:root{--bg:#eef1f8;--bg2:#e4e9f4;--panel:#fff;--ink:#14161d;--dim:#5a6072;--gold:#3b46d6;--terra:#b3325a;--line:rgba(20,22,29,.12);--foil:linear-gradient(100deg,#2c39c8,#5566e8 26%,#27b7c7 48%,#6a5cf0 64%,#b3325a 88%,#2c39c8);--display:"Fraunces",Georgia,serif;--radius:18px;--ease:cubic-bezier(.2,.7,.2,1);--soft:cubic-bezier(.16,1,.3,1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:Hanken Grotesk,system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}h1,h2,h3{font-family:Fraunces,Georgia,serif;font-optical-sizing:auto;font-weight:500;letter-spacing:-.015em;line-height:1.05}a{color:inherit;text-decoration:none}::selection{background:var(--gold);color:#fff}.wrap{max-width:1080px;margin:0 auto;padding:0 28px}.narrow{max-width:760px}.label{font-family:Hanken 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5%,var(--bg));display:flex;align-items:center}.demo-track-label{position:absolute;left:14px;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);font-weight:600}.demo-dot{position:absolute;left:4px;width:18px;height:18px;border-radius:50%;background:var(--gold);box-shadow:0 2px 8px -2px color-mix(in srgb,var(--gold) 70%,transparent)}.demo-anim-linear{animation:demoSlide 1.4s linear forwards}.demo-anim-premium{animation:demoSlide 1.4s cubic-bezier(.22,1,.36,1) forwards}@keyframes demoSlide{0%{left:4px}to{left:calc(100% - 22px)}}.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px}.demo-card{height:62px;border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--gold) 22%,var(--panel)),color-mix(in srgb,var(--gold) 8%,var(--panel)));border:1px solid var(--line);opacity:0}.demo-stagger-in{animation:demoFadeUp .5s cubic-bezier(.22,1,.36,1) forwards}@keyframes demoFadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.demo-hovgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));grid-gap:12px;gap:12px}.demo-hov{height:84px;border-radius:12px;border:1px solid var(--line);background:var(--bg);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.92rem;color:var(--ink);cursor:pointer;overflow:hidden;position:relative;transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,border-color .3s}.demo-hov-lift:hover{transform:translateY(-5px);box-shadow:0 18px 30px -16px rgba(28,24,19,.5)}.demo-hov-scale:hover{transform:scale(1.04)}.demo-hov-glow:hover{border-color:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 30%,transparent)}.demo-hov-underline span{position:relative;padding-bottom:3px}.demo-hov-underline span:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.22,1,.36,1)}.demo-hov-underline:hover span:after{transform:scaleX(1)}.demo-hov-rotate span{transition:transform .3s cubic-bezier(.22,1,.36,1)}.demo-hov-rotate:hover span{transform:translateX(6px)}.demo-magfield{min-height:120px}.demo-btn-mag{font-family:Hanken Grotesk;font-weight:600;font-size:1rem;padding:15px 30px;border-radius:999px;border:none;background:var(--gold);color:#fbf7ef;cursor:pointer;transition:transform .35s cubic-bezier(.22,1,.36,1);box-shadow:0 12px 30px -12px color-mix(in srgb,var(--gold) 60%,transparent)}.demo-cursorfield{position:relative;min-height:150px;border-radius:12px;background:color-mix(in srgb,var(--ink) 4%,var(--bg));display:flex;align-items:center;justify-content:center;cursor:none;overflow:hidden}.demo-cursor-hint{font-size:.9rem;color:var(--dim);pointer-events:none}.demo-cursor-dot{width:9px;height:9px;background:var(--gold);z-index:2}.demo-cursor-dot,.demo-cursor-ring{position:absolute;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}.demo-cursor-ring{width:34px;height:34px;border:1.5px solid color-mix(in srgb,var(--gold) 70%,transparent);transition:left .18s cubic-bezier(.22,1,.36,1),top .18s cubic-bezier(.22,1,.36,1)}.demo-headline{font-family:Fraunces,Georgia,serif;font-size:1.9rem;line-height:1.2;color:var(--ink);margin:0}.demo-word{display:inline-block;opacity:0;animation:demoFadeUp .5s cubic-bezier(.22,1,.36,1) forwards}.demo-flow{width:100%;max-width:380px;height:auto}@media (prefers-reduced-motion:reduce){.demo-anim-linear,.demo-anim-premium,.demo-stagger-in,.demo-word{animation:none!important;opacity:1!important;transform:none!important;left:auto!important}}.lesson-nav{margin-top:54px;padding-top:26px;border-top:1px solid var(--line);display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap}.lesson-nav-link{flex:1 1;min-width:200px;display:flex;flex-direction:column;gap:4px;padding:16px 20px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:border-color .25s,transform .25s,box-shadow .25s}.lesson-nav-link:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 16px 34px -20px color-mix(in srgb,var(--gold) 60%,transparent)}.lesson-nav-link.next{text-align:right;align-items:flex-end}.lesson-nav-dir{font-family:Hanken Grotesk;font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}.lesson-nav-title{font-family:Fraunces,Georgia,serif;font-size:1.08rem;color:var(--ink);line-height:1.25}.deck{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;outline:none;display:flex;flex-direction:column;background:linear-gradient(160deg,var(--panel),var(--bg2));box-shadow:0 30px 70px -48px rgba(20,22,40,.5)}.deck:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 35%,transparent)}.deck-top{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--line)}.deck-kicker{font-family:Hanken Grotesk;font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.deck-count{font-family:JetBrains Mono,monospace;font-size:.78rem;color:var(--dim);flex:none;margin-left:12px}.deck-stage{flex:1 1;min-height:0;overflow:auto;display:flex;flex-direction:column;justify-content:center;padding:clamp(20px,4vw,48px) clamp(22px,5vw,64px)}.deck-eyebrow{font-family:Hanken Grotesk;font-weight:700;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}.deck-content{margin:auto;width:100%;max-width:70ch}.deck-cover{text-align:center;margin:auto;max-width:54ch}.deck-title{font-family:Fraunces,Georgia,serif;font-size:clamp(1.7rem,3.6vw,3rem);line-height:1.06;margin:14px 0 0;color:var(--ink)}.deck-summary{color:var(--dim);font-size:clamp(1rem,1.6vw,1.25rem);max-width:46ch;margin:16px auto 0}.deck-h{font-family:Fraunces,Georgia,serif;font-size:clamp(1.4rem,3vw,2.3rem);line-height:1.1;margin:0 0 18px;color:var(--ink)}.deck-h:after{content:"";display:block;width:56px;height:3px;border-radius:2px;background:var(--gold);opacity:.85;margin-top:14px}.deck-p{font-size:clamp(1.05rem,1.7vw,1.4rem);line-height:1.55;color:var(--ink);margin:0 0 14px}.deck-ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin:8px 0}.deck-ul li{position:relative;padding-left:26px;font-size:clamp(1.02rem,1.6vw,1.3rem);line-height:1.45;color:var(--ink)}.deck-ul li:before{content:"";position:absolute;left:3px;top:.55em;width:9px;height:9px;border-radius:2px;background:var(--gold);transform:rotate(45deg)}.deck strong{font-weight:700}.deck code{font-family:JetBrains Mono,monospace;font-size:.85em;background:color-mix(in srgb,var(--gold) 12%,var(--panel));color:var(--gold);padding:.08em .38em;border-radius:6px}.deck-rule{margin:auto;max-width:60ch;text-align:center;padding:26px 28px;border-radius:16px;border:1px solid color-mix(in srgb,var(--gold) 40%,var(--line));border-left:3px solid var(--gold);background:color-mix(in srgb,var(--gold) 8%,var(--panel))}.deck-rule-label{display:block;font-family:Hanken Grotesk;font-weight:700;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}.deck-rule p{font-family:Fraunces,Georgia,serif;font-style:italic;font-size:clamp(1.3rem,2.4vw,2rem);line-height:1.35;color:var(--ink)}.deck-prompt{margin:auto 0;width:100%;border-radius:14px;background:#14161d;border:1px solid var(--line);overflow:hidden}.deck-prompt-label{display:block;font-family:Hanken Grotesk;font-weight:700;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#9aa3d6;padding:14px 18px 0}.deck-prompt pre{margin:0;padding:12px 18px 18px;font-family:JetBrains Mono,monospace;font-size:clamp(.85rem,1.3vw,1.05rem);line-height:1.6;color:#e7eaf6;white-space:pre-wrap;word-break:break-word}.deck-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;border-top:1px solid var(--line);background:color-mix(in srgb,var(--panel) 70%,transparent)}.deck-nav{flex:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font-size:1.1rem;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}.deck-nav:hover:not(:disabled){border-color:var(--gold);transform:translateY(-1px)}.deck-nav:disabled{opacity:.35;cursor:default}.deck-dots{flex:1 1;display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap}.deck-dot{width:8px;height:8px;border-radius:50%;border:none;background:color-mix(in srgb,var(--ink) 22%,transparent);cursor:pointer;padding:0;transition:background .2s,transform .2s}.deck-dot:hover{background:color-mix(in srgb,var(--gold) 60%,transparent)}.deck-dot.on{background:var(--gold);transform:scale(1.35)}.deck-fs{flex:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--dim);font-size:1rem;cursor:pointer;transition:border-color .2s,color .2s}.deck-fs:hover{border-color:var(--gold);color:var(--ink)}.deck:-webkit-full-screen{aspect-ratio:auto;width:100vw;height:100vh;border-radius:0;border:none;background:linear-gradient(160deg,var(--panel),var(--bg2))}.deck:fullscreen{aspect-ratio:auto;width:100vw;height:100vh;border-radius:0;border:none;background:linear-gradient(160deg,var(--panel),var(--bg2))}.deck:-webkit-full-screen .deck-stage{padding:clamp(40px,6vw,110px) clamp(50px,10vw,200px)}.deck:fullscreen .deck-stage{padding:clamp(40px,6vw,110px) clamp(50px,10vw,200px)}