:root {
  color-scheme: dark;
  --bg: #0f0d0a;
  --surface: #17120d;
  --surface-soft: #120f0b;
  --surface-strong: #21170e;
  --text: #e5e5e5;
  --muted: #a0a0a0;
  --line: rgba(212, 175, 55, 0.2);
  --line-strong: rgba(212, 175, 55, 0.42);
  --accent: #d4af37;
  --accent-soft: rgba(212, 175, 55, 0.13);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(212, 175, 55, 0.08), transparent 34%),
    radial-gradient(circle at 84% 8%, rgba(212, 175, 55, 0.12), transparent 26%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 72%);
}

a {
  color: inherit;
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 20px;
  border-bottom: 1px solid var(--line);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin-top: 4px;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.08;
}

h2 {
  font-size: clamp(2.45rem, 7vw, 5.8rem);
  line-height: 0.96;
}

h2 em {
  color: var(--accent);
  font-style: italic;
}

h3 {
  font-size: 1rem;
  margin-bottom: 16px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.header-link,
.back-link,
.profile-link {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}

.profile-link {
  color: var(--muted);
}

.header-link {
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.header-link:hover,
.back-link:hover,
.profile-link:hover,
.episode-card:hover h3,
.source-item a:hover {
  color: #f1d978;
}

.intro {
  min-height: 520px;
  display: flex;
  align-items: center;
  padding: 84px 0 88px;
  border-bottom: 1px solid var(--line);
}

.intro-copy {
  display: grid;
  gap: 22px;
  max-width: 940px;
}

.intro-copy p:last-child {
  max-width: 670px;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.catalog-section,
.stack-section,
.episode-section {
  padding: 62px 0;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.section-heading h2,
.episode-section > h2 {
  max-width: 900px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.episode-list {
  display: grid;
  gap: 12px;
}

.stack-section {
  display: grid;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.stack-copy {
  display: grid;
  gap: 8px;
  max-width: 820px;
}

.stack-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  line-height: 1.05;
}

.stack-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stack-list article {
  min-height: 154px;
  padding: 20px;
  background: rgba(23, 18, 13, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stack-list h3 {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stack-list p {
  color: var(--muted);
  font-size: 0.92rem;
}

.episode-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  min-height: 108px;
  padding: 22px 24px;
  background: rgba(23, 18, 13, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.episode-card:hover {
  background: var(--surface);
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.episode-card time {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.episode-card h3 {
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.3;
}

.episode-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.play-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 900;
}

.play-mark::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid currentColor;
}

.episode-section {
  display: grid;
  gap: 18px;
  border-top: 1px solid var(--line);
}

.episode-section[hidden] {
  display: none;
}

audio {
  width: 100%;
  min-height: 48px;
  margin: 8px 0 22px;
  accent-color: var(--accent);
}

.episode-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: start;
}

.transcript-panel,
.sources-panel {
  background: rgba(23, 18, 13, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.transcript-panel h3,
.sources-panel h3 {
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.transcript {
  display: grid;
  gap: 14px;
}

.transcript-line {
  padding-left: 16px;
  border-left: 2px solid var(--line-strong);
  color: var(--text);
}

.transcript-line strong {
  color: var(--accent);
}

.sources {
  display: grid;
  gap: 16px;
}

.source-item {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.source-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.source-item a {
  color: var(--text);
  font-weight: 800;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 4px;
}

.source-item p,
.status-text,
.site-footer {
  color: var(--muted);
}

.source-item p {
  font-size: 0.92rem;
}

.site-footer {
  padding: 30px 0 44px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .episode-grid {
    grid-template-columns: 1fr;
  }

  .intro {
    min-height: auto;
    padding: 48px 0 58px;
  }

  .stack-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .episode-card {
    grid-template-columns: 1fr auto;
  }

  .episode-card time {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header,
  main,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  .episode-card {
    gap: 16px;
    padding: 18px;
  }

  .stack-list {
    grid-template-columns: 1fr;
  }
}