/* Hallmark · genre: editorial · macrostructure: Photographic + Fixed-rail · theme: Vitrin (brand blue/orange)
 * nav: N3 side-rail · footer: minimal · enrichment: full-bleed real photography
 * tone: photographic editorial industrial · palette from Etalonplus logo
 * pre-emit critique: P5 H5 E5 S5 R4 V5
 */

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--font-body); font-size: var(--text-lg); line-height: 1.62;
  color: var(--color-ink); background: var(--color-paper); -webkit-font-smoothing: antialiased; }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.03; letter-spacing: -0.02em; margin: 0; overflow-wrap: anywhere; min-width: 0; }
p { margin: 0; } img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; } ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3rem); }
.section { padding-block: var(--space-3xl); }
.eyebrow { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--color-orange); display: inline-flex; align-items: center; gap: 0.7em; font-weight: 500; }
.eyebrow::before { content: ""; width: 1.8em; height: 3px; background: var(--color-orange); border-radius: 2px; }

.btn { display: inline-flex; align-items: center; gap: 0.55em; font-family: var(--font-mono); font-size: var(--text-sm);
  font-weight: 600; padding: 0.85rem 1.35rem; border-radius: var(--radius); border: 2px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.btn .arw { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .arw { transform: translateX(4px); }
.btn--primary { background: var(--color-orange); color: var(--color-orange-ink); }
.btn--primary:hover { background: var(--color-orange-2); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--color-blue); border-color: var(--color-line-2); }
.btn--ghost:hover { border-color: var(--color-blue); }
.btn--light { background: color-mix(in oklab, var(--color-blue-ink) 100%, transparent); color: var(--color-blue); }
.btn--light:hover { background: var(--color-orange); color: var(--color-orange-ink); transform: translateY(-2px); }

/* ============ Shell = rail + main ============ */
.shell { display: flex; align-items: flex-start; }

.rail { position: sticky; top: 0; height: 100vh; width: var(--rail); flex: none;
  background: var(--color-blue); color: var(--color-blue-ink);
  display: flex; flex-direction: column; gap: var(--space-lg);
  padding: var(--space-xl) var(--space-xl) var(--space-lg); overflow: hidden; }
.rail__logo { background: var(--color-paper); border-radius: var(--radius-lg); padding: var(--space-md) var(--space-lg); align-self: flex-start; }
.rail__logo img { height: 40px; width: auto; }
.rail__nav { margin-top: var(--space-md); display: flex; flex-direction: column; gap: var(--space-2xs); }
.rail__link { font-family: var(--font-mono); font-size: var(--text-sm); letter-spacing: 0.02em; color: color-mix(in oklab, var(--color-blue-ink) 82%, var(--color-blue));
  padding: 0.5rem 0; display: flex; align-items: baseline; gap: 0.8em; transition: color var(--dur-fast) var(--ease-out); }
.rail__link i { font-style: normal; font-size: var(--text-2xs); color: var(--color-orange); opacity: 0.85; }
.rail__link:hover, .rail__link.is-active { color: var(--color-blue-ink); }
.rail__link:hover i, .rail__link.is-active i { opacity: 1; }
.rail__spacer { flex: 1; }
.rail__contact { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-blue-ink) 78%, var(--color-blue)); }
.rail__contact a:hover { color: var(--color-orange); }
.rail__contact .k { color: var(--color-orange); letter-spacing: 0.14em; text-transform: uppercase; font-size: var(--text-2xs); }
.rail__cta { margin-top: var(--space-sm); }
.rail__nav-cta { display: none; }
.rail__burger { display: none; }

.main { flex: 1; min-width: 0; }

/* ============ Hero — full-bleed photographic ============ */
.hero { position: relative; height: min(82vh, 720px); min-height: 480px; isolation: isolate; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero__slider { position: absolute; inset: 0; z-index: -2; }
.hero__slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
.hero__slide.is-active { opacity: 1; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, oklch(20% 0.06 264 / 0.35) 0%, transparent 26%, oklch(18% 0.06 264 / 0.30) 55%, oklch(15% 0.06 264 / 0.82) 100%); }
.hero__meta { position: absolute; top: var(--space-xl); right: clamp(1.25rem, 4vw, 3rem); text-align: right;
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-blue-ink); }
.hero__meta b { color: var(--color-orange); font-weight: 500; }
.hero__content { position: absolute; left: 0; right: 0; bottom: 0; padding: clamp(1.5rem, 5vw, 4rem); padding-block-end: clamp(2rem, 6vw, 4.5rem); }
.hero__eyebrow { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.24em; text-transform: uppercase; color: var(--color-orange); font-weight: 500; }
.hero h1 { color: var(--color-blue-ink); font-size: var(--text-display); font-weight: 700; letter-spacing: -0.035em; margin-top: var(--space-md); max-width: 16ch; }
.hero h1 .accent { color: var(--color-orange); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-xl); }

/* ============ Fact strip ============ */
.facts { background: var(--color-blue); color: var(--color-blue-ink); display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); }
.fact { padding: var(--space-lg) clamp(1.25rem, 3vw, 2.5rem); border-left: var(--rule) solid color-mix(in oklab, var(--color-blue-ink) 16%, transparent); }
.fact:first-child { border-left: 0; }
.fact__k { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-orange); }
.fact__v { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); margin-top: 4px; font-variant-numeric: tabular-nums; }
.fact__v small { font-size: var(--text-sm); font-weight: 400; font-family: var(--font-body); color: color-mix(in oklab, var(--color-blue-ink) 78%, var(--color-blue)); }

/* ============ About — editorial statement ============ */
.about h2 { font-size: var(--text-4xl); color: var(--color-blue); max-width: 20ch; margin-top: var(--space-md); }
.about__cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); margin-top: var(--space-xl); }
.about__cols p { color: var(--color-ink); font-size: var(--text-lg); }
.about__cols p + p { margin-top: var(--space-md); }

/* ============ Departments — full-bleed photo bands ============ */
.bands { display: flex; flex-direction: column; }
.band { position: relative; min-height: 340px; display: flex; align-items: center; isolation: isolate; overflow: hidden; }
.band__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: saturate(0.9); transition: transform var(--dur-mid) var(--ease-out); }
.band:hover .band__img { transform: scale(1.04); }
.band::after { content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, oklch(20% 0.07 264 / 0.90) 0%, oklch(20% 0.07 264 / 0.55) 48%, oklch(20% 0.07 264 / 0.15) 100%); }
.band--right { justify-content: flex-end; }
.band--right::after { background: linear-gradient(270deg, oklch(20% 0.07 264 / 0.90) 0%, oklch(20% 0.07 264 / 0.55) 48%, oklch(20% 0.07 264 / 0.15) 100%); }
.band__inner { max-width: 46ch; padding: var(--space-2xl) clamp(1.5rem, 5vw, 4rem); color: var(--color-blue-ink); }
.band--right .band__inner { text-align: right; }
.band__code { font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.16em; color: var(--color-orange); }
.band h3 { font-size: var(--text-3xl); color: var(--color-blue-ink); margin-top: var(--space-xs); }
.band p { margin-top: var(--space-sm); color: color-mix(in oklab, var(--color-blue-ink) 88%, transparent); font-size: var(--text-base); }
.band__tags { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin-top: var(--space-md); }
.band--right .band__tags { justify-content: flex-end; }
.band .tag { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--color-blue-ink);
  border: var(--rule) solid color-mix(in oklab, var(--color-blue-ink) 40%, transparent); border-radius: 100px; padding: 0.25rem 0.65rem; white-space: nowrap; }

/* ============ Services ============ */
.services { background: var(--color-paper-2); }
.svc__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-2xl); margin-top: var(--space-2xl); }
.svc__mark { width: 32px; height: 4px; border-radius: 2px; background: var(--color-orange); }
.svc h3 { font-size: var(--text-xl); color: var(--color-blue); margin-top: var(--space-md); }
.svc p { color: var(--color-ink-2); font-size: var(--text-base); margin-top: var(--space-sm); }

/* ============ Gallery — full-bleed mosaic ============ */
.galhead { padding-block: var(--space-2xl) var(--space-lg); }
.gal { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 220px; gap: 4px; }
.gal__item { overflow: hidden; background: var(--color-paper-2); }
.gal__item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-mid) var(--ease-out); }
.gal__item:hover img { transform: scale(1.05); }
.gal__item--a { grid-column: span 3; grid-row: span 2; }
.gal__item--b { grid-column: span 3; }
.gal__item--c { grid-column: span 3; }

/* ============ News ============ */
.news__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-lg); margin-top: var(--space-2xl); }
.card { border-bottom: 2px solid var(--color-line); background: transparent; transition: border-color var(--dur-fast) var(--ease-out); }
.card:hover { border-color: var(--color-orange); }
.card__img { aspect-ratio: 16/10; overflow: hidden; border-radius: var(--radius); background: var(--color-paper-2); }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-mid) var(--ease-out); }
.card:hover .card__img img { transform: scale(1.04); }
.card__meta { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-orange); margin-top: var(--space-md); }
.card h3 { font-size: var(--text-xl); color: var(--color-blue); margin-top: var(--space-xs); padding-bottom: var(--space-md); }

/* ============ Contact closing band ============ */
.contact { background: var(--color-blue); color: var(--color-blue-ink); }
.contact__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-2xl); align-items: center; }
.contact__fields { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.page-split { display: grid; grid-template-columns: 1.25fr 1fr; gap: var(--space-2xl); align-items: start; }
.page-split--single { grid-template-columns: 1fr; }
.page-figure { border-radius: var(--radius-lg); overflow: hidden; border: var(--rule) solid var(--color-line); position: sticky; top: 24px; }
.contact h2 { font-size: var(--text-4xl); color: var(--color-blue-ink); margin-top: var(--space-md); max-width: 16ch; }
.contact__lede { margin-top: var(--space-md); color: color-mix(in oklab, var(--color-blue-ink) 84%, var(--color-blue)); font-size: var(--text-xl); max-width: 40ch; }
.contact__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-xl); }
.readout { border-top: var(--rule) solid color-mix(in oklab, var(--color-blue-ink) 24%, transparent); }
.readout__row { display: grid; grid-template-columns: 7rem 1fr; gap: var(--space-md); padding-block: var(--space-md);
  border-bottom: var(--rule) solid color-mix(in oklab, var(--color-blue-ink) 18%, transparent); }
.readout__k { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-orange); }
.readout__v { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-blue-ink); line-height: 1.5; }

/* ============ Footer ============ */
.foot { background: oklch(30% 0.09 266); color: color-mix(in oklab, var(--color-blue-ink) 74%, var(--color-blue));
  padding-block: var(--space-xl); display: flex; justify-content: space-between; gap: var(--space-md); flex-wrap: wrap;
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.04em; }

/* ============ Reveal ============ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .band__img, .gal__item img, .card__img img { transition: none; } }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .shell { flex-direction: column; }
  .rail { position: sticky; top: 0; z-index: 60; width: 100%; height: auto; flex-direction: row; align-items: center;
    justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) var(--space-lg); overflow: visible; }
  .rail__logo { padding: 6px 12px; } .rail__logo img { height: 32px; }
  .rail__nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-blue); flex-direction: column;
    padding: var(--space-md) var(--space-lg); gap: 2px; margin: 0; display: none; box-shadow: 0 20px 40px oklch(0% 0 0 / 0.3); }
  .rail.is-open .rail__nav { display: flex; }
  .rail__nav-cta { display: inline-flex; justify-content: center; margin-top: var(--space-sm); }
  .rail__spacer, .rail__contact, .rail__cta { display: none; }
  .rail__burger { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
    border: 2px solid color-mix(in oklab, var(--color-blue-ink) 40%, transparent); border-radius: var(--radius); background: transparent; cursor: pointer; }
  .rail__burger span, .rail__burger span::before, .rail__burger span::after { content: ""; display: block; width: 18px; height: 2px; background: var(--color-blue-ink); position: relative; }
  .rail__burger span::before { position: absolute; top: -6px; } .rail__burger span::after { position: absolute; top: 6px; }
  .hero { height: min(72vh, 560px); }
}
@media (max-width: 760px) {
  .facts { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .fact:nth-child(3) { border-left: 0; }
  .about__cols, .contact__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .contact__fields { grid-template-columns: 1fr; }
  .page-split { grid-template-columns: 1fr; }
  .page-figure { position: static; }
  .svc__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .news__grid { grid-template-columns: 1fr; }
  .gal { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .gal__item--a, .gal__item--b, .gal__item--c { grid-column: span 2; grid-row: auto; }
  .band__inner, .band--right .band__inner { text-align: left; max-width: none; }
  .band--right { justify-content: flex-start; }
  .band--right .band__tags { justify-content: flex-start; }
}