:root{
  --bg:#07070c; --bg2:#0d0d16; --card:#12121d; --line:rgba(255,255,255,.08);
  --txt:#eef0f6; --muted:#a3a7b8; --ink:#fff;
  --b:#4f7cff; --v:#8b5cf6; --c:#22d3ee;
  --grad:linear-gradient(100deg,#4f7cff 0%,#8b5cf6 48%,#22d3ee 100%);
  --grad-soft:linear-gradient(100deg,rgba(79,124,255,.18),rgba(139,92,246,.14),rgba(34,211,238,.16));
  --nav-bg:rgba(7,7,12,.7);
  --ghost-bg:rgba(255,255,255,.05); --ghost-bg-hover:rgba(255,255,255,.1);
  --badge-bg:rgba(0,0,0,.7); --badge-color:#fff;
  --card-img-bg:linear-gradient(160deg,#171727,#0e0e18);
  --shadow:0 30px 60px rgba(0,0,0,.4);
  --dashed:rgba(255,255,255,.15);
  --glow-op:.4;
  --maxw:1100px;
}
:root[data-theme="light"]{
  --bg:#f5f5fa; --bg2:#ffffff; --card:#ffffff; --line:rgba(0,0,0,.08);
  --txt:#1a1a24; --muted:#5b5b6d; --ink:#0a0a14;
  --nav-bg:rgba(245,245,250,.85);
  --ghost-bg:rgba(0,0,0,.04); --ghost-bg-hover:rgba(0,0,0,.08);
  --badge-bg:rgba(255,255,255,.92); --badge-color:#1a1a24;
  --card-img-bg:linear-gradient(160deg,#e8e8ef,#f0f0f5);
  --shadow:0 20px 50px rgba(15,20,40,.08);
  --dashed:rgba(0,0,0,.15);
  --glow-op:.18;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:Inter,system-ui,sans-serif;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s}
h1,h2,h3,h4{font-family:Sora,sans-serif;line-height:1.2;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.grad-txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.98rem;padding:14px 26px;border-radius:999px;cursor:pointer;border:0;transition:.25s transform,.25s box-shadow,.25s background}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px rgba(79,124,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(139,92,246,.5)}
.btn-ghost{background:var(--ghost-bg);color:var(--txt);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--ghost-bg-hover)}
.eyebrow{font-family:Inter;font-weight:600;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase}

.glow{position:fixed;inset:0;z-index:-1;pointer-events:none}
.glow:before,.glow:after{content:"";position:absolute;border-radius:50%;filter:blur(120px);opacity:var(--glow-op)}
.glow:before{width:600px;height:600px;background:radial-gradient(circle,rgba(79,124,255,.5),transparent 70%);top:-180px;left:-120px}
.glow:after{width:520px;height:520px;background:radial-gradient(circle,rgba(139,92,246,.45),transparent 70%);top:60vh;right:-150px}

/* NAV */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:var(--nav-bg);border-bottom:1px solid var(--line);transition:background .25s,border-color .25s}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:1180px}
.logo{display:flex;align-items:center;gap:10px;font-family:Sora;font-weight:800;font-size:1.25rem}
.logo img{height:38px;width:auto}
.logo .logo-light{display:none}
[data-theme="light"] .logo .logo-dark{display:none}
[data-theme="light"] .logo .logo-light{display:block}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.95rem;color:var(--muted);font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--txt)}
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{color:#fff}
.theme-toggle{background:var(--ghost-bg);border:1px solid var(--line);color:var(--txt);width:38px;height:38px;border-radius:50%;cursor:pointer;display:grid;place-items:center;font-size:1rem;transition:.2s background,.2s transform;font-family:inherit}
.theme-toggle:hover{background:var(--ghost-bg-hover);transform:scale(1.08)}
.menu-btn{display:none;background:none;border:0;color:var(--txt);font-size:1.6rem;cursor:pointer}
@media(max-width:880px){.nav-links{display:none}.menu-btn{display:block}}

/* main */
main{padding:50px 0 30px}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.92rem;font-weight:500;margin-bottom:30px;transition:.2s}
.back-link:hover{color:var(--ink)}

/* CASE HERO (page projet) */
.case-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;padding:30px 0 70px;border-bottom:1px solid var(--line);margin-bottom:60px}
.case-hero .meta{display:flex;flex-direction:column;gap:16px}
.case-hero .label{color:var(--c);font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600}
.case-hero h1{font-size:clamp(1.9rem,4vw,3.2rem);font-weight:800;line-height:1.12}
.case-hero .lede{color:var(--muted);font-size:clamp(1rem,1.4vw,1.15rem);margin-top:4px}
.case-hero .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.tag{background:var(--ghost-bg);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.82rem;color:var(--muted)}
.case-hero .visual{position:relative}
.case-hero .visual img{width:100%;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);max-width:380px;display:block;margin:0 auto}
.case-hero .visual.logo-bg{background:#fff;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);padding:50px 60px;display:grid;place-items:center;max-width:380px;aspect-ratio:1/1;margin:0 auto}
.case-hero .visual.logo-bg img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;border:0;border-radius:0;box-shadow:none;max-width:100%}
@media(max-width:880px){.case-hero{grid-template-columns:1fr;gap:30px;padding:20px 0 50px}.case-hero .visual{max-width:320px;margin:0 auto}}

/* Story blocks */
.story{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.story .block{grid-column:span 12;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;position:relative;overflow:hidden}
.story .block.half{grid-column:span 6}
.story .block.third{grid-column:span 4}
.story .block.two-thirds{grid-column:span 8}
.story .block h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--ink)}
.story .block p{color:var(--muted);font-size:.97rem}
.story .block p+p{margin-top:10px}
.story .block p strong{color:var(--ink);font-weight:600}
.story .block ul{list-style:none;display:grid;gap:9px;margin-top:10px}
.story .block li{display:flex;gap:11px;align-items:flex-start;color:var(--muted);font-size:.95rem}
.story .block li:before{content:"→";color:var(--c);font-weight:700;margin-top:1px}
.story .block.accent{background:radial-gradient(circle at 50% 0%,rgba(139,92,246,.18),transparent 70%),var(--card);border-color:rgba(139,92,246,.25)}
.story .block .kpi{font-family:Sora;font-size:clamp(2rem,4vw,3.2rem);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:8px}
.story .block .kpi-label{color:var(--muted);font-size:.94rem;font-weight:500}
.story .block .quote{font-family:Sora,sans-serif;font-size:1.2rem;font-weight:600;color:var(--ink);line-height:1.5}
@media(max-width:880px){.story .block.half,.story .block.third,.story .block.two-thirds{grid-column:span 12}}

/* avant/après */
.avant-apres{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
.snap{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;text-align:center}
.snap .badge{position:absolute;top:14px;left:14px;background:var(--badge-bg);color:var(--badge-color);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.78rem;font-weight:600;letter-spacing:.05em;z-index:2}
.snap .badge.b-after{background:linear-gradient(100deg,rgba(79,124,255,.4),rgba(139,92,246,.4));border-color:rgba(139,92,246,.5);color:#fff}
.snap img{width:100%;max-width:280px;border-radius:12px;display:block;margin:0 auto}
.snap .cap{color:var(--muted);font-size:.88rem;margin-top:14px}
@media(max-width:680px){.avant-apres{grid-template-columns:1fr}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px}
.gallery .snap img{max-width:320px}
@media(max-width:680px){.gallery{grid-template-columns:1fr}}

/* case nav */
.case-nav{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:60px;padding-top:30px;border-top:1px solid var(--line)}

/* coming soon */
.coming{background:var(--card);border:1px dashed var(--dashed);border-radius:20px;padding:60px 24px;text-align:center;color:var(--muted);margin:30px 0}
.coming h3{font-size:1.4rem;color:var(--txt);margin-bottom:8px}

/* CTA final */
.final{position:relative;text-align:center;border:1px solid var(--line);border-radius:28px;padding:60px 24px;background:radial-gradient(circle at 50% 0%,rgba(139,92,246,.22),transparent 70%),var(--card);margin:60px 0 30px}
.final h2{font-size:clamp(1.6rem,3.4vw,2.4rem);max-width:22ch;margin:0 auto 14px}
.final p{color:var(--muted);max-width:56ch;margin:0 auto 28px}

/* FOOTER */
footer{border-top:1px solid var(--line);padding:48px 0 30px;color:var(--muted);margin-top:40px}
footer .wrap{max-width:1180px}
footer .grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
footer .logo img{height:34px}
footer .links{display:flex;gap:26px;flex-wrap:wrap;font-size:.94rem}
footer .legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:24px;padding-top:24px;border-top:1px solid var(--line);font-size:.82rem;opacity:.8}
footer .legal .links{gap:18px;font-size:.82rem}
footer a:hover{color:var(--ink)}

.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* PROJETS VITRINE (projets.html) */
.vitrine-hero{text-align:center;padding:80px 0 50px}
.vitrine-hero h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;max-width:20ch;margin:18px auto 0}
.vitrine-hero p{color:var(--muted);font-size:clamp(1rem,1.4vw,1.15rem);max-width:62ch;margin:22px auto 0}
.vitrine{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:40px}
.proj-card{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;transition:.25s transform,.25s border-color;position:relative}
.proj-card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.4)}
.proj-card .img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--card-img-bg)}
.proj-card .img img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;transition:.4s transform}
.proj-card:hover .img img{transform:scale(1.04)}
.proj-card .img.logo-bg{background:#fff;display:grid;place-items:center;padding:32px 36px}
.proj-card .img.logo-bg img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;transition:.4s transform}
.proj-card:hover .img.logo-bg img{transform:scale(1.05)}
.proj-card .img .label{position:absolute;top:12px;left:12px;background:var(--badge-bg);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.7rem;color:var(--badge-color);font-weight:600;letter-spacing:.05em;text-transform:uppercase;z-index:2}
.proj-card .body{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column;gap:14px}
.proj-card h3{font-size:1.12rem;font-weight:700;line-height:1.3;color:var(--ink)}
.proj-card .resume{color:var(--muted);font-size:.93rem;flex:1;line-height:1.6}
.proj-card .cta{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c);font-size:.92rem;margin-top:4px}
.proj-card .cta:after{content:"→";transition:.2s transform}
.proj-card:hover .cta{color:var(--ink)}
.proj-card:hover .cta:after{transform:translateX(4px)}
.proj-card.coming-soon{border-style:dashed;border-color:var(--dashed)}
.proj-card.coming-soon .img{background:radial-gradient(circle at 50% 50%,rgba(79,124,255,.15),transparent 70%),var(--card-img-bg);display:grid;place-items:center}
.proj-card.coming-soon .img .badge-cs{font-family:Sora,sans-serif;font-weight:700;font-size:1.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.proj-card.coming-soon h3{color:var(--muted)}
.proj-card.coming-soon .cta{color:var(--muted)}
.coming-row{margin-top:24px}
@media(max-width:980px){.vitrine{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.vitrine{grid-template-columns:1fr}}