/* Technical Expertise Section Styling */
:root {
    --skill-primary: var(--accent-color);
    --skill-border: rgba(255, 255, 255, 0.05);
    --skill-hover-border: rgba(255, 255, 255, 0.1);
    --skill-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --skill-hover-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
    --skill-bg: rgba(255, 255, 255, 0.02);
    --skill-hover-bg: rgba(255, 255, 255, 0.04);
    --skill-transition: all 0.3s ease;
}

/* Skills Section Container */
.skills-section {
    padding: 6rem 3rem;
    background: linear-gradient(
        to bottom,
        rgba(26, 26, 26, 0.95),
        var(--primary-color)
    );
    position: relative;
    overflow: hidden;
}

/* Section subtitle - matches project section */
.skills-section .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

/* Background Element */
.skills-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 85% 30%, rgba(var(--accent-color-rgb), 0.04) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
}

/* Add subtle geometric shapes in the background for extra visual interest */
.skills-section::after {
    content: '';
    position: absolute;
    bottom: 5%;
    left: 5%;
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    opacity: 0.2;
    z-index: 0;
    pointer-events: none;
}

/* Skills Container */
.skills-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 2rem 0;
    position: relative;
    z-index: 1;
}

/* Skill Category - with fade-in animation */
.skill-category {
    background: var(--skill-bg);
    border: 1px solid var(--skill-border);
    border-radius: 12px;
    padding: 1.8rem;
    transition: var(--skill-transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--skill-shadow);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

/* Fade in animation for skill categories */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger the animation for each category */
.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.2s; }
.skill-category:nth-child(3) { animation-delay: 0.3s; }
.skill-category:nth-child(4) { animation-delay: 0.4s; }
.skill-category:nth-child(5) { animation-delay: 0.5s; }
.skill-category:nth-child(6) { animation-delay: 0.6s; }
.skill-category:nth-child(7) { animation-delay: 0.7s; }

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--skill-hover-shadow);
    border-color: var(--skill-hover-border);
}

/* Add a subtle gradient overlay on hover */
.skill-category::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(var(--accent-color-rgb), 0.03) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.skill-category:hover::after {
    opacity: 1;
}

/* Category Header */
.skill-category h3 {
    color: var(--accent-color);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.skill-category h3 i {
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem;
    border-radius: 8px;
    color: var(--accent-color);
}

/* Skill List */
.skill-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* Skill Item */
.skill-item {
    padding: 1rem;
    border-radius: 10px;
    transition: var(--skill-transition);
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    margin-bottom: 0.8rem;
    z-index: 1;
    overflow: hidden;
}

.skill-item:hover {
    background: var(--skill-hover-bg);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    border-color: rgba(var(--accent-color-rgb), 0.1);
}

/* Add a subtle glow effect on hover */
.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.05) 50%,
        transparent 100%
    );
    transition: left 0.7s ease;
    z-index: -1;
}

.skill-item:hover::before {
    left: 150%;
}

.skill-item:last-child {
    margin-bottom: 0;
}

/* Skill Header */
.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Skill Name */
.skill-name {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--skill-transition);
    position: relative;
    padding-left: 0.3rem;
}

/* Add subtle indicator before the skill name */
.skill-name::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 15px;
    background: var(--accent-color);
    border-radius: 3px;
    opacity: 0.7;
    transition: var(--skill-transition);
}

.skill-item:hover .skill-name::before {
    height: 20px;
    opacity: 1;
}

/* Proficiency Tags */
.proficiency {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.3rem 0.9rem;
    border-radius: 30px;
    letter-spacing: 0.5px;
    transition: var(--skill-transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 5px;
}

.proficiency::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.skill-item:hover .proficiency {
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.proficiency.beginner {
    color: #ffd700;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.15));
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.proficiency.intermediate {
    color: #00bfff;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1), rgba(0, 191, 255, 0.15));
    border: 1px solid rgba(0, 191, 255, 0.2);
}

.proficiency.intermediate::before {
    animation-duration: 2.5s;
}

.proficiency.advanced {
    color: #00d364;
    background: linear-gradient(135deg, rgba(0, 211, 100, 0.1), rgba(0, 211, 100, 0.18));
    border: 1px solid rgba(0, 211, 100, 0.25);
}

.proficiency.advanced::before {
    animation-duration: 2s;
}

.proficiency.expert {
    color: var(--accent-color);
    background: linear-gradient(135deg, rgba(var(--accent-color-rgb), 0.1), rgba(var(--accent-color-rgb), 0.15));
    border: 1px solid rgba(var(--accent-color-rgb), 0.25);
    font-weight: 600;
}

.proficiency.expert::before {
    animation-duration: 1.5s;
}

/* Media Queries */
@media (max-width: 768px) {
    .skills-section {
        padding: 4rem 1.5rem;
    }
    
    .skills-container {
        gap: 2rem;
    }
    
    .skill-category h3 {
        font-size: 1.3rem;
    }
    
    .skill-name {
        font-size: 1rem;
    }
}