/* =========================
   Global Theme (Shared)
   Used by: index.html, faculty.html
========================= */

:root{
  --bg0:#060714;
  --bg1:#0B1026;
  --stroke: rgba(255,255,255,.08);
  --brand:#4F46E5;
  --brand2:#06B6D4;
  --text: rgba(255,255,255,.92);
}

body{
  font-family:'Cairo', sans-serif;
  background:
    radial-gradient(900px 380px at 20% 10%, rgba(79,70,229,.25), transparent 60%),
    radial-gradient(800px 340px at 80% 25%, rgba(6,182,212,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  color: var(--text);
  min-height: 100vh;
}

/* Glass card */
.glass{
  background: rgba(15,23,42,.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--stroke);
}

/* Buttons */
.btn-brand{
  background: linear-gradient(135deg, rgba(79,70,229,1) 0%, rgba(6,182,212,1) 100%);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn-brand:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(79,70,229,.22);
  filter: brightness(1.02);
}

.btn-ghost{
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.02);
  transition: background .18s ease, transform .18s ease;
}
.btn-ghost:hover{
  background: rgba(255,255,255,0.06);
  transform: translateY(-1px);
}

/* Utility */
.no-scroll{ overflow:hidden; }