/* ============================================
   RETIREMENT CALCULATOR — page styles
   Accent: blue (#60a5fa dark / #2563eb light) — Finance category
   ============================================ */

/* ---- Page wrapper ---- */
.calc-page {
  position: relative; z-index: 1;
  max-width: 1380px; margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 520px;
  grid-template-rows: auto auto;
  gap: 48px; align-items: start;
}
.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: #60a5fa; }
body.light-theme .calc-breadcrumb a:hover { color: #2563eb; }
.calc-breadcrumb i { font-size: 10px; }

/* ---- Category tag ---- */
.calc-page-tag {
  display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px 4px 8px;
  background: rgba(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.28);
  border-radius: 100px; font-size: 12px; font-weight: 600; color: #60a5fa;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 18px;
}
body.light-theme .calc-page-tag { background: rgba(37,99,235,0.07); border-color: rgba(37,99,235,0.22); color: #2563eb; }

/* ---- Title ---- */
.calc-page-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(28px, 3.2vw, 44px); font-weight: 800;
  line-height: 1.1; letter-spacing: -1.5px; color: var(--text); margin-bottom: 16px;
}
.calc-page-title span { color: #60a5fa; }
body.light-theme .calc-page-title span { color: #2563eb; }
.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: #60a5fa; font-size: 12px; }
body.light-theme .calc-feature-pill i { color: #2563eb; }

/* ---- Content blocks ---- */
.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; }
.content-block code { font-family: 'DM Mono', monospace; font-size: 13px; padding: 1px 5px; background: var(--bg-3); border: 1px solid var(--border); border-radius: 4px; color: #60a5fa; }
body.light-theme .content-block code { color: #2563eb; }

/* Scenario table */
.ret-scenario-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); margin: 14px 0; }
.ret-scenario-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ret-scenario-table thead tr { background: var(--bg-3); }
.ret-scenario-table th { padding: 9px 14px; text-align: left; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim); border-bottom: 1px solid var(--border); white-space: nowrap; }
.ret-scenario-table td { padding: 9px 14px; border-bottom: 1px solid var(--border); color: var(--text-muted); }
.ret-scenario-table tbody tr:last-child td { border-bottom: none; }
.ret-scenario-table tbody tr:nth-child(even) { background: var(--bg-2); }
.scen-badge { display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.scen-cons  { background: rgba(96,165,250,0.12); color: #60a5fa; border: 1px solid rgba(96,165,250,0.3); }
body.light-theme .scen-cons  { background: rgba(37,99,235,0.07);  color: #2563eb; border-color: rgba(37,99,235,0.2); }
.scen-mod   { background: rgba(167,139,250,0.12); color: #a78bfa; border: 1px solid rgba(167,139,250,0.3); }
.scen-agg   { background: rgba(52,211,153,0.12);  color: #34d399;  border: 1px solid rgba(52,211,153,0.3); }
body.light-theme .scen-agg { color: #059669; }
.scen-cust  { background: rgba(251,191,36,0.12);  color: #fbbf24;  border: 1px solid rgba(251,191,36,0.3); }
body.light-theme .scen-cust { color: #d97706; }
.scen-long  { background: rgba(251,113,133,0.12); color: var(--pink); border: 1px solid rgba(251,113,133,0.3); }

/* 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; }
.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: #60a5fa; }
body.light-theme .faq-question:hover { color: #2563eb; }
.faq-question i { font-size: 12px; color: var(--text-dim); flex-shrink: 0; transition: transform var(--transition), color var(--transition); }
.faq-item.open .faq-question i { transform: rotate(180deg); color: #60a5fa; }
body.light-theme .faq-item.open .faq-question i { color: #2563eb; }
.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 */
.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); white-space: nowrap; transition: background var(--transition), border-color var(--transition), color var(--transition); }
.also-search-chip:hover { background: rgba(96,165,250,0.1); border-color: #60a5fa; color: #60a5fa; }
body.light-theme .also-search-chip:hover { background: rgba(37,99,235,0.07); border-color: #2563eb; color: #2563eb; }

/* ============================================
   CALC CARD — 520px
   ============================================ */
.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(96,165,250,0.06);
}
.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(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.26); display: flex; align-items: center; justify-content: center; font-size: 18px; color: #60a5fa; flex-shrink: 0; }
body.light-theme .calc-card-icon { background: rgba(37,99,235,0.07); border-color: rgba(37,99,235,0.22); color: #2563eb; }
.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: 20px 22px 22px; }

/* ============================================
   SCENARIO TAB STRIP
   ============================================ */
.ret-tabs {
  display: flex; background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 3px; gap: 2px; margin-bottom: 12px; overflow-x: auto;
}
.ret-tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 6px; border-radius: 7px; border: none; background: transparent;
  cursor: pointer; font-family: 'DM Sans', sans-serif; font-size: 12px; font-weight: 600;
  color: var(--text-dim); white-space: nowrap; min-width: 64px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.ret-tab:hover:not(.active) { background: var(--bg-2); color: var(--text-muted); }
.ret-tab.active {
  background: var(--surface); color: #60a5fa;
  box-shadow: 0 1px 6px rgba(0,0,0,0.18), 0 0 0 1px rgba(96,165,250,0.22);
}
body.light-theme .ret-tab.active { color: #2563eb; box-shadow: 0 1px 6px rgba(0,0,0,0.10), 0 0 0 1px rgba(37,99,235,0.18); }
.ret-tab-stress { color: var(--pink) !important; }
.ret-tab-stress.active { color: var(--pink) !important; box-shadow: 0 1px 6px rgba(0,0,0,0.18), 0 0 0 1px rgba(251,113,133,0.3) !important; }

/* Scenario hint */
.ret-scenario-hint {
  display: flex; align-items: center; gap: 7px; padding: 8px 12px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 7px;
  font-size: 12px; color: var(--text-dim); margin-bottom: 14px;
}
.ret-scenario-hint i { color: #60a5fa; flex-shrink: 0; }
body.light-theme .ret-scenario-hint i { color: #2563eb; }

/* ============================================
   INPUTS
   ============================================ */
.ret-inputs-grid { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.ret-input-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-label { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.form-label i { color: #60a5fa; font-size: 11px; }
body.light-theme .form-label i { color: #2563eb; }
.form-input {
  width: 100%; padding: 10px 12px; 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: 14px; outline: none; transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield; appearance: none;
}
.form-input::-webkit-outer-spin-button, .form-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.form-input:hover { border-color: var(--border-hover); }
.form-input:focus { border-color: #60a5fa; box-shadow: 0 0 0 3px rgba(96,165,250,0.15); }
body.light-theme .form-input:focus { border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.10); }
.form-input[readonly] { opacity: 0.7; cursor: default; }
.form-input[readonly]:focus { border-color: var(--border); box-shadow: none; }
.form-select { appearance: auto; cursor: pointer; }
.ret-sym { color: #60a5fa; font-weight: 700; font-style: normal; }
body.light-theme .ret-sym { color: #2563eb; }

/* Buttons */
.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; margin-bottom: 8px;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
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); }
.ret-clear-btn { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 9px 16px; background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-dim); font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 600; cursor: pointer; margin-bottom: 10px; transition: background var(--transition), border-color var(--transition), color var(--transition); }
.ret-clear-btn:hover { background: var(--bg-3); border-color: var(--border-hover); color: var(--text); }

/* 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-bottom: 4px; 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; }

/* ============================================
   RESULT CARD
   ============================================ */
.ret-result-card {
  margin-top: 14px; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}

/* 3-hero panels — always stacked */
.ret-hero-grid {
  display: grid; grid-template-columns: 1fr; gap: 0;
  border-bottom: 1px solid var(--border);
}
.ret-hero-panel {
  padding: 14px 16px; display: flex; gap: 12px; align-items: flex-start;
  border-right: none; border-bottom: 1px solid var(--border);
}
.ret-hero-panel:last-child { border-bottom: none; }
.ret-hero-primary { background: linear-gradient(135deg, rgba(96,165,250,0.09) 0%, transparent 60%); }
.ret-hero-icon { flex-shrink: 0; width: 30px; height: 30px; border-radius: 7px; background: rgba(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.24); display: flex; align-items: center; justify-content: center; font-size: 13px; color: #60a5fa; margin-top: 2px; }
body.light-theme .ret-hero-icon { background: rgba(37,99,235,0.07); border-color: rgba(37,99,235,0.20); color: #2563eb; }
.ret-hero-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ret-hero-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ret-hero-val { font-family: 'Bricolage Grotesque', sans-serif; font-size: 17px; font-weight: 800; color: var(--text); line-height: 1.1; word-break: break-all; }
.ret-hero-sub { font-size: 11px; color: var(--text-dim); }

/* ---- Readiness gauge ---- */
.ret-gauge-row {
  display: flex; gap: 14px; align-items: center; padding: 12px 16px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.ret-gauge-wrap { flex: 1; min-width: 200px; }
.ret-gauge-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: #60a5fa; margin-bottom: 8px; }
body.light-theme .ret-gauge-label { color: #2563eb; }
.ret-gauge-track {
  position: relative; height: 20px; border-radius: 10px;
  background: var(--bg-3); border: 1px solid var(--border); overflow: hidden;
}
.ret-gauge-fill {
  position: absolute; top: 0; left: 0; bottom: 0; width: 0%;
  border-radius: 10px; background: linear-gradient(90deg, #60a5fa 0%, #3b82f6 100%);
  transition: width 0.8s cubic-bezier(0.34,1.56,0.64,1);
}
body.light-theme .ret-gauge-fill { background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 100%); }
.ret-gauge-fill.gauge-warn { background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%); }
.ret-gauge-fill.gauge-danger { background: linear-gradient(90deg, var(--pink) 0%, #e11d48 100%); }
.ret-gauge-pct {
  position: absolute; top: 50%; right: 10px; transform: translateY(-50%);
  font-family: 'DM Mono', monospace; font-size: 11px; font-weight: 700;
  color: var(--text); text-shadow: 0 1px 3px rgba(0,0,0,0.3); mix-blend-mode: normal;
}
.ret-gauge-legend { font-size: 11px; color: var(--text-dim); margin-top: 5px; }

/* Inflation toggle */
.ret-inflation-toggle-wrap { flex-shrink: 0; }
.ret-toggle-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); margin-bottom: 6px; }
.ret-toggle-group { display: flex; background: var(--bg-3); border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.ret-toggle-btn { flex: 1; padding: 7px 10px; border: none; background: transparent; cursor: pointer; font-family: 'DM Sans', sans-serif; font-size: 11px; font-weight: 600; color: var(--text-dim); transition: background var(--transition), color var(--transition); white-space: nowrap; }
.ret-toggle-btn.active { background: #60a5fa; color: #0c0f1a; }
body.light-theme .ret-toggle-btn.active { background: #2563eb; color: #fff; }

/* ---- Dual charts — always stacked ---- */
.ret-charts-row { display: grid; grid-template-columns: 1fr; gap: 0; border-bottom: 1px solid var(--border); }
.ret-chart-panel { padding: 12px 14px 14px; border-right: none; border-bottom: 1px solid var(--border); }
.ret-chart-panel:last-child { border-bottom: none; }
.ret-chart-title { display: flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #60a5fa; margin-bottom: 10px; }
body.light-theme .ret-chart-title { color: #2563eb; }
.ret-chart-canvas { width: 100% !important; max-height: 200px; }

/* ---- Key stats row — always 2-col ---- */
.ret-stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-bottom: 1px solid var(--border); }
.ret-stat-chip { padding: 10px 12px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.ret-stat-chip:nth-child(2n) { border-right: none; }
.ret-stat-chip:nth-last-child(-n+2) { border-bottom: none; }
.ret-stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); font-weight: 600; margin-bottom: 3px; }
.ret-stat-val { font-family: 'Bricolage Grotesque', sans-serif; font-size: 14px; font-weight: 800; color: var(--text); word-break: break-word; }

/* Result note */
.result-note { display: flex; align-items: flex-start; gap: 8px; padding: 10px 16px; font-size: 11px; color: var(--text-dim); background: var(--surface); line-height: 1.6; }
.result-note i { color: #60a5fa; font-size: 11px; flex-shrink: 0; margin-top: 1px; }
body.light-theme .result-note i { color: #2563eb; }

/* ============================================
   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: 1380px; 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(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.24); border-radius: 100px; font-size: 12px; font-weight: 600; color: #60a5fa; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
body.light-theme .topic-cluster-tag { background: rgba(37,99,235,0.07); border-color: rgba(37,99,235,0.2); color: #2563eb; }
.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 #60a5fa; border-radius: var(--radius); padding: 22px; position: relative; }
body.light-theme .cluster-primary { border-color: #2563eb; }
.cluster-primary::before { content: ''; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(135deg, rgba(96,165,250,0.07) 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: #60a5fa; margin-bottom: 10px; }
body.light-theme .cluster-primary-label { color: #2563eb; }
.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(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.22); border-radius: 100px; font-size: 11px; font-weight: 600; color: #60a5fa; }
body.light-theme .cluster-keywords span { background: rgba(37,99,235,0.07); border-color: rgba(37,99,235,0.18); color: #2563eb; }
.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(96,165,250,0.10); display: flex; align-items: center; justify-content: center; font-size: 15px; color: #60a5fa; }
body.light-theme .cluster-link-icon { background: rgba(37,99,235,0.07); color: #2563eb; }
.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: #60a5fa; }
body.light-theme .cluster-link-item:hover .cluster-link-arrow { color: #2563eb; }
.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: #60a5fa; transform: translateY(-3px); box-shadow: var(--shadow); }
body.light-theme .crosslink-card:hover { border-color: #2563eb; }
.crosslink-card i { font-size: 20px; color: #60a5fa; }
body.light-theme .crosslink-card i { color: #2563eb; }
.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 + fade-up */
.ad-slot { position: relative; z-index: 1; max-width: 1380px; margin: 0 auto; padding: 0 24px 40px; }
.ad-slot > div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .calc-page { grid-template-columns: 1fr; padding: 32px 20px 60px; gap: 32px; }
  .calc-page-info { position: static; }
  .calc-panel { position: static; order: 2; }
  .calc-page-content { order: 3; }
  .cluster-grid { grid-template-columns: 1fr; }
  .crosslink-grid { grid-template-columns: 1fr 1fr; }

}
@media (max-width: 640px) {
  .calc-page { padding: 24px 16px 48px; }
  .crosslink-grid { grid-template-columns: 1fr; }
  .topic-cluster-inner { padding: 36px 16px; }
  .ret-input-row { grid-template-columns: 1fr 1fr; }
  .ret-tabs { overflow-x: auto; }
}
@media (max-width: 420px) {
  .ret-input-row { grid-template-columns: 1fr; }
}

@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);
  }
}