/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background: url('../img/Fondo-azulblan.png') no-repeat center center fixed;
  background-size: cover;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
}

/* Navbar */
.navbar {
  background-color: #003366 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar-brand,
.navbar-nav .nav-link,
.navbar-toggler {
  color: #ffffff !important;
}

.navbar-nav .nav-link:hover {
  text-decoration: underline;
}

.dropdown-menu {
  background-color: #003366;
  border: none;
}

.dropdown-item {
  color: #ffffff;
}

.dropdown-item:hover {
  background-color: #002244;
  color: #ffffff;
}

/* Secciones */
section {
  padding: 60px 20px;
}

.about-section {
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 40px;
}

.about-section p,
.about-section li {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #333;
}

.about-section ul {
  padding-left: 20px;
  list-style-type: disc;
}

/* Títulos */
.section-title {
  font-size: 2.5rem;
  color: #003366;
  text-align: center;
  font-weight: bold;
  margin-bottom: 30px;
  position: relative;
}

.section-title::after {
  content: '';
  width: 60px;
  height: 4px;
  background: #0066cc;
  display: block;
  margin: 12px auto 0;
  border-radius: 2px;
}

/* Responsive */
@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

  .about-section {
    padding: 25px;
  }
}