:root{
  --bg:#070b16; --bg2:#0b1224; --card:#0f1830; --card2:#131f3d; --line:#22305a;
  --txt:#dbe6ff; --mut:#8c9bc4; --cy:#4fd1ff; --pu:#b08cff; --gr:#5eff9d; --ye:#ffd166; --re:#ff5c7a;
  --grad:linear-gradient(120deg,#4fd1ff,#b08cff);
  --r:16px; --sh:0 10px 40px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--cy);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;display:block}
code,kbd,pre{font-family:ui-monospace,"Cascadia Code",Menlo,Consolas,monospace}
code{background:#0c1530;border:1px solid var(--line);padding:.1em .4em;border-radius:6px;font-size:.88em;color:#bfe9ff}
pre{background:#060a14;border:1px solid var(--line);border-radius:12px;padding:14px 16px;overflow:auto;font-size:.86rem;line-height:1.55;color:#cfe0ff;margin:12px 0}
pre code{background:none;border:0;padding:0;color:inherit}
.wrap{width:min(1120px,92%);margin-inline:auto}
section{padding:72px 0}
section.alt{background:linear-gradient(180deg,var(--bg2),var(--bg))}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,4vw,2.3rem);margin-bottom:10px}
.lead{color:var(--mut);max-width:760px;font-size:1.05rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cy);margin-bottom:10px;font-weight:700}

/* header */
header.top{position:sticky;top:0;z-index:50;background:rgba(7,11,22,.82);backdrop-filter:blur(12px);border-bottom:1px solid #16224a}
.nav{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:#fff}
.brand img{width:34px;height:34px}
.brand:hover{text-decoration:none}
.nav nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav nav a{color:var(--txt);padding:8px 12px;border-radius:10px;font-size:.93rem}
.nav nav a:hover{background:#131f3d;text-decoration:none}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:8px 12px;font-size:1.1rem;cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer;font-size:.98rem;transition:.2s transform,.2s box-shadow;color:#06101f;background:var(--grad)}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(79,209,255,.28);text-decoration:none}
.btn.ghost{background:transparent;color:var(--txt);border-color:var(--line)}
.btn.ghost:hover{background:#131f3d;box-shadow:none}
.btn.sm{padding:8px 14px;font-size:.88rem}
@media(max-width:820px){
  .burger{display:block}
  .nav nav{position:absolute;top:62px;left:0;right:0;flex-direction:column;align-items:stretch;background:#0a1226;border-bottom:1px solid var(--line);padding:10px;display:none}
  .nav nav.open{display:flex}
  .nav nav a{padding:12px}
}

/* hero */
.hero{padding:64px 0 40px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-20% -10% auto -10%;height:120%;background:radial-gradient(600px 400px at 75% 30%,rgba(176,140,255,.22),transparent 60%),radial-gradient(520px 380px at 15% 20%,rgba(79,209,255,.18),transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.orbit-wrap{order:-1;max-width:300px;margin-inline:auto}}
.badge{display:inline-flex;gap:8px;align-items:center;background:#0e1a38;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.82rem;color:var(--mut);margin-bottom:18px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--gr);box-shadow:0 0 10px var(--gr);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.35}}
.hero h1{font-size:clamp(2.1rem,6vw,3.7rem);margin-bottom:16px;font-weight:850}
.hero p.sub{font-size:1.12rem;color:var(--mut);max-width:620px;margin-bottom:26px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{background:#0d1731;border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-size:.84rem;color:var(--mut)}
.chip b{color:#fff;display:block;font-size:1.05rem}
.orbit-wrap{position:relative;aspect-ratio:1;width:100%}
.orbit-wrap svg{width:100%;height:100%;overflow:visible}
.o1{transform-origin:50% 50%;animation:spin 14s linear infinite}
.o2{transform-origin:50% 50%;animation:spin 22s linear infinite reverse}
.o3{transform-origin:50% 50%;animation:spin 31s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.nucleus{animation:breath 4s ease-in-out infinite;transform-origin:50% 50%}
@keyframes breath{50%{transform:scale(1.08)}}
@media(prefers-reduced-motion:reduce){.o1,.o2,.o3,.nucleus,.dot{animation:none}}

/* cards */
.grid{display:grid;gap:18px;margin-top:34px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g3,.g2,.g4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--r);padding:22px;position:relative;transition:.25s transform,.25s border-color}
.card:hover{transform:translateY(-3px);border-color:#34498a}
.card h3{font-size:1.1rem;margin:6px 0 8px}
.card p{color:var(--mut);font-size:.95rem}
.ico{font-size:1.7rem}
.tag{position:absolute;top:16px;right:16px;font-size:.7rem;font-weight:700;border-radius:999px;padding:3px 10px;border:1px solid}
.tag.ok{color:var(--gr);border-color:rgba(94,255,157,.4);background:rgba(94,255,157,.08)}
.tag.wip{color:var(--ye);border-color:rgba(255,209,102,.4);background:rgba(255,209,102,.08)}
.tag.plan{color:var(--mut);border-color:var(--line);background:#0d1731}

/* screenshots */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media(max-width:900px){.shots{grid-template-columns:1fr}}
.shot{background:#000;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.shot .bar{display:flex;gap:6px;padding:8px 12px;background:#0b1224;border-bottom:1px solid var(--line)}
.shot .bar i{width:10px;height:10px;border-radius:50%;background:#2a3a6e}
.shot img{width:100%;height:auto;image-rendering:auto}
.shot figcaption{padding:10px 14px;font-size:.86rem;color:var(--mut);background:#0b1224;border-top:1px solid var(--line)}

/* simulateur */
.sim{background:linear-gradient(180deg,#0e1730,#0a1124);border:1px solid var(--line);border-radius:20px;padding:22px;margin-top:30px;box-shadow:var(--sh)}
.sim-top{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:14px}
.sim label{font-size:.82rem;color:var(--mut)}
.sim select{background:#0a1226;color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:.95rem}
.gates{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.gate{min-width:46px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#0c1632;color:#fff;font-weight:700;cursor:pointer;font-family:ui-monospace,monospace;transition:.15s}
.gate:hover{background:#17285a;border-color:var(--cy)}
.gate.two{color:var(--pu)}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 16px}
.pill{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--mut);cursor:pointer;font-size:.82rem}
.pill:hover{color:#fff;border-color:var(--pu)}
.states{display:grid;gap:6px;margin-top:10px;max-height:340px;overflow:auto;padding-right:4px}
.row{display:grid;grid-template-columns:86px 1fr 180px;gap:10px;align-items:center;font-family:ui-monospace,monospace;font-size:.84rem}
@media(max-width:640px){.row{grid-template-columns:70px 1fr}.row .amp{display:none}}
.ket{color:var(--cy)}
.barbg{height:18px;background:#0a1226;border-radius:6px;overflow:hidden;border:1px solid #16224a}
.bar-fill{height:100%;border-radius:5px;transition:width .35s}
.amp{color:var(--mut);text-align:right}
.logline{margin-top:12px;font-family:ui-monospace,monospace;font-size:.8rem;color:var(--mut);min-height:1.4em;word-break:break-word}
.result{margin-top:12px;padding:12px 14px;border-radius:12px;background:#0a1a2e;border:1px dashed #2b4a7a;font-family:ui-monospace,monospace;font-size:.86rem;display:none}

/* download */
.dl{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:30px}
@media(max-width:900px){.dl{grid-template-columns:1fr}}
.dlcard{background:linear-gradient(160deg,#122046,#0c1530);border:1px solid #2c4284;border-radius:20px;padding:26px;box-shadow:var(--sh)}
.dlcard h3{font-size:1.35rem}
.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:16px 0;font-size:.9rem}
.meta dt{color:var(--mut)}.meta dd{word-break:break-all}
.hash{display:flex;gap:8px;align-items:center;background:#060a14;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-family:ui-monospace,monospace;font-size:.74rem;word-break:break-all}
.hash button{flex:none;background:#131f3d;border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:5px 9px;cursor:pointer;font-size:.74rem}
.soon{opacity:.55;margin-top:12px;font-size:.9rem;color:var(--mut)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.tab{padding:7px 13px;border-radius:10px;border:1px solid var(--line);background:#0c1632;color:var(--mut);cursor:pointer;font-size:.86rem}
.tab.on{color:#06101f;background:var(--grad);border-color:transparent;font-weight:700}
.pane{display:none}.pane.on{display:block}
.pane ol{padding-left:20px;color:var(--mut);font-size:.93rem}.pane li{margin:6px 0}
.note{border-left:3px solid var(--ye);background:#1a1a14;padding:12px 14px;border-radius:0 10px 10px 0;color:#e8dcb0;font-size:.9rem;margin-top:16px}
.note.info{border-color:var(--cy);background:#0a1a2a;color:#bfe3f5}
.note.bad{border-color:var(--re);background:#241018;color:#ffc4cf}

/* tables */
.tw{overflow-x:auto;margin-top:26px;border:1px solid var(--line);border-radius:14px}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.93rem}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid #16224a}
th{background:#0d1731;color:var(--mut);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
tr:last-child td{border-bottom:0}
.s-ok{color:var(--gr)}.s-wip{color:var(--ye)}.s-plan{color:var(--mut)}

/* roadmap */
.road{margin-top:34px;display:grid;gap:14px;position:relative}
.step{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start}
.num{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-weight:800;font-size:1.2rem;background:#0d1731;border:1px solid var(--line)}
.step.done .num{background:var(--grad);color:#06101f;border:0}
.step.now .num{border-color:var(--ye);color:var(--ye);box-shadow:0 0 22px rgba(255,209,102,.2)}
.step .box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px}
.step .box h3{font-size:1.02rem;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.step .box p{color:var(--mut);font-size:.92rem;margin-top:4px}
.prog{height:6px;background:#0a1226;border-radius:6px;margin-top:10px;overflow:hidden}
.prog i{display:block;height:100%;background:var(--grad)}

/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:12px 0}
details[open]{border-color:#34498a}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:10px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--cy);font-size:1.3rem;line-height:1}
details[open] summary:after{content:"–"}
details p,details ul{color:var(--mut);margin-top:10px;font-size:.96rem}
details ul{padding-left:20px}

footer{border-top:1px solid #16224a;padding:34px 0;color:var(--mut);font-size:.9rem;background:#050813}
.foot{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.reveal{opacity:0;transform:translateY(18px);transition:.6s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* docs */
.docs{display:grid;grid-template-columns:240px 1fr;gap:34px;padding:40px 0 70px}
@media(max-width:900px){.docs{grid-template-columns:1fr}}
.toc{position:sticky;top:78px;align-self:start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
@media(max-width:900px){.toc{position:static}}
.toc a{display:block;padding:6px 10px;color:var(--mut);border-radius:8px;font-size:.92rem}
.toc a:hover{background:#131f3d;color:#fff;text-decoration:none}
.doc h1{font-size:2rem;margin-bottom:6px}
.doc h2{font-size:1.45rem;margin:44px 0 10px;padding-top:6px;border-top:1px solid #16224a}
.doc h3{font-size:1.1rem;margin:22px 0 6px}
.doc p,.doc li{color:#c3d2f5}.doc ul,.doc ol{padding-left:22px;margin:8px 0}
.doc table{min-width:480px}