:root {
  --ink: #14232d;
  --muted: #5f6f78;
  --line: #d8e0e4;
  --paper: #ffffff;
  --wash: #f3f6f7;
  --steel: #e6edf0;
  --navy: #063b63;
  --navy-dark: #082d49;
  --cyan: #069fc1;
  --teal: #087f92;
  --amber: #c78122;
  --shadow: 0 18px 42px rgba(8, 45, 73, 0.12);
  --radius: 6px;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 30;
  padding: 10px 14px;
  border-radius: 4px;
  color: #fff;
  background: var(--navy);
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.top-strip {
  color: rgba(255, 255, 255, 0.86);
  background: var(--navy-dark);
  font-size: 0.78rem;
  font-weight: 700;
}

.top-strip-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
}

.brand img {
  width: 88px;
  height: 38px;
  object-fit: contain;
}

.brand-text {
  display: grid;
  gap: 1px;
}

.brand-text strong {
  color: var(--navy-dark);
  font-size: 1rem;
  line-height: 1.1;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 4px;
  color: #263842;
  font-size: 0.9rem;
  font-weight: 800;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--navy);
  background: var(--wash);
}

.site-nav .nav-cta {
  margin-left: 8px;
  color: #fff;
  background: var(--navy);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: #fff;
  background: var(--cyan);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  padding: 9px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  padding: clamp(42px, 6vw, 76px) 0 58px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.9) 43%, rgba(255, 255, 255, 0.58) 100%),
    url("assets/chemical-banner-bg.png") center right / cover no-repeat,
    linear-gradient(135deg, #f3f6f7 0%, #fff 54%, #e7eff2 100%);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 8px;
  background: linear-gradient(90deg, var(--navy), var(--cyan), var(--amber));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.2rem, 4.8vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.hero-copy p:not(.eyebrow) {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.14rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: var(--navy);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--cyan);
}

.btn-secondary {
  color: var(--navy);
  border-color: #b8c7cf;
  background: #fff;
}

.btn-wide {
  width: 100%;
}

.hero-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 36px rgba(8, 45, 73, 0.1);
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 1.28 / 1;
  padding: clamp(18px, 3.4vw, 36px);
  object-fit: contain;
  background: #fff;
}

.hero-slides {
  display: grid;
}

.hero-slide {
  grid-area: 1 / 1;
  min-width: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 360ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.hero-slide > a {
  display: block;
}

.hero-note {
  display: grid;
  gap: 4px;
  min-height: 88px;
  padding: 16px;
  border-top: 4px solid var(--cyan);
  color: #fff;
  background: var(--navy);
}

.hero-note strong {
  font-size: 0.92rem;
}

.hero-note span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.carousel-arrow {
  position: absolute;
  top: 42%;
  z-index: 3;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(6, 59, 99, 0.18);
  border-radius: 50%;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 20px rgba(8, 45, 73, 0.16);
  cursor: pointer;
}

.carousel-arrow:hover,
.carousel-arrow:focus-visible {
  color: #fff;
  background: var(--navy);
}

.carousel-prev {
  left: 14px;
}

.carousel-next {
  right: 14px;
}

.carousel-dots {
  position: absolute;
  right: 16px;
  bottom: 70px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.carousel-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
}

.carousel-dots button.is-active {
  background: #fff;
  box-shadow: 0 0 0 3px rgba(6, 159, 193, 0.42);
}

.program-bar {
  background: var(--navy-dark);
}

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

.program-grid a {
  min-height: 118px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 24px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  transition: background 160ms ease;
}

.program-grid a:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.program-grid span {
  color: var(--cyan);
  font-weight: 800;
  font-size: 0.86rem;
}

.program-grid strong {
  font-size: 1.08rem;
}

.program-grid small {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.86rem;
}

.program-grid a:hover,
.program-grid a:focus-visible {
  background: rgba(255, 255, 255, 0.06);
}

.section {
  padding: 76px 0;
}

section[id] {
  scroll-margin-top: 126px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-heading.compact {
  align-items: start;
}

.section-heading h2,
.service h2,
.quality h2,
.rfq h2,
.contact h2 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.section-intro {
  max-width: 930px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.02rem;
}

.segmented-control {
  display: inline-grid;
  grid-template-columns: repeat(5, minmax(96px, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.segment {
  min-height: 40px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.segment.active {
  color: #fff;
  background: var(--navy);
}

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

.custom-order-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.custom-order-note strong {
  color: var(--navy);
  font-size: 1.12rem;
}

.custom-order-note p {
  margin: 6px 0 0;
  color: var(--muted);
}

.custom-order-section {
  padding: 0 0 72px;
}

.product-card {
  display: grid;
  grid-template-rows: 184px auto;
  min-height: 492px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.product-card img {
  width: 100%;
  height: 184px;
  padding: 16px;
  object-fit: contain;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.product-image-link {
  display: block;
  background: #fff;
}

.product-body {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.product-card:hover {
  border-color: #b7c7cf;
  box-shadow: 0 12px 28px rgba(8, 45, 73, 0.08);
  transform: translateY(-1px);
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.22;
}

.product-card h3 a:hover,
.product-card h3 a:focus-visible {
  color: var(--navy);
}

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

.product-spec-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
}

.product-spec-list div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  align-items: baseline;
}

.product-spec-list dt {
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-spec-list dd {
  margin: 0;
  color: #33434b;
  font-size: 0.92rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list li {
  padding: 4px 7px;
  border-radius: 4px;
  background: #e7f6f8;
  color: var(--navy);
  font-size: 0.76rem;
  font-weight: 800;
}

.mini-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  align-self: end;
  border: 1px solid #b8c7cf;
  border-radius: var(--radius);
  color: var(--navy);
  font-weight: 800;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.mini-link:hover,
.mini-link:focus-visible {
  color: #fff;
  border-color: var(--navy);
  background: var(--navy);
}

.parameters {
  background: var(--wash);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.parameter-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

.parameter-table th,
.parameter-table td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.parameter-table th {
  color: #fff;
  background: var(--navy);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.parameter-table td {
  color: #36464f;
  font-size: 0.95rem;
}

.parameter-table tbody tr:nth-child(even) {
  background: #f8fafb;
}

.service-grid,
.quality-grid,
.rfq-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.service-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.service-steps li {
  min-height: 196px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.service-steps span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--cyan);
  font-weight: 800;
}

.service-steps h3,
.faq-item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.service-steps p,
.quality-copy p,
.rfq-copy p,
.faq-item p {
  margin: 0;
  color: var(--muted);
}

.quality {
  background: var(--steel);
}

.quality-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.quality-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: clamp(18px, 4vw, 42px);
  object-fit: contain;
  background: #fff;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.48em;
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--cyan);
  border-bottom: 3px solid var(--cyan);
  transform: rotate(-45deg);
}

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

.faq-item {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
}

.rfq {
  color: #fff;
  background: var(--navy-dark);
}

.rfq .section-kicker {
  color: #ffbf72;
}

.rfq-copy p {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 18px;
}

.contact-cards {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.contact-cards a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.contact-cards span {
  color: rgba(255, 255, 255, 0.72);
  text-align: right;
}

.rfq-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  gap: 16px;
}

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

label {
  display: grid;
  gap: 7px;
  color: #33434b;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--ink);
  background: #fff;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(6, 159, 193, 0.18);
  border-color: var(--cyan);
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--teal);
  font-weight: 800;
}

.form-destination {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.floating-contact {
  position: fixed;
  right: 18px;
  bottom: 96px;
  z-index: 28;
}

.floating-contact-toggle {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: #128c7e;
  box-shadow: 0 12px 28px rgba(8, 45, 73, 0.28);
  cursor: pointer;
}

.floating-contact-toggle span {
  font-size: 0.78rem;
  font-weight: 900;
}

.floating-contact-toggle:hover,
.floating-contact-toggle:focus-visible,
.floating-contact.is-open .floating-contact-toggle {
  background: var(--navy);
}

.floating-contact-panel {
  position: absolute;
  right: 62px;
  bottom: 0;
  width: min(430px, calc(100vw - 96px));
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  box-shadow: 0 22px 54px rgba(8, 45, 73, 0.24);
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.floating-contact:hover .floating-contact-panel,
.floating-contact:focus-within .floating-contact-panel,
.floating-contact.is-open .floating-contact-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.floating-contact-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.floating-contact-head strong {
  display: block;
  color: var(--navy);
  font-size: 1rem;
}

.floating-contact-head span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
}

.floating-contact-close {
  display: grid;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--navy);
  background: #fff;
  cursor: pointer;
}

.floating-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.floating-qr-card {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
}

.floating-qr-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #fff;
}

.floating-qr-card figcaption {
  margin-top: 8px;
  color: var(--navy);
  font-size: 0.84rem;
  font-weight: 800;
  text-align: center;
}

.floating-whatsapp-action {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: #fff;
  background: #128c7e;
  font-weight: 800;
}

.floating-whatsapp-action:hover,
.floating-whatsapp-action:focus-visible {
  background: #0b7166;
}

.contact {
  background: #fff;
}

.contact-list {
  display: grid;
  gap: 10px;
}

.contact-list p {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  margin: 0;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list strong {
  color: var(--navy);
}

.contact-list span {
  color: var(--muted);
}

.contact-list a {
  color: inherit;
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--teal);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

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

.product-detail-hero {
  padding: clamp(42px, 6vw, 76px) 0 64px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.9) 43%, rgba(255, 255, 255, 0.6) 100%),
    url("assets/chemical-banner-bg.png") center right / cover no-repeat,
    linear-gradient(135deg, #fff 0%, #f5f8f9 100%);
  border-bottom: 1px solid var(--line);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}

.detail-copy h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2.15rem, 4.8vw, 4.15rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.detail-copy p {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.detail-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 36px rgba(8, 45, 73, 0.1);
  overflow: hidden;
}

.detail-media img {
  width: 100%;
  aspect-ratio: 1.32 / 1;
  padding: clamp(18px, 3.4vw, 38px);
  object-fit: contain;
  background: #fff;
}

.detail-meta-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 4px solid var(--cyan);
  color: #fff;
  background: var(--navy);
}

.detail-meta-strip div {
  padding: 14px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.detail-meta-strip div:last-child {
  border-right: 0;
}

.detail-meta-strip dt {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.detail-meta-strip dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.detail-section {
  padding: 72px 0;
}

.detail-section.alt {
  background: var(--wash);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.detail-section h2 {
  margin: 0;
  font-size: clamp(1.72rem, 3.6vw, 2.7rem);
  line-height: 1.1;
}

.detail-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
}

.detail-table th,
.detail-table td {
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.detail-table th {
  width: 34%;
  color: var(--navy);
  background: #f8fafb;
  font-size: 0.82rem;
  text-transform: uppercase;
}

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

.detail-list-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.detail-list-card {
  min-height: 160px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.detail-list-card h3 {
  margin: 0 0 10px;
  font-size: 1.04rem;
}

.detail-list-card ul {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
  color: var(--muted);
  list-style: none;
}

.detail-list-card li {
  position: relative;
  padding-left: 18px;
}

.detail-list-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.peek-range-section,
.pvdf-range-section,
.pfa-range-section,
.ptfe-range-section,
.ptfe-tube-range-section {
  background: var(--wash);
}

.peek-range-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
  align-items: stretch;
}

.peek-range-media {
  min-height: 380px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.peek-range-media img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: contain;
  background: #fff;
}

.peek-range-grid {
  display: grid;
  gap: 12px;
}

.peek-range-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.peek-range-item > span {
  color: var(--cyan-dark);
  font-size: 0.76rem;
  font-weight: 800;
}

.peek-range-item h3 {
  margin: 6px 0 8px;
  font-size: 1.12rem;
}

.peek-range-item p,
.range-reference-note {
  color: var(--muted);
}

.peek-range-item p {
  margin: 0;
}

.range-reference-note {
  margin: 18px 0 0;
  font-size: 0.92rem;
}

.related-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.related-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.related-card:hover,
.related-card:focus-visible {
  border-color: #b7c7cf;
  box-shadow: 0 12px 28px rgba(8, 45, 73, 0.08);
  transform: translateY(-1px);
}

.related-card img {
  width: 96px;
  height: 74px;
  object-fit: contain;
}

.related-card strong {
  display: block;
  color: var(--ink);
}

.related-card span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.86rem;
}

.page-hero {
  padding: clamp(48px, 7vw, 86px) 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 42%, rgba(255, 255, 255, 0.62) 100%),
    url("assets/chemical-banner-bg.png") center right / cover no-repeat,
    linear-gradient(135deg, #f5f8f9 0%, #ffffff 58%, #e6eff2 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
}

.page-hero h1 {
  margin: 0;
  color: var(--navy-dark);
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.02;
}

.page-hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.page-hero-media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.page-hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f4f7f8;
}

.page-section {
  padding: clamp(58px, 7vw, 92px) 0;
}

.page-section.alt {
  background: var(--wash);
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: start;
}

.page-copy h2,
.page-section h2 {
  margin: 0 0 16px;
  color: var(--navy-dark);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.12;
}

.page-copy p,
.page-section p {
  color: var(--muted);
}

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

.info-card {
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.info-card h3 {
  margin: 0 0 10px;
  color: var(--navy-dark);
}

.info-card p {
  margin: 0;
}

.step-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.step-list span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--navy);
  border-radius: 50%;
  font-weight: 800;
}

.step-list h3 {
  margin: 0 0 6px;
  color: var(--navy-dark);
}

.step-list p {
  margin: 0;
}

.policy-content {
  max-width: 860px;
}

.policy-content h2 {
  margin-top: 34px;
  margin-bottom: 10px;
}

.policy-content h2:first-child {
  margin-top: 0;
}

.policy-content p,
.policy-content li {
  color: var(--muted);
}

.policy-content ul {
  padding-left: 20px;
}

.cta-band {
  padding: 28px;
  color: #fff;
  background: var(--navy-dark);
  border-radius: var(--radius);
}

.cta-band h2,
.cta-band p {
  color: #fff;
}

.cta-band p {
  opacity: 0.78;
}

.cta-band .hero-actions {
  margin-top: 20px;
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #061e31;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
}

.footer-inner a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 1040px) {
  .top-strip {
    display: none;
  }

  .site-nav {
    position: fixed;
    inset: 76px 0 auto 0;
    display: none;
    grid-template-columns: 1fr;
    padding: 18px 20px 24px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow);
  }

  body.nav-open .site-nav {
    display: grid;
  }

  .site-nav .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .nav-toggle {
    display: block;
  }

  .hero-grid,
  .detail-grid,
  .page-hero-grid,
  .page-grid,
  .service-grid,
  .detail-layout,
  .peek-range-layout,
  .quality-grid,
  .rfq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 34px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .program-grid,
  .product-grid,
  .info-grid,
  .related-products,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 28px, 360px);
  }

  .container {
    margin-left: 14px;
    margin-right: auto;
  }

  .header-inner {
    min-height: 76px;
    gap: 12px;
  }

  .brand {
    min-width: 0;
    gap: 8px;
  }

  .brand img {
    width: 72px;
    height: 32px;
  }

  .brand-text strong {
    font-size: 0.9rem;
  }

  .brand-text small {
    font-size: 0.68rem;
  }

  .site-nav {
    inset: 76px 0 auto 0;
  }

  .section {
    padding: 62px 0;
  }

  section[id] {
    scroll-margin-top: 86px;
  }

  .hero {
    padding: 44px 0 58px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 8vw, 2.35rem);
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  .carousel-arrow {
    top: 38%;
    width: 38px;
    height: 38px;
  }

  .carousel-prev {
    left: 8px;
  }

  .carousel-next {
    right: 8px;
  }

  .carousel-dots {
    right: 12px;
    bottom: 76px;
  }

  .floating-contact {
    right: 14px;
    bottom: 18px;
  }

  .floating-contact-panel {
    position: fixed;
    right: 14px;
    bottom: 80px;
    width: calc(100vw - 28px);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }

  .detail-copy h1 {
    font-size: clamp(1.9rem, 8vw, 2.35rem);
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  .detail-actions {
    display: grid;
  }

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

  .detail-meta-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .detail-meta-strip div:last-child {
    border-bottom: 0;
  }

  .detail-section {
    padding: 58px 0;
  }

  .custom-order-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .custom-order-note .btn {
    width: 100%;
  }

  .peek-range-media,
  .peek-range-media img {
    min-height: 260px;
  }

  .detail-table th,
  .detail-table td {
    display: block;
    width: 100%;
  }

  .related-card {
    grid-template-columns: 82px 1fr;
  }

  .related-card img {
    width: 82px;
    height: 64px;
  }

  .hero-actions,
  .detail-actions,
  .program-grid,
  .product-grid,
  .info-grid,
  .service-steps,
  .step-list li,
  .detail-list-grid,
  .related-products,
  .faq-grid,
  .form-row.two {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .program-grid a,
  .program-grid a:first-child {
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .section-heading h2,
  .page-hero h1,
  .page-section h2,
  .service h2,
  .quality h2,
  .rfq h2,
  .contact h2 {
    font-size: clamp(1.42rem, 7vw, 1.75rem);
    line-height: 1.12;
    overflow-wrap: anywhere;
  }

  .segmented-control {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card {
    min-height: auto;
  }

  .product-spec-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .contact-cards a,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-cards span {
    text-align: left;
  }

  .contact-list p {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner a {
    margin: 0 14px 0 0;
  }
}