/* Modern Variables */
:root {
    --primary-red: #D32F2F;         /* Ana renk: düğmeler, bağlantılar ve vurgulu bölümler için */
    --dark-gray: #212121;           /* Koyu arka plan rengi: başlık, altbilgi veya ayırıcı bölümler */
    --light-gray: #E0E0E0;          /* Kenarlıklar ve formlar için renk */
    --background-white: #F9F9F9;    /* Ana site arka planı */
    --text-dark: #1A1A1A;           /* Ana metin rengi */
    --secondary-blue: #1976D2;      /* İsteğe bağlı tamamlayıcı renk (ikonlar veya yan bağlantılar için) */
    --transition: all 0.3s ease;
    --shadow: 0px 2px 6px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --gradient: linear-gradient(135deg, var(--primary-red), #FF5252);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --hover-gradient: linear-gradient(135deg, #FF5252, var(--primary-red));
}

/* Global Styles */
body {
    font-family: 'Inter', 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--background-white);
    padding-top: 76px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body.loaded {
    opacity: 1;
}

/* Hero Section with Three.js */
.hero-section {
    position: relative;
    height: 100vh;
    background: var(--gradient);
    overflow: hidden;
}

#car-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

/* Modern Navbar */
.navbar {
    background-color: #181818 !important;
    padding: 0;
    min-height: 80px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    min-height: 80px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    height: 80px;
}

.navbar-brand img {
    height: 60px;
    width: auto;
    display: block;
    margin: 0;
    padding: 0;
}

.navbar .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    padding: 8px 15px;
    transition: all 0.3s ease;
}

.navbar .nav-link:hover {
    color: #007bff !important;
}

.navbar .nav-link.active {
    color: #007bff !important;
}

.navbar-toggler {
    border-color: #ffffff;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Main Content Area */
main {
    flex-grow: 1;
}

/* Modern Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    background: white;
    border: 1px solid var(--light-gray);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-body {
    flex-grow: 1; /* Allows content to push footer to bottom */
    display: flex;
    flex-direction: column;
}

.card-text {
    flex-grow: 1; /* Ensures text takes available space */
}

/* Modern Buttons */
.btn {
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    background: var(--primary-red);
    border: none;
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.2);
    background: var(--primary-red);
}

/* Modern Sections */
.section-title {
    position: relative;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--primary-red);
}

/* Modern Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid var(--light-gray);
    padding: 1rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.25);
    transform: translateY(-2px);
}

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

.footer h5 {
    color: var(--primary-red);
    margin-bottom: 2rem;
}

.footer-link {
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-link:hover {
    color: var(--primary-red);
    text-decoration: none;
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: white;
}

.social-icon.whatsapp {
    background: #25D366;
}

.social-icon.instagram {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}

.social-icon:hover {
    transform: translateY(-5px);
}

.social-icon i {
    font-size: 20px;
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-red);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255,255,255,0.3);
    border-top: 5px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #FF5252;
}

/* Image Placeholder */
.img-placeholder {
    background: linear-gradient(45deg, var(--primary-red), #FF5252);
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

/* Feature Cards */
.feature-card {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    background: white;
    margin-bottom: 1rem;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    color: #007bff;
}

/* Footer Styles */
footer {
    margin-top: 3rem;
}

footer a {
    color: white;
    text-decoration: none;
}

footer a:hover {
    color: #007bff;
}

.social-links a {
    font-size: 1.5rem;
    margin-right: 1rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .navbar-brand img {
        height: 40px;
    }
    
    .card-img-top {
        height: 150px;
    }
    
    .social-icon {
        width: 35px;
        height: 35px;
    }
    
    .social-icon i {
        font-size: 18px;
    }
}

/* FAQ Accordion Styles */
.accordion-button:not(.collapsed) {
    background-color: #007bff;
    color: white;
}

/* Team Cards */
.team-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.team-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

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

/* Contact Form */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

/* Price Table */
.price-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.price-table th,
.price-table td {
    padding: 1rem;
    border: 1px solid #dee2e6;
}

.price-table th {
    background-color: #007bff;
    color: white;
}

.price-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

/* Image Loading Styles */
.img-loading {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.img-loaded {
    opacity: 1;
    animation: fadeIn 0.5s ease;
}

.img-error {
    opacity: 0.7;
    filter: grayscale(100%);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Image Container */
.img-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.img-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-red), #FF5252);
    opacity: 0.1;
    z-index: 1;
}

.img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Placeholder Image Styles */
.placeholder-img {
    position: relative;
    width: 100%;
    height: 200px;
    background: linear-gradient(45deg, var(--primary-red), #FF5252);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.placeholder-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 2s infinite;
}

.placeholder-img::after {
    content: '🖼️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.5);
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

/* WhatsApp Fixed Button */
.whatsapp-fixed {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
}

.whatsapp-fixed a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    text-decoration: none !important;
    border: none;
}

.whatsapp-fixed a:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
    text-decoration: none !important;
}

.whatsapp-fixed i {
    font-size: 32px;
    color: white;
}

/* Social Media Icons */
.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    transition: var(--transition);
    color: white;
}

.social-icon.whatsapp {
    background: #25D366;
}

.social-icon.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.social-icon i {
    font-size: 20px;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: var(--dark-gray); /* Dark background for slider area */
}

.slider-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out; /* Slower transition for smoother effect */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
    width: 90%;
    max-width: 800px;
    padding: 20px;
    background: rgba(0,0,0,0.4); /* Slightly transparent background for readability */
    border-radius: var(--border-radius);
}

.slide-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease-out 0.3s;
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease-out 0.5s;
}

.slide.active .slide-content h2,
.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
    z-index: 1;
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 1rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary-red);
    transform: scale(1.2);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.slider-arrow:hover {
    background: var(--primary-red);
}

.slider-arrow.prev {
    left: 30px;
}

.slider-arrow.next {
    right: 30px;
}

.slider-arrow i {
    color: white;
    font-size: 24px;
}

/* Background Cars Animation */
.bg-cars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.bg-car-shape {
    position: absolute;
    /* Using simple rectangles for cars as per request */
    background: rgba(255,255,255,0.1);
    border-radius: 5px; 
    animation: carMove 15s linear infinite;
    /* Random width/height/top handled by JS */
}

@keyframes carMove {
    0% {
        transform: translateX(-150px) translateY(var(--car-y)); /* Start off-screen left */
    }
    100% {
        transform: translateX(calc(100vw + 150px)) translateY(var(--car-y)); /* Move across to off-screen right */
    }
}

/* Slider Timer */
.slider-timer {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    width: 200px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
}

.timer-progress {
    height: 100%;
    background: var(--primary-red);
    width: 0;
    transition: width 5s linear;
}

/* Responsive Design */
@media (max-width: 768px) {
    .slide-content h2 {
        font-size: 2.2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
    }
    
    .slider-arrow i {
        font-size: 20px;
    }
    
    .whatsapp-fixed {
        bottom: 15px;
        left: 15px;
    }

    .whatsapp-fixed a {
        width: 50px;
        height: 50px;
    }

    .whatsapp-fixed i {
        font-size: 28px;
    }

    .social-icon {
        width: 35px;
        height: 35px;
    }

    .social-icon i {
        font-size: 18px;
    }
}

/* Map Section Specific Margin */
.map-section {
    /* No specific margin-top here; spacing is handled by .mobile-spacer on small screens */
}

/* Map Section Spacing for Small Screens */
@media (max-width: 768px) {
    /* This rule is replaced by .mobile-spacer; leaving as a comment for clarity */
    /* .map-section-spacing { */
    /*     margin-top: 120px; */
    /* } */
    .mobile-spacer {
        height: 200px; /* Increased height to ensure visible separation on mobile - Attempt 2 */
    }
}

/* Course Content Spacing for Small Screens */
@media (max-width: 768px) {
    /* This rule is replaced by .mobile-spacer; leaving as a comment for clarity */
    /* .course-content-spacing-sm { */
    /*     margin-bottom: 50px; */
    /* } */
}

/* Modern Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid var(--light-gray);
    padding: 1rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.25);
    transform: translateY(-2px);
}

.ehliyet-btn {
    background: #007bff;
    color: #fff !important;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: none;
    display: inline-block;
}
.ehliyet-btn:hover, .ehliyet-btn:focus {
    background: #0056b3;
    color: #fff !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}