:root {
    /* Color Palette - Clean Blue & White (CityServa Style) */
    /* Color Palette - Sirex Orange */
    --primary-color: #ff9900; /* Sirex Orange */
    --primary-dark: #cc7a00;
    --primary-light: #ffb84d;
    
    --secondary-color: #ffc107; /* Amber/Yellow Accent */
    --secondary-dark: #d39e00;
    --accent-color: #ffc107;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    /* Gradients - Subtle or Solid */
    --gradient-primary: linear-gradient(180deg, #ff9900 0%, #cc7a00 100%);
    --gradient-secondary: linear-gradient(180deg, #ffc107 0%, #e0a800 100%);
    --gradient-success: linear-gradient(180deg, #28a745 0%, #218838 100%);
    --gradient-hero: #f8f9fa; /* Light Grey Background for Hero */
    
    /* Neutral Colors */
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa; /* Light Grey */
    --bg-dark: #343a40;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #adb5bd;
    --border-color: #dee2e6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.2rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.3rem;
    --radius-xl: 0.5rem;
    --radius-2xl: 1rem;
    --radius-full: 50rem;
    
    /* Shadows - Subtle */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.05);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Modern Navigation */
.navbar {
    background: white !important;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--primary-color) !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.navbar .nav-link {
    color: var(--text-primary) !important;
    font-weight: 600;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
    position: relative;
}

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

.navbar .nav-link::after {
    display: none; /* Remove the underline effect */
}

/* Search Box */
.search-box {
    position: relative;
}

.search-box input {
    border-radius: var(--radius-full);
    border: none;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.search-box input:focus {
    outline: none;
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
}

.search-box button {
    border-radius: var(--radius-full);
    padding: 0.75rem 1.5rem;
    background: var(--accent-color);
    border: none;
    font-weight: 600;
    transition: var(--transition-base);
}

.search-box button:hover {
    background: #d97706;
    transform: scale(1.05);
}

/* Cart Badge */
.cart-badge {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero-section .btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    position: relative;
    z-index: 1;
    animation: fadeInUp 1.2s ease-out;
}

.hero-section .btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

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

/* Product Cards */
.product-card {
    border: none;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    background: white;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.product-card img {
    height: 300px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.product-card .card-body {
    padding: 1.5rem;
}

.product-card .card-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.product-card .card-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Cards */
.card {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    background: white;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important;
    padding: 1.25rem 1.5rem;
    font-weight: 700;
}

/* Forms */
.form-control, .form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    transition: var(--transition-base);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

/* Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Tables */
.table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead {
    background: var(--bg-secondary);
}

.table thead th {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    padding: 1rem;
    border: none;
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: white;
    margin-top: auto;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

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

/* Container Improvements */
.container {
    max-width: 1200px;
}

/* Section Spacing */
section {
    padding: 3rem 0;
}

h3 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.75rem;
}

h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}