/* ============================================
   Agentic Aviation — Aviation Industrial Theme
   ============================================ */

:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #0f1419;
    --bg-card: #141a22;
    --bg-card-hover: #1a222c;
    --border: #1e2733;
    --border-light: #2a3545;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --accent: #0EA5E9;
    --accent-dim: rgba(14, 165, 233, 0.15);
    --accent-green: #10B981;
    --accent-green-dim: rgba(16, 185, 129, 0.15);
    --accent-amber: #F59E0B;
    --accent-amber-dim: rgba(245, 158, 11, 0.15);
    --accent-red: #EF4444;
    --accent-red-dim: rgba(239, 68, 68, 0.15);
    --accent-blue: #58a6ff;
    --font-mono: 'Space Mono', monospace;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.noise-overlay {
    position: fixed; inset: 0; z-index: 9999; pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(10, 14, 20, 0.85); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); }
.logo-icon { font-size: 22px; }
.logo-text { font-family: var(--font-mono); font-weight: 700; font-size: 15px; letter-spacing: 1px; }
.logo-dot { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--text-primary); }
.nav-github { display: flex; align-items: center; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text-secondary); margin: 4px 0; transition: var(--transition); }

/* NAV CTA */
.nav-cta {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--accent); color: #fff;
    font-family: var(--font-sans); font-size: 13px; font-weight: 600;
    padding: 8px 16px; border-radius: var(--radius);
    text-decoration: none; transition: all var(--transition);
    white-space: nowrap;
}
.nav-cta:hover { background: #38bdf8; color: #fff; transform: translateY(-1px); }

/* HERO */
.hero {
    position: relative; min-height: 90vh; display: flex; align-items: center; justify-content: center;
    padding: 120px 24px 80px; overflow: hidden;
}
.hero-grid-bg {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(30, 39, 51, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 39, 51, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}
.hero-content { position: relative; text-align: center; max-width: 800px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    color: var(--accent); letter-spacing: 1.5px;
    padding: 8px 16px; border-radius: 20px;
    background: var(--accent-dim); border: 1px solid rgba(14, 165, 233, 0.25);
    margin-bottom: 28px;
    animation: fadeInDown 0.6s ease;
}
.badge-dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
    animation: pulse 2s infinite;
}
.hero-title {
    font-family: var(--font-mono);
    font-size: clamp(2.2rem, 5.5vw, 3.5rem); font-weight: 700;
    line-height: 1.15; letter-spacing: -1px; margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-highlight {
    background: linear-gradient(135deg, var(--accent), #38bdf8);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 18px; color: var(--text-secondary); max-width: 600px; margin: 0 auto 36px;
    line-height: 1.7; animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-actions {
    display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
    margin-bottom: 48px; animation: fadeInUp 0.6s ease 0.3s both;
}
.hero-stats {
    display: flex; gap: 32px; justify-content: center; align-items: center;
    animation: fadeInUp 0.6s ease 0.4s both;
}
.stat { text-align: center; }
.stat-number { display: block; font-family: var(--font-mono); font-size: 24px; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.stat-divider { width: 1px; height: 32px; background: var(--border); }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius); font-size: 14px; font-weight: 600;
    text-decoration: none; transition: all var(--transition); cursor: pointer; border: none;
}
.btn-primary {
    background: var(--accent); color: #fff;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.25);
}
.btn-primary:hover { background: #38bdf8; box-shadow: 0 0 30px rgba(14, 165, 233, 0.4); transform: translateY(-1px); }
.btn-ghost {
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-light); background: var(--bg-card); }
.btn-agent {
    background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(14, 165, 233, 0.25);
}
.btn-agent:hover { background: rgba(14, 165, 233, 0.25); }
.btn-code {
    background: transparent; color: var(--text-muted); border: 1px solid var(--border);
    padding: 12px 16px; font-family: var(--font-mono); font-size: 12px;
}
.btn-code:hover { color: var(--text-secondary); border-color: var(--border-light); }

/* SECTION HEADERS */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
    display: inline-block; font-family: var(--font-mono); font-size: 12px;
    color: var(--accent); letter-spacing: 1px; margin-bottom: 12px;
}
.section-title {
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 700; letter-spacing: -1px; margin-bottom: 16px;
}
.section-desc { color: var(--text-secondary); font-size: 16px; max-width: 600px; margin: 0 auto; }

/* AGENTS */
.agents { padding: 100px 0; }
.agents-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.agent-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 32px; transition: all 0.3s ease; position: relative; overflow: hidden;
}
.agent-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent); opacity: 0;
    transition: opacity 0.3s ease;
}
.agent-card:hover { border-color: var(--border-light); background: var(--bg-card-hover); transform: translateY(-2px); }
.agent-card:hover::before { opacity: 1; }

/* Per-agent color variants */
.agent-card--red::before { background: linear-gradient(90deg, var(--accent-red), transparent); }
.agent-card--red .agent-icon { background: var(--accent-red-dim); color: var(--accent-red); }
.agent-card--red:hover { border-color: rgba(239, 68, 68, 0.3); box-shadow: 0 0 30px rgba(239, 68, 68, 0.08); }
.agent-card--red .btn-agent { background: var(--accent-red-dim); color: var(--accent-red); border-color: rgba(239, 68, 68, 0.25); }
.agent-card--red .btn-agent:hover { background: rgba(239, 68, 68, 0.25); }

.agent-card--amber::before { background: linear-gradient(90deg, var(--accent-amber), transparent); }
.agent-card--amber .agent-icon { background: var(--accent-amber-dim); color: var(--accent-amber); }
.agent-card--amber:hover { border-color: rgba(245, 158, 11, 0.3); box-shadow: 0 0 30px rgba(245, 158, 11, 0.08); }
.agent-card--amber .btn-agent { background: var(--accent-amber-dim); color: var(--accent-amber); border-color: rgba(245, 158, 11, 0.25); }
.agent-card--amber .btn-agent:hover { background: rgba(245, 158, 11, 0.25); }

.agent-card--green::before { background: linear-gradient(90deg, var(--accent-green), transparent); }
.agent-card--green .agent-icon { background: var(--accent-green-dim); color: var(--accent-green); }
.agent-card--green:hover { border-color: rgba(16, 185, 129, 0.3); box-shadow: 0 0 30px rgba(16, 185, 129, 0.08); }
.agent-card--green .btn-agent { background: var(--accent-green-dim); color: var(--accent-green); border-color: rgba(16, 185, 129, 0.25); }
.agent-card--green .btn-agent:hover { background: rgba(16, 185, 129, 0.25); }

.agent-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; gap: 12px; }
.agent-icon {
    width: 48px; height: 48px; border-radius: var(--radius);
    background: var(--accent-dim); display: flex; align-items: center; justify-content: center;
    color: var(--accent); flex-shrink: 0;
}
.agent-card-badges { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.agent-status {
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    color: var(--accent-green); background: var(--accent-green-dim);
    padding: 4px 10px; border-radius: 12px;
}
.agent-badge {
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    letter-spacing: 0.5px; padding: 3px 8px; border-radius: 4px;
    text-transform: uppercase;
}
.agent-badge--red { color: var(--accent-red); background: var(--accent-red-dim); border: 1px solid rgba(239, 68, 68, 0.25); }
.agent-badge--amber { color: var(--accent-amber); background: var(--accent-amber-dim); border: 1px solid rgba(245, 158, 11, 0.25); }
.agent-badge--green { color: var(--accent-green); background: var(--accent-green-dim); border: 1px solid rgba(16, 185, 129, 0.25); }

.agent-name { font-family: var(--font-mono); font-size: 20px; font-weight: 700; line-height: 1.2; margin-bottom: 12px; }
.agent-subtitle { font-weight: 400; color: var(--text-secondary); font-size: 16px; }
.agent-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.agent-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.tech-tag {
    font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
    background: rgba(139, 148, 158, 0.08); padding: 4px 10px; border-radius: 4px;
    border: 1px solid var(--border);
}
.agent-features { margin-bottom: 24px; }
.feature-item { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.feature-check { color: var(--accent-green); font-weight: 700; flex-shrink: 0; }
.agent-actions { display: flex; gap: 8px; }

/* REAL OUTPUT SECTION */
.output-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.output-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: all 0.3s ease;
}
.output-card:hover { border-color: var(--border-light); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.output-card-label {
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    color: var(--accent); letter-spacing: 1px; text-transform: uppercase;
    padding: 12px 16px 10px; border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,0.2);
}
.output-img-wrap {
    display: block; position: relative; overflow: hidden; aspect-ratio: 4/3;
}
.output-img-wrap img {
    width: 100%; height: 100%; object-fit: cover; object-position: top;
    display: block; transition: transform 0.4s ease;
}
.output-img-wrap:hover img { transform: scale(1.03); }
.output-img-overlay {
    position: absolute; inset: 0;
    background: rgba(10, 14, 20, 0.7);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s ease;
}
.output-img-wrap:hover .output-img-overlay { opacity: 1; }
.output-img-overlay span {
    font-family: var(--font-mono); font-size: 13px; font-weight: 700;
    color: var(--accent); border: 1px solid var(--accent);
    padding: 8px 20px; border-radius: var(--radius);
}
.output-caption {
    font-size: 13px; color: var(--text-secondary); line-height: 1.6;
    padding: 14px 16px; margin: 0;
}

/* AUTHOR PHOTO */
.about-author {
    display: flex !important; align-items: center; gap: 16px;
}
.author-photo {
    width: 64px; height: 64px; border-radius: 50%;
    object-fit: cover; border: 2px solid var(--border); flex-shrink: 0;
}

@media (max-width: 768px) {
    .output-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .output-grid { grid-template-columns: repeat(2, 1fr); }
    .output-card:last-child { grid-column: 1 / -1; max-width: 50%; margin: 0 auto; }
}

/* COMING SOON */
.coming-soon { margin-top: 48px; }
.coming-soon-inner {
    background: var(--bg-secondary); border: 1px dashed var(--border);
    border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.coming-tag {
    display: inline-block; font-family: var(--font-mono); font-size: 11px;
    color: var(--text-muted); letter-spacing: 2px; margin-bottom: 16px;
}
.coming-items { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
.coming-item {
    display: flex; align-items: center; gap: 8px;
    color: var(--text-muted); font-size: 14px;
}

/* HOW IT WORKS */
.how-it-works { padding: 100px 0; background: var(--bg-secondary); }
.workflow-grid {
    display: flex; align-items: flex-start; gap: 0; margin-bottom: 48px; justify-content: center;
}
.workflow-step {
    flex: 1; max-width: 300px; text-align: center; padding: 24px;
}
.step-number {
    font-family: var(--font-mono); font-size: 48px; font-weight: 700;
    color: var(--accent); opacity: 0.3; margin-bottom: 12px;
}
.workflow-step h3 { font-family: var(--font-mono); font-size: 16px; margin-bottom: 8px; }
.workflow-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.workflow-connector {
    display: flex; align-items: center; padding-top: 48px;
    color: var(--text-muted); font-size: 24px;
}

/* CODE PREVIEW */
.code-preview {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden; max-width: 700px; margin: 0 auto;
}
.code-header {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--border);
}
.code-dots { display: flex; gap: 6px; }
.code-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--text-muted); opacity: 0.5; }
.code-dots span:first-child { background: var(--accent-red); opacity: 0.7; }
.code-dots span:nth-child(2) { background: var(--accent-amber); opacity: 0.7; }
.code-dots span:nth-child(3) { background: var(--accent-green); opacity: 0.7; }
.code-title { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.code-body {
    padding: 24px; font-family: var(--font-mono); font-size: 13px;
    line-height: 1.8; overflow-x: auto; color: var(--text-secondary);
}
.code-prompt { color: var(--accent-green); font-weight: 700; }
.code-comment { color: var(--text-muted); font-style: italic; }
.code-output { color: var(--accent-green); }

/* ABOUT */
.about { padding: 100px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about-content p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 16px; }
.about-author { margin: 24px 0; padding: 20px; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); }
.author-info { display: flex; flex-direction: column; gap: 4px; }
.author-info strong { font-size: 16px; }
.author-info span { font-size: 13px; color: var(--text-secondary); }
.author-roles { font-family: var(--font-mono); font-size: 11px !important; color: var(--text-muted) !important; }
.about-links { display: flex; gap: 8px; }
.tech-stack-card, .regulation-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 24px; margin-bottom: 16px;
}
.tech-stack-card h4, .regulation-card h4 {
    font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.stack-item {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; color: var(--text-secondary); padding: 8px 0;
    border-bottom: 1px solid var(--border);
}
.stack-item:last-child { border-bottom: none; }
.stack-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.reg-items { display: flex; flex-wrap: wrap; gap: 8px; }
.reg-badge {
    font-family: var(--font-mono); font-size: 11px; color: var(--accent-blue);
    background: rgba(88, 166, 255, 0.1); padding: 6px 12px;
    border-radius: 4px; border: 1px solid rgba(88, 166, 255, 0.2);
}

/* REQUEST ACCESS SECTION */
.request-access {
    padding: 100px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}
.request-form {
    max-width: 640px; margin: 0 auto;
}
.form-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;
}
.form-group input,
.form-group select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    padding: 10px 14px;
    transition: border-color var(--transition);
    outline: none;
    -webkit-appearance: none;
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); }
.request-form .btn-primary { width: 100%; justify-content: center; padding: 14px; font-size: 15px; }
.form-note {
    text-align: center; font-size: 12px; color: var(--text-muted);
    margin-top: 12px; font-family: var(--font-mono);
}

/* FOOTER */
.footer { padding: 48px 0; border-top: 1px solid var(--border); }
.footer-inner { text-align: center; }
.footer-brand {
    display: flex; align-items: center; gap: 8px; justify-content: center;
    font-family: var(--font-mono); font-weight: 700; font-size: 15px; letter-spacing: 1px; margin-bottom: 12px;
}
.footer-disclaimer { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; max-width: 500px; margin-left: auto; margin-right: auto; }
.footer-links { display: flex; gap: 16px; justify-content: center; margin-bottom: 16px; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
.footer-links a:hover { color: var(--text-primary); }
.footer-copy { font-size: 12px; color: var(--text-muted); }

/* ANIMATIONS */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ============================================
   ENHANCEMENTS: Animations, Interactions & UI
   ============================================ */

/* SKIP TO CONTENT */
.skip-link {
    position: absolute; top: -100%; left: 16px;
    background: var(--accent); color: #fff;
    padding: 8px 16px; border-radius: 0 0 var(--radius) var(--radius);
    font-size: 13px; font-weight: 600; text-decoration: none; z-index: 10000;
    transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

/* RADAR SVG ANIMATION */
@keyframes radarSweep {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.hero-radar {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 700px; height: 700px;
    opacity: 0.06; pointer-events: none; z-index: 0;
}
.radar-sweep-arm {
    transform-origin: 300px 300px;
    animation: radarSweep 8s linear infinite;
}

/* TYPED TEXT CURSOR */
.typed-cursor {
    display: inline-block; width: 2px; height: 0.85em;
    background: var(--accent); vertical-align: middle;
    margin-left: 3px; animation: cursorBlink 0.8s step-end infinite;
}

/* BLINKING CURSOR IN CODE */
.code-blink-cursor {
    display: inline-block; width: 7px; height: 13px;
    background: var(--accent-green); vertical-align: text-bottom;
    animation: cursorBlink 1s step-end infinite; margin-left: 2px;
}

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

/* SCROLL-TO-TOP BUTTON */
.scroll-top-btn {
    position: fixed; bottom: 32px; right: 32px; z-index: 900;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text-secondary); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transform: translateY(10px); pointer-events: none;
    transition: all 0.3s ease;
}
.scroll-top-btn.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-top-btn:hover {
    background: var(--accent); color: #fff;
    border-color: var(--accent); transform: translateY(-2px);
}

/* NAV LINK UNDERLINE SLIDE-IN */
.nav-links a:not(.nav-github):not(.nav-cta) { position: relative; }
.nav-links a:not(.nav-github):not(.nav-cta)::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--accent); transition: width 0.25s ease;
}
.nav-links a:not(.nav-github):not(.nav-cta):hover::after { width: 100%; }

/* AGENT CARD HOVER — GLOW + SCALE */
.agent-card:hover {
    border-color: rgba(14, 165, 233, 0.3) !important;
    background: var(--bg-card-hover) !important;
    transform: translateY(-4px) scale(1.01) !important;
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.08), 0 12px 40px rgba(0,0,0,0.3) !important;
}

/* CODE PREVIEW PULSE */
@keyframes codePulse {
    0%, 100% { box-shadow: none; border-color: var(--border); }
    50% { box-shadow: 0 0 24px rgba(14, 165, 233, 0.1); border-color: rgba(14, 165, 233, 0.25); }
}
.code-preview { animation: codePulse 5s ease-in-out infinite; }

/* SECTION FADE-IN (IntersectionObserver) */
.fade-section {
    opacity: 0; transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-section.in-view { opacity: 1; transform: translateY(0); }

/* BUTTON SMOOTH TRANSITIONS */
.btn { transition: all 0.25s ease; }

/* ============================================
   AGENT PAGE COMPONENTS
   ============================================ */

/* FEATURE CARDS */
.features-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 16px; margin-top: 24px;
}
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 24px; transition: all 0.3s ease;
}
.feature-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.08);
    transform: translateY(-2px);
}
.feature-card-icon {
    width: 40px; height: 40px; border-radius: var(--radius);
    background: var(--accent-dim); display: flex; align-items: center;
    justify-content: center; color: var(--accent); margin-bottom: 12px; font-size: 18px;
}
.feature-card h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin: 0; }

/* PIPELINE (horizontal) */
.pipeline {
    display: flex; align-items: center; justify-content: center;
    flex-wrap: wrap; gap: 0; margin: 28px 0;
}
.pipeline-step {
    display: flex; flex-direction: column; align-items: center;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 14px 16px;
    min-width: 100px; text-align: center; transition: border-color 0.2s;
}
.pipeline-step:hover { border-color: var(--accent); }
.pipeline-step-icon { font-size: 22px; margin-bottom: 6px; }
.pipeline-step-label {
    font-size: 10px; font-family: var(--font-mono);
    color: var(--text-secondary); line-height: 1.3; text-transform: uppercase; letter-spacing: 0.3px;
}
.pipeline-arrow { color: var(--accent); font-size: 20px; padding: 0 6px; flex-shrink: 0; }

/* DUAL PIPELINE (vertical, 2 col) */
.dual-pipeline { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.pipeline-block {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px;
}
.pipeline-block h4 {
    font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.pipeline-vert { display: flex; flex-direction: column; }
.pipeline-vert-step {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius);
    font-size: 12px; font-family: var(--font-mono); color: var(--text-secondary);
    transition: background 0.2s;
}
.pipeline-vert-step:hover { background: rgba(255,255,255,0.03); }
.pipeline-vert-icon { font-size: 14px; width: 20px; text-align: center; flex-shrink: 0; }
.pipeline-vert-connector { width: 1px; height: 12px; background: var(--border); margin-left: 19px; }

/* TOKEN COMPARISON TABLE */
.compare-table {
    width: 100%; border-collapse: collapse; font-size: 13px;
    background: var(--bg-card); border-radius: var(--radius-lg);
    overflow: hidden; margin: 20px 0;
}
.compare-table th {
    background: rgba(0,0,0,0.3); color: var(--text-muted);
    padding: 12px 16px; text-align: left;
    font-size: 11px; font-family: var(--font-mono);
    text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
.compare-table td {
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    font-family: var(--font-mono); font-size: 12px; color: var(--text-secondary);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }
.col-green { color: var(--accent-green); font-weight: 600; }
.col-red { color: var(--accent-red); font-weight: 600; }
.col-label { color: var(--text-primary); }

/* CODE BLOCK */
.code-block {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden; margin: 20px 0;
}
.code-block-header {
    display: flex; align-items: center; gap: 8px; padding: 10px 16px;
    background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--border);
    font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
}
.code-block pre {
    padding: 20px; margin: 0; font-family: var(--font-mono); font-size: 12px;
    line-height: 1.8; overflow-x: auto; color: var(--text-secondary);
}
.cc { color: var(--text-muted); font-style: italic; }
.cp { color: var(--accent-green); font-weight: 600; }
.cs { color: var(--accent-blue); }

/* AUDIT / SAMPLE TABLE */
.audit-table {
    width: 100%; border-collapse: collapse;
    background: var(--bg-card); border-radius: var(--radius-lg);
    overflow: hidden; margin: 20px 0;
}
.audit-table th {
    background: rgba(0,0,0,0.3); padding: 10px 14px;
    text-align: left; font-size: 11px; font-family: var(--font-mono);
    color: var(--text-muted); text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}
.audit-table td {
    padding: 11px 14px; border-bottom: 1px solid var(--border);
    font-size: 12px; color: var(--text-secondary); font-family: var(--font-mono);
}
.audit-table tr:last-child td { border-bottom: none; }
.audit-table tr:hover td { background: rgba(255,255,255,0.02); }
.flag-ok { color: var(--accent-green); font-weight: 600; }
.flag-warn { color: var(--accent-amber); font-weight: 600; }
.flag-fail { color: var(--accent-red); font-weight: 600; }

/* VENDOR BADGES */
.vendor-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.vendor-badge {
    font-family: var(--font-mono); font-size: 12px;
    color: var(--accent-blue); background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.25); padding: 8px 18px; border-radius: 20px;
}

/* ARCH TREE */
.arch-tree {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px 24px;
    font-family: var(--font-mono); font-size: 12px; line-height: 1.9;
    overflow-x: auto; white-space: pre;
}
.arch-dir { color: var(--accent-blue); }
.arch-file { color: var(--text-secondary); }
.arch-comment { color: var(--text-muted); font-style: italic; }

/* AGENT PAGE SECTIONS */
.agent-section { padding: 40px 0; border-top: 1px solid var(--border); }
.agent-section h2 { font-family: var(--font-mono); font-size: 20px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.5px; }
.agent-section > .section-tag { display: block; margin-bottom: 8px; }
.agent-section p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px; font-size: 14px; }

/* ============================================
   PLATFORM ROADMAP
   ============================================ */

.platform-roadmap {
    margin-top: 56px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
}
.roadmap-header {
    text-align: center;
    margin-bottom: 36px;
}
.roadmap-header .coming-tag {
    display: inline-block; margin-bottom: 10px;
}
.roadmap-desc {
    color: var(--text-secondary); font-size: 15px; max-width: 580px;
    margin: 0 auto; line-height: 1.7;
}
.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.roadmap-cat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.roadmap-cat-header {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 14px; padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.roadmap-cat-icon { font-size: 18px; flex-shrink: 0; }
.roadmap-cat-header h4 {
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.8px;
    margin: 0;
}
.roadmap-items {
    display: flex; flex-direction: column; gap: 6px;
}
.roadmap-item {
    font-size: 12px; font-family: var(--font-mono);
    color: var(--text-muted);
    padding: 5px 10px; border-radius: 4px;
    background: rgba(139, 148, 158, 0.06);
    border: 1px solid transparent;
    transition: all 0.2s;
    display: flex; align-items: center; gap: 6px;
}
.roadmap-item:hover {
    color: var(--text-secondary);
    border-color: var(--border);
}
.roadmap-item.live {
    color: var(--accent-green);
    background: var(--accent-green-dim);
    border-color: rgba(16, 185, 129, 0.2);
}
.roadmap-item.live::before {
    content: ''; display: inline-block;
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--accent-green); flex-shrink: 0;
}
.roadmap-item.planned::before {
    content: ''; display: inline-block;
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--text-muted); flex-shrink: 0;
}

/* ============================================
   DEMO PAGE STYLES
   ============================================ */
.demo-hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 120px 24px 80px; position: relative;
}
.demo-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 48px; text-align: center;
    max-width: 560px; width: 100%;
}
.demo-coming-badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-mono); font-size: 11px; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    padding: 6px 14px; border-radius: 20px;
    margin-bottom: 28px;
}
.demo-icon {
    width: 64px; height: 64px; border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 24px; font-size: 28px;
}
.demo-title {
    font-family: var(--font-mono); font-size: 28px; font-weight: 700;
    margin-bottom: 12px; line-height: 1.2;
}
.demo-desc {
    color: var(--text-secondary); font-size: 15px; line-height: 1.7;
    margin-bottom: 32px;
}
.demo-upload-area {
    background: var(--bg-secondary); border: 2px dashed var(--border);
    border-radius: var(--radius-lg); padding: 32px; margin-bottom: 24px;
    color: var(--text-muted); font-size: 14px;
}
.demo-upload-area .upload-icon { font-size: 32px; margin-bottom: 12px; opacity: 0.4; }
.btn-disabled {
    background: var(--bg-secondary); color: var(--text-muted);
    border: 1px solid var(--border); cursor: not-allowed;
    opacity: 0.6; width: 100%; justify-content: center; margin-bottom: 12px;
}
.back-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--text-muted); text-decoration: none;
    font-size: 13px; font-family: var(--font-mono);
    margin-bottom: 24px; transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

/* RESPONSIVE ADDITIONS */
@media (max-width: 640px) {
    .features-grid { grid-template-columns: 1fr; }
    .dual-pipeline { grid-template-columns: 1fr; }
    .pipeline { flex-direction: column; align-items: stretch; gap: 8px; }
    .pipeline-arrow { transform: rotate(90deg); align-self: center; }
    .compare-table { font-size: 11px; }
    .compare-table th, .compare-table td { padding: 8px; }
    .hero-radar { width: 340px; height: 340px; }
    .scroll-top-btn { bottom: 20px; right: 20px; }
    .roadmap-grid { grid-template-columns: 1fr; }
    .platform-roadmap { padding: 28px 20px; }
    .form-grid { grid-template-columns: 1fr; }
    .nav-cta { display: none; }
}
@media (min-width: 641px) and (max-width: 900px) {
    .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.active {
        display: flex; flex-direction: column; position: absolute;
        top: 64px; left: 0; right: 0; background: var(--bg-primary);
        border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 12px;
    }
    .agents-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .workflow-grid { flex-direction: column; align-items: center; }
    .workflow-connector { transform: rotate(90deg); padding: 8px 0; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .stat-divider { display: none; }
    .coming-items { flex-direction: column; gap: 12px; }
}