/* ============================================================================
   SINGLE LIGHT — kit.css
   All block/component styles. Built ONLY on tokens.css custom properties.
   Cinematic minimal: full-bleed photography, near-invisible chrome,
   vast negative space, type-led overlays in the empty zones.
   ============================================================================ */

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

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

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}

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

::selection { background: var(--accent); color: var(--on-accent); }

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ---------------------------------------------------------------------------
   Layout primitives
   --------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
@media (max-width: 720px) { .container { padding-inline: var(--space-5); } }

.section { padding-block: var(--space-10); }
.section--tight { padding-block: var(--space-8); }
.section--vast { padding-block: var(--space-11); }

/* ---------------------------------------------------------------------------
   Typography helpers
   --------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: var(--fw-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}
.eyebrow--bare::before { display: none; }

.display {
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  margin: 0;
  color: var(--text-primary);
}
.display--5xl { font-size: var(--fs-5xl); }
.display--4xl { font-size: var(--fs-4xl); }
.display--3xl { font-size: var(--fs-3xl); }
.display--2xl { font-size: var(--fs-2xl); }

.h-serif {
  font-family: var(--font-serif);
  font-weight: var(--fw-regular);
  font-style: normal;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
  margin: 0;
}

.lead {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  max-width: 52ch;
  line-height: var(--lh-base);
  margin: 0;
}
.muted { color: var(--text-muted); }
.prose { max-width: var(--maxw-prose); color: var(--text-secondary); }
.prose p + p { margin-top: var(--space-4); }

.accent-text { color: var(--accent); }

@media (max-width: 720px) {
  .display--5xl { font-size: 3.25rem; }
  .display--4xl { font-size: 2.75rem; }
  .display--3xl { font-size: 2.25rem; }
}

/* ---------------------------------------------------------------------------
   Image treatment — cinematic single-light grade
   Applied to all shared photos so they read native to the design language.
   --------------------------------------------------------------------------- */
.cine-img {
  position: relative;
  overflow: hidden;
  background: var(--color-ink-1000);
}
.cine-img > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.62) contrast(var(--grade-contrast))
          brightness(var(--grade-brightness)) saturate(var(--grade-saturate));
  transition: filter var(--dur-cinematic) var(--ease-out),
              transform var(--dur-cinematic) var(--ease-out);
}
[data-theme="light"] .cine-img > img { filter: grayscale(0.45) contrast(1.06) brightness(0.98) saturate(0.7); }
.cine-img:hover > img { transform: scale(1.025); filter: grayscale(0.5) contrast(1.14) brightness(0.96) saturate(0.62); }

/* the single controlled red glow — applied to ONE image per view via modifier */
.cine-img--ember::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 88% 78%, var(--accent-soft) 0%, transparent 55%);
  mix-blend-mode: screen;
  pointer-events: none;
}
.cine-img__grade { position: absolute; inset: 0; background: var(--img-overlay); pointer-events: none; }
.cine-img__grade--side { background: var(--img-overlay-side); }

/* ---------------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  font-weight: var(--fw-medium);
  padding: var(--btn-pad-y) var(--btn-pad-x);
  border-radius: var(--btn-radius);
  border: var(--border-hair) solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-out);
  line-height: 1;
}
.btn__arrow { transition: transform var(--dur-base) var(--ease-out); }
.btn:hover .btn__arrow { transform: translateX(5px); }

.btn--primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

.btn--ghost { background: transparent; color: var(--text-primary); border-color: var(--btn-ghost-border); }
.btn--ghost:hover { border-color: var(--text-primary); }

.btn--quiet { background: transparent; color: var(--text-secondary); padding-inline: 0; }
.btn--quiet:hover { color: var(--accent); }

.btn--lg { padding: 18px 36px; font-size: var(--fs-sm); }
.btn[disabled], .btn--disabled { opacity: 0.4; pointer-events: none; }

/* ---------------------------------------------------------------------------
   Tags / badges / chips / dividers / eyebrow
   --------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 5px 10px;
  border: var(--border-hair) solid var(--border-strong);
  color: var(--text-secondary);
  border-radius: var(--radius-0);
}
.tag--accent { border-color: var(--accent-line); color: var(--accent); }
.tag--solid { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding-inline: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  background: var(--bg-raised);
  border: var(--border-hair) solid var(--border-subtle);
  color: var(--text-secondary);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--fs-sm);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-hair) solid var(--border-subtle);
  color: var(--text-secondary);
  background: var(--bg-surface-2);
}
.chip__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

.divider { height: 1px; background: var(--border-subtle); border: 0; margin: 0; }
.divider--accent { height: 2px; width: 56px; background: var(--accent); }

/* ---------------------------------------------------------------------------
   Navigation
   --------------------------------------------------------------------------- */
.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--rule);
  background: color-mix(in srgb, var(--bg-base) 88%, transparent);
}
.nav__brand { display: flex; align-items: center; gap: var(--space-4); text-decoration: none; color: var(--text-primary); }
.nav__links { display: flex; align-items: center; gap: var(--space-6); list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__links a:hover { color: var(--text-primary); }
.nav__right { display: flex; align-items: center; gap: var(--space-5); }
@media (max-width: 860px) { .nav__links { display: none; } }

/* brand mark — CSS evocation of the slab wordmark + emblem */
.mark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.mark__emblem {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  position: relative;
}
.mark__wordmark {
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  text-transform: uppercase;
  letter-spacing: var(--ls-tight);
  line-height: 0.92;
  font-size: var(--fs-sm);
}
.mark__wordmark span { display: block; color: var(--text-muted); font-size: 0.62rem; letter-spacing: var(--ls-wide); font-weight: var(--fw-medium); }

/* SVG emblem fills via currentColor + accent */
.emblem-svg { width: 100%; height: 100%; }
.emblem-svg .tri { fill: none; stroke: currentColor; stroke-width: 3.5; stroke-linejoin: round; }
.emblem-svg .core { fill: var(--accent); }
.emblem-svg .ring { fill: none; stroke: currentColor; stroke-width: 2.5; opacity: 0.6; }

/* theme toggle */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: var(--border-hair) solid var(--border-strong);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 8px 12px;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.toggle:hover { color: var(--text-primary); border-color: var(--text-primary); }

/* ---------------------------------------------------------------------------
   HERO — image-led (full-bleed, type in empty zone)
   --------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
}
.hero__media { position: absolute; inset: 0; }
.hero__media .cine-img { width: 100%; height: 100%; }
.hero__inner { position: relative; width: 100%; padding-block: var(--space-9); }
.hero__eyebrow { margin-bottom: var(--space-5); color: var(--color-ink-200); }
.hero__eyebrow::before { background: var(--accent); }
.hero__title { max-width: 16ch; color: #fff; }
.hero__title em { font-style: normal; color: var(--accent); }
.hero__sub { margin-top: var(--space-5); max-width: 44ch; color: var(--color-ink-200); }
.hero__actions { margin-top: var(--space-7); display: flex; gap: var(--space-4); flex-wrap: wrap; }
.hero__meta {
  position: absolute; top: var(--space-7); right: 0;
  font-family: var(--font-mono); font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide); color: var(--color-ink-300);
  text-align: right;
}
.hero .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.4); }
.hero .btn--ghost:hover { border-color: #fff; }
@media (max-width: 720px) { .hero { min-height: 78vh; } }

/* HERO — type-led (no photo, vast negative space, single rule) */
.hero-type {
  background: var(--bg-base);
  border-bottom: var(--rule);
}
.hero-type__inner { padding-block: var(--space-11); }
.hero-type__title { max-width: 18ch; }
.hero-type__title em { font-style: normal; color: var(--accent); }
.hero-type__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-8); align-items: end; }
.hero-type__aside { border-left: 2px solid var(--accent); padding-left: var(--space-5); }
@media (max-width: 860px) { .hero-type__grid { grid-template-columns: 1fr; gap: var(--space-6); } }

/* HERO — split (type left, image right) */
.hero-split { display: grid; grid-template-columns: 1fr 1fr; min-height: 76vh; }
.hero-split__text { display: flex; flex-direction: column; justify-content: center; padding: var(--space-9) var(--space-8); }
.hero-split__media { position: relative; }
.hero-split__media .cine-img { position: absolute; inset: 0; }
@media (max-width: 860px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-split__media { min-height: 50vh; }
}

/* ---------------------------------------------------------------------------
   Section header
   --------------------------------------------------------------------------- */
.sec-head { max-width: 70ch; margin-bottom: var(--space-8); }
.sec-head .eyebrow { margin-bottom: var(--space-4); }
.sec-head__title { margin-bottom: var(--space-4); }
.sec-head--split { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6); max-width: none; }
@media (max-width: 720px) { .sec-head--split { flex-direction: column; align-items: flex-start; } }

/* ---------------------------------------------------------------------------
   Principles — four-principles, two layouts
   --------------------------------------------------------------------------- */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); }
.principle {
  padding: var(--space-7) var(--space-5) var(--space-7) 0;
  border-top: 2px solid var(--text-primary);
}
.principle:first-child { padding-left: 0; }
.principle__num { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--accent); letter-spacing: var(--ls-wide); }
.principle__title { font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold); font-size: var(--fs-lg); letter-spacing: var(--ls-tight); margin: var(--space-4) 0 var(--space-3); }
.principle__body { color: var(--text-secondary); font-size: var(--fs-sm); max-width: 26ch; }
@media (max-width: 860px) { .principles { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .principles { grid-template-columns: 1fr; } }

/* Principles layout B — list with rules */
.principles-list { border-top: var(--rule); }
.principle-row {
  display: grid;
  grid-template-columns: 80px 1fr 2fr;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-bottom: var(--rule);
  align-items: baseline;
}
.principle-row__index { font-family: var(--font-mono); color: var(--text-muted); font-size: var(--fs-sm); }
.principle-row__title { font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold); font-size: var(--fs-lg); letter-spacing: var(--ls-tight); }
.principle-row__body { color: var(--text-secondary); }
.principle-row:hover .principle-row__title { color: var(--accent); transition: color var(--dur-base) var(--ease-out); }
@media (max-width: 720px) { .principle-row { grid-template-columns: 1fr; gap: var(--space-3); } }

/* ---------------------------------------------------------------------------
   Lineage / provenance
   --------------------------------------------------------------------------- */
.lineage { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.lineage__media { position: relative; aspect-ratio: 3 / 2; }
.lineage__media .cine-img { position: absolute; inset: 0; }
.lineage__caption {
  position: absolute; left: var(--space-4); bottom: var(--space-4);
  font-family: var(--font-mono); font-size: var(--fs-xs);
  color: var(--color-ink-200); letter-spacing: var(--ls-wide);
}
.lineage__title em { font-style: italic; color: var(--accent); }
.lineage__chain { list-style: none; margin: var(--space-6) 0 0; padding: 0; }
.lineage__chain li {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-4);
  padding: var(--space-4) 0; border-top: var(--rule); position: relative;
}
.lineage__chain li:last-child { border-bottom: var(--rule); }
.lineage__year { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--accent); white-space: nowrap; }
.lineage__event strong { display: block; font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--ls-tight); font-size: var(--fs-md); margin-bottom: 2px; }
.lineage__event span { color: var(--text-secondary); font-size: var(--fs-sm); }
@media (max-width: 860px) { .lineage { grid-template-columns: 1fr; gap: var(--space-6); } }

/* ---------------------------------------------------------------------------
   Track cards + track feature header
   --------------------------------------------------------------------------- */
.tracks { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 860px) { .tracks { grid-template-columns: 1fr; } }

.track-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--card-bg);
  border: var(--border-hair) solid var(--card-border);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.track-card:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.track-card__media { position: relative; aspect-ratio: 16 / 10; }
.track-card__media .cine-img { position: absolute; inset: 0; }
.track-card__accent { position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--accent); z-index: 2; }
.track-card__body { padding: var(--space-5); flex: 1; display: flex; flex-direction: column; }
.track-card__kicker { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--accent); }
.track-card__title { font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold); font-size: var(--fs-xl); letter-spacing: var(--ls-tight); margin: var(--space-3) 0 var(--space-3); }
.track-card__desc { color: var(--text-secondary); font-size: var(--fs-sm); flex: 1; }
.track-card__foot { margin-top: var(--space-5); display: flex; align-items: center; justify-content: space-between; }

/* Track feature header (big, full-width, re-skinnable) */
.track-feature { position: relative; min-height: 64vh; display: flex; align-items: flex-end; overflow: hidden; }
.track-feature__media { position: absolute; inset: 0; }
.track-feature__media .cine-img { width: 100%; height: 100%; }
.track-feature__bar { position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--accent); z-index: 2; }
.track-feature__inner { position: relative; padding-block: var(--space-8); width: 100%; }
.track-feature__title { color: #fff; max-width: 14ch; }
.track-feature__sub { color: var(--color-ink-200); margin-top: var(--space-4); max-width: 46ch; }
.track-feature .eyebrow { color: var(--color-ink-150); }
.track-feature .eyebrow::before { background: var(--accent); }

/* track switcher chips */
.track-switch { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-6); }
.track-switch__btn {
  font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase;
  padding: 9px 16px; border: var(--border-hair) solid var(--border-subtle);
  background: var(--bg-surface-2); color: var(--text-secondary); cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out); display: inline-flex; align-items: center; gap: 8px;
}
.track-switch__btn .chip__dot { background: var(--sw-color); }
.track-switch__btn[aria-pressed="true"] { color: var(--text-primary); border-color: var(--sw-color); }
.track-switch__btn:hover { color: var(--text-primary); }

/* ---------------------------------------------------------------------------
   Progression ladder — STATIC marketing illustration (NOT an app widget)
   --------------------------------------------------------------------------- */
.ladder { position: relative; }
.ladder__rail { position: absolute; left: 19px; top: 12px; bottom: 12px; width: 2px; background: var(--border-strong); }
.ladder__rail::after { content: ""; position: absolute; left: 0; top: 0; width: 2px; height: 64%; background: var(--accent); }
.ladder__steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-6); position: relative; }
.ladder-step { display: grid; grid-template-columns: 40px 1fr; gap: var(--space-5); align-items: start; }
.ladder-step__node {
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--border-strong); background: var(--bg-base);
  display: grid; place-items: center; font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--text-muted);
  position: relative; z-index: 1;
}
.ladder-step--done .ladder-step__node { border-color: var(--accent); color: var(--accent); }
.ladder-step--current .ladder-step__node { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.ladder-step__title { font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold); font-size: var(--fs-lg); letter-spacing: var(--ls-tight); margin: 0 0 4px; }
.ladder-step__role { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--text-muted); }
.ladder-step__unlocks { margin: var(--space-4) 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.ladder-step__unlocks li {
  font-size: var(--fs-sm); color: var(--text-secondary);
  padding: 5px 11px; border: var(--border-hair) solid var(--border-subtle); background: var(--bg-surface-2);
  display: inline-flex; align-items: center; gap: 7px;
}
.ladder-step__unlocks li::before { content: ""; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }

/* horizontal ladder variant for showcase */
.ladder-h { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.ladder-h__step { border-top: 2px solid var(--border-strong); padding-top: var(--space-4); position: relative; }
.ladder-h__step--current { border-top-color: var(--accent); }
.ladder-h__num { font-family: var(--font-mono); color: var(--text-muted); font-size: var(--fs-xs); }
.ladder-h__step--current .ladder-h__num { color: var(--accent); }
@media (max-width: 860px) { .ladder-h { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .ladder-h { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------------
   Footprint stat strip
   --------------------------------------------------------------------------- */
.footprint { display: grid; grid-template-columns: repeat(4, 1fr); border-top: var(--rule); border-bottom: var(--rule); }
.footprint__stat { padding: var(--space-7) var(--space-5); border-left: var(--rule); }
.footprint__stat:first-child { border-left: 0; padding-left: 0; }
.footprint__num { font-family: var(--font-display); font-weight: var(--fw-black); font-size: var(--fs-3xl); letter-spacing: var(--ls-mega); line-height: 1; }
.footprint__num em { font-style: normal; color: var(--accent); }
.footprint__label { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--text-muted); margin-top: var(--space-3); }
.footprint__countries { margin-top: var(--space-7); display: flex; flex-wrap: wrap; gap: var(--space-2); }
@media (max-width: 720px) { .footprint { grid-template-columns: 1fr 1fr; } .footprint__stat { border-left: var(--rule); padding-left: var(--space-5); } }

/* ---------------------------------------------------------------------------
   Quote / credential / endorsement
   --------------------------------------------------------------------------- */
.quote { display: grid; grid-template-columns: 1fr; gap: var(--space-6); max-width: 60ch; }
.quote__mark { font-family: var(--font-serif); color: var(--accent); font-size: var(--fs-4xl); line-height: 0.5; height: 0.4em; }
.quote__text { font-family: var(--font-serif); font-size: var(--fs-xl); line-height: var(--lh-snug); color: var(--text-primary); }
.quote__cite { display: flex; align-items: center; gap: var(--space-4); margin-top: var(--space-2); }
.quote__avatar { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex: none; background: var(--bg-raised); }
.quote__avatar img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.7) contrast(1.1); }
.quote__name { font-weight: var(--fw-bold); font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--ls-tight); font-size: var(--fs-sm); }
.quote__role { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wide); }

.credentials { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.cred {
  border: var(--border-hair) solid var(--border-subtle); padding: var(--space-6);
  background: var(--bg-surface-2); position: relative;
}
.cred__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); }
.cred__quote { font-family: var(--font-serif); font-size: var(--fs-md); line-height: var(--lh-snug); color: var(--text-primary); }
.cred__by { margin-top: var(--space-5); }
.cred__name { font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold); letter-spacing: var(--ls-tight); font-size: var(--fs-sm); }
.cred__meta { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wide); }
@media (max-width: 860px) { .credentials { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------------
   CTA bands
   --------------------------------------------------------------------------- */
.cta {
  position: relative; overflow: hidden;
  border-top: var(--rule); border-bottom: var(--rule);
}
.cta__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-7); padding-block: var(--space-9); }
.cta__title { max-width: 18ch; }
.cta__title em { font-style: normal; color: var(--accent); }
.cta__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; flex: none; }
@media (max-width: 860px) { .cta__inner { flex-direction: column; align-items: flex-start; } }

.cta--photo { border: 0; }
.cta--photo .cta__bg { position: absolute; inset: 0; }
.cta--photo .cta__bg .cine-img { width: 100%; height: 100%; }
/* readability scrim — guarantees AA contrast for centered content over the photo */
.cta--photo .cta__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7,8,10,0.82) 0%, rgba(7,8,10,0.5) 55%, rgba(7,8,10,0.2) 100%);
  pointer-events: none;
}
.cta--photo .cta__inner { position: relative; }
.cta--photo .cta__title, .cta--photo .lead { color: #fff; }
.cta--photo .eyebrow { color: var(--color-ink-150); }
.cta--photo .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.45); }
.cta--photo .btn--ghost:hover { border-color: #fff; }

/* ---------------------------------------------------------------------------
   Photo + caption (documentary)
   --------------------------------------------------------------------------- */
.photo-doc { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-6); align-items: end; }
.photo-doc__media { position: relative; aspect-ratio: 4 / 3; }
.photo-doc__media .cine-img { position: absolute; inset: 0; }
.photo-doc__caption { border-left: 2px solid var(--accent); padding-left: var(--space-5); }
.photo-doc__caption .eyebrow { margin-bottom: var(--space-3); }
.photo-doc__meta { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wide); margin-top: var(--space-4); }
@media (max-width: 860px) { .photo-doc { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------------
   Content + media split
   --------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.split--reverse .split__media { order: -1; }
.split__media { position: relative; aspect-ratio: 3 / 2; }
.split__media .cine-img { position: absolute; inset: 0; }
.split__list { list-style: none; margin: var(--space-6) 0 0; padding: 0; }
.split__list li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); padding: var(--space-4) 0; border-top: var(--rule); }
.split__list li:last-child { border-bottom: var(--rule); }
.split__list .num { font-family: var(--font-mono); color: var(--accent); font-size: var(--fs-sm); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: var(--space-6); } .split--reverse .split__media { order: 0; } }

/* ---------------------------------------------------------------------------
   FAQ / accordion
   --------------------------------------------------------------------------- */
.faq { border-top: var(--rule); }
.faq__item { border-bottom: var(--rule); }
.faq__q {
  width: 100%; text-align: left; background: transparent; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-5);
  padding: var(--space-6) 0; color: var(--text-primary);
  font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight); font-size: var(--fs-md);
}
.faq__icon { flex: none; width: 22px; height: 22px; position: relative; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; background: var(--accent); transition: transform var(--dur-base) var(--ease-out); }
.faq__icon::before { left: 0; right: 0; top: 10px; height: 2px; }
.faq__icon::after { top: 0; bottom: 0; left: 10px; width: 2px; }
.faq__q[aria-expanded="true"] .faq__icon::after { transform: scaleY(0); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height var(--dur-slow) var(--ease-in-out); }
.faq__a-inner { padding-bottom: var(--space-6); color: var(--text-secondary); max-width: 62ch; }

/* ---------------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------------- */
.footer { border-top: var(--rule); background: var(--bg-surface); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-7); padding-block: var(--space-9); }
.footer__col h4 { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--text-muted); margin: 0 0 var(--space-4); }
.footer__col ul { list-style: none; margin: 0; padding: 0; }
.footer__col li { margin-bottom: var(--space-3); }
.footer__col a { color: var(--text-secondary); text-decoration: none; font-size: var(--fs-sm); transition: color var(--dur-fast) var(--ease-out); }
.footer__col a:hover { color: var(--text-primary); }
.footer__brand p { color: var(--text-muted); max-width: 38ch; font-size: var(--fs-sm); margin-top: var(--space-4); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-5); border-top: var(--rule); font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wide); }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } .footer__bottom { flex-direction: column; gap: var(--space-3); align-items: flex-start; } }

/* ---------------------------------------------------------------------------
   Showcase scaffolding (index.html only)
   --------------------------------------------------------------------------- */
.kit-frame { border: var(--border-hair) solid var(--border-strong); margin-bottom: var(--space-7); }
.kit-frame__label {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase;
  color: var(--text-muted); padding: var(--space-3) var(--space-5); border-bottom: var(--rule);
  background: var(--bg-surface-2);
}
.kit-frame__body { padding: var(--space-7) var(--space-6); }
.kit-frame__body--flush { padding: 0; }
.kit-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 1000px) { .kit-pair { grid-template-columns: 1fr; } }

.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--space-3); }
.swatch { border: var(--border-hair) solid var(--border-subtle); }
.swatch__chip { height: 56px; }
.swatch__meta { padding: 8px 10px; font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-secondary); }
.swatch__meta b { display: block; color: var(--text-primary); font-weight: var(--fw-medium); text-transform: none; }

.scale-row { display: flex; align-items: baseline; gap: var(--space-5); padding: var(--space-3) 0; border-bottom: var(--rule); }
.scale-row__label { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); width: 84px; flex: none; }

.space-demo { display: flex; align-items: flex-end; gap: var(--space-4); flex-wrap: wrap; }
.space-demo__item { text-align: center; font-family: var(--font-mono); font-size: 0.66rem; color: var(--text-muted); }
.space-demo__bar { background: var(--accent); width: 22px; margin-bottom: 6px; }

.elev-demo { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.elev-box { width: 150px; height: 96px; background: var(--bg-raised); display: grid; place-items: center; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-secondary); }
.elev-box--1 { box-shadow: var(--shadow-1); }
.elev-box--2 { box-shadow: var(--shadow-2); }

.specimen-stack > * + * { margin-top: var(--space-3); }

.frame-dark { background: var(--bg-base); color: var(--text-primary); }
.frame-light { background: var(--bg-base); color: var(--text-primary); }

.toc { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg-base) 92%, transparent); border-bottom: var(--rule); }
.toc__inner { display: flex; align-items: center; gap: var(--space-5); overflow-x: auto; padding-block: var(--space-3); }
.toc a { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--text-muted); text-decoration: none; white-space: nowrap; }
.toc a:hover { color: var(--text-primary); }

.btn-grid { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; }
.token-note { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wide); }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}