/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes expandWidth {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(131, 89, 207, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(131, 89, 207, 0.6), 0 0 60px rgba(102, 126, 234, 0.4);
    }
}

@keyframes floatSlow {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Glowing text animation */
@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(131, 89, 207, 0.5),
                     0 0 20px rgba(131, 89, 207, 0.3);
    }
    50% {
        text-shadow: 0 0 20px rgba(131, 89, 207, 0.8),
                     0 0 40px rgba(131, 89, 207, 0.5),
                     0 0 60px rgba(102, 126, 234, 0.3);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 48px;
    }
    
    .stat-number {
        font-size: 40px;
    }
    
    .countdown-number {
        font-size: 48px;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: flex !important;
    }
    
    .nav-links.active {
        display: flex !important;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-bg);
        border-top: 1px solid var(--border-color);
        padding: 20px;
        gap: 12px;
        z-index: 1000;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .stats-card {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-divider {
        width: 80%;
        height: 2px;
    }
    
    .countdown {
        gap: 20px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-actions {
        gap: 8px;
    }
    
    .nav-action span {
        display: none;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-item i {
        font-size: 24px;
    }
    
    .promo-title {
        font-size: 36px;
    }
    
    .countdown-number {
        font-size: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .stats-card {
        padding: 30px 20px;
    }
    
    .promo-card {
        padding: 40px 20px;
    }
    
    .countdown {
        gap: 12px;
    }
    
    .countdown-number {
        font-size: 32px;
    }
    
    .countdown-label {
        font-size: 11px;
    }
    
    .chat-widget {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 40px; }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.fade-in {
    animation: fadeInUp 0.6s ease;
}

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

.bounce {
    animation: bounce 1s ease-in-out infinite;
}