.container {
  width: min(var(--max), calc(100% - 3rem));
  margin-inline: auto;
}
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 88px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 1.5rem;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  background: var(--brand);
  color: var(--accent);
  width: 40px;
  height: 40px;
  border-radius: 12px;
}
.header-inner nav,
.footer nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}
.header-inner nav a:hover {
  color: var(--brand);
}
main {
  min-height: 65vh;
  padding-block: 1.5rem 4rem;
}
.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}
.footer p {
  font-size: 0.875rem;
  color: var(--muted);
}
.listing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.page-heading,
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-block: 1.5rem;
}
.page-heading h1,
.section-heading h2 {
  margin-bottom: 0.4rem;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
}
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 2rem;
  align-items: start;
}
.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.actions form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
@media (max-width: 850px) {
  .listing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .header-inner {
    gap: 1rem;
    flex-wrap: wrap;
    padding-block: 1rem;
  }
  .header-inner nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 0.75rem;
  }
  .footer {
    flex-direction: column;
  }
}
@media (max-width: 560px) {
  .container {
    width: calc(100% - 2rem);
  }
  .listing-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .header-inner > .button {
    font-size: 0.875rem;
    padding: 0.6rem 0.8rem;
  }
  .brand {
    font-size: 1.25rem;
  }
  .footer nav {
    gap: 1rem;
  }
}