.heading {
    font-size: clamp(1.5rem, 5vw, 4rem);
    font-weight: 700;
    margin: 10rem 10rem;
    line-height: 1.1;
    text-align: center;
    color: #333;
    position: relative;
}

.heading::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 4px;
    background: linear-gradient(90deg, #6e57e0, #8e7cff, #4d3cb3);
    background-size: 300% 100%;
    border-radius: 2px;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.educacion {
    padding: 100px 15px;
    background-color: var(--second-bg-color);
}

.educacion h2 {
    margin-bottom: 5rem;
}

.timeline-items {
    max-width: 1200px;
    margin: auto;
    position: relative;
}

.timeline-items::before {
    content: "";
    position: absolute;
    width: 5px;
    height: 100%;
    background-color: var(--main-color);
    left: calc(50% - 1px);
}

.timeline-item {
    margin-bottom: 40px;
    width: 100%;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 30px);
    text-align: right;
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 30px);
    text-align: left;
}

.timeline-dot {
    height: 21px;
    width: 21px;
    background-color: var(--main-color);
    box-shadow: 0 0 25px var(--main-color),
                0 0 50px var(--main-color);
    position: absolute;
    left: calc(50% - 10px);
    border-radius: 50%;
    top: 10px;
    z-index: 1;
}

.timeline-date {
    font-size: 20px;
    font-weight: 800;
    color: white;
    margin: 6px 0 15px;
}

.timeline-content {
    background-color: var(--main-color);
    border: 3px solid var(--main-color);
    padding: 30px 50px;
    border-radius: 4rem;
    box-shadow: 0 0 10px var(--main-color);
    cursor: pointer;
    transition: 0.3s ease-in-out;
}

.timeline-content:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--main-color);
}

.timeline-content h3 {
    font-size: 20px;
    color: white;
    margin: 0 0 10px;
    font-weight: 500;
}

.timeline-content p {
    color: white;
    font-size: 16px;
    font-weight: 300;
    line-height: 22px;
}

/* Media queries para pantallas pequeñas */
@media (max-width: 768px) {
    .heading {
        font-size: 2rem;
        margin: 3rem 0;
    }

    .educacion {
        padding: 60px 15px;
    }

    .educacion h2 {
        margin-bottom: 3rem;
    }

    .timeline-items::before {
        left: 30px; /* Mover la línea al lado izquierdo */
    }

    .timeline-item {
        padding-right: 0 !important;
        padding-left: 80px !important; 
        text-align: left !important; /* Forzar alineación izquierda */
        margin-bottom: 50px;
    }

    .timeline-dot {
        left: 23px; /* Alinear el punto con la línea */
    }

    .timeline-date {
        position: relative;
        left: 0;
        margin: 0 0 15px 0;
    }

    .timeline-content {
        padding: 20px 25px;
        width: 100%;
    }

    .timeline-content h3 {
        font-size: 18px;
    }

    .timeline-content p {
        font-size: 14px;
        line-height: 1.5;
    }
}

/* Media queries para pantallas muy pequeñas */
@media (max-width: 480px) {
    .heading {
        font-size: 2rem;
    }

    .timeline-content {
        padding: 15px 20px;
        border-radius: 3rem;
    }

    .timeline-date {
        font-size: 18px;
    }
}