/* botfx — noir / argent / blanc. Zéro dépendance. */
@font-face{font-family:"Geist";src:url("/assets/fonts/geist-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("/assets/fonts/geist-mono-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-display:swap}

:root{
  --bg:#050506; --bg-2:#0b0b0d; --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --fg:#f5f5f6; --muted:#a3a7ae; --dim:#878b93;
  --silver:linear-gradient(180deg,#ffffff 0%,#d9dce1 38%,#8b9098 72%,#c9ccd1 100%);
  --sheen:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.85) 50%,transparent 70%);
  --r:18px; --ease:cubic-bezier(.22,1,.36,1);
  --max:1180px; --pad:clamp(20px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html[data-motion="reduced"]{scroll-behavior:auto}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.6 "Geist",ui-sans-serif,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit}
img,svg,canvas{display:block}
::selection{background:#fff;color:#000}
:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:"Geist Mono",ui-monospace,monospace;letter-spacing:.02em}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* grain */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* header */
.top{position:fixed;inset:0 0 auto;z-index:40;transition:background .4s var(--ease),border-color .4s}
.top.is-scrolled{background:rgba(5,5,6,.72);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:600;font-size:19px;letter-spacing:-.02em;text-decoration:none;display:flex;align-items:center;gap:10px}
.logo i{width:9px;height:9px;border-radius:50%;background:#fff;box-shadow:0 0 14px #fff;display:inline-block}
.nav{display:flex;gap:28px;font-size:14px}
.nav a{text-decoration:none;color:var(--muted);transition:color .25s}
.nav a:hover{color:var(--fg)}
@media (max-width:640px){.nav a:not(.nav-cta){display:none}}

/* buttons */
.btn{--mx:50%;--my:50%;position:relative;display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;
  font-weight:500;font-size:15px;text-decoration:none;border:1px solid var(--line-2);color:var(--fg);background:transparent;cursor:pointer;
  transition:transform .35s var(--ease),border-color .3s,background .3s;font-family:inherit}
.btn:hover{border-color:rgba(255,255,255,.4)}
.btn-primary{background:#fff;color:#000;border-color:#fff;overflow:hidden}
.btn-primary::before{content:"";position:absolute;inset:0;background:radial-gradient(120px circle at var(--mx) var(--my),rgba(0,0,0,.14),transparent 60%);opacity:0;transition:opacity .3s}
.btn-primary:hover::before{opacity:1}
.btn .arrow{transition:transform .35s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(5,5,6,.85) 0%,rgba(5,5,6,.35) 45%,transparent 70%),linear-gradient(180deg,transparent 72%,var(--bg) 100%)}
@media (max-width:760px){.hero::before{background:linear-gradient(180deg,transparent 0%,rgba(5,5,6,.2) 30%,rgba(5,5,6,.88) 52%,var(--bg) 100%)}}
.hero .wrap{width:100%;padding-top:96px;padding-bottom:64px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);
  border:1px solid var(--line-2);border-radius:999px;padding:7px 14px;background:rgba(255,255,255,.02)}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,255,255,.5)}50%{opacity:.6;box-shadow:0 0 0 6px rgba(255,255,255,0)}}
h1{font-size:clamp(44px,8.4vw,120px);line-height:.95;letter-spacing:-.045em;font-weight:600;margin:26px 0 22px}
@media (max-width:760px){.hero .wrap{padding-top:38svh}}
.silver,.split .silver .w>span{background-image:var(--sheen),var(--silver);background-size:320% 100%,100% 100%;background-position:160% 0,0 0;
  background-repeat:no-repeat;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 7s var(--ease) 1.6s infinite}
.split .silver{background:none;animation:none}
.split .silver .w>span{animation-delay:calc(1.6s + var(--i,0) * .09s)}
@keyframes sheen{0%{background-position:160% 0,0 0}30%,100%{background-position:-60% 0,0 0}}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:560px;margin:0 0 36px}
.lede strong{color:var(--fg);font-weight:500}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.scroll-hint{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);width:1px;height:56px;background:linear-gradient(var(--line-2),transparent);overflow:hidden}
.scroll-hint::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:#fff;animation:drip 2.2s var(--ease) infinite}
@keyframes drip{to{top:100%}}

/* intro word reveal */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.06em}
.split .w>span{display:inline-block;transform:translateY(105%);transition:transform 1s var(--ease)}
.is-in .split .w>span,.no-js .split .w>span{transform:none}

/* sections */
section{position:relative}
.sec{padding:clamp(90px,12vw,150px) 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.kicker{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
h2{font-size:clamp(34px,5vw,64px);line-height:1;letter-spacing:-.035em;font-weight:600;margin:12px 0 0;max-width:16ch}
.sec-head p{color:var(--muted);max-width:380px;margin:0}

/* offers */
.offers{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.offers .card{grid-column:span 2}
.offers .card-wide{grid-column:span 4}
.offers .card-wide h3{font-size:clamp(28px,3vw,40px)}
.card-wide p{max-width:46ch}
@media (max-width:980px){.offers{grid-template-columns:repeat(2,1fr)}.offers .card{grid-column:span 1}.offers .card-wide{grid-column:span 2}}
@media (max-width:640px){.offers{grid-template-columns:1fr}.offers .card,.offers .card-wide{grid-column:auto}}
.card{--mx:50%;--my:0%;position:relative;padding:32px 28px 30px;border-radius:var(--r);background:var(--bg-2);border:1px solid var(--line);
  overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;
  background:radial-gradient(260px circle at var(--mx) var(--my),rgba(255,255,255,.55),transparent 60%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.card::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(420px circle at var(--mx) var(--my),rgba(255,255,255,.06),transparent 60%);opacity:0;transition:opacity .4s}
.card:hover::before,.card:hover::after{opacity:1}
.card:hover{transform:translateY(-4px)}
.card .num{font-size:13px;color:var(--dim)}
.card h3{font-size:26px;letter-spacing:-.025em;margin:44px 0 12px;font-weight:600}
.card p{color:var(--muted);margin:0 0 22px;font-size:15.5px}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0}
.tags li{font-size:12.5px;color:#c9ccd1;border:1px solid var(--line-2);border-radius:999px;padding:5px 11px}
.card .glyph{position:absolute;top:26px;right:26px;width:38px;height:38px;color:#c9ccd1;opacity:.9}

/* marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:22px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:56px;width:max-content;animation:marq 38s linear infinite;color:var(--dim);font-size:15px;white-space:nowrap}
.marquee-track span{display:inline-flex;align-items:center;gap:56px}
.marquee-track span::after{content:"✦";color:#4a4e55;font-size:11px}
@keyframes marq{to{transform:translateX(-50%)}}

/* method */
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
@media (max-width:900px){.steps{grid-template-columns:1fr}}
.step{padding:30px 28px 10px 0;border-right:1px solid var(--line);margin-right:28px}
.step:last-child{border-right:0}
@media (max-width:900px){.step{border-right:0;border-bottom:1px solid var(--line);margin-right:0;padding:26px 0}}
.step .mono{color:var(--dim);font-size:13px}
.step h3{font-size:22px;margin:18px 0 8px;letter-spacing:-.02em;font-weight:600}
.step p{color:var(--muted);margin:0;font-size:15.5px}
.progress{height:1px;background:#fff;transform-origin:left;transform:scaleX(var(--p,0));margin-top:-1px}

/* contact */
.contact{text-align:center;padding:clamp(110px,14vw,180px) 0;overflow:hidden}
.contact::before{content:"";position:absolute;left:50%;top:50%;width:min(900px,120vw);aspect-ratio:1;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(255,255,255,.07),transparent 62%);pointer-events:none}
.contact h2{margin:16px auto 22px;max-width:none}
.mail{display:inline-block;font-size:clamp(30px,6.4vw,88px);font-weight:600;letter-spacing:-.045em;text-decoration:none;line-height:1.05;margin:8px 0 34px}
.mail:hover .silver{filter:brightness(1.15)}
.contact .cta-row{justify-content:center}

/* footer */
footer{border-top:1px solid var(--line);padding:30px 0 40px;color:var(--dim);font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a{text-decoration:none;color:var(--muted)}
footer a:hover{color:var(--fg)}

/* legal / content pages */
.page{padding:140px 0 100px}
.page h1{font-size:clamp(40px,6vw,76px);max-width:none;margin:16px 0 40px}
.prose{max-width:720px;color:#c4c7cd}
.prose h2{font-size:22px;letter-spacing:-.01em;margin:44px 0 10px;color:var(--fg);max-width:none}
.prose p,.prose li{font-size:16px}
.prose a{color:var(--fg)}
.prose dl{display:grid;grid-template-columns:200px 1fr;gap:6px 20px;margin:0}
.prose dt{color:var(--dim)}
.prose dd{margin:0}
@media (max-width:640px){.prose dl{grid-template-columns:1fr}.prose dd{margin-bottom:10px}}
.note{border:1px solid var(--line-2);border-radius:14px;padding:16px 18px;color:var(--muted);font-size:15px;background:rgba(255,255,255,.02)}

.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
@media (max-width:700px){.tools{grid-template-columns:1fr}}
.tool{display:block;padding:22px;border-radius:16px;border:1px solid var(--line);background:var(--bg-2);text-decoration:none;transition:border-color .3s,transform .4s var(--ease)}
.tool:hover{border-color:rgba(255,255,255,.35);transform:translateY(-3px)}
.tool b{display:flex;justify-content:space-between;font-size:18px;font-weight:600;color:var(--fg)}
.tool span{display:block;color:var(--muted);font-size:14.5px;margin-top:6px}
.tool small{color:var(--dim)}

/* reveal (only hides once JS confirmed it will reveal) */
.js [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:var(--d,0s)}
.js [data-reveal].is-in{opacity:1;transform:none}
/* déjà à l'écran au chargement : jamais semi-transparent (contraste mesurable), glissement seul */
.js .hero [data-reveal],.js [data-reveal].at-load{opacity:1;transition:transform 1s var(--ease);transition-delay:var(--d,0s)}
html[data-motion="reduced"] [data-reveal]{opacity:1!important;transform:none!important;transition:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .split .w>span{transform:none}
}

/* pause control (WCAG 2.2.2) */
html[data-motion="reduced"] *,html[data-motion="reduced"] *::before,html[data-motion="reduced"] *::after{animation-play-state:paused!important}
html[data-motion="reduced"] .sheen::after{animation:none}
.motion-toggle{display:inline-flex;align-items:center;gap:8px;background:none;border:1px solid var(--line-2);color:var(--muted);
  border-radius:999px;padding:6px 12px;font:inherit;font-size:12.5px;cursor:pointer}
.motion-toggle:hover{color:var(--fg);border-color:rgba(255,255,255,.4)}
.motion-toggle .ico{width:8px;height:10px;border-left:2px solid currentColor;border-right:2px solid currentColor}
.motion-toggle[aria-pressed="true"] .ico{border:0;border-left:8px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent;width:0;height:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.cursor-glow{position:fixed;left:0;top:0;width:460px;height:460px;margin:-230px 0 0 -230px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(255,255,255,.045),transparent 60%);transform:translate3d(var(--cx,-999px),var(--cy,-999px),0);transition:opacity .4s}
@media (hover:none){.cursor-glow{display:none}}

@media (max-width:520px){.eyebrow{font-size:10.5px;letter-spacing:.1em;white-space:nowrap}}
.steps{list-style:none;padding:0;margin:0}
.manifesto{padding-block:clamp(70px,10vw,130px)}
.scrub{font-size:clamp(28px,4.2vw,56px);line-height:1.12;letter-spacing:-.03em;font-weight:500;margin:18px 0 0;max-width:22ch}
.scrub .sw{color:#5c6067;transition:color .4s var(--ease)}
.scrub .sw.on{color:var(--fg)}
html[data-motion="reduced"] .scrub .sw,html:not(.js) .scrub .sw{color:var(--fg)}

footer nav{align-items:center}
footer .social{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line-2);border-radius:50%;transition:border-color .3s,color .3s}
footer .social:hover{border-color:rgba(255,255,255,.45)}