ftr 0.7.0

/* Modern CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #7d8590;
    --accent-primary: #238636;
    --accent-secondary: #1f6feb;
    --border-primary: #30363d;
    --terminal-green: #00ff41;
    --terminal-blue: #0099ff;
    --terminal-orange: #ff8800;
    --terminal-red: #ff4444;
    --terminal-yellow: #ffdd00;
    
    /* Hop colors */
    --hop-lan: #ff6b6b;
    --hop-isp: #4ecdc4;
    --hop-transit: #45b7d1;
    --hop-dest: #96ceb4;
    
    /* Typography */
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

/* Base Styles */
body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(35, 134, 54, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(31, 111, 235, 0.3) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo {
    font-family: var(--font-mono);
    background: linear-gradient(135deg, var(--terminal-green), var(--terminal-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: clamp(1rem, 4vw, 2rem);
    font-weight: 300;
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    color: var(--text-secondary);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.stat:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #2ea043;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(35, 134, 54, 0.3);
}

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

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

/* Demo Section */
.demo {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
}

.terminal {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.terminal-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-button.red { background: #ff5f57; }
.terminal-button.yellow { background: #ffbd2e; }
.terminal-button.green { background: #28ca42; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.4;
    overflow-x: auto;
}

.terminal-body pre {
    margin: 0;
}

.terminal-body code {
    color: var(--text-primary);
}

.prompt { color: var(--terminal-green); font-weight: bold; }
.hop-lan { color: var(--hop-lan); }
.hop-isp { color: var(--hop-isp); }
.hop-transit { color: var(--hop-transit); }
.hop-dest { color: var(--hop-dest); }
.org { color: var(--text-secondary); }
.time { color: var(--terminal-yellow); }
.isp-info { color: var(--terminal-blue); font-style: italic; }

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    transition: all 0.2s ease;
}

.feature:hover {
    background: var(--bg-tertiary);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Installation Section */
.install {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.install-option {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.2s ease;
}

.install-option:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-secondary);
}

.install-option h3 {
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.code-block {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.copy-btn {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: var(--accent-secondary);
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 1;
}

.copy-btn:hover {
    background: var(--accent-primary);
}

.code-block pre {
    margin: 0;
    padding: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    overflow-x: auto;
}

/* Performance Section */
.performance {
    padding: var(--spacing-xxl) 0;
}

.perf-comparison {
    max-width: 600px;
    margin: 0 auto;
}

.perf-chart {
    margin-bottom: var(--spacing-md);
}

.perf-bar {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.perf-label {
    width: 200px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.perf-visual {
    flex: 1;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
}

.perf-fill {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: bold;
    color: white;
    transition: width 1s ease-in-out;
}

.perf-fill.traditional {
    background: linear-gradient(135deg, var(--terminal-red), var(--terminal-orange));
}

.perf-fill.ftr {
    background: linear-gradient(135deg, var(--terminal-green), var(--terminal-blue));
}

.perf-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* Documentation Section */
.docs {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.doc-card {
    display: block;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    transition: all 0.2s ease;
    text-decoration: none;
}

.doc-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-secondary);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.doc-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
}

.doc-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--accent-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
    }
    
    .terminal-body {
        font-size: 0.75rem;
        padding: var(--spacing-sm);
    }
    
    .perf-label {
        width: 120px;
        font-size: 0.75rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .install-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .docs-grid {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
a:focus,
button:focus,
.btn:focus {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    * {
        background: white !important;
        color: black !important;
    }
}