*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#070711;--surface:rgba(18,18,34,.76);--surface2:#10101d;--text:#f7f7fb;--muted:#a7a7ba;--line:rgba(255,255,255,.09);--purple:#8b6cff;--cyan:#24d9df;--pink:#ff4ecd;--green:#54e6b0}
body{background:var(--bg);color:var(--text);font-family:Inter,sans-serif;line-height:1.6;overflow-x:hidden}
body.light{--bg:#f4f4f8;--surface:rgba(255,255,255,.78);--surface2:#fff;--text:#171722;--muted:#626276;--line:rgba(20,20,35,.1)}
html{scroll-behavior:smooth}a{color:inherit;text-decoration:none}button,input{font:inherit}
.shell{width:min(1180px,90%);margin:auto}
.topbar{position:sticky;top:0;z-index:100;height:70px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(7,7,17,.7);backdrop-filter:blur(20px)}
body.light .topbar{background:rgba(244,244,248,.7)}
.brand{display:flex;align-items:center;gap:10px;font:600 15px "Space Grotesk"}.brand b{font-weight:800}
.brand-icon{width:36px;height:36px;border:1px solid var(--line);border-radius:11px;display:grid;place-items:center;color:#bcb1ff;background:linear-gradient(135deg,#8b6cff25,#24d9df12)}
nav{display:flex;gap:28px;color:var(--muted);font-size:13px}nav a:hover{color:var(--text)}
.icon-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);cursor:pointer}
.hero{min-height:calc(100vh - 70px);display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center;padding:85px 0}
.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:800;color:#aaa0ff;text-transform:uppercase}
.hero h1{font:800 clamp(50px,7vw,90px)/.96 "Space Grotesk";letter-spacing:-4px;margin:16px 0 24px}.grad{background:linear-gradient(90deg,var(--pink),var(--purple),var(--cyan),var(--pink));background-size:300% 100%;background-clip:text;-webkit-background-clip:text;color:transparent;animation:moveGrad 6s ease infinite}
@keyframes moveGrad{0%,100%{background-position:0}50%{background-position:100%}}
.hero-copy{max-width:650px;color:var(--muted);font-size:18px;line-height:1.8}.actions{display:flex;gap:12px;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:14px;border:1px solid var(--line);font-size:13px;font-weight:700;transition:.25s;cursor:pointer}.btn:hover{transform:translateY(-2px)}.primary{background:linear-gradient(135deg,#8b6cff,#6652dc);box-shadow:0 15px 40px #735bf033}.secondary{background:var(--surface)}
.hero-points{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:11px}.hero-points span:first-child{color:var(--green)}
.hero-code{border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,#18182a,#090911);box-shadow:0 30px 90px #0008;overflow:hidden;transform:rotateY(-4deg) rotateX(2deg)}
.browser-bar{height:46px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 15px;color:var(--muted);font-size:11px}.browser-bar i{width:8px;height:8px;border-radius:50%;background:#444455}.browser-bar span{margin-left:8px}
.hero-code pre{padding:24px;overflow:auto;font:12px/1.8 ui-monospace,monospace;color:#bfc0d2}.sel{color:#ff78d9}.prop{color:#74e4e9}.val{color:#d4b0ff}
.live-label{margin:0 24px 8px;color:#77778d;font-size:9px;letter-spacing:1.5px}.hero-demo{margin:0 24px 24px;padding:24px;border-radius:17px;background:radial-gradient(circle at 20% 20%,#ff4ecd28,transparent 35%),radial-gradient(circle at 80% 80%,#24d9df22,transparent 35%),#0d0d18;font:700 32px/1.05 "Sora"}.hero-demo span{color:#8b6cff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line);padding:28px 0}.stats div{padding:0 25px;border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats b{display:block;font:700 27px "Space Grotesk"}.stats span{font-size:11px;color:var(--muted)}
.curriculum,.playground{padding-top:120px}.section-head{max-width:800px;margin-bottom:42px}.section-head h2,.cta h2{font:700 clamp(36px,5vw,60px)/1.05 "Space Grotesk";letter-spacing:-2.5px;margin:12px 0 15px}.section-head p,.cta p{color:var(--muted);font-size:15px}
.course-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}.topic-list{position:sticky;top:90px;padding:14px;border:1px solid var(--line);border-radius:20px;background:var(--surface);backdrop-filter:blur(18px)}.topic-title{font-size:10px;color:var(--muted);letter-spacing:1.4px;font-weight:800;padding:8px 10px 12px}
.topic{width:100%;display:block;text-align:left;background:transparent;border:0;color:var(--muted);padding:10px;border-radius:10px;font-size:12px;cursor:pointer}.topic:hover,.topic.active{color:var(--text);background:#8b6cff12}.topic.active{box-shadow:inset 2px 0 var(--purple)}
.lesson{border:1px solid var(--line);border-radius:24px;background:var(--surface);padding:28px;backdrop-filter:blur(18px)}.lesson-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:28px}.lesson-top h3{font:700 34px "Space Grotesk";letter-spacing:-1px}.lesson-top p{color:var(--muted);font-size:14px;margin-top:5px}.pill{font-size:9px;color:#aaa0ff;border:1px solid var(--line);border-radius:99px;padding:7px 9px;height:max-content;white-space:nowrap}
.lesson-block{padding:22px 0;border-top:1px solid var(--line)}.lesson-block:first-child{border-top:0;padding-top:0}.lesson-block h4{font:700 20px "Space Grotesk";margin-bottom:7px}.lesson-block>p{color:var(--muted);font-size:14px;margin-bottom:14px}.rule{display:grid;grid-template-columns:1fr 1fr;gap:14px}.code,.why{border:1px solid var(--line);border-radius:14px;overflow:hidden}.box-title{padding:9px 12px;border-bottom:1px solid var(--line);font-size:9px;letter-spacing:1.2px;color:#858599;font-weight:800}.code pre{padding:14px;overflow:auto;background:#090911;color:#c7c8d8;font:11px/1.7 ui-monospace,monospace}.why{padding-bottom:14px}.why p{padding:14px 14px 0;color:var(--muted);font-size:12px}.example{margin-top:14px;border:1px dashed #ffffff16;border-radius:15px;padding:18px;background:#0e0e19;overflow:hidden}.example-caption{font-size:9px;letter-spacing:1.2px;color:#77778c;margin-bottom:12px;font-weight:800}
.font-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.font-card{padding:16px;border:1px solid var(--line);border-radius:12px;background:#121221}.font-card small{color:#77778c;font:10px Inter}.font-card div{font-size:25px;margin-top:4px}.f-space{font-family:"Space Grotesk";font-weight:700}.f-poppins{font-family:Poppins;font-weight:700}.f-sora{font-family:Sora;font-weight:700}.f-manrope{font-family:Manrope;font-weight:700}
.weight-row,.line-row,.spacing-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.weight-card,.line-card,.spacing-card{padding:14px;border-radius:11px;background:#121221;border:1px solid var(--line)}.weight-card b{display:block;font-size:22px}.line-card div{font-size:13px}.spacing-card div{background:#8b6cff22;border:1px solid #8b6cff44;padding:8px}
.gradient-example{font:800 42px/1 "Space Grotesk";background:linear-gradient(90deg,#ff4ecd,#8b6cff,#24d9df);background-clip:text;-webkit-background-clip:text;color:transparent;background-size:250%;animation:moveGrad 4s infinite}
.padding-demo{display:flex;gap:12px;flex-wrap:wrap}.padding-demo span{background:#8b6cff22;border:1px solid #8b6cff66;border-radius:10px}.p8{padding:8px}.p20{padding:20px}.p40{padding:40px}
.image-example{display:grid;grid-template-columns:1fr 1fr;gap:12px}.image-card{height:180px;border-radius:15px;overflow:hidden;position:relative;background:url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1000&q=80") center/cover}.image-card.zoom{transition:.5s}.image-card.zoom:hover{transform:scale(1.03)}.image-card.overlay:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,#000c,transparent 65%)}.image-card span{position:absolute;bottom:13px;left:13px;z-index:1;font-weight:700;font-size:12px}
.card-example{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mini-card{padding:20px;border:1px solid var(--line);border-radius:17px;background:#121221;transition:.3s}.mini-card:hover{transform:translateY(-6px);box-shadow:0 18px 35px #0006}.mini-card strong{font:700 16px "Space Grotesk"}.mini-card p{font-size:11px;color:var(--muted);margin-top:5px}
.bg-example{height:170px;border-radius:15px;background:radial-gradient(circle at 20% 20%,#ff4ecd55,transparent 32%),radial-gradient(circle at 80% 75%,#24d9df44,transparent 30%),#111121;animation:bgMove 7s ease-in-out infinite alternate}@keyframes bgMove{to{background-position:25% 10%,75% 85%,0 0}}
.button-example{display:flex;gap:10px;flex-wrap:wrap}.demo-button{border:0;padding:11px 15px;border-radius:12px;background:linear-gradient(135deg,#8b6cff,#6652dc);color:white;font-weight:700;cursor:pointer;transition:.25s}.demo-button:hover{transform:translateY(-3px);box-shadow:0 12px 28px #8b6cff55}
.layout-example{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.layout-example span{padding:25px 10px;border-radius:11px;text-align:center;background:#121221;border:1px solid var(--line);font-size:11px}
.form-example{display:grid;gap:8px}.form-example input{background:#0b0b13;border:1px solid var(--line);color:var(--text);padding:11px;border-radius:11px;outline:0}.form-example input:focus{border-color:#8b6cff;box-shadow:0 0 0 3px #8b6cff18}
.anim-box{height:90px;display:grid;place-items:center}.pulse{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#8b6cff,#24d9df);animation:pulse 1.7s ease-in-out infinite}@keyframes pulse{50%{transform:scale(1.25);opacity:.65}}
.lab{display:grid;grid-template-columns:290px 1fr;gap:20px}.controls,.lab-stage{border:1px solid var(--line);border-radius:22px;background:var(--surface);padding:22px}.controls{display:grid;gap:20px}.controls label{font-size:12px;color:var(--muted)}.controls output{float:right;color:var(--text);font-weight:700}.controls input{display:block;width:100%;margin-top:9px;accent-color:#8b6cff}.lab-stage{min-height:420px;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#8b6cff18,transparent 35%),var(--surface2)}.live-card{width:min(500px,90%);padding:28px;border-radius:24px;border:1px solid #ffffff12;background:linear-gradient(135deg,#18182a,#0c0c15);box-shadow:0 25px 70px #0006;transition:.2s}.live-card h3{font:700 34px/1.2 "Space Grotesk";margin:10px 0}.live-card p{font-size:13px;color:var(--muted);margin-bottom:20px}
.cta{margin-top:120px;margin-bottom:100px;padding:45px;border:1px solid var(--line);border-radius:28px;background:radial-gradient(circle at 85% 20%,#8b6cff25,transparent 35%),var(--surface);display:flex;align-items:end;justify-content:space-between;gap:30px}.cta p{max-width:650px}
footer{border-top:1px solid var(--line);padding:25px 0;color:var(--muted);font-size:11px}.foot{display:flex;justify-content:space-between}
.ambient{position:fixed;z-index:-3;border-radius:50%;filter:blur(110px);opacity:.13;pointer-events:none}.ambient-a{width:450px;height:450px;background:#8b6cff;top:-180px;right:-120px}.ambient-b{width:380px;height:380px;background:#ff4ecd;left:-180px;top:50%}.ambient-c{width:300px;height:300px;background:#24d9df;right:20%;bottom:-200px}.grid-bg{position:fixed;inset:0;z-index:-2;opacity:.035;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:42px 42px;pointer-events:none}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-code{transform:none}.course-layout{grid-template-columns:1fr}.topic-list{position:relative;top:auto;display:flex;overflow:auto;gap:4px}.topic-title{display:none}.topic{min-width:max-content}.lab{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr;gap:18px}.stats div{border:0;padding:0 8px}.rule{grid-template-columns:1fr}}
@media(max-width:600px){nav{display:none}.hero{padding:65px 0}.hero h1{letter-spacing:-2.5px}.hero-copy{font-size:16px}.actions{flex-direction:column}.stats{grid-template-columns:1fr 1fr}.lesson{padding:19px}.font-showcase,.image-example,.card-example{grid-template-columns:1fr}.weight-row,.line-row,.spacing-row{grid-template-columns:1fr 1fr}.layout-example{grid-template-columns:1fr}.cta{padding:28px;flex-direction:column;align-items:flex-start}.foot{flex-direction:column;gap:5px}}