.academic-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1rem;
    text-align: center;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.tab {
    background: var(--bg);
    color: var(--text);
    border: 2px solid var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.tab:hover {
    background: rgba(0, 119, 181, 0.1); /* subtle blue hover effect */
    color: var(--accent);
    transform: scale(1.05);
}

.tab.active {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    font-weight: bold;
}

.tab-content {
    display: none;
    text-align: left;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}

.timeline {
    list-style: none;
    padding-left: 1rem;
    line-height: 2;
}

.exp-list {
    padding-left: 1rem;
    list-style: disc;
    margin-top: 1rem;
    line-height: 1.8;
}
.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.tab-content.active {
    display: block;
}

.tab-content.fade-in {
    opacity: 1;
    transform: translateY(0);
}
.vertical-timeline {
    position: relative;
    margin: 2rem 0;
    padding-left: 3rem; /* Gives room for the dot and line */
    border-left: 3px solid var(--accent);
}

.vt-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 0.5rem;
}

.vt-dot {
    position: absolute;
    left: -1.4rem;
    top: 0.5rem; /* adjusted to match h3 line */
    width: 14px;
    height: 14px;
    background-color: var(--accent);
    border: 2px solid var(--bg);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--accent); /* outer ring */
    z-index: 2;
}

.vt-content {
    padding-left: 0; /* no padding so it starts aligned */
}

.vt-content h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text);
}

.vt-sub {
    display: inline-block;
    margin-left: 0.5rem;
    font-weight: normal;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.vt-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.tab button {
  transition: transform 0.3s ease, color 0.3s ease;
}

.tab button:hover {
  transform: scale(1.2); /* Slight zoom */
  color: var(--highlight-color); /* Change to your theme's highlight color */
}
/* Responsive adjustments for tablets and mobiles */
@media (max-width: 768px) {
    .academic-container {
        padding: 2rem 1rem;
    }

    .tab {
        font-size: 0.95rem;
        padding: 0.5rem 0.75rem;
    }

    .vt-content h3 {
        font-size: 1rem;
    }

    .vt-sub,
    .vt-date {
        font-size: 0.8rem;
    }

    .vertical-timeline {
        padding-left: 2rem;
    }

    .vt-dot {
        left: -1rem;
    }
}

@media (max-width: 480px) {
    .tab {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }

    .hero-content h2 {
        font-size: 1rem;
    }

    .vt-content h3 {
        font-size: 0.95rem;
    }

    .vt-sub,
    .vt-date {
        font-size: 0.75rem;
    }
}