@layer components {
  /* ---- Header ---- */
  .site-header {
    padding: var(--space-6) var(--page-gutter);
    border-bottom: var(--border);
  }

  .site-header__inner {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    max-width: var(--content-width);
    margin: 0 auto;
  }

  .site-header__logo {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-ink);
  }

  .site-header__mark {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 400;
    letter-spacing: -0.03em;
  }

  .site-header__wordmark {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-header__nav {
    display: flex;
    gap: var(--space-6);
  }

  .site-header__link {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-muted);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-transform: uppercase;

    &:hover {
      color: var(--color-ink);
    }
  }

  /* ---- Hero ---- */
  .landing-hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* dvh handles mobile browser chrome; vh fallback for older engines */
    min-height: calc(100vh - 10rem);
    min-height: calc(100dvh - 10rem);
    padding: clamp(var(--space-12), 12vw, var(--space-32)) var(--page-gutter);
    max-width: var(--content-width);
    margin: 0 auto;
  }

  .landing-hero__kicker {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-muted);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-block-end: clamp(var(--space-6), 4vw, var(--space-10));
  }

  .landing-hero__headline {
    font-family: var(--font-display);
    /* Smaller floor for narrow phones, generous ceiling for desktop */
    font-size: clamp(2.5rem, 11vw, 6.5rem);
    font-weight: 400;
    line-height: 0.92;
    letter-spacing: -0.04em;
    color: var(--color-ink);
    text-wrap: balance;
  }

  .landing-hero__line {
    display: block;
  }

  /* ---- Moment of delight: staggered ink-press reveal ----
     The headline arrives a beat after the kicker, like type
     being set on a page. Honors prefers-reduced-motion. */
  .landing-hero__kicker,
  .landing-hero__line {
    opacity: 0;
    transform: translateY(0.5rem);
    animation: landing-ink-press 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .landing-hero__kicker        { animation-delay: 0.05s; }
  .landing-hero__line--first   { animation-delay: 0.25s; }
  .landing-hero__line--second  { animation-delay: 0.40s; }

  @keyframes landing-ink-press {
    from {
      opacity: 0;
      transform: translateY(0.5rem);
      filter: blur(2px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
      filter: blur(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .landing-hero__kicker,
    .landing-hero__line {
      opacity: 1;
      transform: none;
      animation: none;
      filter: none;
    }
  }

  /* ---- Prose (privacy, terms) ---- */
  .page-prose {
    max-width: var(--content-narrow);
    margin: 0 auto;
    padding: var(--space-16) var(--page-gutter) var(--space-24);

    & h1 {
      font-family: var(--font-display);
      font-size: var(--text-4xl);
      font-weight: 400;
      letter-spacing: -0.03em;
      line-height: 1;
      margin-block-end: var(--space-12);
    }

    & h2 {
      font-family: var(--font-display);
      font-size: var(--text-xl);
      font-weight: 400;
      letter-spacing: -0.01em;
      margin-block-start: var(--space-10);
      margin-block-end: var(--space-3);

      & a {
        color: inherit;
        text-decoration: underline;
      }
    }

    & p {
      font-family: var(--font-body);
      margin-block-end: var(--space-4);
      line-height: 1.75;
      color: var(--color-ink-light);
    }

    & ul, & ol {
      margin-block-end: var(--space-4);
      padding-inline-start: var(--space-6);
      color: var(--color-ink-light);
      line-height: 1.75;
    }

    & h3 {
      font-family: var(--font-display);
      font-size: var(--text-base);
      font-weight: 500;
      letter-spacing: -0.005em;
      margin-block-start: var(--space-8);
      margin-block-end: var(--space-2);
    }

    & pre {
      font-family: var(--font-mono);
      font-size: var(--text-sm);
      line-height: 1.6;
      background: var(--color-surface-sunken, #f6f4f0);
      padding: var(--space-4);
      border-radius: 4px;
      overflow-x: auto;
      white-space: pre;
      margin-block-end: var(--space-4);

      & code {
        background: transparent;
        padding: 0;
        font-size: inherit;
      }
    }

    & code {
      font-family: var(--font-mono);
      font-size: 0.92em;
    }
  }

  /* ---- MCP tool catalogue (definition list) ---- */
  .mcp-tools {
    margin-block-end: var(--space-6);

    & dt {
      margin-block-start: var(--space-4);
      margin-block-end: var(--space-1);

      & code {
        font-family: var(--font-mono);
        font-size: var(--text-sm);
      }
    }

    & dd {
      margin-inline-start: 0;
      color: var(--color-ink-light);
      line-height: 1.65;
      font-family: var(--font-body);
    }
  }

  /* ---- Footer ---- */
  .site-footer {
    border-top: var(--border);
    padding: var(--space-10) var(--page-gutter);
    margin-block-start: var(--space-16);
  }

  .site-footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    max-width: var(--content-width);
    margin: 0 auto;
    text-align: center;
  }

  .site-footer__nav {
    display: flex;
    gap: var(--space-6);
  }

  .site-footer__link {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-decoration: none;

    &:hover {
      color: var(--color-ink);
    }
  }

  .site-footer__colophon {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    color: var(--color-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .site-footer__copy {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    color: var(--color-muted);
    letter-spacing: 0.04em;
  }
}