.phenomenon-page {
  --accent: var(--purple-600);
  --accent-light: var(--purple-100);
  --teal: var(--purple-700);
  --teal-light: var(--purple-100);
  --amber: #9a3412;
  --amber-light: var(--orange-100);
  --surface: var(--white);
  --surface-2: var(--gray-50);
  --surface-3: var(--gray-100);
  --ink: var(--gray-900);
  --ink-2: var(--gray-700);
  --ink-3: var(--gray-500);
  --border: var(--gray-200);
  --border-strong: var(--gray-300);
  background: var(--gray-50);
  padding: 0 0 var(--section-pad);
}

.phenomenon-page .resource-toolbar {
  position: sticky;
  top: var(--nav-height);
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.phenomenon-page .resource-toolbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.phenomenon-page .resource-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--purple-700);
  white-space: nowrap;
}

.phenomenon-page .nav-tabs {
  display: flex;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.phenomenon-page .nav-tab {
  flex: 0 0 auto;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  padding: 18px 16px 15px;
  color: var(--gray-500);
  font: 700 0.82rem/1.2 var(--font-body);
  cursor: pointer;
  white-space: nowrap;
}

.phenomenon-page .nav-tab:hover {
  color: var(--purple-700);
}

.phenomenon-page .nav-tab:focus-visible {
  outline: 3px solid rgba(139, 26, 46, 0.24);
  outline-offset: -4px;
}

.phenomenon-page .nav-tab.active {
  color: var(--purple-700);
  border-bottom-color: var(--orange-600);
}

.phenomenon-page .nav-badge {
  display: inline-block;
  margin-left: 5px;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--purple-100);
  color: var(--purple-700);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.phenomenon-page .resource-back-row {
  max-width: 1000px;
  margin: 0 auto;
  padding: 28px 24px 0;
}

.phenomenon-page .resource-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--purple-700);
  font-size: 0.9rem;
  font-weight: 700;
}

.phenomenon-page .resource-back-link:hover {
  color: var(--orange-600);
}

.phenomenon-page .panel {
  display: none;
  max-width: 1000px;
  margin: 28px auto 0;
  padding: clamp(32px, 6vw, 64px);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.phenomenon-page .panel.active {
  display: block;
}

.phenomenon-page .eyebrow {
  margin-bottom: 12px;
  color: var(--purple-600);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.phenomenon-page .panel-title {
  max-width: 760px;
  margin-bottom: 16px;
  color: var(--gray-900);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.phenomenon-page .panel-title em {
  color: var(--orange-600);
  font-style: normal;
}

.phenomenon-page .panel-section-title {
  margin-bottom: 12px;
  color: var(--gray-900);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  line-height: 1.25;
}

.phenomenon-page h4 {
  margin-bottom: 8px;
  color: var(--gray-700);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.phenomenon-page p {
  margin-bottom: 16px;
  color: var(--gray-700);
  font-size: 1rem;
  line-height: 1.75;
}

.phenomenon-page .lead {
  max-width: 820px;
  margin-bottom: 24px;
  color: var(--gray-700);
  font-size: 1.14rem;
  line-height: 1.7;
}

.phenomenon-page .hero-rule {
  width: 56px;
  height: 4px;
  margin: 16px 0 24px;
  border-radius: var(--radius-full);
  background: var(--gradient-main);
}

.phenomenon-page .rule {
  margin: 40px 0;
  border: 0;
  border-top: 1px solid var(--gray-200);
}

.phenomenon-page .callout {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--purple-600);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--purple-100);
}

.phenomenon-page .callout p {
  margin: 0;
  color: var(--gray-700);
  font-size: 0.95rem;
}

.phenomenon-page .callout-teal {
  border-left-color: var(--purple-700);
  background: var(--purple-100);
}

.phenomenon-page .callout-amber {
  border-left-color: var(--orange-600);
  background: var(--orange-100);
}

.phenomenon-page .card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.phenomenon-page .card {
  padding: 22px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  box-shadow: none;
}

.phenomenon-page .card:hover {
  transform: none;
  border-color: var(--purple-100);
  box-shadow: var(--shadow-sm);
}

.phenomenon-page .card-accent {
  background: var(--white);
  border-top: 3px solid var(--purple-600);
}

.phenomenon-page .card-num {
  margin-bottom: 10px;
  color: var(--orange-600);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.phenomenon-page .card p {
  margin: 0;
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.65;
}

.phenomenon-page .two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
  margin: 24px 0;
}

.phenomenon-page .blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  border-left: 4px solid var(--orange-500);
  color: var(--gray-700);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.55;
}

.phenomenon-page .simple-table {
  width: 100%;
  margin: 16px 0;
  border-collapse: collapse;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.phenomenon-page .simple-table th {
  padding: 12px 14px;
  border-bottom: 1px solid var(--gray-300);
  background: var(--purple-100);
  color: var(--purple-800);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.phenomenon-page .simple-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
  vertical-align: top;
}

.phenomenon-page .simple-table tr:last-child td {
  border-bottom: 0;
}

.phenomenon-page .checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.phenomenon-page .checklist li {
  position: relative;
  padding-left: 28px;
  color: var(--gray-700);
  font-size: 0.94rem;
  line-height: 1.55;
}

.phenomenon-page .checklist li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  color: var(--purple-600);
  font-weight: 900;
}

.phenomenon-page .steels-bar,
.phenomenon-page .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.phenomenon-page .steels-pill,
.phenomenon-page .tag,
.phenomenon-page .phase-time {
  display: inline-flex;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  background: var(--purple-100);
  color: var(--purple-700);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.035em;
}

.phenomenon-page .tag.red {
  background: var(--purple-100);
  color: var(--purple-700);
}

.phenomenon-page .tag.amber {
  background: var(--orange-100);
  color: var(--amber);
}

.phenomenon-page .phase-list {
  display: flex;
  flex-direction: column;
  margin: 24px 0;
}

.phenomenon-page .phase {
  position: relative;
  display: grid;
  grid-template-columns: 64px 1fr;
}

.phenomenon-page .phase:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 42px;
  bottom: 0;
  left: 31px;
  width: 2px;
  background: var(--gray-200);
}

.phenomenon-page .phase-marker {
  display: flex;
  justify-content: center;
}

.phenomenon-page .phase-dot {
  position: relative;
  z-index: 1;
  display: flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--purple-600);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
}

.phenomenon-page .phase-dot.teal {
  background: var(--purple-700);
}

.phenomenon-page .phase-dot.amber {
  background: var(--orange-600);
}

.phenomenon-page .phase-dot.gray {
  background: var(--gray-700);
}

.phenomenon-page .phase-content {
  padding: 0 0 36px 16px;
}

.phenomenon-page .phase-label {
  margin-bottom: 4px;
  color: var(--gray-500);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.phenomenon-page .phase-title {
  margin-bottom: 8px;
  color: var(--gray-900);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
}

.phenomenon-page .phase-time {
  margin-bottom: 12px;
  background: var(--gray-100);
  color: var(--gray-600);
}

.phenomenon-page .stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.phenomenon-page .stat-card {
  padding: 20px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  box-shadow: none;
  text-align: left;
}

.phenomenon-page .stat-num {
  color: var(--purple-600);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.phenomenon-page .stat-label {
  margin-top: 6px;
  color: var(--gray-500);
  font-size: 0.8rem;
}

.phenomenon-page .icon-circle {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--purple-100);
  color: var(--purple-700);
}

.phenomenon-page .icon-circle svg {
  width: 19px;
  height: 19px;
}

.phenomenon-page .print-hint {
  margin-top: 32px;
  color: var(--gray-500);
  font-size: 0.76rem;
  font-style: italic;
  text-align: right;
}

@media (max-width: 800px) {
  .phenomenon-page .resource-toolbar-inner {
    display: block;
    padding: 0 16px;
  }

  .phenomenon-page .resource-name {
    display: block;
    padding-top: 12px;
  }

  .phenomenon-page .nav-tab {
    padding: 14px 13px 12px;
  }

  .phenomenon-page .panel {
    margin: 20px 16px 0;
    padding: 32px 22px;
  }

  .phenomenon-page .two-col,
  .phenomenon-page .stat-row {
    grid-template-columns: 1fr;
  }

  .phenomenon-page .simple-table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .phenomenon-page .resource-name {
    display: none;
  }

  .phenomenon-page .resource-back-row {
    padding-top: 20px;
  }

  .phenomenon-page .phase {
    grid-template-columns: 48px 1fr;
  }

  .phenomenon-page .phase:not(:last-child)::after {
    left: 23px;
  }
}