:root {
  --ink: #11120f;
  --paper: #f4f3ed;
  --white: #ffffff;
  --muted: #62645e;
  --line: #d4d4cc;
  --forest: #18483b;
  --forest-dark: #0d3027;
  --signal: #bb3e35;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
  --mono: "DM Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); letter-spacing: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 3px; }
button, input { font: inherit; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; color: var(--white); background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.seo-header { position: absolute; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 76px; padding: 14px 5vw; color: var(--white); border-bottom: 1px solid rgba(255,255,255,0.3); }
.seo-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.seo-brand img { width: 34px; height: 34px; filter: invert(1); }
.seo-brand strong { font-size: 0.92rem; }
.seo-nav { display: flex; align-items: center; gap: 24px; }
.seo-nav a { font-size: 0.74rem; font-weight: 700; text-decoration: none; }
.seo-nav .nav-cta { padding: 11px 15px; color: var(--ink); background: var(--white); border-radius: 3px; }

.seo-hero { position: relative; display: grid; min-height: 660px; max-height: 78vh; overflow: hidden; color: var(--white); background: #272923; }
.seo-hero-media, .seo-hero-scrim { position: absolute; inset: 0; }
.seo-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: var(--hero-position, center); }
.seo-hero-scrim { background: linear-gradient(90deg, rgba(8,9,7,0.83) 0%, rgba(8,9,7,0.58) 49%, rgba(8,9,7,0.16) 100%); }
.seo-hero-inner { position: relative; z-index: 2; align-self: end; width: min(940px, 90vw); padding: 132px 5vw 72px; }
.breadcrumbs { display: flex; gap: 7px; align-items: center; margin: 0 0 22px; font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; }
.breadcrumbs a { color: rgba(255,255,255,0.8); }
.eyebrow { margin: 0; font-family: var(--mono); font-size: 0.68rem; font-weight: 500; text-transform: uppercase; }
.seo-hero h1 { max-width: 860px; margin: 12px 0 18px; font-family: var(--serif); font-size: 4.5rem; font-weight: 400; line-height: 0.96; letter-spacing: 0; }
.seo-hero-lede { max-width: 680px; margin: 0; font-size: 1.08rem; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.primary-cta, .secondary-cta { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 13px 18px; border: 1px solid transparent; border-radius: 3px; font-size: 0.78rem; font-weight: 800; text-decoration: none; }
.primary-cta { color: var(--white); background: var(--forest); }
.primary-cta:hover { background: var(--forest-dark); }
.seo-hero .primary-cta { color: var(--ink); background: var(--white); }
.secondary-cta { color: inherit; border-color: currentColor; background: transparent; }

.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--ink); color: var(--white); }
.proof-strip div { min-height: 118px; padding: 28px 5vw; border-right: 1px solid #3d3e38; }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { display: block; margin-bottom: 6px; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.proof-strip span { color: #c9cbc4; font-size: 0.72rem; line-height: 1.5; }

.content-band { padding: 88px 5vw; }
.content-band.white { background: var(--white); }
.content-band.dark { color: var(--white); background: var(--ink); }
.content-inner { width: min(1160px, 100%); margin: 0 auto; }
.narrow { width: min(790px, 100%); }
.section-heading { max-width: 780px; margin-bottom: 42px; }
.section-heading h2 { margin: 9px 0 14px; font-family: var(--serif); font-size: 3.5rem; font-weight: 400; line-height: 1; letter-spacing: 0; }
.section-heading p, .body-copy p, .body-copy li { color: var(--muted); line-height: 1.75; }
.dark .section-heading p, .dark .body-copy p, .dark .body-copy li { color: #c9cbc4; }
.body-copy h2 { margin: 58px 0 16px; font-family: var(--serif); font-size: 2.6rem; font-weight: 400; line-height: 1.05; }
.body-copy h3 { margin: 34px 0 8px; font-size: 1rem; }
.body-copy ul, .body-copy ol { padding-left: 22px; }
.body-copy a:not(.primary-cta):not(.secondary-cta) { color: var(--forest); font-weight: 700; }
.dark .body-copy a:not(.primary-cta):not(.secondary-cta) { color: #9ad1be; }
.lead { font-family: var(--serif); font-size: 1.85rem; line-height: 1.3; }
.citation { font-size: 0.74rem; }

.step-grid, .comparison-grid, .signal-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.step-grid article, .comparison-grid article, .signal-grid article { padding: 24px 0 0; border-top: 1px solid var(--ink); }
.dark .step-grid article, .dark .comparison-grid article, .dark .signal-grid article { border-color: #686a61; }
.step-grid span { font-family: var(--mono); font-size: 0.68rem; }
.step-grid h3, .comparison-grid h3, .signal-grid h3 { margin: 28px 0 8px; font-size: 1rem; }
.step-grid p, .comparison-grid p, .signal-grid p { margin: 0; color: var(--muted); font-size: 0.84rem; line-height: 1.65; }
.dark .step-grid p, .dark .comparison-grid p, .dark .signal-grid p { color: #c9cbc4; }

.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; margin: 0; }
.feature-list div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 20px 0; border-top: 1px solid var(--line); }
.feature-list dt { font-weight: 800; }
.feature-list dd { margin: 0; color: var(--muted); line-height: 1.55; }

.image-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.image-row figure { margin: 0; }
.image-row img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.image-row figcaption { padding: 10px 2px 0; color: var(--muted); font-size: 0.68rem; line-height: 1.45; }

.result-layout { display: grid; grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.1fr); gap: 58px; align-items: start; }
.result-layout > img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.result-details h2 { margin: 8px 0 18px; font-family: var(--serif); font-size: 3.4rem; font-weight: 400; line-height: 1; }
.result-details > p { color: var(--muted); line-height: 1.65; }
.result-details dl { margin: 30px 0; }
.result-details dl div { display: grid; grid-template-columns: 170px 1fr; gap: 18px; padding: 13px 0; border-top: 1px solid var(--line); }
.result-details dt { font-size: 0.72rem; font-weight: 800; }
.result-details dd { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.5; }
.result-note { padding: 17px 18px; border-left: 3px solid var(--forest); background: #eceee7; font-size: 0.78rem; line-height: 1.6; }

.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric-row div { padding: 26px 18px; border-right: 1px solid var(--line); }
.metric-row div:last-child { border-right: 0; }
.metric-row strong { display: block; font-family: var(--serif); font-size: 2.7rem; font-weight: 400; }
.metric-row span { color: var(--muted); font-size: 0.7rem; line-height: 1.45; }

.cta-band { padding: 68px 5vw; color: var(--white); background: var(--forest); }
.cta-band .content-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 34px; align-items: center; }
.cta-band h2 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: 3.2rem; font-weight: 400; line-height: 1; }
.cta-band p { margin: 12px 0 0; color: #d9e7e1; }
.cta-band .primary-cta { color: var(--ink); background: var(--white); }

.seo-footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 28px; align-items: start; padding: 38px 5vw; border-top: 1px solid var(--line); background: var(--paper); }
.seo-footer .seo-brand img { filter: none; }
.seo-footer p { margin: 4px 0 0; color: var(--muted); font-size: 0.72rem; }
.seo-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 18px; max-width: 560px; }
.seo-footer nav a { font-size: 0.7rem; }

@media (max-width: 820px) {
  .seo-header { min-height: 64px; padding: 10px 16px; }
  .seo-brand strong { font-size: 0.78rem; }
  .seo-nav a:not(.nav-cta) { display: none; }
  .seo-nav .nav-cta { padding: 9px 11px; font-size: 0.68rem; }
  .seo-hero { min-height: 620px; max-height: 82svh; }
  .seo-hero-scrim { background: linear-gradient(0deg, rgba(8,9,7,0.9) 0%, rgba(8,9,7,0.54) 72%, rgba(8,9,7,0.3) 100%); }
  .seo-hero-inner { width: 100%; padding: 110px 18px 42px; }
  .seo-hero h1 { font-size: 3rem; }
  .seo-hero-lede { font-size: 0.92rem; line-height: 1.55; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip div { min-height: 0; padding: 18px; border-right: 0; border-bottom: 1px solid #3d3e38; }
  .proof-strip div:last-child { border-bottom: 0; }
  .proof-strip strong { display: inline; margin-right: 5px; font-family: var(--sans); font-size: 0.78rem; font-weight: 800; }
  .content-band { padding: 64px 18px; }
  .section-heading h2 { font-size: 2.65rem; }
  .body-copy h2 { margin-top: 44px; font-size: 2.2rem; }
  .lead { font-size: 1.55rem; }
  .step-grid, .comparison-grid, .signal-grid, .feature-list, .result-layout { grid-template-columns: 1fr; }
  .feature-list { gap: 0; }
  .feature-list div { grid-template-columns: 110px 1fr; gap: 14px; }
  .image-row { grid-template-columns: 1fr 1fr; }
  .result-layout { gap: 30px; }
  .result-details h2 { font-size: 2.7rem; }
  .result-details dl div { grid-template-columns: 120px 1fr; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .metric-row div:nth-child(2) { border-right: 0; }
  .metric-row div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cta-band { padding: 50px 18px; }
  .cta-band .content-inner { grid-template-columns: 1fr; }
  .cta-band h2 { font-size: 2.5rem; }
  .seo-footer { grid-template-columns: 1fr; padding: 32px 18px; }
  .seo-footer nav { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}