/* ===========================================================
   MENU BUTTON (3 dots)
   =========================================================== */

/* Wrap for the menu button (menu list itself is positioned elsewhere) */
.history-thumb__menu-wrap {
  position: absolute;
  right: 10px;
  bottom: 6px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  z-index: 4;
  padding: 8px;
  margin: -8px;
  cursor: pointer;
}

/* Small 3-dots button */
.history-thumb__menu-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  position: relative;
  pointer-events: auto;
}

.history-thumb__menu-btn svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}


/* ═══════════════════════════════════════════════════════════════
   7. CONTEXT MENU
   Floating menu with dark background and submenus
   ═══════════════════════════════════════════════════════════════ */

/* Backdrop overlay when menu is open */
body.history-menu-open::before {
  content: '';
  position: fixed;
  inset: 0;
  background: transparent;
  z-index: 1199;
}

/* Hide date strip, menu button, overlay, processing, and name on ALL thumbnails when menu is open */
body.history-menu-open .history-thumb__status-bar,
body.history-menu-open .history-thumb__menu-btn,
body.history-menu-open .history-thumb__stage,
body.history-menu-open .history-thumb__rig,
body.history-menu-open .history-thumb__overlay,
body.history-menu-open .history-thumb__name {
  visibility: hidden;
  pointer-events: none;
}

   .card-menu {
    position: fixed;
    top: -9999px;
    left: -9999px;
    min-width: 180px;
    max-width: 220px;
    padding: 8px;
    border-radius: 12px;
    background: rgba(8, 10, 16, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--history-text);
    box-shadow:
      0 16px 48px rgba(0, 0, 0, 0.6),
      0 0 1px rgba(255, 255, 255, 0.1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 1200;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  
  .card-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  
  .card-menu__list {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  
  .card-menu__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    border-radius: 8px;
    padding: 9px 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.12s ease, color 0.12s ease;
  }
  
  .card-menu__item:hover:not([disabled]) {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }
  
  .card-menu__item-inner {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .card-menu__icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
  }
  
  .card-menu__icon svg {
    width: 14px;
    height: 14px;
  }
  
  .card-menu__arrow {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    transition: transform 0.15s ease;
  }
  
  .card-menu__item:hover .card-menu__arrow {
    transform: translateX(2px);
  }
  
  .card-menu__badge {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .card-menu__divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: 4px 0;
  }
  
  .card-menu__item.is-danger {
    color: #ff6b6b;
  }
  
  .card-menu__item.is-danger:hover:not([disabled]) {
    background: rgba(255, 107, 107, 0.12);
    color: #ff8888;
  }
  
  .card-menu__item[disabled] {
    opacity: 0.35;
    cursor: not-allowed;
  }
  
  .card-menu__license {
    display: flex;
    justify-content: space-between;
    padding: 6px 10px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4);
  }
  
  .card-menu__license strong {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
  }
  
  /* Submenu ------------------------------------------------------ */
  
  .card-submenu {
    position: fixed;
    top: -9999px;
    left: -9999px;
    min-width: 160px;
    border-radius: 10px;
    background: rgba(8, 10, 16, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px;
    opacity: 0;
    pointer-events: none;
    transform: translateX(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 1201;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  
  .card-submenu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }
  
  .card-submenu__item {
    width: 100%;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 10px;
    border-radius: 6px;
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.12s ease, color 0.12s ease;
  }
  
  .card-submenu__item:hover:not([disabled]) {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }
  
  .card-submenu__item[disabled] {
    opacity: 0.35;
    cursor: not-allowed;
  }
  
  .card-submenu__divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: 4px 0;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
   HISTORY THUMBNAILS — Clean Meshy-Inspired Gallery
   Minimal design with overlay controls
   ═══════════════════════════════════════════════════════════════════════════ */

.history .history-grid[data-title-variant="thumbs-only"] {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* Flatten old row structure into grid */
.timrx-3dprint .history-row,
.timrx-3dprint .history-row__thumbs {
  display: contents;
}

.timrx-3dprint .history-thumb.is-active {
  border-color: rgba(255, 255, 255, 0.6);
}

/* Frame wrapper (full card area) */
.history-thumb__frame {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

/* MAIN MEDIA AREA */
.history-thumb__image-wrapper,
.history-thumb__media {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0c10, #0f1318);
  z-index: 1;
}

/* Stack view for multiple variants */
.history-thumb__stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.3);
}

.history-thumb__stack .history-thumb__image {
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* TOP BAR — date + stage */
.history-thumb__top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 5;
}

.history-thumb__date-badge {
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.history-thumb__stage-pill {
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.history-thumb__stage-pill.stage-preview  { background: rgba(14, 165, 233, 0.85); color: #fff; }
.history-thumb__stage-pill.stage-refined  { background: rgba(34, 197, 94, 0.85);  color: #fff; }
.history-thumb__stage-pill.stage-remeshed { background: rgba(168, 85, 247, 0.85); color: #fff; }
.history-thumb__stage-pill.stage-textured { background: rgba(249, 115, 22, 0.85); color: #fff; }

/* BOTTOM CONTROLS BAR */
.history-thumb__controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  z-index: 5;
}

/* Preview button */
.history-thumb__preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* OPTIONAL TITLE / INFO OVERLAY */
.history-thumb__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 12px 12px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  z-index: 3;
  pointer-events: none;
}

.history-thumb__info-title {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Name label at the bottom */
.history-thumb__name {
  position: absolute;
  bottom: 8px;
  left: 8px;
  right: 8px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 15;
}



/* Old labels no longer used in this layout */
.history-thumb__label,
.history-thumb__badge,
.history-thumb__date-chip {
  display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════════════
   LINEAGE ROW LAYOUT – TimrX Edition (used inside History panel)
   Each row = left rail (meta) + horizontal strip of compact model cards
   ═══════════════════════════════════════════════════════════════════════════ */

/* Main lineage row wrapper */
.lineage-row {
  display: flex;
  gap: 20px;
  padding: 18px 20px;
  background: #14161b;
  position: relative;
  transition: background 0.3s ease;
}

.lineage-row:hover {
  background: #1a1c22;
}

/* Left rail: avatar + metadata */
.lineage-rail {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: 200px;
  flex-shrink: 0;
}

.rail-avatar {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  overflow: hidden;
  background: #0e0f12;
  border: 2px solid rgba(67, 224, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.rail-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Small TimrX badge on avatar */
.timrx-mono {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #43e0ff, #3a7bff);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  font-weight: 900;
  color: #0e0f12;
  letter-spacing: -0.5px;
  border: 1.5px solid #14161b;
  box-shadow: 0 2px 6px rgba(67, 224, 255, 0.4);
}

/* Meta text (prompt title, date, count) */
.rail-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rail-title {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rail-date {
  font-size: 11px;
  font-weight: 600;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.rail-count {
  font-size: 10px;
  font-weight: 700;
  color: #43e0ff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* Horizontal models strip (scrollable) */
.lineage-cards {
  display: flex;
  gap: 0;
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px;
  margin: -2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(67, 224, 255, 0.3) rgba(0, 0, 0, 0.2);
}

.lineage-cards::-webkit-scrollbar {
  height: 6px;
}

.lineage-cards::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

.lineage-cards::-webkit-scrollbar-thumb {
  background: rgba(67, 224, 255, 0.3);
  border-radius: 3px;
}

.lineage-cards::-webkit-scrollbar-thumb:hover {
  background: rgba(67, 224, 255, 0.5);
}

/* Individual model card (compact) */
.model-card {
  position: relative;
  width: 180px;
  flex-shrink: 0;
  background: #0e0f12;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.model-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(67, 224, 255, 0.3);
}

/* Vertical divider between cards (injected via JS if needed) */
.card-divider {
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(255, 255, 255, 0.14),
    transparent
  );
}

/* Card header: stage badge & potential icons */
.card-header {
  position: relative;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.stage-badge {
  padding: 4px 8px;
  border-radius: 5px;
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Stage color variants */
.stage-badge.badge-preview {
  background: rgba(58, 123, 255, 0.95);
  color: #ffffff;
  border: 1px solid rgba(58, 123, 255, 0.4);
}

.stage-badge.badge-refined {
  background: rgba(47, 255, 183, 0.95);
  color: #0e0f12;
  border: 1px solid rgba(47, 255, 183, 0.4);
}

.stage-badge.badge-remeshed {
  background: rgba(139, 92, 246, 0.95);
  color: #ffffff;
  border: 1px solid rgba(139, 92, 246, 0.4);
}

/* Thumbnail region */
.card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: #000;
  overflow: hidden;
  cursor: pointer;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.model-card:hover .card-thumb img {
  transform: scale(1.05);
}

/* Progress overlay (while generating) */
.progress-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

/* Animated stripes for progress overlay */
.progress-stripes {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(250, 204, 21, 0.1) 10px,
    rgba(250, 204, 21, 0.1) 20px
  );
  animation: lineage-stripes 1.5s linear infinite;
}

@keyframes lineage-stripes {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(28.28px);
  }
}

/* Hover actions on card (Preview / Open / etc.) */
.card-hover-actions {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(0, 0, 0, 0.9) 90%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.model-card:hover .card-hover-actions {
  opacity: 1;
  pointer-events: auto;
}

.hover-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.8);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hover-btn:hover {
  background: rgba(67, 224, 255, 0.3);
  border-color: #43e0ff;
  color: #43e0ff;
  transform: translateY(-2px);
}

.hover-btn.primary {
  background: linear-gradient(135deg, #43e0ff, #3a7bff);
  border: none;
  box-shadow: 0 4px 12px rgba(67, 224, 255, 0.4);
}

.hover-btn.primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 16px rgba(67, 224, 255, 0.6);
  color: #ffffff;
}

/* Card footer: name, date, progress */
.card-footer {
  padding: 12px;
  background: linear-gradient(
    180deg,
    rgba(20, 20, 20, 0.95),
    rgba(15, 15, 15, 0.95)
  );
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-name {
  font-size: 12px;
  font-weight: 700;
  color: #e8e8e8;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-date {
  font-size: 10px;
  font-weight: 600;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-progress-bar {
  margin-top: 8px;
  height: 3px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Status variations */
.model-card.status-generating {
  border: 2px solid rgba(250, 204, 21, 0.4);
  animation: lineage-glow-amber 2s ease-in-out infinite;
}

@keyframes lineage-glow-amber {
  0%,
  100% {
    box-shadow: 0 4px 16px rgba(250, 204, 21, 0.3);
  }
  50% {
    box-shadow: 0 4px 24px rgba(250, 204, 21, 0.6);
  }
}

.model-card.status-failed {
  border: 2px solid rgba(239, 68, 68, 0.4);
  opacity: 0.7;
}

.model-card.status-failed .card-thumb::after {
  content: 'FAILED';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  color: #ef4444;
  letter-spacing: 0.1em;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .lineage-row {
    flex-direction: column;
    gap: 12px;
  }

  .lineage-rail {
    min-width: 100%;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .rail-meta,
  .rail-title {
    max-width: none;
  }

  .lineage-cards {
    padding-bottom: 8px;
  }

  .model-card {
    width: 160px;
  }
}


  
  
  /* ═══════════════════════════════════════════════════════════════
     SKELETON LOADING — Smooth shimmering placeholders
     ═══════════════════════════════════════════════════════════════ */
  
  .timrx-3dprint .history-skeleton__thumb,
  .timrx-3dprint .history-skeleton__line,
  .timrx-3dprint .history-skeleton__chip {
    display: inline-block;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
  }
  
  .timrx-3dprint .history-skeleton__thumb::after,
  .timrx-3dprint .history-skeleton__line::after,
  .timrx-3dprint .history-skeleton__chip::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    animation: shimmer 1.6s infinite;
  }
  
  .timrx-3dprint .history-skeleton__thumb {
    width: var(--history-thumb-size);
    height: var(--history-thumb-size);
    border-radius: 10px;
  }
  
  .timrx-3dprint .history-skeleton__line {
    width: 120px;
    height: 10px;
    margin-bottom: 4px;
  }
  
  .timrx-3dprint .history-skeleton__chip {
    width: 60px;
    height: 8px;
  }
  
  
  /* ═══════════════════════════════════════════════════════════════
     EMPTY STATE — Shown when no assets exist
     ═══════════════════════════════════════════════════════════════ */
  
  .history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
  }
  
  .history-empty__icon {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.3;
  }
  
  .history-empty__icon svg {
    width: 100%;
    height: 100%;
  }
  
  .history-empty p {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
  }
  
  .history-empty span {
    font-size: 12px;
    opacity: 0.7;
  }














































/* ================================================================
   TUTORIALS & STORIES – EXPANDED VIEWS (CONSOLIDATED)
   ================================================================ */

/* ===== Animations ===== */
@keyframes tutorialsFadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Global Layout ===== */
body.tutorials-view,
body.stories-view {
  min-height: 100vh;
  overflow: auto;
  background: var(--bg);
  position: relative;
}

body.tutorials-view::before,
body.stories-view::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(14,165,233,.08), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139,92,246,.08), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

body.tutorials-view > *,
body.stories-view > *,
body.converter-view > *,
body.about-view > * {
  position: relative;
  z-index: 1;
}

body.converter-view::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(14,165,233,.1), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(139,92,246,.08), transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(236,72,153,.06), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

body.about-view::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(139,92,246,.1), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(14,165,233,.08), transparent 45%),
    radial-gradient(circle at 50% 70%, rgba(236,72,153,.08), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

body.tutorials-view .timrx-3dprint.workspace,
body.stories-view .timrx-3dprint.workspace,
body.converter-view .timrx-3dprint.workspace,
body.about-view .timrx-3dprint.workspace {
  display: none;
}

/* Scroll progress bar */
body.tutorials-view::after,
body.stories-view::after,
body.converter-view::after,
body.about-view::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #0ea5e9 0%, #8b5cf6 50%, #ec4899 100%);
  box-shadow: 0 1px 8px rgba(14, 165, 233, 0.5);
  z-index: 10001;
  transition: width 0.1s ease-out;
}

/* ===== Tutorials Container ===== */
.tutorials-expanded-view {
  display: none;
  width: 100%;
  max-width: 1400px;
  margin: calc(var(--navH) + 24px) auto calc(var(--ws-gap) * 2.2);
  padding: 0 clamp(24px, 5vw, 60px);
  scroll-behavior: smooth;
}

body.tutorials-view .tutorials-expanded-view {
  display: block;
  animation: tutorialsFadeInUp .6s ease-out;
}

/* Shell */
.tutorials-expanded-shell {
  width: min(100%, 1200px);
  margin-inline: auto;
  background: linear-gradient(145deg, rgba(8,8,8,.98), rgba(14,14,14,.92));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 28px;
  padding: clamp(24px, 4vw, 60px);
  box-shadow:
    0 40px 90px rgba(0,0,0,.45),
    0 0 0 1px rgba(14,165,233,.05),
    inset 0 1px 0 rgba(255,255,255,.05);
  position: relative;
  overflow: hidden;
}

.tutorials-expanded-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(14,165,233,.12), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(139,92,246,.12), transparent 45%);
  opacity: .8;
  pointer-events: none;
}

.tutorials-expanded-shell > * {
  position: relative;
  z-index: 1;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Hero Section ===== */
.tutorials-hero {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 3vw, 60px);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  animation: tutorialsFadeInUp .8s ease-out .1s forwards;
  opacity: 0;
}

.tutorials-hero-text {
  flex: 1;
  min-width: 280px;
  max-width: 720px;
}

.tutorials-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(14,165,233,.15);
  border: 1px solid rgba(14,165,233,.35);
  font-size: 12px;
  font-weight: 700;
  color: #bae6fd;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.tutorials-hero h1,
.tutorials-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.08;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tutorials-hero p {
  margin: 0;
  font-size: clamp(16px, 1.2rem, 19px);
  line-height: 1.7;
  color: rgba(255,255,255,.75);
  max-width: 720px;
}

/* Hero Stats */
.tutorials-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  padding: 0;
  list-style: none;
}

.tutorials-hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 70px;
}

.tutorials-hero-stats li span {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tutorials-hero-stats li small {
  font-size: 11px;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
  max-width: 100px;
  line-height: 1.3;
}

/* Hero Actions */
.tutorials-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* Buttons */
.tutorials-primary-btn,
.tutorials-secondary-btn {
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}

.tutorials-primary-btn {
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.tutorials-secondary-btn {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: #e2e8f0;
}

.tutorials-primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.4);
}

.tutorials-secondary-btn:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
}

/* Exit Button */
.tutorials-exit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(239, 68, 68, .35);
  transition: transform .25s ease, box-shadow .25s ease;
  flex-shrink: 0;
}

.tutorials-exit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239, 68, 68, .45);
}

/* ===== Sections ===== */
.tutorials-section {
  max-width: 1200px;
  margin: clamp(56px, 7vw, 96px) auto 0;
  animation: tutorialsFadeInUp .8s ease-out forwards;
  opacity: 0;
}

.tutorials-section:nth-of-type(1) { animation-delay: .25s; }
.tutorials-section:nth-of-type(2) { animation-delay: .35s; }
.tutorials-section:nth-of-type(3) { animation-delay: .45s; }
.tutorials-section:nth-of-type(4) { animation-delay: .55s; }
.tutorials-section:nth-of-type(5) { animation-delay: .65s; }
.tutorials-section:nth-of-type(6) { animation-delay: .75s; }
.tutorials-section:nth-of-type(7) { animation-delay: .85s; }

.tutorials-section-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
}

.tutorials-section-content {
  flex: 1;
  min-width: 280px;
}

.tutorials-section h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  color: #fff;
}

.tutorials-section > p,
.tutorials-section-content > p {
  margin: 0;
  color: rgba(255,255,255,.72);
  line-height: 1.75;
  max-width: 800px;
  font-size: clamp(15px, 1.1rem, 17px);
}

/* Section Highlight Badge */
.tutorials-highlight {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(14, 165, 233, 0.3);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #bae6fd;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== Cards & Grids ===== */
.tutorials-guides-grid,
.tutorials-resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.tutorials-card {
  padding: 28px;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.tutorials-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.tutorials-card__title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.tutorials-card__body {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
}

.tutorials-card__list {
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
}

.tutorials-card__list li {
  position: relative;
  padding-left: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
}

.tutorials-card__list li::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
}

.tutorials-card__list li:last-child {
  margin-bottom: 0;
}

/* ===== Steps Grid ===== */
.tutorials-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.tutorials-step {
  position: relative;
  padding: 28px 24px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.1);
  background: linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  text-align: center;
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}

.tutorials-step:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.4);
  background: rgba(255, 255, 255, 0.04);
}

.tutorials-step > span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

.tutorials-step h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.tutorials-step p {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
}

/* ===== Video Grid ===== */
.tutorials-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 28px;
}

.tutorials-video-card {
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.tutorials-video-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.tutorials-video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: rgba(0, 0, 0, 0.4);
}

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

.tutorials-video-meta {
  padding: 20px 24px;
}

.tutorials-video-meta h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.tutorials-video-meta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
}

/* ===== Tip List ===== */
.tutorials-tip-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.tutorials-tip-list li {
  position: relative;
  padding: 14px 18px 14px 24px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.tutorials-tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: linear-gradient(180deg, #0ea5e9 0%, #8b5cf6 100%);
  opacity: 0.4;
  transition: opacity 0.25s ease;
}

.tutorials-tip-list li:hover {
  transform: translateX(4px);
  border-color: rgba(14, 165, 233, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.tutorials-tip-list li:hover::before {
  opacity: 1;
}

/* ===== Best Practices Grid ===== */
.tutorials-best-practices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 28px;
}

.tutorials-practice-card {
  position: relative;
  overflow: hidden;
  padding: 28px 28px 28px 90px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  text-align: left;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.tutorials-practice-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #0ea5e9 0%, #8b5cf6 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.tutorials-practice-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.4);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.tutorials-practice-card:hover::before {
  opacity: 1;
}

.practice-icon {
  position: absolute;
  left: 24px;
  top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: 32px;
  line-height: 1;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(14, 165, 233, 0.25);
  filter: drop-shadow(0 4px 12px rgba(14, 165, 233, 0.2));
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.35s ease, border-color 0.35s ease;
}

.tutorials-practice-card:hover .practice-icon {
  transform: scale(1.1) rotate(-8deg);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.25), rgba(139, 92, 246, 0.25));
  border-color: rgba(14, 165, 233, 0.5);
}

.tutorials-practice-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.tutorials-practice-card > p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
}

.practice-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.practice-tips li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

.practice-tips li::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 6px;
  border-radius: 50%;
  background: #22d3ee;
}

/* ===== FAQ Grid ===== */
.tutorials-faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.tutorials-faq-card {
  padding: 24px 26px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid rgba(14, 165, 233, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.tutorials-faq-card:hover {
  transform: translateX(4px);
  border-left-color: #0ea5e9;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.tutorials-faq-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: #bae6fd;
  line-height: 1.4;
}

.tutorials-faq-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Tutorials Responsive ===== */
@media (max-width: 1024px) {
  .tutorials-expanded-view {
    max-width: 100%;
    padding: 0 clamp(20px, 4vw, 40px);
  }

  .tutorials-hero {
    flex-direction: column;
    align-items: stretch;
  }

  .tutorials-exit-btn {
    align-self: flex-start;
  }

  .tutorials-guides-grid,
  .tutorials-resource-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
  }

  .tutorials-best-practices-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }

  .tutorials-faq-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 18px;
  }

  .tutorials-video-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .tutorials-hero h1,
  .tutorials-title {
    font-size: clamp(28px, 8vw, 42px);
  }

  .tutorials-hero-stats {
    justify-content: center;
    gap: 24px;
  }

  .tutorials-guides-grid,
  .tutorials-resource-grid,
  .tutorials-steps-grid,
  .tutorials-best-practices-grid,
  .tutorials-faq-grid {
    grid-template-columns: 1fr;
  }

  .tutorials-section {
    margin-top: clamp(40px, 8vw, 60px);
  }

  .tutorials-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .tutorials-section-content {
    text-align: center;
  }

  .tutorials-highlight {
    margin-top: 8px;
  }

  .tutorials-exit-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .tutorials-expanded-shell {
    padding: 24px;
    border-radius: 20px;
  }

  .tutorials-hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .tutorials-video-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .tutorials-expanded-shell {
    padding: clamp(18px, 5vw, 28px);
    border-radius: 16px;
  }

  .tutorials-card {
    padding: 20px;
  }

  .tutorials-step {
    padding: 24px 20px 20px;
  }

  .tutorials-practice-card {
    padding: 80px 20px 20px 20px;
  }

  .practice-icon {
    left: 20px;
    top: 20px;
    width: 44px;
    height: 44px;
    font-size: 28px;
  }

  .tutorials-primary-btn,
  .tutorials-secondary-btn {
    width: 100%;
    justify-content: center;
  }

  .tutorials-hero-stats {
    gap: 20px;
  }

  .tutorials-hero-stats li span {
    font-size: 20px;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   USER STORIES EXPANDED VIEW
   ═══════════════════════════════════════════════════════════════════ */

/* Container */
.stories-expanded-view {
  display: none;
  width: 100%;
  max-width: 1320px;
  margin: calc(var(--navH) + 24px) auto calc(var(--ws-gap) * 2);
  padding: 0 clamp(20px, 5vw, 48px);
  scroll-behavior: smooth;
}

body.stories-view .stories-expanded-view {
  display: block;
  animation: tutorialsFadeInUp 0.5s ease-out;
}

/* Shell */
.stories-expanded-shell {
  width: min(100%, 1200px);
  margin-inline: auto;
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: clamp(24px, 4vw, 60px);
  background: linear-gradient(145deg, rgba(8, 8, 8, 0.98), rgba(14, 14, 14, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(34, 197, 94, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stories-expanded-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(34, 197, 94, 0.1), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(139, 92, 246, 0.1), transparent 45%);
  opacity: 0.8;
  pointer-events: none;
}

.stories-expanded-shell > * {
  position: relative;
  z-index: 1;
  margin-left: auto;
  margin-right: auto;
}

/* ────────────────────────────────────────────────────────────
   HERO
   ──────────────────────────────────────────────────────────── */

.stories-hero {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: clamp(24px, 3vw, 60px);
  margin-bottom: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  opacity: 0;
  animation: tutorialsFadeInUp 0.8s ease-out 0.1s forwards;
}

.stories-hero-text {
  flex: 1 1 520px;
}

/* Category pill */
.stories-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  margin-bottom: 20px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #bbf7d0;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.35);
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.2);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

/* Title + intro */
.stories-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stories-hero-text p {
  margin: 0;
  max-width: 720px;
  font-size: clamp(16px, 1.2rem, 19px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
}

/* Metrics cards */
.stories-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.stories-metrics li {
  min-width: 130px;
  padding: 16px 20px;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(34, 197, 94, 0.08), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(34, 197, 94, 0.2);
  transition: all 0.3s ease;
}

.stories-metrics li:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 8px 20px rgba(34, 197, 94, 0.2);
  background: linear-gradient(145deg, rgba(34, 197, 94, 0.12), rgba(139, 92, 246, 0.12));
}

.stories-metrics li span {
  display: block;
  margin-bottom: 4px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #22c55e 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stories-metrics li small {
  display: block;
  font-size: 11px;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
}

/* Exit button */
.stories-exit-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  box-shadow:
    0 4px 12px rgba(239, 68, 68, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.stories-exit-btn:hover {
  background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow:
    0 6px 16px rgba(239, 68, 68, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.stories-exit-btn:active {
  transform: translateY(0);
  box-shadow:
    0 2px 8px rgba(239, 68, 68, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* ────────────────────────────────────────────────────────────
   SECTIONS
   ──────────────────────────────────────────────────────────── */

.stories-section {
  max-width: 1200px;
  margin: clamp(56px, 7vw, 96px) auto 0;
  opacity: 0;
  animation: tutorialsFadeInUp 0.8s ease-out forwards;
}

.stories-section:nth-of-type(1) { animation-delay: 0.25s; }
.stories-section:nth-of-type(2) { animation-delay: 0.35s; }
.stories-section:nth-of-type(3) { animation-delay: 0.45s; }

.stories-section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.stories-section-content {
  flex: 1;
  min-width: 280px;
}

/* Section badge */
.stories-highlight {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #bbf7d0;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.22), rgba(139, 92, 246, 0.22));
  border: 1px solid rgba(34, 197, 94, 0.4);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(34, 197, 94, 0.25);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  white-space: nowrap;
  align-self: flex-start;
  height: fit-content;
  transition: all 0.3s ease;
}

.stories-highlight:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.35);
  border-color: rgba(34, 197, 94, 0.6);
}

/* Section heading + copy */
.stories-section h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #ffffff;
}

.stories-section-content > p {
  margin: 0;
  max-width: 920px;
  font-size: clamp(15px, 1.1rem, 17px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

/* ────────────────────────────────────────────────────────────
   STORY CARDS GRID
   ──────────────────────────────────────────────────────────── */

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.stories-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
  padding: 28px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.stories-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #22c55e 0%, #8b5cf6 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stories-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(34, 197, 94, 0.2);
}

.stories-card:hover::before {
  opacity: 1;
}

/* Card header (avatar + title) */
.stories-card header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.stories-card header img {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stories-card header h3 {
  margin: 0;
  font-size: 18px;
  color: #ffffff;
}

.stories-card header p {
  margin: 2px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.stories-card p {
  margin: 0;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
}

/* Tag pills */
.stories-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stories-tags li {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #bbf7d0;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(139, 92, 246, 0.12));
  border: 1px solid rgba(34, 197, 94, 0.25);
  transition: all 0.3s ease;
}

.stories-tags li:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.18), rgba(139, 92, 246, 0.18));
  border-color: rgba(34, 197, 94, 0.4);
}

/* ────────────────────────────────────────────────────────────
   QUOTE LIST
   ──────────────────────────────────────────────────────────── */

.stories-quote-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 24px 0 32px;
  padding: 0;
  list-style: none;
}

.stories-quote-list li {
  position: relative;
  padding: 20px 22px 20px 24px;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.75);
  font-style: italic;
  font-size: 15px;
  line-height: 1.65;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.stories-quote-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: linear-gradient(180deg, #22c55e 0%, #8b5cf6 100%);
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.stories-quote-list li:hover {
  transform: translateX(4px);
  border-color: rgba(34, 197, 94, 0.25);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.stories-quote-list li:hover::before {
  opacity: 1;
}

/* ────────────────────────────────────────────────────────────
   CTA
   ──────────────────────────────────────────────────────────── */

.stories-cta {
  display: flex;
  justify-content: flex-start;
}

.stories-community-btn {
  position: relative;
  overflow: hidden;
  border: none;
  border-radius: 999px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #22c55e, #8b5cf6);
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.35);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stories-community-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #10b981, #7c3aed);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.stories-community-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(34, 197, 94, 0.45);
}

.stories-community-btn:hover::before {
  opacity: 1;
}

.stories-community-btn:active {
  transform: translateY(-1px);
}

/* ────────────────────────────────────────────────────────────
   STORIES RESPONSIVE
   ──────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .stories-expanded-view {
    max-width: 100%;
    padding: 0 clamp(20px, 4vw, 40px);
  }

  .stories-hero {
    flex-direction: column;
    align-items: stretch;
  }

  .stories-exit-btn {
    align-self: flex-start;
  }

  .stories-quote-list {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
  }
}

@media (max-width: 768px) {
  .stories-title {
    font-size: clamp(28px, 8vw, 42px);
  }

  .stories-metrics {
    justify-content: center;
    gap: 24px;
  }

  .stories-exit-btn {
    width: 100%;
    justify-content: center;
  }

  .stories-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .stories-section-content {
    text-align: center;
  }

  .stories-highlight {
    margin-top: 8px;
  }

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

  .stories-quote-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stories-section {
    margin-top: clamp(40px, 8vw, 60px);
  }

  .stories-cta {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .stories-expanded-shell {
    padding: 24px;
    border-radius: 20px;
  }
}

@media (max-width: 480px) {
  .stories-expanded-shell {
    padding: clamp(18px, 5vw, 28px);
    border-radius: 16px;
  }

  .stories-card {
    padding: 20px;
  }

  .stories-metrics {
    gap: 20px;
  }

  .stories-metrics li span {
    font-size: 24px;
  }

  .stories-community-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ╔════════════════════════════════════════════════════════════════════╗
   ║  3D FILE CONVERTER – Expanded View                                 ║
   ╚════════════════════════════════════════════════════════════════════╝ */

@keyframes converterFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes converterGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes converterFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes converterPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.4); }
  50% { box-shadow: 0 0 20px 5px rgba(14, 165, 233, 0.2); }
}

@keyframes converterShimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes converterBorderGlow {
  0%, 100% { border-color: rgba(14, 165, 233, 0.3); }
  50% { border-color: rgba(139, 92, 246, 0.4); }
}

@keyframes uploadPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.15);
    border-color: rgba(255, 255, 255, 0.15);
  }
  50% {
    box-shadow: 0 0 30px 10px rgba(14, 165, 233, 0.08);
    border-color: rgba(14, 165, 233, 0.3);
  }
}

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.converter-expanded-view {
  display: none;
  width: 100%;
  max-width: 1400px;
  margin: calc(var(--navH) + 24px) auto calc(var(--ws-gap) * 2.2);
  padding: 0 clamp(24px, 5vw, 60px);
  scroll-behavior: smooth;
}

body.converter-view .converter-expanded-view {
  display: block;
  animation: converterFadeInUp 0.6s ease-out;
}

.converter-expanded-shell {
  width: min(100%, 1200px);
  margin-inline: auto;
  background: linear-gradient(145deg, rgba(8,8,8,.98), rgba(14,14,14,.92));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 28px;
  padding: clamp(24px, 4vw, 60px);
  box-shadow:
    0 40px 90px rgba(0,0,0,.45),
    0 0 0 1px rgba(14,165,233,.05),
    inset 0 1px 0 rgba(255,255,255,.05);
  position: relative;
  overflow: hidden;
}

.converter-expanded-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(14,165,233,.12), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(139,92,246,.12), transparent 45%);
  opacity: .8;
  pointer-events: none;
}

.converter-expanded-shell > * {
  position: relative;
  z-index: 1;
}

/* Hero Section */
.converter-hero {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 3vw, 60px);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  animation: converterFadeInUp .8s ease-out .1s forwards;
  opacity: 0;
}

.converter-hero-text {
  flex: 1;
  min-width: 280px;
  max-width: 720px;
  outline: none;
}

.converter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(14,165,233,.15);
  border: 1px solid rgba(14,165,233,.35);
  font-size: 12px;
  font-weight: 700;
  color: #bae6fd;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.converter-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.08;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.converter-hero-text > p {
  margin: 0;
  font-size: clamp(16px, 1.2rem, 19px);
  line-height: 1.7;
  color: rgba(255,255,255,.75);
  max-width: 720px;
}

.converter-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  padding: 0;
  list-style: none;
}

.converter-hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 70px;
}

.converter-hero-stats li span {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.converter-hero-stats li small {
  font-size: 11px;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
  max-width: 100px;
  line-height: 1.3;
}

/* Exit Button - Styled like tutorials */
.converter-exit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(239, 68, 68, .35);
  transition: transform .25s ease, box-shadow .25s ease;
  flex-shrink: 0;
}

.converter-exit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239, 68, 68, .45);
}

/* Section Styles with staggered animation */
.converter-section {
  max-width: 1200px;
  margin: clamp(56px, 7vw, 96px) auto 0;
  animation: converterFadeInUp .8s ease-out forwards;
  opacity: 0;
}

.converter-section:nth-of-type(1) { animation-delay: .15s; }
.converter-section:nth-of-type(2) { animation-delay: .25s; }
.converter-section:nth-of-type(3) { animation-delay: .35s; }
.converter-section:nth-of-type(4) { animation-delay: .45s; }
.converter-section:nth-of-type(5) { animation-delay: .55s; }
.converter-section:nth-of-type(6) { animation-delay: .65s; }

.converter-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.converter-section-content h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  margin: 0 0 8px;
  color: #fff;
}

.converter-section-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 500px;
  margin: 0;
}

.converter-highlight {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(236, 72, 153, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.35);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #c4b5fd;
  white-space: nowrap;
  flex-shrink: 0;
  animation: converterPulse 3s ease-in-out infinite;
}

/* Converter Tool Section */
.converter-tool-section {
  margin-top: 0;
}

.converter-tool {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 36px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.converter-tool::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: radial-gradient(circle at 50% 0%, rgba(14, 165, 233, 0.08), transparent 50%);
  pointer-events: none;
}

/* Upload Area */
.converter-upload-area {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 72px 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.4s ease;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  position: relative;
  overflow: hidden;
  animation: uploadPulse 3s ease-in-out infinite;
}

.converter-upload-area::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.2));
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.converter-upload-area:hover {
  border-color: transparent;
  background: rgba(14, 165, 233, 0.08);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(14, 165, 233, 0.15);
  animation: none;
}

.converter-upload-area:hover::before {
  opacity: 1;
}

.converter-upload-area.drag-over {
  border-color: #0ea5e9;
  background: rgba(14, 165, 233, 0.1);
  transform: scale(1.02);
  animation: none;
  box-shadow: 0 0 40px rgba(14, 165, 233, 0.25);
}

.converter-upload-icon {
  width: 72px;
  height: 72px;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 20px;
  transition: all 0.4s ease;
}

.converter-upload-area:hover .converter-upload-icon {
  color: #0ea5e9;
  transform: translateY(-8px);
  filter: drop-shadow(0 8px 16px rgba(14, 165, 233, 0.3));
}

.converter-upload-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
  transition: color 0.3s ease;
}

.converter-upload-area:hover .converter-upload-content h3 {
  background: linear-gradient(135deg, #fff, #bae6fd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.converter-upload-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 16px;
  line-height: 1.5;
}

.converter-formats-hint {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  transition: all 0.3s ease;
}

.converter-upload-area:hover .converter-formats-hint {
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.25);
  color: #7dd3fc;
}

/* File Info Panel */
.converter-file-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.converter-file-preview {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.converter-file-preview canvas {
  width: 100%;
  aspect-ratio: 4/3;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.converter-file-details h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 12px;
  word-break: break-all;
}

.converter-file-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.converter-file-meta li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.converter-file-meta li strong {
  color: #fff;
  font-weight: 600;
}

.converter-change-file {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.converter-change-file:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.converter-change-file svg {
  width: 16px;
  height: 16px;
}

/* Export Options */
.converter-export-options {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.converter-export-options h4 {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.converter-format-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.converter-format-option {
  cursor: pointer;
}

.converter-format-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.converter-format-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.converter-format-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0ea5e9, #8b5cf6);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.converter-format-option:hover .converter-format-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.converter-format-option:hover .converter-format-card::before {
  transform: scaleX(0.3);
}

.converter-format-option input:checked + .converter-format-card {
  background: linear-gradient(145deg, rgba(14, 165, 233, 0.15), rgba(14, 165, 233, 0.08));
  border-color: #0ea5e9;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.2);
}

.converter-format-option input:checked + .converter-format-card::before {
  transform: scaleX(1);
}

.converter-format-card strong {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.converter-format-option input:checked + .converter-format-card strong {
  background: linear-gradient(135deg, #fff, #bae6fd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.converter-format-card small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.4;
}

/* Advanced Options */
.converter-advanced-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s ease;
}

.converter-advanced-toggle:hover {
  color: #fff;
}

.converter-advanced-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.converter-advanced-toggle.open svg {
  transform: rotate(180deg);
}

.converter-advanced-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}

.converter-option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}

.converter-option-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #0ea5e9;
  cursor: pointer;
}

/* Export Button */
.converter-export-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 18px 28px;
  background: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 50%, #ec4899 100%);
  background-size: 200% 200%;
  border: none;
  border-radius: 14px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.4s ease;
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.35);
  position: relative;
  overflow: hidden;
}

.converter-export-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.converter-export-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(14, 165, 233, 0.45);
  background-position: 100% 100%;
}

.converter-export-btn:hover::before {
  opacity: 1;
}

.converter-export-btn:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}

.converter-export-btn svg {
  width: 22px;
  height: 22px;
  transition: transform 0.3s ease;
}

.converter-export-btn:hover svg {
  transform: translateX(4px);
}

/* Progress Indicator */
.converter-progress {
  text-align: center;
  padding: 32px;
  animation: converterFadeInUp 0.4s ease-out;
}

.converter-progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.converter-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #0ea5e9, #8b5cf6, #ec4899);
  background-size: 200% 100%;
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s ease;
  animation: converterShimmer 2s linear infinite;
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.5);
}

#converterProgressText {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
}

/* Formats Grid */
.converter-formats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.converter-format-info {
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 28px;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.converter-format-info:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(14, 165, 233, 0.35);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.format-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: 14px;
  margin-bottom: 18px;
  transition: transform .3s ease, box-shadow .3s ease;
}

.converter-format-info:hover .format-icon {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.25);
}

.format-icon svg {
  width: 28px;
  height: 28px;
  color: #0ea5e9;
  transition: color .3s ease;
}

.converter-format-info:hover .format-icon svg {
  color: #38bdf8;
}

.converter-format-info h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 8px;
}

.converter-format-info > p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0 0 16px;
}

.converter-format-info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.converter-format-info ul li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.converter-format-info ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: #0ea5e9;
  border-radius: 50%;
}

/* Steps Grid */
.converter-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.converter-step {
  position: relative;
  padding: 32px 24px 28px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.1);
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  text-align: center;
  transition: transform .35s ease, border-color .35s ease, background .35s ease, box-shadow .35s ease;
}

.converter-step:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.4);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.converter-step span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
  transition: transform .3s ease, box-shadow .3s ease;
}

.converter-step:hover span {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.5);
}

.converter-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
}

.converter-step p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.65;
  margin: 0;
}

/* Use Cases Grid */
.converter-usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.converter-usecase {
  background: linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 28px;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease;
}

.converter-usecase:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(139, 92, 246, 0.35);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.usecase-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform .3s ease;
}

.converter-usecase:hover .usecase-icon {
  transform: scale(1.15);
  animation: iconBounce 0.6s ease;
}

.converter-usecase h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
}

.converter-usecase p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0;
}

/* FAQ Grid */
.converter-faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.converter-faq {
  background: linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 28px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  position: relative;
  overflow: hidden;
}

.converter-faq::before {
  content: "?";
  position: absolute;
  top: -10px;
  right: 10px;
  font-size: 80px;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(139, 92, 246, 0.08));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  pointer-events: none;
  transition: opacity .3s ease;
}

.converter-faq:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.2);
}

.converter-faq:hover::before {
  opacity: 0.6;
}

.converter-faq h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 14px;
  position: relative;
  z-index: 1;
}

.converter-faq p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* Responsive */
@media (max-width: 900px) {
  .converter-file-info {
    grid-template-columns: 1fr;
  }

  .converter-hero {
    flex-direction: column;
  }

  .converter-exit-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .converter-hero-text {
    text-align: center;
  }

  .converter-hero-stats {
    justify-content: center;
  }

  .converter-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .converter-section-content {
    text-align: center;
  }

  .converter-section-content p {
    max-width: none;
  }

  .converter-format-grid {
    grid-template-columns: 1fr;
  }

  .converter-tool {
    padding: 24px;
  }

  .converter-upload-area {
    padding: 48px 24px;
  }
}

@media (max-width: 480px) {
  .converter-expanded-shell {
    padding: 24px 16px;
  }

  .converter-tool {
    padding: 16px;
  }

  .converter-file-meta {
    grid-template-columns: 1fr;
  }

  .converter-hero-stats {
    gap: 20px;
  }

  .converter-hero-stats li span {
    font-size: 24px;
  }
}

/* ╔════════════════════════════════════════════════════════════════════╗
   ║  ABOUT / OUR STORY & MISSION – Expanded View                      ║
   ╚════════════════════════════════════════════════════════════════════╝ */

@keyframes aboutFadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes aboutPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4); }
  50% { box-shadow: 0 0 20px 5px rgba(139, 92, 246, 0.2); }
}

@keyframes aboutFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes timelinePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.6); }
  50% { box-shadow: 0 0 12px 4px rgba(14, 165, 233, 0.3); }
}

.about-expanded-view {
  display: none;
  width: 100%;
  max-width: 1400px;
  margin: calc(var(--navH) + 24px) auto calc(var(--ws-gap) * 2.2);
  padding: 0 clamp(24px, 5vw, 60px);
  scroll-behavior: smooth;
}

body.about-view .about-expanded-view {
  display: block;
  animation: aboutFadeInUp 0.6s ease-out;
}

.about-expanded-shell {
  width: min(100%, 1200px);
  margin-inline: auto;
  background: linear-gradient(145deg, rgba(8,8,8,.98), rgba(14,14,14,.92));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 28px;
  padding: clamp(24px, 4vw, 60px);
  box-shadow:
    0 40px 90px rgba(0,0,0,.45),
    0 0 0 1px rgba(139,92,246,.05),
    inset 0 1px 0 rgba(255,255,255,.05);
  position: relative;
  overflow: hidden;
}

.about-expanded-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(139,92,246,.12), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(14,165,233,.1), transparent 45%);
  opacity: .8;
  pointer-events: none;
}

.about-expanded-shell > * {
  position: relative;
  z-index: 1;
}

/* Hero Section */
.about-hero {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 3vw, 60px);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  animation: aboutFadeInUp .8s ease-out .1s forwards;
  opacity: 0;
}

.about-hero-text {
  flex: 1;
  min-width: 280px;
  max-width: 720px;
  outline: none;
}

.about-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(139,92,246,.15);
  border: 1px solid rgba(139,92,246,.35);
  font-size: 12px;
  font-weight: 700;
  color: #c4b5fd;
  margin-bottom: 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.about-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.08;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, #c4b5fd 50%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-hero-text > p {
  margin: 0;
  font-size: clamp(16px, 1.2rem, 19px);
  line-height: 1.7;
  color: rgba(255,255,255,.75);
  max-width: 720px;
}

.about-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  padding: 0;
  list-style: none;
}

.about-hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 70px;
}

.about-hero-stats li span {
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-hero-stats li small {
  font-size: 11px;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
  max-width: 100px;
  line-height: 1.3;
}

/* Exit Button */
.about-exit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(239, 68, 68, .35);
  transition: transform .25s ease, box-shadow .25s ease;
  flex-shrink: 0;
}

.about-exit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239, 68, 68, .45);
}

/* Section Styles */
.about-section {
  max-width: 1200px;
  margin: clamp(56px, 7vw, 96px) auto 0;
  animation: aboutFadeInUp .8s ease-out forwards;
  opacity: 0;
}

.about-section:nth-of-type(1) { animation-delay: .2s; }
.about-section:nth-of-type(2) { animation-delay: .3s; }
.about-section:nth-of-type(3) { animation-delay: .4s; }
.about-section:nth-of-type(4) { animation-delay: .5s; }
.about-section:nth-of-type(5) { animation-delay: .6s; }
.about-section:nth-of-type(6) { animation-delay: .7s; }
.about-section:nth-of-type(7) { animation-delay: .8s; }
.about-section:nth-of-type(8) { animation-delay: .9s; }

.about-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.about-section-content h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  margin: 0 0 12px;
  color: #fff;
}

.about-section-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.65);
  max-width: 600px;
  margin: 0;
  line-height: 1.7;
}

.about-highlight {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(236, 72, 153, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.35);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #c4b5fd;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Mission Grid */
.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-mission-card {
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.about-mission-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.mission-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
  animation: aboutFloat 3s ease-in-out infinite;
}

.about-mission-card:nth-child(2) .mission-icon {
  animation-delay: 0.5s;
}

.about-mission-card:nth-child(3) .mission-icon {
  animation-delay: 1s;
}

.about-mission-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}

.about-mission-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin: 0;
}

/* Story Content */
.about-story-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.about-story-block {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: center;
}

.about-story-block.reverse {
  grid-template-columns: 1.5fr 1fr;
}

.about-story-block.reverse .story-image {
  order: 2;
}

.story-image-placeholder {
  aspect-ratio: 4/3;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.1), rgba(14, 165, 233, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  transition: transform .3s ease, box-shadow .3s ease;
}

.story-image-placeholder:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 50px rgba(139, 92, 246, 0.2);
}

.story-text h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
}

.story-text p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin: 0 0 16px;
}

.story-text p:last-child {
  margin-bottom: 0;
}

/* Values Grid */
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.about-value {
  background: linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 32px 28px;
  position: relative;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.about-value:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 165, 233, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.value-number {
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(14, 165, 233, 0.3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 16px;
}

.about-value h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
}

.about-value p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin: 0;
}

/* Timeline */
.about-timeline {
  position: relative;
  padding-left: 40px;
}

.about-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #0ea5e9, #8b5cf6, #ec4899);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.3);
  animation: timelinePulse 2s ease-in-out infinite;
}

.timeline-item:nth-child(2) .timeline-marker { animation-delay: 0.4s; }
.timeline-item:nth-child(3) .timeline-marker { animation-delay: 0.8s; }
.timeline-item:nth-child(4) .timeline-marker { animation-delay: 1.2s; }
.timeline-item:nth-child(5) .timeline-marker { animation-delay: 1.6s; }

.timeline-content {
  background: linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;
  transition: transform .3s ease, border-color .3s ease;
}

.timeline-item:hover .timeline-content {
  transform: translateX(8px);
  border-color: rgba(14, 165, 233, 0.3);
}

.timeline-date {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(139, 92, 246, 0.15));
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: #7dd3fc;
  margin-bottom: 12px;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}

.timeline-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0;
}

/* Features Grid */
.about-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-feature {
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 28px;
  text-align: center;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.about-feature:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 165, 233, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform .3s ease;
}

.about-feature:hover .feature-icon {
  transform: scale(1.15);
}

.about-feature h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
}

.about-feature p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.65;
  margin: 0;
}

/* Community Grid */
.about-community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-community-card {
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.about-community-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.community-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
}

.about-community-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}

.about-community-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin: 0 0 20px;
}

.about-community-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
}

.about-community-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

/* CTA Section */
.about-cta-section {
  margin-top: clamp(64px, 8vw, 100px) !important;
  margin-bottom: 20px;
}

.about-cta-content {
  text-align: center;
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.1), rgba(14, 165, 233, 0.08));
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: 24px;
  padding: clamp(40px, 5vw, 64px);
  animation: aboutPulse 3s ease-in-out infinite;
}

.about-cta-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px;
}

.about-cta-content > p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.about-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.about-primary-btn {
  padding: 14px 32px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
  transition: transform .25s ease, box-shadow .25s ease;
}

.about-primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.45);
}

.about-secondary-btn {
  padding: 14px 32px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e2e8f0;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}

.about-secondary-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Responsive */
@media (max-width: 900px) {
  .about-hero {
    flex-direction: column;
  }

  .about-exit-btn {
    width: 100%;
    justify-content: center;
  }

  .about-story-block,
  .about-story-block.reverse {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-story-block.reverse .story-image {
    order: 0;
  }
}

@media (max-width: 768px) {
  .about-hero-text {
    text-align: center;
  }

  .about-hero-stats {
    justify-content: center;
  }

  .about-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .about-section-content {
    text-align: center;
  }

  .about-section-content p {
    max-width: none;
  }

  .about-timeline {
    padding-left: 32px;
  }

  .about-timeline::before {
    left: 8px;
  }

  .timeline-marker {
    left: -32px;
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 480px) {
  .about-expanded-shell {
    padding: 24px 16px;
  }

  .about-hero-stats {
    gap: 20px;
  }

  .about-hero-stats li span {
    font-size: 22px;
  }

  .about-cta-content {
    padding: 32px 20px;
  }

  .about-cta-buttons {
    flex-direction: column;
  }

  .about-primary-btn,
  .about-secondary-btn {
    width: 100%;
  }
}

/* ╔════════════════════════════════════════════════════════════════════╗
   ║  VIEWER TOOLBAR – Action Buttons at Bottom of 3D Viewer           ║
   ╚════════════════════════════════════════════════════════════════════╝ */

.viewer-toolbar {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(15, 15, 18, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  z-index: 50;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

/* Show toolbar when model is loaded */
.viewer-toolbar.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.viewer-toolbar__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.viewer-toolbar__btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  transition: stroke 0.2s ease;
}

.viewer-toolbar__btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  transform: translateY(-2px);
}

.viewer-toolbar__btn:active {
  transform: translateY(0);
  background: rgba(255, 255, 255, 0.15);
}

/* Tooltip on hover */
.viewer-toolbar__btn::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 12px;
  background: rgba(20, 20, 24, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 100;
}

/* Tooltip arrow */
.viewer-toolbar__btn::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  border: 5px solid transparent;
  border-top-color: rgba(20, 20, 24, 0.95);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 100;
}

.viewer-toolbar__btn:hover::before,
.viewer-toolbar__btn:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Divider between button groups */
.viewer-toolbar__divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 6px;
}

/* Accent colors for specific actions on hover */
.viewer-toolbar__btn[data-action="retry"]:hover {
  color: var(--accent-blue, #0ea5e9);
}

.viewer-toolbar__btn[data-action="remesh"]:hover {
  color: var(--accent-purple, #a855f7);
}

.viewer-toolbar__btn[data-action="texture"]:hover {
  color: var(--accent-neo, #d4ff4f);
}

.viewer-toolbar__btn[data-action="rig"]:hover {
  color: var(--accent-pink, #ec4899);
}

.viewer-toolbar__btn[data-action="download"]:hover {
  color: var(--accent-cyan, #22d3ee);
}

.viewer-toolbar__btn[data-action="share"]:hover {
  color: var(--accent-blue, #0ea5e9);
}

.viewer-toolbar__btn[data-action="print"]:hover {
  color: var(--accent-orange, #fb923c);
}