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

html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    transition: all 0.3s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
    height: 100vh;
}

/* Light Theme Variables */
.light-theme {
    --primary-color: #007a7a;
    --accent-color: #e67e22;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-tertiary: #95a5a6;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --overlay: rgba(0, 0, 0, 0.5);
    
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* Dark Theme Variables */
.dark-theme {
    --primary-color: #00a0a0;
    --accent-color: #ff8c42;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --text-tertiary: #6c757d;
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --border-color: #404040;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
    --overlay: rgba(0, 0, 0, 0.7);
    
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* Common Variables */
:root {
    --border-radius: 12px;
    --border-radius-large: 16px;
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --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;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5em;
    line-height: 1.2;
}

h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
}

h2 {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

/* Mobile-first typography */
@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-xl);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-base);
    text-align: center;
    background: transparent;
    user-select: none;
    min-height: 44px;
    min-width: 44px;
    position: relative;
    overflow: hidden;
    gap: var(--spacing-xs);
    box-sizing: border-box;
}

.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:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #005f5f);
    color: var(--bg-primary);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #005f5f, var(--primary-color));
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-color), #d35400);
    color: var(--bg-primary);
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow);
}

.btn-accent:hover:not(:disabled) {
    background: linear-gradient(135deg, #d35400, var(--accent-color));
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    min-height: 56px;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

/* Theme Toggle Button - Fixed Sun Icon */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow);
    flex-shrink: 0;
    z-index: 1002;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.theme-icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.theme-icon svg {
    position: absolute;
    top: 0;
    left: 0;
    transition: var(--transition);
}

/* Light theme - Show sun, hide moon */
.light-theme .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.light-theme .moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.8);
}

/* Dark theme - Hide sun, show moon */
.dark-theme .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.8);
}

.dark-theme .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Header - Fixed Mobile Menu Structure */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

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

.dark-theme .header {
    background: rgba(26, 26, 26, 0.95);
    border-bottom-color: var(--border-color);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1001;
    min-height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 1002;
    flex-shrink: 0;
}

.logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo i {
    font-size: 28px;
    color: var(--primary-color);
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    white-space: nowrap;
    display: block;
}

.mobile-brand-name {
    display: none;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
}

/* Desktop Navigation */
.desktop-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
    background: transparent;
}

.desktop-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    white-space: nowrap;
}

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

.desktop-menu a:hover {
    color: var(--primary-color);
    background: rgba(0, 122, 122, 0.1);
}

.desktop-menu a:hover::after,
.desktop-menu a.active::after {
    width: 100%;
}

/* Mobile Navigation - Fixed */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow);
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    gap: var(--spacing-2xl);
    list-style: none;
    margin: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu li {
    text-align: center;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-fast);
}

.mobile-menu.active li {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu.active li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active li:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active li:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active li:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active li:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active li:nth-child(6) { transition-delay: 0.35s; }

.mobile-menu a {
    display: block;
    font-size: var(--font-size-2xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    width: 80%;
    max-width: 300px;
    border-radius: var(--border-radius-large);
    margin: 0 auto;
    transition: var(--transition-fast);
    background: transparent;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    border: 2px solid transparent;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: rgba(0, 122, 122, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Mobile Menu Toggle - Fixed and Visible */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1002;
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Hamburger Lines - Fixed */
.hamburger-line {
    width: 24px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
    transform-origin: center;
}

.hamburger-line.line-1 {
    transform: translateY(0px);
}

.hamburger-line.line-2 {
    transform: translateY(6px);
}

.hamburger-line.line-3 {
    transform: translateY(12px);
}

/* Active hamburger animation */
.mobile-menu-toggle.active .hamburger-line.line-1 {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line.line-2 {
    opacity: 0;
    transform: translateX(20px);
}

.mobile-menu-toggle.active .hamburger-line.line-3 {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    backdrop-filter: blur(5px);
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2c5aa0 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover;
    opacity: 0.3;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay);
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    z-index: 2;
}

.hero-text h1 {
    color: white;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.hero-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 3;
}

.dark-theme .hero-form {
    background: rgba(26, 26, 26, 0.95);
    border-color: var(--border-color);
}

.hero-form h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.reservation-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select {
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 44px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 122, 0.1);
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #2c5aa0);
    border-radius: 50%;
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
    box-shadow: 0 4px 15px rgba(0, 122, 122, 0.3);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Fleet Section - Enhanced Car Cards */
.fleet {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.car-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.car-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: 2;
}

.car-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.car-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

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

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

.car-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 122, 122, 0.3);
}

.car-details {
    padding: var(--spacing-lg);
    position: relative;
}

.car-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.car-header h3 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    margin: 0;
}

.car-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: #f39c12;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.car-rating i {
    font-size: var(--font-size-sm);
}

.car-specs {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.spec-group {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.spec-item i {
    color: var(--primary-color);
    width: 16px;
    text-align: center;
    font-size: var(--font-size-sm);
}

.car-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.price-daily,
.price-monthly {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reserve-btn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
}

.fleet-cta {
    text-align: center;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.steps-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.steps {
    display: grid;
    gap: var(--spacing-xl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-hover);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), #005f5f);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-xl);
    box-shadow: 0 4px 15px rgba(0, 122, 122, 0.3);
    flex-shrink: 0;
}

.step h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.campaign-card {
    background: linear-gradient(135deg, var(--accent-color), #d35400);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.campaign-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, white, rgba(255,255,255,0.3));
}

.campaign-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.campaign-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    backdrop-filter: blur(10px);
}

.campaign-card h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.campaign-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), #005f5f);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover;
    opacity: 0.1;
}

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

.cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.dark-theme .footer {
    background: var(--bg-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
}

.brand-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.footer-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    padding-left: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.newsletter-form input {
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 44px;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.newsletter-form button {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-size: var(--font-size-lg);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--text-secondary);
    margin: 0;
    flex: 1;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

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

/* Comprehensive Mobile Responsive Design */
@media (max-width: 1024px) {
    .nav {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .hero-content {
        gap: var(--spacing-2xl);
        padding: 0 var(--spacing-lg);
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .fleet-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .steps-container {
        gap: var(--spacing-xl);
        grid-template-columns: 1fr;
    }
    
    .campaign-card {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    /* Navigation - Fixed Mobile Structure */
    .nav {
        padding: var(--spacing-md);
        min-height: 60px;
    }
    
    /* Hide desktop menu, show mobile menu toggle */
    .desktop-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Brand name responsive */
    .brand-name {
        display: none;
    }
    
    .mobile-brand-name {
        display: block;
    }
    
    .logo {
        width: 36px;
        height: 36px;
    }
    
    .logo i {
        font-size: 24px;
    }
    
    .nav-actions {
        gap: var(--spacing-sm);
        order: 3;
    }
    
    .theme-toggle {
        width: 44px;
        height: 44px;
        order: 1;
    }

    /* Hero Section */
    .hero {
        min-height: 90vh;
        padding-top: 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
        padding: 0 var(--spacing-md);
    }

    .hero-form {
        padding: var(--spacing-lg);
        margin-top: var(--spacing-xl);
        background: rgba(255, 255, 255, 0.98);
        order: -1;
    }

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

    /* Sections */
    .features,
    .fleet,
    .how-it-works,
    .cta {
        padding: var(--spacing-2xl) 0;
    }

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

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

    .car-specs {
        margin-bottom: var(--spacing-md);
    }

    .spec-group {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .car-pricing {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .car-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 85vh;
        padding-top: 60px;
    }

    .hero-content {
        padding: 0 var(--spacing-sm);
    }

    .hero-form {
        padding: var(--spacing-md);
    }
    
    .hero-text h1 {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }

    .feature-card,
    .step,
    .campaign-card {
        padding: var(--spacing-lg);
    }

    .car-card {
        margin: 0 var(--spacing-sm);
    }
    
    .fleet-grid,
    .features-grid {
        padding: 0 var(--spacing-sm);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        min-height: 40px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .btn-large {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .nav-brand .logo {
        width: 32px;
        height: 32px;
    }
    
    .logo i {
        font-size: 20px;
    }
    
    .mobile-brand-name {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 360px) {
    .hero-text h1 {
        font-size: var(--font-size-xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .hero-form h3 {
        font-size: var(--font-size-lg);
    }
    
    .mobile-menu a {
        font-size: var(--font-size-xl);
        padding: var(--spacing-md) var(--spacing-lg);
        width: 90%;
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.feature-card,
.car-card,
.step {
    animation: fadeInUp 0.6s ease-out;
}

.hero-text {
    animation: slideInLeft 0.8s ease-out;
}

.hero-form {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Button loading animation */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    position: relative;
}

.btn:disabled::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;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth scrolling offset for fixed header */
html {
    scroll-padding-top: 80px;
}

/* Enhanced Focus Styles for Accessibility */
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
.theme-toggle:focus-visible,
.mobile-menu-toggle:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(0, 122, 122, 0.2);
}

.nav-menu a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    
    .btn {
        border-width: 3px;
    }
    
    .feature-icon,
    .step-number {
        border: 3px solid white;
    }
}

/* 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;
        scroll-behavior: auto !important;
    }
    
    .hero-text,
    .hero-form,
    .feature-card,
    .car-card,
    .step {
        animation: none;
    }
}

/* Print styles */
@media print {
    .header,
    .mobile-menu-toggle,
    .theme-toggle,
    .btn,
    .social-links,
    .mobile-menu,
    .mobile-menu-overlay {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .hero-background {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .feature-card,
    .car-card,
    .step {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn:hover,
    .car-card:hover,
    .feature-card:hover,
    .theme-toggle:hover,
    .mobile-menu-toggle:hover {
        transform: none;
    }
    
    .nav-menu a:hover::after {
        width: 0;
    }
    
    .nav-menu a {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .theme-toggle,
    .mobile-menu-toggle {
        width: 48px;
        height: 48px;
    }
    
    .reserve-btn:active {
        transform: scale(0.98);
    }
    
    .mobile-menu a:active {
        transform: scale(0.98);
    }
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 350px;
    z-index: 10000;
    animation: slideInRight 0.3s ease-out;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
}

.notification--success { 
    background: #27ae60; 
    color: white; 
}

.notification--error { 
    background: #e74c3c; 
    color: white; 
}

.notification--info { 
    background: var(--primary-color); 
    color: white; 
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--border-radius);
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 20px;
    cursor: pointer;
    margin-left: auto;
    padding: 0 4px;
    border-radius: 4px;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-close:hover {
    background: rgba(255,255,255,0.2);
}

@keyframes slideInRight {
    from { 
        transform: translateX(100%); 
        opacity: 0; 
    }
    to { 
        transform: translateX(0); 
        opacity: 1; 
    }
}

@keyframes slideOutRight {
    from { 
        transform: translateX(0); 
        opacity: 1; 
    }
    to { 
        transform: translateX(100%); 
        opacity: 0; 
    }
}