/* Features */
.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
    align-items: start;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    z-index: 1;
    max-height: 150px;
    height: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    grid-column: span 1;
    will-change: transform, height;
}

.feature-card.expanded {
    grid-column: 1 / -1;
    max-height: none;
    height: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 100;
    background: rgba(255, 77, 77, 0.1);
    border: 1px solid rgba(255, 77, 77, 0.3);
}

body.card-expanded .feature-card:not(.expanded) {
    opacity: 0.3;
    filter: blur(1px);
    pointer-events: none;
}

.feature-summary {
    transition: opacity 0.3s;
}

.feature-details {
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    padding-top: 0;
}

.feature-card.expanded .feature-details {
    opacity: 1;
    height: auto;
    padding-top: 1.5rem;
}

.feature-card.expanded .feature-summary {
    opacity: 0.8;
}

.tech-stack {
    font-style: italic;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: 20px;
}

.feature-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #ff4d4d;
    color: white;
    border-radius: 6px;
    transition: background-color 0.3s;
    font-size: 0.9rem;
}

.feature-link:hover {
    background-color: #e04444;
}

.feature-list.has-expanded .feature-card:not(.expanded) {
    opacity: 0.6;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}