/* Impact page with the existing ocean illustrations and ambient animations. */
@font-face {
  font-family: "Sora";
  src: url('assets/sora-700.woff2') format('woff2');
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans";
  src: url('assets/noto-sans-400.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans";
  src: url('assets/noto-sans-700.woff2') format('woff2');
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
:root {
  color-scheme: light;
  --wire-ink: #afb3b7;
  --wire-copy: #dfe1e3;
  --wire-line: #e5e6e8;
  --wire-surface: #f3f4f5;
  --wire-max: 1440px;
  --wire-gutter: 28px;
  --wire-radius: 30px;
}

* { box-sizing: border-box; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
html { scroll-padding-top: 118px; }
body { margin: 0; background: #fff; }
.skip-link { position: fixed; top: 8px; left: 15px; z-index: 100; transform: translateY(-150%); padding: 12px 20px; border-radius: 10px; background: #0a1740; color: #fff; font: 14px/1.5 "Noto Sans", Arial, sans-serif; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 12px; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 90%; max-width: var(--wire-max); min-height: 83px; margin: 10px auto; padding: 17.5px 20px; border: 1px solid rgb(255 255 255 / .72); border-radius: 44px; background: linear-gradient(135deg, rgb(255 255 255 / .74), rgb(238 245 255 / .48)); box-shadow: inset 0 1px 0 #fff, inset 0 -1px 0 rgb(255 255 255 / .36), 0 8px 30px rgb(10 23 64 / .09); backdrop-filter: blur(18px) saturate(1.35); -webkit-backdrop-filter: blur(18px) saturate(1.35); font-family: "Noto Sans", Arial, sans-serif; }
.site-header a { text-decoration: none; -webkit-tap-highlight-color: transparent; }
.site-header a:focus-visible, .nav-toggle:focus-visible { outline: 3px solid #014bd0; outline-offset: 5px; }
.wordmark { display: inline-flex; flex-shrink: 0; align-items: center; }
.wordmark img { display: block; width: 150px; height: auto; }
.section-nav { display: flex; align-items: center; justify-content: center; padding: 4px 6px; border-radius: 999px; background: linear-gradient(180deg, #1263e9 0%, #014bd0 60%, #0041b7 100%); box-shadow: inset 0 1px 0 rgb(255 255 255 / .35), 0 4px 12px rgb(1 75 208 / .16); }
.section-nav a { display: flex; align-items: center; min-height: 46px; padding: 10px 12px; border-radius: 999px; color: #fff; font-size: 15px; font-weight: 700; line-height: 1.5; white-space: nowrap; text-shadow: 0 1px 2px rgb(10 23 64 / .2); }
.section-nav a:hover, .section-nav a[aria-current] { background: rgb(255 255 255 / .17); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .35), inset 0 1px 2px rgb(255 255 255 / .4); }
.site-header .section-nav a:focus-visible { outline: 2px solid #f9c21d; outline-offset: 2px; }
.nav-button, .contact-button { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; min-height: 48px; padding: 14px 28px; border-radius: 70px; background: #014bd0; color: #fff; font-size: 14px; font-weight: 700; line-height: 20px; white-space: nowrap; box-shadow: inset 0 1px 1px rgb(255 255 255 / .36), 0 3px 8px rgb(1 75 208 / .2); }
.nav-button:hover, .contact-button:hover { background: #003cab; }
.nav-button:active, .contact-button:active { background: #002e87; }
.nav-toggle { display: none; flex: 0 0 44px; width: 44px; height: 44px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; padding: 0; border: 1px solid #d6dcea; border-radius: 50%; background: rgb(255 255 255 / .65); color: #014bd0; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }
.wireframe { width: min(var(--wire-max), calc(100% - var(--wire-gutter) * 2)); margin: 0 auto; }
.bar { height: 10px; border-radius: 3px; background: var(--wire-copy); }
.full { width: 100%; }
.wide { width: 88%; }
.medium { width: 68%; }
.short { width: 44%; }
.copy-lines { display: grid; gap: 12px; }
.heading { height: 28px; background: var(--wire-ink); }
.opening { position: relative; width: 100%; min-width: 0; display: grid; align-items: end; aspect-ratio: 3 / 1; min-height: 280px; padding: clamp(28px, 4.4vw, 64px); margin: var(--wire-gutter) 0; border-radius: var(--wire-radius); overflow: hidden; }
.opening-animation { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; background: #e4e6e9; }
.opening::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(10 23 64 / .88), rgb(10 23 64 / .72) 55%, rgb(10 23 64 / .18)); pointer-events: none; }
.opening-primary { position: relative; z-index: 1; width: min(780px, 74%); min-width: 0; min-height: 0; max-height: 100%; overflow: auto; overflow-wrap: anywhere; scrollbar-width: thin; color: #fff; }
.opening h1 { margin: 0; font-family: "Sora", Arial, sans-serif; font-size: clamp(30px, 3.4vw, 48px); font-weight: 700; line-height: 1.16; letter-spacing: -.035em; }
.opening-subtext { max-width: 590px; margin: 20px 0 0; font-family: "Noto Sans", Arial, sans-serif; font-size: clamp(16px, 1.3vw, 18px); font-weight: 400; line-height: 1.65; }
.action-placeholder { width: 160px; height: 48px; border-radius: 26px; background: var(--wire-ink); }
.layout-section { margin-bottom: var(--wire-gutter); }
.process-heading, .results-band { padding: 44px 28px; margin: 0 0 var(--wire-gutter); border-radius: var(--wire-radius); background: var(--wire-surface); text-align: center; }
.process-heading { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.challenge-fact { min-width: 0; padding: 0 24px; }
.challenge-fact + .challenge-fact { border-left: 1px solid #d9dfe7; }
.challenge-fact dt, .results-band h2 { color: #014bd0; font-family: "Sora", Arial, sans-serif; font-size: clamp(24px, 2.3vw, 32px); font-weight: 700; line-height: 1.25; letter-spacing: -.035em; text-wrap: balance; }
.challenge-fact dd, .results-band p { margin: 12px 0 0; color: #52617a; font-family: "Noto Sans", Arial, sans-serif; font-size: 16px; line-height: 1.5; }
.tile-grid { display: flex; flex-direction: column; gap: var(--wire-gutter); }
.step-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: var(--wire-gutter); }
.step-row > .step { width: 100%; }
.step { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; align-self: flex-start; width: calc((100% - var(--wire-gutter)) / 2); min-width: 0; aspect-ratio: 1; padding: clamp(28px, 4vw, 56px); border-radius: var(--wire-radius); background: #e9ebed; }
.step:nth-child(even) { align-self: flex-end; background: #eff0f2; }
.step-introduction, .step-model, .step-study, .step-impact { position: relative; isolation: isolate; overflow: hidden; align-items: flex-start; color: #fff; background: #badfd5; }
.step-illustration, .step-animation { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; display: block; object-fit: cover; }
.step-copy { width: 100%; min-width: 0; min-height: 0; max-height: 100%; overflow: auto; overflow-wrap: anywhere; scrollbar-width: thin; }
.step-copy:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; border-radius: 4px; }
.step-introduction::before, .step-model::before, .step-study::before, .step-impact::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 20%, rgb(10 23 64 / .2) 38%, rgb(10 23 64 / .84) 65%, rgb(10 23 64 / .96)); pointer-events: none; }
.step-introduction h2, .step-model h2, .step-study h2, .step-impact h2 { margin: 0; font-family: "Sora", Arial, sans-serif; font-size: clamp(26px, 3.2vw, 44px); font-weight: 700; line-height: 1.18; letter-spacing: -.035em; }
.step-introduction p, .step-model p, .step-study p, .step-impact p { max-width: 430px; margin: 22px 0 0; color: #fff; font-family: "Noto Sans", Arial, sans-serif; font-size: clamp(16px, 1.4vw, 18px); line-height: 1.65; }
.step-row-model { grid-template-areas: "example tile"; }
.step-row-model > .step-model { grid-area: tile; align-self: center; }
.model-example { grid-area: example; min-width: 0; padding: 20px clamp(28px, 4vw, 56px); color: #0a1740; font-family: "Noto Sans", Arial, sans-serif; }
.model-example h3 { margin: 0 0 20px; font-family: "Sora", Arial, sans-serif; font-size: 17px; font-weight: 700; line-height: 1.4; letter-spacing: -.025em; }
.example-inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 0; }
.example-input { position: relative; }
.example-input + .example-input::before { content: "×"; position: absolute; left: -19px; top: 4px; color: #52617a; font-size: 18px; }
.example-input dt { font-family: "Sora", Arial, sans-serif; font-size: clamp(18px, 1.8vw, 24px); font-weight: 700; line-height: 1.3; letter-spacing: -.035em; }
.example-input dd { margin: 6px 0 0; color: #52617a; font-size: 13px; line-height: 1.5; }
.example-target { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; font-size: 15px; line-height: 1.3; }
.example-target strong { color: #014bd0; font-family: "Sora", Arial, sans-serif; font-size: clamp(30px, 3vw, 40px); font-weight: 700; letter-spacing: -.035em; }
.example-target > span:first-child { color: #52617a; font-size: 24px; }
.example-summary { margin: 8px 0 0; color: #52617a; font-size: 13px; line-height: 1.6; }
.example-pace { width: 100%; margin-top: 24px; border-collapse: collapse; font-size: 14px; line-height: 1.5; }
.example-pace caption { padding: 0 0 12px; text-align: left; font-weight: 700; }
.example-pace caption span { display: block; margin-top: 4px; color: #52617a; font-size: 13px; font-weight: 400; }
.example-pace th, .example-pace td { padding: 9px 0; border-bottom: 1px solid #d9dfe7; text-align: left; }
.example-pace th { width: 28%; padding-right: 12px; font-weight: 400; white-space: nowrap; }
.example-pace td strong { color: #014bd0; font-weight: 700; }
.example-pace td span { color: #52617a; }
.example-conditions { margin-top: 18px; color: #52617a; font-size: 14px; line-height: 1.6; }
.example-conditions p { margin: 0; }
.example-conditions p + p { margin-top: 12px; }
.step-row-study > .step-study { align-self: center; }
.contribution-details { min-width: 0; padding: 20px clamp(28px, 4vw, 56px); color: #0a1740; font-family: "Noto Sans", Arial, sans-serif; }
.contribution-details h3 { margin: 0 0 26px; font-family: "Sora", Arial, sans-serif; font-size: 17px; font-weight: 700; line-height: 1.4; letter-spacing: -.025em; }
.contribution-paths { display: grid; gap: 24px; margin: 0; padding: 0; list-style: none; }
.contribution-paths li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; }
.contribution-paths li + li { padding-top: 24px; border-top: 1px solid #d9dfe7; }
.contribution-number { padding-top: 1px; color: #014bd0; font-family: "Sora", Arial, sans-serif; font-size: 20px; font-weight: 700; line-height: 1.4; }
.contribution-paths h4 { margin: 0; font-family: "Sora", Arial, sans-serif; font-size: 18px; font-weight: 700; line-height: 1.4; letter-spacing: -.025em; }
.contribution-paths p { margin: 10px 0 0; color: #52617a; font-size: 14px; line-height: 1.6; }
.contribution-paths .contribution-status { margin-top: 8px; color: #014bd0; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.step-row-impact { grid-template-areas: "details tile"; }
.step-row-impact > .step-impact { grid-area: tile; align-self: center; align-items: flex-start; justify-content: flex-end; }
.impact-details { grid-area: details; min-width: 0; padding: 20px clamp(28px, 4vw, 56px); color: #0a1740; font-family: "Noto Sans", Arial, sans-serif; }
.impact-details h3 { margin: 0 0 20px; font-family: "Sora", Arial, sans-serif; font-size: 17px; font-weight: 700; line-height: 1.4; letter-spacing: -.025em; }
.impact-equation { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 0; color: #014bd0; font-family: "Sora", Arial, sans-serif; font-size: clamp(26px, 2.8vw, 38px); font-weight: 700; line-height: 1.2; letter-spacing: -.035em; }
.impact-equation > span { color: #52617a; font-size: 24px; font-weight: 400; }
.impact-intro { margin: 16px 0 0; color: #52617a; font-size: 14px; line-height: 1.6; }
.impact-scale { width: 100%; margin-top: 24px; border-collapse: collapse; font-size: 13px; line-height: 1.5; }
.impact-scale caption { padding: 0 0 14px; text-align: left; font-size: 14px; font-weight: 700; }
.impact-scale caption span { display: block; margin-top: 4px; color: #52617a; font-size: 12px; font-weight: 400; }
.impact-scale th, .impact-scale td { padding: 12px 6px; border-bottom: 1px solid #d9dfe7; text-align: left; }
.impact-scale th:first-child { padding-left: 0; }
.impact-scale th:last-child, .impact-scale td:last-child { padding-right: 0; }
.impact-scale thead th { color: #52617a; font-size: 10px; font-weight: 700; }
.impact-scale tbody th { font-weight: 400; white-space: nowrap; }
.impact-scale td { white-space: nowrap; }
.impact-scale td:last-child { color: #014bd0; font-weight: 700; }
.impact-method { margin-top: 20px; color: #52617a; font-size: 12px; line-height: 1.65; }
.impact-method p { margin: 0; }
.impact-method p + p { margin-top: 12px; }
.impact-details a { color: #014bd0; text-underline-offset: 3px; }
.impact-details a:focus-visible { outline: 2px solid #014bd0; outline-offset: 4px; border-radius: 2px; }
.initiative-copy h4 { margin: 24px 0 0; font-family: "Sora", Arial, sans-serif; font-size: 18px; line-height: 1.4; letter-spacing: -.025em; }
.initiative-copy h4:first-child { margin-top: 0; }
.initiative-copy p { margin: 12px 0 0; color: #52617a; font-size: 15px; line-height: 1.7; }
.research-details { min-width: 0; padding: 20px clamp(28px, 4vw, 56px); color: #0a1740; font-family: "Noto Sans", Arial, sans-serif; }
.research-details h3 { margin: 0 0 26px; font-family: "Sora", Arial, sans-serif; font-size: 17px; line-height: 1.4; letter-spacing: -.025em; }
.research-details .problem-facts { padding: 0; }
.research-context { margin: 24px 0 0; color: #52617a; font-size: 12px; line-height: 1.65; }
.problem-facts { margin: 0; padding: 20px clamp(28px, 4vw, 56px); }
.problem-fact + .problem-fact { margin-top: 24px; padding-top: 24px; border-top: 1px solid #d9dfe7; }
.problem-fact dt { font-family: "Sora", Arial, sans-serif; font-weight: 700; }
.stat-number { display: block; color: #014bd0; font-size: clamp(28px, 2.8vw, 38px); line-height: 1.15; letter-spacing: -.035em; }
.stat-unit { display: block; margin-top: 6px; color: #0a1740; font-size: 16px; line-height: 1.4; }
.problem-fact dd { margin: 12px 0 0; color: #52617a; font-family: "Noto Sans", Arial, sans-serif; font-size: 15px; line-height: 1.6; }
.problem-fact a { color: #014bd0; text-underline-offset: 3px; }
.problem-fact a:hover { text-decoration-thickness: 2px; }
.problem-fact a:focus-visible { outline: 2px solid #014bd0; outline-offset: 4px; border-radius: 2px; }
.item-title { width: 66%; height: 18px; margin-bottom: 20px; background: var(--wire-ink); }
.step .copy-lines { width: 100%; justify-items: center; gap: 9px; }
.step .copy-lines .bar { height: 7px; background: #d1d4d7; }
.results-band { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.results-band h2 { margin: 0; }
.contact-button { max-width: 100%; margin-top: 24px; font-family: "Noto Sans", Arial, sans-serif; text-decoration: none; white-space: normal; }
.contact-button:focus-visible { outline: 3px solid #014bd0; outline-offset: 5px; }
/* Match the main site's animated FAQ panel and native disclosure rows. */
.faq-panel { position: relative; overflow: hidden; display: flex; align-items: center; flex-direction: column; height: 1080px; padding: 90px 28px 96px; border-radius: 30px 30px 50px 50px; background: linear-gradient(165deg, #f7f9fc 0%, #eef1f8 45%, #eaf0ff 100%); color: #0a1740; font-family: "Noto Sans", Arial, sans-serif; font-size: 14px; line-height: 1.5; text-align: center; }
.faq-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.faq-panel .eyebrow { position: relative; z-index: 2; margin-bottom: 30px; padding: 9px 21px; border-radius: 20px; background: #d6e4ff; color: #014bd0; font-size: 14px; }
.faq-panel > h2 { position: relative; z-index: 2; margin: 0; font-family: "Sora", Arial, sans-serif; font-size: 49px; font-weight: 700; line-height: 1.2; letter-spacing: -.035em; }
.faq-panel .eyebrow, .faq-panel > h2 { flex-shrink: 0; }
/* Reserve the row entrance travel so it cannot create temporary overflow.
   Keep narrow-screen answers scrollable without showing an inner scrollbar. */
.faq-list { --faq-reveal-clearance: 40px; position: relative; z-index: 2; display: grid; grid-auto-rows: max-content; gap: 18px; min-height: 0; width: 100%; max-width: 760px; margin-top: 40px; margin-bottom: calc(-1 * var(--faq-reveal-clearance)); padding-bottom: calc(4px + var(--faq-reveal-clearance)); overflow-y: auto; scrollbar-width: none; text-align: left; }
.faq-list::-webkit-scrollbar { display: none; }
.faq-list details { overflow: hidden; border-radius: 26px; background: #fff; box-shadow: 0 3px 0 rgb(10 23 64 / .06); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 96px; padding: 30px; list-style: none; font-size: 18px; font-weight: 700; line-height: 1.4; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:focus-visible { outline: 3px solid #014bd0; outline-offset: -4px; border-radius: inherit; }
.faq-list .chevron { display: grid; place-items: center; flex: 0 0 28px; width: 28px; height: 28px; border-radius: 50%; background: #014bd0; transition: background-color .2s; }
.faq-list .chevron::before { content: ""; width: 8px; height: 8px; border-right: 1.5px solid #fff; border-bottom: 1.5px solid #fff; transform: translateY(-2px) rotate(45deg); transition: transform .2s; }
.faq-list summary:hover .chevron, .faq-list summary:focus-visible .chevron { background: #0a1740; }
.faq-list details[open] .chevron::before { transform: translateY(2px) rotate(225deg); }
.faq-answer { padding: 0 30px 30px; color: #52617a; font-size: 16px; line-height: 1.7; }
.faq-answer p { margin: 0; }
.faq-answer p + p { margin-top: 15px; }
.sources-panel { padding: 44px clamp(28px, 4vw, 56px); margin-bottom: var(--wire-gutter); border-radius: var(--wire-radius); background: var(--wire-surface); color: #0a1740; font-family: "Noto Sans", Arial, sans-serif; }
.sources-panel > h2 { margin: 0; color: #014bd0; font-family: "Sora", Arial, sans-serif; font-size: 16px; font-weight: 700; line-height: 1.4; letter-spacing: .06em; text-transform: uppercase; }
.sources-note { margin: 10px 0 0; color: #52617a; font-size: 12px; line-height: 1.7; }
.sources-note > span { margin: 0 5px; }
.sources-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 40px; margin: 28px 0 0; padding: 28px 0 0; border-top: 1px solid #d9dfe7; list-style: none; }
.sources-list li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; align-content: start; }
.source-number { color: #014bd0; font-size: 13px; font-weight: 700; line-height: 1.6; }
.sources-list h3 { margin: 0; font-size: 14px; font-weight: 700; line-height: 1.5; }
.sources-list p { margin: 7px 0 0; color: #52617a; font-size: 13px; line-height: 1.65; }
.sources-list a { color: inherit; text-decoration-color: #aab6c9; text-underline-offset: 3px; }
.sources-list a:hover { color: #014bd0; text-decoration-color: currentColor; }
.sources-list a:focus-visible { outline: 2px solid #014bd0; outline-offset: 4px; border-radius: 2px; }

@media (max-width: 1240px) {
  .site-header { flex-wrap: wrap; }
  .section-nav { order: 3; flex-basis: 100%; flex-wrap: wrap; background: transparent; box-shadow: none; }
  .section-nav a { min-height: 48px; padding: 12px 16px; border-radius: 16px; color: #0a1740; font-size: 16px; text-shadow: none; }
  .section-nav a:hover, .section-nav a[aria-current] { color: #014bd0; background: #d6e4ff; box-shadow: none; }
  .site-header .section-nav a:focus-visible { outline-color: #014bd0; }
  :is(.js .site-header, .site-header.nav-ready) { flex-wrap: nowrap; }
  :is(.js, .nav-ready) .nav-toggle { display: flex; margin-left: auto; }
  :is(.js, .nav-ready) .section-nav { display: none; position: absolute; top: calc(100% + 10px); left: 0; right: 0; max-height: calc(100dvh - 126px); overflow-y: auto; padding: 12px; border: 1px solid #d6dcea; border-radius: 24px; background: linear-gradient(135deg, rgb(255 255 255 / .96), rgb(238 245 255 / .93)); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3); box-shadow: inset 0 1px 0 #fff, 0 12px 32px rgb(10 23 64 / .12); }
  .nav-ready.nav-open .section-nav { display: grid; justify-content: stretch; gap: 4px; }
}

@media (max-width: 991px) {
  :root { --wire-gutter: 21px; --wire-radius: 24px; }
  .faq-panel > h2 { font-size: 44px; }
  .faq-list { max-width: 90%; }
}

@media (max-width: 767px) {
  .opening { aspect-ratio: auto; min-height: 420px; padding: 32px 28px; }
  .opening::after { background: linear-gradient(180deg, rgb(10 23 64 / .62), rgb(10 23 64 / .88)); }
  .opening-primary { width: 100%; }
  .opening h1 { font-size: clamp(28px, 7vw, 38px); }
  .opening-subtext { margin-top: 18px; font-size: 15px; }
  .process-heading, .results-band { padding: 32px 28px; }
  .process-heading { grid-template-columns: 1fr; gap: 24px; }
  .challenge-fact { padding: 0; }
  .challenge-fact + .challenge-fact { border-left: 0; border-top: 1px solid #d9dfe7; padding-top: 24px; }
  .challenge-fact dt, .results-band h2 { font-size: 26px; }
  .challenge-fact dd, .results-band p { margin-top: 8px; font-size: 15px; }
  .step { width: 88%; padding: 32px 28px; }
  .step-row { grid-template-columns: 1fr; gap: 24px; }
  .step-row > .step { width: 88%; }
  .step-row-model { grid-template-areas: "tile" "example"; }
  .step-row-model > .step-model { justify-self: end; }
  .model-example { padding: 4px 24px 20px; }
  .contribution-details { padding: 4px 24px 20px; }
  .step-row-impact { grid-template-areas: "tile" "details"; }
  .step-row-impact > .step-impact { justify-self: end; padding: 24px; }
  .impact-details { padding: 4px 24px 20px; }
  .impact-equation { font-size: clamp(26px, 7vw, 36px); }
  .impact-scale { font-size: 11px; }
  .impact-scale th, .impact-scale td { padding: 10px 4px; }
  .impact-scale thead th { font-size: 9px; }
  .example-inputs { gap: 20px; }
  .example-input + .example-input::before { left: -16px; font-size: 16px; }
  .example-input dd { font-size: 12px; }
  .problem-facts { padding: 4px 24px 20px; }
  .research-details { padding: 4px 24px 20px; }
  .stat-number { font-size: clamp(28px, 7vw, 36px); }
  .step-introduction, .step-model, .step-study, .step-impact { padding: 24px; }
  .step-introduction h2, .step-model h2, .step-study h2, .step-impact h2 { font-size: clamp(22px, 5.6vw, 30px); }
  .step-introduction p, .step-model p, .step-study p, .step-impact p { margin-top: 16px; font-size: 14px; line-height: 1.6; }
  .step .copy-lines { max-width: 300px; }
  .step .item-title { max-width: 200px; }
  .heading { height: 24px; }
  .faq-panel { height: 1000px; padding: 70px 28px 90px; border-radius: 24px; }
  .faq-panel > h2 { max-width: 330px; font-size: 35px; }
  .faq-list { --faq-reveal-clearance: 20px; max-width: 100%; margin-top: 30px; gap: 16px; }
  .faq-list details { border-radius: 20px; }
  .faq-list summary { padding: 25px; font-size: 16px; gap: 16px; }
  .sources-panel { padding: 32px 24px; }
  .sources-list { grid-template-columns: 1fr; gap: 24px; margin-top: 24px; padding-top: 24px; }
}

@media (max-width: 479px) {
  :root { --wire-gutter: 14px; }
  .site-header { width: calc(100% - var(--wire-gutter) * 2); min-height: 74px; padding: 12px; gap: 8px; }
  .wordmark img { width: clamp(80px, 25vw, 112px); }
  .nav-button { min-height: 44px; padding: 11px 12px; font-size: 12px; }
  .faq-panel { height: 970px; padding: 74px 20px 100px; }
  .faq-panel .eyebrow { padding: 7px 18px; font-size: 12px; margin-bottom: 25px; }
  .faq-panel > h2 { max-width: 260px; }
  .faq-list { gap: 14px; }
  .faq-list summary { min-height: 92px; padding: 23px 20px; font-size: 14px; gap: 18px; }
  .faq-answer { padding: 0 20px 24px; font-size: 14px; line-height: 1.6; }
}

/* Scroll position drives entrances; content remains visible without JavaScript.
   Individual translate preserves existing button and illustration transforms. */
/* Reveal values belong to each element; don't invalidate its whole subtree. */
@property --scroll-y { syntax: '<length>'; inherits: false; initial-value: 0px; }
@property --scroll-opacity { syntax: '<number>'; inherits: false; initial-value: 1; }
.scroll-reveal { translate: 0 var(--scroll-y, 0px); opacity: var(--scroll-opacity, 1); }
.scroll-reveal.is-scroll-moving { will-change: translate, opacity; }
@media (prefers-reduced-motion: reduce), print {
  .scroll-reveal { translate: none !important; opacity: 1 !important; will-change: auto !important; }
}

@media (prefers-reduced-motion: reduce) {
  .faq-list .chevron, .faq-list .chevron::before { transition: none; }
}

@media (prefers-contrast: more) {
  .site-header, :is(.js, .nav-ready) .section-nav { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .section-nav { background: #014bd0; }
  .section-nav a[aria-current] { outline: 2px solid currentColor; outline-offset: -2px; }
}

.legal-footer{max-width:1440px;margin:32px auto;padding:24px;font:14px/1.7 'Noto Sans',Arial,sans-serif}.legal-footer nav{display:flex;flex-wrap:wrap;gap:12px 24px}.legal-footer a{color:#014bd0;text-decoration:underline;text-underline-offset:3px}

/* Long headings and large-text preferences must remain inside the panel. */
.faq-panel > h2 { overflow-wrap:anywhere; }
@media (forced-colors:active) {
  .nav-toggle span { background:none; border-top:2px solid ButtonText; }
}
@media (max-width:1240px), (any-pointer:coarse) {
  .step-introduction::before, .step-model::before, .step-study::before, .step-impact::before { background: linear-gradient(180deg, rgb(10 23 64 / .64) 0%, rgb(10 23 64 / .7) 38%, rgb(10 23 64 / .88) 70%, rgb(10 23 64 / .96)); }
  .site-header .wordmark { min-height:44px; }
  .legal-footer a { display:inline-flex; align-items:center; min-width:44px; min-height:44px; }
}