/* IMMA Studio — "Atelier" direction */
:root {
  --bg: #141414;
  --bg-2: #1c1b19;
  --ink: #f1efea;
  --muted: #a9a59c;
  --rule: #2e2d2b;
  --rule-strong: #4a4844;
  --accent: #c9a86a;
  --accent-ink: #141414;
  --ph: #2a2826;
  --sans: 'Bricolage Grotesque', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --pad: clamp(16px, 3vw, 40px);
  --maxw: 1360px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-weight: 600; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: 10px 16px; z-index: 100; }
.skip:focus { left: 16px; top: 16px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.mono { font-family: var(--mono); }
.small { font-size: 13px; letter-spacing: 0.04em; }
.muted { color: var(--muted); }
.accent { color: var(--accent); }
.label, .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow { color: var(--accent); font-size: 13px; margin-bottom: 28px; }
.label { margin-bottom: 8px; }

.display-xl { font-size: clamp(48px, 8vw, 128px); line-height: 0.95; letter-spacing: -0.04em; }
.display { font-size: clamp(40px, 6.4vw, 100px); line-height: 0.95; letter-spacing: -0.035em; margin-top: 8px; }
.narrow { max-width: 1050px; }
.lead { font-size: clamp(20px, 2.3vw, 32px); line-height: 1.3; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 15px 26px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid var(--accent);
  cursor: pointer;
  font-family: var(--sans);
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }

.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--accent);
  color: var(--accent);
  white-space: nowrap;
}
.tag-built { background: var(--accent); color: var(--accent-ink); }

.ph { background: var(--ph); width: 100%; height: 100%; min-height: 160px; }

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px var(--pad);
  border-bottom: 1px solid var(--rule);
  position: relative;
  z-index: 20;
}
.site-header.is-overlay { position: absolute; top: 0; left: 0; right: 0; border-bottom: none; }
.brand { font-weight: 700; font-size: 22px; letter-spacing: 0.01em; text-decoration: none; }
.dot { color: var(--accent); }
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-nav a { text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--accent); }
.lang-switch { color: var(--muted); }
.lang-switch a { color: var(--muted); }
.lang-switch [aria-current] { color: var(--ink); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 12px;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  min-height: 44px;
}
.nav-toggle-bars { display: inline-flex; flex-direction: column; gap: 5px; }
.nav-toggle-bars span { width: 18px; height: 1.5px; background: currentColor; display: block; }

/* ---------- Hero (home) ---------- */
.hero { position: relative; height: min(92vh, 900px); min-height: 560px; background: var(--ph); overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero .ph { position: absolute; inset: 0; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(10,10,10,.55) 0%, rgba(10,10,10,0) 28%, rgba(10,10,10,0) 45%, rgba(10,10,10,.78) 100%); }
.hero-text {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0 var(--pad) 48px;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 28px;
}
.hero h1 { font-size: clamp(48px, 8vw, 128px); line-height: 0.92; letter-spacing: -0.04em; max-width: 1000px; }
.hero-meta { font-size: 13px; line-height: 1.8; color: #ddd8ce; text-align: right; }
.hero-meta a { color: #ddd8ce; text-decoration: none; }
.hero-meta a:hover { color: var(--accent); }

/* ---------- Sections ---------- */
.section { padding: 110px 0; border-top: 1px solid var(--rule); }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 4px; }
.section-head .eyebrow { margin-bottom: 28px; }
.intro-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 40px;
  padding: 110px 0;
  border-bottom: 1px solid var(--rule);
}
.intro-row.flush { padding: 56px 0 0; border: none; }
.intro-row .span2 { grid-column: span 1; }
.intro-row .lead { max-width: 860px; }
.prose { display: flex; flex-direction: column; gap: 22px; max-width: 820px; }
.prose p:not(.lead) { color: var(--muted); font-size: 18px; line-height: 1.65; }
.page-head { padding: 72px 0 56px; }
.page-head .lead { margin-top: 40px; }
.page-head-split { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 32px; }
.page-head-split .eyebrow { margin-bottom: 18px; }
.crumbs a { color: var(--muted); }

/* ---------- Project index (home + projects) ---------- */
.index-layout { display: flex; flex-wrap: wrap; gap: 48px; }
.index-list, .ptable { list-style: none; margin: 0; padding: 0; flex: 999 1 560px; min-width: 0; border-top: 1px solid var(--ink); }
.table-wrap { flex: 999 1 560px; min-width: 0; }
.table-wrap .ptable { border-top: none; }
.index-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  transition: padding .2s ease;
}
.index-row .num { font-size: 13px; color: var(--muted); }
.index-row .name { font-size: clamp(20px, 2.1vw, 28px); font-weight: 600; letter-spacing: -0.01em; }
.index-row .name .muted { font-weight: 400; }
.index-row:hover, .index-row.is-active { padding-left: 10px; }
.index-row:hover .name, .index-row.is-active .name, .index-row:hover .num, .index-row.is-active .num { color: var(--accent); }
.index-preview { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.index-preview.sticky { position: sticky; top: 24px; align-self: flex-start; }
.preview-frame { aspect-ratio: 4 / 5; background: var(--ph); overflow: hidden; }
.preview-frame.tall { aspect-ratio: 4 / 5; }
.preview-frame img { width: 100%; height: 100%; object-fit: cover; transition: opacity .25s ease; }
.preview-frame img.is-fading { opacity: 0.15; }

.ptable-head, .prow { display: grid; grid-template-columns: 48px minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) 96px; gap: 16px; }
.ptable-head { padding: 0 0 12px; border-bottom: 1px solid var(--ink); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.prow .name { font-size: clamp(19px, 1.8vw, 24px); }
.prow .row-thumb { display: none; }
.ptable li[hidden] { display: none; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  padding: 11px 16px;
  cursor: pointer;
  min-height: 44px;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-on { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- Numbers & quotes ---------- */
.numbers { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 40px; padding: 90px 0; border-top: 1px solid var(--rule); }
.section .numbers { padding: 0 0 56px; border: none; }
.big-number { font-size: clamp(80px, 9vw, 140px); font-weight: 600; letter-spacing: -0.04em; line-height: 1; margin-bottom: 8px; }
.quotes { display: flex; flex-direction: column; gap: 36px; align-self: end; }
.quote { margin: 0; }
.quote blockquote { margin: 0; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.35; }
.quote blockquote::before { content: '“'; }
.quote blockquote::after { content: '”'; }
html[lang="fr"] .quote blockquote::before { content: '« '; }
html[lang="fr"] .quote blockquote::after { content: ' »'; }
.quote figcaption { margin-top: 14px; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- Services ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.svc-cell { background: var(--bg); padding: 32px; text-decoration: none; display: block; }
.svc-cell h3 { font-size: 22px; }
.svc-cell p { margin-top: 12px; }
.svc-cell:hover h3 { color: var(--accent); }
.clients { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 48px; margin-top: 64px; color: var(--muted); font-size: 18px; }
.clients .eyebrow { margin: 0; }
.svc-list { border-top: 1px solid var(--ink); }
.svc-row { display: flex; flex-wrap: wrap; gap: 24px 48px; padding: 40px 0; border-bottom: 1px solid var(--rule); align-items: flex-start; scroll-margin-top: 24px; }
.svc-row .num { flex: 0 0 56px; font-size: 13px; padding-top: 10px; }
.svc-text { flex: 1 1 420px; min-width: 0; }
.svc-text h2 { font-size: clamp(26px, 2.6vw, 36px); }
.svc-text p { margin-top: 14px; font-size: 18px; max-width: 560px; }
.svc-img { flex: 0 1 320px; min-width: 0; aspect-ratio: 16 / 10; background: var(--ph); overflow: hidden; }
.svc-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Contact ---------- */
.contact-block { padding: 100px 0 80px; border-top: 1px solid var(--ink); }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; margin: 56px 0; font-size: 17px; line-height: 1.7; }
.contact-page { display: flex; flex-wrap: wrap; gap: 64px; padding: 56px 0 120px; border-top: 1px solid var(--ink); }
.contact-info { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: 32px; }
.big-line { font-size: 22px; line-height: 1.5; }
.socials { display: flex; flex-wrap: wrap; gap: 24px; }
#form { flex: 1.4 1 480px; min-width: 0; scroll-margin-top: 24px; }
.cform { display: flex; flex-direction: column; gap: 30px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.field { display: flex; flex-direction: column; gap: 10px; border: none; margin: 0; padding: 0; min-width: 0; }
.field label, .field legend { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 0; }
.field legend { margin-bottom: 12px; }
.field input, .field textarea {
  font: inherit;
  font-size: 18px;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule-strong);
  padding: 10px 0;
  border-radius: 0;
}
.field textarea { border: 1px solid var(--rule-strong); padding: 14px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field.has-err input, .field.has-err textarea { border-color: #e07a5f; }
.err { color: #f0937a; font-size: 14px; }
.help { color: var(--muted); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-radio { position: relative; }
.chip-radio input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip-radio span { display: inline-flex; align-items: center; min-height: 44px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; border: 1px solid var(--rule-strong); padding: 10px 16px; }
.chip-radio input:checked + span { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip-radio input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.notice { border: 1px solid var(--accent); padding: 22px 24px; font-size: 19px; }
.notice-err { border-color: #e07a5f; margin-bottom: 24px; font-size: 16px; }

/* ---------- Project page ---------- */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 24px; margin: 56px 0 0; padding-top: 24px; border-top: 1px solid var(--ink); }
.facts div { margin: 0; }
.facts dd { margin: 0; font-size: 18px; line-height: 1.45; }
.cover { margin: 0; background: var(--ph); }
.cover img { width: 100%; max-height: 82vh; object-fit: cover; }
.two-lists { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 56px; padding: 100px 0; border-bottom: 1px solid var(--rule); }
.rule-list { list-style: none; margin: 0; padding: 0; }
.rule-list li { padding: 18px 0; border-top: 1px solid var(--rule); font-size: 19px; }
.rule-list li:last-child { border-bottom: 1px solid var(--rule); }
.rule-list.numbered li { display: grid; grid-template-columns: 48px minmax(0, 1fr); }
.rule-list .num { font-size: 13px; color: var(--muted); padding-top: 4px; }
.ba-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.ba-grid figure { margin: 0; position: relative; background: var(--ph); }
.ba-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.ba-grid figcaption { position: absolute; left: 10px; bottom: 10px; background: rgba(20,20,20,.8); padding: 3px 8px; }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.gallery figure { margin: 0; background: var(--ph); }
.gallery figure.wide { grid-column: 1 / -1; }
.gallery img { width: 100%; height: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.gallery figure.wide img { aspect-ratio: 21 / 9; }
.zoomable { cursor: zoom-in; }
.next-project { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px; padding: 56px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); text-decoration: none; }
.next-title { font-size: clamp(36px, 5vw, 72px); font-weight: 600; letter-spacing: -0.03em; line-height: 1; margin-top: 16px; }
.next-project:hover .next-title { color: var(--accent); }
.cta-band { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 32px; padding: 80px 0; }
.cta-band h2 { font-size: clamp(30px, 3.6vw, 52px); max-width: 760px; }

/* ---------- Studio ---------- */
.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.member { display: flex; flex-direction: column; gap: 20px; }
.portrait { aspect-ratio: 4 / 5; background: var(--ph); overflow: hidden; }
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.member-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; }
.member-name { font-size: 32px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.steps li { background: var(--bg); padding: 40px 32px; }
.steps h3 { font-size: 28px; margin-top: 20px; }
.steps p { margin-top: 14px; font-size: 17px; }
.facts-list { line-height: 1.9; }
.notfound { min-height: 50vh; }
.notfound .btn { margin: 32px 12px 0 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); padding: 64px 0 40px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; font-size: 15px; line-height: 1.7; }
.footer-grid p { margin-top: 8px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.footer-bottom a { color: var(--muted); }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; background: rgba(8,8,8,.96); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 56px 64px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lightbox button { position: absolute; background: none; border: none; color: var(--ink); font-size: 40px; line-height: 1; cursor: pointer; width: 56px; height: 56px; }
.lightbox button:hover { color: var(--accent); }
.lb-close { top: 8px; right: 8px; }
.lb-prev { left: 4px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 4px; top: 50%; transform: translateY(-50%); }

/* ---------- Small screens ---------- */
@media (max-width: 900px) {
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intro-row, .numbers { grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 72px 0; }
  .section { padding: 72px 0; }
  .index-preview { display: none; }
  .ptable-head { display: none; }
  .prow { grid-template-columns: 96px minmax(0, 1fr); grid-template-areas: "thumb name" "thumb meta"; gap: 4px 16px; align-items: start; }
  .prow .num, .prow .cell-type { display: none; }
  .prow .row-thumb { display: block; grid-area: thumb; grid-row: 1 / span 3; aspect-ratio: 1; background: var(--ph); overflow: hidden; }
  .prow .row-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .prow .name { grid-area: name; }
  .prow .cell-loc { grid-column: 2; font-size: 15px; }
  .prow .row-tag { grid-column: 2; }
  .index-row:hover, .index-row.is-active { padding-left: 0; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .svc-grid, .gallery { grid-template-columns: minmax(0, 1fr); }
  .gallery figure.wide img { aspect-ratio: 3 / 2; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    padding: 8px var(--pad) 24px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a, .site-nav .lang-switch { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--rule); }
  .site-nav .lang-switch { border-bottom: none; }
  .hero { min-height: 520px; height: 82vh; }
  .hero-text { padding-bottom: 28px; }
  .hero-meta { text-align: left; }
  .index-row { grid-template-columns: 36px minmax(0, 1fr); }
  .index-row .row-tag { grid-column: 2; }
  .lightbox { padding: 56px 8px; }
  .lb-prev, .lb-next { top: auto; bottom: 0; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}