*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#030a14;--bg2:#061220;--bg3:#0a1a2e;--cyan:#00f0ff;--purple:#a855f7;--pink:#ec4899;--text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;--border:rgba(255,255,255,0.06)}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}
.nav{position:fixed;top:0;width:100%;z-index:50;background:rgba(3,10,20,0.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1100px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:20px;font-weight:700;background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo span{-webkit-text-fill-color:var(--text3);font-size:14px;font-weight:400;margin-left:6px}
.nav-links{display:flex;gap:24px;align-items:center;font-size:14px}
.nav-links a{color:var(--text3)}
.nav-links a:hover{color:white;text-decoration:none}
.btn{display:inline-block;padding:10px 24px;border-radius:10px;background:linear-gradient(135deg,#06b6d4,#8b5cf6);color:white;font-weight:600;font-size:14px;text-decoration:none!important;transition:opacity 0.2s}
.btn:hover{opacity:0.9}
.btn-sm{padding:8px 18px;font-size:13px}
main{max-width:800px;margin:0 auto;padding:100px 24px 40px}
.article-wide{max-width:1000px}
.badge{display:inline-block;font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--cyan);font-weight:600;margin-bottom:12px}
h1{font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.15;margin-bottom:20px;color:white}
h2{font-size:24px;font-weight:700;color:white;margin:40px 0 16px;padding-top:20px;border-top:1px solid var(--border)}
h3{font-size:18px;font-weight:600;color:white;margin:28px 0 10px}
.subtitle{font-size:18px;color:var(--text2);margin-bottom:36px;line-height:1.6}
p{margin-bottom:16px;color:var(--text2)}
.meta{display:flex;gap:12px;font-size:13px;color:var(--text3);margin-bottom:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
@media(max-width:640px){.grid2{grid-template-columns:1fr}}
.card{padding:20px;border-radius:12px;background:var(--bg2);border:1px solid var(--border)}
.card h3{margin-top:0;font-size:16px}
.card p{font-size:14px;color:var(--text3);margin-bottom:0}
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
th{text-align:left;padding:12px 16px;color:var(--text3);border-bottom:1px solid var(--border);font-weight:500}
td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text2)}
td:first-child{color:white;font-weight:500}
.highlight{color:var(--cyan);font-weight:500}
.example-box{padding:20px;border-radius:12px;background:var(--bg3);border:1px solid var(--border);margin:16px 0;font-size:14px}
.example-box.good{border-color:rgba(0,240,255,0.3)}
.example-box .label{font-size:12px;color:var(--text3);margin-bottom:8px}
.example-box.good .label{color:var(--cyan)}
.example-box p{font-style:italic;color:var(--text2);margin:0}
.cta-box{text-align:center;padding:48px 32px;border-radius:16px;background:linear-gradient(180deg,var(--bg3),var(--bg2));border:1px solid var(--border);margin:48px 0}
.cta-box h2{border:none;padding:0;margin:0 0 8px;font-size:28px}
.cta-box p{color:var(--text3);margin-bottom:24px}
.cta-box .sub{font-size:12px;color:var(--text3);margin-top:12px}
footer{border-top:1px solid var(--border);margin-top:60px}
.footer-inner{max-width:1100px;margin:0 auto;padding:48px 24px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;font-size:13px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h4{color:white;font-weight:600;margin-bottom:12px;font-size:14px}
.footer-grid a{display:block;color:var(--text3);padding:3px 0}
.footer-grid a:hover{color:white;text-decoration:none}
.copyright{color:var(--text3);font-size:11px;margin-top:24px;opacity:0.6}
.internal-links{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.internal-links a{padding:6px 14px;border-radius:8px;background:var(--bg2);border:1px solid var(--border);font-size:13px;color:var(--text3)}
.internal-links a:hover{color:var(--cyan);border-color:rgba(0,240,255,0.3);text-decoration:none}