:root {
    --bg: #0d0f0e;
    --panel: #131614;
    --card: #161a17;
    --border: #1f2620;
    --border2: #2a312c;
    --accent: #00ff88;
    --accent2: #ffcc00;
    --warn: #ff4444;
    --text: #d4e0d6;
    --muted: #4a5e4e;
    --input-bg: #0a0c0b;
  }

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

  html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: 'Barlow Condensed', sans-serif;
    overflow-x: hidden;
  }

  /* Grid overlay */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
      repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(0,255,136,0.025) 40px),
      repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(0,255,136,0.015) 40px);
    pointer-events: none;
    z-index: 0;
  }

  /* Scanline effect */
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
      to bottom,
      transparent 0px,
      transparent 2px,
      rgba(0,0,0,0.08) 2px,
      rgba(0,0,0,0.08) 4px
    );
    pointer-events: none;
    z-index: 0;
  }

  /* TOPBAR */
  #topbar {
    height: 44px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    position: relative;
    z-index: 100;
    padding: 0 20px;
    gap: 0;
  }

  .tb-brand {
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-right: 20px;
    border-right: 1px solid var(--border);
    height: 100%;
  }

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

  @keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent); }
    50% { opacity: 0.4; box-shadow: none; }
  }

  .tb-status {
    margin-left: auto;
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 1px;
  }

  .tb-status span { color: var(--accent); }

  /* MAIN LAYOUT */
  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 40px 100px;
    position: relative;
    z-index: 1;
  }

  /* HEADER */
  header {
    margin-bottom: 72px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 40px;
  }

  .header-left {
    border-left: 4px solid var(--accent);
    padding-left: 24px;
  }

  .header-tag {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    color: var(--accent);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 10px;
    opacity: 0.8;
  }

  header h1 {
    font-size: clamp(44px, 7vw, 88px);
    font-weight: 900;
    line-height: 0.85;
    text-transform: uppercase;
    letter-spacing: -2px;
    color: #fff;
  }

  header h1 em {
    font-style: normal;
    color: var(--accent);
  }

  header h1 .line2 {
    display: block;
    color: var(--text);
    opacity: 0.3;
    font-size: 0.55em;
    letter-spacing: 0px;
    margin-top: 4px;
  }

  .header-meta {
    text-align: right;
  }

  .header-meta .ver {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 6px;
  }

  .header-meta .badge {
    display: inline-block;
    background: rgba(0,255,136,0.08);
    border: 1px solid rgba(0,255,136,0.3);
    color: var(--accent);
    font-family: 'Share Tech Mono', monospace;
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 5px 10px;
  }

  /* DIVIDER */
  .divider {
    height: 1px;
    background: linear-gradient(to right, var(--accent) 0%, rgba(0,255,136,0.15) 40%, transparent 100%);
    margin-bottom: 56px;
    position: relative;
  }

  .divider::before {
    content: '//';
    position: absolute;
    right: 0;
    top: -9px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 2px;
  }

  /* SECTION LABEL */
  .section-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 9px;
    letter-spacing: 4px;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }

  /* TOOL CARDS */
  .tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2px;
    margin-bottom: 60px;
  }

  @media (max-width: 900px) {
    .tools-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 560px) {
    .tools-grid { grid-template-columns: 1fr; }
  }

  .tool-card {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 40px 40px 36px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
  }

  .tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--card-accent, var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
  }

  .tool-card:hover {
    border-color: var(--border2);
    background: var(--card);
  }

  .tool-card:hover::before {
    transform: scaleX(1);
  }

  .tool-card:hover .card-arrow {
    transform: translateX(6px);
    opacity: 1;
  }

  .tool-card:hover .card-num {
    color: var(--card-accent, var(--accent));
  }

  .tool-card.calc       { --card-accent: var(--accent); }
  .tool-card.cam        { --card-accent: var(--accent2); }
  .tool-card.surface    { --card-accent: #00ccff; }
  .tool-card.deflection { --card-accent: #ff6b35; }
  .tool-card.grbl       { --card-accent: #cc66ff; }

  /* Corner marks */
  .tool-card::after {
    content: '';
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 16px;
    height: 16px;
    border-right: 1px solid var(--border2);
    border-bottom: 1px solid var(--border2);
    transition: border-color 0.2s;
  }

  .tool-card:hover::after {
    border-color: var(--card-accent, var(--accent));
  }

  /* Wide card shares a row with CAM — spans 2 of 3 columns */
  .tool-card.wide {
    grid-column: span 2;
    flex-direction: row;
    align-items: flex-start;
    gap: 40px;
    padding: 36px 40px;
  }

  .tool-card.wide .card-left {
    flex: 1;
  }

  .tool-card.wide .card-right {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 260px;
    padding-top: 4px;
  }

  .tool-card.wide .card-features {
    margin-bottom: 0;
  }

  .tool-card.wide .card-cta {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
  }

  @media (max-width: 900px) {
    .tool-card.wide {
      flex-direction: column;
      gap: 24px;
    }
    .tool-card.wide .card-right {
      min-width: unset;
    }
  }

  .card-num {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 28px;
    transition: color 0.2s;
  }

  .card-icon {
    width: 52px;
    height: 52px;
    border: 1px solid var(--border2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background: var(--input-bg);
    color: var(--card-accent, var(--accent));
    transition: border-color 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
  }

  .tool-card:hover .card-icon {
    border-color: var(--card-accent, var(--accent));
  }

  .card-icon svg {
    width: 24px;
    height: 24px;
  }

  .card-title {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    line-height: 0.95;
    color: #fff;
    margin-bottom: 14px;
  }

  .card-title span {
    color: var(--card-accent, var(--accent));
  }

  .card-desc {
    font-size: 14px;
    font-weight: 300;
    color: var(--muted);
    line-height: 1.5;
    letter-spacing: 0.3px;
    margin-bottom: 32px;
    max-width: 320px;
  }

  .tool-card.wide .card-desc {
    max-width: 560px;
  }

  .card-features {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 36px;
  }

  .card-feat {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .card-feat::before {
    content: '›';
    color: var(--card-accent, var(--accent));
    font-size: 12px;
  }

  .card-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }

  .cta-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--card-accent, var(--accent));
  }

  .card-arrow {
    font-size: 14px;
    color: var(--card-accent, var(--accent));
    opacity: 0.5;
    transition: transform 0.2s, opacity 0.2s;
  }

  /* Wide card feature grid */
  .wide-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 24px;
    margin-bottom: 0;
  }

  /* STATUS BAR */
  .status-bar {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 2px;
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .status-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--muted);
  }

  .status-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
    animation: pulse 2.5s ease-in-out infinite;
  }

  .status-dot.yellow {
    background: var(--accent2);
    box-shadow: 0 0 6px var(--accent2);
  }

  .status-item span { color: var(--text); }

  .status-sep {
    width: 1px;
    height: 20px;
    background: var(--border);
  }

  /* FOOTER */
  footer {
    margin-top: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }

  .footer-brand {
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--muted);
    text-transform: uppercase;
  }

  .footer-brand em {
    font-style: normal;
    color: var(--accent);
  }

  .footer-info {
    font-family: 'Share Tech Mono', monospace;
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--muted);
  }

  /* Entrance animations */
  .fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.5s ease forwards;
  }

  @keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
  }

  .delay-1 { animation-delay: 0.1s; }
  .delay-2 { animation-delay: 0.2s; }
  .delay-3 { animation-delay: 0.35s; }
  .delay-4 { animation-delay: 0.5s; }
  .delay-5 { animation-delay: 0.65s; }
  .delay-6 { animation-delay: 0.78s; }

  /* NEW badge */
  .new-badge {
    display: inline-block;
    background: rgba(204,102,255,0.12);
    border: 1px solid rgba(204,102,255,0.4);
    color: #cc66ff;
    font-family: 'Share Tech Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 2px 7px;
    vertical-align: middle;
    margin-left: 8px;
    position: relative;
    top: -1px;
  }

  /* Responsive */
  @media (max-width: 700px) {
    .container { padding: 40px 20px 60px; }
    header { grid-template-columns: 1fr; gap: 20px; }
    .header-meta { text-align: left; }
    .tools-grid { grid-template-columns: 1fr; }
    .tool-card { padding: 28px 24px; }
    .tool-card.wide { padding: 28px 24px; }
    .wide-features-grid { grid-template-columns: 1fr; }
  }