:root {
  --ink: #071521;
  --ink-2: #0d2132;
  --ink-soft: #3d4d5d;
  --paper: #f2f5f8;
  --white: #ffffff;
  --line: #d9e1e8;
  --steel: #748697;
  --blue: #246bfd;
  --blue-dark: #1249bc;
  --blue-light: #74b5ff;
  --cyan: #3bd4e8;
  --orange: #ff7548;
  --orange-soft: #fff0e9;
  --green: #0d966d;
  --shadow: 0 18px 60px rgba(8, 29, 46, 0.1);
  --shadow-lg: 0 32px 90px rgba(5, 24, 39, 0.16);
  --radius: 24px;
  --container: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(36, 107, 253, 0.055), transparent 28rem),
    radial-gradient(circle at 92% 34%, rgba(59, 212, 232, 0.045), transparent 30rem),
    #f8fafc;
  font-family: Inter, "HarmonyOS Sans SC", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

button,
.button {
  cursor: pointer;
}

::selection {
  color: var(--white);
  background: var(--blue);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-150%);
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 40px), 820px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 225, 229, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border-radius: 11px 2px 11px 2px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -1px;
}

.brand-text {
  display: grid;
  line-height: 1.08;
}

.brand-text strong {
  font-size: 17px;
  letter-spacing: 0.06em;
}

.brand-text small {
  margin-top: 5px;
  color: var(--steel);
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

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

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 10px;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-open .nav-toggle span {
  opacity: 0;
}

.nav-open .nav-toggle::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-open .nav-toggle::after {
  transform: translateY(-6px) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 10px 2px 10px 2px;
  font-size: 14px;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 10px 24px rgba(21, 94, 239, 0.2);
}

.button-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 13px 30px rgba(21, 94, 239, 0.28);
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-ghost {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
}

.button-small {
  min-height: 42px;
  padding-inline: 16px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 82px;
  background:
    linear-gradient(90deg, rgba(16, 24, 32, 0.96) 0%, rgba(16, 24, 32, 0.88) 42%, rgba(16, 24, 32, 0.16) 70%),
    url("images/hero-washers.webp") center / cover no-repeat;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 5px;
  background: linear-gradient(90deg, var(--orange) 0 18%, var(--blue) 18% 48%, transparent 48%);
  content: "";
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 690px;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 2px;
  background: currentColor;
  content: "";
}

.hero .eyebrow {
  color: #80aaff;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 1.07;
  letter-spacing: -0.045em;
}

.hero .lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.83);
  font-size: clamp(17px, 2vw, 21px);
}

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

.hero .button-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-facts {
  display: grid;
  max-width: 760px;
  margin: 54px 0 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-fact {
  padding: 20px 24px 0 0;
}

.hero-fact strong {
  display: block;
  font-size: 25px;
}

.hero-fact span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.page-hero {
  padding: 72px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 18%, rgba(21, 94, 239, 0.34), transparent 30%),
    var(--ink);
}

.page-hero h1 {
  max-width: 800px;
  font-size: clamp(38px, 5vw, 62px);
}

.page-hero .lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 19px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

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

.section {
  padding: 92px 0;
}

.section-compact {
  padding: 64px 0;
}

.section-muted {
  background: var(--paper);
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.section-heading {
  display: grid;
  margin-bottom: 42px;
  gap: 12px;
}

.section-heading.split {
  align-items: end;
  grid-template-columns: 1fr 0.75fr;
}

.section-heading h2 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(31px, 4vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.section-heading p {
  max-width: 680px;
  margin: 0;
  color: var(--ink-soft);
}

.section-dark .section-heading p {
  color: rgba(255, 255, 255, 0.65);
}

.answer-box {
  display: grid;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: 3px var(--radius) var(--radius) 3px;
  box-shadow: var(--shadow);
  gap: 12px;
}

.answer-box strong {
  color: var(--blue);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.answer-box p {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
}

.cards {
  display: grid;
  gap: 22px;
}

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

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

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

.card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 180ms ease, box-shadow 180ms ease, border 180ms ease;
}

a.card:hover {
  border-color: rgba(21, 94, 239, 0.25);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.card-number {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  place-items: center;
  color: var(--blue);
  background: #eaf0ff;
  border-radius: 10px 2px 10px 2px;
  font-size: 13px;
  font-weight: 850;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
}

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

.card-link {
  display: inline-flex;
  margin-top: 20px;
  align-items: center;
  color: var(--blue);
  font-size: 14px;
  font-weight: 750;
}

.card-link::after {
  margin-left: 7px;
  content: "→";
}

.feature {
  display: grid;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 28px;
  grid-template-columns: 1.03fr 0.97fr;
}

.feature-media {
  min-height: 480px;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-content {
  display: flex;
  align-items: center;
  padding: 56px;
}

.feature-content h2 {
  margin: 0 0 18px;
  font-size: clamp(31px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.feature-content p {
  color: var(--ink-soft);
}

.check-list,
.plain-list {
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 9px 0 9px 30px;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  position: absolute;
  top: 10px;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.plain-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.stat-strip {
  display: grid;
  padding: 0;
  margin: 0;
  list-style: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-strip li {
  padding: 32px 28px;
  border-right: 1px solid var(--line);
}

.stat-strip li:last-child {
  border-right: 0;
}

.stat-strip strong {
  display: block;
  color: var(--blue);
  font-size: 30px;
  line-height: 1.1;
}

.stat-strip span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.proof-grid {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.17);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof-item {
  min-height: 240px;
  padding: 34px;
  background: var(--ink);
}

.proof-item small {
  color: #80aaff;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.proof-item h3 {
  margin: 26px 0 10px;
  font-size: 21px;
}

.proof-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.media-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.media-grid figure {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  margin: 0;
  background: var(--paper);
  border-radius: 18px;
}

.media-grid figure:first-child {
  grid-row: span 2;
}

.media-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 350ms ease;
}

.media-grid figure:hover img {
  transform: scale(1.03);
}

.media-grid figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  padding: 10px 13px;
  color: var(--white);
  background: rgba(16, 24, 32, 0.78);
  border-radius: 8px;
  font-size: 13px;
  backdrop-filter: blur(8px);
}

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

.application {
  min-height: 220px;
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(21, 94, 239, 0.08), transparent 55%),
    var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.application strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.application p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.tag-list li {
  padding: 6px 10px;
  color: var(--blue-dark);
  background: #eaf0ff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.content-layout {
  display: grid;
  align-items: start;
  gap: 56px;
  grid-template-columns: minmax(0, 1fr) 280px;
}

.prose {
  color: var(--ink-soft);
}

.prose h2,
.prose h3 {
  color: var(--ink);
  line-height: 1.25;
  scroll-margin-top: 110px;
}

.prose h2 {
  margin: 58px 0 18px;
  font-size: 34px;
  letter-spacing: -0.025em;
}

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

.prose h3 {
  margin: 34px 0 12px;
  font-size: 22px;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 18px;
}

.prose a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose blockquote {
  padding: 22px 26px;
  margin: 28px 0;
  color: var(--ink);
  background: var(--orange-soft);
  border-left: 4px solid var(--orange);
  border-radius: 0 14px 14px 0;
}

.prose .answer-box {
  margin: 0 0 42px;
}

.toc {
  position: sticky;
  top: 104px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.toc strong {
  display: block;
  margin-bottom: 12px;
}

.toc a {
  display: block;
  padding: 8px 0;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.toc a:hover {
  color: var(--blue);
}

.table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 14px;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  color: var(--white);
  background: var(--ink);
  font-size: 12px;
  letter-spacing: 0.06em;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover td {
  background: #f7f9ff;
}

.table-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
}

.table-tools input {
  width: min(100%, 360px);
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  outline: none;
}

.table-tools input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.1);
}

.notice {
  padding: 20px 22px;
  margin: 26px 0;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 14px;
}

.notice strong {
  color: var(--ink);
}

.evidence {
  display: grid;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  gap: 10px;
}

.evidence-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.evidence-label {
  padding: 4px 9px;
  color: var(--green);
  background: #e7f7f1;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.evidence h3 {
  margin: 0;
  font-size: 18px;
}

.evidence p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.faq-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 24px 46px 24px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 750;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 22px;
  right: 4px;
  color: var(--blue);
  content: "+";
  font-size: 25px;
  font-weight: 400;
}

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

.faq-list details p {
  max-width: 820px;
  padding: 0 0 24px;
  margin: 0;
  color: var(--ink-soft);
}

.download {
  display: grid;
  align-items: center;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  gap: 20px;
  grid-template-columns: 50px 1fr auto;
}

.download-icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  color: var(--white);
  background: var(--orange);
  border-radius: 12px 3px 12px 3px;
  font-size: 12px;
  font-weight: 900;
}

.download h3 {
  margin: 0;
  font-size: 17px;
}

.download p {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.contact-grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 0.82fr 1.18fr;
}

.contact-panel {
  padding: 34px;
  color: var(--white);
  background: var(--ink);
  border-radius: 22px;
}

.contact-panel h2 {
  margin-top: 0;
  font-size: 32px;
}

.contact-item {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.contact-item small {
  display: block;
  color: rgba(255, 255, 255, 0.55);
}

.contact-item a {
  display: inline-block;
  margin-top: 4px;
  font-size: 19px;
  font-weight: 750;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  font-size: 13px;
  font-weight: 750;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 9px;
  outline: none;
}

.field input,
.field select {
  min-height: 49px;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.1);
}

.form-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.cta {
  position: relative;
  overflow: hidden;
  padding: 58px;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 50%, rgba(21, 94, 239, 0.7), transparent 28%),
    var(--ink);
  border-radius: 26px;
}

.cta::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: var(--orange);
  content: "";
}

.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.cta h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
}

.cta p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
}

.site-footer {
  padding: 70px 0 24px;
  color: rgba(255, 255, 255, 0.68);
  background: #0b1117;
}

.footer-grid {
  display: grid;
  gap: 50px;
  grid-template-columns: 1.25fr 0.75fr 0.75fr 1fr;
}

.footer-brand .brand-text strong {
  color: var(--white);
}

.footer-brand p {
  max-width: 330px;
  margin: 20px 0 0;
  font-size: 14px;
}

.footer-column strong {
  display: block;
  margin-bottom: 15px;
  color: var(--white);
  font-size: 14px;
}

.footer-column a,
.footer-column span {
  display: block;
  padding: 5px 0;
  font-size: 13px;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
}

.source-note {
  display: flex;
  align-items: center;
  gap: 8px;
}

.source-note::before {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  content: "";
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1040px) {
  .site-nav {
    position: fixed;
    z-index: 90;
    top: 77px;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    align-content: start;
    padding: 24px 28px;
    background: var(--white);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-15px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
  }

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

  .nav-toggle {
    display: block;
  }

  .header-actions .button {
    display: none;
  }

  .cards-4,
  .application-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading.split,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1.2fr repeat(2, 0.8fr);
  }

  .footer-column:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  .container,
  .narrow {
    width: min(calc(100% - 28px), var(--container));
  }

  .header-inner {
    min-height: 68px;
  }

  .site-nav {
    top: 69px;
  }

  .brand-text small {
    display: none;
  }

  .hero {
    padding: 58px 0 62px;
    background:
      linear-gradient(90deg, rgba(16, 24, 32, 0.98), rgba(16, 24, 32, 0.78)),
      url("images/hero-washers.webp") center / cover no-repeat;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 40px;
  }

  .hero-facts {
    margin-top: 38px;
    grid-template-columns: 1fr;
  }

  .hero-fact {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .section {
    padding: 68px 0;
  }

  .section-compact {
    padding: 50px 0;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .cards-2,
  .cards-3,
  .cards-4,
  .feature,
  .contact-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .feature-media {
    min-height: 320px;
  }

  .feature-content {
    padding: 34px 26px;
  }

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

  .stat-strip li {
    border-bottom: 1px solid var(--line);
  }

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

  .media-grid figure:first-child {
    grid-row: auto;
  }

  .media-grid figure {
    min-height: 260px;
  }

  .table-tools {
    align-items: stretch;
    flex-direction: column;
  }

  .download {
    grid-template-columns: 46px 1fr;
  }

  .download .button {
    grid-column: 1 / -1;
  }

  .cta {
    padding: 40px 28px;
  }

  .cta-inner,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .footer-brand,
  .footer-column:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .hero-actions .button,
  .cta .button {
    width: 100%;
  }

  .application-grid,
  .proof-grid,
  .stat-strip,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .proof-item {
    min-height: 0;
  }

  .footer-column,
  .footer-brand,
  .footer-column:last-child {
    grid-column: auto;
  }
}

/* 2026 visual refresh: precision industrial system */

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(7, 21, 33, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 21, 33, 0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

h1,
h2,
h3,
strong {
  text-wrap: balance;
}

.container {
  width: min(calc(100% - 48px), var(--container));
}

.narrow {
  width: min(calc(100% - 48px), 860px);
}

.site-header {
  background: rgba(248, 250, 252, 0.87);
  border-bottom-color: rgba(145, 164, 181, 0.22);
  box-shadow: 0 8px 32px rgba(5, 24, 39, 0.055);
  backdrop-filter: blur(22px) saturate(145%);
}

.site-header::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--blue) 36%, var(--cyan) 72%, transparent);
  content: "";
}

.header-inner {
  min-height: 82px;
}

.brand {
  gap: 13px;
}

.brand-mark {
  position: relative;
  overflow: hidden;
  width: 46px;
  height: 46px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), transparent 45%),
    linear-gradient(145deg, #132c40, #06121c);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px 4px 14px 4px;
  box-shadow: 0 10px 24px rgba(7, 21, 33, 0.2);
  font-size: 17px;
}

.brand-mark::after {
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 32px;
  height: 32px;
  background: var(--blue);
  border-radius: 50%;
  content: "";
  filter: blur(12px);
  opacity: 0.58;
}

.brand-text strong {
  font-size: 18px;
  font-weight: 850;
  letter-spacing: 0.045em;
}

.brand-text small {
  color: #6e8193;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.site-nav {
  gap: 28px;
}

.site-nav a {
  color: #405263;
  font-weight: 720;
}

.site-nav a::after {
  bottom: -13px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
  border-radius: 999px;
}

.button {
  min-height: 50px;
  padding-inline: 22px;
  border-radius: 13px 4px 13px 4px;
  font-weight: 800;
  letter-spacing: 0.015em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button-primary {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #2d75ff, #1557db);
  box-shadow: 0 13px 30px rgba(36, 107, 253, 0.26);
}

.button-primary::before {
  position: absolute;
  top: -100%;
  left: -35%;
  width: 30%;
  height: 300%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  content: "";
  transform: rotate(22deg);
  transition: left 420ms ease;
}

.button-primary:hover::before {
  left: 120%;
}

.button-primary:hover {
  background: linear-gradient(135deg, #397eff, #1249bc);
  box-shadow: 0 17px 36px rgba(36, 107, 253, 0.34);
}

.button-dark {
  background: linear-gradient(145deg, #13293a, #071521);
  box-shadow: 0 12px 26px rgba(7, 21, 33, 0.16);
}

.button-ghost {
  border-color: rgba(134, 154, 172, 0.42);
  box-shadow: 0 8px 20px rgba(7, 21, 33, 0.055);
}

.hero {
  display: grid;
  min-height: 720px;
  align-items: center;
  padding: 96px 0 104px;
  background:
    linear-gradient(90deg, rgba(4, 16, 26, 0.98) 0%, rgba(5, 20, 33, 0.94) 39%, rgba(7, 25, 40, 0.5) 66%, rgba(7, 25, 40, 0.12) 100%),
    linear-gradient(0deg, rgba(14, 63, 118, 0.12), transparent 45%),
    url("images/hero-washers.webp") 66% center / cover no-repeat;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(rgba(116, 181, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 181, 255, 0.07) 1px, transparent 1px),
    radial-gradient(circle at 70% 44%, rgba(59, 212, 232, 0.15), transparent 19rem);
  background-size: 72px 72px, 72px 72px, auto;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent 76%);
}

.hero::after {
  height: 6px;
  background: linear-gradient(90deg, var(--orange) 0 14%, var(--blue) 14% 40%, var(--cyan) 40% 55%, transparent 55%);
  box-shadow: 0 -8px 34px rgba(36, 107, 253, 0.28);
}

.hero-content {
  max-width: 750px;
}

.hero .eyebrow {
  margin-bottom: 22px;
  color: #8cc4ff;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(52px, 6vw, 82px);
  font-weight: 900;
  letter-spacing: -0.055em;
  text-shadow: 0 10px 36px rgba(0, 0, 0, 0.26);
}

.hero h1::after {
  display: block;
  width: 92px;
  height: 5px;
  margin-top: 26px;
  background: linear-gradient(90deg, var(--orange), var(--blue), var(--cyan));
  border-radius: 999px;
  content: "";
}

.hero .lead {
  max-width: 680px;
  margin-top: 28px;
  color: rgba(235, 243, 249, 0.82);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.85;
}

.hero-actions {
  margin-top: 36px;
}

.hero .button-ghost {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.hero .button-ghost:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.48);
}

.hero-facts {
  gap: 12px;
  max-width: 780px;
  margin-top: 52px;
  border-top: 0;
}

.hero-fact {
  min-height: 108px;
  padding: 20px 22px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.035));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px 4px 16px 4px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
}

.hero-fact strong {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.025em;
}

.hero-fact span {
  margin-top: 6px;
  color: rgba(225, 237, 246, 0.62);
}

.page-hero {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  padding: 86px 0;
  background:
    linear-gradient(90deg, rgba(4, 16, 26, 0.98), rgba(5, 24, 39, 0.88) 58%, rgba(7, 28, 45, 0.7)),
    url("images/large-diameter.webp") 76% center / cover no-repeat;
  isolation: isolate;
}

.page-hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(circle at 78% 35%, rgba(36, 107, 253, 0.3), transparent 24rem),
    linear-gradient(rgba(116, 181, 255, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 181, 255, 0.065) 1px, transparent 1px);
  background-size: auto, 64px 64px, 64px 64px;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent 88%);
}

.page-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--blue) 35%, var(--cyan) 55%, transparent 78%);
  content: "";
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 900;
  letter-spacing: -0.045em;
  text-shadow: 0 9px 34px rgba(0, 0, 0, 0.25);
}

.page-hero .lead {
  max-width: 780px;
  color: rgba(235, 243, 249, 0.74);
  font-size: 19px;
  line-height: 1.85;
}

.breadcrumbs {
  width: fit-content;
  padding: 7px 12px;
  margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.section,
.section-compact {
  position: relative;
  overflow: hidden;
}

.section {
  padding: 108px 0;
}

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

.section-muted {
  background:
    radial-gradient(circle at 8% 15%, rgba(36, 107, 253, 0.065), transparent 23rem),
    radial-gradient(circle at 92% 82%, rgba(59, 212, 232, 0.055), transparent 22rem),
    linear-gradient(180deg, #f4f7fa, #eff3f7);
}

.section-dark {
  background:
    radial-gradient(circle at 86% 16%, rgba(36, 107, 253, 0.22), transparent 26rem),
    radial-gradient(circle at 12% 82%, rgba(59, 212, 232, 0.1), transparent 24rem),
    linear-gradient(145deg, #06131e, #0a1d2c);
}

.section-dark::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(116, 181, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 181, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.section-dark > .container {
  position: relative;
}

.section-heading {
  margin-bottom: 50px;
  gap: 15px;
}

.section-heading.split {
  gap: 64px;
}

.section-heading h2 {
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.section-heading > p:not(.eyebrow),
.section-heading.split > p {
  color: #596a79;
  font-size: 16px;
  line-height: 1.9;
}

.eyebrow {
  width: fit-content;
  padding: 7px 11px;
  margin-bottom: 16px;
  color: var(--blue-dark);
  background: rgba(36, 107, 253, 0.075);
  border: 1px solid rgba(36, 107, 253, 0.13);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.16em;
}

.eyebrow::before {
  width: 16px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
}

.hero .eyebrow,
.page-hero .eyebrow,
.section-dark .eyebrow,
.contact-panel .eyebrow {
  color: #9acbff;
  background: rgba(116, 181, 255, 0.09);
  border-color: rgba(116, 181, 255, 0.17);
}

.answer-box {
  position: relative;
  padding: 34px 38px 34px 42px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.94));
  border: 1px solid rgba(173, 190, 204, 0.42);
  border-left: 0;
  border-radius: 20px 5px 20px 5px;
  box-shadow: var(--shadow-lg);
}

.answer-box::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--orange), var(--blue), var(--cyan));
  border-radius: 20px 0 0 5px;
  content: "";
}

.answer-box::after {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(36, 107, 253, 0.08), transparent 68%);
  content: "";
}

.answer-box strong {
  color: var(--blue-dark);
  font-size: 12px;
}

.answer-box p {
  max-width: 1050px;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.9;
}

.cards {
  gap: 24px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 32px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 1), rgba(247, 250, 252, 0.94));
  border-color: rgba(176, 192, 205, 0.46);
  border-radius: 22px 6px 22px 6px;
  box-shadow: 0 10px 32px rgba(7, 21, 33, 0.045);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--blue), transparent 78%);
  content: "";
  opacity: 0;
  transition: opacity 220ms ease;
}

.card:hover {
  border-color: rgba(36, 107, 253, 0.26);
  box-shadow: 0 24px 58px rgba(7, 30, 48, 0.12);
  transform: translateY(-6px);
}

.card:hover::before {
  opacity: 1;
}

.card-number {
  width: 46px;
  height: 46px;
  color: #1557db;
  background:
    linear-gradient(145deg, rgba(36, 107, 253, 0.14), rgba(59, 212, 232, 0.08));
  border: 1px solid rgba(36, 107, 253, 0.13);
  border-radius: 13px 4px 13px 4px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.75);
}

.card h3 {
  font-size: 22px;
  font-weight: 850;
}

.card p {
  color: #526372;
  line-height: 1.82;
}

.feature {
  position: relative;
  overflow: visible;
  background:
    linear-gradient(135deg, #f9fbfd, #edf3f7);
  border-color: rgba(166, 184, 199, 0.46);
  border-radius: 28px 8px 28px 8px;
  box-shadow: var(--shadow-lg);
}

.feature::before {
  position: absolute;
  z-index: -1;
  top: 24px;
  right: -20px;
  bottom: -24px;
  left: 28px;
  background: linear-gradient(135deg, rgba(36, 107, 253, 0.11), rgba(59, 212, 232, 0.06));
  border-radius: 28px;
  content: "";
  filter: blur(2px);
}

.feature-media {
  overflow: hidden;
  min-height: 510px;
  background: #e6edf2;
  border-radius: 27px 0 0 7px;
}

.feature-media img {
  transition: transform 800ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.feature:hover .feature-media img {
  transform: scale(1.035);
}

.feature-content {
  padding: 64px;
}

.feature-content h2 {
  font-weight: 900;
}

.check-list li {
  padding-block: 11px;
  color: #304353;
}

.check-list li::before {
  top: 12px;
  color: var(--green);
}

.stat-strip {
  position: relative;
  overflow: hidden;
  margin-top: 38px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(170, 188, 202, 0.42);
  border-radius: 18px 5px 18px 5px;
  box-shadow: 0 14px 38px rgba(7, 21, 33, 0.06);
}

.stat-strip li {
  position: relative;
  padding: 28px 30px;
}

.stat-strip li::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  content: "";
  opacity: 0;
  transition: opacity 180ms ease;
}

.stat-strip li:hover::after {
  opacity: 1;
}

.stat-strip strong {
  color: var(--blue-dark);
  font-size: 27px;
  font-weight: 900;
}

.proof-grid {
  gap: 12px;
  background: transparent;
}

.proof-item {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  padding: 36px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(155, 188, 216, 0.16);
  border-radius: 18px 5px 18px 5px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.proof-item::after {
  position: absolute;
  right: -44px;
  bottom: -44px;
  width: 130px;
  height: 130px;
  background: radial-gradient(circle, rgba(36, 107, 253, 0.25), transparent 68%);
  content: "";
  transition: transform 260ms ease;
}

.proof-item:hover::after {
  transform: scale(1.28);
}

.proof-item small {
  color: #81bcff;
}

.proof-item h3 {
  margin-top: 30px;
  font-size: 24px;
  font-weight: 900;
}

.proof-item p {
  color: rgba(232, 241, 247, 0.62);
  line-height: 1.78;
}

.media-grid {
  gap: 20px;
}

.media-grid figure {
  min-height: 320px;
  background: linear-gradient(145deg, #e8eef3, #f6f8fa);
  border: 1px solid rgba(159, 179, 195, 0.34);
  border-radius: 22px 6px 22px 6px;
  box-shadow: 0 14px 36px rgba(7, 21, 33, 0.07);
}

.media-grid figure:first-child {
  min-height: 660px;
}

.media-grid figcaption {
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 13px 16px;
  background: rgba(5, 19, 30, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px 4px 12px 4px;
  font-weight: 700;
  backdrop-filter: blur(14px);
}

.application-grid {
  gap: 18px;
}

.application {
  position: relative;
  overflow: hidden;
  min-height: 240px;
  padding: 32px;
  background:
    radial-gradient(circle at 100% 0, rgba(59, 212, 232, 0.1), transparent 12rem),
    linear-gradient(145deg, #ffffff, #f5f8fb);
  border-color: rgba(170, 188, 202, 0.44);
  border-radius: 22px 6px 22px 6px;
  box-shadow: 0 12px 32px rgba(7, 21, 33, 0.045);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.application::before {
  display: block;
  width: 52px;
  height: 4px;
  margin-bottom: 24px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
  border-radius: 999px;
  content: "";
}

.application:hover {
  box-shadow: 0 22px 50px rgba(7, 30, 48, 0.1);
  transform: translateY(-5px);
}

.application strong {
  font-size: 22px;
  font-weight: 880;
}

.application p {
  color: #556674;
  line-height: 1.8;
}

.tag-list li {
  color: #1753ba;
  background: rgba(36, 107, 253, 0.085);
  border: 1px solid rgba(36, 107, 253, 0.1);
}

.content-layout {
  gap: 64px;
}

.prose {
  padding: 42px 46px;
  color: #465867;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(175, 191, 204, 0.42);
  border-radius: 24px 7px 24px 7px;
  box-shadow: 0 16px 50px rgba(7, 21, 33, 0.06);
}

.prose h2 {
  position: relative;
  padding-top: 14px;
  font-size: 35px;
  font-weight: 900;
}

.prose h2::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
  border-radius: 999px;
  content: "";
}

.prose h3 {
  font-weight: 850;
}

.prose p,
.prose li {
  line-height: 1.9;
}

.prose blockquote {
  background: linear-gradient(135deg, #fff2eb, #fff8f4);
  border-left-width: 5px;
  box-shadow: 0 10px 26px rgba(255, 117, 72, 0.07);
}

.toc {
  top: 112px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(170, 188, 202, 0.42);
  border-radius: 18px 5px 18px 5px;
  box-shadow: 0 14px 40px rgba(7, 21, 33, 0.07);
  backdrop-filter: blur(14px);
}

.toc strong {
  font-weight: 850;
}

.toc a {
  position: relative;
  padding: 10px 0 10px 16px;
}

.toc a::before {
  position: absolute;
  top: 17px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--blue);
  border-radius: 50%;
  content: "";
}

.table-wrap {
  border-color: rgba(166, 184, 199, 0.48);
  border-radius: 18px 5px 18px 5px;
  box-shadow: 0 14px 42px rgba(7, 21, 33, 0.07);
}

table {
  font-size: 14px;
}

th {
  background:
    linear-gradient(145deg, #122b3e, #071521);
}

th,
td {
  padding: 16px 18px;
}

tbody tr:nth-child(even) td {
  background: rgba(242, 246, 249, 0.72);
}

tbody tr:hover td {
  background: rgba(36, 107, 253, 0.065);
}

.table-tools input,
.field input,
.field select,
.field textarea {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(159, 179, 195, 0.5);
  border-radius: 12px 4px 12px 4px;
}

.table-tools input {
  min-height: 50px;
  padding-inline: 17px;
  box-shadow: 0 8px 20px rgba(7, 21, 33, 0.035);
}

.notice {
  padding: 23px 25px;
  background:
    linear-gradient(145deg, rgba(242, 246, 249, 0.96), rgba(248, 250, 252, 0.96));
  border-color: rgba(166, 184, 199, 0.42);
  border-radius: 16px 5px 16px 5px;
  box-shadow: 0 10px 28px rgba(7, 21, 33, 0.04);
}

.evidence {
  position: relative;
  overflow: hidden;
  padding: 28px;
  background: linear-gradient(145deg, #ffffff, #f5f8fa);
  border-color: rgba(165, 184, 199, 0.43);
  border-radius: 20px 6px 20px 6px;
  box-shadow: 0 12px 34px rgba(7, 21, 33, 0.05);
}

.evidence::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 86px;
  height: 86px;
  background: radial-gradient(circle at top right, rgba(59, 212, 232, 0.13), transparent 68%);
  content: "";
}

.faq-list {
  overflow: hidden;
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(170, 188, 202, 0.42);
  border-radius: 20px 6px 20px 6px;
  box-shadow: 0 14px 42px rgba(7, 21, 33, 0.055);
}

.faq-list summary {
  padding-block: 27px;
  font-size: 17px;
  font-weight: 820;
}

.faq-list summary::after {
  top: 24px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  background: rgba(36, 107, 253, 0.08);
  border-radius: 50%;
  font-size: 20px;
}

.download {
  position: relative;
  overflow: hidden;
  padding: 28px;
  background: linear-gradient(145deg, #fff, #f6f9fb);
  border-color: rgba(165, 184, 199, 0.44);
  border-radius: 20px 6px 20px 6px;
  box-shadow: 0 14px 38px rgba(7, 21, 33, 0.055);
}

.download-icon {
  background: linear-gradient(145deg, #ff875f, #e95224);
  border-radius: 14px 4px 14px 4px;
  box-shadow: 0 10px 22px rgba(255, 117, 72, 0.22);
}

.contact-grid {
  gap: 56px;
}

.contact-panel {
  position: relative;
  overflow: hidden;
  padding: 42px;
  background:
    radial-gradient(circle at 100% 0, rgba(36, 107, 253, 0.34), transparent 18rem),
    linear-gradient(145deg, #0b2132, #06131e);
  border: 1px solid rgba(139, 177, 209, 0.15);
  border-radius: 24px 7px 24px 7px;
  box-shadow: var(--shadow-lg);
}

.contact-panel::after {
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 180px;
  height: 180px;
  background:
    repeating-radial-gradient(circle, transparent 0 12px, rgba(116, 181, 255, 0.08) 13px 14px);
  content: "";
}

.contact-form {
  padding: 36px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(168, 187, 201, 0.42);
  border-radius: 22px 6px 22px 6px;
  box-shadow: 0 18px 52px rgba(7, 21, 33, 0.07);
}

.field label {
  color: #263b4b;
  font-weight: 800;
}

.field input,
.field select {
  min-height: 52px;
}

.cta {
  padding: 68px;
  background:
    radial-gradient(circle at 88% 34%, rgba(36, 107, 253, 0.8), transparent 19rem),
    radial-gradient(circle at 8% 100%, rgba(59, 212, 232, 0.13), transparent 18rem),
    linear-gradient(145deg, #06131e, #0c2233);
  border: 1px solid rgba(132, 172, 207, 0.16);
  border-radius: 28px 8px 28px 8px;
  box-shadow: var(--shadow-lg);
}

.cta::before {
  width: 7px;
  background: linear-gradient(180deg, var(--orange), var(--blue), var(--cyan));
}

.cta::after {
  position: absolute;
  right: 18%;
  bottom: -50%;
  width: 260px;
  height: 260px;
  background:
    repeating-radial-gradient(circle, transparent 0 15px, rgba(255, 255, 255, 0.055) 16px 17px);
  content: "";
}

.cta-inner {
  z-index: 1;
}

.cta h2 {
  font-weight: 900;
  letter-spacing: -0.035em;
}

.site-footer {
  position: relative;
  overflow: hidden;
  padding-top: 82px;
  background:
    radial-gradient(circle at 82% 15%, rgba(36, 107, 253, 0.13), transparent 24rem),
    linear-gradient(145deg, #050f17, #081722);
}

.site-footer::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(116, 181, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 181, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.site-footer .container {
  position: relative;
}

.footer-column strong {
  color: #dce9f3;
  font-size: 15px;
}

.footer-column a {
  transition: color 160ms ease, transform 160ms ease;
}

.footer-column a:hover {
  color: var(--blue-light);
  transform: translateX(3px);
}

.footer-bottom {
  border-top-color: rgba(153, 181, 203, 0.14);
}

@media (max-width: 1040px) {
  .site-nav {
    top: 83px;
    padding: 34px;
    background:
      radial-gradient(circle at 90% 5%, rgba(36, 107, 253, 0.1), transparent 18rem),
      rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(22px);
  }

  .site-nav a {
    padding: 17px 0;
  }

  .content-layout {
    gap: 34px;
  }

  .prose {
    padding: 36px;
  }
}

@media (max-width: 780px) {
  .container,
  .narrow {
    width: min(calc(100% - 30px), var(--container));
  }

  .header-inner {
    min-height: 72px;
  }

  .site-nav {
    top: 73px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px 4px 12px 4px;
    font-size: 15px;
  }

  .brand-text strong {
    font-size: 15px;
  }

  .hero {
    min-height: 680px;
    padding: 72px 0 76px;
    background:
      linear-gradient(180deg, rgba(4, 16, 26, 0.93), rgba(4, 16, 26, 0.88)),
      url("images/hero-washers.webp") 60% center / cover no-repeat;
  }

  .hero::before {
    background-size: 44px 44px, 44px 44px, auto;
    mask-image: linear-gradient(to bottom, black, transparent);
  }

  .hero h1 {
    font-size: clamp(44px, 13vw, 58px);
    line-height: 1.08;
  }

  .hero h1::after {
    width: 72px;
    margin-top: 20px;
  }

  .hero .lead {
    font-size: 16px;
    line-height: 1.8;
  }

  .hero-facts {
    gap: 9px;
    margin-top: 40px;
  }

  .hero-fact {
    min-height: 0;
    padding: 15px 17px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-fact strong {
    font-size: 20px;
  }

  .page-hero {
    min-height: 390px;
    padding: 66px 0;
    background:
      linear-gradient(180deg, rgba(4, 16, 26, 0.93), rgba(5, 22, 36, 0.88)),
      url("images/large-diameter.webp") 62% center / cover no-repeat;
  }

  .page-hero h1 {
    font-size: clamp(38px, 11vw, 50px);
  }

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

  .breadcrumbs {
    padding: 6px 10px;
    margin-bottom: 23px;
    font-size: 11px;
  }

  .section {
    padding: 78px 0;
  }

  .section-compact {
    padding: 54px 0;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2 {
    font-size: clamp(30px, 9vw, 40px);
  }

  .answer-box {
    padding: 27px 24px 27px 28px;
  }

  .answer-box p {
    font-size: 16px;
  }

  .card,
  .application,
  .evidence {
    padding: 26px;
  }

  .feature {
    overflow: hidden;
    border-radius: 22px 6px 22px 6px;
  }

  .feature::before {
    display: none;
  }

  .feature-media {
    min-height: 330px;
    border-radius: 21px 5px 0 0;
  }

  .feature-content {
    padding: 36px 27px 40px;
  }

  .stat-strip {
    margin-top: 24px;
  }

  .stat-strip li {
    padding: 22px;
  }

  .proof-item {
    min-height: 220px;
    padding: 28px;
  }

  .media-grid figure,
  .media-grid figure:first-child {
    min-height: 300px;
  }

  .prose {
    padding: 28px 23px;
    border-radius: 18px 5px 18px 5px;
  }

  .prose h2 {
    margin-top: 46px;
    font-size: 29px;
  }

  .faq-list {
    padding-inline: 20px;
  }

  .contact-panel {
    padding: 32px 27px;
  }

  .contact-form {
    padding: 28px 22px;
  }

  .cta {
    padding: 44px 28px;
  }

  .site-footer {
    padding-top: 64px;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 720px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-fact {
    display: flex;
    align-items: center;
  }

  .hero-fact span {
    margin-top: 0;
  }

  .proof-grid {
    gap: 10px;
  }

  .proof-item {
    min-height: 0;
  }

  .table-wrap {
    border-radius: 14px 4px 14px 4px;
  }

  .download {
    padding: 23px;
  }
}