/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background-color: #fafafa;
    font-size: 16px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    text-align: center;
    padding: 60px 0 40px;
    border-bottom: 1px solid #e5e5e5;
    margin-bottom: 50px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    filter: grayscale(100%);
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #1a1a1a;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
    margin-top: 10px;
}

/* Main content */
.main-content {
    padding-bottom: 60px;
}

.hero {
    margin-bottom: 60px;
}

.hero h2 {
    font-size: 2rem;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.hero-text {
    font-size: 1.2rem;
    color: #4a4a4a;
    line-height: 1.7;
    max-width: 600px;
}

/* Benefits section */
.benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.benefit {
    padding: 30px;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e5e5e5;
    transition: all 0.2s ease;
}

.benefit:hover {
    border-color: #d0d0d0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.benefit h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.benefit p {
    color: #5a5a5a;
    line-height: 1.6;
}

/* Features section */
.features {
    margin-bottom: 60px;
}

.features h2 {
    font-size: 1.8rem;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 30px;
    letter-spacing: -0.01em;
}

.feature-list {
    list-style: none;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e5e5e5;
    padding: 30px;
}

.feature-list li {
    padding: 12px 0;
    color: #4a4a4a;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 25px;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: "•";
    color: #999;
    font-weight: bold;
    position: absolute;
    left: 0;
}

kbd {
    background: #f5f5f5;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    padding: 2px 6px;
    font-family: 'Inter', monospace;
    font-size: 0.9em;
    color: #4a4a4a;
}

/* Installation section */
.installation {
    margin-bottom: 60px;
}

.installation h2 {
    font-size: 1.8rem;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 30px;
    letter-spacing: -0.01em;
}

.install-steps {
    display: grid;
    gap: 20px;
}

.step {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e5e5e5;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: #1a1a1a;
    color: white;
    border-radius: 50%;
    font-weight: 500;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step p {
    color: #4a4a4a;
    margin: 0;
}

.download-link {
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid #1a1a1a;
    transition: all 0.2s ease;
}

.download-link:hover {
    color: #666;
    border-bottom-color: #666;
}

code {
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 2px 6px;
    font-family: 'Inter', monospace;
    font-size: 0.9em;
    color: #4a4a4a;
}

/* Feedback section */
.feedback {
    text-align: center;
    padding: 50px 30px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e5e5e5;
    margin-bottom: 40px;
}

.feedback h2 {
    font-size: 1.8rem;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.feedback p {
    color: #5a5a5a;
    margin-bottom: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.feedback-button {
    display: inline-block;
    background: #1a1a1a;
    color: white;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.feedback-button:hover {
    background: #333;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid #e5e5e5;
    color: #8a8a8a;
    font-size: 0.9rem;
}

.footer a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: #1a1a1a;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 40px 0 30px;
    }
    
    .logo {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.6rem;
    }
    
    .hero-text {
        font-size: 1.1rem;
    }
    
    .benefits {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .benefit {
        padding: 25px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .feedback {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .hero h2 {
        font-size: 1.4rem;
    }
    
    .features h2,
    .installation h2,
    .feedback h2 {
        font-size: 1.5rem;
    }
}