.port-wrapper {
    --primary-color: #fac716;
    --primary-dark: #273037;
    --primary-light: #fef9e7;
    --accent-yellow: #ffd84d;
    --text-color: #273037;
    --background-color: #fafafa;
    --link-color: #273037;
    --max-width: 932px;
    --card-width: 445px;
    
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    font-size: 0.8rem;
    background: var(--background-color);
    max-width: 100%;
    overflow-x: hidden;
}

.port-header-wrap {
    background: var(--primary-color);
    width: 100%;
    margin-bottom: 2rem;
}

.port-header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.port-nav-brand {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1rem;
}

.port-nav-links {
    display: flex;
    gap: 1rem;
}

.port-nav-links a {
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.2s;
    text-decoration: none;
}

.port-nav-links a:hover {
    background-color: var(--primary-dark);
    color: var(--primary-color);
}

.port-main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
    box-sizing: border-box;
}

.port-section {
    margin-bottom: 3rem;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(39, 48, 55, 0.05);
    border-top: 4px solid var(--primary-color);
    width: 100%;
    box-sizing: border-box;
}

.port-section-title {
    color: var(--primary-dark);
    font-size: 1rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    font-weight: 600;
}

.port-section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-yellow) 100%);
    border-radius: 2px;
}

/* Filter system */
.port-filter-section {
    background: white;
    border-radius: 12px;
    padding: 1rem 2rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(39, 48, 55, 0.05);
    border-top: 4px solid var(--primary-color);
    width: 100%;
    box-sizing: border-box;
}

.port-filter-container {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.port-filter-label {
    color: var(--primary-dark);
    font-weight: 600;
    white-space: nowrap;
    margin-right: 1rem;
}

.port-filter-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.port-filter-btn:hover {
    background: var(--primary-light);
}

.port-filter-active {
    background: var(--primary-color);
    color: var(--primary-dark);
}

/* Grid layouts */
.port-activity-grid, .port-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 445px));
    gap: 2rem;
    justify-content: center;
}

/* Base card styles */
.port-activity-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.2s;
    border: 1px solid rgba(39, 48, 55, 0.1);
    width: 100%;
    max-width: var(--card-width);
    box-sizing: border-box;
    justify-self: center;
}

.port-activity-card.hidden {
    display: none;
}

.port-education-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.2s;
    border: 1px solid rgba(39, 48, 55, 0.1);
    width: 100%;
    max-width: var(--card-width);
    box-sizing: border-box;
    justify-self: center;
}

.port-activity-card:hover,
.port-education-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(39, 48, 55, 0.1);
    border-color: var(--primary-color);
}

/* Fixed thumbnail container */
.port-thumbnail-container {
    height: 80px;
    box-sizing: border-box;
    margin: 0 0 1.5rem 0;
    padding: 0.5rem 1rem;
    background: white;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-radius: 8px;
    width: 100%;
}

.port-thumbnail {
    max-height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.port-activity-type {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 0.8rem;
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid var(--primary-color);
}

.port-timeline {
    display: flex;
    justify-content: space-between;
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.7rem;
    margin-bottom: 0.8rem;
}

.port-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
}

.port-card-text {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.port-skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.port-skill-tag {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    border: 1px solid var(--primary-color);
}

.port-skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.port-skill-category {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(39, 48, 55, 0.1);
}

.port-skill-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.port-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(39, 48, 55, 0.95);
    z-index: 1000;
    cursor: pointer;
}

.port-modal-content {
    max-width: 90%;
    max-height: 90%;
    margin: auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(250, 199, 22, 0.2);
}

@media (max-width: 932px) {
    .port-activity-grid,
    .port-grid-2col {
        grid-template-columns: 1fr;
    }
    
    .port-activity-card,
    .port-education-card {
        max-width: 100%;
    }

    .port-filter-section {
        padding: 0.8rem 1rem;
    }
    
    .port-filter-container {
        gap: 0.5rem;
    }
    
    .port-filter-label {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .port-filter-btn {
        padding: 0.3rem 0.8rem;
        font-size: 0.75rem;
    }
}