* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #ef4444;
    --secondary: #64748b;
    --text-primary: #ffffff;
    --text-secondary: #e5e7eb;
    --text-light: #9ca3af;
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-accent: #1a1a1a;
    --border: #1f1f1f;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #dc2626;
    --shadow-sm: 0 1px 2px 0 rgb(220 38 38 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(220 38 38 / 0.2), 0 2px 4px -2px rgb(220 38 38 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(220 38 38 / 0.3), 0 4px 6px -4px rgb(220 38 38 / 0.2);
    --shadow-xl: 0 20px 25px -5px rgb(220 38 38 / 0.4), 0 8px 10px -6px rgb(220 38 38 / 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 4rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/obd-background.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.logo {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo img {
    max-width: 250px;
    height: auto;
    display: block;
}

.tagline {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(220, 38, 38, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    border: 1px solid var(--primary);
}

.badge .icon {
    width: 1.25rem;
    height: 1.25rem;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--primary);
    display: block;
}

.hero-benefits {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 2rem auto;
    max-width: 500px;
}

.benefit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.benefit .check {
    color: #10b981;
    font-size: 1.5rem;
    font-weight: 700;
}

.hero-cta-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

.btn .icon {
    width: 1.25rem;
    height: 1.25rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 0.75rem 1.5rem;
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid var(--primary);
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.location-badge .icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
}

.problems {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.problems h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: var(--bg-accent);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.problem-icon svg {
    width: 2rem;
    height: 2rem;
    stroke-width: 2.5;
}

.problem-icon.warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.problem-icon.error {
    background: rgba(220, 38, 38, 0.2);
    color: var(--error);
}

.problem-icon.degraded {
    background: rgba(220, 38, 38, 0.2);
    color: var(--primary);
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.gallery {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.gallery-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3.5rem;
}

.gallery-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.gallery-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.carousel-wrapper {
    overflow: hidden;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto 3rem;
    position: relative;
}

.carousel-track {
    display: flex;
    animation: scroll 20s linear infinite;
    will-change: transform;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-75%);
    }
}

.carousel-slide {
    flex: 0 0 33.333%;
    padding: 0 0.75rem;
}

.carousel-slide img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 0.75rem;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.carousel-slide img:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.gallery-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-primary);
    border-radius: 1.5rem;
    margin-top: 2rem;
    border: 2px solid var(--primary);
}

.gallery-cta-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.gallery-cta-subtitle {
    font-size: 1.05rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.solution {
    padding: 5rem 0;
    background: var(--bg-primary);
}

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

.solution h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.solution-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature {
    display: flex;
    gap: 1.5rem;
}

.feature-icon {
    width: 5rem;
    height: 5rem;
    min-width: 5rem;
    background: linear-gradient(135deg, var(--primary) 0%, #b91c1c 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    transition: all 0.3s ease;
}

.feature:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}

.feature-icon svg {
    width: 2.5rem;
    height: 2.5rem;
}

.feature-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}


.pricing {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.pricing-card {
    background: var(--bg-accent);
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    max-width: 700px;
    margin: 0 auto;
    border: 2px solid var(--primary);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.pricing-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.price-note {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pricing-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.pricing-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.pricing-note {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 0.5rem;
}

.pricing-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
}

.pricing-feature .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
    min-width: 1.5rem;
}

.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    color: white;
    position: relative;
    overflow: hidden;
    border-top: 3px solid var(--primary);
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.footer {
    background: var(--bg-primary);
    color: white;
    padding: 4rem 0 0;
    border-top: 3px solid var(--primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 2px solid var(--border);
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo img {
    max-width: 180px;
    height: auto;
}

.footer-tagline {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.footer-description {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
    max-width: 350px;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-legal {
    text-align: center;
    padding: 2rem 0;
    background: var(--bg-accent);
    margin: 0 -1.5rem 2rem;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.legal-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.legal-info p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
}

.legal-info strong {
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    background: var(--bg-accent);
    margin: 0 -1.5rem;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-bottom a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .logo img {
        max-width: 180px;
    }
    
    .tagline {
        font-size: 0.75rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .hero-cta-text {
        font-size: 1.1rem;
    }
    
    .hero {
        padding: 3rem 0 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .problems h2,
    .gallery-header h2,
    .solution h2,
    .cta h2 {
        font-size: 1.75rem;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel-slide {
        flex: 0 0 100%;
    }
    
    .carousel-slide img {
        height: 250px;
    }
    
    @keyframes scroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(-100%);
        }
    }
    
    .gallery-cta {
        padding: 2rem 1.5rem;
    }
    
    .gallery-cta-text {
        font-size: 1.15rem;
    }
    
    .gallery-cta-subtitle {
        font-size: 0.95rem;
    }
    
    .pricing-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .pricing-item {
        padding: 0.875rem 1.25rem;
    }
    
    
    .pricing-card {
        padding: 2rem;
    }
    
    .price-amount {
        font-size: 2.25rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .footer-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .legal-info {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .problems,
    .solution,
    .pricing,
    .cta {
        padding: 3rem 0;
    }
    
    .problem-card,
    .pricing-card {
        padding: 1.5rem;
    }
    
    .image-placeholder svg {
        width: 5rem;
        height: 5rem;
    }
}