/* ============================================================
   TCCA 2026 — main.css
   Dark-locked editorial page. One deliberate flip to bone at
   the closing CTA (mirrors the brand intro sheet).
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: 'TT Ramillas';
  src: url('../assets/fonts/TTRamillas-Light.woff2') format('woff2'),
    url('../assets/fonts/TTRamillas-Light.otf') format('opentype');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TT Ramillas';
  src: url('../assets/fonts/TTRamillas-LightItalic.woff2') format('woff2'),
    url('../assets/fonts/TTRamillas-LightItalic.otf') format('opentype');
  font-weight: 300; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'TT Ramillas';
  src: url('../assets/fonts/TTRamillas-Regular.woff2') format('woff2'),
    url('../assets/fonts/TTRamillas-Regular.otf') format('opentype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TT Ramillas';
  src: url('../assets/fonts/TTRamillas-Italic.woff2') format('woff2'),
    url('../assets/fonts/TTRamillas-Italic.otf') format('opentype');
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'TT Ramillas';
  src: url('../assets/fonts/TTRamillas-Medium.woff2') format('woff2'),
    url('../assets/fonts/TTRamillas-Medium.otf') format('opentype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Rethink Sans';
  src: url('../assets/fonts/RethinkSans-VariableFont_wght.woff2') format('woff2'),
    url('../assets/fonts/RethinkSans-VariableFont_wght.ttf') format('truetype');
  font-weight: 400 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Rethink Sans';
  src: url('../assets/fonts/RethinkSans-Italic-VariableFont_wght.woff2') format('woff2'),
    url('../assets/fonts/RethinkSans-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 400 800; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'Cinderblock';
  src: url('../assets/fonts/Cinderblock.woff2') format('woff2'),
    url('../assets/fonts/Cinderblock.otf') format('opentype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'ZT Ravigsfen';
  src: url('../assets/fonts/ZTRavigsfen-Regular.woff2') format('woff2'),
    url('../assets/fonts/ZTRavigsfen-Regular.otf') format('opentype');
  font-weight: 400; font-style: normal; font-display: swap;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--obsidian);
  color: var(--bone);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }

h1, h2, h3 { font-weight: 400; }

/* ---------- Film grain (fixed, non-scrolling, cheap) ---------- */
.grain {
  position: fixed; inset: -60px;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.8;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.12'/%3E%3C/svg%3E");
  animation: grain-jitter 0.9s steps(2) infinite;
  will-change: transform;
}
@keyframes grain-jitter {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-24px, 12px); }
  40% { transform: translate(14px, -28px); }
  60% { transform: translate(-30px, -10px); }
  80% { transform: translate(22px, 24px); }
  100% { transform: translate(0, 0); }
}
:root[data-theme="light"] .grain { filter: invert(1); opacity: 0.45; }

/* ---------- Skip link (visually hidden until focused) ---------- */
.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: calc(var(--z-grain) + 5);
  background: var(--bone);
  color: var(--obsidian);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.85em 1.4em;
  border-radius: 999px;
}
.skip-link:not(:focus) {
  clip-path: inset(50%);
  width: 1px; height: 1px;
  overflow: hidden;
  white-space: nowrap;
  padding: 0;
}

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--space-7); }

/* ---------- Loader ---------- */
.loader {
  position: fixed; inset: 0;
  z-index: calc(var(--z-grain) + 10);
  background: #050604;
  display: flex; align-items: center; justify-content: center;
  transition: transform 1s var(--ease-inout);
}
.loader.is-done { transform: translateY(-101%); }
.loader.is-removed { display: none; }
.loader-words {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 8.2rem);
  line-height: 0.92;
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 0.01em;
  color: #fff;
}
.loader-words span {
  display: block;
  opacity: 0;
  filter: blur(14px);
  transform: translateY(0.35em);
  transition:
    opacity var(--dur-med) var(--ease-out),
    filter var(--dur-med) var(--ease-out),
    transform var(--dur-med) var(--ease-out);
}
.loader-words span.is-in {
  opacity: 1; filter: blur(0); transform: translateY(0);
}
.loader-mark {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  width: clamp(44px, 5vw, 64px);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out);
}
.loader-mark.is-in { opacity: 1; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent;
  transition: background var(--dur-med) ease, backdrop-filter var(--dur-med) ease;
}
/* nav edge: a white hairline with a subtle pulsating glow */
.nav::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.55) 18%,
    rgba(255, 255, 255, 0.75) 50%,
    rgba(255, 255, 255, 0.55) 82%,
    transparent 100%);
  opacity: 0;
  transition: opacity 0.6s ease;
}
.nav::before {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -8px;
  height: 8px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.16) 20%,
    rgba(255, 255, 255, 0.24) 50%,
    rgba(255, 255, 255, 0.16) 80%,
    transparent 100%);
  filter: blur(6px);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}
.nav.is-scrolled::after,
.nav.is-scrolled::before {
  animation: edge-pulse 4.2s var(--ease-inout) infinite;
}
@keyframes edge-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}
.nav.is-scrolled {
  background: var(--nav-glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}
/* Light theme: the white logomark flips to ink, except over the home page's
   dark hero while the nav is still transparent */
:root[data-theme="light"] .nav-logo img { filter: brightness(0); }
:root[data-theme="light"] body.has-dark-hero .nav:not(.is-scrolled) .nav-logo img { filter: none; }
:root[data-theme="light"] body.has-dark-hero .nav:not(.is-scrolled) .nav-links a:not(.nav-cta) { color: #a8a7a4; }
:root[data-theme="light"] body.has-dark-hero .nav:not(.is-scrolled) .nav-links a:not(.nav-cta):hover,
:root[data-theme="light"] body.has-dark-hero .nav:not(.is-scrolled) .nav-links a[aria-current="page"]:not(.nav-cta) { color: #f1f0ee; }
:root[data-theme="light"] body.has-dark-hero .nav:not(.is-scrolled) .nav-burger span { background: #f1f0ee; }
.nav-inner {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
}
.nav-logo img { height: 28px; width: auto; }
.nav-links { display: flex; gap: var(--space-4); align-items: center; }
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bone-dim);
  /* invisible padding lifts the tap target to ≥44px inside the 72px bar */
  padding-block: 0.85rem;
  transition: color var(--dur-fast) ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a.nav-cta {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--obsidian);
  background: var(--bone);
  padding: 0.6em 1.4em;
  border-radius: 999px;
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast) ease;
}
.nav-links a.nav-cta:hover { filter: brightness(1.12); }
.nav-links a.nav-cta:active { transform: scale(0.98); }
.nav-burger { display: none; }

/* Mobile menu */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-burger {
    display: flex; flex-direction: column; gap: 6px;
    padding: 10px 4px;
  }
  .nav-burger span {
    width: 26px; height: 1.5px; background: var(--bone);
    transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) ease;
  }
  .nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}
.menu {
  position: fixed; inset: 0;
  z-index: var(--z-menu);
  background: var(--obsidian);
  display: flex; flex-direction: column; justify-content: center;
  padding-inline: var(--gutter);
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--dur-med) var(--ease-inout);
  visibility: hidden;
}
.menu.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
.menu a {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: 1.25;
  color: var(--bone);
  border-bottom: 1px solid var(--line);
  padding-block: var(--space-2);
}
.menu a em { font-style: italic; color: var(--bone-dim); }
.menu-close {
  position: absolute; top: 18px; right: var(--gutter);
  font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.1em;
  color: var(--bone-dim);
  padding: 10px;
}

/* ---------- Section transition divider ---------- */
.sec-divider {
  height: 1px;
  margin-bottom: var(--space-5);
  background: linear-gradient(90deg, var(--accent) 0%, var(--line-strong) 22%, var(--line) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s var(--ease-inout);
}
.sec-divider.is-in { transform: scaleX(1); }
.on-bone .sec-divider { background: linear-gradient(90deg, var(--accent) 0%, var(--line-ink) 30%, transparent 100%); }

/* ---------- Reveal-on-scroll ---------- */
.rv {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--rv-delay, 0s);
}
.rv.is-in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex; align-items: flex-end;
  padding-bottom: var(--space-6);
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
}
.hero-media video, .hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.25) contrast(1.02);
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(5,6,4,0.94) 0%, rgba(5,6,4,0.45) 42%, rgba(5,6,4,0.35) 100%);
}
.hero-inner {
  position: relative;
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, var(--phi-major)) minmax(0, var(--phi-minor));
  gap: var(--space-4);
  align-items: end;
}
.hero h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-2xl);
  line-height: 1.02;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.5);
}
.hero h1 em { font-style: italic; }
.hero-side {
  display: flex; flex-direction: column; gap: var(--space-3);
  padding-bottom: 0.4em;
}
.hero-side p {
  color: var(--bone-dim);
  max-width: 34ch;
}
.hero-ctas { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1em 1.9em;
  border-radius: 999px;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;
  will-change: transform;
}
.btn:active { transform: scale(0.97); }
.btn-solid { background: var(--bone); color: var(--obsidian); }
.btn-solid:hover { filter: brightness(1.1); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--bone); }
.btn-ghost:hover { border-color: var(--bone); }
/* On bone sections */
.on-bone .btn-solid { background: var(--ink); color: var(--bone); }
.on-bone .btn-solid:hover { filter: brightness(1.15); }
.on-bone .btn-ghost { border-color: var(--line-ink); color: var(--ink); }
.on-bone .btn-ghost:hover { border-color: var(--ink); }

/* ---------- Section headers ---------- */
.sec-label {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: var(--text-md);
  color: var(--bone-dim);
  line-height: 1.2;
  padding-bottom: 0.3em;
  margin-bottom: var(--space-2);
}
.sec-label::before { content: "+ "; font-style: normal; color: var(--accent); }
.sec-head {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-xl);
  line-height: 1.06;
  letter-spacing: -0.01em;
  max-width: 14ch;
  margin-bottom: var(--space-5);
  text-wrap: balance;
}
.sec-head em { font-style: italic; }

/* ---------- Services ---------- */
.service-row {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--line);
}
.service-h { margin: 0; }
.service-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  text-align: left;
}
.service-title {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--bone-dim);
  transition: color var(--dur-fast) ease, transform var(--dur-med) var(--ease-out);
}
.service-row:hover .service-title,
.service-row.is-open .service-title { color: var(--bone); transform: translateX(0.35em); }
.service-arrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--bone-faint);
  transition: transform var(--dur-med) var(--ease-out), color var(--dur-fast) ease;
}
.service-row:hover .service-arrow, .service-row.is-open .service-arrow { color: var(--bone); transform: rotate(45deg); }
.service-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease-inout);
}
.service-body > div { overflow: hidden; }
.service-row.is-open .service-body { grid-template-rows: 1fr; }
.service-desc {
  display: grid;
  grid-template-columns: minmax(0, var(--phi-major)) minmax(0, var(--phi-minor));
  gap: var(--space-4);
  padding-block: var(--space-2) var(--space-3);
}
.service-desc p { color: var(--bone-dim); max-width: 52ch; }
.service-desc ul {
  display: flex; flex-wrap: wrap; gap: 0.5em;
  align-content: start;
}
.service-desc li {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45em 1em;
  color: var(--bone-dim);
}

/* ---------- Success partners: static logo grid ---------- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6) var(--space-4);
  align-items: center;
  justify-items: center;
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
/* typographic marks for partners without a supplied logo file */
.partner-word {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.05rem, 1.6vw, 1.45rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--bone);
  opacity: 0.6;
  transition: opacity 0.45s ease;
  line-height: 1.2;
}
.partner-word small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.5em;
  font-weight: 700;
  letter-spacing: 0.34em;
  color: var(--bone-faint);
  margin-top: 0.35em;
}
.partner-word--display {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-size: clamp(1.2rem, 1.9vw, 1.7rem);
}
.partner-word:hover { opacity: 1; }
.partners-grid img {
  /* uniform bounding box so mixed aspect ratios read as one family */
  width: min(100%, 150px);
  height: clamp(30px, 3vw, 42px);
  object-fit: contain;
  /* monochrome at rest, full brand color on hover */
  filter: brightness(0) invert(0.95);
  opacity: 0.6;
  transition: filter 0.45s ease, opacity 0.45s ease;
}
/* square-ish emblems: narrower + taller box */
.partners-grid img.logo-tall { width: min(100%, 100px); height: clamp(40px, 3.8vw, 54px); }
/* long thin wordmarks: wider box so they don't read undersized */
.partners-grid img.logo-wide { width: min(100%, 190px); }
.partners-more {
  margin-top: var(--space-4);
  text-align: center;
}
.partners-more a {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-faint);
  transition: color var(--dur-fast) ease;
}
.partners-more a:hover { color: var(--bone); }
.partners-grid img:hover { filter: none; opacity: 1; }
:root[data-theme="light"] .partners-grid img { filter: brightness(0); }
:root[data-theme="light"] .partners-grid img:hover { filter: none; }
/* Dark-ink marks would vanish on the obsidian ground — their hover reveal
   only fires on the light theme (whose higher-specificity rule wins there) */
.partners-grid img.logo-dark-ink:hover { filter: brightness(0) invert(0.95); }
/* White artwork (Four Seasons) is the mirror case: reveal on dark only */
:root[data-theme="light"] .partners-grid img.logo-light-ink:hover { filter: brightness(0); }

/* ---------- Partners marquee (legacy) ---------- */
.partners { padding-block: var(--space-6); overflow: hidden; }
.partners-note {
  text-align: center;
  color: var(--bone-faint);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.marquee {
  display: flex;
  gap: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  flex-shrink: 0;
  align-items: baseline;
  gap: var(--space-6);
  padding-right: var(--space-6);
  animation: marquee 38s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}
.marquee-track { align-items: center; }
.marquee-track img {
  height: clamp(30px, 3.4vw, 46px);
  width: auto;
  /* every mark becomes a bone-white silhouette (all sources are
     transparent-background after preprocessing) */
  filter: brightness(0) invert(0.92) sepia(0.06);
  opacity: 0.62;
  transition: opacity var(--dur-fast) ease;
}
.marquee-track img:hover { opacity: 1; }
.marquee-track img.logo-tall { height: clamp(44px, 4.6vw, 64px); }
:root[data-theme="light"] .marquee-track img { filter: brightness(0) opacity(0.99); }

/* ---------- Work accordion (home): collage of slices, hover expands ---------- */
.work-accordion {
  display: flex;
  gap: 5px;
  margin-inline: var(--gutter);
  height: clamp(400px, 64vh, 660px);
}
.acc-item {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  transition: flex 0.85s var(--ease-inout);
}
.acc-item a { display: block; position: absolute; inset: 0; }
.acc-item img, .acc-item video.work-loop {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.4) brightness(0.82);
  transition: filter var(--dur-med) ease, transform 1.2s var(--ease-out);
}
.acc-item video.work-loop { opacity: 0; transition: opacity var(--dur-med) ease; }
.acc-item:hover, .acc-item.is-open { flex: 3.4; }
.acc-item:hover img, .acc-item.is-open img,
.acc-item:hover video.work-loop, .acc-item.is-open video.work-loop {
  filter: grayscale(0) brightness(1);
}
.acc-item:hover video.work-loop, .acc-item.is-open video.work-loop { opacity: 1; }
.acc-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5, 6, 4, 0.75), transparent 45%);
  pointer-events: none;
}
/* collapsed state: rotated label, echoing the collage reference */
.acc-label {
  position: absolute;
  left: 50%; bottom: var(--space-3);
  transform: translateX(-50%);
  writing-mode: vertical-rl;
  rotate: 180deg;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
  white-space: nowrap;
  z-index: 2;
  transition: opacity var(--dur-fast) ease;
  pointer-events: none;
}
.acc-meta {
  position: absolute;
  left: var(--space-3); right: var(--space-3); bottom: var(--space-3);
  z-index: 2;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-med) ease, transform var(--dur-med) var(--ease-out);
  pointer-events: none;
}
.acc-meta h3 { font-size: var(--text-md); font-weight: 600; font-family: var(--font-sans); line-height: 1.15; color: var(--bone); }
.acc-meta p { font-size: var(--text-sm); color: var(--bone-dim); margin-top: 0.2em; }
.acc-item:hover .acc-label, .acc-item.is-open .acc-label { opacity: 0; }
.acc-item:hover .acc-meta, .acc-item.is-open .acc-meta { opacity: 1; transform: none; }

/* Cursor-follow view pill (desktop pointer only).
   Outer element is moved with rAF transforms; inner handles show/hide. */
.view-pill {
  position: fixed;
  top: 0; left: 0;
  z-index: 45;
  pointer-events: none;
  will-change: transform;
}
.view-pill i {
  display: block;
  font-style: normal;
  background: var(--accent);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75em 1.4em;
  border-radius: 999px;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.6);
  transition: opacity 0.25s ease, transform 0.25s var(--ease-out);
}
.view-pill.is-on i { opacity: 1; transform: translate(-50%, -50%) scale(1); }
@media (hover: none), (max-width: 860px) { .view-pill { display: none; } }

/* ---------- Portfolio grid (asymmetric, φ proportions) ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4) var(--space-3);
}
.work-item { position: relative; overflow: hidden; }
.work-item a { display: block; position: relative; }
.work-item img, .work-item video {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.2s var(--ease-out), filter var(--dur-med) ease;
}
.work-item:hover img, .work-item:hover video { transform: scale(1.035); }
.work-media { position: relative; overflow: hidden; aspect-ratio: 3 / 2; }
.work-media.is-wide { aspect-ratio: 3 / 2; }
.work-media video.work-loop {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity var(--dur-med) ease;
}
.work-item:hover video.work-loop { opacity: 1; }
.work-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: var(--space-2);
  gap: var(--space-2);
}
.work-meta h3 { font-family: var(--font-sans); font-size: var(--text-base); font-weight: 700; }
.work-meta p { font-size: var(--text-sm); color: var(--bone-faint); }
.work-more { text-align: center; margin-top: var(--space-6); }

/* ---------- Case studies (sticky stack) ---------- */
.case-stack { position: relative; }
.case-panel {
  position: sticky;
  top: var(--nav-h);
  min-height: calc(100dvh - var(--nav-h));
  display: flex;
  align-items: center;
  background: var(--obsidian);
  border-top: 1px solid var(--line);
  padding-block: var(--space-5);
}
.case-panel-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
/* one case study per panel: visual left, text right */
.case-entry {
  display: grid;
  grid-template-columns: minmax(0, 52%) minmax(0, 48%);
  gap: var(--space-5);
  align-items: center;
}
.case-info { display: flex; flex-direction: column; gap: var(--space-3); }
.case-client {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.case-info h3 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-lg);
  line-height: 1.15;
  text-wrap: balance;
}
.case-info h3 em { font-style: italic; }
.case-info p { color: var(--bone-dim); max-width: 42ch; }
.case-link {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-strong);
  align-self: flex-start;
  padding-bottom: 0.35em;
  transition: border-color var(--dur-fast) ease;
}
.case-link:hover { border-color: var(--accent); color: var(--bone); }
.case-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; align-self: center; }
.case-media img, .case-media video {
  width: 100%; height: 100%; object-fit: cover;
}
.case-media video { position: absolute; inset: 0; opacity: 0; transition: opacity var(--dur-med) ease; }
.case-entry:hover .case-media video { opacity: 1; }

/* ---------- Working with us (glimpse strip) ---------- */
.glimpse .sec-head { margin-bottom: var(--space-4); }
.glimpse-strip {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-2);
  scrollbar-width: none;
}
.glimpse-strip::-webkit-scrollbar { display: none; }
/* slim scroll indicator: doubles as a scrubber (click to jump, drag to scroll) */
.strip-progress {
  margin-top: var(--space-3);
  height: 1px;
  background: var(--line);
  position: relative;
  cursor: pointer;
  touch-action: none;
}
/* invisible enlarged hit zone so the 1px line is easy to grab */
.strip-progress::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: -12px; bottom: -12px;
}
.strip-progress.is-dragging { cursor: grabbing; }
.strip-progress.is-dragging span { transition: none; }
.strip-progress span {
  position: absolute;
  left: 0; top: -1px;
  height: 3px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.15s ease;
  will-change: transform;
}
.glimpse-card {
  flex: 0 0 clamp(240px, 30vw, 420px);
  scroll-snap-align: start;
}
.glimpse-card figure { overflow: hidden; aspect-ratio: 1 / 1.272; }
.glimpse-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.glimpse-card:hover img { transform: scale(1.04); }
.glimpse-card figcaption {
  padding-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--bone-dim);
}
.glimpse-card figcaption strong { display: block; color: var(--bone); font-size: var(--text-base); margin-bottom: 0.2em; }

/* ---------- Value ---------- */
.value-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--phi-minor)) minmax(0, var(--phi-major));
  gap: var(--space-5);
  align-items: start;
}
.value-side {
  position: sticky;
  top: calc(var(--nav-h) + var(--space-4));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.value-lede {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-md);
  line-height: 1.35;
  color: var(--bone);
}
.value-form {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.value-lede em { font-style: italic; }
.value-list { display: flex; flex-direction: column; }
.value-item {
  padding-block: var(--space-4);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  align-items: baseline;
}
.value-item i {
  font-family: var(--font-narrow);
  font-style: normal;
  font-size: var(--text-md);
  color: var(--accent);
  min-width: 2.2em;
}
.value-item h3 { font-size: var(--text-md); font-weight: 600; font-family: var(--font-sans); margin-bottom: 0.35em; }
.value-item p { color: var(--bone-dim); max-width: 52ch; }

/* ---------- FAQ ---------- */
.faq-section { position: relative; }
.faq-list { max-width: 62rem; position: relative; z-index: 1; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-3);
  text-align: left;
  padding-block: var(--space-3);
  font-size: var(--text-md);
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.3;
}
.faq-q span:last-child {
  font-style: italic;
  color: var(--bone-faint);
  transition: transform var(--dur-med) var(--ease-out);
  flex-shrink: 0;
}
.faq-item.is-open .faq-q span:last-child { transform: rotate(45deg); }
.faq-a {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease-inout);
}
.faq-a > div { overflow: hidden; }
.faq-a p { color: var(--bone-dim); max-width: 60ch; padding-bottom: var(--space-3); }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }

/* ---------- Closing CTA — the one deliberate theme flip ---------- */
.hello {
  background: var(--bone);
  color: var(--ink);
  padding-block: var(--space-7) var(--space-6);
  position: relative;
}
.hello .sec-label { color: var(--ink-dim); }
.hello-head {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-2xl);
  line-height: 0.98;
  letter-spacing: -0.015em;
}
.hello-head em { font-style: italic; }
.hello-row {
  display: grid;
  grid-template-columns: minmax(0, var(--phi-major)) minmax(0, var(--phi-minor));
  gap: var(--space-5);
  align-items: end;
  margin-top: var(--space-5);
}
.hello-row p { color: var(--ink-dim); max-width: 36ch; }
.hello-row .btn { justify-self: start; }

/* ---------- Footer ---------- */
.footer {
  background: var(--bone);
  color: var(--ink);
  border-top: 1px solid var(--line-ink);
  padding-block: var(--space-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
}
.footer h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: var(--space-2);
}
.footer a { color: var(--ink); }
.footer a:hover { opacity: 0.6; }
.footer li { margin-bottom: 0.5em; }
/* White stacked logo source; rendered ink on the light footer ground and
   left white when the footer flips dark in the light theme */
.footer-brand img { height: 58px; width: auto; margin-bottom: var(--space-3); filter: brightness(0); }
:root[data-theme="light"] .footer-brand img { filter: none; }
.footer-brand p { color: var(--ink-dim); max-width: 30ch; }
.footer-base {
  display: flex; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap;
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-ink);
  font-size: var(--text-sm);
  color: var(--ink-dim);
}
.footer-addr { color: var(--ink-dim); line-height: 1.55; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--space-6));
  padding-bottom: var(--space-5);
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-xl);
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 16ch;
  text-wrap: balance;
}
.page-hero h1 em { font-style: italic; }
.page-hero .lede {
  margin-top: var(--space-3);
  color: var(--bone-dim);
  max-width: 52ch;
  font-size: var(--text-md);
  font-weight: 400;
  line-height: 1.45;
}

/* ---------- Projects index ---------- */
.filter-bar {
  display: flex; gap: 0.5em; flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.filter-btn {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55em 1.3em;
  color: var(--bone-dim);
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease, background var(--dur-fast) ease;
}
.filter-btn:hover { color: var(--bone); border-color: var(--line-strong); }
.filter-btn.is-active { background: var(--bone); color: var(--obsidian); border-color: var(--bone); }
/* comfortable tap targets where there is no hover pointer */
@media (hover: none) {
  .filter-btn { min-height: 44px; }
}
.work-item.is-hidden { display: none; }

/* ---------- Case study detail ---------- */
.case-hero-media { margin-top: var(--space-4); overflow: hidden; }
.case-hero-media video, .case-hero-media img { width: 100%; aspect-ratio: 1.618 / 1; object-fit: cover; }
.case-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--line);
}
.case-facts h4 {
  font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--bone-faint); margin-bottom: 0.4em;
}
.case-section {
  display: grid;
  grid-template-columns: minmax(0, var(--phi-minor)) minmax(0, var(--phi-major));
  gap: var(--space-5);
  padding-block: var(--space-5);
}
.case-section h2 {
  font-family: var(--font-serif); font-style: italic; font-weight: 300;
  font-size: var(--text-md); color: var(--bone-dim);
  line-height: 1.28; padding-bottom: 0.25em;
}
.case-section h2::before { content: "+ "; font-style: normal; }
.case-section p { color: var(--bone-dim); max-width: 60ch; margin-bottom: 1em; }
.case-section p strong { color: var(--bone); font-weight: 600; }
.case-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); padding-bottom: var(--space-5); }
.case-gallery img, .case-gallery video { width: 100%; aspect-ratio: 1.272 / 1; object-fit: cover; }

/* ---------- About page ---------- */
.about-manifesto {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-lg);
  line-height: 1.25;
  max-width: 24ch;
  text-wrap: balance;
}
.about-manifesto em { font-style: italic; }
.about-split {
  display: grid;
  grid-template-columns: minmax(0, var(--phi-minor)) minmax(0, var(--phi-major));
  gap: var(--space-5);
  align-items: start;
  padding-block: var(--space-5);
}
.about-split figure { overflow: hidden; }
.about-split img { width: 100%; aspect-ratio: 1 / 1.272; object-fit: cover; }
.about-body p { color: var(--bone-dim); max-width: 58ch; margin-bottom: 1.2em; }
.about-body p strong { color: var(--bone); font-weight: 600; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--phi-minor)) minmax(0, var(--phi-major));
  gap: var(--space-6);
  align-items: start;
  padding-bottom: var(--space-7);
}
.contact-details { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-details h4 {
  font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--bone-faint); margin-bottom: 0.4em;
}
.contact-details a { border-bottom: 1px solid var(--line); padding-bottom: 0.1em; }
.contact-details a:hover { border-color: var(--bone); }
.form-field { display: flex; flex-direction: column; gap: 0.5em; margin-bottom: var(--space-3); }
.form-field label { font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.05em; }
.form-field input, .form-field textarea, .form-field select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--bone);
  font: inherit;
  padding: 0.7em 0;
  border-radius: 0;
  transition: border-color var(--dur-fast) ease;
}
.form-field select { appearance: none; }
.form-field option { color: var(--ink); }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--bone-faint); }
.form-hint { font-size: var(--text-sm); color: var(--bone-faint); }
.form-error { font-size: var(--text-sm); color: var(--error); display: none; }
.form-field.has-error .form-error { display: block; }
.form-field.has-error input, .form-field.has-error textarea { border-bottom-color: var(--error); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-success {
  display: none;
  padding: var(--space-3);
  border: 1px solid var(--line-strong);
  color: var(--bone);
}
.form-success.is-shown { display: block; }
.form-fail {
  display: none;
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--error);
  color: var(--bone);
}
.form-fail.is-shown { display: block; }
.form-fail a { color: var(--bone); text-decoration: underline; }

/* ---------- Blog ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}
.post-card { grid-column: span 4; }
.post-card:first-child { grid-column: span 8; }
.post-card:first-child .post-thumb { aspect-ratio: 1.618 / 1; }
.post-thumb { overflow: hidden; aspect-ratio: 1.272 / 1; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.post-card:hover .post-thumb img { transform: scale(1.04); }
.post-card time { display: block; font-size: var(--text-sm); color: var(--bone-faint); margin-top: var(--space-2); }
.post-card h3 {
  font-family: var(--font-serif); font-weight: 300;
  font-size: var(--text-md); line-height: 1.25; margin-top: 0.3em;
  text-wrap: balance;
}
.post-card p { color: var(--bone-dim); margin-top: 0.5em; font-size: var(--text-base); }

.article {
  max-width: 46rem;
  margin-inline: auto;
}
.article-hero { margin-block: var(--space-4) var(--space-5); }
.article-hero img { width: 100%; aspect-ratio: 1.618/1; object-fit: cover; }
.article h2 { font-family: var(--font-serif); font-weight: 300; font-size: var(--text-md); margin: 1.6em 0 0.6em; }
.article p { color: var(--bone-dim); margin-bottom: 1.1em; }
.article p strong { color: var(--bone); }

/* ---------- Reel lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  z-index: var(--z-menu);
  background: rgba(5, 6, 4, 0.94);
  display: none;
  align-items: center; justify-content: center;
  padding: var(--gutter);
}
.lightbox.is-open { display: flex; }
.lightbox video { max-width: min(1100px, 100%); max-height: 82dvh; width: 100%; }
.lightbox-close {
  position: absolute; top: 20px; right: var(--gutter);
  font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.1em;
  color: var(--bone-dim); padding: 10px;
}
.lightbox-close:hover { color: var(--bone); }

/* ---------- Mobile collapses ---------- */
@media (max-width: 860px) {
  .hero-inner,
  .case-entry,
  .value-grid,
  .hello-row,
  .contact-grid,
  .about-split,
  .case-section,
  .service-desc { grid-template-columns: 1fr; }
  .value-side { position: static; }
  .value-form { display: none; }
  .case-panel { position: static; min-height: 0; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-5) var(--space-3); }
  .work-accordion { flex-direction: column; height: auto; margin-inline: var(--gutter); }
  .acc-item { flex: none; height: 88px; transition: height 0.7s var(--ease-inout); }
  .acc-item.is-open { height: 340px; }
  .acc-item:hover { flex: none; }
  .acc-label {
    writing-mode: horizontal-tb;
    rotate: none;
    left: var(--space-3); right: auto; bottom: auto;
    top: 50%;
    transform: translateY(-50%);
  }
  .faq-bg { width: 260px; opacity: 0.7; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .case-facts { grid-template-columns: 1fr; gap: var(--space-3); }
  .work-grid { grid-template-columns: 1fr; }
  .post-card, .post-card:first-child { grid-column: 1 / -1; }
  .case-gallery { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-6); }
}

/* ---------- Dark-pinned zones (unaffected by the light theme):
   media-backed surfaces where text must stay bone on dark ---------- */
.hero, .loader, .acc-item, .lightbox {
  --obsidian: #050604;
  --bone: #f1f0ee;
  --bone-dim: #a8a7a4;
  --bone-faint: #7f7e7a;
  --line-strong: rgba(241, 240, 238, 0.3);
}

/* ---------- Floating contact dial ---------- */
.fab {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: var(--z-menu);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}
.fab-menu {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-width: 190px;
  background: var(--obsidian-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  transform-origin: bottom right;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out),
    visibility 0s linear var(--dur-fast);
}
.fab.is-open .fab-menu {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  visibility: visible;
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out),
    visibility 0s;
}
.fab-menu a, .fab-menu button {
  display: block;
  text-align: left;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--bone);
  border-radius: 7px;
  padding: 0.85em 1em;
  transition: background var(--dur-fast) ease;
  white-space: nowrap;
}
.fab-menu a:hover, .fab-menu button:hover { background: var(--obsidian-3); }
/* Theme segmented toggle */
.fab-theme {
  display: flex;
  gap: 3px;
  padding: 4px;
  margin-top: 8px;
  background: var(--obsidian-3);
  border-radius: 8px;
}
.fab-theme:hover { background: var(--obsidian-3); }
.fab-theme-opt {
  flex: 1;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--bone-faint);
  border-radius: 6px;
  padding: 0.5em 0.9em;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}
.fab-theme-opt.is-active { background: var(--bone); color: var(--obsidian); }
/* Social icon row */
.fab-socials {
  display: flex;
  gap: 3px;
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 8px;
}
.fab-socials a {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 0.55em 0;
  border-radius: 7px;
  color: var(--bone-dim);
}
.fab-socials a:hover { background: var(--obsidian-3); color: var(--bone); }
.fab-socials svg { width: 17px; height: 17px; display: block; }
.fab-toggle {
  width: 56px; height: 56px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast) ease;
}
.fab-toggle:hover { filter: brightness(1.1); }
.fab-toggle:active { transform: scale(0.94); }
.fab-toggle svg { width: 22px; height: 22px; transition: transform var(--dur-med) var(--ease-inout); }
.fab.is-open .fab-toggle svg { transform: rotate(90deg); }

/* ---------- Back to top: quiet fixed text, bottom centre ---------- */
.to-top {
  --glow: 241, 240, 238;
  position: fixed;
  left: 50%;
  bottom: 12px;
  z-index: var(--z-menu);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone-dim);
  padding: 0.6em 1.2em;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out),
    color var(--dur-fast) ease, visibility 0s var(--dur-fast);
}
:root[data-theme="light"] .to-top { --glow: 14, 15, 13; }
.to-top.is-shown {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  animation: totop-glow 2.8s ease-in-out infinite;
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out),
    color var(--dur-fast) ease, visibility 0s;
}
.to-top:hover { color: var(--bone); }
@keyframes totop-glow {
  0%, 100% { text-shadow: 0 0 6px rgba(var(--glow), 0.12); }
  50% { text-shadow: 0 0 16px rgba(var(--glow), 0.55); }
}

/* ---------- Reduced motion: targeted disables only.
   Ambient/decorative motion stops (grain jitter, edge pulse, marquee,
   reveals, hover zooms, loader choreography); functional state changes
   (accordions, FAQ, menus, dial) still switch — just instantly. ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  /* reveals + dividers render in place */
  .rv { opacity: 1; transform: none; transition: none; }
  .sec-divider { transform: scaleX(1); transition: none; }

  /* ambient loops off */
  .grain { animation: none; }
  .nav.is-scrolled::after,
  .nav.is-scrolled::before { animation: none; opacity: 0.75; }
  .marquee-track { animation: none; flex-wrap: wrap; }

  /* loader appears without the staged blur/slide */
  .loader { transition: none; }
  .loader-words span, .loader-mark { transition: none; opacity: 1; filter: none; transform: none; }

  /* hover zoom / pan stills */
  .work-item img, .work-item video,
  .glimpse-card img, .post-thumb img,
  .acc-item img, .acc-item video.work-loop,
  .service-title, .service-arrow, .faq-q span:last-child,
  .hero-media video, .hero-media img { transition-duration: 0s; }
  .work-item:hover img, .work-item:hover video { transform: none; }
  .glimpse-card:hover img { transform: none; }
  .post-card:hover .post-thumb img { transform: none; }

  /* functional expand/collapse switches state instantly but stays visible */
  .service-body, .faq-a, .acc-item, .menu, .fab-menu,
  .strip-progress span, .fab-toggle svg { transition-duration: 0s; }
}