.heating-page {
  --red: #c74722;
  --gold: #e0792a;
  --text: #20303b;
  --muted: #687782;
  --line: rgba(199, 71, 34, .16);
  --soft: #f7f3ed;
  --hero-nav-offset: 138px;
  --heat-red: #c74722;
  --heat-orange: #e0792a;
  --heat-deep: #172935;
  --heat-blue: #29475a;
  --heat-cream: #fbf6ee;
  --heat-tint: #fff1e3;
  --heat-line: rgba(199, 71, 34, .16);
  --heat-shadow: 0 18px 42px rgba(32, 48, 59, .1);
  background: #fff;
}

.heating-page .section:not(.hero) .eyebrow {
  color: var(--heat-red);
}

.heating-page .section:not(.hero) .eyebrow::before,
.heating-page .section-title h2::after {
  background: linear-gradient(90deg, var(--heat-red), rgba(224, 121, 42, .18));
}

.heating-page .section-title {
  max-width: 820px;
}

.heating-page h1,
.heating-page h2,
.heating-page h3 {
  color: var(--text);
}

.heating-page .hero::after {
  background:
    linear-gradient(90deg, rgba(15, 30, 42, .64), rgba(15, 30, 42, .18) 48%, rgba(15, 30, 42, 0)),
    linear-gradient(180deg, rgba(15, 30, 42, .22), rgba(15, 30, 42, .06));
}

.heating-page .hero-copy {
  max-width: 560px;
  margin-left: 34px;
  color: #fff;
  background: rgba(20, 38, 50, .9);
  border-left: 4px solid var(--heat-orange);
  box-shadow: 0 26px 56px rgba(0, 0, 0, .24);
  backdrop-filter: blur(6px);
}

.heating-page .hero-copy .crumb,
.heating-page .hero-copy .lead,
.heating-page .stat span {
  color: rgba(255, 255, 255, .78);
}

.heating-page .hero-copy h1,
.heating-page .hero-copy .eyebrow {
  color: #fff;
}

.heating-page .hero-copy .eyebrow::before {
  background: var(--heat-orange);
}

.heating-page .hero-copy .btn-primary {
  background: var(--heat-red);
  border-color: var(--heat-red);
}

.heating-page .hero-copy .btn-light {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, .62);
}

.heating-page .stat {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .16);
}

.heating-page .stat strong {
  color: #fff;
}

.heating-page .heat-overview {
  padding-top: 88px;
  background:
    radial-gradient(circle at 92% 8%, rgba(224, 121, 42, .14), transparent 28%),
    linear-gradient(180deg, #fff, var(--heat-cream));
}

.heating-page .intro-grid {
  grid-template-columns: 1.08fr .92fr;
  gap: 26px;
}

.heating-page .intro-panel {
  padding: 46px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 41, 53, .98), rgba(42, 71, 90, .94)),
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
  border: 0;
  box-shadow: var(--heat-shadow);
}

.heating-page .intro-panel h2 {
  max-width: 680px;
  margin-bottom: 18px;
  color: #fff;
  font-size: 34px;
  line-height: 1.25;
}

.heating-page .intro-panel p {
  color: rgba(255, 255, 255, .78);
}

.heating-page .heat-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 28px 0 24px;
}

.heating-page .heat-metrics article {
  padding: 16px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
}

.heating-page .heat-metrics strong,
.heating-page .heat-metrics span {
  display: block;
}

.heating-page .heat-metrics strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: 18px;
}

.heating-page .heat-metrics span {
  color: rgba(255, 255, 255, .68);
  font-size: 13px;
  line-height: 1.55;
}

.heating-page .tag {
  color: #fff;
  background: rgba(224, 121, 42, .18);
  border: 1px solid rgba(224, 121, 42, .28);
}

.heating-page .scene-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  background: #fff;
  border: 1px solid var(--heat-line);
  box-shadow: var(--heat-shadow);
}

.heating-page .scene-item {
  padding: 30px 28px;
  background: #fff;
  border: 0;
  border-right: 1px solid var(--heat-line);
  border-bottom: 1px solid var(--heat-line);
}

.heating-page .scene-item:nth-child(2n) {
  border-right: 0;
}

.heating-page .scene-item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.heating-page .scene-item b,
.heating-page .icon {
  color: #fff;
  background: linear-gradient(135deg, var(--heat-red), var(--heat-orange));
}

.heating-page .scene-item h3 {
  color: var(--text);
}

.heating-page .heat-pressure {
  background:
    linear-gradient(180deg, var(--heat-cream), #fff);
}

.heating-page .heat-pressure .cards {
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.heating-page .heat-pressure .card,
.heating-page .heat-advantage .card {
  position: relative;
  padding: 26px 22px;
  overflow: hidden;
  border-color: var(--heat-line);
  box-shadow: 0 12px 30px rgba(32, 48, 59, .06);
}

.heating-page .heat-pressure .card::after,
.heating-page .heat-advantage .card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(224, 121, 42, .14), transparent 68%);
}

.heating-page .heat-system {
  background:
    linear-gradient(180deg, #fff 0%, #fff 38%, var(--heat-cream) 38%, var(--heat-cream) 100%);
}

.heating-page .heat-system-layout {
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: stretch;
}

.heating-page .heat-system .solution-box {
  padding: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--heat-line);
  box-shadow: var(--heat-shadow);
}

.heating-page .heat-system .solution-box .eyebrow,
.heating-page .heat-system .solution-box h2,
.heating-page .heat-system .solution-box p {
  margin-right: 34px;
  margin-left: 34px;
}

.heating-page .heat-system .solution-box .eyebrow {
  margin-top: 34px;
}

.heating-page .heat-system .solution-box h2 {
  max-width: 680px;
  margin-bottom: 14px;
  font-size: 34px;
  line-height: 1.25;
}

.heating-page .heat-system .solution-box p {
  color: var(--muted);
}

.heating-page .heat-system .solution-diagram {
  width: 100%;
  margin-top: 24px;
  background: #fff;
  border-top: 1px solid rgba(32, 48, 59, .08);
}

.heating-page .heat-system .form-card {
  padding: 34px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 41, 53, .98), rgba(41, 71, 90, .94)),
    radial-gradient(circle at 92% 10%, rgba(224, 121, 42, .2), transparent 28%);
  border: 0;
  box-shadow: var(--heat-shadow);
}

.heating-page .heat-system .form-card h2 {
  color: #fff;
  font-size: 30px;
}

.heating-page .heat-system .check-list li {
  color: rgba(255, 255, 255, .78);
  background: rgba(255, 255, 255, .08);
  border-left-color: var(--heat-orange);
}

.heating-page .heat-products {
  background:
    linear-gradient(180deg, var(--heat-cream), #fff);
}

.heating-page .heating-product-grid {
  gap: 16px;
}

.heating-page .product-card {
  position: relative;
  padding: 20px;
  border-color: var(--heat-line);
  box-shadow: 0 12px 30px rgba(32, 48, 59, .06);
  transition: .25s ease;
}

.heating-page .product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(199, 71, 34, .32);
  box-shadow: 0 18px 38px rgba(32, 48, 59, .1);
}

.heating-page .product-img {
  height: 138px;
  background:
    radial-gradient(circle at 70% 26%, rgba(224, 121, 42, .12), transparent 30%),
    linear-gradient(180deg, #fff, var(--heat-tint));
  border-bottom-color: var(--heat-line);
}

.heating-page .product-card small {
  color: var(--heat-red);
  background: rgba(199, 71, 34, .08);
}

.heating-page .product-card h3 {
  font-size: 20px;
}

.heating-page .spec-list li {
  border-left-color: rgba(199, 71, 34, .24);
}

.heating-page .heat-process {
  background:
    linear-gradient(90deg, rgba(199, 71, 34, .06), transparent 34%),
    #fff;
}

.heating-page .flow-chart {
  gap: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--heat-line);
  box-shadow: var(--heat-shadow);
}

.heating-page .flow-step {
  min-height: 168px;
  padding: 24px 18px;
  border: 0;
  border-right: 1px solid var(--heat-line);
}

.heating-page .flow-step:last-child {
  border-right: 0;
}

.heating-page .flow-step:not(:last-child)::after {
  display: none;
}

.heating-page .flow-step b {
  width: auto;
  height: auto;
  margin-bottom: 14px;
  color: var(--heat-red);
  background: transparent;
  border-radius: 0;
  font-size: 24px;
  line-height: 1;
}

.heating-page .flow-step h3 {
  font-size: 17px;
}

.heating-page .flow-step p {
  line-height: 1.55;
}

.heating-page .heat-advantage {
  background:
    radial-gradient(circle at 8% 12%, rgba(224, 121, 42, .12), transparent 26%),
    var(--heat-cream);
}

.heating-page .advantage-grid {
  gap: 16px;
}

.heating-page .heat-case {
  background: #fff;
}

.heating-page .case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.heating-page .case-card {
  display: flex;
  min-height: 100%;
  overflow: hidden;
  flex-direction: column;
  background: #fff;
  border-color: var(--heat-line);
  box-shadow: 0 14px 32px rgba(32, 48, 59, .08);
}

.heating-page .case-card--featured {
  grid-row: auto;
  min-height: 100%;
}

.heating-page .case-img,
.heating-page .case-grid .case-card:not(.case-card--featured) .case-img {
  position: relative;
  height: 214px;
}

.heating-page .case-img {
  background: var(--heat-tint);
}

.heating-page .case-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.heating-page .case-tag {
  color: var(--heat-red);
  background: rgba(199, 71, 34, .08);
}

.heating-page .case-body h3 {
  font-size: 20px;
}

.heating-page .case-body p {
  color: var(--muted);
  line-height: 1.65;
}

.heating-page .case-meta li {
  border-left-color: rgba(199, 71, 34, .34);
}

.heating-page #message.section-soft {
  background: linear-gradient(135deg, var(--heat-deep), var(--heat-blue));
}

.heating-page #message .contact-panel,
.heating-page #message .form-card {
  background: rgba(255, 255, 255, .97);
  border-color: rgba(255, 255, 255, .18);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .14);
}

.heating-page .contact-item {
  display: flex;
  padding: 0;
  align-items: center;
  gap: 12px;
  border-bottom: 0;
}

.heating-page .contact-item span {
  flex: 0 0 72px;
  color: var(--heat-red);
  font-weight: 700;
}

.heating-page .field:focus,
.heating-page textarea:focus {
  border-color: var(--heat-red);
  box-shadow: 0 0 0 3px rgba(199, 71, 34, .12);
}

.heating-page .site-footer {
  background: var(--heat-deep);
  color: rgba(255, 255, 255, .72);
}

@media (max-width: 1100px) {
  .heating-page .intro-grid,
  .heating-page .heat-system-layout {
    grid-template-columns: 1fr;
  }

  .heating-page .heat-pressure .cards,
  .heating-page .heating-product-grid,
  .heating-page .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .heating-page .case-card--featured {
    grid-row: auto;
  }
}

@media (max-width: 980px) {
  .heating-page {
    --hero-nav-offset: 120px;
  }

  .heating-page .hero-copy {
    margin-left: 0;
  }

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

  .heating-page .flow-step {
    border-right: 1px solid var(--heat-line);
    border-bottom: 1px solid var(--heat-line);
  }
}

@media (max-width: 640px) {
  .heating-page {
    --hero-nav-offset: 104px;
  }

  .heating-page .hero {
    min-height: calc(560px + var(--hero-nav-offset));
    padding-bottom: 42px;
  }

  .heating-page .hero-copy {
    padding: 24px;
  }

  .heating-page .intro-panel,
  .heating-page .heat-system .form-card {
    padding: 24px;
  }

  .heating-page .intro-panel h2,
  .heating-page .heat-system .solution-box h2 {
    font-size: 24px;
  }

  .heating-page .heat-metrics,
  .heating-page .scene-list,
  .heating-page .heat-pressure .cards,
  .heating-page .heating-product-grid,
  .heating-page .advantage-grid,
  .heating-page .case-grid,
  .heating-page .flow-chart {
    grid-template-columns: 1fr;
  }

  .heating-page .scene-item,
  .heating-page .scene-item:nth-child(2n),
  .heating-page .scene-item:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--heat-line);
  }

  .heating-page .scene-item:last-child {
    border-bottom: 0;
  }

  .heating-page .heat-system .solution-box .eyebrow,
  .heating-page .heat-system .solution-box h2,
  .heating-page .heat-system .solution-box p {
    margin-right: 22px;
    margin-left: 22px;
  }

  .heating-page .flow-step {
    min-height: auto;
    padding: 16px;
    border-right: 0;
  }
}


a.case-card {
  color: inherit;
  text-decoration: none;
}

a.case-card:hover {
  color: inherit;
}
