:root {
  color-scheme: dark;
  --bg: #07131d;
  --bg-deep: #050d14;
  --surface: #0c1d2a;
  --surface-2: #112735;
  --surface-soft: #142c3b;
  --text: #f3f6f8;
  --muted: #9baab4;
  --line: rgba(208, 224, 235, 0.16);
  --line-strong: rgba(208, 224, 235, 0.3);
  --accent: #ff6a00;
  --accent-hover: #e85f00;
  --success: #00a86b;
  --danger: #ff7c71;
  --navy: #0a2a4a;
  --shadow: 0 24px 70px rgba(0, 10, 18, 0.36);
  --radius: 14px;
  --radius-small: 10px;
  --container: 1240px;
  --nav-height: 72px;
  font-family: Inter, Roboto, "Noto Sans SC", "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7f9;
  --bg-deep: #e9eff3;
  --surface: #ffffff;
  --surface-2: #edf3f6;
  --surface-soft: #e4edf2;
  --text: #0a1822;
  --muted: #50616d;
  --line: rgba(10, 42, 74, 0.14);
  --line-strong: rgba(10, 42, 74, 0.28);
  --shadow: 0 24px 70px rgba(10, 42, 74, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 88% 8%, rgba(25, 63, 85, 0.2), transparent 31rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

img {
  display: block;
  max-width: 100%;
}

.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 {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(255, 106, 0, 0.5);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 100;
  transform: translateY(-180%);
  border-radius: var(--radius-small);
  background: var(--accent);
  color: #16100b;
  padding: 0.7rem 1rem;
  font-weight: 800;
}

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

.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px) saturate(130%);
}

.nav-shell {
  min-height: var(--nav-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-lockup {
  position: relative;
  width: 132px;
  height: 52px;
  display: block;
  flex: 0 0 auto;
}

.brand-logo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-logo-dark {
  display: none;
}

[data-theme="light"] .brand-logo-white {
  display: none;
}

[data-theme="light"] .brand-logo-dark {
  display: block;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.35rem;
  white-space: nowrap;
}

.desktop-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.89rem;
  font-weight: 650;
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--text);
}

.desktop-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.72rem;
  height: 2px;
  background: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.nav-whatsapp {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 0.9rem;
  border: 1px solid color-mix(in srgb, #25d366 58%, var(--line));
  border-radius: var(--radius-small);
  color: color-mix(in srgb, #25d366 72%, var(--text));
  font-size: 0.82rem;
  font-weight: 800;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-whatsapp:hover {
  border-color: #25d366;
  background: color-mix(in srgb, #25d366 10%, var(--surface));
  color: var(--text);
}

.mobile-nav .mobile-whatsapp {
  color: color-mix(in srgb, #25d366 72%, var(--text));
}

.language-select,
.icon-button,
.menu-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--text);
}

.language-select {
  width: 86px;
  padding: 0 0.45rem;
  font-size: 0.78rem;
}

.icon-button,
.menu-button {
  min-width: 40px;
  padding: 0.5rem;
  display: inline-grid;
  place-items: center;
}

.icon-button:hover,
.menu-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.menu-button {
  display: none;
}

.mobile-nav {
  display: none;
}

.mobile-nav.is-open {
  display: grid;
  gap: 0.2rem;
  padding: 0.5rem 1.25rem 1rem;
}

.mobile-nav a {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-weight: 650;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  padding: 0.75rem 1.1rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(1px) scale(0.99);
}

.button-primary {
  background: var(--accent);
  color: #1b110a;
}

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

.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.button-secondary:hover {
  background: var(--surface-2);
}

.button-quiet {
  min-height: auto;
  padding: 0.35rem 0;
  color: var(--text);
  border-radius: 0;
  border-bottom: 1px solid var(--accent);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  font-weight: 760;
}

.text-link::after {
  content: "→";
  color: var(--accent);
  transition: transform 160ms ease;
}

.text-link:hover::after {
  transform: translateX(4px);
}

.page-main {
  min-height: 70dvh;
}

.hero {
  min-height: calc(100dvh - var(--nav-height));
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  align-items: center;
  gap: 4vw;
  padding: 3rem 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.15rem;
  color: #ff9a54;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--accent);
}

.hero h1,
.page-hero h1 {
  margin: 0;
  max-width: 13ch;
  font-size: clamp(3rem, 5.8vw, 5.7rem);
  font-weight: 790;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero h1 span {
  color: #b9c4cb;
}

[data-theme="light"] .hero h1 span {
  color: #4d6472;
}

.hero-lead {
  max-width: 45ch;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.hero-media {
  position: relative;
  min-height: 620px;
  align-self: stretch;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 6% -8% 4% 3%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transform: rotate(2deg);
}

.hero-picture {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 620px;
}

.hero-image {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-spec {
  position: absolute;
  left: -2rem;
  bottom: 2rem;
  width: min(290px, 65%);
  padding: 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-spec strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1rem;
}

.hero-spec span {
  color: var(--muted);
  font-size: 0.82rem;
}

.trust-strip {
  border-block: 1px solid var(--line);
  background: var(--bg-deep);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  min-height: 118px;
  padding: 1.4rem 1.6rem;
  display: grid;
  align-content: center;
  border-right: 1px solid var(--line);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item strong {
  display: block;
  font-size: 1rem;
}

.trust-item span {
  color: var(--muted);
  font-size: 0.82rem;
}

.section {
  padding: clamp(5rem, 8vw, 8.5rem) 0;
}

.section-tight {
  padding: 4rem 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 2.7rem;
}

.section-head h2,
.content-title {
  margin: 0;
  font-size: clamp(2.25rem, 4vw, 4rem);
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.section-head p,
.content-title + p {
  max-width: 58ch;
  margin: 1rem 0 0;
  color: var(--muted);
}

.category-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.1rem;
  align-items: start;
}

.category-visual {
  position: relative;
  min-height: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius);
  background: #e8ecef;
}

.category-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.category-list {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1rem;
  align-self: stretch;
}

.category-item {
  position: relative;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #07131d;
  color: #f3f6f8;
  isolation: isolate;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.category-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(4, 14, 22, 0.94), rgba(4, 14, 22, 0.16) 70%);
}

.category-item-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.category-item:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
}

.category-item:hover .category-item-image {
  transform: scale(1.04);
}

.category-item strong {
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.category-item span {
  color: #c7d2d9;
  font-size: 0.82rem;
}

.capability-section {
  background: var(--bg-deep);
  border-block: 1px solid var(--line);
}

.capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 4rem;
  align-items: center;
}

.capability-image {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}

.capability-list {
  margin-top: 2rem;
}

.capability-row {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
}

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

.capability-index {
  color: #ff9a54;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.capability-row strong {
  display: block;
  margin-bottom: 0.25rem;
}

.capability-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.industry-track {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 1rem;
}

.industry-panel {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(to top, rgba(4, 14, 22, 0.95), rgba(4, 14, 22, 0.08)),
    var(--industry-bg, linear-gradient(145deg, #183b50, #0a1a25));
  color: #f3f6f8;
}

.industry-panel:first-child {
  min-height: 520px;
  background:
    linear-gradient(to top, rgba(4, 14, 22, 0.97), rgba(4, 14, 22, 0.22)),
    url('/assets/home-industry-motor.webp') center / cover;
}

.industry-panel:nth-child(2) {
  background:
    linear-gradient(to top, rgba(4, 14, 22, 0.97), rgba(4, 14, 22, 0.18)),
    url('/assets/home-industry-automotive.webp') center / cover;
}

.industry-panel:nth-child(3) {
  background:
    linear-gradient(to top, rgba(4, 14, 22, 0.97), rgba(4, 14, 22, 0.18)),
    url('/assets/home-industry-heavy-equipment.webp') center / cover;
}

.industry-panel strong {
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.industry-panel p {
  margin: 0.45rem 0 0;
  color: #bdc9d0;
  font-size: 0.9rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  min-height: 180px;
  padding: 1.5rem;
  display: grid;
  align-content: end;
  background: var(--surface);
}

.stat strong {
  font-size: clamp(2.2rem, 4vw, 4rem);
  letter-spacing: -0.06em;
  line-height: 1;
}

.stat span {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(125deg, rgba(255, 106, 0, 0.17), transparent 42%),
    var(--surface);
}

.cta-band h2 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.cta-band p {
  max-width: 56ch;
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.cta-band-image {
  min-height: 380px;
  color: #f3f6f8;
  background:
    linear-gradient(90deg, rgba(4, 14, 22, 0.94) 0%, rgba(4, 14, 22, 0.8) 44%, rgba(4, 14, 22, 0.26) 78%),
    url('/assets/home-rfq-cta.webp') center / cover;
}

.cta-band-image p {
  color: #c8d3da;
}

.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 3rem;
}

.footer-brand p {
  max-width: 36ch;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-col strong {
  display: block;
  margin-bottom: 0.9rem;
}

.footer-col a,
.footer-col span {
  display: block;
  margin: 0.52rem 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

.page-hero {
  padding: clamp(5rem, 9vw, 8rem) 0 3.5rem;
}

.page-hero h1 {
  max-width: 15ch;
  font-size: clamp(3rem, 5.2vw, 5rem);
}

.page-hero p {
  max-width: 60ch;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.2rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.breadcrumb a:hover {
  color: var(--text);
}

.breadcrumb span::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--line-strong);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 2rem;
  align-items: start;
}

.bearing-family-section {
  border-block: 1px solid var(--line);
  background: var(--bg-deep);
}

.bearing-family-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.bearing-family-card {
  position: relative;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.15rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e9edf0;
  color: #f3f6f8;
  isolation: isolate;
  transition: transform 180ms ease, border-color 180ms ease;
}

.bearing-family-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(4, 14, 22, 0.94), rgba(4, 14, 22, 0.02) 70%);
}

.bearing-family-card img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.bearing-family-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.bearing-family-card:hover img {
  transform: scale(1.035);
}

.bearing-family-card strong {
  font-size: 1.02rem;
  line-height: 1.25;
}

.bearing-family-card span {
  margin-top: 0.25rem;
  color: #c7d2d9;
  font-size: 0.76rem;
}

.family-hero {
  padding: clamp(2.5rem, 6vw, 6rem) 0 clamp(2rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 16%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 32%),
    var(--bg-deep);
}

.family-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.family-hero-copy h1 {
  max-width: 760px;
  margin: 0.35rem 0 1.15rem;
  font-size: clamp(3.1rem, 6vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.family-hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.family-hero-media {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 1.4);
  background: #e4e8eb;
  box-shadow: var(--shadow);
}

.family-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, transparent 55%, rgba(4, 14, 22, 0.2));
  pointer-events: none;
}

.family-hero-media img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
}

.family-table-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.35rem;
}

.family-table-head h2 {
  margin: 0.25rem 0 0.5rem;
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.family-table-head p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
}

.family-search {
  position: relative;
  display: block;
}

.family-search input {
  width: 100%;
  min-height: 54px;
  padding: 0.8rem 6.2rem 0.8rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--text);
}

.family-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.14);
  outline: none;
}

.family-search > span:last-child {
  position: absolute;
  top: 50%;
  right: 1rem;
  color: var(--muted);
  font-size: 0.75rem;
  transform: translateY(-50%);
}

.family-table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(5, 20, 30, 0.07);
}

.family-table-shell:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.family-data-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.family-data-table th,
.family-data-table td {
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.family-data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.055em;
}

.family-data-table tbody th {
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 850;
}

.family-data-table tbody td {
  color: var(--muted);
  font-size: 0.9rem;
}

.family-data-table tbody tr {
  transition: background-color 140ms ease;
}

.family-data-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
}

.family-data-table tbody tr:last-child th,
.family-data-table tbody tr:last-child td {
  border-bottom: 0;
}

.family-data-table tr[hidden] {
  display: none;
}

.family-empty {
  min-width: 780px;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.family-empty p {
  margin-bottom: 0;
  color: var(--muted);
}

.data-integrity-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.data-integrity-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface);
}

.data-integrity-card > span {
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.data-integrity-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.data-integrity-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.family-source {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: var(--surface-2);
}

.family-source div {
  display: grid;
  gap: 0.2rem;
}

.family-source span,
.family-source small {
  color: var(--muted);
  font-size: 0.68rem;
}

.family-source span {
  font-weight: 900;
  letter-spacing: 0.09em;
}

.family-source strong {
  font-size: 0.86rem;
}

.family-source .text-link {
  flex: 0 0 auto;
  font-size: 0.82rem;
}

.filters {
  position: sticky;
  top: calc(var(--nav-height) + 1.2rem);
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.filter-group + .filter-group {
  margin-top: 1.3rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
}

.filter-label {
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.82rem;
  font-weight: 800;
}

.check-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0.5rem 0;
  color: var(--muted);
  font-size: 0.84rem;
  cursor: pointer;
}

.check-option input {
  accent-color: var(--accent);
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-box {
  flex: 1;
  position: relative;
}

.search-box input,
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.search-box input {
  min-height: 48px;
  padding: 0.75rem 1rem;
}

.search-box input::placeholder,
.field input::placeholder,
.field textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 82%, var(--text));
}

.search-box input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.16);
  outline: none;
}

.result-count {
  color: var(--muted);
  font-size: 0.82rem;
  white-space: nowrap;
}

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

.product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 180ms ease, border-color 180ms ease;
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
}

.product-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #dfe4e8;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}

.product-card-body {
  flex: 1;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
}

.product-type {
  margin: 0 0 0.25rem;
  color: #ff9a54;
  font-size: 0.71rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.product-card h3 {
  margin: 0;
  font-size: 1.18rem;
}

.product-dimensions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin: 1rem 0;
}

.dimension {
  padding: 0.55rem;
  border-radius: 8px;
  background: var(--surface-2);
}

.dimension span {
  display: block;
  color: var(--muted);
  font-size: 0.62rem;
}

.dimension strong {
  font-size: 0.82rem;
}

.product-card .text-link {
  margin-top: auto;
  font-size: 0.85rem;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 4rem 2rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
  color: var(--muted);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 4rem;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: calc(var(--nav-height) + 1.3rem);
}

.product-main-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: #dfe4e8;
}

.tech-note {
  margin-top: 1rem;
  padding: 1rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
}

.product-summary h1 {
  margin: 0;
  font-size: clamp(2.6rem, 4.5vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.product-summary > p {
  color: var(--muted);
}

.product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0;
}

.badge {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.spec-group {
  margin-top: 2rem;
}

.spec-group h2 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.spec-item {
  padding: 1rem;
  border-radius: var(--radius-small);
  background: var(--surface);
}

.spec-item span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
}

.spec-item strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1rem;
}

.detail-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.form-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2rem;
  align-items: start;
}

.rfq-card,
.aside-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.rfq-card {
  padding: clamp(1.25rem, 3vw, 2.2rem);
}

.compact-form-head {
  margin-bottom: 1.6rem;
}

.compact-form-head > span,
.aside-kicker {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.compact-form-head h2 {
  margin: 0.45rem 0 0.4rem;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.compact-form-head p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.required-mark {
  color: var(--accent);
}

.optional-label {
  margin-left: 0.35rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
}

.form-privacy {
  margin: 0.4rem 0 1rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.submit-rfq {
  width: 100%;
  min-height: 54px;
}

.aside-card {
  position: sticky;
  top: calc(var(--nav-height) + 1.2rem);
  padding: 1.35rem;
}

.aside-card h3 {
  margin-top: 0;
}

.aside-card p,
.aside-card li {
  color: var(--muted);
  font-size: 0.84rem;
}

.aside-card ul {
  padding-left: 1.1rem;
}

.quote-aside h3 {
  margin: 0.4rem 0 0.6rem;
  font-size: 1.35rem;
  line-height: 1.2;
}

.whatsapp-button {
  width: 100%;
  margin: 0.65rem 0 0.7rem;
  border-color: #1fab59;
  background: #25d366;
  color: #082b16;
}

.whatsapp-button:hover {
  border-color: #1c9d50;
  background: #20bd5a;
}

.whatsapp-number {
  display: block;
  color: var(--text);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.aside-divider {
  height: 1px;
  margin: 1.4rem 0;
  background: var(--line);
}

.form-progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.progress-step {
  height: 4px;
  border-radius: 4px;
  background: var(--surface-soft);
}

.progress-step.is-active {
  background: var(--accent);
}

.form-step {
  display: none;
}

.form-step.is-active {
  display: block;
  animation: fade-up 300ms ease both;
}

.form-step h2 {
  margin: 0 0 1.25rem;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
}

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

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

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
  font-weight: 760;
}

.field input,
.field select,
.field textarea {
  min-height: 48px;
  padding: 0.74rem 0.82rem;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

.field-error {
  min-height: 1.2em;
  margin-top: 0.3rem;
  color: var(--danger);
  font-size: 0.75rem;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.2rem;
}

.choice-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice-card span {
  min-height: 54px;
  display: grid;
  place-items: center;
  padding: 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  color: var(--muted);
  text-align: center;
  cursor: pointer;
}

.choice-card input:checked + span {
  border-color: var(--accent);
  background: rgba(255, 106, 0, 0.1);
  color: var(--text);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.consent input {
  margin-top: 0.3rem;
  accent-color: var(--accent);
}

.success-panel {
  padding: 3rem 1.5rem;
  text-align: center;
}

.success-mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(0, 168, 107, 0.14);
  color: var(--success);
  font-size: 2rem;
  font-weight: 900;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.content-card {
  grid-column: span 4;
  min-height: 240px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.content-card.wide {
  grid-column: span 8;
}

.content-card.tall {
  min-height: 400px;
}

.content-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

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

.content-card ul {
  padding-left: 1.1rem;
  color: var(--muted);
}

.industry-image-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.industry-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.industry-card:hover,
.factory-card:hover,
.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.industry-card-featured {
  grid-column: span 2;
}

.industry-card > img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  display: block;
  object-fit: cover;
  object-position: center;
}

.industry-card-body {
  padding: 1.25rem;
}

.industry-card-body h3,
.factory-card-body h3 {
  margin: 0;
  font-size: 1.24rem;
}

.industry-card-body p,
.factory-card-body p {
  color: var(--muted);
}

.industry-card-body p strong {
  color: var(--text);
}

.factory-section {
  border-block: 1px solid var(--line);
  background: var(--surface-2);
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.factory-card {
  grid-column: span 4;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.factory-card-wide {
  grid-column: span 8;
}

.factory-card > img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  object-position: center;
}

.factory-card-wide > img {
  aspect-ratio: 16 / 9;
}

.factory-card-body {
  padding: 1.15rem 1.25rem 1.3rem;
}

.factory-card-body small {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.factory-card-body p {
  margin-bottom: 0;
  font-size: 0.88rem;
}

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

.blog-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.blog-card-featured {
  grid-column: span 2;
}

.blog-card > img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  object-position: center;
}

.blog-card-body {
  padding: 1.25rem;
}

.blog-card-body small {
  color: var(--accent);
  font-weight: 800;
}

.blog-card-body h2 {
  margin: 0.55rem 0 0.7rem;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.15;
}

.blog-card-body p {
  color: var(--muted);
  font-size: 0.88rem;
}

.article-hero {
  padding: clamp(3rem, 7vw, 6rem) 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg-deep);
}

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.article-category {
  display: block;
  margin: 1.5rem 0 0.7rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.5rem, 5.2vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.article-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.article-hero img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  border-radius: var(--radius);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 780px) minmax(260px, 320px);
  justify-content: center;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.article-summary {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--surface-2);
}

.article-summary > strong {
  font-size: 1.15rem;
}

.article-summary ul,
.article-section ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.article-summary li,
.article-section li {
  margin: 0.55rem 0;
  color: var(--muted);
}

.article-section {
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--line);
}

.article-section h2,
.article-sources h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.article-section p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.82;
}

.article-faq details {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.article-faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 800;
}

.article-faq details p {
  margin-bottom: 0;
}

.article-sources {
  padding-top: 2.4rem;
}

.article-sources ol {
  padding-left: 1.3rem;
}

.article-sources li {
  margin: 0.65rem 0;
  color: var(--muted);
}

.article-sources a {
  color: var(--text);
  text-decoration-color: var(--accent);
  text-underline-offset: 0.2em;
}

.article-note {
  margin-top: 1.5rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface);
}

.article-note p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.article-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
}

.article-sidebar > div {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.article-sidebar span {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-sidebar p {
  color: var(--muted);
  font-size: 0.86rem;
}

.article-sidebar .button {
  width: 100%;
  margin-bottom: 1rem;
}

.related-reading {
  border-top: 1px solid var(--line);
  background: var(--surface-2);
}

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

.related-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.related-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
}

.related-card span,
.related-card strong {
  display: block;
  margin-inline: 1.1rem;
}

.related-card span {
  margin-top: 1rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
}

.related-card strong {
  margin-top: 0.35rem;
  margin-bottom: 1.2rem;
  line-height: 1.25;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-item {
  padding: 1.1rem;
  border-left: 2px solid var(--accent);
  background: var(--surface);
}

.contact-item span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.chat-launcher {
  position: fixed;
  right: 1.35rem;
  bottom: 1.35rem;
  z-index: 45;
  min-width: 58px;
  min-height: 58px;
  padding: 0 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-small);
  background: var(--accent);
  color: #1b110a;
  box-shadow: 0 18px 40px rgba(255, 106, 0, 0.2);
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.chat-launcher span {
  margin-left: 0;
}

.chat-launcher > img {
  width: 38px;
  height: 38px;
  border-radius: 9px;
}

.chat-panel {
  position: fixed;
  right: 1.35rem;
  bottom: 5.8rem;
  z-index: 44;
  width: min(390px, calc(100vw - 2rem));
  height: min(620px, calc(100dvh - 8rem));
  display: none;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.chat-panel.is-open {
  display: grid;
  animation: chat-in 240ms ease both;
}

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.chat-head strong {
  display: block;
}

.chat-identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-identity > img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 10px;
}

.chat-head small {
  color: var(--muted);
}

.chat-messages {
  overflow-y: auto;
  padding: 1rem;
}

.message {
  width: fit-content;
  max-width: 88%;
  margin-bottom: 0.7rem;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.87rem;
  white-space: pre-wrap;
}

.message.user {
  margin-left: auto;
  background: var(--accent);
  color: #1b110a;
  font-weight: 650;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.8rem 0;
}

.quick-action {
  padding: 0.52rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.76rem;
}

.quick-action:hover {
  border-color: var(--accent);
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  padding: 0.8rem;
  border-top: 1px solid var(--line);
}

.chat-form input {
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--bg);
  color: var(--text);
  padding: 0.7rem;
}

.chat-form button {
  border: 0;
  border-radius: var(--radius-small);
  background: var(--accent);
  color: #1b110a;
  padding: 0.7rem 0.9rem;
  font-weight: 850;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 40;
  width: min(460px, calc(100vw - 2rem));
  padding: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cookie-banner p {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.cookie-actions {
  display: flex;
  gap: 0.6rem;
}

.toast {
  position: fixed;
  top: calc(var(--nav-height) + 1rem);
  right: 1rem;
  z-index: 70;
  max-width: min(360px, calc(100vw - 2rem));
  transform: translateY(-0.75rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 220ms ease, opacity 180ms ease, visibility 0s linear 220ms;
}

.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.loading-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.skeleton {
  min-height: 340px;
  border-radius: var(--radius);
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 220% 100%;
  animation: shimmer 1.1s linear infinite;
}

.reveal-ready {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 650ms cubic-bezier(0.16, 1, 0.3, 1), transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-ready.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes chat-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes shimmer {
  to { background-position-x: -220%; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * {
    animation: fade-up 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .hero-copy > *:nth-child(2) { animation-delay: 80ms; }
  .hero-copy > *:nth-child(3) { animation-delay: 140ms; }
  .hero-copy > *:nth-child(4) { animation-delay: 200ms; }

  .hero-media {
    animation: fade-up 850ms 120ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 1120px) {
  .desktop-nav {
    display: none;
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .menu-button {
    display: inline-grid;
  }

  .hero-grid {
    grid-template-columns: 0.86fr 1.14fr;
  }

  .article-hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 820px) {
  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .hero {
    min-height: auto;
  }

  .nav-whatsapp {
    display: none;
  }

  .hero-grid,
  .category-layout,
  .capability-grid,
  .family-hero-grid,
  .family-table-head,
  .product-detail-grid,
  .form-shell,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .family-hero-media,
  .family-hero-media img {
    min-height: 380px;
  }

  .data-integrity-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding: 3.5rem 0 2rem;
  }

  .hero-media,
  .hero-picture,
  .hero-image {
    min-height: 470px;
  }

  .hero-spec {
    left: 1rem;
  }

  .trust-grid,
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .trust-item:nth-child(2) {
    border-right: 0;
  }

  .trust-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .industry-track,
  .industry-image-grid,
  .blog-grid {
    grid-template-columns: 1fr 1fr;
  }

  .industry-panel:first-child,
  .blog-card-featured,
  .industry-card-featured {
    grid-column: 1 / -1;
  }

  .factory-card,
  .factory-card-wide {
    grid-column: span 6;
  }

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

  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .filters,
  .product-gallery,
  .aside-card {
    position: static;
  }

  .content-card,
  .content-card.wide {
    grid-column: span 6;
  }

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

  .category-list {
    height: auto;
  }

  .category-item {
    min-height: 210px;
  }

  .cta-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand-lockup {
    width: 92px;
    height: 46px;
  }

  .nav-actions {
    gap: 0.4rem;
  }

  .language-select {
    width: 76px;
  }

  .desktop-rfq {
    display: none;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .hero-media,
  .hero-picture,
  .hero-image {
    min-height: 380px;
  }

  .hero-image {
    object-position: 61% center;
  }

  .trust-grid,
  .stats-grid,
    .category-list,
    .industry-track,
    .industry-image-grid,
    .product-grid,
  .bearing-family-grid,
  .field-grid,
  .field-grid.three,
  .choice-grid,
  .blog-grid,
  .related-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .article-hero {
    padding: 2.5rem 0;
  }

  .article-hero-grid {
    gap: 1.5rem;
  }

  .article-hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.5rem);
  }

  .article-section {
    padding: 1.8rem 0;
  }

  .trust-item,
  .trust-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

  .category-visual {
    min-height: 0;
  }

  .industry-panel:first-child,
  .blog-card-featured,
  .industry-card-featured {
    grid-column: auto;
  }

  .factory-card,
  .factory-card-wide {
    grid-column: 1 / -1;
  }

  .factory-card-wide > img {
    aspect-ratio: 4 / 3;
  }

  .capability-image {
    min-height: 0;
  }

  .catalog-toolbar,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .family-hero-copy h1 {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .family-hero-media,
  .family-hero-media img {
    min-height: 300px;
  }

  .family-source {
    align-items: flex-start;
    flex-direction: column;
  }

  .catalog-toolbar {
    display: flex;
  }

  .product-grid,
  .loading-grid {
    grid-template-columns: 1fr;
  }

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

  .content-card,
  .content-card.wide {
    grid-column: 1 / -1;
  }

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

  .detail-actions .button,
  .hero-actions .button {
    width: 100%;
  }

  .chat-launcher span {
    display: none;
  }

  .chat-panel {
    right: 1rem;
    bottom: 5.3rem;
  }

  .chat-launcher {
    right: 1rem;
    bottom: 1rem;
  }
}