:root{--bg-canvas:210 20% 98%;--bg-surface:0 0% 100%;--bg-surface-1:210 25% 95%;--bg-surface-2:215 20% 91%;--bg-card:0 0% 100%;--bg-elevated:210 25% 96%;--bg-hover:215 25% 88%;--primary:24 95% 26%;--primary-hover:24 95% 20%;--primary-light:24 95% 26% / .12;--accent-hydraulic:201 96% 36%;--accent-thermal:14 90% 48%;--accent-pass:142 76% 32%;--accent-warn:38 92% 40%;--accent-danger:0 84% 50%;--text-primary:222 47% 11%;--text-secondary:215 25% 27%;--text-muted:215 16% 45%;--text-inverse:0 0% 100%;--border-subtle:215 25% 82%;--border-prominent:215 20% 65%;--border-focus:30 90% 42%;--shadow-specular:inset 0 1px 0 0 #fffc, 0 1px 3px #0f172914;--shadow-sm:0 1px 2px 0 #0f17290f;--shadow-1:0 4px 6px -1px #0f172914;--shadow-2:0 10px 15px -3px #0f17291a;--shadow-3:0 20px 25px -5px #0f17291f;--shadow-card:var(--shadow-1);--shadow-elevated:var(--shadow-2);--shadow-elevation-1:var(--shadow-sm);--shadow-elevation-2:var(--shadow-1);--shadow-elevation-3:var(--shadow-2);--shadow-elevation-4:var(--shadow-3);--text-hero:clamp(2.5rem, 5vw + 1rem, 4.5rem);--text-h1:clamp(2rem, 3.5vw + .5rem, 3rem);--tracking-tight:-.035em;--text-display:clamp(2.25rem, 5vw + .5rem, 4.25rem);--text-h2:clamp(1.65rem, 2.8vw + .5rem, 2.5rem);--text-h3:clamp(1.2rem, 1.4vw + .5rem, 1.65rem);--text-body:clamp(.95rem, .4vw + .85rem, 1.1rem);--text-small:clamp(.8rem, .2vw + .75rem, .9rem);--text-micro:.75rem;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, Menlo, Consolas, monospace;--spring-snappy:cubic-bezier(.16, 1, .3, 1);--spring-bounce:cubic-bezier(.34, 1.56, .64, 1);--duration-fast:.15s;--duration-normal:.25s;--duration-slow:.4s;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-pill:9999px;--touch-target-min:48px}[data-theme=dark]{--bg-canvas:222 47% 7%;--bg-surface:222 38% 11%;--bg-surface-1:222 38% 11%;--bg-surface-2:222 32% 15%;--bg-card:222 32% 15%;--bg-elevated:222 28% 20%;--bg-hover:222 25% 24%;--primary:38 92% 50%;--primary-hover:38 96% 56%;--primary-light:38 92% 50% / .15;--accent-hydraulic:199 89% 48%;--accent-thermal:14 90% 53%;--accent-pass:142 71% 45%;--accent-warn:45 93% 47%;--accent-danger:0 84% 60%;--text-primary:210 40% 98%;--text-secondary:215 20% 75%;--text-muted:217 19% 60%;--text-inverse:222 47% 7%;--border-subtle:220 20% 22%;--border-prominent:220 25% 32%;--border-focus:38 92% 50%;--shadow-specular:inset 0 1px 0 0 #ffffff1f, inset 0 0 0 1px #ffffff0a;--shadow-sm:0 1px 2px 0 #03040766;--shadow-1:0 4px 6px -1px #03040780;--shadow-2:0 10px 15px -3px #03040799;--shadow-3:0 20px 25px -5px #030407b3}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);background-color:hsl(var(--bg-canvas));color:hsl(var(--text-primary));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;scroll-behavior:smooth;line-height:1.65;overflow-x:clip}body{background-color:hsl(var(--bg-canvas));min-height:100vh;color:hsl(var(--text-primary));font-size:var(--text-body);flex-direction:column;display:flex;position:relative;overflow-x:clip}h1,h2,h3,h4,h5,h6{color:hsl(var(--text-primary));text-wrap:balance;font-weight:700}h1,.font-display{font-size:var(--text-display);letter-spacing:-.035em;padding-top:.05em;line-height:1.15}h2{font-size:var(--text-h2);letter-spacing:-.025em;padding-top:.05em;line-height:1.25}h3{font-size:var(--text-h3);letter-spacing:-.015em;line-height:1.35}p{color:hsl(var(--text-secondary));max-width:72ch;margin-bottom:1.25rem}a{color:hsl(var(--primary));text-underline-offset:3px;transition:color var(--duration-fast) var(--spring-snappy);text-decoration:underline}a:hover{color:hsl(var(--primary-hover))}.tabular,table,code,pre,.stat-value,.metric,[data-tabular]{font-variant-numeric:tabular-nums lining-nums;font-family:var(--font-mono)}.eyebrow{font-size:var(--text-micro);letter-spacing:.18em;text-transform:uppercase;color:hsl(var(--primary));font-weight:700;font-family:var(--font-mono);align-items:center;gap:.5rem;display:inline-flex}:focus-visible{outline:2px solid hsl(var(--primary));outline-offset:3px;border-radius:var(--radius-sm)}.skip-link{z-index:9999;background:hsl(var(--primary));color:hsl(var(--text-inverse));border-radius:var(--radius-md);transition:top var(--duration-fast) var(--spring-snappy);padding:.75rem 1.5rem;font-weight:700;text-decoration:none;position:absolute;top:-100px;left:1rem}.skip-link:focus{top:1rem}button,input,select,textarea,.touch-target{min-height:var(--touch-target-min);font-family:inherit}.chip-container,.pill-group{flex-wrap:wrap;gap:.5rem;width:auto;display:flex}.chip-item,.pill-button{white-space:nowrap}.container{width:100%;max-width:1280px;margin-left:auto;margin-right:auto;padding-left:clamp(1rem,4vw,2rem);padding-right:clamp(1rem,4vw,2rem)}.surface-canvas{background-color:hsl(var(--bg-canvas))}.surface-card{background-color:hsl(var(--bg-card));border:1px solid hsl(var(--border-subtle));border-radius:var(--radius-lg);box-shadow:var(--shadow-specular), var(--shadow-card)}.surface-elevated{background-color:hsl(var(--bg-elevated));border:1px solid hsl(var(--border-prominent));border-radius:var(--radius-md)}.divider-hairline{background:linear-gradient(90deg, transparent 0%, hsl(var(--border-subtle)) 20%, hsl(var(--border-subtle)) 80%, transparent 100%);border:none;height:1px;margin:3rem 0}.tactile-input{background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:var(--radius-md);width:100%;color:hsl(var(--text-primary));font-size:var(--text-body);transition:all var(--duration-fast) var(--spring-snappy);padding:.75rem 1rem;box-shadow:inset 0 2px 4px #04060b80}.tactile-input:focus{border-color:hsl(var(--primary));box-shadow:0 0 0 3px hsl(var(--primary-light));outline:none}.btn-primary{background:hsl(var(--primary));color:hsl(var(--text-inverse));border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;box-shadow:var(--shadow-specular), 0 4px 12px hsl(var(--primary) / .25);transition:all var(--duration-fast) var(--spring-snappy);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary:hover{background:hsl(var(--primary-hover));box-shadow:var(--shadow-specular), 0 6px 16px hsl(var(--primary) / .35);transform:translateY(-1px)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:hsl(var(--bg-elevated));color:hsl(var(--text-primary));border-radius:var(--radius-md);border:1px solid hsl(var(--border-subtle));cursor:pointer;box-shadow:var(--shadow-specular);transition:all var(--duration-fast) var(--spring-snappy);justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-secondary:hover{background:hsl(var(--bg-hover));border-color:hsl(var(--border-prominent));color:hsl(var(--text-primary))}.direct-answer-capsule{background:linear-gradient(135deg, hsl(var(--bg-surface)), hsl(var(--bg-card)));border-left:4px solid hsl(var(--primary));border-top:1px solid hsl(var(--border-subtle));border-right:1px solid hsl(var(--border-subtle));border-bottom:1px solid hsl(var(--border-subtle));border-radius:var(--radius-md);box-shadow:var(--shadow-card);margin:1.5rem 0 2rem;padding:1.25rem 1.5rem}.direct-answer-capsule p{color:hsl(var(--text-primary));margin-bottom:0;font-size:1.05rem;font-weight:500;line-height:1.6}@keyframes ambient-glow{0%,to{opacity:.6;transform:scale(1)}50%{opacity:.9;transform:scale(1.02)}}@keyframes specular-sweep{0%{transform:translate(-100%)}to{transform:translate(100%)}}.ambient-motion{will-change:transform, opacity;animation:8s cubic-bezier(.16,1,.3,1) infinite ambient-glow}@media print{*,:before,:after{color:#000!important;box-shadow:none!important;text-shadow:none!important;background:0 0!important}html,body{font-size:11pt;line-height:1.4;color:#000!important;background:#fff!important}nav,footer,.no-print,.skip-link,button,.interactive-controls,#history-drawer{display:none!important}.container{max-width:100%!important;margin:0!important;padding:0!important}.surface-card,.direct-answer-capsule{page-break-inside:avoid;border:1px solid #333!important;margin-bottom:12pt!important;padding:12pt!important}a{color:#000!important;text-decoration:underline!important}.print-only{display:block!important}}