@font-face {
  font-family: "Instrument Serif";
  src: url("../../fonts/instrument-serif/InstrumentSerif-Regular-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("../../fonts/instrument-serif/InstrumentSerif-Italic-latin.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Newsreader";
  src: url("../../fonts/newsreader/Newsreader-Roman-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "Newsreader";
  src: url("../../fonts/newsreader/Newsreader-Italic-latin.woff2") format("woff2");
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
}

@layer reset, tokens, base, layout, components, utilities;

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

  html {
    color-scheme: light;
  }

  body,
  h1,
  h2,
  h3,
  p,
  blockquote,
  figure,
  ol,
  ul,
  dl,
  dd {
    margin: 0;
  }

  img,
  svg,
  audio {
    display: block;
    max-inline-size: 100%;
  }

  button,
  input {
    font: inherit;
  }
}

@layer tokens {
  :root {
    --color-paper: #ebe7dc;
    --color-surface: #f5f1e8;
    --color-ink: #20201e;
    --color-quiet-ink: #666258;
    --color-accent: #753f32;
    --color-on-accent: #fff9ef;
    --color-accent-soft: #dccbc0;
    --color-rule: #b8b1a2;
    --color-focus: #175e8c;
    --color-inverse: #20201e;
    --color-on-inverse: #f5f1e8;
    --color-success: #386345;
    --color-warning: #8a5918;
    --color-error: #963d32;
    --color-info: #315f78;

    --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
    --font-reading: Newsreader, Georgia, "Times New Roman", serif;
    --font-mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas,
      "Liberation Mono", monospace;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 6rem;

    --shell: 84rem;
    --prose: 66ch;
    --gutter: clamp(1rem, 3vw, 2.5rem);
  }
}

@layer base {
  html {
    background: var(--color-paper);
    scroll-behavior: smooth;
  }

  body {
    min-block-size: 100svh;
    color: var(--color-ink);
    background: var(--color-paper);
    font-family: var(--font-reading);
    font-size: 1.1875rem;
    line-height: 1.72;
  }

  a {
    color: var(--color-accent);
    text-decoration-color: currentColor;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.17em;
  }

  a:hover {
    text-decoration-thickness: 0.13em;
  }

  :where(a, button, input, audio):focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
  }

  ::selection {
    color: var(--color-on-inverse);
    background: var(--color-inverse);
  }
}

@layer layout {
  .site-shell {
    width: min(100%, var(--shell));
    min-block-size: 100svh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    margin-inline: auto;
    padding-inline: var(--gutter);
  }

  .site-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-5);
    padding-block: var(--space-5);
    border-block-end: 1px solid var(--color-rule);
  }

  .site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
    padding: 0;
    list-style: none;
  }

  .site-footer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-5);
    padding-block: var(--space-6);
    border-block-start: 1px solid var(--color-rule);
  }

  .home-main {
    padding-block: clamp(4rem, 10vw, 9rem) var(--space-9);
  }

  .home-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(16rem, 0.55fr);
    align-items: end;
    gap: clamp(2rem, 7vw, 8rem);
  }

  .home-index {
    margin-block-start: clamp(5rem, 12vw, 10rem);
  }

  .article-main,
  .playlist-main {
    padding-block: clamp(3rem, 8vw, 7rem) var(--space-9);
  }

  .article-header,
  .playlist-header {
    display: grid;
    grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1fr);
    gap: var(--space-7);
    padding-block-end: var(--space-8);
    border-block-end: 1px solid var(--color-rule);
  }

  .article-grid {
    display: grid;
    grid-template-columns: minmax(9rem, 0.35fr) minmax(0, var(--prose));
    gap: var(--space-7);
    padding-block-start: var(--space-8);
  }

  .article-aside {
    align-self: start;
    position: sticky;
    inset-block-start: var(--space-5);
  }

  .article-body > * + * {
    margin-block-start: 1.45em;
  }

  .playlist-layout {
    display: grid;
    grid-template-columns: minmax(16rem, 0.45fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 7rem);
    padding-block-start: var(--space-8);
  }

  .playlist-context {
    align-self: start;
    position: sticky;
    inset-block-start: var(--space-5);
  }

  @media (max-width: 50rem) {
    .home-hero,
    .article-header,
    .playlist-header,
    .article-grid,
    .playlist-layout {
      grid-template-columns: 1fr;
    }

    .article-aside,
    .playlist-context {
      position: static;
    }
  }

  @media (max-width: 35rem) {
    .site-header,
    .site-footer {
      align-items: flex-start;
      grid-template-columns: 1fr;
      flex-direction: column;
    }
  }
}

@layer components {
  .wordmark,
  .site-nav,
  .eyebrow,
  .metadata,
  .section-label,
  .index-kind,
  .track-number,
  .track-duration,
  .relation,
  .prototype-note,
  .site-footer {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.065em;
    line-height: 1.5;
    text-transform: uppercase;
  }

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

  .wordmark:hover,
  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    text-decoration: underline;
    text-underline-offset: 0.3em;
  }

  .eyebrow,
  .metadata,
  .section-label,
  .index-kind,
  .track-number,
  .track-duration,
  .relation,
  .site-footer {
    color: var(--color-quiet-ink);
  }

  .display-title {
    max-inline-size: 8.5ch;
    margin-block: var(--space-4) 0;
    font-family: var(--font-display);
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 400;
    letter-spacing: -0.065em;
    line-height: 0.78;
  }

  .hero-intro {
    max-inline-size: 32ch;
    padding-block-start: var(--space-5);
    border-block-start: 1px solid var(--color-rule);
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 1.4vw, 1.05rem);
    line-height: 1.65;
  }

  .hero-intro a {
    font-family: inherit;
  }

  .section-heading {
    margin-block-end: var(--space-6);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    letter-spacing: -0.035em;
    line-height: 1.02;
  }

  .path-index {
    padding: 0;
    border-block-end: 1px solid var(--color-rule);
    list-style: none;
  }

  .path-index li {
    display: grid;
    grid-template-columns: minmax(7rem, 0.25fr) minmax(0, 1fr) auto;
    gap: var(--space-5);
    align-items: baseline;
    padding-block: var(--space-5);
    border-block-start: 1px solid var(--color-rule);
  }

  .path-index a {
    color: var(--color-ink);
    font-size: clamp(1.35rem, 2.6vw, 2rem);
    line-height: 1.15;
  }

  .path-index time {
    color: var(--color-quiet-ink);
    font-family: var(--font-mono);
    font-size: 0.75rem;
  }

  .page-title {
    max-inline-size: 16ch;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6.75rem);
    font-weight: 400;
    letter-spacing: -0.055em;
    line-height: 0.9;
  }

  .lede {
    max-inline-size: 39ch;
    margin-block-start: var(--space-5);
    color: var(--color-quiet-ink);
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    line-height: 1.5;
  }

  .metadata-list {
    display: grid;
    gap: var(--space-3);
    padding: 0;
    list-style: none;
  }

  .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-block-start: var(--space-5);
    padding: 0;
    list-style: none;
  }

  .tag {
    display: inline-block;
    padding: var(--space-1) 0.65rem;
    border-radius: 999px;
    color: var(--color-ink);
    background: var(--color-accent-soft);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.055em;
    line-height: 1.5;
    text-decoration: none;
  }

  .article-body h2 {
    margin-block-start: 2.2em;
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.15;
  }

  .article-body blockquote {
    margin-block: 2.2em;
    padding-inline-start: var(--space-5);
    border-inline-start: 3px solid var(--color-accent);
    color: var(--color-accent);
    font-size: clamp(1.4rem, 3vw, 2rem);
    line-height: 1.35;
  }

  .article-body .note {
    padding: var(--space-5);
    border-inline-start: 3px solid var(--color-accent);
    border-radius: 2px;
    background: var(--color-surface);
    font-size: 1rem;
    line-height: 1.6;
  }

  .article-body sup a {
    font-family: var(--font-mono);
    font-size: 0.68em;
    text-decoration: none;
  }

  .footnotes {
    margin-block-start: var(--space-8);
    padding-block-start: var(--space-5);
    border-block-start: 1px solid var(--color-rule);
    font-size: 0.95rem;
  }

  .footnotes ol {
    padding-inline-start: 1.25rem;
  }

  .playlist-context p:not([class]) {
    margin-block-start: var(--space-4);
    font-size: 1rem;
    line-height: 1.6;
  }

  .playlist-context audio {
    width: 100%;
    margin-block-start: var(--space-6);
  }

  .playlist {
    padding: 0;
    border-block-end: 1px solid var(--color-rule);
    list-style: none;
  }

  .playlist li {
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr) auto;
    gap: var(--space-4);
    align-items: baseline;
    padding-block: var(--space-4);
    border-block-start: 1px solid var(--color-rule);
  }

  .track-title {
    color: var(--color-ink);
    font-size: 1.08rem;
    line-height: 1.45;
    text-decoration: none;
  }

  .track-title:hover {
    color: var(--color-accent);
  }

  .track-note {
    display: block;
    margin-block-start: var(--space-1);
    color: var(--color-quiet-ink);
    font-size: 0.9rem;
    font-style: italic;
    line-height: 1.4;
  }

  .relation {
    display: inline-block;
    margin-block-start: var(--space-6);
    padding-block: var(--space-2);
    border-block: 1px solid var(--color-rule);
  }

  .prototype-note {
    display: inline-block;
    margin-block-start: var(--space-6);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-rule);
    color: var(--color-quiet-ink);
    background: var(--color-surface);
  }

  @media (max-width: 42rem) {
    .path-index li {
      grid-template-columns: 1fr auto;
    }

    .index-kind {
      grid-column: 1 / -1;
    }

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

    .track-duration {
      display: none;
    }
  }
}

@layer utilities {
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }
}

@media print {
  .site-nav,
  .prototype-note,
  audio {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: inherit;
  }

  .site-shell {
    width: auto;
    padding: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}