/* EducationDetail.css - Detail page styles for Online Classes, Series, and Courses */

/* ============================================================
   CSS VARIABLES (shared with EducationAndEvents.css)
   ============================================================ */
:root {
  --acec-gold: #F7C95D;
  --acec-gold-dark: #e09a10;
  --acec-navy: #213138;
  --acec-gray: #4a575d;
  --acec-light-gray: #e9ecef;
  --acec-warning: #e09a10;
  --acec-border: #dee2e6;
  --acec-muted: #adb5bd;
  --acec-nav-link: #6c757d;
  --acec-bg: #fff;
  --acec-shadow: 0 2px 8px rgba(33,49,56,0.06);
  --acec-shadow-hover: 0 6px 24px rgba(33,49,56,0.13);

  --font-main: 'Inter', Arial, sans-serif;
  --font-title: 'Playfair Display', serif;
  --font-btn: 'Raleway', sans-serif;

  --fs-xs: 0.7rem;
  --fs-sm: 0.8rem;
  --fs-100: 0.875rem;
  --fs-200: 0.9rem;
  --fs-base: 1rem;
  --fs-lg: 1.5rem;

  --fw-normal: 400;
  --fw-semibold: 600;
  --fw-bold: 700;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --border-width: 1.5px;
  --border-width-thin: 1px;
}

/* ============================================================
   GLOBAL / CONTAINER
   ============================================================ */
body, .edu-detail-page {
  font-family: var(--font-main);
  background: #f8f9fa;
  color: var(--acec-navy);
}

/* Bootstrap container max-width override to match design */
.edu-detail-page .container {
  max-width: 1200px;
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
#loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--acec-border);
  border-top-color: var(--acec-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   BACK NAVIGATION
   ============================================================ */
.detail-back-nav {
  background: transparent;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  text-decoration: none !important;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.btn-back:hover {
  background-color: #fff !important;
  color: var(--acec-navy) !important;
  text-decoration: none !important;
  border: var(--bs-btn-border-width) solid var(--acec-gold) !important;
}

.btn-back:focus,
.btn-back:active {
  border-color: var(--acec-gold) !important;
  background-color: #fff !important;
  color: var(--acec-navy) !important;
  box-shadow: 0 0 0 0.2rem rgba(247, 201, 93, 0.15) !important;
  outline: none;
}

.btn-back i {
  font-size: 1rem;
}

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero-banner {
  position: relative;
  width: 100%;
  min-height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--acec-navy);
  border-radius: 5px;
}

/* No-image fallback: mirrors the list-page card thumbnail gradient
   (.card-image-container--gradient uses --acec-dark / --acec-dark-80,
   which resolve to hsl(202 29% 16%) — the dark navy-teal). */
.hero-banner--no-image {
  background: linear-gradient(135deg, hsl(202, 29%, 16%) 0%, hsl(202, 25%, 26%) 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  border-radius: 5px;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.5) 45%,
    rgba(0, 0, 0, 0.25) 100%
  );
}

/* Badge: On-Demand / Type (top-right) — matches list page badge-type */
.hero-badge-type {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  background: var(--acec-gold-dark);
  color: #000;
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  padding: 0.25em 0.5em 0.1em 0.5em;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(33, 49, 56, 0.10);
}

/* Badge: NEW (top-left) — matches list page badge-new triangle ribbon */
.hero-badge-new {
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 10;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 40px 40px 0 0;
  border-color: var(--acec-gold-variant-01) transparent transparent transparent;
  border-top-left-radius: 5px;
  overflow: visible;
}

.hero-badge-new::after {
  content: 'NEW';
  position: absolute;
  top: -34px;
  left: -15px;
  width: 60px;
  text-align: center;
  transform: rotate(-45deg);
  color: var(--acec-navy);
  font-weight: bold;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-main);
}

/* Hero Content Wrapper */
.hero-content-wrapper {
  position: relative;
  z-index: 1;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
  line-height: 1.2;
  max-width: 75%;
}

.hero-description {
  font-family: var(--font-main);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 60%;
  margin-bottom: 0;
  line-height: 1.5;
}

/* "Also available in [Series]" indicator */
.hero-series-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.1rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-main);
  font-size: 0.875rem;
  text-decoration: none;
  backdrop-filter: blur(4px);
  width: fit-content;
  transition: background 0.2s;
}

.hero-series-link:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
}

.hero-series-link .text-gold {
  color: var(--acec-gold);
}

/* ============================================================
   TAB NAVIGATION - Bootstrap nav-tabs with ACEC styling
   ============================================================ */
.detail-tabs-nav {
  background: #fff;
}

/* Match committee profile: keep Bootstrap's nav-tabs bottom border */
.detail-tabs-nav .nav-tabs {
  border-bottom: none;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.detail-tabs-nav .nav-tabs::-webkit-scrollbar {
  display: none;
}

/* Scrollable tab list */
.detail-tabs-list {
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.detail-tabs-list::-webkit-scrollbar {
  display: none;
}

/* Tab button base — matches committee profile .nav-tabs .nav-link styling */
.detail-tab-btn {
  background: none !important;
  border: none !important;
  border-bottom: 3px solid transparent !important;
  border-radius: 0.15rem !important;
  padding: 10px 20px;
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: var(--fw-semibold);
  color: var(--acec-nav-link);
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-tab-btn i {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.detail-tab-btn:hover {
  color: var(--acec-navy);
  border-bottom-color: transparent !important;
  background: none !important;
}

.detail-tab-btn.active {
  color: var(--acec-navy) !important;
  border-bottom: 3.5px solid var(--acec-gold) !important;
  font-weight: var(--fw-bold);
  background: none !important;
}

.nav-tabs .nav-link {
  background: none;
  border: none;
  padding: 0.5rem 0.75rem;
  color: var(--acec-nav-link);
  font-size: 1.1rem;
  font-weight: 500;
  border-bottom: 2.5px solid transparent;
  border-radius: 0;
  transition: color 0.2s, border-color 0.2s;
  font-family: var(--font-main);
  margin-right: 1rem;
}

.nav-link.active {
  color: var(--acec-navy);
  border-bottom: 2.5px solid var(--acec-gold);
  font-weight: 700;
  background: none;
}
.nav-link:hover {
    color: var(--acec-navy);
}

/* ============================================================
   TAB PANES
   ============================================================ */
.detail-tab-pane {
  display: none;
}

.detail-tab-pane.active {
  display: block;
}

/* ============================================================
   DETAIL CARD - Bootstrap card with ACEC styling
   ============================================================ */
.detail-card {
  border: 1px solid var(--acec-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--acec-shadow);
}

/* ============================================================
   OVERVIEW TAB – Bootstrap row/col layout
   ============================================================ */

/* Description text */
.overview-description {
  font-family: var(--font-main);
  font-size: 0.95rem;
  line-height: inherit;
  color: var(--acec-navy);
  margin-bottom: 2rem;
}

.overview-description p {
  margin-bottom: 1rem;
}

.overview-description p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   WHAT YOU'LL LEARN BOX
   ============================================================ */
.what-you-learn {
  background: white;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.what-you-learn h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--acec-navy);
  margin-bottom: 1rem;
}

.learning-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.learning-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--acec-gray);
  line-height: 1.5;
}

.learning-list li:last-child {
  margin-bottom: 0;
}

.learning-bullet {
  color: var(--acec-gold-dark);
  font-size: 0.75rem;
  line-height: inherit;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   SIDEBAR (RIGHT COLUMN)
   ============================================================ */
.overview-main-content {
  /* No card border or background — plain content area */
}

.overview-sidebar {
  position: static;
}

.sidebar-info-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.sidebar-info-icon {
  color: var(--acec-gold-dark);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: -1px;
}

.sidebar-info-text {
  font-family: var(--font-main);
  font-size: 0.9rem;
}

.sidebar-info-text .main-text {
  font-weight: 600;
  color: var(--acec-navy);
  display: block;
}

.sidebar-info-text .sub-text {
  color: var(--acec-gray);
  font-size: 0.85rem;
  display: block;
  margin-top: 0.2rem;
}

/* Purchase Button */
.btn-purchase {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.5rem 1.5rem;
  background: var(--acec-gold) !important;
  border: var(--border-width) solid var(--acec-gold) !important;
  color: var(--acec-navy) !important;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 0.5rem;
  margin-top: 1rem;
  transition: opacity 0.2s;
  text-decoration: none;
}

.btn-purchase:hover {
  opacity: 0.85;
  color: var(--acec-navy);
  text-decoration: none;
}

.btn-purchase--disabled {
  opacity: 0.4 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
}

/* Pricing */
.pricing-rows-group {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--acec-border);
  line-height: initial;
}

.pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.pricing-row:last-of-type {
  margin-bottom: 0;
}

.pricing-label {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--acec-navy);
  font-weight: 500;
}

.your-price-text {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--acec-gray);
  margin-left: 0.35rem;
}

.pricing-value {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  color: var(--acec-gold-dark);
}

/* Sponsors inside sidebar */
.sponsor-section {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--acec-border);
}

.sponsor-section-header {
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--acec-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.sponsor-description {
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--acec-gray);
  margin-bottom: 0.5rem;
}

.sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.sponsor-logo {
  height: 40px;
  object-fit: contain;
  max-width: 120px;
}

/* ============================================================
   SIDEBAR SPEAKERS CARD
   ============================================================ */
.sidebar-speakers h3 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--acec-navy);
  margin-bottom: 1rem;
}

.sidebar-speaker-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.sidebar-speaker-item:last-child {
  margin-bottom: 0;
}

.sidebar-speaker-photo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-speaker-initials {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--acec-gold);
  color: var(--acec-navy);
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-speaker-info .spk-name {
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--acec-navy);
  display: block;
  line-height: 1.3;
}

.sidebar-speaker-info .spk-sub {
  font-family: var(--font-main);
  font-size: 0.78rem;
  color: var(--acec-gray);
  display: block;
}


/* ============================================================
   SIDEBAR TOPICS CARD
   ============================================================ */
.sidebar-topics h3 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--acec-navy);
  margin-bottom: 1rem;
}

.sidebar-topics-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sidebar-topic-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem var(--sp-sm);
  font-size: 0.78rem;
  background-color: var(--acec-light-gray);
  color: var(--acec-gray);
  border: var(--border-width-thin) solid var(--acec-border);
  border-radius: 6px;
  font-family: var(--font-main);
  font-weight: var(--fw-normal);
  white-space: nowrap;
}

/* ============================================================
   SERIES CLASSES LIST (inside Overview tab)
   ============================================================ */
.series-summary {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--acec-gray);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.series-classes-summary {
  font-family: var(--font-main);
  font-size: 0.95rem;
  line-height: inherit;
  color: var(--acec-navy);
  margin-bottom: 1rem;
}

.series-classes-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Horizontal Class Card */
.class-card-h {
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.class-card-h:hover {
  box-shadow: var(--acec-shadow-hover);
}

.class-card-h-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem;
}

.class-card-thumb-wrap {
  width: 160px;
  flex-shrink: 0;
}

/* Triangle ribbon — mirrors .hero-badge-new but sized for the thumbnail */
.class-card-new-badge {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 28px 28px 0 0;
  border-color: var(--acec-gold-variant-01) transparent transparent transparent;
  border-top-left-radius: var(--radius-sm);
  overflow: visible;
  pointer-events: none;
}

.class-card-new-badge::after {
  content: 'NEW';
  position: absolute;
  top: -22px;
  left: -20px;
  width: 60px;
  text-align: center;
  transform: rotate(-45deg);
  color: var(--acec-navy);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.class-card-thumb-wrap .aspect-ratio-box {
  position: relative;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--acec-light-gray);
}

.class-card-thumb-wrap .aspect-ratio-box img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.class-card-thumb-wrap .aspect-ratio-box .thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--acec-light-gray);
}

.class-card-thumb-wrap .aspect-ratio-box .thumb-placeholder i {
  font-size: 2rem;
  color: var(--acec-muted);
}

.class-card-h-info {
  flex: 1;
  min-width: 0;
}

.class-card-h-title {
  font-family: var(--font-title);
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--acec-navy);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.class-card-h-desc {
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--acec-gray);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.class-card-h-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-family: var(--font-main);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--acec-gray);
  margin-top: 0.4rem;
}

.class-card-h-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.class-card-h-meta-item i {
  color: var(--acec-gold-dark);
  font-size: 0.9rem;
  margin-top: -3px;
}

/* Desktop: Show meta inside info, pricing separate */
.class-card-h-meta-desktop {
  display: block;
}

.class-card-h-pricing-desktop {
  display: block;
  text-align: right;
  min-width: 150px;
  flex-shrink: 0;
}

/* Mobile: Hide desktop versions */
.class-card-h-meta-pricing-mobile {
  display: none;
}

.class-card-h-meta-mobile {
  display: none;
}

.class-card-h-pricing-mobile {
  display: none;
}

.class-card-h-pricing {
  text-align: right;
  min-width: 150px;
  flex-shrink: 0;
}

.class-price-row {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
  margin-bottom: 0.5rem;
}

.class-price-row:last-child {
  margin-bottom: 0;
}

.class-price-label {
  font-family: var(--font-main);
  font-size: 0.72rem;
  color: var(--acec-gray);
  line-height: 1.3;
  font-weight: 600;
}

.class-price-your-tag {
  font-size: 0.68rem;
  color: var(--acec-gray);
}

.class-price-value {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--acec-gold-dark);
}

.class-card-h-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 48px;
}

.btn-class-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 38px;
  background: none;
  border: var(--border-width) solid var(--acec-gold);
  color: var(--acec-navy);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s;
}

.btn-class-expand:hover {
  background: var(--acec-gold);
}

.btn-class-expand i {
  font-size: 0.9rem;
  transition: transform 0.2s;
}

.btn-class-expand.expanded i {
  transform: rotate(180deg);
}

.btn-class-purchase {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 38px;
  background: var(--acec-gold) !important;
  border: var(--border-width) solid var(--acec-gold) !important;
  color: var(--acec-navy) !important;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  font-size: 1rem;
  transition: opacity 0.2s;
}

.btn-class-purchase:hover {
  opacity: 0.85;
  color: var(--acec-navy) !important;
  text-decoration: none;
}

/* Expand area */
.class-card-expand-content {
  display: none;
  border-top: 1px solid var(--acec-border);
  padding: 1.25rem 1rem 1.25rem 1rem;
  background: white;
}

.class-card-expand-content.visible {
  display: block;
}

.class-expand-section {
  margin-bottom: 1.25rem;
}

.class-expand-section:last-child {
  margin-bottom: 0;
}

.class-expand-learn-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.class-expand-learn-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-family: var(--font-main);
  color: var(--acec-gray);
  font-size: 0.8rem;
  line-height: 1rem;
  font-weight: 400;
}

.class-expand-bullet {
  color: var(--acec-gold-dark);
  flex-shrink: 0;
  line-height: 1.4;
}

.class-expand-speakers {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.class-expand-speaker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.class-expand-spk-photo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.class-expand-spk-initials {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--acec-gold);
  color: var(--acec-navy);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-main);
}

.class-expand-spk-name {
  font-family: var(--font-main);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--acec-navy);
  display: block;
  line-height: 1.2;
}

.class-expand-spk-sub {
  font-family: var(--font-main);
  font-size: 0.7rem;
  color: var(--acec-gray);
  display: block;
  font-weight: 300;
}

.class-expand-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.class-expand-topic-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.08rem 0.55rem;
  font-family: var(--font-main);
  font-size: 0.7rem;
  font-weight: var(--fw-normal);
  color: var(--acec-gray);
  background-color: var(--acec-light-gray);
  border: var(--border-width-thin) solid var(--acec-border);
  border-radius: 6px;
}

/* ============================================================
   SPEAKERS TAB (full page)
   ============================================================ */
.speakers-tab-intro {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--acec-gray);
  margin-bottom: 2rem;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.speaker-full-card {
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s;
  box-shadow: var(--acec-shadow);
}

.speaker-full-card:hover {
  box-shadow: var(--acec-shadow-hover);
}

.speaker-type-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--acec-gold);
  color: var(--acec-navy);
  font-family: var(--font-main);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
}

.speaker-linkedin-link {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #000;
  color: #fff !important;
  text-decoration: none;
  transition: opacity 0.2s;
}

.speaker-linkedin-link:hover {
  opacity: 0.65;
  color: #fff !important;
}

.speaker-linkedin-link svg {
  display: block;
  flex-shrink: 0;
}

.speaker-photo-wrap {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
}

.speaker-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speaker-initials-wrap {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--acec-gold);
  color: var(--acec-navy);
  font-family: var(--font-main);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.speaker-card-name {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--acec-navy);
  margin-bottom: 0.2rem;
}

.speaker-card-title {
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--acec-gold-dark);
  margin-bottom: 0.2rem;
}

.speaker-card-org {
  font-family: var(--font-main);
  font-size: 0.83rem;
  color: var(--acec-gray);
  margin-bottom: 0;
}

.speaker-bio-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 1rem;
  background: none;
  border: none;
  color: var(--acec-gold-dark);
  font-family: var(--font-main);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s;
}

.speaker-bio-toggle:hover {
  text-decoration: underline;
  color: var(--acec-gold-dark);
}

.speaker-bio-toggle i {
  font-size: 0.8rem;
  transition: transform 0.2s;
}

.speaker-bio-toggle.expanded i {
  transform: rotate(180deg);
}

.speaker-bio-content {
  display: none;
  text-align: left;
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--acec-gray);
  line-height: 1.6;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--acec-border);
}

.speaker-bio-content.visible {
  display: block;
}

/* ============================================================
   SESSIONS TAB
   ============================================================ */
.sessions-tab-intro {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--acec-gray);
  margin-bottom: 2rem;
}

.session-card {
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: box-shadow 0.2s;
  box-shadow: var(--acec-shadow);
}

.session-card:hover {
  box-shadow: var(--acec-shadow-hover);
}

.session-card-inner {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
}

.session-thumb {
  width: 192px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--acec-light-gray);
}

.session-thumb img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.session-info {
  flex: 1;
  min-width: 0;
}

.session-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.session-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--acec-navy);
  line-height: 1.3;
}

.session-expand-toggle-icon {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--acec-gray);
  margin-top: 3px;
  transition: transform 0.2s;
}

.session-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.session-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-main);
  font-size: 0.85rem;
  color: var(--acec-gray);
}

.session-meta-item i {
  color: var(--acec-gold-dark);
}

.session-desc {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--acec-gray);
  line-height: 1.5;
  margin-bottom: 0;
}

.session-expand-content {
  display: none;
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--acec-border);
  margin-top: 0;
}

.session-expand-content.visible {
  display: block;
}

.session-long-desc {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--acec-gray);
  line-height: 1.7;
  padding-top: 1.25rem;
  white-space: pre-line;
}

/* ============================================================
   TESTIMONIALS TAB
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.testimonial-card {
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: box-shadow 0.2s;
  box-shadow: var(--acec-shadow);
}

.testimonial-card:hover {
  box-shadow: var(--acec-shadow-hover);
}

.testimonial-header {
  margin-bottom: 0.75rem;
}

.testimonial-name {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--acec-navy);
  margin-bottom: 0.15rem;
}

.testimonial-meta {
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--acec-gray);
}

.testimonial-text {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--acec-gray);
  font-style: italic;
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   FAQs TAB
   ============================================================ */
.faqs-tab-intro {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--acec-gray);
  margin-bottom: 1.5rem;
}

.faqs-list {
  border-top: 1px solid var(--acec-border);
}

.faq-item {
  border-bottom: 1px solid var(--acec-border);
}

.faq-question-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--acec-navy);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
  gap: 1rem;
}

.faq-question-btn:hover {
  background: #1a262c;
}

.faq-question-btn .question-text {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  flex: 1;
}

.faq-question-btn .faq-chevron {
  color: #fff;
  flex-shrink: 0;
  font-size: 0.9rem;
  transition: transform 0.3s linear;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.25rem;
  background: #f8f9fa;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: #4a5568;
  line-height: 1.65;
  transition-timing-function: cubic-bezier(0.4, 0, 0.53, 0.99);
  transition-duration: 200ms;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 1rem 1.25rem;
}

/* ============================================================
   MEDIA TAB
   ============================================================ */
.media-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--acec-navy);
  margin-top: 2rem;
  margin-bottom: 1.25rem;
}

.media-section-title:first-child {
  margin-top: 0;
}

.media-section-icon {
  font-size: 1.1rem;
  color: var(--acec-navy);
  flex-shrink: 0;
}

/* ---- Unified media item grid (videos: 2-col) ---- */
.media-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 0.5rem;
}

.media-photo-items-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

/* ---- Unified media item list (podcasts, resources: 1-col) ---- */
.media-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

/* ---- Single bordered container for Podcasts / Resources ---- */
.media-group-container {
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

/* ---- Shared card shell ---- */
.media-item-card {
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.media-item-title {
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--acec-navy);
  line-height: 1.4;
}

/* ---- Video inside card ---- */
.media-item-video {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.video-aspect {
  position: relative;
  padding-bottom: 56.25%;
  background: #111;
}

.video-aspect iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Video fallback: grey bg + centered play circle (no link — stays inline) */
.video-fallback-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #d0d0d0;
}

.video-fallback-play {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
  color: #fff;
  font-size: 1.6rem;
}

/* ---- Podcast / Resource link inside card ---- */
.media-item-body {
  display: flex;
  align-items: center;
}

.media-item-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: var(--acec-gold-dark);
  text-decoration: none;
}

.media-item-link i {
  font-size: 1rem;
  flex-shrink: 0;
}

.media-item-link:hover {
  text-decoration: underline;
}

/* ============================================================
   MEDIA TAB — Photo Gallery
   ============================================================ */
.media-photos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.media-photo-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.media-photo-thumb {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: block;
  width: 100%;
}

.media-photo-thumb-inner {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1.5px solid var(--acec-border);
  background: var(--acec-light-gray);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.media-photo-thumb:hover .media-photo-thumb-inner {
  box-shadow: var(--acec-shadow-hover);
  border-color: var(--acec-gold-dark);
}

.media-photo-thumb-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
  display: block;
}

.media-photo-thumb:hover .media-photo-thumb-inner img {
  transform: scale(1.06);
}


@media (max-width: 768px) {
  .media-photos-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .media-photos-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   PHOTO LIGHTBOX
   ============================================================ */
.edu-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.edu-lightbox.is-open {
  display: flex;
}

.edu-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
}

.edu-lightbox-dialog {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.edu-lightbox-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  background: rgba(0, 0, 0, 0.55);
  border: 2px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
  flex-shrink: 0;
  line-height: 1;
}

.edu-lightbox-close:hover {
  background: rgba(0, 0, 0, 0.85);
  transform: scale(1.1);
}

.edu-lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
}

.edu-lightbox-caption {
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin: 0;
}

/* ============================================================
   SPONSORSHIP TAB
   ============================================================ */
.sponsorship-tab {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.sponsorship-group {
  text-align: center;
}

.sponsorship-group-header {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--acec-gold-dark);
  text-align: center;
  margin-bottom: 0.5rem;
}

.sponsorship-group-desc {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--acec-gray);
  text-align: center;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.sponsorship-logos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.sponsorship-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100px;
  background: #fff;
  border: 1px solid var(--acec-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--acec-shadow);
  transition: box-shadow 0.2s;
}

.sponsorship-logo-card:hover {
  box-shadow: var(--acec-shadow-hover);
}

.sponsorship-logo-img {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
  display: block;
}

.sponsorship-logo-name {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--acec-navy);
  text-align: center;
  line-height: 1.4;
}

/* ============================================================
   ERROR STATE
   ============================================================ */
.error-state {
  text-align: center;
  padding: 5rem 2rem;
}

.error-state h2 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  color: var(--acec-navy);
  margin-bottom: 1rem;
}

.error-state p {
  font-family: var(--font-main);
  color: var(--acec-gray);
  margin-bottom: 1.5rem;
}

.btn-error-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  background: transparent;
  border: var(--border-width) solid var(--acec-navy);
  color: var(--acec-navy) !important;
  font-family: var(--font-btn);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: opacity 0.2s;
}

.btn-error-back:hover {
  opacity: 0.85;
  color: var(--acec-navy);
  text-decoration: none;
}

/* ============================================================
   MOBILE TAB DESIGN - Icons Only for Inactive, Icon + Text for Active
   ============================================================ */
@media (max-width: 991.98px) {
  .container, .container-md, .container-sm {
    max-width: -webkit-fill-available !important;
  }
  /* Add padding for back nav and content containers */
  .detail-back-nav.container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .detail-tabs-content .container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  /* Responsive font sizes - matching list page */
  .overview-description {
    font-size: 0.85rem;
  }
  
  .sidebar-info-text {
    font-size: 0.85rem;
  }
  
  .sidebar-info-text .sub-text {
    font-size: 0.8rem;
  }
  
  .pricing-label {
    font-size: 0.85rem;
  }
  
  .pricing-value {
    font-size: 0.9rem;
  }
  
  .btn-purchase {
    font-size: 0.85rem;
    padding: 0.4rem 1.25rem;
  }
  
  /* What You'll Learn section */
  .what-you-learn h3 {
    font-size: 1rem;
  }
  
  .learning-list li {
    font-size: 0.85rem;
  }
  
  /* Sidebar sections */
  .sidebar-speakers h3,
  .sidebar-topics h3 {
    font-size: 0.95rem;
  }
  
  .sidebar-speaker-info .spk-name {
    font-size: 0.85rem;
  }
  
  .sidebar-speaker-info .spk-sub {
    font-size: 0.75rem;
  }
  
  /* Tab intro text */
  .speakers-tab-intro,
  .sessions-tab-intro,
  .faqs-tab-intro {
    font-size: 0.85rem;
  }
  
  /* FAQs - responsive font sizes */
  .faq-question-btn .question-text {
    font-size: 0.85rem;
  }
  
  .faq-question-btn .faq-chevron {
    font-size: 0.8rem;
  }
  
  .faq-answer {
    font-size: 0.8rem;
  }
  
  .faq-question-btn {
    padding: 0.9rem 1.1rem;
  }
  
  .faq-item.open .faq-answer {
    padding: 0.9rem 1.1rem;
  }
  
  /* Sidebar topic badges */
  .sidebar-topic-badge {
    font-size: 0.72rem;
  }
  
  /* Available In Series - series name font size */
  .sidebar-topics ul li {
    font-size: 0.85rem !important;
  }
  
  /* Class cards in series */
  .class-card-h-title {
    font-size: 0.9rem;
  }
  
  .class-card-h-desc {
    font-size: 0.8rem;
  }
  
  .class-card-h-meta {
    font-size: 0.8rem;
  }
  
  /* Class card pricing - responsive font sizes */
  .class-price-label {
    font-size: 0.65rem;
  }
  
  .class-price-value {
    font-size: 0.8rem;
  }
  
  .class-price-your-tag {
    font-size: 0.6rem;
  }
  
  /* Form controls (textboxes, dropdowns) */
  .edu-detail-page input[type="text"],
  .edu-detail-page input[type="email"],
  .edu-detail-page input[type="search"],
  .edu-detail-page textarea,
  .edu-detail-page select,
  .edu-detail-page .form-control {
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
  }
  
  /* Testimonials - responsive font sizes */
  .testimonial-card {
    padding: 1.25rem;
  }
  
  .testimonial-name {
    font-size: 0.9rem;
  }
  
  .testimonial-meta {
    font-size: 0.75rem;
  }
  
  .testimonial-text {
    font-size: 0.85rem;
  }
  
  /* Media tab - responsive font sizes */
  .media-section-title {
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .media-section-icon {
    font-size: 1rem;
  }
  
  .media-item-title {
    font-size: 0.8rem;
  }
  
  .media-item-link {
    font-size: 0.8rem;
  }
  
  .media-item-link i {
    font-size: 0.9rem;
  }
  
  .media-group-container {
    padding: 0.9rem 1rem;
  }
  
  .media-item-card {
    padding: 0.9rem 1rem;
  }
  
  /* Sponsorship tab - responsive font sizes and logo height */
  .sponsorship-tab {
    gap: 2rem;
  }
  
  .sponsorship-group-header {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
  }
  
  .sponsorship-group-desc {
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
  }
  
  .sponsorship-logo-name {
    font-size: 0.85rem;
  }
  
  .sponsorship-logo-img {
    max-height: 70px;
  }
  
  .sponsorship-logo-card {
    min-height: 90px;
    padding: 1rem;
  }
  
  /* Hide text on inactive tabs, show icon only */
  .detail-tabs-nav .detail-tab-btn:not(.active) .tab-text {
    display: none !important;
  }
  
  /* Show icon + text on active tab */
  .detail-tabs-nav .detail-tab-btn.active .tab-text {
    display: inline !important;
    margin-left: 0.35rem;
    font-size: 1.05rem;
  }
  
  /* Ensure icons are always visible - larger size for better visibility */
  .detail-tabs-nav .detail-tab-btn i {
    margin-right: 0;
    font-size: 1.35rem;
    display: inline-block;
  }
  
  /* Active tab icon spacing */
  .detail-tabs-nav .detail-tab-btn.active i {
    margin-right: 0.35rem;
    font-size: 1.35rem;
  }
  
  /* Adjust padding and layout for icon-only tabs */
  .detail-tabs-nav .detail-tab-btn:not(.active) {
    padding: 10px 10px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Active tab maintains normal padding with flex layout */
  .detail-tabs-nav .detail-tab-btn.active {
    padding: 10px 14px;
    display: flex;
    align-items: center;
  }
  
  /* Remove container padding on mobile for tabs to use full width */
  .detail-tabs-nav .container {
    padding-left: 0;
    padding-right: 0;
  }
  
  /* Ensure tabs don't wrap to multiple rows */
  .detail-tabs-nav .detail-tabs-list {
    flex-wrap: nowrap;
    overflow-x: visible;
    -webkit-overflow-scrolling: touch;
    gap: 0;
  }
  
  .detail-tabs-nav .nav-item {
    flex-shrink: 0;
    margin-right: 0.5rem;
  }
  
  .detail-tabs-nav .nav-item:last-child {
    margin-right: 0;
  }
  
  /* Override base gap for mobile */
  .detail-tabs-nav .detail-tab-btn {
    gap: 0;
  }
  
  /* Remove margin from nav-link on mobile */
  .detail-tabs-nav .nav-tabs .nav-link {
    margin-right: 0;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
  .overview-sidebar {
    position: static;
  }

  .hero-title {
    font-size: 1.5rem;
    max-width: 100%;
  }

  .hero-description {
    max-width: 100%;
    font-size: 0.9rem;
  }

  .speakers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  /* Testimonials - smaller font sizes */
  .testimonial-card {
    padding: 1rem;
  }
  
  .testimonial-name {
    font-size: 0.85rem;
  }
  
  .testimonial-meta {
    font-size: 0.7rem;
  }
  
  .testimonial-text {
    font-size: 0.8rem;
  }
  
  /* Media tab - smaller font sizes */
  .media-section-title {
    font-size: 1rem;
    margin-top: 1.25rem;
    margin-bottom: 0.9rem;
  }
  
  .media-section-icon {
    font-size: 0.9rem;
  }
  
  .media-item-title {
    font-size: 0.75rem;
  }
  
  .media-item-link {
    font-size: 0.75rem;
  }
  
  .media-item-link i {
    font-size: 0.85rem;
  }
  
  .media-group-container {
    padding: 0.8rem 0.9rem;
  }
  
  .media-item-card {
    padding: 0.8rem 0.9rem;
  }
  
  /* Sponsorship tab - smaller font sizes and logo height */
  .sponsorship-tab {
    gap: 1.75rem;
  }
  
  .sponsorship-group-header {
    font-size: 1.15rem;
    margin-bottom: 0.35rem;
  }
  
  .sponsorship-group-desc {
    font-size: 0.8rem;
    margin-bottom: 1rem;
  }
  
  .sponsorship-logo-name {
    font-size: 0.8rem;
  }
  
  .sponsorship-logo-img {
    max-height: 60px;
  }
  
  .sponsorship-logo-card {
    min-height: 80px;
    padding: 0.9rem;
  }

  .media-items-grid {
    grid-template-columns: 1fr;
  }

  .sponsorship-logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-banner {
    min-height: 180px;
  }

  .hero-title {
    font-size: 1.3rem;
  }
  
  .hero-description {
    font-size: 0.85rem;
  }
  
  /* Reduce padding for back nav and content containers */
  .detail-back-nav.container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }
  
  .detail-tabs-content .container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }
  
  /* Responsive font sizes - smaller screens */
  .overview-description {
    font-size: 0.8rem;
  }
  
  .sidebar-info-text {
    font-size: 0.8rem;
  }
  
  .sidebar-info-text .sub-text {
    font-size: 0.75rem;
  }
  
  .pricing-label {
    font-size: 0.8rem;
  }
  
  .pricing-value {
    font-size: 0.85rem;
  }
  
  .btn-purchase {
    font-size: 0.8rem;
    padding: 0.35rem 1rem;
  }
  
  /* What You'll Learn section */
  .what-you-learn h3 {
    font-size: 0.95rem;
  }
  
  .learning-list li {
    font-size: 0.8rem;
  }
  
  /* Sidebar sections */
  .sidebar-speakers h3,
  .sidebar-topics h3 {
    font-size: 0.9rem;
  }
  
  .sidebar-speaker-info .spk-name {
    font-size: 0.8rem;
  }
  
  .sidebar-speaker-info .spk-sub {
    font-size: 0.7rem;
  }
  
  /* Tab intro text */
  .speakers-tab-intro,
  .sessions-tab-intro,
  .faqs-tab-intro {
    font-size: 0.8rem;
  }
  
  /* FAQs - smaller font sizes */
  .faq-question-btn .question-text {
    font-size: 0.8rem;
  }
  
  .faq-question-btn .faq-chevron {
    font-size: 0.75rem;
  }
  
  .faq-answer {
    font-size: 0.75rem;
  }
  
  .faq-question-btn {
    padding: 0.85rem 1rem;
  }
  
  .faq-item.open .faq-answer {
    padding: 0.85rem 1rem;
  }
  
  /* Sidebar topic badges */
  .sidebar-topic-badge {
    font-size: 0.68rem;
  }
  
  /* Available In Series - series name font size */
  .sidebar-topics ul li {
    font-size: 0.8rem !important;
  }
  
  /* Class cards in series */
  .class-card-h-title {
    font-size: 0.85rem;
  }
  
  .class-card-h-desc {
    font-size: 0.75rem;
  }
  
  .class-card-h-meta {
    font-size: 0.75rem;
  }
  
  /* Class card pricing - smaller font sizes */
  .class-price-label {
    font-size: 0.6rem;
  }
  
  .class-price-value {
    font-size: 0.75rem;
  }
  
  .class-price-your-tag {
    font-size: 0.55rem;
  }
  
  /* Form controls (textboxes, dropdowns) */
  .edu-detail-page input[type="text"],
  .edu-detail-page input[type="email"],
  .edu-detail-page input[type="search"],
  .edu-detail-page textarea,
  .edu-detail-page select,
  .edu-detail-page .form-control {
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
  }

  /* Tab button font size adjustment for smaller screens */
  .detail-tabs-nav .detail-tab-btn.active .tab-text {
    font-size: 0.95rem;
    margin-left: 0.3rem;
  }
  
  .detail-tabs-nav .detail-tab-btn i {
    font-size: 1.2rem;
  }
  
  .detail-tabs-nav .detail-tab-btn.active i {
    font-size: 1.2rem;
    margin-right: 0.3rem;
  }
  
  /* Adjust padding on smaller screens */
  .detail-tabs-nav .detail-tab-btn:not(.active) {
    padding: 10px 8px;
    min-width: 40px;
  }
  
  .detail-tabs-nav .detail-tab-btn.active {
    padding: 10px 12px;
  }
  
  /* Add margin between tabs on smaller screens */
  .detail-tabs-nav .nav-item {
    margin-right: 0.4rem;
  }

  .speakers-grid {
    grid-template-columns: 1fr;
  }

  .class-card-h-inner {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .class-card-thumb-wrap {
    width: 100%;
    order: 0;
  }

  .class-card-h-info {
    order: 1;
    width: 100%;
  }
  
  /* Mobile: Hide desktop versions */
  .class-card-h-meta-desktop {
    display: none;
  }
  
  .class-card-h-pricing-desktop {
    display: none;
  }
  
  /* Mobile: Show mobile versions (meta and pricing side by side) */
  .class-card-h-meta-pricing-mobile {
    order: 2;
    width: 100%;
    display: flex;
    flex-direction: row;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 0;
  }
  
  .class-card-h-meta-mobile {
    flex: 0 0 calc(50% - 0.5rem);
    margin-top: 0;
    margin-right: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .class-card-h-pricing-mobile {
    flex: 0 0 calc(50% - 0.5rem);
    text-align: left;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .class-card-h-pricing-mobile .class-price-row {
    align-items: flex-start;
  }

  .class-card-h-actions {
    order: 3;
    flex-direction: row;
    width: 100%;
    min-width: auto;
    margin-top: 0.5rem;
    gap: 0.5rem;
  }
  
  .btn-class-expand,
  .btn-class-purchase {
    flex: 1;
    width: auto;
    min-width: 0;
  }

  .session-card-inner {
    flex-direction: column;
  }

  .session-thumb {
    width: 100%;
  }

  .sponsorship-logos-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-banner {
    min-height: 160px;
  }

  .hero-title {
    font-size: 1.2rem;
  }
  
  .hero-description {
    font-size: 0.8rem;
  }

  .hero-content-wrapper {
    padding-bottom: 1rem;
  }
  
  /* Minimal padding for back nav and content containers on very small screens */
  .detail-back-nav.container {
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
  }
  
  .detail-tabs-content .container {
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
  }
  
  /* Responsive font sizes - very small screens */
  .overview-description {
    font-size: 0.75rem;
  }
  
  .sidebar-info-text {
    font-size: 0.75rem;
  }
  
  .sidebar-info-text .sub-text {
    font-size: 0.7rem;
  }
  
  .pricing-label {
    font-size: 0.75rem;
  }
  
  .pricing-value {
    font-size: 0.8rem;
  }
  
  .btn-purchase {
    font-size: 0.75rem;
    padding: 0.3rem 0.9rem;
  }
  
  /* What You'll Learn section */
  .what-you-learn h3 {
    font-size: 0.9rem;
  }
  
  .learning-list li {
    font-size: 0.75rem;
  }
  
  /* Sidebar sections */
  .sidebar-speakers h3,
  .sidebar-topics h3 {
    font-size: 0.85rem;
  }
  
  .sidebar-speaker-info .spk-name {
    font-size: 0.75rem;
  }
  
  .sidebar-speaker-info .spk-sub {
    font-size: 0.65rem;
  }
  
  /* Tab intro text */
  .speakers-tab-intro,
  .sessions-tab-intro,
  .faqs-tab-intro {
    font-size: 0.75rem;
  }
  
  /* FAQs - smallest font sizes */
  .faq-question-btn .question-text {
    font-size: 0.75rem;
  }
  
  .faq-question-btn .faq-chevron {
    font-size: 0.7rem;
  }
  
  .faq-answer {
    font-size: 0.7rem;
  }
  
  .faq-question-btn {
    padding: 0.75rem 0.9rem;
  }
  
  .faq-item.open .faq-answer {
    padding: 0.75rem 0.9rem;
  }
  
  /* Sidebar topic badges */
  .sidebar-topic-badge {
    font-size: 0.65rem;
  }
  
  /* Available In Series - series name font size */
  .sidebar-topics ul li {
    font-size: 0.75rem !important;
  }
  
  /* Class cards in series */
  .class-card-h-title {
    font-size: 0.8rem;
  }
  
  .class-card-h-desc {
    font-size: 0.7rem;
  }
  
  .class-card-h-meta {
    font-size: 0.7rem;
  }
  
  /* Class card pricing - smallest font sizes */
  .class-price-label {
    font-size: 0.55rem;
  }
  
  .class-price-value {
    font-size: 0.7rem;
  }
  
  .class-price-your-tag {
    font-size: 0.5rem;
  }
  
  /* Form controls (textboxes, dropdowns) */
  .edu-detail-page input[type="text"],
  .edu-detail-page input[type="email"],
  .edu-detail-page input[type="search"],
  .edu-detail-page textarea,
  .edu-detail-page select,
  .edu-detail-page .form-control {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }
  
  /* Testimonials - smallest font sizes */
  .testimonial-card {
    padding: 0.9rem;
  }
  
  .testimonial-name {
    font-size: 0.8rem;
  }
  
  .testimonial-meta {
    font-size: 0.65rem;
  }
  
  .testimonial-text {
    font-size: 0.75rem;
  }
  
  /* Media tab - smallest font sizes */
  .media-section-title {
    font-size: 0.95rem;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
  }
  
  .media-section-icon {
    font-size: 0.85rem;
  }
  
  .media-item-title {
    font-size: 0.7rem;
  }
  
  .media-item-link {
    font-size: 0.7rem;
  }
  
  .media-item-link i {
    font-size: 0.8rem;
  }
  
  .media-group-container {
    padding: 0.7rem 0.8rem;
  }
  
  .media-item-card {
    padding: 0.7rem 0.8rem;
  }
  
  /* Sponsorship tab - smallest font sizes and logo height */
  .sponsorship-tab {
    gap: 1.5rem;
  }
  
  .sponsorship-group-header {
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
  }
  
  .sponsorship-group-desc {
    font-size: 0.75rem;
    margin-bottom: 0.9rem;
  }
  
  .sponsorship-logo-name {
    font-size: 0.75rem;
  }
  
  .sponsorship-logo-img {
    max-height: 50px;
  }
  
  .sponsorship-logo-card {
    min-height: 70px;
    padding: 0.8rem;
  }
  
  /* Tabs for very small phones - slightly smaller but still readable */
  .detail-tabs-nav .detail-tab-btn.active .tab-text {
    font-size: 0.9rem;
    margin-left: 0.3rem;
  }
  
  .detail-tabs-nav .detail-tab-btn i {
    font-size: 1.15rem;
  }
  
  .detail-tabs-nav .detail-tab-btn.active i {
    font-size: 1.15rem;
    margin-right: 0.3rem;
  }
  
  /* Padding for very small screens */
  .detail-tabs-nav .detail-tab-btn:not(.active) {
    padding: 10px 6px;
    min-width: 38px;
  }
  
  .detail-tabs-nav .detail-tab-btn.active {
    padding: 10px 10px;
  }
  
  /* Ensure tabs container uses full width */
  .detail-tabs-nav .container {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  
  /* Add margin between tabs on very small screens */
  .detail-tabs-nav .nav-item {
    margin-right: 0.3rem;
  }
  
  .detail-tabs-nav .nav-item:last-child {
    margin-right: 0;
  }
}