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

  :root {
    --bg-deep: #0a1a0e;
    --bg-mid: #0f2916;
    --bg-card: rgba(15, 41, 22, 0.7);
    --green-1: #1a5c2e;
    --green-2: #25eb5a;
    --green-3: #3bf66a;
    --green-4: #60fa8a;
    --green-5: #93fcb5;
    --green-glow: rgba(59, 246, 100, 0.15);
    --text-primary: #e2f0e6;
    --text-secondary: #94b89e;
    --text-muted: #648b70;
    --accent: #d3eb22;
    --accent-glow: rgba(211, 235, 34, 0.2);
    --border: rgba(59, 246, 100, 0.12);
    --border-hover: rgba(59, 246, 100, 0.3);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* ── Canvas Background ── */
  #bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
  }

  /* ── Gradient Orbs ── */
  .orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
  }
  .orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--green-2), transparent 70%);
    top: -200px; left: -100px;
    animation: orb-drift-1 25s ease-in-out infinite;
  }
  .orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--accent), transparent 70%);
    bottom: -150px; right: -100px;
    animation: orb-drift-2 30s ease-in-out infinite;
  }
  .orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #63f67a, transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: orb-drift-3 20s ease-in-out infinite;
  }

  @keyframes orb-drift-1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(80px, 40px) scale(1.1); }
    66% { transform: translate(-40px, 80px) scale(0.95); }
  }
  @keyframes orb-drift-2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-60px, -30px) scale(1.05); }
    66% { transform: translate(50px, -60px) scale(0.9); }
  }
  @keyframes orb-drift-3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
    50% { transform: translate(-40%, -60%) scale(1.2); opacity: 0.35; }
  }

  /* ── Layout ── */
  .wrapper {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ── Nav ── */
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 26, 14, 0.6);
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 1em;
    text-decoration: none;
    color: var(--text-primary);
  }

  .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--green-2), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 0 20px var(--green-glow);
    animation: logo-pulse 4s ease-in-out infinite;
  }

  @keyframes logo-pulse {
    0%, 100% { box-shadow: 0 0 20px var(--green-glow); }
    50% { box-shadow: 0 0 35px var(--green-glow), 0 0 60px var(--accent-glow); }
  }

  .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
  }

  .logo-text span {
    background: linear-gradient(135deg, var(--green-4), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
  }

  .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    filter: drop-shadow(1px 1px 3px #000000);
  }

  .nav-links a:hover {
    color: var(--text-primary);
    background: var(--green-glow);
    border-color: var(--border-hover);
  }

  .nav-links i {
    font-size: 0.8em;
  }

  /* ── Hero ── */
  .hero {
    padding: 100px 0 80px;
    text-align: center;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--green-glow);
    border: 1px solid var(--border-hover);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--green-4);
    margin-bottom: 28px;
    animation: fade-in-up 0.8s ease-out;
  }

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

  @keyframes dot-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  .hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fade-in-up 0.8s ease-out 0.1s both;
  }

  .hero h1 .gradient {
    background: linear-gradient(135deg, var(--green-4) 0%, var(--accent) 50%, #8bfa9b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 6s ease-in-out infinite;
  }

  @keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    animation: fade-in-up 0.8s ease-out 0.2s both;
  }

  .hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fade-in-up 0.8s ease-out 0.3s both;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--green-2), var(--green-3));
    color: #000;
    box-shadow: 0 4px 20px rgba(37, 235, 90, 0.3);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 235, 90, 0.4);
  }

  .btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }

  .btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(37, 235, 90, 0.08);
    transform: translateY(-2px);
  }

  @keyframes fade-in-up {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── Features ── */
  .features {
    padding: 60px 0;
  }

  .section-label {
    text-align: center;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--green-4);
    margin-bottom: 12px;
    font-weight: 600;
  }

  .section-title {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 48px;
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }

  .feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(12px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--green-glow), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
  }

  .feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  }

  .feature-card:hover::before {
    opacity: 1;
  }

  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
  }

  .feature-icon i {
    color: #000;
    font-size: 1.5em;
  }

  .feature-card:nth-child(1) .feature-icon { background: linear-gradient(135deg, #25eb5a, #3bf66a); }
  .feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg, #d3eb22, #85e045); }
  .feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg, #8bf6a0, #8bfa9b); }
  .feature-card:nth-child(4) .feature-icon { background: linear-gradient(135deg, #059669, #34d399); }
  .feature-card:nth-child(5) .feature-icon { background: linear-gradient(135deg, #45d906, #a3fbb4); }
  .feature-card:nth-child(6) .feature-icon { background: linear-gradient(135deg, #1d96e8, #71d0fb); }

  .feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
  }

  .feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
  }

  /* ── Quickstart ── */
  .quickstart {
    padding: 60px 0;
  }

  .quickstart-terminal {
    background: rgba(10, 26, 14, 0.85);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    max-width: 910px;
    margin: 0 auto;
  }

  .quickstart-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: rgba(15, 41, 22, 0.5);
  }

  .quickstart-tab {
    padding: 12px 24px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    border: none;
    background: none;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    font-weight: 500;
  }

  .quickstart-tab:hover {
    color: var(--text-secondary);
  }

  .quickstart-tab.active {
    color: var(--green-4);
    border-bottom-color: var(--green-4);
    background: rgba(37, 235, 90, 0.05);
  }

  .quickstart-body {
    padding: 24px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    min-height: 120px;
  }

  .quickstart-tab-content {
    display: none;
  }

  .quickstart-tab-content.active {
    display: block;
  }

  .quickstart-line {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }

  .quickstart-prompt {
    color: var(--accent);
    white-space: nowrap;
    user-select: none;
  }

  .quickstart-cmd {
    color: var(--text-primary);
  }

  .quickstart-comment {
    color: var(--text-muted);
    opacity: 0.5;
  }

  .copy-btn {
    margin-left: auto;
    padding: 2px 10px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(37, 235, 90, 0.08);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
  }

  .quickstart-line:hover .copy-btn {
    opacity: 1;
  }

  .copy-btn:hover {
    color: var(--green-4);
    border-color: var(--border-hover);
    background: rgba(37, 235, 90, 0.15);
  }

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

  @media (max-width: 640px) {
    .copy-btn { opacity: 1; }
    .quickstart-tab { padding: 10px 16px; font-size: 0.72rem; }
  }

  /* ── Terminal Demo ── */
  .terminal-section {
    padding: 60px 0;
  }

  .terminal {
    background: rgba(10, 26, 14, 0.85);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    max-width: 550px;
    margin: 0 auto;
  }

  .terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(15, 41, 22, 0.5);
  }

  .terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
  }
  .terminal-dot.red { background: #ef4444; }
  .terminal-dot.yellow { background: #f59e0b; }
  .terminal-dot.green { background: #22c55e; }

  .terminal-title {
    margin-left: auto;
    margin-right: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
  }

  .terminal-body {
    padding: 24px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    min-height: 200px;
  }

  .terminal-line {
    display: flex;
    gap: 12px;
  }

  .terminal-prompt {
    color: var(--accent);
    white-space: nowrap;
  }

  .terminal-output {
    color: var(--text-secondary);
  }

  .terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 18px;
    background: var(--green-4);
    animation: cursor-blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
  }

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

  /* ── Welcome Box (matches real Wisemonkey welcome) ── */
  .welcome-box {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: clamp(0.35rem, 1.1vw, 0.55rem);
    line-height: 1.1;
    color: var(--green-4);
    white-space: pre;
    overflow-x: auto;
    padding: 8px 0;
  }

  .welcome-separator {
    color: var(--border-hover);
    white-space: pre;
    font-size: clamp(0.35rem, 1.1vw, 0.55rem);
    line-height: 1.1;
    overflow-x: auto;
  }

  .welcome-info {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.78rem;
    line-height: 1.7;
    color: var(--text-secondary);
    padding: 4px 0 0;
  }

  .welcome-info .arrow {
    color: var(--green-4);
  }

  .welcome-info .highlight {
    color: var(--text-primary);
  }

  .welcome-info .muted {
    color: var(--text-muted);
  }

  .welcome-info .check {
    color: var(--green-3);
  }

  @media (max-width: 640px) {
    .welcome-box { font-size: 0.32rem; padding: 4px 0; }
    .welcome-separator { font-size: 0.32rem; }
    .welcome-info { font-size: 0.7rem; }
    .terminal-body { padding: 16px; }
  }

  /* ── Configuration ── */
  .config {
    padding: 60px 0;
  }

  .config-terminal {
    background: rgba(10, 26, 14, 0.85);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    max-width: 820px;
    margin: 0 auto;
  }

  .config-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: rgba(15, 41, 22, 0.5);
  }

  .config-tab {
    padding: 12px 24px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    border: none;
    background: none;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    font-weight: 500;
  }

  .config-tab:hover {
    color: var(--text-secondary);
  }

  .config-tab.active {
    color: var(--green-4);
    border-bottom-color: var(--green-4);
    background: rgba(37, 235, 90, 0.05);
  }

  .config-body {
    padding: 28px 32px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.82rem;
    line-height: 1.85;
    overflow-x: auto;
  }

  .config-tab-content {
    display: none;
  }

  .config-tab-content.active {
    display: block;
  }

  .config-line {
    white-space: pre;
  }

  .config-key {
    color: var(--green-4);
  }

  .config-val {
    color: #e8c97a;
  }

  .config-punct {
    color: var(--text-muted);
  }

  .config-comment {
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.7;
  }

  .config-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    max-width: 820px;
    margin: 32px auto 0;
  }

  .config-feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
  }

  .config-feature:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
  }

  .config-feature-icon {
    font-size: 2.0rem;
    margin-bottom: 7px;
  }

  .config-feature h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
  }

  .config-feature p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
  }

  .config-feature code {
    color: var(--green-4);
    background: rgba(37, 235, 90, 0.08);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.8em;
  }

  .config-feature kbd {
    background: rgba(37, 235, 90, 0.1);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 0.8em;
    color: var(--text-secondary);
    font-family: inherit;
  }

  @media (max-width: 640px) {
    .config-body { padding: 20px; font-size: 0.72rem; }
    .config-tab { padding: 10px 16px; font-size: 0.72rem; }
    .config-features { grid-template-columns: 1fr; }
  }

  /* ── Stats ── */
  .stats {
    padding: 40px 0 80px;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
  }

  .stat-card {
    text-align: center;
    padding: 28px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
  }

  .stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
  }

  .stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--green-4), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
  }

  .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  /* ── Footer ── */
  footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
  }

  footer a {
    color: var(--green-4);
    text-decoration: none;
    transition: color 0.3s;
  }

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

  /* ── Scroll animations ── */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── Responsive ── */
  @media (max-width: 640px) {
    .nav-links { display: none; }
    .hero { padding: 60px 0 48px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .features-grid { grid-template-columns: 1fr; }
    .terminal-body { font-size: 0.78rem; padding: 16px; }
  }