:root {
    --rosado: #E22863;
    --azul: #0A4B8A;
    --naranja: #F69D34;
    --azul-oscuro: #004a8c;
    --blanco: #FFFFFF;
    --gris: #F5F7FA;
    --gris-texto: #3A3A3A;
}

/* ======== GENERAL ======== */
body {
    margin: 0;
    background: var(--gris);
    font-family: 'Segoe UI', sans-serif;
    color: var(--gris-texto);
}

/* ======== BOTÓN VOLVER ======== */
/* ======== BOTÓN VOLVER ======== */
.btn-volver {
    display: inline-block;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
    padding: 10px 18px;
    background: var(--rosado);
    color: var(--blanco);
    font-weight: 600;
    text-decoration: none;
    border-radius: 25px;
    transition: 0.3s ease;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.btn-volver:hover {
    background: #c41e54;
    transform: translateY(-2px);
}

/* ======== HEADER ======== */
.header {
    background: var(--azul);
    text-align: center;
    padding: 40px 20px;
    color: var(--blanco);
    font-weight: bold;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.header h1 {
    margin: 0;
    font-size: 30px;
}

.header p {
    font-size: 16px;
    margin-top: 8px;
}

/* ======== CONTENEDOR DEL MENÚ ======== */
.menu-container {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 25px;
}

/* ======== TARJETAS ======== */
.card {
    background: var(--blanco);
    text-decoration: none;
    color: var(--gris-texto);
    padding: 35px 25px;
    text-align: center;
    border-radius: 18px;
    font-size: 20px;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    transition: 0.25s ease;
    border-top: 8px solid var(--rosado);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
}

.card h3 {
    margin: 0;
    color: var(--azul-oscuro);
}