/* Research Section Styles */
.research-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    border-bottom: 2px solid #e2e8f0;
}

.research-nav-btn {
    background: none;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.research-nav-btn.active {
    color: #156d54;
    border-bottom-color: #156d54;
}

.research-nav-btn:hover {
    color: #156d54;
}

.research-tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

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

/* Project Meta Styles */
.project-meta {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.project-status,
.project-funding,
.project-collab,
.project-type {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-status.active {
    background: #10b981;
    color: white;
}

.project-status.planning {
    background: #a46f2d;
    color: white;
}

.project-funding {
    background: #8b5cf6;
    color: white;
}

.project-collab {
    background: #2e8b94;
    color: white;
}

.project-type {
    background: #ef4444;
    color: white;
}

/* Team Section Styles */
.team-section {
    max-width: 1000px;
    margin: 0 auto;
}

.team-toggle {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    background: #f1f5f9;
    border-radius: 50px;
    padding: 4px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.team-toggle-btn {
    background: none;
    border: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #64748b;
    font-size: 1.1rem;
}

.team-toggle-btn.active {
    background: white;
    color: #156d54;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.team-content {
    display: none;
}

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

.team-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.team-member {
    flex: 0 0 calc(33.333% - 1.33rem);
    max-width: 300px;
}

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.team-member:hover {
    transform: translateY(-8px);
    border-color: #1b5240;
}

.member-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 2.5rem;
    color: #64748b;
    border: 4px solid #f1f5f9;
}

.member-photo img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.member-info h4 {
    font-size: 1.3rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.member-role {
    color: #156d54;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.member-focus {
    color: #37474f;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.member-current {
    color: #059669;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.member-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.member-links a {
    width: 35px;
    height: 35px;
    background: #f1f5f9;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.member-links a:hover {
    background: #156d54;
    color: #faf8f3;
    transform: translateY(-2px);
}

/* Alumni List Styles */
.recent-alumni-section {
    margin-bottom: 4rem;
}

.recent-alumni-section h3,
.all-alumni-section h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #1e293b;
}

.all-alumni-section {
    background: #f8fafc;
    padding: 3rem 2rem;
    border-radius: 20px;
    margin-top: 3rem;
}

.alumni-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.alumni-category h4 {
    color: #156d54;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.alumni-names {
    list-style: none;
}

.alumni-names li {
    margin-bottom: 0.8rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.alumni-names li:last-child {
    border-bottom: none;
}

.alumni-names a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.alumni-names a:hover {
    color: #156d54;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .research-nav {
        flex-direction: column;
        align-items: center;
    }

    .research-nav-btn {
        width: 200px;
    }

    .team-toggle {
        width: 100%;
        max-width: 300px;
    }

    .team-grid {
        flex-direction: column;
        align-items: center;
    }

    .team-member {
        flex: none;
        width: 100%;
        max-width: 350px;
    }

    .project-meta {
        justify-content: center;
    }
}
