/* ─── Tokens ─────────────────────────────────────────── */
:root,
:root[data-theme="dark"] {
  --bg: #0c0a09;
  --bg-2: #161311;
  --ink: #f4f1ec;
  --ink-2: #a8a29e;
  --ink-3: #6f6964;
  --line: rgba(244, 241, 236, 0.1);
  --accent: #e8894a;        /* copper / arc glow */
  --accent-ink: #0c0a09;
  --ascii: 244, 236, 226;   /* rgb for canvas glyphs */
  --ascii-hot: 255, 150, 80;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f3efe8;
  --bg-2: #e9e3d9;
  --ink: #1a1613;
  --ink-2: #57514b;
  --ink-3: #8b847c;
  --line: rgba(26, 22, 19, 0.12);
  --accent: #b8541c;
  --accent-ink: #fff8f0;
  --ascii: 26, 22, 19;
  --ascii-hot: 184, 84, 28;
  color-scheme: light;
}

:root {
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ─── Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.eyebrow {
  display: flex; flex-wrap: wrap; gap: 6px 18px;
  font: 500 0.75rem/1 var(--mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow span + span::before { content: '/'; margin-right: 18px; opacity: 0.5; }

.link {
  display: inline-flex; gap: 6px; align-items: center;
  font: 500 0.875rem/1 var(--mono);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: border-color 0.2s, color 0.2s;
}
.link:hover { color: var(--accent); border-color: var(--accent); }

/* ─── Nav ────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background-color 0.4s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.nav__brand { font-weight: 600; letter-spacing: -0.01em; }
.nav__links { display: flex; gap: 28px; margin-left: 24px; font-size: 0.9rem; color: var(--ink-2); }
.nav__links a { transition: color 0.2s; }
.nav__links a:hover { color: var(--ink); }
.nav nav { margin-right: auto; }

.theme-toggle {
  position: relative; flex-shrink: 0;
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  color: var(--ink-2);
  overflow: hidden;
  transition: color 0.2s, border-color 0.2s;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); }
.theme-toggle svg { grid-area: 1 / 1; transition: transform 0.5s var(--ease), opacity 0.3s; }
[data-theme="dark"] .theme-toggle__moon,
[data-theme="light"] .theme-toggle__sun { transform: translateY(140%) rotate(90deg); opacity: 0; }

.nav__cta {
  display: inline-flex; align-items: center; gap: 10px;
  height: 36px; padding: 0 16px; border-radius: 99px;
  font: 500 0.8rem/1 var(--mono);
  background: var(--ink); color: var(--bg);
  transition: transform 0.2s var(--ease);
}
.nav__cta:hover { transform: translateY(-1px); }
.pulse { position: relative; width: 7px; height: 7px; border-radius: 50%; background: #3ddc84; }
.pulse::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%; background: inherit;
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse { to { transform: scale(3); opacity: 0; } }

/* ─── Hero ───────────────────────────────────────────── */
.hero { padding-top: clamp(32px, 6vw, 72px); }
.hero__grid {
  display: grid; gap: clamp(32px, 5vw, 64px);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
}
.hero__copy .eyebrow { margin-bottom: 28px; }
.hero__title {
  font-size: clamp(2.6rem, 1.2rem + 5vw, 5.6rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}
.hero__title em { color: var(--accent); letter-spacing: -0.01em; padding-right: 0.05em; }
.hero__lede { max-width: 50ch; color: var(--ink-2); font-size: 1.075rem; margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 24px; border-radius: 99px;
  font-weight: 500;
  transition: transform 0.25s var(--ease), background-color 0.2s, color 0.2s, border-color 0.2s;
}
.btn svg { transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--solid:hover { transform: translateY(-2px); }
.btn--line { border: 1px solid var(--line); }
.btn--line:hover { border-color: var(--ink); }
.btn--line:hover svg { transform: translateY(2px); }

/* Portrait */
.portrait {
  position: relative; aspect-ratio: 1 / 1.08;
  border-radius: 28px; overflow: hidden;
  background: radial-gradient(120% 90% at 50% 40%, #1c1814 0%, #0a0807 70%);
  box-shadow: inset 0 0 0 1px rgba(244, 241, 236, 0.08), 0 30px 80px -40px rgba(0, 0, 0, 0.6);
}
.portrait::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 3px);
}
.portrait__canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: crosshair; touch-action: pan-y; }
.portrait__fallback { display: none; width: 100%; height: 100%; object-fit: cover; border-radius: 24px; }
.no-canvas .portrait__canvas { display: none; }
.no-canvas .portrait__fallback { display: block; }
.portrait__cap {
  position: absolute; left: 20px; right: 20px; bottom: 18px; z-index: 1; pointer-events: none;
  display: flex; justify-content: space-between;
  font: 400 0.7rem/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(244, 241, 236, 0.45);
}
.portrait__hint::before { content: '◎ '; color: var(--accent); }


/* ─── Section header ─────────────────────────────────── */
.section-head {
  display: flex; align-items: baseline; gap: 18px;
  padding-bottom: 20px; margin-bottom: clamp(32px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}
.section-head__idx { font: 500 0.75rem/1 var(--mono); color: var(--accent); }
.section-head__title { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.4rem); font-weight: 500; letter-spacing: -0.03em; }
.section-head__link { margin-left: auto; font: 500 0.85rem/1 var(--mono); color: var(--ink-2); transition: color 0.2s; }
.section-head__link:hover { color: var(--accent); }

section.numbers, section.work, section.approach { padding-top: clamp(80px, 11vw, 140px); }

/* ─── Numbers ────────────────────────────────────────── */
.numbers__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { padding: 8px 28px 8px 0; }
.metric + .metric { padding-left: 28px; border-left: 1px solid var(--line); }
.metric__value {
  display: flex; align-items: baseline; gap: 6px;
  font-size: clamp(2.6rem, 1.6rem + 3vw, 4.4rem); font-weight: 500;
  letter-spacing: -0.05em; line-height: 1;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.metric__value small { font: 400 0.95rem/1 var(--mono); letter-spacing: 0; color: var(--ink-3); }
.metric__desc { color: var(--ink-2); font-size: 0.95rem; max-width: 30ch; }

/* ─── Work ───────────────────────────────────────────── */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(40px, 5vw, 64px) clamp(20px, 3vw, 32px); }
.case--wide { grid-column: 1 / -1; }
.case a { display: block; }
.case__media {
  position: relative; overflow: hidden; border-radius: 20px;
  aspect-ratio: 16 / 10; background: var(--bg-2);
  margin-bottom: 20px;
}
.case--wide .case__media { aspect-ratio: 21 / 9; }
.case__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transform: scale(1.02);
  transition: filter 0.6s var(--ease), transform 0.9s var(--ease);
}
.case a:hover .case__media img { filter: grayscale(0); transform: scale(1.06); }
.case__media::after {
  content: 'View case →';
  position: absolute; left: 20px; bottom: 20px;
  padding: 10px 16px; border-radius: 99px;
  font: 500 0.8rem/1 var(--mono);
  background: var(--bg); color: var(--ink);
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.3s, transform 0.4s var(--ease);
}
.case a:hover .case__media::after { opacity: 1; transform: none; }
.case__meta {
  display: flex; gap: 14px; margin-bottom: 10px;
  font: 400 0.75rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3);
}
.case__meta span:first-child { color: var(--accent); }
.case__title { font-size: clamp(1.25rem, 1rem + 0.8vw, 1.75rem); font-weight: 500; letter-spacing: -0.025em; line-height: 1.15; max-width: 30ch; }
.case--wide .case__title { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.4rem); }

/* ─── Approach ───────────────────────────────────────── */
.approach__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.approach__quote {
  position: sticky; top: 120px;
  font-size: clamp(1.8rem, 1.2rem + 2.2vw, 3.2rem); font-weight: 500;
  letter-spacing: -0.035em; line-height: 1.08;
}
.approach__quote em { color: var(--accent); }
.principle { display: grid; grid-template-columns: 48px 1fr; gap: 8px; padding-block: 28px; border-top: 1px solid var(--line); }
.principle:first-child { border-top: 0; padding-top: 0; }
.principle__n { font: 500 0.8rem/1.8 var(--mono); color: var(--ink-3); }
.principle h3 { font-size: 1.3rem; font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 10px; }
.principle p { color: var(--ink-2); margin-bottom: 16px; max-width: 52ch; }

/* ─── CTA ────────────────────────────────────────────── */
.cta { margin-top: clamp(100px, 14vw, 180px); padding-block: clamp(72px, 10vw, 120px); border-top: 1px solid var(--line); }
.cta .eyebrow { margin-bottom: 28px; }
.cta__mail {
  display: block;
  font-size: clamp(3rem, 1rem + 8.5vw, 9rem); font-weight: 500;
  letter-spacing: -0.055em; line-height: 0.92;
}
.cta__line { display: block; transition: transform 0.6s var(--ease); }
.cta__line em { color: var(--accent); letter-spacing: -0.02em; }
.cta__mail:hover .cta__line:last-child { transform: translateX(0.15em); }
.cta__row { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 44px; }

.foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding-block: 28px 40px;
  border-top: 1px solid var(--line);
  font: 400 0.75rem/1.4 var(--mono); color: var(--ink-3);
}

/* ─── Motion ─────────────────────────────────────────── */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

.split-word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.split-word > span { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease); }
.is-split .split-word > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal], .split-word > span { opacity: 1 !important; transform: none !important; transition: none !important; }
  .pulse::after { animation: none; }
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .portrait { max-width: 520px; width: 100%; margin-inline: auto; order: -1; }
  .numbers__grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .metric:nth-child(3) { padding-left: 0; border-left: 0; }
  .approach__grid { grid-template-columns: 1fr; }
  .approach__quote { position: static; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__cta { padding: 0 12px; font-size: 0.72rem; }
  .cases { grid-template-columns: 1fr; }
  .case--wide .case__media { aspect-ratio: 16 / 10; }
  .portrait { max-width: 360px; }
  .portrait__hint { display: none; }
}

@media (max-width: 420px) {
  .numbers__grid { grid-template-columns: 1fr; }
  .metric, .metric + .metric { padding: 0 0 28px; border-left: 0; border-bottom: 1px solid var(--line); }
  .nav__inner { gap: 10px; }
  .nav__cta { display: none; }
  .nav__brand, .nav__cta { white-space: nowrap; }
  .nav__brand { font-size: 0.95rem; }
  .hero__copy .eyebrow span:nth-child(3) { display: none; }
}

/* ═══════════════════════════════════════════════════════
   Shared page system (inner pages)
   ═══════════════════════════════════════════════════════ */

/* Nav: active link + mobile menu */
.nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a[aria-current="page"]::after {
  content: ''; display: block; height: 1px; margin-top: 3px; background: var(--accent);
}
.nav-toggle {
  display: none; flex-shrink: 0;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; width: 14px; height: 1.5px; background: var(--ink); transition: transform 0.3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
.mobile-nav {
  position: fixed; inset: 64px 0 0; z-index: 49;
  background: var(--bg);
  padding: 32px var(--gutter);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav ul { display: grid; gap: 4px; }
.mobile-nav a {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 2rem; font-weight: 500; letter-spacing: -0.03em;
}
.mobile-nav a::after { content: '→'; font: 400 1rem var(--mono); color: var(--accent); }

@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* Client logos: full-bleed marquee. JS clones the set for a seamless loop;
   text shows until each logo file loads. */
.logos {
  margin-top: clamp(48px, 7vw, 88px);
  border-block: 1px solid var(--line);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.logos__rail { display: flex; width: max-content; animation: logos 48s linear infinite; }
.logos:hover .logos__rail { animation-play-state: paused; }
.logos__set { display: flex; align-items: center; }
.logos__item {
  display: grid; place-items: center;
  width: 280px; height: 140px; padding: 0 28px;
  font-size: 1.5rem; font-weight: 500; letter-spacing: -0.03em; white-space: nowrap;
  color: var(--ink-2); transition: color 0.3s;
}
.logos__item:hover { color: var(--ink); }
.logos__item img {
  grid-area: 1 / 1;
  height: calc(var(--logo-h, 64px) * var(--logo-scale, 1)); max-width: 100%; width: auto; object-fit: contain;
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease);
}
.logo-mono { opacity: 0.7; filter: brightness(0) invert(1); }
[data-theme="light"] .logo-mono { filter: brightness(0); }
.logo-color { opacity: 0; transform: scale(0.96); }
.logos__item:hover .logo-color { opacity: 1; transform: scale(1.04); }
.logos__item:hover .logo-mono:not(:only-child) { opacity: 0; transform: scale(1.04); }
.logos__item:hover .logo-mono:only-child { opacity: 1; }
@keyframes logos { to { transform: translateX(calc(-100% / 3)); } }
@media (max-width: 720px) {
  .logos__item { width: 200px; height: 104px; padding: 0 20px; font-size: 1.2rem; }
  .logos { --logo-scale: 0.75; }
}
@media (prefers-reduced-motion: reduce) { .logos__rail { animation: none; } }

/* Page hero */
.page-hero { padding-top: clamp(48px, 8vw, 112px); padding-bottom: clamp(40px, 6vw, 72px); }
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero__title {
  font-size: clamp(2.4rem, 1.2rem + 4.4vw, 5rem); font-weight: 500;
  line-height: 1; letter-spacing: -0.045em;
  max-width: 18ch;
}
.page-hero__title em { color: var(--accent); letter-spacing: -0.01em; }
.page-hero__lede { max-width: 58ch; margin-top: 28px; font-size: 1.125rem; color: var(--ink-2); }
.page-hero__media {
  margin-top: clamp(40px, 6vw, 72px);
  border-radius: 24px; overflow: hidden; background: var(--bg-2);
}
.page-hero__media img { width: 100%; height: auto; }

/* Fact row (case-study metadata) */
.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--line);
}
.facts > div { padding: 18px 20px 0 0; }
.facts dt { font: 500 0.7rem/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.facts dd { font-weight: 500; }

/* Chapter: sticky label left, content right */
.chapter {
  display: grid; grid-template-columns: minmax(200px, 0.75fr) minmax(0, 2fr);
  gap: clamp(24px, 5vw, 80px);
  padding-block: clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--line);
}
.chapter__head { align-self: start; position: sticky; top: 100px; }
.chapter__kicker { font: 500 0.75rem/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.chapter__title { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); font-weight: 500; line-height: 1.08; letter-spacing: -0.035em; }
.chapter__title em { color: var(--accent); }
.chapter__body { min-width: 0; }
.chapter__body > p, .block p { color: var(--ink-2); line-height: 1.65; max-width: 66ch; }
.chapter__body > p + p, .block p + p { margin-top: 1em; }
.chapter__body > p:first-child { font-size: 1.2rem; color: var(--ink); line-height: 1.5; }
.block { padding-block: 28px; border-top: 1px solid var(--line); }
.block:first-child { padding-top: 0; border-top: 0; }
.block h3 { font-size: 1.3rem; font-weight: 500; letter-spacing: -0.02em; line-height: 1.25; margin-bottom: 12px; }
.block ul, .chapter__body > ul { display: grid; gap: 10px; margin-top: 12px; color: var(--ink-2); max-width: 66ch; }
.block li, .chapter__body > ul li { position: relative; padding-left: 20px; line-height: 1.55; }
.block li::before, .chapter__body > ul li::before { content: '+'; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.block a, .chapter__body p a { color: var(--ink); border-bottom: 1px solid var(--accent); }

/* Result stats inside a chapter */
.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.results > div { background: var(--bg); padding: 24px; }
.results strong { display: block; font-size: clamp(1.8rem, 1.3rem + 1.5vw, 2.6rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1; margin-bottom: 10px; }
.results span { color: var(--ink-2); font-size: 0.95rem; }

/* Pull quote */
.pull {
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.2rem); font-weight: 500;
  letter-spacing: -0.03em; line-height: 1.15;
  padding: 32px 0; max-width: 28ch;
}
.pull em { color: var(--accent); }

/* Gallery grid + lightbox (behaviour lives in /scripts/main.js) */
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.gallery-grid li { display: contents; }
.gallery-grid__item {
  position: relative; display: block; width: 100%;
  aspect-ratio: 4 / 3; overflow: hidden;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px;
  cursor: zoom-in;
  transition: border-color 0.3s;
}
.gallery-grid__item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 0.6s var(--ease); }
.gallery-grid__item:hover { border-color: var(--ink-3); }
.gallery-grid__item:hover img { transform: scale(1.04); }
.gallery-grid__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 14px 12px; text-align: left;
  font: 500 0.75rem/1.2 var(--mono); letter-spacing: 0.04em; text-transform: uppercase;
  color: #f4f1ec;
  background: linear-gradient(to top, rgba(12, 10, 9, 0.85), transparent);
  pointer-events: none;
}
.gallery-grid--portrait .gallery-grid__item { aspect-ratio: 672 / 1462; background: var(--bg); border-radius: 22px; }
.gallery-grid--portrait .gallery-grid__item img { object-position: center; }
@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .gallery-grid--portrait { grid-template-columns: repeat(4, 1fr); }
}
.chapter--gallery { grid-template-columns: 1fr; }
.chapter--gallery .chapter__head { position: static; }

.lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(8, 7, 6, 0.95); display: flex; flex-direction: column; user-select: none; color: #f4f1ec; }
.lightbox[hidden] { display: none; }
.lightbox__stage { flex: 1; overflow: hidden; display: flex; align-items: center; justify-content: center; cursor: zoom-in; touch-action: none; }
.lightbox__stage.is-zoomed { cursor: grab; }
.lightbox__stage.is-panning { cursor: grabbing; }
.lightbox__img { max-width: 92vw; max-height: calc(100vh - 120px); object-fit: contain; transform-origin: 0 0; transition: transform 0.2s var(--ease); will-change: transform; pointer-events: none; }
.lightbox.is-zoomed .lightbox__img { transition: none; }
.lightbox__bar { position: absolute; inset: 0 0 auto; padding: 18px var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 16px; background: linear-gradient(to bottom, rgba(8, 7, 6, 0.6), transparent); pointer-events: none; z-index: 1; }
.lightbox__caption { font: 500 0.8rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; pointer-events: auto; }
.lightbox__actions { display: flex; gap: 8px; pointer-events: auto; }
.lightbox__btn, .lightbox__nav {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; color: #f4f1ec;
  background: rgba(244, 241, 236, 0.08); border: 1px solid rgba(244, 241, 236, 0.12);
  transition: background 0.2s;
}
.lightbox__btn { width: 40px; height: 40px; }
.lightbox__btn:hover, .lightbox__nav:hover { background: rgba(244, 241, 236, 0.18); }
.lightbox__btn[disabled] { opacity: 0.35; cursor: not-allowed; }
.lightbox__btn[hidden] { display: none; }
.lightbox__btn svg { width: 16px; height: 16px; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; z-index: 1; }
.lightbox__nav--prev { left: clamp(12px, 2vw, 24px); }
.lightbox__nav--next { right: clamp(12px, 2vw, 24px); }
.lightbox__nav svg { width: 18px; height: 18px; }

/* Next case study */
.next-case { display: block; padding-block: clamp(64px, 9vw, 120px); border-top: 1px solid var(--line); }
.next-case__kicker { font: 500 0.75rem/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.next-case__title {
  font-size: clamp(2rem, 1rem + 4vw, 4.4rem); font-weight: 500;
  letter-spacing: -0.045em; line-height: 1; max-width: 20ch;
  transition: color 0.3s;
}
.next-case__title::after { content: ' →'; color: var(--accent); display: inline-block; transition: transform 0.4s var(--ease); }
.next-case:hover .next-case__title::after { transform: translateX(0.2em); }
.next-case__row { display: flex; gap: 28px; margin-top: 28px; }

/* Generic card grid (lab, solutions, leadership) */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 16px; }
.card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 28px; border-radius: 20px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.card h3 { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; }
.card p { color: var(--ink-2); line-height: 1.6; }
.card__n { font: 500 0.75rem/1 var(--mono); color: var(--accent); }

/* Short CTA band used at the bottom of inner pages */
.cta--compact { margin-top: 0; }
.cta--compact .cta__mail { font-size: clamp(2.4rem, 1rem + 5.5vw, 6rem); }

@media (max-width: 860px) {
  .chapter { grid-template-columns: 1fr; }
  .chapter__head { position: static; }
}

/* Results: optional unit inside the number, optional label + description below */
.results strong span { font: 400 0.9rem/1 var(--mono); letter-spacing: 0; color: var(--ink-3); margin-left: 4px; }
.results span:has(+ p) { display: block; color: var(--ink); font-weight: 500; }
.results p { margin-top: 10px; color: var(--ink-2); font-size: 0.95rem; line-height: 1.55; }
.foot { align-items: center; }
.foot__links { display: flex; flex-wrap: wrap; gap: 20px; }
.foot__links .link { font-size: 0.75rem; }