/* ============================================================
   ATHENA TECH - site vitrine
   Refonte basée sur le design handoff (chaque section unique).
   ============================================================ */

@font-face {
  font-family: 'Yeysk';
  src: url('../fonts/YeyskRegular.otf') format('opentype');
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: 'Quicksand';
  src: url('../fonts/Quicksand-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 700; font-display: swap;
}

:root {
  --bg:#080b12; --bg-2:#0a0e18; --panel:#0e1421; --panel-2:#121a2a;
  --line:rgba(150,180,210,0.10); --line-2:rgba(120,195,220,0.22);
  --text:#e9eef5; --text-2:#93a0b4; --text-3:#5d6a7e;
  --cyan:#3fb6d8; --cyan-2:#56c9d6; --cyan-deep:#1f8fb4; --teal:#4ec5b5;
  --glow:rgba(63,182,216,0.45);
  --font-display:'Yeysk', system-ui, sans-serif;
  --font-body:'Quicksand', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --maxw:1240px; --gut:clamp(20px,5vw,80px); --sec-pad:clamp(90px,13vh,180px);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  background:var(--bg); color:var(--text); font-family:var(--font-body);
  font-weight:400; line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:clip;
}
.space-bg {
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(ellipse 60% 50% at 78% 8%, rgba(63,182,216,0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 12% 88%, rgba(78,197,181,0.06), transparent 60%),
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(20,40,70,0.55), transparent 70%),
    var(--bg);
}
#starfield { position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.55; }

a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; }
.wrap { max-width:var(--maxw); margin:0 auto; padding-inline:var(--gut); }

/* ---------- Type helpers ---------- */
.display { font-family:var(--font-display); font-weight:700; line-height:.98; letter-spacing:.01em; text-transform:uppercase; }
.sec-title { font-family:var(--font-display); text-transform:uppercase; font-size:clamp(32px,5vw,64px); line-height:1.02; letter-spacing:.01em; }
.lead { color:var(--text-2); font-size:clamp(15px,1.2vw,18px); max-width:46ch; }
.cyan { color:var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display:inline-flex; align-items:center; gap:10px; font-family:var(--font-body); font-weight:600;
  font-size:15px; padding:14px 24px; border-radius:10px; border:1px solid transparent;
  white-space:nowrap; cursor:pointer;
  transition:transform .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.btn-primary { background:linear-gradient(180deg,var(--cyan),var(--cyan-deep)); color:#04121a; box-shadow:0 8px 30px -12px var(--glow); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 14px 40px -12px var(--glow); }
.btn-ghost { background:rgba(255,255,255,0.02); border-color:var(--line-2); color:var(--text); }
.btn-ghost:hover { border-color:var(--cyan); background:rgba(63,182,216,0.06); transform:translateY(-2px); }
.btn .arrow { transition:transform .25s ease; }
.btn:hover .arrow { transform:translateX(4px); }

/* ---------- Header ---------- */
.site-header { position:fixed; top:0; left:0; right:0; z-index:100; transition:background .3s, border-color .3s, padding .3s; border-bottom:1px solid transparent; }
.site-header.scrolled { background:rgba(8,11,18,0.72); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom-color:var(--line); }
.header-inner { max-width:var(--maxw); margin:0 auto; padding:20px var(--gut); display:flex; align-items:center; justify-content:space-between; gap:24px; transition:padding .3s; }
.scrolled .header-inner { padding-block:13px; }
.brand { display:flex; align-items:center; gap:12px; }
.brand img { width:30px; height:30px; }
.logo-on-light { display:none; }
[data-theme="light"] .logo-on-dark { display:none; }
[data-theme="light"] .logo-on-light { display:block; }
.brand b { font-family:var(--font-display); font-size:17px; letter-spacing:.06em; }
.brand img { transition:transform .35s cubic-bezier(.34,1.56,.64,1), filter .35s ease; }
.brand:hover img, .brand:focus-visible img { transform:scale(1.12); filter:drop-shadow(0 0 9px var(--glow)); }
.brand b { transition:color .3s ease, text-shadow .3s ease; }
.brand:hover b, .brand:focus-visible b { color:var(--cyan); text-shadow:0 0 18px var(--glow); }
.nav { display:flex; align-items:center; gap:30px; }
.nav a { font-size:14px; color:var(--text-2); font-weight:500; position:relative; transition:color .2s; }
.nav a::after { content:""; position:absolute; left:0; bottom:-6px; height:1px; width:0; background:var(--cyan); transition:width .25s; }
.nav a:hover { color:var(--text); } .nav a:hover::after { width:100%; }
.header-cta { display:flex; align-items:center; gap:14px; }
.icon-btn { width:38px; height:38px; display:grid; place-items:center; border-radius:50%; border:1px solid var(--line); color:var(--text-2); background:transparent; cursor:pointer; transition:border-color .2s, color .2s; }
.icon-btn:hover { border-color:var(--cyan); color:var(--cyan); }
.menu-toggle { display:none; }

/* ---------- HERO ---------- */
/* minmax(0, …fr) : empêche le grid de s'auto-agrandir si le contenu pousse - la sphère garde sa taille pendant l'anim scramble */
.hero { position:relative; min-height:100vh; display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,0.95fr); align-items:center; gap:40px; max-width:var(--maxw); margin:0 auto; padding:150px var(--gut) 90px; }
/* Le titre est sur 2 lignes fixes (ATHENA <br> TECH) - chaque mot est un span scramble,
   ainsi la hauteur du H1 ne varie pas pendant l'anim. Le wrap est figé par le markup. */
.hero h1 [data-hero-scramble] { display:inline-block; }
.hero-pill { display:inline-flex; align-items:center; gap:9px; padding:8px 16px; border-radius:999px; border:1px solid var(--line-2); background:rgba(63,182,216,0.05); font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-2); margin-bottom:30px; }
.hero-pill .dot { width:7px; height:7px; border-radius:50%; background:var(--cyan); box-shadow:0 0 10px var(--glow); }
.hero h1 { font-size:clamp(46px,7vw,104px); margin-bottom:26px; font-family:var(--font-display); text-transform:uppercase; line-height:.98; letter-spacing:.01em; }
.hero h1 .sub { display:block; color:var(--cyan); font-size:clamp(16px,2.2vw,32px); margin-top:6px; }
/* Mots du sous-titre : will-change pour anim opacity GPU */
.hero-sub-word { display:inline-block; will-change:opacity; }
/* Cache initial avant l'anim GSAP (uniquement si JS chargé) - évite le flash */
html.js .hero h1 [data-hero-scramble],
html.js .hero h1 [data-hero-sub] { opacity:0; }
.hero .lead { margin-bottom:36px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-bottom:40px; }
.hero-trust { display:flex; flex-wrap:wrap; gap:14px 30px; }
.trust-item { font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-3); display:inline-flex; align-items:center; gap:8px; }
.trust-item svg { width:14px; height:14px; stroke:var(--cyan); opacity:.8; }
.hero-visual { position:relative; height:min(620px,70vh); }
.hero-visual canvas { width:100%; height:100%; display:block; }
#orb-hero { position:relative; width:100%; height:100%; display:grid; place-items:center; }

/* ---------- Section scaffold ---------- */
section[id] { scroll-margin-top:90px; }
.sec-head { margin-bottom:clamp(48px,7vh,88px); }
.sec-head.center { text-align:center; max-width:760px; margin-inline:auto; }
.sec-head.center .lead { margin-inline:auto; }
.sec-head .sec-title { margin-top:16px; }

/* ---------- MANIFESTE - déclaration éditoriale ---------- */
.manifesto { position:relative; min-height:100vh; display:flex; flex-direction:column; justify-content:center; gap:clamp(48px,8vh,96px); overflow:hidden; padding:clamp(110px,16vh,200px) 0; border-block:1px solid var(--line); }
.mani-stage { position:relative; max-width:1400px; margin-inline:auto; width:100%; padding-inline:var(--gut); text-align:left; }
.mani-statement { font-family:var(--font-display); font-weight:700; font-size:clamp(30px,5.2vw,74px); line-height:1.14; letter-spacing:.01em; text-transform:uppercase; max-width:17ch; }
.mani-statement .w { color:var(--text); }
.mani-statement .accent { position:relative; display:inline-block; white-space:nowrap; }
.mani-statement .accent .w.key { color:var(--cyan); }
.accent-line { position:absolute; left:0; right:0; bottom:-.04em; height:.07em; min-height:3px; background:var(--cyan); border-radius:4px; transform:scaleX(0); transform-origin:left center; box-shadow:0 0 18px rgba(63,182,216,.45); }
html:not(.js) .mani-statement .w, html:not(.js) .mani-statement .accent .w.key { color:var(--text); }
html:not(.js) .mani-statement .accent .w.key { color:var(--cyan); }
html:not(.js) .accent-line { transform:scaleX(1); }
@media (prefers-reduced-motion:reduce){ .mani-statement .w { color:var(--text); } .mani-statement .accent .w.key { color:var(--cyan); } .accent-line { transform:scaleX(1); } }
.mani-lead { color:var(--text-2); max-width:62ch; margin:clamp(28px,5vh,56px) 0 0; font-size:clamp(15px,1.25vw,19px); line-height:1.65; transition:opacity .9s ease .45s, transform .9s ease .45s; }
@media (prefers-reduced-motion:no-preference){ html.js .manifesto:not(.in) .mani-lead { opacity:0; transform:translateY(18px); } }
.mani-rail { position:relative; list-style:none; display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(28px,5vw,72px); }
.mani-rail li { position:relative; padding-top:26px; border-top:1px solid var(--line-2); transition:opacity .8s ease, transform .8s ease; }
@media (prefers-reduced-motion:no-preference){ html.js .manifesto:not(.in) .mani-rail li { opacity:0; transform:translateY(22px); } }
html.js .manifesto.in .mani-rail li:nth-child(2){ transition-delay:.1s; }
html.js .manifesto.in .mani-rail li:nth-child(3){ transition-delay:.2s; }
.mr-ico { display:inline-grid; place-items:center; width:44px; height:44px; border-radius:12px; border:1px solid var(--line-2); background:rgba(63,182,216,0.05); margin-bottom:18px; }
.mr-ico svg { width:22px; height:22px; stroke:var(--cyan); }
.mani-rail h3 { font-size:clamp(17px,1.6vw,21px); font-weight:600; margin-bottom:9px; }
.mani-rail p { color:var(--text-2); font-size:14.5px; line-height:1.55; }

/* ---------- SOLUTIONS - scroll horizontal épinglé ---------- */
.solutions { position:relative; }
.sol-sticky { padding-block:var(--sec-pad); }
.sol-head { display:grid; grid-template-columns:1fr 1fr; gap:18px 40px; align-items:end; margin-bottom:clamp(36px,6vh,64px); padding-inline:var(--gut); max-width:var(--maxw); margin-inline:auto; }
.sol-head .sec-title { margin-top:14px; }
.sol-head .lead { justify-self:end; }
.sol-head-right { display:flex; flex-direction:column; gap:20px; align-items:flex-end; }
.sol-progressbar { grid-column:1 / -1; height:2px; background:var(--line); border-radius:2px; overflow:hidden; margin-top:10px; }
.sol-pfill { display:block; height:100%; width:100%; transform-origin:left; transform:scaleX(.25); background:linear-gradient(90deg,var(--cyan),var(--teal)); }
.sol-track { display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(20px,2.4vw,32px); padding-inline:var(--gut); max-width:var(--maxw); margin-inline:auto; }
.sol-panel {
  position:relative; padding:clamp(28px,3vw,44px); border:1px solid var(--line); border-radius:18px;
  background:linear-gradient(180deg,rgba(18,26,42,0.6),rgba(14,20,33,0.4));
  display:flex; flex-direction:column; min-height:300px;
}
.sol-pn { font-family:var(--font-display); font-size:clamp(40px,5vw,68px); line-height:1; color:transparent; -webkit-text-stroke:1px var(--line-2); margin-bottom:auto; }
.sol-ico { display:inline-grid; place-items:center; width:50px; height:50px; border-radius:13px; border:1px solid var(--line-2); background:rgba(63,182,216,0.06); margin:26px 0 18px; }
.sol-ico svg { width:24px; height:24px; stroke:var(--cyan); }
.sol-panel h3 { font-size:clamp(21px,2.4vw,28px); font-weight:600; margin-bottom:14px; }
.sol-panel p { color:var(--text-2); font-size:15px; line-height:1.6; }
html.gsap-sol .sol-sticky { height:100vh; display:flex; flex-direction:column; justify-content:center; overflow:hidden; padding-block:0; }
html.gsap-sol .sol-track { display:flex; flex-wrap:nowrap; grid-template-columns:none; padding-inline:var(--gut); max-width:none; margin:0; will-change:transform; }
html.gsap-sol .sol-panel { flex:0 0 auto; width:min(460px,76vw); min-height:min(440px,60vh); }

/* ---------- ATHENIUM - deux produits distincts ---------- */
.athenium { position:relative; overflow:hidden; padding-block:var(--sec-pad); background:radial-gradient(ellipse 80% 70% at 50% 26%, #0a141f 0%, #06090f 62%, #04060b 100%); border-block:1px solid var(--line-2); }
.ath-glow { position:absolute; left:50%; top:22%; transform:translate(-50%,-50%); width:min(1200px,130vw); aspect-ratio:1.3; pointer-events:none; background:radial-gradient(circle,rgba(63,182,216,0.16),rgba(63,182,216,0.05) 38%,transparent 64%); filter:blur(10px); }
.athenium .wrap { position:relative; z-index:1; }
.ath-head { text-align:center; max-width:820px; margin:0 auto clamp(48px,7vh,88px); }
.ath-head h2 { font-family:var(--font-display); text-transform:uppercase; font-size:clamp(32px,4.4vw,60px); line-height:1.02; margin-bottom:22px; letter-spacing:.01em; }
.ath-head .lead { margin-inline:auto; }

/* Grille produits */
.prod-grid { display:grid; grid-template-columns:1fr 1fr; gap:clamp(24px,3vw,40px); align-items:stretch; }
.prod-card { position:relative; display:flex; flex-direction:column; padding:clamp(28px,3.2vw,44px); border:1px solid var(--line-2); border-radius:20px; background:linear-gradient(180deg, rgba(20,32,46,0.65), rgba(10,16,26,0.55)); backdrop-filter:blur(6px); transition:border-color .3s ease, transform .4s ease, box-shadow .4s ease; }
.prod-card:hover { border-color:rgba(63,182,216,0.5); transform:translateY(-4px); box-shadow:0 24px 60px -30px rgba(63,182,216,0.35); }

.prod-head { margin-bottom:20px; }
.prod-badge { display:inline-block; font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--cyan); border:1px solid var(--line-2); border-radius:999px; padding:5px 13px; background:rgba(63,182,216,0.06); margin-bottom:18px; }
.prod-name { font-family:var(--font-display); font-weight:700; text-transform:uppercase; letter-spacing:.02em; font-size:clamp(24px,2.6vw,34px); line-height:1; margin-bottom:8px; }
.prod-tag { color:var(--text-2); font-size:15px; }

.prod-lead { color:var(--text-2); font-size:15.5px; line-height:1.6; margin-bottom:26px; }

.prod-feats { list-style:none; display:flex; flex-direction:column; gap:14px; margin-bottom:32px; padding-bottom:28px; border-bottom:1px solid var(--line); }
.prod-feats li { display:flex; gap:14px; align-items:flex-start; color:var(--text); font-size:14.5px; line-height:1.5; }
.prod-feats svg { flex:none; width:20px; height:20px; stroke:var(--cyan); margin-top:1px; }

.prod-cases-lbl { font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-3); margin-bottom:16px; }
.prod-cases ul { list-style:none; display:flex; flex-direction:column; gap:14px; margin-bottom:32px; }
.prod-cases li { position:relative; padding-left:18px; color:var(--text-2); font-size:14.5px; line-height:1.55; }
.prod-cases li::before { content:""; position:absolute; left:0; top:9px; width:7px; height:7px; border-radius:50%; background:var(--cyan); box-shadow:0 0 8px var(--glow); }
.prod-cases li b { color:var(--text); font-weight:600; }

.prod-cta { margin-top:auto; align-self:flex-start; }

/* principes (socle commun) */
.ath-principles { list-style:none; display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(24px,4vw,56px); margin-top:clamp(56px,8vh,100px); padding-top:clamp(40px,5vh,60px); border-top:1px solid var(--line); }
.ath-principles li { position:relative; }
.ath-principles .ap-n { font-family:var(--font-mono); font-size:12px; letter-spacing:.14em; color:var(--text-3); }
.ath-principles svg { width:28px; height:28px; stroke:var(--cyan); margin:14px 0 14px; display:block; }
.ath-principles h3 { font-size:clamp(17px,1.7vw,21px); font-weight:600; margin-bottom:9px; }
.ath-principles p { color:var(--text-2); font-size:14.5px; line-height:1.55; }

/* ---------- Particles overlay ---------- */
#particle-field { position:fixed; inset:0; width:100%; height:100%; z-index:1; pointer-events:none; }
.hero-text, .wrap, .mani-stage, .sol-track { position:relative; z-index:2; }
.sol-sticky { z-index:2; }

/* ---------- PROCESSUS - timeline ---------- */
.process { padding-block:var(--sec-pad); }
.timeline { position:relative; max-width:760px; margin:0 auto; }
.tl-line { position:absolute; left:27px; top:8px; bottom:8px; width:2px; background:var(--line); overflow:hidden; }
.tl-fill { position:absolute; inset:0; transform-origin:top; transform:scaleY(0); background:linear-gradient(var(--cyan),var(--teal)); box-shadow:0 0 16px -2px var(--glow); }
.step { position:relative; padding:0 0 clamp(40px,6vh,64px) 84px; }
.step:last-child { padding-bottom:0; }
.step .node { position:absolute; left:0; top:0; width:56px; height:56px; border-radius:50%; display:grid; place-items:center; background:var(--bg-2); border:1px solid var(--line-2); font-family:var(--font-display); color:var(--cyan); font-size:18px; box-shadow:0 0 0 6px var(--bg); transition:box-shadow .4s, border-color .4s, transform .4s; }
.step.in .node { border-color:var(--cyan); box-shadow:0 0 0 6px var(--bg), 0 0 26px -6px var(--glow); transform:scale(1.04); }
.step h3 { font-size:clamp(20px,2.4vw,28px); font-weight:600; margin-bottom:10px; text-transform:uppercase; font-family:var(--font-display); letter-spacing:.01em; }
.step p { color:var(--text-2); max-width:52ch; }

/* ---------- ÉQUIPE - portraits décalés ---------- */
.team { padding-block:var(--sec-pad); }
.team-row { display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(24px,3.5vw,48px); align-items:start; }
.member { display:flex; flex-direction:column; }
.member:nth-child(even) { transform:translateY(40px); }
.member-photo { width:100%; aspect-ratio:3/4; margin-bottom:18px; object-fit:cover; border-radius:14px; filter:grayscale(1) contrast(1.02); transition:filter .4s ease; }
.member:hover .member-photo { filter:grayscale(0) contrast(1); }
.member .name { font-family:var(--font-display); text-transform:uppercase; font-size:clamp(20px,2vw,26px); letter-spacing:.03em; }
.member .role { font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; color:var(--cyan); text-transform:uppercase; margin-top:6px; line-height:1.5; }
.member-badge { align-self:flex-start; display:inline-flex; align-items:center; gap:6px; margin-top:16px; font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--cyan); padding:5px 12px; border:1px solid var(--line-2); border-radius:999px; background:rgba(63,182,216,0.05); }

/* ---------- CONTACT - split CTA + form ---------- */
.contact { padding-block:var(--sec-pad); }
.contact-grid { display:grid; grid-template-columns:1fr 0.85fr; gap:clamp(40px,6vw,90px); align-items:start; }
.contact .sec-title { margin-bottom:24px; }
.contact .lead { margin-bottom:34px; }
.contact-info { display:flex; flex-direction:column; gap:16px; }
.contact-info a, .contact-info span { display:inline-flex; align-items:center; gap:12px; color:var(--text-2); font-size:15px; }
.contact-info a:hover { color:var(--cyan); }
.contact-info svg { width:18px; height:18px; stroke:var(--cyan); flex:none; }
.form { border:1px solid var(--line); border-radius:18px; padding:clamp(26px,3vw,40px); background:linear-gradient(180deg,var(--panel-2),var(--panel)); display:flex; flex-direction:column; gap:18px; box-shadow:0 40px 90px -60px #000; }
.field-group { display:flex; flex-direction:column; gap:8px; }
.field-group label { font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-3); }
.field-group input, .field-group textarea { width:100%; background:rgba(255,255,255,0.02); border:1px solid var(--line); border-radius:10px; padding:13px 15px; color:var(--text); font-family:var(--font-body); font-size:15px; transition:border-color .2s, background .2s; }
.field-group input:focus, .field-group textarea:focus { outline:none; border-color:var(--cyan); background:rgba(63,182,216,0.04); box-shadow:0 0 0 3px rgba(63,182,216,0.12); }
.field-group:focus-within label { color:var(--cyan); }
.field-group textarea { resize:vertical; min-height:96px; }
.form .btn-primary { justify-content:center; margin-top:4px; }
.form-note { font-family:var(--font-mono); font-size:11px; letter-spacing:.06em; color:var(--text-3); text-align:center; margin-top:4px; }
.row-2 { display:grid; grid-template-columns:1fr 1fr; gap:18px; }

/* ---------- Footer ---------- */
.site-footer { border-top:1px solid var(--line); padding-block:56px; margin-top:40px; }
.footer-inner { display:flex; flex-wrap:wrap; justify-content:space-between; gap:30px; align-items:center; }
.footer-inner .brand b { font-size:16px; }
.footer-nav { display:flex; flex-wrap:wrap; gap:22px; }
.footer-nav a { font-size:13px; color:var(--text-2); }
.footer-nav a:hover { color:var(--cyan); }
.footer-legal { width:100%; display:flex; flex-wrap:wrap; justify-content:space-between; gap:16px; margin-top:30px; padding-top:24px; border-top:1px solid var(--line); }
.footer-legal span { font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; color:var(--text-3); text-transform:uppercase; }
.footer-links { display:flex; flex-wrap:wrap; gap:22px; }
.footer-links a { color:var(--text-3); } .footer-links a:hover { color:var(--cyan); }
.footer-social { display:inline-flex; align-items:center; gap:8px; font-size:13px; color:var(--text-2); transition:color .2s; }
.footer-social:hover { color:var(--cyan); }
.footer-social svg { width:18px; height:18px; }

/* ---------- Modals légaux ---------- */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.60); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  z-index:300; display:flex; align-items:center; justify-content:center;
  padding:20px; opacity:0; pointer-events:none;
  transition:opacity .25s ease;
}
.modal-overlay.is-open { opacity:1; pointer-events:auto; }
.modal {
  background:var(--bg); border:1px solid var(--line-2); border-radius:20px;
  padding:48px 48px 40px; max-width:680px; width:100%; max-height:84vh;
  overflow-y:auto; position:relative;
  transform:translateY(24px); transition:transform .3s cubic-bezier(.22,1,.36,1);
  scrollbar-width:thin; scrollbar-color:var(--line-2) transparent;
}
.modal-overlay.is-open .modal { transform:translateY(0); }
.modal__close {
  position:sticky; top:0; float:right; margin:-8px -8px 8px 8px;
  width:36px; height:36px; border-radius:50%;
  border:1px solid var(--line); background:rgba(8,11,18,0.65); backdrop-filter:blur(8px);
  cursor:pointer; display:flex; align-items:center; justify-content:center;
  color:var(--text-2); transition:border-color .2s, color .2s; z-index:1;
}
.modal__close:hover { border-color:var(--cyan); color:var(--cyan); }
.modal__close svg { width:16px; height:16px; pointer-events:none; }
.modal__title {
  font-family:var(--font-display); text-transform:uppercase; font-weight:700;
  font-size:clamp(22px,2.4vw,30px); letter-spacing:.01em;
  margin-bottom:32px; line-height:1.05; padding-right:44px;
}
.modal__section { margin-bottom:28px; }
.modal__section:last-child { margin-bottom:0; }
.modal__section-title {
  font-family:var(--font-mono); font-size:11px; font-weight:600;
  letter-spacing:.16em; text-transform:uppercase; color:var(--cyan);
  margin-bottom:10px;
}
.modal__section p, .modal__section ul, .modal__section address {
  font-size:14.5px; color:var(--text-2); line-height:1.7; font-style:normal;
}
.modal__section ul { padding-left:20px; }
.modal__section ul li { margin-bottom:4px; }
.modal__section strong { color:var(--text); font-weight:600; }
.modal__section a { color:var(--cyan); text-decoration:none; }
.modal__section a:hover { text-decoration:underline; }
.modal__meta {
  margin-top:32px; padding-top:24px; border-top:1px solid var(--line);
  font-family:var(--font-mono); font-size:11px; letter-spacing:.06em; color:var(--text-3);
}
/* Bouton footer utilisé pour ouvrir un modal - apparence identique à un lien */
.footer-links button {
  all:unset; cursor:pointer; color:var(--text-3); font-family:var(--font-body); font-size:13px;
  transition:color .2s;
}
.footer-links button:hover { color:var(--cyan); }
[data-theme="light"] .modal { background:var(--panel); }
[data-theme="light"] .modal__close { background:rgba(255,255,255,0.85); }

/* ---------- Reveal ---------- */
[data-reveal] { opacity:0; transform:translateY(26px); transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
[data-reveal].in { opacity:1; transform:none; }
[data-reveal][data-delay="1"] { transition-delay:.08s; }
[data-reveal][data-delay="2"] { transition-delay:.16s; }
[data-reveal][data-delay="3"] { transition-delay:.24s; }

/* ---------- Nav active + focus ---------- */
.nav a.active { color:var(--text); }
.nav a.active::after { width:100%; }
:focus-visible { outline:2px solid var(--cyan); outline-offset:3px; border-radius:6px; }
.btn:focus-visible, .icon-btn:focus-visible { outline:2px solid var(--cyan); outline-offset:3px; }
.field-group input:focus-visible, .field-group textarea:focus-visible { outline:none; }

@media (prefers-reduced-motion:reduce){
  html { scroll-behavior:auto; }
  [data-reveal] { opacity:1 !important; transform:none !important; }
  .brand:hover img, .brand:focus-visible img { transform:none; }
}

/* ============ MODE CLAIR ============ */
[data-theme="light"] {
  --bg:#eef3f8; --bg-2:#e4ecf3; --panel:#ffffff; --panel-2:#f3f8fc;
  --line:rgba(20,50,80,0.12); --line-2:rgba(31,143,180,0.30);
  --text:#0f2030; --text-2:#48596b; --text-3:#7d8c9c;
  --cyan:#1f8fb4; --cyan-2:#2aa6c6; --cyan-deep:#136f8e; --teal:#2a9d8f;
  --glow:rgba(31,143,180,0.26);
}
[data-theme="light"] .space-bg {
  background:
    radial-gradient(ellipse 60% 50% at 78% 8%, rgba(31,143,180,0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 12% 88%, rgba(42,157,143,0.07), transparent 60%),
    radial-gradient(ellipse 90% 70% at 50% -10%, rgba(255,255,255,0.9), transparent 70%),
    var(--bg);
}
[data-theme="light"] #starfield { opacity:.22; }
[data-theme="light"] .site-header.scrolled { background:rgba(255,255,255,0.82); border-bottom-color:var(--line); }
[data-theme="light"] .btn-ghost { background:rgba(31,143,180,0.05); }
[data-theme="light"] .btn-ghost:hover { background:rgba(31,143,180,0.11); }
[data-theme="light"] .btn-primary { color:#f3fbfe; }
[data-theme="light"] .hero-pill, [data-theme="light"] .mr-ico, [data-theme="light"] .sol-ico, [data-theme="light"] .prod-badge { background:rgba(31,143,180,0.06); }
[data-theme="light"] .field-group input, [data-theme="light"] .field-group textarea { background:#ffffff; }
[data-theme="light"] .prod-card { background:linear-gradient(180deg,#ffffff,#f3f8fc); border-color:rgba(20,50,80,0.12); backdrop-filter:none; }
[data-theme="light"] .prod-card:hover { border-color:rgba(31,143,180,0.55); box-shadow:0 24px 60px -30px rgba(31,143,180,0.35); }
[data-theme="light"] .form { background:linear-gradient(180deg,#ffffff,#f3f8fc); }
[data-theme="light"] .athenium { background:radial-gradient(ellipse 80% 70% at 50% 26%, #dfeaf3 0%, #e9f1f8 60%, #f1f6fb 100%); }
[data-theme="light"] .sol-panel { background:linear-gradient(180deg,#ffffff,#f4f8fc); border-color:rgba(20,50,80,0.12); }
[data-theme="light"] .sol-pn { -webkit-text-stroke-color:rgba(31,143,180,0.55); }
[data-theme="light"] .mani-statement .w { color:var(--text); }

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero { grid-template-columns:1fr; padding-top:130px; }
  .hero-visual { height:360px; order:-1; }
  .prod-grid, .contact-grid { grid-template-columns:1fr; }
  .mani-rail { grid-template-columns:1fr; gap:0; }
  .mani-rail li { padding-block:24px; }
  .ath-principles { grid-template-columns:1fr; gap:28px; }
  .sol-head { grid-template-columns:1fr; align-items:start; }
  .sol-head .lead { justify-self:start; }
  /* Désactive le scroll horizontal pinné dès que le viewport est trop étroit pour bien le rendre */
  html.gsap-sol .sol-sticky { height:auto; display:block; overflow:visible; padding-block:var(--sec-pad); }
  html.gsap-sol .sol-track { display:grid; grid-template-columns:repeat(2,1fr); transform:none !important; }
  html.gsap-sol .sol-panel { width:auto; min-height:auto; }
}
/* Header : cache la nav + CTA bouton dès que ça ne tient plus à côté du logo (tablet inclus). */
@media (max-width:900px){
  .nav { display:none; }
  .header-cta .btn { display:none; }
  .menu-toggle { display:grid; }
}
@media (max-width:760px){
  :root { --sec-pad: clamp(60px,9vh,100px); }
  .row-2 { grid-template-columns:1fr; }

  /* Équipe : photos plus compactes, centrées */
  .team-row { grid-template-columns:1fr; gap:48px; }
  .member { align-items:center; text-align:center; }
  .member:nth-child(even) { transform:none; }
  .member-photo { max-width:240px; margin:0 auto 18px; }
  .member-badge { align-self:center; }

  /* Manifeste : pas de 100vh, espace réduit */
  .manifesto { min-height:auto; padding:clamp(60px,9vh,100px) 0; gap:32px; }
  .mani-statement { font-size:clamp(28px,8vw,42px); max-width:none; }

  /* Hero */
  .hero { padding-top:110px; padding-bottom:60px; }
  .hero-visual { height:280px; }
  .hero h1 { margin-bottom:20px; }

  /* Solutions : empilement vertical clean (le pin GSAP est désactivé via JS) */
  .sol-track { grid-template-columns:1fr; }
  .sol-panel { min-height:auto; }
  .sol-head { margin-bottom:32px; }

  /* Athenium : moins de padding interne */
  .athenium { padding-block:clamp(60px,9vh,100px); }
  .prod-card { padding:24px; }
  .prod-cta { width:100%; justify-content:center; }

  /* Contact */
  .contact { padding-block:clamp(60px,9vh,100px); }
  .form { padding:24px; }

  /* Footer */
  .site-footer { padding-block:40px; margin-top:0; }
  .footer-inner { gap:20px; }
  .footer-social { order:3; }
}
@media (max-width:480px){
  .brand b { font-size:15px; }
  .footer-legal { flex-direction:column; gap:12px; }
}