:root {
  --paper: #f8f6f1;
  --white: #fffdf8;
  --ink: #17364b;
  --body: #354d5e;
  --muted: #536775;
  --line: #d6dfe4;
  --blue: #245f8c;
  --soft: #e7eef4;
  --accent: #875b40;
  --serif: Georgia, 'Times New Roman', serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--body); font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; font-size: 17px; line-height: 1.65; }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { color: var(--ink); }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.045em; text-wrap: balance; }
h1 { font-size: clamp(3.4rem, 5.8vw, 5.4rem); line-height: 1.04; }
h2 { font-size: clamp(2.15rem, 3.2vw, 3.1rem); line-height: 1.13; }
h3 { font-size: 1.23rem; line-height: 1.35; font-weight: 650; letter-spacing: -.02em; }
p + p { margin-top: 1rem; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.skip { position: absolute; top: -100px; left: 20px; padding: 10px 18px; background: var(--ink); color: white; z-index: 3; }
.skip:focus { top: 10px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 104px; }
.brand { display: flex; align-items: center; gap: 13px; color: var(--ink); text-decoration: none; }
.brand svg { width: 38px; height: 38px; flex: 0 0 auto; }
.brand strong { display: block; font-size: 22px; letter-spacing: -.04em; line-height: 1.2; }
.brand span { display: block; font-size: 12px; letter-spacing: .035em; }
nav { display: flex; gap: 28px; font-size: 14px; font-weight: 550; }
nav a { text-decoration: none; padding-block: 12px; }
nav a:hover { text-decoration: underline; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding-block: 58px 48px; }
.hero-copy { grid-column: 2; grid-row: 1; }
.hero-visual { grid-column: 1; grid-row: 1; border-radius: 10px; overflow: hidden; }
.hero-visual img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center 30%; }
.hero h1 { font-size: clamp(3.4rem, 5.2vw, 4.8rem); }
.eyebrow { font-size: 12px; line-height: 1.5; text-transform: uppercase; letter-spacing: .14em; font-weight: 650; color: var(--accent); margin-bottom: 23px; }
h1 em { font-style: normal; color: var(--blue); }
.hero-intro { font-size: 19px; line-height: 1.6; max-width: 430px; margin-top: 25px; }
.scope { font-size: 14px; color: var(--muted); margin-top: 18px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 50px; padding: 13px 21px; border-radius: 4px; background: var(--blue); color: white; text-decoration: none; font-size: 15px; font-weight: 600; line-height: 1.4; }
.button:hover { background: var(--ink); text-decoration: none; }
.button .arrow { font-size: 21px; line-height: 1; }
.secondary-action { display: inline-block; padding-block: 12px; margin-top: 16px; font-size: 15px; font-weight: 600; color: var(--blue); }
.reference-art { max-width: 1000px; margin-inline: auto; }
.reference-art > a { display: block; border-radius: 6px; }
.reference-art img { width: 100%; border: 1px solid var(--line); border-radius: 6px; }
.reference-art figcaption { padding: 16px 4px 0; font-size: 14px; line-height: 1.65; color: var(--muted); max-width: 860px; }
.diagram-notes { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; font-size: 16px; line-height: 1.65; }
.diagram-notes summary { color: var(--blue); cursor: pointer; font-size: 15px; font-weight: 600; padding-block: 6px; }
.diagram-notes ul { padding-left: 20px; margin-block: 16px; }
.diagram-notes li + li { margin-top: 13px; }
.diagram-notes strong { color: var(--ink); }
.requests { padding-block: 70px 76px; background: var(--ink); color: #e8eff4; }
.requests h2, .requests h3 { color: var(--white); }
.requests h2 { text-wrap: wrap; }
.request-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; list-style: none; padding: 0; margin: 43px 0 0; counter-reset: requests; }
.request-list li { counter-increment: requests; border-top: 1px solid #678499; padding-top: 20px; }
.request-list li::before { content: '0' counter(requests); color: #d7bba4; font-family: var(--serif); font-size: 24px; display: block; margin-bottom: 18px; }
.request-list p { font-size: 16px; line-height: 1.65; margin-top: 13px; }
.tank-focus { padding-block: 70px 64px; border-bottom: 1px solid var(--line); }
.tank-focus .detail-source { font-size: 14px; color: var(--blue); }
.tank-question { max-width: 850px; padding: 24px 28px; border-left: 4px solid var(--accent); background: var(--soft); }
.tank-question p { margin-top: 12px; }
.evidence { padding-block: 76px 72px; }
.flood-explainer { padding-block: 24px 32px; border-top: 1px solid var(--line); }
.flood-explainer .explainer-detail { border: 0; margin: 0; padding: 0; }
.explainer-detail > p { margin: 12px 0 24px; }
.section-heading { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: end; margin-bottom: 35px; }
.section-heading h2 { max-width: 420px; }
.section-heading p { max-width: 530px; }
.source-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.source-list li { border-bottom: 1px solid var(--line); }
.source-row { display: grid; grid-template-columns: 125px 1fr auto; align-items: center; gap: 28px; padding-block: 25px; }
.source-type { font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); }
.source-row h3 { font-size: 18px; }
.source-row p { font-size: 14px; line-height: 1.55; margin-top: 5px; color: var(--muted); }
.source-links { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.source-links a { padding-block: 9px; }
.flood-history { border-top: 1px solid var(--line); padding-block: 64px 72px; }
.history-map > a { display: block; background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.history-map > a img { width: 100%; }
.history-map figcaption { max-width: 860px; padding-top: 18px; font-size: 14px; line-height: 1.65; color: var(--muted); }
.map-source-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 12px; color: var(--blue); }
.map-source-links a { padding-block: 6px; }
.source-comparison { margin-top: 16px; }
.source-comparison summary { cursor: pointer; color: var(--blue); padding-block: 8px; font-weight: 600; }
.source-comparison img { width: min(770px, 100%); border: 1px solid var(--line); margin-block: 18px 12px; }
.media-detail { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 16px; }
.media-detail summary { color: var(--blue); font-weight: 600; cursor: pointer; padding-block: 8px; }
.media-detail > p { max-width: 850px; margin-top: 18px; }
.detail-image { display: block; margin-top: 24px; }
.detail-image img { width: 100%; border: 1px solid var(--line); border-radius: 6px; }
.media-detail .detail-source { font-size: 14px; color: var(--muted); }
.action { background: var(--soft); border-radius: 8px; padding: 38px 44px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; margin-bottom: 64px; }
.action h2 { font-size: clamp(2rem, 3vw, 2.7rem); }
.action p { font-size: 16px; max-width: 530px; }
.event-copy h2 + p { margin-top: 20px; }
.event-details { border-left: 1px solid #bfced9; padding-left: 36px; }
.event-details h3 { margin-bottom: 14px; }
.event-details .button { margin-top: 20px; }
.action .event-links { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13px; margin-top: 16px; }
.event-links a { padding-block: 5px; }
footer { border-top: 1px solid var(--line); padding-block: 25px; font-size: 12px; line-height: 1.6; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 35px; }
.footer-inner strong { color: var(--ink); font-weight: 650; }
.community-card { margin-top: 40px; padding: 28px 32px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.community-intro { max-width: 760px; margin-bottom: 24px; }
.community-intro h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 14px; }
.community-credit { font-size: 14px; color: var(--muted); }
.community-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.photo-enlarge { display: block; max-width: 100%; margin-inline: auto; padding: 0; border: 0; border-radius: 6px; background: transparent; cursor: zoom-in; }
.community-gallery img, .community-gallery video { display: block; width: auto; height: auto; max-width: 100%; max-height: 300px; margin-inline: auto; border-radius: 6px; }
.community-gallery figcaption { margin-top: 12px; }
.community-gallery h3 { font-size: 1.05rem; line-height: 1.4; }
.community-gallery figcaption p { margin-top: 7px; font-size: 14px; color: var(--muted); }
video:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.photo-viewer { max-width: calc(100vw - 32px); max-height: calc(100dvh - 32px); margin: auto; padding: 12px; border: 0; border-radius: 8px; background: var(--white); }
.photo-viewer::backdrop { background: rgb(0 0 0 / .75); }
.photo-viewer form { display: flex; justify-content: flex-end; margin-bottom: 12px; }
.photo-viewer button { min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 4px; font: inherit; line-height: 1.4; color: var(--ink); background: var(--white); cursor: pointer; }
.photo-viewer img { width: auto; height: auto; max-height: calc(100dvh - 112px); margin-inline: auto; }
section[id] { scroll-margin-top: 24px; }
@media (min-width: 1500px) { .hero { padding-block: 72px 58px; } }
@media (max-width: 900px) {
  .wrap { width: calc(100% - 56px); }
  .hero { gap: 32px; }
  h1 { font-size: 3.7rem; }
  .section-heading { gap: 40px; }
  .request-list { gap: 28px; }
  .source-row { grid-template-columns: 95px 1fr; gap: 18px; }
  .source-links { grid-column: 2; }
  .action { padding: 32px; gap: 30px; }
  .event-details { padding-left: 26px; }
}
@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy, .hero-visual { grid-column: auto; grid-row: auto; }
  .hero-copy { max-width: 620px; }
  .hero-visual img { height: 230px; background: var(--soft); }
}
@media (max-width: 650px) {
  .community-gallery { grid-template-columns: 1fr; gap: 26px; }
  .community-card { margin-top: 28px; padding: 24px 20px; }
  body { font-size: 16px; }
  .wrap { width: calc(100% - 40px); }
  .header-inner { min-height: 88px; flex-wrap: wrap; gap: 10px; padding-block: 20px 12px; }
  .brand strong { font-size: 21px; }
  .brand span { font-size: 11px; }
  nav { width: 100%; justify-content: space-between; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; }
  nav a { padding-block: 9px; }
  .hero { grid-template-columns: 1fr; padding-block: 44px 40px; gap: 38px; }
  .hero h1 { font-size: clamp(3.25rem, 12vw, 4.2rem); }
  .hero-visual img { height: 170px; }
  .eyebrow { margin-bottom: 19px; font-size: 11px; }
  .hero-intro { font-size: 18px; margin-top: 22px; max-width: 440px; }
  .scope { font-size: 13px; }
  .requests { padding-block: 47px; }
  .request-list { grid-template-columns: 1fr; gap: 25px; margin-top: 30px; }
  .request-list li { padding-top: 18px; display: grid; grid-template-columns: 37px 1fr; column-gap: 17px; }
  .request-list li::before { grid-row: span 2; font-size: 24px; margin: 0; line-height: 1.3; }
  .request-list p { grid-column: 2; margin-top: 9px; }
  .evidence { padding-block: 46px; }
  .tank-focus { padding-block: 46px; }
  .tank-question { padding: 21px; }
  .flood-history { padding-block: 40px 46px; }
  .flood-explainer { padding-block: 20px 28px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 28px; }
  .source-row { grid-template-columns: 1fr; gap: 9px; padding-block: 22px; }
  .source-links { grid-column: auto; gap: 20px; }
  .source-row h3 { font-size: 17px; }
  .source-type { font-size: 11px; }
  .action { grid-template-columns: 1fr; gap: 24px; padding: 29px 25px; margin-bottom: 42px; }
  .action h2 { font-size: 1.9rem; }
  .event-details { padding: 22px 0 0; border-left: 0; border-top: 1px solid #bfced9; }
  footer { padding-block: 22px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  body { background: white; color: black; font-size: 11pt; }
  .wrap { width: 100%; }
  .site-header nav, .skip, .button { display: none; }
  .hero, .evidence, .requests, .flood-explainer { padding-block: 20px; }
  .requests { background: white; color: black; }
  .requests h2, .requests h3 { color: black; }
  .request-list li { break-inside: avoid; }
  .hero-visual { display: none; }
  .hero { display: block; }
  .reference-art img { max-width: 700px; }
  .action { padding: 15px; margin: 0; }
}