:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #f8fafc;
    --text-primary: #1b1b1b;
    --text-secondary: #64748b;
    --background-primary: #fafafa;
    --background-white: #ffffff;
    --background-dark: #000000;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
}

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

.link-arrow {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.link-arrow:hover {
    color: var(--primary-hover);
}

.header {
    background-color: var(--background-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    padding: 16px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 32px;
    height: 32px;
}

.brand-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 400;
    font-size: 14px;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--background-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 8px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s ease;
}

.dropdown-content a:hover {
    background-color: var(--secondary-color);
}

.hero {
    padding: 80px 0;
    background-color: var(--background-white);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 54.25px;
    font-weight: 400;
    line-height: 54.25px;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-links {
    display: flex;
    gap: 32px;
}

.hero-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s ease;
}

.hero-link:hover {
    color: var(--primary-hover);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.stats {
    padding: 80px 0;
    background-color: var(--background-primary);
}

.stats-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.stats-text h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.3;
    color: var(--text-primary);
}

.stats-numbers {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.partners {
    padding: 60px 0;
    background-color: var(--background-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 32px;
    align-items: center;
}

.partner-logo {
    max-width: 100%;
    height: 40px;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.partner-logo:hover {
    opacity: 1;
}

.efficiency {
    padding: 80px 0;
    background-color: var(--background-primary);
}

.efficiency-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.section-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.section-sublabel {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.efficiency-text h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.efficiency-image {
    display: flex;
    justify-content: center;
}

.efficiency-img {
    max-width: 100%;
    height: auto;
}

.assistant {
    padding: 80px 0;
    background-color: var(--background-white);
}

.assistant-content {
    text-align: left;
}

.assistant-text {
    margin-bottom: 60px;
}

.assistant-text h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px 24px;
    background-color: var(--background-primary);
    border-radius: var(--border-radius-lg);
    text-align: left;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: white;
}

.feature-icon-purple { background-color: #8b5cf6; }
.feature-icon-green { background-color: #10b981; }
.feature-icon-blue { background-color: #3b82f6; }
.feature-icon-red { background-color: #ef4444; }
.feature-icon-purple-alt { background-color: #6366f1; }
.feature-icon-blue-alt { background-color: #0ea5e9; }

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta {
    padding: 80px 0;
    background-color: var(--background-primary);
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.footer {
    background-color: var(--background-dark);
    color: white;
    padding: 60px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.footer-contact p {
    margin-bottom: 8px;
    font-size: 14px;
    color: #94a3b8;
}

.footer-contact a {
    color: white;
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-legal p {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 8px;
}

@media (max-width: 1024px) {
    .hero-content,
    .stats-content,
    .efficiency-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
        line-height: 1.2;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-bottom {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
    background-color: var(--background-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.page-header {
    padding: 60px 0;
    background-color: var(--background-white);
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.content-section {
    padding: 60px 0;
    background-color: var(--background-primary);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.content-card {
    background-color: var(--background-white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.content-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.content-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.price-tag {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.price-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.success-message {
    background-color: #dcfce7;
    border: 1px solid #16a34a;
    color: #15803d;
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    text-align: center;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-content h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 32px 0 16px;
}

.legal-content h3 {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 24px 0 12px;
}

.legal-content p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.legal-content ul {
    margin: 16px 0;
    padding-left: 24px;
}

.legal-content li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}