.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.skill-gradient {
    background: linear-gradient(90deg, #2563eb 0%, #06b6d4 100%);
}

.timeline-line {
    width: 2px;
    background: #f1f5f9;
}

.material-symbols-outlined {
    font-variation-settings:
        "FILL" 0,
        "wght" 400,
        "GRAD" 0,
        "opsz" 24;
    vertical-align: middle;
}

#scroll-progress {
    height: 4px;
    background: #2563eb;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: 0%;
    transition: width 0.1s ease-out;
}

.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease-out;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #c3c6d7;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.carousel-dot.active {
    background-color: #004ac6;
}

/* Coverflow Carousel */
.coverflow-carousel {
    position: relative;
    height: 450px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}
.coverflow-item {
    position: absolute;
    width: 100%;
    max-width: 450px;
    transition: all 0.5s ease-in-out;
    opacity: 0;
    pointer-events: none;
    transform: translateX(0) scale(0.8);
    z-index: 0;
}
.coverflow-item.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) scale(1);
    z-index: 20;
}
.coverflow-item.prev {
    opacity: 0.5;
    pointer-events: auto;
    transform: translateX(-65%) scale(0.85);
    z-index: 10;
}
.coverflow-item.next {
    opacity: 0.5;
    pointer-events: auto;
    transform: translateX(65%) scale(0.85);
    z-index: 10;
}
@media (max-width: 768px) {
    .coverflow-carousel { height: 400px; }
    .coverflow-item.prev { transform: translateX(-20%) scale(0.85); opacity: 0; pointer-events: none; }
    .coverflow-item.next { transform: translateX(20%) scale(0.85); opacity: 0; pointer-events: none; }
}