/* Hongqian — factory-style B2B pipe fittings site */
:root {
  --ink: #0a1a2f;
  --ink-soft: #143050;
  --steel: #2a4a6a;
  --slate: #5a7188;
  --mist: #e8eef5;
  --paper: #f3f6fa;
  --white: #ffffff;
  --copper: #1a5a9c;
  --copper-deep: #124376;
  --copper-glow: rgba(26, 90, 156, 0.2);
  --cta-orange: #f15a22;
  --cta-orange-deep: #d94812;
  --cta-orange-shadow: 0 4px 12px rgba(241, 90, 34, 0.28);
  --cyan: #2bb8d6;
  --line: rgba(10, 26, 47, 0.1);
  --line-strong: rgba(10, 26, 47, 0.18);
  --shadow: 0 18px 50px rgba(10, 26, 47, 0.14);
  --radius: 8px;
  --container: 1180px;
  --header-h: 76px;
  --section-y: clamp(2.25rem, 4.2vw, 3.5rem);
  --section-head-mb: 1.35rem;
  --font-display: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --banner-url: url("../img/banner.jpg");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--copper-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--copper);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.45em;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 0.8rem;
}

ul {
  margin: 0 0 0.8rem;
  padding-left: 1.2rem;
}

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.55rem;
}

.lead {
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--steel);
  max-width: 42rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(180deg, #2169b3 0%, var(--copper) 55%, var(--copper-deep) 100%);
  color: var(--white);
  border-color: var(--copper-deep);
  box-shadow: 0 8px 18px rgba(18, 67, 118, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #2774c2 0%, #1a5a9c 45%, #0f3a68 100%);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-outline:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}

.logo:hover {
  color: var(--ink);
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 48px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

.logo-mark {
  display: none;
}

.logo-text {
  display: none;
}

.site-footer .logo-img {
  height: 52px;
  max-width: 150px;
  background: #fff;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius);
}

.nav {
  display: flex;
  align-items: center;
}

.nav .menu {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover,
.nav a.active,
.nav .current-menu-item > a,
.nav .current-menu-ancestor > a,
.nav .current-menu-parent > a {
  color: var(--ink);
  background: rgba(12, 21, 32, 0.05);
}

.nav-cta,
.nav .menu-item.nav-cta {
  margin-left: 0.5rem;
}

.nav-cta .btn {
  min-height: 42px;
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
}

.nav .menu-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav .menu-item-has-children > a {
  padding-right: 0.55rem;
}

.nav-caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.38rem;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.55;
}

.nav-sub-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  position: relative;
}

.nav-sub-toggle::before,
.nav-sub-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ink);
}

.nav-sub-toggle::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.nav-sub-toggle::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.nav .menu-item.is-open > .nav-sub-toggle::after {
  display: none;
}

.nav .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% - 0.15rem);
  left: 0;
  min-width: 230px;
  padding: 0.45rem 0;
  margin: 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(10, 26, 47, 0.12);
  z-index: 130;
}

.nav .menu-item-has-children:hover > .sub-menu,
.nav .menu-item-has-children:focus-within > .sub-menu,
.nav .menu-item-has-children.is-open > .sub-menu {
  display: block;
}

.nav .sub-menu a {
  display: block;
  padding: 0.55rem 0.95rem;
  border-radius: 0;
  white-space: nowrap;
}

.nav .sub-menu a:hover,
.nav .sub-menu .current-menu-item > a {
  color: var(--ink);
  background: rgba(12, 21, 32, 0.05);
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 103;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(10, 26, 47, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}

body.nav-open .float-dock,
body.nav-open .mobile-pdp-bar {
  visibility: hidden;
  pointer-events: none;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(300px, 34vh, 420px);
  display: grid;
  align-items: center;
  color: var(--white);
  overflow: hidden;
  background: var(--ink);
}

@media (min-width: 821px) {
  .hero {
    min-height: clamp(380px, 42vh, 500px);
  }
}

.hero-media {
  position: absolute;
  inset: 0;
  margin: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  transform: none;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10, 26, 47, 0.78) 0%,
    rgba(10, 26, 47, 0.48) 48%,
    rgba(18, 67, 118, 0.28) 100%
  );
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.28;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: clamp(1.6rem, 3.5vh, 2.6rem) 0;
  max-width: 720px;
}

@media (min-width: 821px) {
  .hero-content {
    padding: clamp(2.1rem, 4.5vh, 3.2rem) 0;
  }
}

.hero h1 {
  max-width: 18ch;
  font-size: clamp(1.85rem, 4vw, 3.2rem);
  line-height: 1.18;
  margin-bottom: 0.55em;
  animation: riseIn 0.9s var(--ease) both;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.86);
  animation: riseIn 0.9s var(--ease) 0.12s both;
}

.hero .btn-group {
  animation: riseIn 0.9s var(--ease) 0.22s both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  color: rgba(255, 255, 255, 0.92);
  animation: riseIn 0.9s var(--ease) both;
}

@keyframes heroZoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section {
  padding: var(--section-y) 0;
}

.section-head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: var(--section-head-mb);
  max-width: 640px;
}

.section-head h2 {
  margin-bottom: 0.25em;
}

.section-muted {
  background: linear-gradient(180deg, #eef2f6 0%, var(--paper) 100%);
}

.section-dark {
  background:
    radial-gradient(circle at 15% 20%, rgba(43, 184, 214, 0.14), transparent 35%),
    linear-gradient(160deg, #0a1a2f 0%, #123a63 55%, #1a5a9c 100%);
  color: var(--white);
}

.section-dark .lead,
.section-dark p {
  color: rgba(255, 255, 255, 0.78);
}

.section-dark a:not(.btn) {
  color: #7dd3ea;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: center;
}

.split-media {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--ink);
}

.split-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(160deg, rgba(12, 21, 32, 0.18), rgba(12, 21, 32, 0.45));
  pointer-events: none;
}

.split-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.split-media.factory::before {
  background: linear-gradient(160deg, rgba(12, 21, 32, 0.28), rgba(12, 21, 32, 0.55));
}

/* Feature / product grids — interaction containers */
.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 1rem;
}

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

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

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

.tile {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(192, 106, 50, 0.35);
  text-decoration: none;
  color: inherit;
}

.tile-media {
  aspect-ratio: 16 / 10;
  background: var(--mist) center / cover no-repeat;
}

.tile-body {
  padding: 1.05rem 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
}

.tile-body h3 {
  margin: 0;
}

.tile-body p {
  margin: 0;
  color: var(--slate);
  font-size: 0.98rem;
}

.tile-link {
  margin-top: auto;
  padding-top: 0.65rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--copper-deep);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.stat {
  padding: 1.25rem 1rem;
  border-top: 2px solid var(--copper);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.stat span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.checklist li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 4px var(--copper-glow);
}

/* Page hero (inner) */
.page-hero {
  position: relative;
  padding: clamp(2.2rem, 4.5vw, 3.5rem) 0;
  background:
    linear-gradient(120deg, rgba(10, 26, 47, 0.9), rgba(18, 67, 118, 0.72)),
    var(--banner-url) center / cover no-repeat;
  color: var(--white);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
    90deg,
    transparent 0,
    transparent 49%,
    rgba(255, 255, 255, 0.04) 50%,
    transparent 51%
  );
  background-size: 28px 100%;
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  max-width: 20ch;
  font-size: clamp(1.85rem, 4vw, 3rem);
}

.page-hero .lead,
.page-hero .archive-intro {
  color: rgba(255, 255, 255, 0.84);
}

.page-hero .archive-intro {
  max-width: 62ch;
}

.page-hero .archive-intro p {
  margin: 0 0 0.6rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.45rem;
  font-size: 0.88rem;
  line-height: 1.45;
  margin-bottom: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 100%;
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--white);
  text-decoration: underline;
}

.breadcrumbs span[aria-hidden="true"] {
  opacity: 0.5;
}

/* Product detail */
.product-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.product-gallery {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.product-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.75rem;
  font-size: 0.95rem;
  background: #fff;
}

.product-spec-table th,
.product-spec-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border: 1px solid #d7dde5;
  vertical-align: top;
}

.product-spec-table thead th {
  background: #f3f5f7;
  font-weight: 600;
  color: var(--ink);
}

.product-spec-table tbody th {
  width: 160px;
  font-weight: 600;
  color: var(--ink);
  background: #fafbfc;
}

.product-article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.2vw, 1.75rem) clamp(1.25rem, 2.4vw, 2rem);
  width: 100%;
  max-width: none;
}

.product-article .product-spec-table {
  margin-bottom: 1.5rem;
}

.pdp-buybox .pdp-actions {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.pdp-buybox .pdp-actions .btn {
  width: 100%;
  justify-content: center;
}

.product-faq-list {
  margin-top: 1.5rem;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.spec-table th {
  width: 38%;
  color: var(--slate);
  font-weight: 500;
  background: rgba(12, 21, 32, 0.03);
}

.inquiry-box {
  margin-top: 1.5rem;
  padding: 1.35rem;
  background: linear-gradient(160deg, #0a1a2f 0%, #124376 100%);
  color: var(--white);
  border-radius: var(--radius);
}

.inquiry-box p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
}

/* Blog */
.container.article-layout,
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 300px);
  gap: 1.15rem;
  align-items: start;
}

.oem-layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 1.35rem;
}

.oem-side-products {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 0.85rem;
}

.oem-side-product {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 0.7rem;
  align-items: center;
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.oem-side-product:hover {
  border-color: color-mix(in srgb, var(--copper) 45%, var(--line));
  box-shadow: 0 6px 18px rgba(15, 35, 55, 0.06);
}

.oem-side-thumb {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  overflow: hidden;
  background: #f4f6f8;
  display: grid;
  place-items: center;
}

.oem-side-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.oem-side-copy {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.oem-side-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
}

.oem-side-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.oem-side-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--copper);
}

.container.article-layout {
  width: min(100% - 2.5rem, 1200px);
}

.article {
  max-width: none;
  margin: 0;
}

.article-meta {
  color: var(--slate);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

.article h2 {
  margin-top: 2rem;
}

.article figure {
  margin: 1.75rem 0;
}

.article figcaption {
  font-size: 0.88rem;
  color: var(--slate);
  margin-top: 0.55rem;
}

.article-sidebar {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.article-side-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
}

.article-side-card .eyebrow {
  margin-bottom: 0.35rem;
}

.article-side-card h3 {
  margin: 0 0 0.85rem;
  font-size: 1.1rem;
  line-height: 1.3;
}

.article-side-card p {
  margin: 0 0 0.75rem;
  color: var(--steel);
  font-size: 0.94rem;
  line-height: 1.6;
}

.article-side-card--soft {
  background: var(--paper);
}

.article-product-links {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.article-product-links a {
  display: block;
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.article-product-links li:last-child a {
  border-bottom: 0;
}

.article-product-links a:hover {
  color: var(--copper);
  padding-left: 0.55rem;
}

.article-side-cta {
  width: 100%;
  min-height: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--cta-orange);
  color: #fff !important;
  border: 0;
  box-shadow: var(--cta-orange-shadow);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.article-side-cta:hover {
  background: var(--cta-orange-deep);
  color: #fff !important;
}

.article-side-more {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--copper);
  text-decoration: none;
}

.article-side-more:hover {
  text-decoration: underline;
}

.article-side-card--soft a {
  font-weight: 600;
  color: var(--copper);
  text-decoration: none;
}

.article-side-card--soft a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .article-layout,
  .oem-layout {
    grid-template-columns: 1fr;
    width: min(100% - 2.5rem, var(--container));
  }

  .article-sidebar {
    position: static;
    grid-template-columns: 1fr;
  }

  .oem-side-products {
    grid-template-columns: 1fr;
  }
}

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

.contact-grid--form-first {
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.85fr);
  gap: 1.25rem;
  align-items: start;
}

.contact-section {
  padding-top: 1.5rem;
}

.contact-hero {
  padding-bottom: 1.1rem;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.contact-card--form {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.contact-form-lead {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-extra {
  max-width: none;
}

.contact-card h3 {
  margin-bottom: 0.35rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.contact-list li {
  margin-bottom: 1rem;
}

.contact-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.2rem;
}

.form {
  display: grid;
  gap: 1rem;
}

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

label {
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 550;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--white);
  padding: 0.8rem 0.9rem;
  font: inherit;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px var(--copper-glow);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.9rem;
  color: var(--slate);
  margin: 0;
}

.form-success {
  display: none;
  padding: 1rem 1.1rem;
  background: #e8f5ec;
  border: 1px solid #b7dfc4;
  border-radius: var(--radius);
  color: #1f5c35;
}

.form-success[role="alert"] {
  background: #fdecea;
  color: #8a1f11;
  border-color: #f5c2c0;
}

.hq-hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.pdp-photo-fallback {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  background: linear-gradient(160deg, #123a63, #1a5a9c);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
}

.tile-media:not([style*="background-image"]) {
  background:
    linear-gradient(160deg, rgba(18, 67, 118, 0.18), rgba(10, 26, 47, 0.45)),
    var(--banner-url) center / cover no-repeat;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.navigation.pagination,
.navigation.hongqian-pagination {
  margin: 2.25rem 0 0.5rem;
  padding: 1.15rem 0 0;
  border-top: 1px solid var(--line);
}

.navigation.pagination .nav-links,
.navigation.hongqian-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.navigation.pagination .page-numbers,
.navigation.hongqian-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  text-decoration: none !important;
  color: var(--ink);
  background: #fff;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 1px 2px rgba(10, 26, 47, 0.04);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
    box-shadow 0.2s ease, transform 0.2s ease;
}

.navigation.pagination .page-numbers.prev,
.navigation.pagination .page-numbers.next,
.navigation.hongqian-pagination .page-numbers.prev,
.navigation.hongqian-pagination .page-numbers.next {
  min-width: auto;
  padding: 0 1.15rem;
  color: var(--copper-deep);
  border-color: rgba(26, 90, 156, 0.28);
}

.navigation.pagination .page-numbers.current,
.navigation.hongqian-pagination .page-numbers.current {
  background: var(--copper-deep);
  border-color: var(--copper-deep);
  color: #fff;
  box-shadow: 0 6px 16px rgba(18, 67, 118, 0.22);
}

.navigation.pagination a.page-numbers:hover,
.navigation.hongqian-pagination a.page-numbers:hover {
  background: rgba(26, 90, 156, 0.08);
  border-color: var(--copper);
  color: var(--copper-deep);
  transform: translateY(-1px);
  text-decoration: none !important;
}

.navigation.pagination a.page-numbers.prev:hover,
.navigation.pagination a.page-numbers.next:hover,
.navigation.hongqian-pagination a.page-numbers.prev:hover,
.navigation.hongqian-pagination a.page-numbers.next:hover {
  background: var(--copper-deep);
  border-color: var(--copper-deep);
  color: #fff;
}

.navigation.pagination .page-numbers.dots,
.navigation.hongqian-pagination .page-numbers.dots {
  min-width: 28px;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: var(--slate);
  padding: 0;
}

.form-success.show {
  display: block;
}

/* CTA band */
.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(120deg, #0a1a2f 0%, #124376 55%, #1a5a9c 100%);
  color: var(--white);
}

.cta-band p {
  margin: 0.35rem 0 0;
  color: rgba(255, 255, 255, 0.78);
  max-width: 40rem;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
  padding: 2.5rem 0 1.25rem;
  padding-bottom: calc(1.25rem + env(safe-area-inset-bottom));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.site-footer .logo {
  color: var(--white);
  margin-bottom: 1rem;
}

.site-footer .logo:hover {
  color: var(--white);
}

.site-footer .logo-text span {
  color: rgba(255, 255, 255, 0.55);
}

.site-footer h4 {
  color: var(--white);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  display: inline-block;
  padding: 0.28rem 0;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.9rem;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Utilities */
.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Responsive */
@media (max-width: 1100px) {
  .nav a {
    padding: 0.5rem 0.55rem;
    font-size: 0.86rem;
  }

  .nav-cta .btn {
    padding: 0.5rem 0.8rem;
  }
}

@media (max-width: 980px) {
  .grid-4:not(.product-showcase) {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .split,
  .product-layout,
  .contact-grid,
  .footer-grid,
  .product-highlight,
  .quote-pathway {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: clamp(1.85rem, 4.5vw, 2.75rem) 0;
  }

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

  .industry-card.featured {
    grid-row: auto;
    min-height: 220px;
  }

  .process-track {
    grid-template-columns: 1fr 1fr;
  }

  .process-step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-step:nth-child(odd) {
    border-right: 1px solid var(--line);
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: auto;
    z-index: 102;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.85rem 1.15rem 1.15rem;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .has-topbar .nav {
    top: calc(38px + var(--header-h));
    max-height: calc(100vh - 38px - var(--header-h));
  }

  .nav.open {
    display: block;
  }

  .nav .menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav a {
    padding: 0.75rem 0.65rem;
    font-size: 0.98rem;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav .menu-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .nav .menu-item > a {
    flex: 1;
    border-bottom: 0;
  }

  .nav .menu-item-has-children > a .nav-caret {
    display: none;
  }

  .nav-sub-toggle {
    display: inline-flex;
    margin: 0.35rem 0.15rem 0.35rem 0;
  }

  .nav .sub-menu {
    position: static;
    display: none;
    width: 100%;
    min-width: 0;
    border: 0;
    box-shadow: none;
    padding: 0 0 0.35rem 0.85rem;
    background: transparent;
  }

  .nav .menu-item-has-children:hover > .sub-menu,
  .nav .menu-item-has-children:focus-within > .sub-menu {
    display: none;
  }

  .nav .menu-item-has-children.is-open > .sub-menu {
    display: block;
  }

  .nav .sub-menu a {
    border-bottom: 0;
    padding: 0.5rem 0.45rem;
  }

  .nav-cta,
  .nav .menu-item.nav-cta {
    margin-left: 0;
    margin-top: 0.55rem;
    border-bottom: 0;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    align-items: end;
  }

  .hero-content {
    padding: 1.6rem 0 1.8rem;
    max-width: none;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(1.55rem, 7vw, 2.1rem);
  }

  .hero .lead {
    font-size: 0.98rem;
    margin-bottom: 0.35rem;
  }

  .factory-status {
    margin-bottom: 0.65rem;
    font-size: 0.66rem;
    letter-spacing: 0.08em;
  }

  .chip-row {
    margin-top: 0.85rem;
    gap: 0.35rem;
  }

  .chip {
    font-size: 0.68rem;
    min-height: 28px;
    padding: 0.2rem 0.55rem;
  }

  .trust-bar {
    margin-top: 1rem;
    grid-template-columns: 1fr 1fr;
  }

  .page-hero {
    padding: 1.6rem 0 1.75rem;
  }

  .page-hero h1 {
    max-width: none;
  }

  .section-head.wide {
    align-items: start;
  }
}

@media (max-width: 640px) {
  .topbar {
    display: none;
  }

  .has-topbar .nav {
    top: var(--header-h);
    max-height: calc(100vh - var(--header-h));
  }

  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  .grid-3,
  .grid-4:not(.product-showcase),
  .grid-2,
  .form-row,
  .footer-grid,
  .stat-row,
  .trust-bar,
  .industry-grid,
  .process-track,
  .capability-board,
  .proof-strip,
  .metric-strip,
  .resource-grid,
  .spec-grid,
  .quote-pathway {
    grid-template-columns: 1fr;
  }

  .process-step:nth-child(odd) {
    border-right: 0;
  }

  .cta-band {
    padding: 1.25rem;
    flex-direction: column;
    align-items: stretch;
  }

  .cta-band .btn {
    width: 100%;
  }

  .logo-img {
    height: 38px;
    max-width: 110px;
  }

  .section {
    padding: 1.6rem 0;
  }

  .section-head {
    margin-bottom: 1rem;
  }

  .split-media {
    min-height: 200px;
  }

  .btn-group {
    gap: 0.6rem;
  }

  .btn-group .btn {
    flex: 1 1 auto;
    min-width: min(100%, 150px);
  }

  .float-dock {
    right: 0.7rem;
    bottom: calc(0.85rem + env(safe-area-inset-bottom));
    gap: 0.5rem;
  }

  .float-btn {
    width: 44px;
    height: 44px;
  }

  .float-btn svg {
    width: 20px;
    height: 20px;
  }

  .faq-list summary {
    font-size: 0.95rem;
    padding-right: 2.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .hero h1,
  .hero .lead,
  .hero .btn-group,
  .hero-brand,
  .factory-status,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}

/* ——— Enterprise B2B enhancements (Swagelok / Parker style patterns) ——— */
:root {
  --container: 1220px;
  --header-h: 72px;
  --admin-bar-h: 0px;
}

.topbar {
  background: linear-gradient(90deg, #0a1a2f 0%, #124376 100%);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  border-bottom: 1px solid rgba(43, 184, 214, 0.2);
}

.topbar-inner {
  min-height: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
}

.topbar a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.topbar a:hover {
  color: #fff;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.35rem;
}

.site-header {
  top: 0;
}

.has-topbar .site-header {
  top: 0;
}

body.admin-bar {
  --admin-bar-h: 32px;
}

body.admin-bar .site-header {
  top: var(--admin-bar-h);
}

@media screen and (max-width: 782px) {
  body.admin-bar {
    --admin-bar-h: 46px;
  }
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  background: transparent;
  border: 0;
  margin-top: -1.5rem;
  position: relative;
  z-index: 5;
}

.trust-item {
  position: relative;
  overflow: hidden;
  background: var(--white);
  padding: 1.2rem 1.15rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(10, 26, 47, 0.08);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.trust-item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper) 0%, #2bb8d6 100%);
}

.trust-item:hover {
  transform: translateY(-2px);
  border-color: rgba(26, 90, 156, 0.28);
  box-shadow: 0 14px 32px rgba(10, 26, 47, 0.12);
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.98rem;
  margin-bottom: 0.35rem;
}

.trust-item span {
  color: var(--slate);
  font-size: 0.92rem;
  line-height: 1.5;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0.25rem 0.7rem;
  border: 1px solid rgba(43, 184, 214, 0.45);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(18, 67, 118, 0.35);
}

.chip-dark {
  border-color: var(--line-strong);
  color: var(--ink-soft);
  background: var(--white);
}

a.chip {
  text-decoration: none;
}

a.chip-dark:hover {
  border-color: var(--copper);
  color: var(--ink);
}

.section-head.wide {
  max-width: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 1rem 2rem;
}

.section-head.wide > div {
  max-width: 640px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head.center .lead {
  margin-inline: auto;
}

.industry-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.industry-card {
  position: relative;
  min-height: 180px;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 1.15rem;
  color: var(--white);
  text-decoration: none;
  background: var(--ink);
  isolation: isolate;
  transition: transform 0.35s var(--ease);
}

.industry-card-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  display: block;
}

.industry-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 21, 32, 0.1) 0%, rgba(12, 21, 32, 0.82) 100%);
  z-index: -1;
  transition: background 0.35s var(--ease);
}

.industry-card:hover {
  transform: translateY(-3px);
  color: var(--white);
  text-decoration: none;
}

.industry-card:hover::before {
  background: linear-gradient(180deg, rgba(12, 21, 32, 0.05) 0%, rgba(12, 21, 32, 0.88) 100%);
}

.industry-card.featured {
  grid-row: 1 / span 2;
  min-height: 100%;
}

.industry-card > div {
  position: relative;
  z-index: 1;
}

.industry-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.industry-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  max-width: 28ch;
}

.industry-b .industry-card-media {
  object-position: 30% 40%;
}

.industry-c .industry-card-media {
  object-position: 70% 60%;
}

.industry-d .industry-card-media {
  object-position: 80% 20%;
}

.industry-e .industry-card-media {
  object-position: 10% 80%;
}

.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.process-step {
  padding: 1.6rem 1.35rem 1.7rem;
  border-right: 1px solid var(--line);
  position: relative;
}

.process-step:last-child {
  border-right: 0;
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--copper);
  margin-bottom: 0.85rem;
}

.process-step h3 {
  margin: 0 0 0.45rem;
  font-size: 1.1rem;
}

.process-step p {
  margin: 0;
  color: var(--slate);
  font-size: 0.95rem;
}

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

.capability-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
}

.capability-item h3 {
  margin: 0 0 0.45rem;
  font-size: 1.1rem;
}

.capability-item p {
  margin: 0;
  font-size: 0.95rem;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}

.proof-pill {
  text-align: center;
  padding: 0.95rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
}

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

.metric-strip .metric {
  background: var(--white);
  padding: 1.4rem 1.2rem;
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
}

.metric span {
  color: var(--slate);
  font-size: 0.92rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 860px;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 1.05rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  position: relative;
  padding-right: 2.75rem;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--copper);
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list details p {
  margin: 0;
  padding: 0 1.25rem 1.15rem;
  color: var(--slate);
}

.product-highlight {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
  align-items: stretch;
}

.product-feature {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}

.tag-list li {
  padding: 0.3rem 0.65rem;
  background: var(--mist);
  border-radius: 999px;
  font-size: 0.82rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-soft);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin: 1.25rem 0;
}

.spec-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
  background: var(--white);
}

.spec-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.3rem;
}

.spec-box span {
  font-size: 0.98rem;
}

.sticky-panel {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.65rem;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.gallery-thumbs span {
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: var(--mist) center / cover no-repeat;
  border: 1px solid var(--line);
}

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

.quote-step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
}

.quote-step .num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 0.55rem;
  letter-spacing: 0.08em;
}

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

.resource-card {
  border-left: 3px solid var(--copper);
  background: var(--white);
  border-radius: 0 var(--radius) var(--radius) 0;
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-left-color: var(--copper);
  padding: 1.25rem 1.3rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
}

.resource-card .label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.45rem;
}

.blog-empty {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  max-width: 40rem;
}

.blog-empty--home {
  max-width: none;
  grid-column: 1 / -1;
}

.blog-empty .eyebrow {
  display: inline-block;
  margin-bottom: 0.55rem;
}

.blog-empty h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}

.blog-empty .lead {
  margin: 0 0 1.15rem;
  max-width: 46ch;
}

.blog-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.timeline {
  display: grid;
  gap: 0;
  border-left: 2px solid var(--line-strong);
  margin-left: 0.55rem;
  padding-left: 1.4rem;
}

.timeline-item {
  position: relative;
  padding-bottom: 1.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.78rem;
  top: 0.35rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 4px var(--copper-glow);
}

.timeline-item h3 {
  margin-bottom: 0.3rem;
}

.page-hero .btn-group {
  margin-top: 1rem;
}

.hero {
  min-height: clamp(300px, 34vh, 420px);
}

@media (min-width: 821px) {
  .hero {
    min-height: clamp(380px, 42vh, 500px);
  }
}

.hero-content {
  max-width: 760px;
  padding-bottom: clamp(1.5rem, 3.5vh, 2.4rem);
}

@media (min-width: 821px) {
  .hero-content {
    max-width: 1200px;
    padding-bottom: clamp(2rem, 4.5vh, 3rem);
  }
}

.contact-side-note {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  background: var(--mist);
  border-radius: var(--radius);
  font-size: 0.92rem;
  color: var(--steel);
}

@media (max-width: 980px) {
  .trust-bar,
  .process-track,
  .capability-board,
  .proof-strip,
  .metric-strip,
  .industry-grid,
  .product-highlight,
  .quote-pathway,
  .resource-grid,
  .spec-grid {
    grid-template-columns: 1fr 1fr;
  }

  .industry-card.featured {
    grid-row: auto;
    min-height: 220px;
  }

  .process-step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-step:nth-child(odd) {
    border-right: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .topbar {
    display: none;
  }

  .trust-bar,
  .process-track,
  .capability-board,
  .proof-strip,
  .metric-strip,
  .industry-grid,
  .product-highlight,
  .quote-pathway,
  .resource-grid,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .process-step:nth-child(odd) {
    border-right: 0;
  }

  .page-hero.product-hero h1 {
    max-width: none;
    font-size: clamp(1.55rem, 7vw, 2rem);
  }

  .hero .lead {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

/* ——— Product detail page (PDP) enhancements ——— */
.page-hero.product-hero {
  padding: clamp(1.5rem, 3.5vw, 2.4rem) 0;
}

.page-hero.product-hero h1 {
  max-width: 18ch;
  font-size: clamp(2rem, 4vw, 3rem);
}

.pdp-section {
  padding-top: 1.75rem;
  padding-bottom: 1.25rem;
}

/* Layout wrapper only — do not paint one tall shared card */
.pdp-shell {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}

.pdp {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

.pdp > [data-pdp-gallery] {
  width: 300px;
  max-width: 300px;
  height: auto;
  align-self: start;
}

.pdp-gallery {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  width: 300px;
  max-width: 300px;
  margin: 0;
  height: auto;
  display: block;
  box-sizing: border-box;
}

.pdp-main-wrap {
  position: relative;
  width: 300px;
  height: 300px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(192, 106, 50, 0.08), transparent 40%),
    linear-gradient(160deg, #f7f9fb, #eef2f6);
}

.pdp-main-wrap img {
  width: 300px !important;
  height: 300px !important;
  max-width: 300px !important;
  max-height: 300px !important;
  aspect-ratio: 1 / 1;
  object-fit: cover !important;
  display: block;
  transition: opacity 0.25s ease;
}

/* Buybox card */
.pdp-buybox {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
  padding: 1.2rem 1.35rem 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.85rem;
  width: 100%;
  max-width: none;
  min-height: 100%;
  height: auto;
  align-self: stretch;
  box-sizing: border-box;
}

.pdp-buybox > .eyebrow {
  margin: 0;
  line-height: 1.7;
  letter-spacing: 0.12em;
}

.pdp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
}

.pdp-meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper);
  color: var(--steel);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  line-height: 1.2;
}

a.pdp-meta-chip:hover {
  border-color: var(--copper);
  color: var(--copper-deep);
  background: rgba(26, 90, 156, 0.06);
}

.pdp-meta-chip--muted {
  border-color: transparent;
  background: rgba(10, 26, 47, 0.06);
  color: var(--slate);
}

.pdp-buybox > h1 {
  margin: 0;
  font-size: clamp(1.28rem, 1.9vw, 1.62rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  max-width: none;
  color: var(--ink);
}

.pdp-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 52ch;
}

.pdp-buybox .pdp-rating,
.pdp-buybox .pdp-benefits,
.pdp-buybox .qty-row label:last-child,
.pdp-buybox .pdp-actions .btn-outline,
.pdp-buybox .pdp-help {
  display: none !important;
}

.pdp-buybox .config-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: 1rem 1.35rem;
  width: 100%;
}

.pdp-buybox .config-pair .config-block {
  display: block;
  margin: 0;
  min-width: 0;
}

.pdp-buybox > .config-block {
  margin: 0;
  width: 100%;
}

.pdp-buybox .config-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
  font-size: 0.74rem;
  line-height: 1.55;
}

.pdp-buybox .config-more {
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--copper-deep);
  text-decoration: none;
  white-space: nowrap;
}

.pdp-buybox .config-more:hover {
  color: var(--copper);
}

.pdp-buybox .config-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pdp-buybox .config-options button {
  min-height: 36px;
  font-size: 0.82rem;
  line-height: 1.3;
  padding: 0.35rem 0.7rem;
}

.pdp-buybox .rfq-summary {
  display: block;
  width: 100%;
  margin: 0;
  margin-bottom: 0;
  padding: 0.85rem 0.95rem;
  line-height: 1.65;
}

.pdp-buybox .rfq-summary strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}

.pdp-buybox .rfq-summary p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.pdp-buybox .buy-row {
  display: grid;
  grid-template-columns: 7.75rem minmax(0, 1fr) minmax(0, 1fr);
  align-items: end;
  gap: 0.65rem;
  width: 100%;
  margin-top: 0;
}

.pdp-buybox .buy-row .qty-row {
  display: block;
  margin: 0;
  width: 100%;
  grid-column: 1;
}

.pdp-buybox .buy-row .qty-row label:first-child {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.35;
  width: 100%;
}

.pdp-buybox .buy-row .qty-row input {
  width: 100%;
  height: 46px;
  min-height: 46px;
  box-sizing: border-box;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  padding: 0 0.75rem;
  font-size: 0.95rem;
}

.pdp-buybox .buy-row .pdp-actions {
  display: contents;
  margin: 0;
}

.pdp-buybox .buy-row .pdp-actions .btn-outline,
.pdp-buybox .buy-row .pdp-actions .btn-primary {
  display: none !important;
}

.pdp-buybox .btn-cta-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  height: 46px;
  min-height: 46px;
  width: 100%;
  margin: 0;
  padding: 0 1rem;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #2169b3 0%, var(--copper) 55%, var(--copper-deep) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(18, 67, 118, 0.28);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pdp-buybox .btn-cta-orange:hover {
  background: linear-gradient(180deg, #2774c2 0%, #1a5a9c 45%, #0f3a68 100%);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(18, 67, 118, 0.34);
}

.pdp-buybox .btn-cta-orange:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.pdp-buybox .btn-cta-email {
  background: #fff;
  color: var(--copper-deep);
  border: 1px solid var(--line-strong);
  box-shadow: none;
}

.pdp-buybox .btn-cta-email:hover {
  background: rgba(26, 90, 156, 0.06);
  color: var(--copper-deep);
  border-color: var(--copper);
  box-shadow: none;
  transform: translateY(-1px);
}

.pdp-buybox .cta-mail-icon {
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
}

.pdp-buybox .pdp-trust-row--inspect {
  grid-template-columns: repeat(3, 1fr);
}

.pdp-buybox .pdp-trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  width: 100%;
  margin: 0;
  padding: 0.55rem 0 0;
  border-top: 1px solid var(--line);
}

.pdp-buybox .pdp-trust-row--buybox {
  margin-top: 0.15rem;
}

.pdp-buybox .pdp-trust-row div {
  font-size: 0.7rem;
  line-height: 1.35;
  padding: 0.15rem 0.1rem;
  color: var(--slate);
  text-align: center;
}

/* Critical PDP blocks should not stay invisible from reveal animation */
.pdp-buybox.reveal,
.product-intro.reveal,
[data-pdp-gallery].reveal {
  opacity: 1;
  transform: none;
}

.pdp-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  display: inline-flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.pdp-badge span {
  background: rgba(12, 21, 32, 0.82);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
}

.pdp-thumbs-carousel {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  gap: 0.4rem;
  align-items: center;
  padding: 0.7rem 0.45rem;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.pdp-thumb-nav {
  appearance: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.pdp-thumb-nav:hover:not(:disabled) {
  background: var(--white);
  border-color: var(--ink);
}

.pdp-thumb-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.pdp-thumb-nav:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.pdp-thumbs-track {
  overflow: hidden;
  min-width: 0;
}

.pdp-thumbs {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 0.05rem;
  align-items: center;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.pdp-thumbs::-webkit-scrollbar {
  display: none;
}

.pdp-thumbs button {
  appearance: none;
  border: 2px solid transparent;
  border-radius: 3px;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  background: var(--mist);
  aspect-ratio: 1 / 1;
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  scroll-snap-align: start;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.pdp-thumbs button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pdp-thumbs button:hover {
  transform: translateY(-1px);
}

.pdp-thumbs button.is-active,
.pdp-thumbs button:focus-visible {
  border-color: var(--copper);
  outline: none;
}

.pdp-buybox .eyebrow {
  margin-bottom: 0;
}

.pdp-buybox h2 {
  font-size: clamp(1.45rem, 2.1vw, 1.85rem);
  margin: 0;
  line-height: 1.35;
}

.pdp-rating {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--slate);
  font-size: 0.92rem;
}

.pdp-rating strong {
  color: var(--ink);
  font-family: var(--font-display);
}

.pdp-benefits {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
}

.pdp-benefits li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.pdp-benefits li::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  margin-top: 0.4rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 4px var(--copper-glow);
}

.config-block {
  margin-bottom: 1rem;
}

.config-block label,
.config-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.5rem;
}

.config-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.config-options button {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  min-height: 38px;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.config-options button:hover {
  border-color: var(--ink);
}

.config-options button.is-active {
  background: var(--copper);
  border-color: var(--copper-deep);
  color: #fff;
}

.config-options button:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.qty-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.qty-row input,
.qty-row select {
  min-height: 44px;
}

.rfq-summary {
  background: var(--mist);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.rfq-summary strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.35rem;
}

.rfq-summary p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.pdp-actions {
  display: grid;
  gap: 0.65rem;
}

.pdp-actions .btn {
  width: 100%;
}

.pdp-help {
  margin-top: 0.9rem;
  font-size: 0.9rem;
  color: var(--slate);
}

.pdp-help a {
  font-weight: 600;
}

.pdp-trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.pdp-trust-row div {
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--steel);
  line-height: 1.35;
}

.pdp-tabs,
.pdp-article {
  margin-top: 0;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
}

.tab-nav button {
  appearance: none;
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--slate);
  padding: 0.85rem 1rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.tab-nav button:hover {
  color: var(--ink);
}

.tab-nav button.is-active {
  color: var(--ink);
  border-bottom-color: var(--copper);
}

.tab-nav button:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.tab-panel {
  display: none;
  animation: riseIn 0.35s var(--ease);
}

.tab-panel.is-active {
  display: block;
}

.tab-panel h3 {
  margin-top: 1.5rem;
}

.tab-panel h3:first-child {
  margin-top: 0;
}

.doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.doc-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1.05rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.doc-list strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.15rem;
}

.doc-list span {
  color: var(--slate);
  font-size: 0.9rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.app-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.app-item h4 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
}

.app-item p {
  margin: 0;
  color: var(--slate);
  font-size: 0.94rem;
}

.inquiry-band {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.pdp-mini-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.pdp-mini-form .form-row {
  grid-template-columns: 1fr 1fr;
}

.mobile-pdp-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: rgba(245, 247, 249, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(12, 21, 32, 0.08);
  gap: 0.65rem;
}

.mobile-pdp-bar .btn {
  flex: 1;
  min-height: 46px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 5.5rem;
  transform: translateX(-50%) translateY(12px);
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 120;
  max-width: min(90vw, 360px);
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 980px) {
  .pdp {
    grid-template-columns: 1fr;
  }

  .pdp-gallery {
    max-width: 300px;
    margin-inline: auto;
  }

  .sticky-panel {
    position: static;
  }

  .pdp-trust-row,
  .app-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .pdp-thumbs button {
    width: 64px;
    flex-basis: 64px;
  }

  .qty-row,
  .pdp-mini-form .form-row,
  .pdp-trust-row,
  .app-grid {
    grid-template-columns: 1fr;
  }

  .mobile-pdp-bar {
    display: flex;
  }

  body.has-mobile-pdp-bar {
    padding-bottom: 5.5rem;
  }

  .tab-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    padding-bottom: 0;
  }

  .tab-nav::-webkit-scrollbar {
    display: none;
  }

  .tab-nav button {
    white-space: nowrap;
    scroll-snap-align: start;
    flex: 0 0 auto;
    padding: 0.8rem 0.85rem;
  }
}

/* Floating side actions: WhatsApp / Email / Back to top */
.float-dock {
  position: fixed;
  right: 1.1rem;
  bottom: 1.4rem;
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #fff;
  box-shadow: 0 10px 24px rgba(10, 26, 47, 0.22);
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), opacity 0.2s ease;
}

.float-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(10, 26, 47, 0.28);
  color: #fff;
  text-decoration: none;
}

.float-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  display: block;
}

.float-btn--whatsapp {
  background: #25d366;
}

.float-btn--whatsapp:hover {
  background: #1ebe57;
  color: #fff;
}

.float-btn--email {
  background: var(--copper);
}

.float-btn--email:hover {
  background: var(--copper-deep);
  color: #fff;
}

.float-btn--top {
  background: var(--copper);
  color: #fff;
  border: 2px solid #fff;
  box-shadow: 0 8px 20px rgba(10, 26, 47, 0.28), 0 0 0 1px rgba(26, 90, 156, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

.float-btn--top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.float-btn--top:hover {
  background: var(--copper-deep);
  color: #fff;
  border-color: #fff;
}

@media (max-width: 640px) {
  .float-dock {
    right: 0.85rem;
    bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  body.has-mobile-pdp-bar .float-dock {
    bottom: calc(5.2rem + env(safe-area-inset-bottom));
  }

  /* Email CTA already in buybox / mobile bar — reduce dock clutter */
  body.has-mobile-pdp-bar .float-btn--email {
    display: none;
  }

  .float-btn {
    width: 48px;
    height: 48px;
  }

  body.has-mobile-pdp-bar .toast {
    bottom: 6.75rem;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }

  .site-footer {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
  }

  body.has-mobile-pdp-bar .site-footer {
    padding-bottom: calc(7.25rem + env(safe-area-inset-bottom));
  }

  .breadcrumbs {
    font-size: 0.8rem;
  }
}

/* ——— Enhanced industrial FAQ + FX ——— */
.faq-board {
  max-width: 920px;
}

.faq-list {
  max-width: none;
  counter-reset: none;
}

.faq-list details {
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  background:
    linear-gradient(90deg, rgba(26, 90, 156, 0.04), transparent 40%),
    var(--white);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.faq-list details[open] {
  border-left-color: var(--copper);
  box-shadow: 0 12px 28px rgba(10, 26, 47, 0.08);
}

.faq-list summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.15rem 2.8rem 1.15rem 1.15rem;
}

.faq-index {
  flex: 0 0 auto;
  min-width: 2rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--copper);
  margin-top: 0.2rem;
}

.faq-body {
  overflow: hidden;
}

.faq-list details p {
  padding: 0 1.15rem 1.2rem 3.9rem;
}

.faq-list details[open] summary::after {
  content: "–";
  color: var(--copper-deep);
}

.factory-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(43, 184, 214, 0.45);
  background: rgba(10, 26, 47, 0.35);
  color: #9be7f5;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: riseIn 0.9s var(--ease) both;
}

.factory-status::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  animation: statusPulse 1.8s ease-out infinite;
}

@keyframes statusPulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.hero-scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.hero-scan::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(43, 184, 214, 0.85), transparent);
  box-shadow: 0 0 18px rgba(43, 184, 214, 0.55);
  animation: scanSweep 4.8s linear infinite;
}

.hero-scan::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(43, 184, 214, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 184, 214, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  mix-blend-mode: screen;
}

@keyframes scanSweep {
  0% { top: -2%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 102%; opacity: 0; }
}

.section-dark[data-hud] {
  position: relative;
  overflow: hidden;
}

.section-dark[data-hud]::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--hud-x, 50%) var(--hud-y, 40%), rgba(43, 184, 214, 0.16), transparent 45%);
  pointer-events: none;
  transition: background 0.08s linear;
}

.process-track .process-step {
  transition: background 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.process-track .process-step.is-hot {
  background: linear-gradient(180deg, rgba(26, 90, 156, 0.08), #fff);
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px rgba(26, 90, 156, 0.18);
}

.tile,
.resource-card,
.capability-item,
.industry-card {
  --stagger: 0ms;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease), opacity 0.55s var(--ease);
}

.reveal.stagger-child {
  transition-delay: var(--stagger);
}

.float-btn--whatsapp {
  animation: waPulse 2.4s ease-out infinite;
}

@keyframes waPulse {
  0%, 100% { box-shadow: 0 10px 24px rgba(10, 26, 47, 0.22); }
  50% { box-shadow: 0 10px 24px rgba(10, 26, 47, 0.22), 0 0 0 8px rgba(37, 211, 102, 0.18); }
}

.stat strong span[data-count] {
  font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: reduce) {
  .hero-scan::before,
  .factory-status::before,
  .float-btn--whatsapp {
    animation: none !important;
  }
}

@media (max-width: 640px) {
  .faq-list details p {
    padding-left: 1.15rem;
  }
  .faq-list summary {
    gap: 0.55rem;
  }
}

/* ——— Final PC / mobile polish ——— */
@media (min-width: 1101px) {
  .hero {
    min-height: clamp(400px, 44vh, 500px);
  }

  .nav .menu > .menu-item > a {
    position: relative;
  }

  .nav .menu > .menu-item:not(.nav-cta) > a.current,
  .nav .menu > .current-menu-item:not(.nav-cta) > a::after,
  .nav .menu > .current-menu-ancestor:not(.nav-cta) > a::after,
  .nav .menu > .menu-item:not(.nav-cta):hover > a::after {
    content: "";
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.2rem;
    height: 2px;
    background: var(--copper);
  }
}

@media (max-width: 820px) {
  .hero .chip-row .chip:nth-child(n + 3) {
    display: none;
  }

  .factory-status {
    display: none;
  }

  .hero-brand {
    font-size: 0.82rem;
    margin-bottom: 0.7rem;
    letter-spacing: 0.12em;
  }

  .hero-scan {
    opacity: 0.55;
  }

  .config-options button {
    min-height: 42px;
    font-size: 0.9rem;
  }

  .pdp-buybox {
    padding: 1.1rem 1.15rem;
  }

  .tab-nav {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }
}

@media (max-width: 640px) {
  .proof-strip {
    grid-template-columns: 1fr 1fr;
  }

  .capability-board {
    gap: 0.75rem;
  }

  .tile-body {
    padding: 0.95rem 1rem 1.05rem;
  }

  .contact-card {
    padding: 1.15rem;
  }

  .inquiry-box,
  .cta-band {
    border-radius: var(--radius);
  }

  .mobile-pdp-bar {
    gap: 0.5rem;
  }

  body.has-mobile-pdp-bar .float-dock {
    bottom: calc(5.6rem + env(safe-area-inset-bottom));
  }
}

@media (max-width: 400px) {
  .hero .btn-group {
    flex-direction: column;
  }

  .hero .btn-group .btn {
    width: 100%;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }
}

/* Product cards */
.product-card.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    90deg,
    #b9dff5,
    #5eb4e8,
    #1a5a9c,
    #7ec8e8,
    #b9dff5
  );
  background-size: 300% 100%;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
  transition: opacity 0.25s ease;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(26, 90, 156, 0.14);
  border-color: rgba(94, 180, 232, 0.65);
}

.product-card:hover::before {
  opacity: 1;
  animation: hq-product-border-scroll 1.1s linear infinite;
}

@keyframes hq-product-border-scroll {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 300% 50%;
  }
}

.product-card-meta {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.55rem 0.75rem 0.35rem;
  background: #fff;
}

.product-card-badge {
  display: block;
  max-width: 100%;
  height: 26px;
  line-height: 26px;
  padding: 0 0.65rem;
  border-radius: 999px;
  background: rgba(10, 26, 47, 0.9);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}

.product-card .tile-media,
.product-card .tile-media:not([style*="background-image"]) {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  overflow: hidden;
  background: #fff;
}

.product-card .tile-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  background: #fff;
}

.product-card .tile-body {
  position: relative;
  z-index: 2;
  flex: 1 1 auto;
  min-height: 6.75rem;
  margin: 0;
  background: #fff;
  border-top: 1px solid rgba(10, 26, 47, 0.06);
}

.product-card .tile-body h3 {
  margin: 0;
  height: 2.7em;
  line-height: 1.35;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.product-card .tile-body p {
  display: none;
}

.product-card .tile-link {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding-top: 0.75rem;
  color: var(--copper);
}

.product-card:hover .tile-link {
  color: var(--copper-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.product-card:hover .tile-media {
  filter: none;
}

.product-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.product-quick-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.35rem 0;
}

.product-quick-links a:hover {
  color: var(--copper);
}

.product-quick-links a:last-child {
  color: var(--copper-deep);
  margin-left: auto;
}

@media (max-width: 640px) {
  .product-quick-links a:last-child {
    margin-left: 0;
    width: 100%;
  }
}

.grid-4.product-showcase,
.product-showcase {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.product-showcase .tile-body h3 {
  font-size: 1rem;
}

@media (max-width: 980px) {
  .grid-4.product-showcase,
  .product-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-4.product-showcase,
  .product-showcase {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 981px) {
  .pdp-shell {
    padding: 0;
    background: transparent;
    border: 0;
  }

  .pdp {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: stretch;
    gap: 1.25rem;
  }

  .pdp > [data-pdp-gallery],
  .pdp-gallery {
    width: 300px;
    max-width: 300px;
    height: auto;
  }

  .pdp-main-wrap,
  .pdp-main-wrap img {
    width: 300px !important;
    height: 300px !important;
    max-width: 300px !important;
    max-height: 300px !important;
    aspect-ratio: 1 / 1;
  }

  .pdp-thumbs-carousel {
    padding: 0.7rem 0.45rem;
    grid-template-columns: 36px 1fr 36px;
    gap: 0.4rem;
    min-height: 0;
    flex: none;
    margin-top: 0;
  }

  .pdp-thumb-nav {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }

  .pdp-thumbs {
    min-height: 0;
  }

  .pdp-thumbs button {
    width: 64px;
    height: 64px;
    flex-basis: 64px;
  }

  .pdp-buybox {
    padding: 1.2rem 1.35rem 1.1rem;
    height: auto;
    min-height: 100%;
    gap: 0.85rem;
  }
}

@media (max-width: 980px) {
  .pdp {
    grid-template-columns: 1fr;
    gap: 1.15rem;
    align-items: start;
  }

  .pdp-buybox {
    min-height: 0;
  }

  .pdp > [data-pdp-gallery],
  .pdp-gallery {
    width: min(100%, 300px);
    max-width: 300px;
    margin-inline: auto;
    height: auto;
    min-height: 0;
    align-self: start;
  }

  .pdp-main-wrap {
    flex: 0 0 auto;
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .pdp-main-wrap img {
    width: 100% !important;
    max-width: 300px !important;
    height: auto !important;
    max-height: none !important;
    aspect-ratio: 1 / 1;
  }

  .pdp-thumbs-carousel {
    flex: none;
    min-height: 0;
    padding: 0.75rem 0.45rem;
  }

  .pdp-thumbs {
    min-height: 0;
  }

  .pdp-thumbs button {
    width: 72px;
    height: 72px;
    flex-basis: 72px;
  }

  .pdp-buybox {
    width: 100%;
    min-height: 0;
    height: auto;
    gap: 0.95rem;
  }

  .pdp-buybox .config-pair {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .pdp-buybox .buy-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
  }

  .pdp-buybox .buy-row .qty-row {
    grid-column: 1 / -1;
  }

  .pdp-buybox .buy-row .qty-row label:first-child,
  .pdp-buybox .buy-row .qty-row input {
    width: 100%;
    max-width: none;
  }

  .pdp-buybox .btn-cta-orange {
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    white-space: normal;
    line-height: 1.2;
    padding: 0.55rem 0.65rem;
    text-align: center;
  }

  .pdp-buybox .config-options button {
    min-height: 42px;
  }

  .pdp-gallery {
    margin-bottom: 0.15rem;
  }
}

/* Mid desktop: keep primary nav from crowding */
@media (min-width: 821px) and (max-width: 1100px) {
  .nav {
    gap: 0;
  }

  .nav a {
    padding: 0.5rem 0.48rem;
    font-size: 0.84rem;
  }

  .nav-cta {
    margin-left: 0.25rem;
  }

  .nav-cta .btn {
    min-height: 40px;
    padding: 0.5rem 0.8rem;
    font-size: 0.82rem;
  }

  .logo-img {
    height: 42px;
    max-width: 122px;
  }
}

/* Desktop PDP: keep RFQ panel in view while reading specs */
@media (min-width: 981px) {
  .pdp-buybox {
    position: sticky;
    top: calc(var(--header-h) + 0.85rem);
  }

  .pdp-buybox .btn-cta-orange {
    font-size: 0.84rem;
  }
}

@media (max-width: 420px) {
  .pdp-buybox .buy-row {
    grid-template-columns: 1fr;
  }

  .pdp-buybox .config-label {
    flex-wrap: wrap;
  }

  .mobile-pdp-bar {
    flex-direction: column;
  }

  .mobile-pdp-bar .btn {
    width: 100%;
  }
}

/* Product intro + detail tabs as article modules */
.product-intro-section,
.pdp-article-section {
  padding-top: 0.65rem;
  padding-bottom: 0.35rem;
}

.section.pdp-section {
  padding-top: clamp(1.35rem, 3vw, 2rem);
  padding-bottom: clamp(1.1rem, 2.5vw, 1.6rem);
}

.product-intro,
.pdp-article,
.article-shell {
  max-width: none;
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.1rem, 2vw, 1.55rem);
  box-shadow: none;
  overflow-x: auto;
}

.pdp-article {
  margin-top: 0;
}

.pdp-article .tab-nav {
  margin-top: 0;
}

.article-layout .article-shell {
  max-width: none;
  width: 100%;
  margin: 0;
}

.article-shell p,
.article-shell li {
  line-height: 1.65;
  color: var(--steel);
}

.article-shell h2,
.article-shell h3,
.article-shell h4 {
  color: var(--ink);
  max-width: none;
}

.article-shell h2 {
  margin-top: 1.35rem;
  margin-bottom: 0.5rem;
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
}

.article-shell h3 {
  margin-top: 1.15rem;
  font-size: 1.08rem;
}

.article-shell > *:first-child {
  margin-top: 0;
}

.article-shell img,
.article-shell video,
.article-shell iframe {
  max-width: 100%;
  height: auto;
}

.article-shell figure,
.article-shell .wp-caption {
  max-width: 100%;
  margin: 1.15rem 0;
}

.article-shell .wp-caption-text,
.article-shell figcaption {
  font-size: 0.88rem;
  color: var(--slate);
  margin-top: 0.4rem;
}

.article-shell .alignleft {
  float: left;
  margin: 0.25rem 1.15rem 0.85rem 0;
}

.article-shell .alignright {
  float: right;
  margin: 0.25rem 0 0.85rem 1.15rem;
}

.article-shell .aligncenter {
  display: block;
  margin: 1rem auto;
}

.article-shell table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.25rem;
  font-size: 0.95rem;
}

.article-shell table th,
.article-shell table td {
  border: 1px solid #d7dde5;
  padding: 0.65rem 0.8rem;
  vertical-align: top;
  text-align: left;
}

.article-shell table th {
  background: #f3f5f7;
}

@media (max-width: 640px) {
  .article-shell .alignleft,
  .article-shell .alignright {
    float: none;
    display: block;
    margin: 0.75rem auto;
  }
}

.article-faq {
  margin-top: 1.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.article-faq .eyebrow {
  margin-bottom: 0.35rem;
}

.article-faq h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

.article-layout--solo {
  grid-template-columns: minmax(0, 1fr);
}

.product-intro .eyebrow {
  margin-bottom: 0.4rem;
}

.product-intro h2 {
  font-size: clamp(1.35rem, 2.3vw, 1.75rem);
  margin-bottom: 0.75rem;
  max-width: 36ch;
  line-height: 1.3;
}

.product-intro-copy {
  max-width: none;
  width: 100%;
  color: var(--steel);
  display: block;
}

.product-intro-copy > *:first-child {
  margin-top: 0;
}

.product-intro-copy p {
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0 0 0.95rem;
  max-width: none;
}

.product-intro-copy h2 {
  color: var(--ink);
  font-size: clamp(1.2rem, 1.7vw, 1.4rem);
  line-height: 1.3;
  margin: 1.65rem 0 0.7rem;
  max-width: none;
}

.product-intro-copy h2:first-child {
  margin-top: 0;
}

.product-intro-copy ul,
.product-intro-copy ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.product-intro-copy li {
  margin: 0 0 0.4rem;
  line-height: 1.65;
}

.product-intro-copy strong {
  color: var(--ink);
}

/* Keep Gutenberg block content inside theme article shells. */
.article-shell .wp-block,
.product-intro-copy .wp-block,
.product-article .wp-block {
  max-width: 100%;
}

.article-shell .alignwide,
.article-shell .alignfull,
.product-intro-copy .alignwide,
.product-intro-copy .alignfull,
.product-article .alignwide,
.product-article .alignfull {
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
}

.product-intro-copy img,
.product-intro-copy .aligncenter,
.product-intro-copy figure.aligncenter,
.product-intro-copy .wp-block-image,
.product-article img,
.product-article .aligncenter,
.product-article figure.aligncenter,
.product-article .wp-block-image,
.article-shell img,
.article-shell .wp-block-image,
.article-shell figure.wp-block-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}

.product-intro-copy figure,
.product-article figure,
.article-shell figure {
  margin: 1rem auto;
  text-align: center;
}

.product-intro-copy figcaption,
.product-article figcaption,
.article-shell figcaption {
  margin-top: 0.45rem;
  font-size: 0.9rem;
  color: var(--steel);
  text-align: center;
}

/* Product category filter */
.product-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.product-filter-tabs button,
.product-filter-tabs a {
  appearance: none;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  min-height: 40px;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.product-filter-tabs button.is-active,
.product-filter-tabs a.is-active,
.product-filter-tabs a[aria-current="page"] {
  background: var(--copper-deep);
  border-color: var(--copper-deep);
  color: #fff;
}

.product-filter-tabs a:hover {
  border-color: var(--copper-deep);
  color: var(--copper-deep);
}

.product-filter-tabs a.is-active:hover,
.product-filter-tabs a[aria-current="page"]:hover {
  color: #fff;
}

[data-product-filter] .product-showcase .product-card:not(.is-cat-active) {
  display: none;
}

@media (max-width: 768px) {
  .product-filter-tabs {
    flex-wrap: nowrap;
    position: sticky;
    top: calc(var(--header-h) + var(--admin-bar-h));
    z-index: 40;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0.55rem 0 0.75rem;
    margin: 0 -0.15rem 0.35rem;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    background: linear-gradient(180deg, var(--paper) 70%, rgba(243, 246, 250, 0.92));
  }

  .product-filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .product-filter-tabs button,
  .product-filter-tabs a {
    scroll-snap-align: start;
  }

  [data-product-filter] .product-showcase {
    grid-template-columns: 1fr;
  }

  [data-product-filter] .product-showcase .product-card.is-cat-active {
    display: flex;
    flex-direction: column;
    opacity: 1 !important;
    transform: none !important;
  }

  [data-product-filter] ~ .product-quick-links,
  [data-product-filter] + .product-quick-links,
  [data-product-filter] ~ .chip-row,
  [data-product-filter] + .chip-row {
    display: none;
  }
}