/* ============================================================
   BIFA INSTITUTE — Site officiel & Landing "5 ans"
   Charte : Navy profond #0A2540/#081C33 · Bleu clair #29ABE2
   Typo : Source Serif 4 (display) · Inter (texte & UI)
   ============================================================ */

:root{
  --navy-950:#061527;
  --navy-900:#081C33;
  --navy-800:#0A2540;
  --navy-700:#0E2E52;
  --navy-panel:#112F52;
  --navy-card:#132F55;
  --blue:#29ABE2;
  --blue-deep:#198ECE;
  --blue-soft:#7CC7EF;
  --ink:#12263F;
  --muted:#5B7086;
  --muted-light:#9DB2C8;
  --paper:#F5F7FA;
  --white:#FFFFFF;
  --line-dark:rgba(255,255,255,.10);
  --line-light:#E3E9F0;
  --shadow-lg:0 30px 60px -20px rgba(8,28,51,.35);
  --shadow-md:0 16px 40px -16px rgba(8,28,51,.22);
  --radius:14px;
  --ease:cubic-bezier(.22,.61,.2,1);
  --font-display:"Source Serif 4", Georgia, "Times New Roman", serif;
  --font-body:"Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--blue);color:#fff}

.container{width:min(1160px,92%);margin-inline:auto}

/* ---------- Typographie ---------- */
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:11px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;
  color:var(--blue);margin-bottom:22px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--blue)}
h1,h2,h3,.serif{font-family:var(--font-display)}
h1{font-size:clamp(2.4rem,5.4vw,4.1rem);line-height:1.08;font-weight:600;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.15;font-weight:600;letter-spacing:-.01em}
h3{font-size:1.28rem;font-weight:600;line-height:1.3}
.accent-italic{color:var(--blue);font-style:italic}
.lead{font-size:1.06rem;color:var(--muted);max-width:56ch}
.on-dark .lead{color:var(--muted-light)}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:6px;border:1px solid transparent;
  font-weight:600;font-size:.92rem;letter-spacing:.02em;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s, color .35s, border-color .35s;
  position:relative;overflow:hidden;
}
.btn .arrow{transition:transform .35s var(--ease)}
.btn:hover .arrow{transform:translateX(5px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 30px -10px rgba(41,171,226,.55)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px rgba(41,171,226,.65);background:var(--blue-deep)}
.btn-ghost-dark{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn-ghost-dark:hover{border-color:#fff;transform:translateY(-3px)}
.btn-ghost-light{border-color:#C5D2DE;color:var(--ink);background:#fff}
.btn-ghost-light:hover{border-color:var(--navy-800);transform:translateY(-3px)}
.btn-lg{padding:19px 44px;font-size:1rem}
.btn::after{ /* éclat lumineux au survol */
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .6s var(--ease);
}
.btn:hover::after{left:130%}

/* ---------- Barre de navigation ---------- */
.navbar{
  position:fixed;inset:0 0 auto 0;z-index:1000;
  background:rgba(8,28,51,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .4s,border-color .4s,box-shadow .4s;
}
.navbar.scrolled{background:rgba(8,28,51,.92);border-color:var(--line-dark);box-shadow:0 10px 30px -20px rgba(0,0,0,.6)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:baseline;gap:8px;color:#fff}
.brand img{height:40px;width:auto}
.brand-word{font-weight:800;font-size:1.25rem;letter-spacing:.02em}
.brand-word::after{content:"";display:inline-block;width:7px;height:7px;background:var(--blue);margin-left:6px}
.brand-sub{font-size:.62rem;letter-spacing:.42em;font-weight:500;color:#C9D6E4}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:#D7E2EE;font-size:.9rem;font-weight:500;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--blue);transition:width .35s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover{color:#fff}
.nav-links a.nav-5ans{
  color:#fff;font-weight:700;
  background:linear-gradient(135deg,var(--blue-deep),var(--blue));
  padding:7px 16px;border-radius:20px;
  animation:pulse5 3s infinite;
}
.nav-links a.nav-5ans::after{display:none}
@keyframes pulse5{
  0%,100%{box-shadow:0 0 0 0 rgba(41,171,226,.45)}
  50%{box-shadow:0 0 0 9px rgba(41,171,226,0)}
}
.nav-cta{margin-left:6px}
.burger{display:none;background:none;border:0;width:42px;height:42px;position:relative;z-index:1002}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px auto;transition:.35s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Bandeau info fixe (page 5 ans) ---------- */
.infobar{
  position:fixed;left:0;right:0;bottom:0;z-index:990;
  background:linear-gradient(90deg,var(--blue-deep),var(--blue));
  color:#fff;font-size:.88rem;font-weight:600;
  display:flex;align-items:center;justify-content:center;gap:26px;
  padding:11px 16px;flex-wrap:wrap;
  transform:translateY(110%);transition:transform .6s var(--ease);
  box-shadow:0 -10px 30px -12px rgba(8,28,51,.4);
}
.infobar.visible{transform:translateY(0)}
.infobar a{background:#fff;color:var(--navy-800);padding:7px 18px;border-radius:5px;font-weight:700;transition:transform .3s}
.infobar a:hover{transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;
  background:
    radial-gradient(1100px 600px at 85% -10%,rgba(41,171,226,.16),transparent 60%),
    radial-gradient(800px 500px at -10% 110%,rgba(25,142,206,.12),transparent 55%),
    linear-gradient(160deg,var(--navy-900),var(--navy-950) 70%);
  color:#fff;display:flex;flex-direction:column;justify-content:center;
  padding:150px 0 0;overflow:hidden;
}
.hero-grid-lines{position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);
  background-size:90px 90px;pointer-events:none}
.route-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.route-path{fill:none;stroke:var(--blue);stroke-width:2.4;opacity:.75;
  stroke-dasharray:3000;stroke-dashoffset:3000;
  filter:drop-shadow(0 0 8px rgba(41,171,226,.6));
  animation:drawRoute 4.5s var(--ease) .4s forwards}
@keyframes drawRoute{to{stroke-dashoffset:0}}
.route-dot{fill:var(--blue)}
.route-dot.pulse{animation:dotPulse 2.6s infinite}
@keyframes dotPulse{0%,100%{r:6;opacity:1}50%{r:10;opacity:.55}}
.route-ring{fill:none;stroke:var(--blue);stroke-width:2;opacity:0;animation:ringOut 2.6s infinite}
@keyframes ringOut{0%{r:6;opacity:.8}100%{r:24;opacity:0}}
.hero-content{position:relative;z-index:2;max-width:760px}
.hero h1{margin-bottom:22px}
.hero .tagline{font-family:var(--font-display);font-style:italic;color:var(--blue-soft);margin-bottom:18px;font-size:1.05rem}
.hero .lead{margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:60px}
.trust-strip{border-top:1px solid var(--line-dark);padding-top:26px;max-width:760px}
.trust-strip .label{font-size:10px;letter-spacing:.3em;color:var(--muted-light);text-transform:uppercase;font-weight:600;margin-bottom:14px}
.trust-strip ul{display:flex;flex-wrap:wrap;gap:8px 0;font-family:var(--font-display);color:#DCE6F1;font-size:.95rem}
.trust-strip li:not(:last-child)::after{content:"·";margin:0 16px;color:var(--blue)}

/* Révélation séquencée du hero */
.reveal-up{opacity:0;transform:translateY(34px);animation:revealUp 1s var(--ease) forwards}
@keyframes revealUp{to{opacity:1;transform:none}}
.d1{animation-delay:.15s}.d2{animation-delay:.3s}.d3{animation-delay:.45s}
.d4{animation-delay:.6s}.d5{animation-delay:.78s}.d6{animation-delay:.95s}

/* ---------- Bandeau chiffres ---------- */
.stats-band{background:var(--navy-800);color:#fff;position:relative;z-index:3}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:44px 34px;border-left:1px solid var(--line-dark);transition:background .4s}
.stat:first-child{border-left:0}
.stat:hover{background:rgba(41,171,226,.07)}
.stat .num{font-family:var(--font-display);font-size:2.3rem;color:var(--blue);font-weight:600;line-height:1}
.stat .cap{font-size:.83rem;color:var(--muted-light);margin-top:10px;line-height:1.45}

/* ---------- Sections génériques ---------- */
.section{padding:110px 0}
.section.on-dark{background:linear-gradient(180deg,var(--navy-800),var(--navy-900));color:#fff}
.section.on-darker{background:var(--navy-950);color:#fff}
.section-head{max-width:720px;margin-bottom:60px}
.section-head h2{margin-bottom:18px}

/* Révélation au scroll */
.sr{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.sr.in{opacity:1;transform:none}
.sr-delay-1{transition-delay:.12s}.sr-delay-2{transition-delay:.24s}
.sr-delay-3{transition-delay:.36s}.sr-delay-4{transition-delay:.48s}

/* ---------- Deux métiers ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.metier-card{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--radius);
  padding:46px 42px;position:relative;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
.metier-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.metier-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--blue-deep),var(--blue));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.metier-card:hover::before{transform:scaleX(1)}
.metier-tag{font-size:10.5px;letter-spacing:.26em;color:var(--blue);font-weight:700;text-transform:uppercase;margin-bottom:16px}
.metier-card h3{font-size:1.45rem;margin-bottom:14px}
.metier-card p{color:var(--muted);margin-bottom:20px}
.metier-card ul{color:var(--ink);font-size:.93rem}
.metier-card ul li{padding:9px 0;border-bottom:1px dashed var(--line-light)}
.metier-card ul li::before{content:"—";color:var(--blue);margin-right:10px}
.metier-card .btn{margin-top:26px}

/* ---------- Catalogue ---------- */
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cat-card{background:#fff;border:1px solid var(--line-light);border-radius:12px;padding:32px 30px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue)}
.cat-card .cat-tag{font-size:10px;letter-spacing:.24em;color:var(--blue-deep);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.cat-card h3{font-size:1.12rem;margin-bottom:14px}
.cat-card li{font-size:.88rem;color:var(--muted);padding:6.5px 0;border-bottom:1px dotted var(--line-light)}
.cat-card li:last-child{border:0}
.catalog-actions{display:flex;gap:16px;margin-top:44px;flex-wrap:wrap}

/* ---------- BIFA Exam ---------- */
.exam-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.exam-feats{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0}
.exam-feat{background:var(--navy-panel);border:1px solid var(--line-dark);border-radius:10px;padding:20px 22px;transition:transform .4s var(--ease),border-color .4s}
.exam-feat:hover{transform:translateY(-4px);border-color:var(--blue)}
.exam-feat b{display:block;font-size:.95rem;margin-bottom:5px}
.exam-feat span{font-size:.82rem;color:var(--muted-light)}
.exam-mock{background:var(--navy-panel);border:1px solid var(--line-dark);border-radius:16px;padding:26px;box-shadow:var(--shadow-lg)}
.exam-mock-inner{background:var(--navy-800);border:1px solid var(--line-dark);border-radius:12px;padding:26px}
.exam-mock .meta{display:flex;justify-content:space-between;font-size:.75rem;letter-spacing:.14em;color:var(--muted-light);margin-bottom:14px}
.exam-mock .bar{height:5px;background:rgba(255,255,255,.12);border-radius:4px;overflow:hidden;margin-bottom:22px}
.exam-mock .bar i{display:block;height:100%;width:0;background:var(--blue);border-radius:4px;transition:width 1.4s var(--ease) .3s}
.exam-mock.in .bar i{width:24%}
.exam-mock .q{font-family:var(--font-display);font-size:1.02rem;margin-bottom:18px}
.exam-mock .opt{border:1px solid var(--line-dark);border-radius:8px;padding:12px 16px;font-size:.88rem;margin-bottom:10px;color:#D8E3EF;transition:border-color .3s,background .3s}
.exam-mock .opt.good{border-color:var(--blue);background:rgba(41,171,226,.1);color:#fff}
.exam-mock .opt:hover{border-color:var(--blue-soft)}

/* ---------- Consulting ---------- */
.consult-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.consult-card{background:#fff;border:1px solid var(--line-light);border-radius:12px;padding:34px 30px;transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.consult-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.consult-card .roman{font-family:var(--font-display);font-style:italic;color:var(--blue);margin-bottom:10px}
.consult-card h3{font-size:1.08rem;margin-bottom:12px}
.consult-card p{font-size:.88rem;color:var(--muted);margin-bottom:16px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{font-size:.72rem;font-weight:600;border:1px solid var(--line-light);border-radius:20px;padding:5px 13px;color:var(--navy-700);transition:background .3s,color .3s,border-color .3s}
.consult-card:hover .pill{border-color:var(--blue)}

/* ---------- Entreprises ---------- */
.entreprise-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.steps{counter-reset:step}
.step{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line-dark)}
.step .n{font-family:var(--font-display);color:var(--blue);font-size:1.15rem;min-width:38px}
.step b{display:block;margin-bottom:4px}
.step span{font-size:.88rem;color:var(--muted-light)}
.quote-card{background:var(--navy-panel);border:1px solid var(--line-dark);border-left:3px solid var(--blue);border-radius:12px;padding:36px;font-family:var(--font-display);font-style:italic;font-size:1.12rem;line-height:1.6}
.quote-card .who{font-family:var(--font-body);font-style:normal;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-light);margin-top:20px}

/* ---------- Réseau ---------- */
.network-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.net-card{background:var(--navy-panel);border:1px solid var(--line-dark);border-radius:var(--radius);padding:42px;transition:transform .5s var(--ease),border-color .5s}
.net-card:hover{transform:translateY(-6px);border-color:var(--blue)}
.net-card .tag{font-size:10.5px;letter-spacing:.26em;color:var(--blue);font-weight:700;text-transform:uppercase;margin-bottom:14px}
.net-card h3{font-size:1.35rem;margin-bottom:12px}
.net-card p{color:var(--muted-light);font-size:.92rem;margin-bottom:18px}
.net-card li{padding:9px 0;border-bottom:1px solid var(--line-dark);font-size:.9rem}
.net-card li::before{content:"✓";color:var(--blue);margin-right:12px;font-weight:700}
.net-card .btn{margin-top:26px}

/* ---------- Références ---------- */
.refs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ref{background:#fff;border:1px solid var(--line-light);border-radius:10px;padding:22px 20px;transition:transform .4s var(--ease),box-shadow .4s,border-color .4s}
.ref:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--blue)}
.ref b{font-family:var(--font-display);display:block;font-size:.98rem;margin-bottom:5px}
.ref span{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.refs-note{font-size:.85rem;color:var(--muted);margin-top:26px;font-style:italic}
.partners{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.partner{border:1px solid var(--line-light);background:#fff;border-radius:8px;padding:12px 22px;font-weight:600;font-size:.9rem;display:flex;align-items:center;gap:10px;transition:border-color .3s,transform .3s}
.partner::before{content:"";width:7px;height:7px;background:var(--blue)}
.partner:hover{border-color:var(--blue);transform:translateY(-3px)}

/* ---------- Médias ---------- */
.media-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:210px;gap:18px}
.media-tile{position:relative;border-radius:14px;overflow:hidden;
  background:linear-gradient(145deg,var(--navy-700),var(--navy-900));
  border:1px solid var(--line-dark);display:flex;align-items:flex-end;padding:24px;
  transition:transform .5s var(--ease)}
.media-tile:hover{transform:scale(1.02)}
.media-tile.big{grid-row:span 2}
.media-tile .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;
  box-shadow:0 0 0 0 rgba(41,171,226,.5);animation:pulse5 2.6s infinite}
.media-tile .icon{position:absolute;top:18px;left:18px;width:36px;height:36px;border:1px solid rgba(255,255,255,.35);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;color:#CFE4F5}
.media-tile b{display:block;font-family:var(--font-display);font-weight:600}
.media-tile span{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-light)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.news-card{background:#fff;color:var(--ink);border-radius:12px;overflow:hidden;border:1px solid var(--line-light);transition:transform .45s var(--ease),box-shadow .45s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card .thumb{height:120px;background:linear-gradient(135deg,var(--navy-800),var(--navy-950));display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-style:italic;color:var(--blue-soft)}
.news-card .body{padding:24px}
.news-card .date{font-size:.68rem;letter-spacing:.2em;color:var(--blue-deep);font-weight:700;text-transform:uppercase;margin-bottom:8px}
.news-card b{font-family:var(--font-display);display:block;margin-bottom:8px;font-size:1.02rem}
.news-card p{font-size:.85rem;color:var(--muted)}

/* ---------- Réseaux sociaux ---------- */
.social-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.soc-card{background:var(--navy-panel);border:1px solid var(--line-dark);border-radius:12px;padding:30px;transition:transform .45s var(--ease),border-color .45s}
.soc-card:hover{transform:translateY(-6px);border-color:var(--blue)}
.soc-card .ic{width:42px;height:42px;border-radius:50%;background:rgba(41,171,226,.15);color:var(--blue-soft);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:16px}
.soc-card b{display:block;font-family:var(--font-display);margin-bottom:6px}
.soc-card p{font-size:.8rem;color:var(--muted-light);margin-bottom:14px}
.soc-card a{color:var(--blue);font-size:.85rem;font-weight:700}

/* ---------- Impact ---------- */
.impact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}

/* ---------- CTA final ---------- */
.final-cta{background:
  radial-gradient(900px 500px at 50% -20%,rgba(41,171,226,.2),transparent 60%),
  var(--navy-950);
  color:#fff;text-align:center;padding:130px 0}
.final-cta h2{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:20px}
.final-cta .lead{margin:0 auto 40px}
.final-cta .actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
footer{background:var(--navy-950);color:#B9C9DA;padding:80px 0 34px;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;margin-bottom:56px}
.foot-brand img{height:52px;margin-bottom:18px}
.foot-brand .motto{font-family:var(--font-display);font-style:italic;color:#DCE7F2;margin-bottom:16px}
.foot-brand p{font-size:.85rem;line-height:1.8}
footer h4{color:#fff;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;margin-bottom:18px}
footer li{margin-bottom:10px}
footer li a{font-size:.88rem;transition:color .3s,padding-left .3s}
footer li a:hover{color:var(--blue);padding-left:6px}
.foot-bottom{border-top:1px solid var(--line-dark);padding-top:28px;font-size:.78rem;color:#7E93A9;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ============================================================
   LANDING PAGE — 5 ANS / 1000 ITINÉRAIRES RECALCULÉS
   ============================================================ */

.hero-5ans{
  min-height:100vh;display:flex;align-items:center;text-align:center;
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1200px 700px at 50% -20%,rgba(41,171,226,.22),transparent 65%),
    linear-gradient(175deg,var(--navy-900) 0%,var(--navy-950) 75%);
  padding:150px 0 110px;
}
.hero-5ans .badge-anniv{
  display:inline-flex;align-items:center;gap:12px;
  border:1px solid rgba(41,171,226,.5);border-radius:40px;
  padding:9px 24px;font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;font-weight:700;color:var(--blue-soft);
  margin-bottom:34px;background:rgba(41,171,226,.08);backdrop-filter:blur(6px);
}
.hero-5ans h1{font-size:clamp(2.6rem,6.5vw,5rem);margin-bottom:24px}
.hero-5ans h1 .thousand{color:var(--blue)}
.hero-5ans .sub{font-family:var(--font-display);font-size:clamp(1.1rem,2.2vw,1.5rem);color:#DCE7F2;max-width:760px;margin:0 auto 14px;line-height:1.5}
.hero-5ans .sub2{color:var(--muted-light);max-width:660px;margin:0 auto 44px;font-size:1rem}
.event-card{
  display:inline-block;background:rgba(17,47,82,.65);backdrop-filter:blur(10px);
  border:1px solid var(--line-dark);border-radius:18px;padding:36px 48px;margin-bottom:36px;
  box-shadow:var(--shadow-lg);
}
.event-card .ev-title{font-family:var(--font-display);font-size:1.35rem;margin-bottom:6px}
.event-card .ev-sub{color:var(--blue-soft);font-weight:600;margin-bottom:20px;font-size:.95rem}
.event-meta{display:flex;gap:34px;justify-content:center;flex-wrap:wrap;font-size:.92rem;color:#D7E2EE}
.event-meta span{display:flex;align-items:center;gap:9px}
.hero-5ans .note{font-size:.8rem;color:var(--muted-light);letter-spacing:.08em;margin-top:18px}

/* Compte à rebours */
.countdown{display:flex;gap:18px;justify-content:center;margin:38px 0 8px;flex-wrap:wrap}
.cd-unit{background:rgba(17,47,82,.7);border:1px solid var(--line-dark);border-radius:12px;padding:18px 10px;min-width:92px}
.cd-unit .val{font-family:var(--font-display);font-size:2.2rem;font-weight:600;color:var(--blue);line-height:1}
.cd-unit .lab{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-light);margin-top:8px}

/* Bandeau chiffres 5 ans */
.band-5{background:linear-gradient(90deg,var(--navy-800),var(--navy-700));color:#fff;padding:80px 0}
.band-5 .depuis{text-align:center;font-family:var(--font-display);font-style:italic;color:var(--blue-soft);margin-bottom:44px;font-size:1.25rem}
.band-5 .stats-grid{grid-template-columns:repeat(5,1fr)}
.band-5 .stat{text-align:center;border-left:1px solid var(--line-dark);padding:10px 18px}
.band-5 .num{font-size:2.6rem}

/* Concept */
.concept-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.concept-list{font-family:var(--font-display);font-size:1.18rem;line-height:2.1;color:var(--navy-800);margin:26px 0;border-left:3px solid var(--blue);padding-left:26px}
.concept-map{position:relative;border-radius:18px;overflow:hidden;background:linear-gradient(150deg,#E9EFF5,#D8E4EE);min-height:430px;border:1px solid var(--line-light);box-shadow:var(--shadow-md)}
.concept-map svg{position:absolute;inset:0;width:100%;height:100%}
.map-street{stroke:#C3D2DF;stroke-width:1.6;fill:none}
.map-route{stroke:var(--blue-deep);stroke-width:4;fill:none;stroke-linecap:round;
  stroke-dasharray:1400;stroke-dashoffset:1400;transition:stroke-dashoffset 3.2s var(--ease)}
.concept-map.in .map-route{stroke-dashoffset:0}
.map-pin{fill:var(--blue-deep)}

/* Pourquoi participer */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{background:var(--navy-panel);border:1px solid var(--line-dark);border-radius:14px;padding:36px 28px;transition:transform .5s var(--ease),border-color .5s,background .5s}
.why-card:hover{transform:translateY(-8px);border-color:var(--blue);background:var(--navy-700)}
.why-card .emoji{font-size:1.9rem;margin-bottom:18px;display:block}
.why-card h3{font-size:1.08rem;margin-bottom:10px}
.why-card p{font-size:.87rem;color:var(--muted-light)}

/* Programme / timeline */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:44px}
.timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(var(--blue),rgba(41,171,226,.15))}
.tl-item{position:relative;padding:0 0 42px}
.tl-item::before{content:"";position:absolute;left:-40px;top:5px;width:13px;height:13px;border-radius:50%;
  background:var(--navy-800);border:3px solid var(--blue);transition:transform .4s var(--ease),box-shadow .4s}
.tl-item:hover::before{transform:scale(1.35);box-shadow:0 0 0 7px rgba(41,171,226,.15)}
.tl-item .time{font-family:var(--font-display);color:var(--blue);font-size:1.3rem;font-weight:600}
.tl-item b{display:block;margin-top:4px;font-size:1.02rem}
.tl-item span{font-size:.86rem;color:var(--muted)}
.tl-note{text-align:center;font-style:italic;color:var(--muted);font-size:.85rem;margin-top:8px}

/* Témoignages */
.temoin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.temoin-card{background:#fff;border:1px solid var(--line-light);border-radius:16px;overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s}
.temoin-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.temoin-photo{height:230px;background:linear-gradient(150deg,var(--navy-700),var(--navy-950));display:flex;align-items:center;justify-content:center;color:var(--blue-soft);position:relative}
.temoin-photo .initials{font-family:var(--font-display);font-size:3rem;opacity:.85}
.temoin-photo .cam{position:absolute;bottom:14px;right:14px;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.4)}
.temoin-body{padding:30px}
.temoin-body .name{font-family:var(--font-display);font-size:1.15rem;margin-bottom:16px}
.journey{display:flex;flex-direction:column;gap:0;font-size:.88rem}
.journey .jstep{padding:10px 0 10px 26px;position:relative;color:var(--muted)}
.journey .jstep::before{content:"";position:absolute;left:6px;top:0;bottom:0;width:2px;background:var(--line-light)}
.journey .jstep::after{content:"";position:absolute;left:2px;top:16px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--blue)}
.journey .jstep b{color:var(--ink)}
.journey .jstep.now{color:var(--navy-800);font-weight:600}
.journey .jstep.now::after{background:var(--blue)}
.journey .jlabel{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blue-deep);font-weight:700}

/* Hub */
.hub-section{background:
  radial-gradient(800px 460px at 90% 0%,rgba(41,171,226,.25),transparent 60%),
  linear-gradient(135deg,#0B3A63,var(--navy-950));color:#fff;position:relative;overflow:hidden}
.hub-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hub-badge{display:inline-block;background:var(--blue);color:#fff;font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;font-weight:800;padding:7px 18px;border-radius:20px;margin-bottom:24px}
.hub-visual{display:flex;align-items:center;justify-content:center}
.compass{width:280px;height:280px;border-radius:50%;border:1px solid rgba(255,255,255,.15);position:relative;display:flex;align-items:center;justify-content:center}
.compass::before{content:"";position:absolute;inset:26px;border-radius:50%;border:1px dashed rgba(41,171,226,.4);animation:spinSlow 26s linear infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.needle{width:5px;height:130px;background:linear-gradient(var(--blue) 50%,#fff 50%);border-radius:4px;transform-origin:center;animation:needleSeek 6s var(--ease) infinite}
@keyframes needleSeek{0%,100%{transform:rotate(18deg)}45%{transform:rotate(-160deg)}70%{transform:rotate(30deg)}}
.compass .cardinal{position:absolute;font-family:var(--font-display);color:var(--blue-soft);font-size:.8rem}
.compass .n{top:10px}.compass .s{bottom:10px}.compass .e{right:14px}.compass .w{left:14px}

/* Audiences */
.audience-grid{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.aud{border:1px solid var(--line-light);background:#fff;border-radius:40px;padding:13px 26px;font-weight:600;font-size:.92rem;display:flex;gap:10px;align-items:center;transition:border-color .3s,transform .3s,background .3s}
.aud::before{content:"✔";color:var(--blue);font-weight:800}
.aud:hover{border-color:var(--blue);transform:translateY(-3px)}

/* Infos pratiques */
.infos-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-bottom:44px}
.info-card{background:#fff;border:1px solid var(--line-light);border-radius:12px;padding:28px 22px;text-align:center;transition:transform .4s var(--ease),box-shadow .4s}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.info-card .ic{font-size:1.5rem;margin-bottom:12px}
.info-card .lab{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:8px}
.info-card b{font-size:.95rem;line-height:1.4;display:block}
.map-embed{border-radius:16px;overflow:hidden;border:1px solid var(--line-light);box-shadow:var(--shadow-md)}
.map-embed iframe{width:100%;height:380px;border:0;display:block}

/* Formulaire d'inscription */
.form-section{background:linear-gradient(180deg,var(--navy-800),var(--navy-950));color:#fff}
.form-card{max-width:760px;margin:0 auto;background:rgba(17,47,82,.55);backdrop-filter:blur(10px);
  border:1px solid var(--line-dark);border-radius:20px;padding:56px;box-shadow:var(--shadow-lg)}
.form-card h2{text-align:center;margin-bottom:10px}
.form-card .fsub{text-align:center;color:var(--muted-light);margin-bottom:40px;font-size:.95rem}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.fgroup{display:flex;flex-direction:column;gap:8px}
.fgroup.full{grid-column:1/-1}
.fgroup label{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--blue-soft)}
.fgroup input,.fgroup select,.fgroup textarea{
  background:rgba(8,28,51,.6);border:1px solid var(--line-dark);border-radius:8px;
  padding:15px 18px;color:#fff;font-family:inherit;font-size:.95rem;
  transition:border-color .3s,box-shadow .3s;outline:none;
}
.fgroup input:focus,.fgroup select:focus,.fgroup textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(41,171,226,.15)}
.fgroup input::placeholder{color:#5F7893}
.radio-row{display:flex;gap:18px}
.radio-chip{flex:1;border:1px solid var(--line-dark);border-radius:8px;padding:14px;display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;transition:border-color .3s,background .3s;font-size:.92rem}
.radio-chip input{accent-color:var(--blue)}
.radio-chip:has(input:checked){border-color:var(--blue);background:rgba(41,171,226,.12)}
.form-card .btn{width:100%;justify-content:center;margin-top:34px}
.form-legal{font-size:.75rem;color:var(--muted-light);text-align:center;margin-top:20px;line-height:1.7}
.form-msg{display:none;text-align:center;border-radius:10px;padding:16px;margin-top:22px;font-size:.92rem;font-weight:600}
.form-msg.ok{display:block;background:rgba(46,204,113,.12);border:1px solid rgba(46,204,113,.5);color:#7BE3A8}
.form-msg.err{display:block;background:rgba(231,76,60,.12);border:1px solid rgba(231,76,60,.5);color:#F5A79D}
.field-error{font-size:.75rem;color:#F5A79D;display:none}
.fgroup.invalid input{border-color:#E74C3C}
.fgroup.invalid .field-error{display:block}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line-light);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:box-shadow .4s}
.faq-item.open{box-shadow:var(--shadow-md)}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:1.02rem;font-weight:600;font-family:var(--font-display);color:var(--ink)}
.faq-q .plus{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--blue);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;transition:transform .4s var(--ease),background .3s,color .3s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.faq-a p{padding:0 28px 26px;color:var(--muted);font-size:.92rem}

/* Galerie & logos */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gal{height:180px;border-radius:12px;background:linear-gradient(150deg,var(--navy-700),var(--navy-950));display:flex;align-items:flex-end;padding:16px;color:var(--muted-light);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;border:1px solid var(--line-dark);transition:transform .4s var(--ease)}
.gal:hover{transform:scale(1.03)}

/* Partage */
.share-row{display:flex;gap:14px;justify-content:center;margin-top:36px}
.share-btn{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-dark);border-radius:40px;padding:11px 24px;color:#fff;font-size:.85rem;font-weight:600;transition:background .3s,border-color .3s,transform .3s}
.share-btn:hover{background:rgba(41,171,226,.15);border-color:var(--blue);transform:translateY(-3px)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .stats-grid,.band-5 .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:0;border-top:1px solid var(--line-dark)}
  .catalog-grid,.consult-grid,.news-grid,.temoin-grid{grid-template-columns:repeat(2,1fr)}
  .refs-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid,.social-grid{grid-template-columns:repeat(2,1fr)}
  .infos-grid{grid-template-columns:repeat(3,1fr)}
  .split,.exam-wrap,.entreprise-wrap,.network-grid,.impact-wrap,.concept-wrap,.hub-inner{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr 1fr}
  .media-tile.big{grid-row:span 1}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .section{padding:76px 0}
  .nav-links{
    position:fixed;inset:0;background:rgba(6,21,39,.98);
    flex-direction:column;justify-content:center;gap:26px;
    opacity:0;pointer-events:none;transition:opacity .4s;z-index:1001;
  }
  .nav-links.open{opacity:1;pointer-events:auto}
  .nav-links a{font-size:1.15rem}
  .burger{display:block}
  .catalog-grid,.consult-grid,.news-grid,.temoin-grid,.refs-grid,.why-grid,.social-grid,.media-grid,.foot-grid,.fgrid{grid-template-columns:1fr}
  .infos-grid{grid-template-columns:1fr 1fr}
  .form-card{padding:34px 24px}
  .event-card{padding:26px 22px}
  .event-meta{flex-direction:column;gap:12px;align-items:center}
  .cd-unit{min-width:74px;padding:14px 6px}
  .cd-unit .val{font-size:1.7rem}
  .hero{padding-top:120px}
  .foot-bottom{flex-direction:column}
}

/* Accessibilité — mouvement réduit */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .sr{opacity:1;transform:none}
  .route-path{stroke-dashoffset:0}
  .map-route{stroke-dashoffset:0}
}