/* =========================================================
   SERIES INDEX PAGE
   Vision Africa Network
   ---------------------------------------------------------
   Purpose:
   - Premium public series listing page
   - Hero, card grids, featured sidebar row, subscription CTA
   - Mobile-first, responsive, production-ready
========================================================= */

/* =========================================================
   1. RESET / BASE
========================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

img {
  max-width: 100%;
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

/* =========================================================
   2. THEME TOKENS
========================================================= */

:root {
  --series-bg: #020617;
  --series-bg-soft: #030712;
  --series-surface: #0f172a;
  --series-surface-2: #111827;
  --series-surface-3: #1e293b;

  --series-border: rgba(148, 163, 184, 0.16);
  --series-border-strong: rgba(148, 163, 184, 0.28);

  --series-text: #e5e7eb;
  --series-text-strong: #f8fafc;
  --series-text-muted: #94a3b8;
  --series-text-soft: #cbd5e1;

  --series-brand: #f5b200;
  --series-brand-2: #f97316;
  --series-brand-soft: #fef3c7;

  --series-info-bg: rgba(8, 47, 73, 0.92);
  --series-info-text: #e0f2fe;

  --series-danger-bg: rgba(127, 29, 29, 0.94);
  --series-danger-text: #fecaca;

  --series-shadow-sm: 0 10px 24px rgba(0, 0, 0, 0.28);
  --series-shadow-md: 0 18px 42px rgba(0, 0, 0, 0.45);
  --series-shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.62);

  --series-radius-sm: 0.8rem;
  --series-radius-md: 1rem;
  --series-radius-lg: 1.25rem;
  --series-radius-xl: 1.5rem;
  --series-radius-pill: 999px;

  --series-transition-fast: 0.18s ease;
  --series-transition-base: 0.25s ease;

  --series-max-width: 1320px;
}

/* =========================================================
   3. PAGE WRAPPER
========================================================= */

.series-page {
  min-height: 100vh;
  padding: 1.5rem 1rem 3rem;
  background:
    radial-gradient(
      circle at top left,
      rgba(245, 178, 0, 0.08),
      transparent 28%
    ),
    radial-gradient(
      circle at top right,
      rgba(249, 115, 22, 0.06),
      transparent 20%
    ),
    linear-gradient(180deg, #020617 0%, #030712 56%, #020617 100%);
  color: var(--series-text);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

.series-page > * {
  max-width: var(--series-max-width);
  margin-inline: auto;
}

/* =========================================================
   4. HERO
========================================================= */

.series-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--series-radius-xl);
  margin-bottom: 2rem;
  min-height: 300px;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.96),
    rgba(2, 6, 23, 0.98)
  );
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--series-shadow-lg);
  isolation: isolate;
}

.series-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background-color: #0b1120;
}

.series-hero-bg-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.3) saturate(1.1);
  transform: scale(1.05);
}

.series-hero-bg-placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(245, 178, 0, 0.08), transparent),
    linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.series-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(2, 6, 23, 0.94) 0%,
      rgba(2, 6, 23, 0.76) 30%,
      rgba(2, 6, 23, 0.45) 58%,
      rgba(2, 6, 23, 0.9) 100%
    ),
    radial-gradient(
      circle at top left,
      rgba(245, 178, 0, 0.18),
      transparent 25%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(249, 115, 22, 0.12),
      transparent 20%
    );
  z-index: -1;
}

.series-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 1.25rem 1.75rem;
}

.series-hero-media {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.series-hero-poster {
  position: relative;
  width: min(210px, 58vw);
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: 1.1rem;
  background: linear-gradient(180deg, #0f172a, #111827);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.72);
}

.series-hero-poster-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.series-hero-poster-placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(245, 178, 0, 0.1), transparent),
    linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.series-hero-badge,
.series-hero-rating {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.34rem 0.68rem;
  border-radius: var(--series-radius-pill);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.series-hero-badge {
  top: 0.7rem;
  left: 0.7rem;
  color: #111827;
  background: linear-gradient(
    135deg,
    var(--series-brand),
    var(--series-brand-2)
  );
  box-shadow: 0 10px 25px rgba(245, 178, 0, 0.22);
}

.series-hero-rating {
  top: 0.7rem;
  right: 0.7rem;
  color: var(--series-text-strong);
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.series-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.78rem;
}

.series-hero-label {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--series-text-muted);
}

.series-hero-title {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--series-text-strong);
  text-wrap: balance;
}

.series-hero-tagline {
  margin: 0;
  max-width: 760px;
  font-size: 1rem;
  line-height: 1.72;
  color: var(--series-text-soft);
}

.series-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  font-size: 0.83rem;
  line-height: 1.5;
  color: var(--series-text-soft);
}

.series-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.3rem;
}

.series-hero-btn-primary,
.series-hero-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.2rem;
  border-radius: var(--series-radius-pill);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    transform var(--series-transition-fast),
    box-shadow var(--series-transition-fast),
    background var(--series-transition-fast),
    border-color var(--series-transition-fast),
    color var(--series-transition-fast),
    filter var(--series-transition-fast);
}

.series-hero-btn-primary {
  background: linear-gradient(
    135deg,
    var(--series-brand),
    var(--series-brand-2)
  );
  color: #111827;
  box-shadow: 0 18px 42px rgba(245, 178, 0, 0.18);
}

.series-hero-btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.02);
  box-shadow: 0 22px 52px rgba(245, 178, 0, 0.25);
}

.series-hero-btn-secondary {
  background: rgba(15, 23, 42, 0.72);
  color: var(--series-text-strong);
  border: 1px solid rgba(148, 163, 184, 0.22);
  backdrop-filter: blur(8px);
}

.series-hero-btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(30, 41, 59, 0.88);
  border-color: rgba(245, 178, 0, 0.32);
}

/* =========================================================
   5. MAIN LAYOUT
========================================================= */

.series-main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.series-main-column,
.series-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* =========================================================
   6. SHARED SECTION CARDS
========================================================= */

.series-section {
  padding: 1.1rem 1rem 1.25rem;
  border-radius: 1.25rem;
  background: linear-gradient(
    180deg,
    rgba(17, 24, 39, 0.95),
    rgba(2, 6, 23, 1)
  );
  border: 1px solid rgba(15, 23, 42, 0.9);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.65);
}

.series-sidebar-section {
  padding: 1rem 0.95rem 1.1rem;
}

.series-section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.95rem;
}

.series-section-title {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--series-text-strong);
}

.series-section-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--series-brand);
  text-decoration: none;
}

.series-section-link::after {
  content: "›";
}

.series-section-link:hover {
  color: #fbbf24;
}

/* =========================================================
   7. EMPTY STATES
========================================================= */

.series-empty {
  margin: 0;
  padding: 1rem;
  border-radius: 0.9rem;
  border: 1px dashed rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.7);
  font-size: 0.9rem;
  color: var(--series-text-muted);
}

/* =========================================================
   8. GRID LAYOUT
========================================================= */

.series-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.series-grid--compact {
  gap: 0.9rem;
}

/* =========================================================
   9. GRID CARDS
========================================================= */

.series-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 1rem;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.96),
    rgba(2, 6, 23, 0.98)
  );
  border: 1px solid rgba(31, 41, 55, 0.9);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.65);
  transition:
    transform var(--series-transition-base),
    box-shadow var(--series-transition-base),
    border-color var(--series-transition-base);
}

.series-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 178, 0, 0.7);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.82);
}

.series-card--compact {
  border-radius: 0.95rem;
}

.series-card-poster-wrapper {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: linear-gradient(180deg, #0f172a, #111827);
}

.series-card-poster-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.02);
  transition:
    transform 0.35s ease,
    filter 0.35s ease;
}

.series-card:hover .series-card-poster-image {
  transform: scale(1.06);
  filter: saturate(1.06);
}

.series-card-poster-placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(245, 178, 0, 0.08), transparent),
    linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.series-card-badge,
.series-card-rating,
.series-card-score {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  backdrop-filter: blur(10px);
}

.series-card-badge {
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.34rem 0.62rem;
  border-radius: var(--series-radius-pill);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #111827;
  background: linear-gradient(
    135deg,
    var(--series-brand),
    var(--series-brand-2)
  );
}

.series-card-badge--locked {
  color: var(--series-danger-text);
  background: rgba(127, 29, 29, 0.94);
  border: 1px solid rgba(248, 113, 113, 0.24);
}

.series-card-rating {
  top: 0.6rem;
  right: 0.6rem;
  padding: 0.34rem 0.54rem;
  border-radius: 0.8rem;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--series-text-strong);
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.series-card-score {
  right: 0.6rem;
  bottom: 0.6rem;
  padding: 0.38rem 0.56rem;
  border-radius: var(--series-radius-pill);
  font-size: 0.68rem;
  font-weight: 800;
  color: #082f49;
  background: rgba(125, 211, 252, 0.96);
}

.series-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.36rem;
  padding: 0.82rem 0.85rem 0.95rem;
  min-width: 0;
}

.series-card-title {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.38;
  font-weight: 700;
  color: var(--series-text-strong);
}

.series-card-title a {
  text-decoration: none;
}

.series-card-title a:hover {
  color: var(--series-brand);
}

.series-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  align-items: center;
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--series-text-muted);
}

.series-card-actions {
  margin-top: 0.28rem;
}

.series-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--series-brand);
  text-decoration: none;
}

.series-card-link::after {
  content: "›";
}

.series-card-link:hover {
  color: #fbbf24;
}

/* =========================================================
   10. ROW WRAPPER / HORIZONTAL SCROLL
========================================================= */

.series-row-wrapper {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: center;
}

.series-row-scroll {
  display: flex;
  gap: 0.95rem;
  overflow-x: auto;
  overflow-y: hidden;
  min-width: 0;
  padding-bottom: 0.35rem;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.series-row-scroll::-webkit-scrollbar {
  height: 0;
}

.series-row-scroll > * {
  scroll-snap-align: start;
}

.series-row-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 184, 0.8);
  background: rgba(15, 23, 42, 0.96);
  color: var(--series-text-strong);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
  transition:
    background var(--series-transition-fast),
    border-color var(--series-transition-fast),
    transform var(--series-transition-fast),
    box-shadow var(--series-transition-fast);
  z-index: 2;
}

.series-row-arrow:hover {
  background: rgba(15, 23, 42, 1);
  border-color: var(--series-brand);
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.9);
}

/* =========================================================
   11. ROW CARDS
========================================================= */

.series-row-card {
  flex: 0 0 auto;
  display: flex;
  align-items: stretch;
  gap: 0.7rem;
  min-width: 250px;
  max-width: 270px;
  padding: 0.55rem;
  border-radius: 0.95rem;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.96),
    rgba(2, 6, 23, 0.98)
  );
  border: 1px solid rgba(31, 41, 55, 0.9);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  transition:
    transform var(--series-transition-base),
    box-shadow var(--series-transition-base),
    border-color var(--series-transition-base);
}

.series-row-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 178, 0, 0.75);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8);
}

.series-row-poster-wrapper {
  position: relative;
  flex: 0 0 82px;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: 0.8rem;
  background: linear-gradient(180deg, #0f172a, #111827);
}

.series-row-poster-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.series-row-poster-placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(245, 178, 0, 0.08), transparent),
    linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.series-row-rating {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.22rem 0.45rem;
  border-radius: var(--series-radius-pill);
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
  color: var(--series-text-strong);
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.series-row-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
  min-width: 0;
}

.series-row-title {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.35;
  font-weight: 700;
  color: var(--series-text-strong);
}

.series-row-title a {
  text-decoration: none;
}

.series-row-title a:hover {
  color: var(--series-brand);
}

.series-row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--series-text-muted);
}

/* =========================================================
   12. CTA SIDEBAR
========================================================= */

.series-subscribe-text {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--series-text-soft);
}

.series-subscribe-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1.15rem;
  border-radius: var(--series-radius-pill);
  background: linear-gradient(
    135deg,
    var(--series-brand),
    var(--series-brand-2)
  );
  color: #111827;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  border: none;
  box-shadow: 0 16px 38px rgba(245, 178, 0, 0.16);
  transition:
    transform var(--series-transition-fast),
    box-shadow var(--series-transition-fast),
    filter var(--series-transition-fast);
}

.series-subscribe-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.02);
  box-shadow: 0 20px 46px rgba(245, 178, 0, 0.22);
}

.series-subscribe-note {
  margin: 0.72rem 0 0;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--series-text-muted);
}

/* =========================================================
   13. ACCESSIBILITY
========================================================= */

.series-hero-btn-primary:focus-visible,
.series-hero-btn-secondary:focus-visible,
.series-section-link:focus-visible,
.series-card-link:focus-visible,
.series-card-title a:focus-visible,
.series-row-title a:focus-visible,
.series-subscribe-button:focus-visible,
.series-row-arrow:focus-visible {
  outline: 3px solid rgba(245, 178, 0, 0.45);
  outline-offset: 3px;
}

/* =========================================================
   14. RESPONSIVE BREAKPOINTS
========================================================= */

@media (min-width: 640px) {
  .series-page {
    padding: 1.8rem 1.25rem 3.2rem;
  }

  .series-hero-inner {
    padding: 1.8rem 1.5rem 2rem;
  }

  .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .series-hero {
    min-height: 340px;
  }

  .series-hero-inner {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.9rem;
    align-items: center;
    padding: 2.2rem 2rem;
  }

  .series-hero-media {
    justify-content: flex-start;
  }

  .series-hero-poster {
    width: 230px;
  }

  .series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .series-page {
    padding: 2rem 1.5rem 3.5rem;
  }

  .series-main-layout {
    grid-template-columns: minmax(0, 1.9fr) minmax(310px, 1fr);
    align-items: start;
  }

  .series-sidebar {
    position: sticky;
    top: 1rem;
    align-self: start;
  }

  .series-hero-inner {
    gap: 2.15rem;
    padding: 2.5rem 2.35rem;
  }

  .series-hero-poster {
    width: 250px;
  }
}

@media (min-width: 1280px) {
  .series-hero-inner {
    padding: 2.7rem 2.65rem;
  }

  .series-hero-title {
    font-size: clamp(2.25rem, 4vw, 3.3rem);
  }

  .series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* =========================================================
   15. REDUCED MOTION
========================================================= */

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}