/* ============================================================================
   MOTODRIVES ENHANCED STYLES
   Modern, responsive design with advanced animations and effects
   ============================================================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================================================ */

:root {
    /* Primary Color Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Secondary Color Palette */
    --secondary-50: #ecfdf5;
    --secondary-100: #d1fae5;
    --secondary-200: #a7f3d0;
    --secondary-300: #6ee7b7;
    --secondary-400: #34d399;
    --secondary-500: #10b981;
    --secondary-600: #059669;
    --secondary-700: #047857;
    --secondary-800: #065f46;
    --secondary-900: #064e3b;

    /* Neutral Color Palette */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic Colors */
    --success-500: #10b981;
    --warning-500: #f59e0b;
    --error-500: #ef4444;
    --info-500: #3b82f6;

    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    color: var(--gray-900);
}

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(--space-4);
    color: var(--gray-600);
    line-height: 1.7;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

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

/* ============================================================================
   LAYOUT & CONTAINERS
   ============================================================================ */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-lg {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

/* Grid Utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.gap-4 { gap: var(--space-4); }
gap-6 { gap: var(--space-6); }
gap-8 { gap: var(--space-8); }
gap-10 { gap: var(--space-10); }

/* ============================================================================
   BUTTONS & INTERACTIVE ELEMENTS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: var(--font-size-base);
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-700), var(--secondary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* Button Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: var(--error-500);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
}

.form-full {
    grid-column: 1 / -1;
}

/* Checkbox and Radio */
.checkbox,
.radio {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.checkbox input,
.radio input {
    width: auto;
    margin: 0;
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */

header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-600);
    text-decoration: none;
    transition: var(--transition-base);
}

.logo:hover {
    color: var(--primary-700);
    transform: scale(1.05);
}

.logo span {
    color: var(--secondary-600);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

.nav-links a {
    color: var(--gray-700);
    font-weight: 500;
    text-decoration: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 80%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--gray-700);
    transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
    color: var(--primary-600);
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: white;
    padding: var(--space-24) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================================
   CARDS & COMPONENTS
   ============================================================================ */

.card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    transform: scaleX(0);
    transition: var(--transition-base);
}

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

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

.card-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
    display: block;
}

.card h3 {
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.card p {
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

.card ul {
    list-style: none;
    margin-bottom: var(--space-6);
}

.card li {
    padding: var(--space-2) 0;
    color: var(--gray-600);
    position: relative;
    padding-left: var(--space-6);
}

.card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-500);
    font-weight: bold;
}

/* Product Cards */
.product-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    border: 1px solid var(--gray-100);
}

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

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: var(--gray-100);
}

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

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

.product-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--secondary-500);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.product-content {
    padding: var(--space-6);
}

.product-category {
    color: var(--primary-600);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.product-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.product-description {
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.spec-item {
    background: var(--gray-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--gray-700);
}

.product-price {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-4);
}

.product-actions {
    display: flex;
    gap: var(--space-3);
}

/* Blog Cards */
.blog-post {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    margin-bottom: var(--space-8);
}

.blog-post:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.blog-image {
    height: 300px;
    overflow: hidden;
}

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

.blog-post:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--space-8);
}

.blog-meta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.blog-category {
    background: var(--primary-100);
    color: var(--primary-700);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.blog-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.blog-author {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: var(--space-4);
}

.blog-excerpt {
    color: var(--gray-600);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.blog-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Gallery Items */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
}

.gallery-item {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.gallery-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-info {
    padding: var(--space-6);
}

.gallery-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.gallery-category {
    color: var(--primary-600);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.gallery-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================================================
   GRID LAYOUTS
   ============================================================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.industry-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--gray-100);
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.industry-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
}

.industry-card h3 {
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.industry-card p {
    color: var(--gray-600);
}

/* ============================================================================
   ADMIN PANEL STYLES
   ============================================================================ */

.admin-container {
    display: flex;
    min-height: 100vh;
    background: var(--gray-50);
}

.admin-sidebar {
    width: 280px;
    background: var(--gray-900);
    color: white;
    padding: var(--space-8) var(--space-6);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.admin-sidebar h2 {
    color: white;
    margin-bottom: var(--space-8);
    font-size: var(--font-size-xl);
    text-align: center;
}

.admin-menu {
    list-style: none;
}

.admin-menu li {
    margin-bottom: var(--space-2);
}

.admin-menu a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    text-decoration: none;
    position: relative;
}

.admin-menu a:hover,
.admin-menu a.active {
    background: var(--primary-600);
    color: white;
    transform: translateX(4px);
}

.admin-main {
    flex: 1;
    margin-left: 280px;
    padding: var(--space-8);
    background: var(--gray-50);
}

.admin-header {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-section {
    display: none;
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.admin-section.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-600);
    transition: var(--transition-base);
}

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

.stat-card h3 {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-600);
    line-height: 1;
}

/* Data Tables */
.data-table {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th,
td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:hover {
    background: var(--gray-50);
}

.action-buttons {
    display: flex;
    gap: var(--space-2);
}

.btn-edit {
    background: var(--info-500);
    color: white;
}

.btn-delete {
    background: var(--error-500);
    color: white;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background: var(--success-500);
    color: white;
}

.badge-warning {
    background: var(--warning-500);
    color: white;
}

.badge-danger {
    background: var(--error-500);
    color: white;
}

/* ============================================================================
   MODAL STYLES
   ============================================================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    animation: slideUp 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6) var(--space-8);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    margin: 0;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--gray-500);
    transition: var(--transition-base);
}

.modal-close:hover {
    color: var(--gray-700);
}

.modal-body {
    padding: var(--space-8);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-8);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* ============================================================================
   TOAST NOTIFICATIONS
   ============================================================================ */

.toast {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    background: white;
    color: var(--gray-800);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    transform: translateX(400px);
    transition: var(--transition-base);
    border-left: 4px solid var(--primary-600);
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--success-500);
}

.toast.error {
    border-left-color: var(--error-500);
}

.toast.warning {
    border-left-color: var(--warning-500);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-20) 0 var(--space-8);
    margin-top: var(--space-20);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
}

.footer-section p {
    color: var(--gray-300);
    margin-bottom: var(--space-4);
}

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

.footer-section li {
    margin-bottom: var(--space-2);
}

.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-section a:hover {
    color: var(--primary-400);
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-full);
    color: white;
    text-decoration: none;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
    /* Mobile Navigation */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--space-4);
        box-shadow: var(--shadow-lg);
        border-radius: var(--radius-lg);
        margin-top: var(--space-2);
    }

    .nav-links.active {
        display: flex;
    }

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

    /* Mobile Hero */
    .hero {
        padding: var(--space-16) 0;
    }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .hero p {
        font-size: var(--font-size-lg);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* Mobile Grid */
    .features-grid,
    .product-grid,
    .industry-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    /* Mobile Admin Panel */
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .admin-main {
        margin-left: 0;
    }

    /* Mobile Cards */
    .card,
    .product-card,
    .blog-post {
        margin-bottom: var(--space-6);
    }

    /* Mobile Tables */
    .data-table {
        overflow-x: scroll;
    }

    table {
        min-width: 600px;
    }

    /* Mobile Modal */
    .modal-content {
        width: 95%;
        margin: var(--space-4);
    }

    /* Mobile Toast */
    .toast {
        right: var(--space-4);
        bottom: var(--space-4);
        left: var(--space-4);
        max-width: none;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .container {
        padding: 0 var(--space-4);
    }

    .hero h1 {
        font-size: var(--font-size-2xl);
    }

    .hero p {
        font-size: var(--font-size-base);
    }

    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-sm);
    }

    .section {
        padding: var(--space-16) 0;
    }
}

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

/* Fade In Animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Slide Up Animation */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Glow Effect */
.glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
    to { box-shadow: 0 0 30px rgba(59, 130, 246, 0.6); }
}

/* Floating Animation */
.floating {
    animation: floating 3s ease-in-out infinite;
}

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

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Spacing */
.m-0 { margin: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.p-4 { padding: var(--space-4); }
.p-8 { padding: var(--space-8); }

/* Display */
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Z-index */
.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 */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    header,
    footer,
    .btn,
    .admin-sidebar,
    .mobile-menu-toggle {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .hero {
        background: none !important;
        color: black !important;
    }

    .card,
    .product-card,
    .blog-post {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ccc;
    }
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-600);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid var(--gray-300);
    }
}

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

/* ============================================================================
   DARK MODE SUPPORT (Future Enhancement)
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #111827;
        --gray-100: #1f2937;
        --gray-200: #374151;
        --gray-300: #4b5563;
        --gray-400: #6b7280;
        --gray-500: #9ca3af;
        --gray-600: #d1d5db;
        --gray-700: #e5e7eb;
        --gray-800: #f3f4f6;
        --gray-900: #f9fafb;
    }
    
    body {
        background-color: var(--gray-50);
        color: var(--gray-800);
    }
    
    .card,
    .product-card,
    .blog-post,
    .admin-header,
    .admin-section {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
}