/* P10-SITE-1508: native-CSS, preserve-first buyer experience refinement. */
:root {
  --fnb-ink: #0e2f35;
  --fnb-teal: #08777a;
  --fnb-teal-dark: #07545d;
  --fnb-mint: #e8f3f1;
  --fnb-mist: #f4f8f7;
  --fnb-line: #cfe0dd;
  --fnb-copy: #23383c;
  --fnb-muted: #5b6f72;
  --fnb-radius-card: 14px;
  --fnb-radius-control: 9px;
  --fnb-shadow: 0 16px 42px rgba(8, 47, 53, 0.11);
  --fnb-layer-trigger: 36;
  --fnb-layer-drawer: 44;
  --fnb-layer-toast: 50;
}

body {
  color: var(--fnb-copy);
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

:where(h1, h2, h3) {
  color: var(--fnb-ink);
  text-wrap: balance;
}

:where(p, li, dd) {
  text-wrap: pretty;
}

.button,
.catalog-filter-chips button,
.catalog-clear,
.fnb-button,
.fnb-card-action {
  min-height: 44px;
  border-radius: var(--fnb-radius-control);
  font-weight: 750;
  line-height: 1.2;
  white-space: nowrap;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 120ms ease;
}

:where(.button, .catalog-filter-chips button, .catalog-clear, .fnb-button, .fnb-card-action):active {
  transform: translateY(1px);
}

:where(.button, .catalog-filter-chips button, .catalog-clear, .fnb-button, .fnb-card-action):focus-visible {
  outline: 3px solid rgba(8, 119, 122, 0.28);
  outline-offset: 3px;
}

.catalog-tools {
  padding: clamp(18px, 2.5vw, 28px);
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-card);
  background: linear-gradient(145deg, #f8fbfa 0%, #eef6f4 100%);
  box-shadow: 0 10px 30px rgba(8, 47, 53, 0.07);
}

.catalog-search input {
  min-height: 50px;
  border: 1px solid #b9ceca;
  border-radius: var(--fnb-radius-control);
  background: #fbfdfc;
  color: var(--fnb-ink);
  box-shadow: inset 0 1px 2px rgba(8, 47, 53, 0.05);
}

.catalog-search input::placeholder {
  color: #617477;
  opacity: 1;
}

.catalog-search input:focus {
  border-color: var(--fnb-teal);
  box-shadow: 0 0 0 4px rgba(8, 119, 122, 0.14);
}

.catalog-filter-chips button,
.catalog-clear {
  border: 1px solid #aac5c0;
  background: #f9fcfb;
  color: var(--fnb-teal-dark);
  box-shadow: none;
}

.catalog-filter-chips button:hover,
.catalog-filter-chips button.is-active,
.catalog-filter-chips button[aria-pressed="true"] {
  border-color: var(--fnb-teal-dark);
  background: var(--fnb-teal-dark);
  color: #f7fbfa;
}

.catalog-result-count {
  color: #405a5e;
  font-weight: 700;
}

:where(.language-card, .catalog-card, .featured-product-card, .product-family-card, .collection-card) {
  border-radius: var(--fnb-radius-card);
}

:where(.language-card, .catalog-card, .featured-product-card, .product-family-card, .collection-card):focus-within {
  outline: 3px solid rgba(8, 119, 122, 0.22);
  outline-offset: 3px;
}

.product-direct-directory .language-card,
.fnb-product-card {
  position: relative;
  display: grid;
  align-content: space-between;
  gap: 12px;
  overflow: hidden;
  border-color: var(--fnb-line);
  background: #fbfdfc;
}

.product-direct-directory .language-card:hover {
  border-color: #8eb7b0;
  box-shadow: 0 12px 30px rgba(8, 47, 53, 0.09);
  transform: translateY(-2px);
}

.fnb-card-actions {
  display: flex;
  gap: 8px;
  padding: 0 18px 18px;
}

.fnb-card-action {
  flex: 1 1 0;
  padding: 9px 12px;
  border: 1px solid #a9c3bf;
  background: #f5faf8;
  color: var(--fnb-teal-dark);
  cursor: pointer;
  font: inherit;
}

.fnb-card-action:hover,
.fnb-card-action[aria-pressed="true"] {
  border-color: var(--fnb-teal-dark);
  background: var(--fnb-mint);
}

.fnb-product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.fnb-product-actions .fnb-button {
  padding: 11px 16px;
  border: 1px solid #9bbab5;
  background: #f7fbfa;
  color: var(--fnb-teal-dark);
  cursor: pointer;
  font: inherit;
}

.fnb-product-actions .fnb-button:hover,
.fnb-product-actions .fnb-button[aria-pressed="true"] {
  border-color: var(--fnb-teal-dark);
  background: var(--fnb-mint);
}

.fnb-product-support {
  margin: 28px auto;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-card);
  background: var(--fnb-mist);
}

.fnb-support-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.fnb-support-grid h2 {
  margin-top: 0;
}

.fnb-link-list {
  display: grid;
  gap: 10px;
}

.fnb-link-list a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--fnb-line);
  color: var(--fnb-teal-dark);
  font-weight: 750;
}

.fnb-workspace-trigger {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: var(--fnb-layer-trigger);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--fnb-radius-control);
  background: var(--fnb-ink);
  color: #f7fbfa;
  box-shadow: 0 12px 28px rgba(8, 47, 53, 0.24);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.fnb-workspace-trigger:hover {
  background: var(--fnb-teal-dark);
}

body.fnb-tool-page .fnb-workspace-trigger {
  display: none;
}

.fnb-workspace-trigger-count {
  min-width: 24px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #e4f2ef;
  color: var(--fnb-ink);
  text-align: center;
}

.fnb-drawer[hidden],
.fnb-toast[hidden] {
  display: none;
}

.fnb-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--fnb-layer-drawer);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  background: rgba(7, 32, 37, 0.44);
}

.fnb-drawer-scrim {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.fnb-drawer-panel {
  display: flex;
  min-height: 100dvh;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  padding: 24px;
  background: #f7fbfa;
  box-shadow: -18px 0 48px rgba(8, 47, 53, 0.2);
}

.fnb-drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.fnb-drawer-header h2 {
  margin: 0 0 4px;
}

.fnb-drawer-header p {
  margin: 0;
  color: var(--fnb-muted);
}

.fnb-icon-button {
  display: grid;
  width: auto;
  min-width: 64px;
  height: 44px;
  flex: 0 0 auto;
  padding: 0 12px;
  place-items: center;
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-control);
  background: #f7fbfa;
  color: var(--fnb-ink);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 750;
}

.fnb-drawer-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
}

.fnb-drawer-summary div {
  padding: 14px;
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-control);
  background: #eff7f5;
}

.fnb-drawer-summary dt {
  color: var(--fnb-muted);
  font-size: 12px;
  font-weight: 750;
}

.fnb-drawer-summary dd {
  margin: 4px 0 0;
  color: var(--fnb-ink);
  font-size: 22px;
  font-weight: 850;
}

.fnb-drawer-list,
.fnb-workspace-list {
  display: grid;
  gap: 10px;
}

.fnb-state-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-control);
  background: #fbfdfc;
}

.fnb-state-card strong {
  color: var(--fnb-ink);
}

.fnb-state-card small {
  color: var(--fnb-muted);
}

.fnb-state-card-actions,
.fnb-drawer-actions,
.fnb-tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.fnb-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border: 1px solid #9cbab5;
  background: #f7fbfa;
  color: var(--fnb-teal-dark);
  cursor: pointer;
  font: inherit;
  text-align: center;
}

.fnb-button-primary {
  border-color: var(--fnb-teal-dark);
  background: var(--fnb-teal-dark);
  color: #f7fbfa;
}

.fnb-button:hover {
  border-color: var(--fnb-teal-dark);
  background: var(--fnb-mint);
  color: var(--fnb-ink);
}

.fnb-button-primary:hover {
  background: #0a686f;
  color: #f7fbfa;
}

.fnb-empty {
  padding: 24px;
  border: 1px dashed #a9c3bf;
  border-radius: var(--fnb-radius-control);
  background: #f4f9f8;
  color: var(--fnb-muted);
}

.fnb-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: var(--fnb-layer-toast);
  max-width: min(92vw, 560px);
  padding: 13px 18px;
  border-radius: var(--fnb-radius-control);
  background: var(--fnb-ink);
  color: #f7fbfa;
  box-shadow: var(--fnb-shadow);
  transform: translateX(-50%);
  font-weight: 700;
}

.fnb-buyer-footer {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(207, 224, 221, 0.36);
}

.fnb-buyer-footer a {
  display: block;
  padding: 8px 0;
  color: inherit;
  font-weight: 700;
}

.fnb-buyer-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.fnb-tool-page {
  background: #f7fbfa;
}

.fnb-tool-main {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(34px, 6vw, 74px) 0 90px;
}

.fnb-tool-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  margin-bottom: clamp(36px, 6vw, 72px);
}

.fnb-tool-hero h1 {
  max-width: 16ch;
  margin: 0 0 16px;
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.fnb-tool-hero p {
  max-width: 62ch;
  margin: 0 0 22px;
  color: #4d6367;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.fnb-tool-hero img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--fnb-radius-card);
  object-fit: cover;
  box-shadow: var(--fnb-shadow);
}

.fnb-tool-section {
  margin-top: 42px;
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-card);
  background: #fbfdfc;
}

.fnb-tool-section > h2:first-child {
  margin-top: 0;
}

.fnb-asymmetric-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 16px;
}

.fnb-asymmetric-grid > :nth-child(3n) {
  grid-column: 1 / -1;
}

.fnb-tool-card {
  padding: 20px;
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-card);
  background: #f2f8f6;
}

.fnb-tool-card h3 {
  margin-top: 0;
}

.fnb-tool-card p:last-child {
  margin-bottom: 0;
}

.fnb-tool-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.fnb-tool-form label,
.fnb-tool-form fieldset {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--fnb-ink);
  font-weight: 750;
}

.fnb-tool-form .fnb-full {
  grid-column: 1 / -1;
}

.fnb-tool-form input,
.fnb-tool-form select,
.fnb-tool-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #abc3bf;
  border-radius: var(--fnb-radius-control);
  background: #fdfefe;
  color: var(--fnb-ink);
  font: inherit;
  font-weight: 500;
}

.fnb-tool-form textarea {
  min-height: 118px;
  resize: vertical;
}

.fnb-tool-form :where(input, select, textarea):focus {
  border-color: var(--fnb-teal);
  outline: 3px solid rgba(8, 119, 122, 0.18);
  outline-offset: 1px;
}

.fnb-check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.fnb-check-grid label {
  display: flex;
  min-height: 48px;
  flex-direction: row;
  align-items: center;
  gap: 9px;
  padding: 11px 13px;
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-control);
  background: #f5faf8;
  font-weight: 650;
}

.fnb-check-grid input {
  width: 18px;
  min-height: 18px;
  flex: 0 0 18px;
}

.fnb-output {
  margin-top: 20px;
  padding: 18px;
  border-left: 4px solid var(--fnb-teal);
  border-radius: 0 var(--fnb-radius-control) var(--fnb-radius-control) 0;
  background: var(--fnb-mint);
}

.fnb-output[hidden] {
  display: none;
}

.fnb-output h3 {
  margin-top: 0;
}

.fnb-compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.fnb-compare-table th,
.fnb-compare-table td {
  padding: 13px;
  border-bottom: 1px solid var(--fnb-line);
  text-align: left;
  vertical-align: top;
}

.fnb-compare-table th:first-child {
  width: 150px;
  color: var(--fnb-muted);
}

.fnb-readiness {
  margin: 0 0 22px;
  padding: 18px;
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-card);
  background: #eef7f5;
}

.fnb-readiness h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.fnb-readiness p {
  margin: 0;
}

.fnb-readiness-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.fnb-readiness-list li {
  padding: 6px 10px;
  border: 1px solid #b3cbc6;
  border-radius: 999px;
  background: #f8fcfb;
  color: #3f595d;
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 767px) {
  .fnb-workspace-trigger {
    display: none;
  }

  .fnb-drawer {
    grid-template-columns: 1fr;
  }

  .fnb-drawer-scrim {
    display: none;
  }

  .fnb-drawer-panel {
    min-height: 100dvh;
    padding: 18px;
  }

  .fnb-buyer-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fnb-tool-main {
    width: min(100% - 28px, 1180px);
    padding-top: 28px;
  }

  .fnb-tool-hero,
  .fnb-support-grid,
  .fnb-asymmetric-grid,
  .fnb-tool-form {
    grid-template-columns: 1fr;
  }

  .fnb-asymmetric-grid > :nth-child(3n),
  .fnb-tool-form .fnb-full {
    grid-column: auto;
  }

  .fnb-tool-hero h1 {
    max-width: 18ch;
    font-size: clamp(2rem, 10vw, 3.15rem);
  }

  .fnb-tool-hero img {
    aspect-ratio: 16 / 10;
  }

  .fnb-check-grid {
    grid-template-columns: 1fr 1fr;
  }

  .fnb-card-actions {
    padding: 0 14px 14px;
  }

  .fnb-product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .fnb-product-actions .fnb-button {
    white-space: normal;
  }

  .fnb-compare-table {
    display: block;
    overflow-x: auto;
  }

  .detail-section,
  .conversion-panel,
  .premium-rfq-strip {
    scroll-margin-top: 86px;
  }
}

@media (max-width: 390px) {
  .fnb-check-grid,
  .fnb-product-actions,
  .fnb-buyer-footer,
  .fnb-drawer-summary {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button,
  .catalog-filter-chips button,
  .catalog-clear,
  .fnb-button,
  .fnb-card-action,
  .product-direct-directory .language-card {
    scroll-behavior: auto;
    transition: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .premium-sticky-cta,
  .floating-whatsapp,
  .fnb-workspace-trigger,
  .fnb-drawer,
  .fnb-toast,
  .fnb-product-actions,
  .fnb-buyer-footer,
  script {
    display: none !important;
  }

  body {
    background: #fff;
    color: #172326;
    font-size: 11pt;
  }

  .detail-hero,
  .detail-section,
  .fnb-product-support {
    break-inside: avoid;
    box-shadow: none !important;
  }

  a[href]::after {
    content: "";
  }
}

/* P10-SITE-1520: preserve-mode site search. */
.fnb-search-trigger {
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid #9cbab5;
  border-radius: var(--fnb-radius-control);
  background: #f7fbfa;
  color: var(--fnb-teal-dark);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  line-height: 1.2;
  white-space: nowrap;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, transform 120ms ease;
}

.fnb-search-trigger:hover {
  border-color: var(--fnb-teal-dark);
  background: var(--fnb-mint);
  color: var(--fnb-ink);
}

.fnb-search-trigger:active {
  transform: translateY(1px);
}

.fnb-search-trigger:focus-visible {
  outline: 3px solid rgba(8, 119, 122, 0.28);
  outline-offset: 3px;
}

.fnb-search-trigger-desktop {
  flex: 0 0 auto;
  margin-left: auto;
}

.fnb-search-trigger-mobile {
  display: none;
}

.fnb-site-search[hidden] {
  display: none;
}

.fnb-site-search {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: start center;
  padding: 32px 18px;
  background: rgba(7, 32, 37, 0.58);
}

.fnb-site-search-scrim {
  position: absolute;
  inset: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.fnb-site-search-panel {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  max-height: calc(100dvh - 64px);
  overflow: auto;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--fnb-line);
  border-radius: var(--fnb-radius-card);
  background: #f7fbfa;
  box-shadow: var(--fnb-shadow);
}

.fnb-site-search-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.fnb-site-search-header h2 {
  margin: 0 0 5px;
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.fnb-site-search-header p {
  margin: 0;
  color: var(--fnb-muted);
}

.fnb-site-search-field {
  display: grid;
  gap: 8px;
  color: var(--fnb-ink);
  font-weight: 750;
}

.fnb-site-search-field input {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid #abc3bf;
  border-radius: var(--fnb-radius-control);
  background: #fdfefe;
  color: var(--fnb-ink);
  font: inherit;
  font-weight: 500;
}

.fnb-site-search-field input::placeholder {
  color: #617477;
  opacity: 1;
}

.fnb-site-search-field input:focus {
  border-color: var(--fnb-teal);
  outline: 3px solid rgba(8, 119, 122, 0.18);
  outline-offset: 1px;
}

.fnb-site-search-status {
  min-height: 24px;
  margin: 14px 0 8px;
  color: var(--fnb-muted);
  font-weight: 700;
}

.fnb-site-search-results {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fnb-site-search-results li + li {
  border-top: 1px solid var(--fnb-line);
}

.fnb-site-search-results a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  padding: 15px 4px;
  color: var(--fnb-copy);
}

.fnb-site-search-results a:hover,
.fnb-site-search-results a:focus-visible {
  color: var(--fnb-teal-dark);
}

.fnb-site-search-results a:focus-visible {
  outline: 3px solid rgba(8, 119, 122, 0.24);
  outline-offset: 3px;
}

.fnb-site-search-results strong {
  color: var(--fnb-ink);
}

.fnb-site-search-results span {
  color: var(--fnb-teal-dark);
  font-size: 0.8rem;
  font-weight: 750;
  white-space: nowrap;
}

.fnb-site-search-results p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--fnb-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .fnb-search-trigger-desktop {
    display: none;
  }

  .fnb-search-trigger-mobile {
    display: block;
    width: 100%;
    margin: 0 0 4px;
    text-align: left;
  }
}

@media (max-width: 520px) {
  .fnb-site-search {
    padding: 10px;
  }

  .fnb-site-search-panel {
    max-height: calc(100dvh - 20px);
    padding: 18px;
  }

  .fnb-site-search-results a {
    grid-template-columns: 1fr;
  }

  .fnb-site-search-results span {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fnb-search-trigger {
    transition: none;
  }
}

@media print {
  .fnb-search-trigger,
  .fnb-site-search {
    display: none !important;
  }
}