:root {
  --bg: #0d0d0f;
  --glass: rgba(30,30,35,0.65);
  --text: #f2f2f5;
  --muted: #9c9ca1;
  --accent: #007aff;
  --shadow: 0 8px 32px rgba(0,0,0,0.6);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Rounded", sans-serif;
}
*{box-sizing:border-box;}
body {
  margin:0;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
}
header {
  position:fixed;top:0;left:0;right:0;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;
  background:rgba(20,20,22,0.6);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.05);
  z-index:50;
}
h1{font-size:18px;margin:0;font-weight:600;letter-spacing:0.3px;}
.btn {
  border:none;cursor:pointer;border-radius:50px;
  padding:10px 22px;font-weight:600;font-size:15px;
  background:var(--glass);color:var(--text);
  box-shadow:var(--shadow);
  transition:all 0.25s ease;
}
.btn:hover {
  transform:scale(1.05);
  background:rgba(255,255,255,0.08);
  box-shadow:0 0 25px rgba(0,122,255,0.4);
}
.hero {
  height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;position:relative;overflow:hidden;
}
.hero h2 {
  font-size:56px;font-weight:700;margin:0;
  opacity:0;animation:fadeIn 2s forwards;color:#fff;
}
.hero p {
  font-size:22px;margin-top:16px;color:var(--muted);
  opacity:0;animation:fadeIn 2s 0.8s forwards;
}
.hero .btn {
  margin-top:40px;font-size:17px;
  opacity:0;animation:fadeIn 2s 1.4s forwards;
}
@keyframes fadeIn {
  from{opacity:0;transform:translateY(40px);}
  to{opacity:1;transform:translateY(0);}
}
.section {
  max-width:1000px;margin:120px auto;padding:40px;
  background:var(--glass);border-radius:20px;
  box-shadow:var(--shadow);backdrop-filter:blur(12px);
  opacity:0;transform:translateY(40px);
  transition:all 0.6s ease-out;
}
.section.visible{opacity:1;transform:translateY(0);}
footer {
  text-align:center;padding:20px;color:var(--muted);font-size:14px;
}
.menu-overlay {
  display:none;position:fixed;inset:0;background:rgba(15,15,17,0.8);
  backdrop-filter:blur(25px);z-index:100;align-items:center;justify-content:center;
}
.menu-grid {
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:24px;max-width:1000px;width:90%;
}
.menu-btn {
  border:none;cursor:pointer;background:var(--glass);
  color:var(--text);font-size:18px;font-weight:500;
  border-radius:20px;padding:28px;
  box-shadow:var(--shadow);
  transition:all 0.3s ease;
}
.menu-btn:hover {
  transform:translateY(-6px) scale(1.05);
  box-shadow:0 0 30px rgba(0,122,255,0.4);
}
@media(max-width:600px){
  .hero h2{font-size:40px;}
}