/* About Hero Section */
.about-hero {
    padding: 120px 0 60px;
    background: var(--landing-hero-gradient);
    text-align: center;
}

.about-hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.about-hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--landing-heading);
}

.about-hero-subtitle {
    font-size: 1.2rem;
    color: var(--landing-text);
    line-height: 1.8;
}

/* About Features Section */
.about-features {
    padding: 80px 0;
    background-color: var(--landing-bg);
}

.about-features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.about-feature-card {
    padding: 2rem;
    background: var(--landing-card-bg);
    border: 1px solid var(--landing-card-border);
    border-radius: 0.75rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--landing-card-hover-shadow);
}

.about-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.about-feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--landing-heading);
}

.about-feature-card p {
    color: var(--landing-text);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Sister Sites Section */
.sister-sites {
    padding: 80px 0;
    background-color: var(--landing-bg-alt);
}

.sister-sites-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.sister-sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.sister-site-card {
    display: block;
    padding: 2rem;
    background: var(--landing-card-bg);
    border: 1px solid var(--landing-card-border);
    border-radius: 0.75rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.sister-site-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--landing-card-hover-shadow);
}

.sister-site-emoji {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.sister-site-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--landing-heading);
}

.sister-site-card p {
    color: var(--landing-text);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Footer Links */
.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--landing-footer-text);
    text-decoration: none;
    margin: 0 0.75rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--landing-footer-link-hover);
}

.footer-sites {
    margin-bottom: 1rem;
}

.footer-sites a {
    color: var(--landing-footer-text-faint);
    text-decoration: none;
    margin: 0 0.5rem;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.footer-sites a:hover {
    color: var(--landing-footer-link-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-hero-title {
        font-size: 2rem;
    }

    .about-hero-subtitle {
        font-size: 1rem;
    }

    .about-features-grid {
        grid-template-columns: 1fr;
    }

    .sister-sites-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .about-hero {
        padding: 100px 0 40px;
    }

    .about-hero-title {
        font-size: 1.75rem;
    }

    .footer-sites a {
        display: block;
        margin: 0.25rem 0;
    }
}