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

/* Variables CSS para la nueva paleta */
:root {
  --east-bay: #4e598c;
  --white: #ffffff;
  --chardonnay: #f9c784;
  --texas-rose: #fcaf58;
  --jaffa: #ff8c42;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: var(--white); /* Fondo blanco en lugar del azul */
  color: #333; /* Texto oscuro para mejor legibilidad sobre blanco */
  line-height: 1.6;
}

/* ========== BANNER ========== */
.banner {
  width: 100%;
  height: 100vh;
  background: url("ok.jpg") no-repeat center center;
  background-size: cover;
  text-align: center;
  color: var(--white);
  position: relative;
}

/* ========== NAVEGACIÓN ========== */
.navbar {
  background-color: rgba(78, 89, 140, 0.9); /* Usando --east-bay con transparencia */
  padding: 18px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  color: var(--chardonnay); /* Color principal de la navegación */
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color 0.3s, transform 0.3s;
  position: relative;
}

.nav-links a:hover {
  color: var(--white); /* Blanco en hover */
  transform: scale(1.05);
}

.nav-links a:focus {
  color: var(--texas-rose); /* Color naranja en foco */
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--jaffa); /* Naranja intenso para subrayado */
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

/* ========== CONTENIDO PRINCIPAL ========== */
.main-content {
  max-width: 1300px;
  margin: 40px auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
}

/* ========== TARJETAS ========== */
.card {
  background: rgba(255, 255, 255, 0.95); /* Fondo casi blanco */
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(78, 89, 140, 0.15); /* Sombra con tono azul */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: #333; /* Texto oscuro */
  min-height: 350px;
  border: 1px solid rgba(249, 199, 132, 0.5); /* Borde dorado suave */
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(78, 89, 140, 0.25);
  background: var(--white); /* Fondo completamente blanco en hover */
  border-color: var(--texas-rose); /* Borde naranja en hover */
}

.card-title {
  color: var(--east-bay); /* Azul para títulos */
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 15px;
  letter-spacing: 1px;
}

.card:hover .card-title {
  color: var(--jaffa); /* Naranja intenso en hover */
}

.card-image {
  width: 100%;
  height: 250px;
  border-radius: 8px;
  overflow: hidden;
  background-color: rgba(249, 199, 132, 0.2); /* Fondo dorado muy suave */
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card-image img:hover {
  transform: scale(1.05);
}