/* TraderVolume — style.css v1.0 — 2026-10-08 */
:root{
  --bg:#0a0f1e;--bg2:#0e1529;--panel:#121b33;--panel2:#162040;--line:#223055;
  --text:#e6eaf4;--muted:#93a0c2;--dim:#6b7899;
  --accent:#38bdf8;--accent2:#7dd3fc;--ok:#34d399;--warn:#fbbf24;--bad:#f87171;
  --radius:14px;--maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.tiny{font-size:.8rem;color:var(--dim)}
.mono{font-family:Consolas,"Cascadia Mono",monospace}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(10,15,30,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text);letter-spacing:-.02em}
.brand svg{width:30px;height:30px}
.brand span b{color:var(--accent)}
.menu{display:flex;gap:22px;align-items:center}
.menu a{color:var(--muted);font-size:.95rem}
.menu a:hover{color:var(--text);text-decoration:none}
.lang{border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:.8rem;color:var(--muted)}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn.primary{background:var(--accent);color:#06121f}
.btn.primary:hover{background:var(--accent2);text-decoration:none}
.btn.ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn.ghost:hover{border-color:var(--accent);text-decoration:none}
.btn.sm{padding:9px 16px;font-size:.9rem}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 10px;font-size:1.1rem}

/* hero */
.hero{position:relative;padding:96px 0 72px;overflow:hidden;background:
 radial-gradient(900px 400px at 70% -10%,rgba(56,189,248,.16),transparent 60%),
 linear-gradient(180deg,var(--bg2),var(--bg))}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 90%);pointer-events:none}
.hero .wrap{position:relative}
.kicker{display:inline-block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:720px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 30px}
.badges{display:flex;gap:10px;flex-wrap:wrap}
.badge{border:1px solid var(--line);background:rgba(255,255,255,.03);border-radius:999px;padding:6px 14px;font-size:.85rem;color:var(--muted)}
.badge b{color:var(--text);font-weight:600}

/* sections */
section{padding:72px 0;border-top:1px solid var(--line)}
section.alt{background:var(--bg2)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head p{color:var(--muted);font-size:1.05rem}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.icon{width:38px;height:38px;border-radius:10px;background:rgba(56,189,248,.12);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--accent)}
.icon svg{width:20px;height:20px}
.num{font-size:2rem;font-weight:800;color:var(--text);letter-spacing:-.02em}
.num small{font-size:1rem;color:var(--muted);font-weight:500}

/* systems */
.sys{display:grid;grid-template-columns:1.1fr .9fr;gap:0;overflow:hidden;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.sys .info{padding:26px}
.sys .chart{background:var(--bg2);padding:18px;display:flex;flex-direction:column;justify-content:center;border-left:1px solid var(--line)}
.sys .chart img{width:100%;height:auto;display:block}
.sys .chart .cap{font-size:.75rem;color:var(--dim);margin-top:8px}
.code{display:inline-block;font-family:Consolas,"Cascadia Mono",monospace;font-weight:700;color:var(--accent);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.25);border-radius:8px;padding:3px 10px;font-size:.95rem;margin-bottom:10px}
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 18px;margin:14px 0;font-size:.92rem}
.spec div span{display:block;color:var(--dim);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}
.spec div b{font-weight:600}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stat{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-width:0;overflow-wrap:anywhere}
.stat b{display:block;font-size:1.25rem;color:var(--text)}
.stat span{font-size:.72rem;color:var(--dim);text-transform:uppercase;letter-spacing:.06em}
.plat{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.plat span{font-size:.78rem;border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--muted)}

/* method steps */
.steps{counter-reset:s}
.step{position:relative;padding-left:58px}
.step:before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;font-family:Consolas,monospace;font-weight:700;color:var(--accent);font-size:1.4rem;opacity:.9}

/* pricing */
.price{position:relative}
.price.hl{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.price .tag{position:absolute;top:-12px;right:18px;background:var(--accent);color:#06121f;font-size:.75rem;font-weight:700;border-radius:999px;padding:3px 10px}
.price .amount{font-size:2.2rem;font-weight:800;margin:10px 0 2px}
.price .amount small{font-size:1rem;color:var(--muted);font-weight:500}
.price .alt{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.price ul{list-style:none;padding:0;margin:0 0 18px}
.price li{padding:6px 0;border-top:1px solid var(--line);font-size:.93rem}
.price li:first-child{border-top:0}
.price li:before{content:"✓";color:var(--ok);margin-right:8px}
.note{background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.3);border-radius:10px;padding:14px 16px;font-size:.92rem}

/* faq */
details{border:1px solid var(--line);border-radius:10px;background:var(--panel);margin-bottom:10px}
summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--accent);font-size:1.3rem;font-weight:400}
details[open] summary:after{content:"–"}
details .a{padding:0 20px 18px;color:var(--muted)}

/* contact */
.contact{background:linear-gradient(135deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:40px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.contact .mail{font-family:Consolas,monospace;font-size:1.05rem}
.form{display:grid;gap:10px}
.form label{font-size:.8rem;color:var(--dim);text-transform:uppercase;letter-spacing:.06em}
.form input,.form select,.form textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px 12px;font:inherit}
.form textarea{min-height:90px;resize:vertical}

/* risk */
.risk{border:1px solid rgba(248,113,113,.35);background:rgba(248,113,113,.06);border-radius:var(--radius);padding:24px;font-size:.9rem;color:var(--muted)}
.risk h3{color:var(--bad);font-size:1rem;letter-spacing:.08em;text-transform:uppercase}

/* footer */
footer{padding:40px 0 60px;border-top:1px solid var(--line);color:var(--dim);font-size:.85rem}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin-bottom:24px}
footer a{color:var(--muted)}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:6px}

/* legal pages */
.legal{max-width:820px;margin:0 auto;padding:60px 20px}
.legal h2{font-size:1.3rem;margin-top:2em}
.legal p,.legal li{color:var(--muted)}
.ph{background:rgba(251,191,36,.15);border-bottom:1px dashed var(--warn);padding:0 4px}

@media (max-width:960px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .sys{grid-template-columns:1fr}
  .sys .chart{border-left:0;border-top:1px solid var(--line)}
  .contact{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
}
@media (max-width:640px){
  .menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:16px 20px;gap:14px}
  .menu.open{display:flex}
  .burger{display:block}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .hero{padding:64px 0 48px}
  section{padding:52px 0}
  .stats{grid-template-columns:repeat(3,1fr)}
  .stat b{font-size:1.05rem}
  .spec{grid-template-columns:1fr}
  .contact{padding:24px}
}