/* ==========================================================================
   Editorial principles site — starter
   All brand values live in :root. Replace them from references/brand.md.
   Sizes are written as "px at 1920" and scaled with --u (1px at 1920).
   ========================================================================== */

/* Fonts: embedded (David 2026-10-21: embed; Saol licence to be confirmed, trial accepted while not public). TTF/OTF served directly. */
@font-face { font-family: "Saol Display"; src: url("fonts/SaolDisplay-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Aeonik Pro"; src: url("fonts/AeonikPro-Roman-VF.ttf") format("truetype-variations"), url("fonts/AeonikPro-Roman-VF.ttf") format("truetype"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Aeonik Mono"; src: url("fonts/AeonikMonoTRIAL-Regular.otf") format("opentype"); font-weight: 400; font-display: swap; }

:root {
  --u: clamp(0.62px, calc(100vw / 1920), 1px);
  /* type — 4 sizes + label (brand.md): 240 / 72 / 32 / 16 + 11 */
  --font-sans:    "Aeonik Pro", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Saol Display", Georgia, "Times New Roman", serif;
  --font-mono:    "Aeonik Mono", "SF Mono", Menlo, "Courier New", monospace;
  --fs-hero:  calc(240 * var(--u) * var(--hero-k, 1));
  --fs-h1:    max(40px, calc(72 * var(--u)));
  --fs-h2:    max(22px, calc(32 * var(--u)));
  --fs-body:  max(15px, calc(16 * var(--u)));
  --fs-label: 11px;
  --lh-hero: 0.92;  --ls-hero: -0.045em;
  --lh-h1:   0.92;  --ls-h1:   -0.045em;
  --lh-h2:   1.0;   --ls-h2:   -0.01em;
  --lh-body: 1.25;  --ls-body: 0;
  --lh-label: 1.45; --ls-label: .04em;
  /* colour — FHV CD: black/white primary, Sunrise Red the single accent; dark = archive paper */
  --c-ink:    #000000;
  --c-paper:  #FFFFFF;
  --c-dark:   #121212;
  --c-light:  #F2F2F2;
  --c-mute:   #555555;
  --c-accent: #ED6E4C;
  --c-yellow: #FFDC5F; --c-blue: #9ACFF1; --c-lilac: #C0A1CC; --c-strip: #C9C9C9;
  --c-fg: var(--c-ink);
  --c-bg: var(--c-paper);
  /* grid — 12 / 8 / 4, margins 40, gutters 20 @1920, base 20 */
  --cols: 12;
  --margin: max(16px, calc(40 * var(--u)));
  --gutter: max(12px, calc(20 * var(--u)));
  --base: calc(var(--fs-body) * var(--lh-body));
  --rule: 1px solid currentColor;
  --s1: var(--base); --s2: calc(var(--base) * 2); --s4: calc(var(--base) * 4); --s8: calc(var(--base) * 8); --s12: calc(var(--base) * 12);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (max-width: 1024px) { :root { --cols: 8; } }
@media (max-width: 640px)  { :root { --cols: 4; --fs-h1: 28px; } } /* 4 columns: the number scales down so 2 × number still fits a single long word */

/* alternative expression ("crazy mode") — one class re-themes everything */
/* Register switch ("alt mode"): Archive register = dark paper everywhere; sections invert */
html.mode-alt { --c-paper: #121212; --c-ink: #F2F2F2; --c-mute: #9A9A9A; --c-dark: #FFFFFF; --c-light: #000000; }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  color: var(--c-fg);
  background: var(--c-bg);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  transition: background-color .25s, color .25s;
}
h1, h2, h3, p, ol, ul, figure, dl, dd { margin: 0; padding: 0; }
ol, ul { list-style: none; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .2em; text-decoration-thickness: 1px; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 1px solid currentColor; outline-offset: 3px; }
::selection { background: var(--c-accent); color: var(--c-ink); }

h1, h2, h3 { font-weight: 400; text-wrap: balance; }
p { text-wrap: pretty; hanging-punctuation: first; }

/* ---------- grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  column-gap: var(--gutter);
  padding-inline: var(--margin);
}

/* ---------- type roles ---------- */
.t-hero  { font-family: var(--font-display); font-size: var(--fs-hero); line-height: var(--lh-hero); letter-spacing: var(--ls-hero); text-transform: uppercase; }
.t-h1    { font-family: var(--font-display); font-size: var(--fs-h1);   line-height: var(--lh-h1);   letter-spacing: var(--ls-h1); }
.t-h2    { font-size: var(--fs-h2); line-height: var(--lh-h2); letter-spacing: var(--ls-h2); font-weight: 500; }
.t-display { font-family: var(--font-display); text-transform: uppercase; font-weight: 400; }
.t-label { font-family: var(--font-mono); font-size: var(--fs-label); line-height: var(--lh-label); letter-spacing: var(--ls-label); }
.t-caps  { text-transform: uppercase; }
.t-mute  { color: var(--c-mute); }
.measure { max-width: 44ch; }

/* ---------- sections ---------- */
.section { border-top: var(--rule); padding-block: var(--s1) var(--s8); }
.section--dark  { --c-fg: var(--c-light); background: var(--c-dark); color: var(--c-fg); -webkit-font-smoothing: antialiased; }
.section--dark .t-mute { color: #9A9A9A; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--c-bg);
  padding-block: 12px;
  border-bottom: var(--rule);
  align-items: center;
  transition: background-color .25s;
}
.site-header > * { white-space: nowrap; }
.site-header .brand { grid-column: 1 / span 2; display: flex; align-items: center; gap: 6px; }
.site-header .brand::before { content: ""; width: .8em; height: .8em; background: var(--c-accent); }
.site-header .crumbs  { grid-column: 3 / span 5; }
.site-header .toggles { grid-column: 8 / span 3; display: flex; gap: calc(var(--gutter) * 2); }
.site-header .meta    { grid-column: 11 / -1; text-align: right; }
@media (max-width: 1600px) { .site-header .meta__long { display: none; } }
@media (max-width: 1280px) {
  .site-header .crumbs { display: none; }
  .site-header .toggles { grid-column: 3 / span 4; }
  .site-header .meta { grid-column: 7 / -1; }
}
@media (max-width: 1024px) {
  .site-header > * { white-space: normal; }
  .site-header .toggles { gap: var(--gutter); flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .site-header { row-gap: 8px; }
  .site-header .brand { grid-column: 1 / -1; }
  .site-header .toggles { grid-column: 1 / -1; justify-content: flex-start; gap: var(--gutter); }
  .site-header .meta { display: none; }
}

/* on/off pill toggle */
.toggle { display: inline-flex; align-items: center; gap: 4px; }
.toggle button { border: 1px solid currentColor; border-radius: 999px; padding: 1px 7px; line-height: 1.3; }
.toggle button[aria-pressed="true"] { background: currentColor; }
.toggle button[aria-pressed="true"] span { color: var(--c-bg); }

/* ---------- hero ----------
   Obys anatomy: intro sentence (cols 1–5) · block on exact columns (11–12) · label hanging from a rule ·
   ONE giant word margin to margin (fitted to all columns) · lockup row hanging from a rule: subline (cols 1–6) + meta (cols 7–12). */
.hero { padding-top: var(--s4); row-gap: 0; }
.hero__intro { grid-column: 1 / -1; grid-row: 1; padding-bottom: var(--s2); position: relative; --indent: calc(4 * (100% - 11 * var(--gutter)) / 12 + 4 * var(--gutter)); }
/* statement (Obys notes style): big text, first line offset by 4 columns, a small label hanging left of the first line, key phrases underscored */
.statement { font-family: var(--font-sans); font-weight: 400; font-size: var(--fs-h1); line-height: calc(var(--base) * 4); letter-spacing: var(--ls-h1); text-indent: var(--indent); margin: 0; text-wrap: pretty; }
.statement u { text-decoration-thickness: .035em; text-underline-offset: .12em; }
.statement__lbl { position: absolute; left: calc(var(--indent) - 12px); transform: translateX(-100%); top: calc(var(--base) * 1.5); text-indent: 0; }
@media (max-width: 1024px) { .hero__intro { --indent: calc(2 * (100% - 7 * var(--gutter)) / 8 + 2 * var(--gutter)); } .statement { font-size: var(--fs-h2); line-height: calc(var(--base) * 2); } .statement__lbl { top: calc(var(--base) * .4); } }
@media (max-width: 640px) { .hero__intro { --indent: calc((100% - 3 * var(--gutter)) / 4 + var(--gutter)); } }
.hero__block { grid-column: 11 / -1; grid-row: 1; aspect-ratio: 1; align-self: start; display: block; color: currentColor; margin-bottom: var(--s2); } /* air under the F before the rule (David) */
.hero__block img { width: 100%; height: 100%; display: block; }
.hero__label { grid-column: 1 / -1; grid-row: 2; border-top: var(--rule); padding-top: 8px; }
/* Obys "OTHERS / 04" lockup: headline on columns 1–9 (smaller), subline right-aligned on columns 10–12, one rule under both */
.hero__title { grid-column: 1 / -1; grid-row: 3; display: grid; grid-template-columns: subgrid; align-items: last baseline; padding-top: var(--s2); border-bottom: 1px solid currentColor; padding-bottom: 10px; }
.hero__word { grid-column: 1 / span 9; display: block; white-space: nowrap; line-height: 1; }
.hero__sub { grid-column: 10 / -1; text-align: right; }
.hero__lockup { grid-column: 1 / -1; grid-row: 4; display: grid; grid-template-columns: subgrid; padding-top: 8px; }
.hero__meta { grid-column: 1 / span 6; }
.hero__foot { grid-column: 1 / -1; grid-row: 5; display: flex; justify-content: space-between; padding-top: var(--s2); }
@media (max-width: 1024px) { .hero__word { grid-column: 1 / -1; } .hero__sub { grid-column: 1 / -1; text-align: left; padding-top: 8px; } .hero__meta { grid-column: 1 / -1; } }
@media (max-width: 640px) { .hero__intro { grid-column: 1 / -1; } .hero__block { grid-column: 3 / -1; grid-row: 1; align-self: start; margin-top: 0; } .hero__intro { grid-row: 2; padding-top: var(--s1); } .hero__label { grid-row: 3; } .hero__title { grid-row: 4; } .hero__lockup { grid-row: 5; } .hero__foot { grid-row: 6; } }

/* ---------- index (chapter overview) ---------- */
.index { padding-block: var(--s1) var(--s4); row-gap: var(--s2); }
.index a { display: block; border-top: var(--rule); padding-top: 8px; }
.index a:hover { text-decoration: none; background: var(--c-accent); color: #000; }
.index .num { display: block; margin-bottom: var(--s2); }
.index li:nth-child(1) { grid-column: 1 / span 3; }
.index li:nth-child(2) { grid-column: 4 / span 3; }
.index li:nth-child(3) { grid-column: 7 / span 3; }
.index li:nth-child(4) { grid-column: 10 / span 3; }
@media (max-width: 1024px) {
  .index li:nth-child(odd)  { grid-column: 1 / span 4; }
  .index li:nth-child(even) { grid-column: 5 / span 4; }
}
@media (max-width: 640px) {
  .index { row-gap: 0; }
  .index li:nth-child(n) { grid-column: 1 / -1; }
  .index a { display: grid; grid-template-columns: 1fr 3fr; padding-block: 8px; }
  .index .num { margin: 0; }
}

/* ---------- principle block: number · heading · body ----------
   Baseline system (David 2026-10-21): number = 3 rows (60 px), heading = 6 rows (line box 120 px, type up to 150 px = 2.5× number),
   both start on row 2 (one base unit under the section rule), heading baseline snapped to the baseline grid by main.js (snapBaseline). */
.principle { row-gap: 0; padding-top: var(--s1); grid-template-rows: var(--base) auto; grid-auto-rows: auto; } /* row 1 = the descriptor's single base row, so a tall body can't stretch it */
.principle__kicker { grid-column: 1 / span 9; grid-row: 1; height: var(--base); line-height: var(--base); display: grid; grid-template-columns: subgrid; }
.principle__kicker .k-num { grid-column: 1 / span 2; } /* '(Kapitel 0n)' sits over the number (David) */
.principle__kicker .k-txt { grid-column: 3 / span 7; } /* descriptor sits over the heading */ /* descriptor on row 2, bridging the uneven cap tops below (David) */
.principle__num  { grid-column: 1 / span 2; grid-row: 2; }
.principle__num.t-display { font-size: calc(var(--fs-h1) * 2); line-height: calc(var(--base) * 6); letter-spacing: var(--ls-hero); } /* number = heading size, same 6-row box (David) */
.principle__head { grid-column: 3 / span 7; grid-row: 2; }
.principle__head.t-display { font-size: calc(var(--fs-h1) * 2); line-height: calc(var(--base) * 6); letter-spacing: var(--ls-hero); white-space: normal; text-wrap: balance; } /* 2 × the number (144 px), 6-row lines; may wrap (David: headings need not be one line) */
.principle__body { grid-column: 10 / -1; grid-row: 1 / span 2; display: grid; gap: var(--s1); align-content: start; }
.principle > .map, .principle > .swatches, .principle > .fields, .principle > .fields-note, .principle > .specimen, .principle > .table, .principle > .tools, .principle > .theses { margin-top: var(--s2); }
@media (max-width: 1024px) {
  .principle__num  { grid-column: 1 / span 1; }
  .principle__kicker { grid-column: 1 / -1; }
  .principle__kicker .k-num { grid-column: 1 / span 1; } .principle__kicker .k-txt { grid-column: 2 / -1; }
  .principle__head { grid-column: 2 / -1; }
  .principle__head.t-display { line-height: calc(var(--base) * 4); } /* size stays 2 × number (scales with --u); the 8-column grid wraps it */
  .principle__body { grid-column: 2 / -1; grid-row: auto; margin-top: var(--s2); }
}
@media (max-width: 640px) {
  .principle__num, .principle__kicker, .principle__head, .principle__body { grid-column: 1 / -1; }
  .principle__kicker { display: flex; gap: var(--gutter); height: auto; }
  .principle__num { grid-row: auto; } .principle__kicker { grid-row: auto; } .principle__head { grid-row: auto; }
  .principle__head.t-display { line-height: calc(var(--base) * 4); } /* 4-column grid: same rule, wraps as needed */
}

/* list as table rows */
.rows li { border-bottom: var(--rule); padding-block: 8px 6px; }
.rows li:first-child { border-top: var(--rule); }

/* spec sheet: label/value pairs */
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); column-gap: var(--gutter); row-gap: var(--s1); }
.specs dt { color: var(--c-mute); }
.section--dark .specs dt { color: #9A9A9A; }

/* live example area */
.example { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; padding-top: var(--s2); row-gap: var(--s1); }
.example__frame { grid-column: 1 / span 8; aspect-ratio: 16 / 9; border: var(--rule); position: relative; overflow: hidden; display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 4%; padding: 0 4%; }
.example__frame i { background: color-mix(in srgb, currentColor 8%, transparent); }
.example__frame b { position: absolute; left: 4%; top: 12%; width: 30%; aspect-ratio: 1; background: currentColor; }
.example__caption { grid-column: 9 / -1; align-self: end; display: grid; gap: var(--s1); }
@media (max-width: 1024px) { .example__frame, .example__caption { grid-column: 1 / -1; } }

/* ---------- test / quiz ---------- */
.quiz { row-gap: var(--s2); }
.quiz__q { grid-column: 1 / span 6; grid-row: 1; }
.quiz__opt { grid-row: 2; grid-column: span 6; text-align: left; border: var(--rule); aspect-ratio: 16 / 9; padding: var(--s1); display: flex; flex-direction: column; justify-content: space-between; transition: background-color .2s, color .2s; }
.quiz__opt:hover { background: var(--c-fg); color: var(--c-bg); }
.quiz__opt .sample { font-size: var(--fs-h2); line-height: var(--lh-h2); letter-spacing: var(--ls-h2); }
.quiz__opt .sample.is-wrong { text-align: justify; letter-spacing: .02em; line-height: 1.6; font-size: var(--fs-body); }
.quiz__result { grid-row: 3; grid-column: 1 / -1; min-height: 1.2em; }
.quiz__result .t-h1 { display: block; }
@media (max-width: 640px) { .quiz__q, .quiz__opt, .quiz__result { grid-column: 1 / -1; grid-row: auto; } .quiz__opt { aspect-ratio: 4 / 3; } }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-top: var(--rule); border-bottom: var(--rule); padding-block: 6px; white-space: nowrap; }
.marquee__track { display: inline-flex; animation: marquee 30s linear infinite; }
.marquee__track span { padding-right: .5em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- outro ---------- */
.outro { padding-block: var(--s4) var(--s1); row-gap: var(--s4); }
.outro__statement { grid-column: 1 / -1; }
.outro__credits { grid-column: 1 / -1; display: flex; justify-content: space-between; border-top: var(--rule); padding-top: 8px; }

/* ---------- loader ---------- */
.loader { position: fixed; inset: 0; z-index: 100; background: var(--c-paper); color: var(--c-ink); display: grid; place-items: center; transition: opacity .4s var(--ease), visibility .4s; }
.loader__square { width: calc(220 * var(--u)); min-width: 120px; aspect-ratio: 1; background: currentColor; animation: tilt 1.2s var(--ease) both; }
.loader__label { position: absolute; left: var(--margin); bottom: 16px; }
.loader__count { position: absolute; right: var(--margin); bottom: 16px; font-variant-numeric: tabular-nums; }
html.is-loaded .loader { opacity: 0; visibility: hidden; }
@keyframes tilt { from { transform: rotate(0); } to { transform: rotate(-8deg); } }

/* ---------- reveal ---------- */
.js [data-reveal] { opacity: 0; transform: translateX(-120px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i, 0) * 60ms); }
.js [data-reveal="up"] { transform: translateY(40px); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- grid overlay ---------- */
.grid-overlay { position: fixed; inset: 0; z-index: 90; pointer-events: none; display: none; }
.grid-overlay .grid { height: 100%; }
.grid-overlay .grid i { background: color-mix(in srgb, var(--c-accent) 16%, transparent); mix-blend-mode: multiply; }
html.mode-alt .grid-overlay .grid i { background: rgb(255 255 255 / .35); mix-blend-mode: normal; }
html.show-grid .grid-overlay { display: block; }
.grid-overlay::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, transparent 0 calc(var(--base) - 1px), rgb(0 0 0 / .06) calc(var(--base) - 1px) var(--base)); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- site additions ---------- */
.index li:nth-child(5) { grid-column: 10 / span 3; }
.index.five li:nth-child(1) { grid-column: 1 / span 2; } .index.five li:nth-child(2) { grid-column: 3 / span 2; } .index.five li:nth-child(3) { grid-column: 5 / span 2; }
.index.five li:nth-child(4) { grid-column: 7 / span 3; } .index.five li:nth-child(5) { grid-column: 10 / span 3; }
@media (max-width: 1024px) { .index.five li:nth-child(n) { grid-column: auto / span 4; } .index.five li:nth-child(odd) { grid-column: 1 / span 4; } .index.five li:nth-child(even) { grid-column: 5 / span 4; } }
@media (max-width: 640px) { .index.five li:nth-child(n) { grid-column: 1 / -1; } }
/* case layout (Obys "Grids" case): caption + spec rows on columns 1–4, image on columns 5–12 in a dark field */
.map { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; padding-top: var(--s4); row-gap: var(--s1); }
.map .caption { grid-column: 1 / span 4; grid-row: 1; align-self: start; display: grid; gap: var(--s2); align-content: start; }
.map .caption > p:first-child { border-top: var(--rule); padding-top: 8px; display: grid; grid-template-columns: 1fr auto; }
.map .caption > p:first-child .t-mute { justify-self: end; }
.map .caption .specs { display: block; }
.map .caption .specs > div { display: grid; grid-template-columns: 1fr 1fr; border-top: var(--rule); padding: 8px 0 6px; }
.map .caption .specs > div:last-child { border-bottom: var(--rule); }
.map figure { grid-column: 5 / -1; grid-row: 1; margin: 0; background: none; padding: 0; aspect-ratio: 16 / 10; border: 0; overflow: hidden; display: block; } /* no frames around images (David 2026-10-21) */
.map figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 1024px) { .map .caption { grid-column: 1 / -1; grid-row: 2; } .map figure { grid-column: 1 / -1; grid-row: 1; } }
/* colour chapter */
.swatches { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; row-gap: var(--s1); padding-top: var(--s2); }
.swatches .sw { grid-column: span 2; aspect-ratio: 1 / 1; display: flex; align-items: flex-end; padding: 8px; border: var(--rule); }
.swatches .sw.k { background: #000; color: #fff; } .swatches .sw.w { background: #fff; color: #000; } .swatches .sw.r { background: var(--c-accent); color: #000; }
.swatches .sw.y { background: var(--c-yellow); color: #000; } .swatches .sw.b { background: var(--c-blue); color: #000; } .swatches .sw.l { background: var(--c-lilac); color: #000; }
@media (max-width: 640px) { .swatches .sw { grid-column: span 2; } }
.fields { grid-column: 1 / span 6; display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; aspect-ratio: 9 / 8; border: var(--rule); margin-top: var(--s2); }
.fields > div { padding: 8px; } .fields .f1 { background: var(--c-accent); color: #000; grid-row: 1 / 3; } .fields .f2 { background: var(--c-strip); color: #000; } .fields .f3 { background: #1F1F1F; color: #F2F2F2; }
.fields.event .f1 { background: var(--c-yellow); } .fields.event .f3 { background: #000; }
.fields-note { grid-column: 8 / -1; align-self: end; }
@media (max-width: 1024px) { .fields { grid-column: 1 / -1; } .fields-note { grid-column: 1 / -1; } }
/* type specimen */
.specimen { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; row-gap: var(--s2); padding-top: var(--s2); }
.specimen .big { grid-column: 1 / -1; }
@media (max-width: 640px) { .specimen .big { font-size: 28px; } }
.specimen .sans { grid-column: 1 / span 6; } .specimen .mono { grid-column: 8 / -1; font-family: var(--font-mono); max-width: 60ch; }
@media (max-width: 1024px) { .specimen .sans, .specimen .mono { grid-column: 1 / -1; } }
/* grid family table */
.table { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.table .row { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; border-top: var(--rule); padding-block: 8px 6px; }
.table .row:last-child { border-bottom: var(--rule); }
.table .row > span:nth-child(1) { grid-column: 1 / span 2; } .table .row > span:nth-child(2) { grid-column: 3 / span 3; } .table .row > span:nth-child(3) { grid-column: 6 / span 3; } .table .row > span:nth-child(4) { grid-column: 9 / -1; }
@media (max-width: 640px) { .table .row > span:nth-child(n) { grid-column: 1 / -1; } }
/* tools rows */
.tools { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.tools .tool { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; border-top: var(--rule); padding-block: var(--s1) var(--s2); row-gap: 8px; }
.tools .tool:last-child { border-bottom: var(--rule); }
.tools .tool .n { grid-column: 1 / span 1; } .tools .tool h3 { grid-column: 2 / span 3; font-size: var(--fs-h2); line-height: var(--lh-h2); letter-spacing: var(--ls-h2); font-weight: 500; }
.tools .tool .use { grid-column: 5 / span 5; } .tools .tool .links { grid-column: 10 / -1; display: grid; gap: 4px; align-content: start; }
.tools .tool .links a { border-bottom: 1px solid currentColor; display: inline-block; width: max-content; }
@media (max-width: 1024px) { .tools .tool .n { grid-column: 1 / span 1; } .tools .tool h3 { grid-column: 2 / -1; } .tools .tool .use { grid-column: 2 / -1; } .tools .tool .links { grid-column: 2 / -1; } }
@media (max-width: 640px) { .tools .tool > * { grid-column: 1 / -1 !important; } }
/* manifesto rows */
.theses { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.theses .thesis { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; border-top: var(--rule); padding-block: var(--s1) var(--s2); }
.theses .thesis .n { grid-column: 1 / span 2; } .theses .thesis h3 { grid-column: 3 / span 3; font-size: var(--fs-h2); line-height: var(--lh-h2); letter-spacing: var(--ls-h2); font-weight: 500; text-transform: uppercase; }
.theses .thesis p { grid-column: 7 / -1; max-width: 60ch; }
@media (max-width: 1024px) { .theses .thesis .n { grid-column: 1 / span 1; } .theses .thesis h3 { grid-column: 2 / -1; } .theses .thesis p { grid-column: 2 / -1; } }
@media (max-width: 640px) { .theses .thesis > * { grid-column: 1 / -1 !important; } }
.outro__statement.t-display { font-size: var(--fs-h1); line-height: var(--lh-h1); letter-spacing: var(--ls-h1); }
.outro__links { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.outro__links a { grid-column: span 3; border-top: var(--rule); padding-top: 8px; }
@media (max-width: 640px) { .outro__links a { grid-column: 1 / -1; } }
.site-footer { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: var(--gutter); padding-block: var(--s1); border-top: var(--rule); }
.site-footer img { height: 28px; width: auto; }
.loader__square { background: var(--c-accent); }

/* six-chapter index */
.index.six li:nth-child(n) { grid-column: auto / span 2; }
@media (max-width: 1024px) { .index.six li:nth-child(odd) { grid-column: 1 / span 4; } .index.six li:nth-child(even) { grid-column: 5 / span 4; } }
@media (max-width: 640px) { .index.six li:nth-child(n) { grid-column: 1 / -1; } }
/* chapter opener (manifesto) */
.hero--chapter { border-top: var(--rule); padding-top: var(--s1); padding-bottom: var(--s2); }
.hero__title--full { grid-column: 1 / -1; display: block; padding-top: var(--s4); }
.hero__title--full .hero__word { display: block; text-align: left; }

/* ---------- underscore principle (David 2026-10-21): every display line carries a rule — caps and numbers alike ---------- */
.t-hero, .t-display, .display, .hero__word, .principle__head.t-display, .principle__num.t-display, .theses .n, .index .num, .outro__statement, .specimen .big { text-decoration: underline; text-decoration-thickness: .025em; text-underline-offset: .06em; }
.outro__statement .t-label, .principle__num.t-display .t-label { text-decoration: none; }

/* hero word: the rule is the title's bottom border (exactly margin to margin), not a text underline that follows the ink-trim */
.hero__word, .hero__title--full .hero__word { text-decoration: none; }