/* ============================================================
   liquifire-chains.css
   LiquiFire Chains platform page
   Depends on: global.css (tokens, reset, .wrap, nav, footer)
   ============================================================ */


/* ============================================================
   1. SHARED COMPONENTS (not in home.css on inner pages)
   ============================================================ */

.btn-primary,
.btn-white {
  display: inline-block;
  font-family: var(--f-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, opacity 0.18s, transform 0.1s;
}
.btn-primary {
  padding: 11px 28px;
  background: var(--navy);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(12,31,61,.2), 0 4px 16px rgba(12,31,61,.16);--amber:#f59e0b;}
.btn-primary:hover  { background: var(--navy-mid);--amber:#f59e0b;}
.btn-primary:active { transform: scale(0.98); }

.btn-white {
  padding: 12px 28px;
  background: #fafaf8;
  color: var(--navy);
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.btn-white:hover  { opacity: 0.93; }
.btn-white:active { transform: scale(0.98); }

.section-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 10px;
}

.section-header {
  margin-bottom: 48px;
}
.section-header h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin-bottom: 14px;
}
.section-header p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-600);
  max-width: 560px;
}

/* Depth cards */
.depth-card {
  background: var(--off-white);
  border: 1px solid var(--warm-200);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.22s, transform 0.22s;
}
.depth-card:hover {
  box-shadow: 0 12px 40px rgba(12,31,61,.09);
  transform: translateY(-3px);
}
.depth-card-body {
  padding: 28px 32px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.depth-card > .depth-tag,
.depth-card > h3,
.depth-card > p,
.depth-card > .depth-card-lead {
  padding-left: 32px;
  padding-right: 32px;
}
.depth-card > .depth-tag  { padding-top: 28px; }
.depth-card > p:last-child { padding-bottom: 32px; }

.depth-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid var(--warm-300);
  color: var(--ink-500);
  background: var(--warm-50);
  margin-bottom: 12px;
}
.depth-card h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink-900);
  margin-bottom: 8px;
}
.depth-card-lead {
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-700);
  margin-bottom: 10px;
}
.depth-card-body > p,
.depth-card > p:not(.depth-card-lead) {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-600);
}
.depth-card-body code {
  font-family: var(--f-mono);
  font-size: 11.5px;
  background: var(--warm-100);
  color: var(--amber);
  padding: 1px 6px;
  border-radius: 3px;
}


/* ============================================================
   2. REVEAL ANIMATION
   ============================================================ */
.rv {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.rv.v   { opacity: 1; transform: none; }
.rv.d1  { transition-delay: 0.1s; }
.rv.d2  { transition-delay: 0.2s; }
.rv.d3  { transition-delay: 0.3s; }







/* ============================================================
   4. STATS BAR — navy band immediately after hero
   ============================================================ */
.chains-stats-bar {
  background: var(--navy);
  padding: 0;--amber:#f59e0b;}
.chains-stats-inner {
  display: flex;
  align-items: stretch;
}
.chains-stat-item {
  flex: 1;
  padding: 40px 48px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.chains-stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
  margin: 24px 0;
}
.chains-stat-num {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #f5f4f0;
}
.chains-stat-label {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(245,244,240,0.65);
  flex: 1;
}
.chains-stat-src {
  font-family: var(--f-mono);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,244,240,0.3);
}

/* Third stat — the positive payoff — visually distinguished */
.chains-stat-item:last-child {
  border-left: 2px solid rgba(180,83,9,0.5);
  padding-left: 46px;
  margin-left: -2px;
}
.chains-stat-item:last-child .chains-stat-num {
  color: #d97706;
}


/* ============================================================
   5. CODE CARD — dark syntax panel
   ============================================================ */
.chains-code-card {
  background: var(--ink-900);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-width: 0;--amber:#f59e0b;}
.chains-code-url {
  font-size: 11px;
  word-break: break-all;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.chains-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.chains-code-header--dark {
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.chains-code-filename {
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(245,244,240,0.65);
}
.chains-code-label {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245,244,240,0.3);
  white-space: nowrap;
  margin-left: 16px;
}
.chains-code-body {
  padding: 20px 24px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(245,244,240,0.85);
}
.chains-code-body--sm {
  font-size: 11.5px;
  padding: 16px 20px;
  line-height: 1.6;
}
.chains-code-body--dark {
  padding: 12px 24px;
  line-height: 1.7;
}
.chains-prod-block .chains-code-body--dark {
  white-space: pre;
  min-width: max-content;
  line-height: 1.55;
  font-size: 12px;
  padding: 10px 24px 12px;
}
.chains-code-divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 0;
}
.chains-code-note {
  padding: 10px 24px 16px;
  font-size: 12px;
  font-weight: 300;
  line-height: 1.5;
  color: rgba(245,244,240,0.4);
}

/* Syntax token colours */
.cc-kw  { color: #60a5fa; }
.cc-str { color: #86efac; }
.cc-val { color: #fbbf24; }
.cc-var { color: #f472b6; }
.cc-fn  { color: #a78bfa; }
.cc-cm  { color: rgba(245,244,240,0.28); font-style: italic; }

/* Capability tag pills */
.chains-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.chains-tag {
  font-family: var(--f-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink-500);
  background: var(--warm-100);
  border: 1px solid var(--warm-200);
  border-radius: 4px;
  padding: 4px 10px;
}


/* ============================================================
   6. SECTION: chains-what — white, two-col
   ============================================================ */
.chains-what {
  padding: 104px 0;
  background: var(--warm-50);
}
.chains-what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.chains-what-grid > * {
  min-width: 0;
}
.chains-what-text h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.08;
  color: var(--ink-900);
  margin: 12px 0 18px;
}
.chains-what-text p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
  margin-bottom: 16px;
}


/* ============================================================
   7. SECTION: chains-modes — text only, two-item layout
   ============================================================ */
.chains-modes {
  padding: 80px 0;
  background: var(--white);
  border-top: 1px solid var(--warm-200);
  border-bottom: 1px solid var(--warm-200);
}
.chains-modes-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}
.chains-modes-intro h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.1;
  color: var(--ink-900);
  margin: 12px 0 16px;
}
.chains-modes-intro p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-500);
}
.chains-modes-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.chains-modes-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--warm-200);
}
.chains-modes-item:last-child {
  border-bottom: 1px solid var(--warm-200);
}
.chains-modes-item-num {
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  padding-top: 4px;
}
.chains-modes-item h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.2;
  color: var(--ink-900);
  margin-bottom: 8px;
}
.chains-modes-item p {
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
}
.chains-modes-footer {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-400);
  text-align: center;
  max-width: 560px;
  margin: 32px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--warm-200);
}
@media (max-width: 1024px) {
  .chains-modes-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 640px) {
  .chains-modes { padding: 52px 0; }
  .chains-modes-item { gap: 14px; padding: 24px 0; }
}

/* ============================================================
   8. SECTION: chains-domains — white, 2×2 grid
   ============================================================ */
.chains-domains {
  padding: 104px 0;
  background: var(--warm-50);
}
.chains-domains-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--warm-100);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.chains-domain-card {
  background: var(--white);
  padding: 36px 32px;
  transition: background 0.18s;
}
.chains-domain-card:hover {
  background: var(--warm-50);
}
.chains-domain-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}
.chains-domain-card h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ink-900);
  margin-bottom: 10px;
}
.chains-domain-card p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
}


/* ============================================================
   9. SECTION: chains-statement — navy, centred
   ============================================================ */
.chains-statement {
  padding: 104px 0;
  background: var(--navy);--amber:#f59e0b;}
.chains-statement-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.chains-stmt-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
}
.chains-stmt-light {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(20px, 2.6vw, 32px);
  line-height: 1.2;
  color: rgba(245,244,240,0.5);
  margin-bottom: 8px;
}
.chains-stmt-bold {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.1;
  color: #f5f4f0;
  margin-bottom: 32px;
}
.chains-stmt-body {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(245,244,240,0.75);
  text-align: left;
}


/* ============================================================
   10a. SECTION: chains-outcomes — warm-50, four outcome cards
   NEW: covers Lance / Isabelle / Dave / Uma
   ============================================================ */
.chains-outcomes {
  padding: 104px 0;
  background: var(--warm-50);
}
.chains-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.chains-outcome-card {
  background: var(--white);
  border: 1px solid var(--warm-200);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 0.22s, transform 0.22s;
}
.chains-outcome-card:hover {
  box-shadow: 0 8px 28px rgba(12,31,61,.07);
  transform: translateY(-2px);
}
.chains-outcome-icon {
  width: 36px;
  height: 36px;
  color: var(--amber);
  flex-shrink: 0;
}
.chains-outcome-icon svg {
  width: 100%;
  height: 100%;
}
.chains-outcome-card h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ink-900);
  margin: 0;
}
.chains-outcome-card p {
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-600);
  flex: 1;
}
.chains-outcome-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  padding-top: 8px;
  border-top: 1px solid var(--warm-100);
}

@media (max-width: 1024px) {
  .chains-outcomes-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}
@media (max-width: 768px) {
  .chains-outcomes { padding: 64px 0; }
  .chains-outcomes-grid { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 480px) {
  .chains-outcomes { padding: 52px 0; }
}


/* ============================================================
   10b. SECTION: chains-ornaments — apparel label preview
   ============================================================ */
.chains-ornament-apparel-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.chains-ornament-swatch-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.chains-ornament-label-preview {
  width: 100%;
  height: 56px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.chains-label-brand {
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.chains-label-size {
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 13px;
  line-height: 1;
  letter-spacing: -0.01em;
}


/* ============================================================
   10c. Security callout — inside chains-integration
   ============================================================ */
.chains-security-callout {
  margin-top: 48px;
  background: var(--navy);
  border-radius: var(--r-xl);
  overflow: hidden;--amber:#f59e0b;}
.chains-security-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  padding: 40px 48px;
}
.chains-security-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 10px;
}
.chains-security-text h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.15;
  color: #f5f4f0;
  margin-bottom: 12px;
}
.chains-security-text p {
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(245,244,240,0.75);
  max-width: 580px;
}
.chains-security-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.chains-security-badge {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-md);
  padding: 8px 16px;
  text-align: center;
}
.chains-security-badge--accent {
  background: rgba(180,83,9,0.12);
  border-color: rgba(180,83,9,0.25);
}
.chains-security-badge-label {
  font-family: var(--f-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245,244,240,0.7);
}
.chains-security-badge--accent .chains-security-badge-label {
  color: var(--amber);
}

@media (max-width: 768px) {
  .chains-security-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px 24px;
  }
  .chains-security-badges { flex-direction: row; flex-wrap: wrap; }
}


/* ============================================================
   10d. TCO positive stat cell variant
   ============================================================ */
.chains-tco-stat-cell--positive {
  background: rgba(21,128,61,0.04);
  border-left: 2px solid rgba(21,128,61,0.3);
}
.chains-tco-stat-cell--positive .chains-tco-stat-num {
  color: var(--green);
}
   10e. CTA dual buttons
   ============================================================ */

/* ============================================================
   10f. HC overrides for new sections
   ============================================================ */
body.hc .chains-security-callout { background: #00102a;--amber:#f59e0b;}
body.hc .chains-security-text h3 { color: #ffffff; }
body.hc .chains-security-text p  { color: rgba(255,255,255,0.8); }
body.hc .chains-outcome-card { background: var(--warm-50); }


/* ============================================================
   10g. Responsive additions for new sections
   ============================================================ */
@media (max-width: 768px) {
  .chains-integration { padding: 64px 0; }
}
@media (max-width: 480px) {
  .chains-integration { padding: 52px 0; }
}


/* ============================================================
   10. SECTION: chains-compose — warm-50, three depth cards
   ============================================================ */
.chains-compose {
  padding: 104px 0;
  background: var(--white);
}
.chains-compose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}


/* ============================================================
   11. SECTION: chains-ornaments — warm-50, two-col
   ============================================================ */
.chains-ornaments {
  padding: 104px 0;
  background: var(--warm-50);
}
.chains-ornaments-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.chains-ornaments-text h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.08;
  color: var(--ink-900);
  margin: 12px 0 18px;
}
.chains-ornaments-text p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
  margin-bottom: 16px;
}
.chains-code-card--ornament {
  margin-bottom: 20px;
}

/* Door variant demo */
.chains-ornaments-demo {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.chains-ornament-variants {
  background: var(--warm-50);
  border: 1px solid var(--warm-200);
  border-radius: var(--r-lg);
  padding: 20px;
}
.chains-ornament-variants-label {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.chains-ornament-attr {
  display: block;
  font-family: var(--f-mono);
  font-size: 8px;
  color: var(--ink-500);
  text-align: center;
  line-height: 1.4;
}


/* ============================================================
   12. SECTION: chains-foundation — warm-50, two-col
   ============================================================ */
.chains-foundation {
  padding: 104px 0;
  background: var(--white);
}
.chains-foundation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.chains-foundation-text h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.08;
  color: var(--ink-900);
  margin: 12px 0 18px;
}
.chains-foundation-text p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
  margin-bottom: 16px;
}
.chains-foundation-examples {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--warm-200);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.chains-foundation-item {
  background: var(--white);
  padding: 13px 20px;
  display: grid;
  grid-template-columns: 80px 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  align-items: baseline;
  transition: background 0.15s;
}
.chains-foundation-item:hover {
  background: var(--warm-50);
}
.chains-foundation-item-tag {
  grid-row: 1;
  grid-column: 1;
  font-family: var(--f-mono);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--amber);
}
.chains-foundation-item-name {
  grid-row: 1;
  grid-column: 2;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-900);
}
.chains-foundation-item-desc {
  grid-row: 2;
  grid-column: 2;
  font-size: 12px;
  font-weight: 300;
  line-height: 1.4;
  color: var(--ink-500);
}
.chains-foundation-item--custom {
  background: rgba(180,83,9,0.04);
}
.chains-foundation-item-tag--custom {
  color: var(--ink-400);
}


/* ============================================================
   13. SECTION: chains-production — navy, side-by-side layout
   ============================================================ */
.chains-production {
  padding: 80px 0;
  background: var(--navy);--amber:#f59e0b;}

/* Two-column: intro left, code card right */
.chains-production-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}

.chains-production-intro {
  position: sticky;
  top: 88px;
}
.chains-production-intro .section-tag {
  color: var(--amber);
}
.chains-production-intro h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.12;
  color: #f5f4f0;
  margin: 10px 0 14px;
}
.chains-production-intro p {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(245,244,240,0.55);
}

.chains-production-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.chains-prod-body {
  display: flex;
  flex-direction: column;
}
.chains-prod-block {
  border-top: 1px solid rgba(255,255,255,0.06);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.chains-prod-annotation {
  padding: 8px 24px 0;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--amber);
}

/* Responsive */
@media (max-width: 1024px) {
  .chains-production-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .chains-production-intro {
    position: static;
  }
}
@media (max-width: 768px) {
  .chains-production { padding: 64px 0; }
}
@media (max-width: 480px) {
  .chains-production { padding: 52px 0; }
}


/* ============================================================
   14. SECTION: chains-integration — warm-50, three depth cards
   ============================================================ */
.chains-integration {
  padding: 104px 0;
  background: var(--warm-50);
}
.chains-integration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.chains-integration-grid .depth-card {
  background: var(--white);
}


/* ============================================================
   15. SECTION: chains-tco — white, stat strip + three cards
   ============================================================ */
.chains-tco {
  padding: 104px 0;
  background: var(--white);
}

/* Stat strip — three cells with top amber accent on hover */
.chains-tco-stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--warm-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.chains-tco-stat-cell {
  background: var(--off-white);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.chains-tco-stat-cell::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--amber);
  opacity: 0;
  transition: opacity 0.2s;
}
.chains-tco-stat-cell:hover::before { opacity: 1; }
.chains-tco-stat-num {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.chains-tco-stat-label {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-600);
  flex: 1;
  margin: 0;
}
.chains-tco-stat-src {
  font-family: var(--f-mono);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-400);
}

/* Three cards below stat strip */
.chains-tco-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.chains-tco-card {
  background: var(--off-white);
  border: 1px solid var(--warm-200);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: box-shadow 0.22s, transform 0.22s;
}
.chains-tco-card:hover {
  box-shadow: 0 8px 28px rgba(12,31,61,.07);
  transform: translateY(-2px);
}
.chains-tco-card-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}
.chains-tco-card h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ink-900);
  margin-bottom: 12px;
}
.chains-tco-card p {
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
}


/* ── Comparison section sub-paragraph ── */
.chains-comparison-sub {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-600);
  max-width: 540px;
  margin-top: 10px;
}

/* ============================================================
   16. SECTION: chains-comparison — warm-50, iframe
   ============================================================ */
.chains-comparison {
  padding: 104px 0;
  background: var(--warm-50);
}
.chains-comparison-frame {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--warm-200);
  box-shadow: var(--shadow-md);
  background: #fff;
}
.chains-comparison-frame iframe {
  width: 100%;
  border: none;
  display: block;
  min-height: 560px;
}


/* ============================================================
   17. CTA — navy, centred
   ============================================================ */
.cta-section {
  padding: 104px 0;
  background: var(--navy);
  text-align: center;
  position: relative;
  overflow: hidden;--amber:#f59e0b;}
/* Radial glow behind content */
.cta-section::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(30,74,128,.3), transparent 65%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  pointer-events: none;
}
/* Fading dot-grid overlay (canonical closing-section grid) */
.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,1) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .07;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.cta-section h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  color: #f5f4f0;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(245,244,240,0.78);
  margin-bottom: 32px;
}


/* CTA section-tag on navy background */
.cta-tag {
  color: var(--amber);
  margin-bottom: 14px;
}


/* ============================================================
   18. HIGH CONTRAST MODE (body.hc)
   ============================================================ */
body.hc .chains-stats-bar,
body.hc .chains-statement,
body.hc .chains-production,
body.hc .cta-section {
  background: #00102a;--amber:#f59e0b;}
body.hc .chains-stmt-bold,
body.hc .chains-production-intro h2,
body.hc .cta-section h2 {
  color: #ffffff;
}
body.hc .chains-stmt-light { color: rgba(255,255,255,0.6); }
body.hc .chains-stmt-body,
body.hc .chains-production-intro p,
body.hc .cta-section p    { color: rgba(255,255,255,0.8); }
body.hc .depth-card        { background: var(--warm-50); }
body.hc .depth-card h3     { color: var(--ink-900); }
body.hc .depth-card-lead   { color: var(--ink-800); }
body.hc .depth-card-body > p { color: var(--ink-600); }
body.hc .chains-tco-card   { background: var(--warm-50); }
body.hc .chains-tco-card h3 { color: var(--ink-900); }
body.hc .chains-tco-card p  { color: var(--ink-600); }
body.hc .chains-tco-stat-cell { background: var(--warm-50); }


/* ============================================================
   19. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .chains-what-grid,
  .chains-ornaments-grid,
  .chains-foundation-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .chains-compose-grid,
  .chains-tco-cards,
  .chains-integration-grid {
    grid-template-columns: 1fr 1fr;
  }
  .chains-tco-stat-strip { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: 32px;
  }
  .chains-stats-inner {
    flex-direction: column;
  }
  .chains-stat-divider {
    width: 100%;
    height: 1px;
    margin: 0;
  }
  .chains-stat-item {
    padding: 28px 24px;
  }
  .chains-stat-item:last-child {
    border-left: none;
    border-top: 2px solid rgba(180,83,9,0.5);
    padding-left: 24px;
    margin-left: 0;
  }
  .chains-what,
  .chains-domains,
  .chains-statement,
  .chains-compose,
  .chains-ornaments,
  .chains-foundation,
  .chains-production,
  .chains-integration,
  .chains-tco,
  .chains-comparison,
  .chains-outcomes,
  .cta-section {
    padding: 64px 0;
  }
  .chains-modes { padding: 52px 0; }
  .chains-modes-grid,
  .chains-domains-grid,
  .chains-compose-grid,
  .chains-tco-stat-strip,
  .chains-tco-cards,
  .chains-integration-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .chains-tco-stat-strip {
    background: transparent;
    gap: 12px;
  }
  .chains-tco-stat-cell {
    border-radius: var(--r-lg);
    border: 1px solid var(--warm-200);
  }
  .chains-domains-grid {
    background: transparent;
    gap: 12px;
  }
  .chains-domain-card {
    border-radius: var(--r-lg);
    border: 1px solid var(--warm-200);
  }
  .chains-tco-stat-cell--positive {
    border-left: none;
    border-top: 2px solid rgba(21,128,61,0.3);
  }
  .chains-ornament-apparel-row { grid-template-columns: 1fr 1fr; }
  .wrap { padding: 0 20px; }
}

@media (max-width: 480px) {
  .chains-what,
  .chains-domains,
  .chains-statement,
  .chains-compose,
  .chains-ornaments,
  .chains-foundation,
  .chains-production,
  .chains-integration,
  .chains-tco,
  .chains-comparison,
  .chains-outcomes,
  .cta-section {
    padding: 52px 0;
  }
  .chains-modes { padding: 32px 0; }
  .chains-modes-grid { grid-template-columns: 1fr; gap: 12px; }
  .chains-code-body     { font-size: 11px; padding: 14px 16px; }
  .chains-code-body--sm { font-size: 10.5px; }
  .wrap                 { padding: 0 16px; }
}

/* ============================================================
   20. HIDE COMPARISON SECTION ON MOBILE
   ============================================================ */
@media (max-width: 640px) {
  .chains-comparison {
    display: none;
  }
}

/* ── Mobile body font floor ── */
@media (max-width: 640px) {
  body { font-size: 16px; }
}

/* ============================================================
   21. FONT-WEIGHT: INSTRUMENT SERIF SYNTHESIS FIX
   All var(--f-serif) elements must declare font-weight: 400
   ============================================================ */
.chains-stat-num,
.chains-stmt-light,
.chains-stmt-bold,
.chains-tco-stat-num,
.section-header h2,
.chains-what-text h2,
.chains-ornaments-text h2,
.chains-foundation-text h2,
.depth-card h3,
.chains-mode-card h3,
.chains-domain-card h3,
.chains-outcome-card h3,
.chains-tco-card h3,
.chains-security-text h3,
.cta-section h2 {
  font-weight: 400;
}

/* ============================================================
   22. ADDITIONAL RESPONSIVE — MOBILE-FIRST FIXES
   ============================================================ */

/* Prevent horizontal scroll on all viewports */
html, body {
  overflow-x: hidden;
  box-sizing: border-box;
}
*, *::before, *::after {
  box-sizing: inherit;
}

/* Smooth scroll */
html { scroll-behavior: smooth; }

/* Mobile (< 640px) */
@media (max-width: 640px) {
  body { font-size: 16px; }




  /* Stats bar: single column */
  .chains-stats-inner {
    flex-direction: column;
  }
  .chains-stat-divider {
    width: 100%;
    height: 1px;
    margin: 0;
  }
  .chains-stat-item {
    padding: 24px 20px;
  }
  .chains-stat-item:last-child {
    border-left: none;
    border-top: 2px solid rgba(180,83,9,0.5);
    padding-left: 20px;
    margin-left: 0;
  }

  /* All grids → single column */
  .chains-what-grid,
  .chains-modes-grid,
  .chains-domains-grid,
  .chains-compose-grid,
  .chains-ornaments-grid,
  .chains-foundation-grid,
  .chains-integration-grid,
  .chains-tco-cards,
  .chains-tco-stat-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .chains-outcomes-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .chains-ornament-apparel-row {
    grid-template-columns: 1fr 1fr;
  }

  /* Cards full width */
  .chains-mode-card,
  .depth-card,
  .chains-outcome-card,
  .chains-tco-card,
  .chains-domain-card {
    width: 100%;
  }

  /* Code blocks: allow horizontal scroll */
  .chains-code-body,
  .chains-code-body--sm,
  .chains-code-body--dark {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 11px;
    padding: 12px 14px;
  }

  /* Buttons: full width on mobile */
  .btn-primary,
  .btn-white {
    display: block;
    width: 100%;
    text-align: center;
  }

  /* CTA section padding */
  .cta-section { padding: 52px 0; }

  /* Section headers */
  .section-header { margin-bottom: 24px; }

  /* Foundation items */
  .chains-foundation-item {
    grid-template-columns: 70px 1fr;
  }

  /* TCO stat strip */
  .chains-tco-stat-strip {
    background: transparent;
    gap: 8px;
  }
  .chains-tco-stat-cell {
    border-radius: var(--r-lg);
    border: 1px solid var(--warm-200);
  }

  /* Security callout */
  .chains-security-inner {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 20px;
  }
  .chains-security-badges {
    flex-direction: row;
    flex-wrap: wrap;
  }

  /* Statement section */
  .chains-statement-inner { text-align: left; }

  /* Ornaments apparel row */
  .chains-ornament-apparel-row { gap: 8px; }
}

/* Tablet (640px – 1024px) */
@media (min-width: 641px) and (max-width: 1024px) {

  .chains-outcomes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .chains-ornament-apparel-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Prevent table/code overflow */
.chains-prod-body {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* All images responsive */
img {
  max-width: 100%;
  height: auto;
  display: block;
}


/* ============================================================
   DOOR ORNAMENT — replaces apparel label preview
   ============================================================ */
.chains-ornament-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.chains-ornament-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.chains-ornament-door {
  width: 100%;
  min-height: 80px;
  background: var(--white);
  border: 1px solid var(--warm-200);
  border-radius: 4px;
  padding: 8px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
/* CSS door panels */
.door-panel {
  position: relative;
  background: #e8e4d8;
  border: 1.5px solid #b8b4a6;
  border-radius: 1px 1px 0 0;
}
.door-panel--36 { width: 38px; height: 56px; }
.door-panel--24 { width: 26px; height: 56px; }

.door-hinge {
  position: absolute;
  width: 4px;
  height: 9px;
  background: #8c8c80;
  border-radius: 1px;
  top: 10px;
}
.door-hinge--left  { left:  -3px; }
.door-hinge--right { right: -3px; }
.door-hinge--bottom { top: auto; bottom: 10px; }

.door-handle {
  position: absolute;
  width: 3px;
  height: 7px;
  background: #68685e;
  border-radius: 1px;
  top: 50%;
  transform: translateY(-50%);
}
.door-handle--right { right: 4px; }
.door-handle--left  { left:  4px; }

.door-window {
  width: 10px;
  height: 9px;
  border: 1px solid #a8a396;
  background: rgba(255,255,255,0.5);
  border-radius: 1px;
  margin: 3px auto;
}

@media (max-width: 768px) {
  .chains-ornament-row { grid-template-columns: 1fr 1fr; }
}



/* ============================================================
   CTA HEADLINE TRADEMARK SUPERSCRIPT
   ============================================================ */
.tm-cta {
  font-family: var(--f-sans);
  font-size: 0.22em;
  font-weight: 400;
  vertical-align: super;
  color: rgba(245,244,240,0.5);
  letter-spacing: 0;
  margin-left: 1px;
}


/* ============================================================
   BUSINESS VALUE SECTION — chains-value
   bg: white, two-col: intro left, three items right
   ============================================================ */
.chains-value {
  padding: 104px 0;
  background: var(--white);
  border-bottom: 1px solid var(--warm-200);
}
.chains-value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.chains-value-intro h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.12;
  color: var(--ink-900);
  margin: 12px 0 18px;
}
.chains-value-intro p {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-600);
  margin-bottom: 28px;
}
.chains-value-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.chains-value-item {
  padding: 24px 0;
  border-top: 1px solid var(--warm-200);
}
.chains-value-item:last-child {
  border-bottom: 1px solid var(--warm-200);
}
.chains-value-item-label {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}
.chains-value-item p {
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-600);
  margin: 0;
}
@media (max-width: 1024px) {
  .chains-value-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .chains-value { padding: 64px 0; }
}
@media (max-width: 480px) {
  .chains-value { padding: 52px 0; }
}

/* HC overrides */
body.hc .chains-value-intro h2 { color: var(--ink-900); }


/* ============================================================
   DEPLOYMENT SECTION — chains-deploy
   bg: navy, four deployment model cards
   ============================================================ */
.chains-deploy {
  padding: 104px 0;
  background: var(--navy);--amber:#f59e0b;}
.chains-deploy .section-header h2 {
  color: #f5f4f0;
}
.chains-deploy .section-header p {
  color: rgba(245,244,240,0.6);
}
.chains-deploy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 32px;
}
.chains-deploy-card {
  background: rgba(255,255,255,0.03);
  padding: 28px 24px;
  transition: background 0.18s;
}
.chains-deploy-card:hover {
  background: rgba(255,255,255,0.06);
}
.chains-deploy-tag {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}
.chains-deploy-card h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.2;
  color: #f5f4f0;
  margin-bottom: 10px;
}
.chains-deploy-card p {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(245,244,240,0.6);
}
.chains-deploy-note {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(245,244,240,0.4);
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
@media (max-width: 1024px) {
  .chains-deploy-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .chains-deploy { padding: 64px 0; }
  .chains-deploy-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .chains-deploy { padding: 52px 0; }
}

/* HC overrides */
body.hc .chains-deploy { background: #00102a;--amber:#f59e0b;}
body.hc .chains-deploy .section-header h2 { color: #ffffff; }
body.hc .chains-deploy .section-header p  { color: rgba(255,255,255,0.75); }
body.hc .chains-deploy-card h3 { color: #ffffff; }
body.hc .chains-deploy-card p  { color: rgba(255,255,255,0.7); }


/* ============================================================
   OUTCOMES EVIDENCE STRIP — named results inside outcomes section
   ============================================================ */
.chains-outcomes-evidence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--warm-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 32px;
}
.chains-outcomes-evidence-item {
  background: var(--white);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.chains-outcomes-evidence-num {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.chains-outcomes-evidence-label {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.45;
  color: var(--ink-500);
}
@media (max-width: 768px) {
  .chains-outcomes-evidence { grid-template-columns: 1fr; }
}