/* Hallmark — sections (with per-theme structural overrides) */

/* — Page scaffold ——————————————————————————————————— */
.page {
  max-width: var(--page-max);
  margin-inline: auto;
  display: grid;
  gap: var(--section-gap);
  padding-block: var(--space-2xl) var(--space-4xl);
  padding-inline: var(--page-gutter);
}

/* — Slot — a region whose component archetype swaps per theme ————— */
.slot {
  display: block;
  min-height: 1px; /* keeps reveal animation valid before populated */
}

/* — Section container ——————————————————————————————— */
.section {
  display: grid;
  gap: var(--space-2xl);
}

.section__head {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: var(--space-xl);
  align-items: baseline;
  padding-bottom: var(--section-head-gap);
  border-bottom: var(--rule-hair) solid var(--color-rule-2);
}

.section__title {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-style: var(--display-style, normal);
  font-size: var(--text-2xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  max-width: 24ch;
  color: var(--color-ink);
  font-optical-sizing: auto;
}

@media (max-width: 48rem) {
  .section__head {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* — 01 · Opening ——————————————————————————————————— */
.opening {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: var(--space-2xl);
  padding-block: var(--space-xl) var(--space-lg);
  align-items: end;
}

@media (max-width: 60rem) {
  .opening { grid-template-columns: 1fr; gap: var(--space-xl); align-items: start; }
}

.opening__eyebrow {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}

.opening__title {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-style: var(--display-style, normal);
  font-size: var(--text-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
  max-width: 15ch;
  font-optical-sizing: auto;
  font-variation-settings:
    "opsz" var(--display-optical, 144),
    "SOFT" var(--display-soft, 0);
}

.opening__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-ink);
}

.opening__sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-md);
  line-height: var(--lh-normal);
  color: var(--color-ink-2);
  max-width: 42ch;
  margin-top: var(--space-lg);
}

.opening__aside {
  display: grid;
  gap: var(--space-md);
  padding-top: var(--space-xl);
}

.opening__rule {
  height: 0.5rem;
  width: 3rem;
  background: var(--color-accent);
}

.opening__cta {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: var(--rule-hair) solid var(--color-rule);
}

/* — 02 · Problem (vs) ——————————————————————————————— */
.vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: var(--rule-hair) solid var(--color-rule-2);
}

@media (max-width: 50rem) {
  .vs { grid-template-columns: 1fr; }
  .vs__col:first-child { border-right: 0; border-bottom: var(--rule-hair) solid var(--color-rule-2); }
}

.vs__col {
  padding: var(--space-xl);
  display: grid;
  gap: var(--space-md);
}

.vs__col:first-child {
  border-right: var(--rule-hair) solid var(--color-rule-2);
  background: var(--color-paper-2);
}

.vs__head { padding-bottom: var(--space-sm); border-bottom: var(--rule-hair) solid var(--color-rule); }

.vs__label {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
}

.vs__caption {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-neutral);
  max-width: 44ch;
  line-height: var(--lh-normal);
}

.vs__demo {
  min-height: 12rem;
  position: relative;
  overflow: hidden;
}

.vs__demo--good {
  display: grid;
  place-content: start;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--color-paper);
}

.vs__demo--good .label { color: var(--color-muted); }

.vs__demo--good .title {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-style: var(--display-style, normal);
  font-size: 2rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  max-width: 10ch;
  font-optical-sizing: auto;
}

.vs__demo--good .title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

/* — 03 · Foundations grid ——————————————————————————— */
.foundations {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl) var(--space-2xl);
}

@media (max-width: 56rem) {
  .foundations { grid-template-columns: 1fr; gap: 0; }
}

/* — 04 · Gallery rail ——————————————————————————————— */
.rail {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-sm);
  scrollbar-color: var(--color-rule-2) transparent;
}

.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-track { background: transparent; }
.rail::-webkit-scrollbar-thumb { background: var(--color-rule-2); border-radius: 0; }

/* — 05 · How it works ——————————————————————————————— */
.how { display: grid; gap: var(--space-xl); }

.step {
  display: grid;
  grid-template-columns: 3rem 1fr 2fr;
  gap: var(--space-lg);
  align-items: start;
  padding-top: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-rule);
}

@media (max-width: 50rem) {
  .step { grid-template-columns: 1fr; gap: var(--space-sm); }
}

.step__num {
  font-family: var(--font-label);
  font-weight: 500;
  font-size: var(--text-md);
  color: var(--color-ink);
  letter-spacing: 0.08em;
}

.step__head {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-style: var(--display-style, normal);
  font-size: var(--text-lg);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  font-optical-sizing: auto;
}

.step__sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-neutral);
  margin-top: var(--space-xs);
  max-width: 40ch;
  line-height: var(--lh-normal);
}

.step__body { display: grid; gap: var(--space-sm); }

/* — 06 · Install blocks ————————————————————————————— */
.installs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 40rem) { .installs { grid-template-columns: 1fr; } }

/* — 07 · Footer ————————————————————————————————————— */
.foot {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: var(--rule-fine) solid var(--color-ink);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-muted);
  align-items: end;
}

.foot__credits { max-width: 64ch; line-height: 1.7; }
.foot__credits a { color: var(--color-ink); }

.foot__powered { text-align: right; }

.foot__powered-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: var(--text-xs);
}

.foot__powered-mark::before {
  content: "";
  width: 0.55em;
  height: 0.55em;
  background: var(--color-accent);
}

/* — Dimension callout ——————————————————————————————— */
.dim {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ════════════════════════════════════════════════════════════ */
/*  STRUCTURAL FINGERPRINTS — per-theme overrides                */
/*  Each theme picks distinct values across six axes:             */
/*  heading placement · body composition · divider · button       */
/*  · image · reveal                                              */
/* ════════════════════════════════════════════════════════════ */

/* ── ATELIER — centered display, generous, narrow column ────── */
[data-theme="atelier"] .opening {
  grid-template-columns: 1fr;
  text-align: center;
  align-items: center;
  padding-block: var(--space-3xl) var(--space-xl);
}
[data-theme="atelier"] .opening__title {
  margin-inline: auto;
  max-width: 16ch;
}
[data-theme="atelier"] .opening__sub {
  margin-inline: auto;
  margin-top: var(--space-xl);
}
[data-theme="atelier"] .opening__eyebrow {
  justify-content: center;
}
[data-theme="atelier"] .opening__aside {
  display: none;
}
[data-theme="atelier"] .section__head {
  grid-template-columns: 1fr;
  text-align: center;
  border-bottom: 0;
  padding-bottom: var(--space-2xl);
}
[data-theme="atelier"] .section-label {
  justify-content: center;
}
[data-theme="atelier"] .section__title {
  max-width: 22ch;
  margin-inline: auto;
}
[data-theme="atelier"] .foundations {
  grid-template-columns: 1fr;
  max-width: 38rem;
  margin-inline: auto;
}
[data-theme="atelier"] .spec {
  text-align: center;
  border-top: 0;
  border-bottom: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-2xl) 0;
}
[data-theme="atelier"] .spec__head {
  justify-content: center;
  gap: var(--space-md);
}
[data-theme="atelier"] .spec__rule {
  margin-inline: auto;
}
[data-theme="atelier"] .step {
  grid-template-columns: 1fr;
  text-align: center;
}
[data-theme="atelier"] .vs { grid-template-columns: 1fr; border: 0; }
[data-theme="atelier"] .vs__col:first-child {
  border-right: 0;
  border-bottom: var(--rule-hair) solid var(--color-rule-2);
}

/* ── NEWSPRINT — bottom-aligned head, multi-column body, double rule, drop cap ── */
[data-theme="newsprint"] .opening {
  grid-template-columns: 1fr;
  border-top: 4px double var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  padding-block: var(--space-md);
  align-items: start;
}
[data-theme="newsprint"] .opening__aside {
  border-top: var(--rule-hair) solid var(--color-rule);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
}
[data-theme="newsprint"] .opening__title {
  max-width: none;
  font-weight: 700;
  margin-block: var(--space-md);
}
[data-theme="newsprint"] .opening__sub {
  column-count: 2;
  column-gap: 2.5rem;
  column-rule: 0.5px solid var(--color-rule-2);
  hyphens: auto;
  text-align: justify;
  max-width: none;
  margin-top: var(--space-md);
}
/* Signature drop cap — first letter of the lede */
[data-theme="newsprint"] .opening__sub::first-letter {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 4.2em;
  line-height: 0.85;
  float: left;
  margin: 0.08em 0.12em 0 0;
  color: var(--color-accent);
}
@media (max-width: 50rem) {
  [data-theme="newsprint"] .opening__sub { column-count: 1; }
}
[data-theme="newsprint"] .section__head {
  grid-template-columns: 1fr;
  border-top: 3px double var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  padding-block: 0.5rem;
  align-items: baseline;
}
[data-theme="newsprint"] .foundations {
  grid-template-columns: repeat(3, 1fr);
  column-gap: var(--space-xl);
  row-gap: 0;
}
@media (max-width: 70rem) {
  [data-theme="newsprint"] .foundations { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 50rem) {
  [data-theme="newsprint"] .foundations { grid-template-columns: 1fr; }
}
[data-theme="newsprint"] .spec {
  border-top: 1px solid var(--color-ink);
  padding: var(--space-lg) 0;
}

/* ── TERMINAL — inline `>` headings, mono everywhere ────────── */
[data-theme="terminal"] .opening {
  grid-template-columns: 1fr;
  padding-block: var(--space-xl) var(--space-md);
}
[data-theme="terminal"] .opening__aside {
  display: grid;
  grid-template-columns: 1fr;
  padding-top: var(--space-md);
  border-top: var(--rule-hair) dashed var(--color-rule-2);
}
[data-theme="terminal"] .opening__title {
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.02em;
  max-width: none;
}
[data-theme="terminal"] .opening__title::before {
  content: "$ ";
  color: var(--color-accent);
}
[data-theme="terminal"] .opening__title em {
  font-family: var(--font-display);
  font-style: normal;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.15em;
}
[data-theme="terminal"] .section__head {
  grid-template-columns: 1fr;
  border-bottom: var(--rule-hair) dashed var(--color-rule-2);
}
[data-theme="terminal"] .section__title {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}
[data-theme="terminal"] .section__title::before {
  content: "// ";
  color: var(--color-accent);
}
[data-theme="terminal"] .opening__rule {
  height: 1rem;
  width: 0.6rem;
  background: var(--color-accent);
  animation: blink 1.05s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
[data-theme="terminal"] .vs__col:first-child { background: var(--color-paper-3); }
[data-theme="terminal"] .step__num::before { content: "[ "; color: var(--color-accent); }
[data-theme="terminal"] .step__num::after  { content: " ]"; color: var(--color-accent); }

/* ── MANIFESTO — full-bleed, ALL CAPS, colour blocks ────────── */
[data-theme="manifesto"] .opening {
  grid-template-columns: 1fr;
  padding-block: var(--space-2xl) var(--space-xl);
}
[data-theme="manifesto"] .opening__aside { display: none; }
[data-theme="manifesto"] .opening__title {
  text-transform: uppercase;
  font-weight: 800;
  max-width: 11ch;
  font-style: normal;
}
[data-theme="manifesto"] .opening__title em {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  background: var(--color-accent);
  color: var(--color-paper);
  padding: 0 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
[data-theme="manifesto"] .opening__sub {
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.02em;
  max-width: 56ch;
}
[data-theme="manifesto"] .section__head {
  grid-template-columns: 1fr;
  border-bottom: 3px solid var(--color-ink);
  padding-bottom: var(--space-sm);
}
[data-theme="manifesto"] .section__title {
  text-transform: uppercase;
  max-width: 18ch;
  font-weight: 800;
}
[data-theme="manifesto"] .vs { border: 3px solid var(--color-ink); }
[data-theme="manifesto"] .vs__col:first-child {
  background: var(--color-ink);
  color: var(--color-paper);
}
[data-theme="manifesto"] .vs__col:first-child .vs__label,
[data-theme="manifesto"] .vs__col:first-child .vs__caption {
  color: var(--color-paper);
}
[data-theme="manifesto"] .step { border-top: 3px solid var(--color-ink); }

/* ── SALON — centered narrow, fleuron divider ───────────────── */
[data-theme="salon"] .opening {
  grid-template-columns: 1fr;
  text-align: center;
  align-items: center;
  padding-block: var(--space-3xl) var(--space-xl);
}
[data-theme="salon"] .opening__title {
  font-style: italic;
  font-weight: 400;
  margin-inline: auto;
  max-width: 14ch;
}
[data-theme="salon"] .opening__title em {
  font-style: normal;
  font-family: var(--font-display);
}
[data-theme="salon"] .opening__sub {
  margin-inline: auto;
  margin-top: var(--space-xl);
  font-family: var(--font-serif);
  font-style: italic;
}
[data-theme="salon"] .opening__eyebrow { justify-content: center; }
[data-theme="salon"] .opening__aside { display: none; }
[data-theme="salon"] .section__head {
  grid-template-columns: 1fr;
  text-align: center;
  border-bottom: 0;
  padding-bottom: var(--space-md);
}
[data-theme="salon"] .section__head::after {
  content: "❦";
  display: block;
  text-align: center;
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-top: var(--space-md);
  font-family: var(--font-serif);
}
[data-theme="salon"] .section-label { justify-content: center; }
[data-theme="salon"] .section__title { margin-inline: auto; }
[data-theme="salon"] .foundations {
  grid-template-columns: 1fr;
  max-width: 36rem;
  margin-inline: auto;
}
[data-theme="salon"] .spec { text-align: left; }

/* ── LINEN — hanging headings, two-column asymmetric, woven texture ─── */
[data-theme="linen"] .opening { grid-template-columns: 7fr 5fr; gap: var(--space-3xl); }
[data-theme="linen"] .section__head {
  grid-template-columns: 1fr;
  border-bottom: 0;
  padding-bottom: 0;
}
[data-theme="linen"] .section__title { margin-bottom: var(--space-2xl); }
[data-theme="linen"] .section-label { margin-bottom: var(--space-md); }
[data-theme="linen"] .foundations {
  grid-template-columns: 5fr 7fr;
  gap: var(--space-xl) var(--space-2xl);
}
@media (max-width: 56rem) { [data-theme="linen"] .foundations { grid-template-columns: 1fr; } }
[data-theme="linen"] .spec { border-top: 0; border-bottom: var(--rule-hair) solid var(--color-rule); }

/* Signature: barely-visible woven texture — checkerboard at 3% opacity */
html[data-theme="linen"] body {
  background-image:
    linear-gradient(45deg, oklch(20% 0.025 90 / 0.018) 25%, transparent 25%, transparent 75%, oklch(20% 0.025 90 / 0.018) 75%),
    linear-gradient(45deg, oklch(20% 0.025 90 / 0.018) 25%, transparent 25%, transparent 75%, oklch(20% 0.025 90 / 0.018) 75%);
  background-size: 6px 6px;
  background-position: 0 0, 3px 3px;
}

/* ── ALMANAC — sticky labels, 3-col equal, dense, faint grid bg ────── */
/* Signature: faint vertical grid running the full page (graph-paper) */
html[data-theme="almanac"] body {
  background-image:
    linear-gradient(to right, oklch(38% 0.018 240 / 0.05) 0, oklch(38% 0.018 240 / 0.05) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  background-attachment: fixed;
}

[data-theme="almanac"] .section__head {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-paper);
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-ink);
  grid-template-columns: 8rem 1fr;
}
[data-theme="almanac"] .section__title { font-size: var(--text-xl); }
[data-theme="almanac"] .foundations {
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-left: var(--rule-hair) solid var(--color-rule);
}
@media (max-width: 70rem) {
  [data-theme="almanac"] .foundations { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 50rem) {
  [data-theme="almanac"] .foundations { grid-template-columns: 1fr; border-left: 0; }
}
[data-theme="almanac"] .spec {
  border-top: 0;
  border-right: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-md) var(--space-md);
}
[data-theme="almanac"] .opening { grid-template-columns: 6fr 6fr; }
[data-theme="almanac"] .opening__title { max-width: 18ch; }

/* ── SPORT — italic display, asymmetric spans, bleed-colour ── */
[data-theme="sport"] .opening {
  grid-template-columns: 9fr 3fr;
  align-items: end;
  padding-block: var(--space-2xl) var(--space-xl);
}
[data-theme="sport"] .opening__title {
  font-style: italic;
  font-weight: 700;
  text-transform: uppercase;
  max-width: 14ch;
}
[data-theme="sport"] .opening__title em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-accent);
  font-weight: 700;
}
[data-theme="sport"] .opening__sub { font-weight: 500; }
[data-theme="sport"] .section__head {
  grid-template-columns: 6rem 1fr;
  border-bottom: 2px solid var(--color-rule-2);
  padding-bottom: var(--space-md);
  align-items: end;
}
[data-theme="sport"] .section__title {
  font-style: italic;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
[data-theme="sport"] .foundations {
  grid-template-columns: 7fr 5fr;
  gap: var(--space-xl) var(--space-2xl);
}
@media (max-width: 56rem) { [data-theme="sport"] .foundations { grid-template-columns: 1fr; } }
[data-theme="sport"] .spec { border-top: var(--rule-hair) solid var(--color-rule-2); }
[data-theme="sport"] .vs__col:first-child {
  background: var(--color-accent);
  color: var(--color-paper);
}
[data-theme="sport"] .vs__col:first-child .vs__label,
[data-theme="sport"] .vs__col:first-child .vs__caption {
  color: var(--color-paper);
}
[data-theme="sport"] .step__num {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 700;
}

/* ── BRUTAL existing — augment with structural overrides ───── */
[data-theme="brutal"] .opening__title em {
  font-style: normal;
  text-decoration: underline;
  text-decoration-thickness: 4px;
  text-underline-offset: 0.12em;
  text-decoration-color: var(--color-accent);
}
[data-theme="brutal"] .section__head {
  border-bottom: 3px solid var(--color-ink);
}
[data-theme="brutal"] .vs__col:first-child {
  background: var(--color-accent);
  color: var(--color-paper);
}
[data-theme="brutal"] .vs__col:first-child .vs__label,
[data-theme="brutal"] .vs__col:first-child .vs__caption {
  color: var(--color-paper);
}

/* ── GARDEN existing — augment ──────────────────────────────── */
[data-theme="garden"] .section__head {
  grid-template-columns: 1fr;
  border-bottom: 0;
  padding-bottom: var(--space-lg);
}
[data-theme="garden"] .section__title { margin-top: var(--space-md); }
[data-theme="garden"] .foundations { grid-template-columns: 5fr 7fr; }
@media (max-width: 56rem) { [data-theme="garden"] .foundations { grid-template-columns: 1fr; } }

/* ── MIDNIGHT existing — numbered display style ─────────────── */
[data-theme="midnight"] .section-label .num {
  color: var(--color-accent);
}
[data-theme="midnight"] .opening__title em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-accent-ink);
}