:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --success: #4cc9f0;
    --warning: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #e9ecef;
}



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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark);
    background-color: #f8f9fa;
    line-height: 1.6;
}

/* Navbar Modern */
.navbar {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: white !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand i {
    color: var(--success);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    margin: 0 5px;
    padding: 8px 15px !important;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: white !important;
}

/* Hero Section Modern */
.hero-section {
    background: linear-gradient(rgba(67, 97, 238, 0.85), rgba(114, 9, 183, 0.85)),
                url('https://images.unsplash.com/photo-1492144534655-ae79c964c9d7?ixlib=rb-1.2.1&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 120px 0 80px;
    margin-top: 76px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%234361ee' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-hero {
    background: var(--success);
    color: var(--dark);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 201, 240, 0.4);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(76, 201, 240, 0.6);
    background: #3ab8de;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 2px;
}

.feature-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
    border: none;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.feature-card h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark);
}

/* Cars Section */
.cars-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.car-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    margin-bottom: 30px;
    height: 100%;
    border: none;
}

.car-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.car-img {
    height: 220px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

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

.car-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.car-specs {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--gray);
}

.car-specs i {
    color: var(--primary);
    margin-right: 5px;
}

.car-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.car-price span {
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 400;
}

.btn-rent {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 8px;
    border: none;
    width: 100%;
    transition: all 0.3s ease;
}

.btn-rent:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.4);
    color: white;
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 5rem;
    color: rgba(67, 97, 238, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--gray);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h5 {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--dark);
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--gray);
}

/* Footer Modern */
.footer {
    background: linear-gradient(135deg, var(--dark), #343a40);
    color: white;
    padding: 60px 0 30px;
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--success);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--success);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 1rem;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Filter Section */
.filter-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.filter-card h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-card h5 i {
    color: var(--primary);
}

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

.form-select, .form-control {
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    padding: 10px 15px;
    transition: all 0.3s ease;
}

.form-select:focus, .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

.btn-filter {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 8px;
    border: none;
    transition: all 0.3s ease;
}

.btn-filter:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.4);
    color: white;
}

.btn-reset {
    background: var(--light-gray);
    color: var(--dark);
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 8px;
    border: none;
    transition: all 0.3s ease;
}

.btn-reset:hover {
    background: #dee2e6;
    color: var(--dark);
}

/* Login & Register Cards */
.auth-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    margin: 40px 0;
    border: none;
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header h2 {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .navbar-nav {
        text-align: center;
        background: rgba(67, 97, 238, 0.95);
        border-radius: 10px;
        padding: 15px;
        margin-top: 10px;
    }
    
    .car-card {
        margin-bottom: 20px;
    }
    
    .auth-card {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 80px 0 60px;
    }
    
    .features-section, .cars-section, .testimonials-section {
        padding: 60px 0;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.4);
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.6);
}

/* Status Badges */
.badge-status {
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8rem;
}

.badge-available {
    background-color: rgba(76, 201, 240, 0.2);
    color: #0a8ea8;
}

.badge-rented {
    background-color: rgba(247, 37, 133, 0.2);
    color: #c2185b;
}

.badge-maintenance {
    background-color: rgba(255, 193, 7, 0.2);
    color: #b08d00;
}

/* Loading Spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(67, 97, 238, 0.2);
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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