/* ==========================================================================
   Base: reset, typography, buttons, utilities, site chrome (header, drawer,
   footer). Components live in components.css, page layouts in layout.css.
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
  scroll-padding-bottom: calc(var(--player-h) + var(--space-4));
  background: var(--paper);
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: var(--leading-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'cv11';
  /* Room for the fixed player so it never covers content or calls to action. */
  padding-bottom: calc(var(--player-h) + var(--safe-bottom) + var(--space-6));
}

img, svg, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 0.15em; }
a:hover { text-decoration-color: var(--accent); }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius-s); }
::selection { background: var(--accent); color: var(--accent-ink); }

/* --- Typography ---------------------------------------------------------- */
.serif, h1, h2, h3 { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.005em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 1.4;
}
a.eyebrow, .eyebrow--link { text-decoration: none; color: var(--accent); }
a.eyebrow:hover, .eyebrow--link:hover { text-decoration: underline; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* --- Layout primitives --------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
/* On wide screens the lines frame a column wider than the content: add an extra gutter inside. */
@media (min-width: 64em) {
  :root { --wrap: 76rem; }
}
.wrap--narrow { max-width: calc(var(--wrap-narrow) + 2 * var(--gutter)); }
.wrap--medium { max-width: calc(var(--wrap-medium) + 2 * var(--gutter)); }

/* Column hairlines, the "line divisions" Dennis liked: two fixed vertical
   rules at the edges of the content column, behind everything. */
@media (min-width: 64em) {
  body::before, body::after {
    content: '';
    position: fixed;
    top: 0; bottom: 0;
    width: var(--hairline);
    background: var(--line);
    pointer-events: none;
    z-index: 0;
  }
  body::before { left: calc(50% - var(--wrap) / 2 - var(--gutter) - var(--hairline)); }
  body::after  { left: calc(50% + var(--wrap) / 2 + var(--gutter)); }
}

.main { position: relative; z-index: 1; outline: none; }
html.is-navigating .main { opacity: 0.55; transition: opacity var(--dur) var(--ease); }
.main > * { animation: page-in var(--dur-slow) var(--ease) both; }
@keyframes page-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.section { padding-block: var(--space-7); counter-increment: section; }
.section + .section, .hero + .section { border-top: var(--hairline) solid var(--line); }
.main { counter-reset: section; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.section-head .eyebrow::before { content: '/ ' counter(section, decimal-leading-zero) '  '; color: var(--accent); }
.section-head__title { font-size: var(--step-3); line-height: var(--leading-tight); }
.section-head__more {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: 0.2em;
  border-bottom: var(--hairline) solid var(--line-strong);
}
.section-head__more::after { content: ' →'; }
.section-head__more:hover { border-color: var(--accent); color: var(--accent); }

.grid { display: grid; gap: var(--space-5) var(--space-4); }
.grid--episodes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
/* Shows (16/9 covers) share the blog grid: 1 → 2 → 3 columns. */
.grid--shows, .grid--posts { grid-template-columns: 1fr; }
@media (min-width: 40em) {
  .grid--episodes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--shows, .grid--posts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 64em) {
  .grid { gap: var(--space-6) var(--space-5); }
  .grid--episodes { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .grid--shows, .grid--posts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.list { display: flex; flex-direction: column; border-top: var(--hairline) solid var(--line); }

/* --- Buttons ------------------------------------------------------------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--control);
  padding: 0 1.1rem;
  border: var(--hairline) solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink);
  font-size: var(--step--1);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.button:hover { background: var(--paper-3); border-color: var(--ink); }
.button:active { transform: translateY(1px); }
.button--primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.button--primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button--ghost { border-color: transparent; }
.button--icon { width: var(--control); padding: 0; }
.button .icon { width: 1.1em; height: 1.1em; }
.button .icon--external { width: 0.95em; height: 0.95em; margin-left: -0.15em; opacity: 0.8; }
.button--icon .icon { width: 1.2rem; height: 1.2rem; }
.button .icon--pause { display: none; }
.button.is-playing .icon--pause, .button[aria-pressed="true"] .icon--pause { display: block; }
.button.is-playing .icon--play, .button[aria-pressed="true"] .icon--play { display: none; }

.text-button {
  background: none; border: 0; padding: var(--space-2) 0;
  font-family: var(--font-mono); font-size: var(--step--1);
  color: var(--ink-2); text-decoration: none;
  border-bottom: var(--hairline) solid var(--line-strong);
}
.text-button:hover { color: var(--accent); border-color: var(--accent); }

.icon-button {
  display: inline-flex; align-items: center; justify-content: center;
  width: var(--control); height: var(--control);
  border: 0; border-radius: var(--radius-pill);
  background: transparent; color: var(--ink);
  transition: background var(--dur-fast) var(--ease);
}
.icon-button:hover { background: var(--paper-3); }
.icon { width: 1.25rem; height: 1.25rem; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon--play, .icon--pause { fill: currentColor; stroke: none; }

/* Round play control shared by cards, episode page and the player bar. */
.play-button {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: var(--control); height: var(--control);
  border: var(--hairline) solid var(--ink);
  border-radius: var(--radius-pill);
  background: var(--ink); color: var(--paper);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.play-button:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.play-button:active { transform: scale(0.96); }
.play-button .icon { width: 1.1rem; height: 1.1rem; }
.play-button .icon--play { transform: translateX(1px); }
.play-button .icon--pause { display: none; }
.play-button[aria-pressed="true"] .icon--pause { display: block; }
.play-button[aria-pressed="true"] .icon--play { display: none; }
.play-button--link { background: transparent; color: var(--ink); }
.play-button--link:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.play-button__spinner {
  position: absolute; inset: -1px;
  border-radius: inherit;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  opacity: 0;
}
.episode-card.is-loading .play-button__spinner, .episode.is-loading .play-button__spinner, .player[data-state="loading"] .play-button__spinner { opacity: 1; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Utilities ----------------------------------------------------------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--space-4); top: -100%;
  z-index: 100; padding: var(--space-2) var(--space-4);
  background: var(--ink); color: var(--paper); border-radius: var(--radius-s); text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

.picture {
  display: block; width: 100%;
  aspect-ratio: var(--ratio, auto);
  object-fit: cover;
  background: var(--paper-3);
  border-radius: var(--radius);
}
.picture--empty { background: repeating-linear-gradient(135deg, var(--paper-3) 0 6px, var(--paper-2) 6px 12px); }

.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); }
.tag {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.35em 0.8em;
  border: var(--hairline) solid var(--line-strong); border-radius: var(--radius-pill);
  font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: 0.02em;
  text-decoration: none; color: var(--ink-2);
}
.tag:hover { border-color: var(--accent); color: var(--accent); }
.tag__count { color: var(--ink-3); }
.tags--cloud { margin-top: 0; }

.pagination {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  margin-top: var(--space-6); padding-top: var(--space-5);
  border-top: var(--hairline) solid var(--line);
  font-family: var(--font-mono); font-size: var(--step--1);
}
.pagination__link { text-decoration: none; padding: var(--space-2) 0; border-bottom: var(--hairline) solid var(--line-strong); }
.pagination__link--prev::before { content: '← '; }
.pagination__link--next::after { content: ' →'; }
.pagination__link.is-disabled { color: var(--ink-3); border-color: transparent; }
.pagination__status { color: var(--ink-3); }

.empty { color: var(--ink-2); font-family: var(--font-serif); font-size: var(--step-2); }

/* --- Header -------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: var(--hairline) solid var(--line);
}
.site-header__bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  min-height: var(--header-h);
}
.wordmark { display: flex; align-items: baseline; gap: var(--space-3); text-decoration: none; }

.wordmark__name { font-family: var(--font-serif); font-style: italic; font-size: var(--step-2); line-height: 1; letter-spacing: -0.01em; }
.wordmark__tag { display: none; font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--ink-3); }
@media (min-width: 48em) { .wordmark__tag { display: inline; } }

.site-nav { display: none; }
@media (min-width: 48em) {
  .site-nav { display: block; }
  .site-nav__list { display: flex; gap: var(--space-5); }
  .site-nav a { text-decoration: none; font-size: var(--step--1); font-weight: 500; padding: var(--space-2) 0; border-bottom: var(--hairline) solid transparent; }
  .site-nav a:hover, .site-nav a[aria-current] { border-color: var(--ink); }
  .site-nav__cta { color: var(--accent); }
}
.site-header__tools { display: flex; align-items: center; gap: var(--space-1); }
.icon--moon { display: none; }
:root[data-theme="dark"] .icon--sun { display: none; }
:root[data-theme="dark"] .icon--moon { display: block; }

/* Drawer: every show, under the header. */
.drawer {
  position: absolute; left: 0; right: 0; top: 100%;
  max-height: calc(100dvh - var(--header-h) - var(--player-h) - var(--safe-bottom));
  overflow: auto;
  background: var(--paper-2);
  border-bottom: var(--hairline) solid var(--line-strong);
  box-shadow: var(--shadow-lift);
  animation: drawer-in var(--dur) var(--ease);
}
@keyframes drawer-in { from { opacity: 0; transform: translateY(-6px); } }
.drawer__inner { display: grid; gap: var(--space-6); padding-block: var(--space-5) var(--space-6); }
.drawer__primary { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); padding-bottom: var(--space-4); border-bottom: var(--hairline) solid var(--line); }
.drawer__primary a { text-decoration: none; font-weight: 500; font-size: var(--step-0); padding: var(--space-1) 0; }
.drawer__primary a:hover, .drawer__primary a[aria-current] { color: var(--accent); }
@media (min-width: 48em) {
  .drawer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-7); padding-block: var(--space-6); }
  .drawer__primary { display: none; }
}
.drawer__group .eyebrow { margin-bottom: var(--space-3); padding-bottom: var(--space-2); border-bottom: var(--hairline) solid var(--line); }
.drawer__list { columns: 2; column-gap: var(--space-5); }
@media (min-width: 48em) { .drawer__list { columns: 1; } }
@media (min-width: 64em) { .drawer__list { columns: 2; } }
.drawer__list li { break-inside: avoid; }
.drawer__list a { display: block; padding: 0.3em 0; text-decoration: none; font-family: var(--font-serif); font-size: var(--step-1); line-height: 1.25; }
.drawer__list a:hover, .drawer__list a[aria-current] { color: var(--accent); }
.drawer__list--muted a { color: var(--ink-2); font-family: var(--font-sans); font-size: var(--step--1); padding: 0.28em 0; }   /* archive: smaller, Geist, quieter than the serif on-air list */

/* Social links (footer): same stacked list as the page links beside them. */
.social a, .site-footer__links a { display: block; padding: 0.2em 0; text-decoration: none; font-size: var(--step--1); color: var(--ink-2); }
.social a:hover, .site-footer__links a:hover { color: var(--accent); }

/* --- Footer -------------------------------------------------------------- */
.site-footer { border-top: var(--hairline) solid var(--line); margin-top: var(--space-8); position: relative; z-index: 1; }
.site-footer__inner { display: grid; gap: var(--space-5); padding-block: var(--space-7); }
@media (min-width: 48em) {
  /* About text in the first two thirds; both link stacks share the last third. */
  .site-footer__inner { grid-template-columns: 4fr 1fr 1fr; align-items: start; }
  .site-footer__copy { grid-column: 1 / -1; }
}
.site-footer__about { font-family: var(--font-serif); font-size: var(--step-1); line-height: 1.35; max-width: 32ch; color: var(--ink-2); }
.site-footer__copy { font-family: var(--font-mono); font-size: var(--step--2); color: var(--ink-3); padding-top: var(--space-5); border-top: var(--hairline) solid var(--line); }