/* ========================================
   AVANTAJMARKET MODERN CSS FRAMEWORK
   Professional E-commerce Design System
   ======================================== */

/* ========================================
   CSS CUSTOM PROPERTIES (Variables)
   ======================================== */
:root {
    /* Primary Colors */
    --primary-orange: #fd5901;
    --primary-orange-light: #ff7029;
    --primary-orange-dark: #e04f00;
    --primary-orange-hover: #ea5302;
    
    /* Secondary Colors */
    --secondary-dark: #151c25;
    --secondary-dark-light: #2c3e50;
    --secondary-gray: #6c757d;
    --secondary-light: #f8f9fa;
    
    /* Accent Colors */
    --accent-blue: #007bff;
    --accent-green: #28a745;
    --accent-red: #dc3545;
    --accent-yellow: #ffc107;
    
    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #8c8c8c;
    --text-light: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-dark: #343a40;
    
    /* Border Colors */
    --border-light: #dee2e6;
    --border-medium: #ced4da;
    --border-dark: #6c757d;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --shadow-xl: 0 2rem 4rem rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family-primary: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   GLOBAL STYLES & RESET
   ======================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY SYSTEM
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-light); }
.text-orange { color: var(--primary-orange); }

/* ========================================
   MODERN BUTTON SYSTEM
   ======================================== */
.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    white-space: nowrap;
    user-select: none;
    outline: none;
    min-height: 2.75rem;
    gap: 0.5rem;
}

.btn-modern:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-modern:active {
    transform: translateY(0);
}

.btn-modern:disabled {
    opacity: 0.65;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

/* Button Variants */
.btn-primary {
    color: white;
    background-color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.btn-primary:hover {
    background-color: var(--primary-orange-hover);
    border-color: var(--primary-orange-hover);
    color: white;
}

.btn-secondary {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border-color: var(--border-medium);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-dark);
}

.btn-outline {
    color: var(--primary-orange);
    background-color: transparent;
    border-color: var(--primary-orange);
}

.btn-outline:hover {
    color: white;
    background-color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.btn-ghost {
    color: var(--primary-orange);
    background-color: transparent;
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: rgba(253, 89, 1, 0.1);
    border-color: transparent;
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    min-height: 2.25rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    min-height: 3.25rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   MODERN CARD SYSTEM
   ======================================== */
.card-modern {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-orange);
}

.card-modern .card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.card-modern .card-body {
    padding: var(--spacing-lg);
}

.card-modern .card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    background-color: var(--bg-secondary);
}

/* ========================================
   MODERN FORM CONTROLS
   ======================================== */
.form-control-modern {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-clip: padding-box;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.form-control-modern:focus {
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border-color: var(--primary-orange);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(253, 89, 1, 0.25);
}

.form-control-modern::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.form-control-modern:disabled {
    background-color: var(--bg-tertiary);
    opacity: 1;
}

.form-group-modern {
    margin-bottom: var(--spacing-lg);
}

.form-label-modern {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */
.container-modern {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-4 { gap: var(--spacing-md); }
.gap-6 { gap: var(--spacing-lg); }

/* Margin utilities */
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-6 { margin-bottom: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-4 { margin-top: var(--spacing-md); }
.mt-6 { margin-top: var(--spacing-lg); }

/* Padding utilities */
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-4 { padding: var(--spacing-md); }
.p-6 { padding: var(--spacing-lg); }

.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-4 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-6 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-4 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-6 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* ========================================
   MODERN ANIMATIONS & EFFECTS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-in {
    animation: slideIn var(--transition-normal) ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(253, 89, 1, 0.2),
        transparent
    );
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    to {
        left: 100%;
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
/* Mobile First Approach */
@media (min-width: 576px) {
    .container-modern {
        padding: 0 var(--spacing-xl);
    }
}

@media (min-width: 768px) {
    .btn-modern {
        padding: 0.875rem 1.75rem;
    }
    
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 2rem; }
}

@media (min-width: 992px) {
    .container-modern {
        padding: 0 var(--spacing-2xl);
    }
}

/* ========================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================== */
*:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* ========================================
   MODERN UTILITIES
   ======================================== */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 9999px; }

.shadow { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.bg-white { background-color: var(--bg-primary); }
.bg-gray-50 { background-color: var(--bg-secondary); }
.bg-gray-100 { background-color: var(--bg-tertiary); }
.bg-orange { background-color: var(--primary-orange); }

.border { border: 1px solid var(--border-light); }
.border-gray { border: 1px solid var(--border-medium); }
.border-orange { border: 1px solid var(--primary-orange); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.pointer-events-none { pointer-events: none; }

/* ========================================
   MODERN NAVIGATION MENU
   ======================================== */

.main-navigation {
    background: var(--primary-orange);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: var(--z-dropdown);
    font-family: var(--font-family-primary);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    color: white;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

.nav-link:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.nav-link.highlight {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-link.highlight:hover {
    background: rgba(255, 255, 255, 0.25);
}

.nav-link i {
    font-size: 1.1rem;
}

.dropdown-icon {
    transition: transform var(--transition-normal);
}

.nav-item.active .dropdown-icon,
.nav-item:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* Navigation Badge */
.nav-badge {
    background: #e74c3c;
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    position: absolute;
    top: -5px;
    right: -10px;
    font-weight: var(--font-weight-bold);
    animation: pulse 2s infinite;
}

/* Mega Dropdown */
.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    min-width: 800px;
    padding: var(--spacing-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
    z-index: var(--z-dropdown);
}

.nav-item:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.dropdown-column {
    display: flex;
    flex-direction: column;
}

.dropdown-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-orange);
}

.dropdown-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dropdown-links li {
    margin-bottom: var(--spacing-xs);
}

.dropdown-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
    display: block;
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
    padding-left: var(--spacing-sm);
}

.dropdown-links a:hover {
    color: var(--primary-orange);
    background: var(--bg-secondary);
    padding-left: var(--spacing-md);
    text-decoration: none;
}

/* Featured Category in Dropdown */
.featured-category {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-light));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    color: white;
    height: 100%;
}

.featured-category .dropdown-title {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.featured-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.featured-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.featured-content h5 {
    color: white;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.featured-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.featured-btn {
    background: white;
    color: var(--primary-orange);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

.featured-btn:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    text-decoration: none;
    color: var(--primary-orange);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.nav-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: white;
    text-decoration: none;
}

.action-badge {
    background: #e74c3c;
    color: white;
    font-size: 0.7rem;
    padding: 2px 5px;
    border-radius: 10px;
    position: absolute;
    top: -8px;
    right: -8px;
    font-weight: var(--font-weight-bold);
}

.flag-icon {
    width: 20px;
    height: 15px;
    border-radius: 2px;
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.mobile-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.mobile-nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .mega-dropdown {
        min-width: 700px;
    }
    
    .dropdown-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .dropdown-column.featured {
        grid-column: span 3;
    }
    
    .featured-item {
        flex-direction: row;
        text-align: left;
        gap: var(--spacing-md);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu.mobile-active {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 320px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-2xl);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-modal);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
    }
    
    .nav-menu.mobile-active.show {
        transform: translateX(0);
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
        color: var(--text-primary);
    }
    
    .nav-link:hover {
        background: var(--bg-secondary);
        color: var(--primary-orange);
    }
    
    .mega-dropdown {
        position: static;
        min-width: auto;
        background: var(--bg-secondary);
        margin-top: var(--spacing-sm);
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    
    .nav-item.mobile-dropdown-active .mega-dropdown {
        display: block;
    }
    
    .dropdown-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .mobile-nav-overlay {
        display: block;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-actions {
        gap: var(--spacing-xs);
    }
    
    .nav-action-btn {
        padding: var(--spacing-xs);
    }
}

/* Animation Classes */
.nav-item.animate-in {
    animation: slideInLeft 0.3s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Focus and Accessibility */
.nav-link:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

.nav-action-btn:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link:hover {
        border-color: white;
    }
    
    .mega-dropdown {
        border: 2px solid var(--text-primary);
    }
}

/* ========================================
   MODERN PRODUCT CARDS & SECTIONS
   ======================================== */

/* Section Headers */
.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-orange-light));
    margin: 0 auto;
    border-radius: var(--radius-xl);
}

/* Featured Products Section */
.featured-products-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.featured-products-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(253, 89, 1, 0.02) 50%, transparent 100%);
    pointer-events: none;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

/* Product Card */
.product-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-orange);
}

/* Product Image Container */
.product-image-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--bg-secondary);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

/* Product Badges */
.product-badges {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 3;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-discount {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.badge-new {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
}

.badge-bestseller {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: white;
}

.badge-limited {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
}

.badge-eco {
    background: linear-gradient(135deg, #16a085, #1abc9c);
    color: white;
}

.badge-premium {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: white;
}

/* Product Overlay */
.product-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    opacity: 0;
    transform: translateX(20px);
    transition: all var(--transition-normal);
    z-index: 3;
}

.product-card:hover .product-overlay {
    opacity: 1;
    transform: translateX(0);
}

.btn-action {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-action:hover {
    background: var(--primary-orange);
    color: white;
    transform: scale(1.1);
}

.btn-action i {
    font-size: 1.2rem;
}

/* Product Content */
.product-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    color: var(--primary-orange);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.product-title {
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.product-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-normal);
}

.product-title a:hover {
    color: var(--primary-orange);
}

/* Product Rating */
.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stars {
    display: flex;
    gap: 2px;
}

.stars i {
    color: #ffc107;
    font-size: 0.9rem;
}

.rating-count {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* Product Price */
.product-price {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.current-price {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-orange);
}

.old-price {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-decoration: line-through;
}

.discount-percentage {
    font-size: var(--font-size-xs);
    color: #e74c3c;
    font-weight: var(--font-weight-semibold);
}

.installment-info {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Product Features */
.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.feature {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

/* Product Actions */
.product-actions {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.btn-add-to-cart {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.btn-add-to-cart:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

.btn-add-to-cart.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: loading-shimmer 1s infinite;
}

/* Responsive Design for Product Cards */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--spacing-md);
    }
    
    .product-content {
        padding: var(--spacing-md);
    }
    
    .product-actions {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .product-overlay {
        display: none; /* Hide overlay on mobile for better performance */
    }
    
    .product-badges {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
    }
}

/* Product Card Loading State */
.product-card.loading {
    pointer-events: none;
}

.product-card.loading .product-image {
    opacity: 0.7;
}

.product-card.loading .product-content > * {
    opacity: 0.5;
}

/* Product Card Success Animation */
@keyframes addToCartSuccess {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
        background-color: #27ae60;
    }
    100% {
        transform: scale(1);
    }
}

.product-card .btn-add-to-cart.success {
    animation: addToCartSuccess 0.6s ease-in-out;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    *, *::before, *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .btn-modern {
        border: 1pt solid #000;
        padding: 0.25rem 0.5rem;
    }
}