/* ==========================================================================
   GEO-PLUS BTP — Design system
   Concept : « coupe technique » — sections empilées comme des strates,
   étiquettes techniques en mono, bandeaux bleu institutionnel, rouge du logo
   réservé aux repères (CTA, marqueurs, chiffres).
   ========================================================================== */
:root {
  /* Marque (issues du logo) */
  --brand-navy: #252A5C;
  --brand-red: #CB1517;
  /* Neutres teintés bleu */
  --bg: #FFFFFF;
  --bg-alt: #F3F4F8;
  --surface: #FFFFFF;
  --ink: #181B33;
  --ink-soft: #4A4F68;
  --muted: #6B7088;
  --line: #DDE0EA;
  --navy: #252A5C;
  --navy-deep: #151935;
  --on-navy: #FFFFFF;
  --on-navy-soft: #B9BDD6;
  --red: #CB1517;
  --red-ink: #B01214;
  --water: #2B7A70;               /* accent eau, très discret */
  --todo-bg: #FFF2B8; --todo-ink: #6B4E00;
  --logo-plate: transparent;
  --shadow: 0 1px 2px rgba(21,25,53,.06), 0 8px 24px rgba(21,25,53,.06);

  --f-display: 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --f-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --fs-xs: .75rem; --fs-sm: .875rem; --fs-md: 1rem; --fs-lg: 1.125rem;
  --fs-xl: 1.375rem; --fs-2xl: clamp(1.6rem, 1.2rem + 1.4vw, 2.25rem);
  --fs-3xl: clamp(2rem, 1.3rem + 2.6vw, 3.25rem);
  --wrap: 1200px; --gutter: clamp(16px, 4vw, 40px);
  --r: 4px; --r-lg: 10px;
  --header-h: 76px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1226; --bg-alt: #151934; --surface: #1A1F3D;
    --ink: #E9EBF4; --ink-soft: #C2C6DA; --muted: #9499B3; --line: #2C3258;
    --navy: #2A3070; --navy-deep: #0A0D1F; --on-navy: #FFFFFF; --on-navy-soft: #B9BDD6;
    --red: #E2373A; --red-ink: #FF6B6B; --water: #5FB3A8;
    --todo-bg: #4A3B00; --todo-ink: #FFE58A;
    --logo-plate: #FFFFFF;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1226; --bg-alt: #151934; --surface: #1A1F3D;
  --ink: #E9EBF4; --ink-soft: #C2C6DA; --muted: #9499B3; --line: #2C3258;
  --navy: #2A3070; --navy-deep: #0A0D1F; --on-navy: #FFFFFF; --on-navy-soft: #B9BDD6;
  --red: #E2373A; --red-ink: #FF6B6B; --water: #5FB3A8;
  --todo-bg: #4A3B00; --todo-ink: #FFE58A;
  --logo-plate: #FFFFFF;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 var(--fs-md)/1.65 var(--f-body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.15; margin: 0; text-wrap: balance; letter-spacing: -.015em; }
h1 { font-size: var(--fs-3xl); font-weight: 800; }
h2 { font-size: var(--fs-2xl); font-weight: 800; }
h3 { font-size: var(--fs-xl); font-weight: 700; }
h4 { font-size: var(--fs-lg); font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--red); color: #fff; padding: 10px 16px; }
.skip:focus { left: 16px; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.todo { background: var(--todo-bg); color: var(--todo-ink); font: 600 .78em/1.2 var(--f-mono); padding: 2px 6px; border-radius: 3px; white-space: nowrap; }

/* ---------- Typo utilitaires ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 var(--fs-xs)/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--red-ink); }
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--red); flex: none; }
.on-navy .eyebrow, .hero .eyebrow, .page-hero .eyebrow { color: #FF8A8A; }
.lead { font-size: var(--fs-lg); color: var(--ink-soft); max-width: 62ch; }
.prose { display: grid; gap: 1em; max-width: 68ch; color: var(--ink-soft); }
.prose h2, .prose h3 { color: var(--ink); margin-top: .6em; }
.prose ul { padding-left: 1.2em; display: grid; gap: .35em; }
.mono { font-family: var(--f-mono); }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------- Boutons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 22px; border-radius: var(--r); font: 700 var(--fs-sm)/1 var(--f-display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn .icon { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .icon { transform: translateX(3px); }
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-ink); }
.btn--outline { border-color: currentColor; color: var(--navy); }
:root[data-theme="dark"] .btn--outline { color: var(--ink); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn--outline { color: var(--ink); } }
.btn--outline:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn--light { border-color: rgba(255,255,255,.55); color: #fff; }
.btn--light:hover { background: #fff; color: var(--brand-navy); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font: 700 var(--fs-sm)/1 var(--f-display); letter-spacing: .04em; text-transform: uppercase; color: var(--red-ink); text-decoration: none; }
.link-arrow .icon { width: 16px; height: 16px; transition: transform .2s; }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--bg); border-bottom: 1px solid var(--line); transition: box-shadow .2s; }
.site-header.is-scrolled { box-shadow: var(--shadow); }
.header-in { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; background: var(--logo-plate); padding: 6px 8px; margin-left: -8px; border-radius: var(--r); }
.brand img { height: 42px; width: auto; }
.nav { margin-left: auto; }
.nav ul { list-style: none; display: flex; gap: 2px; }
.nav a { display: block; padding: 10px 11px; font: 600 .8rem/1 var(--f-display); letter-spacing: .07em; text-transform: uppercase; text-decoration: none; color: var(--ink-soft); border-radius: var(--r); position: relative; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 11px; right: 11px; bottom: 2px; height: 2px; background: var(--red); }
.header-tools { display: flex; align-items: center; gap: 10px; }
.lang { font: 600 .75rem/1 var(--f-mono); letter-spacing: .1em; text-decoration: none; color: var(--muted); padding: 8px; border: 1px solid var(--line); border-radius: var(--r); }
.lang:hover { color: var(--ink); border-color: var(--ink-soft); }
.header-cta { min-height: 42px; padding: 10px 16px; font-size: .78rem; }
.burger { display: none; background: none; border: 1px solid var(--line); border-radius: var(--r); width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--ink); cursor: pointer; }
@media (max-width: 1100px) {
  .nav { position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0 0; background: var(--bg); padding: 16px var(--gutter) 120px; overflow-y: auto; transform: translateX(100%); transition: transform .25s ease; visibility: hidden; }
  .nav.is-open { transform: none; visibility: visible; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav a { padding: 18px 4px; font-size: 1rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav a[aria-current="page"]::after { left: 0; right: auto; width: 24px; bottom: -1px; }
  .burger { display: inline-flex; }
  .header-cta { display: none; }
}
@media (max-width: 420px) { .brand img { height: 34px; } }

/* ---------- Sections ---------- */
.section { padding-block: clamp(56px, 8vw, 104px); }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy-deep); color: var(--on-navy); }
.section--navy .lead, .section--navy p { color: var(--on-navy-soft); }
.section-head { display: grid; gap: 14px; margin-bottom: clamp(32px, 5vw, 56px); max-width: 760px; }
.section-head--split { max-width: none; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 24px; }
@media (max-width: 760px) { .section-head--split { grid-template-columns: 1fr; } }

/* ---------- Hero accueil ---------- */
.hero { background: var(--navy-deep); color: var(--on-navy); position: relative; overflow: hidden; }
.hero::before { /* trame topographique discrète */
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background: repeating-radial-gradient(circle at 78% 120%, transparent 0 38px, rgba(255,255,255,.035) 38px 39px);
}
.hero-in { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; padding-block: clamp(48px, 7vw, 96px); }
.hero h1 { font-size: clamp(2.3rem, 1.4rem + 3.6vw, 4.1rem); line-height: 1.04; letter-spacing: -.025em; }
.hero h1 em { font-style: normal; color: #FF5A5C; }
.hero-sub { margin-top: 22px; font-size: var(--fs-lg); color: var(--on-navy-soft); max-width: 54ch; }
.hero .btn-row { margin-top: 32px; }
.hero-meta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 10px 28px; font: 500 var(--fs-xs)/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--on-navy-soft); border-top: 1px solid rgba(255,255,255,.14); padding-top: 18px; }
.hero-meta span { display: inline-flex; gap: 8px; align-items: center; }
.hero-meta b { color: #fff; font-weight: 600; }
.mosaic { display: grid; grid-template-columns: 1.1fr 1fr; grid-template-rows: 1fr 1fr; gap: 10px; aspect-ratio: 1 / 1.02; max-width: 100%; }
.mosaic figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--r); background: #22274d; }
.mosaic figure:first-child { grid-row: span 2; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; }
.mosaic figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 10px; font: 500 .7rem/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: #fff; background: linear-gradient(transparent, rgba(10,13,31,.85)); }
@media (max-width: 900px) { .hero-in { grid-template-columns: 1fr; } .mosaic { aspect-ratio: 4 / 3.4; } }
@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: rise .7s cubic-bezier(.2,.7,.2,1) both; }
  .hero-copy > *:nth-child(2) { animation-delay: .06s; } .hero-copy > *:nth-child(3) { animation-delay: .12s; }
  .hero-copy > *:nth-child(4) { animation-delay: .18s; } .hero-copy > *:nth-child(5) { animation-delay: .24s; }
  .mosaic figure { animation: settle .9s cubic-bezier(.2,.7,.2,1) both; }
  .mosaic figure:nth-child(2) { animation-delay: .1s; } .mosaic figure:nth-child(3) { animation-delay: .2s; }
}
@keyframes rise { from { transform: translateY(14px); opacity: .2; } to { transform: none; opacity: 1; } }
@keyframes settle { from { transform: scale(1.04); opacity: .4; } to { transform: none; opacity: 1; } }

/* ---------- En-tête de page interne ---------- */
.page-hero { background: var(--navy-deep); color: var(--on-navy); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-radial-gradient(circle at 92% 140%, transparent 0 34px, rgba(255,255,255,.04) 34px 35px); }
.page-hero-in { position: relative; padding-block: clamp(44px, 6vw, 80px); display: grid; gap: 16px; }
.page-hero h1 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.2rem); max-width: 20ch; }
.page-hero p { color: var(--on-navy-soft); font-size: var(--fs-lg); max-width: 62ch; }
.crumbs { font: 500 var(--fs-xs)/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-navy-soft); display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a { text-decoration: none; } .crumbs a:hover { color: #fff; }

/* ---------- En quelques mots ---------- */
.intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.intro-body { display: grid; gap: 18px; color: var(--ink-soft); }
.pillars { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0; border-top: 1px solid var(--line); margin-top: 8px; }
.pillars li { list-style: none; padding: 16px 12px 16px 0; border-bottom: 1px solid var(--line); display: flex; gap: 12px; align-items: flex-start; font-weight: 600; color: var(--ink); font-size: var(--fs-sm); }
.pillars .icon { color: var(--red); width: 20px; height: 20px; margin-top: 1px; }
@media (max-width: 860px) { .intro { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .pillars { grid-template-columns: 1fr; } }

/* ---------- Chiffres ---------- */
.figures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.figure { padding: 28px 24px 28px 0; border-bottom: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.figure + .figure { padding-left: 24px; border-left: 1px solid var(--line); }
.figure-num { font: 800 clamp(2.8rem, 2rem + 3vw, 4.4rem)/1 var(--f-display); color: var(--navy); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.figure-num i { font-style: normal; color: var(--red); }
.figure-label { font: 700 var(--fs-md)/1.3 var(--f-display); text-transform: uppercase; letter-spacing: .04em; }
.figure-ctx { font: 400 var(--fs-xs)/1.4 var(--f-mono); color: var(--muted); letter-spacing: .04em; }
.section--navy .figures, .section--navy .figure { border-color: rgba(255,255,255,.14); }
.section--navy .figure-num { color: #fff; }
.section--navy .figure-ctx { color: var(--on-navy-soft); }
:root[data-theme="dark"] .figure-num { color: var(--ink); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .figure-num { color: var(--ink); } }
@media (max-width: 760px) { .figures { grid-template-columns: 1fr; } .figure + .figure { padding-left: 0; border-left: 0; } }

/* ---------- Cartes expertises ---------- */
.exp-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.exp-card { background: var(--surface); padding: 28px 24px 24px; display: grid; grid-template-rows: auto auto 1fr auto; gap: 14px; position: relative; transition: background .2s; }
.exp-card:hover { background: var(--bg-alt); }
.exp-card::after { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--red); transition: width .3s ease; }
.exp-card:hover::after { width: 100%; }
.exp-top { display: flex; justify-content: space-between; align-items: center; }
.exp-icon { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--r); color: var(--navy); }
:root[data-theme="dark"] .exp-icon { color: var(--ink); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .exp-icon { color: var(--ink); } }
.exp-num { font: 500 var(--fs-xs)/1 var(--f-mono); color: var(--muted); letter-spacing: .1em; }
.exp-card h3 { font-size: 1.12rem; }
.exp-card p { color: var(--ink-soft); font-size: var(--fs-sm); }
@media (max-width: 1024px) { .exp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .exp-grid { grid-template-columns: 1fr; } }

/* ---------- Coupe de forage (processus) ---------- */
.bore { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.bore-aside { position: sticky; top: calc(var(--header-h) + 32px); display: grid; gap: 18px; }
.bore-list { list-style: none; position: relative; padding-left: 72px; }
.bore-list::before { /* colonne lithologique */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 30px; border-radius: 2px;
  background:
    linear-gradient(180deg, #8C5A3C 0 9%, #B9824F 9% 22%, #D6B27A 22% 40%, #9D9A8E 40% 63%, #6E7180 63% 100%);
}
.bore-list::after { /* tubage */
  content: ""; position: absolute; left: 11px; top: 0; bottom: 0; width: 8px; background: repeating-linear-gradient(180deg, rgba(255,255,255,.85) 0 14px, rgba(255,255,255,.45) 14px 16px); border-radius: 2px;
}
.bore-step { position: relative; padding: 0 0 26px; display: grid; gap: 4px; }
.bore-step::before { content: ""; position: absolute; left: -42px; top: 9px; width: 30px; height: 1px; background: var(--line); }
.bore-step b { font: 500 var(--fs-xs)/1 var(--f-mono); color: var(--red-ink); letter-spacing: .1em; }
.bore-step h3 { font-size: 1.08rem; }
.bore-step p { color: var(--ink-soft); font-size: var(--fs-sm); max-width: 52ch; }
.bore-depth { position: absolute; left: -72px; top: 3px; width: 30px; text-align: center; font: 600 .62rem/1 var(--f-mono); color: #fff; z-index: 1; text-shadow: 0 1px 2px rgba(0,0,0,.5); }
@media (max-width: 860px) { .bore { grid-template-columns: 1fr; } .bore-aside { position: static; } }

/* ---------- Approche ---------- */
.chain { list-style: none; display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 0; counter-reset: c; }
.chain li { position: relative; padding: 26px 14px 0 0; display: grid; gap: 8px; align-content: start; }
.chain li::before { content: ""; position: absolute; top: 6px; left: 0; right: 0; height: 2px; background: rgba(255,255,255,.18); }
.chain li::after { content: ""; position: absolute; top: 0; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--navy-deep); border: 2px solid #FF5A5C; }
.chain h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; }
.chain p { font-size: var(--fs-sm); color: var(--on-navy-soft); hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
.section:not(.section--navy) .chain li::before { background: var(--line); }
.section:not(.section--navy) .chain li::after { background: var(--bg); border-color: var(--red); }
.section:not(.section--navy) .chain p { color: var(--ink-soft); }
@media (max-width: 1100px) {
  .chain { grid-template-columns: 1fr; }
  .chain li { padding: 0 0 22px 36px; }
  .chain li::before { top: 0; bottom: 0; left: 6px; right: auto; width: 2px; height: auto; }
  .chain li::after { top: 4px; }
}

/* ---------- Valeurs ---------- */
.values { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
@media (max-width: 1000px) { .values { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.values li { list-style: none; min-width: 0; padding: 22px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; gap: 14px; align-items: baseline; font: 700 var(--fs-lg)/1.2 var(--f-display); }
.values li span { font: 500 var(--fs-xs)/1 var(--f-mono); color: var(--red-ink); }

/* ---------- Domaines ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.split--top { align-items: start; }
.split-media { position: relative; }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r); }
.split-media figcaption { margin-top: 10px; font: 400 var(--fs-xs)/1.4 var(--f-mono); color: var(--muted); }
.checks { list-style: none; display: grid; gap: 10px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.checks .icon { width: 20px; height: 20px; color: var(--water); margin-top: 3px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.domain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 20px; }
.domain { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: grid; gap: 16px; align-content: start; }
.domain h3 { display: flex; gap: 12px; align-items: center; }
.domain h3 .icon { color: var(--red); }

/* ---------- Détail expertise ---------- */
.exp-detail { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); padding-block: 48px; border-top: 1px solid var(--line); }
.exp-detail:first-of-type { border-top: 0; padding-top: 0; }
.exp-detail-head { display: grid; gap: 12px; align-content: start; }
.exp-detail-head .exp-icon { width: 56px; height: 56px; }
.exp-detail-body { display: grid; gap: 18px; color: var(--ink-soft); max-width: 72ch; }
.exp-detail-body h2 { color: var(--ink); font-size: var(--fs-xl); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tags li { font: 500 var(--fs-xs)/1 var(--f-mono); letter-spacing: .04em; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--surface); }
@media (max-width: 760px) { .exp-detail { grid-template-columns: 1fr; } }

/* ---------- Réalisations ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.chip { font: 600 var(--fs-xs)/1 var(--f-display); letter-spacing: .08em; text-transform: uppercase; padding: 12px 16px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); border-radius: 999px; cursor: pointer; }
.chip:hover { color: var(--ink); border-color: var(--ink-soft); }
.chip[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 20px; }
.proj { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); display: grid; grid-template-rows: auto 1fr; overflow: hidden; }
.proj-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding: 22px 24px 18px; background: var(--navy-deep); color: #fff; }
.proj-fig { font: 800 2.5rem/1 var(--f-display); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.proj-unit { display: block; margin-top: 6px; font: 500 .7rem/1.3 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--on-navy-soft); }
.proj-year { font: 500 var(--fs-xs)/1 var(--f-mono); color: #FF8A8A; letter-spacing: .06em; white-space: nowrap; }
.proj-body { padding: 22px 24px 24px; display: grid; gap: 14px; align-content: start; }
.proj-body h3 { font-size: 1.08rem; }
.proj-body p { color: var(--ink-soft); font-size: var(--fs-sm); }
.kv { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 6px 12px; font-size: var(--fs-sm); margin: 0; }
.kv dt { font: 500 .7rem/1.7 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.kv dd { margin: 0; color: var(--ink); min-width: 0; }
.notice { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border-left: 3px solid var(--water); background: var(--bg-alt); color: var(--ink-soft); font-size: var(--fs-sm); border-radius: 0 var(--r) var(--r) 0; max-width: 900px; }
.notice .icon { color: var(--water); }
.refs { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.refs li { font: 700 var(--fs-sm)/1 var(--f-display); letter-spacing: .06em; padding: 16px 20px; border: 1px solid var(--line); border-radius: var(--r); color: var(--ink-soft); background: var(--surface); }

/* ---------- Galerie ---------- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 12px; }
.g-item { margin: 0; position: relative; }
.g-item button { all: unset; display: block; width: 100%; cursor: zoom-in; border-radius: var(--r); overflow: hidden; position: relative; aspect-ratio: 4 / 5; background: var(--bg-alt); }
.g-item button:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.g-item button:hover img { transform: scale(1.04); }
.g-item figcaption { padding: 10px 2px 0; display: grid; gap: 2px; }
.g-item figcaption b { font: 600 var(--fs-sm)/1.35 var(--f-body); }
.g-item figcaption span { font: 500 .68rem/1.4 var(--f-mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(8,10,24,.94); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; color: #fff; padding: calc(env(safe-area-inset-top, 0px) + 12px) 12px calc(env(safe-area-inset-bottom, 0px) + 16px); }
.lightbox-bar { display: flex; justify-content: space-between; align-items: center; font: 500 var(--fs-xs)/1 var(--f-mono); letter-spacing: .08em; }
.lightbox img { max-width: 100%; max-height: 100%; margin: auto; object-fit: contain; align-self: center; justify-self: center; }
.lightbox-cap { text-align: center; padding-top: 12px; font-size: var(--fs-sm); color: #D7DAEA; }
.lb-btn { background: rgba(255,255,255,.1); border: 0; color: #fff; width: 48px; height: 48px; border-radius: 50%; display: inline-grid; place-items: center; cursor: pointer; }
.lb-btn:hover { background: rgba(255,255,255,.2); }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); }
.lb-prev { left: 12px; } .lb-next { right: 12px; }

/* ---------- Équipe ---------- */
.team { display: grid; gap: 24px; }
.member { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.member-id { background: var(--navy-deep); color: #fff; padding: 28px; display: grid; gap: 14px; align-content: start; }
.avatar { width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; font: 800 1.6rem/1 var(--f-display); background: #252A5C; border: 2px solid #FF5A5C; color: #fff; }
.member-id h3 { font-size: 1.2rem; }
.member-id p { font: 600 var(--fs-sm)/1.4 var(--f-display); color: #FF8A8A; text-transform: uppercase; letter-spacing: .05em; }
.member-id small { font: 500 var(--fs-xs)/1 var(--f-mono); color: var(--on-navy-soft); }
.member-body { padding: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.member-body h4 { font: 600 var(--fs-xs)/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--red-ink); margin-bottom: 12px; }
.member-body ul { list-style: none; display: grid; gap: 10px; font-size: var(--fs-sm); color: var(--ink-soft); }
.member-body li { padding-left: 14px; position: relative; }
.member-body li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 1px; background: var(--muted); }
@media (max-width: 1000px) { .member { grid-template-columns: 1fr; } .member-body { grid-template-columns: 1fr; } }

/* ---------- Moyens ---------- */
.res-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.res { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: grid; gap: 10px; background: var(--surface); align-content: start; }
.res .big { font: 800 3rem/1 var(--f-display); color: var(--navy); letter-spacing: -.03em; }
:root[data-theme="dark"] .res .big { color: var(--ink); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .res .big { color: var(--ink); } }
.res p { color: var(--ink-soft); font-size: var(--fs-sm); }
@media (max-width: 900px) { .res-grid { grid-template-columns: 1fr; } }
.equip-cats { display: grid; gap: 16px; }
.equip-cat { display: grid; grid-template-columns: 260px minmax(0, 1fr); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); overflow: hidden; }
.equip-cat-head { padding: 24px; display: flex; gap: 14px; align-items: center; background: var(--bg-alt); border-right: 1px solid var(--line); }
.equip-cat-head .icon { color: var(--red); width: 28px; height: 28px; }
.equip-cat-head h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .05em; }
.equip-items { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); }
.equip-items li { padding: 20px 24px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); display: grid; gap: 4px; margin: 0 -1px -1px 0; }
.equip-items .model { font: 700 1.05rem/1.2 var(--f-display); }
.equip-items .desc { font-size: var(--fs-sm); color: var(--ink-soft); }
.equip-items .qty { font: 500 var(--fs-xs)/1 var(--f-mono); color: var(--red-ink); letter-spacing: .06em; }
.equip-empty { padding: 20px 24px; color: var(--muted); font-size: var(--fs-sm); display: flex; align-items: center; }
@media (max-width: 760px) { .equip-cat { grid-template-columns: 1fr; } .equip-cat-head { border-right: 0; border-bottom: 1px solid var(--line); } }

/* ---------- Fiche identité ---------- */
.idcard { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); overflow: hidden; }
.idcard h3 { padding: 18px 24px; background: var(--navy-deep); color: #fff; font-size: var(--fs-sm); font-family: var(--f-mono); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.idcard dl { margin: 0; display: grid; grid-template-columns: minmax(120px, 38%) minmax(0, 1fr); }
.idcard dt, .idcard dd { margin: 0; padding: 13px 24px; border-bottom: 1px solid var(--line); font-size: var(--fs-sm); }
.idcard dt { color: var(--muted); font: 500 .72rem/1.6 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; }
.idcard dd { font-weight: 600; overflow-wrap: anywhere; }
.idcard dl > :nth-last-child(-n+2) { border-bottom: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--red); color: #fff; }
.cta-in { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding-block: clamp(40px, 6vw, 64px); }
.cta-in h2 { max-width: 22ch; }
.cta-in p { color: rgba(255,255,255,.85); margin-top: 8px; }
.cta-band .btn--white { background: #fff; color: #B01214; }
.cta-band .btn--white:hover { background: var(--brand-navy); color: #fff; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact-cards { display: grid; gap: 14px; }
.ccard { display: flex; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.ccard .icon { color: var(--red); width: 26px; height: 26px; margin-top: 2px; }
.ccard h3 { font: 600 var(--fs-xs)/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.ccard p, .ccard a { font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.ccard a:hover { color: var(--red-ink); }
.ccard .stack { display: grid; gap: 4px; }
.copy { font: 500 .68rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; background: none; border: 1px solid var(--line); color: var(--muted); border-radius: var(--r); padding: 6px 8px; cursor: pointer; margin-left: 8px; vertical-align: middle; }
.copy:hover { color: var(--ink); }
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 4vw, 40px); display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 8px; min-width: 0; }
.field label { font: 600 var(--fs-xs)/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.field label i { color: var(--red); font-style: normal; }
.field input, .field select, .field textarea { width: 100%; font: 400 var(--fs-md)/1.4 var(--f-body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r); padding: 13px 14px; min-height: 48px; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--navy); outline-offset: 0; border-color: var(--navy); }
.field [aria-invalid="true"] { border-color: var(--red); }
.field .err { font-size: var(--fs-xs); color: var(--red-ink); min-height: 1em; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: var(--fs-sm); color: var(--ink-soft); }
.consent input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--red); flex: none; }
.form-result { padding: 18px; border-radius: var(--r); background: var(--bg-alt); border-left: 3px solid var(--water); display: grid; gap: 12px; font-size: var(--fs-sm); }
.form-result pre { white-space: pre-wrap; font: 400 var(--fs-xs)/1.5 var(--f-mono); background: var(--surface); padding: 12px; border-radius: var(--r); border: 1px solid var(--line); margin: 0; max-height: 220px; overflow: auto; }
.hp { position: absolute; left: -9999px; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
.map-card { border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.map-art { aspect-ratio: 16 / 7; background: var(--navy-deep); position: relative; display: grid; place-items: center; }
.map-art::before { content: ""; position: absolute; inset: 0; background: repeating-radial-gradient(circle at 50% 50%, transparent 0 22px, rgba(255,255,255,.07) 22px 23px); }
.map-pin { position: relative; display: grid; justify-items: center; gap: 8px; color: #fff; font: 600 var(--fs-xs)/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; }
.map-pin .icon { width: 40px; height: 40px; color: #FF5A5C; }
.map-body { padding: 20px 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }

/* ---------- Actualités ---------- */
.empty { border: 1px dashed var(--line); border-radius: var(--r-lg); padding: clamp(28px, 5vw, 56px); display: grid; gap: 14px; justify-items: start; background: var(--surface); }
.empty .icon { width: 36px; height: 36px; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-navy-soft); font-size: var(--fs-sm); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-block: 64px 40px; }
.foot-brand { display: grid; gap: 18px; align-content: start; }
.foot-brand .plate { background: #fff; padding: 10px 12px; border-radius: var(--r); justify-self: start; }
.foot-brand .plate img { height: 40px; width: auto; }
.site-footer h3 { font: 600 var(--fs-xs)/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.site-footer ul { list-style: none; display: grid; gap: 10px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.foot-legal { border-top: 1px solid rgba(255,255,255,.12); padding-block: 22px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; font: 400 var(--fs-xs)/1.5 var(--f-mono); letter-spacing: .03em; }
.foot-legal nav { display: flex; gap: 20px; flex-wrap: wrap; }
@media (max-width: 960px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }

/* ---------- Barre d'action mobile ---------- */
.mbar { display: none; }
@media (max-width: 760px) {
  .mbar { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--bg); border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(21,25,53,.08); padding-bottom: env(safe-area-inset-bottom, 0px); }
  .mbar a { display: grid; justify-items: center; gap: 4px; padding: 10px 4px 9px; min-height: 60px; text-decoration: none; font: 700 .64rem/1.1 var(--f-display); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); text-align: center; }
  .mbar a .icon { width: 22px; height: 22px; color: var(--navy); }
  :root[data-theme="dark"] .mbar a .icon { color: var(--ink); }
  .mbar a.is-primary { background: var(--red); color: #fff; }
  .mbar a.is-primary .icon { color: #fff; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
}
@media (max-width: 760px) and (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .mbar a:not(.is-primary) .icon { color: var(--ink); } }

/* ---------- Animations au scroll (état de repos visible) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal.is-in { animation: rise .6s cubic-bezier(.2,.7,.2,1) both; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }