/* Reset ve Temel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
    
}
a {
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    animation: fadeUp 1s ease forwards;
}

.hero-subtitle {
    opacity: 0;
    animation: fadeUp 1s ease forwards;
    animation-delay: 0.4s;
}

.cta-button {
    opacity: 0;
    animation: fadeUp 1s ease forwards;
    animation-delay: 0.8s;
}
@keyframes slideLeft {
    from { transform: translateX(-100%) scale(0.8); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes slideRight {
    from { transform: translateX(100%) scale(0.8); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

.audi-car {
    animation: slideLeft 1.2s ease forwards;
}

.bmw-car {
    animation: slideRight 1.2s ease forwards;
}
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.scroll-animate.show {
    opacity: 1;
    transform: translateY(0);
}

.section {
    padding: 80px 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Bölümü */
.hero-section {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
    max-width: 1200px;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 25px;
    line-height: 1.2;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.title-gradient {
    background: linear-gradient(90deg, #ff4d00, #ff9900);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #ddd;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    background: linear-gradient(90deg, #ff4d00, #ff9900);
    color: white;
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 77, 0, 0.4);
    margin-top: 20px;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(255, 77, 0, 0.6);
}

.cta-button i {
    margin-left: 10px;
    transition: transform 0.3s ease;
}

.cta-button:hover i {
    transform: translateY(5px);
}

.car-images {
    position: absolute;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    z-index: 2;
    padding: 0 5%;
}

.audi-car, .bmw-car {
    position: relative;
    width: 45%;
    height: 300px;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.7);
}

.audi-car {
    transform: perspective(1000px) rotateY(15deg);
}

.bmw-car {
    transform: perspective(1000px) rotateY(-15deg);
}

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

.audi-car:hover img, .bmw-car:hover img {
    transform: scale(1.05);
}

.car-label {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Yeni Eklenen Detay Bölümü */

.audi, .bmw {
    max-width: 1200px;
    margin: 0 auto 50px;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.audi h2, .bmw h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    color: #002b5c;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #00509e;
}

.bmw h2 {
    color: #1c1c1c;
    border-bottom: 3px solid #4a4a4a;
}

.audi p, .bmw p {
    margin-bottom: 20px;
    color: #444;
    line-height: 1.7;
    font-size: 1.05rem;
}

.audi p:first-of-type, .bmw p:first-of-type {
    font-weight: 500;
    color: #222;
}

.audi img, .bmw img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 30px auto;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.audi img:hover, .bmw img:hover {
    transform: scale(1.02);
}

.audi {
    border-left: 5px solid #00509e;
}

.bmw {
    border-left: 5px solid #4a4a4a;
}

section:not(.hero-section):not(.section):not(.footer) img:last-of-type {
    display: block;
 ;
    margin: 40px auto 0;
    opacity: 0.8;
}

/* Teknik Detaylar Grid */
.tech-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tech-detail-item {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-detail-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.tech-detail-item h4 {
    font-family: 'Montserrat', sans-serif;
    color: #00509e;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.tech-detail-item h4 i {
    margin-right: 10px;
}

.bmw .tech-detail-item h4 {
    color: #4a4a4a;
}

.tech-detail-item ul {
    padding-left: 20px;
    color: #555;
}

.tech-detail-item li {
    margin-bottom: 8px;
}

/* Felsefe Bölümü */
.philosophy-section {
    background-color: #fff;
}

.cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.card {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.audi-card .card-header {
    background: linear-gradient(90deg, #002b5c, #00509e);
    color: white;
    padding: 25px;
}

.bmw-card .card-header {
    background: linear-gradient(90deg, #1c1c1c, #4a4a4a);
    color: white;
    padding: 25px;
}

.card-header {
    display: flex;
    align-items: center;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.8rem;
}

.card-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.6rem;
    font-weight: 600;
}

.card-body {
    padding: 25px;
    background-color: white;
}

.card-body p {
    margin-bottom: 25px;
    color: #555;
    font-size: 1.05rem;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.feature {
    display: flex;
    align-items: center;
    background: #f8f9fa;
    padding: 10px 15px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: #444;
}

.feature i {
    margin-right: 8px;
    font-size: 1rem;
}

.audi-card .feature i {
    color: #00509e;
}

.bmw-card .feature i {
    color: #4a4a4a;
}
/* Teknik Detaylar Bölümü CSS */
.technical-details-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.technical-details-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.technical-details-section .section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: #1a1a1a;
    position: relative;
}

.technical-details-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #00509e, #4a4a4a);
    border-radius: 2px;
}

.technical-details-section .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.system-details {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.system-detail {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.system-detail:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.system-header {
    padding: 30px;
    color: white;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.audi-detail .system-header {
    background: linear-gradient(90deg, #002b5c, #00509e);
}

.bmw-detail .system-header {
    background: linear-gradient(90deg, #1c1c1c, #4a4a4a);
}

.system-logo {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.system-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    flex: 1;
    min-width: 300px;
}

.system-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 30px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.system-content {
    padding: 30px;
}

.system-description {
    margin-bottom: 40px;
}

.system-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 15px;
}

.system-description strong {
    color: #002b5c;
    font-weight: 600;
}

.bmw-detail .system-description strong {
    color: #1c1c1c;
}

.technical-points {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.tech-point {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.tech-point:hover {
    transform: translateX(5px);
    background: #f0f7ff;
}

.bmw-detail .tech-point:hover {
    background: #f5f5f5;
}

.point-icon {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #00509e;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.bmw-detail .point-icon {
    color: #4a4a4a;
}

.point-content {
    flex: 1;
}

.point-content h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    color: #002b5c;
    margin-bottom: 10px;
    font-weight: 600;
}

.bmw-detail .point-content h4 {
    color: #1c1c1c;
}

.point-content p {
    color: #555;
    line-height: 1.6;
    font-size: 1.05rem;
}

.system-image {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.system-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
}

.system-image img:hover {
    transform: scale(1.02);
}

.image-caption {
    margin-top: 15px;
    font-style: italic;
    color: #666;
    font-size: 0.95rem;
}

.brand-logos {
    text-align: center;
    margin-top: 80px;
    padding: 40px;
 
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.brand-logos img {
    width: 80%;
    height: auto;
    filter: grayscale(20%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.brand-logos img:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.logos-caption {
    margin-top: 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    color: #444;
    font-weight: 500;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .technical-details-section .section-title {
        font-size: 2.2rem;
    }
    
    .system-header h3 {
        font-size: 1.6rem;
    }
    
    .tech-point {
        flex-direction: column;
        text-align: center;
    }
    
    .point-icon {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .technical-details-section {
        padding: 60px 0;
    }
    
    .technical-details-section .section-title {
        font-size: 2rem;
    }
    
    .system-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .system-header h3 {
        min-width: 100%;
    }
    
    .system-content {
        padding: 20px;
    }
    
    .brand-logos {
        padding: 30px 20px;
    }
    
    .brand-logos img {
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    .technical-details-section .section-title {
        font-size: 1.8rem;
    }
    
    .system-header {
        padding: 20px;
    }
    
    .system-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .system-header h3 {
        font-size: 1.4rem;
    }
    
    .tech-point {
        padding: 20px;
    }
    
    .point-content h4 {
        font-size: 1.2rem;
    }
    
    .brand-logos img {
        max-width: 250px;
    }
}
/* Teknik Bölümü */
.technical-section {
    background-color: #f8f9fa;
}

.tech-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.tech-block {
    flex: 1;
    min-width: 300px;
    max-width: 550px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.tech-header {
    padding: 25px;
    color: white;
    display: flex;
    align-items: center;
}

.audi-tech .tech-header {
    background: linear-gradient(90deg, #002b5c, #00509e);
}

.bmw-tech .tech-header {
    background: linear-gradient(90deg, #1c1c1c, #4a4a4a);
}

.tech-logo {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.8rem;
}

.tech-header h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
}

.tech-body {
    padding: 25px;
}

.tech-body p {
    margin-bottom: 25px;
    color: #555;
    line-height: 1.7;
}

.tech-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.spec {
    flex: 1;
    min-width: 200px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid;
}

.audi-tech .spec {
    border-left-color: #00509e;
}

.bmw-tech .spec {
    border-left-color: #4a4a4a;
}

.spec-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.spec-desc {
    color: #666;
    font-size: 0.95rem;
}

.tech-visual {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.visual-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    color: #333;
}

.torque-distribution {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 15px;
    align-items: center;
    justify-items: center;
    max-width: 400px;
    margin: 0 auto;
}

.wheel {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.front-left, .front-right {
    background: #666;
}

.rear-left, .rear-right {
    background: #444;
}

.car-center {
    grid-column: 2;
    grid-row: 1 / span 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.torsen-diff, .transfer-case {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: white;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    color: #333;
}

.torsen-diff i, .transfer-case i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.torsen-diff span, .transfer-case span {
    font-size: 0.9rem;
    font-weight: 600;
}

.audi-tech .torsen-diff {
    border: 3px solid #00509e;
}

.bmw-tech .transfer-case {
    border: 3px solid #4a4a4a;
}

/* Sonuç Bölümü */
.conclusion-section {
    background-color: #fff;
}

.conclusion-content {
    max-width: 900px;
    margin: 0 auto;
}

.conclusion-text {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 50px;
    color: #444;
    text-align: center;
    padding: 0 20px;
}

.future-tech {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 50px;
    margin-top: 100px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.future-tech h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
    display: flex;
    align-items: center;
}

.future-tech h4 i {
    margin-right: 10px;
    color: #ff4d00;
}

.future-tech p {
    color: #555;
    margin-bottom: 30px;
    line-height: 1.7;
}

.ev-cars {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
}

.ev-car {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    width: 180px;
    transition: transform 0.3s ease;
}

.ev-car:hover {
    transform: translateY(-10px);
}

.ev-car i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #00509e;
}

.ev-car:nth-child(3) i {
    color: #4a4a4a;
}

.ev-car span {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: #333;
}

.vs-circle {
    background: #ff4d00;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(255, 77, 0, 0.3);
}

.comparison-table {
    margin-top: 60px;
    overflow-x: auto;
}

.comparison-table h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

thead {
    background: linear-gradient(90deg, #002b5c, #00509e);
}

thead th {
    color: white;
    padding: 18px 15px;
    text-align: left;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

thead th:nth-child(2) {
    background-color: #00509e;
}

thead th:nth-child(3) {
    background-color: #4a4a4a;
}

tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

tbody tr:nth-child(odd) {
    background-color: white;
}

tbody td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    color: #444;
}

tbody tr:hover {
    background-color: #f0f7ff;
}
.result-section {
  padding: 60px 0;
  background: #0f172a;
  color: #f1f5f9;
}

.result-section h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 32px;
}

.result-section p {
  max-width: 800px;
  margin: 0 auto 20px auto;
  line-height: 1.7;
  text-align: center;
}

.result-section ul {
  max-width: 600px;
  margin: 0 auto 30px auto;
  list-style: none;
  padding: 0;
}

.result-section li {
  margin-bottom: 10px;
  padding: 10px;
  background: rgba(255,255,255,0.05);
  border-left: 4px solid #38bdf8;
}

.result-section .highlight {
  text-align: center;
  font-style: italic;
  font-size: 18px;
  margin-top: 20px;
  color: #38bdf8;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #ddd;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-info {
    flex: 1;
    min-width: 300px;
}

.developer {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #fff;
}

.developer strong {
    color: #ff9900;
}

.sources {
    font-size: 0.95rem;
    color: #aaa;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: #333;
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #ff4d00;
    transform: translateY(-5px);
}

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #888;
    font-size: 0.9rem;
}

/* Scroll to top button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #ff4d00;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(255, 77, 0, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    display: none;
}
.scroll-top-btn i {
    padding-left: 18px;
    padding-top: 13px;
}
.scroll-top-btn:hover {
    background: #ff9900;
    transform: translateY(-5px);
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .car-images {
        padding: 0 2%;
    }
    
    .audi-car, .bmw-car {
        height: 250px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .audi, .bmw {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.3rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .car-images {
        position: relative;
        margin-top: 40px;
        padding: 0 20px;
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .audi-car, .bmw-car {
        width: 90%;
        height: 200px;
        transform: none;
    }
    
    .cards-container, .tech-container {
        flex-direction: column;
        align-items: center;
    }
    
    .card, .tech-block {
        max-width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    
    .footer-info {
        min-width: 100%;
    }
    
    .audi, .bmw {
        padding: 20px;
    }
    
    .audi h2, .bmw h2 {
        font-size: 1.7rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.9rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .ev-cars {
        flex-direction: column;
        gap: 20px;
    }
    
    .torque-distribution {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }
    
    .car-center {
        grid-column: 1 / span 2;
        grid-row: 2;
        margin: 20px 0;
    }
    
    .audi h2, .bmw h2 {
        font-size: 1.5rem;
    }
}