/* =====================================================================
   MH INTERIOR — Refonte (démo)
   Design system "Le trait" — la planche d'architecte
   HTML/CSS/JS natif · mobile-first · WCAG 2.2 AA
   ===================================================================== */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Couleurs — dérivées de l'identité réelle MH (#2a4b9a) */
  --bleu:       #2a4b9a;   /* encre / signature */
  --bleu-deep:  #213c7d;   /* hover */
  --navy:       #161a33;   /* sections sombres */
  --navy-2:     #1f2444;
  --ink:        #14161f;   /* texte principal */
  --mute:       #5f6473;   /* texte secondaire */
  --paper:      #f6f5f2;   /* fond papier-calque */
  --paper-2:    #efeee9;
  --voile:      #e9edf6;   /* tint cobalt */
  --white:      #ffffff;
  --line:       rgba(42,75,154,.20);   /* hairline cobalt */
  --line-soft:  rgba(20,22,31,.10);

  /* Typo */
  --f-display: "Fraunces", Georgia, "Times New Roman", serif;
  --f-body:    "Montserrat", system-ui, -apple-system, sans-serif;
  --f-mono:    "Space Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Échelle typographique fluide */
  --fs-hero:  clamp(2.7rem, 1.4rem + 6vw, 7rem);
  --fs-h1:    clamp(2.2rem, 1.4rem + 3.4vw, 4rem);
  --fs-h2:    clamp(1.7rem, 1.2rem + 2vw, 2.9rem);
  --fs-h3:    clamp(1.25rem, 1.05rem + .8vw, 1.6rem);
  --fs-lead:  clamp(1.05rem, .98rem + .5vw, 1.3rem);
  --fs-body:  1rem;
  --fs-mono:  .72rem;     /* annotations */

  /* Espace & rythme */
  --gut: clamp(1.25rem, .8rem + 2vw, 2.5rem);
  --pad-section: clamp(4.5rem, 3rem + 6vw, 9rem);
  --maxw: 1400px;
  --radius: 2px;          /* presque nul : rigueur de plan */

  --shadow: 0 24px 60px -28px rgba(20,28,60,.35);
  --ease: cubic-bezier(.22,.61,.36,1);
  --t: .55s var(--ease);
}

/* ---------- 2. RESET ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .001ms !important; transition-duration: .001ms !important; animation-iteration-count: 1 !important; }
}
body {
  font-family: var(--f-body);
  font-weight: 400;
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img,svg,video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button,input,select,textarea { font: inherit; color: inherit; }
ul { list-style: none; }
h1,h2,h3,h4 { font-family: var(--f-display); font-weight: 300; line-height: 1.04; letter-spacing: -.01em; }
::selection { background: var(--bleu); color: #fff; }

/* Accessibilité : focus visible + skip link */
:focus-visible { outline: 2px solid var(--bleu); outline-offset: 3px; border-radius: 1px; }
.skip {
  position: absolute; left: 1rem; top: -3rem; z-index: 999;
  background: var(--navy); color: #fff; padding: .7rem 1.1rem; border-radius: var(--radius);
  transition: top .2s;
}
.skip:focus { top: 1rem; }

/* ---------- 3. LAYOUT PRIMITIVES ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: var(--pad-section); }
.section--tight { padding-block: clamp(3rem, 2rem + 3vw, 5rem); }
.dark { background: var(--navy); color: #eef0f7; }
.dark h1,.dark h2,.dark h3 { color: #fff; }
.dark .eyebrow { color: #9db0e6; }
.dark .eyebrow::after { background: rgba(157,176,230,.4); }

/* Annotation / signature : eyebrow façon cote d'architecte */
.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bleu);
  display: flex; align-items: center; gap: .85rem;
  margin-bottom: 1.4rem;
}
.eyebrow::after { content: ""; flex: 1; height: 1px; background: var(--line); max-width: 120px; }
.eyebrow--center { justify-content: center; }
.eyebrow--center::before { content: ""; height: 1px; background: var(--line); width: 60px; }

/* ---------- 4. BOUTONS ---------- */
.btn {
  --bg: var(--bleu); --fg: #fff;
  display: inline-flex; align-items: center; gap: .6rem;
  background: var(--bg); color: var(--fg);
  font-family: var(--f-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  padding: 1rem 1.6rem; border: 1px solid var(--bg); border-radius: var(--radius);
  cursor: pointer; transition: background var(--t), color var(--t), transform .25s var(--ease);
  position: relative;
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover { background: var(--bleu-deep); border-color: var(--bleu-deep); transform: translateY(-2px); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--ghost { --bg: transparent; --fg: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--light { --bg: #fff; --fg: var(--navy); border-color: #fff; }
.btn--light:hover { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn--block { width: 100%; justify-content: center; }

.link-u {
  font-family: var(--f-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  border-bottom: 1px solid var(--line); padding-bottom: 3px; transition: border-color var(--t), color var(--t);
}
.link-u:hover { border-color: var(--bleu); color: var(--bleu); }

/* ---------- 5. HEADER ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem,.6rem+1vw,1.4rem) var(--gut);
  transition: background var(--t), box-shadow var(--t), padding var(--t);
}
.site-header.scrolled {
  background: rgba(246,245,242,.86);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line-soft);
  padding-block: .8rem;
}
.brand { display: flex; align-items: baseline; gap: .55rem; font-family: var(--f-display); font-size: 1.35rem; letter-spacing: .02em; color: var(--ink); }
.brand b { font-weight: 500; }
.brand span { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .25em; text-transform: uppercase; color: var(--bleu); transform: translateY(-.4em); }
.nav { display: flex; align-items: center; gap: clamp(1.5rem,.9rem+1.4vw,2.4rem); }
.nav a:not(.btn) {
  font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink);
  position: relative; padding: .3rem 0;
}
.nav a:not(.btn)::after { content:""; position:absolute; left:0; bottom:0; height:1px; width:0; background: var(--bleu); transition: width .3s var(--ease); }
.nav a:not(.btn):hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.nav a[aria-current="page"] { color: var(--bleu); }
.nav .btn { padding: .7rem 1.15rem; }
.nav-toggle { display: none; }

/* Header clair au-dessus d'un héro sombre (tant que non scrollé) */
.site-header.over-hero:not(.scrolled) .brand { color: #fff; text-shadow: 0 1px 16px rgba(8,10,20,.55); }
.site-header.over-hero:not(.scrolled) .brand span { color: #e3e9fb; text-shadow: none; }
.site-header.over-hero:not(.scrolled) .nav > a:not(.btn) { color: #fff; text-shadow: 0 1px 14px rgba(8,10,20,.6); }
.site-header.over-hero:not(.scrolled) .nav > a:not(.btn)::after { background: #fff; }
.site-header.over-hero:not(.scrolled) .nav-toggle span { background: #fff; }

/* Mobile nav */
@media (max-width: 940px) {
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer;
    width: 44px; height: 44px; align-items: center; justify-content: center; z-index: 120;
  }
  .nav-toggle span { width: 24px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav {
    position: fixed; inset: 0; background: var(--navy); flex-direction: column; justify-content: center;
    gap: 1.6rem; transform: translateX(100%); transition: transform .45s var(--ease); padding: 2rem;
  }
  .nav.open { transform: none; }
  .nav a:not(.btn) { color: #fff; font-size: 1rem; }
  .nav a:not(.btn)::after { background: #9db0e6; }
  .nav .btn { margin-top: .5rem; }
}

/* ---------- 6. HERO ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); animation: kenburns 16s var(--ease) forwards; }
@keyframes kenburns { to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce){ .hero__media img { animation: none; transform: none; } }
.hero__media::after { content:""; position:absolute; inset:0; background:
  linear-gradient(95deg, rgba(8,10,20,.64) 0%, rgba(8,10,20,.32) 30%, rgba(8,10,20,0) 58%),
  linear-gradient(to top, rgba(8,10,20,.52) 0%, rgba(8,10,20,0) 32%); }
/* passe-partout : cadre de planche */
.hero__frame { position: absolute; inset: clamp(14px,2.4vw,34px); border: 1px solid rgba(255,255,255,.32); z-index: 2; pointer-events: none; }
.hero__tick { position: absolute; font-family: var(--f-mono); font-size: .62rem; letter-spacing: .2em; color: rgba(255,255,255,.85); text-transform: uppercase; z-index: 3; }
.hero__tick--tl { top: calc(clamp(14px,2.4vw,34px) + 14px); left: calc(clamp(14px,2.4vw,34px) + 16px); }
.hero__tick--tr { top: calc(clamp(14px,2.4vw,34px) + 14px); right: calc(clamp(14px,2.4vw,34px) + 16px); }
.hero__inner { position: relative; z-index: 3; color: #fff; padding-bottom: clamp(3.5rem,2rem+5vw,7rem); }
.hero__eyebrow { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: #fff; opacity: .95; margin-bottom: 1.2rem; text-shadow: 0 1px 12px rgba(8,10,20,.5); }
.hero h1 { font-size: var(--fs-hero); color: #fff; max-width: 16ch; font-weight: 300; text-shadow: 0 2px 40px rgba(8,10,20,.5), 0 1px 6px rgba(8,10,20,.3); }
.hero h1 em { font-style: italic; color: #e7ecfb; }
.hero__lead { max-width: 52ch; margin-top: 1.5rem; font-size: var(--fs-lead); color: #fff; font-weight: 300; text-shadow: 0 1px 18px rgba(8,10,20,.55), 0 1px 4px rgba(8,10,20,.35); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.hero__scroll { position: absolute; bottom: 1.6rem; right: var(--gut); z-index:3; font-family: var(--f-mono); font-size:.62rem; letter-spacing:.2em; text-transform:uppercase; color:#fff; display:flex; align-items:center; gap:.6rem; }
.hero__scroll i { width: 1px; height: 34px; background: rgba(255,255,255,.6); display:block; transform-origin: top; animation: scrolldown 1.8s var(--ease) infinite; }
@keyframes scrolldown { 0%{transform:scaleY(0)} 40%{transform:scaleY(1); transform-origin:top} 60%{transform-origin:bottom} 100%{transform:scaleY(0); transform-origin:bottom} }

/* page hero (intérieur) */
.phero { padding-top: clamp(8rem,6rem+6vw,11rem); padding-bottom: clamp(2.5rem,2rem+2vw,4rem); }
.phero h1 { font-size: var(--fs-h1); max-width: 18ch; }
.phero__lead { max-width: 60ch; margin-top: 1.4rem; font-size: var(--fs-lead); color: var(--mute); }
.crumb { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--mute); margin-bottom: 1.2rem; display:flex; gap:.6rem; flex-wrap:wrap; }
.crumb a:hover { color: var(--bleu); }
.crumb span { color: var(--bleu); }

/* ---------- 7. STATS (dimension band) ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); }
.stats .stat { padding: clamp(1.6rem,1rem+2vw,2.6rem) clamp(.6rem,.4rem+1vw,1.4rem); border-right: 1px solid var(--line); position: relative; }
.stats .stat:last-child { border-right: 0; }
.stat__n { font-family: var(--f-display); font-size: clamp(2.2rem,1.4rem+3vw,3.6rem); font-weight: 300; color: var(--bleu); line-height: 1; }
.stat__l { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin-top: .7rem; }
@media (max-width: 720px){ .stats { grid-template-columns: repeat(2,1fr);} .stats .stat:nth-child(2){border-right:0;} .stats .stat:nth-child(-n+2){border-bottom:1px solid var(--line);} }

/* ---------- 8. SECTION HEADERS ---------- */
.shead { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 64ch; margin-bottom: clamp(2.2rem,1.5rem+2vw,3.5rem); }
.shead h2 { font-size: var(--fs-h2); }
.shead p { color: var(--mute); font-size: var(--fs-lead); font-weight: 300; }
.shead--split { max-width: none; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 2rem; }
@media (max-width: 800px){ .shead--split { grid-template-columns: 1fr; } }

/* ---------- 9. SPLIT DOUBLE-CIBLE ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem,.5rem+1.5vw,2rem); }
@media (max-width: 800px){ .duo { grid-template-columns: 1fr; } }
.cible { position: relative; overflow: hidden; border-radius: var(--radius); min-height: clamp(360px,42vw,560px); display: flex; align-items: flex-end; color: #fff; }
.cible img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.cible::after { content:""; position:absolute; inset:0; z-index:1; background: linear-gradient(to top, rgba(12,15,30,.82) 0%, rgba(12,15,30,.20) 42%, rgba(12,15,30,0) 72%); transition: background .6s var(--ease); }
.cible:hover::after { background: linear-gradient(to top, rgba(26,48,104,.84) 0%, rgba(14,18,38,.24) 48%, rgba(14,18,38,0) 78%); }
.cible:hover img { transform: scale(1.05); }
.cible__body { position: relative; z-index: 2; padding: clamp(1.4rem,1rem+1.5vw,2.4rem); width: 100%; }
.cible h3 { color:#fff; font-size: var(--fs-h3); }
.cible__n { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.2em; color: rgba(255,255,255,.8); }
.cible p { color: rgba(255,255,255,.85); font-size: .95rem; margin: .6rem 0 1.1rem; max-width: 40ch; }

/* ---------- 10. GRILLE PROJETS ---------- */
.pgrid { display: grid; grid-template-columns: repeat(12,1fr); gap: clamp(.9rem,.5rem+1vw,1.6rem); align-items: stretch; }
.card { grid-column: span 4; position: relative; overflow: hidden; border-radius: var(--radius); background: var(--paper-2); display: flex; flex-direction: column; min-height: clamp(260px, 30vw, 380px); }
.card--w6 { grid-column: span 6; }
.card--w8 { grid-column: span 8; }
.card--w8, .card--tall { min-height: clamp(360px, 46vw, 600px); }
.card__media { flex: 1; position: relative; overflow: hidden; }
.card__media img { position: absolute; inset: 0; width:100%; height:100%; object-fit: cover; transition: transform .9s var(--ease); }
.card:hover .card__media img { transform: scale(1.05); }
.card__veil { position:absolute; inset:0; z-index:1; background: linear-gradient(to top, rgba(13,16,32,.74) 0%, rgba(13,16,32,.26) 34%, rgba(13,16,32,0) 62%); transition: opacity .55s var(--ease), background .55s var(--ease); }
.card:hover .card__veil { background: linear-gradient(to top, rgba(28,52,112,.82) 0%, rgba(15,20,40,.30) 46%, rgba(15,20,40,0) 78%); }
.card__body { position: absolute; left: 0; bottom: 0; padding: clamp(1rem,.7rem+1vw,1.6rem); color:#fff; z-index:2; transform: translateY(6px); transition: transform .55s var(--ease); }
.card:hover .card__body { transform: translateY(0); }
.card__cat { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.18em; text-transform: uppercase; color:#cdd7f4; transition: color .45s var(--ease); }
.card:hover .card__cat { color:#fff; }
.card__t { font-family: var(--f-display); font-size: var(--fs-h3); font-weight:300; margin-top:.4rem; position:relative; display:inline-block; }
.card__t::after { content:""; position:absolute; left:0; bottom:-4px; height:1px; width:0; background:rgba(255,255,255,.75); transition: width .5s var(--ease); }
.card:hover .card__t::after { width:100%; }
.card__plus { position:absolute; top: 1rem; right: 1rem; z-index:2; width:38px; height:38px; border:1px solid rgba(255,255,255,.5); border-radius:50%; display:grid; place-items:center; color:#fff; opacity:0; transform: scale(.8); transition: opacity var(--t), transform var(--t); }
.card:hover .card__plus { opacity:1; transform: none; }
@media (max-width: 800px){ .card,.card--w6,.card--w8 { grid-column: span 6; } }
@media (max-width: 540px){ .card,.card--w6,.card--w8 { grid-column: span 12; } }

/* ---------- 11. GUIDE / lead magnet ---------- */
.guide { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem,1rem+2vw,3.5rem); align-items: center; }
@media (max-width: 860px){ .guide { grid-template-columns: 1fr; } }
.guide__media { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 5/4; }
.guide__media img { width:100%; height:100%; object-fit: cover; }
.guide__tag { position:absolute; top:1rem; left:1rem; background: var(--bleu); color:#fff; font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.16em; text-transform: uppercase; padding:.5rem .85rem; border-radius: var(--radius); }

/* ---------- 12. FORMULAIRES ---------- */
.form { display: grid; gap: 1.2rem; }
.field { display: grid; gap: .5rem; }
.field label { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.12em; text-transform: uppercase; color: var(--mute); }
.field .req { color: var(--bleu); }
.field input, .field select, .field textarea {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1rem; transition: border-color var(--t), box-shadow var(--t); width: 100%;
}
.dark .field input, .dark .field select, .dark .field textarea { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18); color:#fff; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--bleu); box-shadow: 0 0 0 3px rgba(42,75,154,.14); outline: none; }
.field textarea { min-height: 130px; resize: vertical; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width:560px){ .field--row { grid-template-columns: 1fr; } }
.field-error { color: #b5341f; font-size: .82rem; min-height: 1em; }
.field input:invalid:not(:placeholder-shown), .field input[aria-invalid="true"] { border-color: #b5341f; }
.checkrow { display:flex; gap:.7rem; align-items:flex-start; font-size:.86rem; color: var(--mute); }
.checkrow input { width:18px; height:18px; margin-top:.2rem; accent-color: var(--bleu); }
.form__note { font-size:.78rem; color: var(--mute); }
.form-status { font-family: var(--f-mono); font-size:.8rem; letter-spacing:.06em; padding:.4rem 0; }
.form-status.ok { color: #1c7a4a; }

/* ---------- 13. FAQ (GEO) ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 1.3rem 0; }
.faq summary { cursor: pointer; list-style: none; display:flex; justify-content: space-between; gap:1rem; align-items:center; font-family: var(--f-display); font-size: var(--fs-h3); font-weight:300; }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; font-family: var(--f-mono); color: var(--bleu); font-size:1.4rem; transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--mute); margin-top: .9rem; max-width: 75ch; }

/* ---------- 14. CLIENTS strip ---------- */
.clients { display:flex; flex-wrap: wrap; gap: clamp(1.5rem,1rem+3vw,4rem); align-items:center; }
.clients li { font-family: var(--f-display); font-size: clamp(1.1rem,.9rem+1vw,1.7rem); font-weight:400; color: var(--mute); letter-spacing:.02em; transition: color var(--t); }
.clients li:hover { color: var(--ink); }

/* ---------- 15. ÉQUIPE ---------- */
.team-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: clamp(1rem,.6rem+1.5vw,2rem); }
@media (max-width:820px){ .team-grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width:520px){ .team-grid { grid-template-columns: 1fr;} }
.member { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; transition: transform var(--t), box-shadow var(--t); }
.member:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.member__id { display:flex; align-items:baseline; justify-content:space-between; gap:1rem; }
.member h3 { font-size: 1.35rem; }
.member__loc { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.12em; color: var(--bleu); text-transform:uppercase; }
.member__role { color: var(--mute); font-size:.92rem; margin-top:.3rem; }
.member__line { height:1px; background: var(--line); margin: 1.1rem 0; }

/* ---------- 16. FEATURE LIST (recrutement) ---------- */
.feats { display:grid; grid-template-columns: repeat(3,1fr); gap: clamp(1rem,.6rem+1.5vw,2rem); counter-reset: f; }
@media (max-width:820px){ .feats { grid-template-columns:1fr;} }
.feat { border-top: 2px solid var(--bleu); padding-top: 1.2rem; }
.feat::before { counter-increment: f; content: "0" counter(f); font-family: var(--f-mono); font-size:.8rem; letter-spacing:.1em; color: var(--bleu); }
.feat h3 { font-size: var(--fs-h3); margin:.6rem 0 .6rem; }
.feat p { color: var(--mute); font-size:.95rem; }
.feat ul { margin-top:.8rem; display:grid; gap:.5rem; }
.feat li { padding-left:1.2rem; position:relative; font-size:.92rem; }
.feat li::before { content:"—"; position:absolute; left:0; color: var(--bleu); }

/* ---------- 17. CTA band ---------- */
.cta-band { text-align:center; }
.cta-band h2 { font-size: var(--fs-h1); max-width: 20ch; margin-inline:auto; }
.cta-band p { color: rgba(255,255,255,.8); max-width: 52ch; margin: 1.2rem auto 2rem; font-size: var(--fs-lead); font-weight:300; }
.cta-band .hero__cta { justify-content:center; }

/* ---------- 18. FOOTER ---------- */
.site-footer { background: var(--navy); color:#c7cbe0; padding-top: clamp(3.5rem,2.5rem+4vw,6rem); }
.foot-top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2rem; padding-bottom: 3rem; border-bottom:1px solid rgba(255,255,255,.12); }
@media (max-width:900px){ .foot-top { grid-template-columns: 1fr 1fr; gap:2.4rem 1.5rem; } }
@media (max-width:520px){ .foot-top { grid-template-columns: 1fr; } }
.foot-brand .brand { color:#fff; }
.foot-brand p { margin-top:1rem; color:#9aa0bf; max-width: 34ch; font-size:.92rem; }
.foot .foot-h { font-family: var(--f-mono); font-weight:400; font-size: var(--fs-mono); line-height:1.4; letter-spacing:.18em; text-transform:uppercase; color:#aeb8e6; margin-bottom:1.1rem; }
.foot ul { display:grid; gap:.7rem; }
.foot a:hover { color:#fff; }
.foot address { font-style: normal; display:grid; gap:.5rem; font-size:.92rem; }
.foot address a:hover { color:#fff; }
.socials { display:flex; gap:1rem; margin-top:1rem; }
.socials a { width:40px; height:40px; border:1px solid rgba(255,255,255,.2); border-radius:50%; display:grid; place-items:center; transition: background var(--t), border-color var(--t); }
.socials a:hover { background:#fff; color: var(--navy); border-color:#fff; }
.foot-bottom { display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; padding: 1.6rem 0; font-family: var(--f-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:#a7adca; }
.foot-bottom a:hover { color:#fff; }

/* ---------- 19. UTIL / MOTION ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"]{ transition-delay:.08s } .reveal[data-d="2"]{ transition-delay:.16s }
.reveal[data-d="3"]{ transition-delay:.24s } .reveal[data-d="4"]{ transition-delay:.32s }
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1; transform:none; } }
.measure { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.16em; text-transform:uppercase; color: var(--mute); }
.divider-dim { display:flex; align-items:center; gap:1rem; color: var(--line); margin: 0; }
.divider-dim::before, .divider-dim::after { content:""; height:1px; background: var(--line); flex:1; }
.divider-dim span { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing:.2em; color: var(--mute); }
.center { text-align:center; }
.mt-l { margin-top: clamp(2rem,1.5rem+2vw,3.5rem); }

/* ---------- 20. RAFFINEMENTS ---------- */
/* Signature : le trait d'eyebrow se dessine à l'apparition */
.reveal .eyebrow::after { transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease) .22s; }
.reveal.in .eyebrow::after { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce){ .reveal .eyebrow::after { transform: none; } }

/* Élévation discrète des cartes */
.card { transition: transform .55s var(--ease), box-shadow .55s var(--ease); }
.card:hover { transform: translateY(-5px); box-shadow: 0 30px 60px -34px rgba(13,18,45,.55); }
@media (prefers-reduced-motion: reduce){ .card:hover { transform: none; } }

/* Plus rond : trait cobalt au survol */
.card__plus { background: rgba(255,255,255,.06); backdrop-filter: blur(2px); border-color: rgba(255,255,255,.6); transition: opacity var(--t), transform var(--t), background var(--t); }
.card:hover .card__plus { background: var(--bleu); border-color: var(--bleu); }

/* Bandeau clients : cotes entre les noms */
.clients { row-gap: 1rem; }
.clients li { position: relative; padding-left: 0; }
.clients li:not(:first-child)::before { content: ""; position: absolute; left: calc(-1 * clamp(.75rem,.5rem+1.5vw,2rem) / 2); top: 50%; width: 4px; height: 4px; background: var(--bleu); border-radius: 50%; transform: translate(-50%, -50%); }

/* Stats : la valeur glisse vers le cobalt au survol de la bande */
.stats:hover .stat__n { opacity: .55; transition: opacity .4s var(--ease); }
.stats .stat:hover .stat__n { opacity: 1; }

/* hero load animation */
.hl { opacity:0; transform: translateY(30px); animation: hin .9s var(--ease) forwards; }
.hl[data-d="1"]{animation-delay:.15s}.hl[data-d="2"]{animation-delay:.3s}.hl[data-d="3"]{animation-delay:.45s}.hl[data-d="4"]{animation-delay:.6s}
@keyframes hin { to { opacity:1; transform:none; } }
@media (prefers-reduced-motion: reduce){ .hl { opacity:1; transform:none; animation:none; } }