/* "Signal" design tokens — light */
:root {
  --ctfn-bg: #f7f5f0;
  --ctfn-surface: rgba(255, 255, 255, 0.72);
  --ctfn-ink: #1a1a1c;
  --ctfn-ink-muted: rgba(26, 26, 28, 0.55);
  --ctfn-ink-faint: rgba(26, 26, 28, 0.28);

  --ctfn-accent: #8b6518;
  --ctfn-accent-hover: #a07420;
  --ctfn-accent-muted: rgba(139, 101, 24, 0.45);
  --ctfn-accent-glow: rgba(139, 101, 24, 0.06);

  --ctfn-rule: rgba(26, 26, 28, 0.10);
  --ctfn-rule-strong: rgba(26, 26, 28, 0.16);

  --ctfn-radius: 6px;

  --ctfn-font-display: 'Fraunces', Georgia, serif;
  --ctfn-font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

body {
  font-family: var(--ctfn-font-mono);
  font-size: 0.92rem;
  font-weight: 400;
  background-color: var(--ctfn-bg);
  background-image: radial-gradient(circle, rgba(26, 26, 28, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ctfn-ink);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ctfn-font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ctfn-ink);
}

/* Kicker (uppercase mono label) */
.ctfn-kicker {
  font-family: var(--ctfn-font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ctfn-ink-muted);
}

.ctfn-kicker-brand {
  display: inline-block;
  color: var(--ctfn-ink-muted);
  text-decoration: none;
  -webkit-transition: color 200ms ease;
  transition: color 200ms ease;
  position: relative;
}

.ctfn-kicker-brand::after {
  content: "";
  position: absolute;
  bottom: -0.12em;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--ctfn-accent);
  -webkit-transition: width 200ms ease;
  transition: width 200ms ease;
}

.ctfn-kicker-brand:hover {
  color: var(--ctfn-accent);
}

.ctfn-kicker-brand:hover::after {
  width: 100%;
}

.ctfn-title {
  line-height: 1.1;
  font-weight: 400;
}

.ctfn-tagline {
  font-family: var(--ctfn-font-mono);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ctfn-ink-muted);
}

@media (min-width: 768px) {
  .ctfn-tagline {
    max-width: none;
    white-space: nowrap;
  }
}

.ctfn-section-meta {
  font-size: 0.82rem;
  color: var(--ctfn-ink-muted);
}

/* Ghost button */
.btn-ctfn {
  --bs-btn-font-weight: 500;
  --bs-btn-font-family: var(--ctfn-font-mono);
  --bs-btn-font-size: 0.82rem;
  --bs-btn-color: var(--ctfn-accent);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--ctfn-accent-muted);

  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--ctfn-accent);
  --bs-btn-hover-border-color: var(--ctfn-accent);

  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: #74540f;
  --bs-btn-active-border-color: #74540f;

  --bs-btn-focus-shadow-rgb: 139, 101, 24;

  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--ctfn-radius);
  -webkit-box-shadow: none;
          box-shadow: none;
  -webkit-transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.btn-ctfn:hover {
  -webkit-box-shadow: 0 4px 14px rgba(139, 101, 24, 0.18);
          box-shadow: 0 4px 14px rgba(139, 101, 24, 0.18);
}

.btn-ctfn:active {
  -webkit-box-shadow: none;
          box-shadow: none;
}

/* Subscribe */
.ctfn-subscribe__label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ctfn-ink-muted);
}

footer {
  font-size: 0.78rem;
  font-family: var(--ctfn-font-mono);
}

footer.ctfn-footer {
  border-top: 1px solid var(--ctfn-rule);
  color: var(--ctfn-ink-faint);
}

footer.ctfn-footer a {
  color: var(--ctfn-ink-muted);
  text-decoration-color: rgba(26, 26, 28, 0.18);
}

footer.ctfn-footer a:hover {
  color: var(--ctfn-ink);
  text-decoration-color: rgba(26, 26, 28, 0.40);
}

footer.ctfn-footer .ctfn-cc-icon {
  max-width: 1em;
  max-height: 1em;
  margin-left: 0.2em;
  vertical-align: -0.12em;
  opacity: 0.45;
}

.ctfn-icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  stroke: currentColor;
}

/* Links + focus */
a {
  color: var(--ctfn-accent);
  text-decoration-color: var(--ctfn-accent-muted);
  text-underline-offset: 0.16em;
  -webkit-transition: color 200ms ease;
  transition: color 200ms ease;
}

a:hover {
  color: var(--ctfn-accent-hover);
  text-decoration-color: rgba(139, 101, 24, 0.6);
}

.ctfn-contact-link {
  color: var(--ctfn-ink-muted);
  text-decoration: none;
  font-size: 0.85rem;
  -webkit-transition: color 200ms ease;
  transition: color 200ms ease;
}

.ctfn-contact-link:hover {
  color: var(--ctfn-accent);
  text-decoration: underline;
  text-decoration-color: var(--ctfn-accent-muted);
}

:focus-visible {
  outline: 2px solid var(--ctfn-accent);
  outline-offset: 3px;
}

/* Episodes */
.ctfn-episode-list {
  display: -ms-grid;
  display: grid;
  gap: 0;
}

.ctfn-episode {
  border-top: 1px solid var(--ctfn-rule);
}

.ctfn-episode:last-child {
  border-bottom: 1px solid var(--ctfn-rule);
}

.ctfn-episode__link {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: auto 1fr;
  grid-template-columns: auto 1fr;
  gap: 0 1.5rem;
  align-items: baseline;
  position: relative;
  padding: 1.25rem 0.75rem;
  margin: 0 -0.75rem;
  color: inherit;
  text-decoration: none;
  -webkit-transition: background-color 200ms ease;
  transition: background-color 200ms ease;
  border-radius: var(--ctfn-radius);
}

.ctfn-episode__link:hover {
  background-color: var(--ctfn-accent-glow);
}

.ctfn-episode__link:focus-visible {
  outline: 2px solid var(--ctfn-accent);
  outline-offset: 2px;
}

.ctfn-episode__number {
  font-family: var(--ctfn-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ctfn-ink-faint);
  white-space: nowrap;
  padding-top: 0.15em;
  -webkit-transition: color 200ms ease;
  transition: color 200ms ease;
}

.ctfn-episode__link:hover .ctfn-episode__number {
  color: var(--ctfn-accent);
}

.ctfn-episode__body {
  min-width: 0;
}

.ctfn-episode__title {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  -webkit-transition: color 200ms ease;
  transition: color 200ms ease;
}

.ctfn-episode__link:hover .ctfn-episode__title {
  color: var(--ctfn-ink);
}

.ctfn-episode__summary {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--ctfn-ink-muted);
  line-height: 1.55;
  max-width: 60ch;
  -webkit-transition: color 200ms ease;
  transition: color 200ms ease;
}

.ctfn-episode__link:hover .ctfn-episode__summary {
  color: var(--ctfn-ink);
}

/* Section header */
.ctfn-section-header h2 {
  font-family: var(--ctfn-font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ctfn-ink-faint);
}

/* Show notes */
.ctfn-show-notes {
  background-color: var(--ctfn-surface);
  border: 1px solid var(--ctfn-rule-strong);
  border-radius: var(--ctfn-radius);
  padding: 2rem;
  margin-top: 1.5rem;
  color: var(--ctfn-ink);
}

.ctfn-show-notes h2,
.ctfn-show-notes h3 {
  font-family: var(--ctfn-font-display);
  color: var(--ctfn-ink);
}

.ctfn-show-notes hr {
  border-color: var(--ctfn-rule);
  opacity: 1;
}

.ctfn-show-notes p,
.ctfn-show-notes li {
  font-weight: 300;
  color: rgba(26, 26, 28, 0.78);
  line-height: 1.7;
}

/* Audio player */
.ctfn-audio-player {
  max-width: 34rem;
  margin-left: auto;
  margin-right: auto;
}

.ctfn-audio-player__container {
  background-color: var(--ctfn-surface);
  border: 1px solid var(--ctfn-rule-strong);
  border-radius: var(--ctfn-radius);
  padding: 16px 20px;
  -webkit-transition: border-color 200ms ease;
  transition: border-color 200ms ease;
}

.ctfn-audio-player__container:hover {
  border-color: var(--ctfn-accent-muted);
}

.ctfn-audio-player__play-btn {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  flex-shrink: 0;
  border-radius: 50%;
}

.ctfn-audio-player__play-btn:hover {
  -webkit-transform: scale(1.05);
          transform: scale(1.05);
}

.ctfn-audio-player__play-btn:active {
  -webkit-transform: scale(0.98);
          transform: scale(0.98);
}

.ctfn-audio-player__play-icon,
.ctfn-audio-player__pause-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}

.ctfn-audio-player__controls {
  min-width: 0;
}

.ctfn-audio-player__progress-wrapper {
  height: 6px;
  cursor: pointer;
}

.ctfn-audio-player__progress-track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--ctfn-rule-strong);
  border-radius: 1px;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.ctfn-audio-player__progress-bar {
  position: absolute;
  top: 50%;
  left: 0;
  height: 2px;
  background-color: var(--ctfn-accent);
  border-radius: 1px;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  -webkit-transition: width 100ms linear;
  transition: width 100ms linear;
  width: 0%;
}

.ctfn-audio-player__progress-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  opacity: 0;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
       appearance: none;
}

.ctfn-audio-player__progress-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ctfn-accent);
  cursor: pointer;
  border: 2px solid var(--ctfn-bg);
  -webkit-box-shadow: 0 1px 4px rgba(26, 26, 28, 0.15);
          box-shadow: 0 1px 4px rgba(26, 26, 28, 0.15);
  -webkit-transition: -webkit-transform 200ms ease;
  transition: -webkit-transform 200ms ease;
  transition: transform 200ms ease;
  transition: transform 200ms ease, -webkit-transform 200ms ease;
}

.ctfn-audio-player__progress-input::-webkit-slider-thumb:hover {
  -webkit-transform: scale(1.3);
          transform: scale(1.3);
}

.ctfn-audio-player__progress-input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ctfn-accent);
  cursor: pointer;
  border: 2px solid var(--ctfn-bg);
  box-shadow: 0 1px 4px rgba(26, 26, 28, 0.15);
  -moz-transition: transform 200ms ease;
  transition: transform 200ms ease;
}

.ctfn-audio-player__progress-input::-moz-range-thumb:hover {
  transform: scale(1.3);
}

.ctfn-audio-player__time {
  flex-shrink: 0;
  min-width: 4.5rem;
  font-size: 0.8rem;
  color: var(--ctfn-ink-muted);
  font-variant-numeric: tabular-nums;
}

.ctfn-audio-player__placeholder {
  color: var(--ctfn-ink-muted);
  font-size: 0.85rem;
}