/* Program Studi Section */
.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
    font-weight: 700;
    color: #2c3e50;
}

.section-title:after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #4b6cb7, #182848);
}

/* About Card Styles */
.about-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
    background: #fff;
    border-radius: 10px;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}

.about-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4b6cb7, #182848);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.about-card:hover:before {
    transform: scaleX(1);
}

/* Program Studi Card Styles */
.concentration-card {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.concentration-card .badge {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 0.8rem;
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.concentration-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15) !important;
}

.concentration-card .icon-wrapper {
    transition: all 0.5s ease;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.concentration-card:hover .icon-wrapper {
    animation: bounce 1s ease infinite;
    transform: scale(1.1);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) scale(1.1); }
    50% { transform: translateY(-8px) scale(1.1); }
}

.concentration-card h4 {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 700;
}

.concentration-card h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #4b6cb7, #182848);
    transition: all 0.3s ease;
}

.concentration-card:hover h4:after {
    width: 80px;
}

.concentration-card p {
    color: #6c757d;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.concentration-card ul {
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.concentration-card ul li {
    transition: all 0.3s ease;
    padding: 5px 0;
    color: #495057;
    position: relative;
    padding-left: 1.5rem;
}

.concentration-card ul li:before {
    content: '•';
    color: #4b6cb7;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.concentration-card:hover ul li {
    transform: translateX(5px);
}

/* Feature Card Styles */
.feature-card {
    transition: all 0.3s ease;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 10px;
    height: 100%;
    position: relative;
    overflow: hidden;
    padding: 2rem 1.5rem;
    text-align: center;
}

.feature-card .icon-wrapper {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: rgba(75, 108, 183, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}

.feature-card:hover .icon-wrapper {
    background: linear-gradient(135deg, #4b6cb7, #182848);
    color: #fff;
    transform: rotateY(180deg);
}

.feature-card h5 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 10px;
}

.feature-card h5:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: #4b6cb7;
    transition: all 0.3s ease;
}

.feature-card:hover h5:after {
    width: 50px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .concentration-card, .feature-card {
        margin-bottom: 30px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .concentration-card h4, .feature-card h5 {
        font-size: 1.2rem;
    }
}

/* Animation Delays */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
}

[data-aos].aos-animate {
    opacity: 1;
}