/* ===== RESET SUAVE ===== */
body {
    margin: 0;
    padding: 0;
}

/* ===== SECCIONES ===== */
.section {
    padding: 60px 0;
}

.section-alt {
    background-color: #f8f9fa;
}

/* ===== CONTAINER ===== */
.container-custom {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* ===== CARD ===== */
.card-custom {
    background: #ffffff;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* ===== TEXTOS ===== */
.titulo {
    font-size: 26px;
    font-weight: bold;
    color: #2c3e50;
}

.subtitulo {
    font-size: 18px;
    color: #6c757d;
    margin-top: 10px;
}

.resumen {
    font-size: 15px;
    color: #555;
    margin-top: 10px;
}

.contenido {
    margin-top: 15px;
    line-height: 1.6;
}

/* ===== IMAGEN ===== */
.imagen {
    max-width: 100%;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.imagen:hover {
    transform: scale(1.02);
}

/* ===== ENLACES ===== */
.link-item {
    display: block;
    padding: 12px;
    margin-bottom: 10px;
    background: #eef1f4;
    border-radius: 6px;
    text-decoration: none;
    color: #2c3e50;
    transition: all 0.3s ease;
}

.link-item:hover {
    background: #dce3ea;
    transform: translateX(5px);
}

/* ===== ANIMACIONES FADE-IN ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== DELAYS (efecto cascada) ===== */
.fade-delay-1 { transition-delay: 0.1s; }
.fade-delay-2 { transition-delay: 0.2s; }
.fade-delay-3 { transition-delay: 0.3s; }
.fade-delay-4 { transition-delay: 0.4s; }