/* ==========================================================================
   PROSYB — Refonte premium
   Design system conforme à la Charte Graphique Officielle PROSYB :
   dégradé diagonal violet→bleu→cyan, hexagone signature, encre foncée,
   typographie sans-serif arrondie pour les titres.
   ========================================================================== */

:root{
  --violet: #8860FE;
  --blue:   #7598F4;
  --cyan:   #66C2EB;
  --ink:    #2B2640;
  --muted:  #6E6A86;
  --paper:  #F7F6FC;
  --white:  #FFFFFF;

  /* Variante texte accessible du violet (AA, ≥4.5:1 sur fond clair) */
  --violet-ink: #7A56E4;

  /* Dégradé de marque assombri pour rester lisible avec du texte/icônes blancs
     (boutons, badges, hexagones) — le dégradé vif brut ne passe pas WCAG AA
     sur ses zones bleu/cyan avec du blanc dessus. */
  --gradient: linear-gradient(135deg, #7A56E4 0%, #5772B7 55%, #3D748D 100%);
  /* Dégradé vif d'origine — réservé au texte large sur fond encre (héros),
     où le seuil requis n'est que de 3:1. */
  --gradient-vivid: linear-gradient(135deg, var(--cyan), var(--blue) 55%, var(--violet));
  --gradient-soft: linear-gradient(135deg, rgba(136,96,254,.10) 0%, rgba(117,152,244,.08) 55%, rgba(102,194,235,.10) 100%);

  --shadow-sm: 0 2px 10px rgba(43,38,64,.06);
  --shadow-md: 0 12px 32px rgba(43,38,64,.10);
  --shadow-lg: 0 24px 60px rgba(43,38,64,.16);
  --shadow-glow: 0 20px 60px rgba(136,96,254,.25);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;

  --ease: cubic-bezier(.16,1,.3,1);
  --container: 1240px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}
body{
  margin:0;
  font-family:'Inter', ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Manrope', 'Inter', ui-sans-serif, system-ui, sans-serif;
  font-weight:800;
  letter-spacing:-.02em;
  margin:0;
  color: var(--ink);
}
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
button{ font:inherit; cursor:pointer; }

.container{ max-width: var(--container); margin-inline:auto; padding-inline: clamp(20px, 5vw, 48px); }
.on-dark{ color: var(--white); }
.on-dark .muted{ color: rgba(255,255,255,.68); }
.muted{ color: var(--muted); }

.kicker{
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:12px; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color: var(--violet-ink);
}
.on-dark .kicker, .convergence .kicker, .cta-final .kicker{ color: #C9D8FF; }
.kicker::before{
  content:''; width:18px; height:2px; border-radius:2px;
  background: var(--gradient);
}

/* ---------- Sections ---------- */
section{ position:relative; }
.section-pad{ padding-block: clamp(64px, 10vw, 128px); }
.section-dark{ background: var(--ink); }
.section-paper{ background: var(--paper); }

/* Dot-grid decoration — coins uniquement, jamais au centre (règle charte) */
.dot-grid{
  position:absolute; width:180px; height:180px; pointer-events:none;
  background-image: radial-gradient(currentColor 1.4px, transparent 1.4px);
  background-size: 18px 18px;
  opacity:.14;
}
.on-dark .dot-grid{ color:#fff; }
.section-paper .dot-grid, .section-white .dot-grid{ color: var(--violet); }

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.6rem;
  padding: .95rem 1.6rem; border-radius: 999px;
  font-weight:700; font-size:.95rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background: var(--gradient); color:#fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 26px 70px rgba(136,96,254,.34); }
.btn-primary:active{ transform: translateY(0); }
.btn-ghost-dark{
  border:1.5px solid rgba(255,255,255,.28); color:#fff; background: rgba(255,255,255,.04);
}
.btn-ghost-dark:hover{ background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.5); }
.btn-ghost-light{
  border:1.5px solid rgba(43,38,64,.16); color: var(--ink); background: transparent;
}
.btn-ghost-light:hover{ background: rgba(43,38,64,.05); border-color: rgba(43,38,64,.3); }
.btn-arrow{ transition: transform .3s var(--ease); }
.btn:hover .btn-arrow{ transform: translateX(4px); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 4px;
}

/* ---------- Hexagone signature ---------- */
.hex{
  --size: 76px;
  width: var(--size); height: calc(var(--size) * 1.1547);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.hex-grad{ background: var(--gradient); }
.hex-outline{
  background: var(--paper);
  position:relative;
}
.hex-outline::before{
  content:''; position:absolute; inset:2px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--white);
}
.hex-outline svg{ position:relative; z-index:1; }
.hex svg{ width:38%; height:38%; color:#fff; }
.hex-outline svg{ color: var(--violet); }

/* ---------- Header ---------- */
.site-header{
  position: fixed; inset-inline:0; top:0; z-index:100;
  padding-block: 18px;
  transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; }
.site-header.is-scrolled{
  padding-block: 10px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--shadow-sm);
  border-bottom-color: rgba(43,38,64,.06);
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:34px; width:auto; transition: filter .3s ease; }
.site-header:not(.is-scrolled) .brand img{ filter: brightness(0) invert(1); }
.brand-tag{
  font-size:10px; letter-spacing:.2em; text-transform:uppercase; font-weight:700;
  color: rgba(255,255,255,.75); white-space:nowrap; transition: color .35s ease;
}
.site-header.is-scrolled .brand-tag{ color: var(--muted); }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  padding:10px 16px; border-radius:999px; font-size:14px; font-weight:600;
  color: rgba(255,255,255,.85); transition: background .25s ease, color .25s ease;
}
.site-header.is-scrolled .main-nav a{ color: var(--ink); }
.main-nav a:hover{ background: rgba(255,255,255,.12); }
.site-header.is-scrolled .main-nav a:hover{ background: rgba(43,38,64,.06); }

.nav-cta{ display:flex; align-items:center; gap:10px; }
.menu-toggle{
  display:none; border:0; background:none; color:#fff; padding:8px;
  border-radius:10px;
}
.site-header.is-scrolled .menu-toggle{ color: var(--ink); }

.mobile-panel{
  position: fixed; inset: 0; z-index:99;
  background: var(--ink);
  display:flex; flex-direction:column; justify-content:center;
  padding: 32px;
  transform: translateY(-8px);
  opacity:0; visibility:hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.mobile-panel.is-open{ opacity:1; visibility:visible; transform:none; }
.mobile-panel a{
  color:#fff; font-family:'Manrope',sans-serif; font-weight:800; font-size: clamp(28px,8vw,40px);
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1);
}
.mobile-panel .btn{ margin-top:24px; align-self:flex-start; }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  background: var(--ink);
  color:#fff;
  min-height: 100svh;
  display:flex; align-items:center;
  padding-top: 96px;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute; inset:0;
  background:
    radial-gradient(900px 560px at 82% -8%, rgba(136,96,254,.35), transparent 60%),
    radial-gradient(700px 500px at -10% 100%, rgba(102,194,235,.22), transparent 60%);
  pointer-events:none;
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; gap:56px;
  grid-template-columns: 1.05fr .95fr;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 16px; border-radius:999px;
  background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14);
  font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:#E7E9FF;
}
.hero-eyebrow .pulse{
  width:7px; height:7px; border-radius:50%; background: var(--cyan);
  box-shadow:0 0 0 0 rgba(102,194,235,.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(102,194,235,.55);}
  70%{ box-shadow:0 0 0 10px rgba(102,194,235,0);}
  100%{ box-shadow:0 0 0 0 rgba(102,194,235,0);}
}
.hero h1{
  font-size: clamp(2.4rem, 5vw, 3.9rem);
  line-height:1.06;
  margin-top:22px;
  color:#fff;
}
.hero h1 .grad-text{
  background: var(--gradient-vivid);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p.lead{
  margin-top:22px; font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: rgba(255,255,255,.72); max-width: 46ch; line-height:1.65;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.hero-meta{
  display:flex; flex-wrap:wrap; gap: 28px; margin-top:52px;
  padding-top:28px; border-top:1px solid rgba(255,255,255,.12);
}
.hero-meta div{ font-size:13px; color: rgba(255,255,255,.55); }
.hero-meta strong{ display:block; color:#fff; font-family:'Manrope',sans-serif; font-size:15px; margin-bottom:2px; }

/* Hero visual — architecture système animée */
.hero-visual{ position:relative; }
.system-card{
  position:relative;
  background: rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: clamp(20px,3vw,32px);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}
.system-card-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.system-card-head h3{ color:#fff; font-size:16px; }
.system-card-head span{ font-size:11px; color: rgba(255,255,255,.45); letter-spacing:.06em; }
.system-nodes{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.system-node{
  position:relative;
  border:1px solid rgba(255,255,255,.1); border-radius:16px;
  padding:16px; background: rgba(255,255,255,.02);
  transition: border-color .3s ease, background .3s ease, transform .3s var(--ease);
}
.system-node:hover{ border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.05); transform:translateY(-2px); }
.system-node .dot{ width:8px; height:8px; border-radius:50%; background: var(--gradient); margin-bottom:10px; }
.system-node .label{ font-family:'Manrope',sans-serif; font-weight:700; font-size:14px; color:#fff; }
.system-node .desc{ font-size:12.5px; color: rgba(255,255,255,.5); margin-top:4px; line-height:1.4; }
.system-card-foot{
  margin-top:18px; padding-top:16px; border-top:1px dashed rgba(255,255,255,.12);
  font-size:11.5px; color: rgba(255,255,255,.42);
}
.pulse-line{ position:absolute; inset:0; pointer-events:none; overflow:visible; }

/* ---------- Bandeau logos ---------- */
.logo-strip{ border-top:1px solid rgba(43,38,64,.08); border-bottom:1px solid rgba(43,38,64,.08); }
.logo-strip-inner{ padding-block:36px; }
.logo-strip .eyebrow{
  text-align:center; font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color: var(--muted); font-weight:700; margin-bottom:26px;
}
.logo-track-wrap{ overflow:hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.logo-track{
  display:flex; align-items:center; gap:64px; width:max-content;
  animation: scroll-x 32s linear infinite;
}
.logo-track img{ height:30px; width:auto; object-fit:contain; filter: grayscale(1) opacity(.55); transition: filter .3s ease; }
.logo-track img:hover{ filter:grayscale(0) opacity(1); }
@keyframes scroll-x{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }
@media (prefers-reduced-motion: reduce){
  .logo-track{ animation:none; flex-wrap:wrap; justify-content:center; }
}

/* ---------- Section headers ---------- */
.section-head{ max-width: 720px; }
.section-head h2{ font-size: clamp(1.9rem, 3.4vw, 2.75rem); margin-top:14px; line-height:1.12; }
.section-head p{ margin-top:18px; font-size:1.05rem; color: var(--muted); line-height:1.65; }
.section-head.center{ margin-inline:auto; text-align:center; }

/* ---------- Manifeste / positionnement ---------- */
.manifesto{
  display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:start;
}
.manifesto-quote{
  font-family:'Manrope',sans-serif; font-weight:800; letter-spacing:-.01em;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height:1.32; color: var(--ink);
}
.manifesto-quote .accent{
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.manifesto-list{ display:grid; gap:20px; }
.manifesto-item{ display:flex; gap:16px; align-items:flex-start; padding-block:18px; border-top:1px solid rgba(43,38,64,.1); }
.manifesto-item:first-child{ border-top:none; padding-top:0; }
.manifesto-item .num{ font-family:'Manrope',sans-serif; font-weight:800; color: var(--violet-ink); font-size:14px; padding-top:2px; }
.manifesto-item h4{ font-size:16px; }
.manifesto-item p{ margin-top:6px; color: var(--muted); font-size:14.5px; line-height:1.6; }

/* ---------- Expertises ---------- */
.expertise-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:22px; margin-top:52px; }
.expertise-card{
  position:relative;
  background: var(--white);
  border:1px solid rgba(43,38,64,.08);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.expertise-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(136,96,254,.25); }
.expertise-card .hex{ --size:64px; margin-bottom:22px; }
.expertise-card h3{ font-size:19px; }
.expertise-card p{ margin-top:10px; color: var(--muted); font-size:14.5px; line-height:1.6; }
.expertise-card .tag-row{ display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; }
.mini-tag{
  font-size:11.5px; font-weight:600; padding:5px 10px; border-radius:999px;
  background: var(--paper); color: var(--muted); border:1px solid rgba(43,38,64,.06);
}

/* ---------- Convergence ---------- */
.convergence{
  background: var(--ink);
  color:#fff;
  border-radius: var(--radius-lg);
  padding: clamp(36px, 5vw, 72px);
  position:relative; overflow:hidden;
}
.convergence::before{
  content:''; position:absolute; inset:0; opacity:.5;
  background: radial-gradient(700px 420px at 15% 10%, rgba(136,96,254,.35), transparent 60%),
              radial-gradient(700px 420px at 90% 90%, rgba(102,194,235,.25), transparent 60%);
}
.convergence-grid{ position:relative; display:grid; grid-template-columns: .95fr 1.05fr; gap:56px; align-items:center; }
.convergence h2{ color:#fff; font-size: clamp(1.8rem,3vw,2.4rem); margin-top:14px; }
.convergence p{ color: rgba(255,255,255,.68); margin-top:16px; line-height:1.7; font-size:1.02rem; }
.converge-diagram{ position:relative; aspect-ratio:1/1; max-width:420px; margin-inline:auto; }

/* ---------- Méthode ---------- */
.method-track{ margin-top:60px; position:relative; }
.method-line{
  position:absolute; top:38px; left:0; right:0; height:2px;
  background: linear-gradient(90deg, rgba(43,38,64,.12), rgba(43,38,64,.12));
}
.method-line-fill{
  position:absolute; top:0; left:0; height:100%; width:0%;
  background: var(--gradient);
  transition: width 1.2s var(--ease);
}
.method-grid{ display:grid; grid-template-columns: repeat(5,1fr); gap:20px; position:relative; }
.method-step{ text-align:left; }
.method-step .hex{ --size:56px; margin-bottom:20px; position:relative; z-index:1; }
.method-step h4{ font-size:16px; }
.method-step p{ margin-top:8px; font-size:13.5px; color: var(--muted); line-height:1.55; }
.method-step .idx{ font-size:11px; font-weight:800; color: var(--muted); letter-spacing:.1em; margin-bottom:8px; display:block; }

/* ---------- Réalisations ---------- */
.project-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap:24px; margin-top:52px; }
.project-card{
  border-radius: var(--radius-md); overflow:hidden;
  background: var(--white); border:1px solid rgba(43,38,64,.08);
  transition: box-shadow .4s var(--ease), transform .4s var(--ease);
}
.project-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.project-media{ position:relative; aspect-ratio: 16/10; overflow:hidden; }
.project-media img{ width:100%; height:100%; object-fit:cover; transition: transform .7s var(--ease); }
.project-card:hover .project-media img{ transform: scale(1.05); }
.project-media::after{
  content:''; position:absolute; inset:0;
  background: linear-gradient(to top, rgba(43,38,64,.85) 0%, rgba(43,38,64,.15) 45%, transparent 70%);
}
.project-tags{ position:absolute; top:16px; left:16px; display:flex; gap:8px; z-index:2; }
.tag-glass{
  font-size:11.5px; font-weight:700; padding:6px 12px; border-radius:999px;
  background: rgba(255,255,255,.16); color:#fff; border:1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(6px);
}
.tag-year{
  position:absolute; top:16px; right:16px; z-index:2;
  font-size:11.5px; font-weight:800; padding:6px 12px; border-radius:999px;
  background: var(--gradient); color:#fff;
}
.project-title{ position:absolute; bottom:16px; left:20px; right:20px; z-index:2; }
.project-title h3{ color:#fff; font-size:19px; }
.project-title p{ color: rgba(255,255,255,.78); font-size:13px; margin-top:4px; }
.project-body{ padding:22px 24px 24px; }
.project-body > p{ color: var(--muted); font-size:14px; line-height:1.6; }
.project-foot{
  display:flex; align-items:center; justify-content:space-between;
  margin-top:16px; padding-top:16px; border-top:1px solid rgba(43,38,64,.08);
  font-size:12.5px;
}
.project-foot .loc{ color: var(--muted); font-weight:600; }
.project-foot a{ color: var(--violet-ink); font-weight:700; }
.project-foot a:hover{ color: var(--ink); }

/* ---------- Engagements ---------- */
.commit-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:22px; margin-top:52px; }
.commit-card{ padding-inline:4px; }
.commit-card .hex{ --size:52px; margin-bottom:20px; }
.commit-card h3{ font-size:17px; }
.commit-card p{ margin-top:8px; color: var(--muted); font-size:14px; line-height:1.6; }

/* ---------- Humain ---------- */
.human-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:64px; align-items:center; }
.human-card{
  background: var(--paper); border-radius: var(--radius-lg); padding: clamp(28px,4vw,44px);
  position:relative; overflow:hidden;
}
.human-card::before{
  content:''; position:absolute; width:220px; height:220px; border-radius:50%;
  background: var(--gradient-soft); top:-80px; right:-80px; filter: blur(10px);
}
.human-card p{ position:relative; font-size: clamp(1.1rem,1.8vw,1.35rem); line-height:1.6; font-family:'Manrope',sans-serif; font-weight:700; color: var(--ink); }
.human-badges{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; position:relative; }
.human-badges .mini-tag{ background:#fff; }

/* ---------- CTA final ---------- */
.cta-final{
  background: var(--ink); color:#fff; text-align:center;
  border-radius: var(--radius-lg); padding: clamp(48px,8vw,96px) clamp(20px,6vw,48px);
  position:relative; overflow:hidden;
}
.cta-final::before{
  content:''; position:absolute; inset:0;
  background: radial-gradient(900px 500px at 50% -20%, rgba(136,96,254,.4), transparent 60%);
}
.cta-final h2{ color:#fff; font-size: clamp(2rem,4vw,3rem); position:relative; max-width:18ch; margin-inline:auto; line-height:1.15; }
.cta-final p{ color: rgba(255,255,255,.68); margin-top:18px; font-size:1.05rem; position:relative; }
.cta-final .hero-actions{ justify-content:center; position:relative; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap:32px; align-items:start; }
.form-card{
  background: var(--white); border:1px solid rgba(43,38,64,.08); border-radius: var(--radius-lg);
  padding: clamp(24px,3vw,36px); box-shadow: var(--shadow-sm);
}
.field{ display:grid; gap:8px; margin-bottom:18px; }
.field label{ font-size:13px; font-weight:700; color: var(--ink); }
.field input, .field textarea{
  border:1.5px solid rgba(43,38,64,.14); border-radius: var(--radius-sm);
  padding: 13px 16px; font: inherit; color: var(--ink); background: var(--paper);
  transition: border-color .25s ease, background .25s ease;
  resize: vertical;
}
.field input:focus, .field textarea:focus{ border-color: var(--violet); background:#fff; outline:none; }
.field input::placeholder, .field textarea::placeholder{ color: rgba(110,106,134,.6); }
.form-foot{ display:flex; flex-wrap:wrap; align-items:center; gap:16px; margin-top:6px; }
.form-note{ font-size:12.5px; color: var(--muted); margin-top:16px; line-height:1.6; }

.info-card{
  background: var(--ink); color:#fff; border-radius: var(--radius-lg);
  padding: clamp(24px,3vw,36px);
}
.info-card h3{ color:#fff; font-size:19px; }
.info-list{ margin-top:22px; display:grid; gap:18px; }
.info-list li{ display:flex; gap:14px; align-items:flex-start; }
.info-list .hex{ --size:40px; flex-shrink:0; }
.info-list .hex svg{ width:44%; height:44%; }
.info-list strong{ display:block; font-size:14px; margin-bottom:2px; }
.info-list span, .info-list a{ font-size:13.5px; color: rgba(255,255,255,.68); }
.info-list a:hover{ color:#fff; }
.map-frame{ margin-top:22px; border-radius: var(--radius-sm); overflow:hidden; border:1px solid rgba(255,255,255,.14); }
.map-frame iframe{ width:100%; height:200px; border:0; display:block; filter: grayscale(.2) contrast(1.05); }

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color:#fff; padding-top: clamp(56px,8vw,88px); }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px; }
.footer-brand img{ height:28px; width:auto; filter: brightness(0) invert(1); }
.footer-brand p{ margin-top:18px; color: rgba(255,255,255,.6); font-size:14px; line-height:1.6; max-width:32ch; }
.footer-col h4{ font-size:13px; letter-spacing:.06em; text-transform:uppercase; color: rgba(255,255,255,.5); font-weight:700; }
.footer-col ul{ margin-top:18px; display:grid; gap:12px; }
.footer-col a{ font-size:14.5px; color: rgba(255,255,255,.78); transition: color .2s ease; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  margin-top: 56px; padding-block:24px; border-top:1px solid rgba(255,255,255,.1);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:14px;
  font-size:12.5px; color: rgba(255,255,255,.5);
}
.footer-bottom .links{ display:flex; gap:20px; flex-wrap:wrap; }
.footer-bottom a:hover{ color:#fff; }
.back-to-top{ display:inline-flex; align-items:center; gap:6px; }

/* ---------- Reveal on scroll ---------- */
[data-reveal]{
  opacity:0; transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-visible{ opacity:1; transform:none; }
[data-reveal-group] [data-reveal]:nth-child(1){ transition-delay:.05s; }
[data-reveal-group] [data-reveal]:nth-child(2){ transition-delay:.14s; }
[data-reveal-group] [data-reveal]:nth-child(3){ transition-delay:.23s; }
[data-reveal-group] [data-reveal]:nth-child(4){ transition-delay:.32s; }
[data-reveal-group] [data-reveal]:nth-child(5){ transition-delay:.41s; }
[data-reveal-group] [data-reveal]:nth-child(6){ transition-delay:.5s; }
@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity:1; transform:none; transition:none; }
}

/* ---------- sr-only ---------- */
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.skip-link{
  position:fixed; top:-60px; left:12px; z-index:1000;
  background:#fff; color:var(--ink); padding:12px 18px; border-radius:10px;
  font-weight:700; font-size:14px; box-shadow: var(--shadow-md);
  transition: top .25s ease;
}
.skip-link:focus{ top:12px; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px){
  .brand-tag{ display:none; }
}

@media (max-width: 1024px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; max-width:520px; margin-inline:auto; width:100%; }
  .manifesto{ grid-template-columns:1fr; gap:36px; }
  .expertise-grid{ grid-template-columns: repeat(2,1fr); }
  .convergence-grid{ grid-template-columns:1fr; }
  .converge-diagram{ order:-1; }
  .method-grid{ grid-template-columns: repeat(3,1fr); row-gap:36px; }
  .method-line{ display:none; }
  .commit-grid{ grid-template-columns: repeat(2,1fr); }
  .human-grid{ grid-template-columns:1fr; gap:36px; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; row-gap:36px; }
}

@media (max-width: 860px){
  .main-nav, .nav-cta .btn-ghost-dark, .nav-cta .btn-primary{ display:none; }
  .menu-toggle{ display:inline-flex; }
}

@media (max-width: 640px){
  .expertise-grid{ grid-template-columns:1fr; }
  .project-grid{ grid-template-columns:1fr; }
  .method-grid{ grid-template-columns: 1fr 1fr; }
  .commit-grid{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .logo-track img{ height:24px; }
  .hero-meta{ gap:20px; }
}

@media (max-width: 480px){
  .method-grid{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   CARRIÈRES
   ========================================================================== */

.page-hero{
  position:relative; background: var(--ink); color:#fff; overflow:hidden;
  padding-top: 152px; padding-bottom: 72px;
}
.page-hero::before{
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(800px 480px at 85% -10%, rgba(136,96,254,.32), transparent 60%),
    radial-gradient(600px 420px at -10% 100%, rgba(102,194,235,.2), transparent 60%);
  pointer-events:none;
}
.page-hero .container{ position:relative; max-width: 860px; }
.page-hero h1{ font-size: clamp(2.1rem, 4vw, 3.2rem); color:#fff; margin-top:18px; line-height:1.1; }
.page-hero p.lead{ margin-top:18px; color: rgba(255,255,255,.72); font-size:1.1rem; max-width:56ch; line-height:1.65; }

.job-chip-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.job-chip{
  display:inline-flex; align-items:center; gap:7px;
  font-size:13px; font-weight:600; padding:8px 14px; border-radius:999px;
  background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14); color:#fff;
}
.job-chip svg{ width:15px; height:15px; opacity:.8; flex-shrink:0; }

/* Carte annonce (liste des postes) */
.job-listing{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:24px;
  background: var(--white); border:1px solid rgba(43,38,64,.08); border-radius: var(--radius-lg);
  padding: 28px 32px; box-shadow: var(--shadow-sm);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease), border-color .3s var(--ease);
}
.job-listing:hover{ box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(136,96,254,.22); }
.job-listing-info h3{ font-size:20px; }
.job-listing-info .job-chip-row{ margin-top:12px; }
.job-listing-info .job-chip{
  background: var(--paper); color: var(--muted); border-color: rgba(43,38,64,.08); font-size:12.5px; padding:6px 12px;
}

/* Fiche de poste */
.job-detail-grid{ display:grid; grid-template-columns: 1.5fr 1fr; gap:48px; align-items:start; margin-top:52px; }
.job-block{ margin-bottom:40px; }
.job-block:last-child{ margin-bottom:0; }
.job-block h3{ font-size:20px; display:flex; align-items:center; gap:10px; }
.job-block h3 .dot{ width:8px; height:8px; border-radius:50%; background: var(--gradient); flex-shrink:0; }
.job-list{ margin-top:18px; display:grid; gap:12px; }
.job-list li{
  display:flex; gap:12px; align-items:flex-start; color: var(--muted); font-size:15px; line-height:1.55;
}
.job-list li svg{ width:18px; height:18px; margin-top:2px; color: var(--violet-ink); flex-shrink:0; }

.job-sidebar{
  position:sticky; top:100px; background: var(--paper); border-radius: var(--radius-lg);
  padding: 28px; border:1px solid rgba(43,38,64,.06);
}
.job-sidebar h4{ font-size:13px; text-transform:uppercase; letter-spacing:.08em; color: var(--muted); }
.job-sidebar dl{ margin-top:16px; display:grid; gap:14px; }
.job-sidebar dt{ font-size:12.5px; color: var(--muted); }
.job-sidebar dd{ margin:2px 0 0; font-weight:700; color: var(--ink); font-size:15px; }
.job-sidebar .btn-primary{ width:100%; justify-content:center; margin-top:22px; }

/* Avantages */
.benefit-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:20px; margin-top:20px; }
.benefit-item{
  background: var(--paper); border-radius: var(--radius-md); padding:22px;
  border:1px solid rgba(43,38,64,.06);
}
.benefit-item .hex{ --size:44px; margin-bottom:14px; }
.benefit-item h4{ font-size:15px; }
.benefit-item p{ margin-top:6px; font-size:13.5px; color: var(--muted); line-height:1.55; }

/* Formulaire de candidature */
.apply-card{
  background: var(--white); border:1px solid rgba(43,38,64,.08); border-radius: var(--radius-lg);
  padding: clamp(24px,3vw,40px); box-shadow: var(--shadow-sm);
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field-file{
  position:relative; border:1.5px dashed rgba(43,38,64,.2); border-radius: var(--radius-sm);
  padding: 20px; background: var(--paper); text-align:center; transition: border-color .25s ease, background .25s ease;
}
.field-file:hover, .field-file:focus-within{ border-color: var(--violet); background:#fff; }
.field-file input[type="file"]{
  position:absolute; inset:0; width:100%; height:100%; opacity:0; cursor:pointer;
}
.field-file .file-icon{ color: var(--violet-ink); margin-bottom:8px; }
.field-file .file-label{ font-weight:700; font-size:14px; color: var(--ink); }
.field-file .file-hint{ font-size:12.5px; color: var(--muted); margin-top:4px; }
.field-file .file-name{ font-size:12.5px; color: var(--violet-ink); font-weight:600; margin-top:6px; display:none; }
.field-file.has-file .file-name{ display:block; }

@media (max-width: 900px){
  .job-detail-grid{ grid-template-columns:1fr; }
  .job-sidebar{ position:static; }
  .benefit-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  .field-row{ grid-template-columns:1fr; }
  .benefit-grid{ grid-template-columns: 1fr; }
  .job-listing{ flex-direction:column; align-items:flex-start; }
  .job-listing .btn-primary{ width:100%; justify-content:center; }
}