/* ===================== VARIABLES ===================== */
:root {
    --primary: #6c5ce7;
    --secondary: #00cec9;

    --background: #f5f7fb;
    --surface: #ffffff;

    --text: #2d3436;
    --muted: #636e72;

    --radius: 14px;
    --shadow: 0 10px 25px rgba(0,0,0,0.08);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
}

/* ===================== HEADER ===================== */
.menu-principal {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.barra-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.marca-sitio {
    font-weight: 900;
    font-size: 1.4rem;
    color: white;
    letter-spacing: 1px;
}

/* ===================== NAV ===================== */
.lista-menu {
    list-style: none;
    display: flex;
    gap: 20px;
}

.lista-menu a {
    text-decoration: none;
    color: white;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    transition: 0.3s ease;
}

.lista-menu a:hover {
    background: rgba(255,255,255,0.2);
}

/* ===================== CONTENEDORES ===================== */
.envoltura-menu {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* ===================== SECCIONES ===================== */
.seccion-informativa {
    margin-top: 40px;
}

/* ===================== TARJETAS ===================== */
.tarjeta-informativa {
    background: var(--surface);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease;
}

.tarjeta-informativa:hover {
    transform: translateY(-3px);
}

.tarjeta-informativa h1,
.tarjeta-informativa h2 {
    color: var(--primary);
    margin-bottom: 10px;
}

.tarjeta-informativa p {
    color: var(--muted);
    margin-bottom: 10px;
}

/* ===================== LISTAS ===================== */
.tarjeta-informativa ul {
    margin-left: 20px;
    color: var(--muted);
}

.tarjeta-informativa ul li {
    margin-bottom: 8px;
}

/* ===================== LINKS INTERNOS ===================== */
.tarjeta-informativa a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.tarjeta-informativa a:hover {
    text-decoration: underline;
}

/* ===================== BOTÓN FINAL ===================== */
.cierre-final {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.cierre-final h2,
.cierre-final p {
    color: white;
}

.boton-ayuda {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 18px;
    background: white;
    color: var(--primary);
    font-weight: bold;
    border-radius: 10px;
    text-decoration: none;
    transition: 0.3s;
}

.boton-ayuda:hover {
    background: #f1f1f1;
    transform: scale(1.05);
}

/* ===================== FOOTER ===================== */
footer {
    text-align: center;
    padding: 25px;
    margin-top: 50px;
    color: var(--muted);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {

    .barra-flex {
        flex-direction: column;
        gap: 10px;
    }

    .lista-menu {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .tarjeta-informativa {
        padding: 18px;
    }
}