/* ─── Design Tokens ───────────────────────────────────────────────────── */
:root, [data-theme="light"] {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing */
  --space-1:  0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4:  1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8:  2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;   --space-24: 6rem;

  /* Vedanta-inspired color palette: Deep saffron, earthy ochre, sacred cream */
  --color-bg:             #faf8f4;
  --color-surface:        #f7f4ee;
  --color-surface-2:      #f2ede5;
  --color-surface-offset: #ede7dc;
  --color-divider:        #d9d2c5;
  --color-border:         #cfc7b7;
  --color-text:           #2a2215;
  --color-text-muted:     #6e6150;
  --color-text-faint:     #b0a894;
  --color-text-inverse:   #faf8f4;

  /* Primary: deep saffron/ochre */
  --color-primary:        #b85c00;
  --color-primary-hover:  #9b4c00;
  --color-primary-active: #7a3900;
  --color-primary-highlight: #f0dfc9;

  /* Accent: muted teal/sage for contrast */
  --color-accent:         #2e6e6a;
  --color-accent-hover:   #245654;

  /* Category pill colors */
  --cat-scripture:   #7c4a00;
  --cat-biography:   #7b3080;
  --cat-upanishad:   #1b5e7a;
  --cat-devotion:    #8b2626;
  --cat-philosophy:  #1e5c30;
  --cat-interfaith:  #4a3d8a;

  /* Status */
  --color-complete:  #1e5c30;
  --color-ongoing:   #7c4a00;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px oklch(0.2 0.05 50 / 0.08);
  --shadow-md: 0 4px 16px oklch(0.2 0.05 50 / 0.10);
  --shadow-lg: 0 12px 40px oklch(0.2 0.05 50 / 0.14);
  --shadow-card: 0 2px 8px oklch(0.2 0.05 50 / 0.07), 0 0 0 1px oklch(0.2 0.05 50 / 0.05);

  /* Typography */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --content-default: 1180px;
  --content-narrow: 680px;
}

[data-theme="dark"] {
  --color-bg:             #141210;
  --color-surface:        #1a1815;
  --color-surface-2:      #201d19;
  --color-surface-offset: #252117;
  --color-divider:        #2e2a23;
  --color-border:         #3a352c;
  --color-text:           #e8e0d0;
  --color-text-muted:     #8a7f6c;
  --color-text-faint:     #5c5245;
  --color-text-inverse:   #141210;

  --color-primary:        #e08030;
  --color-primary-hover:  #f0953d;
  --color-primary-active: #f5a850;
  --color-primary-highlight: #3a2415;

  --color-accent:         #4da8a2;
  --color-accent-hover:   #5cbfb9;

  --cat-scripture:   #e8a050;
  --cat-biography:   #c880d0;
  --cat-upanishad:   #5ab0d8;
  --cat-devotion:    #e07070;
  --cat-philosophy:  #70c080;
  --cat-interfaith:  #9080e0;

  --color-complete:  #5ab870;
  --color-ongoing:   #e8a050;

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.5);
  --shadow-card: 0 2px 8px oklch(0 0 0 / 0.4), 0 0 0 1px oklch(1 0 0 / 0.04);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141210; --color-surface: #1a1815; --color-surface-2: #201d19;
    --color-surface-offset: #252117; --color-divider: #2e2a23; --color-border: #3a352c;
    --color-text: #e8e0d0; --color-text-muted: #8a7f6c; --color-text-faint: #5c5245;
    --color-text-inverse: #141210;
    --color-primary: #e08030; --color-primary-hover: #f0953d; --color-primary-active: #f5a850;
    --color-primary-highlight: #3a2415;
    --color-accent: #4da8a2; --color-accent-hover: #5cbfb9;
    --cat-scripture: #e8a050; --cat-biography: #c880d0; --cat-upanishad: #5ab0d8;
    --cat-devotion: #e07070; --cat-philosophy: #70c080; --cat-interfaith: #9080e0;
    --color-complete: #5ab870; --color-ongoing: #e8a050;
    --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
    --shadow-card: 0 2px 8px oklch(0 0 0 / 0.4), 0 0 0 1px oklch(1 0 0 / 0.04);
  }
}

/* ─── Base Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.25s, color 0.25s;
}
img, svg { display: block; max-width: 100%; }
ul[role="list"] { list-style: none; }
input, button, a { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li { text-wrap: pretty; }
a { text-decoration: none; transition: color var(--transition), opacity var(--transition); }
button { cursor: pointer; background: none; border: none; }
::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ─── Layout ─────────────────────────────────────────────────────────── */
.container {
  width: min(var(--content-default), 100% - var(--space-8));
  margin-inline: auto;
}

/* ─── Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.header--hidden { transform: translateY(-100%); }
.site-header.header--scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.series-count-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  padding: 0.2em 0.7em;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ─── Hero ───────────────────────────────────────────────────────────── */
.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-bg) 60%);
  border-bottom: 1px solid var(--color-divider);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 20%, color-mix(in oklab, var(--color-primary) 6%, transparent), transparent);
  pointer-events: none;
}
.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.hero-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-5);
}
.hero-title em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.6;
  margin-bottom: var(--space-10);
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* ─── Controls ────────────────────────────────────────────────────────── */
.controls-section {
  padding-block: var(--space-6);
  position: sticky;
  top: 57px;
  z-index: 40;
  background: oklch(from var(--color-bg) l c h / 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.controls-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 480px;
}
.search-icon {
  position: absolute;
  left: var(--space-3);
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
.search-input {
  width: 100%;
  padding: var(--space-2) var(--space-10) var(--space-2) calc(var(--space-3) + 20px + var(--space-2));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input::placeholder { color: var(--color-text-faint); }
.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 15%, transparent);
}
.clear-search {
  position: absolute;
  right: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  transition: background var(--transition), color var(--transition);
}
.clear-search:hover { background: var(--color-divider); color: var(--color-text); }
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.filter-btn {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.3em 0.9em;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.results-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  padding-top: var(--space-2);
}

/* ─── Main Grid ──────────────────────────────────────────────────────── */
#main-grid { padding-block: var(--space-10) var(--space-20); }

.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
}

/* ─── Card ───────────────────────────────────────────────────────────── */
.series-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  gap: var(--space-4);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s;
  opacity: 0;
}
.series-card.card-animate {
  animation: fadeSlideUp 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.series-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.card-cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.cat-pill {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--cat-color, var(--color-primary)) 12%, transparent);
  color: var(--cat-color, var(--color-primary));
}
.card-badges {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}
.featured-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  border: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
}
.status-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-full);
}
.status-complete {
  background: color-mix(in oklab, var(--color-complete) 12%, transparent);
  color: var(--color-complete);
}
.status-ongoing {
  background: color-mix(in oklab, var(--color-ongoing) 12%, transparent);
  color: var(--color-ongoing);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-family: var(--font-display);
}
.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}
.card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.card-meta-item strong { color: var(--color-text); font-weight: 600; }
.channel-meta { flex-basis: 100%; }
.channel-link-inline {
  color: var(--color-accent);
  font-weight: 500;
}
.channel-link-inline:hover { color: var(--color-accent-hover); text-decoration: underline; }

.card-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 72ch;
}

.card-episodes {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}
.episodes-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.episodes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.episodes-list li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-left: var(--space-3);
  position: relative;
  line-height: 1.5;
}
.episodes-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.card-top { display: flex; flex-direction: column; gap: var(--space-2); }

.card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}
.btn-watch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition);
}
.btn-watch:hover {
  background: var(--color-primary-hover);
  transform: scale(1.02);
}
.btn-channel {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-channel:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* Highlight from search */
mark {
  background: color-mix(in oklab, var(--color-primary) 20%, transparent);
  color: inherit;
  border-radius: 2px;
  padding: 0 2px;
}

/* ─── No Results ─────────────────────────────────────────────────────── */
.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-20);
  text-align: center;
  color: var(--color-text-muted);
}
.btn-reset {
  padding: var(--space-2) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  transition: background var(--transition), border-color var(--transition);
}
.btn-reset:hover { background: var(--color-surface-2); border-color: var(--color-text-muted); }

/* ─── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10) var(--space-12);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 72ch;
  line-height: 1.6;
}
.footer-channels {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.channel-link {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  padding: 0.3em 0.9em;
  border: 1px solid color-mix(in oklab, var(--color-primary) 30%, transparent);
  border-radius: var(--radius-full);
  transition: background var(--transition);
}
.channel-link:hover {
  background: color-mix(in oklab, var(--color-primary) 10%, transparent);
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero-stats { gap: var(--space-4); }
  .stat-divider { display: none; }
  .series-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .controls-section { position: static; }
  .card-actions { flex-direction: column; align-items: stretch; }
  .btn-watch, .btn-channel { text-align: center; justify-content: center; }
}

@media (max-width: 400px) {
  .logo-text { display: none; }
}

/* ─── Reduced motion ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}