:root{
  --bg: #0b0b0b;
  --panel: #121212;
  --text: #e6e6e6;
  --muted: #9a9a9a;
  --accent: #bdbdbd;
  --border: rgba(255,255,255,0.04);
  --maxw:1100px;
  --radius:12px;
  --glass: rgba(255,255,255,0.02);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.6;
}

/* container */
.container{
  max-width:var(--maxw);
  margin:48px auto;
  padding:28px;
}

/* panel look for subpages */
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.00));
  border-radius:var(--radius);
  padding:28px;
  border:1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
  animation: enter .6s ease both;
}

/* header / hero */
.site-header{
  text-align:center;
  padding:36px 20px;
}
.logo{height:64px; filter:grayscale(1) contrast(.95); display:block; margin:0 auto 8px}
.h1{font-size:30px; color:var(--accent); margin:8px 0}
.lead{color:var(--muted); max-width:780px; margin:0 auto 18px}

/* CTAs */
.cta-row{display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin-top:18px}
.btn{
  display:inline-block;
  padding:12px 20px;
  border-radius:10px;
  text-decoration:none;
  font-weight:600;
  letter-spacing:.3px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  border:1px solid rgba(255,255,255,0.04);
  color:#0b0b0b;
  background:linear-gradient(180deg,#d9d9d9,var(--accent));
}
.btn-ghost{
  background:transparent;
  color:var(--accent);
  border:1px solid rgba(255,255,255,0.04);
}
.small-links{display:flex; gap:12px; justify-content:center; margin-top:12px}
.small-links a{color:var(--muted); text-decoration:none}

/* universal link->button for subpages (transparent style requested) */
a.button {
  display:inline-block;
  padding:10px 18px;
  border-radius:10px;
  background:transparent;
  color:var(--accent);
  border:1px solid var(--border);
  text-decoration:none;
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}
a.button:hover{
  background: rgba(189,189,189,0.06);
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(0,0,0,0.6);
}

/* cards */
.cards{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; margin-top:26px}
.card{background:var(--panel); border-radius:12px; padding:18px; border:1px solid var(--border); transition: transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-8px); box-shadow:0 20px 40px rgba(0,0,0,0.6)}

/* text styles */
h1,h2,h3{color:var(--accent); margin:0 0 12px 0}
p{color:var(--muted); margin:0 0 12px 0}
ul{color:var(--muted)}

/* footer */
.site-footer{display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap; padding:20px 0 40px 0; border-top:1px solid var(--border); color:var(--muted)}
.site-footer a{color:var(--muted); text-decoration:none}

/* back-link style (use same button) */
.back-link{display:inline-block; margin-bottom:18px; text-decoration:none; color:var(--accent); border:1px solid var(--border); padding:8px 12px; border-radius:10px; background:transparent}
.back-link:hover{background:rgba(189,189,189,0.04); transform:translateY(-3px)}

/* responsive */
@media (max-width:700px){
  .container{padding:18px; margin:18px auto}
  .h1{font-size:22px}
  .logo{height:52px}
}

/* subtle animations */
@keyframes enter { from {opacity:0; transform: translateY(8px)} to {opacity:1; transform:none} }