:root{--navy:#16244E;--navy2:#101A38;--bg:#F4F5F8;--surface:#FFFFFF;--border:#E6E8EE;--text:#0F1422;--muted:#66708A;--accent:#1D4FD7;--green:#1EA567}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Instrument Sans,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}.display{font-family:Space Grotesk,sans-serif;letter-spacing:-.02em}.container{max-width:1040px;margin:0 auto;padding:0 24px}header.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(244,245,248,.8);border-bottom:1px solid var(--border)}.nav-inner{justify-content:space-between;height:64px}.brand,.nav-inner{display:flex;align-items:center}.brand{gap:10px;text-decoration:none;color:var(--text)}.brand img{width:32px;height:32px;border-radius:9px}.brand b{font-family:Space Grotesk,sans-serif;font-weight:700;font-size:16px}.nav-links a{color:var(--muted);text-decoration:none;font-weight:500;font-size:14px;margin-left:22px}.nav-links a:hover{color:var(--text)}.hero{background:linear-gradient(160deg,var(--navy) 0,var(--navy2) 100%);color:#fff;padding:88px 0 96px;position:relative;overflow:hidden}.hero .eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:600;color:#9DB0E2;margin-bottom:18px}.hero .eyebrow,.hero h1{font-family:Space Grotesk,sans-serif}.hero h1{font-weight:700;font-size:clamp(34px,6vw,58px);line-height:1.05;letter-spacing:-.03em;margin-bottom:20px;max-width:760px}.hero p.lead{font-size:clamp(17px,2.4vw,21px);color:#C6D2F2;max-width:600px;margin-bottom:32px}.hero-icon{width:92px;height:92px;border-radius:22px;box-shadow:0 18px 40px rgba(0,0,0,.35);margin-bottom:28px}.badge{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:999px;padding:12px 20px;font-weight:600;font-size:15px}.badge svg{width:18px;height:18px}.langs{margin-top:28px;display:flex;gap:8px;flex-wrap:wrap}.langs span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#C6D2F2;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:500}section.block{padding:80px 0}section.block.alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.kicker{text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:600;color:var(--accent);margin-bottom:14px}.block h2,.kicker{font-family:Space Grotesk,sans-serif}.block h2{font-weight:700;font-size:clamp(26px,4vw,38px);letter-spacing:-.02em;margin-bottom:18px;max-width:640px}.block p.body{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:14px}.block p.body strong{color:var(--text)}.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:12px;gap:12px;margin-top:30px}.mod{background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:16px 18px}.mod .tag{font-family:Space Grotesk,sans-serif;font-weight:700;font-size:12px;letter-spacing:.08em;color:var(--muted)}.mod .name{font-weight:600;font-size:15px;margin-top:4px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px;margin-top:30px}.card{background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:26px}.card .dot{width:40px;height:40px;border-radius:12px;background:rgba(29,79,215,.1);display:flex;align-items:center;justify-content:center;margin-bottom:14px}.card h3{font-family:Space Grotesk,sans-serif;font-size:18px;margin-bottom:6px}.card p{color:var(--muted);font-size:15px}.cta{background:var(--navy);color:#fff;text-align:center;padding:80px 0}.cta h2{color:#fff;margin:0 auto 22px}.cta .badge{background:#1D4FD7;border-color:#1D4FD7}footer{background:var(--bg);padding:44px 0;border-top:1px solid var(--border)}.foot-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}footer a{color:var(--muted);text-decoration:none;margin-right:18px;font-size:14px}footer a:hover{color:var(--text)}.foot-note{color:#8A93A8;font-size:13px}.article{background:var(--surface);min-height:100vh}.article .container{padding-top:56px;padding-bottom:80px;max-width:760px}.article h1{font-family:Space Grotesk,sans-serif;font-size:34px;letter-spacing:-.02em;margin-bottom:8px}.article .updated{color:var(--muted);margin-bottom:28px}.article h2{font-family:Space Grotesk,sans-serif;font-size:20px;margin:28px 0 10px}.article li,.article p{color:#2c3447;font-size:16px;margin-bottom:10px}.article ul{padding-left:22px}.article a,.back{color:var(--accent)}.back{display:inline-block;margin-bottom:24px;text-decoration:none;font-weight:600}