:root {
  --article-ink: #172026;
  --article-muted: #5f6b72;
  --article-soft: #f3f6f5;
  --article-accent: #0d6b5f;
  --article-accent-2: #dff3ee;
  --article-line: #d8e0df;
  --article-warm: #fff4df;
}
* { box-sizing: border-box; }
body.article-page { color: var(--article-ink); background: #fff; }
.article-hero { padding: clamp(3rem, 7vw, 6rem) 1.25rem 2.25rem; background: linear-gradient(180deg,#f7faf9 0%,#fff 100%); }
.blog-shell, .article-body, .article-footer-inner { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }
.article-hero-grid { display: block; }
.article-hero-copy { max-width: 800px; }
.eyebrow { margin: 0 0 .75rem; text-transform: uppercase; letter-spacing: 0; font-size: .78rem; font-weight: 750; color: var(--article-accent); }
.article-hero h1 { max-width: 20ch; margin: 0; font-size: clamp(2.2rem,5.2vw,4.8rem); line-height: .98; letter-spacing: 0; }
.article-dek { max-width: 62ch; margin: 1.25rem 0; font-size: clamp(1.05rem,2vw,1.35rem); line-height: 1.55; color: var(--article-muted); }
.article-meta { display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; font-size: .92rem; color: var(--article-muted); }
.metric-strip { margin-top: 2rem; display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; border: 1px solid var(--article-line); background: var(--article-line); border-radius: 8px; overflow: hidden; }
.metric { padding: 1.15rem; background: #fff; }
.metric strong { display: block; font-size: 1.8rem; line-height: 1; color: var(--article-accent); }
.metric span { display: block; margin-top: .45rem; font-size: .84rem; line-height: 1.35; color: var(--article-muted); }
.metric a { color: inherit; text-decoration-thickness: 1px; }
.article-body { padding: 2.5rem 0 5rem; max-width: 860px; }
.article-body p, .article-body li { font-size: 1.05rem; line-height: 1.72; }
.article-body h2 { margin: 3.25rem 0 1rem; font-size: clamp(1.7rem,3vw,2.45rem); line-height: 1.12; letter-spacing: 0; scroll-margin-top: 6rem; }
.article-body h3 { margin: 0 0 .5rem; font-size: 1.15rem; }
.article-body a { color: var(--article-accent); text-underline-offset: 3px; }
.reading-nav { padding: 1rem 1.1rem; border: 1px solid var(--article-line); border-radius: 8px; background: #fff; }
.reading-nav strong { display: block; margin-bottom: .5rem; }
.reading-nav ol { margin: 0; padding-left: 1.2rem; columns: 2; gap: 2rem; }
.reading-nav li { margin: .25rem 0; font-size: .94rem; break-inside: avoid; }
.key-takeaway { margin: 2rem 0; padding: 1.35rem 1.4rem; border-left: 5px solid var(--article-accent); background: var(--article-accent-2); border-radius: 0 8px 8px 0; }
.key-takeaway strong { display: block; margin-bottom: .35rem; }
.figure-card { margin: 2rem 0; padding: 1rem; border: 1px solid var(--article-line); border-radius: 8px; background: var(--article-soft); }
.figure-card img { width: 100%; display: block; border-radius: 8px; }
.figure-card figcaption { margin: .65rem .25rem 0; font-size: .82rem; color: var(--article-muted); }
.total-value-model { margin: 2.25rem 0; padding: 1.15rem; border: 1px solid var(--article-line); border-radius: 8px; background: linear-gradient(180deg,#fff 0%,var(--article-soft) 100%); }
.total-value-model > figcaption { margin: 0 0 .85rem; color: var(--article-muted); font-size: .82rem; font-weight: 700; text-transform: uppercase; }
.value-equation { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; padding: 1rem; border: 1px solid rgba(13,107,95,.18); border-radius: 8px; background: var(--article-accent-2); }
.value-equation span { padding: .42rem .62rem; border-radius: 8px; background: #fff; font-size: .92rem; font-weight: 750; color: var(--article-ink); }
.value-equation span:first-child { background: var(--article-accent); color: #fff; }
.value-equation strong { color: var(--article-accent); font-size: 1.2rem; line-height: 1; }
.value-drivers { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; margin-top: 1rem; border: 1px solid var(--article-line); border-radius: 8px; background: var(--article-line); overflow: hidden; }
.value-driver { min-height: 190px; padding: 1rem; background: #fff; position: relative; }
.value-driver::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--driver-color,var(--article-accent)); }
.value-driver.price { --driver-color: #0d6b5f; }
.value-driver.time { --driver-color: #2c6fbb; }
.value-driver.friction { --driver-color: #d89024; }
.value-driver.risk { --driver-color: #8b5aa8; }
.value-driver h3 { margin-top: .1rem; }
.value-driver p { margin: 0; color: var(--article-muted); font-size: .94rem; line-height: 1.55; }
.value-reading { margin: 1rem .1rem 0; color: var(--article-muted); font-size: .96rem; line-height: 1.6; }
.flow-comparison { margin: 2.25rem 0; }
.flow-comparison > figcaption { margin: 0 0 .75rem; color: var(--article-muted); font-size: .82rem; font-weight: 700; text-transform: uppercase; }
.flow-panels { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.flow-panel { min-height: 360px; padding: 1.15rem; border: 1px solid var(--article-line); border-radius: 8px; background: #fff; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.flow-panel-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.flow-panel-header span { color: var(--article-accent); font-size: .76rem; font-weight: 800; text-transform: uppercase; }
.flow-panel-header strong { max-width: 11rem; text-align: right; font-size: 1rem; line-height: 1.2; }
.flow-stage { min-height: 190px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: .55rem; }
.flow-line { width: 38px; height: 2px; background: var(--article-line); position: relative; }
.flow-line::after { content: ""; position: absolute; right: -1px; top: 50%; width: 7px; height: 7px; border-top: 2px solid var(--article-line); border-right: 2px solid var(--article-line); transform: translateY(-50%) rotate(45deg); }
.flow-network { min-height: 190px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .7rem; align-content: center; position: relative; }
.flow-network::before { content: ""; position: absolute; inset: 26% 13%; border: 1px dashed rgba(13,107,95,.35); border-radius: 8px; }
.flow-node { min-height: 58px; padding: .65rem .55rem; border: 1px solid var(--article-line); border-radius: 8px; background: #f9fbfa; display: grid; place-items: center; text-align: center; color: var(--article-ink); font-size: .84rem; font-weight: 750; line-height: 1.2; position: relative; z-index: 1; }
.flow-node.hub { background: var(--article-accent-2); border-color: rgba(13,107,95,.28); color: var(--article-accent); }
.flow-node.hotspot { background: var(--article-warm); border-color: #edd8aa; }
.flow-panel p { margin: 1rem 0 0; color: var(--article-muted); font-size: .94rem; line-height: 1.55; }
.booking-window-model { margin: 2.25rem 0; padding: 1.15rem; border: 1px solid var(--article-line); border-radius: 8px; background: #fff; }
.booking-window-model > figcaption { margin: 0 0 .85rem; color: var(--article-muted); font-size: .82rem; font-weight: 700; text-transform: uppercase; }
.booking-path { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; border: 1px solid var(--article-line); border-radius: 8px; background: var(--article-line); overflow: hidden; }
.booking-step { min-height: 205px; padding: 1rem; background: #fff; position: relative; }
.booking-step::after { content: ""; position: absolute; top: 50%; right: -.55rem; z-index: 2; width: 1.1rem; height: 1.1rem; border-top: 1px solid var(--article-line); border-right: 1px solid var(--article-line); background: inherit; transform: translateY(-50%) rotate(45deg); }
.booking-step:last-child::after { display: none; }
.booking-step span { display: grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: .9rem; border-radius: 50%; background: var(--article-accent-2); color: var(--article-accent); font-size: .8rem; font-weight: 800; }
.booking-step h3 { margin-bottom: .45rem; }
.booking-step p { margin: 0; color: var(--article-muted); font-size: .94rem; line-height: 1.55; }
.booking-step.is-waiting { background: #fbf7ee; }
.booking-step.is-trigger { background: #f4f7fb; }
.booking-step.is-conversion { background: #f1f8f5; }
.booking-window-model > p { margin: 1rem .1rem 0; color: var(--article-muted); font-size: .96rem; line-height: 1.6; }
.opportunity-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin: 1.25rem 0; }
.opportunity-card { padding: 1.25rem; border: 1px solid var(--article-line); border-radius: 8px; background: #fff; }
.opportunity-card p { margin: 0; font-size: .96rem; line-height: 1.58; }
.tag { display: inline-flex; margin-bottom: .65rem; padding: .25rem .55rem; border-radius: 999px; background: var(--article-warm); font-size: .74rem; font-weight: 750; letter-spacing: 0; text-transform: uppercase; }
.action-list { display: grid; gap: .75rem; padding: 0; list-style: none; counter-reset: steps; }
.action-list li { position: relative; padding: 1rem 1rem 1rem 3.4rem; border: 1px solid var(--article-line); border-radius: 8px; background: #fff; }
.action-list li::before { counter-increment: steps; content: counter(steps); position: absolute; left: 1rem; top: 1rem; width: 1.7rem; height: 1.7rem; display: grid; place-items: center; border-radius: 50%; background: var(--article-accent); color: #fff; font-size: .82rem; font-weight: 700; }
.ai-panel { margin-top: 1.25rem; padding: 1.5rem; border-radius: 8px; background: #152b29; color: #fff; }
.ai-panel p { color: #dbe9e7; }
.ai-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin-top: 1rem; }
.ai-item { padding: 1rem; border: 1px solid rgba(255,255,255,.18); border-radius: 8px; }
.ai-item h3 { color: #fff; }
.ai-item p { margin: 0; font-size: .93rem; line-height: 1.55; }
.inline-cta { margin: 2.5rem 0; padding: 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; border-radius: 8px; background: var(--article-warm); }
.inline-cta p { margin: .35rem 0 0; font-size: .96rem; }
.button.primary { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: .75rem 1rem; border-radius: 8px; background: var(--article-accent); color: #fff; text-decoration: none; white-space: nowrap; font-weight: 700; }
.faq details { border-top: 1px solid var(--article-line); padding: 1rem 0; }
.faq details:last-child { border-bottom: 1px solid var(--article-line); }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin-bottom: 0; font-size: .96rem; }
.sources { padding-left: 1.2rem; }
.sources li { margin: .55rem 0; font-size: .9rem; }
.article-cta { padding: 2.5rem 1rem; background: var(--article-soft); }
.article-cta-box { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.article-cta h2 { margin: 0; font-size: clamp(1.45rem,3vw,2.3rem); }
@media (max-width: 800px) {
  .metric-strip { grid-template-columns: repeat(2,1fr); }
  .reading-nav ol { columns: 1; }
  .opportunity-grid, .ai-grid, .flow-panels, .value-drivers, .booking-path { grid-template-columns: 1fr; }
  .flow-panel { min-height: 0; }
  .booking-step { min-height: 0; }
  .booking-step::after { top: auto; right: 50%; bottom: -.55rem; transform: translateX(50%) rotate(135deg); }
  .inline-cta, .article-cta-box { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 480px) {
  .metric-strip { grid-template-columns: 1fr; }
  .article-hero { padding-top: 2.5rem; }
  .value-equation { align-items: stretch; flex-direction: column; }
  .value-equation strong { align-self: center; }
  .flow-stage { grid-template-columns: 1fr; }
  .flow-line { width: 2px; height: 22px; justify-self: center; }
  .flow-line::after { right: 50%; top: auto; bottom: -1px; transform: translateX(50%) rotate(135deg); }
  .flow-network { grid-template-columns: 1fr 1fr; }
}