/* Mathieu Tretica - homepage v5 « Gravité ». Feuille autonome de la page d'accueil ;
   les pages de cas gardent site-v4-1.css. Les tâches ont un poids, puis une place. */
@font-face{font-family:'Manrope';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/manrope-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/space-grotesk-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/space-grotesk-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#111310;--ink-2:#171915;--ink-3:#1e211b;
  --paper:#f1efe7;--paper-dim:#b9b8ae;--muted:#8d9085;
  --signal:#c8ff35;--violet:#b9a8ff;--orange:#ff8a4c;
  --line:rgba(241,239,231,.13);--line-strong:rgba(241,239,231,.26);
  --head:'Space Grotesk',Arial,sans-serif;--body:'Manrope',Arial,sans-serif;
  --ease-out:cubic-bezier(.22,1,.36,1);
  --gutter:clamp(20px,4vw,56px);--max:1400px;--nav-h:76px;
  --tile-fs:clamp(1rem,1.45vw,1.36rem);--pile-scale:1.22;--floor:18px;
}
*{box-sizing:border-box}
html{scroll-padding-top:96px;-webkit-text-size-adjust:100%;background:var(--ink)}
body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--body);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
h1,h2,h3{font-family:var(--head);font-weight:500;letter-spacing:-.05em;line-height:1.02;margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img{max-width:100%;height:auto;display:block}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--signal);outline-offset:5px;border-radius:4px}
::selection{background:var(--signal);color:var(--ink)}
.shell{width:min(100% - 2*var(--gutter),var(--max));margin-inline:auto}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.skip-link{position:fixed;top:12px;left:12px;z-index:200;transform:translateY(-160%);background:var(--paper);color:var(--ink);padding:12px 18px;border-radius:6px}
.skip-link:focus{transform:none}
#main-content{display:block;height:0;outline:0}
.kicker,.section-index{font-family:var(--head);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-dim);margin:0}
.plain-label{display:block;font-size:.9rem;color:var(--paper-dim);margin-bottom:16px}

/* ---------- En-tête ---------- */
.topbar{position:sticky;top:0;z-index:60;background:rgba(17,19,16,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--head);font-weight:500;font-size:1.06rem;letter-spacing:-.02em;margin-right:auto;white-space:nowrap;min-height:44px}
.logo-mark{font-size:1.5rem;letter-spacing:-.12em;color:var(--signal);line-height:1}
.logo-mark span{color:var(--paper)}
.nav-links{display:flex;gap:30px;font-size:.95rem;color:var(--paper-dim)}
.nav-links a{padding:10px 0;transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--paper)}
.nav-cta{display:inline-flex;align-items:center;gap:14px;padding:11px 18px 11px 20px;border:1px solid var(--line-strong);border-radius:999px;font-size:.95rem;white-space:nowrap;transition:background .2s,color .2s}
.nav-cta:hover{background:var(--paper);color:var(--ink)}
.menu-toggle{display:none;gap:8px;align-items:center;background:none;border:1px solid var(--line-strong);border-radius:999px;padding:10px 16px;min-height:44px;font-size:.95rem;white-space:nowrap}

.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:56px;padding:0 22px 0 24px;border:0;border-radius:8px;font-weight:700;font-size:1rem;transition:transform .25s var(--ease-out),box-shadow .25s}
.btn-primary{background:var(--signal);color:var(--ink);box-shadow:0 12px 40px -14px rgba(200,255,53,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px -12px rgba(200,255,53,.7)}
.btn .arrow{font-size:1.2rem}
.text-link{display:inline-flex;align-items:center;min-height:48px;color:var(--paper);border-bottom:1px solid var(--line-strong)}
.text-link:hover{border-bottom-color:currentColor}

/* ---------- Scène : hero + tri partagent un seul repère ---------- */
.story{position:relative;overflow:hidden}
.hero{position:relative;min-height:clamp(600px,calc(100svh - var(--nav-h)),860px);display:flex}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(52% 60% at 80% 78%,rgba(200,255,53,.10),transparent 70%),radial-gradient(40% 45% at 6% 0%,rgba(185,168,255,.07),transparent 70%),
  repeating-linear-gradient(90deg,transparent 0 calc(100%/12 - 1px),rgba(241,239,231,.03) calc(100%/12 - 1px) calc(100%/12))}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:clamp(24px,4vw,64px);width:min(100% - 2*var(--gutter),var(--max))}
.hero-text{align-self:center;padding:clamp(40px,6vh,72px) 0 clamp(40px,7vh,80px);position:relative;z-index:6}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--head);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-dim);margin:0 0 28px}
.eyebrow::before{content:'';width:10px;height:10px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 5px rgba(200,255,53,.14)}
.hero h1{font-size:clamp(2.55rem,5.2vw,5.3rem);line-height:.97;letter-spacing:-.058em}
.hero h1 .line{display:block}
.hero h1 .signal{color:var(--signal)}
.hero-copy{max-width:43ch;margin:30px 0 36px;font-size:clamp(1.02rem,1.2vw,1.14rem);color:var(--paper-dim);line-height:1.7}
.hero-copy p{margin:0}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 30px}

.pile-col{position:relative;display:flex;flex-direction:column;padding:clamp(28px,5vh,56px) 0 0}
.pile-foot{position:relative;z-index:6;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding-left:12px;border-bottom:1px solid var(--line)}
.pile-caption{margin:0;font-size:.84rem;color:var(--muted)}
.pile-hint{display:none;color:var(--signal)}
.motion-toggle{display:inline-flex;align-items:center;gap:9px;min-height:40px;padding:8px 14px;border:1px solid var(--line-strong);border-radius:999px;background:transparent;font:500 .78rem var(--head);color:var(--paper-dim);white-space:nowrap}
.motion-toggle[hidden]{display:none}
.motion-toggle:hover{border-color:var(--signal);color:var(--paper)}
.motion-toggle-icon{display:flex;gap:3px}
.motion-toggle-icon i{width:3px;height:11px;border-radius:1px;background:var(--signal)}
.motion-toggle[aria-pressed=true] .motion-toggle-icon i:first-child{width:0;height:0;border-left:9px solid var(--signal);border-top:6px solid transparent;border-bottom:6px solid transparent;background:none;border-radius:0}
.motion-toggle[aria-pressed=true] .motion-toggle-icon i:last-child{display:none}

/* La pile : une boîte avec un sol gradué, un plafond sous la légende */
.pile{position:relative;flex:1;min-height:440px}
.pile::after{content:'';position:absolute;left:0;right:0;bottom:var(--floor);height:9px;border-top:1px solid var(--line-strong);
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 24px) top/100% 6px no-repeat}
.pile-ruler{position:absolute;top:0;bottom:var(--floor);left:0;width:8px;border-left:1px solid var(--line);
  background:repeating-linear-gradient(180deg,var(--line) 0 1px,transparent 1px 24px) left/6px 100% no-repeat}
.pile-heap{position:absolute;left:12px;right:0;bottom:calc(var(--floor) + 2px);display:flex;flex-wrap:wrap-reverse;justify-content:center;align-items:flex-end;gap:0 2px}
.pile-heap .tile{font-size:calc(var(--tile-fs)*var(--pile-scale));transform:rotate(var(--r));margin:-3px 0}

/* Les tâches : des pastilles pleines, le rayon est celui de la capsule physique */
.tile{display:inline-flex;align-items:center;gap:.5em;padding:.52em .92em .56em .8em;border-radius:999px;
  font-family:var(--head);font-weight:500;font-size:var(--tile-fs);line-height:1;letter-spacing:-.03em;white-space:nowrap;color:var(--ink);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55),inset 0 -3px 0 rgba(0,0,0,.16),0 22px 30px -20px rgba(0,0,0,.9);user-select:none;-webkit-user-select:none}
.tile::before{content:'';flex:none;width:.36em;height:.36em;border-radius:50%;background:currentColor;opacity:.82}
.tile--tool{background:var(--paper)}
.tile--ia{background:var(--violet)}
.tile--team{background:var(--signal)}

.tiles-layer{position:absolute;inset:0;z-index:5;pointer-events:none}
.tiles-layer .tile{position:absolute;left:0;top:0;transform-origin:50% 50%;will-change:transform;backface-visibility:hidden}
.tiles-layer .tile.is-hidden{visibility:hidden}
.is-grabbable .tiles-layer .tile{pointer-events:auto;cursor:grab;touch-action:pan-y}
@media (pointer:fine){.is-grabbable .tiles-layer .tile{touch-action:none}.is-grabbable .pile-hint{display:inline}}
.tiles-layer .tile.is-grabbed{cursor:grabbing;filter:brightness(1.06)}
.is-sorting .pile-hint{display:none}

/* ---------- Le tri ---------- */
.sort{position:relative;border-top:1px solid var(--line);padding:clamp(80px,9vw,140px) 0 clamp(72px,8vw,112px)}
/* Colonne droite vide : c'est le couloir de vol des tâches. Rien d'écrit n'y est placé. */
.sort-head{position:relative;z-index:6;display:grid;gap:22px;max-width:min(46%,680px);margin-bottom:clamp(48px,6vw,88px)}
.sort-head h2{font-size:clamp(2.4rem,4.9vw,4.8rem);letter-spacing:-.058em}
.sort-lede{margin:0;font-family:var(--head);font-size:clamp(1.25rem,2vw,1.75rem);line-height:1.25;letter-spacing:-.03em;max-width:24ch;color:var(--paper)}

.lanes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line-strong)}
.lane{position:relative;display:grid;grid-template-areas:"slots" "tag";padding:26px clamp(18px,2.2vw,32px) 22px;border-left:1px solid var(--line)}
.lane:first-child{border-left:0;padding-left:0}
.lane .slots{grid-area:slots}
.lane-tag{grid-area:tag;position:relative;z-index:6;display:flex;gap:10px;align-items:baseline;margin:22px 0 0;font-family:var(--head);font-size:.84rem;letter-spacing:.12em;text-transform:uppercase;color:var(--paper-dim)}
.lane-tag span{color:var(--muted);transition:color .6s}
.lane.is-filled .lane-tag span{color:var(--paper)}
.slots{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.slot{display:block;position:relative;border-radius:999px}
.slot::before{content:'';position:absolute;inset:0;border-radius:inherit;border:1px dashed var(--line-strong);opacity:0;transition:opacity .4s}
.lane-rule{position:absolute;left:0;right:clamp(18px,2.2vw,32px);bottom:0;height:3px;border-radius:3px;transform-origin:left;transition:transform 1s var(--ease-out)}
.lane:not(:first-child) .lane-rule{left:clamp(18px,2.2vw,32px)}
.lane--tool .lane-rule{background:var(--paper)}
.lane--ia .lane-rule{background:var(--violet)}
.lane--team .lane-rule{background:var(--signal)}

.roles{position:relative;z-index:6;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.role{padding:30px clamp(18px,2.2vw,32px) 0;border-left:1px solid var(--line)}
.role:first-child{border-left:0;padding-left:0}
.role h3{font-size:clamp(1.35rem,1.9vw,1.75rem);letter-spacing:-.04em;margin-bottom:12px}
.role p{color:var(--paper-dim);max-width:34ch;margin:0}
.illustrative{position:relative;z-index:6;display:flex;gap:10px;align-items:baseline;margin:40px 0 0;font-size:.86rem;color:var(--muted)}
.illustrative span{color:var(--orange);font-size:.7em}

/* États du mouvement. .gravity-armed : le moteur est présent et va jouer. .gravity-live : il joue.
   Filet de sécurité : si le script ne s'exécute pas, tout redevient visible après 3 s. */
.js:not(.gravity-armed):not(.gravity-off):not([data-motion]) .pile-heap,
.js:not(.gravity-armed):not(.gravity-off):not([data-motion]) .slot .tile{opacity:0;animation:failsafe 0s 3s forwards}
.js:not(.gravity-armed):not(.gravity-off):not([data-motion]) .lane-rule{transform:scaleX(0);animation:failsafe-rule 0s 3s forwards}
.gravity-armed .pile-heap{opacity:0}
.gravity-armed .slot:not(.is-landed) .tile{opacity:0}
.gravity-live .slot:not(.is-landed)::before{opacity:1}
.gravity-armed .lane:not(.is-filled) .lane-rule{transform:scaleX(0)}
@keyframes failsafe{to{opacity:1}}
@keyframes failsafe-rule{to{transform:scaleX(1)}}

/* ---------- Sections suivantes ---------- */
.section{position:relative;padding:clamp(88px,10vw,150px) 0}
.sec-head{position:relative;display:grid;grid-template-columns:minmax(150px,.3fr) minmax(0,1fr);gap:18px clamp(24px,4vw,64px);align-items:start;padding-top:28px;margin-bottom:clamp(44px,6vw,80px)}
.sec-head::before{content:'';position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
.sec-rule{position:absolute;left:0;top:-1px;height:3px;width:min(260px,30%);background:var(--signal);border-radius:3px;transform-origin:left;transform:scaleX(var(--p,1))}
.sec-head .section-index{padding-top:.9em}
.sec-head h2{grid-column:2;font-size:clamp(2.3rem,4.6vw,4.4rem);letter-spacing:-.058em}
.sec-head p{grid-column:2;color:var(--paper-dim);max-width:48ch;margin:0;font-size:1.05rem}

/* Profils */
.audiences{padding-top:clamp(40px,5vw,72px)}
.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.audience{position:relative;padding:clamp(28px,3.4vw,48px);border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,var(--ink-2),var(--ink))}
.audience--agence{border-color:rgba(185,168,255,.32)}
.audience h3{font-size:clamp(1.8rem,2.8vw,2.6rem);letter-spacing:-.05em;max-width:17ch;margin-bottom:18px}
.audience p{color:var(--paper-dim);max-width:40ch}
.audience-links a{display:inline-flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;min-height:44px;padding:10px 0;color:var(--signal);border-bottom:1px solid rgba(200,255,53,.4)}
.audience-links small{color:var(--paper-dim);font-size:.82rem}

/* Réalisations : la preuve d'abord, grande */
.project{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(28px,4vw,64px);align-items:center;padding:clamp(28px,3vw,40px) 0;border-top:1px solid var(--line)}
.project + .project{margin-top:clamp(24px,3vw,40px)}
.project--alt{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr)}
.project--alt .case-exhibit{order:2}
.case-exhibit{position:relative;margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--ink-2)}
.case-exhibit-proof img{width:100%;background:#fff}
.exhibit-caption{margin:0;padding:12px 16px;font-size:.84rem;color:var(--paper-dim);border-top:1px solid var(--line)}
.case-exhibit-type{display:grid;align-content:space-between;min-height:320px;padding:clamp(24px,3vw,40px);background:radial-gradient(70% 90% at 90% 50%,rgba(185,168,255,.14),transparent 70%),var(--ink-2)}
.case-exhibit-type strong{font-family:var(--head);font-weight:500;font-size:clamp(2rem,3.6vw,3.3rem);line-height:1;letter-spacing:-.055em}
.merge{width:min(100%,380px);height:auto;margin-bottom:28px;overflow:visible}
.merge path{fill:none;stroke-width:1.6;stroke-linecap:round}
.merge-in path{stroke:var(--paper-dim)}
.merge-out{stroke:var(--violet);stroke-width:5!important}
.project-copy h3{font-size:clamp(1.8rem,2.6vw,2.5rem);letter-spacing:-.05em;margin-bottom:16px}
.project-copy h3 a:hover{color:var(--signal)}
.project-copy p{color:var(--paper-dim);max-width:44ch}
.stack{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;padding:0}
.chip{display:inline-flex;align-items:center;gap:.45em;padding:.42em .8em .46em .66em;border-radius:999px;font:500 .86rem/1 var(--head);color:var(--ink)}
.chip::before{content:'';width:.4em;height:.4em;border-radius:50%;background:currentColor;opacity:.8}
.chip--tool{background:var(--paper)}
.chip--ia{background:var(--violet)}
.project-read{display:inline-flex;align-items:center;min-height:44px;color:var(--signal);border-bottom:1px solid rgba(200,255,53,.4)}

/* Accompagnement : une tâche traverse les trois étapes au scroll */
.method{background:linear-gradient(180deg,var(--ink) 0,var(--ink-2) 18%,var(--ink-2) 82%,var(--ink) 100%)}
.method-body{position:relative;padding-top:72px}
.method-track{position:absolute;top:0;left:0;right:0;height:44px}
.method-rail{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line-strong)}
.method-rail::after{content:'';position:absolute;left:0;top:-1px;height:3px;width:100%;background:var(--signal);transform-origin:left;transform:scaleX(var(--p,1))}
.method-runner{position:absolute;top:50%;left:calc(var(--p,1) * (100% - 9em));width:9em;justify-content:center;transform:translateY(-50%);display:inline-flex;align-items:center;gap:.45em;padding:.5em .9em;border-radius:999px;background:var(--signal);color:var(--ink);font:500 .92rem/1 var(--head);white-space:nowrap;box-shadow:0 14px 24px -16px rgba(0,0,0,.9)}
.method-runner::before{content:'';width:.4em;height:.4em;border-radius:50%;background:currentColor}
.method-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,48px)}
.method-steps li>span{display:block;font-family:var(--head);font-size:.9rem;color:var(--signal);margin-bottom:18px;transition:color .4s}
.method-steps h3{font-size:clamp(1.5rem,2.2vw,2rem);margin-bottom:12px}
.method-steps p{color:var(--paper-dim);max-width:34ch;margin:0}

.frame{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,80px);margin-top:clamp(72px,9vw,128px);align-items:start}
.frame-intro h3{font-size:clamp(1.8rem,3vw,2.8rem);letter-spacing:-.05em;margin:16px 0 18px;max-width:18ch}
.frame-intro p:not(.kicker){color:var(--paper-dim);max-width:40ch}
.frame-sheet{list-style:none;margin:0;padding:8px clamp(18px,2.4vw,32px);border:1px solid var(--line-strong);border-radius:16px;background:rgba(17,19,16,.7);box-shadow:inset 0 1px 0 rgba(241,239,231,.06)}
.frame-line{position:relative;display:grid;grid-template-columns:minmax(96px,.26fr) minmax(0,1fr);gap:16px;padding:18px 0 18px 22px;border-top:1px solid var(--line)}
.frame-line:first-child{border-top:0}
.frame-line::before{content:'';position:absolute;left:0;top:26px;width:9px;height:9px;border-radius:2px;background:var(--signal);transition:transform .5s var(--ease-out)}
.frame-key{font-family:var(--head);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--violet);padding-top:.2em}
.frame-line>span:last-child{color:var(--paper)}
.frame-note{grid-column:2;margin:14px 0 0;font-size:.84rem;color:var(--muted)}

/* Tarifs */
.pricing-list{border-top:1px solid var(--line-strong)}
.pricing-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr) minmax(220px,.7fr);gap:clamp(18px,3vw,48px);align-items:start;padding:clamp(24px,3vw,36px) 0;border-bottom:1px solid var(--line);transition:background .3s}
.pricing-row:hover{background:linear-gradient(90deg,rgba(200,255,53,.04),transparent 60%)}
.pricing-step{display:block;font-family:var(--head);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:10px}
.pricing-name h3{font-size:clamp(1.45rem,2.2vw,2rem);letter-spacing:-.045em}
.offer-details summary{display:inline-flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;color:var(--paper);border-bottom:1px solid var(--line-strong);list-style:none}
.offer-details summary::-webkit-details-marker{display:none}
.offer-details summary::after{content:'+';color:var(--signal);font-family:var(--head)}
.offer-details[open] summary::after{content:'-'}
.offer-details ul{margin:16px 0 12px;padding-left:1.1em;color:var(--paper-dim)}
.offer-details li{margin:6px 0}
.pricing-note{font-size:.88rem;color:var(--muted);max-width:52ch;margin:0}
.pricing-action{display:grid;justify-items:end;gap:12px;text-align:right}
.pricing-price{font-family:var(--head);font-size:clamp(1.6rem,2.4vw,2.2rem);letter-spacing:-.04em;line-height:1.05}
.pricing-price small{display:block;font-size:.85rem;letter-spacing:0;color:var(--paper-dim);margin-top:6px}
.offer-link{display:inline-flex;gap:10px;align-items:center;min-height:44px;color:var(--signal);border-bottom:1px solid rgba(200,255,53,.4)}
.price-terms{margin:28px 0 0;font-size:.88rem;color:var(--paper-dim);max-width:92ch}

/* Interlocuteur */
.about-section{border-top:1px solid var(--line)}
.about-layout{display:grid;grid-template-columns:minmax(0,.4fr) minmax(0,.6fr);gap:clamp(28px,5vw,80px);align-items:center}
.about-monogram{font-family:var(--head);font-size:clamp(6rem,15vw,13rem);line-height:.8;letter-spacing:-.12em;color:var(--signal)}
.about-copy h2{font-size:clamp(2.2rem,4.2vw,4rem);letter-spacing:-.055em;margin-bottom:22px}
.about-copy p{color:var(--paper-dim);max-width:46ch;font-size:1.08rem}

/* FAQ et outils */
.faq-list{border-top:1px solid var(--line-strong)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:64px;padding:14px 0;cursor:pointer;list-style:none;font-family:var(--head);font-size:clamp(1.1rem,1.6vw,1.35rem);letter-spacing:-.02em}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{flex:none;display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line-strong);border-radius:50%;color:var(--signal);transition:transform .3s var(--ease-out)}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list details p{color:var(--paper-dim);max-width:72ch;padding:0 0 22px;margin:0}
.tools-compact{display:grid;grid-template-columns:minmax(150px,.3fr) minmax(0,1fr);gap:12px clamp(24px,4vw,64px);margin-top:clamp(48px,6vw,80px);padding-top:24px;border-top:1px solid var(--line)}
.tools-compact span{font-family:var(--head);color:var(--paper-dim)}
.tools-compact p{margin:0;font-family:var(--head);font-size:clamp(1.2rem,2vw,1.7rem);letter-spacing:-.03em;line-height:1.3}

/* Contact */
.contact-section{position:relative;padding:clamp(88px,10vw,150px) 0 32px;border-top:1px solid var(--line);background:radial-gradient(50% 50% at 15% 30%,rgba(200,255,53,.07),transparent 70%),var(--ink)}
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,80px);align-items:start}
.contact-content h2{font-size:clamp(2.5rem,5vw,4.8rem);letter-spacing:-.058em;margin:18px 0 24px}
.contact-content h2 em{font-style:normal;color:var(--signal)}
.contact-content>p{color:var(--paper-dim);max-width:42ch;font-size:1.06rem}
.contact-boundary{font-size:.92rem!important}
.email-alternative{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.email-alternative span:first-child{color:var(--paper-dim);width:100%}
.email-alternative a{font-family:var(--head);font-size:1.15rem;color:var(--paper);border-bottom:1px solid var(--line-strong);min-height:44px;display:inline-flex;align-items:center}
.copy-email{min-height:44px;padding:8px 14px;border:1px solid var(--line-strong);border-radius:999px;background:none;font-size:.88rem}
.copy-status{font-size:.86rem;color:var(--signal)}
.form-panel{padding:clamp(22px,3vw,40px);border:1px solid var(--line-strong);border-radius:20px;background:var(--ink-2)}
#form-intro{font-family:var(--head);font-size:1.3rem;letter-spacing:-.02em;margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
#project-form label{display:block;margin:14px 0 8px;font-weight:600;font-size:.95rem}
#project-form label span{font-weight:500;color:var(--paper-dim);font-size:.82rem;margin-left:6px}
#project-form input:not([type=hidden]),#project-form select,#project-form textarea{width:100%;min-height:50px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--ink);color:var(--paper);font-size:1rem}
#project-form textarea{min-height:140px;resize:vertical}
#project-form input:focus-visible,#project-form select:focus-visible,#project-form textarea:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
#project-form [aria-invalid=true]{border-color:var(--orange)}
.field-help{font-size:.86rem;color:var(--paper-dim);margin:0 0 8px}
.form-trap{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-privacy{font-size:.86rem;color:var(--paper-dim);margin:16px 0 20px}
.form-privacy a{text-decoration:underline;text-underline-offset:3px}
.form-submit{width:100%}
.form-submit[disabled]{opacity:.6;cursor:not-allowed}
.form-status{margin:14px 0 0;color:var(--signal)}
.form-status:empty{margin:0}
.form-error{margin:14px 0 0;padding:12px 14px;border:1px solid var(--orange);border-radius:10px;color:var(--paper)}
.form-error[hidden]{display:none}
.form-error a{color:var(--signal);text-decoration:underline}
.footer{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;margin-top:clamp(64px,8vw,112px);padding-top:22px;border-top:1px solid var(--line);font-size:.86rem;color:var(--paper-dim)}
.footer span:first-child{margin-right:auto}
.footer a{min-height:44px;display:inline-flex;align-items:center}
.footer a:hover{color:var(--paper)}

/* ---------- Gestes secondaires : finis, liés au scroll ou à l'arrivée à l'écran.
   Préétats seulement si opus-v5.js tourne et que le mouvement est permis ; le texte reste toujours visible. ---------- */
.mt-armed:not([data-motion]) .frame:not(.is-in) .frame-line::before{transform:scaleX(0)}
.mt-armed:not([data-motion]) .frame:not(.is-in) .frame-line>span:last-child{color:var(--paper-dim)}
.frame-line>span:last-child{transition:color .6s}
.frame.is-in .frame-line:nth-child(2)::before,.frame.is-in .frame-line:nth-child(2)>span:last-child{transition-delay:.12s}
.frame.is-in .frame-line:nth-child(3)::before,.frame.is-in .frame-line:nth-child(3)>span:last-child{transition-delay:.24s}
.frame.is-in .frame-line:nth-child(4)::before,.frame.is-in .frame-line:nth-child(4)>span:last-child{transition-delay:.36s}
.frame.is-in .frame-line:nth-child(5)::before,.frame.is-in .frame-line:nth-child(5)>span:last-child{transition-delay:.48s}
.merge path{stroke-dasharray:400;stroke-dashoffset:0;transition:stroke-dashoffset 1.4s var(--ease-out)}
.mt-armed:not([data-motion]) .case-exhibit-type:not(.is-in) .merge path{stroke-dashoffset:400}
.merge-out{transition-delay:.7s!important}
.mt-armed:not([data-motion]) .method-steps li:not(.is-reached)>span{color:var(--muted)}
[data-motion] *,[data-motion] *::before,[data-motion] *::after{transition:none!important;animation:none!important}

/* ---------- Tablette ---------- */
@media (max-width:1060px){
  .nav-links{gap:22px;font-size:.92rem}
  .nav-cta{display:none}
  .pricing-row{grid-template-columns:minmax(0,1fr) minmax(200px,.6fr)}
  .pricing-deliverables{grid-column:1/-1;grid-row:2}
}

/* ---------- Mobile : même histoire, recomposée verticalement ---------- */
@media (max-width:860px){
  :root{--tile-fs:clamp(.95rem,4.1vw,1.2rem);--pile-scale:1;--floor:14px}
  .hero{min-height:0}
  .hero-grid{grid-template-columns:1fr;gap:0}
  .hero-text{padding:28px 0 0}
  .eyebrow{margin-bottom:18px;font-size:.72rem}
  .hero h1{font-size:clamp(2.2rem,9.4vw,3.6rem)}
  .hero-copy{margin:18px 0 22px;font-size:1rem;line-height:1.6}
  .hero-actions{gap:4px 22px}
  .pile-col{padding-top:18px}
  .pile-foot{padding-left:0}
  .pile{flex:none;height:300px;min-height:0;--pile-scale:.92}
  .pile-heap{left:10px}
  /* Le titre du tri est une dalle opaque : les tâches passent dessous, sans jamais recouvrir le texte */
  .sort{padding-top:56px}
  .sort-head{max-width:none;gap:14px;margin:0 calc(-1*var(--gutter)) 36px;padding:12px var(--gutter) 20px;background:var(--ink)}
  .sort-head::before,.sort-head::after{content:'';position:absolute;left:0;right:0;height:36px;pointer-events:none}
  .sort-head::before{bottom:100%;background:linear-gradient(rgba(17,19,16,0),var(--ink))}
  .sort-head::after{top:100%;background:linear-gradient(var(--ink),rgba(17,19,16,0))}
  .lanes{grid-template-columns:1fr}
  .lane,.lane:first-child{grid-template-areas:"tag slots";grid-template-columns:86px minmax(0,1fr);border-left:0;border-top:1px solid var(--line);padding:18px 0 22px}
  .lane:first-child{border-top:0}
  .lane-tag{margin:6px 0 0;flex-direction:column;gap:2px;font-size:.74rem;letter-spacing:.1em}
  .lane:not(:first-child) .lane-rule{left:0}
  .lane-rule{right:0}
  .slots{flex-direction:row;flex-wrap:wrap;gap:10px}
  .roles{grid-template-columns:1fr;margin-top:12px}
  .role,.role:first-child{border-left:0;padding:22px 0 0}
  .role+.role{border-top:1px solid var(--line);margin-top:22px}
  .sec-head{grid-template-columns:1fr}
  .sec-head h2,.sec-head p{grid-column:1}
  .sec-head .section-index{padding-top:0}
  .audience-grid{grid-template-columns:1fr}
  .project,.project--alt{grid-template-columns:1fr}
  .project--alt .case-exhibit{order:0}
  .case-exhibit-type{min-height:240px}
  .method-body{padding:0 0 0 34px}
  .method-track{top:0;bottom:0;left:0;right:auto;width:20px;height:auto}
  .method-rail{left:9px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .method-rail::after{left:-1px;top:0;width:3px;height:100%;transform-origin:top;transform:scaleY(var(--p,1))}
  .method-runner{left:3px;top:calc(var(--p,1) * (100% - 30px));width:14px;height:30px;padding:0;font-size:0;transform:none}
  .method-runner::before{display:none}
  .method-steps{grid-template-columns:1fr;gap:34px}
  .frame{grid-template-columns:1fr}
  .frame-note{grid-column:1}
  .frame-line{grid-template-columns:1fr;gap:4px}
  .pricing-row{grid-template-columns:1fr}
  .pricing-action{justify-items:start;text-align:left}
  .about-layout{grid-template-columns:1fr}
  .about-monogram{font-size:6rem}
  .tools-compact{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
}
@media (max-width:760px){
  :root{--nav-h:64px}
  .nav{gap:10px}
  .nav-links{display:none}
  .js .menu-toggle{display:inline-flex}
  .logo{gap:9px;font-size:1rem}
  .nav-cta{display:inline-flex;padding:10px 16px}
  .nav-cta span[aria-hidden]{display:none}
  .js .nav-links.is-open{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:0;padding:8px var(--gutter) 20px;background:var(--ink);border-bottom:1px solid var(--line)}
  .js .nav-links.is-open a{padding:14px 0;font-size:1.1rem;color:var(--paper);border-bottom:1px solid var(--line)}
  .no-js .nav{flex-wrap:wrap;height:auto;padding:12px 0}
  .no-js .nav-links{display:flex;order:3;width:100%;overflow-x:auto;gap:20px}
}
/* Très petits écrans : Contact reste dans le menu, le nom tient sur une ligne */
@media (max-width:440px){.js .nav-cta{display:none}}
@media (max-width:380px){.pile-caption .pile-hint{display:none!important}.motion-toggle-label{font-size:.72rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}}