.topics-section {
padding: 40px 0;
background: var(--neutral-bg);
}
.topic-card {
background: var(--card-bg);
border: 1px solid var(--border-subtle);
border-radius: 20px;
padding: 28px 20px;
text-align: center;
transition: transform 0.3s ease, box-shadow 0.3s ease;
height: 100%;
position: relative;
display: flex;
flex-direction: column;
justify-content: space-between;
box-shadow: var(--shadow-subtle);
overflow: hidden;
}
.topic-card::before {
content: '';
position: absolute;
top: 0;
left: 50%;
transform: translateX(-50%) scaleX(0);
width: 80px;
height: var(--accent-line-height);
background: var(--primary-gradient);
transition: transform 0.3s ease;
border-radius: 0 0 4px 4px;
}
.topic-card::after {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(135deg, rgba(139, 92, 246, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
opacity: 0;
transition: opacity 0.3s ease;
}
.topic-card:hover::before {
transform: translateX(-50%) scaleX(1);
}
.topic-card:hover::after {
opacity: 1;
}
.topic-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-large);
border-color: var(--accent-purple);
}
.topic-card:focus-within {
transform: translateY(-4px);
box-shadow: var(--shadow-large);
border-color: var(--accent-cyan);
}
.topic-icon {
font-size: clamp(2rem, 4vw, 2.8rem);
margin-bottom: var(--spacing-lg);
color: var(--accent-purple);
position: relative;
z-index: 1;
transition: all 0.3s ease;
}
.topic-card:hover .topic-icon {
transform: scale(1.05);
color: var(--accent-cyan);
}
.topic-title {
font-size: clamp(1.1rem, 3vw, 1.3rem);
font-weight: 700;
margin-bottom: 20px;
color: var(--text-primary);
position: relative;
z-index: 1;
}
.topic-description {
color: var(--text-secondary);
line-height: 1.8;
margin-bottom: var(--spacing-lg);
flex-grow: 1;
font-size: clamp(0.9rem, 2.5vw, 1rem);
position: relative;
z-index: 1;
}
.topic-link {
color: var(--accent-purple);
text-decoration: none;
font-weight: 600;
transition: all 0.3s ease;
margin-top: auto;
border-bottom: 2px solid transparent;
position: relative;
z-index: 1;
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--spacing-sm);
font-size: clamp(0.9rem, 2.5vw, 1rem);
align-self: center;
}
.topic-link:hover {
color: var(--accent-cyan);
border-bottom-color: var(--accent-cyan);
transform: translateX(4px);
text-decoration: none;
}
.section-title {
font-size: clamp(1.8rem, 4vw, 2.2rem);
font-weight: 800;
text-align: center;
margin-bottom: 40px;
position: relative;
color: var(--text-primary);
}
.section-title::after {
content: '';
position: absolute;
bottom: -16px;
left: 50%;
transform: translateX(-50%);
width: 100px;
height: 4px;
background: var(--primary-gradient);
border-radius: 2px;
}