/* activities-section */
  /* Activities */
   /* ======================================================= */

   .activities-section {
    background: var(--bg-primary);
    padding: 80px 5%;
    position: relative;
    }
    .activities-section .section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 4rem;
    }
    .timeline {
    position: relative;
    max-width: 1100px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
    }
    .timeline::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    background: var(--secondary);
    z-index: 1;
    }
    .timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
    }
    /* ================= */
    /* Animation  */
    .timeline-content {
    max-width: 90vw;
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
    }
    .timeline-content.visible {
    opacity: 1;
    transform: translateY(0);
    }
    /* ================= */

    .timeline-content.image img {
    width: 100%;
    max-width: 360px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    }
    .timeline-content.image img:hover {
    transform: scale(1.03);
    }
    .timeline-content.text h4 {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    }
    .timeline-content.text p {
    color: var(--gray);
    font-size: 1rem;
    }
    @media (max-width: 767px) {
    .timeline::before {
        display: none;
    }

    .timeline-item {
        margin: 0 auto;
    }
    .timeline-content {
        max-width: 100%;
        text-align: left;
    }
    .timeline-content.image img {
        aspect-ratio: 16 / 9;
        max-width: 480px;
    }
    }
    @media (min-width: 768px) {
    .timeline-item,
    .timeline-item.reverse {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .timeline-item.reverse {
        flex-direction: row-reverse;
    }
    .timeline-content {
        max-width: 48%;
        text-align: left;
    }
    .timeline-content.image img {
        aspect-ratio: 16 / 9;
        max-width: 480px;
    }
    }