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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #374151;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.highlight {
    color: #2563eb;
    display: block;
}

.hero-description {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #374151;
}

.icon {
    font-size: 1.2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.trust-indicators {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    color: #6b7280;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    position: relative;
}

.product-card {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 24px;
    padding: 2rem;
    color: white;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
}

.wireless-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.product-image {
    text-align: center;
    margin-bottom: 1.5rem;
}

.adapter-mockup {
    width: 120px;
    height: 80px;
    background: #1f2937;
    border-radius: 12px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.adapter-mockup::after {
    content: '';
    width: 16px;
    height: 16px;
    background: #3b82f6;
    border-radius: 50%;
    animation: pulse 3s infinite;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
    color: #374151;
}

.product-card p {
    text-align: center;
    color: #374151;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: #374151;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: #6b7280;
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: #f9fafb;
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    background: #f0f9ff;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

.cta-section {
    margin-top: 4rem;
}

.cta-card {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    color: white;
}

.cta-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Products Section */
.products {
    padding: 80px 0;
    background: #f9fafb;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: #2563eb;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
}

.product-image-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-image-placeholder::after {
    content: '';
    width: 120px;
    height: 80px;
    background: #1f2937;
    border-radius: 12px;
    position: relative;
}

.product-info {
    padding: 2rem;
}

.product-subtitle {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: #fbbf24;
    font-size: 1.1rem;
}

.rating-text {
    color: #6b7280;
    font-size: 0.9rem;
}

.price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.current-price {
    font-size: 2rem;
    font-weight: 800;
    color: #1f2937;
}

.original-price {
    font-size: 1.2rem;
    color: #9ca3af;
    text-decoration: line-through;
}

.savings {
    background: #10b981;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: #6b7280;
    font-size: 0.9rem;
}

.product-guarantees {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: #6b7280;
}

.help-section {
    margin-top: 4rem;
}

.help-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.help-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.help-card p {
    color: #6b7280;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.help-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.testimonial-card {
    background: #f9fafb;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: #f0f9ff;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.quote-icon {
    font-size: 3rem;
    color: #2563eb;
    font-weight: bold;
}

.rating {
    color: #fbbf24;
    font-size: 1.2rem;
}

.testimonial-text {
    color: #374151;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid #e5e7eb;
    padding-top: 1rem;
}

.author-info h4 {
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: #6b7280;
    font-size: 0.9rem;
    margin: 0;
}

.vehicle-info {
    text-align: right;
}

.vehicle-info p {
    color: #2563eb;
    font-weight: 600;
    font-size: 0.9rem;
    margin: 0;
}

.verified {
    color: #10b981;
    font-size: 0.8rem;
    font-weight: 500;
}

.stats-section {
    margin: 4rem 0;
}

.stats-card {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 20px;
    padding: 3rem;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.testimonial-cta {
    text-align: center;
}

.testimonial-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.testimonial-cta p {
    color: #6b7280;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: #f9fafb;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto 4rem;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #f9fafb;
}

.faq-question h3 {
    color: #1f2937;
    font-size: 1.1rem;
    margin: 0;
    flex: 1;
    padding-right: 1rem;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #2563eb;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 2rem 1.5rem;
    color: #6b7280;
    line-height: 1.7;
    border-top: 1px solid #e5e7eb;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-support {
    margin-top: 4rem;
}

.support-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.support-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.support-card p {
    color: #6b7280;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.support-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-section h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 1rem;
}

.footer-description {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    font-size: 1.5rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: scale(1.2);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: #d1d5db;
}

.contact-icon {
    font-size: 1.2rem;
}

.newsletter h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 6px;
    background: #374151;
    color: white;
    font-size: 0.9rem;
}

.newsletter-input::placeholder {
    color: #9ca3af;
}

.newsletter-btn {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.newsletter-btn:hover {
    background: #1d4ed8;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: #9ca3af;
    font-size: 0.9rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-legal a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .help-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .support-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
    
    .price {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .testimonial-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .vehicle-info {
        text-align: left;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .mobile-menu-btn,
    .btn,
    .newsletter,
    .social-links {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        padding: 20px 0;
        background: white !important;
    }
    
    .section-title {
        font-size: 18pt;
        margin-bottom: 10pt;
    }
}