/* ============================================
   IDEAL WEIGHT CALCULATOR — page-specific styles
   Accent: teal/emerald — Fitness & Health
   Inherits variables from css/styles.css
   ============================================ */

/* ---- Page wrapper ---- */
.calc-page {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 440px;
  grid-template-rows: auto auto;
  gap: 48px;
  align-items: start;
}

/* ---- Left column ---- */
.calc-page-info {
  position: static;
}

/* Breadcrumb */
.calc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.calc-breadcrumb a { color: var(--text-dim); transition: color var(--transition); }
.calc-breadcrumb a:hover { color: var(--accent); }
.calc-breadcrumb i { font-size: 10px; }

/* Category tag — teal for Fitness & Health */
.calc-page-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px 4px 8px;
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.25);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #14b8a6;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
body.light-theme .calc-page-tag {
  background: rgba(13, 148, 136, 0.08);
  border-color: rgba(13, 148, 136, 0.2);
  color: #0d9488;
}
.calc-page-tag i { font-size: 13px; }

/* Page title */
.calc-page-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(28px, 3.2vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 16px;
}
.calc-page-title span { color: #14b8a6; }
body.light-theme .calc-page-title span { color: #0d9488; }

/* Description */
.calc-page-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* Feature pills */
.calc-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.calc-feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.calc-feature-pill i { color: #14b8a6; font-size: 12px; }
body.light-theme .calc-feature-pill i { color: #0d9488; }

/* Content body */
.calc-page-content {
  margin-top: 0;
  min-width: 0;
}
.calc-page-content.fade-up {
  opacity: 1;
  transform: none;
  animation: none;
  transition: none;
  visibility: visible;
}

.content-block { margin-bottom: 40px; }
.content-block h2 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 14px;
}
.content-block p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.content-block strong { color: var(--text); font-weight: 600; }

/* Optional tag */
.optional-tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

/* ============================================
   FORMULA CARDS GRID
   ============================================ */
.formula-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 18px 0;
}
.formula-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  transition: border-color var(--transition);
}
.formula-card:hover { border-color: var(--border-hover); }
.formula-card-primary {
  border-color: #14b8a6;
  background: linear-gradient(135deg, rgba(20,184,166,0.06) 0%, var(--surface) 70%);
}
body.light-theme .formula-card-primary {
  border-color: #0d9488;
  background: linear-gradient(135deg, rgba(13,148,136,0.05) 0%, transparent 70%);
}
.formula-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.formula-card-header strong {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.formula-card-badge {
  padding: 2px 9px;
  background: rgba(20,184,166,0.15);
  border: 1px solid rgba(20,184,166,0.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  color: #14b8a6;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
body.light-theme .formula-card-badge {
  background: rgba(13,148,136,0.1);
  border-color: rgba(13,148,136,0.25);
  color: #0d9488;
}
.formula-box-inline {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 10px;
}
.formula-line {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  line-height: 2;
  color: var(--text-muted);
}
.fvar {
  color: #14b8a6;
  font-weight: 600;
  margin-right: 6px;
}
body.light-theme .fvar { color: #0d9488; }
.formula-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0;
}

/* Compare table */
.compare-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 16px 0;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table thead tr { background: var(--bg-3); }
body.light-theme .compare-table thead tr { background: var(--surface-2, #f1f5f9); }
.compare-table th {
  padding: 10px 14px;
  text-align: left;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.compare-table td {
  padding: 10px 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:nth-child(even) { background: var(--bg-2); }
.compare-table td:first-child { font-weight: 700; color: var(--text); white-space: nowrap; }

/* Factors grid */
.factors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 18px 0;
}
.factor-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.factor-card:hover { border-color: var(--border-hover); }
.factor-icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 8px;
  background: rgba(20,184,166,0.12);
  border: 1px solid rgba(20,184,166,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: #14b8a6;
}
body.light-theme .factor-icon {
  background: rgba(13,148,136,0.08);
  border-color: rgba(13,148,136,0.15);
  color: #0d9488;
}
.factor-body { display: flex; flex-direction: column; gap: 5px; }
.factor-body strong { font-size: 14px; font-weight: 700; color: var(--text); }
.factor-body span   { font-size: 12px; line-height: 1.6; color: var(--text-dim); }

/* Tip card */
.iw-tip-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid #14b8a6;
  border-radius: var(--radius);
  margin: 16px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}
body.light-theme .iw-tip-card { border-left-color: #0d9488; }
.iw-tip-card i { color: #14b8a6; font-size: 18px; flex-shrink: 0; margin-top: 2px; }
body.light-theme .iw-tip-card i { color: #0d9488; }
.iw-tip-card strong { color: var(--text); }

/* Steps */
.steps-list {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 14px 0;
}
.steps-list li {
  counter-increment: steps;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}
.steps-list li::before {
  content: counter(steps);
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(20,184,166,0.12);
  border: 1px solid rgba(20,184,166,0.25);
  color: #14b8a6;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
body.light-theme .steps-list li::before {
  background: rgba(13,148,136,0.08);
  border-color: rgba(13,148,136,0.2);
  color: #0d9488;
}
.steps-list li strong { color: var(--text); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--border-hover); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: #14b8a6; }
body.light-theme .faq-question:hover { color: #0d9488; }
.faq-question i {
  font-size: 12px;
  color: var(--text-dim);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(180deg); color: #14b8a6; }
body.light-theme .faq-item.open .faq-question i { color: #0d9488; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 14px; line-height: 1.75;
  color: var(--text-muted);
  padding: 0 18px;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 18px 16px; }

/* Also-search chips */
.also-search-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.also-search-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 100px; font-size: 13px; font-weight: 500;
  color: var(--text-muted);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.also-search-chip:hover {
  background: rgba(20,184,166,0.1);
  border-color: #14b8a6;
  color: #14b8a6;
}
body.light-theme .also-search-chip:hover {
  background: rgba(13,148,136,0.07);
  border-color: #0d9488;
  color: #0d9488;
}
.also-search-chip i { font-size: 12px; }

/* ============================================
   CALC CARD (right column)
   ============================================ */
.calc-panel {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.calc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(20,184,166,0.07);
}

/* Card header (mobile only) */
.calc-card-header {
  padding: 20px 24px 18px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: none;
  align-items: center;
  gap: 12px;
}
@media (max-width: 1024px) { .calc-card-header { display: flex; } }
.calc-card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(20,184,166,0.12);
  border: 1px solid rgba(20,184,166,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #14b8a6; flex-shrink: 0;
}
body.light-theme .calc-card-icon {
  background: rgba(13,148,136,0.08);
  border-color: rgba(13,148,136,0.2);
  color: #0d9488;
}
.calc-card-header-text h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.calc-card-header-text p  { font-size: 12px; color: var(--text-dim); }
.calc-card-body { padding: 24px; }

/* Form elements */
.form-group { margin-bottom: 16px; }
.form-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-label i { color: #14b8a6; font-size: 12px; }
body.light-theme .form-label i { color: #0d9488; }

/* Segmented toggle */
.segmented-toggle {
  display: flex;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}
.seg-opt {
  flex: 1;
  padding: 8px 10px;
  border: none;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.seg-opt:hover { color: var(--text); }
.seg-opt.active {
  background: var(--surface);
  color: #14b8a6;
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
body.light-theme .seg-opt.active { color: #0d9488; }

.form-divider { height: 1px; background: var(--border); margin: 16px 0; }

/* Inputs */
.form-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.form-input:hover { border-color: var(--border-hover); }
.form-input:focus {
  border-color: #14b8a6;
  box-shadow: 0 0 0 3px rgba(20,184,166,0.15);
  background: var(--surface);
}
body.light-theme .form-input:focus {
  border-color: #0d9488;
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}
.form-input.error {
  border-color: var(--pink) !important;
  box-shadow: 0 0 0 3px var(--pink-dim) !important;
}

/* Input with suffix */
.input-with-suffix {
  position: relative;
  display: flex;
  align-items: center;
}
.input-with-suffix .form-input { padding-right: 44px; }
.input-suffix {
  position: absolute;
  right: 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  pointer-events: none;
}

/* Imperial height row */
.imperial-height-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.imperial-field { position: relative; display: flex; align-items: center; }
.imperial-field .form-input { padding-right: 36px; }
.imperial-unit {
  position: absolute; right: 12px;
  font-size: 13px; font-weight: 600; color: var(--text-dim);
  pointer-events: none;
}

/* Form hint */
.form-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 7px;
}
.form-hint i { color: #14b8a6; font-size: 11px; }
body.light-theme .form-hint i { color: #0d9488; }

/* Calculate button */
.calc-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  background: var(--accent);
  color: #0c0f1a;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  margin-top: 4px;
}
body.light-theme .calc-btn-primary { color: #fff; }
.calc-btn-primary::after { content: ''; position: absolute; inset: 0; background: #000; opacity: 0; transition: opacity 0.15s; }
.calc-btn-primary:hover { box-shadow: 0 4px 20px var(--accent-glow); }
.calc-btn-primary:hover::after { opacity: 0.06; }
.calc-btn-primary:active { transform: scale(0.98); }

/* Error toast */
.calc-error {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--pink-dim);
  border: 1px solid rgba(251,113,133,0.3);
  border-radius: var(--radius-sm);
  color: var(--pink);
  font-size: 14px; font-weight: 500;
  margin-top: 12px;
  opacity: 0; transform: translateY(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.calc-error.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

.hidden { display: none !important; }

/* ============================================
   RESULT CARD
   ============================================ */
.result-card {
  margin-top: 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.result-card.show { display: block; opacity: 1; transform: translateY(0); }

/* Hero */
.result-hero {
  padding: 20px 24px 16px;
  background: linear-gradient(135deg, rgba(20,184,166,0.08) 0%, transparent 60%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.result-hero-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.result-iw-main {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text);
  line-height: 1.1;
  word-break: break-word;
}
.result-hero-sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
}

/* ============================================
   FORMULA TABLE
   ============================================ */
.iw-table-wrap {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.iw-table-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.iw-table-title i { color: #14b8a6; }
body.light-theme .iw-table-title i { color: #0d9488; }
.iw-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.iw-table thead tr { background: var(--bg-3); }
body.light-theme .iw-table thead tr { background: var(--surface-2, #f1f5f9); }
.iw-table th {
  padding: 9px 14px;
  text-align: left;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.iw-table td {
  padding: 10px 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  line-height: 1.4;
}
.iw-table tbody tr:last-child td { border-bottom: none; }
.iw-table tbody tr:nth-child(even) { background: var(--bg-2); }
.iw-table td:first-child { font-weight: 600; color: var(--text); }
.iw-table td:last-child {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-align: right;
  white-space: nowrap;
}
/* Highlighted primary row (Devine) */
.iw-table .row-primary td {
  color: #14b8a6 !important;
  background: rgba(20,184,166,0.06) !important;
}
body.light-theme .iw-table .row-primary td {
  color: #0d9488 !important;
  background: rgba(13,148,136,0.05) !important;
}
/* BMI range row — different style */
.iw-table .row-bmi td {
  font-style: italic;
  color: var(--text-dim) !important;
}
.iw-table .row-bmi td:last-child {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted) !important;
}

/* ============================================
   STATS GRID
   ============================================ */
.iw-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.iw-stat {
  padding: 14px 18px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.iw-stat-full { grid-column: 1 / -1; }
.iw-stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
}
.iw-stat-value {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.2px;
}

/* ============================================
   TOPIC CLUSTER
   ============================================ */
.topic-cluster-section {
  position: relative; z-index: 1;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.topic-cluster-inner { max-width: 1280px; margin: 0 auto; padding: 56px 24px; }
.topic-cluster-header { max-width: 680px; margin-bottom: 40px; }
.topic-cluster-tag {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 12px 4px 8px;
  background: rgba(20,184,166,0.12); border: 1px solid rgba(20,184,166,0.22);
  border-radius: 100px; font-size: 12px; font-weight: 600; color: #14b8a6;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px;
}
body.light-theme .topic-cluster-tag { background: rgba(13,148,136,0.07); border-color: rgba(13,148,136,0.2); color: #0d9488; }
.topic-cluster-header h2 { font-family: 'Bricolage Grotesque', sans-serif; font-size: clamp(22px,2.5vw,30px); font-weight: 800; letter-spacing: -0.8px; color: var(--text); margin-bottom: 12px; }
.topic-cluster-header p { font-size: 15px; line-height: 1.75; color: var(--text-muted); }
.cluster-grid { display: grid; grid-template-columns: 280px 1fr; gap: 24px; margin-bottom: 40px; align-items: start; }
.cluster-primary {
  background: var(--surface);
  border: 2px solid #14b8a6;
  border-radius: var(--radius); padding: 22px; position: relative;
}
body.light-theme .cluster-primary { border-color: #0d9488; }
.cluster-primary::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(20,184,166,0.07) 0%, transparent 60%); pointer-events: none;
}
.cluster-primary-label { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #14b8a6; margin-bottom: 10px; }
body.light-theme .cluster-primary-label { color: #0d9488; }
.cluster-primary h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; position: relative; }
.cluster-primary p { font-size: 13px; line-height: 1.65; color: var(--text-muted); margin-bottom: 14px; position: relative; }
.cluster-keywords { display: flex; flex-wrap: wrap; gap: 6px; position: relative; }
.cluster-keywords span { padding: 3px 9px; background: rgba(20,184,166,0.1); border: 1px solid rgba(20,184,166,0.2); border-radius: 100px; font-size: 11px; font-weight: 600; color: #14b8a6; }
body.light-theme .cluster-keywords span { background: rgba(13,148,136,0.07); border-color: rgba(13,148,136,0.18); color: #0d9488; }
.cluster-links { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cluster-links h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 14px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; padding: 14px 20px; border-bottom: 1px solid var(--border); background: var(--bg-3); }
.cluster-link-list { display: flex; flex-direction: column; }
.cluster-link-item { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid var(--border); transition: background var(--transition); }
.cluster-link-item:last-child { border-bottom: none; }
.cluster-link-item:hover { background: var(--bg-3); }
.cluster-link-icon { flex-shrink: 0; width: 34px; height: 34px; border-radius: 8px; background: rgba(20,184,166,0.1); display: flex; align-items: center; justify-content: center; font-size: 15px; color: #14b8a6; }
body.light-theme .cluster-link-icon { background: rgba(13,148,136,0.07); color: #0d9488; }
.cluster-link-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.cluster-link-text strong { font-size: 14px; font-weight: 600; color: var(--text); }
.cluster-link-text span { font-size: 12px; color: var(--text-dim); }
.cluster-link-arrow { color: var(--text-dim); font-size: 12px; transition: transform var(--transition), color var(--transition); }
.cluster-link-item:hover .cluster-link-arrow { transform: translateX(3px); color: #14b8a6; }
body.light-theme .cluster-link-item:hover .cluster-link-arrow { color: #0d9488; }
.cluster-link-all { background: var(--bg-2); }
.cluster-crosslinks { padding-top: 32px; border-top: 1px solid var(--border); }
.cluster-crosslinks h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 18px; font-weight: 700; letter-spacing: -0.3px; color: var(--text); margin-bottom: 6px; }
.cluster-crosslinks > p { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.crosslink-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.crosslink-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
.crosslink-card:hover { border-color: #14b8a6; transform: translateY(-3px); box-shadow: var(--shadow); }
body.light-theme .crosslink-card:hover { border-color: #0d9488; }
.crosslink-card i { font-size: 20px; color: #14b8a6; }
body.light-theme .crosslink-card i { color: #0d9488; }
.crosslink-card strong { font-family: 'Bricolage Grotesque', sans-serif; font-size: 14px; font-weight: 700; color: var(--text); }
.crosslink-card span { font-size: 12px; line-height: 1.5; color: var(--text-dim); }

/* Ad slot */
.ad-slot { position: relative; z-index: 1; max-width: 1280px; margin: 0 auto; padding: 0 24px 40px; }
.ad-slot > div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .calc-page { grid-template-columns: 1fr; padding: 32px 20px 60px; gap: 32px; }
  .calc-panel { position: static; order: 2; }
  .calc-page-content { order: 3; }
  .cluster-grid { grid-template-columns: 1fr; }
  .crosslink-grid { grid-template-columns: 1fr 1fr; }
  .factors-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .calc-page { padding: 24px 16px 48px; gap: 24px; }
  .factors-grid { grid-template-columns: 1fr; }
  .crosslink-grid { grid-template-columns: 1fr; }
  .result-iw-main { font-size: 30px; }
  .iw-stats { grid-template-columns: 1fr; }
  .topic-cluster-inner { padding: 36px 16px; }
  .calc-features { gap: 6px; }
  .formula-cards-grid { gap: 8px; }
}

@media (min-width: 1025px) {
  .calc-page-info {
    grid-row: 1 / 2;
    grid-column: 1 / 2;
  }
  .calc-page-content {
    grid-row: 2 / 3;
    grid-column: 1 / 2;
  }
  .calc-panel {
    grid-row: 1 / 3;
    grid-column: 2 / 3;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}