/* Modern Styles for AUTOBOTZ TOURS & TRAVELS - Optimized & GPU-Friendly */

:root {
    --primary-red: #cb1515;
    --primary-red-dark: #b01212;
    --primary-red-light: #e63946;
    --white: #ffffff;
    --black: #000000;
    --gray-light: #f5f5f5;
    --gray-dark: #333333;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.4s ease;
}

/* Modern Hero Section */
#section-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#section-hero .overlay-bg {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
}

#section-hero h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 2px 4px 12px rgba(0, 0, 0, 0.5);
}

#section-hero .id-color {
    color: var(--primary-red);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: var(--primary-red);
}

/* Modern Booking Form */
.booking-form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.booking-form-container h5 {
    color: var(--gray-dark);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

/* Modern Radio Buttons - Card Style */
.vehicle-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.vehicle-card {
    position: relative;
    cursor: pointer;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    background: var(--white);
    transition: all var(--transition-base);
    transform: translateZ(0);
    will-change: transform;
}

.vehicle-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-red);
}

.vehicle-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.vehicle-card input[type="radio"]:checked + label,
.vehicle-card.selected {
    border-color: var(--primary-red);
    background: var(--primary-red);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(203, 21, 21, 0.3);
}

.vehicle-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 0.75rem;
    filter: brightness(0) invert(0.3);
    transition: filter var(--transition-base);
}

.vehicle-card.selected img,
.vehicle-card input[type="radio"]:checked ~ label img {
    filter: brightness(0) invert(1);
}

.vehicle-card label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-dark);
    cursor: pointer;
    margin: 0;
}

.vehicle-card.selected label,
.vehicle-card input[type="radio"]:checked ~ label {
    color: var(--white);
}

/* Modern Form Inputs */
.modern-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    background: var(--white);
    color: var(--gray-dark);
    transition: all var(--transition-base);
    transform: translateZ(0);
}

.modern-input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px rgba(203, 21, 21, 0.1);
    transform: translateY(-2px);
}

.modern-input::placeholder {
    color: #999;
}

.modern-input.error {
    border-color: #dc3545;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Modern Buttons */
.btn-modern {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-base);
    transform: translateZ(0);
    will-change: transform;
    position: relative;
    overflow: hidden;
}

.btn-modern-primary {
    background: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

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

.btn-modern-secondary {
    background: var(--white);
    color: var(--primary-red);
    border: 2px solid var(--primary-red);
}

.btn-modern-secondary:hover {
    background: var(--primary-red);
    color: var(--white);
}

/* Loading State */
.btn-loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Swap Locations Button */
.swap-locations {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-red);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
}

.swap-locations:hover {
    background: var(--primary-red-dark);
    transform: translateY(-50%) rotate(180deg);
}

/* Round Trip Toggle */
.trip-toggle {
    display: flex;
    background: var(--gray-light);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 1.5rem;
}

.trip-toggle button {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.trip-toggle button.active {
    background: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

/* Form Validation Messages */
.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

.error-message.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.success-message {
    color: #28a745;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Trust Section */
.trust-section {
    background: var(--gray-light);
    padding: 4rem 0;
}

.trust-badge {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.trust-badge:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.trust-badge .rating {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: 0.5rem;
}

.trust-badge .stars {
    color: #ffc107;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Modern Car Cards */
.car-card-modern {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    transform: translateZ(0);
}

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

.car-card-modern img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.car-card-modern h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-dark);
}

.car-specs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.car-spec {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-dark);
}

.car-spec img {
    width: 20px;
    height: 20px;
}

/* Modern Footer */
.footer-modern {
    background: var(--gray-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-modern h5 {
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-modern a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-modern .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%;
    margin-right: 0.5rem;
    transition: all var(--transition-base);
}

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

/* Responsive */
@media (max-width: 768px) {
    .booking-form-container {
        padding: 1.5rem;
    }
    
    .vehicle-selector {
        grid-template-columns: repeat(2, 1fr);
    }
    
    #section-hero h1 {
        font-size: 2.5rem;
    }
}

/* Performance Optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Remove heavy animations */
.glass-effect {
    animation: none !important;
}

.glass-effect::before,
.glass-effect::after {
    display: none !important;
}