/* Projects hub — extends styles.css */

.projects-page {
    padding: 2rem 1.5rem 2.5rem;
    width: 100%;
}

.projects-back-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--primary-accent);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: var(--transition-fast);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.back-link:hover {
    background-color: var(--secondary-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.projects-hero {
    text-align: center;
    margin-bottom: 2.5rem;
}

.projects-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    border-bottom: 4px solid;
    border-image: linear-gradient(to right, var(--primary-accent), var(--secondary-accent)) 1;
    padding-bottom: 0.8rem;
    display: inline-block;
}

.projects-subtitle {
    max-width: 42rem;
    margin: 0 auto;
    color: var(--text-medium);
    font-size: 1.05rem;
    line-height: 1.7;
}

.projects-section {
    margin-bottom: 2.75rem;
}

.projects-section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem 1.5rem;
    margin-bottom: 1.25rem;
}

.projects-section-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.projects-section-header p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

.projects-count {
    color: var(--highlight);
    font-weight: 600;
}

/* Category navigation cards */
.category-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
    gap: 0.75rem;
}

.category-nav-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 1rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    transition: var(--transition-medium);
    min-height: 5.5rem;
}

.category-nav-card:hover,
.category-nav-card.is-active {
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.25), rgba(236, 72, 153, 0.15));
    border-color: var(--secondary-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.category-nav-card .cat-icon {
    font-size: 1.1rem;
    color: var(--highlight);
    line-height: 1;
}

.category-nav-card .cat-count {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-medium);
}

/* Filter bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.85rem;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0.85rem;
}

.filter-btn {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-medium);
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    color: var(--text-light);
    border-color: var(--primary-accent);
    background: rgba(79, 70, 229, 0.18);
}

.filter-btn.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border-color: transparent;
    box-shadow: 0 3px 10px rgba(79, 70, 229, 0.35);
}

/* Project grids */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

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

@media (min-width: 768px) {
    .projects-grid--featured {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1100px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Project cards */
.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: var(--primary-deep);
    padding: 1.35rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition-medium);
    opacity: 1;
    transform: translateY(0);
}

.project-card.is-hidden {
    display: none;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-accent);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
    background-color: #401f68;
}

.project-card--featured {
    border-color: rgba(20, 184, 166, 0.35);
    background: linear-gradient(160deg, #2f1650 0%, var(--primary-deep) 55%);
    position: relative;
}

.project-card--featured::before {
    content: 'Highlighted';
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--highlight);
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.35);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
}

.project-card-header {
    margin-bottom: 0.75rem;
    padding-right: 5.5rem;
}

.project-card--featured .project-card-header {
    padding-right: 6.5rem;
}

.project-card h3 {
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--text-light);
    line-height: 1.45;
    margin: 0;
}

.project-card p {
    flex: 1;
    font-size: 0.92rem;
    color: var(--text-medium);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.project-card-tech {
    font-size: 0.82rem;
    color: var(--text-medium);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-card-tech strong {
    color: var(--primary-accent);
    font-weight: 600;
}

.project-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.project-tag {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: rgba(79, 70, 229, 0.15);
    color: #c7d2fe;
    border: 1px solid rgba(79, 70, 229, 0.25);
}

.project-tag--collab {
    background: rgba(236, 72, 153, 0.12);
    color: #fbcfe8;
    border-color: rgba(236, 72, 153, 0.3);
}

.project-card-footer {
    margin-top: auto;
}

.no-results {
    display: none;
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-medium);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 0.85rem;
    grid-column: 1 / -1;
}

.no-results.is-visible {
    display: block;
}

.category-page-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.35);
    color: #c7d2fe;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

@media (max-width: 767px) {
    .project-card-header,
    .project-card--featured .project-card-header {
        padding-right: 0;
    }

    .project-card--featured::before {
        position: static;
        display: inline-block;
        margin-bottom: 0.65rem;
        width: fit-content;
    }
}