:root{--bg:#0d0c16;--panel:#171526;--panel2:#0b0a12;--line:#37314d;--text:#f2efff;--muted:#aaa2c3;--purple:#b993ff;--mint:#6df0c2;--red:#ff748e;--amber:#ffc66d;--green:#7ee5a4;font-family:Inter,ui-sans-serif,system-ui,sans-serif;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 76% 0,#33205d 0,transparent 30rem),var(--bg);color:var(--text);line-height:1.6}a{color:inherit}button,textarea{font:inherit}button{cursor:pointer}header,main,footer{width:min(1120px,calc(100% - 32px));margin:auto}header{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #b993ff22}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:850}.brand span{display:grid;place-items:center;width:31px;height:31px;border:1px solid var(--purple);color:var(--purple);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}nav{display:flex;gap:25px}nav a,footer a{color:var(--muted);font-size:.86rem;text-decoration:none}.hero{padding:95px 0 58px;max-width:950px}.kicker{font-size:.72rem;letter-spacing:.18em;color:var(--mint);font-weight:850;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(3.2rem,7.4vw,6.5rem);line-height:.98;letter-spacing:-.06em;margin:18px 0 27px}h1 em{font-style:normal;color:var(--purple)}.hero>p:last-of-type{max-width:780px;color:#cac4dc;font-size:1.17rem}.chips{display:flex;gap:9px;flex-wrap:wrap}.chips span{border:1px solid var(--line);border-radius:99px;padding:5px 11px;color:var(--muted);font-size:.76rem}.tool{margin-bottom:100px;padding:27px;border:1px solid #51446f;background:#171526f5;border-radius:14px;box-shadow:0 25px 75px #04030899}.tool-head{display:flex;justify-content:space-between;align-items:center;gap:14px}.tool h2{font-size:2.35rem;margin:0 0 17px}.ghost{border:1px solid var(--line);background:transparent;color:var(--purple);padding:7px 10px;margin-left:5px;border-radius:6px}.editor{border:1px solid var(--line);background:var(--panel2);border-radius:7px;overflow:hidden}.bar{display:flex;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.74rem}.editor textarea{display:block;width:100%;min-height:440px;resize:vertical;border:0;outline:0;padding:18px;background:transparent;color:#e7dcff;font:13px/1.65 ui-monospace,SFMono-Regular,monospace}.primary{width:100%;margin-top:13px;border:0;border-radius:7px;padding:14px;background:linear-gradient(90deg,var(--purple),var(--mint));color:#130d22;font-weight:850}.primary kbd{margin-left:12px;border:1px solid #291d3d66;padding:2px 5px}.report{margin-top:13px;border:1px solid var(--line);padding:18px;background:#0d0b15;border-radius:7px}.report.empty{color:var(--muted)}.scores{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}.score{display:flex;align-items:center;gap:12px;padding:12px;background:var(--panel)}.score strong{font-size:2.2rem;color:var(--green)}.score.warn strong{color:var(--amber)}.score.bad strong{color:var(--red)}.score p{margin:0;color:var(--muted);font-size:.74rem}.issue{padding:13px 0;border-bottom:1px solid #302943}.issue b{display:inline-block;margin-right:7px;padding:2px 7px;border-radius:99px;font-size:.62rem}.error b{background:#ff748e22;color:#ff9aad}.warning b{background:#ffc66d22;color:var(--amber)}.pass b{background:#7ee5a422;color:var(--green)}.issue h4{display:inline}.issue p{margin:4px 0 0;color:var(--muted);font-size:.83rem}.grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-bottom:105px}.grid article{min-height:250px;padding:23px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.grid b{color:#756b91;font:12px ui-monospace}.grid h3{margin-top:45px}.grid p,.content p,.content li,.article p,.article li{color:var(--muted);font-size:.9rem}.content{max-width:900px;margin-bottom:90px}.content h2,.article h1{font-size:clamp(2.6rem,5vw,4.5rem);line-height:1.05;letter-spacing:-.045em}.split{display:grid;grid-template-columns:1fr 1fr;gap:14px}.split>div{padding:22px;border:1px solid var(--line);background:var(--panel)}.links{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-bottom:100px}.links a{display:flex;flex-direction:column;justify-content:space-between;min-height:130px;padding:20px;border:1px solid var(--line);text-decoration:none}.links span{color:var(--mint);font-size:.8rem}.article{max-width:850px;padding:80px 0 110px}.article .lede{font-size:1.18rem;color:#c8c1dc}.article article h2{margin-top:45px;font-size:2rem}pre{padding:17px;overflow:auto;border:1px solid var(--line);background:#090810;color:#d7c2ff}.callout{padding:15px 18px;border-left:3px solid var(--mint);background:var(--panel)}.cta{margin-top:42px;padding:24px;border:1px solid var(--mint)}.cta a{color:var(--mint);font-weight:800}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:35px 0 55px}footer div{display:flex;gap:18px}@media(max-width:780px){nav{display:none}.grid{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.links{grid-template-columns:1fr}.hero{padding-top:65px}}@media(max-width:520px){header,main,footer{width:calc(100% - 22px)}h1{font-size:3.1rem}.tool{padding:11px}.tool-head{align-items:flex-start;flex-direction:column;margin-bottom:12px}.scores,.grid{grid-template-columns:1fr}footer{flex-direction:column;gap:20px}}