/* Theme variables */
:root{
  --bg:#050308;
  --card-bg: rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.06);
  --accent-start: #ff4db8; /* rose */
  --accent-end: #ff2b4a;   /* rouge */
  --accent-glow: rgba(255,75,140,0.18);
  --text: #e9e6ef;
  --muted: #b9b4c6;
  --glass-blur: 8px;
  --radius: 14px;
  --max-width: 1100px;
}

/* Reset & base */
*{box-sizing:border-box}
html,body{
  height:100%;
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
}

/* Fullscreen constellation canvas behind everything */
#stars{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  display:block;
  background:transparent;
}

/* Subtle gradient overlay to tint the constellation */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  background: linear-gradient(135deg, rgba(255,77,184,0.06) 0%, rgba(255,43,74,0.06) 60%, transparent 100%);
  mix-blend-mode:screen;
}

/* Page layout */
header{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:28px 6vw;
  max-width:var(--max-width);
  margin:0 auto;
  width:100%;
  gap:16px;
}

header h1{
  font-size:1.6rem;
  letter-spacing:1px;
  margin:0;
  color:var(--text);
  text-shadow: 0 6px 18px rgba(0,0,0,0.6);
}

/* Nav button */
.nav-btn{
  text-decoration:none;
  color:var(--text);
  background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  padding:10px 16px;
  border-radius:10px;
  font-weight:600;
  box-shadow: 0 6px 30px var(--accent-glow);
  transition:transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  z-index:2;
}
.nav-btn:hover{ transform:translateY(-3px); opacity:0.98; }

/* Main container */
.container{
  position:relative;
  z-index:2;
  max-width:var(--max-width);
  margin:40px auto;
  padding:24px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap:22px;
}

/* Card style */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:20px;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: 0 8px 30px rgba(0,0,0,0.6), 0 0 30px rgba(0,0,0,0.35) inset;
  transition: transform .22s cubic-bezier(.2,.9,.3,1), box-shadow .22s ease;
  overflow:hidden;
  min-height:160px;
}

/* Neon accent line on card */
.card::after{
  content:"";
  position:absolute;
  left:0;
  top:0;
  height:4px;
  width:100%;
  background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  transform-origin:left;
  transform:scaleX(0);
  transition: transform .45s cubic-bezier(.2,.9,.3,1);
  border-top-left-radius:var(--radius);
  border-top-right-radius:var(--radius);
  pointer-events:none;
}

/* Hover effect */
.card:hover{
  transform: translateY(-8px);
  box-shadow: 0 18px 60px rgba(0,0,0,0.7), 0 0 40px var(--accent-glow);
}
.card:hover::after{ transform:scaleX(1); }

/* Card content */
.card h2{
  margin:0 0 8px 0;
  font-size:1.15rem;
  color:var(--text);
}
.card p{
  margin:0 0 16px 0;
  color:var(--muted);
  font-size:0.95rem;
}

/* Buy button */
.buy-btn{
  display:inline-block;
  text-decoration:none;
  padding:10px 14px;
  border-radius:10px;
  font-weight:700;
  color:#fff;
  background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  box-shadow: 0 8px 30px var(--accent-glow);
  transition: transform .16s ease, filter .16s ease;
}
.buy-btn:hover{ transform:translateY(-3px); filter:brightness(1.03); }

/* Footer */
footer{
  position:relative;
  z-index:2;
  max-width:var(--max-width);
  margin:48px auto 80px;
  padding:28px;
  border-radius:12px;
  color:var(--muted);
  display:flex;
  gap:20px;
  align-items:center;
  justify-content:space-between;
  border:1px solid rgba(255,255,255,0.03);
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.005));
  backdrop-filter: blur(6px);
}
footer h3{ margin:0; color:var(--text); font-size:1rem; }
.socials{ display:flex; gap:14px; flex-wrap:wrap; }
.socials a{
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border-radius:8px;
  transition: color .14s ease, background .14s ease;
}
.socials a:hover{
  color:#fff;
  background: linear-gradient(90deg, rgba(255,77,184,0.08), rgba(255,43,74,0.08));
}

/* Small screens */
@media (max-width:720px){
  header{ padding:18px 5vw; }
  .container{ padding:12px; gap:14px; margin-top:18px; }
  footer{ flex-direction:column; align-items:flex-start; gap:12px; padding:18px; margin:28px 12px 60px; }
}

/* Accessibility focus */
a:focus, .buy-btn:focus, .nav-btn:focus{
  outline:3px solid rgba(255,77,184,0.18);
  outline-offset:3px;
  border-radius:8px;
}

/* Tiny decorative star-glow for headings */
header h1::after{
  content:"";
  display:inline-block;
  width:10px;
  height:10px;
  margin-left:12px;
  vertical-align:middle;
  border-radius:50%;
  background: radial-gradient(circle at 30% 30%, #fff 0%, rgba(255,255,255,0.6) 10%, transparent 40%), linear-gradient(90deg, var(--accent-start), var(--accent-end));
  box-shadow: 0 6px 22px rgba(255,43,74,0.12);
}

/* Utility: center content when few cards */
body > .container:empty{ display:flex; align-items:center; justify-content:center; min-height:60vh; }