/* Start custom CSS *//* R&S Supply — IBC Valve Sizes Article */
.rs-ibc-article {
  --rs-primary: #173d54;
  --rs-accent: #087f8c;
  --rs-text: #344454;
  --rs-muted: #617282;
  --rs-border: #dce5ea;
  --rs-light: #f3f7f9;
  font-family: inherit;
  color: var(--rs-text);
  font-size: 16px;
  line-height: 1.8;
  max-width: 1100px;
  margin: 0 auto;
}
.rs-ibc-article * { box-sizing: border-box; }
.rs-ibc-article h2,
.rs-ibc-article h3 {
  font-family: inherit;
  color: var(--rs-primary);
  line-height: 1.35;
  font-weight: 700;
}
.rs-ibc-article h2 {
  font-size: clamp(25px,3vw,32px);
  margin: 45px 0 18px;
}
.rs-ibc-article h3 {
  font-size: clamp(20px,2.3vw,24px);
  margin: 30px 0 12px;
}
.rs-ibc-article p { margin: 0 0 19px; }
.rs-ibc-article ul,
.rs-ibc-article ol {
  margin: 0 0 23px;
  padding-left: 25px;
}
.rs-ibc-article li { margin-bottom: 8px; }
.rs-ibc-article a {
  color: var(--rs-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.rs-ibc-article a:hover { color: var(--rs-primary); }
.rs-ibc-article strong { color: #233747; }
.rs-ibc-article .rs-intro {
  font-size: 18px;
  line-height: 1.85;
}
.rs-ibc-article .rs-lead {
  font-size: 19px;
  font-weight: 600;
  color: var(--rs-primary);
}
.rs-ibc-article .rs-section {
  margin-bottom: 36px;
}
.rs-ibc-article .rs-callout {
  background: var(--rs-light);
  border-left: 4px solid var(--rs-accent);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 25px 0;
}
.rs-ibc-article .rs-callout p:last-child { margin-bottom: 0; }
.rs-ibc-article .rs-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 25px 0;
  border: 1px solid var(--rs-border);
  border-radius: 9px;
}
.rs-ibc-article table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
  margin: 0;
}
.rs-ibc-article th {
  background: var(--rs-primary)!important;
  color: #fff;
  font-weight: 600;
  text-align: left;
  padding: 15px;
  border: 1px solid var(--rs-primary);
}
.rs-ibc-article td {
  padding: 14px 15px;
  border: 1px solid var(--rs-border);
  vertical-align: top;
}
.rs-ibc-article tbody tr:nth-child(even) {
  background: #f7fafb;
}
.rs-ibc-article .rs-note {
  font-size: 14px;
  color: var(--rs-muted);
  line-height: 1.65;
}
.rs-ibc-article .rs-two-col {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 20px;
  margin: 25px 0;
}
.rs-ibc-article .rs-card {
  border: 1px solid var(--rs-border);
  border-radius: 10px;
  padding: 22px;
  background: #fff;
}
.rs-ibc-article .rs-card h3 { margin-top: 0; }
.rs-ibc-article .rs-card p:last-child { margin-bottom: 0; }
.rs-ibc-article .rs-checklist {
  padding: 24px;
  border: 1px solid var(--rs-border);
  border-radius: 10px;
  background: var(--rs-light);
  margin: 24px 0;
}
.rs-ibc-article .rs-checklist h3 { margin-top: 0; }
.rs-ibc-article .rs-checklist ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.rs-ibc-article .rs-checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 7px 0;
}
.rs-ibc-article .rs-checklist li::before {
  content: "☐";
  color: var(--rs-accent);
  font-size: 22px;
  line-height: 1.3;
}
.rs-ibc-article .rs-cta {
  background: var(--rs-primary);
  color: #fff;
  border-radius: 12px;
  padding: 32px;
  margin: 38px 0;
}
.rs-ibc-article .rs-cta h2,
.rs-ibc-article .rs-cta h3,
.rs-ibc-article .rs-cta strong {
  color: #fff;
}
.rs-ibc-article .rs-cta h2 { margin: 0 0 14px; }
.rs-ibc-article .rs-cta p { color: #e5eff4; }
.rs-ibc-article .rs-btn {
  display: inline-block;
  padding: 13px 24px;
  background: #fff;
  color: var(--rs-primary) !important;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.4;
  margin-top: 8px;
}
.rs-ibc-article .rs-btn:hover { background: #e8f4f5; }
.rs-ibc-article .rs-faq {
  border-bottom: 1px solid var(--rs-border);
  padding: 16px 0;
}
.rs-ibc-article .rs-faq h3 {
  font-size: 19px;
  margin: 0 0 8px;
}
.rs-ibc-article .rs-faq p { margin: 0; }
.rs-ibc-article .rs-references {
  background: var(--rs-light);
  padding: 25px;
  border-radius: 9px;
  margin-top: 30px;
  font-size: 14px;
}
.rs-ibc-article .rs-references h2 { margin-top: 0; }
.rs-ibc-article .rs-references li {
  overflow-wrap: anywhere;
}
@media(max-width:767px) {
  .rs-ibc-article { font-size: 15.5px; }
  .rs-ibc-article .rs-two-col { grid-template-columns: 1fr; }
  .rs-ibc-article .rs-intro { font-size: 16px; }
  .rs-ibc-article .rs-cta { padding: 24px 20px; }
  .rs-ibc-article .rs-card { padding: 18px; }
  .rs-ibc-article th,
  .rs-ibc-article td { padding: 11px; }
}/* End custom CSS */