:root {
      --background: #080c0e;
      --sidebar: #0c1113;
      --panel: #101719;
      --panel-hover: #141d1f;
      --border: #293537;

      --text-primary: #f1f5f4;
      --text-secondary: #a5b0ae;
      --text-muted: #6f7d7a;

      --teal: #25b7a4;
      --teal-hover: #35c9b5;

      --success: #91c95f;
      --warning: #d5a74d;
      --risk: #d35d5d;

      --sidebar-width: 260px;
      --content-width: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--background);
      color: var(--text-primary);
      font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    a {
      transition:
        color 160ms ease,
        background-color 160ms ease,
        border-color 160ms ease;
    }

    .mono {
      font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;
    }

    .site-shell {
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar-width);
      display: flex;
      flex-direction: column;
      padding: 28px 24px;
      border-right: 1px solid var(--border);
      background: var(--sidebar);
    }

    .brand {
      padding-bottom: 28px;
      border-bottom: 1px solid var(--border);
    }

    .brand-mark {
      margin: 0;
      color: var(--teal);
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.08em;
    }

    .brand-role {
      margin: 10px 0 0;
      color: var(--text-secondary);
      font-size: 0.72rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .nav {
      display: grid;
      gap: 8px;
      margin-top: 30px;
    }

    .nav a {
      position: relative;
      padding: 11px 12px;
      color: var(--text-secondary);
      border: 1px solid transparent;
      font-size: 0.92rem;
    }

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

   .nav a.active {
  color: var(--teal);
  border-color: var(--border);
  background: var(--panel);
}

.nav a.active::after {
  content: "";
  position: absolute;
  top: 8px;
  right: -13px;
  bottom: 8px;
  width: 2px;
  background: var(--teal);
}

    .system-status {
      margin-top: 34px;
      padding-top: 24px;
      border-top: 1px solid var(--border);
    }

    .sidebar-heading {
      margin: 0 0 16px;
      color: var(--text-muted);
      font-size: 0.68rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .status-list {
      display: grid;
      gap: 12px;
    }

    .status-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--text-secondary);
      font-size: 0.75rem;
    }

    .status-label::before {
      content: "●";
      margin-right: 8px;
      color: var(--success);
    }

    .status-value {
      color: var(--text-muted);
    }

    .sidebar-footer {
      margin-top: auto;
      padding-top: 24px;
      border-top: 1px solid var(--border);
    }

    .sidebar-footer p {
      margin: 0;
      color: var(--text-muted);
      font-size: 0.72rem;
      line-height: 1.7;
    }

    .main {
      margin-left: var(--sidebar-width);
      min-height: 100vh;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 10;
      display: flex;
      justify-content: space-between;
      align-items: center;
      min-height: 62px;
      padding: 0 34px;
      border-bottom: 1px solid var(--border);
      background: rgba(8, 12, 14, 0.94);
      backdrop-filter: blur(14px);
    }

    .topbar-left,
    .topbar-right {
      color: var(--text-muted);
      font-size: 0.76rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .topbar-left span {
      color: var(--teal);
    }

    .content {
      width: min(var(--content-width), calc(100% - 64px));
      margin: 0 auto;
      padding: 72px 0 90px;
    }

    .hero {
      display: grid;
      grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.75fr);
      gap: 48px;
      align-items: start;
      padding-bottom: 64px;
      border-bottom: 1px solid var(--border);
    }

    .eyebrow {
      margin: 0 0 20px;
      color: var(--teal);
      font-size: 0.78rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    h1 {
      margin: 0;
      font-size: clamp(3.5rem, 8vw, 6.8rem);
      line-height: 0.92;
      letter-spacing: -0.065em;
    }

    .hero-description {
      max-width: 720px;
      margin: 28px 0 0;
      color: var(--text-secondary);
      font-size: 1.12rem;
      line-height: 1.75;
    }

    .focus-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 30px;
    }

    .tag {
      padding: 8px 10px;
      border: 1px solid var(--border);
      color: var(--text-secondary);
      font-size: 0.72rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .focus-panel {
      padding: 24px;
      border: 1px solid var(--border);
      background: var(--panel);
    }

    .panel-label {
      margin: 0 0 18px;
      color: var(--teal);
      font-size: 0.74rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .focus-panel ul {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .focus-panel li::before {
      content: ">";
      margin-right: 10px;
      color: var(--teal);
    }

    .focus-status {
      margin: 22px 0 0;
      padding-top: 18px;
      border-top: 1px solid var(--border);
      color: var(--text-muted);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .focus-status span {
      color: var(--success);
    }

    .section {
      padding: 72px 0;
      border-bottom: 1px solid var(--border);
      scroll-margin-top: 70px;
    }

    .section-header {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-heading {
      margin: 0;
      font-size: 1.4rem;
      letter-spacing: -0.025em;
    }

    .section-description {
      max-width: 620px;
      margin: 10px 0 0;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .section-link {
      color: var(--teal);
      font-size: 0.78rem;
      white-space: nowrap;
    }

    .section-link:hover {
      color: var(--teal-hover);
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
   .card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
}
    }

    .card:hover {
      border-color: #3c4c4e;
      background: var(--panel-hover);
    }

    .card-index {
      margin: 0 0 30px;
      color: var(--teal);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
    }

    .card h3 {
      margin: 0;
      font-size: 1.15rem;
    }

    .card p {
      margin: 14px 0 0;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    .card-footer {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-top: auto;
      padding-top: 24px;
      color: var(--text-muted);
      font-size: 0.7rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .status-published {
      color: var(--success);
    }

    .status-draft {
      color: var(--warning);
    }

    .framework-list,
    .notes-list {
      border: 1px solid var(--border);
      background: var(--panel);
    }

    .list-row {
      display: grid;
      grid-template-columns: 180px 1fr 140px;
      gap: 24px;
      align-items: center;
      min-height: 72px;
      padding: 18px 22px;
      border-bottom: 1px solid var(--border);
    }

    .list-row:last-child {
      border-bottom: 0;
    }

    .list-row:hover {
      background: var(--panel-hover);
    }

    .list-type {
      color: var(--teal);
      font-size: 0.72rem;
      letter-spacing: 0.07em;
      text-transform: uppercase;
    }

    .list-title {
      color: var(--text-primary);
      font-size: 0.95rem;
    }

    .list-status {
      color: var(--text-muted);
      font-size: 0.7rem;
      text-align: right;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
    }

    .about-copy {
      color: var(--text-secondary);
      font-size: 1rem;
      line-height: 1.8;
    }

    .about-copy p {
      margin: 0 0 20px;
    }

    .capabilities {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .capabilities li {
      padding: 12px 14px;
      border: 1px solid var(--border);
      color: var(--text-secondary);
      background: var(--panel);
      font-size: 0.86rem;
    }

    .footer {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      padding-top: 34px;
      color: var(--text-muted);
      font-size: 0.72rem;
    }

    @media (max-width: 900px) {
      .sidebar {
        position: static;
        width: 100%;
        min-height: auto;
      }

      .system-status,
      .sidebar-footer {
        display: none;
      }

      .nav {
        display: flex;
        flex-wrap: wrap;
      }

      .main {
        margin-left: 0;
      }

      .hero,
      .about-grid {
        grid-template-columns: 1fr;
      }

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

      .list-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .list-status {
        text-align: left;
      }
    }

    @media (max-width: 600px) {
      .sidebar {
        padding: 24px 18px;
      }

      .topbar {
        padding: 0 20px;
      }

      .topbar-right {
        display: none;
      }

      .content {
        width: min(100% - 36px, var(--content-width));
        padding-top: 48px;
      }

      .hero {
        gap: 34px;
      }

      .section {
        padding: 54px 0;
      }

      .section-header,
      .footer {
        align-items: flex-start;
        flex-direction: column;
      }

      h1 {
        font-size: clamp(3.1rem, 18vw, 5rem);
      }
    }