.site-shell {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
}

.public-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.public-header__inner {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 800;
  text-decoration: none;
}

.brand__mark {
  width: 2rem;
  height: 2rem;
}

.public-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero {
  padding: clamp(3rem, 9vw, 7rem) 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.hero__content {
  max-width: 47rem;
}

.hero__eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-brand-700);
  font-size: var(--font-size-sm);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__lead {
  max-width: 43rem;
  font-size: var(--font-size-lg);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.section {
  padding: var(--space-10) 0;
}

.page-section {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
  padding: var(--space-8) 0;
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: var(--space-5);
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
}

.sidebar__header {
  margin-bottom: var(--space-8);
}

.sidebar__nav {
  display: grid;
  gap: var(--space-2);
}

.sidebar__section-label {
  margin: var(--space-6) var(--space-3) var(--space-2);
  color: var(--color-text-soft);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.workspace {
  min-width: 0;
}

.workspace__topbar {
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.workspace__body {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 2rem);
  padding-bottom: calc(var(--mobile-nav-height) + var(--space-8));
}

.page-heading {
  margin-bottom: var(--space-6);
}

.page-heading__description {
  max-width: 48rem;
  margin-bottom: 0;
}

.mobile-nav {
  display: none;
}

.public-footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.public-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero__grid,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .mobile-nav {
    position: fixed;
    z-index: var(--z-nav);
    left: 0;
    right: 0;
    bottom: 0;
    min-height: var(--mobile-nav-height);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(14px);
  }

  .mobile-nav__item {
    min-width: 0;
    min-height: var(--mobile-nav-height);
    display: grid;
    place-content: center;
    gap: 0.2rem;
    padding: var(--space-2);
    color: var(--color-text-soft);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-align: center;
    text-decoration: none;
  }

  .mobile-nav__item--active {
    color: var(--color-brand-700);
  }
}

@media (max-width: 620px) {
  .public-header__inner {
    min-height: 4rem;
  }

  .public-nav .button--secondary {
    display: none;
  }

  .hero {
    padding: var(--space-10) 0;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__actions .button {
    width: 100%;
  }

  .workspace__topbar {
    min-height: 3.75rem;
  }
}