/* CSS Variables for BMW Brand Colors */
:root {
    --bmw-blue: #0066b1;
    --bmw-dark-blue: #003b6f;
    --bmw-light-blue: #64b2e6;
    --bmw-white: #ffffff;
    --bmw-black: #000000;
    --bmw-gray: #f5f5f5;
    --bmw-dark-gray: #333333;
    --bmw-light-gray: #e0e0e0;
    --transition: all 0.3s ease;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'BMW Group Regular', 'Arial', sans-serif;
    color: var(--bmw-dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--bmw-blue);
}

.logo span {
    color: var(--bmw-black);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bmw-blue);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.nav-icons {
    display: flex;
    align-items: center;
}

.nav-icons i {
    margin-left: 1.5rem;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.nav-icons i:hover {
    color: var(--bmw-blue);
}

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../assets/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--bmw-white);
    padding: 0 1rem;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--bmw-blue);
    color: var(--bmw-white);
    border: 2px solid var(--bmw-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    margin: 0.5rem;
}

.btn:hover {
    background: transparent;
    color: var(--bmw-white);
}

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

.btn-outline:hover {
    background: var(--bmw-white);
    color: var(--bmw-blue);
}

/* Sections */
section {
    padding: 5rem 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--bmw-blue);
}

/* Models Showcase */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.model-card {
    background: var(--bmw-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.model-img {
    height: 250px;
    overflow: hidden;
}

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

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

.model-info {
    padding: 1.5rem;
}

.model-info h3 {
    margin-bottom: 0.5rem;
}

.model-price {
    color: var(--bmw-blue);
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

.model-actions {
    display: flex;
    justify-content: space-between;
}

/* Electric Section */
.electric {
    background: var(--bmw-gray);
}

.electric-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: center;
}

.electric-text h2 {
    text-align: left;
    margin-bottom: 2rem;
}

.electric-text h2::after {
    left: 0;
    transform: none;
}

.specs {
    margin: 2rem 0;
}

.spec-item {
    display: flex;
    margin-bottom: 1.5rem;
}

.spec-icon {
    width: 50px;
    height: 50px;
    background: var(--bmw-blue);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 1rem;
    color: var(--bmw-white);
    font-size: 1.2rem;
}

/* Featured Models */
.featured-model {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.featured-img {
    width: 100%;
    max-width: 800px;
    margin-bottom: 2rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.featured-img img {
    width: 100%;
    display: block;
}

/* News Section */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--bmw-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.news-img {
    height: 200px;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: var(--bmw-blue);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* Footer */
footer {
    background: var(--bmw-black);
    color: var(--bmw-white);
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    color: var(--bmw-white);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--bmw-blue);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--bmw-blue);
    padding-left: 5px;
}

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

.social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bmw-dark-gray);
    margin-right: 1rem;
    transition: var(--transition);
}

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

.newsletter input {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: none;
    border-radius: 4px;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--bmw-dark-gray);
    font-size: 0.9rem;
    color: var(--bmw-light-gray);
}

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

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
        font-size: 1.5rem;
    }
    
    nav ul {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--bmw-white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav ul li {
        margin: 1.5rem 0;
    }
    
    .nav-icons {
        display: none;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 3rem 5%;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Models Page */
.models-page {
    padding-top: 100px;
}

.models-header {
    text-align: center;
    margin-bottom: 3rem;
}

.models-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.models-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.models-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.model-detail {
    background: var(--bmw-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.model-detail:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.model-detail-img {
    height: 250px;
    overflow: hidden;
}

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

.model-detail:hover .model-detail-img img {
    transform: scale(1.1);
}

.model-detail-info {
    padding: 1.5rem;
}

.model-detail-info h3 {
    margin-bottom: 0.5rem;
    color: var(--bmw-dark-blue);
}

.model-specs {
    margin: 1rem 0;
}

.model-specs ul {
    list-style: none;
    padding-left: 0;
}

.model-specs li {
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--bmw-light-gray);
}

.model-specs li:last-child {
    border-bottom: none;
}

.model-detail-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
}

/* Electric Page */
.electric-page {
    padding-top: 100px;
}

.electric-header {
    text-align: center;
    margin-bottom: 3rem;
}

.electric-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.electric-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.electric-models {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* Pricing Page */
.pricing-page {
    padding-top: 100px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 3rem;
}

.pricing-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pricing-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.pricing-table {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--bmw-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.pricing-header-row {
    background: var(--bmw-blue);
    color: var(--bmw-white);
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.pricing-header-row div {
    padding: 1rem;
    text-align: center;
    font-weight: bold;
}

.pricing-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    border-bottom: 1px solid var(--bmw-light-gray);
}

.pricing-row:last-child {
    border-bottom: none;
}

.pricing-row div {
    padding: 1rem;
    text-align: center;
}

.pricing-row:nth-child(even) {
    background: var(--bmw-gray);
}

/* Discover Page */
.discover-page {
    padding-top: 100px;
}

.discover-header {
    text-align: center;
    margin-bottom: 3rem;
}

.discover-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.discover-content {
    max-width: 1000px;
    margin: 0 auto;
}

.discover-section {
    margin-bottom: 3rem;
}

.discover-section h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.discover-section h2::after {
    left: 0;
    transform: none;
}

.discover-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.discover-card {
    background: var(--bmw-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.discover-card-img {
    height: 200px;
    overflow: hidden;
}

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

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

.discover-card-content {
    padding: 1.5rem;
}