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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #1e293b;
    line-height: 1.6;
}

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

/* Header */
.header {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
}

.logo-icon {
    color: #667eea;
    font-size: 12px;
}

.logo-text {
    color: #64748b;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: #64748b;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: #1e293b;
}

.btn-request-access {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-request-access:hover {
    background: #667eea;
}

.btn-request-access:hover {
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: #F7F8FF;
    padding: 80px 0;
}

.hero-content {
    display: flex;
    align-items: center;
}

.hero-left {
    flex: 1;
}

.tag {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: #64748b;
    margin-bottom: 40px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    margin-bottom: 40px;
    max-width: 600px;
}

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

.stat-label {
    font-size: 12px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: #667eea;
}

.btn-demo {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-demo:hover {
    background: #667eea;
    color: white;
}

/* Capabilities Section */
.capabilities {
    background: white;
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
    text-align: center;
    margin-bottom: 48px;
}

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

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon-box {
    width: 64px;
    height: 64px;
    background: #667eea;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    color: #64748b;
    font-size: 14px;
}

/* Stages Section */
.stages {
    background: white;
    padding: 80px 0;
}

.stages-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.stage-item {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
}

.stage-number {
    width: 60px;
    height: 60px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.stage-connector {
    width: 60px;
    height: 2px;
    background: #cbd5e1;
    margin: 0 10px;
    flex-shrink: 0;
}

.stage-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e293b;
}

.stage-desc {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}

/* Demo Section */
.demo {
    background: #F7F8FF;
    padding: 80px 0;
}

.demo-video-container {
    margin-top: 40px;
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    background: #000;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    min-height: 300px; /* Минимальная высота для видимости */
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.video-wrapper video {
    width: 100%;
    height: auto;
    display: block;
}

.demo-placeholder {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 120px 40px;
    text-align: center;
    margin-top: 40px;
}

.demo-placeholder p {
    color: #64748b;
    font-size: 16px;
}

/* CTA Section */
.cta {
    background: #f8fafc;
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1e293b;
}

.cta-subtitle {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 48px;
}

.cta-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
    align-items: stretch;
}

.cta-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid #e2e8f0;
    transition: all 0.3s;
    text-align: left;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cta-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.cta-card.card-premium {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #5568d3 100%);
    color: white;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1e293b;
}

.card-premium .card-title {
    color: white;
}

.card-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
    flex-grow: 1;
}

.card-features li {
    padding: 12px 0;
    font-size: 16px;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}

.card-features li:last-child {
    border-bottom: none;
}

.card-premium .card-features li {
    color: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.card-form {
    margin-top: 24px;
}

.card-form .form-group {
    margin-bottom: 16px;
}

.card-input {
    width: 100%;
    padding: 14px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.card-input:focus {
    outline: none;
    border-color: #667eea;
}

.card-premium .card-input {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.3);
}

.card-premium .card-input:focus {
    border-color: white;
    background: white;
}

.card-btn {
    width: 100%;
    background: #667eea;
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.card-btn:hover {
    background: #5568d3;
    transform: translateY(-1px);
}

.card-premium .card-btn {
    background: white;
    color: #667eea;
}

.card-premium .card-btn:hover {
    background: rgba(255, 255, 255, 0.95);
}

.card-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

.card-message.success {
    background: #d1fae5;
    color: #065f46;
}

.card-message.error {
    background: #fee2e2;
    color: #991b1b;
}

.card-premium .card-message.success {
    background: rgba(16, 185, 129, 0.2);
    color: white;
    border: 1px solid rgba(16, 185, 129, 0.5);
}

.card-premium .card-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: white;
    border: 1px solid rgba(239, 68, 68, 0.5);
}

/* Footer */
.footer {
    background: #f8fafc;
    padding: 32px 0;
    border-top: 1px solid #e2e8f0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #94a3b8;
}

/* Modal */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #94a3b8;
    cursor: pointer;
}

.close:hover {
    color: #1e293b;
}

.modal-content h2 {
    margin-bottom: 24px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1e293b;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.btn-submit {
    width: 100%;
    background: #667eea;
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: #667eea;
}

.message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .nav {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .cta-card {
        padding: 32px 24px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-subtitle {
        font-size: 16px;
    }
}