:root{
  --accent:#2f5bea;--accent-2:#1aa0d8;
  --ink:#0f172a;--ink-2:#475569;--line:#e2e8f0;--bg:#fff;--bg-2:#f6f8fc;
  --radius:18px;--shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:750}
h3{font-size:1.2rem;font-weight:650}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.muted{color:var(--ink-2)}
.center{text-align:center;margin-top:48px}

.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;letter-spacing:.08em;color:var(--ink);text-decoration:none}

.btn{display:inline-flex;align-items:center;gap:.5em;padding:.85em 1.6em;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 35%,transparent)}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 45%,transparent)}
.btn--sm{padding:.55em 1.1em;font-size:.92rem}
.btn--light{background:#fff;color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.18)}

.hero,.join{position:relative;color:#fff;background:linear-gradient(135deg,rgba(23,37,120,.88),rgba(26,160,216,.72)),var(--bg) center/cover no-repeat}
.hero{min-height:min(88vh,760px);display:flex;align-items:center;text-align:center}
.hero__in{max-width:860px}
.hero .lead{font-size:clamp(1.05rem,2vw,1.3rem);opacity:.9;margin-bottom:2em}

.section{padding:clamp(64px,10vw,120px) 0}
.section:nth-of-type(even){background:var(--bg-2)}
.head{max-width:760px;margin:0 auto 56px;text-align:center}
.head p{color:var(--ink-2);font-size:1.08rem}

.grid3{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(15,23,42,.05),0 18px 40px rgba(15,23,42,.1)}
.card__icon{width:56px;height:56px;padding:10px;border-radius:14px;background:color-mix(in srgb,var(--accent) 10%,#fff);margin-bottom:20px}
.card ul{margin:0;padding:0;list-style:none}
.card li{position:relative;padding-left:20px;margin:.35em 0;color:var(--ink-2)}
.card li::before{content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2))}

.join{padding:clamp(80px,12vw,140px) 0;text-align:center}
.join__in{max-width:760px}
.join p{opacity:.92;font-size:1.08rem}
.join .btn{margin-top:1em}

.footer{background:var(--ink);color:#cbd5e1;padding:48px 0;font-size:.95rem}
.footer .brand{color:#fff}
.footer__in{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
.footer p{margin:0 0 .3em}.footer .muted{color:#94a3b8}