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36px));max-height:calc(100% - 36px);overflow:auto;padding:18px 20px;border:1px solid color-mix(in srgb,var(--fold-foreground) 10%,transparent);border-radius:calc(var(--fold-radius) - 2px);background:color-mix(in srgb,var(--fold-panel) 94%,transparent);box-shadow:0 12px 32px #141f3217;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.fold-step-meta{display:flex;justify-content:space-between;color:var(--fold-accent);font-size:11px;font-weight:750;letter-spacing:.09em;text-transform:uppercase}.fold-instructions h2,.fold-text-view h3{margin:10px 0 6px;font-size:clamp(18px,3cqi,23px);line-height:1.15;letter-spacing:-.02em}.fold-instructions>p,.fold-text-view>p{margin:0;color:var(--fold-muted);font-size:14px}.fold-tactile{margin-top:14px;padding-top:12px;border-top:1px solid color-mix(in srgb,var(--fold-foreground) 10%,transparent);font-size:13px}.fold-tactile p{margin:5px 0 0;color:var(--fold-muted)}.fold-controls{z-index:4;display:flex;align-items:center;gap:8px;min-height:64px;padding:10px 12px;border-top:1px solid color-mix(in srgb,var(--fold-foreground) 10%,transparent);background:var(--fold-panel)}.fold-controls button,.fold-controls select,.fold-settings summary{font:inherit}.fold-controls button:focus-visible,.fold-controls select:focus-visible,.fold-controls input:focus-visible,.fold-settings summary:focus-visible,.fold-view-reset:focus-visible{outline:3px solid color-mix(in srgb,var(--fold-accent) 40%,transparent);outline-offset:2px}.fold-controls button:disabled{opacity:.38;cursor:not-allowed}.fold-play-button{height:40px;display:inline-flex;align-items:center;gap:7px;padding:0 16px;border:0;border-radius:10px;background:var(--fold-accent);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 3px 10px color-mix(in srgb,var(--fold-accent) 25%,transparent)}.fold-play-button svg{width:17px;height:17px;fill:currentColor}.fold-scrubber{flex:1;min-width:90px;display:flex;padding:0 4px}.fold-scrubber input{--fold-progress: 0%;width:100%;height:18px;margin:0;accent-color:var(--fold-accent);cursor:pointer}.fold-speed select{height:36px;padding:0 28px 0 10px;border:1px solid color-mix(in srgb,var(--fold-foreground) 14%,transparent);border-radius:9px;background:var(--fold-panel);color:var(--fold-foreground)}.fold-segmented{display:inline-flex;padding:3px;border-radius:10px;background:color-mix(in srgb,var(--fold-foreground) 6%,transparent)}.fold-segmented button{height:30px;padding:0 11px;border:0;border-radius:7px;background:transparent;color:var(--fold-muted);cursor:pointer;font-size:13px}.fold-segmented button[aria-pressed=true]{background:var(--fold-panel);color:var(--fold-foreground);box-shadow:0 1px 3px #141f321f}.fold-settings{position:relative}.fold-settings summary{height:36px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid color-mix(in srgb,var(--fold-foreground) 14%,transparent);border-radius:10px;cursor:pointer;list-style:none;font-size:13px}.fold-settings summary::-webkit-details-marker{display:none}.fold-settings-panel{position:absolute;right:0;bottom:calc(100% + 12px);width:240px;display:grid;gap:11px;padding:15px;border:1px solid color-mix(in srgb,var(--fold-foreground) 12%,transparent);border-radius:12px;background:var(--fold-panel);box-shadow:0 14px 36px #141f3229}.fold-settings-panel label{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px}.fold-settings-panel input{width:18px;height:18px;accent-color:var(--fold-accent)}.fold-status,.fold-text-view{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:32px;text-align:center}.fold-status--error strong{color:#a62828}.fold-status span,.fold-diagnostic{color:var(--fold-muted)}.fold-spinner{width:24px;height:24px;border:2px solid color-mix(in srgb,var(--fold-accent) 20%,transparent);border-top-color:var(--fold-accent);border-radius:999px;animation:fold-spin .8s linear infinite}.fold-text-view{max-width:580px;margin:auto}.fold-eyebrow{color:var(--fold-accent);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.fold-diagnostic{max-width:520px;padding:10px 12px;border-radius:9px;background:color-mix(in srgb,var(--fold-foreground) 5%,transparent);font-size:12px!important}.fold-render-note{position:absolute;bottom:14px;left:14px;max-width:390px;padding:8px 10px;border-radius:8px;background:color-mix(in srgb,var(--fold-panel) 92%,transparent);color:var(--fold-muted);font-size:11px;box-shadow:0 4px 16px #141f3214}.fold-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@keyframes fold-spin{to{transform:rotate(360deg)}}@container fold-viewer (max-width: 720px){.fold-instructions{top:12px;right:12px;width:min(290px,calc(100% - 24px));padding:14px 16px}.fold-controls{flex-wrap:wrap}.fold-scrubber{order:-1;flex-basis:100%}.fold-settings summary span,.fold-reset-button{display:none}.fold-settings summary{width:36px;padding:0;justify-content:center}.fold-segmented{margin-left:auto}}@container fold-viewer (max-width: 460px){.fold-instructions{left:10px;right:10px;width:auto;top:10px}.fold-step-meta span:last-child,.fold-play-button span,.fold-speed{display:none}.fold-play-button{width:40px;padding:0;justify-content:center}.fold-controls{gap:6px;padding:8px}}@media(prefers-reduced-motion:reduce){.fold-spinner{animation:none}}@media(forced-colors:active){.fold-viewer,.fold-instructions,.fold-controls,.fold-settings-panel{border:1px solid CanvasText}.fold-play-button{background:Highlight;color:HighlightText}}:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#172033;background:#fbfcfd;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}.site-header{max-width:1240px;height:72px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:760;letter-spacing:-.02em}.brand svg{width:28px;height:28px;fill:none;stroke:#1768e5;stroke-width:1.5}.version{padding:3px 7px;border-radius:99px;background:#eef4ff;color:#1768e5;font-size:10px;letter-spacing:.08em;text-transform:uppercase}nav{display:flex;gap:26px;font-size:14px;color:#647087}nav a:hover{color:#172033}main{overflow:hidden}.hero{max-width:1240px;min-height:500px;margin:auto;padding:86px 28px 72px;display:grid;grid-template-columns:minmax(0,720px) 1fr;align-items:end;gap:70px}.kicker{color:#1768e5;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero h1{margin:15px 0 22px;font-size:clamp(47px,7vw,84px);line-height:.97;letter-spacing:-.055em}.hero h1 em{color:#1768e5;font-family:Georgia,serif;font-weight:400}.hero-copy>p{max-width:620px;margin:0;color:#667187;font-size:18px;line-height:1.65}.hero-actions{display:flex;align-items:center;gap:18px;margin-top:30px}.primary{display:inline-flex;align-items:center;height:44px;padding:0 19px;border-radius:10px;background:#1768e5;color:#fff;font-size:14px;font-weight:700;box-shadow:0 8px 20px #1768e533}.hero-actions code{color:#697386;font-size:13px}.principles{display:grid;gap:13px;padding:20px 0;color:#697386;font-size:13px}.principles span{padding:0 0 13px;border-bottom:1px solid #e3e7eb}.viewer-section{padding:70px max(28px,calc((100vw - 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