.projects-page-header {
    padding-top: 140px;
    text-align: center;
    padding-bottom: 40px;
}

.subtitle {
    color: var(--text-muted);
    margin-top: -40px;
    margin-bottom: 40px;
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    border-radius: 30px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    transition: 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.all-projects .projects-container {
    max-width: 1200px; 
    margin: 0 auto; 
}

.projects-container.single-row-layout {
    display: flex; 
    justify-content: center;
    flex-wrap: wrap; 
}

.projects-container.single-row-layout .project-card {
    max-width: 400px;
    flex-basis: 45%; 
    flex-grow: 0;
}

@media (max-width: 768px) {
    .projects-container.single-row-layout .project-card {
        max-width: 100%;
        flex-basis: 100%; 
    }
}