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

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #667eea;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

.logo {
    max-width: 500px;
    height: auto;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover, .logo:focus {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.logo-link {
    display: inline-block;
    border-radius: 20px;
    outline: none;
}

.logo-link:focus {
    outline: 3px solid #667eea;
    outline-offset: 4px;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 2rem;
    font-weight: 300;
}

.description {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:focus-within {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
}

.coming-soon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.coming-soon:hover, .coming-soon:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
    outline: none;
}

.coming-soon:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .container {
        background: rgba(255, 255, 255, 1);
        border: 2px solid #000000;
    }
    
    .feature {
        background: rgba(255, 255, 255, 1);
        border: 2px solid #000000;
    }
    
    .logo {
        background: rgba(255, 255, 255, 1);
        border: 2px solid #000000;
    }

    h1 {
        color: #000000 !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .logo:hover, .logo:focus,
    .coming-soon:hover, .coming-soon:focus {
        transform: none;
    }
}

.footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .container {
        margin: 1rem;
        padding: 1.5rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (prefers-color-scheme: dark) {
    .container {
        background: rgba(30, 30, 30, 0.95);
        color: #e0e0e0;
    }

    h1 {
        color: #e0e0e0;
    }

    .logo {
        background: rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    .logo:hover, .logo:focus {
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    }

    .logo-link:focus {
        outline: 3px solid #667eea;
    }

    .subtitle {
        color: #c5c5c5;
    }

    .description {
        color: #d0d0d0;
    }

    .feature {
        background: rgba(40, 40, 40, 0.7);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .feature h3 {
        color: #f0f0f0;
    }

    .feature p {
        color: #c5c5c5;
    }

    .footer {
        color: #c5c5c5;
        border-top-color: rgba(255, 255, 255, 0.1);
    }

    .coming-soon:focus-visible {
        outline: 3px solid #667eea;
    }
}