:root {
  --white: #FFFFFF;
  --soft-gray: #F7F8FA;
  --warm-white: #FFFFFF;
  --charcoal: #111827;
  --muted-text: #586575;
  --border: #E4E8EE;
  --accent-text: #111827;
  --deep-navy: #102033;
  --muted-navy: #1F2F46;
  --deep-teal: #005F63;
  --forest: #263A2A;
  --deep-olive: #3A4324;
  --warm-brown: #3A2F27;
  --card-text: #F7F9FC;
  --card-muted: #D5DCE5;

  --teal: #454C2B;
  --teal-light: #F7F8FA;

  --blue: #6B7350;
  --blue-light: #F7F8FA;

  --orange: #FF7442;
  --orange-light: #F7F8FA;

  --yellow: #BBA15B;
  --yellow-light: #F7F8FA;

  --green: #454C2B;
  --green-light: #F7F8FA;

  --pink: #6B7350;
  --pink-light: #F7F8FA;

  --purple: #454C2B;
  --purple-light: #F7F8FA;

  --navy: #454C2B;
  --olive-hover: #363B22;
  --olive-border: #D8DDC9;
  --olive-muted: #586575;

  --ink: var(--charcoal);
  --muted: var(--muted-text);
  --line: var(--border);
  --panel: var(--white);
  --radius: 8px;
  --shadow: 0 18px 48px rgba(16, 32, 51, 0.08);
  --shadow-strong: 0 34px 88px rgba(16, 32, 51, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--charcoal);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

.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;
}

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 5vw;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.brand,
.site-nav,
.hero-actions,
.hero-proof,
.anatomy-list,
.case-tabs {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 780;
}

.brand-logo {
  display: block;
  width: clamp(172px, 16vw, 230px);
  height: 46px;
  object-fit: contain;
  object-position: left center;
}

.brand-fallback {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.brand-fallback.is-visible {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  color: var(--charcoal);
  font-size: 18px;
  font-weight: 780;
  white-space: normal;
  clip-path: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  font-size: 13px;
}

.site-nav {
  gap: 26px;
  color: var(--muted-text);
  font-size: 14px;
  font-weight: 680;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 3px;
  background: var(--accent-text);
  border-radius: 999px;
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover {
  color: var(--accent-text);
}

.site-nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--charcoal);
}

.section {
  max-width: 1440px;
  margin: 0 auto;
  padding: 92px 5vw;
}

.hero-immersive {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: var(--white);
  isolation: isolate;
}

.hero-brand-watermark {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  pointer-events: none;
  user-select: none;
}

.brand-line {
  display: flex;
  justify-content: center;
  width: 100%;
  color: var(--charcoal);
  font-size: clamp(92px, 18.2vw, 288px);
  font-weight: 900;
  line-height: 0.76;
  letter-spacing: 0;
  text-align: center;
  white-space: nowrap;
}

.tuzh-line span:nth-child(1) {
  color: var(--charcoal);
}

.tuzh-line span:nth-child(2) {
  color: var(--teal);
}

.tuzh-line span:nth-child(3) {
  color: var(--orange);
}

.tuzh-line span:nth-child(4) {
  color: var(--charcoal);
}

.umbrella-line {
  color: transparent;
  -webkit-text-stroke: clamp(1px, 0.12vw, 2px) rgba(18, 26, 36, 0.8);
  text-stroke: clamp(1px, 0.12vw, 2px) rgba(18, 26, 36, 0.8);
}

.umbrella-line::first-letter {
  color: var(--purple);
  -webkit-text-stroke: 0;
  text-stroke: 0;
}

.hero-subtitle-minimal {
  position: absolute;
  right: 72px;
  bottom: 48px;
  z-index: 3;
  margin: 0;
  color: var(--charcoal);
  font-size: clamp(12px, 1.35vw, 18px);
  font-weight: 820;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-text);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: #1d2933;
  font-size: clamp(44px, 6.2vw, 82px);
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0;
}

.hero-brand {
  position: relative;
  display: inline-block;
  margin: 0 0 16px;
  color: var(--navy);
  font-size: clamp(54px, 7.2vw, 96px);
  font-weight: 860;
  line-height: 0.88;
  letter-spacing: 0;
}

.hero-brand::after {
  position: absolute;
  right: 0.02em;
  bottom: -0.05em;
  left: 0.02em;
  z-index: -1;
  height: 0.16em;
  background: var(--yellow);
  border-radius: 999px;
  content: "";
}

.hero-spline h1 {
  max-width: 620px;
  margin-bottom: 18px;
  color: var(--charcoal);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 760;
  line-height: 1.04;
}

h2 {
  max-width: 860px;
  margin-bottom: 18px;
  color: #1f2d37;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 740;
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  color: #23313d;
  font-size: 20px;
  line-height: 1.2;
}

.title-highlight {
  position: relative;
  display: inline-block;
  color: var(--accent-text);
}

.title-highlight::after {
  position: absolute;
  right: 0.03em;
  bottom: 0.04em;
  left: 0.03em;
  z-index: -1;
  height: 0.28em;
  background: var(--soft-gray);
  border-radius: 999px;
  content: "";
}

.hero-text,
.section-lede {
  max-width: 700px;
  color: var(--muted-text);
  font-size: 17px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 780;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button.primary {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 15px 30px rgba(69, 76, 43, 0.2);
}

.button.primary:hover {
  background: var(--olive-hover);
  box-shadow: 0 18px 34px rgba(69, 76, 43, 0.28);
  transform: translateY(-1px);
}

.button.secondary {
  color: var(--accent-text);
  background: var(--white);
  border-color: var(--accent-text);
}

.button.secondary:hover {
  border-color: var(--olive-hover);
  box-shadow: 0 12px 26px rgba(69, 76, 43, 0.12);
  transform: translateY(-1px);
}

.hero-proof {
  align-items: stretch;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-proof div {
  position: relative;
  width: min(260px, 100%);
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-spline .hero-proof div {
  width: min(220px, 100%);
}

.hero-proof div::before {
  display: block;
  width: 38px;
  height: 5px;
  margin-bottom: 13px;
  background: var(--orange);
  border-radius: 999px;
  content: "";
}

dt {
  color: var(--charcoal);
  font-weight: 820;
}

dd {
  margin: 4px 0 0;
  color: var(--muted-text);
}

.hero-spline-stage {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  mix-blend-mode: multiply;
  pointer-events: auto;
}

.hero-spline-wrap {
  width: 100%;
  max-width: none;
  height: 100%;
  transform: none;
  transform-origin: center center;
}

.hero-spline-stage spline-viewer {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: none;
  height: 100%;
  background: transparent;
}

.spline-fallback {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: none;
  width: min(62vw, 760px);
  min-height: min(42vh, 420px);
  transform: translate(-50%, -50%);
}

.hero-immersive.is-spline-fallback .hero-spline-stage {
  display: none;
}

.hero-immersive.is-spline-fallback .spline-fallback {
  display: flex;
}

.spline-color-strip {
  position: absolute;
  top: 28px;
  right: 28px;
  z-index: 4;
  display: flex;
  gap: 9px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(228, 232, 238, 0.9);
  border-radius: 999px;
  box-shadow: 0 18px 36px rgba(16, 32, 51, 0.12);
  backdrop-filter: blur(12px);
}

.spline-color-strip span {
  display: block;
  width: 26px;
  height: 26px;
  background: var(--swatch);
  border: 1px solid rgba(18, 26, 36, 0.14);
  border-radius: 50%;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.46);
}

.spline-chip {
  position: absolute;
  z-index: 4;
  width: min(220px, 32%);
  padding: 13px 15px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(228, 232, 238, 0.92);
  border-radius: 12px;
  box-shadow: 0 18px 42px rgba(16, 32, 51, 0.12);
  backdrop-filter: blur(14px);
}

.spline-chip::before {
  display: block;
  width: 34px;
  height: 5px;
  margin-bottom: 10px;
  background: var(--teal);
  border-radius: 999px;
  content: "";
}

.spline-chip span {
  display: block;
  color: var(--muted-text);
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.spline-chip strong {
  display: block;
  margin-top: 4px;
  color: var(--charcoal);
  font-size: 14px;
  line-height: 1.25;
}

.chip-canopy {
  top: 92px;
  left: 26px;
}

.chip-canopy::before {
  background: var(--teal);
}

.chip-logo {
  right: 34px;
  top: 128px;
}

.chip-logo::before {
  background: var(--blue);
}

.chip-handle {
  right: 46px;
  bottom: 92px;
}

.chip-handle::before {
  background: var(--orange);
}

.chip-fabric {
  left: 40px;
  bottom: 70px;
}

.chip-fabric::before {
  background: var(--purple);
}

.hero-visual {
  position: relative;
}

.visual-frame {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 180px;
  color: var(--muted-text);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.image-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 180px;
  color: var(--muted-text);
  background:
    linear-gradient(135deg, rgba(247, 248, 250, 0.72), rgba(255, 255, 255, 0.94)),
    var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.image-placeholder::before {
  display: block;
  width: 54px;
  height: 42px;
  margin-bottom: 14px;
  border: 1.5px solid #cfd6df;
  border-radius: 8px;
  background:
    radial-gradient(circle at 75% 28%, #cfd6df 0 4px, transparent 5px),
    linear-gradient(135deg, transparent 0 54%, #cfd6df 55% 58%, transparent 59%);
  content: "";
}

.image-placeholder span {
  color: var(--muted-text);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.03em;
}

.hero-immersive .spline-fallback {
  display: none;
}

.visual-frame.large {
  min-height: 650px;
  padding: 34px;
  box-shadow: var(--shadow-strong);
}

.visual-frame.small {
  min-height: 190px;
  margin-bottom: 18px;
}

.visual-frame p {
  position: absolute;
  right: 28px;
  bottom: 24px;
  left: 28px;
  margin: 0;
  color: #6a716e;
  font-size: 14px;
  text-align: center;
}

.visual-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 4;
  padding: 7px 11px;
  color: var(--accent-text);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 780;
}

.umbrella-silhouette {
  width: min(72%, 420px);
  aspect-ratio: 1.25;
  background:
    radial-gradient(ellipse at 50% 100%, transparent 0 47%, var(--charcoal) 48% 50%, transparent 51%),
    conic-gradient(from 200deg at 50% 86%, transparent 0 14deg, rgba(23, 32, 42, 0.9) 14deg 146deg, transparent 146deg 360deg);
  opacity: 0.18;
  transform: translateY(-12px);
}

.hero-stage {
  isolation: isolate;
  background:
    radial-gradient(circle at 18% 18%, rgba(183, 242, 234, 0.82), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(207, 228, 255, 0.9), transparent 24%),
    radial-gradient(circle at 76% 82%, rgba(255, 213, 191, 0.88), transparent 25%),
    linear-gradient(180deg, var(--white), var(--white));
}

.hero-stage::before,
.hero-stage::after {
  position: absolute;
  inset: 48px;
  z-index: 0;
  border: 1px solid rgba(23, 32, 42, 0.08);
  border-radius: 50%;
  content: "";
}

.hero-stage::after {
  inset: 112px 86px;
  border-color: rgba(69, 76, 43, 0.16);
}

.product-stage {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 512px;
}

.product-plate {
  position: relative;
  display: grid;
  place-items: center;
  width: min(76%, 510px);
  aspect-ratio: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50%;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 30px 70px rgba(16, 32, 51, 0.13);
}

.asset-slot {
  position: absolute;
  inset: 0;
  opacity: 1;
}

.hero-product {
  width: min(78%, 410px);
  opacity: 0.26;
}

.stage-spec {
  position: absolute;
  z-index: 2;
  width: 190px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stage-spec span,
.category-meta,
.form-heading span {
  color: var(--muted-text);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stage-spec strong {
  display: block;
  margin-top: 4px;
  color: var(--charcoal);
  font-size: 14px;
}

.stage-spec-left {
  top: 142px;
  left: 18px;
}

.stage-spec-right {
  right: 16px;
  bottom: 174px;
}

.stage-spec-bottom {
  bottom: 92px;
  left: 54px;
  background: var(--orange-light);
}

.stage-spec-fabric {
  top: 90px;
  left: 50%;
  width: 210px;
  background: var(--yellow-light);
  transform: translateX(-50%);
}

.material-strip {
  position: absolute;
  top: 76px;
  right: 24px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.swatch {
  display: inline-block;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(23, 32, 42, 0.12);
  border-radius: 50%;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.swatch.teal {
  background: var(--teal);
}

.swatch.blue {
  background: var(--blue);
}

.swatch.orange { background: var(--orange); }
.swatch.yellow { background: var(--yellow); }
.swatch.green { background: var(--green); }
.swatch.pink { background: var(--pink); }
.swatch.purple { background: var(--purple); }

.swatch.dark {
  background: var(--charcoal);
}

.swatch.ivory {
  background: var(--white);
}

.swatch.gold {
  background: var(--yellow);
}

.floating-spec {
  position: absolute;
  right: -18px;
  bottom: 58px;
  width: min(310px, 82%);
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-strong);
}

.floating-spec::before {
  display: block;
  width: 44px;
  height: 5px;
  margin-bottom: 14px;
  background: var(--orange);
  border-radius: 999px;
  content: "";
}

.floating-spec strong,
.floating-spec span {
  display: block;
}

.floating-spec span {
  margin-top: 6px;
  color: var(--muted-text);
  font-size: 14px;
}

.intro-grid,
.final-cta,
.anatomy-layout,
.case-panel {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 48px;
  align-items: start;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps li,
.category-card,
.solution-grid article,
.qc-strip,
.case-panel,
.inquiry-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.steps li {
  position: relative;
  overflow: hidden;
  min-height: 176px;
  padding: 24px;
  border-width: 1.5px;
  color: var(--card-text);
  box-shadow: 0 18px 42px rgba(16, 32, 51, 0.12);
}

.steps li::after {
  position: absolute;
  right: 22px;
  bottom: 18px;
  width: 76px;
  height: 76px;
  border: 1px solid rgba(23, 32, 42, 0.08);
  border-radius: 50%;
  content: "";
}

.steps li:nth-child(1) {
  background: var(--deep-navy);
  border-color: rgba(16, 32, 51, 0.92);
}

.steps li:nth-child(2) {
  background: var(--muted-navy);
  border-color: rgba(31, 47, 70, 0.92);
}

.steps li:nth-child(3) {
  background: var(--deep-teal);
  border-color: rgba(0, 95, 99, 0.86);
}

.steps li:nth-child(4) {
  background: var(--deep-olive);
  border-color: rgba(58, 67, 36, 0.9);
}

.steps span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--orange);
  font-weight: 860;
}

.steps h3 {
  color: var(--card-text);
  font-size: 18px;
}

.steps p,
.category-card p,
.solution-grid p,
.qc-strip p,
.case-panel p {
  color: var(--card-muted);
  font-size: 14px;
  line-height: 1.45;
}

.capability,
.buyer-solutions {
  background: var(--soft-gray);
}

.final-cta {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 116, 66, 0.16), transparent 30vw),
    radial-gradient(circle at 72% 78%, rgba(0, 95, 99, 0.24), transparent 32vw),
    linear-gradient(135deg, var(--deep-navy), var(--charcoal));
  color: var(--card-text);
}

.final-cta .eyebrow,
.final-cta h2,
.final-cta .section-lede,
.final-cta .inquiry-prep strong {
  color: var(--card-text);
}

.final-cta .section-lede {
  opacity: 0.84;
}

.final-cta .button.primary {
  color: var(--white);
  background: var(--orange);
  box-shadow: 0 16px 34px rgba(255, 116, 66, 0.24);
}

.final-cta .button.primary:hover {
  background: #e95e2f;
  box-shadow: 0 20px 42px rgba(255, 116, 66, 0.28);
}

.inquiry-copy {
  align-self: center;
}

.inquiry-prep,
.inquiry-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.inquiry-flow {
  margin-top: 18px;
}

.inquiry-prep strong {
  flex-basis: 100%;
  color: var(--charcoal);
}

.inquiry-prep span,
.inquiry-flow span {
  padding: 9px 11px;
  color: var(--card-text);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 720;
}

.inquiry-flow span:nth-child(1) {
  background: rgba(0, 95, 99, 0.56);
}

.inquiry-flow span:nth-child(2) {
  background: rgba(31, 47, 70, 0.78);
}

.inquiry-flow span:nth-child(3) {
  background: rgba(255, 116, 66, 0.72);
}

.case-tabs {
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.case-tabs button,
.anatomy-list button {
  min-height: 38px;
  padding: 0 14px;
  color: #40505c;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.case-tabs button.is-active,
.anatomy-list button.is-active {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.case-tabs button:hover,
.anatomy-list button:hover {
  transform: translateY(-1px);
}
.file-field span {
  display: grid;
  place-items: center;
  min-height: 330px;
  padding: 18px;
  text-align: center;
  background: var(--yellow-light);
  border: 1px dashed rgba(69, 76, 43, 0.38);
  border-radius: var(--radius);
}

.file-field input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}

.category-grid,
.solution-grid,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.metric-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.category-card,
.solution-grid article {
  padding: 18px;
}

.category-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--deep-navy);
  border-color: rgba(16, 32, 51, 0.88);
  color: var(--card-text);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.category-card:nth-child(2) { background: var(--muted-navy); border-color: rgba(31, 47, 70, 0.9); }
.category-card:nth-child(3) { background: var(--warm-brown); border-color: rgba(58, 47, 39, 0.9); }
.category-card:nth-child(4) { background: var(--deep-teal); border-color: rgba(0, 95, 99, 0.9); }
.category-card:nth-child(5) { background: var(--forest); border-color: rgba(38, 58, 42, 0.9); }
.category-card:nth-child(6) { background: var(--deep-olive); border-color: rgba(58, 67, 36, 0.9); }

.category-card:hover {
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: 0 28px 62px rgba(16, 32, 51, 0.22);
  transform: translateY(-4px);
}

.category-card:nth-child(2):hover,
.category-card:nth-child(3):hover,
.category-card:nth-child(4):hover,
.category-card:nth-child(5):hover,
.category-card:nth-child(6):hover { border-color: rgba(255, 255, 255, 0.34); }

.category-card h3 {
  margin-top: 18px;
  color: var(--card-text);
  font-size: 18px;
}

.category-card p {
  margin-bottom: 0;
}

.product-slot {
  aspect-ratio: 16 / 10;
  min-height: auto;
  margin: -2px -2px 18px;
  background:
    linear-gradient(135deg, rgba(247, 248, 250, 0.78), rgba(255, 255, 255, 0.96)),
    var(--white);
}

.product-slot::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 54px;
  height: 42px;
  border: 1.5px solid #cfd6df;
  border-radius: 8px;
  background:
    radial-gradient(circle at 75% 28%, #cfd6df 0 4px, transparent 5px),
    linear-gradient(135deg, transparent 0 54%, #cfd6df 55% 58%, transparent 59%);
  content: "";
  transform: translate(-50%, calc(-50% - 14px));
}

.product-slot::after {
  content: none;
}

.product-slot span {
  position: absolute;
  right: 16px;
  top: calc(50% + 20px);
  bottom: auto;
  left: 16px;
  z-index: 1;
  color: var(--muted-text);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.03em;
  text-align: center;
}

.category-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  letter-spacing: 0;
  text-transform: none;
}

.category-meta span {
  padding: 6px 9px;
  color: var(--card-text);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 12px;
}

.anatomy-layout {
  grid-template-columns: 1.2fr 0.42fr 0.72fr;
  align-items: stretch;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(16, 32, 51, 0.08);
}

.anatomy-image {
  min-height: 540px;
}

.anatomy-board {
  background: var(--white);
}

.anatomy-diagram {
  position: relative;
  display: grid;
  place-items: center;
  width: min(82%, 520px);
  min-height: 420px;
}

.anatomy-diagram .anatomy-pin {
  display: none;
}

.anatomy-product {
  width: min(88%, 440px);
  opacity: 0.22;
}

.anatomy-pin {
  position: absolute;
  min-height: 34px;
  padding: 0 12px;
  color: #34434c;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.anatomy-pin::before {
  position: absolute;
  top: 50%;
  width: 44px;
  height: 1px;
  background: rgba(23, 32, 42, 0.26);
  content: "";
}

.anatomy-pin.is-active {
  color: var(--white);
  background: var(--deep-navy);
  border-color: var(--deep-navy);
}

.pin-canopy {
  top: 72px;
  left: 18px;
}

.pin-canopy::before,
.pin-ribs::before,
.pin-handle::before {
  left: 100%;
}

.pin-ribs {
  top: 150px;
  right: 8px;
}

.pin-ribs::before,
.pin-shaft::before,
.pin-runner::before {
  right: 100%;
}

.pin-shaft {
  right: 54px;
  bottom: 142px;
}

.pin-runner {
  top: 246px;
  left: 0;
}

.pin-handle {
  right: 84px;
  bottom: 52px;
}

.anatomy-list {
  align-content: start;
  align-items: stretch;
  flex-direction: column;
  gap: 8px;
}

.anatomy-list button {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
}

.anatomy-list button:nth-child(1) {
  background: var(--teal-light);
}

.anatomy-list button:nth-child(2) {
  background: var(--blue-light);
}

.anatomy-list button:nth-child(3) {
  background: var(--navy);
  color: var(--white);
}

.anatomy-list button:nth-child(4) {
  background: var(--soft-gray);
}

.anatomy-list button:nth-child(5) {
  background: var(--orange-light);
}

.anatomy-list button:nth-child(6) {
  background: var(--pink-light);
}

.anatomy-list button:nth-child(7) {
  background: var(--green-light);
}

.anatomy-list button:nth-child(8) {
  background: var(--purple-light);
}

.anatomy-list button.is-active {
  color: var(--white);
  background: var(--teal);
}

.part-detail {
  align-self: start;
  padding: 24px;
  background:
    linear-gradient(180deg, #21313a, var(--charcoal));
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.part-detail span {
  color: var(--white);
  font-size: 24px;
  font-weight: 840;
}

.part-detail p {
  margin: 12px 0 0;
  color: #d9e4e1;
}

.part-specs {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.part-specs div {
  padding: 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.part-specs dt {
  color: #f7efe5;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.part-specs dd {
  color: #c7d3ce;
}

.metric-grid div {
  position: relative;
  min-height: 138px;
  padding: 24px;
  background: var(--deep-navy);
  border: 1px solid rgba(16, 32, 51, 0.9);
  border-radius: var(--radius);
  color: var(--card-text);
}

.metric-grid div:nth-child(2) { background: var(--muted-navy); border-color: rgba(31, 47, 70, 0.9); }
.metric-grid div:nth-child(3) { background: var(--deep-teal); border-color: rgba(0, 95, 99, 0.9); }
.metric-grid div:nth-child(4) { background: var(--deep-olive); border-color: rgba(58, 67, 36, 0.9); }
.metric-grid div:nth-child(5) { background: var(--warm-brown); border-color: rgba(58, 47, 39, 0.9); }

.metric-grid div::before {
  display: block;
  width: 42px;
  height: 5px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.36);
  border-radius: 999px;
  content: "";
}

.metric-grid div:nth-child(2)::before {
  background: rgba(255, 255, 255, 0.36);
}

.metric-grid div:nth-child(3)::before {
  background: rgba(255, 255, 255, 0.36);
}

.metric-grid div:nth-child(4)::before {
  background: rgba(255, 255, 255, 0.36);
}

.metric-grid div:nth-child(5)::before {
  background: rgba(255, 255, 255, 0.36);
}

.metric-grid strong {
  display: block;
  color: var(--card-text);
  font-size: clamp(27px, 2.35vw, 34px);
  line-height: 1;
}

.metric-grid span {
  display: block;
  margin-top: 12px;
  color: var(--card-muted);
  font-size: 14px;
}

.qc-strip {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  margin-top: 18px;
  padding: 24px;
  color: var(--card-text);
  background: var(--charcoal);
  border-color: rgba(18, 26, 36, 0.9);
}

.qc-strip h3 {
  color: var(--card-text);
  font-size: 18px;
}

.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 18px;
  padding: 22px 0;
  counter-reset: process-step;
}

.process-track::before {
  position: absolute;
  top: 50%;
  right: 5%;
  left: 5%;
  z-index: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--deep-navy), var(--deep-teal), var(--deep-olive));
  content: "";
  opacity: 0.42;
  transform: translateY(-50%);
}

.process-track span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 92px;
  padding: 38px 14px 16px;
  color: var(--card-text);
  background: linear-gradient(145deg, var(--deep-navy), #14263b);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(16, 32, 51, 0.13);
  font-weight: 780;
  font-size: 14px;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.process-track span::before {
  position: absolute;
  top: -18px;
  left: 50%;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--deep-navy);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 10px 22px rgba(16, 32, 51, 0.18);
  font-size: 12px;
  font-weight: 850;
  content: counter(process-step);
  counter-increment: process-step;
  transform: translateX(-50%);
}

.process-track span:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -15px;
  z-index: 2;
  width: 12px;
  height: 12px;
  border-top: 2px solid rgba(16, 32, 51, 0.64);
  border-right: 2px solid rgba(16, 32, 51, 0.64);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.process-track span:nth-child(2),
.process-track span:nth-child(3),
.process-track span:nth-child(4),
.process-track span:nth-child(5),
.process-track span:nth-child(6),
.process-track span:nth-child(7) {
  border-color: rgba(16, 32, 51, 0.2);
}

.process-track span:nth-child(2) { background: linear-gradient(145deg, var(--muted-navy), #263c59); }
.process-track span:nth-child(3) { background: linear-gradient(145deg, var(--deep-teal), #064f54); }
.process-track span:nth-child(4) { background: linear-gradient(145deg, var(--forest), #2d4632); }
.process-track span:nth-child(5) { background: linear-gradient(145deg, var(--deep-olive), #46502c); }
.process-track span:nth-child(6) { background: linear-gradient(145deg, var(--warm-brown), #44372e); }
.process-track span:nth-child(7) { background: linear-gradient(145deg, var(--charcoal), #1a2534); }

.process-track span:nth-child(2)::before { background: var(--muted-navy); }
.process-track span:nth-child(3)::before { background: var(--deep-teal); }
.process-track span:nth-child(4)::before { background: var(--forest); }
.process-track span:nth-child(5)::before { background: var(--deep-olive); }
.process-track span:nth-child(6)::before { background: var(--warm-brown); }
.process-track span:nth-child(7)::before { background: var(--charcoal); }

.solution-grid article {
  min-height: 150px;
  color: var(--card-text);
  background: var(--deep-navy);
  border-color: rgba(16, 32, 51, 0.9);
  box-shadow: 0 16px 38px rgba(16, 32, 51, 0.12);
}

.solution-grid article:nth-child(1) {
  background: var(--deep-navy);
}

.solution-grid article:nth-child(2) {
  background: var(--muted-navy);
}

.solution-grid article:nth-child(3) {
  background: var(--deep-teal);
}

.solution-grid article:nth-child(4) {
  background: var(--deep-olive);
}

.solution-grid article:nth-child(5) {
  background: var(--warm-brown);
}

.solution-grid h3 {
  color: var(--card-text);
  font-size: 18px;
}

.solution-grid p {
  margin-bottom: 0;
}

.case-tabs {
  margin-bottom: 18px;
}

.case-panel {
  grid-template-columns: 0.8fr 1.2fr;
  padding: 18px;
  color: var(--card-text);
  background: var(--deep-navy);
  border-color: rgba(16, 32, 51, 0.9);
  box-shadow: 0 24px 62px rgba(16, 32, 51, 0.18);
}

.case-panel h3 {
  color: var(--card-text);
  font-size: 20px;
}

.case-image {
  min-height: 320px;
  background:
    linear-gradient(135deg, rgba(247, 248, 250, 0.78), rgba(255, 255, 255, 0.96)),
    var(--white);
}

.case-image::before {
  display: block;
  width: 54px;
  height: 42px;
  margin-bottom: 14px;
  border: 1.5px solid #cfd6df;
  border-radius: 8px;
  background:
    radial-gradient(circle at 75% 28%, #cfd6df 0 4px, transparent 5px),
    linear-gradient(135deg, transparent 0 54%, #cfd6df 55% 58%, transparent 59%);
  content: "";
}

.case-image span {
  color: var(--muted-text);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.03em;
}

.case-panel dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0 0;
}

.case-panel dl div {
  padding: 16px;
  color: var(--card-text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.case-panel dt {
  color: var(--card-text);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-panel dd {
  color: var(--card-muted);
  font-size: 14px;
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--white);
  border-color: var(--border);
  box-shadow: var(--shadow-strong);
}

.form-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.form-heading strong {
  color: var(--charcoal);
  font-size: 20px;
}

.form-heading span {
  max-width: 170px;
  text-align: right;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: #33424a;
  font-weight: 730;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--charcoal);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--deep-navy);
  box-shadow: 0 0 0 4px rgba(16, 32, 51, 0.12);
}

.inquiry-form textarea {
  resize: vertical;
}

.file-field span {
  display: flex;
  justify-content: center;
  min-height: 86px;
  color: var(--muted-text);
  cursor: pointer;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--accent-text);
  font-weight: 720;
}

/* Premium dark card refresh. Keep Spline/Hero colors untouched. */
.part-detail,
.inquiry-form {
  background: var(--white);
  border-color: var(--border);
}

.steps li:hover,
.category-card:hover,
.solution-grid article:hover,
.process-track span:hover,
.case-tabs button:hover {
  border-color: rgba(16, 32, 51, 0.38);
  box-shadow: 0 18px 44px rgba(16, 32, 51, 0.14);
  transform: translateY(-2px);
}

.visual-tag,
.part-detail span,
.file-field span {
  color: var(--accent-text);
  background: var(--soft-gray);
  border-color: var(--border);
}

.case-tabs button.is-active,
.anatomy-list button.is-active {
  color: var(--white);
  background: var(--deep-navy);
  border-color: var(--deep-navy);
}

.case-tabs button,
.anatomy-list button {
  color: var(--accent-text);
  background: var(--white);
  border-color: var(--border);
}

.inquiry-prep,
.inquiry-flow,
.part-specs div {
  border-color: var(--border);
}

.product-slot,
.image-placeholder,
.case-image {
  background:
    linear-gradient(135deg, rgba(247, 248, 250, 0.96), rgba(255, 255, 255, 0.98)),
    var(--white);
  border-color: var(--border);
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--deep-navy);
  box-shadow: 0 0 0 4px rgba(16, 32, 51, 0.12);
}

.page-main {
  background: var(--white);
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.78fr);
  gap: 52px;
  align-items: center;
  min-height: 460px;
  padding-top: 86px;
  padding-bottom: 64px;
}

.page-kicker {
  margin: 0 0 14px;
  color: var(--accent-text);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-hero h1 {
  max-width: 760px;
  margin-bottom: 18px;
  color: var(--charcoal);
  font-size: clamp(42px, 5.2vw, 74px);
  font-weight: 860;
  line-height: 0.98;
}

.page-hero p {
  max-width: 660px;
  color: var(--muted-text);
  font-size: 18px;
}

.page-actions,
.page-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.42fr);
  gap: 28px;
  align-items: start;
}

.page-panel,
.spec-panel,
.case-card,
.quote-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 42px rgba(16, 32, 51, 0.06);
}

.page-panel,
.spec-panel,
.case-card {
  padding: 26px;
}

.page-panel h2,
.spec-panel h2,
.quote-panel h2 {
  margin-bottom: 18px;
  color: var(--charcoal);
  font-size: clamp(26px, 2.6vw, 38px);
}

.option-list,
.case-card-grid,
.buyer-fit-grid,
.related-grid,
.spec-grid {
  display: grid;
  gap: 14px;
}

.option-list,
.buyer-fit-grid,
.related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.option-list article,
.buyer-fit-grid article,
.related-grid a,
.spec-grid div {
  padding: 18px;
  color: var(--card-text);
  background: var(--deep-navy);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}

.option-list article:nth-child(2),
.buyer-fit-grid article:nth-child(2),
.related-grid a:nth-child(2),
.spec-grid div:nth-child(2) {
  background: var(--muted-navy);
}

.option-list article:nth-child(3),
.buyer-fit-grid article:nth-child(3),
.related-grid a:nth-child(3),
.spec-grid div:nth-child(3) {
  background: var(--deep-teal);
}

.option-list article:nth-child(4),
.buyer-fit-grid article:nth-child(4),
.related-grid a:nth-child(4),
.spec-grid div:nth-child(4) {
  background: var(--deep-olive);
}

.option-list h3,
.buyer-fit-grid h3,
.related-grid h3,
.spec-grid strong,
.case-card h3 {
  color: inherit;
  font-size: 18px;
}

.option-list p,
.buyer-fit-grid p,
.related-grid p,
.spec-grid span,
.case-card p {
  margin-bottom: 0;
  color: var(--card-muted);
  font-size: 14px;
}

.spec-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.spec-grid strong,
.spec-grid span {
  display: block;
}

.spec-grid span {
  margin-top: 8px;
}

.product-section {
  padding-top: 42px;
  padding-bottom: 42px;
}

.product-section + .product-section {
  padding-top: 26px;
}

.spec-table {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 42px rgba(16, 32, 51, 0.06);
}

.spec-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--border);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row strong,
.spec-row span {
  padding: 16px 18px;
}

.spec-row strong {
  color: var(--charcoal);
  background: var(--soft-gray);
  font-weight: 820;
}

.spec-row span {
  color: var(--muted-text);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.05);
}

.faq-list summary {
  color: var(--charcoal);
  font-weight: 820;
  cursor: pointer;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted-text);
  font-size: 15px;
}

.related-grid a {
  display: block;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.related-grid a:hover {
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: 0 18px 44px rgba(16, 32, 51, 0.16);
  transform: translateY(-2px);
}

.case-filter-list,
.capability-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-filter-list span,
.capability-strip span {
  padding: 10px 13px;
  color: var(--card-text);
  background: var(--deep-navy);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 780;
}

.case-filter-list span:nth-child(2n),
.capability-strip span:nth-child(2n) {
  background: var(--muted-navy);
}

.case-filter-list span:nth-child(3n),
.capability-strip span:nth-child(3n) {
  background: var(--deep-teal);
}

.case-filter-list span:nth-child(4n),
.capability-strip span:nth-child(4n) {
  background: var(--deep-olive);
}

.oem-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.oem-case-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 42px rgba(16, 32, 51, 0.06);
}

.oem-case-card h3 {
  margin: 0;
  color: var(--charcoal);
  font-size: 20px;
}

.case-detail-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.case-detail-list div {
  padding: 13px;
  color: var(--card-text);
  background: var(--deep-navy);
  border-radius: var(--radius);
}

.case-detail-list div:nth-child(2) {
  background: var(--muted-navy);
}

.case-detail-list div:nth-child(3) {
  background: var(--deep-teal);
}

.case-detail-list div:nth-child(4) {
  background: var(--deep-olive);
}

.case-detail-list dt {
  color: var(--card-text);
  font-size: 11px;
  font-weight: 840;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-detail-list dd {
  margin: 5px 0 0;
  color: var(--card-muted);
  font-size: 13px;
  line-height: 1.42;
}

.case-workflow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
  padding: 22px 0;
  counter-reset: case-workflow;
}

.case-workflow::before {
  position: absolute;
  top: 50%;
  right: 5%;
  left: 5%;
  z-index: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--deep-navy), var(--deep-teal), var(--deep-olive));
  content: "";
  opacity: 0.42;
  transform: translateY(-50%);
}

.case-workflow span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 88px;
  padding: 34px 12px 14px;
  color: var(--card-text);
  background: linear-gradient(145deg, var(--deep-navy), #14263b);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(16, 32, 51, 0.13);
  font-size: 13px;
  font-weight: 780;
  text-align: center;
}

.case-workflow span::before {
  position: absolute;
  top: -17px;
  left: 50%;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--white);
  background: var(--deep-navy);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 10px 22px rgba(16, 32, 51, 0.18);
  font-size: 12px;
  font-weight: 850;
  content: counter(case-workflow);
  counter-increment: case-workflow;
  transform: translateX(-50%);
}

.case-workflow span:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -12px;
  z-index: 2;
  width: 10px;
  height: 10px;
  border-top: 2px solid rgba(16, 32, 51, 0.64);
  border-right: 2px solid rgba(16, 32, 51, 0.64);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.case-workflow span:nth-child(2) { background: linear-gradient(145deg, var(--muted-navy), #263c59); }
.case-workflow span:nth-child(3) { background: linear-gradient(145deg, var(--deep-teal), #064f54); }
.case-workflow span:nth-child(4) { background: linear-gradient(145deg, var(--forest), #2d4632); }
.case-workflow span:nth-child(5) { background: linear-gradient(145deg, var(--deep-olive), #46502c); }
.case-workflow span:nth-child(6) { background: linear-gradient(145deg, var(--warm-brown), #44372e); }
.case-workflow span:nth-child(7) { background: linear-gradient(145deg, var(--charcoal), #1a2534); }

.case-workflow span:nth-child(2)::before { background: var(--muted-navy); }
.case-workflow span:nth-child(3)::before { background: var(--deep-teal); }
.case-workflow span:nth-child(4)::before { background: var(--forest); }
.case-workflow span:nth-child(5)::before { background: var(--deep-olive); }
.case-workflow span:nth-child(6)::before { background: var(--warm-brown); }
.case-workflow span:nth-child(7)::before { background: var(--charcoal); }

.page-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 28px;
  padding: 28px;
  color: var(--card-text);
  background: linear-gradient(135deg, var(--deep-navy), var(--charcoal));
  border-radius: var(--radius);
}

.page-cta h2,
.page-cta p {
  color: inherit;
}

.page-cta p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--card-muted);
}

.case-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card {
  display: grid;
  gap: 16px;
}

.case-card h3 {
  color: var(--charcoal);
}

.case-card p {
  color: var(--muted-text);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-meta span {
  padding: 7px 10px;
  color: var(--accent-text);
  background: var(--soft-gray);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 760;
}

.quote-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 28px;
  padding: 28px;
}

.page-form-note {
  margin: 0;
  color: var(--muted-text);
}

.inquiry-section {
  padding-top: 52px;
}

.inquiry-page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.36fr);
  gap: 28px;
  align-items: start;
}

.inquiry-form fieldset {
  display: grid;
  gap: 16px;
  min-width: 0;
  padding: 0 0 22px;
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--border);
}

.inquiry-form fieldset:last-of-type {
  border-bottom: 0;
}

.inquiry-form legend {
  margin-bottom: 2px;
  color: var(--charcoal);
  font-size: 18px;
  font-weight: 840;
}

.form-grid {
  display: grid;
  gap: 14px;
}

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

.form-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid .wide {
  grid-column: 1 / -1;
}

.inquiry-form label em,
.inquiry-form label span {
  color: var(--muted-text);
  font-style: normal;
  font-weight: 680;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 12px;
  color: var(--card-text);
  background: var(--deep-navy);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 760;
}

.checkbox-grid label:nth-child(2n) {
  background: var(--muted-navy);
}

.checkbox-grid label:nth-child(3n) {
  background: var(--deep-teal);
}

.checkbox-grid label:nth-child(4n) {
  background: var(--deep-olive);
}

.checkbox-grid input {
  width: 16px;
  min-height: 16px;
  margin: 0 9px 0 0;
  accent-color: var(--orange);
}

.inquiry-side-panel {
  display: grid;
  gap: 16px;
  position: sticky;
  top: 96px;
}

.side-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 42px rgba(16, 32, 51, 0.06);
}

.side-card.dark {
  color: var(--card-text);
  background: linear-gradient(145deg, var(--deep-navy), var(--charcoal));
  border-color: rgba(255, 255, 255, 0.14);
}

.side-card h2 {
  margin-bottom: 16px;
  color: inherit;
  font-size: 22px;
}

.side-card p {
  margin: 0;
  color: var(--muted-text);
}

.side-card.dark p,
.side-card.dark li {
  color: var(--card-muted);
}

.side-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.side-card li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.side-card li:last-child {
  border-bottom: 0;
}

.response-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.response-steps article {
  min-height: 178px;
  padding: 22px;
  color: var(--card-text);
  background: var(--deep-navy);
  border-radius: var(--radius);
  box-shadow: 0 16px 38px rgba(16, 32, 51, 0.12);
}

.response-steps article:nth-child(2) {
  background: var(--muted-navy);
}

.response-steps article:nth-child(3) {
  background: var(--deep-teal);
}

.response-steps article:nth-child(4) {
  background: var(--deep-olive);
}

.response-steps span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--orange);
  font-weight: 860;
}

.response-steps h3 {
  color: var(--card-text);
  font-size: 18px;
}

.response-steps p {
  margin-bottom: 0;
  color: var(--card-muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 34px 5vw;
  color: #f3eadf;
  background: var(--charcoal);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 780;
}

@media (max-width: 1040px) {
  .intro-grid,
  .final-cta,
  .anatomy-layout,
  .case-panel {
    grid-template-columns: 1fr;
  }

  .hero-immersive {
    min-height: 100vh;
    background: var(--white);
  }

  .hero-spline-stage {
    inset: 0;
    min-height: 0;
    height: 100%;
  }

  .hero-stage::before,
  .hero-stage::after {
    inset: 46px;
  }

  .category-grid,
  .solution-grid,
  .metric-grid,
  .case-card-grid,
  .oem-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-hero,
  .page-layout,
  .quote-panel,
  .inquiry-page-layout {
    grid-template-columns: 1fr;
  }

  .inquiry-side-panel {
    position: static;
  }

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

  .checkbox-grid,
  .response-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .anatomy-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .process-track {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 6px 0 6px 48px;
  }

  .case-workflow {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 6px 0 6px 48px;
  }

  .process-track::before,
  .case-workflow::before {
    top: 16px;
    bottom: 16px;
    left: 18px;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--deep-navy), var(--deep-teal), var(--deep-olive));
    transform: none;
  }

  .process-track span,
  .case-workflow span {
    min-height: 74px;
    place-items: center start;
    padding: 18px 20px;
    text-align: left;
  }

  .process-track span::before,
  .case-workflow span::before {
    top: 50%;
    left: -48px;
    transform: translateY(-50%);
  }

  .process-track span:not(:last-child)::after,
  .case-workflow span:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -15px;
    left: -35px;
    width: 10px;
    height: 10px;
    border-top: 0;
    border-left: 0;
    border-right: 2px solid rgba(16, 32, 51, 0.64);
    border-bottom: 2px solid rgba(16, 32, 51, 0.64);
    transform: rotate(45deg);
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    right: 5vw;
    left: 5vw;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .site-nav a::after {
    display: none;
  }

  .section {
    padding: 62px 5vw;
  }

  .hero-immersive {
    min-height: 100vh;
  }

  .hero-brand-watermark {
    inset: 0;
  }

  .tuzh-line {
    font-size: clamp(80px, 24vw, 118px);
  }

  .umbrella-line {
    font-size: clamp(44px, 14vw, 68px);
    -webkit-text-stroke-width: 1px;
    text-stroke-width: 1px;
  }

  .hero-subtitle-minimal {
    right: 5vw;
    bottom: 48px;
    left: 5vw;
    font-size: 12px;
    letter-spacing: 0.16em;
    text-align: center;
  }

  .hero-spline-stage {
    display: none;
  }

  .hero-immersive .spline-fallback {
    display: flex;
  }

  .spline-fallback {
    width: min(84vw, 420px);
    min-height: 260px;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .visual-frame.large {
    min-height: 430px;
  }

  .product-stage {
    min-height: 350px;
  }

  .product-plate {
    width: min(72%, 330px);
  }

  .stage-spec {
    width: min(170px, 43%);
    padding: 10px;
  }

  .stage-spec-left {
    top: 96px;
    left: 10px;
  }

  .stage-spec-right {
    right: 10px;
    bottom: 116px;
  }

  .stage-spec-bottom {
    bottom: 64px;
    left: 12px;
  }

  .material-strip {
    top: 62px;
    right: 12px;
    gap: 7px;
    padding: 8px;
  }

  .swatch {
    width: 24px;
    height: 24px;
  }

  .floating-spec {
    position: static;
    width: 100%;
    margin-top: 14px;
  }

  .steps,
  .category-grid,
  .solution-grid,
  .metric-grid,
  .option-list,
  .buyer-fit-grid,
  .related-grid,
  .spec-grid,
  .case-card-grid,
  .oem-case-grid,
  .form-grid.two,
  .form-grid.three,
  .checkbox-grid,
  .response-steps,
  .case-panel dl,
  .qc-strip,
  .process-track,
  .case-workflow {
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: auto;
    padding-top: 58px;
    padding-bottom: 44px;
  }

  .page-hero h1 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .page-hero p {
    font-size: 16px;
  }

  .page-layout,
  .quote-panel {
    gap: 18px;
  }

  .page-panel,
  .spec-panel,
  .case-card,
  .quote-panel {
    padding: 20px;
  }

  .page-cta {
    display: block;
    padding: 22px;
  }

  .page-cta .button {
    margin-top: 18px;
  }

  .product-section,
  .product-section + .product-section {
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .spec-row {
    grid-template-columns: 1fr;
  }

  .spec-row strong,
  .spec-row span {
    padding: 13px 16px;
  }

  .section-heading {
    display: block;
  }

  .product-slot {
    aspect-ratio: 16 / 10;
  }

  .anatomy-layout {
    padding: 12px;
  }

  .anatomy-image {
    min-height: 430px;
  }

  .anatomy-diagram {
    width: 100%;
    min-height: 350px;
  }

  .anatomy-pin {
    min-height: 30px;
    padding: 0 9px;
    font-size: 12px;
  }

  .anatomy-pin::before {
    width: 26px;
  }

  .pin-canopy {
    top: 76px;
    left: 8px;
  }

  .pin-ribs {
    top: 138px;
    right: 4px;
  }

  .pin-shaft {
    right: 24px;
    bottom: 118px;
  }

  .pin-runner {
    top: 220px;
    left: 0;
  }

  .pin-handle {
    right: 48px;
    bottom: 52px;
  }

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

  .inquiry-form {
    padding: 20px;
  }

  .form-heading {
    display: block;
  }

  .form-heading span {
    display: block;
    max-width: none;
    margin-top: 6px;
    text-align: left;
  }

  .process-track span {
    min-height: 78px;
  }

  .site-footer {
    flex-direction: column;
  }
}