@font-face{font-family:Manrope;src:url('manrope-400.ttf');font-weight:400;font-display:swap}@font-face{font-family:Manrope;src:url('manrope-500.ttf');font-weight:500;font-display:swap}@font-face{font-family:Manrope;src:url('manrope-600.ttf');font-weight:600;font-display:swap}@font-face{font-family:Manrope;src:url('manrope-700.ttf');font-weight:700;font-display:swap}@font-face{font-family:Manrope;src:url('manrope-800.ttf');font-weight:800;font-display:swap}@font-face{font-family:Mono;src:url('mono-500.ttf');font-weight:500;font-display:swap}
:root{--lime:#9500ff;--bg:#080908;--card:#111;--text:#fff;--muted:#9aa4af;--border:rgba(255,255,255,.08);color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;background:var(--bg);color:var(--text);font-family:Manrope,Arial,sans-serif;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:5px}button:disabled{cursor:default}button{border:0}h1,h2,h3,p{margin:0}h2,h3{line-height:1.25}p{color:var(--muted)}.skip{position:fixed;top:-60px;left:16px;background:var(--lime);color:#000;padding:10px;z-index:100}.skip:focus{top:5px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.site-header{height:50px;background:#050505;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:20px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;white-space:nowrap}.brand i,.eyebrow i{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block;box-shadow:0 0 10px #9500ff80}nav{display:flex;gap:28px;align-items:center;font-size:14px}nav a{color:#c3c6cd;transition:color .15s}nav a:hover,nav a.active{color:var(--lime)}.settings{background:none;padding:5px}.menu-toggle{display:none;background:none;font-size:24px}.wrap{max-width:1280px;margin:0 auto}.grid-bg{background-image:linear-gradient(#9500ff09 1px,transparent 1px),linear-gradient(90deg,#9500ff09 1px,transparent 1px);background-size:56px 56px}.hero{position:relative;overflow:hidden;padding:72px 32px 44px}.hero-glow{position:absolute;top:-160px;left:18%;width:720px;height:520px;background:radial-gradient(ellipse at 50% 40%,#9500ff29,transparent 62%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #9500ff40;border-radius:999px;padding:5px 13px;font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--lime);margin-bottom:24px}.eyebrow i{width:6px;height:6px;box-shadow:none}h1{font-size:clamp(32px,4.4vw,58px);font-weight:800;line-height:1.05;letter-spacing:-.03em}h1 span{color:var(--lime)}.hero-copy>p{font-size:17px;line-height:1.6;margin-top:20px;max-width:54ch}.brief{background:linear-gradient(135deg,#9500ff0c,#111);border:1px solid #9500ff40;border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:14px;min-width:0;scroll-margin-top:76px}.brief-top{display:flex;align-items:center;gap:10px;justify-content:space-between;flex-wrap:wrap}.label{color:var(--lime);font-size:10.5px;font-weight:800;letter-spacing:.15em;line-height:1.5}.brief-top>div{display:flex;gap:12px;align-items:center}.brief-top a{font-size:12px;font-weight:700;color:#9aa4af}.pill{border:1px solid #ffffff1c;background:#ffffff0a;padding:6px 13px;border-radius:99px;font-size:10px;font-weight:800;letter-spacing:.08em;color:#c5cbd3}.brief h2{font-size:19px;font-weight:800;line-height:1.25}.brief>p{font-size:13.5px;line-height:1.6}.listen{display:flex;align-items:center;gap:14px}.play{width:52px;height:52px;border-radius:50%;background:var(--lime);color:#10150a;font-size:22px;flex-shrink:0;display:grid;place-items:center}.listen strong{display:block;font-size:13px;margin-top:4px}.listen .label{font-family:Mono,monospace}input[type=range]{accent-color:var(--lime);width:100%;height:5px;margin:6px 0 0;cursor:pointer}.transport{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#64748b;margin-top:-4px}.transport>div{display:flex;gap:8px}.transport button{position:relative;background:transparent;border:1px solid #ffffff24;border-radius:50%;height:34px;width:34px;color:#94a3b8;font-size:22px;line-height:1}.transport small{position:absolute;font-size:9px;left:50%;top:52%;transform:translate(-50%,-30%)}.transport b{color:#b9d3fa}.transport #speed{width:46px;border-radius:99px;font-size:11px;font-weight:800}.chapters{display:flex;gap:7px;flex-wrap:wrap}.chapters button{border-radius:99px;border:1px solid #ffffff14;background:#ffffff06;color:#cbd5e1;padding:5px 11px;font-size:11px}.chapters time{color:#64748b}.chapters button:hover,.pill:hover{border-color:#9500ff70}.receipt-strip{position:relative;display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;font-size:12.5px;color:#8b959f;font-weight:700}.receipt-strip span:first-child{color:var(--lime);font-family:Mono,monospace;font-size:12px}.receipt-strip span+span:before{content:'·';margin-right:14px;color:#333}.section{max-width:1280px;margin:0 auto;padding:56px 32px 20px}.section>h2{font-size:30px;letter-spacing:-.02em;margin-top:10px;font-weight:800}.section-intro{font-size:15px;max-width:62ch;margin-top:16px;line-height:1.6}.loop{display:grid;grid-template-columns:1fr 26px 1fr 26px 1fr;gap:14px;margin-top:26px;align-items:stretch}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;display:block;transition:transform .18s,border-color .18s,background .18s;min-width:0}.card:hover{transform:translateY(-3px);border-color:#9500ff50}.card h3{font-size:16.5px;letter-spacing:-.01em;font-weight:800}.loop .card{display:flex;flex-direction:column;min-height:168px}.loop h3{font-size:15px;margin-top:10px}.loop p{font-size:12px;line-height:1.55;margin-top:8px}.muted{color:#7c899b}.meta{font-size:10px;color:#64748b;margin-top:auto;padding-top:16px}.concept{background:#0b0c0b}.lesson{border-color:#9500ff4d}.card-link{font-size:13.5px;font-weight:700;color:var(--lime)}.loop .card-link{font-size:11px;margin-top:auto;padding-top:12px}.arrow{color:var(--lime);display:grid;place-items:center;font-size:26px}.catch-section{padding-top:32px;padding-bottom:0}.catch{background:linear-gradient(110deg,#9500ff10,#12140d);border:1px solid #9500ff26;border-radius:16px;padding:26px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.catch h2{font-size:26px;letter-spacing:-.02em;margin:9px 0}.catch p{font-size:13px;color:#8b959f}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:13px 26px;font-size:15px;font-weight:700;line-height:1.6;transition:filter .15s,transform .15s}.button:hover{filter:brightness(1.08);transform:translateY(-1px)}.lime{background:var(--lime);color:#0a0a0a}.catch .button{font-size:13px;padding:11px 20px;border-radius:9px}.center{text-align:center;margin:0 auto 32px}.center h2{font-size:34px;letter-spacing:-.02em;margin-top:10px;font-weight:800}.three-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.pillar{padding:26px;border-radius:18px}.pillar-head{display:flex;align-items:center;gap:13px;margin-bottom:14px}.pillar-head h3{font-size:20px}.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}.icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.tag{margin-left:auto;font-size:10px;font-weight:700;padding:4px 9px;border-radius:99px;white-space:nowrap}.blue{--accent:#38bdf8;--tint:#38bdf824}.purple{--accent:#c084fc;--tint:#c084fc24}.green{--accent:#9500ff;--tint:#9500ff1f}.pillar .icon,.pillar .tag{color:var(--accent);background:var(--tint)}.pillar .card-link{color:var(--accent)}.pillar p{font-size:14.5px;line-height:1.55;margin-bottom:14px}.receipts .three-grid{margin-top:26px;gap:16px}.receipts .card{background:#0d0d0d;padding:22px}.receipts p{font-size:13.5px;line-height:1.6;color:#8b959f;margin-top:9px}.cta-section{padding-bottom:64px}.cta{position:relative;border:1px solid #9500ff33;border-radius:22px;text-align:center;padding:56px 40px;background-color:#080908;isolation:isolate;overflow:hidden}.cta:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,#9500ff1f,transparent 60%);z-index:-1}.cta h2{font-size:36px;letter-spacing:-.02em;font-weight:800}.cta p{font-size:16px;margin:12px auto 26px;max-width:56ch}.cta-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.secondary{background:#1a1a1a;border:1px solid #333;color:#fff}footer{border-top:1px solid var(--border);background:#0a0a0a}.footer-wrap{max-width:1280px;margin:auto;padding:56px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-brand{font-size:28px;font-weight:800;letter-spacing:.06em}.footer-grid p{font-size:12px;line-height:1.6;max-width:62ch;margin-top:8px}.footer-note{font-size:10px;color:#56606a}.footer-grid h3{font-size:13px;margin-bottom:14px}.footer-grid>div:not(:first-child) a{display:block;font-size:12px;color:#8b959f;margin-bottom:8px}.footer-grid a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:center;gap:24px;border-top:1px solid var(--border);padding-top:22px;margin-top:44px;font-size:10px;color:#626b76}dialog{background:#11130f;color:#fff;border:1px solid #9500ff4d;border-radius:18px;width:min(620px,calc(100% - 32px));max-height:85dvh;padding:26px;box-shadow:0 30px 100px #0009}dialog::backdrop{background:#000b;backdrop-filter:blur(5px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.dialog-head button{background:transparent;font-size:28px;color:var(--muted)}dialog h2{font-size:26px;margin-bottom:16px}dialog p{margin:12px 0}dialog .demo-label{font-family:Mono,monospace;font-size:11px;color:var(--lime)}dialog input:not([type=checkbox]),dialog textarea{width:100%;padding:12px;border:1px solid #ffffff26;border-radius:8px;background:#090b08;color:#fff;margin:8px 0 16px}dialog label{display:block}dialog .item{padding:14px 0;border-bottom:1px solid var(--border)}dialog .item h3{font-size:17px}dialog .choice{display:block;width:100%;text-align:left;border:1px solid #ffffff26;border-radius:8px;background:#1a1c16;padding:12px;margin:10px 0}dialog .correct{border-color:var(--lime);background:#9500ff15}dialog .incorrect{border-color:#fb7185}dialog .result{color:var(--lime)}
@media(min-width:1440px){.footer-wrap{padding-left:0;padding-right:0}}@media(max-width:1344px){.footer-wrap{padding-left:32px;padding-right:32px}}@media(max-width:1100px){nav{gap:16px}.tag{font-size:9px;padding:3px 6px}.pillar{padding:20px}.pillar-head{gap:9px}.icon{width:36px;height:36px}.pillar-head h3{font-size:18px}}@media(max-width:1040px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero-copy{max-width:760px}.brief{max-width:760px}.loop{grid-template-columns:1fr}.arrow{transform:rotate(90deg);height:22px}.loop .card{min-height:140px}.three-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}h1{font-size:58px}nav{gap:13px;font-size:12px}}@media(max-width:800px){.menu-toggle{display:block}.site-header{padding:0 20px}nav{display:none;position:absolute;top:50px;left:0;right:0;flex-direction:column;align-items:stretch;background:#0d0e0b;padding:18px 24px;border-bottom:1px solid #9500ff40;gap:0;font-size:15px;max-height:calc(100dvh - 50px);overflow:auto}nav.open{display:flex}nav a{padding:9px 0}.settings{align-self:flex-start}.catch{grid-template-columns:1fr;gap:20px}.catch .button{justify-self:start}.footer-grid{grid-template-columns:1fr;gap:28px}.section{padding-left:20px;padding-right:20px}.hero{padding-left:20px;padding-right:20px}.footer-wrap{padding-left:20px;padding-right:20px}.desktop{display:none}}@media(max-width:560px){.hero{padding:40px 16px 36px}.section{padding-left:16px;padding-right:16px}h1{font-size:clamp(36px,9vw,52px)}.hero-copy>p{font-size:16px}.eyebrow{font-size:10px;padding:5px 10px}.brief{padding:18px;gap:14px}.brief-top{gap:12px}.brief-top>div{width:100%;justify-content:space-between}.receipt-strip{gap:8px;margin-top:28px}.receipt-strip span{font-size:11px}.receipt-strip span+span:before{margin-right:8px}.section>h2{font-size:27px}.center h2{font-size:28px}.three-grid{grid-template-columns:1fr}.catch{padding:22px}.catch h2{font-size:24px}.cta{padding:40px 20px}.cta h2{font-size:clamp(26px,7vw,36px)}.cta p{font-size:14px}.button{font-size:14px;padding:12px 20px}.footer-brand{font-size:25px}.transport{font-size:11px}.chapters button{font-size:10px}.footer-bottom{flex-wrap:wrap;gap:12px}.section{padding-top:44px}.catch-section{padding-top:28px}.cta-section{padding-bottom:44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}body.reduce-motion *{scroll-behavior:auto!important;transition:none!important}
[hidden]{display:none!important}
/* AI Unipedia revision: retain the template geometry and dark base;
   use violet for action surfaces and card accents. */
:root{--violet:#9500ff;--violet-text:#c89bff}
.lime,.play{background:var(--violet);color:#fff}.lime:hover,.play:hover{box-shadow:0 0 20px #9500ff40}
.brief{border-color:#9500ff66;background:linear-gradient(135deg,#9500ff12,#111)}
.card:hover{border-color:#9500ff99;box-shadow:0 0 20px #9500ff1a}
.lesson{border-color:#9500ff66}.card-link,.arrow{color:var(--violet-text)}
.blue,.purple,.green{--accent:var(--violet-text);--tint:#9500ff24}
.pill:hover,.chapters button:hover,.chapters button[aria-pressed=true]{border-color:#9500ff99}
.chapters button[aria-pressed=true]{background:#9500ff24;color:#eadbff}
.catch{background:linear-gradient(110deg,#9500ff10,#121015);border-color:#9500ff40}
.cta{border-color:#9500ff55}.cta:before{background:radial-gradient(circle at 50% 0%,#9500ff20,transparent 60%)}
.secondary:hover{border-color:#9500ff99}.icon,.card-link{transition:color .15s}
.prof-rule{height:5px;background:linear-gradient(90deg,#9500ff 0%,#9500ff99 30%,#ffffff18 30%);border-radius:99px;margin-top:6px}
.prof-example{min-height:56px}.prof-example p{font-size:13px;line-height:1.6;margin-top:5px}
.brief>.chapters{margin-top:0}.brief .label{color:var(--violet-text)}.prof-example .label{color:#8792a2}
.dialog-head .label{color:var(--violet-text)}dialog{border-color:#9500ff66}dialog .button{margin-top:12px}dialog h3{margin-top:16px}

/* Larger, clearer footer text; original columns, gaps, padding, and order retained. */
.footer-grid p{font-size:15px;line-height:1.7;color:#aeb7c2}
.footer-grid h3{font-size:16px}
.footer-grid>div:not(:first-child) a{font-size:15px;color:#aeb7c2}
.footer-grid>div:not(:first-child) a:hover{color:var(--violet-text)}
.footer-note{font-size:14px;line-height:1.65;color:#9aa4af}
.footer-bottom{font-size:13px;color:#9aa4af}
.skip{color:#fff}

.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.product-card{display:flex;flex-direction:column;gap:16px;min-width:0}.product-card p{flex:1}.product-card h3{overflow-wrap:anywhere}.products-section .label{color:var(--violet-text,#bc7bff)}@media(max-width:650px){.product-grid{grid-template-columns:1fr}}