/* Shared structure for product, engineering, quality and company pages. */
.nav-group {
  position: relative;
  display: flex;
  align-items: center;
}

.demo-flag {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  min-height: 32px;
  margin-bottom: 22px;
  padding: 5px 12px;
  color: var(--white);
  background: var(--accent);
  border-left: 3px solid #f2d5c4;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
}

.fiction-tag {
  display: inline-flex;
  width: fit-content;
  min-height: 24px;
  align-items: center;
  margin-bottom: 18px;
  padding: 0 8px;
  color: var(--accent-dark);
  background: rgba(166, 91, 57, 0.09);
  border: 1px solid rgba(166, 91, 57, 0.25);
  font-size: 9px;
  font-weight: 700;
}

.primary-nav .nav-group > a {
  display: inline-flex;
  align-items: center;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% - 17px);
  left: -20px;
  z-index: 120;
  width: 238px;
  padding: 8px;
  background: var(--header-bg-solid);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(14, 18, 20, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity 160ms ease,
    visibility 160ms ease,
    transform 160ms ease;
}

.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-nav .nav-dropdown a {
  display: flex;
  min-height: 40px;
  align-items: center;
  padding: 0 12px;
  color: var(--ink-2);
  border-bottom: 1px solid rgba(14, 18, 20, 0.07);
  font-size: 12px;
}

.primary-nav .nav-dropdown a:last-child {
  border-bottom: 0;
}

.primary-nav .nav-dropdown a::after {
  display: none;
}

.primary-nav .nav-dropdown a:hover {
  color: var(--accent);
  background: rgba(179, 151, 107, 0.08);
}

.primary-nav .nav-dropdown a[aria-current="page"] {
  color: var(--accent);
  background: rgba(179, 151, 107, 0.08);
}

.primary-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 84px);
  padding-bottom: 78px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7, 13, 15, 0.97) 0%, rgba(7, 13, 15, 0.87) 48%, rgba(7, 13, 15, 0.64) 100%),
    var(--page-image, url("/assets/refractory-lining.jpg")) center 48% / cover no-repeat,
    var(--surface-deep-2);
}

.page-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: rgba(179, 151, 107, 0.45);
}

.page-hero--plain {
  background:
    linear-gradient(90deg, rgba(8, 14, 16, 0.98), rgba(12, 29, 31, 0.94)),
    var(--surface-deep);
}

.page-hero--plain::before {
  position: absolute;
  inset: var(--header-h) 0 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 46px 46px;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.45fr);
  gap: clamp(48px, 6vw, 100px);
  align-items: end;
}

@media (min-width: 981px) {
  .page-hero-inner--wide {
    grid-template-columns: minmax(0, 1fr);
    gap: 38px;
  }

  .page-hero-inner--wide > div > h1 {
    max-width: none;
  }

  .page-hero-inner--wide .page-hero-aside {
    padding: 22px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 0;
  }

  .page-hero-inner--wide .page-hero-aside ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 14px;
  }
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
}

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

.breadcrumbs span {
  color: rgba(255, 255, 255, 0.25);
}

.page-number {
  display: block;
  margin-bottom: 19px;
  color: var(--bronze);
  font-family: "Consolas", monospace;
  font-size: 11px;
}

.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.8rem, 4.8vw, 5rem);
  line-height: 1.14;
  line-break: strict;
  text-wrap: wrap;
}

.page-hero-summary {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
  line-height: 1.95;
}

.page-hero-aside {
  padding: 0 0 4px 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.page-hero-aside > span {
  color: var(--bronze);
  font-size: 10px;
  font-weight: 700;
}

.page-hero-aside ul {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-hero-aside li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 8px;
  color: rgba(255, 255, 255, 0.73);
  font-size: 12px;
  line-height: 1.65;
}

.page-hero-aside li::before {
  color: var(--accent-light);
  content: "—";
}

.scene-note {
  position: absolute;
  right: max(20px, calc((100vw - var(--container)) / 2));
  bottom: 18px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.46);
  font-size: 9px;
  line-height: 1.5;
}

.page-main {
  background: var(--paper);
}

.page-section {
  padding: 96px 0;
}

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

.page-section--deep {
  color: var(--white);
  background: var(--surface-deep);
}

.page-section--sand {
  background: var(--paper-deep);
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.section-kicker::before {
  width: 28px;
  height: 2px;
  content: "";
  background: currentColor;
}

.page-section--deep .section-kicker {
  color: var(--accent-light);
}

.page-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.65fr);
  gap: clamp(50px, 8vw, 140px);
  align-items: end;
  margin-bottom: 55px;
}

.page-heading h2 {
  margin: 0;
  font-size: clamp(2.1rem, 3.7vw, 3.9rem);
  line-height: 1.18;
}

.page-heading > p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.9;
}

.page-section--deep .page-heading > p {
  color: rgba(255, 255, 255, 0.57);
}

.subpage-index {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  display: grid;
  gap: 0;
  align-self: start;
  border-top: 1px solid var(--ink);
}

.subpage-index a {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 2px;
  color: var(--ink-3);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.subpage-index a::after {
  content: "↗";
  color: var(--accent);
}

.subpage-index a:hover {
  color: var(--ink);
}

.product-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.product-category {
  position: relative;
  display: flex;
  min-height: 430px;
  flex-direction: column;
  padding: 28px 24px;
  background: var(--paper);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition:
    color 180ms ease,
    background 180ms ease;
}

.product-category:hover {
  color: var(--white);
  background: var(--ink);
}

.product-category > span {
  color: var(--accent);
  font-family: "Consolas", monospace;
  font-size: 10px;
}

.product-category h3 {
  margin: 0 0 12px;
  font-size: 21px;
}

.product-category p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.75;
}

.product-category:hover p {
  color: rgba(255, 255, 255, 0.58);
}

.product-category-media {
  position: relative;
  height: 158px;
  margin: -28px -24px 24px;
  overflow: hidden;
  background: var(--ink);
}

.product-category-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.05) brightness(0.82);
  transition: transform 420ms ease;
}

.product-category:hover .product-category-media img {
  transform: scale(1.045);
}

.product-category-media span {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 7px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(7, 13, 15, 0.68);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 9px;
}

.product-category small {
  margin-top: auto;
  padding-top: 22px;
  color: var(--ink-3);
  font-size: 10px;
}

.product-category:hover small {
  color: var(--accent-light);
}

.input-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.home-section-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 28px;
}

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

.button-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.input-strip div {
  min-height: 86px;
  padding: 18px 14px;
  border-left: 1px solid var(--line);
}

.input-strip div:first-child {
  border-left: 0;
}

.input-strip span {
  display: block;
  color: var(--accent);
  font-family: "Consolas", monospace;
  font-size: 9px;
}

.input-strip strong {
  display: block;
  margin-top: 10px;
  font-size: 12px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(55px, 8vw, 130px);
}

.detail-content {
  min-width: 0;
}

.detail-block + .detail-block {
  margin-top: 82px;
  padding-top: 82px;
  border-top: 1px solid var(--line);
}

.detail-block-head {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(290px, 1fr);
  gap: 50px;
  align-items: start;
  margin-bottom: 34px;
}

.detail-block-head h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.24;
}

.detail-block-head p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.85;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.system-card {
  min-height: 230px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.system-card > span {
  color: var(--accent);
  font-family: "Consolas", monospace;
  font-size: 10px;
}

.system-card h3 {
  margin: 31px 0 11px;
  font-size: 20px;
}

.system-card p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.8;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 38px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.check-list li {
  position: relative;
  min-height: 68px;
  padding: 17px 0 17px 28px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
}

.check-list li::before {
  position: absolute;
  top: 19px;
  left: 0;
  color: var(--teal);
  content: "✓";
  font-weight: 700;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.process-list li {
  min-height: 210px;
  padding: 25px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-list span {
  color: var(--accent);
  font-family: "Consolas", monospace;
  font-size: 10px;
}

.process-list h3 {
  margin: 38px 0 10px;
  font-size: 19px;
}

.process-list p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.8;
}

.page-section--deep .process-list,
.page-section--deep .check-list,
.page-section--deep .system-grid {
  border-color: var(--line-light);
}

.page-section--deep .process-list li,
.page-section--deep .check-list li,
.page-section--deep .system-card {
  border-color: var(--line-light);
}

.page-section--deep .process-list p,
.page-section--deep .check-list li,
.page-section--deep .system-card p {
  color: rgba(255, 255, 255, 0.57);
}

.page-section--deep .system-grid {
  border-top-color: rgba(255, 255, 255, 0.3);
}

.cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 48px;
  color: var(--white);
  background: var(--accent);
}

.cta-band span {
  color: rgba(255, 255, 255, 0.68);
  font-family: "Consolas", monospace;
  font-size: 10px;
}

.cta-band h2 {
  max-width: 760px;
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.9rem);
  line-height: 1.3;
}

.cta-band .button {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.content-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.56fr);
  gap: clamp(55px, 9vw, 140px);
}

.content-copy h2 {
  margin: 0 0 25px;
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  line-height: 1.2;
}

.content-copy p {
  margin: 0 0 17px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.9;
}

.content-copy .lead {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.65;
}

.content-heading {
  margin: 0 0 24px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.24;
}

.evidence-panel {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--bronze);
}

.evidence-panel h3 {
  margin: 0 0 20px;
  font-size: 18px;
}

.evidence-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.evidence-panel li {
  padding: 13px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.7;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.case-card {
  min-height: 280px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-card span {
  color: var(--accent);
  font-family: "Consolas", monospace;
  font-size: 10px;
}

.case-card h3 {
  margin: 44px 0 12px;
  font-size: 22px;
}

.case-card p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.85;
}

.case-card footer {
  margin-top: 28px;
  color: var(--ink-3);
  font-size: 10px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.metric-card {
  min-height: 170px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric-card span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin: 24px 0 4px;
  font-size: clamp(2rem, 3vw, 3.2rem);
  font-weight: 500;
  line-height: 1;
}

.metric-card small {
  color: var(--ink-3);
  font-size: 10px;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
}

.article-card {
  padding: 28px 26px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.article-card:first-child {
  border-left: 1px solid var(--line);
}

.article-card span {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
}

.article-card h3 {
  margin: 34px 0 14px;
  font-size: 20px;
  line-height: 1.45;
}

.article-card p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.8;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  gap: clamp(44px, 7vw, 100px);
}

.contact-list {
  border-top: 1px solid var(--ink);
}

.contact-list div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list span {
  color: var(--accent);
  font-size: 10px;
}

.contact-list strong {
  font-size: 15px;
  line-height: 1.7;
}

.contact-list p {
  margin: 5px 0 0;
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.75;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(140px, 0.55fr));
  gap: 54px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand-block {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.footer-brand-block img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  background: var(--white);
  border-radius: 2px;
}

.footer-brand-block strong {
  display: block;
  color: var(--white);
  font-size: 20px;
}

.footer-brand-block p {
  max-width: 290px;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 11px;
  line-height: 1.8;
}

.footer-column h3 {
  margin: 4px 0 15px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 11px;
  font-weight: 600;
}

.footer-column a {
  display: flex;
  min-height: 34px;
  align-items: center;
  color: rgba(255, 255, 255, 0.44);
  font-size: 11px;
}

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

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 35px;
  padding-top: 24px;
}

.footer-legal p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.3);
  font-size: 9px;
  line-height: 1.75;
}

.footer-legal p:last-child {
  max-width: 400px;
  text-align: right;
}

.footer-filing {
  padding-top: 12px;
  text-align: center;
}

.footer-filing a {
  color: rgba(255, 255, 255, 0.38);
  font-size: 10px;
  letter-spacing: 0.02em;
}

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

.subpage-cta {
  padding: 0 0 95px;
}

.subpage-cta .container {
  padding-top: 42px;
  padding-bottom: 42px;
}

@media (max-width: 1180px) {
  .primary-nav {
    gap: 18px;
  }

  .primary-nav a {
    font-size: 12px;
  }

  .header-cta {
    margin-left: 22px;
  }

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

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

  .input-strip div:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .input-strip div:nth-child(n + 5) {
    border-top: 1px solid var(--line);
  }

  .footer-grid {
    grid-template-columns: 1.4fr repeat(2, minmax(150px, 0.6fr));
  }

  .footer-grid .footer-column:last-child {
    grid-column: 2 / -1;
  }
}

@media (max-width: 980px) {
  .nav-group {
    display: block;
  }

  .nav-dropdown {
    display: none;
  }

  .page-hero {
    padding-top: calc(var(--header-h) + 60px);
    padding-bottom: 58px;
  }

  .page-hero-inner,
  .page-heading,
  .detail-block-head,
  .content-columns,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-hero h1 {
    font-size: clamp(2.5rem, 7vw, 4rem);
  }

  .page-hero-aside {
    max-width: 640px;
    padding: 0;
    border-left: 0;
  }

  .page-hero-aside ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .subpage-index {
    position: static;
    display: flex;
    overflow-x: auto;
    border-bottom: 1px solid var(--line);
  }

  .subpage-index a {
    flex: 0 0 auto;
    min-width: 135px;
    padding: 0 14px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .subpage-index a:first-child {
    border-left: 0;
  }

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

  .article-list {
    grid-template-columns: 1fr;
  }

  .article-card {
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  .home-section-actions {
    justify-content: stretch;
  }

  .home-section-actions .button {
    width: 100%;
  }

  .page-hero {
    padding-top: calc(var(--header-h) + 48px);
    padding-bottom: 48px;
  }

  .scene-note {
    right: 16px;
    bottom: 10px;
  }

  .page-hero h1 {
    font-size: clamp(1.85rem, 7.2vw, 2.5rem);
    line-height: 1.2;
  }

  .page-hero-summary {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.8;
  }

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

  .page-hero-aside ul {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .page-section {
    padding: 67px 0;
  }

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

  .page-heading h2 {
    font-size: clamp(1.9rem, 8.5vw, 2.6rem);
  }

  .page-heading > p {
    font-size: 14px;
  }

  .product-category-grid,
  .system-grid,
  .check-list,
  .case-grid {
    grid-template-columns: 1fr;
  }

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

  .demo-flag {
    font-size: 10px;
  }

  .product-category {
    min-height: 220px;
  }

  .product-category h3 {
    margin-top: 32px;
  }

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

  .input-strip div,
  .input-strip div:nth-child(n) {
    min-height: 78px;
    border-top: 1px solid var(--line);
  }

  .input-strip div:nth-child(odd) {
    border-left: 0;
  }

  .detail-block + .detail-block {
    margin-top: 55px;
    padding-top: 55px;
  }

  .detail-block-head {
    margin-bottom: 26px;
  }

  .system-card {
    min-height: 0;
    padding: 22px;
  }

  .system-card h3 {
    margin-top: 24px;
  }

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

  .process-list li {
    min-height: 0;
    padding: 22px;
  }

  .process-list h3 {
    margin-top: 25px;
  }

  .cta-band {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 22px;
  }

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

  .content-copy .lead {
    font-size: 18px;
  }

  .contact-layout {
    gap: 35px;
  }

  .contact-list div {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px 24px;
  }

  .footer-brand-block {
    grid-column: 1 / -1;
  }

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

  .footer-column a {
    min-height: 44px;
  }

  .footer-legal {
    flex-direction: column;
    gap: 12px;
  }

  .footer-legal p:last-child {
    text-align: left;
  }

  .subpage-cta {
    padding-bottom: 60px;
  }
}

@media (max-width: 420px) {
  .page-hero h1 {
    font-size: clamp(1.5rem, 7.5vw, 1.85rem);
    line-height: 1.22;
  }

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

  .input-strip div,
  .input-strip div:nth-child(n) {
    border-left: 0;
  }

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

.page-visual-overview {
  padding: 82px 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.visual-overview-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(290px, 0.62fr);
  gap: clamp(44px, 8vw, 130px);
  align-items: end;
  margin-bottom: 42px;
}

.visual-overview-head h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3.6rem);
  line-height: 1.2;
}

.visual-overview-head > p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.9;
}

.visual-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.visual-card {
  position: relative;
  min-height: 250px;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}

.visual-card img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05) brightness(0.82);
  transition:
    transform 480ms ease,
    filter 480ms ease;
}

.visual-card:hover img {
  filter: saturate(0.86) contrast(1.03) brightness(0.9);
  transform: scale(1.035);
}

.visual-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 42%, rgba(6, 10, 11, 0.92));
}

.visual-card figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  left: 18px;
  z-index: 1;
  color: var(--white);
}

.visual-card figcaption span,
.visual-card figcaption strong,
.visual-card figcaption small {
  display: block;
}

.visual-card figcaption span {
  color: var(--accent-light);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 9px;
}

.visual-card figcaption strong {
  margin-top: 5px;
  font-size: 16px;
  line-height: 1.45;
}

.visual-card figcaption small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 9px;
}

.visual-reading-order {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.visual-reading-order li {
  position: relative;
  min-height: 110px;
  padding: 18px 20px;
  border-left: 1px solid var(--line);
}

.visual-reading-order li:first-child {
  border-left: 0;
}

.visual-reading-order li::after {
  position: absolute;
  top: 18px;
  right: 14px;
  color: var(--accent);
  content: "→";
}

.visual-reading-order li:last-child::after {
  display: none;
}

.visual-reading-order span,
.visual-reading-order strong,
.visual-reading-order small {
  display: block;
}

.visual-reading-order span {
  margin-bottom: 12px;
  color: var(--accent);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 9px;
}

.visual-reading-order strong {
  font-size: 14px;
}

.visual-reading-order small {
  margin-top: 4px;
  color: var(--ink-3);
  font-size: 10px;
}

.condition-matrix-wrap {
  margin-top: 56px;
  overflow-x: auto;
  border-top: 1px solid var(--line-light);
}

.condition-matrix {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  color: var(--white);
  font-size: 12px;
}

.condition-matrix caption {
  padding: 14px 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 10px;
  text-align: left;
}

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

.condition-matrix th {
  color: var(--accent-light);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.condition-matrix td:first-child {
  color: var(--white);
  font-weight: 700;
}

.condition-matrix td {
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
}

@media (max-width: 980px) {
  .visual-overview-head {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .visual-reading-order li:nth-child(3) {
    border-left: 0;
  }

  .visual-reading-order li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  .page-visual-overview {
    padding: 62px 0;
  }

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

  .visual-card,
  .visual-card img {
    min-height: 210px;
  }

  .visual-card figcaption {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .visual-card figcaption strong {
    font-size: 14px;
  }

  .visual-reading-order {
    grid-template-columns: 1fr;
  }

  .visual-reading-order li,
  .visual-reading-order li:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .visual-reading-order li:first-child {
    border-top: 0;
  }
}

@media (max-width: 430px) {
  .visual-strip {
    grid-template-columns: 1fr;
  }

  .visual-card,
  .visual-card img {
    min-height: 235px;
  }
}

.decision-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(112px, 1fr));
  width: 100%;
  max-width: 100%;
  margin: 0 0 32px;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.decision-map li {
  position: relative;
  min-height: 132px;
  padding: 18px 14px;
  border-left: 1px solid var(--line);
}

.decision-map li:first-child {
  border-left: 0;
}

.decision-map li::after {
  position: absolute;
  top: 18px;
  right: 8px;
  color: var(--accent);
  content: "→";
  font-size: 11px;
}

.decision-map li:last-child::after {
  display: none;
}

.decision-map span,
.decision-map strong,
.decision-map small {
  display: block;
}

.decision-map span {
  margin-bottom: 24px;
  color: var(--accent);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 9px;
}

.decision-map strong {
  font-size: 14px;
}

.decision-map small {
  margin-top: 5px;
  color: var(--ink-3);
  font-size: 10px;
  line-height: 1.6;
}

@media (max-width: 720px) {
  .decision-map {
    grid-template-columns: repeat(5, minmax(138px, 1fr));
    margin-bottom: 26px;
  }

  .decision-map li {
    min-height: 120px;
  }
}