:root{color-scheme:dark;--bg:#0b0d10;--bg-elevated:#111417;--bg-elevated-hover:#151a1e;--border:#1c2024;--border-strong:#2a2f35;--text-primary:#f5f6f7;--text-secondary:#9aa1ab;--text-muted:#6b7280;--accent:#9fe6c8;--accent-strong:#c4f5e0;--accent-fg:#0b0d10;--accent-dim:rgba(159,230,200,0.1);--accent-border:rgba(159,230,200,0.35);--weak:#e6a89f;--weak-dim:rgba(230,168,159,0.12);--mid:#e6d29f;--mid-dim:rgba(230,210,159,0.12);--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--font-sans:-apple-system,"Segoe UI",system-ui,sans-serif;--font-mono:"SF Mono",Menlo,Consolas,monospace;--container:1080px;--container-narrow:560px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}body,h1,h2,h3,p{margin:0}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong)}.shell{max-width:var(--container);margin:0 auto;padding:0 24px}.page{max-width:var(--container-narrow);margin:0 auto;padding:64px 24px;gap:24px}.page,.stack{display:flex;flex-direction:column}.stack{gap:16px}.nav{justify-content:space-between;padding:20px 0;border-bottom:1px solid var(--border)}.brand,.nav{display:flex;align-items:center}.brand{gap:9px;font-weight:600;font-size:15px;color:var(--text-primary)}.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}.eyebrow{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.3px}.h1{font-size:clamp(32px,5vw,44px);line-height:1.18;letter-spacing:-.6px}.h1,.h2{font-weight:600;color:var(--text-primary)}.h2{font-size:26px;line-height:1.25;letter-spacing:-.3px}.lede{font-size:16px;line-height:1.65;color:var(--text-secondary)}.muted{color:var(--text-muted);font-size:13px}.button,.button-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1}.button{background:var(--accent)}.button,.button:hover{color:var(--accent-fg)}.button:hover{background:var(--accent-strong)}.button:disabled{opacity:.5;cursor:not-allowed}.button-secondary{background:transparent;color:var(--text-primary);border-color:var(--border-strong)}.button-secondary:hover{border-color:var(--text-secondary);color:var(--text-primary)}.card{background:var(--bg-elevated);padding:24px}.card,.tile{border:1px solid var(--border);border-radius:var(--radius-md)}.tile{background:var(--bg);padding:20px}.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:1px;gap:1px;background:var(--border);border-radius:var(--radius-md);overflow:hidden}.tile-grid .tile{border:none;border-radius:0;text-align:center}@media (max-width:640px){.tile-grid{grid-template-columns:1fr}}.hero-preview-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);grid-gap:32px;gap:32px;align-items:center}@media (max-width:680px){.hero-preview-grid{grid-template-columns:1fr}}.bar-row{display:flex;align-items:center;gap:12px}.bar-label{width:140px;flex-shrink:0;font-size:13px;color:var(--text-secondary)}.bar-track{flex:1 1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.bar-fill{height:100%;border-radius:3px;background:var(--accent)}.bar-fill.weak{background:var(--weak)}.bar-fill.mid{background:var(--mid)}.bar-value{width:40px;flex-shrink:0;text-align:right;font-size:13px;color:var(--text-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.question{border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin:0;min-width:0;display:flex;flex-direction:column;gap:12px}.question-title{padding:0;margin:0 0 4px;font-size:15px;line-height:1.5;color:var(--text-primary)}.option{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text-secondary);cursor:pointer}.option:hover{border-color:var(--border-strong);color:var(--text-primary)}.option.selected{border-color:var(--accent-border);background:var(--accent-dim);color:var(--text-primary)}.option input{accent-color:var(--accent)}.badge{display:inline-flex;align-items:center;padding:5px 12px;border:1px solid var(--accent-border);border-radius:100px;font-family:var(--font-mono);font-size:11px;letter-spacing:.4px;color:var(--accent)}.error-text{color:var(--weak);font-size:14px}.list-plain{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1px;background:var(--border);border-radius:var(--radius-md);overflow:hidden}.list-plain li{background:var(--bg-elevated);padding:16px 20px;font-size:14px;color:var(--text-secondary);transition:background .15s ease}.list-plain li:hover{background:var(--bg-elevated-hover)}@media (prefers-reduced-motion:no-preference){@keyframes fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes grow-bar{0%{width:0}}@keyframes draw-in{0%{opacity:0;transform:scale(.85);transform-origin:center}to{opacity:1;transform:scale(1)}}.fade-up{animation:fade-up .5s ease-out both}.fade-up-1{animation:fade-up .5s ease-out .08s both}.fade-up-2{animation:fade-up .5s ease-out .16s both}.fade-up-3{animation:fade-up .5s ease-out .24s both}.bar-fill{animation:grow-bar .9s cubic-bezier(.16,1,.3,1) both}.radar-fill{animation:draw-in .6s cubic-bezier(.16,1,.3,1) both}}.nav-sticky{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(11,13,16,.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card,.tile{transition:border-color .18s ease,transform .18s ease}.tile-interactive:hover{border-color:var(--border-strong);transform:translateY(-2px)}.button,.button-secondary,.option{transition:background .15s ease,border-color .15s ease,color .15s ease,transform .1s ease}.button-secondary:active,.button:active{transform:scale(.98)}.quiz-progress{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.quiz-progress-track{flex:1 1;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .25s ease-out}