:root{
  --bg:#0a0e17; --bg2:#0f1623; --panel:#121b2b; --ink:#e8eef7;
  --muted:#8aa0bd; --line:#1f2c42;
  --bull:#26d3a0; --bear:#ff5d6c; --neu:#7c8aa3;
  --grad1:#5b8cff; --grad2:#a06bff; --gold:#ffcf5c;
  --win:#26d3a0; --loss:#ff5d6c;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.6 "Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
  scroll-snap-type:y proximity;
}
h1,h2,h3,h4{line-height:1.12; margin:0 0 .5em; font-weight:800; letter-spacing:-.02em}
h2{font-size:clamp(28px,4vw,46px)}
p{margin:0 0 1em}
b{color:#fff}
code{background:#0b1220; border:1px solid var(--line); padding:.08em .4em;
  border-radius:6px; font-size:.86em; color:#bcd0f5}
.muted{color:var(--muted); font-size:.93em}
.grad{background:linear-gradient(100deg,var(--grad1),var(--grad2));
  -webkit-background-clip:text; background-clip:text; color:transparent}

/* progress */
.progress{position:fixed; top:0; left:0; right:0; height:3px; z-index:50;
  background:rgba(255,255,255,.05)}
.progress-bar{height:100%; width:0;
  background:linear-gradient(90deg,var(--grad1),var(--grad2))}
.dots{position:fixed; right:18px; top:50%; transform:translateY(-50%);
  display:flex; flex-direction:column; gap:11px; z-index:50}
.dots a{width:9px; height:9px; border-radius:50%; background:#26344c;
  transition:.25s; position:relative}
.dots a.active{background:linear-gradient(var(--grad1),var(--grad2));
  transform:scale(1.35)}
.dots a span{position:absolute; right:18px; top:50%; transform:translateY(-50%);
  white-space:nowrap; font-size:11px; color:var(--muted); opacity:0;
  pointer-events:none; transition:.2s}
.dots a:hover span{opacity:1}
@media(max-width:720px){.dots{display:none}}

/* panels */
.panel{min-height:100vh; display:flex; align-items:center; padding:7vh 6vw;
  scroll-snap-align:start; position:relative; border-bottom:1px solid var(--line)}
.panel:nth-child(even){background:var(--bg2)}
.wrap{max-width:1120px; margin:0 auto; width:100%}
.wrap.center,.center{text-align:center}
.panel h2{margin-bottom:.55em}
.panel p{margin-bottom:1.1em}
.two{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center}
@media(max-width:820px){.two{grid-template-columns:1fr; gap:36px}}
@media(max-width:720px){.panel{padding:9vh 7vw}}

/* reveal */
.reveal{opacity:0; transform:translateY(26px); transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1; transform:none}

.step{display:inline-block; font:800 13px/1 "Inter"; letter-spacing:.25em;
  color:var(--grad1); border:1px solid var(--line); padding:8px 13px;
  border-radius:999px; margin-bottom:28px; background:#0c1420}
.kicker{color:var(--muted); text-transform:uppercase; letter-spacing:.28em;
  font-size:12px; margin-bottom:24px}
.center-lede{max-width:760px; margin:0 auto 38px; color:#c9d7ee; font-size:1.08em;
  line-height:1.7}
.caption{color:var(--muted); font-size:.9em; text-align:center; margin-top:18px}

/* hero */
.hero{overflow:hidden}
.hero-glow{position:absolute; inset:-30% 20% auto -10%; height:80vh;
  background:radial-gradient(closest-side,rgba(91,140,255,.22),transparent 70%),
             radial-gradient(closest-side,rgba(160,107,255,.18),transparent 70%);
  filter:blur(20px); pointer-events:none}
.title{font-size:clamp(56px,12vw,140px); margin:.05em 0}
.title .ver{font-size:.3em; color:var(--muted); vertical-align:super; letter-spacing:0}
.lede{font-size:clamp(17px,2.1vw,22px); max-width:680px; color:#cfdcf2;
  margin-top:.4em; line-height:1.65}
.stat-row{display:flex; flex-wrap:wrap; gap:18px; margin:44px 0 14px}
.stat{background:var(--panel); border:1px solid var(--line); border-radius:14px;
  padding:16px 22px; min-width:124px}
.stat .n{font-size:28px; font-weight:800;
  background:linear-gradient(var(--grad1),var(--grad2));
  -webkit-background-clip:text; background-clip:text; color:transparent}
.stat .l{font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.1em}
.scroll-cue{margin-top:34px; color:var(--muted); font-size:13px; letter-spacing:.2em;
  animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0);opacity:.6}50%{transform:translateY(7px);opacity:1}}

/* candle / fib art */
.candle-art,.fib-art{display:flex; justify-content:center; align-items:center;
  background:radial-gradient(120% 120% at 50% 0%,#15203400,#0c1422);
  border:1px solid var(--line); border-radius:24px; padding:34px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}
.candle-art svg,.fib-art svg{width:100%; max-width:380px}
.legend{list-style:none; padding:0; margin:0 0 1em}
.legend li{margin:.5em 0}
.sw{display:inline-block; width:12px; height:12px; border-radius:3px; margin-right:8px;
  vertical-align:middle}
.sw.bull{background:var(--bull)} .sw.bear{background:var(--bear)}

/* charts */
.chart{width:100%; height:380px; background:var(--panel);
  border:1px solid var(--line); border-radius:18px; margin-top:22px; padding:14px 10px 8px}
.chart.tall{height:440px}
.controls{display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:16px; margin-top:20px}
.controls select{background:var(--panel); color:var(--ink); border:1px solid var(--line);
  border-radius:10px; padding:9px 14px; font-size:15px; margin-left:8px}
.chip-legend{display:flex; gap:14px; flex-wrap:wrap; font-size:13px; color:var(--muted)}
.chip.win{color:var(--win)} .chip.loss{color:var(--loss)} .chip.lvl{color:var(--grad2)}

/* big numbers */
.bignum{font-size:clamp(64px,12vw,128px); font-weight:900; line-height:1;
  background:linear-gradient(120deg,var(--gold),var(--bear));
  -webkit-background-clip:text; background-clip:text; color:transparent; margin:.1em 0}
.bignum.sm{font-size:clamp(34px,6vw,56px);
  background-image:linear-gradient(120deg,var(--grad1),var(--win))}

/* compare / bars */
.compare{display:grid; grid-template-columns:1fr 1fr; gap:26px; margin:24px 0}
@media(max-width:720px){.compare{grid-template-columns:1fr}}
.compare-col{background:var(--panel); border:1px solid var(--line);
  border-radius:16px; padding:22px}
.compare-col h4{color:var(--muted); font-weight:600; font-size:13px;
  text-transform:uppercase; letter-spacing:.1em}
.bars{display:flex; flex-direction:column; gap:9px; margin:14px 0}
.bar-row{display:grid; grid-template-columns:120px 1fr 52px; align-items:center; gap:10px}
.bar-row .bl{font-size:12px; color:var(--muted); text-align:right}
.bar-track{height:14px; background:#0b1220; border-radius:8px; overflow:hidden;
  position:relative}
.bar-fill{height:100%; border-radius:8px; transition:width 1s cubic-bezier(.2,.7,.2,1)}
.bar-val{font-size:12px; font-weight:700; text-align:left}
.tag{display:inline-block; margin-top:8px; font-size:12px; font-weight:700;
  padding:4px 10px; border-radius:999px}
.tag.warn{background:rgba(255,93,108,.15); color:var(--bear)}
.tag.ok{background:rgba(38,211,160,.15); color:var(--win)}

.survive-grid{display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:30px}
@media(max-width:720px){.survive-grid{grid-template-columns:1fr}}
.card{background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:28px}
.card h4{margin-bottom:18px}

/* timeframe duel */
.tf-duel{display:flex; align-items:center; justify-content:center; gap:28px;
  flex-wrap:wrap; margin:38px 0 30px}
.tf-card{flex:1; min-width:240px; max-width:360px; background:var(--panel);
  border:1px solid var(--line); border-radius:20px; padding:34px 28px; text-align:center;
  position:relative; transition:.4s}
.tf-card.win{border-color:rgba(38,211,160,.5); box-shadow:0 14px 40px rgba(38,211,160,.12)}
.tf-card.lose{opacity:.82}
.tf-name{font-size:13px; letter-spacing:.2em; text-transform:uppercase; color:var(--muted)}
.tf-wr{font-size:clamp(52px,9vw,84px); font-weight:900; line-height:1.05; margin:6px 0}
.tf-sub{color:var(--muted); font-size:14px}
.tf-badge{margin-top:16px; display:inline-block; font-size:12.5px; font-weight:700;
  padding:6px 14px; border-radius:999px; background:#0b1220; border:1px solid var(--line)}
.tf-card.win .tf-badge{color:var(--win)} .tf-card.lose .tf-badge{color:var(--loss)}
.tf-vs{font-size:15px; color:var(--muted); font-weight:700; letter-spacing:.1em}
.stack-callout{margin-top:30px; background:var(--panel); border:1px solid var(--line);
  border-left:3px solid var(--gold); border-radius:14px; padding:22px 26px;
  font-size:1.05em; line-height:1.6; color:#cfdcf2}

/* filter */
.filter-layout{display:grid; grid-template-columns:310px 1fr; gap:32px; margin-top:30px}
@media(max-width:860px){.filter-layout{grid-template-columns:1fr}}
.filter-controls{background:var(--panel); border:1px solid var(--line);
  border-radius:16px; padding:26px; display:flex; flex-direction:column; gap:24px}
.ctl{display:flex; flex-direction:column; gap:8px; font-size:13px; color:var(--muted)}
.ctl output{color:var(--ink); font-weight:700; font-size:15px}
input[type=range]{-webkit-appearance:none; appearance:none; height:5px;
  background:#26344c; border-radius:4px; outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none; width:18px; height:18px;
  border-radius:50%; background:linear-gradient(var(--grad1),var(--grad2)); cursor:pointer;
  border:2px solid #0a0e17}
.dual{display:flex; gap:8px} .dual input{flex:1}
.toggles{display:flex; gap:8px; flex-wrap:wrap}
.tg{background:#0b1220; border:1px solid var(--line); color:var(--muted);
  padding:7px 13px; border-radius:999px; cursor:pointer; font-size:13px; transition:.2s}
.tg.on{background:linear-gradient(120deg,var(--grad1),var(--grad2)); color:#fff;
  border-color:transparent}
.preset{background:linear-gradient(120deg,var(--gold),#ff9a3c); color:#1a1300;
  border:none; padding:12px; border-radius:12px; font-weight:800; cursor:pointer;
  font-size:14px}
.filter-result{background:var(--panel); border:1px solid var(--line);
  border-radius:16px; padding:22px}
.result-head{display:flex; gap:40px; flex-wrap:wrap; align-items:baseline;
  border-bottom:1px solid var(--line); padding-bottom:18px; margin-bottom:10px}
.result-head span{display:block; font-size:12px; color:var(--muted);
  text-transform:uppercase; letter-spacing:.1em}
.verdict-line{margin-top:14px; font-size:14px; min-height:22px; color:var(--gold)}

/* EA */
.ea-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin:34px 0}
@media(max-width:820px){.ea-grid{grid-template-columns:1fr}}
.ea-feature{background:var(--panel); border:1px solid var(--line); border-radius:14px;
  padding:22px}
.ea-feature b{display:block; margin-bottom:6px; color:#cfe0ff}
.ea-feature span{font-size:13.5px; color:var(--muted)}
.dl{display:flex; gap:18px; align-items:center; flex-wrap:wrap; margin:10px 0 18px}
.download{display:inline-block; background:linear-gradient(120deg,var(--grad1),var(--grad2));
  color:#fff; text-decoration:none; padding:15px 26px; border-radius:14px;
  font-weight:800; font-size:16px; box-shadow:0 10px 30px rgba(91,140,255,.25)}
.download:hover{filter:brightness(1.08)}
.code{margin-top:10px; background:var(--panel); border:1px solid var(--line);
  border-radius:14px; padding:6px 18px}
.code summary{cursor:pointer; padding:12px 0; color:#cfe0ff; font-weight:600}
.code pre{overflow:auto; background:#0b1220; border-radius:10px; padding:16px;
  font-size:12.5px; line-height:1.5}
.code code{background:none; border:none; padding:0; color:#bcd0f5}

/* footer */
.footer{background:#080b12}
.method{color:var(--muted); font-size:14px; line-height:1.9; max-width:840px}
.sig{margin-top:24px; color:#3f5170; font-size:13px; letter-spacing:.05em}