/* EUROSTAR × USAMV Cluj – Global Education Platform */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

* { box-sizing: border-box; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Pulse animation for WhatsApp button */
.pulse-green {
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Smooth page transitions */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s forwards;
}

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

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #3b82f6; border-radius: 3px; }

/* Program card hover effect */
.program-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

/* Demand bar */
.demand-bar {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #3b82f6, #22c55e);
  transition: width 1s ease;
}

/* Gold gradient text */
.text-gradient-gold {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Blue gradient text */
.text-gradient-blue {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Sticky CTA bar animation */
.cta-bar-enter {
  transform: translateY(-100%);
  animation: slideDown 0.3s forwards;
}

@keyframes slideDown {
  to { transform: translateY(0); }
}

/* Program badge */
.badge-highlight {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Image placeholder */
.img-placeholder {
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

/* Loading spinner */
.spinner {
  border: 3px solid #e2e8f0;
  border-top-color: #3b82f6;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form input focus ring */
input:focus, select:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Progress bar */
.progress-bar {
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #2563eb, #3b82f6);
  transition: width 1s ease;
}

/* Mobile nav */
@media (max-width: 768px) {
  .mobile-hidden { display: none !important; }
}

/* Hero pattern overlay */
.hero-pattern {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Card shimmer */
.shimmer {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Section divider */
.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #2563eb, #3b82f6);
  border-radius: 2px;
  margin: 0 auto 24px;
}

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.9);
  color: white;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  margin-bottom: 6px;
}

/* Mobile sticky CTA */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: white;
  border-top: 1px solid #e2e8f0;
  padding: 12px 16px;
  display: flex;
  gap: 12px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

@media (min-width: 768px) {
  .mobile-cta { display: none; }
}