:root {
  --theme-primary: #0f3f67;
  --theme-secondary: #1f6a57;
  --theme-accent: #0f3f67;
  --theme-soft: #dbe8f2;
  --theme-border: #cfd9e2;
  --tds-bg: #edf2f6;
  --tds-surface: #ffffff;
  --tds-surface-soft: #f5f8fb;
  --tds-surface-strong: #eef4f8;
  --tds-ink: #16324a;
  --tds-muted: #5d7285;
  --tds-border: var(--theme-border);
  --tds-accent: var(--theme-primary);
  --tds-accent-soft: var(--theme-soft);
  --tds-accent-contrast: #ffffff;
  --tds-secondary: var(--theme-secondary);
  --tds-shadow: 0 14px 36px rgba(22, 50, 74, 0.08);
  --tds-page-width: 1120px;
  --tds-radius-lg: 18px;
  --tds-radius-md: 12px;
  --tds-radius-sm: 10px;
}

body[data-theme="sabic"] {
  --theme-primary: #3e3a34;
  --theme-secondary: #c39b19;
  --theme-accent: #f1cc45;
  --theme-soft: #fbf1b8;
  --theme-border: #d9cf96;
}

body[data-theme="lyondellbasell"] {
  --theme-primary: #123766;
  --theme-secondary: #2c6fba;
  --theme-accent: #245da0;
  --theme-soft: #dce9fb;
  --theme-border: #bfd2ea;
}

body[data-theme="exxonmobil"] {
  --theme-primary: #16395f;
  --theme-secondary: #bb4348;
  --theme-accent: #d85a60;
  --theme-soft: #f6d9dd;
  --theme-border: #e3c2c7;
}

body[data-theme="petkim"] {
  --theme-primary: #12385b;
  --theme-secondary: #1f8f92;
  --theme-accent: #33aeb0;
  --theme-soft: #dbf3f1;
  --theme-border: #bddddb;
}

body[data-theme="repsol"] {
  --theme-primary: #8d3a2b;
  --theme-secondary: #dc6d1f;
  --theme-accent: #ef8a37;
  --theme-soft: #ffe5d2;
  --theme-border: #e7c4b1;
}

body[data-theme="dow"] {
  --theme-primary: #135295;
  --theme-secondary: #5a99e0;
  --theme-accent: #6caef8;
  --theme-soft: #deebff;
  --theme-border: #bed4ec;
}

body[data-theme="chevron-phillips"] {
  --theme-primary: #14365b;
  --theme-secondary: #b8c3cf;
  --theme-accent: #607890;
  --theme-soft: #e8edf2;
  --theme-border: #cad3dc;
}

body[data-theme="oq"] {
  --theme-primary: #2a255a;
  --theme-secondary: #6d4cb3;
  --theme-accent: #7f63c4;
  --theme-soft: #ece5fb;
  --theme-border: #cdc5e8;
}

body[data-theme="default"] {
  --theme-primary: #0f3f67;
  --theme-secondary: #1f6a57;
  --theme-accent: #2f7b90;
  --theme-soft: #dbe8f2;
  --theme-border: #cfd9e2;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--tds-ink);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--tds-secondary) 16%, transparent), transparent 28%),
    linear-gradient(180deg, color-mix(in srgb, var(--tds-accent) 9%, transparent), rgba(15, 63, 103, 0) 220px),
    var(--tds-bg);
}

a {
  color: var(--tds-accent);
  word-break: break-word;
}

.tds-page {
  width: min(calc(100% - 32px), var(--tds-page-width));
  margin: 24px auto 40px;
  display: grid;
  gap: 18px;
}

.document-header,
.sheet-section {
  background: var(--tds-surface);
  border: 1px solid var(--tds-border);
  border-radius: var(--tds-radius-lg);
  box-shadow: var(--tds-shadow);
}

.document-header {
  padding: 28px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 9%, transparent), color-mix(in srgb, var(--tds-secondary) 7%, transparent)),
    var(--tds-surface);
}

.document-kicker,
.document-label,
.meta-label,
.quick-label,
.hero-chip {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--tds-muted);
}

.document-title-row h1,
.section-heading h2,
.info-card h3 {
  margin: 0;
}

.document-title-row h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.08;
}

.document-subtitle {
  margin: 8px 0 0;
  color: var(--tds-muted);
  font-size: 1rem;
}

.document-badge {
  border: 1px solid var(--theme-border);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  color: var(--tds-accent);
  background: color-mix(in srgb, var(--theme-soft) 62%, white);
  white-space: nowrap;
}

.hero-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.hero-shell {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 14px;
  padding: 22px;
  border: 1px solid var(--tds-border);
  border-radius: calc(var(--tds-radius-lg) + 4px);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--tds-accent) 9%, white), color-mix(in srgb, var(--tds-secondary) 16%, white));
}

.hero-shell::before,
.hero-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-shell::before {
  background: linear-gradient(to right, rgba(255, 255, 255, 0.96) 40%, rgba(255, 255, 255, 0) 70%);
  z-index: 2;
}

.hero-shell::after {
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 20%),
    linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 18%, transparent), color-mix(in srgb, var(--tds-secondary) 22%, transparent));
  opacity: 0.2;
  z-index: 0;
}

body[data-polymer-visual="ldpe"] .hero-shell::after {
  background-image:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 20%),
    radial-gradient(ellipse at 78% 44%, rgba(255, 255, 255, 0.8) 0 18%, rgba(255, 255, 255, 0) 19%),
    radial-gradient(ellipse at 88% 68%, rgba(255, 255, 255, 0.65) 0 14%, rgba(255, 255, 255, 0) 15%),
    linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 18%, transparent), color-mix(in srgb, var(--tds-secondary) 22%, transparent));
}

body[data-polymer-visual="lldpe"] .hero-shell::after {
  background-image:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 20%),
    repeating-linear-gradient(125deg, rgba(255, 255, 255, 0.42) 0 16px, rgba(255, 255, 255, 0) 16px 34px),
    linear-gradient(135deg, color-mix(in srgb, var(--tds-secondary) 22%, transparent), color-mix(in srgb, var(--tds-accent) 16%, transparent));
}

body[data-polymer-visual="hdpe"] .hero-shell::after {
  background-image:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0) 60%),
    linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 18%, transparent), color-mix(in srgb, var(--tds-secondary) 22%, transparent));
}

body[data-polymer-visual="pp"] .hero-shell::after {
  background-image:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 20%),
    radial-gradient(circle at 80% 54%, rgba(255, 255, 255, 0.56) 0 5%, rgba(255, 255, 255, 0) 6%),
    radial-gradient(circle at 88% 60%, rgba(255, 255, 255, 0.48) 0 4%, rgba(255, 255, 255, 0) 5%),
    radial-gradient(circle at 84% 72%, rgba(255, 255, 255, 0.4) 0 4%, rgba(255, 255, 255, 0) 5%),
    linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 18%, transparent), color-mix(in srgb, var(--tds-secondary) 22%, transparent));
}

body[data-polymer-visual="pvc"] .hero-shell::after {
  background-image:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 20%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.48) 0 10%, rgba(255, 255, 255, 0) 10% 100%),
    linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 18%, transparent), color-mix(in srgb, var(--tds-secondary) 22%, transparent));
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-image {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(46%, 520px);
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: 0;
  transition: opacity 0.18s ease;
}

body[data-visual-image-loaded="true"] .hero-image {
  opacity: 0.42;
}

.hero-copy {
  position: relative;
  z-index: 3;
  display: grid;
  gap: 16px;
  max-width: min(58%, 720px);
}

.hero-heading {
  display: grid;
  gap: 10px;
}

.hero-chip-row,
.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--theme-primary) 18%, var(--theme-border));
  background: color-mix(in srgb, var(--theme-soft) 55%, white);
  color: var(--tds-accent);
}

.hero-chip [data-field] {
  margin-left: 4px;
}

.hero-emphasis {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--tds-accent) 10%, white), color-mix(in srgb, var(--tds-secondary) 8%, white));
  color: var(--tds-accent);
  font-weight: 600;
  line-height: 1.5;
}

.hero-actions {
  margin-top: 4px;
  align-items: stretch;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 190px;
  flex: 1 1 190px;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid var(--tds-border);
  text-decoration: none;
  font-weight: 700;
  text-align: center;
  transition: background 0.18s ease, transform 0.18s ease;
}

.hero-link:hover {
  transform: translateY(-1px);
}

.hero-link-primary {
  border-color: color-mix(in srgb, var(--theme-primary) 36%, transparent);
  background: linear-gradient(135deg, var(--theme-primary), color-mix(in srgb, var(--theme-secondary) 40%, var(--theme-primary)));
  color: var(--tds-accent-contrast);
}

.hero-link-secondary {
  background: color-mix(in srgb, var(--theme-soft) 44%, white);
  color: var(--tds-accent);
}

.header-meta-grid,
.quick-spec-grid,
.info-card-grid {
  display: grid;
  gap: 14px;
}

.header-meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.meta-card,
.quick-spec-card,
.info-card,
.narrative-panel,
.table-wrap,
.note-section {
  border: 1px solid var(--tds-border);
  border-radius: var(--tds-radius-md);
  background: var(--tds-surface-soft);
}

.meta-card,
.quick-spec-card {
  padding: 14px 16px;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}

.meta-card strong,
.meta-card a,
.quick-spec-card strong {
  font-size: 1rem;
  line-height: 1.4;
}

.meta-card a {
  text-decoration-thickness: 1px;
}

.sheet-section {
  padding: 22px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  margin-bottom: 16px;
}

.section-heading p {
  margin: 0;
  color: var(--tds-muted);
  max-width: 560px;
  text-align: right;
}

.quick-spec-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quick-spec-card {
  position: relative;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--tds-accent) 4%, white), white);
  border-color: color-mix(in srgb, var(--tds-accent) 10%, var(--tds-border));
  min-height: 112px;
}

.quick-spec-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  border-radius: 12px 0 0 12px;
  background: linear-gradient(180deg, var(--theme-accent), var(--theme-primary));
}

.quick-spec-card strong {
  font-size: 1.35rem;
  color: var(--tds-accent);
}

.quick-spec-card-wide {
  grid-column: 1 / -1;
}

.narrative-panel {
  padding: 18px 20px;
  line-height: 1.7;
  background: linear-gradient(180deg, #f8fbfd, #f2f6f9);
}

.narrative-panel p {
  margin: 0;
}

.info-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card {
  padding: 18px;
  background: var(--tds-surface);
}

.info-card h3 {
  margin-bottom: 12px;
  font-size: 1.05rem;
  color: var(--tds-accent);
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: #27455f;
}

.table-wrap {
  overflow-x: auto;
  background: var(--tds-surface);
}

.technical-table {
  width: 100%;
  border-collapse: collapse;
}

.technical-table th,
.technical-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--tds-border);
  text-align: left;
  vertical-align: top;
}

.technical-table thead th {
  background: color-mix(in srgb, var(--theme-soft) 72%, white);
  color: var(--tds-accent);
  font-size: 0.9rem;
}

.technical-table tbody th {
  width: 36%;
  background: #f8fafc;
  font-weight: 600;
}

.technical-table tbody tr:last-child th,
.technical-table tbody tr:last-child td {
  border-bottom: 0;
}

.note-section {
  padding: 18px 20px;
  border-left: 4px solid var(--tds-secondary);
}

.note-section p {
  margin: 0;
  color: #27455f;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .header-meta-grid,
  .quick-spec-grid,
  .info-card-grid {
    grid-template-columns: 1fr;
  }

  .hero-topline,
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-heading p {
    max-width: none;
    text-align: left;
  }

  .document-badge {
    white-space: normal;
  }

  .hero-copy {
    max-width: min(72%, 720px);
  }
}

@media (max-width: 768px) {
  .hero-image {
    width: 100%;
    object-position: center;
  }

  body[data-visual-image-loaded="true"] .hero-image {
    opacity: 0.25;
  }

  .hero-shell::after {
    opacity: 0.14;
  }

  .hero-shell::before {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.96) 50%, rgba(255, 255, 255, 0) 100%);
  }

  .hero-copy {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .tds-page {
    width: min(calc(100% - 20px), var(--tds-page-width));
    margin: 10px auto 24px;
  }

  .document-header,
  .sheet-section {
    padding: 16px;
    border-radius: 14px;
  }

  .hero-shell,
  .meta-card,
  .quick-spec-card,
  .info-card,
  .narrative-panel,
  .note-section {
    padding: 14px;
  }

  .technical-table th,
  .technical-table td {
    padding: 12px;
  }

  .hero-link {
    width: 100%;
    min-width: 0;
    flex-basis: 100%;
  }
}

@media print {
  :root {
    --tds-bg: #ffffff;
    --tds-surface: #ffffff;
    --tds-surface-soft: #ffffff;
    --tds-surface-strong: #ffffff;
    --tds-shadow: none;
  }

  body {
    background: #ffffff;
    color: #000000;
    font-size: 11pt;
  }

  .tds-page {
    width: 100%;
    margin: 0;
    gap: 10pt;
  }

  .document-header,
  .sheet-section,
  .hero-shell,
  .meta-card,
  .quick-spec-card,
  .info-card,
  .narrative-panel,
  .table-wrap,
  .note-section {
    box-shadow: none;
    break-inside: avoid;
  }

  .document-header,
  .sheet-section,
  .hero-shell {
    border-radius: 0;
  }

  .hero-shell {
    padding: 16pt;
    gap: 10pt;
  }

  .hero-shell::before,
  .hero-shell::after {
    opacity: 0.12;
  }

  .hero-image {
    width: 44%;
    object-fit: contain;
    object-position: right center;
    opacity: 0.18 !important;
  }

  .hero-link {
    color: #000000;
    background: #ffffff;
    border-color: #999999;
  }

  a {
    color: #000000;
    text-decoration: none;
  }

  @page {
    size: A4;
    margin: 12mm;
  }
}