/* Professional IT Skills Section Styling */

.it-skills-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(13, 13, 35, 0.3) 0%, rgba(26, 26, 58, 0.3) 100%);
    border-radius: 20px;
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

.it-skills-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Skills Header */
.skills-header {
    position: relative;
    z-index: 2;
    margin-bottom: 4rem;
}

.skills-title {
    font-size: 3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.skills-subtitle {
    font-size: 1.2rem;
    color: #b8bcc8;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 2;
}

/* Skill Categories */
.skill-category {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.category-icon {
    font-size: 2rem;
    color: #667eea;
    margin-right: 1rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: #fff;
    margin: 0;
}

/* Skills Container */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Individual Skill Items */
.skill-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    margin-right: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 10px;
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.skill-content {
    flex: 1;
}

.skill-name {
    font-size: 1.2rem;
    font-weight: 500;
    color: #fff;
    margin: 0 0 0.5rem 0;
}

.skill-level {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.level-text {
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 80px;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-align: center;
}

/* Skill Level Colors */
.skill-item.expert .level-text {
    background: rgba(220, 38, 127, 0.2);
    color: #ff6b9d;
    border: 1px solid rgba(220, 38, 127, 0.3);
}

.skill-item.specialist .level-text {
    background: rgba(255, 193, 7, 0.2);
    color: #ffd93d;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.skill-item.skilled .level-text {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.skill-item.average .level-text {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

/* Level Bar */
.level-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.level-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 1.5s ease-in-out;
    position: relative;
    overflow: hidden;
}

.skill-item.expert .level-fill {
    background: linear-gradient(90deg, #667eea 0%, #f093fb 100%);
}

.skill-item.specialist .level-fill {
    background: linear-gradient(90deg, #ffd93d 0%, #ff9a9e 100%);
}

.skill-item.skilled .level-fill {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.skill-item.average .level-fill {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

/* Animated progress fill */
.level-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.skill-description {
    font-size: 0.9rem;
    color: #b8bcc8;
    margin: 0;
    line-height: 1.4;
}

/* Skills Legend */
.skills-legend {
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 2;
}

.legend-title {
    font-size: 1.3rem;
    font-weight: 500;
    color: #fff;
    margin-bottom: 1.5rem;
    text-align: center;
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.legend-indicator {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    flex-shrink: 0;
}

.legend-indicator.expert {
    background: linear-gradient(90deg, #667eea 0%, #f093fb 100%);
}

.legend-indicator.specialist {
    background: linear-gradient(90deg, #ffd93d 0%, #ff9a9e 100%);
}

.legend-indicator.skilled {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.legend-indicator.average {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

.legend-text {
    font-size: 0.9rem;
    color: #b8bcc8;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-title {
        font-size: 2rem;
    }
    
    .skill-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .skill-icon {
        margin: 0;
    }
    
    .skill-level {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .level-bar {
        width: 100%;
    }
    
    .legend-items {
        grid-template-columns: 1fr;
    }
}

/* Animation on scroll */
.skill-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.skill-item:nth-child(1) { animation-delay: 0.1s; }
.skill-item:nth-child(2) { animation-delay: 0.2s; }
.skill-item:nth-child(3) { animation-delay: 0.3s; }
.skill-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Progress bar animation */
.level-fill[data-level] {
    width: 0%;
}

.level-fill.animate {
    width: var(--level-width);
}