/* Build 5.1: one headline, a clear skim layer, and supporting explanation. */
:root { --header-height:80px; --line:#01382338; }
h2,h3 { font-weight:400; }
.skip-link { position:fixed; z-index:100; left:var(--page-gutter); top:12px; padding:14px 20px; color:var(--forest); background:var(--pearl); font-size:18px; transform:translateY(-180%); }
.skip-link:focus { transform:none; outline:2px solid var(--forest); outline-offset:3px; }
[data-surface=pearl] a:focus-visible { outline-color:var(--forest); }
.site-header { position:fixed; z-index:50; min-height:var(--header-height); background:#061711; transition:background-color .2s,color .2s,border-color .2s; }
.site-header[data-surface=cinema] { background:transparent; }
.site-header[data-surface=forest] { background:#061711; }
.site-header[data-surface=pearl] { color:var(--forest); background:var(--pearl); border-color:var(--line); }
.site-header[data-surface=pearl] .brand img { filter:brightness(0) saturate(100%) invert(15%) sepia(40%) saturate(1300%) hue-rotate(110deg) brightness(84%); }
.site-header[data-surface=pearl] p { color:#315743; }
.site-header[data-surface=pearl] .contact-arrow { color:var(--pine); }

.journey { z-index:0; }
.cinematic-frame { translate:0 var(--handoff-offset,0px); }
.typography-stage { opacity:var(--handoff-text-opacity,1); }
.phase-navigation { opacity:var(--handoff-rail-opacity,1); }
main>section:not(.journey) { position:relative; z-index:2; }
[id] { scroll-margin-top:calc(var(--header-height) + 24px); }
[data-surface=pearl] { color:var(--ink); background:var(--pearl); color-scheme:light; }
.proof-section { padding:94px var(--page-gutter) 76px; }
.proof-figures { display:grid; grid-template-columns:1.22fr 1.2fr .82fr 1fr; align-items:start; gap:32px; margin:0; }
.proof-figures>div { display:flex; flex-direction:column; }
.proof-figures dd { order:-1; margin:0 0 18px; font-size:clamp(62px,5.8vw,98px); line-height:1; letter-spacing:-.055em; white-space:nowrap; }
.proof-figures [data-proof=sourced] dd { font-size:clamp(74px,7vw,120px); }
.proof-figures dd span { font-size:.52em; letter-spacing:-.025em; }
.proof-figures dt { color:#31503f; font-size:19px; line-height:1.4; }

.role-statement { display:grid; grid-template-columns:1fr 1.2fr; gap:10%; margin-top:74px; padding-top:40px; border-top:1px solid var(--line); }
.role-statement h2 { margin:0; max-width:460px; font-size:clamp(26px,2.15vw,34px); line-height:1.3; letter-spacing:-.025em; }
.role-statement p { margin:0; max-width:56ch; font-size:clamp(21px,1.5vw,24px); line-height:1.5; color:#355444; }
.role-statement p span { display:block; margin-top:18px; font-size:.9em; color:var(--forest); }
.economic-thesis { background:var(--forest); }
.economic-argument { padding:78px var(--page-gutter) 64px; }
.economic-argument>h2 { margin:0 0 48px; font-size:clamp(44px,4.5vw,72px); letter-spacing:-.045em; line-height:1.08; }
.economic-levers { list-style:none; margin:0; padding:0; }
.economic-levers li { display:grid; grid-template-columns:44px minmax(0,1fr) minmax(0,1.12fr); align-items:baseline; column-gap:30px; padding:30px 0 33px; border-top:1px solid #cde4d642; }
.lever-number { color:var(--teal); font-size:16px; font-variant-numeric:tabular-nums; }
.economic-levers h3 { margin:0; font-size:clamp(29px,2.4vw,38px); line-height:1.2; letter-spacing:-.025em; }
.economic-levers h3 span { white-space:nowrap; }
.economic-levers p { max-width:44ch; margin:0; color:#c4d8cc; font-size:21px; line-height:1.55; }
.economic-consequence { max-width:100%; margin:0; padding:32px 0 0 74px; border-top:1px solid #cde4d642; font-size:clamp(24px,2.15vw,34px); letter-spacing:-.025em; line-height:1.35; text-wrap:pretty; }
.economic-consequence em { color:var(--teal); }
.contact-section { padding:54px var(--page-gutter) 28px; background:var(--forest); }
.contact-section h2 { margin:0; font-size:clamp(54px,7vw,112px); line-height:1.05; letter-spacing:-.05em; }
.contact-section h2 em { color:var(--teal); }
.contact-closing { display:flex; justify-content:space-between; align-items:center; gap:35px; margin:37px 0 65px; }
.contact-closing p { margin:0; font-size:23px; line-height:1.45; color:#deebe3; }
.contact-link { display:inline-flex; align-items:center; gap:45px; min-height:52px; padding-bottom:9px; border-bottom:1px solid var(--teal); font-size:25px; line-height:1.4; text-decoration:none; }
.contact-link span { color:var(--teal); }
.page-colophon { display:flex; justify-content:space-between; align-items:baseline; gap:30px; border-top:1px solid #cde4d638; padding-top:24px; }
.page-colophon p { margin:0; font-size:15px; line-height:1.45; color:#c4d8cc; }
.page-colophon .visual-note { max-width:230px; text-align:right; font-size:13px; }
.footer-navigation { display:flex; flex-wrap:wrap; gap:10px 25px; font-size:15px; }
.footer-navigation a { padding:8px 0; text-decoration:none; text-underline-offset:5px; }
.footer-navigation a:hover { text-decoration:underline; }
@media(min-width:681px) and (max-width:1100px) {
  .role-statement { gap:6%; }
  .economic-levers li { column-gap:20px; grid-template-columns:34px minmax(0,1fr) minmax(0,1.12fr); }
  .economic-consequence { padding-left:54px; }
  .role-statement h2 br { display:none; }
  .contact-link { font-size:21px; gap:25px; }
}
@media(max-width:680px) {
  :root { --header-height:72px; }
  .site-header { min-height:var(--header-height); }
  .phase-navigation { display:flex; justify-content:space-between; gap:8px; bottom:14px; }
  .phase-navigation button { display:flex; flex:0 0 37px; align-items:center; gap:10px; min-height:46px; padding:12px 0 0; }
  .phase-navigation button[aria-current] { flex:1 1 auto; }
  .phase-navigation span { margin:0; font-size:14px; }
  .phase-navigation strong { display:none; font-size:14px; white-space:nowrap; }
  .phase-navigation button[aria-current] strong { display:block; }

  .proof-section { padding:62px var(--page-gutter) 48px; }
  .proof-figures { grid-template-columns:1.05fr 1fr; align-items:start; gap:35px 19px; }
  .proof-figures dd,.proof-figures [data-proof=sourced] dd { font-size:clamp(51px,14vw,74px); margin-bottom:12px; }
  .proof-figures [data-proof=sourced] dd { font-size:clamp(58px,15.6vw,83px); }
  .proof-figures dt { font-size:17px; line-height:1.35; }

  .role-statement { display:block; margin-top:45px; padding-top:30px; }
  .role-statement h2 { font-size:25px; line-height:1.3; }
  .role-statement h2 br { display:none; }
  .role-statement p { margin-top:20px; font-size:20px; line-height:1.45; }
  .role-statement p span { margin-top:16px; font-size:18px; }
  .economic-argument { padding:50px var(--page-gutter) 36px; }
  .economic-argument>h2 { max-width:15ch; margin-bottom:30px; font-size:clamp(36px,9.6vw,56px); line-height:1.1; }
  .economic-levers li { display:grid; grid-template-columns:26px minmax(0,1fr); column-gap:13px; padding:25px 0 28px; }
  .lever-number { font-size:14px; }
  .economic-levers h3 { max-width:none; font-size:29px; line-height:1.15; }
  .economic-levers h3 span { white-space:nowrap; }
  .economic-levers p { grid-column:2; margin-top:13px; font-size:19px; line-height:1.5; }
  .economic-consequence { padding:27px 0 0; font-size:25px; line-height:1.35; }
  .economic-consequence em { white-space:nowrap; }
  .contact-section { padding:46px var(--page-gutter) 25px; }
  .contact-section h2 { font-size:clamp(37px,10.1vw,61px); }
  .contact-section h2 span,.contact-section h2 em { white-space:nowrap; }
  .contact-closing { display:block; margin:25px 0 43px; }
  .contact-closing p { font-size:19px; line-height:1.45; }
  .contact-closing p br { display:none; }
  .contact-link { gap:24px; margin-top:23px; font-size:21px; }
  .page-colophon { display:block; padding-top:22px; }
  .page-colophon p { margin-bottom:12px; font-size:14px; }
  .page-colophon .visual-note { max-width:none; margin-bottom:0; text-align:left; font-size:12px; }
  .footer-navigation { margin:5px 0 16px; gap:5px 22px; }
}
@media(max-width:680px) and (max-height:740px) {
  .hero-intro { top:94px; }
  .hero-intro .phase-kicker { display:none; }
  .intro-description { margin-top:12px; }
  .intro-action { margin-top:4px; }
}

/* Compact browser heights, including desktop zoom: keep copy clear of the rail. */
@media(max-height:520px) {
  .hero-intro { top:calc(var(--header-height) + 16px); }
  .hero-intro .phase-kicker { display:none; }
  .hero-intro h1 { font-size:clamp(30px,7vh,38px); }
  .intro-description { margin-top:12px; font-size:18px; line-height:1.35; }
  .intro-action { margin-top:4px; min-height:36px; }
  .phase-panel { top:calc(var(--header-height) + 16px); }
  .phase-panel .phase-kicker { margin-bottom:12px; }
  .phase-panel h2 { font-size:clamp(34px,8vh,42px); }
  .phase-description { margin-top:14px; font-size:18px; line-height:1.35; }
  .final-lockup { top:calc(var(--header-height) + 16px); }
  .final-lockup h2 { font-size:clamp(54px,18vh,78px); }
  .final-support { top:calc(var(--header-height) + 150px); }
  .final-support p { display:none; }
  .final-support .primary-action { margin-top:0; min-height:36px; }
}

@media(prefers-reduced-motion:reduce) { .site-header { transition:none!important; } }