:root {
  --ink: #111615;
  --graphite: #1b211f;
  --steel: #5c6663;
  --muted: #6d7774;
  --line: #d8dedb;
  --soft: #f4f6f3;
  --white: #ffffff;
  --accent: #2bbf9f;
  --accent-dark: #177d6c;
  --signal: #d7a447;
  --danger: #c94b40;
  --shadow: 0 20px 50px rgba(17, 22, 21, 0.12);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fafbf9;
  line-height: 1.58;
  letter-spacing: 0;
  overflow-x: clip;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250, 251, 249, 0.94);
  border-bottom: 1px solid rgba(216, 222, 219, 0.86);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--graphite);
}

.brand img {
  width: 106px;
  height: auto;
}

.brand span {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 720;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-dark);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: clamp(520px, 76svh, 760px);
  color: var(--white);
  display: flex;
  align-items: end;
  overflow: hidden;
  background: var(--graphite);
}

.hero img,
.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 22, 21, 0.88) 0%, rgba(17, 22, 21, 0.54) 45%, rgba(17, 22, 21, 0.16) 100%),
    linear-gradient(180deg, rgba(17, 22, 21, 0.04) 0%, rgba(17, 22, 21, 0.78) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0 74px;
}

.eyebrow,
.hero-kicker,
.meta-label {
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.hero-kicker {
  color: var(--accent);
  margin-bottom: 18px;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.06;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 780px;
  color: var(--white);
  font-size: clamp(44px, 7vw, 86px);
  font-weight: 840;
}

.hero p {
  max-width: 620px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
.button-secondary,
.button-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.button {
  background: var(--accent);
  color: #061412;
  box-shadow: 0 14px 36px rgba(43, 191, 159, 0.24);
}

.button:hover {
  background: #48d9b8;
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(43, 191, 159, 0.3);
}

.button-secondary {
  color: var(--accent-dark);
  background: rgba(43, 191, 159, 0.1);
  border-color: rgba(43, 191, 159, 0.28);
}

.button-secondary:hover {
  background: rgba(43, 191, 159, 0.18);
  transform: translateY(-2px);
}

.button-light {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.38);
}

.button-light:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.metrics-strip {
  width: min(1180px, calc(100% - 32px));
  margin: -34px auto 0;
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.metric {
  min-height: 118px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  color: var(--graphite);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 96px 0;
}

.section.compact {
  padding: 70px 0;
}

.alt {
  background: var(--soft);
}

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

.dark h2,
.dark h3 {
  color: var(--white);
}

.dark p,
.dark li {
  color: rgba(255, 255, 255, 0.72);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 42px;
}

.section-head h2 {
  margin-top: 12px;
  max-width: 780px;
  font-size: clamp(31px, 4vw, 52px);
}

.section-head p {
  font-size: 16px;
}

.product-grid,
.blog-grid,
.value-grid,
.spec-grid {
  display: grid;
  gap: 20px;
}

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

.blog-grid.three,
.value-grid.three,
.spec-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.blog-card,
.value-card,
.spec-card,
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.product-card:hover,
.blog-card:hover,
.value-card:hover,
.spec-card:hover,
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(43, 191, 159, 0.42);
}

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

.product-card-body,
.blog-card-body,
.value-card,
.spec-card,
.contact-card {
  padding: 22px;
}

.product-card h2,
.product-card h3,
.blog-card h2,
.blog-card h3,
.value-card h3,
.spec-card h3,
.contact-card h3 {
  font-size: 20px;
  line-height: 1.2;
}

.product-card p,
.blog-card p,
.value-card p,
.spec-card p {
  margin-top: 12px;
  font-size: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(43, 191, 159, 0.1);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 760;
}

.tag.signal {
  background: rgba(215, 164, 71, 0.15);
  color: #7b5722;
}

.card-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--accent-dark);
  font-weight: 820;
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 50px;
  align-items: center;
}

.split-copy h2,
.feature-copy h2,
.article-body h2 {
  margin-top: 12px;
  font-size: clamp(30px, 4vw, 48px);
}

.split-copy p,
.feature-copy p {
  margin-top: 18px;
  font-size: 16px;
}

.split-media img,
.feature-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
  gap: 42px;
  align-items: center;
}

.check-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--steel);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 9px;
  height: 9px;
  background: var(--accent);
}

.spec-table {
  width: 100%;
  margin-top: 26px;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

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

.spec-table th {
  width: 34%;
  color: var(--graphite);
  background: #eef2ef;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.spec-table td {
  color: var(--steel);
}

.page-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: end;
  overflow: hidden;
  background: var(--graphite);
  color: var(--white);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 22, 21, 0.86), rgba(17, 22, 21, 0.28)),
    linear-gradient(180deg, rgba(17, 22, 21, 0.1), rgba(17, 22, 21, 0.82));
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
  padding: 92px 0 62px;
}

.page-hero h1 {
  max-width: 800px;
  color: var(--white);
  font-size: clamp(40px, 6vw, 72px);
}

.page-hero p {
  max-width: 660px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--steel);
  font-weight: 760;
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover {
  background: var(--graphite);
  border-color: var(--graphite);
  color: var(--white);
}

.inquiry-section {
  border-top: 1px solid var(--line);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--graphite);
  font-size: 13px;
  font-weight: 780;
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  padding: 10px 12px;
  color: var(--ink);
  outline: none;
}

.contact-form textarea {
  min-height: 132px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(43, 191, 159, 0.14);
}

.contact-form button {
  justify-self: start;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}

.article-cover {
  position: sticky;
  top: 96px;
}

.article-cover img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.article-body {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 44px);
}

.article-body h1 {
  font-size: clamp(36px, 5vw, 64px);
}

.article-body .lead {
  margin-top: 18px;
  color: var(--steel);
  font-size: 19px;
}

.article-body h2 {
  margin-top: 42px;
  font-size: clamp(25px, 3vw, 34px);
}

.article-body h3 {
  margin-top: 30px;
  font-size: 22px;
}

.article-body p {
  margin-top: 16px;
  font-size: 16px;
}

.article-body ul,
.article-body ol {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--steel);
}

.article-body li {
  margin-top: 8px;
}

.article-body > img {
  width: 100%;
  margin-top: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.kpi {
  padding: 16px;
  border: 1px solid var(--line);
  background: #f8faf8;
  border-radius: var(--radius);
}

.kpi strong {
  display: block;
  font-size: 25px;
  color: var(--graphite);
}

.kpi span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.timeline {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.timeline-item strong {
  color: var(--accent-dark);
}

.site-footer {
  background: #101412;
  color: var(--white);
  padding: 56px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) repeat(3, minmax(160px, 1fr));
  gap: 34px;
}

.footer-grid img {
  width: 116px;
  filter: brightness(0) invert(1);
}

.footer-grid p {
  max-width: 300px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-grid h3 {
  color: var(--white);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.footer-grid a,
.footer-grid span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-grid a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
}

@media (max-width: 1040px) {
  .product-grid.four,
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head,
  .split,
  .feature-band,
  .article-shell {
    grid-template-columns: 1fr;
  }

  .article-cover {
    position: static;
  }
}

@media (max-width: 760px) {
  .nav {
    min-height: 64px;
  }

  .brand span {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 64px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px;
  }

  .hero {
    min-height: 74svh;
  }

  .hero-content {
    padding: 72px 0 46px;
  }

  .metrics-strip,
  .product-grid.four,
  .blog-grid.three,
  .value-grid.three,
  .spec-grid.three,
  .kpi-grid,
  .footer-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .metrics-strip {
    margin-top: 0;
  }

  .metric {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 68px 0;
  }

  .section-head {
    gap: 18px;
    margin-bottom: 28px;
  }

  .contact-form .full {
    grid-column: auto;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* Blueprint console redesign */
:root {
  --ink: #eaf4f4;
  --graphite: #071013;
  --steel: #9db1b4;
  --muted: #7f9497;
  --line: rgba(139, 231, 222, 0.2);
  --soft: #0c181b;
  --white: #f7fbfb;
  --accent: #43d9c6;
  --accent-dark: #77f0df;
  --signal: #e1b358;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
}

body {
  color: var(--ink);
  background:
    linear-gradient(rgba(67, 217, 198, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 217, 198, 0.045) 1px, transparent 1px),
    #071013;
  background-size: 48px 48px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(67, 217, 198, 0.1), transparent 36%),
    linear-gradient(300deg, rgba(225, 179, 88, 0.08), transparent 32%);
}

p {
  color: var(--steel);
}

.cursor-glow {
  position: fixed;
  left: var(--pointer-x, -200px);
  top: var(--pointer-y, -200px);
  z-index: 60;
  width: 142px;
  height: 142px;
  pointer-events: none;
  opacity: 0.36;
  transform: translate(-50%, -50%);
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(67, 217, 198, 0.55) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgba(67, 217, 198, 0.55) 50%, transparent calc(50% + 1px));
  clip-path: polygon(0 48%, 38% 48%, 38% 0, 62% 0, 62% 48%, 100% 48%, 100% 52%, 62% 52%, 62% 100%, 38% 100%, 38% 52%, 0 52%);
  mix-blend-mode: screen;
  transition: opacity 180ms ease;
}

.site-header {
  background: rgba(6, 14, 17, 0.86);
  border-bottom: 1px solid rgba(139, 231, 222, 0.18);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

.brand {
  color: var(--ink);
}

.brand span {
  color: #91aeb1;
}

.nav-links {
  color: #d9e7e8;
}

.nav-links a::after {
  background: var(--accent);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.menu-toggle {
  background: rgba(9, 22, 25, 0.92);
  border-color: rgba(139, 231, 222, 0.26);
  color: var(--ink);
}

.hero {
  min-height: clamp(540px, 72svh, 720px);
  align-items: center;
  background: #071013;
  isolation: isolate;
}

.hero img,
.page-hero img {
  filter: saturate(0.88) contrast(1.08) brightness(0.76);
}

.hero img {
  animation: image-drift 22s ease-in-out infinite alternate;
  transform-origin: center;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(7, 16, 19, 0.96) 0%, rgba(7, 16, 19, 0.72) 48%, rgba(7, 16, 19, 0.28) 100%),
    linear-gradient(180deg, rgba(7, 16, 19, 0.08) 0%, rgba(7, 16, 19, 0.88) 100%);
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(139, 231, 222, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 231, 222, 0.1) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.8), transparent 72%);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.22fr);
  gap: 42px;
  align-items: end;
  padding: 82px 0 78px;
}

.hero-content > * {
  grid-column: 1;
}

.hero-content::after {
  content: "PROCESS WINDOW\A 750-1100℃\A 10-120 m/min\A O2 <10 ppm";
  white-space: pre-line;
  grid-column: 2;
  grid-row: 1 / span 4;
  align-self: end;
  padding: 24px;
  border: 1px solid rgba(139, 231, 222, 0.26);
  background: rgba(6, 15, 18, 0.66);
  color: rgba(234, 244, 244, 0.8);
  font-size: 13px;
  font-weight: 800;
  line-height: 2.1;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow);
  animation: panel-slide-in 820ms ease both 240ms;
}

.hero-kicker,
.eyebrow,
.meta-label {
  color: var(--accent);
}

.hero-kicker {
  padding-left: 16px;
  border-left: 3px solid var(--accent);
  animation: text-slide-up 680ms ease both 80ms;
}

.hero h1 {
  max-width: 860px;
  font-size: clamp(42px, 6vw, 76px);
  animation: text-slide-up 760ms ease both 170ms;
}

.hero p {
  max-width: 710px;
  color: rgba(234, 244, 244, 0.82);
  animation: text-slide-up 760ms ease both 260ms;
}

.hero-actions {
  animation: text-slide-up 760ms ease both 340ms;
}

.button,
.button-secondary,
.button-light {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
}

.button::before,
.button-secondary::before,
.button-light::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  transform: translateX(-120%);
  transition: transform 520ms ease;
}

.button:hover::before,
.button-secondary:hover::before,
.button-light:hover::before {
  transform: translateX(120%);
}

.button:hover,
.button-secondary:hover,
.button-light:hover {
  transform: translateY(-4px);
}

.button {
  background: var(--accent);
  color: #051011;
  box-shadow: 0 18px 44px rgba(67, 217, 198, 0.24);
}

.button-light,
.button-secondary {
  color: var(--ink);
  background: rgba(7, 16, 19, 0.42);
  border-color: rgba(139, 231, 222, 0.38);
}

.metrics-strip {
  margin-top: -76px;
  border-color: rgba(139, 231, 222, 0.24);
  background: rgba(7, 16, 19, 0.88);
  backdrop-filter: blur(18px);
}

.metric {
  position: relative;
  border-right-color: rgba(139, 231, 222, 0.18);
  overflow: hidden;
}

.metric::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 260ms ease;
}

.metric:hover::before {
  transform: scaleY(1);
}

.metric:hover {
  background: rgba(67, 217, 198, 0.07);
}

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

.metric span {
  color: var(--steel);
}

.section,
.section.alt {
  background: transparent;
}

.section {
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  left: max(16px, calc((100% - 1180px) / 2));
  right: max(16px, calc((100% - 1180px) / 2));
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 231, 222, 0.28), transparent);
}

.section-head {
  align-items: start;
  padding: 24px 0 0 24px;
  border-left: 1px solid rgba(139, 231, 222, 0.34);
}

.section-head h2,
.split-copy h2,
.feature-copy h2,
.article-body h1,
.article-body h2,
.page-hero h1 {
  color: var(--ink);
}

.section-head p,
.split-copy p,
.feature-copy p,
.article-body p,
.article-body li,
.page-hero p {
  color: var(--steel);
}

.product-grid.four {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.product-card {
  grid-column: span 6;
  display: grid;
  grid-template-columns: minmax(180px, 0.92fr) minmax(0, 1fr);
  min-height: 310px;
}

.product-card,
.blog-card,
.value-card,
.spec-card,
.contact-card,
.article-body,
.contact-form,
.kpi {
  position: relative;
  background: linear-gradient(180deg, rgba(13, 31, 35, 0.92), rgba(7, 16, 19, 0.92));
  border-color: rgba(139, 231, 222, 0.22);
  color: var(--ink);
  box-shadow: none;
}

.product-card::before,
.blog-card::before,
.value-card::before,
.spec-card::before,
.contact-card::before,
.article-body::before,
.contact-form::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(67, 217, 198, 0.16), transparent);
  transform: translateX(-105%);
  transition: transform 680ms ease;
}

.product-card:hover::before,
.blog-card:hover::before,
.value-card:hover::before,
.spec-card:hover::before,
.contact-card:hover::before,
.article-body:hover::before,
.contact-form:hover::before {
  transform: translateX(105%);
}

.product-card:hover,
.blog-card:hover,
.value-card:hover,
.spec-card:hover,
.contact-card:hover,
.kpi:hover {
  transform: translateY(-10px);
  border-color: rgba(67, 217, 198, 0.58);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.36);
}

.product-card > a,
.blog-card > a {
  overflow: hidden;
}

.product-card img {
  height: 100%;
  min-height: 310px;
  aspect-ratio: auto;
}

.product-card:hover img,
.blog-card:hover img,
.split-media:hover img,
.feature-media:hover img,
.article-cover:hover img {
  transform: scale(1.06);
  filter: saturate(1.02) contrast(1.12) brightness(0.84);
}

.product-card h2,
.product-card h3,
.blog-card h2,
.blog-card h3,
.value-card h3,
.spec-card h3,
.contact-card h3,
.kpi strong {
  color: var(--ink);
}

.product-card p,
.blog-card p,
.value-card p,
.spec-card p,
.contact-card p,
.kpi span {
  color: var(--steel);
}

.tag {
  border-radius: 2px;
  background: rgba(67, 217, 198, 0.12);
  color: var(--accent);
  border: 1px solid rgba(67, 217, 198, 0.2);
}

.tag:hover {
  background: rgba(67, 217, 198, 0.22);
  transform: translateY(-2px);
}

.tag.signal {
  background: rgba(225, 179, 88, 0.16);
  color: var(--signal);
  border-color: rgba(225, 179, 88, 0.28);
}

.card-link {
  color: var(--accent);
}

.card-link::after {
  content: ">";
  margin-left: 8px;
  transition: transform 180ms ease;
}

.card-link:hover::after {
  transform: translateX(5px);
}

.split,
.feature-band {
  gap: 66px;
}

.split-media img,
.feature-media img,
.article-cover img,
.article-body > img {
  border-radius: 2px;
  border-color: rgba(139, 231, 222, 0.24);
  box-shadow: 18px 18px 0 rgba(67, 217, 198, 0.08);
  transition: transform 420ms ease, filter 420ms ease, box-shadow 420ms ease;
}

.split-media:hover img,
.feature-media:hover img,
.article-cover:hover img {
  box-shadow: 24px 24px 0 rgba(67, 217, 198, 0.12);
}

.check-list li {
  color: var(--steel);
}

.check-list li::before {
  width: 10px;
  height: 2px;
  top: 0.8em;
}

.spec-table {
  background: rgba(7, 16, 19, 0.7);
  border-color: rgba(139, 231, 222, 0.2);
  border-radius: 2px;
}

.spec-table th,
.spec-table td {
  border-bottom-color: rgba(139, 231, 222, 0.16);
}

.spec-table th {
  color: var(--accent);
  background: rgba(67, 217, 198, 0.07);
}

.spec-table td {
  color: var(--steel);
}

.page-hero {
  min-height: 500px;
  background: #071013;
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 16, 19, 0.94), rgba(7, 16, 19, 0.5)),
    linear-gradient(180deg, rgba(7, 16, 19, 0.1), rgba(7, 16, 19, 0.9));
}

.page-hero .container {
  z-index: 2;
  padding-top: 118px;
  padding-bottom: 78px;
}

.filters {
  padding: 12px;
  border: 1px solid rgba(139, 231, 222, 0.18);
  background: rgba(7, 16, 19, 0.58);
}

.filter-button {
  border-radius: 2px;
  background: rgba(13, 31, 35, 0.8);
  border-color: rgba(139, 231, 222, 0.22);
  color: var(--steel);
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.filter-button.active,
.filter-button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #061012;
  transform: translateY(-2px);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  background: rgba(4, 10, 12, 0.72);
  border-color: rgba(139, 231, 222, 0.22);
  color: var(--ink);
}

.contact-form label {
  color: var(--ink);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(157, 177, 180, 0.62);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(67, 217, 198, 0.14);
}

.article-shell {
  align-items: stretch;
}

.article-body {
  border-radius: 2px;
}

.kpi {
  border-radius: 2px;
}

.timeline-item {
  border-bottom-color: rgba(139, 231, 222, 0.18);
}

.timeline-item strong {
  color: var(--accent);
}

.site-footer {
  background: #050a0c;
  border-top: 1px solid rgba(139, 231, 222, 0.2);
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 720ms ease var(--reveal-delay, 0ms), transform 720ms ease var(--reveal-delay, 0ms);
}

.split-media.reveal,
.feature-media.reveal,
.article-cover.reveal {
  transform: translateX(-34px);
}

.split-copy.reveal,
.feature-copy.reveal,
.article-body.reveal,
.contact-form.reveal {
  transform: translateX(34px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

@keyframes image-drift {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.08) translate3d(18px, -12px, 0);
  }
}

@keyframes text-slide-up {
  from {
    opacity: 0;
    transform: translateY(34px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes panel-slide-in {
  from {
    opacity: 0;
    transform: translateX(42px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 1040px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

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

  .hero-content::after {
    grid-column: 1;
    grid-row: auto;
  }

  .product-card {
    grid-column: span 12;
  }
}

@media (max-width: 760px) {
  .cursor-glow {
    display: none;
  }

  .nav-links {
    background: rgba(7, 16, 19, 0.96);
    border-color: rgba(139, 231, 222, 0.26);
  }

  .hero {
    min-height: 82svh;
  }

  .hero-content {
    padding: 78px 0 58px;
  }

  .hero-content::after {
    display: none;
  }

  .metrics-strip {
    margin-top: 0;
  }

  .metric {
    border-bottom-color: rgba(139, 231, 222, 0.18);
  }

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

  .product-card img {
    min-height: 0;
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .section-head {
    padding-left: 16px;
  }

  .split-media img,
  .feature-media img,
  .article-cover img,
  .article-body > img {
    box-shadow: 10px 10px 0 rgba(67, 217, 198, 0.08);
  }
}

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

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

/* Softer industrial finish */
:root {
  --ink: #18211f;
  --graphite: #26302e;
  --steel: #66736f;
  --muted: #7f8a86;
  --line: rgba(70, 91, 86, 0.18);
  --soft: #eef0ea;
  --white: #ffffff;
  --accent: #1fb9a6;
  --accent-dark: #0d766c;
  --signal: #ba8436;
  --shadow: 0 22px 55px rgba(31, 38, 35, 0.13);
}

body {
  color: var(--ink);
  background:
    linear-gradient(rgba(29, 43, 39, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 43, 39, 0.035) 1px, transparent 1px),
    #f2f3ef;
  background-size: 56px 56px;
}

body::before {
  background:
    linear-gradient(125deg, rgba(31, 185, 166, 0.12), transparent 36%),
    linear-gradient(305deg, rgba(186, 132, 54, 0.13), transparent 34%);
}

p,
.section-head p,
.split-copy p,
.feature-copy p,
.article-body p,
.article-body li,
.page-hero p,
.product-card p,
.blog-card p,
.value-card p,
.spec-card p,
.contact-card p,
.kpi span {
  color: var(--steel);
}

.cursor-glow {
  opacity: 0.18;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(31, 185, 166, 0.55) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgba(31, 185, 166, 0.55) 50%, transparent calc(50% + 1px));
}

.site-header {
  background: rgba(246, 247, 243, 0.9);
  border-bottom: 1px solid rgba(70, 91, 86, 0.15);
  box-shadow: 0 10px 36px rgba(31, 38, 35, 0.08);
}

.brand,
.nav-links {
  color: var(--ink);
}

.brand span {
  color: #66736f;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-dark);
}

.menu-toggle {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(70, 91, 86, 0.2);
  color: var(--ink);
}

.hero,
.page-hero {
  background: #dfe3dd;
}

.hero img,
.page-hero img {
  filter: saturate(0.88) contrast(1.02) brightness(0.9);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(244, 245, 241, 0.92) 0%, rgba(244, 245, 241, 0.78) 44%, rgba(244, 245, 241, 0.22) 100%),
    linear-gradient(180deg, rgba(244, 245, 241, 0.04) 0%, rgba(244, 245, 241, 0.88) 100%);
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(244, 245, 241, 0.92), rgba(244, 245, 241, 0.48)),
    linear-gradient(180deg, rgba(244, 245, 241, 0.08), rgba(244, 245, 241, 0.88));
}

.hero::after,
.page-hero::after {
  background:
    linear-gradient(rgba(31, 185, 166, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 185, 166, 0.08) 1px, transparent 1px);
}

.section-head h2,
.split-copy h2,
.feature-copy h2,
.article-body h1,
.article-body h2,
.product-card h2,
.product-card h3,
.blog-card h2,
.blog-card h3,
.value-card h3,
.spec-card h3,
.contact-card h3,
.kpi strong {
  color: var(--ink);
}

.hero h1,
.page-hero h1 {
  color: var(--ink);
  text-shadow: none;
}

.hero p {
  color: #34423f;
}

.hero-content::after {
  background: rgba(255, 255, 255, 0.68);
  border-color: rgba(31, 185, 166, 0.26);
  color: #3e4b48;
  box-shadow: var(--shadow);
}

.button {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 16px 36px rgba(31, 185, 166, 0.24);
}

.button-light,
.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
  border-color: rgba(70, 91, 86, 0.25);
}

.metrics-strip {
  border-color: rgba(70, 91, 86, 0.18);
  background: rgba(255, 255, 255, 0.84);
}

.metric {
  border-right-color: rgba(70, 91, 86, 0.14);
}

.metric:hover {
  background: rgba(31, 185, 166, 0.08);
}

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

.section::before {
  background: linear-gradient(90deg, transparent, rgba(70, 91, 86, 0.18), transparent);
}

.section-head {
  border-left-color: rgba(31, 185, 166, 0.38);
}

.product-card,
.blog-card,
.value-card,
.spec-card,
.contact-card,
.article-body,
.contact-form,
.kpi {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(239, 242, 237, 0.9));
  border-color: rgba(70, 91, 86, 0.16);
  color: var(--ink);
}

.product-card:hover,
.blog-card:hover,
.value-card:hover,
.spec-card:hover,
.contact-card:hover,
.kpi:hover {
  border-color: rgba(31, 185, 166, 0.42);
  box-shadow: 0 24px 58px rgba(31, 38, 35, 0.14);
}

.product-card::before,
.blog-card::before,
.value-card::before,
.spec-card::before,
.contact-card::before,
.article-body::before,
.contact-form::before {
  background: linear-gradient(90deg, transparent, rgba(31, 185, 166, 0.1), transparent);
}

.tag {
  background: rgba(31, 185, 166, 0.09);
  color: var(--accent-dark);
  border-color: rgba(31, 185, 166, 0.2);
}

.tag.signal {
  background: rgba(186, 132, 54, 0.12);
  color: #8a5e22;
  border-color: rgba(186, 132, 54, 0.2);
}

.card-link,
.eyebrow,
.hero-kicker,
.meta-label,
.timeline-item strong {
  color: var(--accent-dark);
}

.split-media img,
.feature-media img,
.article-cover img,
.article-body > img {
  border-color: rgba(70, 91, 86, 0.16);
  box-shadow: 16px 16px 0 rgba(70, 91, 86, 0.08);
}

.spec-table {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(70, 91, 86, 0.16);
}

.spec-table th {
  color: var(--accent-dark);
  background: rgba(31, 185, 166, 0.08);
}

.spec-table td {
  color: var(--steel);
}

.filters {
  border-color: rgba(70, 91, 86, 0.15);
  background: rgba(255, 255, 255, 0.56);
}

.filter-button {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(70, 91, 86, 0.18);
  color: var(--steel);
}

.filter-button.active,
.filter-button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(70, 91, 86, 0.2);
  color: var(--ink);
}

.contact-form label {
  color: var(--ink);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(102, 115, 111, 0.66);
}

.site-footer {
  background: #202927;
  border-top-color: rgba(31, 185, 166, 0.18);
}

.site-footer p,
.footer-grid a,
.footer-grid span,
.footer-bottom {
  color: rgba(240, 244, 242, 0.7);
}

.footer-grid h3 {
  color: #ffffff;
}

@media (max-width: 760px) {
  .nav-links {
    background: rgba(246, 247, 243, 0.97);
    border-color: rgba(70, 91, 86, 0.18);
  }

  .split-media.reveal,
  .feature-media.reveal,
  .article-cover.reveal,
  .split-copy.reveal,
  .feature-copy.reveal,
  .article-body.reveal,
  .contact-form.reveal {
    transform: translateY(30px);
  }
}

/* Final soft industrial palette and readability pass */
:root {
  --ink: #17201f;
  --graphite: #2f3b39;
  --steel: #5f6f70;
  --muted: #7e8b88;
  --line: rgba(64, 81, 78, 0.18);
  --soft: #eef1ed;
  --white: #ffffff;
  --accent: #1aa895;
  --accent-dark: #0d6f66;
  --accent-blue: #557f98;
  --accent-blue-dark: #315d73;
  --copper: #bd8650;
  --copper-dark: #8e6236;
  --fern: #7f9b71;
  --mist: #e6ece8;
  --cream: #f7f4ed;
  --shadow: 0 22px 54px rgba(31, 38, 35, 0.12);
}

body {
  background:
    radial-gradient(circle at 18% 12%, rgba(85, 127, 152, 0.17), transparent 28%),
    radial-gradient(circle at 83% 18%, rgba(189, 134, 80, 0.18), transparent 30%),
    linear-gradient(rgba(47, 59, 57, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 59, 57, 0.026) 1px, transparent 1px),
    #f1f3ef;
  background-size: auto, auto, 58px 58px, 58px 58px, auto;
}

body::before {
  background:
    linear-gradient(125deg, rgba(26, 168, 149, 0.1), transparent 38%),
    linear-gradient(305deg, rgba(127, 155, 113, 0.12), transparent 36%);
}

h1,
h2,
h3,
p,
li,
a,
span,
label,
th,
td,
button {
  overflow-wrap: break-word;
}

.hero,
.page-hero,
.hero-content,
.page-hero .container,
.split-copy,
.article-body,
.contact-form {
  min-width: 0;
}

.site-header {
  background: rgba(248, 249, 245, 0.93);
}

.hero,
.page-hero {
  background: #e8ece7;
}

.hero img,
.page-hero img {
  filter: saturate(0.9) contrast(1.02) brightness(0.94);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(250, 250, 246, 0.94) 0%, rgba(248, 249, 244, 0.82) 42%, rgba(248, 249, 244, 0.28) 100%),
    linear-gradient(180deg, rgba(241, 244, 239, 0.06) 0%, rgba(241, 244, 239, 0.9) 100%);
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(250, 250, 246, 0.94), rgba(248, 249, 244, 0.58)),
    linear-gradient(180deg, rgba(241, 244, 239, 0.08), rgba(241, 244, 239, 0.88));
}

.hero::after,
.page-hero::after {
  background:
    linear-gradient(rgba(85, 127, 152, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(189, 134, 80, 0.07) 1px, transparent 1px);
  background-size: 92px 92px;
}

.hero {
  min-height: clamp(540px, 72svh, 710px);
}

.hero-content {
  grid-template-columns: minmax(0, 0.76fr) minmax(240px, 0.24fr);
  gap: clamp(24px, 4vw, 46px);
  padding: clamp(70px, 9vw, 92px) 0 clamp(66px, 8vw, 84px);
}

.hero h1 {
  max-width: 760px;
  color: var(--ink);
  font-size: clamp(40px, 5.45vw, 70px);
  line-height: 1.08;
}

.page-hero h1 {
  color: var(--ink);
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
}

.hero p,
.page-hero p {
  color: #334240;
}

.hero-content::after {
  border-left: 4px solid var(--copper);
  border-color: rgba(85, 127, 152, 0.2);
  background: rgba(255, 255, 255, 0.72);
  color: #41504e;
}

.hero-kicker {
  border-left-color: var(--accent-blue);
}

.eyebrow,
.hero-kicker,
.meta-label {
  color: var(--accent-blue-dark);
}

.button {
  background: linear-gradient(135deg, var(--accent), #39bfae);
  color: #ffffff;
}

.button-light,
.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(85, 127, 152, 0.26);
  color: var(--graphite);
}

.metrics-strip {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(64, 81, 78, 0.16);
}

.metric:nth-child(1)::before {
  background: var(--accent);
}

.metric:nth-child(2)::before {
  background: var(--accent-blue);
}

.metric:nth-child(3)::before {
  background: var(--copper);
}

.metric:nth-child(4)::before {
  background: var(--fern);
}

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

.metric span {
  color: var(--steel);
}

.section.alt {
  background:
    linear-gradient(120deg, rgba(230, 236, 232, 0.84), rgba(247, 244, 237, 0.68));
}

.section.dark {
  background:
    linear-gradient(135deg, #25312f, #384340 58%, #3b342c);
  color: #f7f8f5;
}

.section.dark .section-head h2,
.section.dark .value-card h3 {
  color: #f7f8f5;
}

.section.dark .section-head p,
.section.dark .value-card p {
  color: rgba(247, 248, 245, 0.76);
}

.section.dark .eyebrow {
  color: #e1b478;
}

.section.dark .value-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.product-card,
.blog-card,
.spec-card,
.contact-card,
.article-body,
.contact-form,
.kpi {
  min-width: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 243, 0.92));
  border-color: rgba(64, 81, 78, 0.16);
}

.value-card {
  min-width: 0;
}

.product-card::after,
.blog-card::after,
.spec-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  pointer-events: none;
  background: var(--accent);
}

.product-card[data-category="loop"]::after {
  background: var(--accent-blue);
}

.product-card[data-category="gas"]::after {
  background: var(--copper);
}

.product-card[data-category="electric"]::after {
  background: var(--fern);
}

.blog-card:nth-child(1)::after {
  background: var(--accent);
}

.blog-card:nth-child(2)::after {
  background: var(--copper);
}

.blog-card:nth-child(3)::after {
  background: var(--accent-blue);
}

.tag {
  background: rgba(26, 168, 149, 0.09);
  color: var(--accent-dark);
  border-color: rgba(26, 168, 149, 0.22);
}

.product-card[data-category="loop"] .tag,
.blog-card:nth-child(3) .tag {
  background: rgba(85, 127, 152, 0.1);
  color: var(--accent-blue-dark);
  border-color: rgba(85, 127, 152, 0.22);
}

.product-card[data-category="gas"] .tag,
.tag.signal,
.blog-card:nth-child(2) .tag {
  background: rgba(189, 134, 80, 0.13);
  color: var(--copper-dark);
  border-color: rgba(189, 134, 80, 0.25);
}

.product-card[data-category="electric"] .tag {
  background: rgba(127, 155, 113, 0.13);
  color: #526d49;
  border-color: rgba(127, 155, 113, 0.25);
}

.card-link {
  color: var(--accent-blue-dark);
}

.split-media img,
.feature-media img,
.article-cover img,
.article-body > img {
  box-shadow: 14px 14px 0 rgba(85, 127, 152, 0.08);
}

.spec-table th {
  color: var(--accent-blue-dark);
  background: rgba(85, 127, 152, 0.09);
}

.filters {
  background: rgba(255, 255, 255, 0.66);
}

.filter-button.active,
.filter-button:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.footer-grid a {
  overflow-wrap: anywhere;
}

@media (max-width: 1040px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-content::after {
    grid-column: 1;
    width: min(420px, 100%);
  }
}

@media (max-width: 760px) {
  body,
  main,
  section {
    max-width: 100vw;
    overflow-x: clip;
  }

  .container,
  .nav,
  .hero-content,
  .page-hero .container,
  .metrics-strip {
    width: calc(100vw - 32px) !important;
    max-width: calc(100vw - 32px) !important;
    margin-left: auto;
    margin-right: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 54px 0 46px;
  }

  .hero h1 {
    max-width: min(330px, 100%);
    font-size: clamp(32px, 8.9vw, 38px);
    line-height: 1.12;
  }

  .hero p {
    width: min(330px, 100%);
    max-width: min(330px, 100%);
    font-size: 17px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    width: min(330px, 100%);
    max-width: min(330px, 100%);
  }

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

  .page-hero {
    min-height: 390px;
  }

  .page-hero .container {
    padding-top: 72px;
    padding-bottom: 54px;
  }

  .page-hero h1 {
    max-width: min(330px, 100%);
    font-size: clamp(31px, 8.8vw, 38px);
    line-height: 1.12;
  }

  .page-hero p {
    width: min(330px, 100%);
    max-width: min(330px, 100%);
    font-size: 16px;
  }

  .section-head h2,
  .split-copy h2,
  .feature-copy h2 {
    font-size: clamp(29px, 9vw, 40px);
  }

  .section-head,
  .feature-band,
  .split-copy,
  .feature-copy,
  .article-shell,
  .article-body,
  .product-card,
  .blog-card,
  .value-card,
  .spec-card,
  .contact-card,
  .contact-form {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .container.split,
  .container.article-shell {
    width: calc(100vw - 32px) !important;
    max-width: calc(100vw - 32px) !important;
    margin-left: auto;
    margin-right: auto;
  }

  .split-copy p,
  .feature-copy p,
  .section-head p,
  .article-body p,
  .contact-card p,
  .spec-card p,
  .value-card p,
  .product-card p,
  .blog-card p {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .product-card-body,
  .blog-card-body,
  .value-card,
  .spec-card,
  .contact-card {
    padding: 20px;
  }

  .contact-form {
    padding: 20px;
  }

  .hero-kicker,
  .eyebrow,
  .meta-label {
    letter-spacing: 0.1em;
  }
}

/* AKS engineering workstation redesign */
:root {
  --ink: #16201f;
  --graphite: #26312f;
  --steel: #596a6b;
  --muted: #788682;
  --line: rgba(49, 68, 66, 0.16);
  --soft: #edf1ed;
  --white: #ffffff;
  --accent: #238f86;
  --accent-dark: #116761;
  --accent-blue: #486f84;
  --accent-blue-dark: #284f62;
  --copper: #b97b4a;
  --copper-dark: #815332;
  --fern: #758d65;
  --ochre: #d4a54c;
  --mist: #e5ebe7;
  --cream: #f6f2ea;
  --shadow: 0 22px 58px rgba(27, 39, 37, 0.13);
  --shadow-lift: 0 32px 74px rgba(27, 39, 37, 0.17);
  --radius: 8px;
}

html {
  background: #f4f6f2;
}

body {
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(72, 111, 132, 0.11), transparent 30%),
    linear-gradient(310deg, rgba(185, 123, 74, 0.12), transparent 34%),
    linear-gradient(rgba(38, 49, 47, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 49, 47, 0.035) 1px, transparent 1px),
    #f4f6f2;
  background-size: auto, auto, 56px 56px, 56px 56px, auto;
}

body::before {
  background:
    radial-gradient(circle at 12% 18%, rgba(35, 143, 134, 0.16), transparent 24%),
    radial-gradient(circle at 88% 10%, rgba(212, 165, 76, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(244, 246, 242, 0.14));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(38, 49, 47, 0.08), transparent 1px) 0 0 / 160px 160px,
    linear-gradient(180deg, rgba(38, 49, 47, 0.06), transparent 1px) 0 0 / 160px 160px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), transparent 72%);
}

h1,
h2,
h3 {
  color: var(--ink);
  letter-spacing: 0;
}

p,
li {
  color: var(--steel);
}

img {
  transition: transform 520ms ease, filter 520ms ease;
}

.cursor-glow {
  width: 128px;
  height: 128px;
  opacity: 0.24;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(35, 143, 134, 0.7) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgba(185, 123, 74, 0.58) 50%, transparent calc(50% + 1px));
  mix-blend-mode: multiply;
}

.site-header {
  background: rgba(248, 249, 245, 0.86);
  border-bottom: 1px solid rgba(49, 68, 66, 0.13);
  box-shadow: 0 10px 32px rgba(27, 39, 37, 0.07);
}

.nav {
  min-height: 78px;
}

.brand {
  gap: 14px;
}

.brand img {
  width: 112px;
}

.brand span {
  max-width: 152px;
  color: var(--graphite);
  font-size: 11px;
  line-height: 1.28;
  letter-spacing: 0.12em;
}

.nav-links {
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(49, 68, 66, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.58);
}

.nav-links a {
  padding: 9px 13px;
  border-radius: 6px;
  color: var(--graphite);
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.nav-links a::after {
  content: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-dark);
  background: rgba(35, 143, 134, 0.11);
  transform: translateY(-1px);
}

.menu-toggle {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(49, 68, 66, 0.16);
}

.hero {
  min-height: clamp(640px, 80svh, 820px);
  align-items: stretch;
  background: #e9eeea;
}

.hero img,
.page-hero img {
  filter: saturate(0.92) contrast(1.04) brightness(0.98);
}

.hero img {
  position: absolute;
  left: min(44vw, 640px);
  top: 0;
  width: max(56vw, 760px);
  height: 100%;
  object-fit: cover;
  object-position: center;
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
  animation: image-drift 24s ease-in-out infinite alternate;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(246, 248, 244, 0.98) 0%, rgba(246, 248, 244, 0.96) 39%, rgba(246, 248, 244, 0.5) 62%, rgba(246, 248, 244, 0.08) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(238, 241, 237, 0.94));
}

.hero::after {
  background:
    linear-gradient(90deg, rgba(72, 111, 132, 0.13) 1px, transparent 1px),
    linear-gradient(180deg, rgba(185, 123, 74, 0.11) 1px, transparent 1px),
    linear-gradient(120deg, transparent 0 50%, rgba(35, 143, 134, 0.07) 50% 51%, transparent 51%);
  background-size: 86px 86px, 86px 86px, 36px 36px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.66), transparent 82%);
}

.hero-content {
  grid-template-columns: minmax(0, 0.7fr) minmax(250px, 0.3fr);
  align-content: center;
  align-items: end;
  min-height: inherit;
  gap: clamp(26px, 4vw, 56px);
  padding: 104px 0 96px;
}

.hero-content > * {
  grid-column: 1;
}

.hero-kicker {
  width: fit-content;
  padding: 8px 12px 8px 16px;
  border-left: 4px solid var(--accent-blue);
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-blue-dark);
}

.hero h1 {
  max-width: 720px;
  color: var(--ink);
  font-size: clamp(45px, 5.5vw, 74px);
  line-height: 1.02;
}

.hero p {
  max-width: 635px;
  color: #344340;
  font-size: clamp(17px, 1.8vw, 20px);
}

.hero-content::after {
  content: "PROCESS MAP\A Bright annealing line\A 750-1100 deg C\A 10-120 m/min\A O2 target <10 ppm";
  grid-column: 2;
  grid-row: 1 / span 4;
  align-self: end;
  min-height: 258px;
  padding: 26px 24px;
  border: 1px solid rgba(49, 68, 66, 0.16);
  border-left: 5px solid var(--copper);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(72, 111, 132, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 111, 132, 0.08) 1px, transparent 1px),
    rgba(255, 255, 255, 0.82);
  background-size: 22px 22px;
  color: #354541;
  box-shadow: var(--shadow);
  white-space: pre-line;
  font-size: 13px;
  font-weight: 820;
  line-height: 2.05;
  letter-spacing: 0.04em;
}

.button,
.button-secondary,
.button-light {
  min-height: 46px;
  border-radius: var(--radius);
  letter-spacing: 0;
}

.button {
  background: linear-gradient(135deg, #1d9087, #3aa99b);
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(35, 143, 134, 0.24);
}

.button:hover {
  background: linear-gradient(135deg, #11756f, #2c9a8f);
  box-shadow: 0 22px 44px rgba(35, 143, 134, 0.3);
}

.button-light,
.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(72, 111, 132, 0.22);
  color: var(--graphite);
}

.button-light:hover,
.button-secondary:hover {
  background: rgba(72, 111, 132, 0.1);
  border-color: rgba(72, 111, 132, 0.36);
  color: var(--accent-blue-dark);
}

.metrics-strip {
  width: min(1180px, calc(100% - 32px));
  margin: -70px auto 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.metric {
  min-height: 128px;
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.93), rgba(245, 248, 244, 0.88));
  box-shadow: 0 18px 46px rgba(27, 39, 37, 0.1);
  overflow: hidden;
}

.metric::before {
  width: auto;
  height: 5px;
  inset: 0 0 auto;
  transform: scaleX(0.22);
  transform-origin: left;
  background: var(--accent);
}

.metric::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 16px;
  width: 52px;
  height: 34px;
  border-right: 1px solid rgba(49, 68, 66, 0.14);
  border-bottom: 1px solid rgba(49, 68, 66, 0.14);
  opacity: 0.7;
}

.metric:hover {
  transform: translateY(-7px);
  background: #ffffff;
  box-shadow: var(--shadow-lift);
}

.metric:hover::before {
  transform: scaleX(1);
}

.metric:nth-child(1)::before {
  background: var(--accent);
}

.metric:nth-child(2)::before {
  background: var(--accent-blue);
}

.metric:nth-child(3)::before {
  background: var(--copper);
}

.metric:nth-child(4)::before {
  background: var(--fern);
}

.metric strong {
  color: var(--ink);
  font-size: clamp(26px, 3.2vw, 40px);
}

.metric span {
  max-width: 180px;
  color: var(--steel);
}

.section {
  padding: clamp(82px, 9vw, 118px) 0;
}

.section::before {
  background: linear-gradient(90deg, transparent, rgba(72, 111, 132, 0.18), rgba(185, 123, 74, 0.16), transparent);
}

.section.alt {
  background:
    linear-gradient(135deg, rgba(230, 236, 232, 0.8), rgba(246, 242, 234, 0.78)),
    linear-gradient(rgba(72, 111, 132, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 111, 132, 0.055) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
}

.section.dark {
  background:
    linear-gradient(135deg, rgba(38, 49, 47, 0.98), rgba(64, 72, 66, 0.96)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: auto, 72px 72px;
}

.section-head {
  grid-template-columns: minmax(0, 0.92fr) minmax(260px, 0.58fr);
  align-items: end;
  gap: clamp(24px, 5vw, 74px);
  padding: 0;
  border: 0;
}

.section-head > div {
  position: relative;
  padding-left: 22px;
}

.section-head > div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 6px;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(var(--accent-blue), var(--copper));
}

.section-head h2 {
  max-width: 700px;
  font-size: clamp(31px, 4.2vw, 56px);
}

.section-head p {
  align-self: stretch;
  padding: 20px 0 0 22px;
  border-left: 1px solid rgba(49, 68, 66, 0.14);
  color: var(--steel);
}

.eyebrow,
.hero-kicker,
.meta-label {
  color: var(--accent-blue-dark);
  letter-spacing: 0.12em;
}

.product-grid.four {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.product-card {
  position: relative;
  grid-column: span 6;
  display: grid;
  grid-template-columns: minmax(210px, 0.92fr) minmax(0, 1fr);
  min-height: 334px;
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 34px rgba(27, 39, 37, 0.08);
  overflow: hidden;
}

.product-card:nth-child(1) {
  grid-column: span 7;
}

.product-card:nth-child(2) {
  grid-column: span 5;
  grid-template-columns: 1fr;
}

.product-card:nth-child(3) {
  grid-column: span 5;
  grid-template-columns: 1fr;
}

.product-card:nth-child(4) {
  grid-column: span 7;
}

.product-grid.is-filtered .product-card {
  grid-column: span 6;
  grid-template-columns: minmax(210px, 0.92fr) minmax(0, 1fr);
}

.product-card::after,
.blog-card::after,
.spec-card::after {
  width: 5px;
}

.product-card::before,
.blog-card::before,
.value-card::before,
.spec-card::before,
.contact-card::before,
.article-body::before,
.contact-form::before {
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.55), transparent);
}

.product-card > a,
.blog-card > a {
  min-height: 100%;
  background: #dde4df;
}

.product-card img {
  width: 100%;
  height: 100%;
  min-height: 292px;
  aspect-ratio: auto;
  object-fit: cover;
}

.product-card:nth-child(2) img,
.product-card:nth-child(3) img {
  min-height: 214px;
  aspect-ratio: 16 / 9;
}

.product-card-body,
.blog-card-body {
  position: relative;
  z-index: 1;
  padding: clamp(22px, 3vw, 32px);
}

.product-card h2,
.product-card h3,
.blog-card h2,
.blog-card h3 {
  font-size: clamp(21px, 2vw, 27px);
  line-height: 1.12;
}

.product-card p,
.blog-card p {
  color: #5c6a68;
  font-size: 14.5px;
}

.product-card:hover,
.blog-card:hover,
.value-card:hover,
.spec-card:hover,
.contact-card:hover,
.kpi:hover {
  transform: translateY(-8px);
  border-color: rgba(35, 143, 134, 0.34);
  box-shadow: var(--shadow-lift);
}

.product-card:hover img,
.blog-card:hover img,
.split-media:hover img,
.feature-media:hover img,
.article-cover:hover img {
  transform: scale(1.045);
  filter: saturate(1.02) contrast(1.06) brightness(1.01);
}

.tag {
  min-height: 28px;
  border-radius: 999px;
  background: rgba(35, 143, 134, 0.1);
  color: var(--accent-dark);
  border: 1px solid rgba(35, 143, 134, 0.18);
  transition: transform 180ms ease, background-color 180ms ease;
}

.tag.signal {
  background: rgba(185, 123, 74, 0.15);
  color: var(--copper-dark);
  border-color: rgba(185, 123, 74, 0.24);
}

.card-link {
  color: var(--accent-blue-dark);
}

.card-link:hover {
  color: var(--accent-dark);
}

.split {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 6vw, 78px);
}

.split-copy {
  position: relative;
}

.split-copy h2,
.feature-copy h2,
.article-body h2 {
  line-height: 1.08;
}

.split-copy p,
.feature-copy p {
  color: #52615f;
}

.split-media,
.feature-media,
.article-cover {
  position: relative;
}

.split-media::before,
.feature-media::before,
.article-cover::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid rgba(72, 111, 132, 0.18);
  border-radius: var(--radius);
  pointer-events: none;
}

.split-media::after,
.feature-media::after,
.article-cover::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 28px;
  width: 92px;
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--copper));
}

.split-media img,
.feature-media img,
.article-cover img,
.article-body > img {
  border-radius: var(--radius);
  border: 1px solid rgba(49, 68, 66, 0.14);
  box-shadow: 14px 14px 0 rgba(72, 111, 132, 0.09);
}

.feature-band {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  gap: clamp(34px, 6vw, 74px);
  align-items: stretch;
}

.feature-copy {
  align-self: center;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 42px rgba(27, 39, 37, 0.08);
}

.blog-grid.three {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.blog-card {
  grid-column: span 4;
  display: grid;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  overflow: hidden;
}

.blog-card:nth-child(1) {
  grid-column: span 5;
}

.blog-card:nth-child(2) {
  grid-column: span 4;
  transform: translateY(32px);
}

.blog-card:nth-child(3) {
  grid-column: span 3;
}

.blog-card:nth-child(2):hover {
  transform: translateY(24px);
}

.blog-card img {
  aspect-ratio: 16 / 10;
}

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

.value-card,
.spec-card,
.contact-card,
.kpi,
.article-body,
.contact-form {
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 248, 244, 0.9));
  box-shadow: 0 14px 34px rgba(27, 39, 37, 0.07);
}

.spec-card,
.value-card,
.contact-card {
  padding: clamp(22px, 3vw, 30px);
}

.spec-card:nth-child(1),
.value-card:nth-child(1),
.contact-card:nth-child(1) {
  border-top: 5px solid var(--accent);
}

.spec-card:nth-child(2),
.value-card:nth-child(2),
.contact-card:nth-child(2) {
  border-top: 5px solid var(--accent-blue);
}

.spec-card:nth-child(3),
.value-card:nth-child(3),
.contact-card:nth-child(3) {
  border-top: 5px solid var(--copper);
}

.section.dark .value-card {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.section.dark .value-card:nth-child(1) {
  border-top-color: #55beb2;
}

.section.dark .value-card:nth-child(2) {
  border-top-color: #7da2b7;
}

.section.dark .value-card:nth-child(3) {
  border-top-color: #d5a163;
}

.check-list li {
  padding-left: 28px;
  color: #52615f;
}

.check-list li::before {
  top: 0.72em;
  width: 13px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--copper));
}

.spec-table {
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 32px rgba(27, 39, 37, 0.06);
}

.spec-table th,
.spec-table td {
  border-bottom-color: rgba(49, 68, 66, 0.12);
}

.spec-table th {
  color: var(--accent-blue-dark);
  background: rgba(72, 111, 132, 0.09);
}

.spec-table td {
  color: #52615f;
}

.page-hero {
  min-height: 440px;
  background: #e9eeea;
}

.page-hero img {
  left: min(45vw, 620px);
  width: max(55vw, 700px);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  object-position: center;
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(246, 248, 244, 0.98), rgba(246, 248, 244, 0.92) 45%, rgba(246, 248, 244, 0.34) 74%, rgba(246, 248, 244, 0.08)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(238, 241, 237, 0.92));
}

.page-hero::after {
  background:
    linear-gradient(90deg, rgba(72, 111, 132, 0.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(185, 123, 74, 0.1) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.62), transparent 82%);
}

.page-hero .container {
  padding: 104px 0 72px;
}

.page-hero h1 {
  max-width: 710px;
  color: var(--ink);
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.06;
}

.page-hero p {
  max-width: 620px;
  color: #344340;
  font-size: 18px;
}

.filters {
  width: fit-content;
  max-width: 100%;
  padding: 8px;
  margin-bottom: 34px;
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 12px 30px rgba(27, 39, 37, 0.06);
}

.filter-button {
  border-radius: 6px;
  border-color: transparent;
  background: transparent;
  color: var(--graphite);
  transition: transform 180ms ease, color 180ms ease, background-color 180ms ease;
}

.filter-button.active,
.filter-button:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
  transform: translateY(-1px);
}

.article-shell {
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
  gap: clamp(32px, 5vw, 68px);
}

main.section.alt {
  background:
    linear-gradient(135deg, rgba(230, 236, 232, 0.86), rgba(246, 242, 234, 0.76)),
    #f4f6f2;
}

.article-cover {
  top: 108px;
}

.article-cover img {
  aspect-ratio: 4 / 5;
}

.article-body {
  padding: clamp(28px, 4vw, 52px);
}

.article-body h1 {
  max-width: 760px;
  font-size: clamp(36px, 4.4vw, 58px);
  line-height: 1.06;
}

.article-body .lead {
  color: #4c5d5b;
  font-size: 18px;
}

.article-body h2 {
  padding-top: 18px;
  border-top: 1px solid rgba(49, 68, 66, 0.12);
  font-size: clamp(26px, 3vw, 35px);
}

.kpi-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.kpi {
  position: relative;
  padding: 18px 16px;
  overflow: hidden;
}

.kpi::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent);
}

.kpi:nth-child(2)::before {
  background: var(--accent-blue);
}

.kpi:nth-child(3)::before {
  background: var(--copper);
}

.kpi:nth-child(4)::before {
  background: var(--fern);
}

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

.kpi span {
  color: var(--steel);
}

.contact-form {
  position: relative;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(24px, 3vw, 34px);
}

.contact-form label {
  color: var(--graphite);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  border-color: rgba(49, 68, 66, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.78);
}

.contact-form input:hover,
.contact-form textarea:hover,
.contact-form select:hover {
  border-color: rgba(72, 111, 132, 0.34);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(35, 143, 134, 0.13);
}

.timeline {
  position: relative;
  margin-top: 36px;
  gap: 0;
  border: 1px solid rgba(49, 68, 66, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
  overflow: hidden;
}

.timeline-item {
  grid-template-columns: 120px minmax(0, 1fr);
  padding: 22px 24px;
  border-bottom: 1px solid rgba(49, 68, 66, 0.12);
}

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

.timeline-item strong {
  color: var(--accent-blue-dark);
}

.site-footer {
  background:
    linear-gradient(135deg, #202b29, #303a37 62%, #3a342e);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid {
  gap: clamp(24px, 4vw, 44px);
}

.footer-grid img {
  filter: brightness(0) invert(1);
}

.footer-grid h3 {
  color: #ffffff;
}

.footer-grid a:hover {
  color: #76d0c6;
}

.reveal {
  transform: translateY(44px);
}

.metric.reveal:nth-child(2),
.product-card.reveal:nth-child(2),
.blog-card.reveal:nth-child(2),
.spec-card.reveal:nth-child(2),
.value-card.reveal:nth-child(2) {
  transition-delay: calc(var(--reveal-delay, 0ms) + 80ms);
}

.metric.reveal:nth-child(3),
.product-card.reveal:nth-child(3),
.blog-card.reveal:nth-child(3),
.spec-card.reveal:nth-child(3),
.value-card.reveal:nth-child(3) {
  transition-delay: calc(var(--reveal-delay, 0ms) + 130ms);
}

.metric.reveal:nth-child(4),
.product-card.reveal:nth-child(4),
.value-card.reveal:nth-child(4) {
  transition-delay: calc(var(--reveal-delay, 0ms) + 180ms);
}

@media (max-width: 1180px) {
  .hero img,
  .page-hero img {
    left: 48vw;
    width: 62vw;
  }

  .product-card,
  .product-card:nth-child(1),
  .product-card:nth-child(4),
  .product-grid.is-filtered .product-card {
    grid-column: span 6;
    grid-template-columns: 1fr;
  }

  .product-card:nth-child(2),
  .product-card:nth-child(3) {
    grid-column: span 6;
  }

  .product-card img,
  .product-card:nth-child(2) img,
  .product-card:nth-child(3) img {
    min-height: 230px;
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 1040px) {
  .nav-links {
    gap: 2px;
  }

  .hero {
    min-height: auto;
  }

  .hero img,
  .page-hero img {
    left: 0;
    width: 100%;
    clip-path: none;
    opacity: 0.28;
  }

  .hero::before,
  .page-hero::before {
    background: linear-gradient(90deg, rgba(246, 248, 244, 0.97), rgba(246, 248, 244, 0.88));
  }

  .hero-content {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 88px 0 76px;
  }

  .hero-content::after {
    grid-column: 1;
    grid-row: auto;
    width: min(460px, 100%);
    min-height: 0;
  }

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

  .section-head,
  .split,
  .feature-band,
  .article-shell {
    grid-template-columns: 1fr;
  }

  .blog-card,
  .blog-card:nth-child(1),
  .blog-card:nth-child(2),
  .blog-card:nth-child(3) {
    grid-column: span 4;
    transform: none;
  }

  .blog-card:nth-child(2):hover {
    transform: translateY(-8px);
  }

  .article-cover {
    position: static;
  }

  .split-media::before,
  .feature-media::before,
  .article-cover::before,
  .split-media::after,
  .feature-media::after,
  .article-cover::after {
    display: none;
  }

  .article-cover img {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 820px) {
  .product-grid.four,
  .blog-grid.three,
  .value-grid.three,
  .spec-grid.three {
    grid-template-columns: 1fr;
  }

  .product-card,
  .product-card:nth-child(1),
  .product-card:nth-child(2),
  .product-card:nth-child(3),
  .product-card:nth-child(4),
  .product-grid.is-filtered .product-card,
  .blog-card,
  .blog-card:nth-child(1),
  .blog-card:nth-child(2),
  .blog-card:nth-child(3) {
    grid-column: 1;
  }
}

@media (max-width: 760px) {
  .cursor-glow {
    display: none;
  }

  .nav {
    min-height: 66px;
  }

  .brand img {
    width: 96px;
  }

  .nav-links {
    top: 66px;
    left: 16px;
    right: 16px;
    gap: 4px;
    padding: 10px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
  }

  .nav-links a {
    padding: 12px;
  }

  .container,
  .nav,
  .hero-content,
  .page-hero .container,
  .metrics-strip,
  .container.split,
  .container.article-shell {
    width: calc(100vw - 32px) !important;
    max-width: calc(100vw - 32px) !important;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 58px 0 46px;
    gap: 22px;
  }

  .hero-content::after {
    display: none;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(36px, 10.4vw, 44px);
    line-height: 1.08;
  }

  .hero p {
    width: 100%;
    max-width: 100%;
    font-size: 16px;
  }

  .hero-actions {
    width: 100%;
    max-width: 100%;
  }

  .page-hero {
    min-height: auto;
  }

  .page-hero .container {
    padding-top: 70px;
    padding-bottom: 58px;
  }

  .page-hero h1 {
    max-width: 100%;
    font-size: clamp(34px, 9.6vw, 42px);
    line-height: 1.08;
  }

  .page-hero p {
    width: 100%;
    max-width: 100%;
    font-size: 16px;
  }

  .metrics-strip {
    margin-top: 0;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .metric {
    min-height: auto;
    padding: 22px;
  }

  .section {
    padding: 68px 0;
  }

  .section-head {
    gap: 18px;
    margin-bottom: 30px;
  }

  .section-head > div {
    padding-left: 16px;
  }

  .section-head h2,
  .split-copy h2,
  .feature-copy h2 {
    font-size: clamp(29px, 8.6vw, 38px);
  }

  .section-head p {
    padding: 0;
    border-left: 0;
  }

  .product-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .product-card img,
  .product-card:nth-child(2) img,
  .product-card:nth-child(3) img {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .product-card-body,
  .blog-card-body,
  .value-card,
  .spec-card,
  .contact-card {
    padding: 20px;
  }

  .split-media::before,
  .feature-media::before,
  .article-cover::before,
  .split-media::after,
  .feature-media::after,
  .article-cover::after {
    display: none;
  }

  .feature-copy {
    padding: 22px;
  }

  .filters {
    width: 100%;
  }

  .filter-button {
    flex: 1 1 auto;
  }

  .kpi-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-form .full {
    grid-column: auto;
  }

  .article-body {
    padding: 24px 20px;
  }

  .article-body h1 {
    font-size: clamp(32px, 9vw, 40px);
  }

  .spec-table {
    display: block;
    overflow-x: auto;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 20px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .hero h1,
  .page-hero h1,
  .section-head h2,
  .split-copy h2,
  .feature-copy h2,
  .article-body h1 {
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .hero-kicker,
  .eyebrow,
  .meta-label {
    letter-spacing: 0.08em;
  }
}

/* Motion safety: keep content readable before scroll observers run. */
.reveal,
.split-media.reveal,
.feature-media.reveal,
.article-cover.reveal,
.split-copy.reveal,
.feature-copy.reveal,
.article-body.reveal,
.contact-form.reveal {
  opacity: 1;
  transform: translateY(24px);
}

.reveal.is-visible,
.split-media.reveal.is-visible,
.feature-media.reveal.is-visible,
.article-cover.reveal.is-visible,
.split-copy.reveal.is-visible,
.feature-copy.reveal.is-visible,
.article-body.reveal.is-visible,
.contact-form.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (max-width: 820px) {
  .reveal,
  .split-media.reveal,
  .feature-media.reveal,
  .article-cover.reveal,
  .split-copy.reveal,
  .feature-copy.reveal,
  .article-body.reveal,
  .contact-form.reveal {
    transform: translateY(18px);
  }

  .reveal.is-visible,
  .split-media.reveal.is-visible,
  .feature-media.reveal.is-visible,
  .article-cover.reveal.is-visible,
  .split-copy.reveal.is-visible,
  .feature-copy.reveal.is-visible,
  .article-body.reveal.is-visible,
  .contact-form.reveal.is-visible {
    transform: translate3d(0, 0, 0);
  }
}

/* Designer mineral colorway */
:root {
  --ink: #141a1d;
  --graphite: #26302f;
  --steel: #586462;
  --muted: #7a837f;
  --line: rgba(37, 47, 49, 0.15);
  --soft: #eceee6;
  --white: #fffdf7;
  --accent: #3f7d70;
  --accent-dark: #225d55;
  --accent-blue: #294f7a;
  --accent-blue-dark: #18395e;
  --copper: #be6147;
  --copper-dark: #85402e;
  --fern: #a6ad43;
  --ochre: #d2ae45;
  --mist: #e4e8dd;
  --cream: #f5efe1;
  --shadow: 0 24px 62px rgba(26, 35, 36, 0.13);
  --shadow-lift: 0 34px 82px rgba(26, 35, 36, 0.18);
}

html {
  background: #f2f1e9;
}

body {
  background:
    radial-gradient(circle at 8% 12%, rgba(41, 79, 122, 0.18), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(190, 97, 71, 0.18), transparent 26%),
    linear-gradient(135deg, rgba(166, 173, 67, 0.12), transparent 36%),
    linear-gradient(rgba(37, 47, 49, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 47, 49, 0.04) 1px, transparent 1px),
    #f2f1e9;
  background-size: auto, auto, auto, 58px 58px, 58px 58px, auto;
}

body::before {
  background:
    linear-gradient(115deg, rgba(255, 253, 247, 0.84), rgba(255, 253, 247, 0.28) 42%, transparent),
    radial-gradient(circle at 22% 18%, rgba(63, 125, 112, 0.16), transparent 24%),
    radial-gradient(circle at 78% 70%, rgba(210, 174, 69, 0.14), transparent 30%);
}

body::after {
  background:
    linear-gradient(90deg, rgba(41, 79, 122, 0.09), transparent 1px) 0 0 / 168px 168px,
    linear-gradient(180deg, rgba(190, 97, 71, 0.07), transparent 1px) 0 0 / 168px 168px;
}

p,
li {
  color: #4f5c59;
}

.cursor-glow {
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(41, 79, 122, 0.72) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgba(190, 97, 71, 0.58) 50%, transparent calc(50% + 1px));
}

.site-header {
  background: rgba(251, 249, 240, 0.88);
  border-bottom-color: rgba(41, 79, 122, 0.13);
}

.nav-links {
  background:
    linear-gradient(135deg, rgba(255, 253, 247, 0.84), rgba(245, 239, 225, 0.7));
  border-color: rgba(41, 79, 122, 0.14);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-blue-dark);
  background:
    linear-gradient(135deg, rgba(41, 79, 122, 0.13), rgba(63, 125, 112, 0.1));
}

.hero,
.page-hero {
  background:
    linear-gradient(135deg, #f1efe5, #e9ece4);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(250, 248, 238, 0.98) 0%, rgba(250, 248, 238, 0.95) 38%, rgba(250, 248, 238, 0.55) 62%, rgba(250, 248, 238, 0.1) 100%),
    linear-gradient(180deg, rgba(41, 79, 122, 0.07), rgba(242, 241, 233, 0.94));
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(250, 248, 238, 0.98), rgba(250, 248, 238, 0.92) 45%, rgba(250, 248, 238, 0.36) 74%, rgba(250, 248, 238, 0.1)),
    linear-gradient(180deg, rgba(41, 79, 122, 0.07), rgba(242, 241, 233, 0.92));
}

.hero::after,
.page-hero::after {
  background:
    linear-gradient(90deg, rgba(41, 79, 122, 0.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(190, 97, 71, 0.1) 1px, transparent 1px),
    linear-gradient(120deg, transparent 0 50%, rgba(166, 173, 67, 0.08) 50% 51%, transparent 51%);
  background-size: 86px 86px, 86px 86px, 38px 38px;
}

.hero-kicker {
  border-left-color: var(--accent-blue);
  color: var(--accent-blue-dark);
  background: rgba(255, 253, 247, 0.74);
}

.hero p,
.page-hero p,
.split-copy p,
.feature-copy p,
.article-body .lead {
  color: #35423f;
}

.hero-content::after {
  border-left-color: var(--copper);
  border-top: 4px solid var(--accent-blue);
  background:
    linear-gradient(rgba(41, 79, 122, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(190, 97, 71, 0.06) 1px, transparent 1px),
    rgba(255, 253, 247, 0.82);
  color: #33423f;
}

.button {
  background:
    linear-gradient(135deg, #244d79 0%, #3f7d70 62%, #9a8f38 100%);
  color: #ffffff;
  box-shadow: 0 16px 38px rgba(41, 79, 122, 0.22);
}

.button:hover {
  background:
    linear-gradient(135deg, #18395e 0%, #2f6b61 62%, #8a7d2e 100%);
  box-shadow: 0 24px 52px rgba(41, 79, 122, 0.28);
}

.button-light,
.button-secondary {
  background: rgba(255, 253, 247, 0.76);
  border-color: rgba(41, 79, 122, 0.22);
  color: #273231;
}

.button-light:hover,
.button-secondary:hover {
  background: rgba(41, 79, 122, 0.1);
  border-color: rgba(41, 79, 122, 0.36);
}

.eyebrow,
.meta-label {
  color: var(--accent-blue-dark);
}

.section.alt {
  background:
    linear-gradient(135deg, rgba(228, 232, 221, 0.84), rgba(245, 239, 225, 0.8)),
    linear-gradient(rgba(41, 79, 122, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(190, 97, 71, 0.045) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}

.section-head > div::before {
  background: linear-gradient(var(--accent-blue), var(--copper) 58%, var(--ochre));
}

.section-head p {
  border-left-color: rgba(190, 97, 71, 0.18);
}

.section.dark {
  background:
    linear-gradient(135deg, #222c31 0%, #293630 56%, #46382d 100%),
    linear-gradient(90deg, rgba(255, 253, 247, 0.055) 1px, transparent 1px);
}

.section.dark .eyebrow {
  color: #e0bc5a;
}

.metric,
.product-card,
.blog-card,
.value-card,
.spec-card,
.contact-card,
.kpi,
.article-body,
.contact-form {
  background:
    linear-gradient(180deg, rgba(255, 253, 247, 0.96), rgba(246, 240, 226, 0.9));
  border-color: rgba(37, 47, 49, 0.14);
}

.metric:nth-child(1)::before,
.product-card[data-category="loop"]::after,
.blog-card:nth-child(1)::after,
.spec-card:nth-child(1)::after {
  background: var(--accent-blue);
}

.metric:nth-child(2)::before,
.blog-card:nth-child(3)::after {
  background: var(--accent);
}

.metric:nth-child(3)::before,
.product-card[data-category="gas"]::after,
.blog-card:nth-child(2)::after {
  background: var(--copper);
}

.metric:nth-child(4)::before,
.product-card[data-category="electric"]::after {
  background: var(--fern);
}

.metric:hover,
.product-card:hover,
.blog-card:hover,
.value-card:hover,
.spec-card:hover,
.contact-card:hover,
.kpi:hover {
  border-color: rgba(190, 97, 71, 0.28);
  box-shadow: var(--shadow-lift);
}

.product-card::before,
.blog-card::before,
.value-card::before,
.spec-card::before,
.contact-card::before,
.article-body::before,
.contact-form::before {
  background: linear-gradient(110deg, transparent, rgba(210, 174, 69, 0.24), transparent);
}

.tag {
  background: rgba(41, 79, 122, 0.1);
  color: var(--accent-blue-dark);
  border-color: rgba(41, 79, 122, 0.18);
}

.product-card[data-category="loop"] .tag,
.blog-card:nth-child(3) .tag {
  background: rgba(63, 125, 112, 0.11);
  color: var(--accent-dark);
  border-color: rgba(63, 125, 112, 0.2);
}

.product-card[data-category="gas"] .tag,
.tag.signal,
.blog-card:nth-child(2) .tag {
  background: rgba(190, 97, 71, 0.13);
  color: var(--copper-dark);
  border-color: rgba(190, 97, 71, 0.24);
}

.product-card[data-category="electric"] .tag {
  background: rgba(166, 173, 67, 0.14);
  color: #626820;
  border-color: rgba(166, 173, 67, 0.28);
}

.card-link {
  color: var(--copper-dark);
}

.card-link:hover {
  color: var(--accent-blue-dark);
}

.split-media::after,
.feature-media::after,
.article-cover::after {
  background: linear-gradient(90deg, var(--accent-blue), var(--copper), var(--ochre));
}

.split-media img,
.feature-media img,
.article-cover img,
.article-body > img {
  box-shadow: 14px 14px 0 rgba(190, 97, 71, 0.1);
}

.feature-copy {
  background:
    linear-gradient(180deg, rgba(255, 253, 247, 0.78), rgba(245, 239, 225, 0.72));
}

.spec-card:nth-child(1),
.value-card:nth-child(1),
.contact-card:nth-child(1) {
  border-top-color: var(--accent-blue);
}

.spec-card:nth-child(2),
.value-card:nth-child(2),
.contact-card:nth-child(2) {
  border-top-color: var(--accent);
}

.spec-card:nth-child(3),
.value-card:nth-child(3),
.contact-card:nth-child(3) {
  border-top-color: var(--copper);
}

.section.dark .value-card:nth-child(1) {
  border-top-color: #6d8eb3;
}

.section.dark .value-card:nth-child(2) {
  border-top-color: #68a190;
}

.section.dark .value-card:nth-child(3) {
  border-top-color: #d58a6d;
}

.check-list li::before {
  background: linear-gradient(90deg, var(--accent-blue), var(--copper), var(--ochre));
}

.spec-table {
  background: rgba(255, 253, 247, 0.82);
}

.spec-table th {
  color: var(--accent-blue-dark);
  background: rgba(41, 79, 122, 0.09);
}

.filters {
  background:
    linear-gradient(135deg, rgba(255, 253, 247, 0.78), rgba(245, 239, 225, 0.74));
  border-color: rgba(41, 79, 122, 0.13);
}

.filter-button.active,
.filter-button:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.kpi::before {
  background: var(--accent-blue);
}

.kpi:nth-child(2)::before {
  background: var(--accent);
}

.kpi:nth-child(3)::before {
  background: var(--copper);
}

.kpi:nth-child(4)::before {
  background: var(--fern);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  background: rgba(255, 253, 247, 0.82);
  border-color: rgba(37, 47, 49, 0.15);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 4px rgba(190, 97, 71, 0.13);
}

.site-footer {
  background:
    linear-gradient(135deg, #1f292d 0%, #293630 58%, #49392d 100%);
}

.footer-grid a:hover {
  color: #e0bc5a;
}

@media (max-width: 760px) {
  .nav-links {
    background:
      linear-gradient(135deg, rgba(255, 253, 247, 0.97), rgba(245, 239, 225, 0.96));
  }
}

/* Single-product focus */
.product-grid.single-product {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 1040px;
  margin: 0 auto;
}

.product-grid.single-product .product-card,
.product-grid.single-product .product-card:nth-child(1),
.product-grid.single-product .product-card:nth-child(2),
.product-grid.single-product .product-card:nth-child(3),
.product-grid.single-product .product-card:nth-child(4) {
  grid-column: 1;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1fr);
  min-height: 420px;
}

.product-grid.single-product .product-card img,
.product-grid.single-product .product-card:nth-child(2) img,
.product-grid.single-product .product-card:nth-child(3) img {
  min-height: 420px;
  aspect-ratio: auto;
}

.product-grid.single-product .product-card h2,
.product-grid.single-product .product-card h3 {
  max-width: 560px;
  font-size: clamp(28px, 3.5vw, 44px);
}

.product-grid.single-product .product-card p {
  max-width: 600px;
  font-size: 16px;
}

@media (max-width: 820px) {
  .product-grid.single-product .product-card,
  .product-grid.single-product .product-card:nth-child(1),
  .product-grid.single-product .product-card:nth-child(2),
  .product-grid.single-product .product-card:nth-child(3),
  .product-grid.single-product .product-card:nth-child(4) {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .product-grid.single-product .product-card img,
  .product-grid.single-product .product-card:nth-child(2) img,
  .product-grid.single-product .product-card:nth-child(3) img {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }
}
