/* Mon Paris FM V2 · étude de cas. Peau du portfolio : Geist, noir et papier.
   Rythme : encre (contexte), papier (les planches de recherche, comme imprimées), rouge plein cadre (le trait), encre (la preuve).
   Le rouge de la radio n'apparaît que dans les travaux montrés. */
@font-face{font-family:"Geist";font-weight:400;font-display:swap;src:url(fonts/geist-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Geist";font-weight:500;font-display:swap;src:url(fonts/geist-sans-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Geist";font-weight:600;font-display:swap;src:url(fonts/geist-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Geist Mono";font-weight:400;font-display:swap;src:url(fonts/geist-mono-latin-400-normal.woff2) format("woff2")}
:root{
  color-scheme:light dark;
  --ink:#000; --paper:#e7e7e4; --white:#f5f5f3;
  --mute-d:#9b9b97; --mute-l:#55554f; --line-d:rgba(245,245,243,.16); --line-l:rgba(0,0,0,.16);
  --red:#ED1C24;
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --ease-out:cubic-bezier(.23,1,.32,1); --ease-io:cubic-bezier(.77,0,.175,1);
  --frame:1920px;
  --gutter:max(20px, env(safe-area-inset-left, 0px), calc((100vw - var(--frame)) / 2 + 20px));
  --gutter-r:max(20px, env(safe-area-inset-right, 0px), calc((100vw - var(--frame)) / 2 + 20px));
  --sec:clamp(96px, 12vw, 200px);
}
@media (min-width:861px){:root{--gutter:max(48px, calc((100vw - var(--frame)) / 2 + 48px));--gutter-r:max(64px, calc((100vw - var(--frame)) / 2 + 64px))}}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--ink)}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--ink);color:var(--white);font-family:var(--sans);font-size:clamp(16px, 11px + .4vw, 19px);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid currentColor;outline-offset:4px;border-radius:2px}
.wrap{padding-left:var(--gutter);padding-right:var(--gutter-r)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.muted{color:var(--mute-d)}
section{position:relative}
section[data-cs-theme=light]{background:var(--paper);color:var(--ink)}
section[data-cs-theme=light] .muted{color:var(--mute-l)}
figure{margin:0}
figcaption{margin-top:12px;font-size:14px;line-height:1.45;color:var(--mute-d);max-width:52ch}
[data-cs-theme=light] figcaption{color:var(--mute-l)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.mk{display:block;width:100%;height:auto;color:var(--red)}

.top{position:fixed;inset:0 0 auto;z-index:50;display:flex;justify-content:space-between;align-items:center;
  padding:calc(18px + env(safe-area-inset-top,0px)) var(--gutter-r) 18px var(--gutter);color:#fff;mix-blend-mode:difference;pointer-events:none;transition:transform .5s var(--ease-out)}
.cs-on .top{transform:translateY(-110%)}
.top a{pointer-events:auto;text-decoration:none}
.top .name{font-weight:500;font-size:15px;letter-spacing:-.01em}
.top nav{display:flex;gap:28px;font-size:14px}
@media (max-width:560px){.top nav{gap:16px;font-size:13px}}

/* Titres de chapitre : le numéro est la vraie séquence du récit (01 à 05) */
.chap{display:grid;gap:20px}
.chap-n{display:flex;align-items:baseline;gap:14px;font-size:15px;color:var(--mute-d)}
[data-cs-theme=light] .chap-n{color:var(--mute-l)}
.chap-n .num{font-size:13px}
.chap h2,.air-title h2{font-weight:500;font-size:clamp(40px, 14px + 5.2vw, 124px);line-height:.95;letter-spacing:-.045em}
.lede{font-size:clamp(20px, 13px + .8vw, 30px);line-height:1.32;letter-spacing:-.015em}
.line{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.line>span{display:block}
.js .reveal-lines .line>span{transform:translateY(105%)}
.js .reveal-lines.in .line>span{transform:none;transition:transform .9s var(--ease-out)}
.js .reveal-lines.in .line:nth-child(2)>span{transition-delay:.07s}

/* ── Ouverture ── */
.hero{min-height:100svh;display:grid;align-items:end;padding:120px var(--gutter-r) clamp(32px,5vw,72px) var(--gutter);overflow:hidden}
.hero-mark{position:absolute;right:var(--gutter-r);top:50%;height:min(86svh, 64vw);aspect-ratio:194/244;transform:translateY(-50%)}
.hero-mark svg{width:100%;height:100%}
.hero-text{position:relative;display:grid;gap:18px;max-width:min(58vw, 900px)}
.hero-kind{font-size:15px;color:var(--mute-d)}
.hero h1{font-weight:500;font-size:clamp(64px, 9.6vw, 200px);line-height:.84;letter-spacing:-.06em;max-width:6ch}
.hero-desc{font-size:clamp(18px, 12px + .6vw, 24px);line-height:1.35;letter-spacing:-.01em;max-width:30ch;color:#d7d7d3}
@media (max-width:860px){
  .hero{align-items:end;padding-top:96px}
  .hero-mark{top:88px;right:var(--gutter-r);height:auto;width:min(72vw, 52svh * .795);transform:none}
  .hero-text{max-width:none}
  .hero h1{font-size:clamp(56px, 17vw, 120px)}
}

/* ── 01 · Contexte ── */
.ctx{padding:var(--sec) 0}
.ctx-grid{display:grid;gap:clamp(36px,5vw,72px)}
.ctx-body{display:grid;gap:1.1em;max-width:40em}
.ctx-body .muted{font-size:16px}
.tl{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line-d)}
.tl li{display:grid;gap:8px;padding:18px 20px 0 0;position:relative}
.tl li::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--white)}
.tl time{font-family:var(--mono);font-size:13px;color:var(--mute-d)}
.tl span{font-size:16px;line-height:1.4}
@media (min-width:1100px){.ctx-grid{grid-template-columns:minmax(0,6fr) minmax(0,5fr);align-items:end}.tl{grid-column:1/-1}}
@media (max-width:860px){.tl{grid-template-columns:minmax(0,1fr);border-top:0;border-left:1px solid var(--line-d);gap:22px}.tl li{padding:0 0 0 20px}.tl li::before{top:6px;left:-4px}}

/* ── 02 · La recherche ── */
.sch{padding-top:var(--sec)}
.sch-head{display:grid;gap:clamp(28px,4vw,56px);margin-bottom:clamp(40px,5vw,72px)}
.sch-intro{display:grid;gap:.9em;max-width:44em;font-size:17px}
.if-touch{display:none}
@media (max-width:860px){.tuning .if-touch{display:block}}
@media (min-width:1100px){.sch-head{grid-template-columns:minmax(0,6fr) minmax(0,5fr);align-items:end}}

/* Le poste : visible seulement avec l'animation. Sinon, les planches statiques. */
.tuner{display:none}
.static-boards{display:grid;gap:clamp(56px,7vw,112px);padding-bottom:var(--sec)}
.tuning .tuner{display:grid}
.tuning .static-boards{display:none}
.bo h3{font-weight:500;font-size:clamp(36px,5vw,72px);letter-spacing:-.04em;line-height:1;margin-bottom:16px}
.bo p{max-width:56ch;font-size:16px;margin-bottom:6px}
.bo p b{font-weight:500}
.bo-l{color:var(--mute-l)}
.bo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,42vw),1fr));gap:clamp(16px,2vw,32px);margin-top:28px}
.bo-grid img{width:100%;aspect-ratio:4/3;object-fit:contain;padding:6%}

.tuner{--last:25;position:relative;height:100svh;grid-template-rows:minmax(0,1fr) auto auto auto;
  padding:clamp(56px,7svh,72px) var(--gutter-r) clamp(18px,3svh,32px) var(--gutter);overflow:hidden;outline:none}
.tu-top{position:absolute;z-index:2;top:clamp(64px,8svh,84px);left:var(--gutter);right:var(--gutter-r);display:flex;align-items:flex-start;gap:24px;pointer-events:none}
.tu-top>*{pointer-events:auto}
.tu-count{display:flex;white-space:nowrap;align-items:baseline;gap:8px;order:2;margin-left:auto;font-family:var(--mono);font-variant-numeric:tabular-nums}
.tu-count b{font-weight:400;font-size:clamp(28px,3vw,44px);letter-spacing:-.04em;line-height:1}
.tu-count span{font-size:14px;color:var(--mute-l)}
.tu-count.fin b{font-family:var(--sans);font-weight:500;letter-spacing:-.03em}
.tu-hint{font-size:15px;color:var(--mute-l);max-width:34ch;transition:opacity .4s var(--ease-out)}
.tu-hint.gone{opacity:0}
.tu-ctl{display:flex;gap:8px;order:3}
.tu-btn{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line-l);border-radius:50%;transition:background-color .2s ease,border-color .2s ease}
.tu-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tu-btn:disabled{opacity:.3;cursor:default}
@media (hover:hover) and (pointer:fine){.tu-btn:not(:disabled):hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}}
.tu-btn:active:not(:disabled){transform:scale(.96)}

.tu-stage{position:relative;min-height:0;margin:clamp(8px,2svh,24px) calc(-1 * var(--gutter-r)) 0 calc(-1 * var(--gutter))}
.tu-track{position:absolute;left:0;top:0;bottom:0;display:flex;gap:var(--gap);will-change:transform;--sw:min(40vw, 92svh);--gap:4vw}
.st{position:relative;flex:0 0 var(--sw);height:100%;will-change:transform,opacity}
.st img{position:absolute;inset:0;margin:auto;max-height:96%;max-width:min(100%, calc(var(--nw) * 1.5));width:auto;height:auto}
.st-final{display:flex;align-items:center;justify-content:center}
.st-final .st-logo{height:86%;width:auto;color:var(--red)}
.tu-cap{text-align:center;font-size:14px;color:var(--mute-l);min-height:2.9em;margin-top:10px;padding:0 10vw;transition:opacity .18s ease}
.tu-info{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(20px,3vw,48px);align-items:end;margin-top:clamp(6px,1.5svh,16px);transition:opacity .18s ease}
.tu-swap .tu-info,.tu-swap .tu-cap{opacity:0;transition-duration:0s}
.tu-name{font-weight:500;font-size:clamp(44px, 20px + 4vw, 112px);line-height:.88;letter-spacing:-.05em}
.tu-notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;font-size:15px;line-height:1.45}
.tu-notes dt{font-size:13px;color:var(--mute-l);margin-bottom:4px}
.tu-dial{margin-top:clamp(14px,2.6svh,28px)}
.tu-ruler{position:relative;height:30px;margin:0 0 0;border-bottom:1px solid var(--ink)}
.tk{position:absolute;bottom:0;left:calc(var(--i) / var(--last) * 100%);width:1px;height:10px;background:var(--ink);opacity:.45;transform:translateX(-50%)}
.tk.f0{height:18px;opacity:.9}
.tk-final{height:26px;width:2px;opacity:1}
.tk.cur{opacity:1;height:22px}
.tu-needle{position:absolute;left:0;bottom:-8px;width:2px;height:40px;background:var(--ink);transform:translateX(-50%);will-change:transform}
.tu-needle::after{content:"";position:absolute;left:50%;top:-6px;width:10px;height:10px;border-radius:50%;background:var(--ink);transform:translateX(-50%)}
.tu-bands{position:relative;height:48px;margin-top:8px}
.bd{position:absolute;top:0;height:44px;left:calc(var(--a) / var(--last) * 100%);width:calc((var(--b) - var(--a)) / var(--last) * 100%);min-width:44px;
  display:flex;align-items:flex-start;gap:8px;padding-top:10px;text-align:left;border-top:2px solid rgba(0,0,0,.18);color:var(--mute-l);font-size:15px;transition:color .2s ease,border-color .2s ease}
.bd i{font-style:normal;font-family:var(--mono);font-size:12px;padding-top:2px}
.bd.on{border-top-color:var(--ink);color:var(--ink)}
.bd-final{left:auto;right:0;width:auto;justify-content:flex-end;border-top-color:transparent}
.bd-final.on{border-top-color:transparent}
@media (hover:hover) and (pointer:fine){.bd:hover{color:var(--ink)}}
@media (max-width:860px){
  .tu-track{--sw:72vw;--gap:5vw}
  .tu-stage{margin-top:56px}
  .tu-hint{display:none}
  .tu-info{grid-template-columns:minmax(0,1fr);gap:10px}
  .tu-notes{grid-template-columns:minmax(0,1fr);gap:8px;font-size:14px}
  .tu-notes div:first-child dd{color:var(--mute-l)}
  .tu-notes dt{display:none}
  .tu-cap{padding:0;font-size:13px;min-height:2.8em}
  .bd{font-size:14px;gap:5px}
  .bd i{display:none}
}
@media (max-width:860px) and (max-height:700px){.tu-notes div:first-child{display:none}.tu-name{font-size:40px}}

/* ── 03 · Le trait : la caméra entre dans le signe ── */
.trait{background:var(--paper);color:var(--ink)}
.tr-stage{position:relative;height:100svh;overflow:hidden}
.rv-svg{position:absolute;inset:0;width:100%;height:100%;color:var(--red)}
.rv-svg .gd{color:var(--ink);stroke-width:1;opacity:0}
.rv-svg .gd-c{stroke-dasharray:3 4}
.tr-steps{list-style:none;position:absolute;left:var(--gutter);bottom:clamp(28px,6svh,72px);width:min(32ch, calc(100vw - var(--gutter) - var(--gutter-r)));font-size:clamp(17px,12px + .5vw,21px);line-height:1.4}
.tr-s{position:absolute;left:0;bottom:0;width:100%;display:grid;gap:8px;padding:14px 16px 16px;background:var(--paper);opacity:0;transform:translateY(8px);transition:opacity .25s ease,transform .25s var(--ease-out)}
.tr-s.cur{opacity:1;transform:none}
.tr-s .num{font-size:13px}
.tr-s b{font-weight:600}
/* sans animation : le logo entier avec ses repères, puis les quatre temps en liste */
.trait:not(.on) .tr-stage{height:auto;padding:var(--sec) var(--gutter-r) var(--sec) var(--gutter);display:grid;gap:48px}
.trait:not(.on) .rv-svg{position:relative;height:70svh}
.trait:not(.on) .rv-svg .gd{opacity:.5}
.trait:not(.on) .tr-steps{position:static;width:auto;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.trait:not(.on) .tr-s{position:static;opacity:1;transform:none;padding:0;background:none}


/* ── 04 · Le choix ── */
.cho{padding:var(--sec) 0}
.cho .wrap{display:grid;gap:clamp(40px,5vw,80px)}
.cho-lede{display:grid;gap:1em;max-width:40em}
.cho-lede .muted{font-size:16px}
@media (min-width:1100px){.cho .wrap{grid-template-columns:minmax(0,6fr) minmax(0,5fr);align-items:end}.shrink,.cho-tests,.note{grid-column:1/-1}}
.shrink{display:grid;border-bottom:1px solid var(--line-l)}
.sh-row{display:grid;grid-template-columns:minmax(80px,2fr) 3fr 1.6fr 1fr;align-items:center;gap:clamp(12px,2vw,32px);padding:18px 0;border-top:1px solid var(--line-l)}
.sh-head{padding:10px 0;font-family:var(--mono);font-size:12px;color:var(--mute-l)}
.sh-n{font-size:15px}
.sh-win .sh-n{font-weight:500}
.sh-c{display:flex;align-items:center;height:120px}
.sh-c .sh-img,.sh-c .sh-logo{height:var(--h);width:auto;max-width:none}
.sh-logo{color:var(--red)}
.cho-tests{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,3fr);gap:clamp(12px,1.6vw,24px)}
.ct-box{display:grid;place-items:center;aspect-ratio:4/5;padding:16%}
.ct-mono .ct-box{background:var(--white)}
.ct-mono .mk{color:var(--ink);max-height:100%;width:auto}
.ct-neg .ct-box{background:var(--red)}
.ct-neg .mk{color:var(--white);max-height:100%;width:auto}
.ct-fav .ct-box{background:var(--ink);padding:10%}
.fav-row{display:flex;align-items:flex-end;gap:clamp(10px,1.4vw,20px);flex-wrap:wrap;justify-content:center}
.fv{display:grid;justify-items:center;gap:8px;color:var(--red)}
.fv-svg{width:var(--s);height:var(--s);display:block}
.fv i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--mute-d)}
.note{font-size:14px;color:var(--mute-l)}
@media (max-width:860px){
  .cho-tests{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .ct-fav{grid-column:1/-1}.ct-fav .ct-box{aspect-ratio:auto;padding:36px 16px}
  .sh-row{grid-template-columns:minmax(64px,1.2fr) 3fr 1.4fr 1fr}
  .sh-c{height:96px}
  .sh-c[style*="120px"] .sh-img,.sh-c[style*="120px"] .sh-logo{height:88px}
}

/* ── 05 · À l'antenne ── */
.air{background:var(--ink);padding-bottom:var(--sec)}
.air-pin{position:relative;height:100svh;overflow:hidden}
.air-photo{position:absolute;inset:0;overflow:hidden}
.air-ph{position:absolute;left:50%;top:50%;width:max(100vw, 100svh * 1.5004);aspect-ratio:2048/1365;transform:translate(-50%,-50%)}
.air-ph img{width:100%;height:100%;object-fit:cover}
.air-ring{position:absolute;left:72.4%;top:29.8%;width:9.6%;aspect-ratio:1;border:2px solid var(--white);border-radius:50%;transform:translate(-50%,-50%);opacity:0}
.air-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(0,0,0,.72), rgba(0,0,0,.08) 55%);pointer-events:none}
.air-title{position:absolute;left:0;right:0;bottom:clamp(28px,6svh,72px);display:grid;gap:16px;color:var(--white)}
.air-title .chap-n{color:#cfcfcb}
.air-title h2{max-width:10ch}
.air-cap{margin-top:20px;font-size:14px;color:var(--mute-d);max-width:72ch}
.air-more{display:grid;gap:clamp(40px,5vw,72px);margin-top:clamp(64px,8vw,128px)}
.site-shot{background:#fff;padding:clamp(10px,2vw,28px) 0;overflow:hidden}
.site-shot img{width:100%}
@media (min-width:1000px){.air-more{grid-template-columns:minmax(0,7fr) minmax(0,4fr);align-items:start}}
@media (max-width:700px){.site-shot img{width:260%;max-width:none;margin-left:-80%}}
.on-air .air-ring{opacity:1}

/* ── Fin ── */
.end{padding:var(--sec) 0}
.end-grid{display:grid;gap:clamp(32px,4vw,56px);align-items:end}
.end-logo{width:clamp(110px,14vw,200px)}
.end h2{font-weight:500;font-size:clamp(36px, 14px + 4vw, 104px);line-height:.95;letter-spacing:-.045em;max-width:12ch}
.end-note{margin-top:20px;max-width:36ch;color:#d7d7d3}
.credits{display:grid;gap:14px 28px;border-top:1px solid var(--line-d);padding-top:24px;font-size:15px}
.credits dt{color:var(--mute-d);font-size:13px;margin-bottom:2px}
@media (min-width:1000px){.end-grid{grid-template-columns:auto minmax(0,1fr)}.credits{grid-column:1/-1;grid-template-columns:repeat(4,minmax(0,1fr))}}

@media (prefers-reduced-motion:reduce){
  .js .reveal-lines .line>span{transform:none!important;transition:none!important}
  .tu-hint,.tr-s{transition:none}
}