:root {
  --paper: #f7f3ea;
  --paper-deep: #efe8d8;
  --ink: #202629;
  --muted: #697078;
  --line: #ccd6d8;
  --blue: #1d5fa7;
  --blue-dark: #174d87;
  --blue-soft: #dbe8f2;
  --green: #2f7a3d;
  --copper: #a45f35;
  --shadow: rgba(32, 38, 41, 0.08);
  --mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --ui: "IBM Plex Sans", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --display: Impact, "Arial Narrow", "Roboto Condensed", "Archivo Black", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color: var(--ink);
  background:
    linear-gradient(rgba(29, 95, 167, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 95, 167, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px, 32px 32px, auto;
  font-family: var(--ui);
}

body {
  margin: 0;
}

body::after {
  position: fixed;
  left: 24px;
  top: 18px;
  width: 30px;
  height: 146px;
  pointer-events: none;
  background:
    linear-gradient(var(--blue), var(--blue)) 0 10px / 30px 1px no-repeat,
    linear-gradient(var(--blue), var(--blue)) 4px 0 / 1px 144px no-repeat,
    linear-gradient(90deg, rgba(29, 95, 167, 0.18) 1px, transparent 1px) 4px 18px / 9px 9px,
    linear-gradient(rgba(29, 95, 167, 0.18) 1px, transparent 1px) 4px 18px / 9px 9px;
  content: "";
  z-index: 3;
}

body::before {
  position: fixed;
  left: 18px;
  top: 24px;
  width: 12px;
  height: 12px;
  pointer-events: none;
  border: 2px solid var(--blue);
  border-radius: 50%;
  background: var(--paper);
  content: "";
  z-index: 4;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 18px;
  z-index: 20;
  transform: translateY(-140%);
  padding: 10px 14px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue-dark);
  font: 800 12px/1 var(--mono);
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 140ms ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.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;
}

.site-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px;
  align-items: start;
  width: calc(100% - 48px);
  max-width: 1536px;
  margin: 0 auto;
  padding: 28px 0 10px 56px;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: rgba(247, 243, 234, 0.68);
  box-shadow: none;
}

.eyebrow {
  display: none;
  margin: 0 0 8px;
  color: var(--green);
  font: 700 12px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  position: relative;
  display: inline-block;
  max-width: 1040px;
  margin: 24px 0 0;
  font-family: var(--display);
  font-size: clamp(40px, 4vw, 68px);
  line-height: 0.95;
  letter-spacing: 0;
  text-transform: uppercase;
  text-wrap: balance;
  color: var(--ink);
  text-shadow:
    1px 1px 0 rgba(20, 92, 155, 0.16),
    -1px 0 0 rgba(20, 92, 155, 0.08),
    0 2px 0 rgba(32, 38, 41, 0.05);
}

h1::before,
h1::after {
  position: absolute;
  inset: 0;
  content: attr(data-title);
  pointer-events: none;
  text-shadow: none;
}

h1::before {
  transform: translate(1px, 1px);
  color: rgba(29, 95, 167, 0.1);
  -webkit-mask-image:
    repeating-linear-gradient(96deg, transparent 0 4px, #000 4px 5px, transparent 5px 13px),
    radial-gradient(circle at 12% 34%, transparent 0 2px, #000 3px);
  mask-image:
    repeating-linear-gradient(96deg, transparent 0 4px, #000 4px 5px, transparent 5px 13px),
    radial-gradient(circle at 12% 34%, transparent 0 2px, #000 3px);
}

h1::after {
  color: rgba(247, 243, 234, 0.26);
  -webkit-mask-image: repeating-linear-gradient(105deg, transparent 0 6px, #000 6px 7px, transparent 7px 15px);
  mask-image: repeating-linear-gradient(105deg, transparent 0 6px, #000 6px 7px, transparent 7px 15px);
}

.subtitle {
  margin: 12px 0 0;
  max-width: 980px;
  font: 500 16px/1.45 var(--mono);
  color: #33383b;
}

.blueprint-stamp {
  position: relative;
  display: grid;
  grid-template-columns: 106px 1fr;
  grid-template-rows: 1fr 24px;
  gap: 0;
  align-items: stretch;
  min-height: 126px;
  padding: 0;
  color: var(--blue);
  border: 2px solid var(--blue);
  background: rgba(246, 241, 231, 0.72);
  font-family: var(--mono);
  text-transform: uppercase;
}

.blueprint-stamp::before {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
}

.blueprint-stamp::after {
  position: absolute;
  bottom: 0;
  left: 106px;
  width: 1px;
  height: 24px;
  background: currentColor;
  content: "";
}

.blueprint-stamp strong {
  display: block;
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: 0.03em;
}

.blueprint-stamp span {
  display: block;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid currentColor;
  font-size: 10px;
}

.blueprint-stamp small {
  display: block;
  grid-column: 1 / 3;
  grid-row: 2;
  padding: 7px 0 0 14px;
  font-size: 10px;
  line-height: 1;
}

.cube-mark {
  align-self: center;
  justify-self: center;
  display: block;
  width: 88px;
  height: 78px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.stamp-copy {
  grid-column: 2;
  grid-row: 1;
  padding: 16px 14px 0;
  border-left: 1px solid currentColor;
}

.workbench {
  position: relative;
  display: grid;
  grid-template-columns: minmax(340px, 385px) minmax(720px, 1fr) minmax(254px, 264px);
  width: calc(100% - 48px);
  max-width: 1536px;
  margin: 0 auto;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 243, 234, 0.42);
  box-shadow: none;
}

.setup-panel,
.preview-panel,
.materials-panel {
  border-right: 1px solid var(--line);
}

.setup-panel {
  grid-row: 1 / 3;
  padding: 18px 28px 10px;
}

.preview-panel {
  position: relative;
  scroll-margin-top: 18px;
  padding: 25px 22px 0;
}

.materials-panel {
  padding: 22px 16px 20px 28px;
  border-right: 0;
}

.setup-step + .setup-step {
  margin-top: 6px;
}

.setup-step h3,
.panel-heading h2 {
  margin: 0 0 10px;
  font: 800 15px/1.2 var(--mono);
  text-transform: uppercase;
}

.setup-step h3 span {
  display: inline-grid;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  place-items: center;
  color: #fff;
  background: var(--green);
  border: 0;
}

.drop-zone {
  display: grid;
  min-height: 138px;
  place-items: center;
  padding: 16px 24px;
  text-align: center;
  border: 2px dashed #9aa5aa;
  background: rgba(255, 255, 255, 0.22);
  color: var(--blue);
}

.drop-zone input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.drop-zone strong {
  display: block;
  font-family: var(--mono);
  font-size: 15px;
}

.drop-zone img {
  width: 76px;
  height: 60px;
  margin-bottom: 6px;
}

.drop-zone small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.drop-zone.is-dragging {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.secondary-button,
.primary-button,
.export-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 40px;
  border-radius: 5px;
  border: 1px solid #99a7ad;
  background: rgba(255, 255, 255, 0.38);
  color: var(--ink);
  font: 800 13px/1 var(--mono);
  text-transform: uppercase;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.secondary-button:hover,
.export-button:hover {
  border-color: var(--blue);
  background: rgba(219, 232, 242, 0.46);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.primary-button:active,
.secondary-button:active,
.export-button:active {
  transform: translateY(1px);
}

.secondary-button {
  width: 100%;
  margin-top: 0;
}

.primary-button {
  width: 100%;
  color: #fff;
  border-color: #0e4e91;
  background: var(--blue);
  gap: 10px;
}

.primary-button.is-processing {
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.16) 0 10px, transparent 10px 20px),
    var(--blue);
}

.export-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.export-button:first-child {
  color: var(--green);
  border-color: var(--green);
}

.export-button:last-child {
  color: var(--blue);
  border-color: var(--blue);
}

.export-button.is-complete {
  color: #fff;
  border-color: var(--green);
  background: var(--green);
}

.quiet-note {
  margin: 4px 0 0;
  color: var(--muted);
  font: 10px/1.32 var(--mono);
}

.or-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin: 7px auto;
  width: 70px;
  color: var(--muted);
  font: 12px/1 var(--mono);
  text-transform: uppercase;
}

.or-divider::before,
.or-divider::after {
  height: 1px;
  background: #c3c9c7;
  content: "";
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 164px;
  gap: 8px 12px;
  align-items: center;
  font: 13px var(--mono);
}

.stepper {
  display: grid;
  grid-template-columns: 34px 1fr 34px;
  border: 1px solid #c6cdd0;
  background: rgba(255, 255, 255, 0.3);
}

.stepper input,
.stepper button {
  min-width: 0;
  height: 32px;
  border: 0;
  border-left: 1px solid #c6cdd0;
  background: transparent;
  text-align: center;
}

.stepper button:first-child {
  border-left: 0;
}

.select-label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font: 12px var(--mono);
}

select {
  width: 100%;
  height: 38px;
  padding: 0 12px 0 44px;
  border: 1px solid #aeb9bd;
  border-radius: 5px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.38), transparent 44%) 13px 50% / 22px 22px no-repeat,
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.14) 0 1px, transparent 1px 5px) 13px 50% / 22px 22px no-repeat,
    linear-gradient(315deg, rgba(0, 0, 0, 0.22), transparent 52%) 13px 50% / 22px 22px no-repeat,
    linear-gradient(#777d78, #777d78) 13px 50% / 22px 22px no-repeat,
    rgba(255, 255, 255, 0.4);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(9, 24px);
  gap: 6px;
  margin-top: 10px;
}

.swatch {
  width: 24px;
  height: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 42%),
    linear-gradient(315deg, rgba(0, 0, 0, 0.18), transparent 48%),
    var(--swatch-color, #a0a0a0);
  border: 1px solid rgba(32, 38, 41, 0.28);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.35),
    inset -2px -2px 0 rgba(0, 0, 0, 0.18);
}

.palette-swatch {
  position: relative;
  border-color: rgba(32, 38, 41, 0.38);
  border-radius: 2px;
  image-rendering: pixelated;
}

.palette-swatch::before,
.palette-swatch::after {
  position: absolute;
  inset: 2px;
  pointer-events: none;
  content: "";
}

.palette-swatch::before {
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 6px),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.12) 0 1px, transparent 1px 7px);
  opacity: 0.78;
}

.palette-swatch::after {
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  border-left: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow:
    inset -3px -3px 0 rgba(0, 0, 0, 0.13),
    inset 2px 2px 0 rgba(255, 255, 255, 0.12);
}

.palette-swatch:nth-child(3n)::before {
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.28) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 65%, rgba(0, 0, 0, 0.18) 0 1px, transparent 2px),
    repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.09) 0 1px, transparent 1px 6px);
}

.palette-swatch:nth-child(4n)::before {
  background:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.15) 0 1px, transparent 1px 5px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14), transparent 52%, rgba(0, 0, 0, 0.13));
}

.material-swatch {
  border-radius: 1px;
}

.palette-options-panel {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.palette-option-card {
  width: 100%;
  min-height: 58px;
  padding: 7px 9px;
  border: 1px solid #aeb9bd;
  border-radius: 4px;
  background:
    linear-gradient(90deg, rgba(29, 95, 167, 0.16) 0 2px, transparent 2px),
    rgba(255, 255, 255, 0.34);
  color: var(--ink);
  font-family: var(--mono);
  text-align: left;
}

.palette-option-card strong {
  display: block;
  font-size: 11px;
  line-height: 1.2;
  text-transform: uppercase;
}

.palette-option-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.palette-option-card small {
  display: block;
  margin-top: 5px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
}

.palette-option-card[aria-pressed="true"] {
  border-color: var(--blue);
  background:
    linear-gradient(90deg, var(--blue) 0 3px, transparent 3px),
    rgba(219, 232, 242, 0.62);
  box-shadow: inset 0 0 0 1px rgba(29, 95, 167, 0.2);
}

.palette-option-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.button-grid-icon {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background:
    linear-gradient(rgba(255,255,255,.9), rgba(255,255,255,.9)) 33% 0 / 1px 100% no-repeat,
    linear-gradient(rgba(255,255,255,.9), rgba(255,255,255,.9)) 66% 0 / 1px 100% no-repeat,
    linear-gradient(90deg, rgba(255,255,255,.9), rgba(255,255,255,.9)) 0 33% / 100% 1px no-repeat,
    linear-gradient(90deg, rgba(255,255,255,.9), rgba(255,255,255,.9)) 0 66% / 100% 1px no-repeat;
}

.comparison-labels {
  display: grid;
  grid-template-columns: 150px minmax(48px, 1fr) max-content minmax(48px, 1fr);
  gap: 16px;
  margin-bottom: 16px;
  color: var(--ink);
  font: 800 12px var(--mono);
  text-transform: uppercase;
  white-space: nowrap;
}

.label-arrow {
  position: relative;
  align-self: center;
  height: 1px;
  background: var(--blue);
}

.label-arrow::after {
  position: absolute;
  right: 0;
  top: -4px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--blue);
  border-top: 1px solid var(--blue);
  transform: rotate(45deg);
  content: "";
}

.preview-grid {
  display: grid;
  grid-template-columns: 143px 546px;
  gap: 30px;
  align-items: start;
}

.input-preview canvas,
.blueprint-preview canvas {
  width: 100%;
  height: auto;
  border: 1px solid #8aa5b7;
  background: #f8f4eb;
}

.input-preview canvas {
  box-shadow: none;
  image-rendering: auto;
}

.blueprint-preview canvas {
  image-rendering: pixelated;
  box-shadow: none;
}

.input-preview p {
  margin: 10px 0 0;
  color: var(--blue);
  font: italic 13px var(--mono);
  text-align: center;
}

.input-preview p::before {
  display: block;
  margin: 0 auto 4px;
  width: 1px;
  height: 20px;
  background: var(--blue);
  box-shadow:
    -4px 4px 0 -3px var(--blue),
    4px 4px 0 -3px var(--blue);
  content: "";
}

.transition-arrow {
  display: none;
}

.scale-mark {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  margin-top: 10px;
  color: var(--blue);
  font: 700 14px var(--mono);
  text-transform: uppercase;
}

.scale-mark span {
  height: 1px;
  background: var(--blue);
}

.blueprint-notes {
  grid-column: 2 / 4;
  align-self: start;
  display: grid;
  grid-template-columns: 1.05fr 1.35fr 2.35fr 1.2fr 104px;
  margin: 18px 0 8px 24px;
  border: 1px solid var(--blue);
  color: var(--blue);
  font-family: var(--mono);
}

.blueprint-notes > div {
  min-height: 92px;
  padding: 10px 14px;
  border-right: 1px solid var(--blue);
}

.blueprint-notes > div:last-child {
  border-right: 0;
}

.blueprint-notes strong {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  text-transform: uppercase;
}

.blueprint-notes p {
  margin: 0;
  font-size: 11px;
  line-height: 1.45;
}

.scale-cell p {
  white-space: nowrap;
}

.note-cell p {
  font-family: "Bradley Hand", "Segoe Print", "Comic Sans MS", cursive;
  font-size: 14px;
  line-height: 1.45;
}

.drawn-cell strong + p + strong {
  margin-top: 11px;
}

.mini-ruler {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 12px;
  padding-top: 9px;
  border-top: 1px solid currentColor;
  font-size: 10px;
}

.mini-ruler span {
  position: absolute;
}

.mini-ruler span::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 1px;
  height: 9px;
  background: currentColor;
  content: "";
}

.mini-ruler span {
  position: relative;
  text-align: left;
}

.mini-ruler span:last-child {
  text-align: right;
}

.compass-cell {
  display: grid;
  place-items: center;
  padding: 5px;
}

.compass-cell img {
  display: block;
  width: 78px;
  height: 78px;
}

.workbench-disclaimer {
  grid-column: 1 / -1;
  margin: 12px 0 16px;
  color: var(--muted);
  text-align: center;
  font: 12px/1.2 var(--mono);
}

.panel-heading {
  display: flex;
  justify-content: center;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 20px;
  padding-bottom: 0;
  border-bottom: 0;
}

.panel-heading span {
  color: var(--muted);
  font: 12px var(--mono);
}

.materials-head,
.materials-total {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px 32px;
  gap: 8px;
  align-items: center;
  padding: 0 0 12px 28px;
  border-bottom: 1px solid var(--line);
  color: #3d4448;
  font: 800 10px/1 var(--mono);
  text-transform: uppercase;
}

.materials-table {
  display: grid;
}

.material-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 42px 32px;
  gap: 8px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font: 10px var(--mono);
}

.material-row .swatch {
  width: 18px;
  height: 18px;
}

.material-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.material-row span:last-child {
  color: var(--muted);
}

.materials-total {
  padding-top: 12px;
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--ink);
}

.examples-section,
.guide-section,
.seo-section {
  position: relative;
  width: calc(100% - 48px);
  max-width: 1536px;
  margin: 0 auto;
  padding: 56px 28px 64px 56px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background:
    linear-gradient(rgba(29, 95, 167, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 95, 167, 0.035) 1px, transparent 1px),
    rgba(247, 243, 234, 0.44);
  background-size: 24px 24px, 24px 24px, auto;
}

.guide-section,
.seo-section {
  padding-top: 48px;
}

.examples-section::after,
.guide-section::after,
.seo-section::after {
  position: absolute;
  top: 22px;
  right: 28px;
  color: var(--blue);
  font: 800 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.examples-section::after {
  content: "Reference Projects";
}

.guide-section::after {
  content: "Builder Manual";
}

.seo-section::after {
  content: "Field Notes";
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(270px, 0.88fr) minmax(420px, 1.6fr);
  gap: 40px;
  align-items: end;
  max-width: none;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--blue);
}

.section-heading h2,
.seo-section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(34px, 3.5vw, 56px);
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
}

.section-heading p:not(.eyebrow),
.seo-section p {
  max-width: 760px;
  margin: 0;
  color: #3d4448;
  font: 500 14px/1.7 var(--mono);
}

.example-grid,
.guide-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--blue);
  border-left: 1px solid var(--blue);
}

.example-card,
.guide-grid article,
.faq-grid article {
  position: relative;
  min-height: 214px;
  padding: 18px;
  text-align: left;
  border: 0;
  border-right: 1px solid var(--blue);
  border-bottom: 1px solid var(--blue);
  border-radius: 0;
  background: rgba(247, 243, 234, 0.28);
}

.example-card {
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 0;
  color: var(--ink);
}

.example-card strong,
.example-card small {
  display: block;
}

.example-card small {
  margin-top: 7px;
  color: var(--blue);
  font-family: var(--mono);
  text-transform: uppercase;
}

.example-card strong {
  margin-top: 14px;
  font: 800 15px/1.2 var(--mono);
  text-transform: uppercase;
}

.example-thumb {
  display: block;
  min-height: 148px;
  margin-bottom: 0;
  border: 1px solid var(--blue);
  image-rendering: pixelated;
}

.mountain-thumb {
  background:
    linear-gradient(rgba(29, 95, 167, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 95, 167, 0.1) 1px, transparent 1px),
    url("assets/mountain-demo.png");
  background-size: 12px 12px, 12px 12px, cover;
  background-position: center;
}

.logo-thumb {
  background:
    linear-gradient(rgba(29, 95, 167, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 95, 167, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, transparent 41%, #244b9b 42% 57%, transparent 58%),
    linear-gradient(transparent 41%, #d6a93a 42% 57%, transparent 58%),
    #f7f3ea;
  background-size: 12px 12px, 12px 12px, auto, auto, auto;
}

.avatar-thumb {
  background:
    linear-gradient(rgba(29, 95, 167, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 95, 167, 0.12) 1px, transparent 1px),
    radial-gradient(circle at 50% 35%, #d4c78c 0 16%, transparent 17%),
    linear-gradient(90deg, transparent 35%, #3b2615 36% 64%, transparent 65%),
    linear-gradient(#4f8f92 0 55%, #4f678f 56%);
  background-size: 12px 12px, 12px 12px, auto, auto, auto;
}

.guide-grid article span {
  display: inline-grid;
  width: 36px;
  height: 36px;
  margin-bottom: 20px;
  place-items: center;
  color: #fff;
  background: var(--green);
  font: 800 13px var(--mono);
}

.guide-grid h3,
.faq-grid h3 {
  margin: 0 0 12px;
  font: 800 17px/1.25 var(--mono);
  text-transform: uppercase;
}

.guide-grid p,
.faq-grid p {
  margin: 0;
  color: #3d4448;
  font: 500 14px/1.65 var(--mono);
}

.seo-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(580px, 1.8fr);
  gap: 42px;
}

.seo-section h2 {
  max-width: 440px;
}

.seo-section > p {
  grid-column: 2;
  max-width: 820px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--blue);
}

.faq-title {
  grid-column: 1;
  align-self: start;
  padding-top: 18px;
  border-top: 1px solid var(--blue);
}

.faq-grid {
  grid-column: 2;
  grid-template-columns: 1fr;
}

.faq-grid article {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1.15fr);
  gap: 24px;
  align-items: start;
}

.site-footer {
  max-width: 1680px;
  margin: 0 auto;
  padding: 24px 28px 34px;
  color: var(--muted);
  text-align: center;
  font: 12px var(--mono);
}

.site-footer a,
.policy-back-link {
  color: var(--blue);
  font-weight: 800;
  text-transform: uppercase;
}

.policy-page {
  min-height: calc(100vh - 96px);
  padding: 64px 24px 32px;
}

.policy-panel {
  max-width: 760px;
  margin: 24px auto 0;
  padding: 34px;
  border: 1px solid var(--blue);
  background:
    linear-gradient(rgba(29, 95, 167, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 95, 167, 0.08) 1px, transparent 1px),
    rgba(247, 243, 234, 0.88);
  background-size: 24px 24px;
  box-shadow: 0 18px 42px rgba(32, 38, 41, 0.12);
}

.policy-panel h1 {
  margin: 0 0 18px;
  color: var(--blue);
  font: 800 clamp(34px, 6vw, 64px)/0.95 var(--display);
  text-transform: uppercase;
}

.policy-panel p:not(.eyebrow) {
  margin: 12px 0;
  color: var(--ink);
  font: 16px/1.7 var(--sans);
}

.policy-back-link {
  display: block;
  width: fit-content;
  margin: 0 auto;
  font: 800 12px/1.2 var(--mono);
}

.noscript-panel {
  width: calc(100% - 48px);
  max-width: 1536px;
  margin: 0 auto 24px;
  padding: 18px 56px;
  border: 1px solid var(--blue);
  color: var(--blue);
  background: rgba(247, 243, 234, 0.78);
  font-family: var(--mono);
}

.noscript-panel strong {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  text-transform: uppercase;
}

.noscript-panel p {
  margin: 0;
  color: #3d4448;
  font-size: 12px;
  line-height: 1.55;
}

.error-sheet {
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 100vh;
  width: calc(100% - 48px);
  max-width: 960px;
  margin: 0 auto;
  padding: 72px 56px;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(247, 243, 234, 0.62);
}

.error-sheet h1 {
  margin-top: 0;
}

.error-sheet p {
  max-width: 720px;
  margin: 0;
  font: 500 16px/1.65 var(--mono);
}

.error-code {
  color: var(--blue);
  font: 800 12px/1.2 var(--mono);
  text-transform: uppercase;
}

.error-link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: fit-content;
  min-height: 44px;
  padding: 0 18px;
  color: #fff;
  border: 1px solid #0e4e91;
  background: var(--blue);
  font: 800 13px/1 var(--mono);
  text-decoration: none;
  text-transform: uppercase;
}

@media (max-width: 1360px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

  .workbench {
    grid-template-columns: minmax(300px, 320px) minmax(560px, 1fr) minmax(230px, 250px);
  }

  .comparison-labels {
    grid-template-columns: minmax(116px, 130px) minmax(40px, 1fr) max-content minmax(40px, 1fr);
    gap: 12px;
  }

  .preview-grid {
    grid-template-columns: minmax(116px, 130px) minmax(420px, 1fr);
    gap: 20px;
  }

  .preview-panel {
    padding-right: 16px;
    padding-left: 16px;
  }

  .materials-panel {
    padding-left: 20px;
  }

  .materials-head,
  .materials-total {
    padding-left: 22px;
  }

  .blueprint-notes {
    grid-column: 2 / 4;
    grid-template-columns: 1.05fr 1.3fr 2.1fr 1.1fr 92px;
    margin: 18px 0 8px 16px;
  }

  .section-heading,
  .seo-section,
  .seo-section > p,
  .faq-title,
  .faq-grid {
    grid-template-columns: 1fr;
    grid-column: auto;
  }
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 1fr;
  }

  .blueprint-stamp {
    max-width: 320px;
  }

  .workbench {
    grid-template-columns: 320px 1fr;
  }

  .comparison-labels {
    grid-template-columns: 150px 1fr;
  }

  .preview-grid {
    grid-template-columns: minmax(150px, 180px) minmax(320px, 1fr);
    gap: 18px;
  }

  .materials-panel {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
  }

  .setup-panel,
  .blueprint-notes {
    grid-row: auto;
  }

  .blueprint-notes {
    grid-column: 1 / -1;
    margin: 18px;
  }
}

@media (max-width: 820px) {
  .site-header,
  .setup-panel,
  .preview-panel,
  .materials-panel,
  .examples-section,
  .guide-section,
  .seo-section,
  .error-sheet {
    padding-left: 18px;
    padding-right: 18px;
  }

  .workbench,
  .preview-grid,
  .comparison-labels,
  .blueprint-notes,
  .section-heading,
  .seo-section,
  .example-grid,
  .guide-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .examples-section::after,
  .guide-section::after,
  .seo-section::after {
    position: static;
    display: block;
    margin-bottom: 16px;
  }

  .faq-grid article {
    grid-template-columns: 1fr;
  }

  .input-preview {
    max-width: 240px;
  }

  .transition-arrow {
    padding-top: 0;
    text-align: center;
  }

  .setup-panel,
  .preview-panel,
  .materials-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .transition-arrow {
    display: none;
  }

  .materials-head,
  .materials-total {
    grid-template-columns: minmax(0, 1fr) 58px 44px;
    padding-left: 0;
  }

  .material-row {
    grid-template-columns: 22px minmax(0, 1fr) 58px 44px;
    gap: 9px;
    font-size: 11px;
  }

  .blueprint-notes > div {
    border-right: 0;
    border-bottom: 1px solid var(--blue);
  }

  .blueprint-notes > div:last-child {
    border-bottom: 0;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .stepper {
    grid-template-columns: 48px 1fr 48px;
  }

  .stepper input,
  .stepper button,
  select,
  .primary-button,
  .secondary-button,
  .export-button {
    min-height: 44px;
  }

  .blueprint-notes {
    grid-column: auto;
  }
}