/* =============================================================
   VITAL POLYMERS — PROCESSING TROUBLESHOOTING GUIDE
   Page-specific styles. Loads AFTER styles.css and reuses its
   design tokens (--navy-*, --steel-*, --ink-*, --font-*, --ease).
   Nothing in styles.css is modified or overridden destructively.
   ============================================================= */

/* Visually-hidden helper (table captions, etc.) */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header scrolls away on this page — the process tabs take over as the
   sticky element, so two bars never compete for the same top offset. */
.tg-page .legal-header { position: static; }

/* ---------- Page-local tokens ---------- */
:root {
  --tg-surface:  var(--steel-500);
  --tg-filling:  var(--navy-500);
  --tg-shrink:   var(--steel-700);
  --tg-contam:   var(--red-accent);
  --tg-demold:   var(--steel-600);

  --tg-rail-w: 88px;
  --tg-shadow-sm: 0 1px 2px rgba(11, 26, 50, 0.04), 0 4px 16px -6px rgba(11, 26, 50, 0.08);
  --tg-shadow-md: 0 2px 4px rgba(11, 26, 50, 0.05), 0 18px 48px -18px rgba(11, 26, 50, 0.22);
}

/* =============================================================
   1. READING PROGRESS
   ============================================================= */
.tg-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--steel-400), var(--navy-500));
  z-index: 200;
  transition: width 90ms linear;
}

/* =============================================================
   2. HERO
   ============================================================= */
.tg-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, var(--navy-700) 0%, var(--navy-500) 52%, var(--steel-700) 100%);
  color: var(--white);
  padding: 88px 0 96px;
}
.tg-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 35%, transparent 100%);
  pointer-events: none;
}
.tg-hero-glow {
  position: absolute;
  width: 620px; height: 620px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.4;
  pointer-events: none;
}
.tg-hero-glow-1 { background: var(--steel-400); top: -260px; right: -120px; }
.tg-hero-glow-2 { background: var(--navy-400);  bottom: -340px; left: -160px; opacity: 0.32; }

.tg-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}
.tg-breadcrumb {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel-200);
  margin-bottom: 26px;
}
.tg-breadcrumb a { color: var(--steel-200); transition: color var(--t-fast); }
.tg-breadcrumb a:hover { color: var(--white); }
.tg-breadcrumb span { color: rgba(255,255,255,0.55); }

.tg-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-200);
  margin-bottom: 22px;
}
.tg-hero-eyebrow::before {
  content: '';
  width: 32px; height: 2px;
  background: var(--steel-400);
}

.tg-hero h1 {
  font-size: clamp(38px, 6vw, 78px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: 24px;
  max-width: 15ch;
  text-wrap: balance;
}
.tg-hero h1 em {
  font-style: normal;
  color: var(--steel-300);
}
.tg-hero-sub {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.65;
  color: rgba(255,255,255,0.78);
  max-width: 62ch;
}

.tg-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 56px;
  margin-top: 48px;
  padding-top: 34px;
  border-top: 1px solid rgba(255,255,255,0.16);
}
.tg-hero-stat-num {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--white);
}
.tg-hero-stat-num sup {
  font-size: 0.42em;
  font-weight: 600;
  color: var(--steel-300);
  vertical-align: super;
  margin-left: 3px;
}
.tg-hero-stat-label {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

/* =============================================================
   3. PROCESS TABS (sticky)
   ============================================================= */
.tg-tabs {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.tg-tabs-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: stretch;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tg-tabs-inner::-webkit-scrollbar { display: none; }

.tg-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 20px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-500);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease);
}
.tg-tab::after {
  content: '';
  position: absolute;
  left: 26px; right: 26px; bottom: 0;
  height: 3px;
  background: var(--navy-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}
.tg-tab:hover { color: var(--navy-500); }
.tg-tab.is-active { color: var(--navy-500); font-weight: 700; }
.tg-tab.is-active::after { transform: scaleX(1); }

.tg-tab-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-400);
  letter-spacing: 0.04em;
}
.tg-tab.is-active .tg-tab-idx { color: var(--steel-400); }

.tg-tab-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-400);
  background: var(--ink-100);
  border-radius: 100px;
  padding: 3px 9px;
}

/* =============================================================
   4. PANELS
   ============================================================= */
.tg-panel { display: none; }
.tg-panel.is-active { display: block; }
.tg-main { background: var(--paper); }

/* =============================================================
   5. INTRO
   ============================================================= */
.tg-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 72px;
  padding: 80px 0 64px;
  align-items: start;
}
.tg-intro-lede {
  font-size: 21px;
  line-height: 1.6;
  color: var(--ink-800);
  font-weight: 500;
  margin-bottom: 20px;
  text-wrap: pretty;
}
.tg-intro p {
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink-600);
  margin-bottom: 15px;
}
.tg-howto {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 32px;
}
.tg-howto h3 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy-500);
  margin-bottom: 20px;
}
.tg-howto ol { list-style: none; counter-reset: howto; }
.tg-howto li {
  counter-increment: howto;
  position: relative;
  padding-left: 38px;
  margin-bottom: 15px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-700);
}
.tg-howto li:last-child { margin-bottom: 0; }
.tg-howto li::before {
  content: counter(howto);
  position: absolute;
  left: 0; top: 0;
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--navy-500);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}
.tg-howto strong { color: var(--ink-900); font-weight: 700; }

/* =============================================================
   6. TOOLBAR (sticky search + filters)
   ============================================================= */
.tg-toolbar {
  position: sticky;
  top: 65px;
  z-index: 80;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  margin-bottom: 48px;
}
.tg-toolbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.tg-search {
  position: relative;
  flex: 1 1 300px;
  min-width: 240px;
  max-width: 420px;
}
.tg-search svg {
  position: absolute;
  left: 15px; top: 50%;
  transform: translateY(-50%);
  color: var(--ink-400);
  pointer-events: none;
}
.tg-search input {
  width: 100%;
  padding: 13px 16px 13px 44px;
  font-size: 15px;
  color: var(--ink-900);
  background: var(--white);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.tg-search input::placeholder { color: var(--ink-400); }
.tg-search input:focus {
  border-color: var(--steel-400);
  box-shadow: 0 0 0 3px rgba(107, 158, 201, 0.18);
}
.tg-search input::-webkit-search-cancel-button { cursor: pointer; }

.tg-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.tg-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-600);
  background: var(--white);
  border: 1px solid var(--border-mid);
  border-radius: 100px;
  transition: all var(--t-fast) var(--ease);
}
.tg-chip::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--chip-c, var(--ink-400));
}
.tg-chip[data-cat="all"]::before { display: none; }
.tg-chip:hover { border-color: var(--steel-400); color: var(--navy-500); }
.tg-chip.is-active {
  background: var(--navy-500);
  border-color: var(--navy-500);
  color: var(--white);
}
.tg-chip[data-cat="surface"]  { --chip-c: var(--tg-surface); }
.tg-chip[data-cat="filling"]  { --chip-c: var(--tg-filling); }
.tg-chip[data-cat="shrink"]   { --chip-c: var(--tg-shrink); }
.tg-chip[data-cat="contam"]   { --chip-c: var(--tg-contam); }
.tg-chip[data-cat="demold"]   { --chip-c: var(--tg-demold); }

.tg-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-500);
  white-space: nowrap;
}
.tg-count b { color: var(--navy-500); font-weight: 700; }

/* =============================================================
   7. DEFECT INDEX (quick-jump chip grid)
   ============================================================= */
.tg-index-wrap { margin-bottom: 76px; }
.tg-index-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.tg-index-head h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy-500);
}
.tg-index-hint { font-size: 13.5px; color: var(--ink-500); }

.tg-index {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(214px, 1fr));
  gap: 8px;
}
.tg-index-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-700);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--idx-c, var(--ink-300));
  transition: all var(--t-fast) var(--ease);
}
.tg-index-item:hover {
  background: var(--ink-50);
  border-color: var(--border-mid);
  border-left-color: var(--idx-c, var(--ink-300));
  transform: translateX(3px);
}
.tg-index-item span.n {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-400);
}
.tg-index-item[data-cat="surface"] { --idx-c: var(--tg-surface); }
.tg-index-item[data-cat="filling"] { --idx-c: var(--tg-filling); }
.tg-index-item[data-cat="shrink"]  { --idx-c: var(--tg-shrink); }
.tg-index-item[data-cat="contam"]  { --idx-c: var(--tg-contam); }
.tg-index-item[data-cat="demold"]  { --idx-c: var(--tg-demold); }

/* =============================================================
   8. FAULT CARDS
   ============================================================= */
.tg-faults {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.tg-fault {
  display: grid;
  grid-template-columns: var(--tg-rail-w) minmax(0, 1fr);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  scroll-margin-top: 150px;
  transition: box-shadow var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
}
.tg-fault:hover {
  border-color: var(--border-mid);
  box-shadow: var(--tg-shadow-md);
}
.tg-fault.is-hidden { display: none; }
.tg-fault.is-target {
  border-color: var(--steel-400);
  box-shadow: 0 0 0 3px rgba(107, 158, 201, 0.2), var(--tg-shadow-md);
}

/* Left rail — number + category colour band */
.tg-fault-rail {
  position: relative;
  background: var(--ink-50);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 30px 0;
  overflow: hidden;
}
.tg-fault-rail::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--rail-c, var(--ink-300));
}
.tg-fault[data-cat="surface"] { --rail-c: var(--tg-surface); }
.tg-fault[data-cat="filling"] { --rail-c: var(--tg-filling); }
.tg-fault[data-cat="shrink"]  { --rail-c: var(--tg-shrink); }
.tg-fault[data-cat="contam"]  { --rail-c: var(--tg-contam); }
.tg-fault[data-cat="demold"]  { --rail-c: var(--tg-demold); }

.tg-fault-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--rail-c, var(--ink-400));
  line-height: 1;
}

.tg-fault-main { padding: 30px 34px 34px; min-width: 0; }

.tg-fault-head { margin-bottom: 26px; }
.tg-cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rail-c, var(--ink-500));
  margin-bottom: 11px;
}
.tg-cat-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.tg-fault-head h3 {
  font-size: clamp(24px, 2.4vw, 31px);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--navy-500);
  line-height: 1.12;
  margin-bottom: 7px;
}
.tg-fault-alias {
  font-size: 13.5px;
  color: var(--ink-500);
}
.tg-fault-alias em { font-style: normal; color: var(--ink-600); font-weight: 500; }

/* Two-column body: figure | content */
.tg-fault-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

/* --- Image placeholder --- */
.tg-ph {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
  background:
    repeating-linear-gradient(
      135deg,
      var(--ink-50) 0px, var(--ink-50) 11px,
      transparent 11px, transparent 22px
    ),
    var(--white);
  border: 1.5px dashed var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--ink-400);
  overflow: hidden;
}
.tg-ph-icon {
  width: 34px; height: 34px;
  margin: 0 auto 12px;
  color: var(--ink-300);
}
.tg-ph-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 7px;
}
.tg-ph-path {
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--ink-400);
  word-break: break-all;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 5px 8px;
  display: inline-block;
  max-width: 100%;
}
.tg-figcap {
  margin-top: 11px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-500);
  padding-left: 11px;
  border-left: 2px solid var(--border-mid);
}
.tg-figcap b {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 3px;
}

/* --- Content blocks --- */
.tg-block { margin-bottom: 26px; }
.tg-block:last-child { margin-bottom: 0; }
.tg-block > h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 11px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.tg-desc {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-700);
}
.tg-desc strong { color: var(--ink-900); font-weight: 650; }

.tg-causes { display: grid; gap: 8px; }
.tg-causes li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--ink-700);
}
.tg-causes li::before {
  content: '';
  position: absolute;
  left: 6px; top: 9px;
  width: 5px; height: 5px;
  border-radius: 50%;
  border: 1.5px solid var(--rail-c, var(--ink-400));
}

/* --- Remedies --- */
.tg-remedies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.tg-rem { background: var(--white); padding: 18px 20px 20px; }
.tg-rem h5 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--rem-c, var(--ink-500));
  margin-bottom: 13px;
}
.tg-rem h5 svg { width: 14px; height: 14px; flex: none; }
.tg-rem[data-kind="process"]  { --rem-c: var(--steel-500); }
.tg-rem[data-kind="mold"]     { --rem-c: var(--navy-500); }
.tg-rem[data-kind="material"] { --rem-c: var(--ink-600); }
.tg-rem ul { display: grid; gap: 9px; }
.tg-rem li {
  position: relative;
  padding-left: 17px;
  font-size: 13.8px;
  line-height: 1.58;
  color: var(--ink-700);
}
.tg-rem li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 7px; height: 2px;
  background: var(--rem-c, var(--ink-400));
  border-radius: 1px;
}
.tg-rem li b { color: var(--ink-900); font-weight: 650; }

/* --- Parameter levers --- */
.tg-levers {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--border-mid);
}
.tg-levers-label {
  width: 100%;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 4px;
}
.tg-lever {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-600);
  background: var(--ink-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 5px 9px;
}
.tg-lever::after {
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.tg-lever[data-dir="up"]::after     { content: '↑'; color: var(--steel-600); }
.tg-lever[data-dir="down"]::after   { content: '↓'; color: var(--tg-contam); }
.tg-lever[data-dir="change"]::after { content: '↕'; color: var(--ink-500); }

/* --- Empty state --- */
.tg-empty {
  text-align: center;
  padding: 88px 24px;
  border: 1px dashed var(--border-mid);
  border-radius: var(--radius);
  background: var(--ink-50);
}
.tg-empty h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--navy-500);
  margin-bottom: 9px;
}
.tg-empty p { font-size: 15px; color: var(--ink-500); margin-bottom: 22px; }

/* =============================================================
   9. PARAMETER CROSS-REFERENCE MATRIX
   ============================================================= */
.tg-matrix-section { margin-top: 96px; }
.tg-matrix-head { margin-bottom: 30px; max-width: 760px; }
.tg-matrix-head h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--navy-500);
  line-height: 1.1;
  margin-bottom: 14px;
}
.tg-matrix-head p { font-size: 16px; line-height: 1.7; color: var(--ink-600); }

.tg-matrix-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 20px 0 24px;
  padding: 14px 18px;
  background: var(--steel-50);
  border-radius: var(--radius-sm);
}
.tg-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-700);
}
.tg-legend-mark {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}
.tg-legend-mark.up     { color: var(--steel-600); }
.tg-legend-mark.down   { color: var(--tg-contam); }
.tg-legend-mark.change { color: var(--ink-500); }

.tg-matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}
.tg-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 880px;
}
.tg-matrix th, .tg-matrix td {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 10px 8px;
  text-align: center;
  vertical-align: middle;
}
.tg-matrix thead th {
  position: sticky;
  top: 0;
  background: var(--ink-50);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-600);
  line-height: 1.3;
  padding: 14px 8px;
  z-index: 2;
}
.tg-matrix tbody th {
  position: sticky;
  left: 0;
  background: var(--white);
  text-align: left;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-800);
  white-space: nowrap;
  padding-left: 16px;
  border-right: 1px solid var(--border-mid);
  z-index: 1;
}
.tg-matrix tbody tr:hover th,
.tg-matrix tbody tr:hover td { background: var(--steel-50); }
.tg-matrix tbody tr:last-child th,
.tg-matrix tbody tr:last-child td { border-bottom: none; }
.tg-matrix td { color: var(--ink-300); font-family: var(--font-mono); font-size: 15px; font-weight: 700; }
.tg-matrix td.up     { color: var(--steel-600); }
.tg-matrix td.down   { color: var(--tg-contam); }
.tg-matrix td.change { color: var(--ink-500); }
.tg-matrix td.na     { color: var(--ink-200); font-size: 12px; font-weight: 400; }

/* =============================================================
   10. SOURCES / DISCLAIMER
   ============================================================= */
.tg-sources {
  margin-top: 88px;
  padding: 34px 38px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.tg-sources h3 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy-500);
  margin-bottom: 18px;
}
.tg-sources ul { display: grid; gap: 11px; margin-bottom: 22px; }
.tg-sources li {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-700);
  padding-left: 18px;
  position: relative;
}
.tg-sources li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 2px;
  background: var(--steel-400);
}
.tg-sources cite { font-style: italic; color: var(--ink-800); }
.tg-disclaimer {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-500);
  padding-top: 20px;
  border-top: 1px solid var(--border-mid);
}

/* =============================================================
   11. CTA
   ============================================================= */
.tg-cta {
  margin-top: 88px;
  padding: 64px 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-600) 0%, var(--navy-500) 55%, var(--steel-700) 100%);
  color: var(--white);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 44px;
  align-items: center;
}
.tg-cta h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 13px;
}
.tg-cta p {
  font-size: 16.5px;
  line-height: 1.65;
  color: rgba(255,255,255,0.76);
  max-width: 60ch;
}

/* =============================================================
   12. COMING-SOON PANELS (Extrusion · Blow Moulding)
   ============================================================= */
.tg-soon { padding: 96px 0 120px; }
.tg-soon-inner {
  max-width: 940px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
.tg-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-600);
  background: var(--steel-50);
  border: 1px solid var(--steel-200);
  border-radius: 100px;
  padding: 8px 16px;
}
.tg-soon h2 {
  font-size: clamp(32px, 4.4vw, 54px);
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--navy-500);
  line-height: 1.05;
  margin-bottom: 18px;
}
.tg-soon-lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-600);
  max-width: 64ch;
  margin-bottom: 8px;
}
.tg-soon-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.tg-soon-item { background: var(--white); padding: 22px 24px; }
.tg-soon-item h4 {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 6px;
}
.tg-soon-item p { font-size: 13.8px; line-height: 1.6; color: var(--ink-500); }
.tg-soon-item .n {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel-400);
  margin-bottom: 9px;
}

/* =============================================================
   13. BACK TO TOP
   ============================================================= */
.tg-top {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  background: var(--navy-500);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--tg-shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--t-med) var(--ease);
  z-index: 95;
}
.tg-top.show { opacity: 1; visibility: visible; transform: none; }
.tg-top:hover { background: var(--navy-600); transform: translateY(-3px); }

/* =============================================================
   14. REVEAL
   ============================================================= */
.tg-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.tg-reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .tg-reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =============================================================
   15. RESPONSIVE
   ============================================================= */
@media (max-width: 1180px) {
  .tg-intro { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .tg-fault-grid { grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 26px; }
}

@media (max-width: 900px) {
  .tg-hero { padding: 64px 0 72px; }
  .tg-hero-meta { gap: 22px 40px; margin-top: 36px; padding-top: 26px; }
  .tg-fault-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .tg-ph { aspect-ratio: 16 / 9; }
  .tg-cta { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 48px 34px; }
}

@media (max-width: 720px) {
  :root { --tg-rail-w: 54px; }
  .tg-hero-inner,
  .tg-toolbar-inner,
  .tg-tabs-inner { padding-left: 24px; padding-right: 24px; }
  .tg-tab { padding: 16px 16px; font-size: 14px; }
  .tg-tab::after { left: 16px; right: 16px; }
  .tg-tab-badge { display: none; }
  .tg-toolbar { top: 55px; }
  .tg-fault-rail { padding: 18px 0; }
  .tg-fault-num { font-size: 17px; }
  .tg-fault-main { padding: 22px 20px 26px; }
  .tg-remedies { grid-template-columns: minmax(0, 1fr); }
  .tg-index { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .tg-count { margin-left: 0; width: 100%; }
  .tg-sources { padding: 26px 22px; }
  .tg-top { right: 16px; bottom: 16px; }
}

/* =============================================================
   16. PRINT
   ============================================================= */
@media print {
  .tg-tabs, .tg-toolbar, .tg-top, .tg-progress,
  .legal-header, .site-footer, .tg-cta, .tg-index-wrap { display: none !important; }
  .tg-panel.is-active { display: block !important; }
  .tg-hero { background: none; color: black; padding: 0 0 24px; }
  .tg-hero h1, .tg-hero h1 em { color: black; }
  .tg-fault {
    break-inside: avoid;
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  .tg-ph { display: none; }
}