/* ============================================
   ACTIVITIES SECTION - BLUE PURPLE THEME
   ============================================ */
#activities {
    background: #f8f9fa;
    padding: 80px 0;
}

.section-title {
    color: #1a1a2e;
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.section-title:hover::after {
    width: 100px;
}

.activity-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    opacity: 0;
    transition: all 0.4s ease;
}

.activity-card:hover::before {
    opacity: 1;
}

.activity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.15);
}

.activity-card h4 {
    color: #1a1a2e;
    font-weight: 700;
    font-size: 22px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.activity-card h4 i {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
}

.activity-card h4::after {
    content: '';
    flex: 1;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    margin-left: 10px;
    border-radius: 10px;
    opacity: 0.3;
}

.activity-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.activity-list li {
    padding: 15px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    flex-wrap: wrap;
}

.activity-list li:last-child {
    border-bottom: none;
}

.activity-list li:hover {
    padding-left: 5px;
    background: rgba(102, 126, 234, 0.02);
    border-radius: 8px;
}

.activity-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    font-size: 18px;
    transition: all 0.3s ease;
}

.activity-list li:hover .activity-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #ffffff;
    transform: scale(1.05);
}

.activity-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.activity-title {
    font-weight: 500;
    color: #1a1a2e;
    font-size: 15px;
}

.activity-date {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.4);
}

.activity-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 50px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.15);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.activity-badge.past {
    background: rgba(0, 0, 0, 0.05);
    color: rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 0, 0, 0.08);
}

.activity-footer {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    text-align: right;
}

.btn-activity {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #ffffff;
    padding: 8px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    gap: 8px;
}

.btn-activity:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    color: #ffffff;
    background: linear-gradient(135deg, #764ba2, #667eea);
}

.btn-activity i {
    transition: transform 0.3s ease;
}

.btn-activity:hover i {
    transform: translateX(5px);
}

/* ============================================
   ACTIVITIES - RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    #activities { padding: 60px 0; }
    .section-title { font-size: 34px; }
    .activity-card h4 { font-size: 20px; }
}

@media (max-width: 768px) {
    #activities { padding: 50px 0; }
    .section-title { font-size: 28px; }
    .activity-card { padding: 25px; margin-bottom: 25px; }
    .activity-card h4 { font-size: 18px; }
    .activity-list li { padding: 12px 0; }
    .activity-title { font-size: 14px; }
    .activity-badge { margin-left: 0; }
}

@media (max-width: 480px) {
    .section-title { font-size: 24px; }
    .activity-card { padding: 20px; }
    .activity-card h4 { font-size: 16px; }
    .activity-list li { padding: 10px 0; }
    .activity-icon { width: 32px; height: 32px; min-width: 32px; font-size: 14px; }
    .activity-title { font-size: 13px; }
    .activity-date { font-size: 11px; }
    .btn-activity { padding: 6px 18px; font-size: 12px; }
    .activity-badge { font-size: 8px; padding: 2px 8px; }
}