/* Premium Skills Interactions */

/* Category Header */
.skill-category {
    margin-bottom: 2rem;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.category-header h4 {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.15rem;
    text-transform: uppercase;
}

/* Animated Progress Dots */
.progress-dots {
    display: flex;
    gap: 6px;
}

.progress-dots .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.progress-dots .dot.active {
    background: rgba(0, 255, 255, 0.8);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
}

/* Stagger dot animation on hover of category */
.skill-category:hover .progress-dots .dot.active {
    animation: pulseDot 0.6s alternate;
}
.skill-category:hover .progress-dots .dot.active:nth-child(1) { animation-delay: 0.1s; }
.skill-category:hover .progress-dots .dot.active:nth-child(2) { animation-delay: 0.2s; }
.skill-category:hover .progress-dots .dot.active:nth-child(3) { animation-delay: 0.3s; }
.skill-category:hover .progress-dots .dot.active:nth-child(4) { animation-delay: 0.4s; }
.skill-category:hover .progress-dots .dot.active:nth-child(5) { animation-delay: 0.5s; }

@keyframes pulseDot {
    0% { transform: scale(1); box-shadow: 0 0 8px rgba(0, 255, 255, 0.5); }
    50% { transform: scale(1.5); box-shadow: 0 0 12px rgba(0, 255, 255, 0.8); background: #fff; }
    100% { transform: scale(1); box-shadow: 0 0 8px rgba(0, 255, 255, 0.5); }
}

/* Animated Separator */
.category-separator {
    height: 1px;
    width: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.category-separator::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,255,255,0.8), transparent);
    transition: left 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.skill-category:hover .category-separator::after {
    left: 100%;
    transition: left 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Icons Container */
.category-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

/* Icon Interactions */
.category-icons .skill-item {
    position: relative;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    cursor: pointer;
    perspective: 1000px;
}

.category-icons .skill-item img {
    width: 60%;
    height: auto;
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.category-icons .skill-item.needs-white-bg img {
    background: white;
    padding: 2px;
    border-radius: 6px;
}

/* Hover: Lift, Tilt, Glow, Shadow */
.category-icons .skill-item:hover {
    transform: translateY(-8px) rotateX(10deg) rotateY(-10deg) scale(1.1);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 255, 255, 0.4);
    box-shadow: 
        -5px 15px 20px rgba(0, 0, 0, 0.4),
        0 0 15px rgba(0, 255, 255, 0.2) inset;
    z-index: 10;
}

.category-icons .skill-item:hover img {
    filter: drop-shadow(0 8px 12px rgba(0,0,0,0.5));
}

/* Smooth Tooltip for Technology Name */
.category-icons .skill-item::after {
    content: attr(data-name);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(15, 17, 21, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 20;
    letter-spacing: 0.05rem;
}

.category-icons .skill-item:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Mobile specific sizing */
@media screen and (max-width: 480px) {
    .category-icons .skill-item {
        width: 40px;
        height: 40px;
    }
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}