/* Minimalist styling with clear structure */
:root{
  --bg:#ffffff; --text:#0f172a; --muted:#475569; --accent:#2563EB; --accent-2:#84CC16;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;color:var(--text);background:var(--bg);}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo .mark{width:28px;height:28px;border-radius:8px;background:var(--accent);display:inline-block}
.nav a{margin-left:16px;font-weight:600}
.hero{padding:64px 0;display:grid;grid-template-columns:1.2fr 0.8fr;gap:32px;align-items:center}
.hero h1{font-size:40px;line-height:1.1;margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 24px}
.buttons{display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:14px 18px;border-radius:12px;border:2px solid transparent;font-weight:700;cursor:pointer}
.btn.primary{background:var(--accent);color:white}
.btn.secondary{background:transparent;border-color:var(--text)}
.section{padding:48px 0;border-top:1px solid #e5e7eb}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid #e5e7eb;border-radius:16px;padding:18px}
.card h3{margin:0 0 8px}
.list{columns:3;gap:24px}
.list li{break-inside:avoid;margin:6px 0}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.badge{border:1px dashed #e5e7eb;border-radius:12px;padding:12px;text-align:center;color:var(--muted);font-weight:600}
.faq details{border:1px solid #e5e7eb;border-radius:12px;padding:12px;margin:8px 0}
.footer{padding:40px 0;color:var(--muted);font-size:14px}
.form-wrap{border:1px solid #e5e7eb;border-radius:16px;padding:16px;background:#fafafa}
.notice{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:12px;margin-top:12px;color:#0f172a}
.code-hint{font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background:#0f172a; color:#e5e7eb; padding:8px 10px; border-radius:8px; display:inline-block}
@media (max-width: 900px){
  .hero{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .badges{grid-template-columns:1fr 1fr}
  .list{columns:1}
}