html,
body {
  max-width: 100%;
  overflow-x: clip;
}

.concrete-page-hero {
  position: relative;
  overflow: hidden;
}

.concrete-page-hero::before,
.concrete-page-hero::after {
  position: absolute;
  content: "";
  width: 210px;
  height: 210px;
  border: 1px solid rgba(255, 255, 255, .06);
  transform: rotate(24deg);
  pointer-events: none;
}

.concrete-page-hero::before {
  top: -145px;
  left: 8%;
}

.concrete-page-hero::after {
  right: 8%;
  bottom: -175px;
}

.concrete-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  padding: 5px 11px;
  border: 1px solid rgba(232, 101, 10, .42);
  border-radius: 999px;
  background: rgba(232, 101, 10, .13);
  color: #ffd2b3;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .45px;
  text-transform: uppercase;
}

.concrete-hero-badge span {
  color: var(--c-accent);
  animation: concreteBadgePulse 2.8s ease-in-out infinite;
}

.concrete-app {
  gap: 14px;
  padding-top: 18px;
}

.concrete-app,
.concrete-app * {
  min-width: 0;
}

.concrete-app .panel {
  border-color: #deddd8;
  border-radius: 15px;
  box-shadow: 0 8px 28px rgba(26, 36, 50, .055);
}

.concrete-type-panel {
  padding-bottom: 17px;
}

.concrete-type-switch {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.concrete-type-switch button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  min-height: 64px;
  padding: 9px 10px;
  column-gap: 8px;
  border: 1.5px solid var(--c-border);
  border-radius: 10px;
  background: #fafaf8;
  color: var(--c-text);
  text-align: left;
  transition: border-color .18s, background .18s, box-shadow .18s, transform .18s;
}

.concrete-type-switch button > span {
  display: grid;
  grid-row: 1 / 3;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: #ecebe6;
  color: #68717d;
  font-size: 18px;
  line-height: 1;
}

.concrete-type-switch button strong {
  align-self: end;
  color: var(--c-navy);
  font-size: 12px;
}

.concrete-type-switch button small {
  align-self: start;
  overflow: hidden;
  color: var(--c-muted);
  font-size: 9px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.concrete-type-switch button:hover {
  border-color: #efb58d;
  transform: translateY(-1px);
}

.concrete-type-switch button.active {
  border-color: var(--c-accent);
  background: #fff6ef;
  box-shadow: 0 0 0 3px rgba(232, 101, 10, .09);
}

.concrete-type-switch button.active > span {
  background: var(--c-accent);
  color: #fff;
}

.concrete-layout {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  align-items: start;
  gap: 14px;
}

.concrete-controls {
  min-width: 0;
}

.concrete-controls--sticky {
  position: sticky;
  z-index: 2;
  top: 76px;
}

.concrete-results {
  position: sticky;
  top: 76px;
  overflow: hidden;
  min-width: 0;
}

.concrete-fields-panel {
  animation: concretePanelIn .2s ease-out both;
}

.concrete-fields-panel[hidden] {
  display: none;
}

.concrete-fields-2,
.concrete-fields-3 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.concrete-fields-3 {
  grid-template-columns: 1fr;
  gap: 0;
}

.concrete-field {
  margin-bottom: 14px;
}

.concrete-field > label,
.concrete-shape-field legend {
  display: block;
  width: 100%;
  margin-bottom: 6px;
  color: var(--c-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .55px;
  text-transform: uppercase;
}

.concrete-shape-field {
  margin: 0 0 14px;
  padding: 0;
  border: 0;
}

.concrete-shape-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.concrete-shape-switch button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-bg);
  color: #59616c;
  font-size: 11px;
  font-weight: 600;
  transition: .18s;
}

.concrete-shape-switch button:hover {
  border-color: #efb58d;
}

.concrete-shape-switch button.active {
  border-color: var(--c-accent);
  background: #fff4eb;
  color: #b84b03;
  box-shadow: 0 0 0 2px rgba(232, 101, 10, .07);
}

.concrete-stepper {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 40px;
  align-items: stretch;
  min-height: 42px;
  overflow: hidden;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-bg);
  transition: border-color .18s, box-shadow .18s, background .18s;
}

.concrete-stepper:focus-within {
  border-color: var(--c-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(232, 101, 10, .12);
}

.concrete-stepper--error {
  border-color: var(--c-red);
  box-shadow: 0 0 0 3px rgba(217, 48, 37, .08);
}

.concrete-stepper > button {
  display: grid;
  place-items: center;
  border: 0;
  background: #e9e8e3;
  color: var(--c-navy);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  transition: background .18s, color .18s;
}

.concrete-stepper > button:last-child {
  background: var(--c-accent);
  color: #fff;
}

.concrete-stepper > button:hover {
  background: #dcdad3;
  color: #111;
}

.concrete-stepper > button:last-child:hover {
  background: var(--c-accent-h);
  color: #fff;
}

.concrete-input-wrap {
  position: relative;
  min-width: 0;
}

.concrete-input-wrap input {
  width: 100%;
  height: 100%;
  min-height: 39px;
  padding: 8px 62px 8px 12px;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  box-shadow: none;
  -moz-appearance: textfield;
}

.concrete-input-wrap input::-webkit-inner-spin-button,
.concrete-input-wrap input::-webkit-outer-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.concrete-input-wrap span {
  position: absolute;
  top: 50%;
  right: 10px;
  max-width: 58px;
  overflow: hidden;
  transform: translateY(-50%);
  color: #727272;
  font-size: 10px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
  pointer-events: none;
}

.concrete-select {
  width: 100%;
  min-height: 42px;
  padding: 8px 35px 8px 12px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  outline: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 13px;
  transition: .18s;
}

.concrete-select:focus {
  border-color: var(--c-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(232, 101, 10, .12);
}

.concrete-hint {
  margin: 5px 1px 0;
  color: #7a8189;
  font-size: 9.5px;
  line-height: 1.5;
}

.concrete-stairs-note {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 1px solid #ead9cc;
  border-radius: 9px;
  background: #fff8f2;
}

.concrete-stairs-note > span {
  display: grid;
  flex: 0 0 31px;
  width: 31px;
  height: 31px;
  place-items: center;
  border-radius: 8px;
  background: var(--c-accent);
  color: #fff;
}

.concrete-stairs-note p {
  color: #626870;
  font-size: 10px;
  line-height: 1.55;
}

.concrete-common-settings {
  margin-top: 4px;
  padding-top: 17px;
  border-top: 1px solid var(--c-border);
}

.concrete-quick-values {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 7px;
}

.concrete-quick-values button {
  min-width: 45px;
  padding: 5px 9px;
  border: 1px solid #deddd8;
  border-radius: 7px;
  background: #fafaf8;
  color: #68717b;
  font-size: 10px;
  font-weight: 600;
}

.concrete-quick-values button.active {
  border-color: var(--c-accent);
  background: #fff2e8;
  color: #b84900;
}

.concrete-advanced {
  margin-top: 4px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: #fafaf8;
}

.concrete-advanced summary {
  display: flex;
  position: relative;
  flex-direction: column;
  padding: 12px 42px 12px 14px;
  cursor: pointer;
  list-style: none;
}

.concrete-advanced summary::-webkit-details-marker {
  display: none;
}

.concrete-advanced summary::after {
  position: absolute;
  top: 50%;
  right: 15px;
  content: "+";
  transform: translateY(-50%);
  color: var(--c-accent);
  font-size: 20px;
  line-height: 1;
}

.concrete-advanced[open] summary::after {
  content: "−";
}

.concrete-advanced summary span {
  color: var(--c-navy);
  font-size: 12px;
  font-weight: 600;
}

.concrete-advanced summary small {
  margin-top: 2px;
  color: var(--c-muted);
  font-size: 9px;
}

.concrete-advanced-body {
  padding: 14px;
  border-top: 1px solid var(--c-border);
}

.field-error {
  min-height: 16px;
  margin-top: 8px;
  color: var(--c-red);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.45;
}

.concrete-results-content {
  transition: filter .2s ease, opacity .2s ease, transform .2s ease;
}

.concrete-results--blocked .concrete-results-content {
  filter: blur(5px);
  opacity: .42;
  transform: scale(.992);
  user-select: none;
  pointer-events: none;
}

.concrete-result-error {
  display: grid;
  position: absolute;
  z-index: 20;
  inset: 0;
  place-items: center;
  padding: 24px;
  background: rgba(245, 244, 240, .68);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.concrete-result-error[hidden] {
  display: none;
}

.concrete-result-error__card {
  width: min(100%, 330px);
  padding: 24px 22px;
  border: 1px solid rgba(194, 66, 50, .28);
  border-radius: 14px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 18px 45px rgba(31, 43, 60, .16);
  text-align: center;
}

.concrete-result-error__icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  place-items: center;
  border-radius: 50%;
  background: #fff0ed;
  color: #c64030;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 0 0 6px rgba(198, 64, 48, .07);
}

.concrete-result-error__card strong {
  display: block;
  color: var(--c-navy);
  font-size: 17px;
  line-height: 1.3;
}

.concrete-result-error__card p {
  margin: 8px 0 0;
  color: #5f6975;
  font-size: 12px;
  line-height: 1.55;
}

.concrete-preview-card {
  overflow: hidden;
  border: 1px solid #dbe1e5;
  border-radius: 12px;
  background: linear-gradient(180deg, #f8fafb, #eef2f3);
}

.concrete-preview-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 13px;
  border-bottom: 1px solid #dbe1e5;
  background: rgba(255, 255, 255, .72);
}

.concrete-preview-heading strong {
  color: var(--c-navy);
  font-size: 12px;
}

.concrete-preview-heading span {
  overflow: hidden;
  color: #707b86;
  font-size: 9px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.concrete-preview {
  width: 100%;
  height: 260px;
}

.concrete-preview-note {
  padding: 8px 12px;
  border-top: 1px solid #dbe1e5;
  color: #78828c;
  font-size: 8.5px;
  line-height: 1.45;
  text-align: center;
}

.concrete-preview .grid-line {
  stroke: #dfe6e9;
  stroke-width: 1;
}

.concrete-preview .concrete-face {
  fill: #c9b8aa;
  stroke: #8e7563;
  stroke-width: 2.2;
}

.concrete-preview .concrete-top {
  fill: #e7ddd5;
  stroke: #8e7563;
  stroke-width: 2.2;
}

.concrete-preview .concrete-side {
  fill: #aa9584;
  stroke: #806957;
  stroke-width: 2.2;
}

.concrete-preview .pile-body {
  fill: #d8c9bd;
  fill-opacity: .72;
  stroke: #8e7563;
  stroke-width: 2;
}

.concrete-preview .pile-top {
  fill: #eee6df;
  fill-opacity: .92;
  stroke: #8e7563;
  stroke-width: 2;
}

.concrete-preview .soil {
  fill: #d9c8b2;
}

.concrete-preview .soil-line {
  stroke: #ad9477;
  stroke-width: 2;
}

.concrete-preview .dimension {
  fill: #627184;
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 600;
}

.concrete-preview .dimension-line {
  fill: none;
  stroke: #78879a;
  stroke-width: 1.3;
}

.concrete-preview .structure-line {
  fill: none;
  stroke: #7f6958;
  stroke-width: 3;
  stroke-linejoin: round;
}

.concrete-primary-result {
  position: relative;
  overflow: hidden;
  margin: 13px -20px 0;
  padding: 17px 20px 18px;
  background: linear-gradient(120deg, var(--c-navy), #30455e);
  color: #fff;
}

.concrete-primary-result::after {
  position: absolute;
  right: -28px;
  bottom: -50px;
  width: 140px;
  height: 140px;
  content: "";
  border: 18px solid rgba(255, 255, 255, .045);
  border-radius: 50%;
}

.concrete-primary-result > span {
  display: block;
  color: rgba(255, 255, 255, .58);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .55px;
  text-transform: uppercase;
}

.concrete-primary-result strong {
  display: block;
  position: relative;
  z-index: 1;
  margin: 2px 0;
  color: #fff;
  font-size: 19px;
  font-weight: 500;
}

.concrete-primary-result strong b {
  color: #ff8a3b;
  font-size: clamp(34px, 6vw, 48px);
  font-weight: 600;
  letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums;
}

.concrete-primary-result small {
  display: block;
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, .57);
  font-size: 9px;
}

.concrete-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin: 12px 0;
}

.concrete-stat-grid article {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 82px;
  padding: 10px;
  border: 1px solid var(--c-border);
  border-radius: 9px;
  background: #fafaf8;
}

.concrete-stat-grid article > span {
  margin-bottom: 4px;
  color: var(--c-accent);
  font-size: 15px;
  line-height: 1;
}

.concrete-stat-grid small {
  color: #7b8289;
  font-size: 8px;
  line-height: 1.3;
}

.concrete-stat-grid strong {
  margin-top: 3px;
  color: var(--c-navy);
  font-size: 12px;
  line-height: 1.25;
  font-variant-numeric: tabular-nums;
}

.concrete-breakdown {
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: 10px;
}

.concrete-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 11px;
  background: #f0efeb;
}

.concrete-section-title > span {
  color: #666d75;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .55px;
  text-transform: uppercase;
}

.concrete-print-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border: 1px solid #d6d4cf;
  border-radius: 6px;
  background: #fff;
  color: var(--c-navy);
  font-size: 9px;
  font-weight: 600;
}

.concrete-print-button:hover {
  border-color: var(--c-accent);
  color: var(--c-accent-h);
}

.concrete-breakdown-row {
  display: grid;
  grid-template-columns: minmax(100px, .8fr) minmax(0, 1.2fr);
  gap: 12px;
  align-items: center;
  padding: 9px 11px;
  border-top: 1px solid var(--c-border);
}

.concrete-breakdown-row span {
  color: #717980;
  font-size: 9px;
}

.concrete-breakdown-row strong {
  color: var(--c-navy);
  font-size: 9.5px;
  font-weight: 600;
  line-height: 1.45;
  text-align: right;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.concrete-section-heading {
  margin-bottom: 22px;
}

.concrete-section-heading > span {
  display: block;
  margin-bottom: 5px;
  color: var(--c-accent);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .7px;
  text-transform: uppercase;
}

.concrete-section-heading p {
  max-width: 760px;
  margin-top: 6px;
  color: var(--c-muted);
  font-size: 12px;
  line-height: 1.65;
}

.concrete-guide {
  padding-top: 30px;
}

.concrete-guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.concrete-guide-grid article {
  position: relative;
  overflow: hidden;
  min-height: 190px;
  padding: 19px;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(31, 43, 60, .035);
}

.concrete-guide-grid article::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--c-accent), #bca18e);
}

.concrete-guide-grid article > span {
  display: block;
  margin-bottom: 13px;
  color: #ddd5ce;
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
}

.concrete-guide-grid h3 {
  margin-bottom: 6px;
  color: var(--c-navy);
  font-size: 13px;
}

.concrete-guide-grid p {
  color: var(--c-muted);
  font-size: 10.5px;
  line-height: 1.65;
}

.concrete-reference {
  padding-top: 18px;
}

.concrete-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(31, 43, 60, .035);
  -webkit-overflow-scrolling: touch;
}

.concrete-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.concrete-table th,
.concrete-table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--c-border);
  font-size: 11px;
  text-align: left;
  font-variant-numeric: tabular-nums;
}

.concrete-table th {
  background: var(--c-navy);
  color: rgba(255, 255, 255, .72);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .45px;
  text-transform: uppercase;
}

.concrete-table tr:last-child td {
  border-bottom: 0;
}

.concrete-table tbody tr:nth-child(even) {
  background: #fafaf8;
}

.concrete-table td strong {
  color: var(--c-accent-h);
}

.concrete-content {
  padding-top: 20px;
}

.concrete-content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.concrete-classes .concrete-content-grid {
  margin-top: 12px;
}

.concrete-content-grid article {
  padding: 21px;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: #fff;
}

.concrete-content-grid article h2 {
  margin-bottom: 9px;
  font-size: 17px;
}

.concrete-content-grid article p {
  margin: 0 0 9px;
  color: var(--c-muted);
  font-size: 11.5px;
  line-height: 1.75;
}

.concrete-content-grid article p:last-child {
  margin-bottom: 0;
}

.concrete-source-card {
  display: flex;
  gap: 15px;
  margin-top: 12px;
  padding: 18px;
  border: 1px solid #d7e0e4;
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fafb, #edf2f4);
}

.concrete-source-card > span {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 10px;
  background: var(--c-navy);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

.concrete-source-card strong {
  color: var(--c-navy);
  font-size: 12px;
}

.concrete-source-card p {
  margin: 5px 0 9px;
  color: #626f78;
  font-size: 10.5px;
  line-height: 1.65;
}

.concrete-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.concrete-source-links a {
  color: #b84b03;
  font-size: 10px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.concrete-faq {
  padding-top: 18px;
}

.concrete-calculator-choice {
  padding-top: 22px;
  padding-bottom: 18px;
}

.concrete-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.concrete-choice-card {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  min-width: 0;
  padding: 17px;
  border: 1px solid var(--c-border);
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 6px 22px rgba(31, 43, 60, .04);
}

.concrete-choice-card__icon {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 11px;
  background: #ecebe6;
  color: #68717d;
  font-size: 19px;
}

.concrete-choice-card > div {
  min-width: 0;
}

.concrete-choice-card small {
  display: block;
  margin-bottom: 3px;
  color: #737d87;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .55px;
  text-transform: uppercase;
}

.concrete-choice-card h3 {
  margin-bottom: 5px;
  color: var(--c-navy);
  font-size: 13px;
  line-height: 1.3;
}

.concrete-choice-card p {
  color: var(--c-muted);
  font-size: 10.5px;
  line-height: 1.55;
}

.concrete-choice-card--current {
  border-color: #ddd9d2;
  background: #fafaf8;
}

.concrete-choice-card--current .concrete-choice-card__icon {
  background: var(--c-navy);
  color: #fff;
}

.concrete-choice-card--link {
  position: relative;
  padding-right: 44px;
  border-color: #efb58d;
  background: #fff7f1;
  transition: transform .18s, border-color .18s, box-shadow .18s;
}

.concrete-choice-card--link:hover {
  border-color: var(--c-accent);
  box-shadow: 0 9px 25px rgba(232, 101, 10, .1);
  transform: translateY(-2px);
}

.concrete-choice-card--link .concrete-choice-card__icon {
  background: var(--c-accent);
  color: #fff;
}

.concrete-choice-card--link > b {
  position: absolute;
  top: 50%;
  right: 16px;
  color: var(--c-accent);
  font-size: 20px;
  transform: translateY(-50%);
}

.concrete-related {
  padding-top: 0;
}

.concrete-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.concrete-related-grid a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(31, 43, 60, .035);
  transition: transform .18s, border-color .18s;
}

.concrete-related-grid a:hover {
  border-color: #efb58d;
  transform: translateY(-2px);
}

.concrete-related-grid a > span {
  display: grid;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 10px;
  background: #fff2e8;
  font-size: 19px;
}

.concrete-related-grid a > div {
  flex: 1;
}

.concrete-related-grid strong {
  color: var(--c-navy);
  font-size: 11px;
}

.concrete-related-grid p {
  margin-top: 3px;
  color: var(--c-muted);
  font-size: 9.5px;
  line-height: 1.4;
}

.concrete-related-grid b {
  color: var(--c-accent);
  font-size: 18px;
}

@keyframes concreteBadgePulse {
  0%, 100% { opacity: .55; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1.15); }
}

@keyframes concretePanelIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1040px) {
  .concrete-layout {
    grid-template-columns: 1fr;
  }

  .concrete-controls--sticky {
    position: relative;
    top: auto;
  }

  .concrete-results {
    position: relative;
    top: auto;
  }

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

  .concrete-related-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .concrete-type-switch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .concrete-type-switch button:last-child {
    grid-column: 1 / -1;
  }

  .concrete-fields-3 {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .concrete-primary-result {
    margin-right: -14px;
    margin-left: -14px;
  }

  .concrete-content-grid,
  .concrete-choice-grid,
  .concrete-related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .concrete-page-hero {
    padding-right: 14px;
    padding-left: 14px;
  }

  .concrete-hero-badge {
    max-width: calc(100% - 8px);
    justify-content: center;
    text-align: center;
  }

  .concrete-app {
    padding-right: 10px;
    padding-left: 10px;
  }

  .concrete-app .panel {
    padding: 14px;
    border-radius: 13px;
  }

  .concrete-type-switch button {
    grid-template-columns: 30px minmax(0, 1fr);
    min-height: 60px;
    padding: 8px;
  }

  .concrete-type-switch button > span {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }

  .concrete-fields-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .concrete-stepper {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
  }

  .concrete-preview {
    height: 220px;
  }

  .concrete-preview-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .concrete-preview-heading span {
    width: 100%;
    text-align: left;
  }

  .concrete-primary-result {
    margin-right: -14px;
    margin-left: -14px;
    padding-right: 14px;
    padding-left: 14px;
  }

  .concrete-stat-grid article {
    min-height: 74px;
  }

  .concrete-breakdown-row {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .concrete-breakdown-row strong {
    text-align: left;
  }

  .concrete-guide-grid {
    grid-template-columns: 1fr;
  }

  .concrete-guide-grid article {
    min-height: 0;
  }

  .concrete-source-card {
    display: block;
  }

  .concrete-source-card > span {
    margin-bottom: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .concrete-hero-badge span {
    animation: none;
  }

  .concrete-fields-panel,
  .concrete-type-switch button,
  .concrete-choice-card--link,
  .concrete-related-grid a {
    transition: none;
  }
}

@media print {
  .nav,
  .page-hero,
  .concrete-type-panel,
  .concrete-controls,
  .concrete-print-button,
  .info-section,
  .footer {
    display: none !important;
  }

  body {
    display: block;
    background: #fff;
  }

  .main-content,
  .concrete-app,
  .concrete-layout {
    display: block;
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .concrete-results {
    position: static;
    border: 0 !important;
    box-shadow: none !important;
  }

  .concrete-preview {
    height: 250px;
  }

  .concrete-primary-result {
    color: #fff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}