:root { --ink:#071a2f; --blue:#0c6cde; --lime:#c8ff69; --cloud:#f5f9fc; --line:#dbe8f0; --muted:#567288; --white:#fff; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--white); font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; font-synthesis:none; }
a { color:inherit; }
.shell { width:min(1160px,calc(100% - 3rem)); margin:0 auto; }
.site-header { position:absolute; top:0; z-index:3; width:100%; padding:1.15rem 0; color:var(--white); }
.nav { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.brand { display:inline-flex; flex-direction:column; align-items:flex-start; gap:.3rem; text-decoration:none; }
.brand-logo-wrap { display:flex; align-items:center; padding:.28rem .45rem; border-radius:.75rem; background:var(--white); box-shadow:0 10px 28px rgba(0,0,0,.17); }
.brand-logo { display:block; width:clamp(9rem,17vw,10.8rem); height:auto; }
.brand-tagline { color:rgba(255,255,255,.82); font-size:.62rem; font-weight:700; letter-spacing:.035em; white-space:nowrap; }
.nav-links { display:flex; align-items:center; gap:1.6rem; color:rgba(255,255,255,.78); font-size:.91rem; font-weight:650; }
.nav-links a { text-decoration:none; }.nav-links a:hover,.nav-links a:focus-visible { color:var(--white); }
.nav-actions { display:flex; align-items:center; gap:.65rem; }
.nav-login,.nav-cta { display:inline-flex; align-items:center; justify-content:center; min-height:2.6rem; padding:.55rem .82rem; border-radius:.7rem; font-size:.87rem; font-weight:760; text-decoration:none; }
.nav-login { border:1px solid rgba(255,255,255,.3); color:var(--white); }.nav-cta { padding:.55rem .9rem; color:var(--ink); background:var(--lime); font-weight:800; }
.hero { position:relative; overflow:hidden; padding:8.3rem 0 4.9rem; color:var(--white); background:radial-gradient(circle at 78% 22%,rgba(61,130,255,.36),transparent 25rem),radial-gradient(circle at 20% 78%,rgba(97,228,220,.11),transparent 24rem),var(--ink); }
.eyebrow { margin:0 0 .75rem; color:var(--lime); font-size:.76rem; font-weight:900; letter-spacing:.12em; }
h1 { max-width:16ch; margin:0; font-size:clamp(2.5rem,6vw,4.8rem); line-height:.98; letter-spacing:-.065em; }
.lede { max-width:43rem; margin:1.2rem 0 0; color:rgba(255,255,255,.78); font-size:1.08rem; line-height:1.65; }
.content { display:grid; grid-template-columns:minmax(0,1fr) 260px; gap:5rem; padding:4rem 0 5rem; }
.content article { max-width:720px; }
h2 { margin:2.4rem 0 .7rem; font-size:1.3rem; letter-spacing:-.035em; }
h2:first-child { margin-top:0; }
h3 { margin:1.4rem 0 .45rem; font-size:1rem; }
p, li { color:#385972; font-size:.96rem; line-height:1.65; }
ul { padding-left:1.2rem; }
.notice { margin:1.75rem 0; padding:1.15rem 1.25rem; border:1px solid #b9d9f4; border-radius:14px; color:#315a7c; background:#f1f9ff; font-size:.9rem; line-height:1.55; }
.side { align-self:start; position:sticky; top:1rem; padding:1.25rem; border:1px solid var(--line); border-radius:16px; background:var(--cloud); }
.side strong { display:block; font-size:.95rem; }
.side p { margin:.55rem 0 1rem; font-size:.83rem; line-height:1.5; }
.button { display:inline-block; padding:.75rem 1rem; border-radius:9px; color:var(--ink); background:var(--lime); font-size:.84rem; font-weight:900; text-decoration:none; }
footer { padding:2.3rem 0 2.2rem; border-top:1px solid var(--line); }
.footer-top { display:flex; align-items:flex-start; justify-content:space-between; gap:2rem; }.footer-row { display:flex; justify-content:space-between; gap:1rem; margin-top:2rem; padding-top:1.15rem; border-top:1px solid var(--line); color:#647d90; font-size:.75rem; }.footer-brand { color:var(--ink); font-weight:700; }.footer-copy { max-width:28rem; margin:.55rem 0 0; color:#647d90; font-size:.78rem; line-height:1.45; }.footer-links { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:.65rem 1.25rem; max-width:32rem; }.footer-links a { color:var(--ink); font-size:.78rem; font-weight:650; text-decoration:none; }.footer-links a:hover { color:var(--blue); }
@media (max-width:760px) { .content { grid-template-columns:1fr; gap:2rem; padding-top:2.8rem; } .side { position:static; } .nav-links { display:none; } .nav { gap:.6rem; } .nav-login { display:none; } .hero { padding-top:7.4rem; } .footer-top,.footer-row { align-items:flex-start; flex-direction:column; } .footer-links { justify-content:flex-start; } }