/*
 * ANIMATIONS & EFFECTS
 * Дополнительные анимации для улучшения UX
 */

/* ============================================
   FADE IN ANIMATION
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Задержки для последовательной анимации */
.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }

/* ============================================
   PULSE ANIMATION (для badge)
   ============================================ */

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   SHIMMER EFFECT (для loading)
   ============================================ */

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ============================================
   BOUNCE IN
   ============================================ */

@keyframes bounceIn {
    from {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

/* ============================================
   SLIDE IN FROM BOTTOM
   ============================================ */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-up {
    animation: slideInUp 0.4s ease-out;
}

/* ============================================
   SMOOTH SCROLL BEHAVIOR
   ============================================ */

html {
    scroll-behavior: smooth;
}

/* ============================================
   VISIBILITY HELPERS
   ============================================ */

.hidden {
    display: none !important;
}

.invisible {
    opacity: 0;
    visibility: hidden;
}

.visible {
    opacity: 1;
    visibility: visible;
}