:root{--paper: #f3f5fa;--surface: #ffffff;--ink: #131c33;--muted: #56607a;--line: #d8deea;--control-line: #7d87a1;--feature-bg: #131c33;--feature-ink: #f3f5fa;--feature-muted: #b9c1d6;--feature-line: #34405e;--accent: #2442c9;--accent-soft: #e4e9fb;--on-accent: #ffffff;--marker: #f2b544;--on-marker: #131c33;--ok: #17704a;--warn-bg: #fff4dc;--warn-ink: #6b4500;--error: #b42318;--display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;--body: "Figtree", "Segoe UI", system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--radius: 14px;--gutter: clamp(16px, 4vw, 40px);--max: 1180px;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--paper: #0e1424;--surface: #161e33;--ink: #eef1f8;--muted: #9aa4bf;--line: #2a3450;--control-line: #636e90;--feature-bg: #1d2852;--feature-ink: #eef1f8;--feature-muted: #b9c3e6;--feature-line: #34407a;--accent: #8ea2ff;--accent-soft: #1d2852;--on-accent: #0e1424;--ok: #5fd39a;--warn-bg: #3a2c0c;--warn-ink: #ffd88a;--error: #ff8a7a;color-scheme:dark}}:root[data-theme=dark]{--paper: #0e1424;--surface: #161e33;--ink: #eef1f8;--muted: #9aa4bf;--line: #2a3450;--control-line: #636e90;--feature-bg: #1d2852;--feature-ink: #eef1f8;--feature-muted: #b9c3e6;--feature-line: #34407a;--accent: #8ea2ff;--accent-soft: #1d2852;--on-accent: #0e1424;--ok: #5fd39a;--warn-bg: #3a2c0c;--warn-ink: #ffd88a;--error: #ff8a7a;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased}h1,h2,h3,p,ul,ol,fieldset{margin:0}ul,ol{padding:0;list-style:none}h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:-.02em;text-wrap:balance}h2{font-size:clamp(2rem,1.4rem + 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var(--accent);border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:600;text-decoration:none;cursor:pointer;transition:transform .15s ease,background .15s ease}.button:hover{transform:translateY(-1px)}.button:disabled{opacity:.6;cursor:progress;transform:none}.button.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.button.ghost:hover{border-color:var(--ink)}.button.small{min-height:40px;padding:0 16px;font-size:.92rem}.button.full{width:100%}.header{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{max-width:var(--max);margin:0 auto;padding:12px var(--gutter);display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font:700 1.35rem/1 var(--display);letter-spacing:-.03em}.brand svg{width:30px;height:30px}#navigation{display:flex;align-items:center;gap:24px;margin-left:auto;font-size:.95rem}#navigation>a{text-decoration:none;color:var(--muted)}#navigation>a:hover{color:var(--ink)}.lang-switch{display:inline-flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px;font:500 .75rem/1 var(--mono)}.lang-switch>*{padding:6px 8px;border-radius:999px;text-decoration:none}.lang-switch [aria-current]{background:var(--ink);color:var(--paper)}.lang-switch a{color:var(--muted)}.menu{display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:50%;background:transparent;cursor:pointer;position:relative}.menu span{position:absolute;left:13px;right:13px;height:1.5px;background:var(--ink);transition:transform .2s ease}.menu span:first-child{top:17px}.menu span:last-child{top:25px}.menu[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}main>section{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}.section{padding-block:clamp(64px,9vw,120px);border-top:1px solid var(--line)}.section-head{display:grid;gap:16px;max-width:760px;margin-bottom:48px}.section-intro{color:var(--muted);font-size:1.08rem;max-width:62ch}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,72px);align-items:center;padding-block:clamp(48px,7vw,96px)}.hero-copy{display:grid;gap:24px;min-width:0}.hero h1{font-size:clamp(2.6rem,1.6rem + 4vw,4.6rem);letter-spacing:-.035em}.hero h1 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svg{width:28px;height:28px;color:var(--accent)}.tile-core{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font:700 1.05rem/1 var(--display);letter-spacing:-.02em;animation:none}.tile-core svg{color:var(--on-accent)}.tile-core:before{background:color-mix(in srgb,var(--on-accent) 25%,transparent);border-color:transparent}.tile-next{background:transparent;border:1.5px dashed var(--line);color:var(--muted);justify-content:center;text-align:center}.tile-next:before{display:none}.tile-2{box-shadow:inset 0 -4px 0 var(--marker)}.mosaic.paused .tile{animation-play-state:paused}@keyframes settle{0%{transform:translateY(18px) rotate(-2deg)}}@keyframes sway{50%{transform:translateY(-5px)}}@media(prefers-reduced-motion:reduce){.tile{animation:none}}.motion-toggle{position:absolute;right:0;bottom:-48px;width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--surface);cursor:pointer}.motion-toggle svg{width:14px;height:14px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linejoin:round}.motion-toggle .i-play,.motion-toggle[aria-pressed=true] .i-pause{display:none}.motion-toggle[aria-pressed=true] .i-play{display:inline}.problem{display:grid;gap:20px}.problem h2{max-width:820px}.contrast{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}.contrast-col{display:grid;align-content:start;gap:18px;padding:28px;border-radius:var(--radius);min-width:0}.contrast-col.before{border:1px dashed var(--line)}.contrast-col.before h3{color:var(--muted)}.contrast-col.after{background:var(--surface);border:1px solid var(--line)}.contrast-list{display:grid;gap:12px}.contrast-list li{position:relative;padding-left:26px}.contrast-list li:before{position:absolute;left:0;top:0;font-family:var(--mono);font-weight:500}.before .contrast-list li{color:var(--muted)}.before .contrast-list li:before{content:"×"}.after .contrast-list 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10%,var(--surface))}.fallback{display:grid;gap:12px}.fallback-summary{margin:0;padding:14px;max-height:260px;overflow:auto;white-space:pre-wrap;word-break:break-word;background:var(--paper);border:1px solid var(--line);border-radius:10px;font:400 .82rem/1.5 var(--mono);-webkit-user-select:all;user-select:all}.fallback-actions{display:flex;flex-wrap:wrap;gap:10px}.copy-status{font-size:.88rem;color:var(--muted)}.footer{border-top:1px solid var(--line)}.footer-inner{max-width:var(--max);margin:0 auto;padding:40px var(--gutter) calc(40px + env(safe-area-inset-bottom,0px));display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px 40px}.footer-brand{margin-bottom:4px}.email{-webkit-user-select:all;user-select:all;color:var(--ink)}@media(max-width:1040px){.module-grid,.ai-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.builder-layout{grid-template-columns:minmax(0,1fr)}.slip{position:static;max-width:520px}}@media(max-width:880px){.header-inner{gap:12px}.menu{display:block}#navigation{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 20px;background:var(--paper);border-bottom:1px solid var(--line)}#navigation.open{display:flex}#navigation>a{padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:1.05rem}.lang-switch{align-self:flex-start;margin-top:16px}.lang-switch>*{min-width:44px;min-height:44px;display:inline-grid;place-items:center}.header-cta{margin-left:auto}.menu{margin-left:0}.hero,.demo-layout,.contrast,.steps{grid-template-columns:minmax(0,1fr)}}@media(max-width:560px){body{font-size:16px}.header-cta{display:none}.menu{margin-left:auto}.module-grid,.ai-grid,.pick-grid,.field-row{grid-template-columns:minmax(0,1fr)}.mosaic{gap:8px}.tile{padding:10px;font-size:.7rem}.tile svg{width:22px;height:22px}.contrast-col{padding:20px}}