/* Minimal site styles for StackTurtle */
:root{
  --bg:#ffffff;
  --text:#111827;
  --accent:#2563eb;
  --muted:#6b7280;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.5}
.container{max-width:1000px;margin:0 auto;padding:1rem}
.site-header{border-bottom:1px solid #e6e9ef;background:#fff}
.header-inner{display:flex;align-items:center;gap:1rem;padding:.75rem 0}
.brand{font-weight:700;color:var(--accent);text-decoration:none;font-size:1.125rem}
.nav{margin-left:auto;display:flex;gap:1rem}
.nav a{color:var(--muted);text-decoration:none}
.nav a:hover{color:var(--text)}
.nav-toggle{display:none;background:transparent;border:1px solid #e6e9ef;padding:.35rem .5rem;border-radius:6px}
.hero{padding:3.5rem 0;text-align:center;background:linear-gradient(180deg,#fff, #f8fafc)}
.hero .lead{color:var(--muted);max-width:40ch;margin:0.5rem auto 1rem}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:.5rem .9rem;border-radius:8px;text-decoration:none}
.features{padding:2rem 0}
.site-footer{border-top:1px solid #e6e9ef;padding:1rem 0;margin-top:2rem;color:var(--muted)}

@media (max-width:700px){
  .nav{display:none;position:absolute;right:1rem;top:60px;background:#fff;padding:1rem;border:1px solid #eee;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.06)}
  .nav-toggle{display:inline-block}
  .nav.open{display:flex;flex-direction:column;gap:.5rem}
}