@charset "utf-8";
/* CSS Document */
.tl-main {
  --tl-bg: #05070a;
  --tl-surface: #101319;
  --tl-surface-deep: #0c0e13;
  --tl-surface-hover: #161b24;
  --tl-editor: #090c11;
  --tl-text: #eaf0f7;
  --tl-muted: #98a3b3;
  --tl-dim: #5c6675;
  --tl-cyan: #6ee7ff;
  --tl-lime: #a8ff53;
  
  
  --tl-border: rgba(255, 255, 255, 0.08);
  --tl-border-hover: rgba(255, 255, 255, 0.16);
  --tl-border-strong: rgba(110, 231, 255, 0.42);
  --tl-font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --tl-font-display: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --tl-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --tl-radius-sm: 6px;
  --tl-radius-md: 10px;
  --tl-radius-lg: 16px;
  --tl-radius-pill: 999px;
  --tl-transition: 0.18s cubic-bezier(0.16, 1, 0.3, 1);

  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  position: relative;
  background-color: var(--tl-bg);
  color: var(--tl-text);
  font-family: var(--tl-font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.tl-main *,
.tl-main *::before,
.tl-main *::after {
  box-sizing: border-box;
}

.tl-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 680px;
  background: radial-gradient(circle at 85% 7%, rgba(168, 255, 83, 0.12), transparent 27%), radial-gradient(circle at 12% 28%, rgba(110, 231, 255, 0.06), transparent 25%), radial-gradient(circle at 50% -80px, rgba(168, 255, 83, 0.08), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.tl-main .tl-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 600px;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.tl-main .tl-wrap {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0 18px;
  position: relative;
  z-index: 1;
}

.tl-main .tl-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.tl-main .tl-cyan-text { color: var(--tl-cyan); }
.tl-main .tl-lime-text { color: var(--tl-lime); }
.tl-main .tl-cyan-text { color: var(--tl-cyan); }
.tl-main .tl-text-dim { color: var(--tl-dim); font-size: 12px; }

/* ---------------- Hero Section ---------------- */
.tl-main .tl-hero {
  padding: 64px 0 36px;
}

.tl-main .tl-hero-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.tl-main .tl-kicker {
  font-family: var(--tl-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tl-lime);
  margin: 0 0 12px;
  font-weight: 600;
}

.tl-main .tl-hero h1 {
  font-family: var(--tl-font-display);
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  color: #ffffff;
}

.tl-main .tl-hero h1 span {
  background: linear-gradient(135deg, var(--tl-cyan) 0%, var(--tl-lime) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tl-main .tl-lead {
  font-size: 16px;
  color: var(--tl-muted);
  line-height: 1.65;
  margin: 0 0 24px;
  max-width: 620px;
}

.tl-main .tl-pills {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tl-main .tl-pills li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-pill);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--tl-text);
  font-family: var(--tl-font-mono);
}

.tl-main .tl-pills li span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--tl-lime); box-shadow: 0 0 10px rgba(168, 255, 83, 0.65);
}

/* Hero Binder / Publishing HUD */
.tl-main .tl-hero-hud {
  display: flex;
  justify-content: center;
}

.tl-main .tl-hud-binder {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(180deg, rgba(16, 19, 25, 0.95), rgba(12, 14, 19, 0.98));
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  display: flex;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.tl-main .tl-binder-spine {
  width: 28px;
  background: rgba(110, 231, 255, 0.06);
  border-right: 1px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  padding: 24px 0;
}

.tl-main .tl-binder-spine span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #080a0f;
  border: 1.5px solid var(--tl-border);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.8);
}

.tl-main .tl-binder-sheet {
  flex: 1;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
}

.tl-main .tl-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--tl-border);
  margin-bottom: 12px;
}

.tl-main .tl-sheet-badge {
  font-family: var(--tl-font-mono);
  font-size: 9.5px;
  background: rgba(110, 231, 255, 0.12);
  color: var(--tl-cyan);
  padding: 2px 7px;
  border-radius: var(--tl-radius-pill);
  border: 1px solid rgba(110, 231, 255, 0.3);
  font-weight: 700;
}

.tl-main .tl-sheet-num {
  font-family: var(--tl-font-mono);
  font-size: 10.5px;
  color: var(--tl-dim);
}

.tl-main .tl-sheet-preview {
  background: #07090d;
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-md);
  padding: 12px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
  margin-bottom: 14px;
}

.tl-main .tl-sheet-slide-box {
  background: #0d1016;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  padding: 10px;
  aspect-ratio: 16 / 10;
  display: flex;
  flex-direction: column;
}

.tl-main .tl-sheet-bar {
  width: 45%;
  height: 5px;
  background: var(--tl-cyan);
  border-radius: 2px;
  margin-bottom: 6px;
}

.tl-main .tl-sheet-lines span {
  display: block;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 1px;
  margin-bottom: 4px;
}
.tl-main .tl-sheet-lines span:nth-child(1) { width: 75%; }
.tl-main .tl-sheet-lines span:nth-child(2) { width: 55%; }
.tl-main .tl-sheet-lines span:nth-child(3) { width: 65%; }

.tl-main .tl-sheet-mini-chart {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 20px;
}

.tl-main .tl-sheet-mini-chart div {
  flex: 1;
  background: linear-gradient(180deg, var(--tl-cyan), rgba(110, 231, 255, 0.2));
  border-radius: 1px 1px 0 0;
}

.tl-main .tl-sheet-notes-box {
  border-left: 1px dashed rgba(255, 255, 255, 0.1);
  padding-left: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.tl-main .tl-rule-line {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  width: 100%;
}

.tl-main .tl-binder-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tl-main .tl-binder-stat {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-sm);
  padding: 6px 8px;
}

.tl-main .tl-binder-stat span {
  display: block;
  font-family: var(--tl-font-mono);
  font-size: 9px;
  color: var(--tl-dim);
  margin-bottom: 1px;
}

.tl-main .tl-binder-stat strong {
  font-family: var(--tl-font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--tl-text);
}

/* ---------------- Studio Workbench Section ---------------- */
.tl-main .tl-studio-section {
  padding: 12px 0 48px;
}

.tl-main .tl-studio-box {
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

/* Stage 1: Drop Zone */
.tl-main .tl-drop-zone {
  padding: 64px 32px;
  text-align: center;
  border: 2px dashed rgba(110, 231, 255, 0.25);
  border-radius: var(--tl-radius-lg);
  margin: 16px;
  background: rgba(12, 14, 19, 0.6);
  cursor: pointer;
  transition: var(--tl-transition);
}

.tl-main .tl-drop-zone:hover,
.tl-main .tl-drop-zone.is-dragover {
  border-color: var(--tl-lime);
  background: rgba(168, 255, 83, 0.02);
  box-shadow: inset 0 0 30px rgba(168, 255, 83, 0.04);
}

.tl-main .tl-drop-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(110, 231, 255, 0.08);
  border: 1px solid rgba(110, 231, 255, 0.2);
  color: var(--tl-cyan);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: transform var(--tl-transition);
}

.tl-main .tl-drop-zone:hover .tl-drop-icon {
  transform: translateY(-3px) scale(1.05);
}

.tl-main .tl-drop-heading {
  font-family: var(--tl-font-display);
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 8px;
}

.tl-main .tl-accent-link {
  color: var(--tl-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.tl-main .tl-drop-sub {
  font-size: 14px;
  color: var(--tl-muted);
  max-width: 520px;
  margin: 0 auto 24px;
}

.tl-main .tl-drop-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Stage 2: Active Workspace */
.tl-main .tl-workspace {
  display: flex;
  flex-direction: column;
}

/* Ribbon Controls Bar */
.tl-main .tl-ribbon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--tl-surface-deep);
  border-bottom: 1px solid var(--tl-border);
  flex-wrap: wrap;
  gap: 16px;
}

.tl-main .tl-ribbon-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tl-main .tl-doc-icon {
  font-size: 24px;
  line-height: 1;
}

.tl-main .tl-doc-meta strong {
  display: block;
  font-family: var(--tl-font-display);
  font-size: 14px;
  color: #ffffff;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tl-main .tl-doc-meta span {
  font-family: var(--tl-font-mono);
  font-size: 11.5px;
  color: var(--tl-muted);
}

.tl-main .tl-ribbon-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.tl-main .tl-control-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tl-main .tl-control-group label {
  font-family: var(--tl-font-mono);
  font-size: 11.5px;
  color: var(--tl-dim);
  font-weight: 500;
}

.tl-main .tl-select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--tl-border);
  color: var(--tl-text);
  font-family: var(--tl-font-body);
  font-size: 12.5px;
  padding: 6px 10px;
  border-radius: var(--tl-radius-sm);
  outline: none;
  cursor: pointer;
  transition: var(--tl-transition);
}

.tl-main .tl-select:hover,
.tl-main .tl-select:focus {
  border-color: var(--tl-cyan);
  background: rgba(255, 255, 255, 0.08);
}

/* Studio Stage: Split Layout */
.tl-main .tl-studio-stage {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 560px;
  background: var(--tl-editor);
}

/* Left: Slide Reel Pane */
.tl-main .tl-slide-reel-pane {
  background: var(--tl-surface-deep);
  border-right: 1px solid var(--tl-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tl-main .tl-reel-head {
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--tl-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--tl-font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--tl-dim);
  letter-spacing: 0.08em;
}

.tl-main .tl-reel-list {
  padding: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.tl-main .tl-reel-list::-webkit-scrollbar {
  width: 6px;
}
.tl-main .tl-reel-list::-webkit-scrollbar-track {
  background: transparent;
}
.tl-main .tl-reel-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.tl-main .tl-slide-card {
  display: flex;
  flex-direction: column;
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-sm);
  padding: 8px;
  cursor: pointer;
  transition: var(--tl-transition);
  position: relative;
}

.tl-main .tl-slide-card:hover {
  border-color: rgba(110, 231, 255, 0.4);
  background: var(--tl-surface-hover);
}

.tl-main .tl-slide-card.is-active {
  border-color: var(--tl-cyan);
  box-shadow: 0 0 12px rgba(110, 231, 255, 0.25);
  background: rgba(110, 231, 255, 0.04);
}

.tl-main .tl-slide-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--tl-font-mono);
  font-size: 10.5px;
  color: var(--tl-muted);
  margin-bottom: 6px;
}

.tl-main .tl-card-thumb-wrap {
  aspect-ratio: 16 / 9;
  background: #000000;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tl-main .tl-card-thumb-wrap img,
.tl-main .tl-card-thumb-wrap canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Right: Sheet Preview Pane */
.tl-main .tl-sheet-pane {
  display: flex;
  flex-direction: column;
  position: relative;
  background: #06080c;
}

.tl-main .tl-sheet-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--tl-border);
}

.tl-main .tl-sheet-nav-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tl-main .tl-badge-pill {
  font-family: var(--tl-font-mono);
  font-size: 11px;
  background: rgba(110, 231, 255, 0.12);
  color: var(--tl-cyan);
  border: 1px solid rgba(110, 231, 255, 0.3);
  padding: 2px 8px;
  border-radius: var(--tl-radius-pill);
  font-weight: 600;
}

.tl-main .tl-sheet-nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tl-main .tl-nav-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--tl-border);
  color: var(--tl-text);
  width: 28px;
  height: 28px;
  border-radius: var(--tl-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--tl-transition);
}

.tl-main .tl-nav-btn:hover:not(:disabled) {
  border-color: var(--tl-cyan);
  background: rgba(110, 231, 255, 0.1);
  color: var(--tl-cyan);
}

.tl-main .tl-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.tl-main .tl-slide-counter-txt {
  font-family: var(--tl-font-mono);
  font-size: 12px;
  color: var(--tl-muted);
  min-width: 48px;
  text-align: center;
}

.tl-main .tl-sheet-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.02) 0%, transparent 80%);
}

.tl-main .tl-sheet-viewport {
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 16 / 9;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: aspect-ratio var(--tl-transition);
}

.tl-main .tl-sheet-viewport.is-a4-portrait {
  aspect-ratio: 1 / 1.414;
}

.tl-main .tl-sheet-viewport.is-a4-landscape {
  aspect-ratio: 1.414 / 1;
}

.tl-main .tl-sheet-viewport canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Action Deck Footer */
.tl-main .tl-action-deck {
  padding: 16px 24px;
  background: var(--tl-surface-deep);
  border-top: 1px solid var(--tl-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.tl-main .tl-status-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 260px;
}

.tl-main .tl-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--tl-muted);
}

.tl-main .tl-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tl-cyan);
  box-shadow: 0 0 8px var(--tl-cyan);
  flex-shrink: 0;
}

.tl-main .tl-pulse-dot.is-busy {
  background: var(--tl-lime);
  box-shadow: 0 0 8px var(--tl-lime);
  animation: tl-pulse 1.2s infinite ease-in-out;
}

@keyframes tl-pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.tl-main .tl-progress-bar-wrap {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  max-width: 380px;
}

.tl-main .tl-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--tl-cyan), var(--tl-lime));
  transition: width 0.2s ease;
}

.tl-main .tl-action-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.tl-main .tl-button {
  font-family: var(--tl-font-display);
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--tl-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--tl-transition);
  text-decoration: none;
}

.tl-main .tl-button-primary {
  background: linear-gradient(135deg, var(--tl-cyan), var(--tl-lime));
  color: #061014;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(168, 255, 83, 0.35);
  border-color: transparent;
}

.tl-main .tl-button-primary:hover:not(:disabled) {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(168, 255, 83, 0.5);
}

.tl-main .tl-button-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.tl-main .tl-btn-large {
  padding: 10px 22px;
  font-size: 14.5px;
}

.tl-main .tl-button-quiet {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--tl-border);
  color: var(--tl-text);
}

.tl-main .tl-button-quiet:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--tl-border-hover);
  color: #ffffff;
}

/* Toast Message */
.tl-main .tl-toast {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #151922;
  border: 1px solid var(--tl-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  padding: 10px 20px;
  border-radius: var(--tl-radius-pill);
  font-size: 13px;
  color: var(--tl-text);
  pointer-events: none;
  opacity: 0;
  transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
  white-space: nowrap;
}

.tl-main .tl-toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Privacy Assurance Bar */
.tl-main .tl-privacy-assurance {
  margin-top: 18px;
  padding: 12px 18px;
  background: rgba(168, 255, 83, 0.04);
  border: 1px solid rgba(168, 255, 83, 0.15);
  border-radius: var(--tl-radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--tl-muted);
}

.tl-main .tl-privacy-assurance svg {
  color: var(--tl-lime);
  flex-shrink: 0;
}

.tl-main .tl-privacy-assurance strong {
  color: #ffffff;
}

/* ---------------- Content Sections ---------------- */
.tl-main .tl-section {
  padding: 56px 0;
  border-top: 1px solid var(--tl-border);
}

.tl-main .tl-section-head {
  margin-bottom: 36px;
}

.tl-main .tl-section-head h2 {
  font-family: var(--tl-font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin: 0 0 10px;
  line-height: 1.25;
}

.tl-main .tl-section-desc {
  font-size: 15px;
  color: var(--tl-muted);
  max-width: 680px;
  line-height: 1.65;
  margin: 0;
}

/* Section 1: Triplet Cards */
.tl-main .tl-cards-triplet {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tl-main .tl-spec-card {
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-lg);
  padding: 28px 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: var(--tl-transition);
}

.tl-main .tl-spec-card:hover {
  transform: translateY(-2px);
  border-color: rgba(168, 255, 83, 0.35);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.tl-main .tl-spec-card-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.tl-main .tl-spec-label {
  display: block;
  font-family: var(--tl-font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--tl-cyan);
  margin-bottom: 6px;
}

.tl-main .tl-spec-card h3 {
  font-family: var(--tl-font-display);
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 10px;
}

.tl-main .tl-spec-card p {
  font-size: 14px;
  color: var(--tl-muted);
  line-height: 1.6;
  margin: 0;
}

/* Section 2: Compare Table */
.tl-main .tl-table-wrap {
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-md);
  overflow-x: auto;
  background: var(--tl-surface);
}

.tl-main .tl-compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.tl-main .tl-compare-table th {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--tl-border);
  font-family: var(--tl-font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--tl-muted);
}

.tl-main .tl-compare-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--tl-border);
  color: var(--tl-muted);
}

.tl-main .tl-compare-table tr:last-child td {
  border-bottom: none;
}

.tl-main .tl-compare-table tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

.tl-main .tl-tag-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--tl-radius-pill);
  font-family: var(--tl-font-mono);
  font-size: 10.5px;
  font-weight: 600;
}

.tl-main .tl-tag-cyan {
  background: rgba(110, 231, 255, 0.1);
  color: var(--tl-cyan);
  border: 1px solid rgba(110, 231, 255, 0.3);
}

.tl-main .tl-tag-lime {
  background: rgba(168, 255, 83, 0.1);
  color: var(--tl-lime);
  border: 1px solid rgba(168, 255, 83, 0.3);
}

.tl-main .tl-tag-neutral {
  background: rgba(255, 255, 255, 0.05);
  color: var(--tl-muted);
  border: 1px solid var(--tl-border);
}

/* Section 3: Horizontal Step Strip */
.tl-main .tl-steps-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tl-main .tl-step-item {
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
}

.tl-main .tl-step-num {
  font-family: var(--tl-font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--tl-lime);
  line-height: 1;
}

.tl-main .tl-step-body h3 {
  font-family: var(--tl-font-display);
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 8px;
}

.tl-main .tl-step-body p {
  font-size: 13.5px;
  color: var(--tl-muted);
  line-height: 1.55;
  margin: 0;
}

/* Section 4: Use Cases Grid */
.tl-main .tl-usecase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.tl-main .tl-usecase-card {
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-lg);
  padding: 24px;
  display: flex;
  gap: 18px;
}

.tl-main .tl-usecase-icon {
  font-size: 26px;
  width: 48px;
  height: 48px;
  border-radius: var(--tl-radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--tl-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tl-main .tl-usecase-label {
  display: block;
  font-family: var(--tl-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--tl-cyan);
  font-weight: 600;
  margin-bottom: 4px;
}

.tl-main .tl-usecase-card h3 {
  font-family: var(--tl-font-display);
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 6px;
}

.tl-main .tl-usecase-card p {
  font-size: 13.5px;
  color: var(--tl-muted);
  line-height: 1.55;
  margin: 0;
}

/* Section 5: FAQ Accordion */
.tl-main .tl-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tl-main .tl-faq-item {
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-md);
  overflow: hidden;
  transition: var(--tl-transition);
}

.tl-main .tl-faq-item[open] {
  border-color: rgba(110, 231, 255, 0.3);
  background: var(--tl-surface-hover);
}

.tl-main .tl-faq-q {
  padding: 16px 20px;
  font-family: var(--tl-font-display);
  font-size: 15.5px;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tl-main .tl-faq-q::-webkit-details-marker {
  display: none;
}

.tl-main .tl-faq-q::after {
  content: "+";
  font-family: var(--tl-font-mono);
  font-size: 18px;
  color: var(--tl-cyan);
  transition: transform var(--tl-transition);
}

.tl-main .tl-faq-item[open] .tl-faq-q::after {
  content: "-";
  transform: rotate(180deg);
}

.tl-main .tl-faq-a {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--tl-muted);
  line-height: 1.65;
}

.tl-main .tl-faq-a p {
  margin: 0;
}

/* Section 6: Related Tools Grid */
.tl-main .tl-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tl-main .tl-related-card {
  background: var(--tl-surface);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-md);
  padding: 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: var(--tl-transition);
}

.tl-main .tl-related-card:hover {
  transform: translateY(-2px);
  border-color: var(--tl-cyan);
  background: var(--tl-surface-hover);
}

.tl-main .tl-related-tag {
  font-family: var(--tl-font-mono);
  font-size: 10px;
  color: var(--tl-cyan);
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 6px;
}

.tl-main .tl-related-card h3 {
  font-family: var(--tl-font-display);
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 8px;
}

.tl-main .tl-related-card p {
  font-size: 13px;
  color: var(--tl-muted);
  line-height: 1.5;
  margin: 0 0 14px;
  flex: 1;
}

.tl-main .tl-related-link {
  font-family: var(--tl-font-mono);
  font-size: 11.5px;
  color: var(--tl-cyan);
  font-weight: 600;
}

/* ---------------- Responsive Styles ---------------- */
@media (max-width: 992px) {
  .tl-main .tl-hero-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .tl-main .tl-hero-hud {
    justify-content: flex-start;
  }
  .tl-main .tl-studio-stage {
    grid-template-columns: 200px 1fr;
    height: 480px;
  }
  .tl-main .tl-cards-triplet,
  .tl-main .tl-steps-strip {
    grid-template-columns: 1fr;
  }
  .tl-main .tl-related-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .tl-main .tl-studio-stage {
    grid-template-columns: 1fr;
    height: auto;
  }
  .tl-main .tl-slide-reel-pane {
    height: 160px;
    border-right: none;
    border-bottom: 1px solid var(--tl-border);
  }
  .tl-main .tl-reel-list {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .tl-main .tl-slide-card {
    width: 130px;
    flex-shrink: 0;
  }
  .tl-main .tl-sheet-stage {
    min-height: 240px;
  }
  .tl-main .tl-usecase-grid {
    grid-template-columns: 1fr;
  }
  .tl-main .tl-ribbon {
    flex-direction: column;
    align-items: flex-start;
  }
  .tl-main .tl-ribbon-controls {
    width: 100%;
    justify-content: space-between;
  }
  .tl-main .tl-action-deck {
    flex-direction: column;
    align-items: stretch;
  }
  .tl-main .tl-action-buttons {
    flex-direction: column;
  }
  .tl-main .tl-action-buttons .tl-button {
    width: 100%;
    justify-content: center;
  }
  .tl-main .tl-related-grid {
    grid-template-columns: 1fr;
  }
}