/* TimescaleOps — Editorial Long-Form Industrial IoT & Hypertable Retention Dossier Stylesheet */
:root {
  --tso-petrol: #0b2530;
  --tso-petrol-mid: #143949;
  --tso-petrol-soft: #1f4e63;
  --tso-alabaster: #f9f8f4;
  --tso-paper-card: #ffffff;
  --tso-paper-tint: #f2efe7;
  --tso-brass: #b47d1c;
  --tso-brass-deep: #8b5e10;
  --tso-brass-pale: #fbf5e8;
  --tso-ink: #122128;
  --tso-ink-muted: #455862;
  --tso-rule: #d5cfc1;
  --tso-rule-strong: #b8af9c;
  --tso-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', Palatino, serif;
  --tso-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --tso-mono: 'SFMono-Regular', ui-monospace, Menlo, Monaco, Consolas, monospace;
}

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

html, body {
  max-width: 100%;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

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

body.tso-paper {
  background-color: var(--tso-alabaster);
  color: var(--tso-ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--tso-petrol-mid);
  text-decoration: underline;
  text-decoration-color: rgba(180, 125, 28, 0.55);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--tso-brass-deep);
  text-decoration-color: var(--tso-brass);
}

/* Broadsheet Masthead */
.tso-masthead {
  background-color: var(--tso-petrol);
  color: var(--tso-alabaster);
  border-bottom: 3px solid var(--tso-brass);
}

.tso-masthead-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 1.15rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.tso-brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.tso-brand-link {
  font-family: var(--tso-serif);
  font-size: 1.62rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--tso-alabaster);
  text-decoration: none;
}

.tso-brand-link:hover {
  color: #f3d28c;
}

.tso-brand-mark {
  display: inline-block;
  font-family: var(--tso-mono);
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--tso-brass);
  color: #ffffff;
  padding: 0.12rem 0.42rem;
  border-radius: 2px;
  vertical-align: middle;
  margin-right: 0.45rem;
}

.tso-brand-sub {
  font-size: 0.82rem;
  color: #cbd8de;
  letter-spacing: 0.01em;
}

.tso-masthead-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  font-family: var(--tso-mono);
  font-size: 0.78rem;
}

.tso-edition-date {
  color: #ebd096;
  padding: 0.24rem 0.55rem;
  border: 1px solid rgba(180, 125, 28, 0.65);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.tso-lang-switch {
  color: var(--tso-alabaster);
  background: var(--tso-petrol-mid);
  border: 1px solid var(--tso-brass);
  padding: 0.28rem 0.68rem;
  border-radius: 3px;
  text-decoration: none;
  font-weight: 600;
}

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

/* Sub-Navigation Ribbon */
.tso-subnav {
  background: var(--tso-paper-tint);
  border-bottom: 1px solid var(--tso-rule-strong);
}

.tso-subnav-list {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0.55rem 1.25rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-wrap: wrap;
  font-size: 0.86rem;
  font-weight: 600;
}

.tso-subnav-list a {
  color: var(--tso-petrol);
  text-decoration: none;
}

.tso-subnav-list a:hover {
  color: var(--tso-brass-deep);
  text-decoration: underline;
}

/* Top-of-Page Affiliate Disclosure Notice */
.tso-ftc-notice {
  background: var(--tso-brass-pale);
  border-bottom: 1px solid #e2cca0;
  font-size: 0.82rem;
  color: #3c2e12;
}

.tso-ftc-notice p {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0.55rem 1.25rem;
  line-height: 1.5;
}

.tso-ftc-notice a {
  color: var(--tso-petrol);
  font-weight: 700;
}

/* Journal Main Container */
.tso-journal {
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 2.1rem 1.25rem 3.2rem;
}

.tso-pending-telemetry {
  background: #fff6e5;
  border: 2px solid var(--tso-brass);
  border-left-width: 6px;
  padding: 0.95rem 1.15rem;
  margin: 0 0 1.65rem;
  border-radius: 4px;
}

.tso-pending-telemetry p {
  margin: 0;
  font-family: var(--tso-mono);
  font-size: 0.83rem;
  color: #4a3307;
  font-weight: 600;
}

/* Dossier & Brief Typography */
.tso-dossier,
.tso-brief,
.tso-editorial-policy {
  background: var(--tso-paper-card);
  border: 1px solid var(--tso-rule);
  box-shadow: 0 8px 26px rgba(11, 37, 48, 0.05);
  padding: 2.2rem 2.4rem;
  border-radius: 3px;
}

@media (max-width: 680px) {
  .tso-dossier,
  .tso-brief,
  .tso-editorial-policy {
    padding: 1.35rem 1.1rem;
  }
}

.tso-kicker {
  display: inline-block;
  font-family: var(--tso-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--tso-brass-deep);
  border-bottom: 2px solid var(--tso-brass);
  padding-bottom: 0.15rem;
  margin-bottom: 0.7rem;
}

.tso-dossier-head h1,
.tso-brief-head h1,
.tso-policy-head h1 {
  font-family: var(--tso-serif);
  font-size: clamp(1.75rem, 3.1vw, 2.48rem);
  line-height: 1.2;
  color: var(--tso-petrol);
  margin: 0 0 0.85rem;
  letter-spacing: -0.01em;
}

.tso-standfirst,
.tso-policy-standfirst {
  font-family: var(--tso-serif);
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--tso-ink-muted);
  margin: 0 0 1.35rem;
  max-width: 78ch;
}

.tso-spec-strip,
.tso-policy-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 0.75rem;
  margin: 1.15rem 0 1.5rem;
  padding: 0.9rem 1rem;
  background: var(--tso-alabaster);
  border-top: 2px solid var(--tso-petrol);
  border-bottom: 1px solid var(--tso-rule);
}

.tso-spec-strip div,
.tso-policy-facts div {
  min-width: 0;
}

.tso-spec-strip dt,
.tso-policy-facts dt {
  font-family: var(--tso-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tso-ink-muted);
}

.tso-spec-strip dd,
.tso-policy-facts dd {
  margin: 0.15rem 0 0;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--tso-petrol);
}

/* Executive Summary Blockquote */
.tso-exec-summary,
.tso-digest,
.tso-policy-digest {
  margin: 1.5rem 0 1.9rem;
  padding: 1.15rem 1.4rem;
  background: #f4f7f8;
  border-left: 4px solid var(--tso-petrol);
  border-right: 1px solid var(--tso-rule);
  border-top: 1px solid var(--tso-rule);
  border-bottom: 1px solid var(--tso-rule);
}

.tso-exec-summary p,
.tso-digest p,
.tso-policy-digest p {
  margin: 0;
  font-family: var(--tso-serif);
  font-size: 1.01rem;
  color: var(--tso-petrol);
  line-height: 1.65;
}

/* Long-Form Analysis Prose */
.tso-analysis,
.tso-brief-sec,
.tso-policy-sec {
  margin: 1.85rem 0;
}

.tso-analysis h2,
.tso-brief-sec h2,
.tso-policy-sec h2,
.tso-decision-box h2,
.tso-pipeline-index h2,
.tso-objections h2,
.tso-related-briefs h2 {
  font-family: var(--tso-serif);
  font-size: 1.42rem;
  line-height: 1.3;
  color: var(--tso-petrol);
  margin: 1.75rem 0 0.7rem;
  padding-bottom: 0.32rem;
  border-bottom: 1px solid var(--tso-rule);
}

.tso-analysis h3 {
  font-family: var(--tso-serif);
  font-size: 1.13rem;
  color: var(--tso-petrol-mid);
  margin: 1.3rem 0 0.45rem;
}

.tso-analysis p,
.tso-brief-sec p,
.tso-policy-sec p {
  max-width: 75ch;
  margin: 0 0 1rem;
  color: var(--tso-ink);
}

.tso-code-plate {
  margin: 1.35rem 0;
  background: var(--tso-petrol);
  color: #f4f7f8;
  border-radius: 4px;
  border: 1px solid var(--tso-petrol-soft);
  overflow: hidden;
}

.tso-code-plate figcaption {
  background: #071921;
  color: #ebd096;
  font-family: var(--tso-mono);
  font-size: 0.74rem;
  padding: 0.5rem 0.95rem;
  border-bottom: 1px solid var(--tso-petrol-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tso-code-plate pre,
.tso-calc-sql {
  margin: 0;
  padding: 0.95rem 1.05rem;
  overflow-x: auto;
  font-family: var(--tso-mono);
  font-size: 0.79rem;
  line-height: 1.54;
  background: var(--tso-petrol);
  color: #f4f7f8;
}

/* Video Briefing Editorial Figure */
.tso-reel-aside {
  margin: 1.75rem 0;
  padding: 1.15rem;
  background: var(--tso-petrol);
  color: var(--tso-alabaster);
  border: 1px solid var(--tso-brass);
  border-radius: 4px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
}

@media (max-width: 660px) {
  .tso-reel-aside {
    grid-template-columns: 1fr;
  }
}

.tso-reel-player {
  max-width: 180px;
  margin: 0 auto;
}

.tso-reel-player video {
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 4px;
  background: #051218;
  display: block;
  border: 1px solid rgba(180, 125, 28, 0.5);
}

.tso-reel-copy .tso-kicker {
  color: #f3d28c;
}

.tso-reel-heading {
  font-family: var(--tso-serif);
  font-size: 1.2rem;
  color: #ffffff;
  margin: 0.25rem 0 0.55rem;
}

.tso-reel-text {
  font-size: 0.9rem;
  color: #d6e2e7;
  margin: 0 0 0.95rem;
}

.tso-reel-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.tso-reel-links .tso-link-plain {
  color: #f3d28c;
  font-size: 0.84rem;
}

/* Inline Interactive Hypertable Dossier Calculator */
.tso-inline-calc {
  margin: 2.2rem 0;
  background: var(--tso-alabaster);
  border: 2px solid var(--tso-petrol);
  border-radius: 4px;
  overflow: hidden;
}

.tso-calc-banner {
  background: var(--tso-petrol);
  color: var(--tso-alabaster);
  padding: 0.95rem 1.3rem;
  border-bottom: 2px solid var(--tso-brass);
}

.tso-calc-banner h2 {
  font-family: var(--tso-serif);
  font-size: 1.3rem;
  color: #ffffff;
  margin: 0 0 0.25rem;
  border: none;
  padding: 0;
}

.tso-calc-banner p {
  margin: 0;
  font-size: 0.85rem;
  color: #cedbe0;
}

.tso-preset-strip {
  padding: 0.75rem 1.3rem;
  background: var(--tso-paper-tint);
  border-bottom: 1px solid var(--tso-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.tso-preset-btn {
  appearance: none;
  background: #ffffff;
  color: var(--tso-petrol);
  border: 1px solid var(--tso-rule-strong);
  border-radius: 3px;
  padding: 0.35rem 0.65rem;
  font-family: var(--tso-mono);
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
}

.tso-preset-btn:hover,
.tso-preset-btn.is-active {
  background: var(--tso-petrol);
  color: #ffffff;
  border-color: var(--tso-brass);
}

.tso-calc-grid {
  padding: 1.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

@media (max-width: 820px) {
  .tso-calc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .tso-calc-grid {
    grid-template-columns: 1fr;
  }
}

.tso-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.tso-field label {
  font-family: var(--tso-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--tso-petrol);
  text-transform: uppercase;
}

.tso-field input,
.tso-field select {
  width: 100%;
  padding: 0.52rem 0.65rem;
  border: 1px solid var(--tso-rule-strong);
  border-radius: 3px;
  background: #ffffff;
  color: var(--tso-ink);
  font-family: var(--tso-mono);
  font-size: 0.88rem;
}

.tso-field small {
  font-size: 0.74rem;
  color: var(--tso-ink-muted);
}

.tso-calc-outputs {
  padding: 0 1.3rem 1.3rem;
}

.tso-output-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .tso-output-cards {
    grid-template-columns: 1fr;
  }
}

.tso-out-box {
  background: #ffffff;
  border: 1px solid var(--tso-rule-strong);
  border-left: 4px solid var(--tso-petrol);
  padding: 0.85rem 1rem;
  border-radius: 3px;
}

.tso-out-box.is-brass {
  border-left-color: var(--tso-brass);
  background: var(--tso-brass-pale);
}

.tso-out-label {
  display: block;
  font-family: var(--tso-mono);
  font-size: 0.71rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tso-ink-muted);
}

.tso-out-value {
  display: block;
  font-family: var(--tso-serif);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--tso-petrol);
  margin: 0.2rem 0;
}

.tso-out-note {
  display: block;
  font-family: var(--tso-mono);
  font-size: 0.74rem;
  color: var(--tso-ink-muted);
}

.tso-meter-row {
  background: #ffffff;
  border: 1px solid var(--tso-rule);
  padding: 0.75rem 1rem;
  border-radius: 3px;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tso-meter-row label {
  font-family: var(--tso-mono);
  font-size: 0.75rem;
  color: var(--tso-petrol);
  font-weight: 700;
}

.tso-meter-row meter {
  width: 100%;
  height: 16px;
}

.tso-calc-sql-wrap {
  border: 1px solid var(--tso-petrol-soft);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.tso-calc-sql-head {
  background: #071921;
  color: #ebd096;
  padding: 0.45rem 0.95rem;
  font-family: var(--tso-mono);
  font-size: 0.73rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.tso-copy-btn {
  appearance: none;
  background: var(--tso-brass);
  color: #ffffff;
  border: 1px solid #d49b35;
  border-radius: 3px;
  padding: 0.22rem 0.62rem;
  font-family: var(--tso-mono);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
}

.tso-copy-btn:hover {
  background: var(--tso-brass-deep);
}

.tso-calc-cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}

/* CTA Buttons */
.tso-cta-brass {
  display: inline-block;
  background: var(--tso-brass);
  color: #ffffff !important;
  font-family: var(--tso-sans);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.56rem 1.05rem;
  border-radius: 3px;
  border: 1px solid var(--tso-brass-deep);
  text-decoration: none !important;
}

.tso-cta-brass:hover {
  background: var(--tso-petrol);
  border-color: var(--tso-petrol);
  color: #ffffff !important;
}

.tso-cta-petrol {
  display: inline-block;
  background: var(--tso-petrol);
  color: #ffffff !important;
  font-family: var(--tso-sans);
  font-size: 0.83rem;
  font-weight: 700;
  padding: 0.5rem 0.95rem;
  border-radius: 3px;
  border: 1px solid var(--tso-petrol);
  text-decoration: none !important;
}

.tso-cta-petrol:hover {
  background: var(--tso-brass-deep);
  border-color: var(--tso-brass-deep);
}

/* Cited Vendor Pricing Ledger (<figure class="tso-ledger comparison">) */
.tso-ledger {
  margin: 2rem 0;
  border: 1px solid var(--tso-rule-strong);
  background: #ffffff;
  border-radius: 3px;
  overflow-x: auto;
}

.tso-rate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.tso-rate-table caption {
  text-align: left;
  padding: 0.85rem 1.05rem;
  background: var(--tso-petrol);
  color: var(--tso-alabaster);
  font-family: var(--tso-serif);
  font-size: 1.08rem;
  font-weight: 700;
}

.tso-rate-table th,
.tso-rate-table td {
  padding: 0.72rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--tso-rule);
  vertical-align: top;
}

.tso-rate-table th {
  background: var(--tso-paper-tint);
  color: var(--tso-petrol);
  font-family: var(--tso-mono);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tso-ledger figcaption {
  padding: 0.8rem 1.05rem;
  background: var(--tso-alabaster);
  font-size: 0.79rem;
  color: var(--tso-ink-muted);
  line-height: 1.55;
}

.tso-ledger figcaption code {
  font-family: var(--tso-mono);
  font-size: 0.74rem;
  color: var(--tso-petrol);
}

/* Choose vs Avoid Decision Box */
.tso-decision-box {
  margin: 2.1rem 0;
}

.tso-choose-avoid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

@media (max-width: 720px) {
  .tso-choose-avoid {
    grid-template-columns: 1fr;
  }
}

.tso-choose,
.tso-avoid {
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--tso-rule-strong);
  border-radius: 3px;
  background: var(--tso-alabaster);
}

.tso-choose {
  border-top: 4px solid var(--tso-petrol);
}

.tso-avoid {
  border-top: 4px solid var(--tso-brass);
}

.tso-choose h3,
.tso-avoid h3 {
  font-family: var(--tso-serif);
  font-size: 1.08rem;
  color: var(--tso-petrol);
  margin: 0 0 0.7rem;
}

.tso-choose ul,
.tso-avoid ul {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
}

.tso-choose li,
.tso-avoid li {
  margin-bottom: 0.5rem;
}

/* Pipeline & Comparison Editorial Index */
.tso-pipeline-index {
  margin: 2.1rem 0;
}

.tso-index-columns {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 780px) {
  .tso-index-columns {
    grid-template-columns: 1fr;
  }
}

.tso-index-list,
.tso-audit-list,
.tso-pillar-list {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}

.tso-index-list li,
.tso-audit-list li {
  margin-bottom: 0.85rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--tso-rule);
}

.tso-index-code {
  display: inline-block;
  font-family: var(--tso-mono);
  font-size: 0.71rem;
  color: var(--tso-brass-deep);
  font-weight: 700;
  margin-right: 0.4rem;
}

/* Reader Objections FAQ (<details class="tso-qa-item">) */
.tso-objections {
  margin: 2.1rem 0 0.5rem;
}

.tso-qa-item {
  border: 1px solid var(--tso-rule-strong);
  border-radius: 3px;
  background: var(--tso-alabaster);
  margin-bottom: 0.7rem;
  padding: 0.8rem 1.05rem;
}

.tso-qa-item summary {
  font-family: var(--tso-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--tso-petrol);
  cursor: pointer;
}

.tso-qa-item div p {
  margin: 0.65rem 0 0;
  font-size: 0.92rem;
  color: var(--tso-ink);
  max-width: 75ch;
}

/* Breadcrumbs & Subpage Actions */
.tso-breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-family: var(--tso-mono);
  font-size: 0.76rem;
  color: var(--tso-ink-muted);
}

.tso-breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--tso-rule-strong);
}

.tso-brief-actions {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  background: var(--tso-brass-pale);
  border: 1px solid #dfca9f;
  border-radius: 3px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.tso-related-briefs ul {
  list-style: disc;
  padding-left: 1.3rem;
}

.tso-related-briefs li {
  margin-bottom: 0.45rem;
}

/* Broadsheet Footer */
.tso-footer {
  background: var(--tso-petrol);
  color: #d3e0e5;
  border-top: 3px solid var(--tso-brass);
  padding: 2rem 1.25rem;
  font-size: 0.84rem;
}

.tso-footer-inner {
  max-width: 1060px;
  margin: 0 auto;
}

.tso-footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.tso-footer-links a {
  color: #f3d28c;
  text-decoration: none;
  font-weight: 600;
}

.tso-footer-links a:hover {
  text-decoration: underline;
}

.tso-footer-note {
  margin: 0 0 0.55rem;
  color: #bfd0d7;
  max-width: 90ch;
}

.tso-footer-copy {
  margin: 0;
  font-family: var(--tso-mono);
  font-size: 0.77rem;
  color: #ebd096;
}