/* ══════════════════════════════════════════════
   NCADT 2026 – National Conference Page
   Standalone Stylesheet
   ══════════════════════════════════════════════ */

/* ── Keyframe Animations ── */
@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.4); }
}

@keyframes orbit1 {
  from { transform: rotate(0deg)   translateX(140px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(140px) rotate(-360deg); }
}

@keyframes orbit2 {
  from { transform: rotate(90deg)  translateX(190px) rotate(-90deg); }
  to   { transform: rotate(450deg) translateX(190px) rotate(-450deg); }
}

@keyframes orbit3 {
  from { transform: rotate(220deg) translateX(240px) rotate(-220deg); }
  to   { transform: rotate(580deg) translateX(240px) rotate(-580deg); }
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(56,189,248,0.3); }
  50%       { box-shadow: 0 0 50px rgba(56,189,248,0.8), 0 0 80px rgba(56,189,248,0.3); }
}

@keyframes scanLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200vh); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Star field ── */
.star-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.star {
  position: absolute;
  border-radius: 50%;
  background: white;
  animation: twinkle var(--dur, 3s) ease-in-out var(--delay, 0s) infinite;
}

/* ── Satellite orbits ── */
.sat-1 { animation: orbit1  8s linear infinite; }
.sat-2 { animation: orbit2 14s linear infinite; }
.sat-3 { animation: orbit3 22s linear infinite; }

/* ── Float & glow ── */
.float-anim { animation: floatUp 4s ease-in-out infinite; }
.pulse-glow  { animation: pulseGlow 2.5s ease-in-out infinite; }
.fade-in-up  { animation: fadeInUp 0.8s ease forwards; }
.scan-line   {
  position: fixed;
  left: 0; right: 0;
  height: 1px;
  animation: scanLine 6s linear infinite;
  pointer-events: none;
  z-index: 1;
}

/* ── Hero background orbs ── */
.orb-container {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  pointer-events: none;
  z-index: 0;
}
.orb-inner-1 {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37,99,235,0.08);
  filter: blur(64px);
}
.orb-inner-2 {
  position: absolute;
  inset: 80px;
  border-radius: 50%;
  background: rgba(6,182,212,0.06);
  filter: blur(40px);
}

/* ── Grid overlay ── */
.grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(100,200,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,200,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ── Glass card base ── */
.card-glass {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Theme card hover ── */
.theme-card {
  transition: border-color 0.2s, background 0.2s;
}
.theme-card:hover {
  border-color: rgba(56,189,248,0.40) !important;
  background: rgba(255,255,255,0.10) !important;
}
.theme-card:hover .theme-icon {
  transform: scale(1.10);
}
.theme-icon {
  transition: transform 0.2s;
}

/* ── Stat card hover ── */
.stat-card {
  transition: box-shadow 0.2s;
}
.stat-card:hover {
  box-shadow: 0 0 32px rgba(56,189,248,0.18) !important;
}

/* ── Responsive: smaller phones ── */
@media (max-width: 380px) {
  .grid-cols-2 { grid-template-columns: 1fr; }
}

/* ── Table styling ── */
table { border-collapse: collapse; }
th, td { border: none; }
