/* ============================================================
   COVER / HERO PAGE — Minimal & Institutional
   ============================================================ */
.cover {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--navy-900);
  position: relative;
  overflow: hidden;
  padding: 60px 40px;
}

/* Animated grid background */
.cover-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46,139,139,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,139,139,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 8s ease-in-out infinite;
}

/* Radial glow effects */
.cover-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: glowFloat 12s ease-in-out infinite;
}
.cover-glow--teal {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(46,139,139,0.15), transparent 70%);
  top: 10%; left: 15%;
}
.cover-glow--gold {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(200,169,81,0.1), transparent 70%);
  bottom: 10%; right: 15%;
  animation-delay: -4s;
}
.cover-glow--navy {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(27,42,74,0.4), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: none;
}

/* Canvas for particles */
#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Content — centered minimal layout */
.cover-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* Logo — big and prominent */
.cover-logo {
  max-width: 480px;
  width: 85%;
  opacity: 0;
  animation: fadeInScale 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

/* Label — clean text, no badge */
.cover-label {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

/* CTA */
.cover-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy-900);
  padding: 14px 40px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(200,169,81,0.25);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.85s forwards;
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.cover-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,169,81,0.35);
  color: var(--navy-900);
}
.cover-cta svg {
  width: 18px; height: 18px;
  stroke: var(--navy-900);
  fill: none;
  stroke-width: 2;
  transition: transform var(--transition);
}
.cover-cta:hover svg { transform: translateY(2px); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes gridPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}
@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(20px, -15px); }
  66% { transform: translate(-15px, 10px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================================
   RESPONSIVE COVER
   ============================================================ */
@media (max-width: 1024px) {
  /* Cover must span full width without sidebar */
  .cover { width: 100vw; }
}
@media (max-width: 768px) {
  .cover { padding: 40px 24px; min-height: 100svh; }
  .cover-logo { max-width: 280px; }
  .cover-content { gap: 24px; }
  .cover-label { font-size: 0.85rem; letter-spacing: 2.5px; }
  .cover-cta { padding: 12px 32px; font-size: 0.88rem; }
  .cover-glow--teal { width: 250px; height: 250px; }
  .cover-glow--gold { width: 200px; height: 200px; }
  .cover-glow--navy { width: 350px; height: 350px; }
}