:root {
  --color-canvas: #000;
  --color-canvas-warm: #000;
  --color-ink: #f4f2ec;
  --color-ink-muted: #a8a4a0;
  --color-ink-soft: #7a7772;
  --color-inverse-ink: #0b0b0b;
  --color-hairline: #ffffff1f;
  --color-hairline-strong: #ffffff42;
  --color-ghost: #ffffff0a;
  --color-accent-coral: #ff5c45;
  --font-display: "Space Grotesk", Arial, sans-serif;
  --font-sans: "IBM Plex Sans", "Inter", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Space Mono", monospace;
  --size-display-lg: 56px;
  --size-subhead: 20px;
  --radius-pill: 999px;
  --radius-md: 8px;
  --grid-margin: clamp(16px, 3vw, 40px);
  --container-max: 1276px;
  --container-wide: var(--container-max);
  --shell-width: min(var(--container-wide), calc(100% - var(--grid-margin) * 2));
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-canvas-warm);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: var(--shell-width);
  max-width: var(--container-max);
  margin-inline: auto;
}

.micro {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-size: 11px;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, var(--size-display-lg));
  letter-spacing: -0.039em;
  font-weight: 500;
  line-height: 0.98;
}

.subhead {
  font-size: clamp(1rem, 2vw, var(--size-subhead));
  color: var(--color-ink-muted);
  line-height: 1.4;
}

/* Topbar */
.project-topbar {
  position: sticky;
  top: 0;
  z-index: 55;
  border-bottom: 1px solid var(--color-hairline);
  background: color-mix(in srgb, #141412 82%, transparent);
  backdrop-filter: blur(28px) saturate(1.25);
}

.project-topbar__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: 64px;
}

.project-topbar__brand {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  text-decoration: none;
}

.project-topbar__logo {
  height: 28px;
  width: auto;
  max-width: 140px;
}

.project-topbar__nav {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-canvas) 74%, transparent);
}

.project-topbar__link {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
}

.project-topbar__link[aria-current="page"] {
  background: var(--color-ink);
  color: var(--color-inverse-ink);
}

.project-topbar__actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.project-topbar__landing {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-inverse-ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s;
}

.project-topbar__landing:hover {
  background: var(--color-accent-coral);
  border-color: var(--color-accent-coral);
  color: #191917;
}

.project-topbar__external-icon {
  position: relative;
  flex: none;
  width: 11px;
  height: 11px;
  border: 1px solid;
  border-radius: 2px;
}

.project-topbar__external-icon::before,
.project-topbar__external-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.project-topbar__external-icon::before {
  width: 7px;
  height: 1px;
  top: -3px;
  right: -3px;
  transform: rotate(-45deg);
  transform-origin: 100%;
}

.project-topbar__external-icon::after {
  top: -3px;
  right: -3px;
  width: 4px;
  height: 4px;
  background: transparent;
  border-top: 1px solid;
  border-right: 1px solid;
}

/* Hub layout */
.hub {
  min-height: calc(100vh - 64px);
  padding-block: 48px 80px;
  background: var(--color-canvas-warm);
}

.hub__shell {
  display: grid;
  gap: 32px;
}

.hub-page {
  display: grid;
  gap: 28px;
  max-width: 1120px;
}

.hub-page__kicker,
.hub-page__title,
.hub-page__desc {
  margin: 0;
}

.hub-dash__block {
  display: grid;
  gap: 16px;
}

.hub-dash__heading {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.hub-dash__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.hub-feature {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 184px;
  padding: 24px;
  border: 1px solid var(--color-hairline-strong);
  background: var(--color-canvas);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s, background-color 0.2s;
}

.hub-feature:hover {
  border-color: var(--color-accent-coral);
  background: color-mix(in srgb, var(--color-canvas) 90%, var(--color-accent-coral));
}

.hub-feature__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.hub-feature__desc {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 15px;
  line-height: 1.4;
}

.hub-feature__cta {
  margin-top: auto;
  color: var(--color-accent-coral);
  font-size: 14px;
  font-weight: 500;
}

.hub__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-hairline);
}

.hub__footer-logo {
  height: 28px;
  width: auto;
  max-width: 140px;
}

.hub__footer-version {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

@media (max-width: 720px) {
  .project-topbar__inner {
    grid-template-columns: auto auto;
    gap: 12px;
    padding-block: 10px;
  }

  .project-topbar__nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    overflow-x: auto;
  }

  .project-topbar__link {
    flex: 1;
    justify-content: center;
  }

  .hub {
    padding-block: 32px 56px;
  }
}