/* ============================================================================
   Community Page Styles — Machine Learning Systems
   Covers: community hub, events, partners pages
   ============================================================================ */

:root {
  --cm-accent: #A51C30;
  --cm-accent-hover: #8a1728;
  --cm-text: #1a1a2e;
  --cm-text-muted: #6b7280;
  --cm-bg: #ffffff;
  --cm-card-bg: #f9fafb;
  --cm-border: #e5e7eb;
}

.quarto-dark {
  --cm-text: #e5e7eb;
  --cm-text-muted: #9ca3af;
  --cm-bg: #0f1117;
  --cm-card-bg: #1a1d2e;
  --cm-border: #374151;
}

/* Dark mode explicit overrides — ensure community text is visible */
.quarto-dark .community-opening .opening-lead {
  color: #e5e7eb !important;
  background: none !important;
}
.quarto-dark .community-opening .opening-body {
  color: #9ca3af !important;
}
.quarto-dark .community-opening .opening-principle {
  color: var(--cm-accent) !important;
}
.quarto-dark .outreach-card h3,
.quarto-dark .channel-card h3,
.quarto-dark .event-info h3 {
  color: #e5e7eb !important;
}
.quarto-dark .outreach-card p,
.quarto-dark .channel-card p,
.quarto-dark .event-info p {
  color: #9ca3af !important;
}

/* ── Opening Hero ───────────────────────────────────────────────────────── */
.community-opening {
  max-width: 640px;
  margin: 0 auto 2rem;
  text-align: center;
  padding: 2rem 1.5rem 2.5rem;
  border-bottom: 1px solid var(--cm-border);
}
.community-opening p {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--cm-text-muted);
  margin-bottom: 0;
}
.community-opening .opening-lead {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cm-text);
  margin-bottom: 1rem;
  line-height: 1.35;
}
.community-opening .opening-body {
  margin-bottom: 1.25rem;
}
.community-opening .opening-principle {
  font-size: 1.05rem;
  font-weight: 600;
  font-style: italic;
  color: var(--cm-accent);
  margin: 0;
}

/* ── Opening Hero (sub-pages: events, partners) ─────────────────────────── */
.opening-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cm-accent);
  margin-bottom: 1rem;
}
.opening-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--cm-text);
  margin-bottom: 1.5rem;
}

/* ── Network Map ─────────────────────────────────────────────────────── */
.network-map-wrap {
  margin: 2rem 0 1.5rem;
  text-align: center;
}
.network-map-wrap img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--cm-border);
}
.map-caption {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: var(--cm-text-muted);
  margin-top: 0.75rem;
  font-style: italic;
}

/* ── Stats Row ───────────────────────────────────────────────────────── */
.stats-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 0 0 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--cm-border);
  justify-content: center;
}
.stat { text-align: center; }
.stat-num {
  font-family: 'Inter', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cm-accent);
  display: block;
  line-height: 1.2;
}
.stat-lbl {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  color: var(--cm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Community Spotlight Grid ────────────────────────────────────────── */
.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 0 0 2.5rem;
}
.spotlight {
  padding: 1.5rem 1.75rem;
  background: var(--cm-card-bg);
  border-left: 4px solid var(--cm-accent);
  border-radius: 0 10px 10px 0;
}
.spotlight-quote {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--cm-text);
  margin: 0;
  padding: 0;
  border: none;
  font-style: italic;
}
.spotlight-attribution {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--cm-text-muted);
  margin-top: 0.75rem;
  line-height: 1.4;
}

/* ── Outreach Cards ──────────────────────────────────────────────────── */
.outreach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.outreach-card {
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 10px;
  padding: 1.5rem;
}
.outreach-icon {
  font-size: 1.3rem;
  color: var(--cm-accent);
  margin-bottom: 0.75rem;
}
.outreach-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.outreach-card p {
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--cm-text-muted);
  margin: 0;
}

/* ── Readership / Looker Embed ────────────────────────────────────────── */
.readership-section {
  margin: 2rem 0 2.5rem;
  text-align: center;
}
.readership-heading {
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cm-text);
  margin: 0 0 0.5rem;
}
.readership-intro {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--cm-text-muted);
  margin: 0 0 1.25rem;
}
.looker-wrap {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--cm-border);
  background: var(--cm-card-bg);
}
.looker-wrap iframe {
  width: 100%;
  height: 420px;
  border: none;
}

/* ── Explore Grid (hub page links to sub-pages) ─────────────────────── */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.explore-card {
  display: block;
  padding: 1.5rem;
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 10px;
  text-decoration: none !important;
  color: inherit !important;
  transition: all 0.25s;
}
.explore-card:hover {
  border-color: var(--cm-accent);
  box-shadow: 0 6px 20px rgba(165, 28, 48, 0.1);
  transform: translateY(-3px);
}
.explore-icon {
  font-size: 1.5rem;
  color: var(--cm-accent);
  display: block;
  margin-bottom: 0.75rem;
}
.explore-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.explore-card p {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--cm-text-muted);
  margin: 0 0 0.75rem;
}
.explore-link {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cm-accent);
}
.explore-card:hover .explore-link {
  text-decoration: underline;
}

/* ── Channel Cards (3-column) ────────────────────────────────────────── */
.channel-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.channel-card {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--cm-border);
  border-radius: 10px;
  text-decoration: none !important;
  color: inherit !important;
  transition: all 0.2s;
  background: var(--cm-card-bg);
}
.channel-card:hover {
  border-color: var(--cm-accent);
  box-shadow: 0 4px 12px rgba(165, 28, 48, 0.08);
  transform: translateY(-2px);
}
.channel-card .channel-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
  color: var(--cm-accent);
}
.channel-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.channel-card p {
  font-size: 0.85rem;
  color: var(--cm-text-muted);
  line-height: 1.45;
  margin: 0;
}

/* ============================================================================
   Events Page — event cards, series, courses, past events, video grid
   ============================================================================ */

/* ── Event Cards ─────────────────────────────────────────────────────── */
.event-cards {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.event-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 12px;
  transition: border-color 0.2s;
}
.event-card:hover {
  border-color: var(--cm-accent);
}
.event-card-featured {
  border-left: 4px solid var(--cm-accent);
}
.event-card-recurring {
  border-left: 4px solid #3b82f6;
}
.event-card-badge {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(165,28,48,0.1);
  color: var(--cm-accent);
  margin-bottom: 0.5rem;
  align-self: flex-start;
  display: none; /* badge is shown inside body */
}
.event-badge-monthly {
  background: rgba(59,130,246,0.1);
  color: #3b82f6;
}
.event-card-date {
  text-align: center;
  min-width: 60px;
  flex-shrink: 0;
  padding-top: 0.25rem;
}
.event-month {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cm-accent);
  display: block;
}
.event-day {
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cm-text);
  display: block;
  line-height: 1.2;
}
.event-card-body h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.event-location {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: var(--cm-text-muted);
  margin: 0 0 0.5rem !important;
}
.event-location i {
  margin-right: 0.25rem;
  color: var(--cm-accent);
}
.event-card-body p {
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--cm-text-muted);
  margin: 0 0 0.75rem;
}
.event-link {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cm-accent);
  text-decoration: none;
}
.event-link:hover {
  text-decoration: underline;
}
.event-link i {
  margin-left: 0.25rem;
  font-size: 0.7rem;
}

/* ── Series Grid ─────────────────────────────────────────────────────── */
.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.series-card {
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.series-card:hover {
  border-color: var(--cm-accent);
}
.series-icon {
  font-size: 1.3rem;
  color: var(--cm-accent);
  margin-bottom: 0.75rem;
}
.series-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.series-cadence {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--cm-accent);
  font-weight: 600;
  margin: 0 0 0.75rem !important;
}
.series-cadence i {
  margin-right: 0.25rem;
}
.series-card p {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--cm-text-muted);
  margin: 0 0 0.75rem;
}
.series-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.series-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cm-accent);
  text-decoration: none;
}
.series-links a:hover {
  text-decoration: underline;
}
.series-links a i {
  margin-right: 0.25rem;
}

/* ── Course Grid ─────────────────────────────────────────────────────── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.course-card {
  display: block;
  padding: 1.25rem;
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 10px;
  text-decoration: none !important;
  color: inherit !important;
  transition: all 0.2s;
}
.course-card:hover {
  border-color: var(--cm-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(165, 28, 48, 0.08);
}
.course-platform {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cm-accent);
  margin-bottom: 0.5rem;
}
.course-platform i {
  margin-right: 0.25rem;
}
.course-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.course-card p {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--cm-text-muted);
  margin: 0;
}

/* ── Past Events Timeline ────────────────────────────────────────────── */
.past-events-section {
  margin: 1.5rem 0;
}
.past-events-intro {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--cm-text-muted);
  margin-bottom: 1.5rem;
}
.past-events-timeline {
  position: relative;
  padding-left: 1rem;
}
.past-year-group {
  margin-bottom: 1.5rem;
}
.past-year {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cm-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
  border: none !important;
  padding: 0 !important;
}
.past-event-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.past-event-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--cm-border);
  text-decoration: none !important;
  color: inherit !important;
  transition: background 0.15s;
}
a.past-event-item:hover {
  background: var(--cm-card-bg);
}
.past-event-name {
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cm-text);
}
.past-event-location {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--cm-text-muted);
  flex-shrink: 0;
}

/* ── Video / Resource Grid ───────────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.video-card {
  display: block;
  padding: 1.5rem;
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 10px;
  text-decoration: none !important;
  color: inherit !important;
  text-align: center;
  transition: all 0.2s;
}
.video-card:hover {
  border-color: var(--cm-accent);
  transform: translateY(-2px);
}
.video-icon {
  font-size: 2rem;
  color: var(--cm-accent);
  margin-bottom: 0.75rem;
}
.video-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.video-card p {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--cm-text-muted);
  margin: 0;
}

/* ============================================================================
   Partners Page — partner cards, CTA banner
   ============================================================================ */

/* ── Partner Cards Grid ──────────────────────────────────────────────── */
.partner-tier {
  margin-bottom: 2rem;
}
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.partner-card {
  display: block;
  padding: 1.25rem;
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 10px;
  text-decoration: none !important;
  color: inherit !important;
  text-align: center;
  transition: all 0.25s;
}
.partner-card:hover {
  border-color: var(--cm-accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(165, 28, 48, 0.08);
}
.partner-card-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  margin-bottom: 0.75rem;
}
.partner-card-logo img {
  max-height: 52px;
  max-width: 140px;
  object-fit: contain;
  opacity: 0.7;
  filter: grayscale(40%);
  transition: all 0.25s;
}
.partner-card:hover .partner-card-logo img {
  opacity: 1;
  filter: grayscale(0%);
}
.partner-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  border: none !important;
  padding: 0 !important;
  color: var(--cm-text);
}
.partner-card p {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--cm-text-muted);
  margin: 0;
}

/* Dark mode partner logos */
.quarto-dark .partner-card-logo img {
  filter: grayscale(40%) brightness(1.5);
  opacity: 0.5;
}
.quarto-dark .partner-card:hover .partner-card-logo img {
  filter: brightness(1.3);
  opacity: 1;
}

/* ── Sponsor CTA Banner ──────────────────────────────────────────────── */
.sponsor-cta-banner {
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  margin: 2rem 0;
}
.sponsor-cta-icon {
  font-size: 1.75rem;
  color: var(--cm-accent);
  margin-bottom: 1rem;
}
.sponsor-cta-banner h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cm-text);
  margin: 0 0 0.75rem;
  border: none !important;
  padding: 0 !important;
}
.sponsor-cta-banner > p {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--cm-text-muted);
  max-width: 550px;
  margin: 0 auto 1.5rem !important;
}
.sponsor-cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1rem;
}
.sponsor-cta-note {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: var(--cm-text-muted);
  margin-top: 0.5rem;
}

/* Shared CTA buttons */
.cta-btn-primary {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--cm-accent);
  color: #fff !important;
  text-decoration: none !important;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.cta-btn-primary:hover {
  background: var(--cm-accent-hover);
}
.cta-btn-primary i {
  margin-right: 0.4rem;
}
.cta-btn-secondary {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--cm-text) !important;
  text-decoration: none !important;
  border: 1.5px solid var(--cm-border);
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}
.cta-btn-secondary:hover {
  border-color: var(--cm-accent);
}
.cta-btn-secondary i {
  margin-right: 0.4rem;
}

/* ── Legacy styles (kept for backward compat if JS-loaded) ──────────── */
.partners-section { margin: 1rem 0; }
.tier-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cm-text-muted);
  margin-bottom: 1rem;
  text-align: center;
}
.partner-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
  align-items: center;
}
.partner-logo {
  padding: 0.75rem 1.25rem;
  background: var(--cm-card-bg);
  border: 1px solid var(--cm-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.partner-logo:hover {
  transform: translateY(-2px);
  border-color: var(--cm-accent);
}
.partner-logo img {
  max-height: 44px;
  max-width: 130px;
  object-fit: contain;
  opacity: 0.65;
  filter: grayscale(60%);
  transition: all 0.2s;
}
.partner-logo:hover img {
  opacity: 1;
  filter: grayscale(0%);
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .spotlight-grid { grid-template-columns: 1fr; }
  .outreach-grid { grid-template-columns: 1fr; }
  .channel-grid-3 { grid-template-columns: 1fr; }
  .explore-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .event-card { flex-direction: column; }
  .event-card-date { text-align: left; min-width: auto; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .sponsor-cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .partner-grid { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
}