:root{
  --accent:#111;
  --muted:#666;
  --border:#ddd;
}
*{box-sizing:border-box}
body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--accent);
}
.container{max-width:820px;margin:0 auto;padding:0 20px}
.site-header{border-bottom:1px solid #111;background:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:44px;height:44px;border-radius:50%;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.sitename{font-weight:700}
.main-nav a{margin-left:18px;color:var(--accent);text-decoration:none;font-size:0.95rem}

.hero{padding:64px 0 36px;text-align:center}
.hero h1{font-size:34px;margin:0 0 20px;font-weight:700}
.btn{display:inline-block;padding:12px 20px;border-radius:6px;text-decoration:none}
.btn-outline{border:1px solid #bbb;color:var(--accent);background:transparent}

.faq{padding:10px 0 80px}
.faq h3{font-size:1.125rem;margin-bottom:18px}
.faq-item{border-bottom:2px solid var(--border);padding:14px 0}
.question{width:100%;text-align:left;background:transparent;border:0;padding:8px 0;font-size:1rem;font-weight:700;cursor:pointer;position:relative}
.question::after{content:'▾';position:absolute;right:0;top:8px;font-size:18px;transition:transform .25s ease}
.question[aria-expanded="true"]::after{transform:rotate(0deg)}
.question[aria-expanded="false"]::after{transform:rotate(0deg)}
.answer{overflow:hidden;max-height:0;transition:max-height .25s ease;padding-top:6px;color:var(--muted)}
.answer p{margin:0}

.site-footer{border-top:1px solid var(--border);padding:18px 0;text-align:center;color:var(--muted)}

/* Responsive */
@media (min-width:900px){
  .hero h1{font-size:40px}
}