/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #FF6B9D;
    --primary-dark: #E55A8A;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-color: #E1E8ED;
    --success-color: #2ECC71;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Header Styles
   ============================================ */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    gap: var(--spacing-md);
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    transition: transform var(--transition-base);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-text {
    color: var(--text-dark);
    transition: color var(--transition-base);
}

.logo-text-accent {
    color: var(--primary-color);
    margin-left: 4px;
}

.logo-link:hover .logo-text {
    color: var(--primary-color);
}

.logo-link:hover .logo-text-accent {
    color: var(--secondary-color);
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo-img:hover {
    transform: scale(1.05);
}

.header-nav {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.search-btn,
.cart-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--text-dark);
    transition: color var(--transition-fast);
    position: relative;
}

.search-btn:hover,
.cart-btn:hover {
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* ============================================
   Burger Menu Styles
   ============================================ */
.burger-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: transform var(--transition-base);
}

.burger-line {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.burger-menu-btn.active .burger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.burger-menu-btn.active .burger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.burger-menu-btn.active .burger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    background: var(--bg-white);
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: var(--spacing-2xl) var(--spacing-lg);
    padding-top: calc(var(--spacing-2xl) + 60px);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    transition: all var(--transition-base);
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu.active .mobile-nav-link {
    animation: slideInRight 0.4s ease forwards;
}

.mobile-menu.active .mobile-nav-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-menu.active .mobile-nav-link:nth-child(2) { animation-delay: 0.15s; }
.mobile-menu.active .mobile-nav-link:nth-child(3) { animation-delay: 0.2s; }
.mobile-menu.active .mobile-nav-link:nth-child(4) { animation-delay: 0.25s; }
.mobile-menu.active .mobile-nav-link:nth-child(5) { animation-delay: 0.3s; }

.mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--primary-color);
    border-radius: 0 2px 2px 0;
    transition: height var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
    background: #FFE5F1;
    color: var(--primary-color);
    padding-left: calc(var(--spacing-md) + 8px);
}

.mobile-nav-link:hover::before,
.mobile-nav-link:active::before {
    height: 60%;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #FFE5F1 0%, #E8F5F3 100%);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: var(--accent-color);
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 0.8s ease;
}

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

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.title-word {
    display: inline-block;
    animation: bounceIn 0.6s ease backwards;
}

.title-word:nth-child(1) { animation-delay: 0.1s; }
.title-word:nth-child(2) { animation-delay: 0.2s; }
.title-word:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(-50px);
    }
    50% {
        transform: scale(1.05) translateY(0);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.title-word.highlight {
    color: var(--primary-color);
    position: relative;
}

.title-word.highlight::after {
    content: '✨';
    position: absolute;
    right: -30px;
    top: -10px;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.5; transform: scale(1.2) rotate(180deg); }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* ============================================
   Filters Section
   ============================================ */
.filters-section {
    background: var(--bg-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background var(--transition-base);
}

.filter-toggle:hover {
    background: var(--primary-dark);
}

.filters-content {
    margin-top: var(--spacing-md);
    display: none;
}

.filters-content.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.filter-group {
    margin-bottom: var(--spacing-md);
}

.filter-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    background: var(--bg-light);
    transition: all var(--transition-fast);
}

.filter-checkbox:hover {
    background: #FFE5F1;
}

.filter-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* ============================================
   Promotions Section
   ============================================ */
.promotions-section {
    padding: var(--spacing-2xl) 0;
}

.promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.promotion-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    animation: fadeIn 0.5s ease backwards;
    display: flex;
    flex-direction: column;
}

.promotion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.promotion-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.promotion-card:hover::before {
    transform: scaleX(1);
}

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

.promotion-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    z-index: 2;
    animation: pulse 2s ease-in-out infinite;
}

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

.promotion-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #FFE5F1 0%, #E8F5F3 100%);
}

.promotion-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.promotion-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    line-height: 1.4;
}

.promotion-dates {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.promotion-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.timer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xs);
    background: #FFE5F1;
    border-radius: 8px;
    min-width: 50px;
}

.timer-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
}

.timer-label {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.promotion-link {
    display: inline-block;
    width: 100%;
    text-align: center;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background var(--transition-base);
    margin-top: auto;
}

.promotion-link:hover {
    background: var(--primary-dark);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.pagination-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 40px;
    text-align: center;
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

.pagination-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Newsletter Section
   ============================================ */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: var(--spacing-2xl) 0;
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 2s ease-in-out infinite;
}

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

.newsletter-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.newsletter-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-input {
    flex: 1;
    min-width: 250px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-base);
    outline: none;
}

.newsletter-btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--accent-color);
    color: var(--text-dark);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.newsletter-btn:hover {
    transform: scale(1.05);
}

.newsletter-privacy {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--accent-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Mobile (320px - 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-2xl: 2rem;
        --spacing-xl: 1.5rem;
    }

    .header-top {
        flex-wrap: wrap;
        padding: var(--spacing-sm) 0;
    }

    .header-nav {
        display: none;
    }

    .burger-menu-btn {
        display: flex;
    }

    .mobile-menu-overlay {
        display: block;
    }

    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .hero {
        min-height: 300px;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }

    .promotions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-input {
        width: 100%;
        min-width: auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Tablet (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .promotions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-nav {
        display: none;
    }

    .burger-menu-btn {
        display: flex;
    }

    .mobile-menu-overlay {
        display: block;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .scroll-to-top {
        bottom: 25px;
        right: 25px;
        width: 48px;
        height: 48px;
    }
}

/* Desktop (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .promotions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Desktop (1025px - 1920px) */
@media (min-width: 1025px) {
    .promotions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* Extra Large (1920px+) */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }

    .promotions-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

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

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.8);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.scroll-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.scroll-to-top:active {
    transform: translateY(-2px) scale(1.05);
    background: var(--primary-dark);
}

.scroll-to-top:focus {
    outline: 3px solid rgba(255, 107, 157, 0.3);
    outline-offset: 2px;
}

.scroll-to-top svg {
    transition: transform 0.3s ease;
    pointer-events: none;
    user-select: none;
}

.scroll-to-top:hover svg {
    transform: translateY(-2px);
}

/* Pulse animation for attention */
@keyframes pulseButton {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(255, 107, 157, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(255, 107, 157, 0.6), 0 0 0 8px rgba(255, 107, 157, 0.1);
    }
}

.scroll-to-top.visible {
    animation: pulseButton 2s ease-in-out infinite;
}

.scroll-to-top:hover {
    animation: none;
}