:root{--bg:#f6f8fb;--surface:#fff;--text:#1c2733;--muted:#5d6b7a;--brand:#0b5cad;--brand2:#12a3b4;--line:#e3e8ef;--chip:#e8f1fb;--shadow:0 6px 24px rgba(15,40,70,.08)}
@media(prefers-color-scheme:dark){:root{--bg:#0e141b;--surface:#16202b;--text:#e8eef5;--muted:#9aa9b9;--brand:#5aa7f0;--brand2:#3cc7d6;--line:#25323f;--chip:#1d2d40;--shadow:0 6px 24px rgba(0,0,0,.4)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:var(--brand)}.wrap{max-width:1050px;margin:0 auto;padding:0 1.25rem}
.site-header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none}.brand span{color:var(--brand)}
.nav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0}
.nav a.link{display:block;padding:.45rem .9rem;border-radius:999px;color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem}
.nav a.link:hover,.nav a.active{color:var(--brand);background:var(--chip)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:.35rem .7rem;font-size:1.1rem}
@media(max-width:700px){.menu-btn{display:block}.nav ul{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);padding:.75rem 1.25rem;border-bottom:1px solid var(--line)}.nav ul.open{display:flex}}
.hero{padding:5rem 0 3.5rem}.eyebrow{color:var(--brand2);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.1;margin:.4rem 0 1rem}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:1.15rem;max-width:640px}
.btns{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.btn{display:inline-block;padding:.75rem 1.4rem;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid var(--brand)}
.btn.primary{background:var(--brand);color:#fff}.btn.primary:hover{filter:brightness(1.1)}.btn.ghost:hover{background:var(--chip)}
.page-title{padding:3.5rem 0 1rem}.page-title h1{font-size:clamp(2rem,4vw,2.8rem)}
section{padding:2rem 0}h2{font-size:1.5rem;margin:0 0 1.2rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.4rem;box-shadow:var(--shadow);transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--brand)}
.card h3{margin:.2rem 0 .5rem;font-size:1.1rem}.card p{margin:0;color:var(--muted);font-size:.95rem}
.icon{font-size:1.7rem}.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.9rem}
.chip{background:var(--chip);color:var(--brand);padding:.25rem .7rem;border-radius:999px;font-size:.82rem;font-weight:500}
.card ul{margin:.6rem 0 0;padding-left:1.1rem;color:var(--muted);font-size:.95rem}
.prose{max-width:720px}.prose p{color:var(--muted)}
.site-footer{margin-top:3rem;border-top:1px solid var(--line);padding:1.75rem 0;text-align:center;color:var(--muted);font-size:.9rem}