/* ============================================================
   portfolio v3 — expérience immersive (fond 3D plein écran)
   palette du globe : cyan #5eead4 / indigo #818cf8 sur #05070d
   ============================================================ */
:root{
  --bg:#05070d; --ink:#e8ecf1; --muted:#8a93a8; --dim:#565f73;
  --acc:#5eead4; --acc2:#818cf8; --warn:#f0b64a;
  --line:rgba(232,236,241,.12); --line-soft:rgba(232,236,241,.06);
  --disp:'Unbounded',sans-serif; --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:var(--mono); font-size:15px; line-height:1.75;
  overflow-x:hidden;
}
::selection{background:var(--acc);color:#04110d}
::-webkit-scrollbar{width:9px;background:var(--bg)}
::-webkit-scrollbar-thumb{background:#1c2230}
:focus-visible{outline:1px solid var(--acc);outline-offset:3px}
a{color:inherit}

/* fond 3D fixe derrière tout */
#hero3d{position:fixed;inset:0;z-index:0;display:block;width:100%;height:100%}
.noise{
  position:fixed;inset:-50%;z-index:1;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity:.05;animation:grain 9s steps(6) infinite;
}
@keyframes grain{0%,100%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-2%)}80%{transform:translate(3%,3%)}}
@media (prefers-reduced-motion:reduce){.noise{animation:none}}

/* lisibilité du contenu par-dessus la 3D */
main{position:relative;z-index:2}
main section, .hero{ text-shadow:0 1px 12px rgba(5,7,13,.8) }
#about,#stack,#services,#projets,#parcours,#contact{
  background:linear-gradient(rgba(5,7,13,.72),rgba(5,7,13,.72));
  border-top:1px solid var(--line-soft);
}

/* ---------- curseur custom (desktop) ---------- */
.cursor{
  position:fixed;z-index:200;top:0;left:0;width:34px;height:34px;
  border:1px solid var(--acc);border-radius:50%;
  pointer-events:none;transform:translate(-50%,-50%);
  transition:width .2s,height .2s,background .2s,opacity .3s;
  opacity:0;mix-blend-mode:screen;
}
.cursor.on{opacity:.85}
.cursor.grow{width:56px;height:56px;background:rgba(94,234,212,.08)}
@media (pointer:coarse), (max-width:900px){.cursor{display:none}}

/* ---------- loader ---------- */
#loader{
  position:fixed;inset:0;z-index:300;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  transition:opacity .5s,visibility .5s;
}
#loader.done{opacity:0;visibility:hidden}
.loader-name{display:flex;flex-direction:column;align-items:center;gap:2px}
.ln-first,.ln-last{font-family:var(--disp);font-weight:800;font-size:clamp(26px,5vw,44px);letter-spacing:.14em;line-height:1.15}
.ln-last{color:transparent;-webkit-text-stroke:1px var(--acc)}
.loader-sub{color:var(--dim);font-size:11px;letter-spacing:.34em;text-transform:uppercase}
.loader-bar{width:min(320px,70vw);height:2px;background:#141a26;overflow:hidden}
.loader-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .12s linear}
.loader-pct{font-size:12px;color:var(--muted);letter-spacing:.2em}

/* ---------- nav ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;gap:26px;
  padding:14px clamp(20px,4.5vw,64px);
  background:rgba(5,7,13,.55);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
.topbar.scrolled{border-bottom-color:var(--line)}
.logo{font-family:var(--disp);font-weight:800;font-size:15px;letter-spacing:.1em;text-decoration:none;color:var(--ink)}
.logo span{color:var(--acc)}
.menu{display:flex;gap:24px;margin-left:auto}
.menu a{
  color:var(--muted);text-decoration:none;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  background:linear-gradient(var(--acc),var(--acc)) no-repeat 0 100%/0 1px;
  transition:background-size .25s,color .2s;padding-bottom:2px;
}
.menu a:hover{color:var(--ink);background-size:100% 1px}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:10px}
.lang-btn{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;cursor:pointer;
  background:none;border:1px solid var(--line);color:var(--muted);padding:5px 12px;transition:.2s;
}
.lang-btn:hover{color:var(--acc);border-color:var(--acc)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}
.burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;position:relative;z-index:2;
  display:flex;flex-direction:column;justify-content:center;
  padding:120px clamp(20px,4.5vw,64px) 80px;
}
.giant{font-family:var(--disp);font-weight:800;line-height:.95;letter-spacing:.01em;text-transform:uppercase}
.giant .row{display:block;font-size:clamp(42px,9.5vw,124px)}
.giant .row.accent i{color:transparent;-webkit-text-stroke:1.5px var(--acc)}
.giant i{font-style:normal;display:inline-block;opacity:0;transform:translateY(.35em) rotate(4deg)}
body.loaded .giant i{animation:letterIn .5s cubic-bezier(.2,.7,.2,1.2) forwards}
.giant .row i:nth-child(1){animation-delay:.05s}.giant .row i:nth-child(2){animation-delay:.1s}
.giant .row i:nth-child(3){animation-delay:.15s}.giant .row i:nth-child(4){animation-delay:.2s}
.giant .row i:nth-child(5){animation-delay:.25s}.giant .row i:nth-child(6){animation-delay:.3s}
.giant .row i:nth-child(7){animation-delay:.35s}
@keyframes letterIn{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.giant i{opacity:1;transform:none;animation:none!important}}

.typed-wrap{
  margin-top:22px;font-size:clamp(14px,2vw,18px);color:var(--muted);letter-spacing:.04em;min-height:1.8em;
}
.typed-cursor{color:var(--acc)}
.caret{color:var(--acc);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

.status-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);padding:6px 14px;border-radius:999px;
  font-size:12px;color:var(--muted);letter-spacing:.06em;
  background:rgba(5,7,13,.5);
}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot.ok{background:var(--acc);box-shadow:0 0 8px var(--acc)}
.dot.warn{background:var(--warn);box-shadow:0 0 8px var(--warn)}

.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink);text-decoration:none;border:1px solid var(--line);
  padding:14px 26px;transition:.25s;background:rgba(5,7,13,.5);cursor:pointer;
}
.btn:hover{border-color:var(--acc);color:var(--acc)}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#04110d}
.btn.primary:hover{background:var(--ink);border-color:var(--ink);color:#04110d}

.mouse{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  width:24px;height:38px;border:1px solid var(--dim);border-radius:12px;
}
.mouse .move{
  display:block;width:3px;height:7px;background:var(--acc);border-radius:2px;
  margin:6px auto 0;animation:wheel 1.6s ease-in-out infinite;
}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{opacity:0}}

/* ---------- sections communes ---------- */
.section{padding:clamp(70px,11vh,120px) clamp(20px,4.5vw,64px);position:relative}
.sec-title{
  font-family:var(--disp);font-weight:600;font-size:clamp(24px,4vw,40px);
  letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;
}
.sec-title::after{content:"";display:block;width:56px;height:2px;background:var(--acc);margin-top:12px}
.sub{color:var(--muted);max-width:620px;margin-bottom:40px;font-size:14px}

/* reveal au scroll */
.js-reveal .card,.js-reveal .tl-item,.js-reveal .svc,.js-reveal .stack-grid i{
  opacity:0;transform:translateY(18px);
  transition:opacity .6s cubic-bezier(.22,.61,.2,1),transform .6s cubic-bezier(.22,.61,.2,1);
}
.js-reveal .in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js-reveal .card,.js-reveal .tl-item,.js-reveal .svc,.js-reveal .stack-grid i{opacity:1;transform:none;transition:none}
}

/* ---------- about ---------- */
.bio{
  border-left:2px solid var(--acc);padding:6px 0 6px 24px;max-width:720px;margin-bottom:44px;
}
.bio p{color:var(--muted);font-size:clamp(15px,1.8vw,17px)}
.bio b{color:var(--ink)}
.tabs{max-width:760px}
.tab-links{display:flex;gap:0;border:1px solid var(--line);width:fit-content;margin-bottom:0}
.tab-link{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  background:none;border:0;border-right:1px solid var(--line);color:var(--muted);
  padding:10px 20px;cursor:pointer;transition:.2s;
}
.tab-link:last-child{border-right:0}
.tab-link.on{background:var(--acc);color:#04110d}
.tab-body{display:none;border:1px solid var(--line);border-top:0;padding:22px 26px;background:rgba(5,7,13,.6)}
.tab-body.on{display:block}
.plain{list-style:none}
.plain li{padding:7px 0;color:var(--muted);border-bottom:1px dashed var(--line-soft)}
.plain li:last-child{border-bottom:0}
.plain b{color:var(--ink);font-weight:500}

/* ---------- stack ---------- */
.stack-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
  gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);
}
.stack-grid i{
  font-style:normal;display:flex;flex-direction:column;align-items:center;gap:10px;
  background:rgba(5,7,13,.82);padding:22px 10px 18px;
  transition:background .25s;position:relative;
}
.stack-grid i:hover{background:rgba(94,234,212,.07)}
.stack-grid img{width:34px;height:34px;image-rendering:auto;filter:grayscale(1) brightness(1.6);transition:filter .25s}
.stack-grid i:hover img{filter:none}
.stack-grid b{font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.stack-grid i:hover b{color:var(--acc)}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.svc{background:rgba(5,7,13,.82);padding:28px 26px;transition:background .25s}
.svc:hover{background:rgba(129,140,248,.06)}
.svc-num{font-family:var(--disp);font-size:13px;color:transparent;-webkit-text-stroke:1px var(--acc2);letter-spacing:.1em}
.svc h3{font-family:var(--disp);font-weight:400;font-size:16px;margin:12px 0 10px;letter-spacing:.04em}
.svc p{color:var(--muted);font-size:13px}

/* ---------- carousel projets ---------- */
.carousel{display:flex;align-items:stretch;gap:14px}
.car-btn{
  flex:0 0 44px;background:none;border:1px solid var(--line);color:var(--muted);
  font-size:18px;cursor:pointer;transition:.2s;align-self:center;height:44px;
}
.car-btn:hover{color:var(--acc);border-color:var(--acc)}
.car-viewport{overflow:hidden;flex:1}
.car-track{display:flex;gap:18px;transition:transform .5s cubic-bezier(.22,.61,.2,1)}
.slide{
  flex:0 0 calc(50% - 9px);border:1px solid var(--line);background:rgba(5,7,13,.85);
  display:flex;flex-direction:column;transition:border-color .25s;position:relative;
}
.slide.wide{flex:0 0 calc(66% - 9px)}
.slide:hover{border-color:var(--acc)}
.slide-media{
  height:170px;background:
    repeating-linear-gradient(45deg,rgba(94,234,212,.04) 0 12px,transparent 12px 24px),
    #0a0f1a;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;
}
.slide-media img,.slide-media video{width:100%;height:100%;object-fit:cover;display:block}
.media-hint{color:var(--dim);font-size:11px;letter-spacing:.24em;text-transform:uppercase}
.slide-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.slide-top{display:flex;align-items:center;gap:12px}
.num{font-family:var(--disp);font-size:15px;color:transparent;-webkit-text-stroke:1px var(--acc)}
.badge{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--warn);border:1px solid rgba(240,182,74,.4);padding:3px 10px}
.badge.live{color:var(--acc);border-color:rgba(94,234,212,.4)}
.slide h3{font-family:var(--disp);font-weight:400;font-size:16.5px;letter-spacing:.03em}
.slide .role{color:var(--dim);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.slide p{color:var(--muted);font-size:13px}
.metrics{display:flex;gap:26px;margin-top:auto;padding-top:12px}
.metrics b{font-family:var(--disp);font-size:19px;color:var(--acc);display:block;line-height:1.2}
.metrics span{font-size:10px;color:var(--dim);letter-spacing:.12em;text-transform:uppercase}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:10.5px;color:var(--muted);border:1px solid var(--line);padding:3px 10px;letter-spacing:.08em}
.car-dots{display:flex;gap:8px;justify-content:center;margin-top:22px}
.car-dots button{width:26px;height:2px;background:#1c2230;border:0;cursor:pointer;transition:.25s;padding:0}
.car-dots button.on{background:var(--acc)}

/* lightbox */
#lightbox{
  position:fixed;inset:0;z-index:250;background:rgba(4,6,10,.92);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:5vw;
}
#lightbox.on{display:flex}
#lightbox .lb-box{max-width:960px;width:100%;border:1px solid var(--line);background:var(--bg)}
#lightbox .lb-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
#lightbox .lb-head b{font-family:var(--disp);font-weight:400;font-size:14px}
#lightbox .lb-close{background:none;border:0;color:var(--muted);font-size:20px;cursor:pointer}
#lightbox .lb-close:hover{color:var(--acc)}
#lightbox .lb-media{aspect-ratio:16/9;background:#0a0f1a;display:flex;align-items:center;justify-content:center;color:var(--dim);font-size:12px;letter-spacing:.2em;text-transform:uppercase}
#lightbox .lb-media img,#lightbox .lb-media video{width:100%;height:100%;object-fit:contain;display:block}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;max-width:760px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 34px 22px}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:9px;height:9px;
  background:var(--bg);border:1px solid var(--acc);transform:rotate(45deg);
}
.tl-item.now::before{background:var(--acc);box-shadow:0 0 10px var(--acc)}
.tl-item time{
  font-family:var(--disp);font-size:12px;color:var(--acc);letter-spacing:.14em;text-transform:uppercase;
}
.tl-body h3{font-size:15px;font-weight:500;margin:6px 0;letter-spacing:.02em}
.tl-body .chip{font-size:10px;color:var(--acc2);border:1px solid rgba(129,140,248,.4);padding:2px 8px;letter-spacing:.1em;vertical-align:middle}
.tl-body p{color:var(--muted);font-size:13.5px;max-width:580px}

/* ---------- contact ---------- */
#contact-form{max-width:720px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}
input,select,textarea{
  font-family:var(--mono);font-size:14px;color:var(--ink);
  background:rgba(5,7,13,.7);border:1px solid var(--line);padding:13px 15px;transition:border-color .2s;
  width:100%;border-radius:0;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
textarea{resize:vertical;grid-column:1/-1}
select option{background:var(--bg)}
#form-status{margin-top:14px;font-size:13px;min-height:1.4em}
#form-status a{color:var(--acc)}
#form-status.err{color:var(--warn)}

/* ---------- footer ---------- */
footer{
  position:relative;z-index:2;border-top:1px solid var(--line);
  padding:26px clamp(20px,4.5vw,64px);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  background:rgba(5,7,13,.85);backdrop-filter:blur(8px);
  color:var(--dim);font-size:12px;letter-spacing:.06em;
}
.foot-links{margin-left:auto;display:flex;gap:20px}
.foot-links a{color:var(--muted);text-decoration:none;transition:color .2s}
.foot-links a:hover{color:var(--acc)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .svc-grid{grid-template-columns:1fr 1fr}
  .slide,.slide.wide{flex:0 0 calc(100% - 0px)}
  .car-btn{display:none}
  .menu{
    position:fixed;inset:0;top:0;background:rgba(5,7,13,.97);backdrop-filter:blur(14px);
    flex-direction:column;align-items:center;justify-content:center;gap:34px;
    transform:translateY(-100%);transition:transform .4s cubic-bezier(.22,.61,.2,1);margin:0;
  }
  .menu.open{transform:none}
  .menu a{font-size:16px}
  .burger{display:block;position:relative;z-index:120}
}
@media (max-width:640px){
  .svc-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .stack-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  .metrics{flex-wrap:wrap;gap:14px}
  .hero{padding-top:110px}
}

/* ---------- clients row ---------- */
.clients-row{margin-top:56px}
.clients-title{color:var(--dim);font-size:11px;letter-spacing:.26em;text-transform:uppercase;margin-bottom:16px}
.clients-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.client{border:1px solid var(--line);text-decoration:none;display:block;background:rgba(5,7,13,.7);transition:border-color .25s}
.client:hover{border-color:var(--acc)}
.client img{width:100%;height:110px;object-fit:cover;object-position:top;display:block;filter:saturate(.85);transition:filter .25s}
.client:hover img{filter:none}
.client span{display:block;padding:8px 10px;font-size:10.5px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
@media (max-width:980px){.clients-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.clients-grid{grid-template-columns:1fr 1fr;gap:8px}}