.badge-real{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 10px;border-radius:999px;background:var(--accent-soft);color:var(--link);border:1px solid color-mix(in srgb,var(--link) 35%,transparent);white-space:nowrap}
.badge-real::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}
.hide-sm{}
@media (max-width:640px){.hide-sm{display:none}.badge-real{display:none}}
.cs-hero{padding:44px 0 6px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--link);margin-bottom:10px}
.cs-hero h1{margin:0 0 10px;font-size:clamp(30px,5vw,52px);letter-spacing:-.03em;line-height:1.05;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;width:fit-content}
.cs-hero .lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:820px;margin:0}
.cs-hero .lead b{color:var(--text)}
.kpis{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.kpis{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.kpis{gap:10px}.kpi{padding:14px}.kpi .value{font-size:23px}.kpi .label{font-size:12px}.kpi .foot{font-size:11.5px}}
.kpi .value small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.graph-card{padding:0;overflow:hidden;margin-bottom:28px}
.graph-card>.card-head{padding:20px 20px 0;margin-bottom:12px}
.graph-card>.explain{margin:0 20px 20px}
.graph-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:10px}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;user-select:none;margin-right:4px}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch span{width:36px;height:20px;border-radius:99px;background:var(--surface-2);border:1px solid var(--border);position:relative;transition:background .2s}
.switch span::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--faint);transition:transform .2s,background .2s}
.switch input:checked+span{background:color-mix(in srgb,var(--accent-4) 35%,transparent);border-color:var(--accent-4)}
.switch input:checked+span::after{transform:translateX(16px);background:var(--accent-4)}
.switch input:focus-visible+span{outline:2px solid var(--accent-2);outline-offset:2px}
.graph-stage{position:relative;height:min(68vh,640px);min-height:420px;background:radial-gradient(ellipse at 50% 45%,#0f2340 0%,#081226 55%,#050c1a 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
[data-theme="light"] .graph-stage{background:radial-gradient(ellipse at 50% 45%,#ffffff 0%,#eef6f7 60%,#e2eef0 100%)}
#graph3d{position:absolute;inset:0;overflow:hidden}
#graph3d canvas{display:block;touch-action:none}
.graph-loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-weight:600;font-size:14px;pointer-events:none;transition:opacity .4s}
.graph-loading.done{opacity:0}
.graph-legend{position:absolute;left:14px;bottom:14px;list-style:none;margin:0;padding:10px 12px;display:grid;gap:5px;font-size:12px;font-weight:500;color:var(--text);background:color-mix(in srgb,var(--surface) 78%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:12px;pointer-events:none}
.graph-legend li{display:flex;align-items:center;gap:8px}
.graph-legend em{font-style:normal;color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;padding-left:8px}
.dot{width:10px;height:10px;border-radius:50%;flex:none}
.dot.seed{background:#10e39a;box-shadow:0 0 8px 2px rgba(16,227,154,.8)}
.dot.dep{background:#1fd5f0}
.dot.pool-fast{background:#ff4d5e}.dot.pool{background:#fb8a7e}.dot.pool-slow{background:#fbbf24}
.dot.wash{background:#c084fc;box-shadow:0 0 6px 1px rgba(192,132,252,.7)}
.dot.out{background:#e6f1f2;border:1px solid #7389a0}
[data-theme="light"] .dot.out{background:#7389a0}
.graph-mode{position:absolute;right:14px;bottom:14px;font-size:11.5px;color:var(--faint);background:color-mix(in srgb,var(--surface) 70%,transparent);padding:4px 8px;border-radius:8px;pointer-events:none}
.graph-mode:empty{display:none}
.graph-sel{position:absolute;right:14px;top:14px;max-width:270px;padding:10px 12px;font-size:12px;line-height:1.45;color:var(--text);background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:12px;pointer-events:none;box-shadow:var(--shadow)}
.graph-sel{opacity:0;transform:translateY(-4px);transition:opacity .22s ease,transform .22s ease;will-change:opacity}.graph-sel.show{opacity:1;transform:none}
#graph3d canvas{touch-action:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}
.graph-sel b{display:block;font-size:12.5px}
.graph-sel code{font-size:11px;color:var(--muted)}
.graph-sel span{display:block;color:var(--muted);margin:2px 0 6px}
.graph-sel ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.graph-sel li{display:flex;align-items:center;gap:7px}
.graph-sel li i{width:14px;height:4px;border-radius:2px;flex:none}
.graph-sel em{display:block;margin-top:7px;font-style:normal;color:var(--faint);font-size:11px}
@media (max-width:700px){.graph-sel{left:8px;right:8px;top:8px;max-width:none;padding:7px 9px;font-size:10.5px;line-height:1.3}.graph-sel b{font-size:11.5px;display:inline}.graph-sel span{margin:1px 0 4px}.graph-sel ul{display:flex;flex-wrap:wrap;gap:3px 10px}.graph-sel li i{width:10px;height:3px}.graph-sel em{display:none}}
.tt3d{position:fixed;z-index:50;pointer-events:none;background:var(--text);color:var(--bg);font-size:12.5px;line-height:1.45;padding:9px 11px;border-radius:10px;box-shadow:var(--shadow);max-width:260px;transform:translate(14px,14px)}
.tt3d b{font-weight:700}.tt3d .k{opacity:.7}.tt3d code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.scene-tooltip{display:none!important}
.block{padding:28px 0 8px}
.block h2{margin:0 0 4px;font-size:clamp(22px,3vw,28px);letter-spacing:-.02em}
.block>.sub{margin:0 0 18px;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:900px){.two-col{grid-template-columns:1fr}}
.prose h2{font-size:22px;margin:0 0 8px}
.prose .sub{margin:-4px 0 10px}
.method,.lessons{margin:0;padding-left:20px;color:var(--muted);font-size:14.5px}
.method li,.lessons li{margin:0 0 10px}
.method b,.lessons b{color:var(--text)}
.tools{font-size:13.5px;color:var(--muted);margin:10px 0 0}
.cs-foot{text-align:left;line-height:1.6}
@media (max-width:640px){.graph-stage{height:62vh;min-height:380px}.graph-legend{font-size:11px;padding:8px 10px;gap:3px;left:8px;bottom:8px}.graph-card>.card-head{padding:16px 16px 0}.graph-card>.explain{margin:0 16px 16px}}

@media (max-width:640px){
  .graph-stage{height:auto;min-height:0;display:flex;flex-direction:column}
  #graph3d{position:relative;inset:auto;height:56vh;min-height:340px}
  .graph-legend{position:static;display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;margin:0;border:0;border-top:1px solid var(--border);border-radius:0;background:var(--surface);backdrop-filter:none;-webkit-backdrop-filter:none;padding:12px 16px}
  .graph-legend em{padding-left:4px}
  .graph-loading{height:56vh}
}

.cs-hero .subtitle{margin:-4px 0 12px;font-size:clamp(17px,2.2vw,22px);font-weight:600;color:var(--text);letter-spacing:-.01em}
#priceNote{display:inline-block;margin-top:6px}

.retail-kpis{margin-top:0}
.prose h3{margin:0 0 10px;font-size:16px}
.prose h3.mt{margin-top:18px}
.body-copy{margin:0;color:var(--muted);font-size:14.5px}
.flags{margin:0;padding:0;list-style:none;display:grid;gap:10px;font-size:14.5px;color:var(--muted)}
.flags li{position:relative;padding-left:26px}
.flags li::before{content:"!";position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;background:var(--neg-bg);color:var(--neg)}
.flags b{color:var(--text)}
#everyday .explain{margin-top:0}

/* plain-English additions */
.term{border-bottom:1px dotted currentColor;cursor:help;position:relative;outline:none;text-decoration:none}
.term:hover::after,.term:focus::after{content:attr(data-def);position:absolute;left:0;top:calc(100% + 6px);width:max-content;max-width:260px;background:var(--text);color:var(--bg);font-size:12.5px;font-weight:500;line-height:1.45;padding:8px 10px;border-radius:8px;z-index:40;box-shadow:var(--shadow);white-space:normal;text-transform:none;letter-spacing:0}
.eyebrow .term:hover::after,.eyebrow .term:focus::after{font-size:12px}
@media (max-width:720px){.term:hover::after,.term:focus::after{position:fixed;left:16px;right:16px;top:auto;bottom:16px;max-width:none;width:auto}}
.steps-block .scheme{list-style:none;counter-reset:st;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:0;margin:14px 0 0}
.scheme li{counter-increment:st;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 16px 18px;line-height:1.55;font-size:14.5px;color:var(--muted)}
.scheme li::before{content:counter(st);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#062a22;font-weight:700;font-size:14px;margin-bottom:10px}
.scheme li b{display:block;color:var(--text);font-size:15.5px;margin-bottom:4px}
@media (max-width:1000px){.steps-block .scheme{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps-block .scheme{grid-template-columns:1fr}}
.glossary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0 0}
.glossary div{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px}
.glossary dt{font-weight:700;color:var(--text);margin-bottom:3px}
.glossary dd{margin:0;color:var(--muted);line-height:1.5;font-size:14px}
@media (max-width:720px){.glossary{grid-template-columns:1fr}}

.tt3d.touch{transform:none;max-width:230px;font-size:11.5px;line-height:1.4;padding:7px 9px}