/* ClickHouseCalc — Warm Ivory & Bronze Editorial Broadsheet Stylesheet (/assets/chc-dossier.css) */
:root {
  --chc-ivory: #faf7f2;
  --chc-paper: #fffdf9;
  --chc-parchment: #f3ede2;
  --chc-ink: #1c1917;
  --chc-ink-body: #292524;
  --chc-muted: #57534e;
  --chc-rule: #d6cfc2;
  --chc-rule-dark: #44403c;
  --chc-bronze: #b45309;
  --chc-bronze-deep: #92400e;
  --chc-bronze-soft: #fef3c7;
  --chc-bronze-border: #f59e0b;
  --chc-teal: #0f766e;
  --chc-teal-soft: #ecfdf5;
  --chc-crimson: #991b1b;
  --chc-serif: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Palatino, Georgia, serif;
  --chc-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --chc-mono: 'SFMono-Regular', 'Cascadia Mono', Consolas, 'Liberation Mono', ui-monospace, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: var(--chc-ivory);
  color: var(--chc-ink);
  font-family: var(--chc-sans);
  font-size: 16px;
  line-height: 1.68;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--chc-ivory);
  color: var(--chc-ink-body);
  overflow-x: hidden;
}

a {
  color: var(--chc-bronze-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--chc-ink);
}

/* Broadsheet Masthead & Subnav */
.chc-masthead {
  background: var(--chc-ink);
  color: var(--chc-ivory);
  border-bottom: 3px double var(--chc-bronze);
  padding: 0.9rem 1.25rem;
}

.chc-wrap {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
}

.chc-brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.chc-brand-link {
  font-family: var(--chc-serif);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--chc-ivory);
  text-decoration: none;
}

.chc-brand-link:hover {
  color: #fbbf24;
}

.chc-edition-line {
  font-family: var(--chc-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: #d6d3d1;
}

.chc-lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 0.36rem 0.8rem;
  border: 1px solid var(--chc-bronze-border);
  border-radius: 4px;
  background: rgba(254, 243, 199, 0.1);
  color: #fde68a;
  font-family: var(--chc-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: none;
}

.chc-lang-switch:hover {
  background: var(--chc-bronze);
  color: #ffffff;
}

.chc-subnav {
  background: var(--chc-paper);
  border-bottom: 1px solid var(--chc-rule);
  padding: 0.55rem 1.25rem;
}

.chc-navlist {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.35rem;
  align-items: center;
}

.chc-navlist a {
  font-family: var(--chc-serif);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--chc-ink);
  text-decoration: none;
}

.chc-navlist a:hover {
  color: var(--chc-bronze);
  text-decoration: underline;
}

/* Top-of-page Affiliate Disclosure Ribbon (Before Content/CTAs) */
.chc-ftc-ribbon {
  background: var(--chc-parchment);
  border-bottom: 1px solid var(--chc-rule);
  padding: 0.58rem 1.25rem;
}

.chc-ftc-ribbon p {
  max-width: 1120px;
  margin: 0 auto;
  font-size: 0.81rem;
  line-height: 1.5;
  color: var(--chc-ink-body);
}

.chc-ftc-ribbon strong {
  color: var(--chc-bronze-deep);
  font-family: var(--chc-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

/* Main Broadsheet Container */
.chc-broadsheet {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2.1rem 1.25rem 3.5rem;
}

.chc-dossier {
  display: block;
}

.chc-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-family: var(--chc-mono);
  font-size: 0.76rem;
  color: var(--chc-muted);
  margin-bottom: 1.15rem;
}

/* 1. Editorial Headline */
.chc-headline {
  border-bottom: 2px solid var(--chc-ink);
  padding-bottom: 1.4rem;
  margin-bottom: 1.65rem;
}

.chc-rubric {
  display: inline-block;
  font-family: var(--chc-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--chc-bronze);
  margin-bottom: 0.55rem;
}

.chc-headline h1 {
  font-family: var(--chc-serif);
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--chc-ink);
  margin: 0 0 0.75rem;
}

.chc-byline {
  font-family: var(--chc-mono);
  font-size: 0.78rem;
  color: var(--chc-muted);
  margin: 0 0 0.75rem;
}

.chc-standfirst {
  font-family: var(--chc-serif);
  font-size: 1.14rem;
  line-height: 1.6;
  color: var(--chc-ink-body);
  max-width: 78ch;
  margin: 0;
}

/* 2. Executive Summary Blockquote */
.chc-exec-summary {
  margin: 0 0 2.2rem;
  padding: 1.2rem 1.5rem;
  background: var(--chc-paper);
  border-left: 4px solid var(--chc-bronze);
  border-top: 1px solid var(--chc-rule);
  border-right: 1px solid var(--chc-rule);
  border-bottom: 1px solid var(--chc-rule);
}

.chc-exec-summary p {
  margin: 0;
  font-family: var(--chc-serif);
  font-size: 1.03rem;
  color: var(--chc-ink);
}

/* 3. Long-Form MergeTree Essay + 4 SVG Figures */
.chc-mergetree-essay {
  margin-bottom: 2.6rem;
}

.chc-mergetree-essay h2,
.chc-inline-calc h2,
.chc-ledger h2,
.chc-decision h2,
.chc-directory h2,
.chc-faq h2,
.chc-subpage-sec h2 {
  font-family: var(--chc-serif);
  font-size: 1.52rem;
  line-height: 1.28;
  color: var(--chc-ink);
  margin: 0 0 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--chc-rule);
}

.chc-essay-cols {
  max-width: 78ch;
}

.chc-essay-cols h3 {
  font-family: var(--chc-serif);
  font-size: 1.18rem;
  color: var(--chc-bronze-deep);
  margin: 1.45rem 0 0.45rem;
}

.chc-essay-cols p {
  margin: 0 0 1rem;
  color: var(--chc-ink-body);
}

.chc-fig-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.65rem;
}

@media (max-width: 860px) {
  .chc-fig-grid {
    grid-template-columns: 1fr;
  }
}

.chc-fig-card {
  margin: 0;
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule);
  padding: 0.85rem;
}

.chc-fig-card img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--chc-rule);
}

.chc-fig-card figcaption {
  margin-top: 0.6rem;
  font-family: var(--chc-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--chc-muted);
}

/* 4. Inline MergeTree Compression & DDL Calculator */
.chc-inline-calc {
  background: var(--chc-paper);
  border: 2px solid var(--chc-ink);
  padding: 1.65rem;
  margin-bottom: 2.75rem;
  box-shadow: 6px 6px 0 rgba(28, 25, 23, 0.08);
}

.chc-calc-intro {
  margin: 0 0 1.25rem;
  font-size: 0.94rem;
  color: var(--chc-muted);
}

.chc-calc-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.1rem;
  padding: 1.15rem;
  background: var(--chc-ivory);
  border: 1px solid var(--chc-rule);
  margin-bottom: 1.35rem;
}

.chc-field {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--chc-ink);
}

.chc-field-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.4rem;
}

.chc-out-badge {
  font-family: var(--chc-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--chc-bronze-deep);
  background: var(--chc-bronze-soft);
  border: 1px solid var(--chc-bronze-border);
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
}

.chc-field select {
  width: 100%;
  padding: 0.52rem 0.65rem;
  border: 1px solid var(--chc-rule-dark);
  border-radius: 3px;
  background: var(--chc-paper);
  color: var(--chc-ink);
  font-family: var(--chc-sans);
  font-size: 0.86rem;
  font-weight: 600;
}

.chc-field input[type="range"] {
  width: 100%;
  accent-color: var(--chc-bronze);
  cursor: pointer;
}

.chc-field-hint {
  font-family: var(--chc-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--chc-muted);
}

.chc-kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.35rem;
}

.chc-kpi {
  background: var(--chc-ivory);
  border: 1px solid var(--chc-rule);
  border-top: 3px solid var(--chc-bronze);
  padding: 0.85rem 0.95rem;
}

.chc-kpi.is-savings {
  background: var(--chc-teal-soft);
  border-top-color: var(--chc-teal);
}

.chc-kpi-label {
  display: block;
  font-family: var(--chc-mono);
  font-size: 0.69rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--chc-muted);
  margin-bottom: 0.25rem;
}

.chc-kpi-val {
  display: block;
  font-family: var(--chc-mono);
  font-size: 1.32rem;
  font-weight: 800;
  color: var(--chc-ink);
  line-height: 1.2;
}

.chc-kpi.is-savings .chc-kpi-val {
  color: var(--chc-teal);
}

.chc-kpi-sub {
  display: block;
  font-size: 0.76rem;
  color: var(--chc-muted);
  margin-top: 0.25rem;
}

/* DDL & RAM XML Output Box */
.chc-ddl-panel {
  margin-bottom: 1.5rem;
  border: 1px solid var(--chc-rule-dark);
  background: #1c1917;
  color: #faf7f2;
}

.chc-ddl-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.95rem;
  background: #292524;
  border-bottom: 1px solid #44403c;
}

.chc-ddl-title {
  font-family: var(--chc-mono);
  font-size: 0.75rem;
  color: #fde68a;
  font-weight: 700;
}

.chc-ddl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chc-tool-btn {
  padding: 0.36rem 0.72rem;
  border: 1px solid var(--chc-bronze-border);
  border-radius: 3px;
  background: var(--chc-bronze);
  color: #ffffff;
  font-family: var(--chc-mono);
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
}

.chc-tool-btn.is-secondary {
  background: transparent;
  color: #fde68a;
}

.chc-tool-btn:hover {
  background: var(--chc-bronze-deep);
  color: #ffffff;
}

.chc-code-pre {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--chc-mono);
  font-size: 0.79rem;
  line-height: 1.52;
  color: #f5f5f4;
}

/* 3 Pre-Rendered Node Recommendation Cards */
.chc-tier-heading {
  font-family: var(--chc-serif);
  font-size: 1.16rem;
  margin: 0 0 0.75rem;
  color: var(--chc-ink);
}

.chc-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 900px) {
  .chc-tier-grid {
    grid-template-columns: 1fr;
  }
}

.chc-tier-card {
  background: var(--chc-ivory);
  border: 1px solid var(--chc-rule-dark);
  padding: 1.05rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
}

.chc-tier-card.is-primary {
  border: 2px solid var(--chc-bronze);
  background: #fffcf5;
}

.chc-tier-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chc-tier-badge {
  font-family: var(--chc-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.48rem;
  background: var(--chc-bronze-soft);
  color: var(--chc-bronze-deep);
  border: 1px solid var(--chc-bronze-border);
}

.chc-tier-price {
  font-family: var(--chc-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--chc-ink);
}

.chc-tier-card h3 {
  font-family: var(--chc-serif);
  font-size: 1.02rem;
  line-height: 1.32;
  margin: 0.35rem 0;
  color: var(--chc-ink);
}

.chc-tier-why {
  font-size: 0.83rem;
  color: var(--chc-muted);
  margin: 0;
}

.chc-cta-bronze {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.58rem 0.95rem;
  background: var(--chc-bronze);
  color: #ffffff !important;
  border: 1px solid var(--chc-bronze-deep);
  border-radius: 3px;
  font-family: var(--chc-sans);
  font-size: 0.83rem;
  font-weight: 700;
  text-decoration: none !important;
}

.chc-cta-bronze:hover {
  background: var(--chc-bronze-deep);
}

.chc-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.95rem;
  background: var(--chc-paper);
  color: var(--chc-ink) !important;
  border: 1px solid var(--chc-rule-dark);
  border-radius: 3px;
  font-family: var(--chc-sans);
  font-size: 0.83rem;
  font-weight: 700;
  text-decoration: none !important;
}

.chc-btn-outline:hover {
  border-color: var(--chc-bronze);
  color: var(--chc-bronze-deep) !important;
}

/* 5. Cited 12-Month TCO Ledger (<figure class="chc-ledger comparison">) */
.chc-ledger {
  margin: 0 0 2.75rem;
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule-dark);
  padding: 1.4rem;
}

.chc-table-scroll {
  overflow-x: auto;
}

.chc-ledger table,
.chc-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.chc-ledger th,
.chc-ledger td,
.chc-data-table th,
.chc-data-table td {
  padding: 0.72rem 0.85rem;
  border-bottom: 1px solid var(--chc-rule);
  text-align: left;
  vertical-align: top;
}

.chc-ledger th,
.chc-data-table th {
  background: var(--chc-parchment);
  font-family: var(--chc-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--chc-ink);
  border-bottom: 2px solid var(--chc-ink);
}

.chc-mono-strong {
  font-family: var(--chc-mono);
  font-weight: 700;
  color: var(--chc-ink);
}

.chc-mono-teal {
  font-family: var(--chc-mono);
  font-weight: 800;
  color: var(--chc-teal);
}

.chc-mono-crimson {
  font-family: var(--chc-mono);
  font-weight: 700;
  color: var(--chc-crimson);
}

.chc-ledger figcaption {
  margin-top: 0.95rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--chc-rule-dark);
  font-size: 0.8rem;
  color: var(--chc-muted);
}

.chc-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin-top: 0.45rem;
  font-family: var(--chc-mono);
  font-size: 0.73rem;
}

/* 6. Honest Trade-Off Decision Framework (<section class="chc-decision">) */
.chc-decision {
  margin-bottom: 2.75rem;
}

.chc-pros-cons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 820px) {
  .chc-pros-cons {
    grid-template-columns: 1fr;
  }
}

.chc-decision-col {
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule);
  border-top: 4px solid var(--chc-ink);
  padding: 1.25rem 1.35rem;
}

.chc-decision-col.is-nvme {
  border-top-color: var(--chc-teal);
}

.chc-decision-col h3 {
  font-family: var(--chc-serif);
  font-size: 1.14rem;
  margin: 0 0 0.75rem;
  color: var(--chc-ink);
}

.chc-decision-col ul {
  margin: 0;
  padding-left: 1.2rem;
}

.chc-decision-col li {
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  color: var(--chc-ink-body);
}

/* 7. Video Briefing & Directory Grid */
.chc-video-briefing {
  margin-bottom: 2.75rem;
}

.chc-reel-card {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr);
  gap: 1.35rem;
  align-items: center;
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule-dark);
  padding: 1.15rem 1.3rem;
}

@media (max-width: 680px) {
  .chc-reel-card {
    grid-template-columns: 1fr;
  }
}

.chc-reel-frame {
  background: var(--chc-ink);
  padding: 6px;
  border-radius: 6px;
  max-width: 196px;
}

.chc-reel-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #000000;
  border-radius: 4px;
}

.chc-reel-kicker {
  display: block;
  font-family: var(--chc-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--chc-bronze);
  margin-bottom: 0.35rem;
}

.chc-reel-title {
  font-family: var(--chc-serif);
  font-size: 1.28rem;
  margin: 0 0 0.55rem;
  color: var(--chc-ink);
}

.chc-reel-desc {
  margin: 0 0 0.95rem;
  font-size: 0.92rem;
  color: var(--chc-ink-body);
}

.chc-reel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.chc-directory {
  margin-bottom: 2.75rem;
}

.chc-dir-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 310px), 1fr));
  gap: 1.05rem;
}

.chc-dir-card {
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
}

.chc-dir-card h3 {
  font-family: var(--chc-serif);
  font-size: 1.04rem;
  line-height: 1.35;
  margin: 0.35rem 0;
}

.chc-dir-card h3 a {
  color: var(--chc-ink);
  text-decoration: none;
}

.chc-dir-card h3 a:hover {
  color: var(--chc-bronze);
  text-decoration: underline;
}

.chc-dir-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--chc-muted);
}

.chc-read-link {
  font-family: var(--chc-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--chc-bronze-deep);
  text-decoration: none;
}

/* 8. Reader Objections FAQ (<section class="chc-faq faq">) */
.chc-faq {
  margin-bottom: 2.5rem;
}

.chc-faq-dl {
  margin: 0;
  display: grid;
  gap: 0.95rem;
}

.chc-faq-item {
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule);
  border-left: 3px solid var(--chc-bronze);
  padding: 1rem 1.2rem;
}

.chc-faq-item dt {
  font-family: var(--chc-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--chc-ink);
  margin-bottom: 0.4rem;
}

.chc-faq-item dd {
  margin: 0;
}

.chc-faq-item dd p {
  margin: 0;
  font-size: 0.91rem;
  color: var(--chc-ink-body);
}

/* Legal & Governance Pages (<article class="chc-legal">) */
.chc-legal {
  max-width: 82ch;
  background: var(--chc-paper);
  border: 1px solid var(--chc-rule-dark);
  padding: 2rem;
}

.chc-legal > header {
  border-bottom: 2px solid var(--chc-ink);
  padding-bottom: 1.15rem;
  margin-bottom: 1.5rem;
}

.chc-legal > header h1 {
  font-family: var(--chc-serif);
  font-size: clamp(1.65rem, 2.8vw, 2.2rem);
  line-height: 1.22;
  margin: 0.35rem 0 0.6rem;
  color: var(--chc-ink);
}

.chc-legal-sec {
  margin-bottom: 1.55rem;
}

.chc-legal-sec h2 {
  font-family: var(--chc-serif);
  font-size: 1.22rem;
  color: var(--chc-bronze-deep);
  margin: 0 0 0.5rem;
}

.chc-legal-sec p {
  margin: 0 0 0.75rem;
  color: var(--chc-ink-body);
}

.chc-subpage-sec {
  margin-bottom: 2.25rem;
}

/* Broadsheet Colophon Footer */
.chc-colophon {
  background: var(--chc-parchment);
  border-top: 2px solid var(--chc-ink);
  padding: 2rem 1.25rem;
  font-size: 0.83rem;
  color: var(--chc-muted);
}

.chc-colophon-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.chc-colophon-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.15rem;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--chc-rule);
}

.chc-colophon-nav a {
  font-family: var(--chc-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--chc-ink);
  text-decoration: none;
}

.chc-colophon-nav a:hover {
  color: var(--chc-bronze);
  text-decoration: underline;
}

.chc-colophon p {
  margin: 0 0 0.45rem;
  max-width: 96ch;
}