@charset "UTF-8";
/* Delfini Labs — IA, logiciels et data. Feuille de style unique.
   Page claire ; seul l'aperçu agrandi des captures est sombre. */
@font-face{font-family:"Space Grotesk";src:url("../fonts/SpaceGrotesk-Variable.ttf") format("truetype");font-weight:300 700;font-style:normal;font-display:swap}

:root{
  /* Couleurs des sections claires */
  --bg:#f7f6f1;--bg-2:#eeeee7;--surface:#fffefa;--surface-2:#eeefe9;
  --line:rgba(24,44,48,.14);--line-strong:rgba(24,44,48,.28);
  --text:#14242a;--text-2:#2d4146;--muted:#465b60;--dim:#596e72;
  --accent:#216459;--accent-soft:rgba(33,100,89,.10);--accent-edge:#6e9d91;
  --button-bg:#174d45;--button-ink:#ffffff;--button-glow:rgba(23,77,69,.18);
  --chip-bg:#fffefa;--focus-ring:rgba(33,100,89,.22);--shadow:0 18px 45px rgba(16,37,39,.09);
  --sans:"Space Grotesk","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono","Cascadia Code","Cascadia Mono",Consolas,"SF Mono",Menlo,monospace;
  --max:1280px;--radius:12px;--ease:cubic-bezier(.2,.7,.2,1)
}
.capture-dialog{
  /* Couleurs de l’aperçu agrandi */
  --bg:#070a12;--bg-2:#0a0f1a;--surface:#0e1522;--surface-2:#121b2b;
  --line:rgba(150,172,214,.14);--line-strong:rgba(150,172,214,.28);
  --text:#e9eef7;--text-2:#c4cddc;--muted:#9aa7bc;--dim:#6b788f;
  --accent:#5cc8ff;--accent-soft:rgba(92,200,255,.14);
  --button-bg:#5cc8ff;--button-ink:#071018;--button-glow:rgba(92,200,255,.25);
  --chip-bg:rgba(7,10,18,.8);--focus-ring:rgba(92,200,255,.18);--shadow:0 30px 80px rgba(0,0,0,.45);
  color:var(--text)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-.005em}
body.menu-open,body.capture-is-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
img,svg,canvas{display:block;max-width:100%}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{font-weight:500;line-height:1.1;letter-spacing:-.035em}
::selection{background:rgba(15,98,230,.22);color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--accent);opacity:.8}
.section{padding:120px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:end;margin-bottom:64px}
.section-head h2{font-size:clamp(37px,5.2vw,70px);letter-spacing:-.06em;line-height:.99}
.section-head h2 span{color:var(--accent);font-weight:400}
.section-head > p{color:var(--muted);font-size:17px;line-height:1.7;max-width:460px}
.skip-link{position:fixed;z-index:200;left:16px;top:-80px;background:var(--button-bg);color:var(--button-ink);padding:10px 18px;border-radius:8px;font-weight:600}
.skip-link:focus{top:12px}

/* Boutons */
.button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:0 24px;border-radius:6px;background:var(--button-bg);color:var(--button-ink);font-weight:600;font-size:15px;letter-spacing:-.01em;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;overflow:hidden;isolation:isolate}
.button:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-130%);transition:transform .7s var(--ease)}
.button:hover{transform:translateY(-2px);box-shadow:0 10px 30px var(--button-glow)}
.button:hover:after{transform:translateX(130%)}
.button svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.button:hover svg{transform:translate(2px,-2px)}
.button.ghost{background:transparent;color:var(--text);border:1px solid var(--line-strong)}
.button.ghost:hover{border-color:var(--accent);box-shadow:none;background:var(--accent-soft)}
.button.ghost:after{display:none}
.text-link{display:inline-flex;align-items:center;gap:10px;font-weight:500;color:var(--text);position:relative;padding-block:6px}
.text-link svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.text-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(.35);transform-origin:left;transition:transform .35s var(--ease)}
.text-link:hover:after{transform:scaleX(1)}
.text-link:hover svg{transform:translateY(3px)}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,241,.94);backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid var(--line)}
.header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand img{width:40px;height:44px;object-fit:contain}
.brand-name{font-size:17px;letter-spacing:.22em;line-height:1;font-weight:500}
.brand-name small{display:block;font-size:9px;letter-spacing:.5em;color:var(--muted);margin-top:6px}
.site-header nav{display:flex;align-items:center;gap:6px}
.site-header nav>a{font-size:14px;color:var(--muted);padding:10px 14px;border-radius:8px;transition:color .2s,background .2s}
.site-header nav>a:hover,.site-header nav>a:focus-visible{color:var(--accent);background:var(--accent-soft)}
.site-header nav .mobile-only{display:none}
.header-cta{min-height:42px;padding:0 18px;font-size:14px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);flex-direction:column;align-items:center;justify-content:center;gap:6px}
.menu-toggle span{width:18px;height:1.5px;background:var(--text);transition:transform .3s var(--ease),opacity .2s}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}

/* Couleurs de l’accueil, de l’approche et du contact */
.home .site-header,.journey,.approach,.home .contact,.home .site-footer{
  color-scheme:dark;
  --bg:#0b1720;--bg-2:#0e1c25;--surface:#12242c;--surface-2:#172b35;
  --line:rgba(173,207,207,.18);--line-strong:rgba(173,207,207,.32);
  --text:#f6f7ee;--text-2:#e0eae5;--muted:#b4c8c7;--dim:#a0b8ba;
  --accent:#a4e3d2;--accent-soft:rgba(164,227,210,.10);
  --button-bg:#c9f3e6;--button-ink:#102d2a;--button-glow:rgba(164,227,210,.2);
  --focus-ring:rgba(164,227,210,.25);--shadow:0 25px 60px rgba(0,0,0,.22);
  color:var(--text);
}
.home .site-header{background:rgba(11,23,32,.96)}
.home .site-header nav>a{color:var(--text-2)}
.home .header-cta{border:1px solid var(--line-strong);background:transparent;color:var(--text)}
.home .header-cta:hover{border-color:var(--accent);background:var(--accent-soft);box-shadow:none}
.home .header-cta:after{display:none}

/* Parcours d’accueil : le décor suit le défilement, les textes défilent normalement. */
.journey{
  --journey-view:calc(100vh - 80px);
  --journey-view:calc(100svh - 80px);
  --project-reveal:0;
  position:relative;
  isolation:isolate;
  overflow:clip;
  background:#081319;
}
.journey-stage{
  position:sticky;
  top:80px;
  z-index:0;
  height:var(--journey-view);
  overflow:hidden;
  background:
    radial-gradient(ellipse at 73% 50%,rgba(36,97,96,.53),transparent 48%),
    radial-gradient(ellipse at 81% 38%,#132b3b,transparent 69%),#081319;
}
.journey-stage::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(7,17,24,.93),rgba(7,17,24,.78) 25%,transparent 57%),
    linear-gradient(0deg,#081319 0%,transparent 21%);
}
.journey-stage canvas{position:absolute;inset:0;width:100%;height:100%}
.journey-still{
  position:absolute;
  width:min(47%,680px);
  height:auto;
  right:3%;
  top:50%;
  transform:translateY(-50%);
}
.journey-stage canvas[data-ready="true"] + .journey-still{display:none}
.journey-story{position:relative;margin-top:calc(-1 * var(--journey-view));pointer-events:none}
.journey-chapter{
  display:grid;
  align-content:center;
  min-height:var(--journey-view);
  padding-block:clamp(36px,6vh,88px) clamp(76px,11vh,132px);
}
.journey-copy{position:relative;max-width:min(54%,660px);pointer-events:auto}
.journey h1,.journey h2{
  font-size:clamp(48px,6.4vw,100px);
  letter-spacing:-.075em;
  line-height:.95;
  font-weight:500;
}
.journey h2{font-size:clamp(43px,5.9vw,86px)}
.journey h1 em,.journey h2 em{font-style:normal;font-weight:400;color:var(--accent)}
.journey .eyebrow{margin-bottom:20px}
.hero-intro{margin-top:24px;font-size:clamp(16px,1.45vw,20px);line-height:1.62;color:var(--muted);max-width:470px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px}
.journey-next{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:24px;
  font:11px var(--mono);
  text-transform:uppercase;
  letter-spacing:.09em;
  color:var(--muted);
}
.journey-next span{
  display:grid;
  place-items:center;
  width:32px;
  height:32px;
  border:1px solid var(--line-strong);
  border-radius:50%;
  color:var(--accent);
  font:17px var(--sans);
  transition:transform .25s var(--ease);
}
.journey-next:hover{color:var(--text)}
.journey-next:hover span{transform:translateY(3px)}
.journey-coordinate{
  position:absolute;
  z-index:2;
  inset:auto 0 19px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:11px;
  border-top:1px solid var(--line-strong);
  color:var(--muted);
  font:10px var(--mono);
  letter-spacing:.15em;
  pointer-events:none;
}
.journey-coordinate > span:first-child{display:flex;align-items:center;gap:10px}
.journey-coordinate i,.journey-preview span{width:5px;height:5px;background:var(--accent);transform:rotate(45deg)}
.journey-preview{
  position:absolute;
  z-index:1;
  top:50%;
  right:max(24px,calc((100vw - var(--max)) / 2));
  width:min(45%,610px);
  padding:6px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:#13232a;
  opacity:var(--project-reveal);
  transform:translateY(calc(-50% + (1 - var(--project-reveal)) * 36px));
  box-shadow:0 22px 70px rgba(0,0,0,.44);
  pointer-events:none;
}
.journey-preview div{display:flex;align-items:center;gap:9px;padding:5px 7px 9px;color:var(--text);font-size:13px}
.journey-preview small{margin-left:auto;color:var(--muted);font:10px var(--mono);letter-spacing:.06em;text-transform:uppercase}
.journey-preview img{width:100%;height:auto;border-radius:6px}

@media(max-width:900px){
  .journey-stage::after{
    background:linear-gradient(180deg,#081319 0%,rgba(8,19,25,.88) 21%,transparent 62%,#081319 100%);
  }
  .journey-chapter{align-content:start;padding-block:clamp(28px,6vh,58px) 46vh}
  .journey-copy{max-width:min(100%,620px)}
  .journey h1,.journey h2{font-size:clamp(42px,7.3vw,66px)}
  .journey-still{width:min(70%,430px);right:50%;top:72%;transform:translate(50%,-50%)}
  .journey-preview{width:min(82%,470px);top:73%;right:50%;transform:translate(50%,calc(-50% + (1 - var(--project-reveal)) * 25px))}
}
@media(max-width:480px){
  .journey-chapter{padding-block:28px max(135px,32vh)}
  .journey .eyebrow{font-size:10px;margin-bottom:14px}
  .journey h1,.journey h2{font-size:clamp(38px,10.5vw,51px)}
  .journey .hero-intro{margin-top:15px}
  .journey .hero-actions{margin-top:17px}
  .journey .hero-actions .button{min-height:40px;padding-inline:12px;font-size:13px}
  .journey-next{margin-top:16px;font-size:10px}
  .journey-next span{width:26px;height:26px}
}
@media(prefers-reduced-motion:reduce){
  .journey-stage{position:relative;top:auto;height:clamp(240px,53vh,540px)}
  .journey-stage::after{background:linear-gradient(0deg,#081319 0%,transparent 25%)}
  .journey-story{margin-top:0}
  .journey-chapter{min-height:0;padding-block:34px 48px;border-bottom:1px solid var(--line)}
  .journey-copy{max-width:650px}
  .journey-preview,.journey-coordinate{display:none}
  .journey-still{top:50%}
}
/* Bandeau de chiffres */
.proof{border-bottom:1px solid var(--line);background:var(--bg-2)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.proof-grid div{padding:32px 22px 33px 0;border-right:1px solid var(--line);margin-right:28px}
.proof-grid div:last-child{border-right:0;margin-right:0}
.proof-grid strong{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap;font-size:clamp(32px,3.6vw,51px);font-weight:500;letter-spacing:-.07em;line-height:.94;color:var(--text)}
.proof-grid strong small{font-size:15px;color:var(--accent);letter-spacing:0}
.proof-grid span{display:block;margin-top:10px;font-size:14px;color:var(--muted);line-height:1.5}

/* Expertises */
.expertise-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.expertise{position:relative;display:flex;flex-direction:column;padding:clamp(22px,2.4vw,34px);border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(150deg,var(--surface),var(--bg));transition:border-color .3s,transform .3s var(--ease),box-shadow .3s;overflow:hidden}
.expertise:before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-edge));opacity:0;transition:opacity .3s}
.expertise:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.expertise:hover:before{opacity:1}
.expertise-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.expertise-top .mono{color:var(--accent)}
.expertise-icon{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.expertise-icon svg{width:22px;height:22px}
.expertise h3{font-size:26px;letter-spacing:-.03em;margin-bottom:10px}
.expertise>p{color:var(--muted);line-height:1.65;margin-bottom:22px}
.expertise ul{display:grid;gap:10px;margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.expertise li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2);line-height:1.5}
.expertise li:before{content:"";flex:none;width:14px;height:1px;background:var(--accent);margin-top:11px;opacity:.8}

/* Réalisations */
#realisations{background:var(--bg-2)}
.work-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.work{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 1px 2px rgba(16,36,64,.04);overflow:hidden;transition:border-color .3s,transform .3s var(--ease),box-shadow .3s}
.work:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.work-media{position:relative;display:grid;place-items:center;aspect-ratio:16/10;overflow:hidden;background:radial-gradient(ellipse at 32% 15%,#36535b,#13272e 77%);border-bottom:1px solid var(--line);padding:clamp(10px,1.55vw,24px)}
.work-media img{width:100%;height:100%;object-fit:contain;transition:transform .8s var(--ease);filter:drop-shadow(0 8px 16px rgba(0,0,0,.25))}
.work:hover .work-media img{transform:scale(1.04)}
.work-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(12,21,38,.18));pointer-events:none}
.work-media .open{position:absolute;right:14px;bottom:14px;z-index:1;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;background:var(--chip-bg);border:1px solid var(--line-strong);font-size:12px;color:var(--text);backdrop-filter:blur(8px);opacity:0;transform:translateY(6px);transition:opacity .3s,transform .3s var(--ease)}
.work:hover .open,.work-media:focus-visible .open{opacity:1;transform:none}
.work-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.work-meta{display:flex;align-items:center;justify-content:space-between;gap:6px 12px;flex-wrap:wrap}
.work-meta .mono{color:var(--accent)}
.status{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.status i{width:6px;height:6px;border-radius:50%;background:#1fb978;box-shadow:0 0 8px rgba(31,185,120,.6)}
.status.soft i{background:var(--accent);box-shadow:0 0 8px var(--accent-soft)}
.work h3{font-size:24px;letter-spacing:-.03em}
.work p{color:var(--muted);line-height:1.65;font-size:15px}
.work-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:10px}
.work-tags li{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 10px;background:var(--surface-2)}
.work-link{margin-top:4px;font-size:14px}
.work-note{margin-top:22px;font-size:13px;color:var(--dim)}
.work-featured{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
.work-featured .work-media{border-right:1px solid var(--line);border-bottom:0;padding:clamp(14px,2.7vw,38px)}
.work-featured .work-body{padding:clamp(24px,3.4vw,52px);justify-content:center;gap:16px}
.work-featured h3{font-size:clamp(32px,4vw,56px);letter-spacing:-.07em}
.work-featured p{font-size:17px}
.work-featured .work-tags{margin-top:0}
.work-featured .work-link{align-self:flex-start}
@media(hover:none){.work-media .open{opacity:1;transform:none}}

/* Approche IA */
.approach{background:radial-gradient(ellipse at 78% 0%,#18343c,transparent 55%),var(--bg)}
.flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:64px}
.flow li{position:relative;border:1px solid var(--line);border-radius:12px;padding:22px 20px;background:var(--surface);min-height:160px;display:flex;flex-direction:column}
.flow li .mono{color:var(--accent);margin-bottom:14px}
.flow li strong{font-weight:500;font-size:17px;letter-spacing:-.02em;margin-bottom:8px;display:block}
.flow li span{font-size:13.5px;color:var(--muted);line-height:1.55}
.flow li:after{content:"";position:absolute;top:50%;right:-15px;width:16px;height:1px;background:var(--line-strong)}
.flow li:last-child:after{display:none}
.flow li.lock{border-color:var(--accent);background:linear-gradient(180deg,var(--accent-soft),var(--surface) 80%)}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.principles div{padding:28px 26px;border-right:1px solid var(--line)}
.principles div:last-child{border-right:0}
.principles .mono{margin-bottom:18px}
.principles h3{font-size:19px;letter-spacing:-.02em;margin-bottom:10px}
.principles p{font-size:14.5px;color:var(--muted);line-height:1.6}

/* Méthode */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:step}
.steps li{position:relative;padding-top:26px;border-top:1px solid var(--line)}
.steps li:before{content:"";position:absolute;top:-1px;left:0;width:48px;height:2px;background:var(--accent);transition:width .55s var(--ease)}
.steps li:hover:before{width:100%}
.steps .mono{color:var(--accent);margin-bottom:16px;display:block}
.steps h3{font-size:22px;letter-spacing:-.025em;margin-bottom:10px}
.steps p{color:var(--muted);font-size:15px;line-height:1.65}

/* À propos */
.about-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:center}
.portrait{position:relative;width:min(100%,420px);aspect-ratio:1;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.portrait img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.04)}
.portrait:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(12,21,38,.55));pointer-events:none}
.portrait figcaption{position:absolute;left:16px;bottom:16px;right:16px;display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#fff}
.about h2{font-size:clamp(32px,3.6vw,48px);letter-spacing:-.04em;margin-bottom:22px}
.about h2 span{color:var(--accent)}
.about p{color:var(--muted);font-size:17px;line-height:1.75;margin-bottom:16px;max-width:560px}
.about p strong{color:var(--text);font-weight:500}
.stack{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 30px}
.stack li{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--text-2);border:1px solid var(--line);border-radius:8px;padding:7px 11px;background:var(--surface)}
.stack-title{display:block;margin-top:30px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:start}
.faq-layout h2{font-size:clamp(32px,3.6vw,48px);letter-spacing:-.04em}
.faq-layout h2 span{color:var(--muted)}
#faq{background:var(--bg-2)}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-size:18px;font-weight:500;letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary span{flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--accent);font-weight:300;font-size:18px;transition:transform .3s var(--ease),background .3s}
.faq details[open] summary span{transform:rotate(45deg);background:var(--accent-soft)}
.faq details p{padding:0 48px 24px 0;color:var(--muted);line-height:1.7;font-size:15.5px}

/* Contact */
.contact{background:var(--bg-2)}
.contact-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:start}
.contact-copy h2{font-size:clamp(37px,5.2vw,70px);letter-spacing:-.06em;line-height:.99;margin-bottom:20px}
.contact-copy h2 span{color:var(--muted)}
.contact-copy p{color:var(--muted);font-size:17px;line-height:1.7;max-width:420px;margin-bottom:28px}
.contact-email{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:500;letter-spacing:-.02em;color:var(--text);border-bottom:1px solid var(--accent);padding-bottom:4px}
.contact-list{display:grid;gap:12px;margin-top:34px}
.contact-list li{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:14.5px}
.contact-list li i{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.contact-form{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:var(--surface);box-shadow:var(--shadow);display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:8px}
.field label{font-size:13px;color:var(--muted);font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase}
.field label span{color:var(--accent)}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line-strong);border-radius:10px;padding:13px 14px;color:var(--text);transition:border-color .2s,box-shadow .2s}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.field select option{background:var(--surface);color:var(--text)}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--focus-ring)}
.field [aria-invalid="true"]{border-color:#d83a3a}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:13px;color:var(--dim)}
.form-note a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.form-status{font-size:14px;color:var(--accent);min-height:1.4em}
.form-status.error{color:#c22f2f}
.home .contact .form-status.error{color:#ffaca6}
.home .contact .field [aria-invalid="true"]{border-color:#ffaca6}
.form-status:empty{display:none}

/* Pied de page */
.site-footer{border-top:1px solid var(--line);padding:48px 0 36px;background:var(--bg)}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:24px}
.footer-top nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-top nav a{font-size:14px;color:var(--muted);transition:color .2s}
.footer-top nav a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.footer-bottom a{color:var(--muted);margin-left:18px}
.footer-bottom a:hover{color:var(--text)}
.back-top{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--line-strong);border-radius:10px;color:var(--muted);transition:border-color .2s,color .2s}
.back-top:hover{border-color:var(--accent);color:var(--accent)}

/* Aperçu agrandi (sombre) */
.capture-dialog{width:min(1200px,calc(100vw - 32px));max-height:calc(100vh - 32px);padding:0;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.capture-dialog::backdrop{background:rgba(3,5,10,.82);backdrop-filter:blur(6px)}
.capture-dialog-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid var(--line)}
.capture-dialog-bar h2{font-size:17px;font-weight:500;letter-spacing:-.02em}
.capture-dialog-bar p{font-size:12px;color:var(--dim);font-family:var(--mono);margin-top:4px}
.capture-close{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:8px;font-size:13px}
.capture-close:hover{border-color:var(--accent)}
.capture-dialog-body{max-height:calc(100vh - 150px);overflow:auto;background:#05070c}
.capture-dialog-body img{width:100%;height:auto}
.capture-dialog-foot{display:flex;justify-content:flex-end;gap:14px;padding:12px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.capture-dialog-foot a:hover{color:var(--text)}

/* Page légale */
.legal{padding:80px 0 120px}
.legal .prose{max-width:760px}
.legal h1{font-size:clamp(34px,4vw,52px);letter-spacing:-.04em;margin-bottom:28px}
.legal h2{font-size:22px;letter-spacing:-.02em;margin:40px 0 12px;padding-top:24px;border-top:1px solid var(--line)}
.legal p,.legal li{color:var(--muted);line-height:1.75;margin-bottom:12px}
.legal ul{list-style:disc;padding-left:22px}
.legal a{color:var(--text);text-decoration:underline;text-underline-offset:3px}

/* Apparition au défilement */
.reveal{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-waiting{opacity:0;transform:translateY(22px)}
.reveal.is-waiting:focus-within{opacity:1;transform:none}


/* Écrans moyens */
@media(max-width:1060px){
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow li:after{display:none}
  .principles{grid-template-columns:1fr 1fr}
  .principles div:nth-child(2){border-right:0}
  .principles div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr;gap:36px 28px}
}
@media(max-width:900px){
  .home .site-header nav{background:var(--bg)}
  .section{padding:88px 0}
  .section-head{grid-template-columns:1fr;gap:16px;margin-bottom:44px}
  .work-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .work-featured{grid-template-columns:1fr}
  .work-featured .work-media{border-right:0;border-bottom:1px solid var(--line)}
  .work:last-child{grid-column:1/-1}
  .work:not(.work-featured):last-child{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .work:not(.work-featured):last-child .work-media{border-right:1px solid var(--line);border-bottom:0}
  .expertise-grid,.proof-grid{grid-template-columns:1fr 1fr}
  .expertise:last-child{grid-column:1/-1}
  .proof-grid div:nth-child(2){border-right:0}
  .proof-grid div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .about-layout,.faq-layout,.contact-layout{grid-template-columns:1fr;gap:40px}
  .site-header nav{position:fixed;inset:80px 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;padding:16px 24px 24px;background:rgba(246,248,252,.98);border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(16,36,64,.08);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s var(--ease),visibility 0s .25s}
  .site-header nav.is-open{opacity:1;transform:none;visibility:visible;transition-delay:0s}
  .site-header nav>a{font-size:18px;padding:14px 0;border-bottom:1px solid var(--line);border-radius:0}
  .site-header nav .mobile-only{display:block;color:var(--accent)}
  .header-cta{display:none}
  .menu-toggle{display:flex}
}
@media(max-width:640px){
  .container{width:calc(100% - 32px)}
  .hero-intro{font-size:16px}
  .expertise-grid{grid-template-columns:1fr}
  .work-grid,.work:not(.work-featured):last-child{display:flex;flex-direction:column}
  .work:not(.work-featured):last-child .work-media{border-right:0;border-bottom:1px solid var(--line)}
  .flow{grid-template-columns:1fr 1fr;gap:10px}
  .flow li{padding:18px 16px;min-height:0}
  .flow li .mono{font-size:10px;white-space:nowrap;letter-spacing:.06em}
  .principles{grid-template-columns:1fr}
  .principles div{border-right:0!important;border-bottom:1px solid var(--line)}
  .principles div:last-child{border-bottom:0}
  .steps{grid-template-columns:1fr}
  .proof-grid div{margin-right:0;padding:20px 10px 20px 0}
  .proof-grid div:nth-child(even){padding-inline:14px 0}
  .proof-grid span{font-size:13px}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:22px}
  .footer-top{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal.is-waiting{opacity:1;transform:none}
}