:root{--bg: #08080c;--bg-elev: #0f0f17;--bg-card: #121220;--line: rgba(255, 255, 255, .08);--line-strong: rgba(255, 255, 255, .16);--ink: #f4f2ee;--ink-dim: #b6b4c4;--ink-faint: #7a7890;--violet: #8b6dff;--violet-deep: #5b3df0;--cyan: #35e6d6;--amber: #ffb547;--accent-grad: linear-gradient(120deg, #8b6dff 0%, #6d8bff 45%, #35e6d6 100%);--accent-glow: 0 0 0 1px rgba(139, 109, 255, .4), 0 12px 40px -12px rgba(109, 61, 240, .55);--shadow-card: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 18px 50px -24px rgba(0, 0, 0, .9), 0 4px 14px -8px rgba(0, 0, 0, .6);--shadow-float: 0 30px 80px -30px rgba(91, 61, 240, .5), 0 10px 30px -12px rgba(0, 0, 0, .7);--font-display: "Instrument Serif", Georgia, serif;--font-ui: "Space Grotesk", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--maxw: 1120px;--radius: 18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(60% 50% at 15% -5%,rgba(109,61,240,.22),transparent 60%),radial-gradient(50% 45% at 100% 0%,rgba(53,230,214,.12),transparent 55%),radial-gradient(60% 60% at 50% 120%,rgba(139,109,255,.1),transparent 60%);pointer-events:none}a{color:inherit;text-decoration:none}::selection{background:#8b6dff59;color:#fff}h1,h2,h3{font-weight:400;letter-spacing:-.02em;line-height:1.05;margin:0}.serif{font-family:var(--font-display)}.mono{font-family:var(--font-mono)}.grad-text{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}.container{width:min(100% - 40px,var(--maxw));margin-inline:auto}section{position:relative;padding:clamp(64px,9vw,120px) 0}.eyebrow{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--violet);display:inline-flex;align-items:center;gap:8px}.eyebrow:before{content:"";width:22px;height:1px;background:currentColor;opacity:.6}.btn{font-family:var(--font-ui);font-weight:600;font-size:15px;border:0;border-radius:999px;padding:13px 24px;cursor:pointer;display:inline-flex;align-items:center;gap:9px;transition:transform .18s ease,box-shadow .25s ease,background .2s ease}.btn-primary{color:#0a0713;background:var(--accent-grad);box-shadow:var(--shadow-float)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 40px 90px -30px #5b3df0b3}.btn-ghost{color:var(--ink);background:#ffffff0a;border:1px solid var(--line-strong)}.btn-ghost:hover{background:#ffffff14;transform:translateY(-1px)}.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);background:#08080c99;border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:-.01em;font-size:18px}.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--accent-grad);box-shadow:var(--accent-glow);display:grid;place-items:center}.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-dim)}.nav-links a:hover{color:var(--ink)}@media (max-width: 860px){.nav-links{display:none}}.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding-top:40px;overflow:hidden}#hero-canvas{position:absolute;inset:0;z-index:-1}.hero-inner{max-width:780px}.hero h1{font-family:var(--font-display);font-size:clamp(46px,8vw,96px);line-height:.98}.hero h1 em{font-style:italic}.hero-sub{margin-top:26px;font-size:clamp(17px,2.2vw,20px);color:var(--ink-dim);max-width:560px}.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}.hero-stats{margin-top:54px;display:flex;gap:40px;flex-wrap:wrap}.hero-stat .n{font-family:var(--font-display);font-size:34px;line-height:1}.hero-stat .l{font-size:13px;color:var(--ink-faint);margin-top:4px}.card{background:linear-gradient(180deg,var(--bg-card),var(--bg-elev));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card)}.section-head{max-width:640px;margin-bottom:48px}.section-head h2{font-family:var(--font-display);font-size:clamp(32px,5vw,52px);margin-top:16px}.section-head p{color:var(--ink-dim);margin-top:16px;font-size:17px}.skills-track{display:flex;gap:14px;flex-wrap:wrap}.skill-chip{border:1px solid var(--line);background:#ffffff05;border-radius:12px;padding:11px 16px;font-size:14px;color:var(--ink-dim);display:inline-flex;gap:9px;align-items:center;transition:border-color .2s,color .2s,transform .2s}.skill-chip:hover{color:var(--ink);border-color:var(--line-strong);transform:translateY(-2px)}.skill-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-grad)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{padding:28px}.step .num{font-family:var(--font-mono);font-size:13px;color:var(--violet);letter-spacing:.1em}.step h3{font-size:22px;margin:14px 0 10px;letter-spacing:-.01em;font-family:var(--font-ui);font-weight:600}.step p{color:var(--ink-dim);font-size:15px;margin:0}@media (max-width: 820px){.steps{grid-template-columns:1fr}}.courses{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.course{padding:30px;display:flex;flex-direction:column;position:relative}.course.featured{border-color:#8b6dff80;box-shadow:var(--shadow-float)}.course .tier{font-family:var(--font-mono);font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-faint)}.course .price{font-family:var(--font-display);font-size:42px;margin:14px 0 4px}.course ul{list-style:none;padding:0;margin:20px 0 24px;display:flex;flex-direction:column;gap:11px;font-size:14.5px;color:var(--ink-dim)}.course li{display:flex;gap:10px;align-items:flex-start}.course li svg{flex:none;margin-top:3px;color:var(--cyan)}.badge{position:absolute;top:-11px;right:22px;font-size:11px;font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px;color:#0a0713;background:var(--accent-grad)}@media (max-width: 900px){.courses{grid-template-columns:1fr}}.faq-item{border-bottom:1px solid var(--line);padding:4px 0}.faq-q{width:100%;background:none;border:0;color:var(--ink);font-family:var(--font-ui);font-size:18px;text-align:left;padding:22px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px}.faq-q .plus{color:var(--violet);transition:transform .25s ease;flex:none}.faq-a{color:var(--ink-dim);font-size:15.5px;padding:0 0 22px;max-width:720px}.footer{border-top:1px solid var(--line);padding:60px 0 48px;color:var(--ink-faint);font-size:14px}.footer-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:40px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}.reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}code{font-family:var(--font-mono);font-size:.86em;background:#8b6dff24;color:#cdbcff;padding:1px 6px;border-radius:6px}.step-icon{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:13px;color:var(--violet);background:#8b6dff1f;border:1px solid rgba(139,109,255,.25);margin-bottom:14px}.lab{display:grid;grid-template-columns:258px minmax(0,1fr);gap:20px;align-items:start}.lab-nav{padding:20px;position:sticky;top:82px}.xp-head{margin-bottom:18px}.xp-row{display:flex;justify-content:space-between;font-size:11.5px;letter-spacing:.12em;margin-bottom:9px}.xp-bar{height:6px;border-radius:999px;background:#ffffff12;overflow:hidden}.xp-bar span{display:block;height:100%;border-radius:999px;background:var(--accent-grad);transition:width .6s cubic-bezier(.2,.7,.2,1)}.lab-unit{margin-top:16px}.lab-unit-label{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 8px 4px}.lab-item{width:100%;display:flex;align-items:center;gap:11px;background:none;border:1px solid transparent;border-radius:11px;padding:10px 11px;cursor:pointer;color:var(--ink-dim);font-family:var(--font-ui);font-size:14.5px;text-align:left;transition:background .15s,border-color .15s,color .15s}.lab-item:hover:not(.locked){background:#ffffff0a;color:var(--ink)}.lab-item.active{background:#8b6dff1f;border-color:#8b6dff59;color:var(--ink)}.lab-item.locked{opacity:.42;cursor:not-allowed}.li-mark{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);color:var(--ink-faint);flex:none}.li-mark.done{background:var(--accent-grad);border-color:transparent;color:#0a0713}.li-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.li-title{flex:1}.li-xp{font-size:11px;color:var(--ink-faint)}.lab-cert-cta{margin-top:18px;display:flex;align-items:center;gap:8px;justify-content:center;padding:12px;border-radius:11px;font-size:13.5px;color:#0a0713;background:var(--accent-grad);font-weight:600}.lab-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);overflow:hidden}.lab-left{padding:30px 28px;border-right:1px solid var(--line);min-width:0}.lab-unit-tag{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--violet)}.lab-title{font-size:34px;margin:10px 0 6px}.lab-meta{font-size:11.5px;color:var(--ink-faint);letter-spacing:.08em;margin-bottom:20px}.lab-concept p{color:var(--ink-dim);font-size:15px;margin:0 0 14px}.lab-goal{margin-top:22px;border-radius:13px;border:1px solid rgba(255,181,71,.28);background:#ffb54712;padding:16px 18px}.lab-goal-label{display:flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.13em;color:var(--amber);margin-bottom:8px}.lab-goal p{margin:0;font-size:15px;color:var(--ink)}.lab-hints-toggle{margin-top:18px;background:none;border:0;color:var(--violet);font-family:var(--font-ui);font-size:14px;cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:3px}.lab-hints{margin:12px 0 0;padding-left:18px;color:var(--ink-dim);font-size:14px;display:flex;flex-direction:column;gap:8px}.lab-right{padding:22px 22px 26px;display:flex;flex-direction:column;gap:13px;min-width:0}.console-head{display:flex;align-items:center;justify-content:space-between}.console-label{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint)}.orb{width:56px;height:56px;margin:-10px -6px -14px 0}.user-turn{border-radius:11px;border:1px solid var(--line);background:#ffffff08;padding:12px 14px}.user-turn.adv{border-color:#ff5a5a59;background:#ff5a5a0f}.ut-label{font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint)}.user-turn.adv .ut-label{color:#ff8a8a}.user-turn p{margin:6px 0 0;font-size:14px;color:var(--ink)}.prompt-box{width:100%;resize:vertical;min-height:118px;background:#0a0a12;border:1px solid var(--line-strong);border-radius:12px;color:#e9e6ff;font-size:13.5px;line-height:1.6;padding:14px 15px;outline:none;transition:border-color .15s,box-shadow .15s}.prompt-box:focus{border-color:var(--violet);box-shadow:0 0 0 3px #8b6dff2e}.console-actions{display:flex;align-items:center;gap:14px}.console-actions .btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.demo-flag{font-size:11px;color:var(--amber)}.output{background:#07070d;border:1px solid var(--line);border-radius:12px;padding:14px 15px;max-height:260px;overflow-y:auto}.out-label{font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);display:block;margin-bottom:8px}.out-text{font-family:var(--font-mono);font-size:13px;line-height:1.7;color:#d9ead0;white-space:pre-wrap;word-break:break-word}.caret{display:inline-block;width:8px;height:15px;background:var(--cyan);margin-left:2px;vertical-align:text-bottom;animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}.verdict{border-radius:12px;padding:15px 16px;border:1px solid var(--line)}.verdict.grading{display:flex;align-items:center;gap:11px;color:var(--ink-dim);font-size:14px}.verdict.pass{border-color:#35e6d666;background:#35e6d614}.verdict.fail{border-color:#ff825a66;background:#ff825a12}.verdict-head{display:flex;align-items:center;gap:10px}.v-icon{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#06121a;flex:none}.verdict.pass .v-icon{background:var(--cyan)}.verdict.fail .v-icon{background:#ff8a5a}.v-title{font-weight:600;font-size:16px;flex:1}.v-score{font-size:13px;color:var(--ink-dim)}.v-feedback{margin:10px 0 0;font-size:14px;color:var(--ink-dim);line-height:1.6}.v-next{margin-top:14px;padding:10px 18px;font-size:14px}.spinner{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.2);border-top-color:var(--violet);animation:spin .8s linear infinite;flex:none}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 980px){.lab{grid-template-columns:1fr}.lab-nav{position:static}.lab-main{grid-template-columns:1fr}.lab-left{border-right:0;border-bottom:1px solid var(--line)}}.cert{position:relative;text-align:center;padding:54px 40px;overflow:hidden;border-color:#35e6d647}.cert-glow{position:absolute;inset:0;background:radial-gradient(50% 70% at 50% 0%,rgba(53,230,214,.16),transparent 70%);pointer-events:none}.cert-title{font-size:clamp(30px,5vw,46px);margin:14px 0}.cert-body{max-width:560px;margin:0 auto;color:var(--ink-dim);font-size:16px}.cert-meta{margin-top:34px;display:flex;justify-content:center;gap:48px;flex-wrap:wrap}.cm-label{font-size:10.5px;letter-spacing:.12em;color:var(--ink-faint)}.cm-value{font-size:20px;margin-top:5px}.cta-band{position:relative;text-align:center;padding:60px 40px;overflow:hidden}.cta-band-glow{position:absolute;inset:0;background:radial-gradient(60% 100% at 50% 120%,rgba(139,109,255,.22),transparent 65%);pointer-events:none}.cta-band h2{font-size:clamp(30px,5vw,50px)}.cta-band p{color:var(--ink-dim);margin:16px 0 26px;font-size:17px}.cta-band .btn{position:relative}