/* Quant Alpha Crypto · site public · refonte du 24/09/2026.
   Système de design de la plateforme (design/maquette du 09/09/2026) : mêmes jetons,
   mêmes polices embarquées (Fraunces, Manrope, IBM Plex Mono ; licences dans fonts/LICENSES),
   aucun texte sous 13,5 px, aucun appel réseau tiers. */
@font-face { font-family: "Fraunces"; font-weight: 600; font-display: swap; src: url("fonts/Fraunces-600-opsz34-latin.woff2") format("woff2"); }
@font-face { font-family: "Manrope"; font-weight: 500; font-display: swap; src: url("fonts/Manrope-500-latin.woff2") format("woff2"); }
@font-face { font-family: "Manrope"; font-weight: 600; font-display: swap; src: url("fonts/Manrope-600-latin.woff2") format("woff2"); }
@font-face { font-family: "Manrope"; font-weight: 800; font-display: swap; src: url("fonts/Manrope-800-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url("fonts/IBMPlexMono-500-latin.woff2") format("woff2"); }

:root {
  --ink: #0E1116; --ink2: #121721; --panel: #161C26; --panel2: #1B2230; --hair: #242C39; --hair2: #303A4A;
  --text: #EEF1F5; --muted: #95A0B4; --faint: #5E6879;
  --core: #F5B84D; --core2: #FFD27A; --sat: #4FD1C5; --sat2: #8FE7DE; --ens: #DCE6FF; --gain: #5AD38F; --loss: #F0716B;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Manrope", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  --gutter: clamp(16px, 4vw, 40px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  background: var(--ink); color: var(--text); font-family: var(--body); font-size: 18px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(900px 500px at 12% -10%, rgba(245, 184, 77, .10), transparent 60%),
                    radial-gradient(800px 500px at 95% 0%, rgba(79, 209, 197, .09), transparent 60%);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img, svg { display: block; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── Barre ─────────────────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 22px; padding: 14px var(--gutter);
  border-bottom: 1px solid var(--hair); background: rgba(14, 17, 22, .72);
  position: sticky; top: 0; backdrop-filter: blur(8px); z-index: 30;
}
.brand { display: flex; align-items: center; gap: 13px; flex: none; }
.brand .mark {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  background: conic-gradient(from 210deg, var(--core), var(--sat), var(--core));
  display: grid; place-items: center; font-family: var(--display); font-weight: 600; color: #0E1116; font-size: 20px;
}
.brand b { font-family: var(--display); font-weight: 600; font-size: 23px; letter-spacing: .2px; display: block; line-height: 1.05; }
.brand small { color: var(--muted); font-size: 13.5px; letter-spacing: .4px; text-transform: uppercase; white-space: nowrap; display: block; margin-top: 2px; }
.nav { display: flex; gap: 2px; margin-left: 6px; }
.nav a { padding: 8px 13px; border-radius: 10px; color: var(--muted); font-size: 17px; font-weight: 600; white-space: nowrap; }
.nav a:hover { color: var(--text); background: rgba(255, 255, 255, .04); }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; min-width: 0; }
.chips { display: inline-flex; gap: 2px; background: var(--panel); border: 1px solid var(--hair); border-radius: 10px; padding: 3px; }
.chips button { background: transparent; border: 0; color: var(--muted); font-weight: 700; font-size: 14.5px; padding: 7px 12px; border-radius: 8px; cursor: pointer; }
.chips button.on { background: var(--panel2); color: var(--text); box-shadow: inset 0 0 0 1px var(--hair2); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 11px 18px; border-radius: 11px; font-weight: 700; font-size: 17px; cursor: pointer; border: 1px solid transparent; white-space: nowrap; }
.btn.gold { background: var(--core); color: #1a1200; }
.btn.gold:hover { background: var(--core2); }
.btn.ghost { border-color: var(--hair2); color: var(--text); background: var(--panel); }
.btn.ghost:hover { background: var(--panel2); }
.btn.platform { gap: 5px; }

/* ── Gabarit ───────────────────────────────────────────────────────────── */
main { max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter) 40px; }
section { padding: 64px 0 12px; }
.eyebrow { color: var(--muted); font-size: 14.5px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; margin-bottom: 10px; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -.01em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(42px, 5.6vw, 72px); line-height: 1.04; }
h2 { font-size: clamp(34px, 3.8vw, 50px); line-height: 1.08; margin-bottom: 16px; }
h3 { font-size: 26px; line-height: 1.15; }
p { margin: 0; }
.lead { color: var(--muted); font-size: 21px; line-height: 1.55; max-width: 820px; }
.muted { color: var(--muted); }
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .025), rgba(255, 255, 255, 0)), var(--panel);
  border: 1px solid var(--hair); border-radius: 16px; padding: 24px 26px; position: relative;
}
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .16), transparent); border-radius: 16px 16px 0 0; }
.grid { display: grid; gap: 14px; }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
/* ── Accueil ───────────────────────────────────────────────────────────── */
.hero { padding: 96px 0 40px; }
.hero .lead { margin-top: 20px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; align-items: center; }
.hero .note { color: var(--faint); font-size: 15.5px; }

/* ── Stratégie ─────────────────────────────────────────────────────────── */
.kicker { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 14.5px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; margin-bottom: 12px; }
.kicker .sw { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.sw.core { background: var(--core); } .sw.sat { background: var(--sat); } .sw.ens { background: var(--ens); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 17.5px; line-height: 1.6; }
.card p b { color: var(--text); font-weight: 600; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; font-size: 14.5px; font-weight: 700; letter-spacing: .02em; line-height: 1.3; border: 1px solid rgba(245, 184, 77, .45); color: var(--core2); background: rgba(245, 184, 77, .14); margin-top: 16px; max-width: 100%; }
.pill .dot { flex: none; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gain); box-shadow: 0 0 0 3px rgba(90, 211, 143, .18); }
.risk { margin-top: 16px; padding: 14px 18px; border-radius: 12px; border: 1px solid rgba(240, 113, 107, .35); background: rgba(240, 113, 107, .08); color: var(--text); font-size: 17px; line-height: 1.55; }
.risk b { color: #F7A29C; }
.note { color: var(--faint); font-size: 15.5px; margin-top: 12px; }

/* ── Technologie ───────────────────────────────────────────────────────── */

/* ── Équipe ────────────────────────────────────────────────────────────── */
.person { display: flex; gap: 18px; align-items: flex-start; }
.avatar { width: 56px; height: 56px; border-radius: 50%; flex: none; display: grid; place-items: center; font-family: var(--display); font-weight: 600; font-size: 20px; color: #1a1200; background: linear-gradient(135deg, var(--core), var(--core2)); }
.avatar.teal { background: linear-gradient(135deg, var(--sat), var(--sat2)); color: #062a27; }
.person .role { color: var(--muted); font-size: 14.5px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; margin: 4px 0 10px; }
.person a.li { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; color: var(--core2); font-weight: 700; font-size: 16px; }

/* ── Contact ───────────────────────────────────────────────────────────── */
.contact .card { display: grid; grid-template-columns: 1.2fr 1fr; gap: 26px; align-items: center; }
.contact dl { margin: 0; display: grid; gap: 14px; }
.contact dt { color: var(--muted); font-size: 14.5px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; }
.contact dd { margin: 4px 0 0; font-size: 18px; }
.contact dd a { color: var(--core2); }

/* ── Pied ──────────────────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--hair); margin-top: 40px; padding: 26px var(--gutter) 34px; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
footer .in { max-width: 1240px; margin: 0 auto; display: grid; gap: 12px; }
footer .id { color: var(--text); font-weight: 600; }
footer .id span::before { content: " · "; color: var(--faint); }
footer .id span:first-child::before { content: ""; }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
footer .links a { color: var(--core2); font-weight: 700; }
footer .copy { color: var(--faint); font-size: 13.5px; }

/* ── Fenêtre de contact ────────────────────────────────────────────────── */
.modal-bg { position: fixed; inset: 0; background: rgba(8, 10, 14, .72); backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center; z-index: 60; padding: 24px; }
.modal-bg.on { display: flex; }
.modal { width: min(560px, 100%); background: var(--panel); border: 1px solid var(--hair2); border-radius: 18px; box-shadow: 0 30px 90px rgba(0, 0, 0, .6); padding: 26px 28px; max-height: 92vh; overflow: auto; }
.modal h3 { margin-bottom: 6px; }
.modal .sub { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { color: var(--muted); font-size: 13.5px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; }
.field input, .field textarea { width: 100%; background: var(--ink2); border: 1px solid var(--hair2); border-radius: 10px; color: var(--text); font: inherit; font-size: 16px; padding: 11px 13px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid rgba(245, 184, 77, .55); outline-offset: 1px; }
.cf-turnstile { min-height: 65px; margin: 2px 0 14px; }
@media (max-width: 420px) { .modal-bg { padding: 12px; } .modal { padding: 22px 18px; border-radius: 14px; } }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }
.privacy { color: var(--muted); font-size: 13.5px; line-height: 1.55; margin-top: 16px; }
.privacy a { color: var(--core2); }
.err { color: #F7A29C; font-size: 14.5px; margin-top: 10px; display: none; }
.err.on { display: block; }
.ok { display: none; text-align: center; padding: 14px 0 4px; }
.ok.on { display: block; }
.ok h3 { margin-bottom: 8px; }

/* ── Mentions légales ──────────────────────────────────────────────────── */
.legal main { max-width: 900px; }
.legal h2 { font-size: 24px; margin: 34px 0 10px; }
.legal p, .legal li { color: var(--muted); font-size: 16px; line-height: 1.65; }
.legal p b, .legal li b { color: var(--text); font-weight: 600; }
.legal ul { padding-left: 22px; margin: 8px 0; }
.legal .box { margin-top: 20px; padding: 16px 20px; border-radius: 12px; border: 1px solid var(--hair2); background: var(--panel); font-size: 15px; color: var(--muted); }

/* ── Écrans étroits ────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav { display: none; }
  .brand small { display: none; }
  .btn.platform .sub { display: none; }
  .topbar { gap: 14px; }
}
@media (max-width: 760px) {
  .grid.c3, .grid.c2, .contact .card { grid-template-columns: 1fr; }
  section { padding: 44px 0 8px; }
  .hero { padding: 56px 0 24px; }
  .brand small { display: none; }
  .topbar { gap: 12px; padding: 10px var(--gutter); }
  .chips button { padding: 7px 9px; font-size: 14px; }
  .btn.platform { padding: 10px 13px; font-size: 14.5px; }
  .btn.platform .sub { display: none; }
  .card { padding: 20px 18px; }
}

@media (max-width: 560px) {
  .brand-text { display: none; }
  .topbar .right { gap: 8px; }
}

/* utilitaires d'espacement (CSP stricte : aucun style en ligne) */
.mt22 { margin-top: 22px; } .mt14 { margin-top: 14px; } .mt16 { margin-top: 16px; } .mb16 { margin-bottom: 16px; } .center { justify-content: center; }

/* ── Notre processus : quatre étapes pleine largeur ─────────────────── */
.process { padding-top: 64px; }
.steps-v { list-style: none; margin: 26px 0 0; padding: 0; }
.stepv { display: grid; grid-template-columns: minmax(240px, 32%) 1fr; gap: 36px; padding: 34px 0 34px 34px; position: relative; border-top: 1px solid var(--hair); }
.stepv:last-child { border-bottom: 1px solid var(--hair); }
.stepv::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--hair2); }
.stepv::after { content: ""; position: absolute; left: -5px; top: 44px; width: 11px; height: 11px; border-radius: 50%; background: var(--core); box-shadow: 0 0 0 4px var(--ink); }
.stepv .k { font-family: var(--mono); font-size: 14.5px; letter-spacing: .12em; color: var(--core); text-transform: uppercase; }
.stepv h3 { font-size: 31px; margin: 8px 0 10px; line-height: 1.12; }
.stepv p { color: var(--muted); font-size: 17.5px; margin: 0; line-height: 1.5; }
.stepv-r { min-width: 0; align-self: center; }
.stepv.full { grid-template-columns: 1fr; gap: 20px; }
.stepv.full .stepv-l { max-width: 820px; }
.nets { display: flex; flex-wrap: wrap; gap: 10px; }
.nets.big { gap: 12px; }
.net { position: relative; width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center; background: var(--panel); border: 1px solid var(--hair); color: var(--text); transition: border-color .25s; }
.net.hit { border-color: var(--core); }
.plus { position: absolute; left: 50%; top: -6px; transform: translate(-50%, 6px); font-family: var(--mono); font-size: 14.5px; font-weight: 600; color: var(--core); pointer-events: none; animation: rise 1s ease-out forwards; }
@keyframes rise { 0% { opacity: 0; transform: translate(-50%, 8px); } 20% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -26px); } }
.net svg { width: 21px; height: 21px; }
.nets.big .net { width: 64px; height: 64px; border-radius: 16px; } .nets.big .net svg { width: 30px; height: 30px; }
.net.n-tg { color: #26A5E4; } .net.n-bs { color: #0285FF; } .net.n-yt { color: #FF3D3D; } .net.n-pr { color: var(--muted); }
.model { background: var(--panel); border: 1px solid var(--hair); border-radius: 14px; padding: 16px 18px 12px; }
.model .wavec { width: 100%; height: 110px; display: block; }
.model .ml { display: flex; justify-content: space-between; gap: 10px; font-family: var(--mono); font-size: 14.5px; color: var(--faint); margin-top: 8px; }
.sigcards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.sigcard { background: var(--panel); border: 1px solid var(--hair); border-radius: 14px; padding: 16px 16px 14px; }
.sigcard .who { display: flex; align-items: center; gap: 10px; }
.sigcard .who img { width: 36px; height: 36px; border-radius: 50%; }
.sigcard .who b { font-size: 18px; color: var(--text); } .sigcard .nm { color: var(--muted); font-size: 14.5px; }
.sigcard .cat { display: inline-block; margin: 14px 0 10px; font-family: var(--mono); font-size: 14px; border: 1px solid var(--hair2); border-radius: 999px; padding: 3px 10px; color: var(--muted); }
/* couleurs des étiquettes de catalyseur : celles de la page Trading de la plateforme */
.sigcard .cat-listing { color: #7FD3FF; border-color: rgba(127, 211, 255, .45); background: rgba(127, 211, 255, .10); }
.sigcard .cat-tokenomics { color: #FFD27A; border-color: rgba(245, 184, 77, .45); background: rgba(245, 184, 77, .12); }
.sigcard .cat-technology { color: #8DA2F5; border-color: rgba(141, 162, 245, .45); background: rgba(141, 162, 245, .12); }
.sigcard .cat-partnership { color: #8FE7B5; border-color: rgba(90, 211, 143, .45); background: rgba(90, 211, 143, .12); }
.sigcard .cat-regulation { color: #DCC7FF; border-color: rgba(181, 123, 255, .45); background: rgba(181, 123, 255, .12); }
.sigcard .cat-politics { color: #F3BA2F; border-color: rgba(243, 186, 47, .45); background: rgba(243, 186, 47, .10); }
.sigcard .cat-security { color: #F7A29C; border-color: rgba(240, 113, 107, .5); background: rgba(240, 113, 107, .12); }
.sigcard .cat-institutional { color: #DCE6FF; border-color: rgba(220, 230, 255, .4); background: rgba(220, 230, 255, .08); }
.sigcard .cat-whale { color: #4FD1C5; border-color: rgba(79, 209, 197, .45); background: rgba(79, 209, 197, .10); }
.sigcard .cat-spillover { color: #F7931A; border-color: rgba(247, 147, 26, .45); background: rgba(247, 147, 26, .10); }
.sigcard .dt { font-family: var(--mono); font-size: 14px; color: var(--faint); margin-left: 10px; }
.sigcard p { font-size: 16.5px; color: var(--text); margin: 0; line-height: 1.5; }
.sigfoot { color: var(--faint); font-size: 14px; margin: 12px 0 0; line-height: 1.45; }
.stack { display: grid; grid-template-columns: repeat(20, minmax(0, 1fr)); gap: 7px; }
.stack img { width: 100%; aspect-ratio: 1; height: auto; border-radius: 50%; border: 1.5px solid var(--hair2); background: var(--panel); display: block; position: relative; cursor: pointer; transition: transform .18s cubic-bezier(.2, .8, .3, 1.4), border-color .18s; }
.stack img:hover { transform: translateY(-7px) scale(1.3); border-color: var(--core); z-index: 2; }
.sigcard, .net { transition: transform .18s ease, border-color .18s ease; }
.sigcard:hover { transform: translateY(-3px); border-color: var(--hair2); }
.nets.big .net:hover { transform: translateY(-3px); border-color: var(--core); }
@media (max-width: 1024px) { .stepv { grid-template-columns: 1fr; gap: 18px; padding-left: 26px; } .sigcards { grid-template-columns: 1fr; } .nets.big .net { width: 52px; height: 52px; } .nets.big .net svg { width: 25px; height: 25px; } .stack { grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 5px; } }
@media (max-width: 760px) { .stack { grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 4px; } }

.card.compact p { margin-bottom: 0; }

/* ── Stratégie : l'équation Core + Satellite ─────────────────────────── */
.eq { display: grid; grid-template-columns: 1fr 64px 1fr 64px 1fr 64px 1fr; align-items: stretch; gap: 6px; margin-top: 18px; }
.eq .op { display: grid; place-items: center; align-self: stretch; font-family: var(--display); font-size: 34px; line-height: 1; color: var(--faint); white-space: nowrap; text-align: center; min-width: 0; }
.modes { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; }
.modes .pill { margin-top: 0; }
.pill.mode { color: var(--text); border-color: var(--hair2); background: var(--panel); }
.pill .dot.grey { background: var(--muted); box-shadow: 0 0 0 3px rgba(149, 160, 180, .18); }
.tile { background: var(--panel); border: 1px solid var(--hair); border-radius: 20px; padding: 22px 18px 20px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.tile .pic { height: 92px; display: flex; align-items: center; justify-content: center; }
.tile .pic img { border-radius: 50%; }
.tile .pic.cluster { display: grid; grid-template-columns: repeat(2, 40px); gap: 6px; }
.tile .big { font-family: var(--display); font-size: 28px; line-height: 1.05; color: var(--text); }
.tile .sub { color: var(--muted); font-size: 15.5px; margin: 0; line-height: 1.4; }
.tile.core { border-color: rgba(245, 184, 77, .45); } .tile.sat { border-color: rgba(79, 209, 197, .45); }
.stackpic { display: flex; flex-direction: column-reverse; gap: 5px; width: 112px; }
.stackpic .c { height: 50px; border-radius: 12px; background: var(--core); display: grid; place-items: center; }
.stackpic .s { height: 12px; border-radius: 6px; background: var(--sat); }
@media (max-width: 1100px) { .eq { grid-template-columns: 1fr 64px 1fr; } .eq .op:nth-of-type(4), .eq .op:nth-of-type(6) { grid-column: 1 / -1; height: 36px; } .tile.sat, .tile.res { grid-column: 1 / -1; } }
@media (max-width: 760px) { .eq { grid-template-columns: 1fr; } .eq .op { height: 36px; } .tile.sat, .tile.res { grid-column: auto; } }

/* ── Équipe : une personne par ligne, grande photo, texte pleine largeur ── */
.team-list { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 22px; }
.team-list .person { display: grid; grid-template-columns: 200px 1fr; gap: 32px; align-items: center; padding: 26px 28px; }
.team-list .avatar { width: 200px; height: 200px; font-size: 52px; border-radius: 24px; }
.team-list .person h3 { font-size: 30px; margin: 0; }
.team-list .person h3 a { color: var(--text); }
.team-list .person h3 a:hover { color: var(--core2); }
.team-list .person .role { font-size: 15px; }
.team-list .person p { max-width: none; font-size: 19.5px; line-height: 1.5; }
.avatar-link { display: block; line-height: 0; border-radius: 24px; transition: transform .18s; }
.avatar-link:hover { transform: translateY(-3px); }
@media (max-width: 760px) { .team-list .person { grid-template-columns: 1fr; padding: 20px 18px; } .team-list .avatar { width: 160px; height: 160px; } }
.avatar.photo { object-fit: cover; border: 1px solid var(--hair2); background: var(--panel); }
@media (max-width: 640px) { .legal .topbar .btn.ghost { display: none; } }