/* Explain: Layout styles for fading, staggering, scrollbar, and custom cursor effects. */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger grid elemente (Dinamički ulazak blokova redom) */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.stagger-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.stagger-delay-1 { transition-delay: 0.1s; }
.stagger-delay-2 { transition-delay: 0.2s; }
.stagger-delay-3 { transition-delay: 0.3s; }
.stagger-delay-4 { transition-delay: 0.4s; }
.stagger-delay-5 { transition-delay: 0.5s; }
.stagger-delay-6 { transition-delay: 0.6s; }
.stagger-delay-7 { transition-delay: 0.7s; }
.stagger-delay-8 { transition-delay: 0.8s; }
.stagger-delay-9 { transition-delay: 0.9s; }

/* Brže učitavanje i resetiranje odgađanja modula na mobilnim uređajima */
@media (max-width: 767px) {
    .stagger-delay-1, .stagger-delay-2, .stagger-delay-3, 
    .stagger-delay-4, .stagger-delay-5, .stagger-delay-6, 
    .stagger-delay-7, .stagger-delay-8, .stagger-delay-9 {
        transition-delay: 0.1s !important;
    }
    .fade-in-section, .stagger-item {
        transition-duration: 0.5s !important;
    }
}

/* Osiguranje da sadržaj počinje podno fiksnog headera bez ogromnih praznina */
main {
    padding-top: 72px;
}
@media (min-width: 1024px) {
    main {
        padding-top: 104px;
    }
}

/* Custom webkit scrollbar za unutrašnje blockove forme (npr. summary) */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: var(--surface-color);
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--border-color);
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Suptilna svjetlost koja prati miš (Mouse Glow) - GPU ubrzano */
#mouse-glow {
    position: fixed;
    top: -400px;
    left: -400px;
    width: 800px;
    height: 800px;
    border-radius: 50% !important;
    background: radial-gradient(circle, color-mix(in srgb, var(--primary-color) 6%, transparent) 0%, transparent 60%);
    pointer-events: none;
    z-index: 99;
    opacity: 0;
    transition: opacity 0.6s ease;
    will-change: transform;
}
#mouse-glow.active {
    opacity: 1;
}

/* Prilagođeni DOM kružić miš */
#custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 999999;
    opacity: 0;
    transition: opacity 0.3s ease;
    will-change: transform;
}
#custom-cursor.active {
    opacity: 1;
}
#custom-cursor .cursor-inner {
    width: 24px;
    height: 24px;
    margin-left: -12px;
    margin-top: -12px;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 0 !important;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.2s, background-color 0.2s, border-width 0.2s;
    will-change: transform;
    position: relative;
    box-shadow: 0 0 10px rgba(109, 40, 217, 0.2) !important;
}
#custom-cursor .cursor-inner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background-color: var(--primary-color);
    transform: translate(-50%, -50%);
    transition: background-color 0.2s;
}
#custom-cursor .cursor-inner.hovering {
    transform: scale(1.3) rotate(45deg);
    border-color: var(--accent-color);
    border-width: 1px;
}
#custom-cursor .cursor-inner.hovering::after {
    background-color: var(--accent-color);
}
#custom-cursor .cursor-inner.hover-on-accent {
    border-color: #0a0a0a !important;
}
#custom-cursor .cursor-inner.hover-on-accent::after {
    background-color: #0a0a0a !important;
}
#custom-cursor .cursor-inner.clicking {
    transform: scale(0.8) rotate(45deg);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}