:root {
  --blue: #07315f;
  --blue-2: #0f4f86;
  --blue-steel: #1f4e79;
  --blue-soft: #eaf2f9;
  --orange: #f47a1f;
  --orange-soft: #fff0e5;
  --ink: #17212f;
  --muted: #6b7788;
  --line: #d9e0e8;
  --line-strong: #bdc8d6;
  --soft: #f4f7fa;
  --white: #ffffff;
  --shadow-soft: 0 18px 45px rgba(23, 33, 47, 0.08);
  --shadow-hover: 0 24px 70px rgba(23, 33, 47, 0.13);
  --radius-sm: 4px;
  --radius-md: 8px;
  --space-page: clamp(18px, 5vw, 70px);
  --space-section: clamp(58px, 7vw, 92px);
  --font-title: "Manrope", "Inter", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --ease-premium: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

:focus-visible {
  outline: 3px solid rgba(244, 122, 31, 0.3);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 14px var(--space-page);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(23, 33, 47, 0.04);
}

.brand img {
  width: 136px;
  height: 52px;
  object-fit: contain;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  color: var(--blue);
  font-weight: 700;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition:
    color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.site-nav a:focus-visible {
  background: var(--blue-soft);
  color: var(--blue);
  outline: none;
}

.site-nav a::after {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 2px;
  content: "";
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms var(--ease-premium);
}

.site-nav a:hover::after,
.site-nav a.is-active::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.menu-button {
  display: none;
  width: 42px;
  height: 38px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 8px;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.menu-button:hover,
.menu-button[aria-expanded="true"] {
  border-color: var(--orange);
  box-shadow: 0 10px 28px rgba(23, 33, 47, 0.12);
}

.menu-button:active {
  transform: scale(0.96);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--blue);
}

.hero {
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(26px, 5vw, 70px);
  padding: clamp(44px, 7vw, 92px) var(--space-page);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    repeating-linear-gradient(0deg, rgba(7, 49, 95, 0.05) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(7, 49, 95, 0.04) 0 1px, transparent 1px 48px),
    var(--soft);
  color: var(--ink);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  color: var(--blue);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-text {
  max-width: 660px;
  margin: 22px 0 0;
  color: #354a63;
  font-size: clamp(18px, 2.1vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 0;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition:
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms var(--ease-premium);
}

.button:hover,
.button:focus-visible {
  box-shadow: 0 14px 34px rgba(23, 33, 47, 0.14);
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0) scale(0.98);
}

.button.primary {
  background: var(--orange);
  color: var(--white);
}

.button.secondary {
  background: var(--white);
  color: var(--blue);
  border: 1px solid var(--line);
}

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

.hero .button.primary:hover,
.hero .button.primary:focus-visible,
.hero .button.secondary:hover,
.hero .button.secondary:focus-visible {
  background: var(--orange);
  color: var(--white);
  outline: none;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 4px;
}

.hero-showcase {
  display: grid;
  gap: 14px;
  align-self: stretch;
  max-height: 560px;
}

.showcase-main,
.showcase-grid figure {
  display: grid;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(7, 49, 95, 0.08);
}

.showcase-main {
  grid-template-columns: minmax(160px, 1fr) minmax(180px, 0.85fr);
  align-items: center;
  min-height: 300px;
  border-top: 4px solid var(--orange);
}

.three-product-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 320px;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 34%, rgba(0, 158, 232, 0.14), transparent 30%),
    radial-gradient(circle at 50% 76%, rgba(7, 49, 95, 0.08), transparent 38%),
    linear-gradient(150deg, #ffffff 0%, #f5f8fb 52%, #eaf2f9 100%);
  cursor: grab;
  touch-action: none;
}

.three-product-stage::before {
  position: absolute;
  inset: 10% 12% 12%;
  content: "";
  border: 1px solid rgba(7, 49, 95, 0.08);
  border-radius: 50%;
  transform: rotateX(68deg);
}

.three-product-stage::after {
  position: absolute;
  left: 50%;
  bottom: 18%;
  width: 58%;
  height: 18%;
  content: "";
  background: radial-gradient(ellipse, rgba(7, 49, 95, 0.18), transparent 68%);
  transform: translateX(-50%);
}

.three-product-stage.is-dragging {
  cursor: grabbing;
}

.three-product-stage canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
}

.three-fallback {
  position: absolute;
  z-index: 0;
  display: block;
  width: 78%;
  height: 78%;
  object-fit: contain;
  opacity: 1;
  transition: opacity 220ms ease;
}

.three-product-stage.has-webgl .three-fallback {
  opacity: 0;
}

.three-product-stage.is-lite canvas {
  display: none;
}

.three-product-stage.is-lite .three-fallback {
  position: relative;
  z-index: 1;
  animation: productFloatLite 7s ease-in-out infinite;
  filter: drop-shadow(0 24px 34px rgba(7, 49, 95, 0.16));
}

@keyframes productFloatLite {
  0%, 100% {
    transform: translate3d(0, 0, 0) rotate(-1deg);
  }
  50% {
    transform: translate3d(0, -8px, 0) rotate(1deg);
  }
}

.stage-chip {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  padding: 7px 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(7, 49, 95, 0.12);
  border-radius: 4px;
  backdrop-filter: blur(10px);
}

.showcase-copy {
  padding: 24px;
}

.showcase-main span {
  display: block;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.showcase-main strong {
  display: block;
  color: var(--blue);
  font-size: 22px;
  line-height: 1.25;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.showcase-grid figure {
  min-height: 170px;
  margin: 0;
  padding: 12px;
  grid-template-rows: 1fr auto;
  place-items: center;
}

.showcase-grid img {
  display: block;
  width: 100%;
  height: 120px;
  object-fit: contain;
}

.showcase-grid figcaption {
  width: 100%;
  padding-top: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  border-top: 1px solid var(--line);
}

.section {
  padding: var(--space-section) var(--space-page);
}

.section-heading {
  max-width: 760px;
}

.section-copy {
  max-width: 820px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.section h2 {
  margin: 0;
  color: var(--blue);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(26px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
}

.intro-copy {
  color: var(--muted);
  font-size: 18px;
}

.intro-copy p:first-child { margin-top: 0; }

.solutions {
  background: var(--soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.card {
  min-height: 230px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition:
    border-color 180ms ease,
    box-shadow 220ms var(--ease-premium),
    transform 220ms var(--ease-premium);
}

.card:hover,
.card:focus-within {
  border-color: rgba(244, 122, 31, 0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card-number {
  display: inline-block;
  color: var(--orange);
  font-weight: 800;
  margin-bottom: 30px;
}

.card h3 {
  margin: 0 0 12px;
  color: var(--blue);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 23px;
}

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

.products {
  background: var(--white);
}

.category-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.category-preview {
  display: grid;
  grid-template-rows: 150px auto auto;
  gap: 10px;
  min-height: 270px;
  padding: 18px;
  color: var(--blue);
  text-decoration: none;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 220ms var(--ease-premium),
    transform 220ms var(--ease-premium);
}

.category-preview:hover,
.category-preview:focus-visible {
  background: var(--white);
  border-color: var(--orange);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  outline: none;
}

.category-preview img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 260ms var(--ease-premium);
}

.category-preview:hover img,
.category-preview:focus-visible img {
  transform: scale(1.035);
}

.category-preview strong {
  font-family: var(--font-title);
  font-size: 22px;
}

.category-preview span {
  color: var(--muted);
  font-size: 14px;
}

.catalog-cta {
  width: fit-content;
  margin-top: 22px;
}

.applications {
  overflow: hidden;
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.application-marquee {
  position: relative;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.application-marquee::before,
.application-marquee::after {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  width: clamp(38px, 12vw, 150px);
  content: "";
  pointer-events: none;
}

.application-marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--white), rgba(255, 255, 255, 0));
}

.application-marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--white), rgba(255, 255, 255, 0));
}

.application-track {
  display: flex;
  gap: 12px;
  width: max-content;
  padding: 18px;
  animation: applicationMarquee 30s linear infinite;
  will-change: transform;
}

.application-marquee:hover .application-track {
  animation-play-state: paused;
}

.machine-pill {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  color: var(--blue);
  font-family: var(--font-title);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  white-space: nowrap;
  background: var(--soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    transform 220ms var(--ease-premium);
}

.machine-pill:hover {
  background: var(--white);
  border-color: rgba(244, 122, 31, 0.6);
  transform: translateY(-2px);
}

.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.application-tags span {
  padding: 8px 12px;
  color: #41546d;
  font-size: 13px;
  font-weight: 800;
  background: rgba(7, 49, 95, 0.05);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

@keyframes applicationMarquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

.precision {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(300px, 1.05fr);
  align-items: center;
  gap: clamp(30px, 6vw, 82px);
  background:
    linear-gradient(135deg, rgba(7, 49, 95, 0.97), rgba(15, 79, 134, 0.94)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 42px);
  color: var(--white);
}

.precision h2 {
  color: var(--white);
}

.precision-copy p:not(.eyebrow) {
  max-width: 560px;
  margin: 18px 0 26px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.precision-copy .button.primary {
  background: var(--orange);
}

.precision-visual {
  display: grid;
  place-items: center;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.18), transparent 32%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 44px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.2);
}

.precision-part {
  position: relative;
  width: min(78vw, 390px);
  aspect-ratio: 0.72;
  display: grid;
  place-items: center;
}

.precision-part img {
  display: block;
  width: 72%;
  height: 86%;
  object-fit: contain;
  filter: drop-shadow(0 26px 32px rgba(0, 0, 0, 0.32));
  transform: translate3d(0, 0, 0);
  transition: transform 500ms var(--ease-premium);
}

.precision.is-visible .precision-part img {
  transform: translate3d(0, -4px, 0);
}

.measure-line {
  position: absolute;
  color: rgba(255, 255, 255, 0.88);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  opacity: 0;
  transition:
    opacity 420ms ease,
    transform 620ms var(--ease-premium);
}

.measure-line b {
  display: inline-block;
  padding: 4px 7px;
  background: rgba(7, 49, 95, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
}

.measure-line::before,
.measure-line::after {
  position: absolute;
  content: "";
  background: rgba(244, 122, 31, 0.92);
}

.line-diameter {
  top: 18%;
  left: 13%;
  right: 13%;
  padding-top: 12px;
  text-align: center;
  transform: scaleX(0.4);
}

.line-diameter::before {
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.line-diameter::after {
  top: -5px;
  left: 50%;
  width: 2px;
  height: 12px;
}

.line-height {
  top: 26%;
  right: 8%;
  bottom: 13%;
  padding-left: 12px;
  writing-mode: vertical-rl;
  transform: scaleY(0.35);
  transform-origin: top;
}

.line-height::before {
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
}

.line-hole {
  top: 31%;
  left: 56%;
  transform: translate3d(18px, -18px, 0);
}

.line-hole::before {
  top: 50%;
  right: 100%;
  width: 48px;
  height: 2px;
}

.line-length {
  left: 20%;
  right: 20%;
  bottom: 8%;
  padding-bottom: 12px;
  text-align: center;
  transform: scaleX(0.4);
}

.line-length::before {
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
}

.precision.is-visible .measure-line {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.precision.is-visible .line-hole {
  transform: translate3d(0, 0, 0);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.category-tabs button {
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--blue);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms var(--ease-premium);
}

.category-tabs button.active,
.category-tabs button:hover,
.category-tabs button:focus-visible {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  box-shadow: 0 12px 26px rgba(7, 49, 95, 0.14);
  outline: none;
}

.category-tabs button:active {
  transform: scale(0.98);
}

.product-list-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 30px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.product-list-header h3 {
  margin: 0;
  color: var(--blue);
  font-size: 28px;
}

.product-list-header span {
  color: var(--muted);
  font-weight: 800;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.product-card {
  display: grid;
  grid-template-rows: 210px 1fr auto;
  min-height: 100%;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition:
    border-color 180ms ease,
    box-shadow 220ms var(--ease-premium),
    transform 220ms var(--ease-premium);
}

.product-card:hover,
.product-card:focus-within {
  border-color: rgba(244, 122, 31, 0.55);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.empty-products {
  grid-column: 1 / -1;
  padding: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.empty-products h4 {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 22px;
}

.empty-products p {
  max-width: 720px;
  margin: 0 0 18px;
  color: var(--muted);
}

.product-photo {
  display: grid;
  place-items: center;
  position: relative;
  min-height: 210px;
  overflow: hidden;
  contain: paint;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.product-photo img {
  display: block;
  width: auto;
  height: auto;
  max-width: calc(100% - 32px);
  max-height: 178px;
  object-fit: contain;
  transition: transform 260ms var(--ease-premium);
}

.product-card:hover .product-photo img,
.product-card:focus-within .product-photo img {
  transform: scale(1.035);
}

.product-info {
  position: relative;
  z-index: 1;
  padding: 18px 18px 0;
  background: var(--soft);
}

.product-info span {
  display: block;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-info h4 {
  margin: 0;
  color: var(--blue);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 22px;
}

.product-info p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.product-info dl {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
}

.product-info dl div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
}

.product-info dt {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.product-info dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 18px;
}

.button.email {
  background: var(--blue-2);
  color: var(--white);
}

.seo-hero {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.seo-hero h1 {
  max-width: 900px;
  margin: 0;
  color: var(--blue);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
}

.seo-hero p:not(.eyebrow) {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.seo-products {
  background: var(--white);
}

.category-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.category-link {
  display: grid;
  gap: 8px;
  min-height: 110px;
  padding: 20px;
  color: var(--blue);
  text-decoration: none;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 220ms var(--ease-premium),
    transform 220ms var(--ease-premium);
}

.category-link:hover,
.category-link:focus-visible {
  background: var(--white);
  border-color: var(--orange);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  outline: none;
}

.category-link strong {
  font-family: var(--font-title);
  font-size: 22px;
}

.category-link span {
  color: var(--muted);
  font-weight: 800;
}

.product-info h4 a {
  color: inherit;
  text-decoration: none;
}

.product-info h4 a:hover,
.product-info h4 a:focus-visible {
  color: var(--orange);
  outline: none;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.product-detail-photo {
  display: grid;
  place-items: center;
  min-height: 430px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.product-detail-photo img {
  max-width: calc(100% - 48px);
  max-height: 360px;
  object-fit: contain;
}

.product-detail-info h1 {
  margin: 0;
  color: var(--blue);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
}

.product-detail-info p {
  color: var(--muted);
  font-size: 18px;
}

.product-detail-info dl {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.product-detail-info dl div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.product-detail-info dt {
  color: var(--blue);
  font-weight: 800;
}

.product-detail-info dd {
  margin: 0;
  color: var(--muted);
}

.detail-actions {
  max-width: 520px;
  padding: 0;
}

.service-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(26px, 5vw, 70px);
  background: var(--blue);
  color: var(--white);
}

.service-band h2 { color: var(--white); }

.steps {
  display: grid;
  gap: 12px;
}

.steps div {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-sm);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    transform 220ms var(--ease-premium);
}

.steps div:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.42);
  transform: translateX(4px);
}

.steps strong {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--orange);
  border-radius: 50%;
}

.contact {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(26px, 5vw, 70px);
}

.contact-info p {
  color: var(--muted);
  font-size: 17px;
}

.contact-info a {
  display: block;
  width: fit-content;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
  margin-top: 8px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--soft);
  box-shadow: var(--shadow-soft);
}

label {
  display: grid;
  gap: 7px;
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #b9c6d5;
  border-radius: 4px;
  padding: 12px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

textarea { resize: vertical; }

input:focus,
textarea:focus {
  outline: 2px solid rgba(244, 122, 31, 0.3);
  border-color: var(--orange);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(18px, 5vw, 70px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 96px;
  height: 42px;
  object-fit: contain;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 10px 18px 10px 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
  background: #1f9d55;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(16, 35, 59, 0.22);
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  background: #168344;
  outline: 3px solid rgba(31, 157, 85, 0.24);
}

.floating-whatsapp span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #1f9d55;
  background: var(--white);
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
}

.floating-whatsapp strong {
  font-size: 15px;
}

.scroll-reveal {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  transition:
    opacity 620ms ease,
    transform 620ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.scroll-reveal.reveal-soft {
  transform: translate3d(0, 18px, 0);
}

.scroll-reveal.reveal-left {
  transform: translate3d(-22px, 0, 0);
}

.scroll-reveal.reveal-right {
  transform: translate3d(22px, 0, 0);
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.scroll-parallax {
  transform: translate3d(0, var(--scroll-depth, 0px), 0);
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-reveal,
  .scroll-reveal.reveal-soft,
  .scroll-reveal.reveal-left,
  .scroll-reveal.reveal-right,
  .scroll-parallax,
  .three-product-stage.is-lite .three-fallback,
  .application-track {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
  }
  .measure-line {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 860px) {
  .menu-button { display: block; }
  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .hero,
  .intro,
  .precision,
  .service-band,
  .contact {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 42px;
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.9)),
      repeating-linear-gradient(0deg, rgba(7, 49, 95, 0.05) 0 1px, transparent 1px 42px),
      var(--soft);
  }
  .hero h1 {
    max-width: 620px;
    font-size: clamp(36px, 10vw, 54px);
    line-height: 1.02;
  }
  .hero-text {
    font-size: 17px;
  }
  .showcase-main {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .three-product-stage,
  .three-product-stage canvas {
    min-height: 310px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .application-track {
    animation-duration: 42s;
  }
  .machine-pill {
    min-height: 42px;
    padding-inline: 16px;
  }
  .precision-visual {
    min-height: 360px;
  }
  .precision-part {
    width: min(78vw, 330px);
  }
  .line-height {
    right: 2%;
  }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-detail { grid-template-columns: 1fr; }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .floating-whatsapp {
    right: 16px;
    bottom: 16px;
    min-height: 50px;
    padding-right: 14px;
  }
}

@media (max-width: 520px) {
  .site-header { padding-inline: 16px; }
  .brand img { width: 118px; }
  .hero {
    gap: 24px;
    padding-inline: 16px;
  }
  .hero h1 {
    font-size: clamp(34px, 12vw, 46px);
  }
  .hero-points {
    display: grid;
    grid-template-columns: 1fr;
  }
  .hero-points span {
    width: 100%;
  }
  .hero-actions .button { width: 100%; }
  .three-product-stage,
  .three-product-stage canvas {
    min-height: 300px;
  }
  .stage-chip {
    left: 12px;
    bottom: 12px;
    max-width: calc(100% - 24px);
    font-size: 11px;
  }
  .showcase-copy,
  .card,
  .contact-form {
    padding: 20px;
  }
  .hero-showcase {
    max-height: none;
  }
  .showcase-grid {
    display: none;
  }
  .floating-whatsapp {
    padding: 8px;
  }
  .floating-whatsapp strong {
    display: none;
  }
  .product-list-header { align-items: flex-start; flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
  .product-actions { grid-template-columns: 1fr; }
  .category-preview-grid { grid-template-columns: 1fr; }
  .catalog-cta { width: 100%; }
  .category-link-grid { grid-template-columns: 1fr; }
  .application-marquee {
    margin-inline: -16px;
    border-inline: 0;
    border-radius: 0;
  }
  .precision-visual {
    min-height: 320px;
  }
  .precision-part {
    width: min(82vw, 280px);
  }
  .measure-line {
    font-size: 9px;
  }
  .line-hole::before {
    width: 30px;
  }
  .product-detail-photo { min-height: 300px; }
  .product-detail-info dl div { grid-template-columns: 1fr; }
}