/* ============================================================
   Lộ Trình Chinh Phục Toán — Refined Design System
   ============================================================ */

.ltt-wrap {
  /* --- Palette --- */
  --ltt-primary: #b45309;
  --ltt-primary-light: #f59e0b;
  --ltt-primary-dark: #d8804f;
  --ltt-accent: #fbbf24;
  --ltt-success: #059669;
  --ltt-text: #1c1917;
  --ltt-text-secondary: #57534e;
  --ltt-muted: #78716c;
  --ltt-border: #e1b59c;
  --ltt-border-accent: #fde68a;
  --ltt-bg-warm: #fffbeb;
  --ltt-bg-surface: #fafaf9;
  --ltt-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --ltt-shadow: 0 4px 16px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --ltt-shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --ltt-radius: 16px;
  --ltt-radius-lg: 24px;

  font-size: 1rem;
  line-height: 1.7;
  color: var(--ltt-text);
}

/* ---- Shared transition ---- */
.ltt-wrap .ltt-topic-card,
.ltt-wrap .ltt-card,
.ltt-wrap .ltt-featured-block,
.ltt-wrap .ltt-faq .accordion-item,
.ltt-wrap .ltt-timeline-item,
.ltt-wrap .ltt-note-card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

/* ============================================================
   Topic blocks
   ============================================================ */
.ltt-wrap .ltt-topic-block { margin-bottom: 36px; }
.ltt-wrap .ltt-topic-block-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ltt-primary-dark);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.ltt-wrap .ltt-topic-block-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--ltt-border) 0%, transparent 100%);
}
.ltt-wrap .ltt-topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.ltt-wrap .ltt-topic-card {
  background: #fff;
  border: 1px solid var(--ltt-border);
  border-radius: var(--ltt-radius);
  padding: 18px 20px;
  box-shadow: var(--ltt-shadow-sm);
}
.ltt-wrap .ltt-topic-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ltt-shadow);
  border-color: var(--ltt-border-accent);
}
.ltt-wrap .ltt-topic-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.ltt-wrap .ltt-topic-card h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  flex: 1;
  color: var(--ltt-text);
}
.ltt-wrap .ltt-topic-card h4 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
.ltt-wrap .ltt-topic-card h4 a:hover {
  color: var(--ltt-primary-dark);
}
.ltt-wrap .ltt-topic-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ltt-text-secondary);
  line-height: 1.6;
}
.ltt-wrap .ltt-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ltt-primary-dark);
  text-decoration: none;
  transition: color 0.2s, gap 0.2s;
}
.ltt-wrap .ltt-card-link:hover {
  color: var(--ltt-accent);
  gap: 10px;
}
.ltt-wrap .ltt-card-link span {
  font-size: 1rem;
  transition: transform 0.2s;
}
.ltt-wrap .ltt-card-link:hover span {
  transform: translateX(2px);
}
.ltt-wrap .ltt-table-link {
  color: var(--ltt-text);
  text-decoration: none;
  border-bottom: 1px dashed var(--ltt-border-accent);
  transition: color 0.2s, border-color 0.2s;
}
.ltt-wrap .ltt-table-link:hover {
  color: var(--ltt-primary-dark);
  border-bottom-color: var(--ltt-primary-dark);
}

/* ============================================================
   Nav nội trang
   ============================================================ */
.ltt-wrap .ltt-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 16px 0 20px;
  border-bottom: 1px solid var(--ltt-border);
  margin-bottom: 36px;
  font-size: 1rem;
  font-weight: 600;
}
.ltt-wrap .ltt-nav a {
  color: var(--ltt-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.ltt-wrap .ltt-nav a:hover { color: var(--ltt-primary); }

/* ============================================================
   Hero
   ============================================================ */
.ltt-wrap .ltt-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 56px;
}

.ltt-wrap .ltt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--ltt-bg-warm);
  color: var(--ltt-primary);
  font-size: 0.92rem;
  font-weight: 700;
  border: 1px solid var(--ltt-border-accent);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.ltt-wrap .ltt-hero-title {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  font-weight: 800;
  color: var(--ltt-primary-dark);
}

.ltt-wrap .ltt-hero-desc {
  color: var(--ltt-text-secondary);
  font-size: 1.1rem;
  margin: 0 0 28px;
  max-width: 100%;
  line-height: 1.75;
}

.ltt-wrap .ltt-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

/* ---- Buttons ---- */
.ltt-wrap .ltt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.22s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}
.ltt-wrap .ltt-btn-primary {
  background: var(--ltt-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(180, 83, 9, 0.3);
}
.ltt-wrap .ltt-btn-primary:hover {
  background: var(--ltt-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(180, 83, 9, 0.35);
}
.ltt-wrap .ltt-btn-secondary {
  border-color: var(--ltt-border);
  background: #fff;
  color: var(--ltt-text);
  box-shadow: var(--ltt-shadow-sm);
}
.ltt-wrap .ltt-btn-secondary:hover {
  border-color: var(--ltt-primary);
  color: var(--ltt-primary);
  box-shadow: var(--ltt-shadow);
}

/* ---- Note cards ---- */
.ltt-wrap .ltt-note-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.ltt-wrap .ltt-note-card {
  background: #fff;
  border: 1px solid var(--ltt-border);
  border-radius: var(--ltt-radius);
  padding: 18px 20px;
  font-size: 0.95rem;
  color: var(--ltt-text-secondary);
  box-shadow: var(--ltt-shadow-sm);
  border-left: 3px solid var(--ltt-accent);
}
.ltt-wrap .ltt-note-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--ltt-shadow);
}
.ltt-wrap .ltt-note-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ltt-text);
  font-size: 0.95rem;
}

/* ============================================================
   Hero panel (4 giai đoạn)
   ============================================================ */
.ltt-wrap .ltt-hero-panel {
  background: #fff;
  border: 1px solid var(--ltt-border);
  border-radius: var(--ltt-radius-lg);
  padding: 28px;
  box-shadow: var(--ltt-shadow);
  position: relative;
  overflow: hidden;
}
.ltt-wrap .ltt-hero-panel::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  top: -120px;
  right: -100px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.ltt-wrap .ltt-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ltt-border);
}
.ltt-wrap .ltt-panel-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ltt-primary-dark);
}
.ltt-wrap .ltt-status {
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--ltt-bg-warm);
  color: var(--ltt-primary);
  border: 1px solid var(--ltt-border-accent);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* ============================================================
   Timeline
   ============================================================ */
.ltt-wrap .ltt-timeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ltt-wrap .ltt-timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--ltt-radius);
  background: var(--ltt-bg-surface);
  border: 1px solid var(--ltt-border);
}
.ltt-wrap .ltt-timeline-item:hover {
  border-color: var(--ltt-border-accent);
  background: var(--ltt-bg-warm);
  transform: translateY(-1px);
  box-shadow: var(--ltt-shadow-sm);
}
.ltt-wrap .ltt-phase {
  font-weight: 800;
  color: var(--ltt-primary);
  font-size: 1rem;
  padding-top: 2px;
  line-height: 1.4;
}
.ltt-wrap .ltt-timeline-item h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ltt-text);
}
.ltt-wrap .ltt-timeline-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ltt-text-secondary);
  line-height: 1.6;
}

/* ============================================================
   Sections
   ============================================================ */
.ltt-wrap .ltt-section { padding: 10px 0 0; }

.ltt-wrap .ltt-section-header { margin-bottom: 28px; }
.ltt-wrap .ltt-section-header h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--ltt-primary-dark);
}
.ltt-wrap .ltt-section-header p {
  margin: 0;
  color: var(--ltt-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---- Chips ---- */
.ltt-wrap .ltt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.ltt-wrap .ltt-chip {
  padding: 6px 14px;
  border-radius: 10px;
  border: 1px solid var(--ltt-border);
  background: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ltt-primary);
  transition: all 0.2s;
}
.ltt-wrap .ltt-chip:hover {
  background: var(--ltt-bg-warm);
  border-color: var(--ltt-border-accent);
}

/* ============================================================
   Cards grid
   ============================================================ */
.ltt-wrap .ltt-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.ltt-wrap .ltt-card {
  background: #fff;
  border: 1px solid var(--ltt-border);
  border-radius: var(--ltt-radius);
  padding: 24px;
  box-shadow: var(--ltt-shadow-sm);
}
.ltt-wrap .ltt-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ltt-shadow);
  border-color: var(--ltt-border-accent);
}
.ltt-wrap .ltt-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--ltt-bg-warm);
  color: var(--ltt-primary);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 16px;
  border: 1px solid var(--ltt-border-accent);
}
.ltt-wrap .ltt-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ltt-text);
}
.ltt-wrap .ltt-card p {
  margin: 0;
  color: var(--ltt-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

/* ============================================================
   Featured 2-col
   ============================================================ */
.ltt-wrap .ltt-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.ltt-wrap .ltt-featured-block {
  background: #fff;
  border: 1px solid var(--ltt-border);
  border-radius: var(--ltt-radius);
  padding: 24px;
  box-shadow: var(--ltt-shadow-sm);
}
.ltt-wrap .ltt-featured-block:hover {
  transform: translateY(-1px);
  box-shadow: var(--ltt-shadow);
}
.ltt-wrap .ltt-featured-block h3 {
  margin: 0 0 14px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ltt-primary-dark);
}
.ltt-wrap .ltt-featured-block ul {
  margin: 0;
  padding: 0 0 0 18px;
  color: var(--ltt-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}
.ltt-wrap .ltt-featured-block li + li { margin-top: 8px; }

/* ============================================================
   Table (Lộ trình 40 tuần)
   ============================================================ */
.ltt-wrap .ltt-roadmap-table {
  overflow: auto;
  border-radius: var(--ltt-radius);
  border: 1px solid var(--ltt-border);
  box-shadow: var(--ltt-shadow);
  background: #fff;
}
.ltt-wrap .ltt-roadmap-table table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
.ltt-wrap .ltt-roadmap-table th,
.ltt-wrap .ltt-roadmap-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--ltt-border);
  text-align: left;
  vertical-align: top;
  font-size: 0.95rem;
}
.ltt-wrap .ltt-roadmap-table th {
  background: var(--ltt-bg-surface);
  color: var(--ltt-primary-dark);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  border-bottom: 2px solid var(--ltt-border);
}
.ltt-wrap .ltt-roadmap-table tbody tr:last-child td { border-bottom: none; }
.ltt-wrap .ltt-roadmap-table tbody tr:hover { background: var(--ltt-bg-surface); }
.ltt-wrap .ltt-roadmap-table td strong { color: var(--ltt-text); }

/* ============================================================
   Tags
   ============================================================ */
.ltt-wrap .ltt-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.ltt-wrap .ltt-tag-l4 {
  background: var(--ltt-bg-warm);
  color: var(--ltt-primary);
  border: 1px solid var(--ltt-border-accent);
}
.ltt-wrap .ltt-tag-l5 {
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}
.ltt-wrap .ltt-tag-flex {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

/* ============================================================
   FAQ (Bootstrap accordion overrides)
   ============================================================ */
.ltt-wrap .ltt-faq .accordion { --bs-accordion-border-width: 0; }
.ltt-wrap .ltt-faq .accordion-item {
  background: #fff;
  border: 1px solid var(--ltt-border) !important;
  border-radius: var(--ltt-radius) !important;
  margin-bottom: 12px;
  box-shadow: var(--ltt-shadow-sm);
  overflow: hidden;
}
.ltt-wrap .ltt-faq .accordion-item:hover {
  border-color: var(--ltt-border-accent) !important;
  box-shadow: var(--ltt-shadow);
}
.ltt-wrap .ltt-faq .accordion-item.active,
.ltt-wrap .ltt-faq .accordion-item:has(.accordion-collapse.show) {
  border-color: var(--ltt-border-accent) !important;
  background: var(--ltt-bg-warm);
}
.ltt-wrap .ltt-faq .accordion-button {
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ltt-primary-dark);
  background: transparent;
  padding: 18px 22px;
  box-shadow: none !important;
  gap: 12px;
}
.ltt-wrap .ltt-faq .accordion-button:not(.collapsed) {
  color: var(--ltt-primary-dark);
  background: transparent;
}
.ltt-wrap .ltt-faq .accordion-button::after {
  background-image: none;
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--ltt-muted);
  width: auto;
  height: auto;
  transform: none;
}
.ltt-wrap .ltt-faq .accordion-button:not(.collapsed)::after {
  content: "\2212";
  color: var(--ltt-primary);
  transform: none;
}
.ltt-wrap .ltt-faq .accordion-body {
  padding: 0 22px 18px;
  color: var(--ltt-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  border-top: 1px solid var(--ltt-border);
  margin: 0 22px;
  padding: 14px 0 18px;
}

/* ============================================================
   CTA box
   ============================================================ */
.ltt-wrap .ltt-cta-box {
  border-radius: var(--ltt-radius-lg);
  padding: 36px 40px;
  background: linear-gradient(135deg, var(--ltt-primary-dark) 0%, var(--ltt-primary) 50%, var(--ltt-primary-light) 100%);
  color: #fff;
  box-shadow: 0 12px 36px rgba(120, 53, 15, 0.25);
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 32px;
  align-items: center;
  margin-top: 56px;
  position: relative;
  overflow: hidden;
}
.ltt-wrap .ltt-cta-box::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  bottom: -80px;
  right: -40px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}
.ltt-wrap .ltt-cta-box h2 {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.25;
  font-weight: 800;
}
.ltt-wrap .ltt-cta-box p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1rem;
  line-height: 1.65;
}
.ltt-wrap .ltt-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}
.ltt-wrap .ltt-btn-light {
  background: #fff;
  color: var(--ltt-primary-dark);
  border: 1px solid rgba(255, 255, 255, 0.6);
  font-weight: 700;
}
.ltt-wrap .ltt-btn-light:hover {
  background: var(--ltt-bg-warm);
  color: var(--ltt-primary-dark);
  transform: translateY(-1px);
}
.ltt-wrap .ltt-btn-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
}
.ltt-wrap .ltt-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-1px);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .ltt-wrap .ltt-hero-grid,
  .ltt-wrap .ltt-cta-box { grid-template-columns: 1fr; }
  .ltt-wrap .ltt-cta-actions { justify-content: flex-start; }
  .ltt-wrap .ltt-cta-box { padding: 28px; }
}
@media (max-width: 720px) {
  .ltt-wrap .ltt-timeline { grid-template-columns: 1fr; }
  .ltt-wrap .ltt-cards,
  .ltt-wrap .ltt-featured,
  .ltt-wrap .ltt-note-row,
  .ltt-wrap .ltt-topic-grid { grid-template-columns: 1fr 1fr; }
  .ltt-wrap .ltt-hero-panel { padding: 20px; }
}
@media (max-width: 480px) {
  .ltt-wrap .ltt-topic-grid,
  .ltt-wrap .ltt-note-row,
  .ltt-wrap .ltt-cards { grid-template-columns: 1fr; }
  .ltt-wrap .ltt-timeline-item { grid-template-columns: 1fr; }
  .ltt-wrap .ltt-phase { padding-bottom: 4px; }
  .ltt-wrap .ltt-hero-title { font-size: 1.5rem; }
  .ltt-wrap .ltt-section { padding-top: 40px; }
  .ltt-wrap .ltt-cta-box { padding: 24px; gap: 20px; }
}

/* ============================================================
   Phase system — color coding, badges & enhanced hierarchy
   ============================================================ */

/* --- Counter reset for sequential topic numbering --- */
.ltt-wrap { counter-reset: ltt-card-num; }

/* Sequential number prefix on every topic card h4 */
.ltt-wrap .ltt-topic-card-top h4::before {
  counter-increment: ltt-card-num;
  content: counter(ltt-card-num, decimal-leading-zero);
  font-size: 0.6rem;
  font-weight: 800;
  color: var(--ltt-muted);
  opacity: 0.55;
  letter-spacing: 0.05em;
  margin-right: 5px;
  vertical-align: middle;
}

/* --- Phase badge pill --- */
.ltt-wrap .ltt-phase-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px 3px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.5;
}
.ltt-wrap .ltt-phase-badge--gd1 { background: #d97706; color: #fff; }
.ltt-wrap .ltt-phase-badge--gd2 { background: #0284c7; color: #fff; }
.ltt-wrap .ltt-phase-badge--gd3 { background: #7c3aed; color: #fff; }
.ltt-wrap .ltt-phase-badge--gd4 { background: #059669; color: #fff; }

/* --- Phase-colored left border on topic cards --- */
.ltt-wrap .ltt-topic-block--gd1 .ltt-topic-card { border-left: 3px solid #fbbf24; }
.ltt-wrap .ltt-topic-block--gd2 .ltt-topic-card { border-left: 3px solid #38bdf8; }
.ltt-wrap .ltt-topic-block--gd3 .ltt-topic-card { border-left: 3px solid #a78bfa; }
.ltt-wrap .ltt-topic-block--gd4 .ltt-topic-card { border-left: 3px solid #34d399; }

/* Block title accent color per phase */
.ltt-wrap .ltt-topic-block--gd1 .ltt-topic-block-title { color: #d97706; }
.ltt-wrap .ltt-topic-block--gd2 .ltt-topic-block-title { color: #0284c7; }
.ltt-wrap .ltt-topic-block--gd3 .ltt-topic-block-title { color: #7c3aed; }
.ltt-wrap .ltt-topic-block--gd4 .ltt-topic-block-title { color: #059669; }

/* --- Improved card link — pill button --- */
.ltt-wrap .ltt-card-link {
  background: var(--ltt-bg-warm);
  border: 1px solid var(--ltt-border-accent);
  border-radius: 999px;
  padding: 5px 14px;
  transition: color 0.2s, gap 0.2s, background 0.22s, border-color 0.22s;
}
.ltt-wrap .ltt-card-link:hover {
  background: var(--ltt-primary-dark);
  color: #fff;
  border-color: var(--ltt-primary-dark);
}
.ltt-wrap .ltt-card-link:hover span { color: #fff; }

/* --- Section header left accent bar --- */
.ltt-wrap .ltt-section-header h2 {
  padding-left: 14px;
  border-left: 4px solid var(--ltt-primary);
}

/* --- Table: sticky header --- */
.ltt-wrap .ltt-roadmap-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  box-shadow: 0 1px 0 var(--ltt-border);
}

/* --- Table: phase group header rows --- */
.ltt-wrap .ltt-table-phase-head td {
  padding: 9px 18px;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-bottom: none;
}
.ltt-wrap .ltt-table-phase-head .ltt-phase-badge {
  margin-right: 8px;
  vertical-align: middle;
}
.ltt-wrap .ltt-table-phase-head--gd1 td { background: #fffbeb; color: #d97706; }
.ltt-wrap .ltt-table-phase-head--gd2 td { background: #f0f9ff; color: #0284c7; }
.ltt-wrap .ltt-table-phase-head--gd3 td { background: #fefce8; color: #a16207; }
.ltt-wrap .ltt-table-phase-head--gd4 td { background: #ecfdf5; color: #059669; }

/* --- Hero timeline: phase accent border + text color --- */
.ltt-wrap .ltt-timeline-item:nth-child(1) { border-left: 3px solid #fbbf24; }
.ltt-wrap .ltt-timeline-item:nth-child(2) { border-left: 3px solid #38bdf8; }
.ltt-wrap .ltt-timeline-item:nth-child(3) { border-left: 3px solid #a78bfa; }
.ltt-wrap .ltt-timeline-item:nth-child(4) { border-left: 3px solid #34d399; }
.ltt-wrap .ltt-timeline-item:nth-child(1) .ltt-phase { color: #d97706; }
.ltt-wrap .ltt-timeline-item:nth-child(2) .ltt-phase { color: #0284c7; }
.ltt-wrap .ltt-timeline-item:nth-child(3) .ltt-phase { color: #7c3aed; }
.ltt-wrap .ltt-timeline-item:nth-child(4) .ltt-phase { color: #059669; }