/* Old Trip · étude de cas. Habillage portfolio commun : Geist, monochrome (papier clair, scène sombre).
   Idée propre au projet : un soleil couchant qui devient un vinyle. Les couleurs du groupe restent dans les planches (.plate) et les photos. */
@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:only light;
  --paper:#ececea; --ink:#121314; --muted:#5d5f64; --line:rgba(18,19,20,.14);
  --stage:#0b0c0d; --stage-ink:#ebebe8; --stage-muted:#9a9da3; --stage-line:rgba(235,235,232,.14);
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);--ease-out:cubic-bezier(.23,1,.32,1);
  --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(--paper)}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:clamp(16px, 10px + .45vw, 20px);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)}
.mono{font-family:var(--mono);font-size:clamp(12px, 9px + .22vw, 14px);letter-spacing:.01em;line-height:1.45}
.muted{color:var(--muted)}
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.line>span{display:block}
section[data-cs-theme=dark]{background:var(--stage);color:var(--stage-ink)}
section[data-cs-theme=dark] .muted{color:var(--stage-muted)}
figure{margin:0}
figcaption,.cap{margin-top:12px;color:var(--muted)}
[data-cs-theme=dark] figcaption,[data-cs-theme=dark] .cap{color:var(--stage-muted)}

.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 cubic-bezier(.23,1,.32,1)}
.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 (même système que les autres études) */
.chap{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin-bottom:clamp(40px,6vw,88px)}
.chap-n{display:flex;align-items:center;gap:12px;color:var(--muted)}
[data-cs-theme=dark] .chap-n{color:var(--stage-muted)}
.chap-n i{display:block;width:32px;height:1.5px;background:currentColor}
.chap h2{font-weight:500;font-size:clamp(36px, 18px + 3.6vw, 88px);line-height:1;letter-spacing:-.035em;max-width:14ch}
.txt{display:grid;gap:1em;max-width:36em}
.lede{font-size:clamp(19px, 13px + .7vw, 26px);line-height:1.4;letter-spacing:-.012em}
.pair{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(28px,4vw,72px);align-items:start}
@media (min-width:1100px){.pair{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}.pair.rev{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}}
section{position:relative;padding-top:var(--sec);padding-bottom:var(--sec)}
.end h2{font-weight:500;font-size:clamp(32px, 16px + 3vw, 72px);letter-spacing:-.035em;line-height:1;max-width:16ch}
.credits{display:grid;gap:12px 28px;margin-top:48px;border-top:1px solid var(--stage-line);padding-top:24px}
@media (min-width:900px){.credits{grid-template-columns:repeat(4,minmax(0,1fr))}}
.credits dt{color:var(--stage-muted)}

/* Apparitions : titres et quelques ensembles seulement */
.js .reveal-lines .line>span{transform:translateY(105%)}
.js .reveal-lines.in .line>span{transform:none;transition:transform .9s var(--ease)}
.js .reveal-lines.in .line:nth-child(2)>span{transition-delay:.08s}
/* Apparition des visuels : jamais d'un coup. Chaque bloc attend que son image soit décodée, puis monte en fondu (une fois). */
.js .rv{opacity:0;transform:translateY(28px)}
.js .rv.in{opacity:1;transform:none;transition:opacity .9s cubic-bezier(.23,1,.32,1) var(--d,0s),transform 1.1s cubic-bezier(.22,1,.36,1) var(--d,0s)}

@media (prefers-reduced-motion:reduce){.js .rv{transform:none}.js .rv.in{transition:opacity .6s ease-out}
  .js .reveal-lines .line>span{transform:none!important;transition:none!important}}


/* ── Ouverture : même modèle que les autres études (scène sombre, photo en fond qui s'efface vers le titre, métadonnées en pied) ── */
.hero{position:relative;height:100vh;height:100svh;min-height:600px;max-height:1300px;padding:0;background:var(--stage);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0 0 0 clamp(0px,22vw,440px);margin:0;z-index:1}
.hero-ph{position:absolute;inset:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 44%);mask-image:linear-gradient(90deg,transparent 0%,#000 44%)}
.hero-ph img{display:block;width:100%;height:100%;object-fit:cover;object-position:58% 50%}
.hero-ph::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,12,13,.55) 0%,rgba(11,12,13,0) 26%);pointer-events:none}
.hero-title{position:absolute;left:var(--gutter);top:46%;transform:translateY(-50%);max-width:min(40vw,600px);z-index:4}
.hero-title .kick{color:rgba(255,255,255,.56);margin:0 0 22px}
.hero-title h1{font-size:clamp(64px,8.6vw,150px);font-weight:500;letter-spacing:-.05em;line-height:.88;padding-bottom:.04em;margin:0 0 0 -.03em}
.hero-title .desc{margin:28px 0 0;font-size:clamp(17px,1.45vw,22px);line-height:1.38;color:rgba(255,255,255,.74);letter-spacing:-.01em;max-width:21em}
.hero-meta{position:absolute;left:var(--gutter);right:var(--gutter-r);bottom:calc(28px + env(safe-area-inset-bottom,0px));display:grid;grid-template-columns:1.2fr .5fr 1fr 1.2fr;gap:24px;margin:0;color:rgba(255,255,255,.86);z-index:4}
.hero-meta dt{color:rgba(255,255,255,.5);margin-bottom:4px}
.hero-meta dd{margin:0;font-size:15px;line-height:1.35}
@media (max-width:860px){
  .hero{height:auto;min-height:100svh;max-height:none;display:flex;flex-direction:column;justify-content:flex-end;padding:0 0 calc(28px + env(safe-area-inset-bottom,0px))}
  .hero-bg{inset:0 0 auto 0;height:70svh;min-height:420px}
  .hero-ph{-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 100%);mask-image:linear-gradient(180deg,#000 55%,transparent 100%)}
  .hero-ph img{object-position:56% 50%}
  .hero-ph::after{background:linear-gradient(180deg,rgba(11,12,13,.45) 0%,rgba(11,12,13,0) 20%)}
  .hero-title{position:relative;left:auto;top:auto;transform:none;max-width:none;margin-top:58svh;padding:0 var(--gutter-r) 0 var(--gutter)}
  .hero-title .kick{margin-bottom:14px}
  .hero-title h1{font-size:clamp(64px,19vw,104px)}
  .hero-title .desc{margin-top:16px;font-size:16px}
  .hero-meta{position:relative;left:auto;right:auto;bottom:auto;margin-top:28px;padding:0 var(--gutter-r) 0 var(--gutter);grid-template-columns:1fr 1fr;gap:10px 16px}
  .hero-meta dd{font-size:14px}
}
.js .hero-ph img{transform:scale(1.05);opacity:0}
.js .hero-ph.in img{transform:none;opacity:1;transition:transform 1.8s var(--ease),opacity 1s ease}
.js .hero-title>*,.js .hero-meta{opacity:0;transform:translateY(16px)}
.js .hero.in .hero-title>*,.js .hero.in .hero-meta{opacity:1;transform:none;transition:opacity .8s ease,transform 1s var(--ease)}
.js .hero.in .hero-title>:nth-child(2){transition-delay:.06s}.js .hero.in .hero-title>:nth-child(3){transition-delay:.14s}.js .hero.in .hero-meta{transition-delay:.24s}

.hero-title h1{font-size:clamp(64px,7vw,112px)}
@media (min-width:861px){
  .hero-bg{left:30vw}
  .hero-ph{-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 12%);mask-image:linear-gradient(90deg,transparent 0%,#000 12%)}
  .hero-ph img{object-position:50% 30%}
  .hero-title{max-width:27vw}
  .hero-ph::after{background:linear-gradient(0deg,rgba(11,12,13,.92) 0%,rgba(11,12,13,.6) 16%,rgba(11,12,13,0) 34%)}
  .hero-meta{grid-template-columns:1.1fr .7fr .9fr 1.6fr}
}
@media (max-width:860px){
  .hero-bg{height:min(100vw,62svh);min-height:0}
  .hero-ph img{object-position:50% 25%}
  .hero-title{margin-top:min(92vw,56svh)}
  .hero-ph::after{background:linear-gradient(180deg,rgba(11,12,13,.75) 0%,rgba(11,12,13,0) 22%)}
}
.note{max-width:30em;align-self:end}

:root{--nuit:#12143A;--creme:#F3EAD8;--rouge:#D0433C}
.hero-ph img{object-position:42% 50%}
@media (max-width:860px){.hero-ph img{object-position:40% 50%}}
.note{max-width:30em;align-self:end}

/* ── 01 · La route : mots de la recherche, planches d'origine ── */
.words{margin-top:clamp(48px,6vw,96px);max-width:58em;font-size:clamp(22px,12px + 1.6vw,44px);line-height:1.22;letter-spacing:-.025em;color:var(--muted)}
.words span{white-space:nowrap}
.words span:not(:last-child)::after{content:",";color:var(--muted)}
.words .k{color:var(--ink)}
.orig{margin-top:clamp(48px,6vw,96px);display:grid;gap:clamp(12px,1.4vw,24px);grid-template-columns:minmax(0,1fr)}
.orig figure img{width:100%;height:auto}
.orig figcaption{margin-top:10px}
@media (min-width:900px){
  .orig{grid-template-columns:repeat(12,minmax(0,1fr));align-items:start}
  .o-a{grid-column:1/8}.o-b{grid-column:8/13;margin-top:clamp(60px,8vw,140px)}
  .o-c{grid-column:1/7}.o-d{grid-column:7/13}
}
.cap-2017{margin-top:14px}

/* ── 02 · L'idée : soleil + vinyle = logo ── */
.eq{margin-top:clamp(48px,6vw,96px)}
.eq-row{display:grid;grid-template-columns:minmax(0,1fr);justify-items:center;align-items:center;gap:8px;padding:clamp(40px,6vw,96px) clamp(16px,4vw,64px);border:1px solid var(--stage-line);border-radius:4px}
@media (min-width:760px){.eq-row{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1.25fr);gap:clamp(8px,2vw,32px)}}
.eq-cell{display:grid;justify-items:center;gap:18px;width:100%}
.eq-cell .mono{color:var(--stage-muted)}
.eq-svg{display:block;height:clamp(110px,13vw,210px);width:auto;max-width:100%;color:var(--stage-ink);overflow:visible}
.eq-mark .eq-svg{height:clamp(130px,15.5vw,250px)}
.eq-cell{align-self:end}
.eq-op{font-family:var(--mono);font-size:clamp(28px,3vw,44px);color:var(--stage-muted);line-height:1}
.eq-cap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:16px}
.eq-btn,.ver-b{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 20px;border:1px solid var(--stage-line);border-radius:999px;color:var(--stage-ink);font-family:var(--mono);font-size:14px;transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .15s ease}
.eq-btn:hover{border-color:rgba(235,235,232,.5)}
.eq-btn:active,.ver-b:active{transform:scale(.98)}
.eq-btn::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--rouge)}
.eq-btn[hidden]{display:none}

/* ── 03 · Deux versions : bascule jour / nuit ── */
.ver{margin-top:clamp(48px,6vw,96px)}
.ver-switch{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px;margin-bottom:16px}
.ver-b{border-color:transparent;color:var(--muted);padding:0 22px}
.ver-b:hover{color:var(--ink)}
.ver-b[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.ver-stage{position:relative;border-radius:4px;overflow:hidden;background:#060622}
.ver-panel{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(32px,4vw,64px);align-items:end;padding:clamp(40px,7vw,120px) clamp(24px,6vw,120px);transition:opacity .5s ease}
@media (min-width:760px){.ver-panel{grid-template-columns:repeat(2,minmax(0,1fr))}}
.ver-panel figure{display:grid;justify-items:center;gap:20px}
.ver-jour{background:var(--creme);color:var(--nuit)}
.ver-jour .ver-logo{width:min(100%,420px);height:auto}
.ver-jour figcaption{color:#5b5868}
.ver-nuit{position:absolute;inset:0;background:#060622;opacity:0;pointer-events:none;padding-top:clamp(16px,3vw,48px);padding-bottom:clamp(16px,3vw,48px)}
.ver-nuit img{width:min(100%,560px);height:auto}
.ver-nuit figcaption{color:rgba(243,234,216,.6)}
.ver[data-mode=nuit] .ver-nuit{opacity:1;pointer-events:auto}
.ver[data-mode=nuit] .ver-jour{opacity:0}
@media (max-width:759px){.ver-nuit img{width:min(100%,320px)}}
.ver-note{margin-top:14px;max-width:46em}
.orig2{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(12px,1.4vw,24px);margin-top:clamp(56px,7vw,120px)}
@media (min-width:900px){.orig2{grid-template-columns:repeat(2,minmax(0,1fr))}.rv-b{margin-top:clamp(60px,8vw,140px)}}
.orig2 img{width:100%;height:auto}
@media (prefers-reduced-motion:reduce){.ver-panel{transition:none}}

/* ── 04 · En situation ── */
.apps{padding-bottom:calc(var(--sec) * .7)}
.fict{max-width:36em;margin-top:-24px;margin-bottom:clamp(40px,5vw,80px)}
.app img{width:100%;height:auto}
.app-full{margin:clamp(24px,3vw,48px) 0}
.app-full + .app-full{margin-top:clamp(48px,6vw,96px)}
.app-full img{max-height:110vh;object-fit:cover}
.app figcaption{margin-top:14px;color:var(--muted)}
.app-pair{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(16px,2vw,32px);align-items:start;margin:clamp(24px,3vw,48px) 0}
@media (min-width:900px){.app-pair{grid-template-columns:repeat(2,minmax(0,1fr))}.app-low{margin-top:clamp(80px,10vw,180px)}}

/* ── Fin ── */
.end-logo{width:clamp(120px,14vw,200px);color:var(--stage-ink);margin-bottom:clamp(40px,5vw,72px)}
.end-svg{display:block;width:100%;height:auto}
.end h2{max-width:20ch}
.end-note{margin-top:20px;max-width:32em;color:var(--stage-muted);font-size:clamp(17px,13px + .5vw,22px);line-height:1.4}