/* ============================================================
   Network Hub -- scoped to .pd-network-hub
   /poker-networks/{slug}/

   Follows STYLE-GUIDE.md: tonal hierarchy, not 1px borders.
   Backgrounds differentiate; shadows elevate; spacing separates.
   ============================================================ */

.pd-network-hub {
  color: var(--color-text-primary);
  font-family: var(--font-sans);
}

/* ----------------------------------------------------------
   HERO
---------------------------------------------------------- */
.pd-network-hub__hero {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-9) var(--space-6) var(--space-8);
}

.pd-network-hub__hero-inner {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.pd-network-hub__hero-label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-on-dark-muted);
  margin: 0 0 var(--space-3);
}

.pd-network-hub__hero h1 {
  font-family: var(--font-serif);
  font-weight: var(--weight-semibold);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-on-dark);
  margin: 0 0 var(--space-3);
}

.pd-network-hub__hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-regular);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: var(--leading-snug);
  color: var(--color-text-on-dark-muted);
  margin: 0;
  max-width: 720px;
}

/* ----------------------------------------------------------
   BODY LAYOUT (main + sidebar)
---------------------------------------------------------- */
.pd-network-hub__body {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-7);
}

@media (min-width: 960px) {
  .pd-network-hub__body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-8);
  }
}

.pd-network-hub__main { min-width: 0; }

/* ----------------------------------------------------------
   SECTIONS (spacing-separated, no borders)
---------------------------------------------------------- */
.pd-network-hub__section {
  padding: var(--space-8) 0;
}

.pd-network-hub__section--first {
  padding-top: var(--space-8);
}

.pd-network-hub__section + .pd-network-hub__section {
  padding-top: 0;
}

.pd-network-hub__section h2 {
  font-family: var(--font-serif);
  font-weight: var(--weight-semibold);
  font-size: var(--text-h2);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
}

.pd-network-hub__section h3 {
  font-family: var(--font-serif);
  font-weight: var(--weight-semibold);
  font-size: var(--text-h3);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin: var(--space-6) 0 var(--space-3);
}

.pd-network-hub__section h4 {
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
}

.pd-network-hub__section p {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-4);
}

.pd-network-hub__section-note {
  font-size: var(--text-small) !important;
  color: var(--color-text-secondary) !important;
  margin-bottom: var(--space-5) !important;
}

.pd-network-hub__lede {
  font-family: var(--font-serif) !important;
  font-size: 1.25rem !important;
  line-height: var(--leading-normal) !important;
  color: var(--color-text-primary) !important;
  margin-bottom: var(--space-5) !important;
}

/* ----------------------------------------------------------
   META DEFINITION LIST (tonal shift panel, no border)
---------------------------------------------------------- */
.pd-network-hub__meta {
  background: var(--color-surface-2);
  padding: var(--space-5) var(--space-5);
  margin: var(--space-6) 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4) var(--space-6);
}

.pd-network-hub__meta > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pd-network-hub__meta dt {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.pd-network-hub__meta dd {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin: 0;
}

/* ----------------------------------------------------------
   REVIEWED SKIN CARDS (surface + shadow, no borders)
---------------------------------------------------------- */
.pd-network-hub__skin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.pd-network-hub__skin {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-base);
}

.pd-network-hub__skin:hover {
  box-shadow: var(--shadow-sm-hover);
  transform: translateY(-1px);
}

.pd-network-hub__skin-top {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.pd-network-hub__skin-logo {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  flex-shrink: 0;
  overflow: hidden;
}

.pd-network-hub__skin-logo img {
  max-width: 82%;
  max-height: 82%;
  object-fit: contain;
}

.pd-network-hub__skin-logo--text {
  background: var(--color-accent);
}

.pd-network-hub__skin-logo--text span {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text-on-dark);
  line-height: 1;
}

.pd-network-hub__skin-heading h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 2px;
  line-height: var(--leading-tight);
}

.pd-network-hub__skin-market {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin: 0 !important;
}

.pd-network-hub__skin-desc {
  font-family: var(--font-sans) !important;
  font-size: var(--text-small) !important;
  line-height: var(--leading-normal) !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
  flex-grow: 1;
}

.pd-network-hub__skin-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  padding-top: var(--space-3);
}

.pd-network-hub__skin-review {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
}

.pd-network-hub__skin-review:hover {
  color: var(--color-accent-text);
}

.pd-network-hub__skin-visit {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent-text);
  text-decoration: none;
  margin-left: auto;
  transition: color var(--transition-fast);
}

.pd-network-hub__skin-visit:hover {
  color: var(--color-accent-hover);
}

/* ----------------------------------------------------------
   SPEC GRID (software + licensing side by side)
---------------------------------------------------------- */
.pd-network-hub__spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
  margin: var(--space-4) 0 var(--space-5);
}

.pd-network-hub__spec h4 {
  margin-bottom: var(--space-3);
}

.pd-network-hub__feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pd-network-hub__feature-list li {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--color-text-primary);
  line-height: var(--leading-normal);
  padding: var(--space-2) 0 var(--space-2) var(--space-4);
  position: relative;
}

.pd-network-hub__feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

/* ----------------------------------------------------------
   SIDEBAR
---------------------------------------------------------- */
.pd-network-hub__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8) 0;
}

@media (min-width: 960px) {
  .pd-network-hub__sidebar {
    position: sticky;
    top: var(--space-5);
    align-self: start;
    max-height: calc(100vh - var(--space-5));
    overflow-y: auto;
  }
}

.pd-network-hub__side-cta {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pd-network-hub__side-cta-label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin: 0 !important;
}

.pd-network-hub__side-cta-logo {
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  padding: var(--space-3);
}

.pd-network-hub__side-cta-logo img {
  max-width: 140px;
  max-height: 100%;
  object-fit: contain;
}

.pd-network-hub__side-cta-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin: 0 !important;
  line-height: var(--leading-tight);
}

.pd-network-hub__side-cta-market {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  color: var(--color-text-muted);
  margin: 0 !important;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.pd-network-hub__side-cta-desc {
  font-family: var(--font-sans) !important;
  font-size: var(--text-small) !important;
  line-height: var(--leading-normal) !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
}

.pd-network-hub__side-cta-visit {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-3) var(--space-4);
  min-height: 44px;
  transition: background var(--transition-fast);
}

.pd-network-hub__side-cta-visit:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-on-dark);
}

.pd-network-hub__side-cta-review {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  text-decoration: none;
  text-align: center;
  transition: color var(--transition-fast);
}

.pd-network-hub__side-cta-review:hover {
  color: var(--color-accent-text);
}

/* ----------------------------------------------------------
   AD PLACEHOLDER
---------------------------------------------------------- */
.pd-network-hub__ad-slot {
  background: var(--color-surface);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pd-network-hub__ad-label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.pd-network-hub__ad-frame {
  aspect-ratio: 300 / 250;
  background: var(--color-surface-2);
  display: grid;
  place-items: center;
}

.pd-network-hub__ad-size {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

/* ----------------------------------------------------------
   DISCLAIMER
---------------------------------------------------------- */
.pd-network-hub__disclaimer {
  max-width: var(--max-width-content);
  margin: var(--space-6) auto var(--space-8);
  padding: var(--space-6) var(--space-6) 0;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  color: var(--color-text-muted);
  text-align: center;
  font-style: italic;
}

/* ----------------------------------------------------------
   NETWORKS INDEX (/poker-networks/) — directory list.
   Full-width hairline rows: identity left, summary right.
---------------------------------------------------------- */
.pd-network-hub__index {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.pd-network-hub__index-list {
  margin-top: var(--space-6);
  border-top: 2px solid var(--color-text-primary);
}

.pd-network-hub__index-row {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-7);
  padding: var(--space-5) 0;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}

.pd-network-hub__index-row + .pd-network-hub__index-row {
  border-top: 1px solid color-mix(in srgb, var(--color-border) 70%, white);
}

.pd-network-hub__index-name {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-1);
  transition: color var(--transition-fast);
}

.pd-network-hub__index-row:hover .pd-network-hub__index-name {
  color: var(--color-accent-text);
}

.pd-network-hub__index-tagline {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin: 0;
}

.pd-network-hub__index-summary {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 68ch;
  margin: 0 0 var(--space-2);
}

.pd-network-hub__index-cta {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.pd-network-hub__index-row:hover .pd-network-hub__index-cta {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 768px) {
  .pd-network-hub__index { padding: 0 var(--space-4); }

  .pd-network-hub__index-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}