:root {
    --sdib-blue-dark: #003366;
    --sdib-blue-light: #00a8e8;
    --bg-gray: #f4f7f9;
    --text-dark: #333333;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-gray);
    color: var(--text-dark);
}

header {
    background-color: var(--white);
    border-bottom: 4px solid var(--sdib-blue-light);
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.hero {
    background: linear-gradient(135deg, var(--sdib-blue-dark) 0%, #001f3f 100%);
    color: white;
    padding: 3rem 1rem;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

h2 {
    color: var(--sdib-blue-dark);
    border-left: 5px solid var(--sdib-blue-light);
    padding-left: 15px;
    margin-top: 3rem;
    text-transform: uppercase;
}

/* Estilos del Carrusel Swiper */
.swiper {
    width: 100%;
    padding: 20px 0 50px; /* Espacio para la paginación */
}

.card {
    background: var(--white);
    border-radius: 4px;
    height: 100%; /* Importante para que todas las tarjetas midan lo mismo */
    display: flex;
    flex-direction: column;
    border: 1px solid #e1e8ed;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
}

.tag {
    background: var(--sdib-blue-light);
    color: white;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 2px;
    display: inline-block;
    margin-bottom: 1rem;
}

.btn {
    display: block;
    padding: 0.8rem;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: 0.3s;
}

.btn-download { background-color: var(--sdib-blue-dark); color: white; }
.btn-download:hover { background-color: #002244; }

.btn-view {
    background-color: transparent;
    color: var(--sdib-blue-light);
    border: 2px solid var(--sdib-blue-light);
    margin: 0 1.5rem 1.5rem 1.5rem;
    border-radius: 4px;
}
.btn-view:hover { background-color: var(--sdib-blue-light); color: white; }

footer {
    background: var(--sdib-blue-dark);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}