/* ── Metal Hero ── */
.hero--metal {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: center;
  background: url('https://images.unsplash.com/photo-1518709766631-a6a7f45921c3?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-2xl);
}
.hero--metal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(var(--color-primary-dark-rgb), 0.78) 0%, rgba(var(--color-primary-rgb), 0.65) 50%, rgba(var(--color-secondary-rgb), 0.40) 100%);
  z-index: 1;
}
.hero--metal::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  z-index: 1;
  pointer-events: none;
}
.hero--metal .container {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.hero--metal .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}
.hero--metal .breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-base);
}
.hero--metal .breadcrumb a:hover { color: var(--color-accent); }
.hero--metal .breadcrumb-sep { margin: 0 var(--space-xs); opacity: 0.5; }
.hero--metal .eyebrow-label {
  display: inline-block;
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.hero--metal h1 {
  color: #fff;
  font-size: var(--fs-h1);
  font-family: var(--font-heading);
  line-height: 1.1;
  margin-bottom: var(--space-md);
  text-wrap: balance;
}
.hero--metal h1 .text-accent {
  font-family: var(--font-accent);
  color: var(--color-accent);
}
.hero--metal .hero-answer {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 60ch;
}
.hero--metal .hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.hero--metal .trust-row {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
}
.hero--metal .trust-row span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.hero--metal .trust-row i,
.hero--metal .trust-row svg { width: 16px; height: 16px; color: var(--color-accent); }

/* ── SVG Divider: Peaks ── */
.divider-peaks {
  position: relative;
  margin-top: -2px;
  line-height: 0;
}
.divider-peaks svg {
  display: block;
  width: 100%;
  height: 55px;
}

/* ── SVG Divider: Tilt ── */
.divider-tilt {
  position: relative;
  margin-top: -2px;
  line-height: 0;
}
.divider-tilt svg {
  display: block;
  width: 100%;
  height: 50px;
}

/* ── Metal Overview (Split Reverse) ── */
.metal-overview {
  padding: var(--section-pad);
  background: var(--color-bg);
}
.metal-overview .split-reverse {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.metal-overview h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  text-wrap: balance;
}
.metal-overview .answer-block {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}
.metal-overview .body-prose {
  color: var(--color-text);
  font-size: var(--fs-body);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 60ch;
}
.metal-overview .highlight-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.metal-overview .stat-box {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.metal-overview .stat-box .stat-val {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.metal-overview .stat-box .stat-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.3;
}
.metal-overview .img-stack {
  position: relative;
}
.metal-overview .img-stack .img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.metal-overview .img-stack .img-main img {
  width: 100%;
  display: block;
  object-fit: cover;
}
.metal-overview .img-stack .img-inset {
  position: absolute;
  bottom: -24px;
  left: -24px;
  width: 45%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--color-bg);
}
.metal-overview .img-stack .img-inset img {
  width: 100%;
  display: block;
  object-fit: cover;
}

/* ── Panel Types Section ── */
.metal-panels {
  padding: var(--section-pad);
  background: var(--color-bg-alt);
  position: relative;
}
.metal-panels .section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}
.metal-panels .section-title h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  text-wrap: balance;
}
.metal-panels .answer-block {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 60ch;
  margin: 0 auto;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}
.panels-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}
.panel-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}
.panel-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.panel-card .panel-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.panel-card .panel-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.panel-card:hover .panel-img img { transform: scale(1.05); }
.panel-card .panel-body {
  padding: var(--space-lg);
}
.panel-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.panel-card p {
  color: var(--color-text-light);
  font-size: var(--fs-body);
  line-height: 1.65;
  margin-bottom: var(--space-md);
}
.panel-card .panel-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.panel-card .panel-specs span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-xl);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.panel-card .panel-specs span i,
.panel-card .panel-specs span svg {
  width: 12px;
  height: 12px;
  color: var(--color-accent);
}

/* ── Process Section ── */
.metal-process {
  padding: var(--section-pad);
  background: var(--color-bg);
}
.metal-process .section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}
.metal-process .section-title h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  text-wrap: balance;
}
.metal-process .answer-block {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 60ch;
  margin: 0 auto;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}
.metal-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}
.metal-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 3px;
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
  z-index: 0;
  border-radius: 2px;
}
.metal-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.metal-step-num {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.3);
  border: 3px solid var(--color-bg);
}
.metal-step h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.metal-step p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  max-width: 22ch;
  margin: 0 auto;
}

/* ── Why Choose Section ── */
.metal-why {
  padding: var(--section-pad);
  background: var(--color-bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.metal-why::before {
  content: '';
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.06) 0%, transparent 70%);
  top: -120px;
  right: -120px;
  pointer-events: none;
}
.metal-why .section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}
.metal-why .section-title h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  color: #fff;
  margin-bottom: var(--space-md);
  text-wrap: balance;
}
.metal-why .answer-block {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  max-width: 60ch;
  margin: 0 auto;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}
.metal-why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}
.metal-why-card {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition-base), transform var(--transition-base);
}
.metal-why-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.metal-why-card i,
.metal-why-card svg {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  color: var(--color-accent);
}
.metal-why-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
}
.metal-why-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ── FAQ Section ── */
.metal-faq {
  padding: var(--section-pad);
  background: var(--color-bg-alt);
}
.metal-faq .section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}
.metal-faq .section-title h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  color: var(--color-primary);
  text-wrap: balance;
}
.metal-faq .faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.metal-faq .faq-item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}
.metal-faq .faq-item:hover { box-shadow: var(--shadow-md); }
.metal-faq .faq-question {
  padding: var(--space-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-primary);
  font-weight: 600;
  list-style: none;
}
.metal-faq .faq-question::-webkit-details-marker { display: none; }
.metal-faq .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.metal-faq details[open] .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}
.metal-faq .faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  font-size: var(--fs-body);
  line-height: 1.7;
  max-width: 65ch;
}

/* ── CTA Banner ── */
.metal-cta {
  padding: var(--section-pad);
  background: radial-gradient(ellipse at 70% 20%, rgba(var(--color-accent-rgb), 0.15) 0%, transparent 55%),
              linear-gradient(140deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.metal-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}
.metal-cta .container { position: relative; z-index: 1; max-width: 700px; }
.metal-cta h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  margin-bottom: var(--space-md);
  text-wrap: balance;
}
.metal-cta p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}
.metal-cta .hero-ctas {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── Related Services ── */
.metal-related {
  padding: var(--section-pad);
  background: var(--color-bg);
}
.metal-related .section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.metal-related .section-title h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  color: var(--color-primary);
  text-wrap: balance;
}
.metal-related .services-grid {
  max-width: 1000px;
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .metal-overview .split-reverse { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .metal-overview .highlight-stats { grid-template-columns: repeat(3, 1fr); }
  .panels-compare { grid-template-columns: 1fr; }
  .metal-steps { grid-template-columns: repeat(2, 1fr); }
  .metal-steps::before { display: none; }
  .metal-why-grid { grid-template-columns: 1fr; }
  .metal-overview .img-stack .img-inset { display: none; }
}
@media (max-width: 600px) {
  .hero--metal { min-height: 45vh; }
  .hero--metal .hero-ctas { flex-direction: column; }
  .metal-overview .highlight-stats { grid-template-columns: 1fr; }
  .metal-steps { grid-template-columns: 1fr; }
  .metal-related .services-grid { grid-template-columns: 1fr; }
}