/* ---- Skills Section ---- */
.portfolio-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--portfolio-dark-lighter);
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
    cursor: pointer;
}

.portfolio-skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 168, 232, 0.3);
}

.portfolio-skill-icon-wrapper {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.portfolio-skill-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.portfolio-skill-card:hover .portfolio-skill-icon {
    filter: grayscale(0%);
}

.portfolio-skill-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.portfolio-skill-bar-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.portfolio-skill-bar {
    height: 100%;
    background: var(--portfolio-gradient);
    border-radius: 2px;
    transition: width 1.5s ease-out;
    width: 0;
}

.portfolio-skill-bar.animated {
    /* Width set via inline style */
}

.portfolio-skill-level {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.375rem;
    font-weight: 500;
}


/* Skill category headers */
.portfolio-skill-category-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--portfolio-blue-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--portfolio-blue);
    display: inline-block;
}