@layer components {
  body {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    min-block-size: 100vh;
  }

  body > header,
  body > main,
  body > footer {
    inline-size: min(100%, calc(var(--main-width) + (var(--main-padding) * 2)));
    margin-inline: auto;
  }

  body > header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-block-end: var(--border);
    padding-block-start: max(var(--block-space), var(--safe-top));
    padding-block-end: var(--block-space);
    padding-inline: calc(var(--main-padding) + var(--safe-left)) calc(var(--main-padding) + var(--safe-right));
  }

  .brand-logo {
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: lowercase;
    letter-spacing: -0.05em;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    vertical-align: middle;
  }

  .brand-logo img {
    flex-shrink: 0;
    /* Optical alignment for different font sizes */
    margin-block-start: -0.05em;
  }

  a.brand-logo:hover,
  .brand-logo:hover {
    color: var(--color-link-hover);
  }

  .site-title {
    font-size: var(--text-xl);
    text-decoration: none;
    color: var(--color-ink-darker);
  }

  .site-nav {
    display: flex;
    align-items: center;
  }

  .site-nav-toggle {
    display: none;
  }

  .site-nav-links {
    display: flex;
    gap: var(--block-space);
    align-items: center;
  }

  .site-nav-links a {
    text-decoration: none;
    color: var(--color-ink-medium);
  }

  .site-nav-links a:hover {
    color: var(--color-link);
  }

  @media (max-width: 42rem) {
    .site-nav {
      position: static;
    }

    .site-nav-toggle {
      display: inline-flex;
      padding-inline: 0.75rem;
      min-block-size: 2rem;
      font-size: var(--text-sm);
    }

    .site-nav-toggle::after {
      content: "";
      display: inline-block;
      margin-inline-start: 0.4rem;
      border-inline: 0.25em solid transparent;
      border-block-start: 0.25em solid currentColor;
      vertical-align: middle;
      opacity: 0.8;
    }

    .site-nav-links {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      z-index: var(--z-overlay);
      background: var(--color-canvas);
      border-block-end: var(--border);
      box-shadow: var(--shadow);
      flex-direction: column;
      padding: 0.75rem calc(var(--main-padding) + var(--safe-left));
      align-items: flex-start;
      gap: 0;
    }

    .site-nav-links.is-open {
      display: flex;
    }

    .site-nav-links a {
      display: block;
      inline-size: 100%;
      padding: 0.5rem 0.75rem;
      border-radius: var(--radius-sm);
    }

    .site-nav-links a:hover {
      background: var(--surface-panel);
    }
  }

  body > main {
    padding-block: var(--block-space-double) var(--block-space-triple);
    padding-inline: calc(var(--main-padding) + var(--safe-left)) calc(var(--main-padding) + var(--safe-right));
    min-inline-size: 0;
  }

  body > main > * {
    inline-size: min(100%, var(--main-width));
    min-inline-size: 0;
  }

  body > footer {
    border-block-start: var(--border);
    color: var(--color-ink-medium);
    font-size: var(--text-sm);
    padding-block: var(--block-space-double) max(var(--block-space-double), var(--safe-bottom));
    padding-inline: calc(var(--main-padding) + var(--safe-left)) calc(var(--main-padding) + var(--safe-right));
  }

  body > footer p {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0;
  }

  @media (max-width: 42rem) {
    body > main {
      padding-block: var(--block-space-double);
    }
  }

  .section-stack > * + * {
    margin-block-start: var(--block-space-triple);
  }

  /* Project layout: no padding, full-bleed */
  body.project-layout {
    display: block;
  }

  body.project-layout > main {
    padding: 0;
    inline-size: 100%;
    max-inline-size: 100%;
  }

  body.project-layout > main > * {
    inline-size: 100%;
    max-inline-size: 100%;
    margin-inline: 0;
  }
}