/* Digital Semiotics — site styles
   Colors and type follow the "Digital Semiotics redesign" design. */

:root {
  --yellow: #e3d64b;
  --yellow-deep: #d9cb3a;
  --paper: #f3f1ea;
  --card: #fbfaf6;
  --ink: #1d1b17;
  --ink-soft: #3f3b33;
  --muted: #6a655a;
  --rule: #2b2823;
  --rule-light: #d9d5c9;
  --dark: #1f1d19;
  --portrait: #e4e0d2;

  --sans: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --serif: "EB Garamond", Garamond, Georgia, serif;

  --wrap: 1200px;
  --gutter: 48px;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

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

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 4px; z-index: 10;
}
.skip-link:focus { left: 8px; }

/* ---------- Type ---------- */

h1, h2, h3, h4 { font-family: var(--sans); font-weight: 700; letter-spacing: -0.02em; margin: 0; }

.display { font-size: clamp(2.5rem, 5.2vw, 4.25rem); line-height: 1.02; letter-spacing: -0.035em; }
.h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); line-height: 1.05; letter-spacing: -0.03em; }
.h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.1; letter-spacing: -0.025em; }
.h3 { font-size: 1.25rem; line-height: 1.25; letter-spacing: -0.01em; }

.serif-title { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; }

.eyebrow {
  font-family: var(--sans); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 14px;
}

.lead { font-family: var(--serif); font-size: clamp(1.2rem, 1.7vw, 1.4rem); line-height: 1.5; margin: 22px 0 0; color: var(--ink); }

.prose { font-family: var(--serif); font-size: 1.2rem; line-height: 1.6; }
.prose p { margin: 0 0 1.1em; }

.small { font-size: 0.875rem; color: var(--muted); }

.text-link { font-weight: 600; font-size: 0.95rem; text-decoration: underline; }

/* ---------- Buttons, chips ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em;
  padding: 12px 22px; border-radius: 999px; border: 1.5px solid var(--ink);
  text-decoration: none; cursor: pointer; background: transparent; color: var(--ink);
  transition: background-color .15s, color .15s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; }
.btn--yellow { background: var(--yellow); border-color: var(--yellow); color: var(--ink); }
.btn--yellow:hover { background: #fff; border-color: #fff; color: var(--ink); }
.btn--on-dark { border-color: #fff; color: #fff; }
.btn--on-dark:hover { background: #fff; color: var(--ink); }
.btn--sm { padding: 8px 16px; font-size: 0.875rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.tag {
  display: inline-block; font-size: 0.78rem; font-weight: 600; line-height: 1;
  padding: 6px 10px; border-radius: 999px; border: 1.2px solid var(--ink); background: transparent;
}
.tag--fill { background: var(--yellow); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  font-family: var(--sans); font-size: 0.9rem; font-weight: 600; color: var(--ink);
  padding: 9px 16px; border-radius: 999px; border: 1.2px solid var(--ink);
  background: transparent; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--yellow); }
.chip:hover { background: rgba(227, 214, 75, .45); }

.filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.filter-label { font-weight: 600; font-size: 0.9rem; min-width: 64px; }

/* ---------- Cards ---------- */

.card {
  background: var(--card); border: 1.2px solid var(--rule); border-radius: var(--radius);
  padding: 28px;
}
.card--yellow { background: var(--yellow); }
.card--dark { background: var(--dark); color: #f3f1ea; border-color: var(--dark); }
.card--paper { background: var(--paper); }

/* ---------- Header ---------- */

.site-header { background: var(--yellow); border-bottom: 1.2px solid var(--rule); }
.site-header .wrap { display: flex; align-items: center; gap: 32px; min-height: 76px; }

.brand {
  display: inline-flex; align-items: center; gap: 12px; text-decoration: none;
  font-weight: 700; font-size: 1rem; letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap;
}
.brand svg { width: 28px; height: 28px; flex: none; }

.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 32px; }
.site-nav a { text-decoration: none; font-weight: 500; font-size: 1rem; padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { border-bottom-color: var(--ink); }

.header-cta { margin-left: 8px; }

/* ---------- Sections ---------- */

.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--yellow { background: var(--yellow); }
.section--dark { background: var(--dark); color: #f3f1ea; }
.section-rule {
  padding-top: 56px;
  background: linear-gradient(var(--rule), var(--rule)) no-repeat var(--gutter) 0 / calc(100% - 2 * var(--gutter)) 1.2px;
}

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 32px; }

.page-hero { padding: 72px 0 56px; }
.page-hero .lead { max-width: 640px; }

/* ---------- Home ---------- */

.hero { padding: 72px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: start; }
.hero .lead { max-width: 560px; }

.triad-card { background: var(--paper); }
.triad-card__head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1.2px solid var(--rule); }
.triad-card__head .eyebrow { margin: 0; }
.triad-card__head svg { width: 30px; height: 30px; }
.triad-list { margin: 0; }
.triad-row { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--rule-light); }
.triad-row dt { font-weight: 600; font-size: 0.95rem; }
.triad-row dd { margin: 0; font-family: var(--serif); font-size: 1.1rem; line-height: 1.35; }
.triad-card .text-link { display: inline-block; margin-top: 20px; font-size: 0.9rem; }

.feature-band { padding: 48px 0; }
.feature-band .wrap { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.feature-band .eyebrow { color: var(--yellow); }
.feature-band h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.6rem, 2.6vw, 2.2rem); line-height: 1.15; letter-spacing: -0.01em; }
.feature-band .byline { margin: 12px 0 0; font-size: 0.95rem; opacity: .85; }
.feature-band .btn-row { margin-top: 0; flex-wrap: nowrap; }

.note-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.note-card { display: flex; flex-direction: column; gap: 14px; text-decoration: none; transition: transform .15s; }
a.note-card:hover { transform: translateY(-2px); }
.note-card h3 { font-family: var(--serif); font-weight: 500; font-size: 1.55rem; line-height: 1.15; letter-spacing: -0.01em; }
.note-card p { margin: 0; font-size: 0.98rem; color: var(--ink-soft); }
.note-card .small { margin-top: auto; }

.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.problem-grid .prose { margin-top: 20px; }
.questions { list-style: none; margin: 0; padding: 0; counter-reset: q; }
.questions li { display: grid; grid-template-columns: 52px 1fr; padding: 22px 0; border-bottom: 1px solid var(--rule-light); counter-increment: q; }
.questions li:first-child { padding-top: 0; }
.questions li:last-child { border-bottom: 0; }
.questions li::before { content: counter(q); font-weight: 700; font-size: 1.4rem; }
.questions span { font-family: var(--serif); font-size: 1.25rem; line-height: 1.35; }

.strands { display: grid; grid-template-columns: repeat(4, 1fr); border: 1.2px solid var(--rule); border-radius: var(--radius); background: var(--card); overflow: hidden; }
.strand { padding: 28px; border-right: 1px solid var(--rule-light); }
.strand:last-child { border-right: 0; }
.strand .num { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; }
.strand h3 { margin: 10px 0 10px; }
.strand p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

.book-card { padding: 44px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
.book-card h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(2rem, 3.4vw, 2.75rem); line-height: 1.05; letter-spacing: -0.01em; }
.book-card p { font-size: 1.05rem; color: var(--ink-soft); }
.facts { margin: 0; border-top: 1.2px solid var(--rule); }
.facts div { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rule-light); }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pair .card { padding: 36px; }
.pair h2 { font-size: 1.75rem; letter-spacing: -0.02em; }
.pair p { margin: 14px 0 0; font-size: 1.02rem; }

.subscribe-form { margin-top: 22px; }
.subscribe-form label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.subscribe-form .row { display: flex; gap: 10px; }
.subscribe-form input {
  flex: 1; min-width: 0; font: inherit; font-size: 1rem; padding: 12px 14px;
  border: 1.2px solid var(--ink); border-radius: 4px; background: #fff; color: var(--ink);
}
.form-note { margin: 10px 0 0; font-size: 0.85rem; }

/* ---------- Footer ---------- */

.site-footer { background: var(--dark); color: #e9e6dc; padding: 56px 0 64px; margin-top: 0; }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer .brand-name { font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 12px; }
.site-footer p { margin: 0; max-width: 380px; font-size: 0.95rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: #fff; overflow-wrap: anywhere; }

/* ---------- Notes index ---------- */

.with-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; align-items: start; }
.sidebar { display: grid; gap: 24px; }
.sidebar .card { padding: 24px; }
.sidebar h2 { font-size: 1.3rem; letter-spacing: -0.015em; margin-bottom: 14px; }

.formats { margin: 0; }
.formats div { padding: 12px 0; border-bottom: 1px solid var(--rule-light); }
.formats div:first-child { padding-top: 0; }
.formats dt { font-weight: 600; }
.formats dd { margin: 2px 0 0; font-size: 0.93rem; color: var(--ink-soft); }

.featured { padding: 36px; margin-bottom: 8px; }
.featured h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.9rem, 3vw, 2.5rem); line-height: 1.1; letter-spacing: -0.01em; }
.featured p { font-size: 1.05rem; margin: 18px 0 0; }
.featured .byline { font-weight: 600; font-size: 0.92rem; margin-top: 16px; }
.featured a { text-decoration: none; }
.featured a:hover h2 { text-decoration: underline; text-decoration-thickness: 1px; }

.note-list { list-style: none; margin: 0; padding: 0; }
.note-item { padding: 26px 0; border-top: 1.2px solid var(--rule); }
.note-item .eyebrow { margin-bottom: 4px; }
.note-item .meta { font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 8px; }
.note-item h3 { font-family: var(--serif); font-weight: 500; font-size: 1.65rem; line-height: 1.15; letter-spacing: -0.01em; }
.note-item h3 a { text-decoration: none; }
.note-item h3 a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.note-item p { margin: 10px 0 0; color: var(--ink-soft); }
.note-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.empty-msg { padding: 26px 0; border-top: 1.2px solid var(--rule); color: var(--muted); }

/* ---------- Single note ---------- */

.note-head { padding: 56px 0 40px; border-bottom: 1.2px solid var(--rule); }
.note-head .back { font-weight: 600; font-size: 0.95rem; }
.note-head .tags { margin: 22px 0 18px; }
.note-head h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(2.4rem, 4.6vw, 3.6rem); line-height: 1.05; letter-spacing: -0.015em; max-width: 860px; }
.note-head .dek { font-family: var(--serif); font-style: italic; font-size: clamp(1.25rem, 1.9vw, 1.5rem); line-height: 1.45; margin: 20px 0 0; max-width: 760px; }
.note-head .byline { margin: 18px 0 0; font-size: 0.92rem; color: var(--ink-soft); }

.article { max-width: 680px; }
.article h2 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 1.6em 0 0.7em; }
.article .prose { font-size: 1.25rem; }

.interpretants { padding: 26px; margin: 8px 0 1.6em; }
.interpretants .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.interpretants .eyebrow { margin-bottom: 8px; }
.interpretants p { margin: 0; font-size: 0.98rem; }
.interpretants figcaption { margin-top: 20px; font-size: 0.88rem; color: var(--ink-soft); }

.sources { border-top: 1.2px solid var(--rule); padding-top: 24px; margin-top: 40px; }
.sources h2 { margin: 0 0 10px; font-size: 1.1rem; }
.sources p { margin: 0; font-size: 0.95rem; }

.responses { margin-top: 28px; }
.responses h2 { margin: 0 0 12px; font-size: 1.35rem; }
.responses p { margin: 0 0 18px; }

.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.prev-next a { display: block; text-decoration: none; padding: 20px; background: transparent; }
.prev-next .small { font-weight: 600; color: var(--ink-soft); }
.prev-next strong { display: block; margin-top: 6px; font-size: 1.05rem; }
.prev-next .next { text-align: right; }
.prev-next a:hover { background: var(--card); }

.key-terms dl { margin: 0; }
.key-terms dt { font-weight: 600; margin-top: 12px; }
.key-terms dt:first-child { margin-top: 0; }
.key-terms dd { margin: 2px 0 0; font-size: 0.95rem; }
.key-terms .text-link { display: inline-block; margin-top: 16px; font-size: 0.9rem; }

.related ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.related a { font-weight: 500; }
.related span { display: block; font-size: 0.9rem; color: var(--ink-soft); }

.cite-box p { font-size: 0.95rem; margin: 0 0 16px; overflow-wrap: anywhere; }

/* ---------- Framework ---------- */

.fw-hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 64px; align-items: end; }
.toc { background: var(--paper); padding: 24px 28px; }
.toc .eyebrow { margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.toc a { font-weight: 500; }

.propositions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.proposition .n { font-size: 1.9rem; font-weight: 700; }
.proposition h3 { margin: 14px 0 10px; font-size: 1.15rem; }
.proposition p { margin: 0; font-family: var(--serif); font-size: 1.08rem; line-height: 1.45; }

.intro-text { font-family: var(--serif); font-size: 1.25rem; line-height: 1.5; max-width: 720px; margin: 18px 0 36px; }

.levels { display: grid; grid-template-columns: repeat(3, 1fr); border: 1.2px solid var(--rule); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.level { padding: 32px 28px; }
.level--hl { background: var(--yellow); }
.level h3 { font-family: var(--serif); font-weight: 500; font-size: 1.6rem; line-height: 1.15; letter-spacing: -0.01em; margin-bottom: 14px; }
.level p { margin: 0 0 16px; font-size: 1rem; }
.level .case { font-size: 0.92rem; margin: 0; }

.apply-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 64px 1fr; gap: 8px; padding: 22px 0; border-top: 1.2px solid var(--rule); counter-increment: s; }
.steps li::before {
  content: counter(s); width: 40px; height: 40px; border-radius: 50%;
  background: var(--yellow); border: 1.2px solid var(--ink);
  display: grid; place-items: center; font-weight: 700;
}
.steps h3 { font-size: 1.2rem; margin-bottom: 4px; }
.steps p { margin: 0; color: var(--ink-soft); }

.glossary { display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; margin: 0; }
.glossary div { padding: 18px 0; border-top: 1px solid var(--rule-light); }
.glossary dt { font-weight: 700; font-size: 1.05rem; }
.glossary dd { margin: 4px 0 0; font-family: var(--serif); font-size: 1.12rem; line-height: 1.45; }

.cite-propose { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cite-propose .card { padding: 36px; }
.cite-propose h2 { font-size: 1.6rem; margin-bottom: 14px; }
.cite-propose p { margin: 0 0 12px; overflow-wrap: anywhere; }
.section-head { flex-wrap: wrap; }

/* ---------- Publications ---------- */

.pub-filters { border-top: 1.2px solid var(--rule); padding-top: 28px; margin-top: 36px; display: grid; gap: 14px; }
.pub-count { font-size: 0.9rem; color: var(--ink-soft); margin: 6px 0 0; }

.year-group { border-top: 1.2px solid var(--rule); padding-top: 32px; margin-top: 40px; display: grid; grid-template-columns: 160px 1fr; gap: 32px; }
.year-group h2 { font-size: 2.2rem; letter-spacing: -0.03em; }
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub { padding: 0 0 24px; margin-bottom: 24px; border-bottom: 1px solid var(--rule-light); }
.pub:last-child { border-bottom: 0; margin-bottom: 0; }
.pub .authors { font-size: 0.92rem; color: var(--ink-soft); margin: 0 0 6px; }
.pub h3 { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; line-height: 1.2; letter-spacing: -0.005em; }
.pub .venue { font-family: var(--serif); font-style: italic; font-size: 1.08rem; margin: 6px 0 12px; }
.pub .links { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; font-size: 0.92rem; }
.pub .links a { font-weight: 600; }

/* ---------- About ---------- */

.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.about-intro .prose { font-size: 1.15rem; }

.timeline { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 6px; right: 0; top: 7px; border-top: 1.5px solid var(--ink); }
.timeline li { position: relative; padding-top: 32px; }
.timeline li::before {
  content: ""; position: absolute; top: 0; left: 0; width: 15px; height: 15px; border-radius: 50%;
  background: var(--paper); border: 1.5px solid var(--ink);
}
.timeline li.now::before { background: var(--yellow); }
.timeline .year { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.03em; }
.timeline p { margin: 8px 0 0; font-size: 0.95rem; color: var(--ink-soft); }

.people { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.person { display: grid; grid-template-columns: 140px 1fr; gap: 24px; }
.portrait {
  background: var(--portrait); border-radius: 4px; aspect-ratio: 4 / 5; display: grid; place-items: center;
  font-size: 0.85rem; color: var(--ink-soft); overflow: hidden;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.person h3 { font-size: 1.35rem; }
.person .role { margin: 6px 0 10px; font-size: 0.92rem; color: var(--ink-soft); }
.person .bio { margin: 0 0 14px; font-family: var(--serif); font-size: 1.1rem; line-height: 1.4; }
.person .links { display: flex; flex-wrap: wrap; gap: 6px 16px; font-weight: 600; font-size: 0.9rem; }

.network { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.network .card { padding: 18px 20px; }
.network strong { display: block; }
.network span { font-size: 0.92rem; color: var(--ink-soft); }

.book-block { padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.book-block h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(2rem, 3.4vw, 2.75rem); line-height: 1.05; letter-spacing: -0.01em; }
.book-block p { font-size: 1.05rem; }
.chapters { background: var(--paper); padding: 22px 24px; }
.chapters ol { list-style: none; margin: 0; padding: 0; }
.chapters li { display: grid; grid-template-columns: 36px 1fr auto; gap: 8px; padding: 12px 0; border-top: 1px solid var(--rule-light); font-size: 1rem; }
.chapters li span:first-child { font-weight: 700; }
.chapters li span:last-child { font-size: 0.85rem; color: var(--ink-soft); }

.ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ways h3 { font-size: 1.25rem; margin-bottom: 10px; }
.ways p { margin: 0 0 12px; }
.ways .small { margin: 0; }

.cta-dark { margin-top: 24px; padding: 32px 36px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-dark p { margin: 0; font-size: 1.1rem; max-width: 560px; }

/* ---------- Utilities ---------- */

.mt-0 { margin-top: 0; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.stack-24 > * + * { margin-top: 24px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .note-cards, .propositions { grid-template-columns: repeat(2, 1fr); }
  .strands { grid-template-columns: repeat(2, 1fr); }
  .strand:nth-child(2) { border-right: 0; }
  .strand:nth-child(-n+2) { border-bottom: 1px solid var(--rule-light); }
  .with-sidebar { grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .timeline::before { display: none; }
  .people { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  :root { --gutter: 24px; }
  .site-header .wrap { flex-wrap: wrap; gap: 14px 24px; padding-top: 18px; padding-bottom: 18px; }
  .site-nav { margin-left: 0; order: 3; width: 100%; }
  .site-nav ul { gap: 24px; flex-wrap: wrap; }
  .header-cta { margin-left: auto; }

  .section { padding: 64px 0; }
  .hero-grid, .problem-grid, .book-card, .pair, .fw-hero-grid, .apply-grid,
  .cite-propose, .about-intro, .book-block, .with-sidebar { grid-template-columns: 1fr; gap: 32px; }
  .feature-band .wrap { grid-template-columns: 1fr; gap: 24px; }
  .feature-band .btn-row { flex-wrap: wrap; }
  .note-cards, .ways, .levels, .network { grid-template-columns: 1fr; }
  .levels .level + .level { border-top: 1px solid var(--rule-light); }
  .year-group { grid-template-columns: 1fr; gap: 16px; }
  .glossary { grid-template-columns: 1fr; }
  .interpretants .grid { grid-template-columns: 1fr 1fr; }
  .book-card, .book-block { padding: 32px 28px; }
  .cta-dark { flex-direction: column; align-items: flex-start; }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
  .site-footer .wrap > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .propositions, .strands { grid-template-columns: 1fr; }
  .strand { border-right: 0; border-bottom: 1px solid var(--rule-light); }
  .strand:last-child { border-bottom: 0; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .person { grid-template-columns: 1fr; }
  .person .portrait { max-width: 180px; }
  .subscribe-form .row { flex-direction: column; }
  .prev-next { grid-template-columns: 1fr; }
  .prev-next .next { text-align: left; }
  .card, .pair .card, .cite-propose .card, .featured { padding: 24px; }
  .triad-row { grid-template-columns: 100px 1fr; }
}

@media print {
  .site-header, .site-footer, .btn, .chip, .note-filters, .pub-filters { display: none !important; }
  body { background: #fff; }
}

/* Names of the two editors */
.hero-people { margin: 18px 0 0; font-size: 1rem; font-weight: 500; }
.hero-people a { font-weight: 700; }
.site-footer .footer-people { font-weight: 600; font-size: 1.05rem; margin: 0 0 10px; }
.site-footer .footer-people a { text-decoration: none; }
.site-footer .footer-people a:hover { text-decoration: underline; }

/* DOI shown after each reference */
.pub .venue .doi { font-family: var(--sans); font-style: normal; font-size: 0.85rem; color: var(--ink-soft); overflow-wrap: anywhere; }

/* Home: two new publications side by side in the dark band */
.feature-band .wrap.feature-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: stretch; }
.feature-item { display: flex; flex-direction: column; }
.feature-item + .feature-item { border-left: 1px solid rgba(243, 241, 234, .25); padding-left: 56px; }
.feature-item h2 { font-size: clamp(1.4rem, 2vw, 1.75rem); }
.feature-item .btn-row { margin-top: auto; padding-top: 24px; flex-wrap: wrap; }

/* Book subtitle */
.book-subtitle { font-family: var(--serif); font-style: italic; font-size: 1.3rem !important; line-height: 1.35; color: var(--ink) !important; margin: 10px 0 18px; }

@media (max-width: 860px) {
  .feature-band .wrap.feature-pair { grid-template-columns: 1fr; gap: 36px; }
  .feature-item + .feature-item { border-left: 0; padding-left: 0; border-top: 1px solid rgba(243, 241, 234, .25); padding-top: 32px; }
}