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60%),var(--bg);background-attachment:fixed;color:var(--text);font-family:var(--font);font-size:16px;line-height:1.55;display:flex;flex-direction:column}a{color:inherit}h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;line-height:1.15;margin:0 0 .4em}code{font-family:ui-monospace,Cascadia Code,Consolas,monospace;background:var(--surface-2);border:1px solid var(--border);padding:.08em .4em;border-radius:6px;font-size:.92em;white-space:nowrap}.topbar{position:sticky;top:0;z-index:20;backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);background:#0b0e17bd;border-bottom:1px solid var(--border)}.topbar:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(124,140,255,.55),rgba(63,208,201,.55),transparent);opacity:.6}.topbar-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:10px clamp(16px,4vw,40px)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}.brand img{display:block;filter:drop-shadow(0 4px 10px rgba(124,140,255,.35));transition:transform .4s cubic-bezier(.2,1.4,.4,1)}.brand:hover img{transform:rotate(-12deg) scale(1.06)}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-name{font-family:var(--display);font-size:1.22rem;font-weight:700;letter-spacing:-.02em;color:var(--text)}.brand-name b{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.brand-tag{font-size:.72rem;color:var(--faint);font-weight:500;letter-spacing:.01em}.nav{display:flex;align-items:center;gap:4px;margin-left:auto;min-width:0;overflow-x:auto;scrollbar-width:none;padding:4px;border-radius:999px;background:#ffffff0a;border:1px solid var(--border)}.nav a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.9rem;padding:7px 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rgba(124,140,255,.4);padding-bottom:1px}.footer-credit a:hover{border-bottom-color:var(--accent-2)}#como-funciona{scroll-margin-top:80px}.page{max-width:1240px;margin:0 auto;padding:32px clamp(16px,4vw,40px)}.page.narrow{max-width:640px}.card{background:linear-gradient(180deg,#ffffff0f,#ffffff06);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.section-title{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font:600 .95rem var(--font);padding:10px 18px;border-radius:12px;cursor:pointer;text-decoration:none;transition:transform .15s,background .15s,border-color .15s,box-shadow .15s}.btn:hover{background:var(--surface-2)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:linear-gradient(135deg,var(--accent),#5a6cf0 55%,var(--accent-2) 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h1{font-size:clamp(2.2rem,5.2vw,3.8rem);font-weight:700}.hero h1 em{font-style:normal;background:linear-gradient(90deg,#ffd500,#ff6a13 40%,#d0192d 70%);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{color:var(--muted);font-size:1.12rem;max-width:36em}.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-cube{height:min(60vh,520px);min-height:320px;position:relative}.hero-cube:before{content:"";position:absolute;top:15%;right:15%;bottom:15%;left:15%;background:radial-gradient(circle,rgba(124,140,255,.28),transparent 65%);filter:blur(30px)}.how{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.how-card{padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border)}.how-card b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));font-family:var(--display);margin-bottom:12px}.how-card 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p{color:var(--muted);margin:0;max-width:60em}.back{display:inline-block;color:var(--muted);text-decoration:none;font-size:.9rem;margin-bottom:10px}.back:hover{color:var(--text)}.ws-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(340px,1fr);gap:18px;align-items:start}.ws-view{position:relative;height:min(72vh,640px);min-height:380px;overflow:hidden}.view-host,.puzzle-view{position:absolute;top:0;right:0;bottom:0;left:0}.puzzle-view canvas{width:100%!important;height:100%!important;display:block;touch-action:none}.view-hint{position:absolute;left:50%;bottom:14px;transform:translate(-50%);font-size:.8rem;color:var(--muted);background:#0b0e17b3;border:1px solid var(--border);padding:5px 12px;border-radius:999px;white-space:nowrap;pointer-events:none}.view-reset{position:absolute;top:12px;right:12px}.ws-panel{padding:18px}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#00000040;border:1px solid var(--border);padding:5px;border-radius:14px;margin-bottom:16px}.tabs button{border:0;background:transparent;color:var(--muted);font:600 .95rem var(--font);padding:10px;border-radius:10px;cursor:pointer}.tabs button.active{background:var(--surface-2);color:var(--text);box-shadow:inset 0 0 0 1px var(--border-strong)}.palette{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}.swatch{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:500 .88rem var(--font);cursor:pointer;text-align:left}.swatch i{width:22px;height:22px;border-radius:6px;flex:none;box-shadow:inset 0 0 0 1px #00000040}.swatch span{flex:1;text-transform:capitalize}.swatch small{color:var(--faint);font-variant-numeric:tabular-nums}.swatch small.full{color:var(--ok)}.swatch small.over{color:var(--danger);font-weight:700}.swatch.sel{border-color:var(--accent);background:#7c8cff24;box-shadow:0 0 0 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#7c8cffcc}.speed{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:.85rem}.speed input{accent-color:var(--accent);width:160px}.speed span{font-variant-numeric:tabular-nums;min-width:3ch}.notation{border-top:1px solid var(--border);padding-top:10px;font-size:.9rem;color:var(--muted)}.notation summary{cursor:pointer;color:var(--text);font-weight:600}.notation ul{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;padding:0;list-style:none}.done-panel{text-align:center;padding:30px 10px;position:relative;overflow:hidden}.done-panel h2{font-size:1.9rem}.done-panel p{color:var(--muted)}.trophy{font-size:3.4rem;animation:pop .6s cubic-bezier(.2,1.6,.4,1)}@keyframes pop{0%{transform:scale(.2) rotate(-20deg);opacity:0}}.confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.confetti i{position:absolute;top:-10px;width:8px;height:12px;border-radius:2px;animation:fall 2.6s ease-in forwards}.confetti i:nth-child(6n+1){background:#ffd500}.confetti i:nth-child(6n+2){background:#ff6a13}.confetti i:nth-child(6n+3){background:#00a651}.confetti i:nth-child(6n+4){background:#f4f6f8}.confetti i:nth-child(6n+5){background:#d0192d}.confetti i:nth-child(6n){background:#0a5bd6}.confetti i:nth-child(4n+1){left:8%;animation-delay:.1s}.confetti i:nth-child(4n+2){left:34%;animation-delay:.4s}.confetti i:nth-child(4n+3){left:61%;animation-delay:.2s}.confetti i:nth-child(4n){left:87%;animation-delay:.6s}.confetti i:nth-child(3n){margin-left:5%}.confetti i:nth-child(5n){margin-left:-4%;animation-duration:3.2s}@keyframes fall{to{transform:translateY(420px) rotate(540deg);opacity:0}}.loading-card{text-align:center;padding:40px 24px}.loading-card p{color:var(--muted);margin:0}.spinner{width:42px;height:42px;margin:0 auto 16px;border-radius:50%;border:4px solid var(--surface-2);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toasts{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:50;display:flex;flex-direction:column;gap:8px;align-items:center;width:max-content;max-width:calc(100vw - 32px)}.toast{background:#1b2133;border:1px solid var(--border-strong);color:var(--text);padding:10px 16px;border-radius:12px;box-shadow:var(--shadow);font-size:.92rem;animation:tin .25s ease-out;transition:opacity .3s,transform .3s}.toast.out{opacity:0;transform:translateY(8px)}@keyframes tin{0%{opacity:0;transform:translateY(8px)}}@media (max-width: 900px){.hero{grid-template-columns:1fr;min-height:auto;padding-top:20px}.hero-cube{height:340px;min-height:0;order:-1}.how{grid-template-columns:1fr}.ws-grid{grid-template-columns:minmax(0,1fr)}.ws-view{height:52vh;min-height:300px}.solve .ws-view{height:44vh;position:sticky;top:var(--topbar-h, 64px);z-index:5;border-radius:0 0 var(--radius) var(--radius);background:#0d111dc7;-webkit-backdrop-filter:blur(18px) saturate(1.3);backdrop-filter:blur(18px) saturate(1.3);border-color:var(--border-strong);box-shadow:0 18px 32px -14px #000000d9}}@media (max-width: 900px){.workspace.scanning{padding-top:10px}.workspace.scanning .ws-view,.workspace.scanning .ws-header{display:none}.workspace.scanning .ws-panel{padding:10px}.workspace.scanning .tabs{margin-bottom:10px}.workspace.scanning .scan-stage{width:min(100%,calc(100dvh - 320px))}}@media (max-width: 760px){.brand-tag,.nav-extra{display:none}.topbar-inner{gap:10px}}@media (max-width: 420px){.brand-text{display:none}}@media (max-width: 520px){.nav-cta{display:none}.nav a{padding:6px 11px;font-size:.85rem}.brand-name{font-size:1.1rem}.brand img{width:30px;height:30px}.footer-inner{flex-direction:column;align-items:flex-start}.page{padding:20px 16px}.palette{grid-template-columns:repeat(2,1fr)}.ctl{width:46px;height:46px}.controls{gap:5px}.ctl.main{width:58px}.move-badge strong{font-size:1.3rem;min-width:38px;height:38px}}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}