.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: var(--border-width) solid var(--color-text);
  color: var(--color-text);
  background: transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-label);
  line-height: var(--leading-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--duration-hover) var(--ease-expo-out),
              border-color var(--duration-hover) var(--ease-expo-out),
              background var(--duration-hover) var(--ease-expo-out);
}

.ghost-btn:hover {
  color: var(--color-bronze);
  border-color: var(--color-champagne);
}

.ghost-btn--accent {
  border-color: var(--color-champagne);
  color: var(--color-bronze);
}

.ghost-btn--accent:hover {
  background: var(--color-champagne);
  color: var(--color-ivory);
}

.ghost-btn--light {
  border-color: rgba(247, 243, 236, 0.4);
  color: var(--color-ivory);
}

.ghost-btn--light:hover {
  border-color: var(--color-champagne);
  color: var(--color-champagne);
}

.ticker {
  overflow: hidden;
  white-space: nowrap;
  border-top: var(--border-width) solid var(--color-border);
  border-bottom: var(--border-width) solid var(--color-border);
  padding: var(--space-3) 0;
  background: var(--color-bg-elevated);
}

.ticker__track {
  display: inline-flex;
  align-items: center;
  animation: ticker-scroll 40s linear infinite;
  will-change: transform;
}

.ticker:hover .ticker__track {
  animation-play-state: paused;
}

.ticker__item {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--color-text);
  padding: 0 var(--space-4);
  flex-shrink: 0;
}

.ticker__sep {
  color: var(--color-champagne);
  font-weight: 400;
  user-select: none;
}

@keyframes ticker-scroll {
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .ticker__track {
    animation: none;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
    gap: var(--space-2) 0;
  }
}

.media-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-skeleton);
}

.media-card__frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.media-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--duration-reveal) var(--ease-expo-out);
}

.media-card__img.is-loaded {
  opacity: 1;
}

.media-card__lqip {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(12px);
  transform: scale(1.1);
  opacity: 1;
  transition: opacity var(--duration-reveal) var(--ease-expo-out);
  z-index: 0;
}

.media-card__img.is-loaded ~ .media-card__lqip {
  opacity: 0;
}

.media-card__caption {
  font-family: var(--font-display);
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: 1.4;
}

.gallery-grid {
  display: grid;
  gap: var(--space-2);
}

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

.gallery-item {
  position: relative;
  break-inside: avoid;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-skeleton);
}

.gallery-item__frame {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.gallery-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--duration-reveal) var(--ease-expo-out);
  z-index: 1;
}

.gallery-item__img.is-loaded {
  opacity: 1;
}

.gallery-item__lqip {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(10px);
  transform: scale(1.05);
  transition: opacity var(--duration-reveal) var(--ease-expo-out);
  z-index: 0;
}

.gallery-item__img.is-loaded ~ .gallery-item__lqip {
  opacity: 0;
}

.gallery-item--video {
  grid-column: 1 / -1;
}

.video-player {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-skeleton);
  cursor: pointer;
}

.video-player__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.video-player__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--duration-transition) var(--ease-expo-out);
}

.video-player__video.is-playing {
  opacity: 1;
}

.video-player__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  background: rgba(43, 38, 34, 0.2);
  transition: opacity var(--duration-transition) var(--ease-expo-out);
}

.video-player.is-active .video-player__overlay {
  opacity: 0;
  pointer-events: none;
}

.video-player__play {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: rgba(247, 243, 236, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: transform var(--duration-hover) var(--ease-expo-out),
              background var(--duration-hover) var(--ease-expo-out);
}

.video-player__play:hover {
  transform: scale(1.08);
  background: var(--color-ivory);
}

.video-player__play-icon {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent var(--color-espresso);
  margin-left: 3px;
}

.video-player__badge {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  z-index: 3;
  background: rgba(43, 38, 34, 0.7);
  color: var(--color-ivory);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  pointer-events: none;
}

.video-player__unmute {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  z-index: 3;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(43, 38, 34, 0.7);
  color: var(--color-ivory);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-hover) var(--ease-expo-out);
  cursor: pointer;
}

.video-player.is-active .video-player__unmute {
  opacity: 1;
}

.video-player__unmute:hover {
  background: rgba(43, 38, 34, 0.9);
}

.video-player__shimmer {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--color-skeleton);
  overflow: hidden;
}

.video-player__shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(194, 168, 120, 0.12), transparent);
  animation: shimmer 1.5s infinite;
}

.video-player__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--color-champagne);
  z-index: 4;
  width: 0;
  transition: width 100ms linear;
}

.video-player__caption {
  font-family: var(--font-display);
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: 1.4;
}

.lesson-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: var(--border-width) solid var(--color-border);
  cursor: pointer;
  transition: padding-left var(--duration-hover) var(--ease-expo-out);
}

.lesson-card:hover {
  padding-left: var(--space-2);
}

.lesson-card__poster {
  position: relative;
  width: 100px;
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-skeleton);
}

.lesson-card__poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lesson-card__play-mini {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(43, 38, 34, 0.3);
}

.lesson-card__info {
  flex: 1;
  min-width: 0;
}

.lesson-card__title {
  font-family: var(--font-display);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-1);
}

.lesson-card__meta {
  font-size: var(--text-xs);
  color: var(--color-taupe);
  letter-spacing: 0.02em;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgba(43, 38, 34, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-transition) var(--ease-expo-out);
  overflow: hidden;
  touch-action: pinch-zoom;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox__caption {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: var(--text-body);
  color: var(--color-ivory);
  text-align: center;
  max-width: 600px;
  padding: 0 var(--space-4);
  opacity: 0.7;
}

.lightbox__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(247, 243, 236, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ivory);
  cursor: pointer;
  border: 1px solid rgba(247, 243, 236, 0.2);
  transition: background var(--duration-hover) var(--ease-expo-out);
  z-index: 1;
}

.lightbox__close:hover {
  background: rgba(247, 243, 236, 0.2);
}

.lightbox__close-icon {
  position: relative;
  width: 16px;
  height: 16px;
}

.lightbox__close-icon::before,
.lightbox__close-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-ivory);
}

.lightbox__close-icon::before { transform: rotate(45deg); }
.lightbox__close-icon::after { transform: rotate(-45deg); }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(247, 243, 236, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ivory);
  cursor: pointer;
  border: 1px solid rgba(247, 243, 236, 0.2);
  transition: background var(--duration-hover) var(--ease-expo-out);
  z-index: 1;
}

.lightbox__nav:hover {
  background: rgba(247, 243, 236, 0.2);
}

.lightbox__nav--prev { left: var(--space-4); }
.lightbox__nav--next { right: var(--space-4); }

[data-shell="mobile"] .lightbox__nav { display: none; }

.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ivory);
  opacity: 0.6;
}

.scroll-cue__text {
  font-size: var(--text-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.scroll-cue__line {
  width: 1px;
  height: 32px;
  background: var(--color-ivory);
  animation: scroll-cue-pulse 2s var(--ease-expo-out) infinite;
}

@keyframes scroll-cue-pulse {
  0%, 100% { transform: scaleY(0.3); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue__line { animation: none; }
}

.section-header {
  margin-bottom: var(--space-5);
}

.section-header__label {
  font-size: var(--text-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-2);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 500;
  line-height: var(--leading-heading);
}

.featured-strip {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--space-2);
}

.featured-strip::-webkit-scrollbar { display: none; }

.featured-strip__item {
  flex-shrink: 0;
  scroll-snap-align: start;
}

.toc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: var(--border-width) solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: padding-left var(--duration-hover) var(--ease-expo-out);
}

.toc-link:hover {
  padding-left: var(--space-2);
}

.toc-link__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 500;
}

.toc-link__count {
  font-size: var(--text-label);
  color: var(--color-taupe);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.data-saver-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-taupe);
  transition: all var(--duration-hover) var(--ease-expo-out);
}

.data-saver-toggle:hover {
  border-color: var(--color-champagne);
  color: var(--color-bronze);
}

.data-saver-toggle[aria-pressed="true"] {
  background: var(--color-champagne);
  border-color: var(--color-champagne);
  color: var(--color-espresso);
}

.data-saver-toggle__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-taupe);
  transition: background var(--duration-hover) var(--ease-expo-out);
}

.data-saver-toggle[aria-pressed="true"] .data-saver-toggle__dot {
  background: var(--color-espresso);
}

.data-saver-toggle--desktop {
  width: 100%;
  justify-content: flex-start;
}

.mobile-topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lesson-viewer {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in var(--duration-transition) var(--ease-expo-out);
}

.lesson-viewer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(43, 38, 34, 0.96);
}

.lesson-viewer__panel {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 720px;
  padding: var(--space-5);
}

.lesson-viewer__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(247, 243, 236, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(247, 243, 236, 0.2);
  z-index: 2;
}

.lesson-viewer__close:hover {
  background: rgba(247, 243, 236, 0.2);
}

.lesson-viewer__info {
  margin-top: var(--space-4);
  color: var(--color-ivory);
}

.lesson-viewer__info h2 {
  font-size: var(--text-h3);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-viewer { animation: none; }
}