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

body {
  font-family: "Segoe UI", sans-serif;
  line-height: 1.6;
  background: #000000;
  color: #333;
}

/* Header */
header {
  background: #000021;
  color: white;
  padding: 1rem 0;
}

.container {
  max-width: 1200px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.logo {
  height: 60px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #00bfff;
}

/* Hero */
.hero {
  background: url('assets/fondo.jpg') no-repeat center center/cover;
  padding: 6rem 2rem;
  text-align: center;
  color: white;
}

.hero-text {
  background: rgba(0, 0, 0, 0.5);
  display: inline-block;
  padding: 2rem;
  border-radius: 12px;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: #00bfff;
  color: white;
  border-radius: 8px;
  text-decoration: none;
}

/* Secciones */
.section {
  padding: 4rem 2rem;
  text-align: center;
  background: white;
}


/* Contacto */
.contacto form {
  max-width: 500px;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contacto input, .contacto textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.contacto button {
  padding: 0.75rem;
  background: #000021;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* Footer */
footer {
  background: #000021;
  color: white;
  text-align: center;
  padding: 1rem 0;
}

/* Estilos base */

/* Contenedor de cards */
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    padding: 1rem;
    max-width: 1200px;
    margin: auto;
}

/* Card con efecto metálico azul marino */
.card {
    background: linear-gradient(145deg, #0a1f3c, #122a4d);
    border: 1px solid #0f2645;
    border-radius: 16px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 0 10px rgba(0, 55, 115, 0.6);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #e4ecf2;
    text-align: center;
    backdrop-filter: blur(6px);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 8px 30px rgba(0, 55, 115, 0.8),
        0 0 20px rgba(0, 100, 255, 0.3);
}

.card h3 {
    margin-top: 0;
    font-size: 1.6rem;
    color: #cfe6ff;
    letter-spacing: 0.5px;
}

.card p {
    font-size: 1rem;
    line-height: 1.6;
    color: #d1e2f1;
}

/* Responsive ajustes */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .card {
        padding: 1.5rem;
    }
}