:root {
  --ink: #07111d;
  --navy: #0b1b2b;
  --panel: #102336;
  --panel2: #0c1d2d;
  --paper: #e9edef;
  --white: #f7f9fa;
  --muted: #91a0ac;
  --gold: #cba86a;
  --line: rgba(255,255,255,.14);
  --positive: #72c6a5;
  --negative: #e58f84;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--white); font-family: "DM Sans", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; background: #fff; color: #000; padding: .8rem; }
.skip-link:focus { top: 1rem; }

.lab-nav { height: 82px; padding: 0 clamp(1.25rem, 4vw, 4.75rem); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: .75rem; font: 500 .76rem/1 Manrope, sans-serif; letter-spacing: .18em; }
.brand b { display: block; margin-top: .28rem; color: #aeb9c3; font-size: .56rem; letter-spacing: .27em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(203,168,106,.8); color: var(--gold); font: 500 1.05rem/1 Manrope, sans-serif; transform: rotate(45deg); }
.nav-actions { display: flex; align-items: center; gap: 1.5rem; font-size: .78rem; }
.nav-actions > a { border: 1px solid rgba(255,255,255,.35); padding: .75rem 1rem; }
.lang { border: 0; background: none; color: var(--gold); font-size: .75rem; font-weight: 600; cursor: pointer; }
.engine-status { color: #9dafb9; font: 500 .68rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.engine-status i { display: inline-block; width: 7px; height: 7px; margin-right: .45rem; border-radius: 50%; background: var(--positive); box-shadow: 0 0 10px rgba(114,198,165,.55); }

.lab-hero { min-height: 430px; padding: clamp(4.5rem, 8vw, 8rem) clamp(1.5rem, 7.8vw, 9rem) 4rem; display: grid; grid-template-columns: 1.65fr .7fr; gap: 8vw; align-items: end; background: radial-gradient(circle at 82% 20%, rgba(203,168,106,.13), transparent 25%), linear-gradient(135deg,#07111d,#0c2134); position: relative; overflow: hidden; }
.lab-hero::after { content: "Σ"; position: absolute; right: 5vw; top: 1rem; color: rgba(255,255,255,.025); font: 400 26rem/1 Manrope, sans-serif; }
.kicker { margin: 0 0 1.5rem; color: var(--gold); font: 500 .67rem/1.3 "DM Mono", monospace; letter-spacing: .15em; }
.lab-hero h1 { margin: 0; max-width: 900px; font: 400 clamp(3rem, 6vw, 6.5rem)/.98 Manrope, sans-serif; letter-spacing: -.055em; position: relative; z-index: 1; }
.hero-note { position: relative; z-index: 1; padding-left: 1.25rem; border-left: 1px solid var(--gold); }
.hero-note p { margin: 0 0 1.2rem; color: #adbac4; line-height: 1.65; font-size: .92rem; }
.hero-note span { color: #738491; font: 500 .65rem/1 "DM Mono", monospace; letter-spacing: .08em; }

.quant-route { display: grid; grid-template-columns: repeat(3,1fr); padding: 0 clamp(1rem,4vw,4.75rem); background: #050c13; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quant-route a { min-height: 132px; padding: 1.15rem 1.25rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.quant-route a:first-child, .quant-route a:nth-child(4) { border-left: 1px solid var(--line); }
.quant-route a:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
.quant-route b { color: var(--gold); font: 500 .65rem "DM Mono",monospace; }
.quant-route span { margin: auto 0 .45rem; font: 500 .88rem Manrope,sans-serif; }
.quant-route small { display: flex; flex-direction: column; gap: .25rem; color: #71828e; font: 400 .68rem "DM Mono",monospace; }
.quant-route em { color: #aab7bf; font-style: normal; }

.instrument-catalog { padding: 2rem clamp(1rem,4vw,4.75rem); background: #091522; border-bottom: 1px solid var(--line); }
.catalog-heading { display: grid; grid-template-columns: 1fr minmax(260px,380px); gap: 2rem; align-items: end; }
.catalog-heading > div > span { color: var(--gold); font: 500 .68rem "DM Mono",monospace; letter-spacing: .1em; }
.catalog-heading h2 { margin: .5rem 0 0; font: 500 clamp(1.2rem,2vw,1.8rem)/1.2 Manrope,sans-serif; letter-spacing: -.025em; }
.catalog-search { display: grid; gap: .45rem; color: #94a3ae; font: 500 .72rem "DM Mono",monospace; }
.catalog-search input { width: 100%; min-height: 46px; padding: 0 1rem; border: 1px solid rgba(255,255,255,.18); border-radius: 0; background: #050d15; color: var(--ink); font: 400 .9rem Manrope,sans-serif; }
.catalog-search input:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.catalog-filters { display: flex; gap: .55rem; margin-top: 1.5rem; overflow-x: auto; padding-bottom: .25rem; }
.catalog-filters button { flex: 0 0 auto; min-height: 38px; padding: 0 .95rem; border: 1px solid rgba(255,255,255,.16); background: transparent; color: #9ba9b3; cursor: pointer; font: 500 .7rem "DM Mono",monospace; }
.catalog-filters button:hover, .catalog-filters button.active { border-color: var(--gold); background: rgba(203,168,106,.12); color: #f3e5c9; }
.catalog-status { margin: .65rem 0 0; color: #71828e; font: 400 .66rem "DM Mono",monospace; }
.method-deep { color: var(--muted); font-size: .94rem; line-height: 1.75; }
.method-deep b { color: var(--paper); font-weight: 600; }
.numerical-atlas { padding: 4.5rem clamp(1rem,4vw,4.75rem); background: #0b1723; border-bottom: 1px solid var(--line); }
.numerical-atlas > header { display:grid; grid-template-columns:minmax(0,1fr) minmax(18rem,.72fr); gap:3rem; align-items:end; margin-bottom:2rem; }
.numerical-atlas > header h2 { margin:.35rem 0 0; color:var(--paper); font:400 clamp(1.8rem,3.2vw,3.3rem)/1.05 Georgia,serif; }
.numerical-atlas > header > p { color:var(--muted); line-height:1.7; margin:0; }
.atlas-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); border-top:1px solid var(--line); border-left:1px solid var(--line); }
.atlas-grid article { min-height:19rem; padding:1.5rem; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:linear-gradient(145deg,rgba(255,255,255,.018),transparent); }
.atlas-grid article > span { color:var(--gold); font:500 .66rem "DM Mono",monospace; letter-spacing:.09em; }
.atlas-grid h3 { color:var(--paper); font:400 1.3rem Georgia,serif; margin:.75rem 0; }
.atlas-grid p { color:var(--muted); font-size:.92rem; line-height:1.7; }
.atlas-grid dl { margin:1.25rem 0 0; border-top:1px solid var(--line); }
.atlas-grid dl div { display:grid; grid-template-columns:1fr 1fr; gap:1rem; padding:.65rem 0; border-bottom:1px solid rgba(255,255,255,.06); }
.atlas-grid dt,.atlas-grid dd { margin:0; font:500 .68rem "DM Mono",monospace; }
.atlas-grid dt { color:#748793; }.atlas-grid dd { color:#cbd6dc; text-align:right; }
.error-budget { display:grid; grid-template-columns:1fr 1fr; gap:2rem; margin-top:1.5rem; padding:1.4rem; border:1px solid rgba(203,168,106,.35); background:rgba(203,168,106,.04); }
.error-budget b { color:var(--gold); font:500 .72rem "DM Mono",monospace; letter-spacing:.08em; }.error-budget p { margin:.45rem 0 0; color:var(--muted); line-height:1.6; }
.quant-workflow { display: flex; align-items: center; gap: .65rem; margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.08); overflow-x: auto; color: #aeb9c0; font: 500 .67rem "DM Mono",monospace; white-space: nowrap; }
.quant-workflow i { color: var(--gold); font-style: normal; }
.model-tabs button[hidden] { display: none; }

.model-tabs { position: sticky; top: 0; z-index: 30; display: flex; overflow-x: auto; padding: 0 clamp(1rem, 4vw, 4.75rem); background: rgba(5,13,21,.96); backdrop-filter: blur(15px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.model-tabs button { flex: 0 0 auto; min-height: 64px; padding: 0 1.25rem; border: 0; border-right: 1px solid var(--line); background: transparent; color: #82919d; cursor: pointer; font: 500 .7rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .05em; }
.model-tabs button:first-child { border-left: 1px solid var(--line); }
.model-tabs button.active { color: var(--ink); background: var(--gold); }

.workspace { padding: clamp(3rem, 6vw, 6rem) clamp(1.5rem, 7.8vw, 9rem); background: var(--navy); }
.model-panel { display: none; max-width: 1320px; margin: 0 auto; }
.model-panel.active { display: block; animation: reveal .3s ease; }
@keyframes reveal { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.panel-head { display: grid; grid-template-columns: 1.35fr .65fr; gap: 5vw; align-items: end; margin-bottom: 3rem; }
.panel-head span { color: var(--gold); font: 500 .66rem/1 "DM Mono", monospace; letter-spacing: .1em; }
.panel-head h2 { margin: .75rem 0 0; font: 400 clamp(2.2rem, 4vw, 4.4rem)/1.04 Manrope, sans-serif; letter-spacing: -.045em; }
.panel-head > p { margin: 0; color: #98a8b4; font-size: .94rem; line-height: 1.7; }

.pricer-form { border-top: 1px solid var(--line); padding-top: 2rem; }
.inputs { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1rem; }
.inputs label { display: flex; flex-direction: column; gap: .55rem; color: #9eacb6; font: 500 .68rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .04em; }
.inputs input, .inputs select { width: 100%; height: 52px; padding: 0 .85rem; border: 1px solid rgba(255,255,255,.18); border-radius: 0; outline: 0; background: rgba(0,0,0,.16); color: #fff; font: 400 .94rem/1 "DM Mono", monospace; }
.inputs input:focus, .inputs select:focus { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.inputs select { color-scheme: dark; }
.run { margin-top: 1.5rem; min-height: 52px; padding: 0 1.25rem; border: 0; background: var(--gold); color: var(--ink); cursor: pointer; font: 600 .72rem/1 "DM Mono", monospace; letter-spacing: .07em; }
.run span { margin-left: 1rem; }
.run:hover { background: #dbbd84; }
.form-error { min-height: 1rem; color: var(--negative); font-size: .82rem; }

.results { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 3rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.results > div { min-height: 145px; padding: 1.45rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.results > div:last-child { border-right: 0; }
.results span { color: #8595a1; font: 500 .67rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .05em; }
.results strong { overflow-wrap: anywhere; color: #f5f7f8; font: 500 clamp(1.25rem, 2.2vw, 2.2rem)/1.05 "DM Mono", monospace; letter-spacing: -.04em; }
.results .result-total strong { color: var(--gold); }
.results-six { grid-template-columns: repeat(3, 1fr); }
.results-six > div:nth-child(3) { border-right: 0; }
.results-six > div:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
#bond .results { grid-template-columns: repeat(5, 1fr); }
#bond .results > div { min-width: 0; }
.allocation-chart { margin-top: 2rem; padding: 1.4rem; border: 1px solid var(--line); }
.model-chart-shell { height: 280px; margin-top: 2rem; border: 1px solid var(--line); background: rgba(0,0,0,.14); }
.model-chart-shell canvas { width: 100%; height: 100%; display: block; }
.scenario-explorer { margin-top: 2rem; padding: 1.25rem; border: 1px solid var(--line); background: rgba(0,0,0,.12); }
.scenario-explorer header { display: flex; justify-content: space-between; align-items: end; gap: 1rem; }
.scenario-explorer header span { color: var(--gold); font: 500 .68rem "DM Mono",monospace; letter-spacing: .08em; }
.scenario-explorer h3 { margin: .45rem 0 0; font: 500 1.1rem Manrope,sans-serif; }
.scenario-explorer header button { min-height: 38px; padding: 0 .8rem; border: 1px solid rgba(203,168,106,.55); background: transparent; color: var(--gold); cursor: pointer; font: 500 .68rem "DM Mono",monospace; }
.scenario-controls { display: grid; grid-template-columns: repeat(3,1fr); gap: .8rem; margin-top: 1rem; }
.scenario-controls label { display: flex; flex-direction: column; gap: .4rem; color: #82939f; font: 500 .68rem "DM Mono",monospace; text-transform: uppercase; }
.scenario-controls select { height: 42px; padding: 0 .7rem; border: 1px solid var(--line); background: #07131e; color: #edf2f4; }
.scenario-canvas { height: 260px; margin-top: 1rem; }
.scenario-canvas canvas { width: 100%; height: 100%; display: block; }
.model-brief { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 2rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.model-brief div { min-height: 150px; padding: 1.2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.model-brief b { color: var(--gold); font: 500 .68rem "DM Mono",monospace; letter-spacing: .07em; }
.model-brief p { margin: 1.8rem 0 0; color: #9cabb5; font-size: .86rem; line-height: 1.65; }
.allocation-row { display: grid; grid-template-columns: 70px 1fr 80px; gap: 1rem; align-items: center; min-height: 38px; color: #91a0ac; font: 500 .68rem/1 "DM Mono", monospace; }
.allocation-row b { color: #d7e0e5; text-align: right; font-weight: 500; }
.allocation-track { height: 12px; position: relative; background: linear-gradient(90deg, transparent 49.7%, rgba(255,255,255,.3) 50%, transparent 50.3%); }
.allocation-track i { position: absolute; top: 2px; height: 8px; }
.allocation-track i.long { background: var(--gold); }
.allocation-track i.short { background: #58778f; }
details { border-bottom: 1px solid var(--line); }
summary { padding: 1.25rem 0; cursor: pointer; color: #c5cfd6; font-size: .82rem; }
details p { max-width: 920px; margin: 0 0 1.5rem; color: #81919d; line-height: 1.65; font-size: .85rem; }

.control-plane { padding: clamp(4rem, 7vw, 7rem) clamp(1.5rem, 7.8vw, 9rem); background: #07111d; border-top: 1px solid var(--line); }
.surface-controls{display:grid;grid-template-columns:1fr 1.4fr 1.4fr auto;gap:1rem;align-items:end;margin:0 0 1.5rem;padding:1rem;border:1px solid var(--line);background:rgba(255,255,255,.025)}
.surface-controls label{display:flex;flex-direction:column;gap:.45rem;color:#8fa0ac;font:500 .65rem "DM Mono",monospace;text-transform:uppercase}.surface-controls select{height:40px;padding:0 .65rem;border:1px solid var(--line);background:#0a1927;color:#eef3f5}.surface-controls input{accent-color:var(--gold)}.surface-controls output{color:var(--gold);font:500 .68rem "DM Mono",monospace}.surface-controls button{min-height:40px;padding:0 1rem;border:1px solid var(--gold);background:transparent;color:var(--gold);font:500 .66rem "DM Mono",monospace;cursor:pointer}
.control-plane > header { display: grid; grid-template-columns: 1.25fr .75fr; gap: 7vw; align-items: end; margin-bottom: 3rem; }
.control-plane h2 { margin: 0; max-width: 850px; font: 400 clamp(2.2rem,4vw,4.3rem)/1.05 Manrope,sans-serif; letter-spacing: -.045em; }
.control-plane header > p { margin: 0; color: #91a1ac; font-size: .9rem; line-height: 1.7; }
.control-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.control-grid article { min-height: 210px; padding: 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; }
.control-grid .pass { position: absolute; right: 1.2rem; top: 1.2rem; padding: .35rem .5rem; border: 1px solid rgba(114,198,165,.45); color: var(--positive); font: 500 .6rem "DM Mono",monospace; letter-spacing: .08em; }
.control-grid b { color: var(--gold); font: 500 .65rem "DM Mono",monospace; }
.control-grid h3 { margin: 3rem 0 .7rem; font: 500 1rem Manrope,sans-serif; }
.control-grid p { margin: 0; color: #8999a4; font: 400 .75rem/1.6 "DM Mono",monospace; }
.control-foot { display: flex; justify-content: space-between; gap: 3rem; margin-top: 1.5rem; align-items: start; }
.control-foot p { max-width: 820px; margin: 0; color: #71828e; font-size: .76rem; line-height: 1.65; }
.control-foot a { flex:none; color: var(--gold); border-bottom: 1px solid var(--gold); padding-bottom: .25rem; font-size: .78rem; }

.exposure-chart { margin-top: 2rem; padding: 1.5rem; border: 1px solid var(--line); }
.exposure-chart [data-bars] { height: 150px; display: flex; align-items: end; gap: 7px; }
.bar-pair { flex: 1; height: 100%; display: flex; align-items: end; gap: 2px; position: relative; }
.bar { flex: 1; min-height: 1px; transition: height .3s ease; }
.bar.epe { background: var(--gold); }
.bar.ene { background: #58778f; }

.references { padding: clamp(4rem, 7vw, 7rem) clamp(1.5rem, 7.8vw, 9rem); background: var(--paper); color: var(--ink); display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; }
.references h2 { margin: 0; font: 400 clamp(2.2rem, 4vw, 4.2rem)/1.05 Manrope, sans-serif; letter-spacing: -.045em; }
.references ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid #bdc6cb; }
.references li { display: grid; grid-template-columns: 190px 1fr; gap: 1.5rem; padding: 1.3rem 0; border-bottom: 1px solid #bdc6cb; }
.references b { font: 500 .85rem/1.4 Manrope, sans-serif; }
.references li span { color: #5d6b75; font-size: .85rem; line-height: 1.55; }
.references .kicker { color: #7e6436; }
.disclaimer { padding: 2.5rem clamp(1.5rem, 7.8vw, 9rem); display: grid; grid-template-columns: .65fr 1.35fr; gap: 6vw; background: #050c13; }
.disclaimer b { color: var(--gold); font: 500 .72rem/1.5 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .05em; }
.disclaimer p { margin: 0; color: #758691; line-height: 1.65; font-size: .8rem; }
footer { min-height: 70px; padding: 0 clamp(1.5rem, 4vw, 4.75rem); display: flex; justify-content: space-between; align-items: center; color: #687985; background: #03080d; font-size: .68rem; letter-spacing: .06em; }

@media (max-width: 1000px) {
  .surface-controls { grid-template-columns:repeat(2,1fr); }
  .numerical-atlas > header { grid-template-columns:1fr; gap:1rem; }
  .atlas-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .lab-hero, .panel-head, .references { grid-template-columns: 1fr; gap: 3rem; }
  .inputs { grid-template-columns: repeat(2,1fr); }
  .results { grid-template-columns: repeat(2,1fr); }
  .results-six, #bond .results { grid-template-columns: repeat(2,1fr); }
  .results-six > div:nth-child(odd), #bond .results > div:nth-child(odd) { border-right: 1px solid var(--line); }
  .results-six > div:nth-child(even), #bond .results > div:nth-child(even) { border-right: 0; }
  .results-six > div:nth-child(-n+4), #bond .results > div:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .results > div:nth-child(2) { border-right: 0; }
  .results > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .disclaimer { grid-template-columns: 1fr; gap: 1rem; }
  .control-plane > header { grid-template-columns: 1fr; gap: 2rem; }
  .control-grid { grid-template-columns: repeat(2,1fr); }
  .model-brief { grid-template-columns: repeat(2,1fr); }
  .quant-route { grid-template-columns: repeat(2,1fr); }
  .quant-route a:nth-child(odd) { border-left: 1px solid var(--line); }
  .quant-route a:nth-child(4) { border-left: 0; }
  .quant-route a:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 620px) {
  .surface-controls { grid-template-columns:1fr; }
  .atlas-grid,.error-budget { grid-template-columns:1fr; }
  .lab-nav { height: auto; min-height: 76px; padding-top: .8rem; padding-bottom: .8rem; }
  .engine-status { display: none; }
  .quant-route { grid-template-columns: 1fr; }
  .quant-route a { min-height: 108px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .nav-actions { gap: .6rem; }
  .catalog-heading { grid-template-columns: 1fr; gap: 1.2rem; }
  .nav-actions > a { padding: .6rem .7rem; font-size: .7rem; }
  .lab-hero { min-height: 500px; }
  .lab-hero h1 { font-size: 2.75rem; }
  .inputs, .results { grid-template-columns: 1fr; }
  .results-six, #bond .results { grid-template-columns: 1fr; }
  .results-six > div, #bond .results > div { border-right: 0; }
  .results > div { min-height: 115px; border-right: 0; border-bottom: 1px solid var(--line); }
  .results > div:last-child { border-bottom: 0; }
  .publication-status { grid-column: 2; }
  .references li { grid-template-columns: 1fr; gap: .4rem; }
  .control-grid { grid-template-columns: 1fr; }
  .control-foot { flex-direction: column; gap: 1.25rem; }
  .scenario-controls { grid-template-columns: 1fr; }
  .model-brief { grid-template-columns: 1fr; }
  footer { min-height: 90px; flex-direction: column; justify-content: center; align-items: flex-start; gap: .5rem; }
}