/* Empirical Quant — "Night Desk" (dark, single look). Layout: one 1200px column, hairline-ruled sections, mono for data. */
:root {
  --bg: #0B1220;
  --band: #0E1729;
  --panel: #121B2E;
  --line: #24304A;
  --line-soft: #1B2640;
  --fg: #E8EDF5;
  --fg-2: #B8C3D6;
  --muted: #93A0B5;
  --accent: #F0A53A;
  --accent-hi: #FFC572;
  --good: #5FD08F;
  --bad: #FF8A7A;
  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--fg); font-family: var(--display); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
a:hover { color: var(--accent-hi); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
img, svg { max-width: 100%; }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); }
.section { padding-block: 96px; }
.band { background: var(--band); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rule-top { border-top: 1px solid var(--line); }

/* header */
.site-header { border-bottom: 1px solid var(--line); position: sticky; top: env(safe-area-inset-top, 0px); background: var(--bg); z-index: 10; }
.site-header .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; padding-block: 18px; }
.logo { font-weight: 800; font-stretch: 115%; font-size: 18px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg); text-decoration: none; }
.logo span { color: var(--accent); }
.nav { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; font-family: var(--mono); font-size: 13px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }
.nav .btn { color: var(--bg); }

.ticker { border-bottom: 1px solid var(--line); background: var(--band); font-family: var(--mono); font-size: 12px; color: var(--muted); }
.ticker .wrap { display: flex; flex-wrap: wrap; gap: 6px 32px; padding-block: 10px; }
.ticker b { color: var(--fg); font-weight: 500; }
.ticker .live { color: var(--good); }

/* type */
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
h1, h2, h3 { font-weight: 800; font-stretch: 115%; text-transform: uppercase; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(44px, 8vw, 116px); line-height: 0.9; font-stretch: 120%; letter-spacing: -0.02em; }
h2 { font-size: clamp(30px, 4vw, 52px); line-height: 1; letter-spacing: -0.01em; }
h3 { font-size: 20px; line-height: 1.2; text-transform: none; font-stretch: 100%; }
.lead { font-size: 20px; line-height: 1.55; color: var(--fg-2); max-width: 34em; margin: 0; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; line-height: 1.6; color: var(--muted); }
.mono { font-family: var(--mono); }
.accent { color: var(--accent); }
.prose { display: flex; flex-direction: column; gap: 16px; max-width: 46em; color: var(--fg-2); }
.prose h3 { color: var(--fg); margin-top: 16px; }

/* buttons */
.btn { display: inline-block; background: var(--accent); color: var(--bg); padding: 14px 22px; text-decoration: none; font-weight: 700; border: 0; font-family: var(--display); font-size: 16px; cursor: pointer; }
.btn:hover { background: var(--accent-hi); color: var(--bg); }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid #3A4866; font-weight: 500; }
.btn.ghost:hover { border-color: var(--fg); color: var(--fg); }
.nav .btn { padding: 9px 14px; font-family: var(--mono); font-size: 13px; font-weight: 500; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* layout helpers */
.stack { display: flex; flex-direction: column; gap: 16px; }
.stack-lg { display: flex; flex-direction: column; gap: 40px; }
.row { display: flex; flex-wrap: wrap; gap: 48px; }
.row > * { min-width: 0; }
.grow-2 { flex: 2 1 520px; }
.grow-1 { flex: 1 1 340px; }
.hero { padding-block: 96px 72px; display: flex; flex-direction: column; gap: 32px; }
.hero-foot { display: flex; flex-wrap: wrap; gap: 32px; align-items: flex-end; justify-content: space-between; }
.hero-foot .lead { flex: 1 1 420px; }

/* panels and lists */
.panel { background: var(--panel); border: 1px solid var(--line); padding: 28px; }
.kv { display: flex; flex-direction: column; }
.kv div { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.kv div:last-child { border-bottom: 0; }
.kv span { color: var(--muted); font-size: 14px; }
.kv strong { font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 500; }
.chart-panel { display: flex; flex-wrap: wrap; gap: 32px; }
.chart-panel .kv { flex: 1 1 240px; border-left: 1px solid var(--line); padding-left: 28px; }
.chart-head { display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--muted); }

.gates { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.gate { display: flex; flex-wrap: wrap; gap: 8px 32px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.gate .n { font-family: var(--mono); color: var(--accent); width: 48px; }
.gate h3 { flex: 0 1 260px; }
.gate p { flex: 1 1 380px; color: var(--fg-2); }

.cards { display: flex; flex-wrap: wrap; gap: 16px; }
.card { flex: 1 1 260px; background: var(--panel); border: 1px solid var(--line); padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.card .tag { font-family: var(--mono); font-size: 12px; }
.tag.bad { color: var(--bad); }
.tag.good { color: var(--good); }
.card p { color: var(--muted); font-size: 15px; line-height: 1.55; }
.price { font-family: var(--mono); font-size: 14px; color: var(--fg); border-top: 1px solid var(--line); padding-top: 12px; margin-top: auto; }

.list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.list > div { padding: 18px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.list span { color: var(--muted); font-size: 15px; }

.table-box { overflow-x: auto; border: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 15px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; background: var(--band); }
td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }

/* signup band */
.signup { background: var(--accent); color: var(--bg); }
.signup .wrap { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; padding-block: 64px; }
.signup h2 { flex: 1 1 380px; font-size: 32px; line-height: 1.05; }
.signup form { flex: 1 1 380px; display: flex; flex-wrap: wrap; gap: 8px; }
.signup input { flex: 1 1 220px; padding: 14px; font-size: 16px; border: 2px solid var(--bg); background: #FFF6E8; color: var(--bg); font-family: var(--display); }
.signup button { padding: 14px 22px; font-size: 16px; background: var(--bg); color: var(--fg); border: 0; font-family: var(--display); font-weight: 700; cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* form (brokers) */
.form { display: flex; flex-direction: column; gap: 14px; }
.form label { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; display: flex; flex-direction: column; gap: 6px; }
.form input, .form select, .form textarea { padding: 13px; font-size: 16px; background: var(--bg); color: var(--fg); border: 1px solid #3A4866; font-family: var(--display); text-transform: none; letter-spacing: 0; }
.form textarea { min-height: 110px; resize: vertical; }

/* footer */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap { padding-block: 40px; display: flex; flex-direction: column; gap: 16px; }
.foot-row { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; font-size: 13px; color: var(--muted); }
.foot-row a { color: var(--muted); }
.disclaimer { font-size: 13px; line-height: 1.6; color: var(--muted); max-width: 72em; }

/* live */
.pos { color: var(--good) !important; }
.neg { color: var(--bad) !important; }
.live-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--good); margin-right: 6px; vertical-align: 1px; box-shadow: 0 0 0 0 rgba(95, 208, 143, 0.6); animation: pulse 1.8s infinite; }
.live-dot.stale { background: var(--muted); animation: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(95, 208, 143, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(95, 208, 143, 0); } 100% { box-shadow: 0 0 0 0 rgba(95, 208, 143, 0); } }
.demo-banner { background: var(--accent); color: var(--bg); font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.04em; }
.demo-banner .wrap { padding-block: 8px; }
.kpis { display: flex; flex-wrap: wrap; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.kpi { flex: 1 1 180px; background: var(--panel); padding: 22px 24px; display: flex; flex-direction: column; gap: 6px; }
.kpi-label { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-family: var(--mono); font-size: clamp(28px, 3vw, 38px); font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.kpi-sub { font-size: 13px; color: var(--muted); }
.chart-axis { display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.live-table .sym { display: block; font-weight: 600; }
.live-table td .small { display: block; }
.side { font-family: var(--mono); font-size: 12px; padding: 3px 8px; border: 1px solid currentColor; }
.side.buy { color: var(--good); }
.side.sell { color: var(--bad); }
.live-strip { display: flex; flex-wrap: wrap; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.live-strip > div { flex: 1 1 160px; background: var(--panel); padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; }

/* market cards */
.markets { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.mcard { background: var(--panel); padding: 18px 18px 8px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.mcard-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.mcard-name { font-weight: 700; font-size: 16px; }
.mcard-cls { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.05em; }
.mcard-chart { height: 150px; }
/* TradingView iframes are light-scheme documents: matching the scheme keeps them transparent instead of white */
.mcard-chart iframe, .tv-strip iframe { color-scheme: light; }
@media (max-width: 1000px) { .markets { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .markets { grid-template-columns: minmax(0, 1fr); } }

/* TradingView ticker */
.tv-strip { border-bottom: 1px solid var(--line); min-height: 46px; }
.tv-strip .tradingview-widget-copyright { font-size: 10px; text-align: right; padding: 0 max(24px, env(safe-area-inset-right, 0px)) 4px 0; }
.tv-strip .tradingview-widget-copyright a { color: var(--muted); text-decoration: none; }

@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

@media (max-width: 640px) {
  .section { padding-block: 64px; }
  .hero { padding-block: 56px 48px; }
  .chart-panel .kv { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .site-header { position: static; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

/* ===== Theme: "Lab Report" (Model A, light). Overrides the dark tokens above. ===== */
:root {
  --bg: #F4F6F7;
  --band: #FFFFFF;
  --panel: #FFFFFF;
  --line: #D5DCE0;
  --line-soft: #E6EBEE;
  --fg: #0D1B26;
  --fg-2: #33424D;
  --muted: #51606B;
  --accent: #1748E0;
  --accent-hi: #0D2F9E;
  --good: #0E7A4F;
  --bad: #C0392B;
  --ink: #0D1B26;
  --display: 'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
h1, h2, h3 { text-transform: none; font-stretch: 100%; }
h1 { letter-spacing: -0.035em; line-height: 0.98; }
h2 { letter-spacing: -0.03em; line-height: 1.05; }
.eyebrow { color: var(--muted); }
.logo { display: inline-flex; align-items: center; gap: 10px; text-transform: none; font-stretch: 100%; letter-spacing: -0.01em; font-size: 18px; }
.logo .logo-mark { width: 28px; height: 28px; border: 2px solid var(--fg); display: inline-flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--fg); letter-spacing: 0; }
.nav { font-family: var(--display); font-size: 15px; }
.nav a { color: var(--fg); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }
.btn, .nav .btn { background: var(--accent); color: #FFFFFF; font-weight: 500; }
.btn:hover { background: var(--accent-hi); color: #FFFFFF; }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--fg); }
.btn.ghost:hover { background: var(--fg); color: #FFFFFF; }
.ticker { background: var(--band); }
.ticker .live { color: var(--good); }
.panel, .card, .kpi, .mcard, .live-strip > div { background: var(--panel); }
.band { background: var(--band); }
.signup { background: var(--ink); color: #FFFFFF; }
.signup input { background: #FFFFFF; color: var(--ink); border: 2px solid #FFFFFF; }
.signup button { background: var(--accent); color: #FFFFFF; }
.signup button:hover { background: #3E6BFF; }
.demo-banner { background: var(--accent); color: #FFFFFF; }
.form input, .form select, .form textarea { background: #FFFFFF; color: var(--fg); border: 1px solid #9AA7B0; }
.live-dot { box-shadow: 0 0 0 0 rgba(14, 122, 79, 0.5); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(14, 122, 79, 0.45); } 70% { box-shadow: 0 0 0 9px rgba(14, 122, 79, 0); } 100% { box-shadow: 0 0 0 0 rgba(14, 122, 79, 0); } }
.logo .logo-svg { width: 32px; height: 32px; flex: none; color: var(--fg); }
.logo-word { font-size: 19px; letter-spacing: -0.02em; font-weight: 400; }
.logo-word b { font-weight: 800; }
.signup-text { flex: 1 1 380px; font-size: 18px; line-height: 1.6; color: #C5D0D8; }
.signup-text .mono { color: #FFFFFF; }

/* ===== Theme: "Lab Report · Black" — same layout as Model A on a black ground. Overrides everything above. ===== */
:root {
  --bg: #07090C;
  --band: #0D1117;
  --panel: #11161D;
  --line: #232B36;
  --line-soft: #1A212B;
  --fg: #EEF2F6;
  --fg-2: #B4BEC9;
  --muted: #8A96A3;
  --accent: #4C7DFF;
  --accent-hi: #7FA2FF;
  --good: #3DD68C;
  --bad: #FF6B5E;
  --ink: #07090C;
  color-scheme: dark;
}
.btn.ghost:hover { background: var(--fg); color: var(--bg); }
.signup { background: var(--band); color: var(--fg); border-top: 1px solid var(--line); }
.signup-text { color: var(--fg-2); }
.signup-text .mono { color: var(--fg); }
.form input, .form select, .form textarea { background: var(--bg); color: var(--fg); border-color: #3A4554; }
.live-dot { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.5); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.45); } 70% { box-shadow: 0 0 0 9px rgba(61, 214, 140, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0); } }