/* Projects Page Styles - New Card Layout */

.page-header {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: 3rem 0;
    text-align: center;
}

.page-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.page-intro {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Filter Section */
.projects-filter {
    padding: 2rem 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--medium-gray);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background-color: var(--light-gray);
    color: var(--text-dark);
    border: 2px solid transparent;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover {
    background-color: var(--medium-gray);
}

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

/* Projects Grid */
.projects-grid-section {
    padding: 3rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

/* Project Card Compact */
.project-card-compact {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s;
    cursor: pointer;
}

.project-card-compact:hover {
    box-shadow: 0 4px 12px var(--shadow);
    transform: translateY(-2px);
}

.project-card-compact.expanded {
    grid-column: 1 / -1;
    cursor: default;
}

.project-tag-small {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-card-compact h3 {
    font-size: 1.35rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.project-excerpt {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.expand-btn {
    background: none;
    border: none;
    color: var(--primary-blue);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    transition: color 0.3s;
}

.expand-btn:hover {
    color: var(--dark-blue);
}

.project-card-compact.expanded .expand-btn {
    display: none;
}

/* Project Details (Accordion) */
.project-details {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--medium-gray);
    animation: slideDown 0.3s ease-out;
    position: relative;
}

/* Close X button in top right */
.close-details-x {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: all 0.3s;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-details-x:hover {
    background-color: var(--light-gray);
    color: var(--text-dark);
    transform: rotate(90deg);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.details-content h4 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.details-content h4:first-child {
    margin-top: 0;
}

.details-content p {
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.details-content ul {
    list-style: none;
    margin: 1rem 0;
}

.details-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.details-content ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 1.5rem;
    line-height: 1;
}

.results-list {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.results-list li {
    font-weight: 500;
}

.tech-stack {
    margin-top: 2rem;
    padding: 1rem;
    background-color: var(--light-gray);
    border-left: 4px solid var(--primary-blue);
    font-size: 0.9rem;
    color: var(--text-light);
}

.tech-stack strong {
    color: var(--text-dark);
}

/* Close Details Button */
.close-details-btn {
    display: block;
    margin: 2rem auto 0;
    padding: 0.8rem 2rem;
    background-color: var(--medium-gray);
    color: var(--text-dark);
    border: 2px solid var(--medium-gray);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.close-details-btn:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* CTA Section */
.cta-section {
    background-color: var(--primary-blue);
    color: var(--white);
    text-align: center;
    padding: 4rem 0;
}

.cta-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
}

.cta-section .btn-primary:hover {
    background-color: var(--light-gray);
}

/* Hidden class for filtering */
.project-card-compact.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .page-header h2 {
        font-size: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .projects-filter {
        top: 60px;
    }
}