/* ============================================================
   VivaTech 2026 × Keyrus AI — feuille de style partagée (v2)
   Design system Keyrus AI : clair, lumineux, Poppins.
   Bleu Spiro Disco Ball dominant · orange/rouge en accents.
   Système typographique léger et orienté lecture.
   ============================================================ */
:root{
  /* Core (charte Keyrus AI) */
  --blue:#28C6FF;          /* Spiro Disco Ball - primaire, fills & accents */
  --blue-ink:#0E89BE;      /* bleu lisible pour texte/liens sur fond clair */
  --navy:#002C8D;          /* Air Force Blue - titres forts, boutons */
  --navy-deep:#021E57;
  --indigo:#283856;        /* Japanese Indigo - sections sombres douces */
  --gunmetal:#1A202D;      /* Dark Gunmetal - sections/footer sombres */
  --orange:#FF9810;        /* Yellow Orange - accent (30%) */
  --red:#DB0025;           /* Cadmium Red - accent (15%) */
  --copper:#7C2600;        /* shade texte sur orange */
  --scarlet:#570025;       /* shade texte sur rose/rouge clair */
  /* Tints */
  --bubbles:#E7F5FF;
  --winter:#94E0FF;
  --peach:#FFDCB7;
  --pink:#FFC4CE;
  --lavender:#EAE8FF;
  /* Texte */
  --ink:#1A202D;           /* titres */
  --ink-body:#303030;      /* corps */
  --ink-soft:#5B647A;      /* secondaire */
  --silver:#868686;
  /* Surfaces */
  --paper:#FFFFFF;
  --paper-2:#F3FAFF;       /* blanc bleuté */
  --line:#E4EEF6;
  --line-2:#D6E6F2;
  /* Dégradés de marque */
  --grad-hero:linear-gradient(118deg,#AEE9FF 0%,#DFF4FF 26%,#FDF1F2 56%,#FFE7C9 78%,#FDDAAD 100%);
  --grad-soft:linear-gradient(135deg,#ADE9FF,#ECFAFF);
  --grad-warm:linear-gradient(120deg,#FFF0DF,#FFD7E2);
  --grad-blue:linear-gradient(120deg,#28C6FF,#0E89BE);
  /* Système */
  --maxw:1140px;
  --measure:67ch;
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow-s:0 2px 10px -6px rgba(0,44,141,.18);
  --shadow-m:0 18px 44px -28px rgba(0,44,141,.34);
  --shadow-l:0 34px 70px -40px rgba(0,44,141,.42);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Poppins",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink-body);
  font-weight:400;
  line-height:1.72;
  letter-spacing:-.006em;
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,5vw,46px)}
.wrap-narrow{max-width:880px;margin-inline:auto;padding-inline:clamp(20px,5vw,46px)}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--winter);color:var(--navy-deep)}
strong,b{font-weight:600;color:var(--ink)}

/* ---------- Scroll progress ---------- */
#bar{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;
  background:var(--grad-blue);box-shadow:0 0 14px rgba(40,198,255,.7)}

/* ---------- Top navigation ---------- */
#topnav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;transition:border-color .4s,box-shadow .4s}
#topnav.scrolled{border-color:var(--line);box-shadow:0 10px 30px -24px rgba(0,44,141,.5)}
.navin{max-width:1280px;margin-inline:auto;padding:13px clamp(18px,4vw,40px);
  display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none}
.brand .logo{height:32px;width:auto}
.brand .vt{font-weight:600;font-size:11.5px;letter-spacing:.03em;color:var(--ink-soft);
  border-left:1px solid var(--line-2);padding-left:13px;line-height:1.25}
.brand .vt b{color:var(--blue-ink);font-weight:700;display:block;font-size:12.5px}
.navlinks{display:flex;align-items:center;gap:2px}
.navlinks a{text-decoration:none;font-size:13.5px;font-weight:500;color:var(--ink-soft);
  padding:9px 13px;border-radius:999px;transition:.28s var(--ease);white-space:nowrap}
.navlinks a:hover{color:var(--navy);background:var(--paper-2)}
.navlinks a.active{color:var(--navy);font-weight:600}
.navlinks a.active::after{content:"";display:block;height:2px;width:16px;margin:3px auto 0;
  background:var(--blue);border-radius:2px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--navy);border-radius:2px;transition:.3s}
@media(max-width:920px){
  .navlinks{position:fixed;inset:60px 0 auto 0;background:#fff;flex-direction:column;
    align-items:stretch;padding:12px clamp(18px,4vw,40px) 20px;gap:1px;border-bottom:1px solid var(--line);
    transform:translateY(-135%);transition:transform .45s var(--ease);box-shadow:var(--shadow-m)}
  .navlinks.open{transform:none}
  .navlinks a{padding:13px 8px;font-size:15px}
  .navlinks a.active::after{margin:3px 0 0}
  .burger{display:flex}
}

/* ---------- Reveal (doux) ---------- */
.rv{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.07s}.rv.d2{transition-delay:.14s}.rv.d3{transition-delay:.21s}
.rv.d4{transition-delay:.28s}.rv.d5{transition-delay:.35s}
@media(prefers-reduced-motion:reduce){.rv{transition:none;opacity:1;transform:none}}

/* ---------- Decorative brand chevron ---------- */
.chev{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.chev::before{content:"";position:absolute;right:-8%;top:-30%;width:48%;height:160%;
  background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(255,255,255,0));
  clip-path:polygon(38% 0,100% 0,100% 100%,0 100%);opacity:.5}

/* ---------- HERO (clair, dégradé de marque) ---------- */
.hero{position:relative;isolation:isolate;background:var(--grad-hero);color:var(--ink);overflow:hidden}
.hero.full{min-height:calc(100svh - 58px);display:flex;align-items:center;padding:76px 0 52px}
.hero.page{padding:88px 0 60px}
.hero .glow{position:absolute;inset:0;z-index:-1;opacity:.7;mix-blend-mode:screen}
.hero .glow span{position:absolute;border-radius:50%;filter:blur(70px)}
.hero .g1{width:42vw;height:42vw;left:54%;top:-12%;background:radial-gradient(circle,rgba(40,198,255,.55),transparent 65%);animation:float1 22s var(--ease) infinite alternate}
.hero .g2{width:34vw;height:34vw;left:-6%;top:34%;background:radial-gradient(circle,rgba(255,152,16,.32),transparent 64%);animation:float2 26s var(--ease) infinite alternate}
@keyframes float1{to{transform:translate3d(-7%,9%,0) scale(1.12)}}
@keyframes float2{to{transform:translate3d(9%,-7%,0) scale(1.1)}}
.hero .g3{width:30vw;height:30vw;left:22%;top:6%;background:radial-gradient(circle,rgba(219,0,37,.18),transparent 62%);animation:float3 30s var(--ease) infinite alternate}
@keyframes float3{to{transform:translate3d(-9%,11%,0) scale(1.18)}}
@media(prefers-reduced-motion:reduce){.hero .glow span{animation:none}}

/* ----- Hero wow : constellation, photo flottante, mots dégradés ----- */
#net{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;
  -webkit-mask-image:radial-gradient(125% 105% at 72% 38%,#000 48%,transparent 100%);
  mask-image:radial-gradient(125% 105% at 72% 38%,#000 48%,transparent 100%)}
h1.title .tln{display:block}
h1.title .warm,h1.title .bluegrad{background-size:240% auto;animation:shimmer 7s linear infinite}
h1.title .bluegrad{background:linear-gradient(95deg,var(--blue) 0,var(--navy) 45%,var(--blue) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes shimmer{to{background-position:-240% center}}
.figwrap{position:relative;will-change:transform;transition:transform .3s var(--ease)}
.hero.full .herofig{animation:floaty 7s var(--ease) infinite alternate;transform:perspective(1100px) rotateY(-5deg)}
@keyframes floaty{from{transform:perspective(1100px) rotateY(-5deg) translateY(0)}to{transform:perspective(1100px) rotateY(-2.5deg) translateY(-15px)}}
.hero.full .herofig::after{content:"";position:absolute;inset:-3px;z-index:-1;border-radius:25px;
  background:linear-gradient(140deg,var(--blue),transparent 46%,var(--orange));opacity:.55;filter:blur(28px)}
.figbadge{position:absolute;left:-22px;top:22px;z-index:4;background:#fff;border-radius:16px;
  padding:12px 17px 12px 15px;box-shadow:var(--shadow-l);display:flex;align-items:center;gap:12px;
  animation:floaty2 5.5s var(--ease) infinite alternate}
.figbadge .bn{font-size:25px;font-weight:700;letter-spacing:-.03em;line-height:1;
  background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.figbadge .bl{font-size:10px;font-weight:600;color:var(--ink-soft);line-height:1.3;max-width:10ch;
  text-transform:uppercase;letter-spacing:.04em}
@keyframes floaty2{to{transform:translateY(11px)}}
@media(max-width:900px){.hero.full .herofig{animation:none;transform:none}.figbadge{left:6px;top:6px;animation:none}.figwrap{transform:none!important}}
@media(prefers-reduced-motion:reduce){.hero.full .herofig,.figbadge,.hero .g3{animation:none}
  .hero.full .herofig{transform:none}h1.title .warm,h1.title .bluegrad{animation:none}}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:clamp(32px,5vw,64px);align-items:center;width:100%}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:34px}}

.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue-ink);margin-bottom:20px}
.kicker::before{content:"";width:26px;height:2px;background:var(--blue);border-radius:2px}
h1.title{font-weight:700;line-height:1.05;letter-spacing:-.03em;font-size:clamp(34px,5.2vw,64px);color:var(--ink)}
h1.title em{font-style:normal;color:var(--navy)}
h1.title .blue{color:var(--blue-ink)}
h1.title .warm{background:linear-gradient(95deg,var(--red),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{margin-top:22px;max-width:54ch;font-size:clamp(16px,1.55vw,19px);font-weight:400;color:var(--ink-body)}
.lede strong{color:var(--navy)}
.metarow{margin-top:28px;display:flex;flex-wrap:wrap;gap:9px}
.chip{font-size:12px;font-weight:500;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.55);color:var(--ink-body);backdrop-filter:blur(4px)}
.herobtns{margin-top:32px;display:flex;flex-wrap:wrap;gap:13px}
.btn{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-weight:600;font-size:14.5px;
  padding:13px 24px;border-radius:999px;transition:.3s var(--ease);border:1px solid transparent}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-blue{background:var(--navy);color:#fff}
.btn-blue:hover{background:var(--navy-deep);box-shadow:0 16px 34px -18px rgba(0,44,141,.6)}
.btn-cy{background:var(--blue);color:var(--navy-deep)}
.btn-cy:hover{filter:brightness(1.05);box-shadow:0 16px 36px -18px rgba(40,198,255,.7)}
.btn-ghost{border-color:var(--line-2);color:var(--navy);background:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:var(--navy);background:#fff}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* hero side : photo */
.herofig{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-l);
  aspect-ratio:4/3;background:var(--bubbles)}
.herofig img{width:100%;height:100%;object-fit:cover}
.herofig .cap{position:absolute;left:0;right:0;bottom:0;padding:30px 18px 12px;
  background:linear-gradient(0deg,rgba(26,32,45,.82),transparent);color:#fff;font-size:11.5px;font-weight:400}
.herofig .cap b{font-weight:600}

.scrollcue{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
  font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-ink);
  display:flex;flex-direction:column;align-items:center;gap:7px;opacity:.8}
.scrollcue i{width:1px;height:30px;background:linear-gradient(var(--blue),transparent);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.3;transform:scaleY(.5);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}
@media(prefers-reduced-motion:reduce){.scrollcue i{animation:none}}

/* ---------- Sections ---------- */
section{position:relative;padding:clamp(50px,7.4vh,88px) 0}
.tint{background:var(--paper-2)}
.soft{background:var(--grad-soft)}
.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-ink)}
h2{font-weight:700;letter-spacing:-.025em;line-height:1.12;font-size:clamp(26px,3.7vw,44px);margin-top:13px;color:var(--ink)}
h2 .hl{color:var(--navy)}
h2 .blue{color:var(--blue-ink)}
h2 .warm{background:linear-gradient(95deg,var(--red),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{margin-top:18px;max-width:var(--measure);font-size:clamp(15px,1.4vw,17.5px);color:var(--ink-soft);font-weight:400}
.sub strong{color:var(--ink)}
h3.mini{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-ink);margin:0}

/* dark sections (sobres, ponctuelles) */
.dark{background:var(--indigo);color:#fff}
.dark .eyebrow{color:var(--blue)}
.dark h2{color:#fff}.dark h2 .hl{color:var(--blue)}.dark h2 .blue{color:var(--winter)}
.dark .sub{color:rgba(255,255,255,.76)}.dark .sub strong{color:#fff}
.deepest{background:var(--gunmetal);color:#fff}
.deepest .eyebrow{color:var(--blue)}
.deepest h2{color:#fff}.deepest h2 .hl{color:var(--blue)}
.deepest .sub{color:rgba(255,255,255,.74)}

/* ---------- Prose (lecture) ---------- */
.prose{max-width:var(--measure);font-size:17px;line-height:1.78;color:var(--ink-body)}
.prose>p{margin-top:18px}
.prose>p:first-child{margin-top:0}
.prose h3{font-size:clamp(19px,2.1vw,24px);font-weight:600;letter-spacing:-.02em;color:var(--ink);margin-top:42px}
.prose h3+p{margin-top:12px}
.prose strong{color:var(--navy);font-weight:600}
.prose .lead{font-size:19px;color:var(--ink);font-weight:400}
.prose em{font-style:italic;color:var(--ink-soft)}
.dark .prose,.deepest .prose{color:rgba(255,255,255,.82)}
.dark .prose strong,.deepest .prose strong{color:var(--blue)}
.dark .prose .lead,.deepest .prose .lead{color:#fff}
.dark .prose em,.deepest .prose em{color:rgba(255,255,255,.72)}

/* ---------- Figures / images (avec crédit) ---------- */
figure.shot{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--bubbles);box-shadow:var(--shadow-m);position:relative}
figure.shot img{width:100%;height:100%;object-fit:cover;display:block}
figure.shot figcaption{padding:13px 16px;font-size:12.5px;color:var(--ink-soft);background:#fff;border-top:1px solid var(--line)}
figure.shot figcaption b{color:var(--ink);font-weight:600}
.credit{font-size:10.5px;color:var(--silver);font-weight:400}
.imgband{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:46px}
@media(max-width:760px){.imgband{grid-template-columns:1fr}}

/* ---------- Stat band ---------- */
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:42px}
.stat{padding:26px 24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s)}
.stat .v{font-size:clamp(30px,3.8vw,46px);font-weight:700;letter-spacing:-.03em;line-height:1;
  background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .v.or{background:linear-gradient(95deg,var(--orange),#ffb74d);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .v.rd{background:linear-gradient(95deg,var(--red),#ff5a78);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{margin-top:11px;font-size:13.5px;font-weight:400;color:var(--ink-soft);line-height:1.5}
.stat .s{margin-top:9px;font-size:10.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--silver)}
.dark .stat,.deepest .stat{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.dark .stat .l,.deepest .stat .l{color:rgba(255,255,255,.7)}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
@media(max-width:880px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.cards{grid-template-columns:1fr}}
.card{position:relative;border-radius:var(--radius);border:1px solid var(--line);background:#fff;padding:26px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;box-shadow:var(--shadow-s)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--winter)}
.tag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;margin-bottom:14px}
.tag.cy{background:var(--bubbles);color:var(--blue-ink)}
.tag.nv{background:rgba(0,44,141,.08);color:var(--navy)}
.tag.or{background:#FFF0DF;color:var(--copper)}
.tag.rd{background:#FFE3E8;color:var(--scarlet)}
.card h3{font-size:18px;font-weight:600;letter-spacing:-.015em;line-height:1.3;color:var(--ink)}
.card p{margin-top:10px;font-size:14px;font-weight:400;color:var(--ink-soft);line-height:1.58}
.card .topnum{font-size:12.5px;font-weight:700;color:var(--blue-ink);letter-spacing:.03em}
.card.feature{background:var(--grad-soft);border-color:var(--winter)}
.card.dark{background:var(--indigo);border:none;color:#fff}
.card.dark h3{color:#fff}.card.dark p{color:rgba(255,255,255,.8)}
.card.dark .tag{background:rgba(40,198,255,.18);color:var(--winter)}

/* nav-cards */
.navcards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
@media(max-width:820px){.navcards{grid-template-columns:1fr}}
a.ncard{text-decoration:none;border-radius:var(--radius);padding:28px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;min-height:200px;transition:.45s var(--ease);box-shadow:var(--shadow-s)}
a.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:var(--winter)}
a.ncard .num{font-size:12.5px;font-weight:700;color:var(--blue-ink)}
a.ncard h3{margin-top:13px;font-size:20px;font-weight:600;color:var(--ink);letter-spacing:-.02em}
a.ncard p{margin-top:9px;font-size:13.5px;font-weight:400;color:var(--ink-soft);flex:1;line-height:1.55}
a.ncard .go{margin-top:15px;font-size:13px;font-weight:600;color:var(--navy);display:inline-flex;gap:7px;align-items:center}
a.ncard:hover .go .arr{transform:translateX(5px)}
.go .arr{transition:transform .3s var(--ease)}

/* ---------- Notion blocks ---------- */
.notion{display:grid;grid-template-columns:.96fr 1.04fr;gap:clamp(26px,4vw,56px);align-items:center;margin-top:44px}
.notion.flip{grid-template-columns:1.04fr .96fr}
.notion.flip .ncopy{order:2}
@media(max-width:820px){.notion,.notion.flip{grid-template-columns:1fr;gap:26px}.notion.flip .ncopy{order:0}}
.nterm{font-size:clamp(20px,2.3vw,27px);font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.nterm small{display:block;font-size:12.5px;font-weight:500;letter-spacing:.03em;color:var(--blue-ink);margin-top:5px}
.dark .nterm,.deepest .nterm{color:#fff}.dark .nterm small,.deepest .nterm small{color:var(--blue)}
.ndef{margin-top:15px;font-weight:400;font-size:15.5px;color:var(--ink-body);line-height:1.66}
.dark .ndef,.deepest .ndef{color:rgba(255,255,255,.8)}
.npoint{margin-top:15px;padding-top:15px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-soft);line-height:1.6}
.npoint b{font-weight:600;color:var(--navy)}
.dark .npoint,.deepest .npoint{border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.78)}.dark .npoint b,.deepest .npoint b{color:var(--blue)}
.nvis{position:relative;border-radius:var(--radius);padding:28px;min-height:230px;display:grid;place-items:center;
  background:var(--paper-2);border:1px solid var(--line);overflow:hidden}
.dark .nvis,.deepest .nvis{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.nvis svg{width:100%;height:auto;max-width:430px}
.nvis.photo{padding:0;border:none;background:none}
.bignum{font-size:clamp(50px,8vw,96px);font-weight:700;letter-spacing:-.035em;line-height:.9;
  background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.bignum.or{background:linear-gradient(95deg,var(--orange),#ffb74d);-webkit-background-clip:text;background-clip:text;color:transparent}
.bignum.rd{background:linear-gradient(95deg,var(--red),#ff5a78);-webkit-background-clip:text;background-clip:text;color:transparent}
.numcap{margin-top:10px;font-size:13px;font-weight:400;color:var(--ink-soft);max-width:28ch;text-align:center;line-height:1.5}

/* link pills */
.links{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.links a{font-size:11.5px;font-weight:500;text-decoration:none;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--ink-soft);transition:.3s var(--ease);display:inline-flex;gap:7px;align-items:center;background:#fff}
.links a::before{content:"↗";font-size:11px;color:var(--blue-ink)}
.links a:hover{border-color:var(--blue);color:var(--navy);transform:translateY(-1px)}
.dark .links a{border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.8);background:rgba(255,255,255,.04)}
.dark .links a::before{color:var(--blue)}
.dark .links a:hover{border-color:var(--blue);color:#fff}

/* ---------- Speaker tiles (photos réelles) ---------- */
.speakers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
@media(max-width:900px){.speakers{grid-template-columns:repeat(2,1fr)}}
@media(max-width:470px){.speakers{grid-template-columns:1fr}}
.spk{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:.45s var(--ease);display:flex;flex-direction:column}
.spk:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.spk .ph{aspect-ratio:4/5;overflow:hidden;background:var(--bubbles)}
.spk .ph img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .6s var(--ease)}
.spk:hover .ph img{transform:scale(1.04)}
.spk .body{padding:16px 17px 18px}
.spk h4{font-size:15.5px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.spk .role{margin-top:3px;font-size:12px;font-weight:600;color:var(--blue-ink)}
.spk p{margin-top:9px;font-size:12.5px;font-weight:400;color:var(--ink-soft);line-height:1.5}
.spk .cr{margin-top:10px;font-size:9.5px;color:var(--silver)}

/* ---------- Timeline / frise ---------- */
.frise{margin-top:46px;position:relative;border-left:2px solid var(--line-2);padding-left:32px;
  display:flex;flex-direction:column;gap:30px}
.dark .frise{border-color:rgba(255,255,255,.18)}
.fitem{position:relative}
.fitem::before{content:"";position:absolute;left:-41px;top:5px;width:13px;height:13px;border-radius:50%;
  background:var(--blue);box-shadow:0 0 0 5px rgba(40,198,255,.14)}
.fitem.now::before{background:var(--orange);box-shadow:0 0 0 5px rgba(255,152,16,.2)}
.fitem .yr{font-size:12.5px;font-weight:700;letter-spacing:.03em;color:var(--blue-ink)}
.fitem.now .yr{color:var(--orange)}
.dark .fitem .yr{color:var(--blue)}.dark .fitem.now .yr{color:var(--orange)}
.fitem h4{margin-top:5px;font-size:17px;font-weight:600;letter-spacing:-.015em;color:var(--ink)}
.dark .fitem h4{color:#fff}
.fitem p{margin-top:7px;font-size:14px;font-weight:400;color:var(--ink-soft);max-width:62ch;line-height:1.6}
.dark .fitem p{color:rgba(255,255,255,.74)}

/* ---------- Day timeline ---------- */
.days{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
@media(max-width:760px){.days{grid-template-columns:repeat(2,1fr)}}
.day{border-radius:var(--radius);padding:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);transition:.45s var(--ease)}
.day:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.day .d{font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-ink)}
.day .dn{font-size:30px;font-weight:700;color:var(--ink);letter-spacing:-.03em;line-height:1;margin-top:3px}
.day h4{margin-top:11px;font-size:14.5px;font-weight:600;color:var(--ink)}
.day p{margin-top:7px;font-size:12.5px;font-weight:400;color:var(--ink-soft);line-height:1.5}

/* ---------- HOM layers ---------- */
.hom{margin-top:46px;display:flex;flex-direction:column;gap:13px}
.layer{border-radius:var(--radius);padding:24px 26px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-s);transition:.45s var(--ease)}
.layer:hover{transform:translateX(5px);box-shadow:var(--shadow-m)}
.layer .ln{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;writing-mode:vertical-rl;
  transform:rotate(180deg);color:var(--silver)}
.layer h4{font-size:18px;font-weight:600;color:var(--ink)}
.layer p{margin-top:7px;font-size:14px;font-weight:400;color:var(--ink-soft);line-height:1.58}
.layer h4 .badge{font-size:10.5px;font-weight:700;color:var(--blue-ink);letter-spacing:.04em;margin-left:9px}
.layer.l3{background:linear-gradient(120deg,#E7F5FF,#fff)}
.layer.l2{background:linear-gradient(120deg,#FFF0DF,#fff)}
.layer.l1{background:linear-gradient(120deg,#FFE3E8,#fff)}

/* ---------- Split bar ---------- */
.split{margin-top:42px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-s)}
.splitbar{display:flex;height:112px;font-weight:700}
.splitbar .die{flex-basis:0;background:linear-gradient(180deg,#ff5a78,var(--red));
  display:flex;align-items:center;justify-content:center;color:#fff;transition:flex-grow 1.5s var(--ease)}
.splitbar .live{flex-basis:0;background:var(--grad-blue);color:var(--navy-deep);
  display:flex;align-items:center;justify-content:center;transition:flex-grow 1.5s var(--ease) .2s}
.splitbar span{font-size:clamp(18px,2.6vw,28px)}
.splitlabels{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-soft);margin-top:14px;font-weight:400;gap:14px}

/* ---------- Pull-quote ---------- */
.pullq{margin-top:44px;font-size:clamp(20px,2.9vw,32px);font-weight:600;letter-spacing:-.02em;
  max-width:22ch;line-height:1.24;color:var(--ink)}
.pullq .hl{color:var(--navy)}
.dark .pullq,.deepest .pullq{color:#fff}.dark .pullq .hl,.deepest .pullq .hl{color:var(--blue)}

/* ---------- Callout ---------- */
.callout{margin-top:30px;display:flex;align-items:flex-start;gap:15px;padding:20px 22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s)}
.callout .ic{flex:none;width:32px;height:32px;border-radius:9px;background:var(--grad-blue);display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:15px}
.callout .ic.warm{background:linear-gradient(120deg,var(--red),var(--orange))}
.callout p{font-size:14px;font-weight:400;color:var(--ink-soft);line-height:1.6}
.callout p b{font-weight:600;color:var(--ink)}
.dark .callout{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.dark .callout p{color:rgba(255,255,255,.82)}.dark .callout p b{color:#fff}

/* ---------- Sources list ---------- */
.srcgroup{margin-top:34px}
.srcgroup h3{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-ink);margin-bottom:4px}
.srclist2{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.srcitem{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:start;padding:16px 18px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);text-decoration:none;transition:.3s var(--ease)}
.srcitem:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow-m)}
.srcitem .q{font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 9px;border-radius:999px;white-space:nowrap}
.q.prim{background:#E7F5FF;color:var(--blue-ink)}
.q.sec{background:rgba(0,44,141,.08);color:var(--navy)}
.q.tier{background:#FFF0DF;color:var(--copper)}
.srcitem .t{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4}
.srcitem .u{font-size:11.5px;color:var(--ink-soft);margin-top:3px;word-break:break-all}
.srcitem .go2{font-size:16px;color:var(--blue-ink);align-self:center}

/* ---------- Inline source links in prose ---------- */
.prose a:not(.btn){color:var(--blue-ink);text-decoration:underline;text-decoration-thickness:1.5px;
  text-underline-offset:2.5px;text-decoration-color:rgba(40,198,255,.45);font-weight:500;transition:.25s var(--ease)}
.prose a:not(.btn):hover{text-decoration-color:var(--blue-ink)}
.dark .prose a:not(.btn),.deepest .prose a:not(.btn){color:var(--winter);text-decoration-color:rgba(148,224,255,.5)}
.srcref{font-size:.62em;font-weight:700;color:var(--blue-ink);text-decoration:none;vertical-align:super;
  margin-left:1px;border-bottom:0;padding:0 1px}
.dark .srcref,.deepest .srcref{color:var(--winter)}

/* ---------- Logos strip (entreprises citées) ---------- */
.logos{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px}
.logos .ll{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--silver);margin-right:4px}
.logos img{height:21px;width:auto;opacity:.62;filter:saturate(0);transition:opacity .3s var(--ease),filter .3s}
.logos img:hover{opacity:1;filter:none}
.dark .logos .ll,.deepest .logos .ll{color:rgba(255,255,255,.5)}

/* ---------- Wide two-col (synthèse mini-site) ---------- */
.two{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,4.2vw,60px);align-items:center;margin-top:42px}
.two.flip>.tx{order:2}
@media(max-width:860px){.two,.two.flip{grid-template-columns:1fr;gap:28px}.two.flip>.tx{order:0}}
.two .tx h3{font-size:clamp(20px,2.3vw,27px);font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1.18}
.dark .two .tx h3,.deepest .two .tx h3{color:#fff}
.two .tx .p{margin-top:14px;font-size:16px;line-height:1.7;color:var(--ink-body)}
.dark .two .tx .p,.deepest .two .tx .p{color:rgba(255,255,255,.8)}
.two .tx .p a:not(.btn){color:var(--blue-ink);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:2.5px;text-decoration-color:rgba(40,198,255,.45);font-weight:500}
.dark .two .tx .p a:not(.btn),.deepest .two .tx .p a:not(.btn){color:var(--winter)}
.two .tx .p strong{color:var(--navy);font-weight:600}
.dark .two .tx .p strong,.deepest .two .tx .p strong{color:var(--blue)}
.panel{border-radius:var(--radius);padding:28px;background:var(--paper-2);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.dark .panel,.deepest .panel{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.panel.photo{padding:0;border:none;overflow:hidden;background:var(--bubbles)}
.panel.photo img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:4/3}
.panel.photo figcaption{padding:11px 15px;font-size:11.5px;color:var(--ink-soft);background:#fff;border-top:1px solid var(--line)}
.panel .stk{display:flex;flex-direction:column;gap:16px}
.panel .stk .row{display:flex;align-items:baseline;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.panel .stk .row:last-child{border-bottom:0;padding-bottom:0}
.dark .panel .stk .row,.deepest .panel .stk .row{border-color:rgba(255,255,255,.12)}
.panel .stk .n{font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.03em;line-height:1;flex:none;min-width:3.4em;
  background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.panel .stk .n.or{background:linear-gradient(95deg,var(--orange),#ffb74d);-webkit-background-clip:text;background-clip:text;color:transparent}
.panel .stk .n.rd{background:linear-gradient(95deg,var(--red),#ff5a78);-webkit-background-clip:text;background-clip:text;color:transparent}
.panel .stk .lab{font-size:13px;color:var(--ink-soft);line-height:1.45}
.dark .panel .stk .lab,.deepest .panel .stk .lab{color:rgba(255,255,255,.72)}

/* ---------- Signal → implication (Le regard Keyrus) ---------- */
.sigtag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--blue-ink);background:var(--bubbles);padding:5px 13px;border-radius:999px;margin-bottom:15px}
.dark .sigtag,.deepest .sigtag{background:rgba(40,198,255,.16);color:var(--winter)}
.read{display:flex;flex-direction:column;gap:clamp(34px,5vh,64px);margin-top:48px}
.signal{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.signal.flip>.tx{order:2}
@media(max-width:860px){.signal,.signal.flip{grid-template-columns:1fr;gap:24px}.signal.flip>.tx{order:0}}
.signal .tx h3{font-size:clamp(20px,2.4vw,28px);font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1.18}
.signal .tx .p{margin-top:13px;font-size:16px;line-height:1.68;color:var(--ink-body)}
.signal .tx .p strong{color:var(--navy);font-weight:600}
.signal .tx .p a:not(.btn){color:var(--blue-ink);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:2.5px;text-decoration-color:rgba(40,198,255,.45);font-weight:500}
.implic{position:relative;border-radius:var(--radius);padding:26px 28px;
  background:linear-gradient(135deg,#EAF7FF,#FFF6EF);border:1px solid var(--winter);box-shadow:var(--shadow-s)}
.implic .il{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.07em;
  text-transform:uppercase;color:var(--blue-ink);margin-bottom:12px}
.implic .il::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--grad-blue);
  display:inline-block;box-shadow:0 0 0 4px rgba(40,198,255,.16)}
.implic h4{font-size:16.5px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.implic p{margin-top:8px;font-size:14.5px;line-height:1.6;color:var(--ink-soft)}
.implic p strong{color:var(--navy);font-weight:600}
.implic.warm{background:linear-gradient(135deg,#FFF0DF,#FFE3E8);border-color:#FFD0A8}

/* ---------- Conférences clés ---------- */
.confs{margin-top:44px;display:flex;flex-direction:column;gap:18px}
.conf{border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-s);
  padding:28px clamp(22px,3vw,34px);transition:.45s var(--ease)}
.conf:hover{box-shadow:var(--shadow-m);border-color:var(--winter);transform:translateY(-3px)}
.conf .top{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between}
.conf .st{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-ink)}
.conf .dt{font-size:12px;font-weight:600;color:var(--ink-soft)}
.conf h3{margin-top:12px;font-size:clamp(18px,2.1vw,24px);font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1.22}
.conf .who{margin-top:11px;display:flex;flex-wrap:wrap;gap:7px}
.conf .who span{font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--bubbles);color:var(--navy)}
.conf .enjtitle{margin-top:20px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-ink)}
.conf .enj{margin-top:11px;display:grid;grid-template-columns:1fr 1fr;gap:9px 28px}
@media(max-width:680px){.conf .enj{grid-template-columns:1fr}}
.conf .enj li{list-style:none;font-size:14px;color:var(--ink-body);line-height:1.5;padding-left:21px;position:relative}
.conf .enj li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--blue)}
.conf .enj li b{color:var(--navy);font-weight:600}

/* ---------- Final / closing (sans CTA) ---------- */
.closing{text-align:center}
.closing h2{max-width:20ch;margin-inline:auto}
.closing .sub{margin-inline:auto}

/* ---------- Footer ---------- */
footer{background:var(--gunmetal);color:rgba(255,255,255,.66);padding:60px 0 36px}
.flogo{display:flex;align-items:center;gap:13px}
.flogo img{height:34px}
.flogo .vt{font-size:11.5px;font-weight:500;color:rgba(255,255,255,.55);border-left:1px solid rgba(255,255,255,.18);padding-left:13px;line-height:1.3}
.fnote{margin-top:15px;font-size:12.5px;font-weight:400;max-width:42ch;line-height:1.62;color:rgba(255,255,255,.62)}
.ftop{margin-top:10px;display:grid;grid-template-columns:1.4fr .9fr .9fr .9fr;gap:24px 30px;align-items:start}
.fcol a{white-space:nowrap}
@media(max-width:860px){.ftop{grid-template-columns:1fr 1fr;gap:26px}.fcol a{white-space:normal}}
@media(max-width:520px){.ftop{grid-template-columns:1fr}}
.fcol h5{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:rgba(255,255,255,.48);font-weight:600;margin-bottom:11px}
.fcol a{display:block;font-size:13px;font-weight:400;color:rgba(255,255,255,.7);text-decoration:none;padding:4px 0;transition:.3s}
.fcol a:hover{color:var(--blue)}
.disclaimer{margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:11.5px;font-weight:400;color:rgba(255,255,255,.46);max-width:84ch;line-height:1.65}
.fbase{margin-top:24px;font-size:11.5px;color:rgba(255,255,255,.38);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}