/* ==========================================================================
   OFFRUZE - GLOBAL STYLES
   ========================================================================== */

/* 
   Smooth scroll behavior dla nawigacji
*/
html {
    scroll-behavior: smooth;
}

/* Utrzymanie oryginalnych właściwości Material Symbols */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Animowany gradient na buttonach */
.kinetic-gradient {
    background: linear-gradient(135deg, #a0c9ff 0%, #1e73be 100%);
}

/* Ukrycie natywnego scrollbara powielane z prototypu */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

/* ==========================================================================
   INTERAKCJE JS (NAV, MOBILE, OBSERVER)
   ========================================================================== */

/* Klasa dla szklistego / aktywnego Navigation Bar'u po scrollu */
.nav-scrolled {
    background: rgba(9, 9, 11, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Mobile Menu Transition (Hamburger) */
#mobile-menu {
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out, transform 0.3s ease-in-out;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
}

#mobile-menu.flex {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   ANIMACJE FADE-IN (Intersection Observer)
   ========================================================================== */

/* Stan początkowy dla animowanych elementów */
.fade-in-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

/* Stan końcowy (klasa dodawana w JS po dowiezieniu elementu w viewport) */
.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Opcjonalne delikatne opóźnienia, by elementy w wierszu pojawiały się po kolei */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* ==========================================================================
   SKELETON LOADING
   ========================================================================== */

@keyframes skeleton-loading {
    0% { background-color: rgba(255, 255, 255, 0.05); }
    100% { background-color: rgba(255, 255, 255, 0.1); }
}

.skeleton {
    animation: skeleton-loading 1s linear infinite alternate;
}

.skeleton-text {
    height: 1rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

.skeleton-badge {
    width: 60px;
    height: 18px;
    border-radius: 9999px;
}

.skeleton-button {
    height: 48px;
    border-radius: 0.75rem;
}