }
.pictiq-book { grid-template-columns:250px minmax(0, 1fr); gap:42px; }
.pictiq-book .symbol-actions { margin-top:14px; }
.pictiq-composer { gap:36px; }
.pictiq-composer .symbol-actions { margin-top:14px; }
.pictiq-publications .publication-list { margin-top:14px; }
.pictiq-publications .publication-list article { gap:16px; padding:12px 0; }
.pictiq-view .footer-inner { min-height:56px; padding:9px 0; gap:10px 18px; }
@media (max-width: 820px) {
  .pictiq-hero, .pictiq-book, .pictiq-composer { gap:22px; }
  .pictiq-section { padding:24px 0; }
}