:root {
    --tesla-red: #e82127;
    --tesla-dark: #393c41;
    --tesla-light: #f8f9fa;
    --tesla-gradient: linear-gradient(135deg, var(--tesla-red) 0%, #ff6b6b 100%);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --card-hover-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    --smooth-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --base-font-size: 18px;
    --heading-font-size: 3rem;
    --subheading-font-size: 2rem;
    --section-padding: 100px 0;
    --content-padding: 0 5%;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.8;
    color: var(--tesla-dark);
    margin: 0;
    padding: 0;
    font-size: var(--base-font-size);
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--content-padding);
}

h1, h2, h3 {
    font-weight: 700;
    margin-bottom: 30px;
}

h1 {
    font-size: var(--heading-font-size);
}

h2 {
    font-size: var(--subheading-font-size);
}

h3 {
    font-size: calc(var(--subheading-font-size) * 0.8);
}

p {
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Header Styles */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: top 0.3s;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
}

.logo svg {
    height: 30px;
    width: auto;
}

nav ul {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

    nav ul li {
        margin-left: 40px;
    }

        nav ul li a {
            color: var(--tesla-dark);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            font-size: 1.1rem;
        }

            nav ul li a:hover,
            nav ul li a:focus {
                color: var(--tesla-red);
            }

/* Hero Section */
.hero {
    background-image: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    position: relative;
    padding: var(--section-padding);
}

    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1;
    }

    .hero h1, .hero p, .hero .cta-button {
        position: relative;
        z-index: 2;
    }

    .hero h1 {
        font-size: 4.5rem;
        margin-bottom: 30px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .hero p {
        font-size: 1.8rem;
        margin-bottom: 40px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        max-width: 800px;
    }

/* CTA Button */
.cta-button {
    display: inline-block;
    background-color: var(--tesla-red);
    color: #fff;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

    .cta-button:hover {
        background-color: #c11c21;
        transform: translateY(-2px);
    }

/* Section Styles */
section {
    padding: var(--section-padding);
}

    section > div {
        padding: var(--content-padding);
    }

/* Experience Section */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.experience-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

    .experience-item:hover {
        transform: translateY(-5px);
    }

/* Models Section */
.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.model-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-decoration: none;
    color: var(--tesla-dark);
}

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

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

    .model-card h3 {
        padding: 30px 20px 15px;
        margin: 0;
        font-size: 1.8rem;
    }

    .model-card p {
        padding: 0 20px 30px;
        margin: 0;
        color: #666;
        font-size: 1.1rem;
    }

/* Innovation Section */
.innovation {
    text-align: center;
}

.innovation-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-top: 50px;
}

.innovation-text {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

    .innovation-text p {
        margin-bottom: 20px;
    }

    .innovation-text .cta-button {
        align-self: center;
        margin-top: 20px;
    }

.innovation-image {
    flex: 1;
}

    .innovation-image img {
        width: 100%;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

/* Impact Section */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.impact-item {
    background-color: var(--tesla-light);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

    .impact-item:hover {
        transform: translateY(-5px);
    }

    .impact-item h3 {
        font-size: 1.6rem;
        margin-bottom: 20px;
    }

.impact-counter {
    font-size: 3rem;
    font-weight: bold;
    color: var(--tesla-red);
    margin-bottom: 10px;
}

/* Testimonials Section */
.testimonial-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 40px;
    padding: 40px 0;
    margin-top: 50px;
}

.testimonial {
    flex: 0 0 100%;
    scroll-snap-align: start;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

    .testimonial p {
        font-style: italic;
        margin-bottom: 20px;
        font-size: 1.2rem;
    }

    .testimonial cite {
        font-weight: bold;
        color: var(--tesla-red);
        font-size: 1.1rem;
    }

/* Join Section */
.join {
    background-color: var(--tesla-dark);
    color: #fff;
}

    .join h2 {
        margin-bottom: 30px;
    }

    .join p {
        margin-bottom: 40px;
        font-size: 1.2rem;
    }

/* Footer */
footer {
    background-color: var(--tesla-dark);
    color: #fff;
    padding: 60px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--content-padding);
}

.footer-links {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

    .footer-links li {
        margin-left: 30px;
    }

    .footer-links a {
        color: #fff;
        text-decoration: none;
        transition: color 0.3s ease;
        font-size: 1.1rem;
    }

        .footer-links a:hover {
            color: var(--tesla-red);
        }

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --content-padding: 0 8%;
    }
}

@media (max-width: 768px) {
    :root {
        --base-font-size: 16px;
        --heading-font-size: 2.5rem;
        --subheading-font-size: 1.8rem;
        --content-padding: 0 5%;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        font-size: 1.4rem;
    }

    .innovation-content {
        flex-direction: column;
    }

    .innovation-text, .innovation-image {
        width: 100%;
    }

    .innovation-text {
        text-align: center;
        align-items: center;
    }

    nav ul {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .show-mobile-menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

        .show-mobile-menu li {
            margin: 15px 0;
        }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        margin-top: 20px;
    }

        .footer-links li {
            margin: 0 15px;
        }
}

@media (max-width: 480px) {
    :root {
        --content-padding: 0 20px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.benefits {
    background: linear-gradient(135deg, #fff 0%, var(--tesla-light) 100%);
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--tesla-red) 0%, #ff6b6b 100%);
}

.benefits-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefits h2 {
    font-size: 2.5rem;
    color: var(--tesla-dark);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.benefits h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--tesla-red);
    margin: 20px auto 0;
    border-radius: 2px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    width: 100%;
}

.benefit-item {
    background: white;
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: var(--smooth-transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-hover-shadow);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 33, 39, 0.08);
    border-radius: 12px;
    padding: 12px;
    transition: var(--smooth-transition);
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.1);
    background: rgba(232, 33, 39, 0.12);
}

.benefit-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--tesla-red);
    stroke-width: 2px;
}

.benefit-item h3 {
    color: var(--tesla-dark);
    font-size: 1.3rem;
    margin-bottom: 12px;
    text-align: center;
}

.benefit-item p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.benefit-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-details li {
    position: relative;
    padding-left: 28px;
    margin: 12px 0;
    color: #555;
    line-height: 1.6;
}

.benefit-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-color: rgba(232, 33, 39, 0.1);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.benefit-details li::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--tesla-red);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.benefit-details li:hover::before {
    background-color: rgba(232, 33, 39, 0.2);
}

@media (max-width: 768px) {
    .benefits h2 {
        font-size: 2rem;
    }

    .benefit-item {
        padding: 25px 20px;
    }

    .benefit-icon {
        width: 40px;
        height: 40px;
        padding: 10px;
    }

    .benefit-icon svg {
        width: 20px;
        height: 20px;
    }

    .benefit-details li,
    .faq-item ul li,
    .comparison-item ul li,
    .seo-rich-text ul li {
        padding-left: 24px;
        font-size: 0.95rem;
    }
}

/* SEO Enhancement Styles */
.seo-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: left;
}

.seo-content h2 {
    color: var(--tesla-dark);
    margin-bottom: 20px;
}

.seo-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

/* FAQ Section Styles */
.faq-section {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    padding: var(--section-padding);
}

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

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.faq-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: var(--smooth-transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

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

.faq-item h3 {
    color: var(--tesla-dark);
    font-size: 1.25rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.faq-item ul {
    list-style: none;
    padding-left: 0;
    margin-top: 12px;
}

.faq-item ul li {
    position: relative;
    padding-left: 28px;
    margin: 12px 0;
    color: #555;
    line-height: 1.6;
}

.faq-item ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-color: rgba(232, 33, 39, 0.1);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.faq-item ul li::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--tesla-red);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.faq-item ul li:hover::before {
    background-color: rgba(232, 33, 39, 0.2);
}

/* Comparison Section Styles */
.comparison-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    padding: var(--section-padding);
}

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

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.comparison-item {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: var(--smooth-transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.comparison-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-hover-shadow);
}

.comparison-item h3 {
    color: var(--tesla-dark);
    margin-bottom: 15px;
    text-align: center;
}

.price {
    background: linear-gradient(135deg, var(--tesla-red) 0%, #ff6b6b 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-block;
    margin: 15px 0;
    box-shadow: 0 4px 15px rgba(232, 33, 39, 0.2);
    transition: var(--smooth-transition);
}

.price:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 33, 39, 0.3);
}

.comparison-item ul {
    list-style: none;
    padding-left: 0;
    margin: 15px 0;
}

.comparison-item ul li {
    position: relative;
    padding-left: 28px;
    margin: 12px 0;
    color: #555;
    line-height: 1.6;
}

.comparison-item ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-color: rgba(232, 33, 39, 0.1);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.comparison-item ul li::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--tesla-red);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.comparison-item ul li:hover::before {
    background-color: rgba(232, 33, 39, 0.2);
}

/* SEO Content Section Styles */
.seo-content-section {
    background: white;
    position: relative;
    padding: var(--section-padding);
}

.seo-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.seo-rich-text h3 {
    color: var(--tesla-dark);
    font-size: 1.3rem;
    margin: 25px 0 15px;
    position: relative;
    padding-left: 15px;
}

.seo-rich-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--tesla-gradient);
    border-radius: 2px;
}

.seo-rich-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #444;
}

.seo-rich-text ul {
    list-style: none;
    padding-left: 0;
    margin: 15px 0;
}

.seo-rich-text ul li {
    position: relative;
    padding-left: 28px;
    margin: 12px 0;
    color: #444;
    line-height: 1.6;
}

.seo-rich-text ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-color: rgba(232, 33, 39, 0.1);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.seo-rich-text ul li::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--tesla-red);
    border-radius: 50%;
    transition: var(--smooth-transition);
}

.seo-rich-text ul li:hover::before {
    background-color: rgba(232, 33, 39, 0.2);
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    section h1, section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .benefit-item, .faq-item, .comparison-item {
        padding: 25px 20px;
    }

    .price {
        font-size: 1rem;
        padding: 8px 16px;
    }
}

/* Enhanced Animations */
.benefit-item, .faq-item, .comparison-item {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

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

/* Add animation delay for grid items */
.benefit-item:nth-child(2) { animation-delay: 0.2s; }
.benefit-item:nth-child(3) { animation-delay: 0.4s; }
.benefit-item:nth-child(4) { animation-delay: 0.6s; }

/* Enhanced Section Headers */
section h2 {
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 40px;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--tesla-gradient);
    border-radius: 2px;
}

/* Enhanced CTA Button */
.cta-button {
    background: var(--tesla-gradient);
    color: #fff;
    padding: 16px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(232, 33, 39, 0.2);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 33, 39, 0.3);
}

.cta-button:hover::before {
    transform: translateX(100%);
}