:root{--ink:#0f1630;--soft:#566078;--bg:#ffffff;--alt:#f4f6fb;--navy:#0d1433;--a:#4f7cff;--b:#22d3b0;--line:#e2e6f0}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:inherit}
:focus-visible{outline:2px solid var(--b);outline-offset:3px}
.wrap{max-width:68rem;margin:0 auto;padding:0 clamp(1rem,5vw,2rem)}
.narrow{max-width:46rem}
.bar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.6rem 1.5rem;padding:.9rem clamp(1rem,5vw,3rem);background:rgba(13,20,51,.94);backdrop-filter:blur(8px);color:#fff}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;text-decoration:none}
.mark{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--a),var(--b));font-size:.8rem;color:var(--navy)}
.bar nav{display:flex;gap:1.4rem;flex-wrap:wrap}
.bar nav a{text-decoration:none;font-size:.93rem;color:#c8d0ea}
.bar nav a:hover{color:#fff}
.hero{background:radial-gradient(circle at 80% 10%,rgba(79,124,255,.35),transparent 50%),radial-gradient(circle at 10% 90%,rgba(34,211,176,.22),transparent 45%),var(--navy);color:#fff;padding:6.5rem 0 6rem}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--b);margin-bottom:1.2rem}
.hero h1{font-size:clamp(2.2rem,5.5vw,3.8rem);line-height:1.1;font-weight:800;letter-spacing:-.025em;max-width:46rem;margin-bottom:1.3rem}
.lead{max-width:38rem;color:#c8d0ea;font-size:1.1rem;margin-bottom:2rem}
.actions{display:flex;gap:1rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.85rem 1.7rem;border-radius:10px;font-weight:700;text-decoration:none;background:linear-gradient(135deg,var(--a),var(--b));color:var(--navy);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.sec{padding:5rem 0}
.sec h2,.cta h2{font-size:clamp(1.6rem,3.5vw,2.3rem);font-weight:800;letter-spacing:-.015em;margin-bottom:.6rem}
.sub{color:var(--soft);margin-bottom:2.5rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.3rem}
article{padding:1.6rem;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
article h3{margin:.8rem 0 .4rem;font-size:1.1rem}
article p{color:var(--soft);font-size:.95rem}
.n{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--alt);color:var(--a);font-weight:800}
.dark{background:var(--navy);color:#fff}
.dark .sub{color:#aab3d1}
.steps{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem;counter-reset:s}
.steps li{counter-increment:s;border-top:2px solid var(--b);padding-top:1rem}
.steps li::before{content:"0" counter(s);font-weight:800;color:var(--b)}
.steps h3{margin:.3rem 0}
.steps p{color:#c8d0ea;font-size:.95rem}
#about{background:var(--alt)}
#about p{color:var(--soft);font-size:1.08rem}
.cta{text-align:center;padding:5rem 0;background:linear-gradient(135deg,var(--a),var(--b));color:var(--navy)}
.cta p{max-width:34rem;margin:0 auto 1.6rem}
.cta .btn{background:var(--navy);color:#fff}
footer{background:var(--navy);color:#c8d0ea;padding:3rem 0 1.5rem;font-size:.92rem}
.foot{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}
footer strong{color:#fff;display:block;margin-bottom:.3rem}
footer a{text-decoration:none}
footer a:hover{color:#fff}
.copy{text-align:center;margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.12)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.links{display:flex;gap:1.5rem;justify-content:center;margin-top:2rem}
.links a{color:#c8d0ea;text-decoration:underline;text-underline-offset:3px}
.links a:hover{color:#fff}
.copy{margin-top:1.2rem!important}
.doc{max-width:46rem;margin:0 auto;padding:3.5rem clamp(1rem,5vw,2rem) 4.5rem}
.doc h1{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin:1rem 0 .4rem}
.doc .upd{color:var(--soft);font-size:.9rem;margin-bottom:2rem}
.doc h2{font-size:1.2rem;margin:2rem 0 .5rem}
.doc p,.doc li{color:var(--soft)}
.doc ul{margin:.5rem 0 1rem 1.3rem}
.doc a{color:var(--a)}
.back{font-weight:700;text-decoration:none;font-size:.95rem}