/* ============================================================
   ALYSOPHIL — Design system
   Palette ancrée dans la marque (ChemPocket noir/jaune)
   ============================================================ */
:root{
  --ink:#15171B; --paper:#FAF9F6; --amber:#E8A200; --amber-soft:#FFF3D6;
  --slate:#4A5663; --line:#D9D6CE;
  --font-display:'Archivo',sans-serif;
  --font-body:'IBM Plex Sans',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--font-body);background:var(--paper);color:var(--ink);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}


/* ---------- navigation ---------- */
nav{position:sticky;top:0;z-index:50;background:rgba(250,249,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--max);margin:0 auto;padding:8px 24px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:52px;width:auto;display:block}
@media(max-width:880px){.logo img{height:42px}}
.nav-links{display:flex;gap:24px;margin-left:auto;font-size:14px;font-weight:500;align-items:center}
.nav-links a{text-decoration:none;color:var(--slate);transition:color .15s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]{border-bottom:2px solid var(--amber)}
.nav-cta{background:var(--ink);color:#fff!important;padding:9px 18px;border-radius:2px;font-weight:600;border-bottom:none!important}
.nav-cta:hover{background:var(--amber);color:var(--ink)!important}
.lang{font-family:var(--font-mono);font-size:12px;color:var(--slate)}

/* ---------- héros ---------- */
header.hero-band{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.hero{max-width:var(--max);margin:0 auto;padding:96px 24px 110px;position:relative}
.hero.compact{padding:64px 24px 72px}
.eyebrow{font-family:var(--font-mono);font-size:13px;letter-spacing:.22em;color:var(--amber);
  text-transform:uppercase;margin-bottom:26px;display:flex;align-items:center;gap:14px}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--amber)}
h1{font-family:var(--font-display);font-weight:900;font-stretch:118%;text-transform:uppercase;
  font-size:clamp(34px,5.4vw,68px);line-height:1.02;max-width:16ch}
.hero.compact h1{font-size:clamp(30px,4.2vw,52px)}
h1 em{font-style:normal;color:var(--amber)}
.hero p{max-width:56ch;margin-top:28px;font-size:19px;color:#C9CCD2}
.hero-cta{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:15px;padding:14px 26px;border-radius:2px;transition:all .15s;border:none;cursor:pointer;font-family:var(--font-body)}
.btn-y{background:var(--amber);color:var(--ink)}
.btn-y:hover{background:#fff}
.btn-ghost{border:1px solid #3A3E45;color:var(--paper)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
/* P&ID stylisé dans le hero */
.pid{position:absolute;top:0;right:0;bottom:0;width:54%;max-width:580px;pointer-events:none;opacity:.85}
.pid svg{height:100%;width:100%}
.pid-pipe path{fill:none;stroke:#6B7280;stroke-width:2.5}
.pid-coil path{fill:none;stroke:#8A92A0;stroke-width:2.5}
.pid-eq circle,.pid-eq rect,.pid-eq path{fill:none;stroke:#8A92A0;stroke-width:2.5}
.pid-eq .pid-fill{fill:#8A92A0;stroke:none}
.pid-valve path{fill:none;stroke:#8A92A0;stroke-width:2.5}
.pid-inst circle{fill:none;stroke:var(--amber);stroke-width:2.5}
.pid-signal path{fill:none;stroke:#8A92A0;stroke-width:1.6;stroke-dasharray:2 4}
.pid-ai rect{fill:rgba(232,162,0,.08);stroke:var(--amber);stroke-width:2.5;filter:drop-shadow(0 0 5px rgba(232,162,0,.4))}
.pid-ai-t1{fill:var(--amber);font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:.02em}
.pid-ai-t2{fill:#C9CCD2;font-family:var(--font-mono);font-size:9px;letter-spacing:.14em}
/* flux ambre animé circulant sur tout le procédé */
.pid-flow path{fill:none;stroke:var(--amber);stroke-width:3;stroke-linecap:round;
  stroke-dasharray:14 26;animation:flow 2.4s linear infinite;filter:drop-shadow(0 0 3px rgba(232,162,0,.6))}
@keyframes flow{to{stroke-dashoffset:-80}}
/* animation Développer : synthèse (réactifs -> produit) */
@keyframes synthFlow{to{stroke-dashoffset:-32}}
@keyframes reactIn{0%{opacity:0;transform:translateX(0)}15%{opacity:1}45%{opacity:1;transform:translateX(22px)}55%{opacity:0;transform:translateX(22px)}100%{opacity:0}}
@keyframes prodOut{0%,50%{opacity:0;transform:translateX(0) scale(.6)}62%{opacity:1;transform:translateX(0) scale(1)}90%{opacity:1;transform:translateX(24px) scale(1)}100%{opacity:0;transform:translateX(24px)}}
/* animation Produire : capteurs + pilotage IA */
@keyframes sensorBlink{0%,100%{opacity:.25}50%{opacity:1}}
@keyframes aiSignal{to{stroke-dashoffset:-16}}

@media(max-width:980px){.pid{display:none}}

/* ---------- ligne de flux (signature) ---------- */
.flux{display:none}

/* ---------- sections ---------- */
section{position:relative}
.wrap{max-width:var(--max);margin:0 auto;padding:90px 24px}
.wrap.tight{padding:64px 24px}
.sec-head{display:flex;align-items:baseline;gap:22px;margin-bottom:54px;flex-wrap:wrap}
.sec-tag{font-family:var(--font-mono);font-size:14px;font-weight:500;letter-spacing:.18em;color:var(--amber);text-transform:uppercase;white-space:nowrap}
h2{font-family:var(--font-display);font-weight:900;font-stretch:115%;text-transform:uppercase;
  font-size:clamp(26px,3.4vw,40px);line-height:1.05}
h3.block{font-family:var(--font-display);font-weight:800;font-size:22px;text-transform:uppercase;letter-spacing:.02em;margin-bottom:14px}
.lead{max-width:66ch;color:var(--slate);font-size:18px}
.prose{max-width:70ch}
.prose p{margin-bottom:16px;color:var(--slate)}
.prose strong{color:var(--ink)}
.prose ul{margin:0 0 16px 20px;color:var(--slate)}
.prose li{margin-bottom:8px}
.alt{background:#F1EFE9}
.dark{background:var(--ink);color:var(--paper)}

/* chaîne de valeur */
.chain{display:grid;grid-template-columns:repeat(4,1fr);position:relative;margin-top:10px}
.chain::before{content:"";position:absolute;top:5px;left:6px;right:6px;height:2px;background:var(--amber)}
.ch{padding:0 26px 0 0}
.ch .node{width:12px;height:12px;background:var(--paper);border:3px solid var(--amber);margin-bottom:26px}
.ch-verb{font-family:var(--font-display);font-weight:900;font-stretch:115%;text-transform:uppercase;font-size:23px;line-height:1.1}
.ch-asset{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--amber);margin:10px 0 14px;text-transform:uppercase}
.ch p{font-size:14.5px;color:var(--slate)}
.ch a{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:600;text-decoration:none;border-bottom:2px solid var(--amber)}
@media(max-width:880px){.chain{grid-template-columns:1fr;gap:36px}.chain::before{display:none}.ch .node{margin-bottom:14px}}

/* cartes */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--paper);padding:36px 30px;transition:background .15s}
.card:hover{background:var(--amber-soft)}
.card .step{font-family:var(--font-mono);font-size:12px;color:var(--slate);letter-spacing:.14em;margin-bottom:18px}
.card h3{font-family:var(--font-display);font-weight:800;font-size:20px;text-transform:uppercase;margin-bottom:14px}
.card p{font-size:15.5px;color:var(--slate)}
.card a{display:inline-block;margin-top:20px;font-size:14px;font-weight:600;text-decoration:none;border-bottom:2px solid var(--amber)}
@media(max-width:880px){.grid3{grid-template-columns:1fr}}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.stat .n{font-family:var(--font-display);font-weight:900;font-stretch:120%;font-size:clamp(40px,5vw,62px);color:var(--amber);line-height:1}
.stat .l{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;color:#9AA0A9;margin-top:12px;text-transform:uppercase}
@media(max-width:880px){.stats{grid-template-columns:repeat(2,1fr)}}

/* piliers */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.pill{padding:30px 26px;border-right:1px solid var(--line);display:flex;flex-direction:column;
  align-items:flex-start;gap:14px;transition:background .2s}
.pill:hover{background:var(--amber-soft)}
.pill:last-child{border-right:none}
.pill-ic{width:34px;height:34px;color:var(--amber);flex-shrink:0}
.pill-w{font-family:var(--font-display);font-weight:800;text-transform:uppercase;letter-spacing:.06em;
  font-size:18px;color:var(--ink)}
.pill p{font-size:13.5px;line-height:1.55;color:var(--slate);margin:0}
@media(max-width:880px){.pillars{grid-template-columns:1fr 1fr}
  .pill:nth-child(2){border-right:none}
  .pill:nth-child(1),.pill:nth-child(2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.pillars{grid-template-columns:1fr}
  .pill{border-right:none;border-bottom:1px solid var(--line)}
  .pill:last-child{border-bottom:none}}

/* blocs technologie */
.tech-block{display:grid;grid-template-columns:240px 1fr;gap:50px;padding:56px 0;border-top:1px solid var(--line)}
.tech-block:first-of-type{border-top:none}
.tech-verb{position:sticky;top:90px;align-self:start}
.tech-verb .v{font-family:var(--font-display);font-weight:900;font-stretch:118%;text-transform:uppercase;font-size:28px;line-height:1}
.tech-verb .a{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--amber);margin-top:10px;text-transform:uppercase}
@media(max-width:880px){.tech-block{grid-template-columns:1fr;gap:18px}.tech-verb{position:static}}

/* marchés */
.markets{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mkt{border-top:3px solid var(--ink);padding-top:18px}
.mkt:hover{border-top-color:var(--amber)}
.mkt h4{font-family:var(--font-display);font-weight:800;text-transform:uppercase;font-size:15px}
.mkt p{font-size:14px;color:var(--slate);margin-top:8px}
@media(max-width:880px){.markets{grid-template-columns:repeat(2,1fr)}}

/* études de cas */
.case-card{border:1px solid var(--line);background:var(--paper);padding:36px 32px;margin-bottom:22px}
.case-card .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--amber);text-transform:uppercase}
.case-card h3{font-family:var(--font-display);font-weight:800;font-size:21px;text-transform:uppercase;margin:12px 0 18px}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.case-grid .k{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--slate);text-transform:uppercase;margin-bottom:8px}
.case-grid p{font-size:14.5px;color:var(--slate)}
@media(max-width:880px){.case-grid{grid-template-columns:1fr 1fr}}

/* tableau */
table{width:100%;border-collapse:collapse;font-size:15px}
th{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);text-align:left;padding:12px 16px;border-bottom:2px solid var(--ink)}
td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--slate);vertical-align:top}
td strong{color:var(--ink)}

/* frise historique */
.timeline{border-left:2px solid var(--amber);margin-left:6px;padding-left:34px}
.tl{position:relative;padding-bottom:34px}
.tl::before{content:"";position:absolute;left:-41px;top:6px;width:12px;height:12px;background:var(--paper);border:3px solid var(--amber)}
.tl .y{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--amber)}
.tl h4{font-family:var(--font-display);font-weight:800;font-size:17px;text-transform:uppercase;margin:6px 0}
.tl p{font-size:15px;color:var(--slate);max-width:62ch}

/* actualités */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.news a{background:var(--paper);padding:26px;text-decoration:none;display:block}
.news a:hover{background:var(--amber-soft)}
.news .d{font-family:var(--font-mono);font-size:12px;color:var(--slate)}
.news h5{font-size:16px;margin-top:10px;font-weight:600;line-height:1.4}
@media(max-width:880px){.news{grid-template-columns:1fr}}

/* formulaire */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
@media(max-width:880px){form .row{grid-template-columns:1fr}}
label{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-bottom:7px}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--line);background:#fff;font-family:var(--font-body);font-size:15.5px;border-radius:2px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--amber);border-color:var(--amber)}
textarea{min-height:140px;resize:vertical}

/* cta bandeau + footer */
.cta-band{background:var(--ink);color:var(--paper)}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:64px 24px}
.cta-band h2{max-width:20ch}
footer{background:var(--ink);color:#9AA0A9;font-size:14px;border-top:1px solid #2A2E35}
.foot{max-width:var(--max);margin:0 auto;padding:60px 24px 90px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
footer .logo .wordmark{color:var(--paper)}
.foot-logo{height:52px;width:auto;display:block;margin-bottom:16px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.foot-brand img{height:38px;width:38px;display:block}
.foot-brand .wordmark{font-family:var(--font-display);font-weight:900;font-stretch:115%;letter-spacing:.14em;font-size:19px;color:var(--paper)}
.foot-brand .wordmark span{color:var(--amber)}
footer a{color:#C9CCD2}
/* étude de cas détaillée — page Marchés */
.case-full{border:1px solid var(--line);background:var(--paper);margin-bottom:30px}
.case-full .head{background:var(--ink);color:var(--paper);padding:30px 34px}
.case-full .head .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--amber);text-transform:uppercase}
.case-full .head h3{font-family:var(--font-display);font-weight:800;font-size:24px;text-transform:uppercase;margin-top:12px;line-height:1.1;color:var(--paper)}
.case-full .body{padding:34px}
.cf-row{display:grid;grid-template-columns:160px 1fr;gap:28px;padding:20px 0;border-top:1px solid var(--line)}
.cf-row:first-child{border-top:none;padding-top:0}
.cf-k{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--amber);text-transform:uppercase;padding-top:3px}
.cf-v{color:var(--slate);font-size:16px}
.cf-v strong{color:var(--ink)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:14px}
.metric{background:var(--paper);padding:22px 18px;text-align:center}
.metric .n{font-family:var(--font-display);font-weight:900;font-stretch:118%;font-size:32px;color:var(--ink);line-height:1}
.metric .l{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--slate);margin-top:8px;text-transform:uppercase}
@media(max-width:880px){.cf-row{grid-template-columns:1fr;gap:8px}.metrics{grid-template-columns:1fr 1fr}}
/* liste d'actualités détaillées (page Actualités) */
.press{border-top:1px solid var(--line)}
.press-item{padding:30px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:150px 1fr;gap:32px}
.press-item .meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--amber);text-transform:uppercase;padding-top:4px}
.press-item .meta .cat{display:block;color:var(--slate);margin-top:6px}
.press-item h3{font-family:var(--font-display);font-weight:800;font-size:19px;line-height:1.2;margin-bottom:10px}
.press-item p{font-size:15px;color:var(--slate);margin-bottom:14px}
.press-item .links a{font-size:13.5px;font-weight:600;text-decoration:none;border-bottom:2px solid var(--amber);margin-right:20px}
@media(max-width:760px){.press-item{grid-template-columns:1fr;gap:8px}}
/* bouton "voir le cas" sous les piliers technologies */
.btn-case{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:600;
  text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:2px;padding:9px 15px;transition:all .15s}
.btn-case:hover{border-color:var(--amber);background:var(--amber-soft)}
.btn-case::before{content:"→";color:var(--amber);font-weight:700}

/* ===== menu mobile (hamburger) ===== */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto;
  flex-direction:column;gap:5px;width:44px;height:44px;justify-content:center;align-items:center}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);transition:all .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:960px){
  /* Le backdrop-filter crée un contexte qui piège position:fixed du menu :
     on le retire sur mobile (fond rendu opaque pour compenser). */
  nav{backdrop-filter:none;background:var(--paper)}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(80vw,320px);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:0;margin:0;padding:88px 28px 28px;background:var(--paper);
    border-left:1px solid var(--line);box-shadow:-8px 0 30px rgba(0,0,0,.12);
    transform:translateX(100%);transition:transform .28s ease;z-index:60;overflow-y:auto}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{width:100%;padding:16px 0;font-size:17px;border-bottom:1px solid var(--line)}
  .nav-links a[aria-current="page"]{border-bottom:1px solid var(--line);color:var(--amber)}
  .nav-links a.nav-cta{margin-top:20px;text-align:center;border-bottom:none;border-radius:2px}
  .nav-links a.nav-cta:hover{color:var(--ink)!important}
  .nav-backdrop{position:fixed;inset:0;background:rgba(21,23,27,.5);opacity:0;visibility:hidden;
    transition:opacity .28s;z-index:48}
  .nav-backdrop.open{opacity:1;visibility:visible}
  .lang{margin-left:0}
  .nav-toggle[aria-expanded="true"]{position:fixed;right:16px;top:14px;z-index:61}
}

/* ===== P&ID interactif (page Technologies) ===== */
.pid-x{background:#101318;border:1px solid var(--line);border-radius:4px;overflow:hidden;
  display:grid;grid-template-columns:1fr 300px;min-height:440px}
.pid-x-stage{position:relative;padding:24px}
.pid-x-stage svg{width:100%;height:100%;display:block}
.pid-x-panel{background:#15181E;border-left:1px solid #2A2F38;padding:28px 24px;
  display:flex;flex-direction:column;justify-content:center}
.pid-x-panel .ph{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--amber);
  text-transform:uppercase;margin-bottom:12px}
.pid-x-panel h4{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--paper);
  line-height:1.15;margin-bottom:14px}
.pid-x-panel p{font-size:14.5px;line-height:1.55;color:#C9CCD2;margin:0}
.pid-x-panel .specs{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.pid-x-panel .spec{display:flex;justify-content:space-between;gap:12px;font-family:var(--font-mono);
  font-size:12.5px;border-top:1px solid #2A2F38;padding-top:8px}
.pid-x-panel .spec .k{color:#8A92A0}
.pid-x-panel .spec .v{color:var(--amber);text-align:right}
.pid-x-hint{font-family:var(--font-mono);font-size:11px;color:#5E646E;letter-spacing:.08em;
  position:absolute;bottom:14px;left:24px}
/* équipements interactifs */
.eq{cursor:pointer}
.eq .hit{fill:transparent;stroke:none;pointer-events:all}
.eq .shape,.eq .shape-fill,.eq .lbl,.eq text{pointer-events:none}
.eq .shape{fill:none;stroke:#8A92A0;stroke-width:2.5;transition:stroke .2s}
.eq .shape-fill{fill:#8A92A0;stroke:none;transition:fill .2s}
.eq.on .shape,.eq:hover .shape{stroke:var(--amber)}
.eq.on .shape-fill,.eq:hover .shape-fill{fill:var(--amber)}
.eq .lbl{font-family:var(--font-mono);font-size:10px;fill:#8A92A0;letter-spacing:.06em;transition:fill .2s}
.eq.on .lbl,.eq:hover .lbl{fill:var(--amber)}
.pidx-pipe{fill:none;stroke:#3A3F49;stroke-width:2.5}
.pidx-flow{fill:none;stroke:var(--amber);stroke-width:2.5;stroke-linecap:round;
  stroke-dasharray:10 22;animation:pidxflow 1.6s linear infinite;opacity:.9}
@keyframes pidxflow{from{stroke-dashoffset:0}to{stroke-dashoffset:-32}}
@media(max-width:820px){
  .pid-x{grid-template-columns:1fr;grid-template-rows:auto auto}
  .pid-x-panel{border-left:none;border-top:1px solid #2A2F38}
  .pid-x-hint{position:static;margin-top:10px}
}

/* ===== chaîne de valeur à 4 briques (page Technologies) ===== */
.tvchain{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px;
  padding:6px;border:1px solid var(--line);border-bottom:none;border-radius:6px 6px 0 0;
  background:#0B0D11}
.tvchain-step{position:relative;padding:14px 16px 13px;cursor:pointer;border-radius:4px;
  background:#181C23;border:1px solid #2C313B;border-top:2px solid #2C313B;
  transition:background .18s,border-color .18s,transform .1s}
.tvchain-step:hover{background:#1F242D;border-color:#3A414D;transform:translateY(-1px)}
.tvchain-step.on{background:#20252E;border-color:var(--amber);border-top:2px solid var(--amber)}
.tvchain-step .n{font-family:var(--font-mono);font-size:10px;color:#6B7280;letter-spacing:.12em}
.tvchain-step.on .n{color:var(--amber)}
.tvchain-step .verb{font-family:var(--font-display);font-weight:800;font-size:16px;color:#E4E6EA;
  margin:5px 0 3px;transition:color .18s;line-height:1.1}
.tvchain-step:hover .verb{color:#FFF}
.tvchain-step.on .verb{color:var(--amber)}
.tvchain-step .tool{font-family:var(--font-mono);font-size:10px;color:#8A9AAE;letter-spacing:.06em}
.tvchain-step.on .tool{color:var(--amber);opacity:.85}
.tvchain-step .arrow{display:none}
.tvchain-detail{border:1px solid var(--line);border-top:none;border-radius:0 0 4px 4px;
  background:#15181E;padding:26px 28px;min-height:120px}
.tvchain-detail .ph{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--amber);
  text-transform:uppercase;margin-bottom:10px}
.tvchain-detail h4{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--paper);margin-bottom:10px}
.tvchain-detail p{font-size:14.5px;line-height:1.55;color:#C9CCD2;margin:0;max-width:70ch}
@media(max-width:820px){
  .tvchain{grid-template-columns:1fr 1fr}
  .tvchain-step:nth-child(2){border-right:none}
  .tvchain-step .arrow{display:none}
}

/* ===== comparatif IA vs APC ===== */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.vs-card{border:1px solid var(--line);border-radius:4px;padding:26px 24px;background:var(--paper)}
.vs-card.ia{border-color:var(--amber);box-shadow:0 0 0 1px var(--amber) inset;background:var(--amber-soft)}
.vs-card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);margin-bottom:6px}
.vs-card.ia .tag{color:var(--amber)}
.vs-card h4{font-family:var(--font-display);font-weight:800;font-size:19px;margin-bottom:16px;color:var(--ink)}
.vs-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.vs-card li{position:relative;padding-left:20px;font-size:14px;line-height:1.5;color:var(--ink)}
.vs-card li::before{content:"—";position:absolute;left:0;top:0;color:var(--slate)}
.vs-card.ia li::before{content:"+";color:var(--amber);font-weight:700}
.vs-note{margin-top:16px;font-size:13px;color:var(--slate);font-style:italic}
@media(max-width:720px){.vs{grid-template-columns:1fr}}

/* ===== panneau détaillé de la chaîne (avec animation) ===== */
.tvchain-detail{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start}
.tvchain-anim{background:#0C0F14;border:1px solid #2A2F38;border-radius:4px;aspect-ratio:1;
  display:flex;align-items:center;justify-content:center;overflow:hidden}
.tvchain-anim svg{width:100%;height:100%}
.tvchain-detail .body h4{margin-top:0}
.tvchain-detail .body p{margin-bottom:12px}
.tvchain-detail .body ul{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:10px}
.tvchain-detail .body li{position:relative;padding-left:18px;font-size:14px;line-height:1.5;color:#C9CCD2}
.tvchain-detail .body li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;
  background:var(--amber);border-radius:1px}
.tvchain-detail .body li strong{color:var(--paper)}
.tvchain-detail .body .acts{margin-top:16px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.tvchain-detail .body .acts a{font-size:13.5px;font-weight:600;text-decoration:none}
.tvchain-detail .body .acts .lnk{color:var(--amber);border-bottom:2px solid var(--amber)}
/* animations de briques */
.an-mol{transform-origin:center;transform-box:fill-box}
@keyframes screenReject{0%{opacity:.7;transform:scale(1)}60%{opacity:.7}100%{opacity:0;transform:scale(.4) translateY(14px)}}
@keyframes screenKeep{0%,55%{opacity:0;transform:scale(.6)}70%{opacity:1;transform:scale(1.15)}100%{opacity:1;transform:scale(1)}}
@keyframes countdown{0%,100%{opacity:1}}
@keyframes yieldRise{0%{stroke-dashoffset:260}100%{stroke-dashoffset:0}}
@keyframes fadeInLate{0%,60%{opacity:0}100%{opacity:1}}
@keyframes runPulse{0%,100%{opacity:.3}50%{opacity:1}}
@keyframes containerFlow{to{stroke-dashoffset:-40}}
@media(max-width:820px){.tvchain-detail{grid-template-columns:1fr}.tvchain-anim{max-width:200px}}

/* ===== cas d'usage IA + pourquoi Alysophil ===== */
.usecases{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:8px}
.uc{border:1px solid var(--line);border-radius:4px;padding:20px 22px;background:var(--paper)}
.uc h5{font-family:var(--font-display);font-weight:800;font-size:15px;margin-bottom:6px;color:var(--ink)}
.uc p{font-size:13.5px;line-height:1.5;color:var(--slate);margin:0}
.uc-neg{background:transparent;border-style:dashed}
.uc-neg h5{color:var(--slate)}
.why{margin-top:20px;border:1px solid var(--amber);border-radius:4px;background:var(--amber-soft);
  padding:26px 28px}
.why h4{font-family:var(--font-display);font-weight:800;font-size:18px;margin-bottom:14px;color:var(--ink)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.why-grid .item{display:flex;gap:12px}
.why-grid .item .ic{flex-shrink:0;width:26px;height:26px;border:1.5px solid var(--amber);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--amber);font-weight:700;font-size:14px}
.why-grid .item p{font-size:14px;line-height:1.5;color:var(--ink);margin:0}
.why-grid .item strong{display:block;margin-bottom:2px}
@media(max-width:720px){.usecases,.why-grid{grid-template-columns:1fr}}

/* ===== bloc aboutissement ChemPocket / PIPAc (accueil) ===== */
.culmin{background:var(--ink);color:var(--paper);border-radius:6px;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;margin-top:8px;align-items:stretch}
.culmin-visual{position:relative;min-height:340px;overflow:hidden}
.culmin-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.culmin-txt{padding:44px 44px}
.culmin-txt .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--amber);
  text-transform:uppercase;margin-bottom:16px}
.culmin-txt h3{font-family:var(--font-display);font-weight:900;font-size:30px;line-height:1.1;
  margin-bottom:16px;color:var(--paper)}
.culmin-txt h3 em{color:var(--amber);font-style:normal}
.culmin-txt p{font-size:15px;line-height:1.6;color:#C9CCD2;margin-bottom:14px}
.culmin-proof-inline{margin-top:22px;padding-top:22px;border-top:1px solid #2E323B}
.culmin-proof-inline .plabel{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--amber);text-transform:uppercase;margin-bottom:8px}
.culmin-proof-inline .plabel strong{color:var(--paper);font-size:13px}
.culmin-proof-inline .pdesc{font-size:13.5px;line-height:1.55;color:#C9CCD2;margin-bottom:14px}
.culmin-proof-inline a{font-size:13.5px;font-weight:600;text-decoration:none;color:var(--amber);
  border-bottom:2px solid var(--amber)}
@media(max-width:820px){.culmin{grid-template-columns:1fr}
  .culmin-visual{min-height:220px}
  .culmin-txt{padding:32px 28px}}

/* ===== images réelles ===== */
.culmin-hero{width:100%;border-radius:6px;overflow:hidden;margin-bottom:24px;border:1px solid var(--line)}
.culmin-hero img{width:100%;height:auto;display:block}
.figure{margin:0;border-radius:6px;overflow:hidden;border:1px solid var(--line)}
.figure img{width:100%;height:auto;display:block}
.figure figcaption{font-family:var(--font-mono);font-size:12px;color:var(--slate);padding:10px 14px;
  background:var(--paper);border-top:1px solid var(--line)}
.case-figures{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}
@media(max-width:680px){.case-figures{grid-template-columns:1fr}}
/* ===== schéma procédé (page Technologies) ===== */
.procschema {
    --bg: transparent;
    --panel: #0C0E12;
    --stroke: #EDEBE4;
    --stroke-dim: #6B6B6B;
    --flow: #FFB81C;
    --flow-dim: #7A5600;
    --instr: #5CB0FF;
    --ai: #FFD34E;
    --hot: #FF7D5C;
    --cold: #64B5F6;
    --text: #F0EEE8;
    --text-dim: #C2C8D2;
    --border: #2A2A2A;
  }
  
  
  
  
  
  
  
  
  .procschema .controls {
    display: flex;
    gap: 8px;
    margin: 32px 0 24px;
    align-items: center;
    flex-wrap: wrap;
  }
  .procschema .controls-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-right: 8px;
  }
  .procschema .btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 10px 18px;
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 2px;
  }
  .procschema .btn:hover { border-color: var(--flow-dim); color: var(--text); }
  .procschema .btn.active {
    border-color: var(--flow);
    color: var(--flow);
    background: rgba(245, 184, 0, 0.05);
  }
  .procschema .schema-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 24px;
    position: relative;
    border-radius: 2px;
  }
  .procschema .schema-panel svg { display: block; width: 100%; height: auto; }

  /* Couches conditionnelles */
  .schema-panel.hide-instr .layer-instr,
  .schema-panel.hide-instr .signal-line,
  .procschema .schema-panel.hide-instr .instr-label { opacity: 0; pointer-events: none; }
  .schema-panel.hide-ai .layer-ai,
  .procschema .schema-panel.hide-ai .ai-line { opacity: 0; pointer-events: none; }
  .procschema .layer-instr, .procschema .layer-ai, .procschema .signal-line, .procschema .ai-line, .procschema .instr-label {
    transition: opacity 0.4s ease;
  }
  /* Toggle type de réacteur */

  .procschema .btn-sm { padding: 6px 12px; font-size: 12px; }

  /* Animation de flux */
  @keyframes flow-dash { to { stroke-dashoffset: -20; } }
  .procschema .flow-anim {
    stroke-dasharray: 6 4;
    animation: flow-dash 1.2s linear infinite;
  }
  @keyframes signal-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
  }
  .procschema .signal-line { animation: signal-pulse 2.5s ease-in-out infinite; }

  .procschema .legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px 32px;
    margin-top: 32px;
    padding: 24px;
    border: 1px solid var(--border);
    background: var(--panel);
  }
  .procschema .legend h3 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
  }
  .procschema .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 8px;
  }
  .procschema .legend-swatch {
    width: 28px; height: 3px;
    flex-shrink: 0;
  }
  .procschema .swatch-flow { background: var(--flow); }
  .procschema .swatch-instr { background: var(--instr); }
  .procschema .swatch-ai { background: var(--ai); }
  .procschema .swatch-hot { background: var(--hot); }
  .procschema .swatch-cold { background: var(--cold); }
  .procschema .swatch-dashed {
    background: repeating-linear-gradient(90deg, currentColor 0, currentColor 3px, transparent 3px, transparent 6px);
    height: 2px;
  }
  .procschema .notes {
    margin-top: 32px;
    padding: 24px;
    border-left: 2px solid var(--flow);
    background: rgba(245, 184, 0, 0.03);
  }
  .procschema .notes h3 { font-size: 14px; margin-bottom: 12px; letter-spacing: 0.02em; }
  .procschema .notes p { color: var(--text-dim); font-size: 13px; line-height: 1.7; margin-bottom: 8px; }
  .procschema .tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    fill: var(--text-dim);
    letter-spacing: 0.05em;
  }
  .procschema .label {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 15px;
    font-weight: 600;
    fill: var(--text);
    letter-spacing: 0.02em;
  }
  .procschema .label-sm {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 12px;
    fill: var(--text-dim);
  }
  .procschema .section-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    fill: var(--flow);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }
/* ===== schéma AlchemAI (Concevoir) ===== */
.aischema {
    --bg: transparent;
    --panel: #0C0E12;
    --stroke: #EDEBE4;
    --stroke-dim: #6B6B6B;
    --flow: #FFB81C;
    --flow-dim: #7A5600;
    --instr: #5CB0FF;
    --ai: #FFD34E;
    --hot: #FF7D5C;
    --cold: #64B5F6;
    --text: #F0EEE8;
    --text-dim: #C2C8D2;
    --border: #2A2A2A;
    --grey-mol: #4A4A4A;
  }
  
  
  
  
  
  
  
  
  .aischema .controls {
    display: flex;
    gap: 8px;
    margin: 32px 0 24px;
    align-items: center;
    flex-wrap: wrap;
  }
  .aischema .controls-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-right: 8px;
  }
  .aischema .btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 10px 18px;
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 2px;
  }
  .aischema .btn:hover { border-color: var(--flow-dim); color: var(--text); }
  .aischema .btn.active {
    border-color: var(--flow);
    color: var(--flow);
    background: rgba(245, 184, 0, 0.05);
  }
  .aischema .schema-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 24px;
    position: relative;
    border-radius: 2px;
  }
  .aischema .schema-panel svg { display: block; width: 100%; height: auto; }

  /* Couches conditionnelles */
  .schema-panel.hide-constraints .layer-constraints,
  .aischema .schema-panel.hide-constraints .constraint-line { opacity: 0; pointer-events: none; }
  .aischema .schema-panel.hide-loop .layer-loop { opacity: 0; pointer-events: none; }
  .aischema .layer-constraints, .aischema .layer-loop, .aischema .constraint-line {
    transition: opacity 0.4s ease;
  }

  /* Animation */
  @keyframes flow-dash { to { stroke-dashoffset: -20; } }
  .aischema .flow-anim {
    stroke-dasharray: 6 4;
    animation: flow-dash 1.2s linear infinite;
  }
  @keyframes signal-pulse {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 1; }
  }
  .aischema .constraint-line { animation: signal-pulse 3s ease-in-out infinite; }
  @keyframes twinkle {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
  }
  .aischema .latent-dot { animation: twinkle 2.5s ease-in-out infinite; }

  .aischema .legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px 32px;
    margin-top: 32px;
    padding: 24px;
    border: 1px solid var(--border);
    background: var(--panel);
  }
  .aischema .legend h3 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
  }
  .aischema .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 8px;
  }
  .aischema .legend-swatch {
    width: 28px; height: 3px;
    flex-shrink: 0;
  }
  .aischema .swatch-flow { background: var(--flow); }
  .aischema .swatch-instr { background: var(--instr); }
  .aischema .swatch-ai { background: var(--ai); }
  .aischema .swatch-dashed {
    background: repeating-linear-gradient(90deg, currentColor 0, currentColor 3px, transparent 3px, transparent 6px);
    height: 2px;
  }
  .aischema .notes {
    margin-top: 32px;
    padding: 24px;
    border-left: 2px solid var(--flow);
    background: rgba(245, 184, 0, 0.03);
  }
  .aischema .notes h3 { font-size: 14px; margin-bottom: 12px; letter-spacing: 0.02em; }
  .aischema .notes p { color: var(--text-dim); font-size: 13px; line-height: 1.7; margin-bottom: 8px; }
  .aischema .tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    fill: var(--text-dim);
    letter-spacing: 0.05em;
  }
  .aischema .label {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
    font-weight: 600;
    fill: var(--text);
    letter-spacing: 0.02em;
  }
  .aischema .label-sm {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 12px;
    fill: var(--text-dim);
  }
  .aischema .section-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 15px;
    fill: var(--flow);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }
  .aischema .constraint-label {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 11px;
    font-weight: 500;
    fill: #4A9EFF;
    letter-spacing: 0.02em;
  }
/* ===== schéma ChemPocket (Produire) ===== */
.cpschema {
    --bg: transparent;
    --panel: #0C0E12;
    --stroke: #EDEBE4;
    --stroke-dim: #6B6B6B;
    --flow: #FFB81C;
    --flow-dim: #7A5600;
    --instr: #5CB0FF;
    --ai: #FFD34E;
    --hot: #FF7D5C;
    --cold: #64B5F6;
    --safety: #FF6B4A;
    --text: #F0EEE8;
    --text-dim: #C2C8D2;
    --border: #2A2A2A;
  }
  
  
  
  
  
  
  
  
  .cpschema .controls {
    display: flex;
    gap: 8px;
    margin: 32px 0 24px;
    align-items: center;
    flex-wrap: wrap;
  }
  .cpschema .controls-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-right: 8px;
  }
  .cpschema .btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 10px 18px;
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 2px;
  }
  .cpschema .btn:hover { border-color: var(--flow-dim); color: var(--text); }
  .cpschema .btn.active {
    border-color: var(--flow);
    color: var(--flow);
    background: rgba(245, 184, 0, 0.05);
  }
  .cpschema .btn-sm { padding: 6px 12px; font-size: 12px; }
  .cpschema .schema-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 24px;
    position: relative;
    border-radius: 2px;
  }
  .cpschema .schema-panel svg { display: block; width: 100%; height: auto; }

  /* Couches conditionnelles */
  .cpschema .schema-panel.hide-safety .layer-safety { opacity: 0; pointer-events: none; }
  .cpschema .schema-panel.hide-connect .layer-connect { opacity: 0; pointer-events: none; }
  .cpschema .layer-safety, .cpschema .layer-connect { transition: opacity 0.4s ease; }

  /* Toggle variante */
  .schema-panel.variant-standard .variant-pharma,
  .cpschema .schema-panel.variant-pharma .variant-standard { display: none; }

  @keyframes flow-dash { to { stroke-dashoffset: -20; } }
  .cpschema .flow-anim {
    stroke-dasharray: 6 4;
    animation: flow-dash 1.2s linear infinite;
  }
  @keyframes pulse-safety {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 0.9; }
  }
  .cpschema .safety-pulse { animation: pulse-safety 2.2s ease-in-out infinite; }
  @keyframes signal-blink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
  }
  .cpschema .connect-blink { animation: signal-blink 2s ease-in-out infinite; }

  .cpschema .legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px 32px;
    margin-top: 32px;
    padding: 24px;
    border: 1px solid var(--border);
    background: var(--panel);
  }
  .cpschema .legend h3 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
  }
  .cpschema .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 8px;
  }
  .cpschema .legend-swatch { width: 28px; height: 3px; flex-shrink: 0; }
  .cpschema .swatch-flow { background: var(--flow); }
  .cpschema .swatch-safety { background: var(--safety); }
  .cpschema .swatch-connect { background: var(--ai); }
  .cpschema .swatch-dashed {
    background: repeating-linear-gradient(90deg, currentColor 0, currentColor 3px, transparent 3px, transparent 6px);
    height: 2px;
  }
  .cpschema .notes {
    margin-top: 32px;
    padding: 24px;
    border-left: 2px solid var(--flow);
    background: rgba(245, 184, 0, 0.03);
  }
  .cpschema .notes h3 { font-size: 14px; margin-bottom: 12px; letter-spacing: 0.02em; }
  .cpschema .notes p { color: var(--text-dim); font-size: 13px; line-height: 1.7; margin-bottom: 8px; }
  .cpschema .tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    fill: var(--text-dim);
    letter-spacing: 0.05em;
  }
  .cpschema .label {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    fill: var(--text);
    letter-spacing: 0.02em;
  }
  .cpschema .label-sm {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 10px;
    fill: var(--text-dim);
  }
  .cpschema .section-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    fill: var(--flow);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }
  .cpschema .compartment-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 9px;
    fill: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
/* ===== bloc brique unifié (texte + schéma côte à côte, fond sombre) ===== */
.brick-panel{background:#101318;border:1px solid var(--line);border-top:none;border-radius:0 0 4px 4px;
  padding:32px 34px;display:block}
.tvchain-detail-txt{margin-bottom:28px;max-width:900px}
.tvchain-detail-txt h4{font-family:var(--font-display);font-weight:800;font-size:21px;margin-bottom:14px;
  color:var(--paper)}
.tvchain-detail-txt p{font-size:14.5px;line-height:1.6;color:#C9CCD2;margin-bottom:12px}
.tvchain-detail-txt ul{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:10px}
.tvchain-detail-txt li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.5;color:#C9CCD2}
.tvchain-detail-txt li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;
  background:var(--amber);border-radius:1px}
.tvchain-detail-txt li strong{color:var(--paper)}
.tvchain-detail-txt .acts{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.tvchain-detail-txt .acts .lnk{color:var(--amber);border-bottom:2px solid var(--amber);font-weight:600;
  font-size:13px;text-decoration:none;align-self:flex-start}
.brick-schemas{min-width:0}
.brick-schema[hidden]{display:none}
/* les schémas dans le panel : plus de fond propre, ils épousent le panel */
.brick-panel .schema-panel{background:transparent;border:none;padding:0}
.brick-panel .controls{margin:0 0 18px}
@media(max-width:900px){.brick-panel{grid-template-columns:1fr;gap:24px}}

/* ===== AlchemDrive : vague lumineuse sur les carrés ===== */
.ad-cell{fill:#FFD34E;opacity:0.25;animation:adWave 2.1s ease-in-out infinite}
@keyframes adWave{
  0%,70%,100%{opacity:0.25}
  15%{opacity:1}
  35%{opacity:0.5}
}

/* ===== chaîne simplifiée du hero (cliquable vers Technologies) ===== */
.hero-chain{position:absolute;top:0;right:0;bottom:0;width:48%;max-width:520px;
  display:flex;align-items:center;text-decoration:none;transition:opacity .2s}
.hero-chain:hover{opacity:.92}
.hero-chain svg{height:88%;width:100%}
.hero-chain .hc-num{font-family:var(--font-mono);font-size:12px;fill:#5E646E;letter-spacing:.1em}
.hero-chain .hc-label{font-family:var(--font-display);font-weight:800;font-size:19px;fill:var(--paper)}
.hero-chain .hc-sub{font-family:var(--font-mono);font-size:11px;fill:var(--amber);letter-spacing:.12em}
.hero-chain .hc-cta{font-family:var(--font-mono);font-size:12px;fill:var(--amber);letter-spacing:.1em}
.hero-chain:hover .hc-cta{fill:#FFD34E}
.hc-flow{animation:hcflow 1.4s linear infinite}
@keyframes hcflow{to{stroke-dashoffset:-34}}
.hc-cell{opacity:.25;animation:adWave 2.1s ease-in-out infinite}
@media(max-width:980px){.hero-chain{display:none}}

/* ===== schémas sur mobile : défilement horizontal à taille lisible ===== */
@media(max-width:760px){
  .brick-schemas{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;
    border:1px solid var(--line);border-radius:3px;background:#0C0E12}
  .brick-schema .schema-panel{min-width:720px;padding:16px}
  .brick-schema .schema-panel svg{min-width:690px}
  /* indicateur de défilement */
  .brick-schemas::after{content:"← faites défiler →";display:block;text-align:center;
    font-family:var(--font-mono);font-size:11px;color:var(--slate);padding:6px 0 10px;
    position:sticky;left:0}
  .brick-panel{padding:20px 16px}
}

/* ===== lignes de commande AlchemDrive (flux animé des ordres) ===== */
.cmd-line{animation:cmdFlow 1s linear infinite}
@keyframes cmdFlow{to{stroke-dashoffset:-18}}

/* ===== AlchemDrive : encadré explicatif au survol ===== */
.procschema .ad-hoverzone{cursor:help}
.procschema .ad-tooltip{opacity:0;visibility:hidden;transition:opacity .18s ease;pointer-events:none}
.procschema .ad-tooltip.show{opacity:1;visibility:visible}

/* ===== photo intégrée dans le texte d'une brique (ex. ligne pilote PIPAc) ===== */
.tvchain-detail-txt .brick-photo{float:right;width:300px;margin:-40px 0 14px 24px;max-width:42%}
.tvchain-detail-txt .brick-photo img{width:100%;height:auto;display:block;border-radius:4px}
.tvchain-detail-txt .brick-photo figcaption{margin-top:8px;font-size:11.5px;line-height:1.45;
  color:#9AA0A8;font-style:italic}
@media(max-width:640px){.tvchain-detail-txt .brick-photo{float:none;width:100%;max-width:420px;margin:12px 0}}