.project-grid,
.service-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

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

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

    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Starteach Hub */
.starteach-hub {
    margin-bottom: 28px;
}

.hub-card {
    background: linear-gradient(135deg, rgba(58, 123, 213, 0.12), rgba(0, 210, 255, 0.08));
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 28px;
    position: relative;
    overflow: hidden;
}

.hub-card::before {
    content: "";
    position: absolute;
    top: -40%;
    left: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(58, 123, 213, 0.15), transparent 70%);
    pointer-events: none;
}

.hub-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient);
    color: #fff;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.hub-card h2 {
    font-size: 1.5rem;
    margin: 0 0 6px;
    color: var(--text-color);
}

.hub-subtitle {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 12px;
}

.hub-desc {
    line-height: 1.9;
    color: var(--text-secondary-color);
    margin-bottom: 20px;
}

.hub-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 20px;
}

.hub-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hub-stat strong {
    font-size: 1.4rem;
    color: var(--primary-color);
}

.hub-stat span {
    font-size: 0.85rem;
    color: var(--text-secondary-color);
}

.hub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Filters */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.filter-btn {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--light-color);
    color: var(--text-secondary-color);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient);
    color: #fff;
    border-color: transparent;
}

/* Project Cards */
.project-card,
.service-card {
    background: var(--light-color);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.service-card {
    cursor: default;
}

.project-card:hover,
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.project-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px rgba(58, 123, 213, 0.2);
}

.project-card.status-retired {
    opacity: 0.72;
}

.project-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.project-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    object-fit: cover;
}

.project-icon-placeholder {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(58, 123, 213, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.project-status {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-active {
    background: rgba(40, 167, 69, 0.15);
    color: #28a745;
}

.status-retired {
    background: rgba(108, 117, 125, 0.15);
    color: #6c757d;
}

.status-maintenance {
    background: rgba(255, 193, 7, 0.15);
    color: #d39e00;
}

.project-card h3,
.service-card h3 {
    font-size: 1.05rem;
    margin: 0;
    color: var(--text-color);
    line-height: 1.5;
}

.project-period {
    font-size: 0.78rem;
    color: var(--text-secondary-color);
    margin: 4px 0 8px;
}

.project-card p,
.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary-color);
    margin-top: 0;
    line-height: 1.7;
    flex-grow: 1;
}

.service-card i {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.content-card {
    padding: 10px;
    line-height: 2;
}

.philosophy-card,
.about-skills,
.about-pm {
    margin-top: 28px;
    padding: 20px;
    background: var(--light-color);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.philosophy-card h3,
.about-skills h3,
.about-pm h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-secondary-color);
    padding: 40px;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.tag {
    background: rgba(58, 123, 213, 0.12);
    color: var(--primary-color);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 600;
}