/* PAGE HEADER */
.page-header {
    height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), url('https://images.unsplash.com/photo-1449844908441-8829872d2607?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') no-repeat center center/cover;
}

.page-header h1 {
    font-size: 3.5rem;
    font-family: 'Montserrat', sans-serif;
    color: var(--white);
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-top: 1rem;
}

/* PROJECTS GALLERY SECTION */
.projects-gallery-section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid var(--dark-blue-shade);
    color: var(--text-dark);
    padding: 10px 20px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: var(--dark-blue-shade);
    color: var(--orange);
}

.filter-btn.active {
    background-color: var(--orange);
    border-color: var(--orange);
    color: var(--navy-blue);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: 8px;
    color: var(--white);
    box-shadow: 0 10px 30px -15px var(--black);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 25, 47, 0.9) 10%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    text-align: left;
    transition: background 0.4s ease;
}

.project-card:hover .project-card-overlay {
    background: linear-gradient(to top, rgba(10, 25, 47, 0.95) 20%, transparent 70%);
}

.project-card-overlay h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    transform: translateY(0);
    transition: transform 0.4s ease;
}

.project-card-overlay p {
    font-size: 1rem;
    color: var(--orange);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.project-card:hover h3 {
    transform: translateY(-10px);
}

.project-card:hover p {
    opacity: 1;
    transform: translateY(-10px);
}

/* RESPONSIVE STYLES */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
}