/* ============================================
   MODERN ANIMATIONS & EFFECTS
   ============================================ */

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

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

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

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

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

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

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

/* Section Animations */
.content-section {
    animation: fadeIn 0.6s ease-out;
}

.section-title {
    animation: slideInLeft 0.8s ease-out;
    position: relative;
    padding-bottom: 15px;
}

/* Removed underline decoration
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color, #ff6b6b);
    border-radius: 2px;
    animation: slideInLeft 1s ease-out;
}
*/

/* Card Animations */
.promotion-card,
.product-card,
.event-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.promotion-card:nth-child(1) { animation-delay: 0.1s; }
.promotion-card:nth-child(2) { animation-delay: 0.2s; }
.promotion-card:nth-child(3) { animation-delay: 0.3s; }
.promotion-card:nth-child(4) { animation-delay: 0.4s; }
.promotion-card:nth-child(5) { animation-delay: 0.5s; }
.promotion-card:nth-child(6) { animation-delay: 0.6s; }

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.15s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.25s; }
.product-card:nth-child(5) { animation-delay: 0.3s; }
.product-card:nth-child(6) { animation-delay: 0.35s; }

.event-card:nth-child(1) { animation-delay: 0.2s; }
.event-card:nth-child(2) { animation-delay: 0.4s; }

/* Hover Effects */
.promotion-card:hover,
.product-card:hover,
.event-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15) !important;
}

.promotion-card:hover .promotion-image,
.product-card:hover .product-image {
    transform: scale(1.1);
}

/* Button Animations */
.btn-apply,
.btn-primary,
.btn-contact {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-apply::before,
.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-apply:hover::before,
.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-apply:active,
.btn-primary:active {
    transform: scale(0.95);
}

/* Category Button Animations */
.category-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* Removed underline decoration
.category-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary-color, #ff6b6b);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.category-btn:hover::after,
.category-btn.active::after {
    width: 80%;
}
*/

.category-btn:hover {
    transform: translateY(-3px);
}

/* Image Animations */
.promotion-image,
.product-image,
.event-media img {
    transition: transform 0.4s ease;
}

/* Banner Animations */
.banner-slide {
    animation: fadeIn 0.8s ease-out;
}

/* Problem Banner Styles */
.problem-banner {
    width: 100%;
    min-height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    margin-bottom: 30px;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    animation: scaleIn 0.6s ease-out;
    transition: all 0.4s ease;
}

.problem-banner:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.problem-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255,255,255,0.1),
        transparent
    );
    animation: shimmer 3s infinite;
}

.problem-banner-content {
    position: relative;
    z-index: 1;
    padding: 40px;
    text-align: center;
    color: white;
}

.problem-icon {
    font-size: 60px;
    margin-bottom: 15px;
    animation: float 3s ease-in-out infinite;
}

.problem-banner-content h3 {
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: bold;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.problem-banner-content p {
    font-size: 18px;
    opacity: 0.95;
    text-shadow: 0 1px 5px rgba(0,0,0,0.2);
}

/* Loading Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading {
    animation: spin 1s linear infinite;
}

/* Gradient Background Animation */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animated-gradient {
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

/* Section Navigation Animation */
.section-btn {
    position: relative;
    transition: all 0.3s ease;
}

.section-btn::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color, #ff6b6b);
    transition: width 0.3s ease;
}

.section-btn.active::before {
    width: 100%;
}

/* Modal Animation */
.modal {
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Ripple Effect */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.6);
    width: 20px;
    height: 20px;
    animation: ripple 0.6s ease-out;
}

/* Shake Animation for Errors */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.shake {
    animation: shake 0.5s ease;
}

/* Glow Effect */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-color, #ff6b6b),
                    0 0 10px var(--primary-color, #ff6b6b);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color, #ff6b6b),
                    0 0 30px var(--primary-color, #ff6b6b);
    }
}

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

/* Stagger Animation for Lists */
.stagger-item {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }

/* Responsive Animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}