.about-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7));
    background-size: cover;
    background-position: center;
    padding: 6rem 0;
    text-align: center;
    margin-bottom: 4rem;
}

.about-header h1 {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.about-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-section {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 4rem;
}

.social-links-large {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.social-btn:hover {
    background: var(--secondary-color);
    color: var(--bg-body);
    transform: scale(1.1);
}