/* QUIN , editorial layer.
   Structure follows the White Desert reference; every colour is from
   brand_assets/quin_brand_sheet.png. Nothing is invented. */

:root {
  /* brand sheet */
  --canvas: #F4F5F8;
  --mist: #EDEEF5;
  --haze: #DFE1EE;
  --violet: #7C83C3;
  --violet-deep: #5F65A0;
  --periwinkle: #A6ADD4;
  --obsidian: #1B1B1E;
  --slate: #5A5A63;

  /* roles, mapped one-for-one off the reference's own tokens */
  --bg: #fff;
  --surface: var(--canvas);
  --text: var(--obsidian);
  --muted: var(--slate);
  --faint: var(--haze);
  --rule: rgba(27, 27, 30, 0.12);
  --rule-light: rgba(255, 255, 255, 0.28);
  --accent: var(--violet-deep);
  --accent-soft: var(--violet);

  --font-sans: Archivo, system-ui, sans-serif;
  --font-serif: Newsreader, Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  --gutter: 6.5vw;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* the hidden attribute is a UA rule, so any author `display:` beats it. Several
   things here are shown and hidden through it (the lightbox, the logo
   fallbacks, the missing-resume notice), and a hidden element that still lays
   out is an invisible sheet over the page. This puts the attribute back on top. */
[hidden] { display: none !important; }

html {
  /* the reference scales the whole page off the viewport; this is that, with
     floor and ceiling so it stays readable on phones and very wide screens */
  font-size: clamp(14px, 1.1111vw, 18px);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-variation-settings: 'wdth' 96, 'wght' 400;
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  max-width: 100vw;
  overflow-x: clip;
}

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

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.on-dark :focus-visible, .hero :focus-visible { outline-color: #fff; }

/* ---------- type roles ---------- */

.serif { font-family: var(--font-serif); font-weight: 400; }
.serif-i { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.mono { font-family: var(--font-mono); }

/* the eyebrow lines and card titles: small italic serif, never all-caps */
.eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

/* centred display headings , "OUR TRIPS" in the reference */
.display-heading {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}

/* small bold condensed label , "OUR SEASON" */
.kicker {
  font-family: var(--font-sans);
  font-variation-settings: 'wdth' 82, 'wght' 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}

.prose { font-size: 0.95rem; line-height: 1.6; }
.prose--muted { color: var(--muted); }

/* ---------- shell ---------- */

.shell { width: 100%; padding-inline: var(--gutter); }
.section { padding-block: clamp(4rem, 9vw, 9rem); }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  padding: 1.35rem var(--gutter) 0.9rem;
  color: #fff;
  transition: color 400ms var(--ease);
}
.nav__set { display: flex; }
.nav__set--end { justify-self: end; }
.nav__link {
  border: 1px solid var(--rule-light);
  padding: 0.62em 2.1em;
  font-size: 0.9rem;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color 300ms var(--ease), border-color 300ms var(--ease),
              color 300ms var(--ease);
}
.nav__link + .nav__link { border-left: 0; }
.nav__link:hover, .nav__link:focus-visible { background-color: rgba(255, 255, 255, 0.14); }

.nav__brand { display: grid; justify-items: center; gap: 0.3rem; padding-top: 0.15rem; }
/* the home page drops the centre mark, so the bar loses its middle column */
.nav--plain { grid-template-columns: 1fr auto; }
.nav__mark { width: 1.9rem; height: 1.9rem; }
.nav__word {
  font-family: var(--font-sans);
  font-variation-settings: 'wdth' 88, 'wght' 700;
  font-size: 0.95rem;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
  line-height: 1;
}

/* once past the hero the bar inverts onto the page surface and takes a ground,
   or content scrolling underneath collides with it */
.nav.is-solid {
  color: var(--text);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: inset 0 -1px 0 var(--rule);
}
.nav.is-solid .nav__link { border-color: var(--rule); }
.nav.is-solid .nav__link:hover, .nav.is-solid .nav__link:focus-visible {
  background-color: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--obsidian);
}

.nav__toggle { display: none; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  /* half the fold, not all of it: the name introduces the work and the work
     starts before the first scroll */
  min-height: 50svh;
  display: grid;
  align-content: end;
  padding-bottom: clamp(1.5rem, 6vh, 4rem);
  overflow: hidden;
  background: var(--obsidian);
  color: #fff;
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(27, 27, 30, 0.72) 0%, rgba(27, 27, 30, 0.12) 46%, rgba(27, 27, 30, 0.5) 100%),
    linear-gradient(200deg, rgba(95, 101, 160, 0.55), rgba(27, 27, 30, 0.2));
}

/* the reference keeps a faint column grid drawn over the hero */
.hero__rules {
  position: absolute; inset: 0; z-index: -1;
  pointer-events: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.hero__rules span { border-left: 1px solid rgba(255, 255, 255, 0.11); }
.hero__rules span:first-child { border-left: 0; }

.hero__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-inline: var(--gutter);
  padding-bottom: clamp(1.4rem, 4vw, 3.5rem);
}
.hero__note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(0.82rem, 0.95vw, 0.98rem);
  line-height: 1.5;
  max-width: 30ch;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 2.5em;
  border-top: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
  padding: 0.8em 0.2em 0.8em 1.4em;
  min-width: 13rem;
  justify-content: space-between;
  font-size: 0.95rem;
  transition: background-color 320ms var(--ease);
}
.hero__cta:hover, .hero__cta:focus-visible { background-color: rgba(255, 255, 255, 0.12); }
.hero__cta svg { width: 0.8em; height: 0.8em; margin-right: 1.2em; }

/* the word bleeds off the bottom edge, as ANTARCTICA does */
.hero__word {
  font-family: var(--font-sans);
  font-variation-settings: 'wdth' 62, 'wght' 700;
  /* held back from the full width: this is a portfolio, so the name introduces
     the work rather than standing in for it */
  font-size: 12vw;
  line-height: 0.8;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
}

/* the Formula Electric hero is the work itself: a wall of the runs, the fits
   and the block diagrams, darkened back until it reads as one surface */
.hero__media--collage { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 1fr); }
.hero__media--collage img { width: 100%; height: 100%; object-fit: cover; }
.hero__media--collage::after {
  background:
    linear-gradient(to top, rgba(27, 27, 30, 0.88) 0%, rgba(27, 27, 30, 0.6) 46%, rgba(27, 27, 30, 0.74) 100%),
    linear-gradient(200deg, rgba(95, 101, 160, 0.6), rgba(27, 27, 30, 0.45));
}

/* ---------- program codes ---------- */

.codes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(11rem, 100%), 1fr));
  margin-top: clamp(1.8rem, 3.5vw, 2.8rem);
}
/* borders on the cells, not a ruled backdrop, so a short last row leaves no
   half-finished boxes hanging off the end */
.codes span {
  border: 1px solid var(--rule);
  margin: -1px 0 0 -1px;
  padding: 1.15rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

/* ---------- statement ---------- */

.statement { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; }
.statement__body { max-width: 49vw; }
.statement__text {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.1vw, 2.9rem);
  line-height: 0.94;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  margin-top: 1.6rem;
  text-indent: 5.4em;
}
/* the reference's pale-to-dark fill, driven by scroll position */
.statement__text .w {
  color: var(--faint);
  transition: color 500ms var(--ease);
}
.statement__text .w.on { color: var(--text); }

/* ---------- text over a full-bleed image ---------- */

.overlay { position: relative; color: var(--text); }
.overlay__media { position: relative; height: clamp(26rem, 54vw, 46rem); }
.overlay__media img { width: 100%; height: 100%; object-fit: cover; }
.overlay__media::after {
  content: "";
  position: absolute; inset: 0;
  /* the scrim has to hold under the whole text column, then let the foreground
     through: the pallets in the lower third are the part worth seeing */
  background: linear-gradient(
    to bottom,
    #fff 0%,
    rgba(255, 255, 255, 0.94) 34%,
    rgba(255, 255, 255, 0.82) 52%,
    rgba(255, 255, 255, 0.4) 70%,
    rgba(255, 255, 255, 0) 88%
  );
}
.overlay__text {
  position: absolute;
  top: clamp(2rem, 6vw, 4.5rem);
  left: 16vw;
  /* wide enough for a real measure now that the column carries paragraphs
     rather than a single caption line */
  width: clamp(13rem, 24vw, 21rem);
}
.overlay__text p { margin-top: 1.1rem; }

/* ---------- employer rows ---------- */

/* the rows sit under the heading now, where a photograph used to stand between */
.roles { border-top: 1px solid var(--rule); margin-top: clamp(1.6rem, 3vw, 2.6rem); }
.role {
  display: grid;
  grid-template-columns: 11rem 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(1.4rem, 2.6vw, 2.2rem);
  border-bottom: 1px solid var(--rule);
  transition: background-color 380ms var(--ease), padding-inline 380ms var(--ease);
}
.role:hover, .role:focus-visible { background: var(--surface); padding-inline: 1.2rem; }
.role__mark { height: 2.6rem; display: flex; align-items: center; }
.role__mark img { max-height: 2.6rem; width: auto; object-fit: contain; mix-blend-mode: multiply; }
.role__name { font-family: var(--font-serif); font-size: clamp(1.15rem, 1.7vw, 1.55rem); line-height: 1.2; }
.role__meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.role__go { display: flex; align-items: center; gap: 0.8em; font-size: 0.9rem; white-space: nowrap; }
.role__go svg { width: 0.8em; height: 0.8em; transition: transform 380ms var(--ease); }
.role:hover .role__go svg { transform: translateX(0.35em); }

/* ---------- résumé ---------- */

.resume { background: var(--surface); }
.resume__doc {
  width: min(44rem, 100%);
  margin: clamp(2rem, 4vw, 3.5rem) auto 0;
  aspect-ratio: 1 / 1.414;
  border: 1px solid var(--rule);
  background: #fff;
}
.resume__doc iframe { width: 100%; height: 100%; border: 0; display: block; background: var(--mist); }

/* stands in until a resume.pdf is actually sitting in the project root */
.resume__missing {
  width: 100%; height: 100%;
  display: grid; place-content: center; justify-items: center;
  gap: 0.9rem;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}
.resume__missing p { max-width: 34ch; font-size: 0.9rem; line-height: 1.6; }
.resume__missing code {
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text); background: var(--mist); padding: 0.25em 0.6em;
}

.doc-link {
  display: inline-flex; align-items: center; justify-content: space-between;
  gap: 2.5em;
  min-width: 15rem;
  margin: clamp(1.6rem, 3vw, 2.4rem) auto 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.85em 0.2em 0.85em 1.4em;
  font-size: 0.95rem;
  transition: background-color 320ms var(--ease), border-color 320ms var(--ease);
}
.doc-link svg { width: 0.85em; height: 0.85em; margin-right: 1.2em; }
.doc-link:hover, .doc-link:focus-visible { background-color: var(--accent-soft); border-color: var(--accent-soft); }
.resume__actions { display: grid; justify-items: center; }

/* ---------- featured work grid ---------- */

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.4rem, 3vw, 2.6rem);
  margin-top: clamp(2rem, 4vw, 3.5rem);
}
.work-item { display: block; color: inherit; }
/* an odd last item takes the full width rather than leaving a hole */
.work-item:last-child:nth-child(odd) { grid-column: 1 / -1; }

.work-item__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--mist); }
/* the full-width plate is squatter than a card, but tall enough that a contained
   plot leaves a clear margin for the schematic beside it */
.work-item:last-child:nth-child(odd) .work-item__media { aspect-ratio: 16 / 7.4; }
.work-item__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 760ms var(--ease);
}
.work-item:hover .work-item__media img { transform: scale(1.025); }
.work-item__media::after {
  content: ""; position: absolute; inset: 0;
  background: var(--periwinkle); mix-blend-mode: multiply; opacity: 0.2;
}
.work-item__title {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  line-height: 1.18;
  margin-top: 1rem;
}
.work-item__meta {
  display: flex; flex-wrap: wrap; gap: 0.5em 1.1em; align-items: center;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted);
  margin-top: 0.45rem;
}
.work-item__meta i { width: 1px; height: 0.9em; background: var(--rule); }
.work-item p.prose { margin-top: 0.8rem; max-width: 52ch; }

/* a plot or block diagram used as a card thumbnail: shown whole, untinted */
.work-item__media--plate { background: #fff; border: 1px solid var(--rule); }
.work-item__media--plate img { object-fit: contain; padding: 0.9rem; }
.work-item__media--plate::after { display: none; }

/* two plots reading as one frame: each panel holds its figure and names it, and
   a single hairline divides them. The panels own the padding so the same rule
   serves the one-panel case. */
.plate-set { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); aspect-ratio: 16 / 9; }
.plate-set--single { grid-template-columns: minmax(0, 1fr); padding: 0.9rem 0.9rem 0; }
.plate-set__panel {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  padding: 0.9rem 0.9rem 0;
}
.plate-set__panel + .plate-set__panel { border-left: 1px solid var(--rule); }
.plate-set__panel--dark { background: var(--obsidian); }
.plate-set__panel--dark .plate-label { color: rgba(244, 245, 248, 0.68); }
.plate-set > img { min-height: 0; }
.plate-set img, .plate-set svg { width: 100%; height: 100%; min-height: 0; padding: 0; object-fit: contain; }
/* a plate is read, not browsed: the card's hover zoom would only soften it */
.work-item:hover .plate-set img { transform: none; }

.plate-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.45;
  color: var(--muted);
  padding: 0.6rem 0 0.65rem;
}

/* the quarter car schematic sits in the empty lower left of the damping plot,
   lifted off it rather than drawn on it */
.ride-frame { position: relative; }
.ride-frame__inset {
  position: absolute;
  left: clamp(1rem, 3%, 2.4rem);
  bottom: clamp(1rem, 4%, 2.4rem);
  width: clamp(9.5rem, 15.5%, 12.5rem);
  background: #fff;
  border: 1px solid var(--rule);
  padding: 0.7rem 0.8rem 0.1rem;
  box-shadow:
    0 1px 2px rgba(27, 27, 30, 0.05),
    0 12px 26px -16px rgba(95, 101, 160, 0.4);
}
.ride-frame__inset svg { display: block; width: 100%; height: auto; }
.ride-frame__inset .plate-label { padding-bottom: 0.5rem; }

/* ---------- contact ---------- */

.contact { background: var(--bg); border-top: 1px solid var(--rule); }
.contact__line {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.1vw, 2.9rem);
  line-height: 0.98;
  text-transform: uppercase;
  max-width: 20ch;
}
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.contact__links { display: grid; gap: 0.85rem; justify-items: start; font-size: 0.95rem; }
.u {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 420ms var(--ease), color 300ms var(--ease);
}
.u:hover, .u:focus-visible { background-size: 100% 1px; color: var(--accent); }

/* ---------- footer ---------- */

.foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.6rem var(--gutter);
  border-top: 1px solid var(--rule);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- entrance: one orchestrated moment on the hero ---------- */

.rise { opacity: 0; transform: translateY(1.1em); }
body.ready .rise {
  animation: rise 1100ms var(--ease) forwards;
  animation-delay: calc(var(--d, 0) * 1ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }

.hero__word { clip-path: inset(0 0 100% 0); }
body.ready .hero__word {
  animation: word-in 1400ms var(--ease) 120ms forwards;
}
@keyframes word-in { to { clip-path: inset(0 0 -12% 0); } }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  :root { --gutter: 6vw; }

  .nav { grid-template-columns: 1fr auto; padding-top: 1rem; }
  .nav__set { display: none; }
  .nav__toggle {
    display: grid; place-items: center;
    justify-self: end; width: 2.6rem; height: 2.6rem;
    border: 1px solid var(--rule-light);
  }
  .nav.is-solid .nav__toggle { border-color: var(--rule); }
  .nav__toggle span { display: block; width: 1.05rem; height: 1px; background: currentColor; position: relative; }
  .nav__toggle span::before, .nav__toggle span::after {
    content: ""; position: absolute; left: 0; width: 1.05rem; height: 1px; background: currentColor;
    transition: transform 320ms var(--ease), opacity 200ms linear;
  }
  .nav__toggle span::before { top: -0.34rem; }
  .nav__toggle span::after { top: 0.34rem; }
  body.menu-open .nav__toggle span { background: transparent; }
  body.menu-open .nav__toggle span::before { transform: translateY(0.34rem) rotate(45deg); }
  body.menu-open .nav__toggle span::after { transform: translateY(-0.34rem) rotate(-45deg); }

  .menu {
    position: fixed; inset: 0; z-index: 70;
    background: var(--obsidian); color: #fff;
    display: grid; align-content: center; gap: 0.4rem;
    padding: 0 var(--gutter);
    opacity: 0; visibility: hidden;
    transition: opacity 340ms var(--ease), visibility 340ms;
  }
  body.menu-open .menu { opacity: 1; visibility: visible; }
  .menu a { font-family: var(--font-serif); font-size: 2.2rem; line-height: 1.5; }

  .hero__row { flex-direction: column; align-items: flex-start; gap: 1.6rem; }
  .hero__cta { width: 100%; }
  .hero__word {
    font-size: 24vw;
    line-height: 0.86;
    white-space: normal;
    text-wrap: balance;
  }
  .hero__rules { grid-template-columns: repeat(3, 1fr); }

  .statement { grid-template-columns: 1fr; gap: 0; }
  .statement__text { text-indent: 3em; }
  .statement__body { max-width: none; }

  /* at this width the column would cover the photograph to stay readable, so it
     steps out from under it and sits below instead */
  .overlay__media::after { display: none; }
  .overlay__text {
    position: static;
    width: auto;
    padding: clamp(1.8rem, 6vw, 2.6rem) var(--gutter) 0;
  }

  .work-grid { grid-template-columns: minmax(0, 1fr); }
  .work-item:last-child:nth-child(odd) .work-item__media { aspect-ratio: 16 / 10; }

  /* an overlaid inset is unreadable at this width, so it takes its own line */
  .ride-frame__inset {
    position: static;
    width: auto;
    margin-top: 0.9rem;
    padding: 0.9rem 1rem 0.2rem;
    box-shadow: none;
  }
  .ride-frame__inset svg { max-width: 15rem; margin-inline: auto; }
  .resume__doc { aspect-ratio: 1 / 1.3; }

  .role { grid-template-columns: 1fr auto; gap: 1rem 1.5rem; }
  .role__mark { grid-column: 1 / -1; }

  .contact__grid { grid-template-columns: 1fr; }
}

@media (min-width: 901px) { .menu { display: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important; animation-delay: 0ms !important;
    transition-duration: 1ms !important; scroll-behavior: auto !important;
  }
  .rise { opacity: 1; transform: none; }
  .hero__word { clip-path: none; }
  .statement__text .w { color: var(--text); }
}

/* ---------- project pages ---------- */

.subhero {
  position: relative;
  min-height: clamp(30rem, 74svh, 46rem);
  display: grid;
  align-content: end;
  overflow: hidden;
  background: var(--obsidian);
  color: #fff;
  isolation: isolate;
}
.subhero .hero__media { position: absolute; inset: 0; z-index: -2; }
.subhero .hero__media img { width: 100%; height: 100%; object-fit: cover; }
.subhero .hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(27, 27, 30, 0.82) 0%, rgba(27, 27, 30, 0.3) 48%, rgba(27, 27, 30, 0.7) 100%),
    linear-gradient(200deg, rgba(95, 101, 160, 0.5), rgba(27, 27, 30, 0.2));
}
/* the project pages carry their title inside the row, so they need less
   clearance beneath it than the home hero, which bleeds a word off the edge */
.subhero .hero__row { padding-bottom: clamp(2rem, 4vw, 3.5rem); }

.subhero__plate {
  display: inline-flex; align-items: center;
  background: #fff;
  height: 4.4rem;
  padding-inline: 1.5rem;
  margin-bottom: 1.4rem;
}
/* the company marks are small files with fine line work in the emblem: at 2rem
   the gear teeth alias away and the mark reads as if it were cut off */
.subhero__plate img { max-height: 2.7rem; width: auto; object-fit: contain; }
.subhero__word {
  font-family: var(--font-sans);
  font-variation-settings: 'wdth' 62, 'wght' 700;
  font-size: clamp(2.6rem, 8.6vw, 8rem);
  line-height: 0.86;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin-bottom: -0.06em;
}
.subhero__meta {
  display: flex; flex-wrap: wrap; gap: 0.9em 2.4em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 1.6rem;
}
.subhero__meta b { font-weight: 400; color: #fff; }

.back-link { display: inline-flex; align-items: center; gap: 0.7em; font-size: 0.9rem; }
.back-link svg { width: 0.8em; height: 0.8em; transition: transform 380ms var(--ease); }
.back-link:hover svg { transform: translateX(-0.3em); }

/* editorial list of what a role involved */
.entries { border-top: 1px solid var(--rule); }
.entry {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(1rem, 4vw, 4rem);
  padding-block: clamp(1.8rem, 3.4vw, 3rem);
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.entry__title { font-family: var(--font-serif); font-size: clamp(1.2rem, 1.9vw, 1.7rem); line-height: 1.16; }
/* the entries carry real paragraphs now, so they get a measure */
.entry p.prose { max-width: 64ch; }
.entry__facts {
  margin-top: 1.1rem;
  display: grid; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted);
}
.entry__facts b { font-weight: 400; color: var(--text); }

/* ---------- programs, grouped by the customer they ship to ---------- */

.brands { border-top: 1px solid var(--rule); margin-top: clamp(1.8rem, 3.5vw, 2.8rem); }
.brand {
  display: grid;
  grid-template-columns: minmax(8rem, 13rem) 1fr;
  gap: clamp(1.2rem, 4vw, 3.5rem);
  padding-block: clamp(2rem, 3.6vw, 3.2rem);
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
/* the marks arrive at wildly different aspect ratios, so each one is given the
   same box and left to sit inside it rather than being scaled to a shared width */
.brand__mark {
  display: grid;
  align-items: center;
  justify-items: start;
  position: sticky;
  top: 7rem;
}
/* the cap has to be an absolute length: a percentage would resolve against a
   grid row that has already grown to the tallest mark */
.brand__mark img { max-width: 100%; max-height: 6rem; width: auto; object-fit: contain; }
.brand__name {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1.9vw, 1.7rem);
  line-height: 1.16;
  margin-bottom: 0.7rem;
}
.brand__body p.prose { max-width: 52ch; }

/* program codes inside a brand block: the same collapsed-border chips as the
   full width set, sized to sit under a paragraph */
.codes--tight { display: flex; flex-wrap: wrap; margin-top: 1.2rem; }
.codes--tight span { padding: 0.55rem 0.95rem; font-size: 0.78rem; }

.brand__shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr));
  gap: clamp(1rem, 1.8vw, 1.6rem);
  margin-top: clamp(1.6rem, 2.6vw, 2.2rem);
}
.brand__shots .shot figcaption { font-size: 0.8rem; max-width: 34ch; }
.brand__shots .shot figcaption b { font-size: 0.95rem; }

.figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2.4vw, 2rem); }
.figure { margin: 0; }
.figure__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.figure__media img { width: 100%; height: 100%; object-fit: cover; }
.figure__media::after {
  content: ""; position: absolute; inset: 0;
  background: var(--periwinkle); mix-blend-mode: multiply; opacity: 0.22;
}
.figure figcaption { margin-top: 0.9rem; }
.figure figcaption p:first-child { font-family: var(--font-serif); font-size: 1.05rem; }

.specs { font-family: var(--font-mono); font-size: 0.82rem; }
.specs div {
  display: flex; justify-content: space-between; gap: 1.5rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--rule);
}
.specs div:first-child { border-top: 1px solid var(--rule); }
.specs span:first-child { color: var(--muted); }

@media (max-width: 900px) {
  .entry { grid-template-columns: 1fr; gap: 0.8rem; }
  .brand { grid-template-columns: 1fr; gap: 1.2rem; }
  .brand__mark { position: static; }
  .brand__mark img { max-height: 4.4rem; }
  .figures { grid-template-columns: minmax(0, 1fr); }
  .subhero__meta { font-size: 0.75rem; gap: 0.6em 1.4em; }
}

/* ---------- company emblem watermark (project pages) ---------- */

/* Each mark ships as a lockup, so the emblem is cropped out of it rather than
   redrawn. The crop rectangle (--cx/--cy/--cw/--ch) is measured off the source
   file and passed in per page; everything scales by one factor, --w / --cw.
   The artwork keeps its own colours , the brand sheet forbids recolouring the
   company marks, so this fades rather than tints. */
.watermark {
  --k: 1;
  --box: calc(var(--w) * var(--k));
  --scale: calc(var(--box) / var(--cw));

  position: fixed;
  z-index: -1;
  top: 50%;
  /* the mark sits whole: only a sliver runs past the right edge, so it never
     reads as a cut-off logo */
  right: -5vw;
  width: var(--box);
  height: calc(var(--scale) * var(--ch));
  transform: translateY(-50%);
  opacity: var(--wm-opacity, 0.06);
  pointer-events: none;

  background-image: var(--src);
  background-repeat: no-repeat;
  background-size: calc(var(--scale) * var(--iw)) calc(var(--scale) * var(--ih));
  background-position: calc(-1 * var(--scale) * var(--cx)) calc(-1 * var(--scale) * var(--cy));
}

/* --w arrives as an inline style, so the phone size has to come from the
   multiplier rather than from redeclaring --w here */
@media (max-width: 900px) {
  .watermark { --k: 1.3; right: -14vw; opacity: calc(var(--wm-opacity, 0.06) * 0.8); }
}

@media print {
  .watermark { display: none; }
}


/* ---------- pointer spotlight on the controls ---------- */

/* Ported from a React glow-card component, with one change to how it is aimed.
   The original positions every gradient in viewport space via
   background-attachment: fixed, so one light source covers a whole row. That
   breaks the moment an ancestor has backdrop-filter (our scrolled nav does),
   because a filtered ancestor becomes the containing block for fixed backgrounds.
   Instead the script hands each control the pointer in its own coordinate space
   as --gx/--gy, which paints identically and survives any ancestor.
   Hue still comes from --xp, the pointer across the viewport, clamped to the
   brand violets (Simulink Violet 234°, Periwinkle 231°, Violet Deep 234°). */

.glow {
  --g-base: 228;
  --g-spread: 12;
  --g-size: 260;
  --g-sat: 64;
  --g-light: 70;
  --g-fill: 0.3;
  --g-ring: 1;
  --g-spec: 0.9;
  --g-border-size: 1px;

  --g-hue: calc(var(--g-base) + (var(--xp, 0.5) * var(--g-spread)));
  --g-spot: calc(var(--g-size) * 1px);

  /* parked off-element until the pointer script reports a position */
  --gx: -999px;
  --gy: -999px;

  position: relative;
  background-image: radial-gradient(
    var(--g-spot) var(--g-spot) at var(--gx) var(--gy),
    hsl(var(--g-hue) calc(var(--g-sat) * 1%) calc(var(--g-light) * 1%) / var(--g-fill)),
    transparent
  );
  background-repeat: no-repeat;
}

/* the ring: a gradient masked so it paints into the border box only */
.glow--ring::before,
.glow--ring::after {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: calc(var(--g-border-size) * -1);
  border: var(--g-border-size) solid transparent;
  border-radius: inherit;
  background-repeat: no-repeat;
  -webkit-mask: linear-gradient(transparent, transparent), linear-gradient(#fff, #fff);
  mask: linear-gradient(transparent, transparent), linear-gradient(#fff, #fff);
  -webkit-mask-clip: padding-box, border-box;
  mask-clip: padding-box, border-box;
  -webkit-mask-composite: xor;
  mask-composite: intersect;
}

.glow--ring::before {
  background-image: radial-gradient(
    calc(var(--g-spot) * 0.8) calc(var(--g-spot) * 0.8) at var(--gx) var(--gy),
    hsl(var(--g-hue) calc(var(--g-sat) * 1%) calc(var(--g-light) * 1%) / var(--g-ring)),
    transparent 100%
  );
  filter: brightness(1.45);
}

/* the small white hot spot riding just ahead of the colour */
.glow--ring::after {
  background-image: radial-gradient(
    calc(var(--g-spot) * 0.34) calc(var(--g-spot) * 0.34) at var(--gx) var(--gy),
    hsl(0 0% 100% / var(--g-spec)), transparent 100%
  );
}

/* on the scrolled white bar the glow goes darker and cleaner to register */
.nav.is-solid .glow {
  --g-sat: 52;
  --g-light: 56;
  --g-fill: 0.34;
  --g-spec: 0;
}

/* the hero and résumé controls are ruled top and bottom only, by design , they
   take the spotlight fill but not a ring, which would box them in */
.hero__cta, .doc-link { --g-size: 320; --g-fill: 0.3; }
.doc-link { --g-sat: 52; --g-light: 56; --g-fill: 0.34; }

/* Only stand down where nothing can hover at all. (hover: none) was too strict ,
   a Windows laptop with a touchscreen reports it even with a mouse attached. */
@media (any-hover: none) {
  .glow { background-image: none; }
  .glow--ring::before, .glow--ring::after { display: none; }
}

/* ================================================================
   MODEL LIBRARY
   Plots and block diagrams are data, not photography: they are never
   cropped and never colour-treated. Each sits on a plate whose ground
   matches the export it holds , white for MATLAB figures, obsidian for
   the dark tool screenshots , so nothing is fighting its own surround.
   ================================================================ */

.models-intro {
  max-width: 62ch;
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.7;
  color: var(--muted);
}
.models-intro b { font-weight: 400; color: var(--text); }

/* ---------- one model record ---------- */

/* the bar is fixed, so an anchor has to stop clear of it. --nav-h is measured
   and published by brand.js; the rem value is the pre-script fallback. */
.model, main section[id] { scroll-margin-top: var(--nav-h, 6.5rem); }

/* Each model is a disclosure panel: nineteen of them open at once is a page you
   scroll past rather than read, so the library lists them and opens one at a
   time. */
.model {
  display: block;
  padding-block: clamp(0.4rem, 1vw, 0.8rem);
  border-top: 1px solid var(--rule);
}

.model__head {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr) auto;
  gap: 0.6rem clamp(1.5rem, 4vw, 4rem);
  align-items: baseline;
  padding-block: clamp(1.4rem, 2.6vw, 2.4rem);
  cursor: pointer;
  list-style: none;
}
.model__head::-webkit-details-marker { display: none; }
.model__head:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.model__head .model__dof { grid-column: 1; grid-row: 1; padding-top: 0; }
.model__head .model__title { grid-column: 2; grid-row: 1; transition: color 240ms var(--ease); }
/* the tag rides at the end of the title row, so a tagged row is no taller than
   an untagged one */
.model__head .badge { grid-column: 2; grid-row: 1; justify-self: end; margin-bottom: 0; }
.model__head:hover .model__title { color: var(--accent); }
.model__head:active .model__title { opacity: 0.75; }

.model__chev {
  grid-column: 3; grid-row: 1;
  width: 1rem; height: 1rem;
  align-self: center;
  color: var(--muted);
  transition: transform 320ms var(--ease);
}
.model[open] .model__chev { transform: rotate(180deg); }

.model__body {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

/* the left rail carries the designation from Quin's own model map */
.model:first-of-type { border-top: 0; }
/* the rail carries the rule the model code used to sit on: the models go by
   their names now, so the rule opens the column on its own */
.model__id { position: sticky; top: 7rem; border-top: 1px solid var(--accent); padding-top: 0.9rem; }
.model__dof {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
  padding-top: 0.9rem;
}
.model__dof i { font-style: normal; font-size: 0.42em; letter-spacing: 0.06em; color: var(--muted); }
.model__tools {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--muted);
  display: block;
  margin-top: 0.9rem;
}

.model__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
}
.model__blurb {
  max-width: 64ch;
  margin-top: 1rem;
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--muted);
}
.model__blurb + .specs { margin-top: clamp(1.6rem, 3vw, 2.4rem); max-width: 34rem; }

/* ---------- plate grid ---------- */

.plates {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(28rem, 100%), 1fr));
  gap: clamp(1.4rem, 2.4vw, 2.25rem);
  margin-top: clamp(1.8rem, 3.5vw, 2.8rem);
}

.plate { margin: 0; }
/* a diagram too wide or too dense to read at half width takes the whole row */
.plate--full { grid-column: 1 / -1; }
/* held in from the page edges: a wide figure spanning the full row still runs
   most of a screen tall, and the section turns into a scroll */
.plate--full.plate--held { max-width: 62rem; justify-self: center; }

.plate__frame {
  --plate: #fff;
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  padding: 0;
  background: var(--plate);
  border: 1px solid var(--rule);
  overflow: hidden;
  cursor: zoom-in;
  box-shadow:
    0 1px 1px rgba(27, 27, 30, 0.04),
    0 6px 14px -6px rgba(95, 101, 160, 0.18),
    0 18px 40px -24px rgba(95, 101, 160, 0.22);
}
.plate__frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.7rem;
  transition: transform 420ms var(--ease);
}
.plate__frame::after {
  content: "";
  position: absolute;
  inset: 0.45rem;
  border: 1px solid var(--accent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms var(--ease);
}
.plate__frame:hover::after, .plate__frame:focus-visible::after { opacity: 0.55; }
.plate__frame:hover img { transform: scale(1.018); }
.plate__frame:active img { transform: scale(0.995); }
.plate__frame:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* dark tool screenshots keep their own ground */
.plate__frame--dark { --plate: var(--obsidian); border-color: rgba(27, 27, 30, 0.5); }
.plate__frame--dark img { padding: 0; }

/* a diagram that is mostly white space reads better given room */
.plate__frame--tall { aspect-ratio: 4 / 3; }
.plate__frame--lead { aspect-ratio: 16 / 8.2; }

/* the widest block diagrams and the densest tables keep their own proportions,
   so nothing is letterboxed down to an unreadable strip */
.plate__frame--natural { aspect-ratio: auto; }
.plate__frame--natural img { height: auto; }

.plate figcaption {
  margin-top: 0.85rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 46ch;
}
.plate--full figcaption { max-width: 68ch; }
.plate figcaption b {
  display: block;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.02rem;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.badge { border-color: rgba(244, 245, 248, 0.3); color: var(--canvas); }

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 0.35em 0.8em;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  margin-bottom: 0.9rem;
}

/* ---------- lightbox: plot axes are small, so let people read them ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 2.5rem);
  padding-top: max(clamp(1rem, 3vw, 2.5rem), env(safe-area-inset-top, 0px));
  background: rgba(27, 27, 30, 0.975);
  opacity: 0;
  transition: opacity 260ms var(--ease);
}
.lightbox.is-open { opacity: 1; }
/* closed, or mid fade-out: the overlay must not sit between the visitor and the
   page underneath it */
.lightbox:not(.is-open) { pointer-events: none; }
.lightbox.is-open { pointer-events: auto; }
.lightbox img {
  grid-area: 1 / 1;
  place-self: center;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
}
.lightbox img.on-dark-plate { background: var(--obsidian); }
.lightbox figcaption {
  color: rgba(244, 245, 248, 0.72);
  font-size: 0.88rem;
  line-height: 1.6;
  text-align: center;
  max-width: 62ch;
  margin-inline: auto;
}
.lightbox figcaption b { display: block; font-family: var(--font-serif); font-weight: 400; font-size: 1.05rem; color: #fff; }
.lightbox__close {
  position: absolute;
  top: max(0.8rem, env(safe-area-inset-top, 0px));
  right: 0.8rem;
  z-index: 1;
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  transition: transform 260ms var(--ease);
}
.lightbox__close:hover { transform: scale(1.08); }
.lightbox__close:active { transform: scale(0.96); }
.lightbox__close svg { width: 0.9rem; height: 0.9rem; }
body.lightbox-open { overflow: hidden; }

/* ---------- photo gallery (real photography, unlike the plates) ---------- */

.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(30rem, 100%), 1fr)); gap: clamp(1.4rem, 2.4vw, 2.25rem); }
.shot { margin: 0; }
.shot__frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--mist);
  cursor: zoom-in;
}
.shot--span { grid-column: 1 / -1; }
.shot--span .shot__frame { aspect-ratio: 21 / 9; }
.shot--span figcaption { max-width: 68ch; }
.shot__frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 520ms var(--ease); }
.shot__frame:hover img { transform: scale(1.03); }
.shot__frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(27, 27, 30, 0.45), rgba(27, 27, 30, 0) 55%);
}
.shot__frame:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.shot figcaption { margin-top: 0.85rem; font-size: 0.86rem; line-height: 1.6; color: var(--muted); max-width: 46ch; }
.shot figcaption b {
  display: block; font-family: var(--font-serif); font-weight: 400;
  font-size: 1.02rem; line-height: 1.3; color: var(--text); margin-bottom: 0.25rem;
}
/* a product shot on white should not be cropped or darkened. It does need an
   edge: without one it reads as a hole punched in the page rather than a plate
   sat on it, which shows most where the watermark passes behind. */
.shot__frame--product {
  background: #fff;
  border: 1px solid var(--rule);
  box-shadow:
    0 1px 1px rgba(27, 27, 30, 0.04),
    0 10px 24px -18px rgba(95, 101, 160, 0.35);
}
.shot__frame--product img { object-fit: contain; padding: 1.2rem; }
.shot__frame--product::after { display: none; }

@media (max-width: 560px) {
  /* stacked, the two panels share the frame's height rather than each sizing to
     its own content and spilling out of it */
  .plate-set:not(.plate-set--single) {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
    aspect-ratio: 4 / 5;
  }
  .plate-set__panel + .plate-set__panel {
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}

@media (max-width: 640px) {
  /* four columns of plot at phone width is mush; two still reads as the work */
  .hero__media--collage { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .model__head, .model__body { grid-template-columns: 1fr; gap: 0.6rem; }
  .model__head { grid-template-columns: 1fr auto; }
  .model__head .model__dof { grid-column: 1; }
  .model__head .model__title { grid-column: 1; grid-row: 2; }
  .model__head .badge { grid-column: 1; grid-row: 3; }
  .model__chev { grid-column: 2; grid-row: 1; align-self: start; }
  .model__body { gap: 1.2rem; }
  .model__id {
    position: static; display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
    padding-top: 0.9rem;
  }
  .model__dof { padding-top: 0; font-size: 1.4rem; }
  .model__tools { margin-top: 0; width: 100%; }
  .shot--span { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .plate__frame img, .shot__frame img, .lightbox, .lightbox__close { transition: none; }
  .plate__frame:hover img, .shot__frame:hover img { transform: none; }
}