:root {
  --bg-primary: #0A1128;
  --bg-secondary: #121E40;
  --bg-card: rgba(18, 30, 64, 0.88);
  --bg-input: rgba(10, 17, 40, 0.78);
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --accent-cyan: #00A8E8;
  --accent-teal: #007EA7;
  --accent-gold: #FFB703;
  --accent-orange: #FB8500;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --border-subtle: rgba(255, 255, 255, 0.14);
  --pill-light-bg: #F5F7FA;
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 15% 15%, rgba(0, 168, 232, 0.14), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(255, 183, 3, 0.10), transparent 45%);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Pastilla clara para asegurar legibilidad de los imagotipos FCG y FCyT (#3B3B3B) */
.logos-institucionales-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  background: var(--pill-light-bg);
  color: #1E293B;
  padding: 0.65rem 1.25rem;
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.logos-institucionales-pill img {
  height: 40px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  display: block;
}

.logos-institucionales-pill .logo-divider {
  width: 1px;
  height: 30px;
  background: rgba(30, 41, 59, 0.2);
}

.footer-institucional {
  margin-top: 2.5rem;
  padding: 1.5rem 1rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
}

.footer-institucional p {
  margin: 0.65rem 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.78rem 1.35rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.15s ease, background-color 0.15s ease;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 168, 232, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
  color: #0A1128;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 183, 3, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
}

.hidden {
  display: none !important;
}