:root {
  --bg: #0d0d0d;
  --surface: #141414;
  --surface-2: #1c1c1c;
  --surface-3: #101010;
  --border: #2a2a2a;
  --border-bright: #3a3a3a;
  --green: #3db54a;
  --green-bright: #52d960;
  --green-soft: rgba(61, 181, 74, .1);
  --white: #f0f0f0;
  --muted: #939393;
  --danger: #ff7777;
  --warning: #f0b44b;
  --display: "Oswald", sans-serif;
  --copy: "Barlow Condensed", sans-serif;
  --mono: "JetBrains Mono", monospace;
  --shadow: 0 22px 70px rgba(0, 0, 0, .32);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background:
    linear-gradient(rgba(61,181,74,.046) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,181,74,.046) 1px, transparent 1px),
    var(--bg);
  background-size: 52px 52px;
  font-family: var(--copy);
  font-size: 17px;
  line-height: 1.45;
}

button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; }
.hidden { display: none !important; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 1000;
  padding: 10px 14px;
  color: #071008;
  background: var(--green-bright);
  font: 700 14px var(--mono);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 70px;
  padding: 0 max(22px, calc((100vw - 1320px) / 2));
  border-bottom: 1px solid var(--border);
  background: rgba(9, 9, 9, .94);
  backdrop-filter: blur(15px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { width: auto; height: 49px; display: block; }

.top-nav { display: flex; align-items: center; gap: 7px; }
.top-nav a,
.cart-jump {
  border: 1px solid transparent;
  border-radius: 3px;
  padding: 9px 12px;
  color: #b9b9b9;
  background: transparent;
  font: 600 13px var(--display);
  letter-spacing: .075em;
  text-decoration: none;
  text-transform: uppercase;
}
.top-nav a:hover,
.top-nav a:focus-visible { color: #fff; border-color: var(--border); }
.cart-jump {
  margin-left: 5px;
  color: #fff;
  border-color: rgba(61,181,74,.58);
  background: var(--green-soft);
}
.cart-jump span {
  display: inline-grid;
  min-width: 19px;
  height: 19px;
  margin-left: 5px;
  padding: 0 5px;
  place-items: center;
  border-radius: 20px;
  color: #08100a;
  background: var(--green-bright);
  font: 700 10px var(--mono);
}

main { overflow: hidden; }

.hero {
  padding: clamp(64px, 8vw, 120px) max(22px, calc((100vw - 1280px) / 2)) 54px;
  background:
    radial-gradient(circle at 77% 30%, rgba(61,181,74,.11), transparent 28%),
    linear-gradient(180deg, rgba(0,0,0,.26), transparent);
  border-bottom: 1px solid rgba(61,181,74,.12);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  color: var(--green-bright);
  font: 600 11px var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow span { width: 36px; height: 1px; background: var(--green); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr);
  align-items: end;
  gap: clamp(42px, 7vw, 100px);
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font: 700 clamp(58px, 8.2vw, 112px)/1.02 var(--display);
  letter-spacing: .005em;
  font-kerning: none;
  text-transform: uppercase;
}
h1 em { color: var(--green-bright); font-style: normal; }

.hero-copy {
  max-width: 740px;
  margin-bottom: 26px;
  color: #b8b8b8;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.42;
}

.capability-row { display: flex; flex-wrap: wrap; gap: 8px; }
.capability-row span,
.file-rule-row span {
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 7px 10px;
  color: #bcbcbc;
  background: rgba(10,10,10,.68);
  font: 500 10px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-aside-stack {
  align-self: stretch;
  display: grid;
  align-content: end;
  gap: 14px;
}
.usa-card {
  position: relative;
  overflow: hidden;
  min-height: 176px;
  padding: 25px 26px;
  border: 1px solid rgba(255,255,255,.13);
  border-left: 3px solid #b4202a;
  border-radius: 6px;
  background: #101110;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-end;
}
.usa-card::after {
  content: "USA";
  position: absolute;
  right: 14px;
  bottom: -18px;
  color: rgba(255,255,255,.035);
  font: 700 104px/.8 var(--display);
  letter-spacing: -.07em;
}
.usa-flag {
  position: absolute;
  inset: 0;
  opacity: .16;
  background: repeating-linear-gradient(to bottom, #b4202a 0 9px, #eee 9px 18px);
  transform: skewX(-9deg) scale(1.12);
  transform-origin: center;
}
.usa-flag::before {
  content: "";
  position: absolute;
  inset: 0 0 0 46%;
  background: linear-gradient(90deg, transparent, #0f1210 78%);
}
.usa-flag i {
  position: absolute;
  top: 0;
  left: 0;
  width: 47%;
  height: 54%;
  background-color: #1f3564;
  background-image: radial-gradient(circle, #fff 0 1px, transparent 1.3px);
  background-size: 13px 13px;
}
.usa-card > div { position: relative; z-index: 1; }
.usa-card strong,
.usa-card b { display: block; text-transform: uppercase; }
.usa-card strong { color: #f0f0f0; font: 700 28px/1 var(--display); }
.usa-card b { margin-top: 3px; color: var(--green-bright); font: 600 21px/1.05 var(--display); }
.usa-card p { max-width: 360px; margin: 11px 0 0; color: #aaa; font-size: 13px; line-height: 1.4; }

.tolerance-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(61,181,74,.34);
  border-radius: 6px;
  background: linear-gradient(145deg, rgba(61,181,74,.105), rgba(17,17,17,.97) 60%);
  box-shadow: var(--shadow);
}
.tolerance-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--green);
}
.tolerance-kicker {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font: 600 10px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.tolerance-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--green-bright);
  font: 700 38px var(--display);
}
.tolerance-card p { color: #aaa; line-height: 1.45; }
.tolerance-card a {
  color: #fff;
  font: 600 13px var(--mono);
  text-underline-offset: 4px;
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1280px;
  margin: 0 auto;
  border-right: 1px solid var(--border);
  border-left: 1px solid var(--border);
  background: rgba(15,15,15,.94);
}
.process-step {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 66px;
  padding: 14px 20px;
  border-right: 1px solid var(--border);
}
.process-step:last-child { border-right: 0; }
.process-step b { color: #525252; font: 600 11px var(--mono); }
.process-step span { color: #858585; font: 600 13px var(--display); letter-spacing: .06em; text-transform: uppercase; }
.process-step.active b,
.process-step.active span { color: var(--green-bright); }
.process-cart-link {
  min-height: 66px;
  padding: 14px 20px;
  border: 0;
  color: var(--green-bright);
  background: rgba(61,181,74,.055);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font: 600 13px var(--display);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.process-cart-link:hover { background: rgba(61,181,74,.11); }
.process-cart-link svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.process-cart-link b {
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 12px;
  color: #071008;
  background: var(--green-bright);
  display: grid;
  place-items: center;
  font: 700 10px var(--mono);
}

.beta-notice {
  width: min(1280px, calc(100% - 44px));
  margin: 18px auto 0;
  padding: 16px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid rgba(240,180,75,.32);
  border-left: 3px solid var(--warning);
  border-radius: 4px;
  background: rgba(240,180,75,.055);
}
.beta-tag {
  flex: 0 0 auto;
  padding: 5px 7px;
  border: 1px solid rgba(240,180,75,.42);
  border-radius: 2px;
  color: var(--warning);
  background: rgba(240,180,75,.07);
  font: 700 9px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.beta-notice strong {
  display: block;
  color: #e7e7e7;
  font: 600 15px var(--display);
  letter-spacing: .02em;
  text-transform: uppercase;
}
.beta-notice p { margin: 4px 0 0; color: #999; font-size: 14px; line-height: 1.5; }

.upload-shell,
.builder,
.cart-section,
.limits-section {
  width: min(1280px, calc(100% - 44px));
  margin: 0 auto;
  padding: 66px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 22px;
}
.section-heading > div { display: flex; align-items: baseline; gap: 14px; }
.section-number {
  color: var(--green);
  font: 600 11px var(--mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.section-number.small { margin-right: 8px; }
.section-heading h2 {
  margin: 0;
  font: 600 clamp(30px, 4vw, 46px) var(--display);
  letter-spacing: -.015em;
  text-transform: uppercase;
}
.section-heading > p {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  text-align: right;
}

.drop-zone {
  position: relative;
  cursor: pointer;
  min-height: 360px;
  padding: 40px 22px;
  border: 1px dashed #414141;
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(61,181,74,.055), transparent 36%),
    rgba(17,17,17,.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  outline: none;
  transition: border-color .18s, background .18s, transform .18s;
  width: 100%;
  color: inherit;
  font: inherit;
}
.file-input {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  opacity: 0;
}
.drop-zone:hover,
.drop-zone:focus-within,
.drop-zone.dragging {
  border-color: var(--green);
  background: linear-gradient(135deg, rgba(61,181,74,.11), transparent 42%), #111;
}
.drop-zone.dragging { transform: scale(.996); }
.upload-mark {
  width: 67px;
  height: 67px;
  margin-bottom: 20px;
  border: 1px solid rgba(61,181,74,.42);
  border-radius: 50%;
  background: var(--green-soft);
  display: grid;
  place-items: center;
}
.upload-mark svg {
  width: 33px;
  fill: none;
  stroke: var(--green-bright);
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 2;
}
.drop-overline { color: var(--green); font: 600 10px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.drop-title {
  display: block;
  margin: 8px 0 4px;
  font: 600 clamp(30px, 5vw, 45px) var(--display);
  text-transform: uppercase;
}
.drop-copy { display: block; margin-bottom: 26px; color: #868686; font-size: 19px; }
.drop-copy span { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.file-rule-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; }

.upload-status {
  display: none;
  margin-top: 12px;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #111;
  color: #bbb;
  font: 500 11px/1.6 var(--mono);
}
.upload-status.show { display: block; }
.upload-status.error { color: var(--danger); border-color: rgba(255,119,119,.42); }
.upload-status.busy { color: var(--green-bright); border-color: rgba(61,181,74,.34); }

.builder {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.builder-heading { margin-top: 44px; }

.text-button {
  padding: 0 0 3px;
  border: 0;
  border-bottom: 1px solid #666;
  color: #aaa;
  background: none;
  font: 600 12px var(--mono);
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(390px, .82fr);
  gap: 18px;
  align-items: start;
}

.viewer-column,
.config-column { display: grid; gap: 18px; }

.panel {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(20,20,20,.975);
  box-shadow: 0 12px 38px rgba(0,0,0,.18);
}

.panel-titlebar,
.panel-heading {
  min-height: 58px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.panel-titlebar > div { display: flex; align-items: center; min-width: 0; gap: 10px; }
.panel-titlebar strong {
  overflow: hidden;
  font: 500 12px var(--mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-type {
  border: 1px solid rgba(61,181,74,.42);
  border-radius: 2px;
  padding: 4px 6px;
  color: var(--green-bright);
  background: var(--green-soft);
  font: 600 9px var(--mono);
}
.analysis-state,
.engine-badge,
.badge {
  flex: 0 0 auto;
  color: #aaa;
  font: 500 9px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.analysis-state i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.viewer {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(61,181,74,.095), transparent 30%),
    linear-gradient(#0d0d0d, #090909);
}
.viewer canvas { display: block; width: 100% !important; height: 100% !important; }
.viewer::after {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(61,181,74,.022) 1px, transparent 1px), linear-gradient(90deg,rgba(61,181,74,.022) 1px, transparent 1px);
  background-size: 30px 30px;
}
.viewer-loading {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #999;
  background: #0b0b0b;
  font: 500 10px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.viewer-loading span {
  width: 15px;
  height: 15px;
  border: 2px solid #333;
  border-top-color: var(--green-bright);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.viewer-tools {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  display: flex;
  gap: 6px;
}
.viewer-tools button {
  padding: 7px 9px;
  border: 1px solid var(--border-bright);
  border-radius: 2px;
  color: #aaa;
  background: rgba(10,10,10,.88);
  font: 500 9px var(--mono);
  text-transform: uppercase;
}
.viewer-tools button:hover,
.viewer-tools button[aria-pressed="true"] { color: var(--green-bright); border-color: var(--green); }

.model-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
}
.model-stats > div {
  padding: 13px 15px;
  border-right: 1px solid var(--border);
}
.model-stats > div:last-child { border-right: 0; }
.model-stats span,
.analysis-grid span {
  display: block;
  margin-bottom: 3px;
  color: #6f6f6f;
  font: 500 8px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.model-stats b,
.analysis-grid b { font: 500 12px var(--mono); }

.panel-heading h3 {
  margin: 0;
  font: 600 21px var(--display);
  letter-spacing: .025em;
  text-transform: uppercase;
}
.panel-heading > div { display: flex; align-items: baseline; }
.badge,
.engine-badge {
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 2px;
}
.badge.good { color: var(--green-bright); border-color: rgba(61,181,74,.4); background: var(--green-soft); }
.badge.review { color: var(--warning); border-color: rgba(240,180,75,.4); background: rgba(240,180,75,.07); }

.analysis-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.analysis-grid > div { padding: 15px; border-right: 1px solid var(--border); }
.analysis-grid > div:last-child { border-right: 0; }

.screening-notes { padding: 0 15px 15px; }
.screening-note {
  display: flex;
  gap: 9px;
  padding: 9px 0;
  border-top: 1px solid #222;
  color: #989898;
  font-size: 14px;
}
.screening-note::before { content: "✓"; color: var(--green-bright); font: 600 10px var(--mono); }
.screening-note.warn::before { content: "!"; color: var(--warning); }
.screening-note.bad::before { content: "×"; color: var(--danger); }

.config-panel { padding-bottom: 4px; }
.config-panel > .panel-heading { margin-bottom: 2px; }
.form-group {
  min-width: 0;
  margin: 0;
  padding: 15px 16px;
  border: 0;
  border-bottom: 1px solid var(--border);
}
.form-group > span,
.form-group > label,
.form-group legend,
.checkout-panel label > span {
  display: block;
  width: 100%;
  margin-bottom: 8px;
  padding: 0;
  color: #8a8a8a;
  font: 600 9px var(--mono);
  letter-spacing: .085em;
  text-transform: uppercase;
}
.segmented { display: grid; gap: 7px; }
.segmented.two { grid-template-columns: repeat(2, 1fr); }
.segmented.compact { grid-template-columns: repeat(2, minmax(90px, 1fr)); }
.segmented button {
  min-height: 66px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: #aaa;
  background: #0d0d0d;
  text-align: left;
}
.segmented.compact button { min-height: 39px; text-align: center; font: 600 14px var(--copy); }
.segmented button b { display: block; color: #ddd; font: 600 15px var(--display); letter-spacing: .025em; text-transform: uppercase; }
.segmented button small { color: #666; font: 500 8px var(--mono); text-transform: uppercase; }
.segmented button.selected {
  border-color: var(--green);
  color: var(--green-bright);
  background: rgba(61,181,74,.08);
  box-shadow: inset 0 0 0 1px rgba(61,181,74,.12);
}
.segmented button.selected b { color: #fff; }
.segmented button.selected small { color: var(--green-bright); }
.process-icon { float: right; color: #666; font: 20px var(--mono); }
.segmented button.selected .process-icon { color: var(--green-bright); }

.form-row { display: grid; gap: 0; }
.form-row.two-col { grid-template-columns: 1fr 1fr; }
.form-row.two-col > .form-group:first-child { border-right: 1px solid var(--border); }

.locked-field,
.qty-control {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #0c0c0c;
  display: flex;
  align-items: center;
}
.locked-field { gap: 8px; padding: 9px 11px; color: #ddd; font: 600 13px var(--copy); }
.locked-field i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.locked-field small { margin-left: auto; color: #676767; font: 500 8px var(--mono); }
.qty-control { display: grid; grid-template-columns: 36px 1fr 36px; }
.qty-control button {
  height: 40px;
  border: 0;
  color: #aaa;
  background: none;
  font: 400 20px var(--mono);
}
.qty-control input {
  min-width: 0;
  height: 40px;
  border-width: 0 1px;
  border-style: solid;
  border-color: var(--border);
  color: #fff;
  background: #101010;
  text-align: center;
  font: 600 14px var(--mono);
  appearance: textfield;
}
.qty-control input::-webkit-inner-spin-button { appearance: none; }

.question-group > legend { margin-bottom: 8px; color: #b5b5b5; font-size: 10px; }
.field-help,
.conditional-fields p {
  margin: 7px 0 0;
  color: #707070;
  font-size: 13px;
}
.conditional-fields {
  display: block;
  margin-top: 9px;
}
.conditional-fields label span { display: block; margin-bottom: 5px; color: #767676; font: 500 8px var(--mono); text-transform: uppercase; }
.conditional-fields input,
.conditional-fields select,
.checkout-panel input,
.checkout-panel textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  outline: 0;
  color: #fff;
  background: #0c0c0c;
}
.conditional-fields input:focus,
.conditional-fields select:focus,
.checkout-panel input:focus,
.checkout-panel textarea:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(61,181,74,.08); }
.conditional-fields select { color-scheme: dark; }
.conditional-fields p a { color: var(--green-bright); text-underline-offset: 3px; }
.tap-groups { display: grid; gap: 8px; }
.tap-group-row { display: grid; grid-template-columns: minmax(0, 1fr) 106px 38px; gap: 8px; align-items: end; }
.tap-remove-button {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: #888;
  background: #0c0c0c;
  font: 500 18px var(--mono);
}
.tap-remove-button:hover { color: var(--danger); border-color: rgba(255,119,119,.4); }
.tap-group-actions { margin-top: 9px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tap-add-button {
  padding: 7px 9px;
  border: 1px solid rgba(61,181,74,.35);
  border-radius: 3px;
  color: var(--green-bright);
  background: var(--green-soft);
  font: 600 9px var(--mono);
  text-transform: uppercase;
}
.tap-add-button:disabled { cursor: not-allowed; color: #666; border-color: var(--border); background: #0d0d0d; }
.tap-group-actions span { color: #6d6d6d; font: 500 8px var(--mono); text-transform: uppercase; }

.confirm-box { padding: 14px 16px; border-bottom: 1px solid var(--border); background: #111; }
.confirm-box label,
.order-confirm {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  margin: 0 0 9px;
  color: #aaa;
  font-size: 14px;
  line-height: 1.35;
}
.confirm-box label:last-child { margin-bottom: 0; }
.confirm-box input,
.order-confirm input { accent-color: var(--green); margin-top: 3px; }
.dimension-confirmation {
  align-items: center !important;
  gap: 12px !important;
  color: #c5c5c5 !important;
  font-size: 16px !important;
}
.dimension-confirmation input {
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  margin: 0;
  cursor: pointer;
}

.material-note {
  margin: 9px 0 0;
  color: #7f7f7f;
  font-size: 12px;
  line-height: 1.45;
}
.material-note a { color: var(--green-bright); text-underline-offset: 3px; }

.tolerance-inline {
  padding: 12px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  font: 500 9px var(--mono);
}
.tolerance-inline span { color: #6c6c6c; text-transform: uppercase; }
.tolerance-inline b { color: #ddd; font-size: 10px; }
.tolerance-inline a { color: var(--green-bright); text-underline-offset: 3px; }
.tolerance-inline > div { text-align: right; }
.tolerance-inline small { display: block; margin-top: 3px; color: #6c6c6c; font: 500 8px/1.35 var(--mono); }

.quote-panel { overflow: hidden; }
.quote-topline {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
}
.quote-topline > div > span { display: block; font: 600 18px var(--display); text-transform: uppercase; }
.quote-topline small { color: #656565; font: 500 8px var(--mono); }
.quote-status {
  padding: 5px 7px;
  border: 1px solid rgba(240,180,75,.38);
  border-radius: 2px;
  color: var(--warning);
  background: rgba(240,180,75,.06);
  font: 600 8px var(--mono);
  text-transform: uppercase;
}
.quote-status.ready { color: var(--green-bright); border-color: rgba(61,181,74,.42); background: var(--green-soft); }
.quote-status.review { color: var(--danger); border-color: rgba(255,119,119,.4); background: rgba(255,119,119,.06); }

#quoteReady { padding: 17px 16px 14px; }
.price-line { display: flex; align-items: baseline; justify-content: space-between; }
.price-line > span { color: #aaa; font: 600 15px var(--display); text-transform: uppercase; }
.price-line strong { color: var(--green-bright); font: 700 44px var(--display); letter-spacing: -.02em; }
.unit-line { display: flex; justify-content: flex-end; gap: 9px; margin-top: -4px; color: #777; font: 500 9px var(--mono); }
.unit-line span:last-child { color: var(--green); }

.breakdown { margin-top: 16px; border-top: 1px solid var(--border); }
.breakdown-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid #222;
  color: #8e8e8e;
  font-size: 14px;
}
.breakdown-row b { color: #ccc; font-weight: 500; }
.primary-button,
.secondary-button {
  min-height: 48px;
  border: 1px solid var(--green);
  border-radius: 3px;
  color: #071008;
  background: var(--green-bright);
  font: 700 16px var(--display);
  letter-spacing: .055em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: filter .15s, transform .15s;
}
.primary-button:hover,
.secondary-button:hover { filter: brightness(1.08); }
.primary-button:active,
.secondary-button:active { transform: translateY(1px); }
.primary-button:disabled { cursor: not-allowed; filter: grayscale(.8) brightness(.6); }
#addToCart { width: 100%; }

.fine-print { margin: 9px 0 0; color: #626262; font: 500 8px/1.55 var(--mono); }
.fine-print b { color: #8c8c8c; }

.quote-pending {
  min-height: 142px;
  padding: 22px 16px;
  display: flex;
  gap: 13px;
  align-items: flex-start;
}
.pending-mark {
  display: grid;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  place-items: center;
  border: 1px solid rgba(240,180,75,.42);
  border-radius: 50%;
  color: var(--warning);
  font: 600 11px var(--mono);
}
.quote-pending b { display: block; margin-bottom: 3px; font: 600 16px var(--display); text-transform: uppercase; }
.quote-pending p { margin: 0; color: #777; font-size: 14px; }

.cart-section { border-top: 1px solid var(--border); }
.empty-cart {
  min-height: 250px;
  padding: 35px;
  border: 1px dashed #373737;
  border-radius: 6px;
  background: rgba(16,16,16,.82);
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}
.empty-cart > span {
  display: grid;
  width: 43px;
  height: 43px;
  margin-bottom: 10px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: #666;
  font: 600 12px var(--mono);
}
.empty-cart h3 { margin: 0 0 3px; font: 600 24px var(--display); text-transform: uppercase; }
.empty-cart p { margin: 0; color: #777; }

.cart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 18px;
  align-items: start;
}
.cart-items { display: grid; gap: 10px; }
.cart-item {
  border: 1px solid var(--border);
  border-radius: 5px;
  background: rgba(18,18,18,.97);
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
}
.cart-part-icon {
  width: 62px;
  height: 62px;
  border: 1px solid #303030;
  background: radial-gradient(circle, rgba(61,181,74,.13), #0b0b0b 68%);
  display: grid;
  place-items: center;
  color: var(--green-bright);
  font: 600 20px var(--mono);
}
.cart-item-main { min-width: 0; }
.cart-item-main h3 {
  overflow: hidden;
  margin: 0 0 5px;
  font: 600 17px var(--display);
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}
.cart-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; color: #727272; font: 500 9px var(--mono); }
.cart-file-warning { margin-top: 7px; color: var(--danger); font: 500 9px var(--mono); }
.cart-item-actions { min-width: 150px; text-align: right; }
.cart-item-price { display: block; margin-bottom: 7px; color: var(--green-bright); font: 600 24px var(--display); }
.cart-qty { display: inline-grid; grid-template-columns: 26px 45px 26px; border: 1px solid var(--border); }
.cart-qty button,
.cart-qty input {
  width: 100%;
  height: 26px;
  border: 0;
  color: #aaa;
  background: #0a0a0a;
  text-align: center;
  font: 500 10px var(--mono);
}
.cart-qty input { border-width: 0 1px; border-style: solid; border-color: var(--border); color: #fff; }
.remove-item { margin-left: 7px; border: 0; color: #777; background: none; font: 500 9px var(--mono); text-decoration: underline; }

.checkout-panel {
  position: sticky;
  top: 88px;
  padding: 17px;
}
.checkout-panel > h3 { margin-bottom: 13px; font: 600 25px var(--display); text-transform: uppercase; }
.summary-row,
.grand-total {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  color: #959595;
  font-size: 15px;
}
.summary-row b { color: #d5d5d5; font-weight: 500; }
.summary-row.savings b { color: var(--green-bright); }
.checkout-panel form { margin: 13px 0; }
.form-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: #777;
  font: 600 9px var(--mono);
  text-transform: uppercase;
}
.form-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.checkout-panel label { display: block; margin-bottom: 8px; }
.checkout-panel label > span { margin-bottom: 4px; font-size: 8px; }
.checkout-panel label > span small { color: #555; text-transform: none; }
.checkout-panel .two-col { gap: 8px; }
.address-row { grid-template-columns: 1.5fr .55fr .8fr; gap: 8px; }
.checkout-panel textarea { resize: vertical; }
.order-confirm { margin-top: 11px !important; font-size: 12px; }
.order-confirm > span { color: #8b8b8b !important; font: 500 12px/1.35 var(--copy) !important; letter-spacing: 0 !important; text-transform: none !important; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; }

.grand-total { align-items: end; padding: 14px 0; border-bottom: 0; }
.grand-total > span { color: #ddd; font: 600 19px var(--display); text-transform: uppercase; }
.grand-total strong { color: var(--green-bright); font: 700 34px var(--display); }
.checkout-button { width: 100%; }
.checkout-status {
  display: none;
  margin-top: 9px;
  padding: 10px;
  border: 1px solid var(--border);
  color: #aaa;
  background: #0c0c0c;
  font: 500 9px/1.55 var(--mono);
}
.checkout-status.show { display: block; }
.checkout-status.error { color: var(--danger); border-color: rgba(255,119,119,.4); }
.checkout-status.busy { color: var(--green-bright); border-color: rgba(61,181,74,.4); }
.secure-note { margin-top: 10px; color: #666; text-align: center; font: 500 8px var(--mono); text-transform: uppercase; }
.secure-note span { color: var(--green); }

.limits-section { border-top: 1px solid var(--border); }
.limits-section > div:first-child {
  display: grid;
  grid-template-columns: 150px minmax(0, 700px);
  align-items: baseline;
  margin-bottom: 30px;
}
.limits-section h2 {
  margin: 0;
  font: 600 clamp(34px, 5vw, 55px)/1.04 var(--display);
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.limits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
}
.limits-grid article {
  min-height: 220px;
  padding: 20px;
  border-right: 1px solid var(--border);
  background: rgba(19,19,19,.92);
}
.limits-grid article:last-child { border-right: 0; }
.limits-grid article > b { color: var(--green); font: 600 10px var(--mono); }
.limits-grid h3 { margin: 26px 0 7px; font: 600 18px var(--display); text-transform: uppercase; }
.limits-grid p { color: #818181; font-size: 15px; }

.custom-banner {
  margin-top: 18px;
  padding: 21px 22px;
  border: 1px solid rgba(61,181,74,.34);
  background: linear-gradient(90deg, rgba(61,181,74,.09), rgba(17,17,17,.96));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.custom-banner span { display: block; color: #858585; font-size: 14px; }
.custom-banner strong { font: 600 25px var(--display); text-transform: uppercase; }
.secondary-button { min-height: 42px; padding: 10px 16px; display: inline-flex; align-items: center; }

footer {
  min-height: 110px;
  padding: 24px max(22px, calc((100vw - 1280px) / 2));
  border-top: 1px solid var(--border);
  background: #090909;
  display: flex;
  align-items: center;
  gap: 20px;
}
footer img { width: auto; height: 43px; }
footer > div { flex: 1; display: grid; color: #787878; font-size: 14px; }
footer small { color: #4f4f4f; font: 500 8px var(--mono); text-transform: uppercase; }
footer > a { color: #999; font: 500 10px var(--mono); }

.shared-cart-handoff {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 30px;
}
.shared-cart-handoff h3 {
  margin: 12px 0 6px;
  font: 600 clamp(23px, 3vw, 34px) var(--display);
  text-transform: uppercase;
}
.shared-cart-handoff p { max-width: 700px; margin: 0; color: var(--muted); }
.handoff-button { width: auto; min-width: 220px; text-decoration: none; text-align: center; }
.handoff-button span { display: block; margin-top: 3px; font: 500 9px var(--mono); opacity: .75; }

.noscript {
  position: fixed;
  inset: auto 12px 12px;
  z-index: 500;
  padding: 12px;
  border: 1px solid var(--danger);
  color: #fff;
  background: #2b1111;
  text-align: center;
}

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; align-items: start; }
  .hero-aside-stack { max-width: 720px; grid-template-columns: 1fr 1fr; align-items: stretch; }
  .tolerance-card { max-width: none; }
  .builder-grid { grid-template-columns: 1fr; }
  .viewer { min-height: 430px; }
  .cart-grid { grid-template-columns: 1fr; }
  .checkout-panel { position: static; }
  .limits-grid { grid-template-columns: repeat(2, 1fr); }
  .limits-grid article:nth-child(2) { border-right: 0; }
  .limits-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-header { height: auto; min-height: 64px; padding: 7px 14px; }
  .brand img { height: 39px; }
  .top-nav a { display: none; }
  .cart-jump { margin-left: 0; }
  .hero { padding: 62px 22px 44px; }
  h1 { font-size: clamp(49px, 16vw, 76px); }
  .process-strip { grid-template-columns: repeat(2, 1fr); border: 0; border-bottom: 1px solid var(--border); }
  .process-step:nth-child(2) { border-right: 0; }
  .process-step:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .process-cart-link { border-top: 1px solid var(--border); }
  .beta-notice { width: calc(100% - 28px); }
  .upload-shell, .builder, .cart-section, .limits-section { width: calc(100% - 28px); padding: 48px 0; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 7px; }
  .section-heading > p { text-align: left; }
  .drop-zone { min-height: 300px; }
  .viewer { min-height: 350px; }
  .model-stats, .analysis-grid { grid-template-columns: repeat(2, 1fr); }
  .model-stats > div:nth-child(2), .analysis-grid > div:nth-child(2) { border-right: 0; }
  .model-stats > div:nth-child(-n+2), .analysis-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .form-row.two-col { grid-template-columns: 1fr; }
  .form-row.two-col > .form-group:first-child { border-right: 0; }
  .conditional-fields { grid-template-columns: 1fr; }
  .hero-aside-stack { grid-template-columns: 1fr; }
  .tap-group-row { grid-template-columns: minmax(0, 1fr) 94px 38px; }
  .tolerance-inline { grid-template-columns: 1fr auto; }
  .tolerance-inline span { grid-column: 1 / -1; }
  .cart-item { grid-template-columns: 50px minmax(0, 1fr); }
  .cart-part-icon { width: 50px; height: 50px; }
  .cart-item-actions { grid-column: 1 / -1; min-width: 0; display: flex; align-items: center; justify-content: space-between; text-align: left; }
  .cart-item-price { margin: 0; }
  .address-row { grid-template-columns: 1.3fr .55fr .8fr; }
  .limits-section > div:first-child { grid-template-columns: 1fr; gap: 10px; }
  .limits-grid { grid-template-columns: 1fr; }
  .limits-grid article { min-height: 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .limits-grid article:last-child { border-bottom: 0; }
  .custom-banner { align-items: flex-start; flex-direction: column; }
  .shared-cart-handoff { grid-template-columns: 1fr; }
  .handoff-button { width: 100%; }
  footer { align-items: flex-start; flex-wrap: wrap; }
  footer > a { width: 100%; }
}

@media (max-width: 420px) {
  .capability-row span { padding: 6px 7px; font-size: 8px; }
  .segmented.two { grid-template-columns: 1fr; }
  .address-row { grid-template-columns: 1fr 1fr; }
  .address-row label:first-child { grid-column: 1 / -1; }
  .price-line strong { font-size: 38px; }
}

/* September 2026: readability and simple material/cart controls. */
button, input, textarea, select { font: inherit; }
.material-select { width: 100%; min-height: 48px; padding: 10px 12px; border: 1px solid #4a4a4a; border-radius: 4px; background: #191919; color: #f0f0f0; font-size: 17px; color-scheme: dark; }
.material-select:invalid { color: #c5c5c5; }
.material-select:focus-visible { outline: 2px solid var(--green-bright); outline-offset: 3px; }
.material-note { color: #b0b0b0; font-size: 16px; line-height: 1.5; }
.question-group > legend { font-size: 15px; color: #d5d5d5; }
.conditional-fields > p, .tap-group-actions span { font-size: 13px; color: #aaa; }
.tap-group-row select, .tap-group-row input { min-height: 44px; font-size: 16px; }
.tap-add-button { min-height: 44px; font-size: 12px; }
.confirm-box { margin: 8px 16px; padding: 18px; background: rgba(61,181,74,.09); border: 2px solid var(--green); border-radius: 5px; }
.confirm-box:focus-within { outline: 2px solid var(--green-bright); outline-offset: 3px; }
.dimension-confirmation { font-size: 18px !important; line-height: 1.4 !important; cursor: pointer; color: #e0e0e0 !important; }
.dimension-confirmation strong { color: #fff; }
.dimension-confirmation input { width: 30px; height: 30px; flex-basis: 30px; accent-color: var(--green-bright); }
.tolerance-inline { grid-template-columns: auto 1fr; font: 500 15px/1.5 var(--copy); }
.tolerance-inline span { color: #aaa; }
.tolerance-inline b { font-size: 19px; }
.tolerance-inline > div { grid-column: 1 / -1; text-align: left; }
.tolerance-inline small { display: inline; color: #bbb; font: 500 16px/1.5 var(--copy); }
.fine-print { color: #b8b8b8; font: 500 16px/1.55 var(--copy); margin-top: 16px; }
.fine-print b { color: #e4e4e4; }
.beta-notice p, .usa-card p { color: #b3b3b3; font-size: 16px; }
.quote-pending p { color: #b0b0b0; font-size: 17px; }
.unit-line { flex-wrap: wrap; gap: 8px 12px; font-size: 12px; }
.checkout-note { color: #c3c3c3; font: 500 16px/1.5 var(--copy); }
.checkout-note a { color: var(--green-bright); }
.cart-summary-link { display: flex; align-items: center; gap: 18px; padding: 24px; text-decoration: none; border-color: rgba(61,181,74,.45); }
.cart-summary-link:hover, .cart-summary-link:focus-visible { border-color: var(--green-bright); background: #172017; }
.cart-summary-link svg { width: 36px; height: 36px; fill: none; stroke: var(--green-bright); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.cart-summary-link strong { display: block; font: 600 27px/1.2 var(--display); text-transform: uppercase; }
.cart-summary-link small { color: #aaa; font-size: 16px; }
.cart-summary-link b { margin-left: auto; border-radius: 30px; padding: 8px 13px; background: var(--green-soft); color: var(--green-bright); font: 600 14px var(--mono); white-space: nowrap; }
.cart-arrow { color: var(--green-bright); font-size: 28px; }
@media (max-width: 600px) {
 .cart-summary-link { gap: 12px; padding: 18px; flex-wrap: wrap; }
 .cart-summary-link strong { font-size: 23px; }
 .cart-summary-link svg { width: 28px; height: 28px; }
 .cart-arrow { display: none; }
 .tolerance-inline span { grid-column: auto; }
 .tolerance-inline b { font-size: 18px; }
 .confirm-box { margin: 8px 12px; padding: 14px; }
}

/* Keep the large condensed headline legible at desktop and mobile sizes. */
.hero-grid > div, .hero-grid > .hero-aside-stack { min-width: 0; }
.limits-section > div:first-child { display: block; }
.limits-section h2 { color: var(--white); letter-spacing: 0; line-height: 1.12; }
.limits-section h2 em, .work-showcase h2 em { color: var(--green-bright); font-style: normal; }
.work-showcase { max-width: 1320px; width: calc(100% - 80px); margin: 0 auto 64px; padding: 36px; border: 1px solid rgba(61,181,74,.35); border-left: 3px solid var(--green); background: linear-gradient(115deg,rgba(61,181,74,.10),#101310 75%); display: flex; align-items: center; gap: 36px; justify-content: space-between; }
.work-showcase .eyebrow { font-size: 10px; margin-bottom: 16px; }
.work-showcase h2 { margin: 0 0 14px; font: 600 clamp(27px,3vw,40px)/1.16 var(--display); text-transform: uppercase; }
.work-showcase p { max-width: 600px; margin: 0; color: #bbb; font-size: 19px; line-height: 1.5; }
.work-showcase-link { display: inline-flex; align-items: center; gap: 26px; padding: 16px 23px; flex-shrink: 0; border: 1px solid var(--green-bright); color: #111; background: var(--green-bright); font: 600 20px var(--display); text-transform: uppercase; text-decoration: none; }
.work-showcase-link:hover, .work-showcase-link:focus-visible { background: #75eb80; outline: 2px solid #fff; outline-offset: 4px; }
.work-showcase-link span { font-size: 28px; line-height: 1; }
@media (max-width: 720px) {
 h1 { font-size: clamp(42px,13.5vw,76px); line-height: 1.04; }
 .work-showcase { width: calc(100% - 28px); padding: 25px 20px; flex-direction: column; align-items: flex-start; gap: 24px; margin-bottom: 40px; }
 .work-showcase-link { width: 100%; justify-content: space-between; }
}

/* 2026-09-29 optional blueprint + tolerance controls */
.tolerance-limit { display:block; margin-top:10px; color:#89d98f; font:600 10px var(--mono); text-transform:uppercase; letter-spacing:.06em; }
.blueprint-card { margin-top:18px; padding:18px; border:1px solid var(--border); background:rgba(255,255,255,.018); display:grid; gap:14px; }
.blueprint-copy { display:grid; gap:4px; }
.blueprint-kicker { color:var(--green); font:600 9px var(--mono); text-transform:uppercase; letter-spacing:.12em; }
.blueprint-copy strong { font:600 20px var(--condensed); text-transform:uppercase; letter-spacing:.02em; }
.blueprint-copy p { margin:0; max-width:650px; color:#8c8c8c; font-size:13px; line-height:1.5; }
.blueprint-upload { min-height:72px; border:1px dashed #3b443c; background:#111411; display:flex; flex-direction:column; align-items:center; justify-content:center; cursor:pointer; text-align:center; transition:.2s ease; }
.blueprint-upload:hover, .blueprint-upload:focus-within { border-color:var(--green); background:#121812; }
.blueprint-upload input { position:absolute; inline-size:1px; block-size:1px; opacity:0; pointer-events:none; }
.blueprint-upload span { color:#e5e5e5; font:600 13px var(--mono); text-transform:uppercase; }
.blueprint-upload small { margin-top:5px; color:#666; font:500 8px var(--mono); text-transform:uppercase; }
.blueprint-file { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:11px 12px; border:1px solid #28542d; background:#101710; }
.blueprint-file > span { display:grid; min-width:0; }
.blueprint-file b { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font:600 11px var(--mono); color:#d9f5dc; }
.blueprint-file small { color:#6f9e74; font:500 8px var(--mono); text-transform:uppercase; }
.blueprint-file button { border:0; background:none; color:#999; cursor:pointer; font:600 10px var(--mono); text-transform:uppercase; }
.tolerance-question { padding-top:14px; border-top:1px solid var(--border); display:grid; gap:8px; }
.tolerance-question label { color:#ddd; font:600 15px var(--condensed); text-transform:uppercase; letter-spacing:.03em; }
.tolerance-question select { width:100%; min-height:44px; padding:0 12px; border:1px solid #343934; background:#0e100e; color:#f0f0f0; font:500 12px var(--mono); }
.tolerance-question p { margin:0; color:#7e987f; font-size:12px; line-height:1.45; }
.tolerance-question p.warn { color:#e8b760; }
.tolerance-question p.bad { color:#ef7d7d; }
.footer-nav { display:flex; flex-wrap:wrap; gap:6px 12px; max-width:640px; }
.footer-nav a { color:#777; font:500 9px var(--mono); text-transform:uppercase; }
.footer-nav a:hover { color:#fff; }
@media (max-width: 1000px) {
  .top-nav { overflow-x:auto; max-width:calc(100vw - 210px); scrollbar-width:none; }
  .top-nav::-webkit-scrollbar { display:none; }
  .top-nav a { white-space:nowrap; }
}
@media (max-width: 720px) {
  .footer-nav { width:100%; order:3; }
  .footer-main { min-width:180px; }
}