/* SafeKeyLab V6 Design System */

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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #0f0f0f;
    --bg-tertiary: #151515;
    --bg-card: #111111;
    --border: #1f1f1f;
    --border-bright: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent: #00ff88;
    --accent-dim: #00cc6a;
    --accent-glow: rgba(0, 255, 136, 0.12);
    --warning: #ff6b35;
    --error: #ff4444;
    --grid-color: rgba(0, 255, 136, 0.02);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.5px;
}

h1 { font-size: 48px; letter-spacing: -2px; }
h2 { font-size: 36px; letter-spacing: -1px; }
h3 { font-size: 24px; }
h4 { font-size: 18px; }

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Grid Background */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Radar Animation */
.radar-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
}

.radar-ring {
    position: absolute;
    border: 1px solid var(--accent);
    border-radius: 50%;
    opacity: 0.15;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radar-ring:nth-child(1) { width: 200px; height: 200px; }
.radar-ring:nth-child(2) { width: 400px; height: 400px; }
.radar-ring:nth-child(3) { width: 600px; height: 600px; }
.radar-ring:nth-child(4) { width: 800px; height: 800px; }
.radar-ring:nth-child(5) { width: 1000px; height: 1000px; }

.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform-origin: left center;
    animation: sweep 10s linear infinite;
    opacity: 0.6;
}

@keyframes sweep {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

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

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

.status-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-cta {
    display: flex;
    gap: 12px;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 8px 0;
    margin-top: 16px;
}

.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}

.nav-dropdown-content a {
    display: block;
    padding: 10px 20px;
    font-size: 12px;
}

.nav-dropdown-content a:hover {
    background: var(--bg-tertiary);
}

/* Buttons */
.btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 20px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
}

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

.btn-large {
    padding: 14px 28px;
    font-size: 12px;
}

/* Section Styles */
.section {
    padding: 120px 40px;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 600;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 16px auto 0;
    line-height: 1.7;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 32px;
    transition: all 0.3s;
}

.card:hover {
    border-color: var(--border-bright);
}

.card-highlight:hover {
    border-color: var(--accent);
}

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

.form-label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 14px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color 0.2s;
}

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

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.badge-accent {
    border-color: var(--accent);
    color: var(--accent);
}

/* Tags */
.tag {
    display: inline-block;
    padding: 6px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Metrics Grid */
.metrics-bar {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 48px 40px;
    position: relative;
    z-index: 1;
}

.metrics-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.metric-item {
    text-align: center;
    padding: 16px;
    border-right: 1px solid var(--border);
}

.metric-item:last-child {
    border-right: none;
}

.metric-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 42px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.metric-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Certifications */
.cert-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cert-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.cert-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
}

.cert-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
footer {
    padding: 48px 40px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.footer-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-muted);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: var(--text-muted);
    transition: color 0.2s;
}

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

.footer-right {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-muted);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.container-sm {
    max-width: 800px;
}

.container-lg {
    max-width: 1400px;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.py-5 { padding-top: 48px; padding-bottom: 48px; }
.py-6 { padding-top: 80px; padding-bottom: 80px; }

.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary { background: var(--bg-tertiary); }

.border-top { border-top: 1px solid var(--border); }
.border-bottom { border-bottom: 1px solid var(--border); }

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

/* Why SafeKeyLab Section */
.why-section {
    padding: 120px 40px;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.why-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
}

.why-card:hover {
    border-color: var(--accent);
}

.why-stat {
    font-family: 'JetBrains Mono', monospace;
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.why-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.why-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.why-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 48px;
}

.why-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

.feature-check {
    color: var(--accent);
    font-weight: 700;
}

.opensource-callout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 32px 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
}

.opensource-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    flex-shrink: 0;
}

.opensource-badge svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.opensource-content h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.opensource-content p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.opensource-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.opensource-link:hover {
    opacity: 0.8;
}

.opensource-install {
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.opensource-install code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-item {
        border-right: none;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .opensource-callout {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 12px 20px;
    }

    .nav-left {
        gap: 16px;
    }

    .nav-status,
    .nav-links {
        display: none;
    }

    .section {
        padding: 80px 20px;
    }

    h1 { font-size: 36px; }
    h2 { font-size: 28px; }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .cert-grid {
        gap: 12px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-left {
        flex-direction: column;
    }

    .container {
        padding: 0 20px;
    }

    .why-section {
        padding: 80px 20px;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .why-stat {
        font-size: 36px;
    }

    .why-features {
        flex-direction: column;
        gap: 12px;
    }

    .opensource-callout {
        padding: 24px;
    }
}