:root{color-scheme:light;--bg:#f4efe7;--bg-strong:#fbf8f2;--surface:hsla(0,0%,100%,.72);--surface-solid:#fff;--surface-muted:#f7f2ea;--line:rgba(28,32,38,.1);--text:#17202b;--muted:#5d6a78;--accent:#0f766e;--accent-soft:rgba(15,118,110,.12);--accent-2:#ea580c;--accent-2-soft:rgba(234,88,12,.12);--shadow:0 24px 80px rgba(23,32,43,.08);--radius-xl:28px;--radius-lg:20px;--radius-md:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(15,118,110,.14),transparent 28%),radial-gradient(circle at top right,rgba(234,88,12,.16),transparent 26%),linear-gradient(180deg,var(--bg-strong) 0,var(--bg) 100%);color:var(--text);font-family:Avenir Next,Segoe UI,Helvetica Neue,Arial,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.app-shell{position:relative;min-height:100vh;padding:24px;overflow:hidden}.ambient{position:fixed;inset:auto;pointer-events:none;filter:blur(18px);opacity:.55}.ambient-one{width:260px;height:260px;top:-40px;left:-80px;background:rgba(15,118,110,.2)}.ambient-two{width:320px;height:320px;right:-100px;bottom:120px;background:rgba(234,88,12,.18)}.footer,.page,.topbar{position:relative;z-index:1;max-width:1240px;margin:0 auto}.topbar{display:flex;justify-content:space-between;gap:18px;padding:16px 20px;border:1px solid var(--line);border-radius:999px;background:hsla(0,0%,100%,.72);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand,.topbar{align-items:center}.brand{display:inline-flex;gap:14px}.brand strong,.hero h1,.page h1,.page h2,.panel h3,.section-header h2{font-family:Georgia,Times New Roman,serif}.brand small{display:block;margin-top:4px;color:var(--muted);font-size:.78rem}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--accent),#134e4a);box-shadow:0 10px 24px rgba(15,118,110,.25);font-weight:700}.nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center}.nav-link{padding:10px 14px;border-radius:999px;color:var(--muted)}.nav-link:focus-visible,.nav-link:hover{background:var(--surface-muted);color:var(--text)}.button-link,.nav-cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;border-radius:999px;border:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:linear-gradient(135deg,var(--accent),#0d9488);color:#fff;box-shadow:0 16px 30px rgba(15,118,110,.2);cursor:pointer;font:inherit}.button-link-secondary{background:linear-gradient(135deg,#1f2937,#374151)}.button-link:disabled{opacity:.65;cursor:progress}.page{padding:30px 0 40px}.hero{display:grid;grid-template-columns:1.2fr .8fr;grid-gap:24px;gap:24px;align-items:stretch;margin-top:24px}.feature-card,.hero-copy,.metric-card,.panel{border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.hero-copy{padding:36px}.eyebrow,.hero-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.hero h1{margin:18px 0 14px;font-size:clamp(2.5rem,5vw,4.8rem);line-height:.95}.feature-card p,.hero p,.metric-card p,.panel p,.section-header p,.strategy-card p{color:var(--muted);line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.hero-stats{display:grid;grid-gap:16px;gap:16px}.hero-stat-card{padding:24px;border-radius:var(--radius-xl);background:linear-gradient(180deg,hsla(0,0%,100%,.88),hsla(37,45%,94%,.92));border:1px solid var(--line);box-shadow:var(--shadow)}.hero-stat-card strong{display:block;margin-top:10px;font-size:2rem}.feature-grid,.metrics-grid,.module-grid,.strategy-grid{display:grid;grid-gap:18px;gap:18px}.metrics-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-grid,.strategy-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.backtest-card,.feature-card,.metric-card,.strategy-card{padding:22px}.metric-card span,.mini-stats span,.panel .eyebrow,.section-meta,.table td p{color:var(--muted);font-size:.82rem}.metric-card strong{display:block;margin:10px 0 6px;font-size:1.9rem}.metric-accent{background:linear-gradient(180deg,rgba(15,118,110,.14),hsla(0,0%,100%,.78))}.metric-secondary{background:linear-gradient(180deg,rgba(234,88,12,.14),hsla(0,0%,100%,.78))}.metric-neutral{background:linear-gradient(180deg,rgba(39,51,65,.06),hsla(0,0%,100%,.8))}.section-header{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:40px 0 20px}.page h1,.section-header h2{margin:6px 0 8px;font-size:clamp(1.8rem,3vw,3rem)}.panel{padding:22px}.backtest-card-header,.ranking-head,.strategy-card-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.score-pill{min-width:64px;padding:10px 14px;border-radius:16px;background:linear-gradient(135deg,var(--accent-2),#f59e0b);color:#fff;font-weight:700;text-align:center}.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.chip{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.86rem}.chip-soft{background:var(--surface-muted)}.mini-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;margin:16px 0 18px}.mini-stats strong{display:block;margin-top:4px;font-size:1.1rem}.sparkline{display:flex;align-items:end;gap:8px;height:96px;padding-top:10px}.sparkline-bar{flex:1 1;border-radius:999px 999px 8px 8px;background:linear-gradient(180deg,var(--accent),rgba(15,118,110,.35))}.leaderboard{width:100%;border-collapse:collapse}.leaderboard td,.leaderboard th{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line)}.leaderboard th{color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}.rank-index{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--surface-muted);color:var(--text);font-weight:700}.page-grid{display:grid;grid-gap:18px;gap:18px}.builder-grid{display:grid;grid-template-columns:.95fr 1.1fr .95fr;grid-gap:18px;gap:18px}.asset-card,.module-option,.module-slot,.summary-card{padding:16px;border-radius:18px;border:1px solid var(--line);background:hsla(0,0%,100%,.74)}.module-option+.module-option{margin-top:12px}.module-stack{display:grid;grid-gap:12px;gap:12px}.module-slot{position:relative}.module-slot.active{outline:2px solid rgba(15,118,110,.24)}.module-slot strong{display:block;margin-bottom:6px}.code-block{margin:0;padding:16px;overflow:auto;border-radius:18px;background:#111827;color:#e5e7eb;font-size:.88rem;line-height:1.7}.input,.textarea{width:100%;margin-top:10px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:hsla(0,0%,100%,.88);color:var(--text);font:inherit}.textarea{min-height:120px;resize:vertical}.footer{display:flex;justify-content:space-between;gap:16px;padding:18px 8px 0;color:var(--muted);font-size:.92rem}@media (max-width:1100px){.builder-grid,.feature-grid,.hero,.metrics-grid,.module-grid,.strategy-grid{grid-template-columns:1fr 1fr}.builder-grid{grid-template-columns:1fr}}@media (max-width:780px){.app-shell,.topbar{padding:16px}.topbar{border-radius:24px;flex-direction:column;align-items:stretch}.nav-links{justify-content:flex-start}.feature-grid,.hero,.metrics-grid,.module-grid,.strategy-grid{grid-template-columns:1fr}.hero-copy{padding:24px}.footer,.section-header{flex-direction:column;align-items:flex-start}.leaderboard{display:block;overflow-x:auto}}