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

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --border-color: rgba(255, 255, 255, 0.2);
    --accent: #ffffff;
    --accent-blue: #3b82f6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(to bottom, #000000, #0a0a0a, #000000);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.lang-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 0.5rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
}

.lang-btn:hover {
    color: var(--text-primary);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
}

.badge {
    display: inline-block;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease;
}

.title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.subtitle {
    font-weight: 200;
    color: var(--text-secondary);
}

.description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto 4rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.cta-primary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    padding: 1.25rem 3rem;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.5s ease;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease 0.8s both;
}

.cta-primary:hover {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.services {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
}

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

.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.5s ease;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-10px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.package-price {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--accent-blue);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.features-section {
    padding: 8rem 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-secondary);
    font-weight: 300;
}

.contact-section {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 4rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem 1rem 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 300;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 300;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group input:focus + label,
.form-group textarea:focus + label {
    top: 0.5rem;
    font-size: 0.75rem;
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.contact-form button {
    width: 100%;
    margin-top: 1rem;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 300;
    display: none;
}

.form-status.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
    display: block;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    display: block;
}

.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.footer p {
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.footer-brand {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 300;
    transition: color 0.3s ease;
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    .lang-toggle {
        top: 1rem;
        right: 1rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .stats {
        gap: 2rem;
        grid-template-columns: 1fr;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .crosssell-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .crosssell-card {
        padding: 2rem 1.5rem;
    }
    
    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .title {
        font-size: clamp(2.5rem, 10vw, 5rem);
    }
}


/* Cross-Selling Section */
.crosssell-section {
    padding: 8rem 0;
    background: var(--bg-primary);
}

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

.crosssell-card {
    position: relative;
    overflow: hidden;
}

.crosssell-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), transparent);
}

.crosssell-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
    opacity: 0.7;
    font-size: 0.95rem;
}

.crosssell-link:hover {
    opacity: 1;
    transform: translateX(5px);
    color: var(--accent-blue);
}

/* Analytics tracking */
.crosssell-link[data-product] {
    cursor: pointer;
}


/* Hero trust badge */
.hero-trust {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    animation: fadeInUp 0.8s ease 1s both;
}