:root{
  --primary: #2563eb;
  --accent:  #0ea5e9;
  --ink:     #0b1220;
  --paper:   #f7f9fc;
  --text:    #1d283a;
  --muted:   #6b7280;
  --radius:  14px;
  --shadow:  0 10px 30px rgba(2,6,23,.1);
  --container: 1120px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper);color:var(--text);font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0}
.brand{font-family:'Source Serif 4', serif; font-size:22px; letter-spacing:.2px}
.links{display:flex;gap:16px;list-style:none;margin:0;padding:0;align-items:center}
.links a{padding:8px 10px;border-radius:8px}
.links a:hover{background:#eef2ff}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:10px 16px;border-radius:999px;font-weight:700;letter-spacing:.02em;box-shadow:var(--shadow)}
.btn.secondary{background:var(--accent);color:#0b1220}
.link{text-decoration:underline;text-underline-offset:3px}
.grid{display:grid;gap:22px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid #e6e9f2;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.section{padding:64px 0}
.hero{padding:90px 0 60px;background:linear-gradient(180deg,#ffffff, #f3f6fb)}
.hero h1{font-family:'Source Serif 4', serif; font-size:48px; line-height:1.1; margin:10px 0}
.hero .lead{max-width:62ch; font-size:18px; color:var(--muted)}
.badge{display:inline-flex;gap:8px;align-items:center;background:#dbeafe;color:#1e3a8a;padding:6px 10px;border-radius:999px;font-weight:800;font-size:12px}
h2{font-family:'Source Serif 4', serif; font-size:34px; line-height:1.15; margin:0 0 8px}
h3{font-size:18px;margin:0 0 6px}
ul.bullets{padding-left:18px}
.rule{height:1px;background:#e6e9f2;margin:24px 0}
footer{margin-top:40px}
footer .legal{opacity:.8;text-align:center;border-top:1px solid #e6e9f2;padding-top:16px;margin-top:16px}
/* forms */
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #d6d9e3;border-radius:10px;background:#fff;color:var(--text)}
label{display:block;margin:8px 0 6px;font-weight:600}
/* responsive nav */
#nav-toggle{display:none}
.hamburger{display:none;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}
@media(max-width:900px){
  .grid.two{grid-template-columns:1fr}
  .grid.three{grid-template-columns:1fr 1fr}
  .links{position:absolute;right:24px;top:64px;background:#fff;border:1px solid #e6e9f2;border-radius:12px;display:none;flex-direction:column;gap:10px;padding:12px}
  #nav-toggle:checked ~ .links{display:flex}
  .hamburger{display:block}
}