:root{--ink:#17212b;--paper:#f7f5ef;--card:#fff;--muted:#5e6670;--red:#9f1d20;--blue:#174a67;--line:#d8d4ca;--focus:#f2b705;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}a{color:#0d4f79;text-underline-offset:3px}a:hover{text-decoration-thickness:2px}.skip-link{position:absolute;left:-9999px;top:0}.skip-link:focus{left:1rem;top:1rem;background:#fff;padding:.75rem 1rem;z-index:999;border:3px solid var(--focus)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 2rem));margin:auto}.site-header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20}.header-inner{display:flex;gap:1.5rem;align-items:center;justify-content:space-between;padding:.8rem 0}.brand{color:#fff;text-decoration:none;display:flex;align-items:center;gap:.8rem}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:2px solid #fff;font-weight:800}.brand small{display:block;opacity:.82}.site-nav{display:flex;flex-wrap:wrap;gap:.9rem}.site-nav a{color:#fff}.hero{padding:5.5rem 0 3rem;background:linear-gradient(135deg,#17212b,#25465a);color:#fff}.hero-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(270px,.75fr);gap:2rem;align-items:start}.eyebrow,.section-kicker{font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:.78rem}.hero h1{font-size:clamp(2.5rem,6vw,5.8rem);line-height:.95;margin:.45rem 0 1rem}.lead{font-size:1.28rem;max-width:800px}.hero-card{background:#fff;color:var(--ink);padding:1.4rem;border-radius:18px;box-shadow:0 14px 40px rgba(0,0,0,.18)}.hero-card dl{margin:0}.hero-card div{display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line)}.hero-card div:last-child{border-bottom:0}.hero-card dt{font-weight:700}.hero-card dd{margin:0;text-align:right}.button-row{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.2rem 0}.btn{display:inline-block;padding:.78rem 1rem;border-radius:999px;text-decoration:none;font-weight:800}.btn.primary{background:#fff;color:var(--ink)}.btn.secondary{border:1px solid rgba(255,255,255,.65);color:#fff}.jumpbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:65px;z-index:10}.jump-links{display:flex;gap:.9rem;overflow:auto;padding:.7rem 0;white-space:nowrap}.jump-links a{font-weight:700}.section{padding:4.2rem 0}.section.alt{background:#ece8df}.narrow{max-width:820px}.section h2{font-size:clamp(2rem,4vw,3.6rem);line-height:1.05;margin:.4rem 0 1rem}.section h3{line-height:1.2}.notice{border-left:5px solid var(--blue);background:#fff;padding:1rem 1.1rem;margin:1.3rem 0}.timeline{display:grid;gap:1rem}.timeline article{display:grid;grid-template-columns:80px 1fr;gap:1rem;background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.1rem}.timeline time{font-weight:900;color:var(--red)}.stat-grid,.card-grid,.source-grid,.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.stat,.panel,.source-card,.gallery-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.1rem}.stat strong{display:block;font-size:2rem}.chapter{border-top:1px solid var(--line)}.chapter-head{display:grid;grid-template-columns:90px 1fr;gap:1rem;align-items:start}.chapter-number{font-size:3rem;font-weight:900;color:var(--red);line-height:1}.fact-list{display:grid;gap:.8rem;padding:0;list-style:none}.fact-list li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.85rem 1rem}.status{font-weight:800}.status.green{color:#0a6b3e}.status.yellow{color:#8a5b00}.status.red{color:#9f1d20}.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px}.data-table{width:100%;border-collapse:collapse;min-width:700px}.data-table th,.data-table td{padding:.8rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{background:#f0eee7}.figure{margin:1.5rem 0}.figure img{width:100%;height:auto;border-radius:16px;border:1px solid var(--line)}figcaption{color:var(--muted);font-size:.92rem;margin-top:.5rem}.gallery-card .image-placeholder{aspect-ratio:16/10;border:2px dashed #aaa;border-radius:12px;display:grid;place-items:center;text-align:center;padding:1rem;background:#f1efe9}.source-card a{font-weight:800}.open-questions{background:#182d3b;color:#fff}.open-questions a{color:#d9efff}.site-footer{background:var(--ink);color:#fff;padding:2rem 0}.site-footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.micro{font-size:.88rem;color:var(--muted)}.hero .micro{color:#d7dde2}@media(max-width:800px){.hero-grid,.footer-grid,.chapter-head{grid-template-columns:1fr}.stat-grid,.card-grid,.source-grid,.gallery-grid{grid-template-columns:1fr}.site-nav{display:none}.hero{padding-top:3rem}.jumpbar{top:60px}.timeline article{grid-template-columns:1fr}.chapter-number{font-size:2rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

.archive-card{position:relative;display:flex;flex-direction:column}.archive-badge{display:inline-flex;align-self:flex-start;border:1px solid var(--line);border-radius:999px;padding:.28rem .55rem;font-size:.72rem;font-weight:900;letter-spacing:.08em;background:#f1efe9;color:var(--ink);margin-bottom:.55rem}.archive-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.7rem .9rem;border-radius:10px;background:var(--blue);color:#fff;text-decoration:none;font-weight:800;margin-top:auto}.archive-link:hover{background:#103d56}.archive-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.2rem}.archive-row .archive-link{margin-top:0}.muted-link{background:#e3e0d8;color:var(--muted);cursor:default}.gallery-card img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);margin-bottom:.7rem}@media(max-width:600px){.archive-row{display:grid}.archive-row .archive-link{width:100%}}

/* V17 series navigation + accessibility */
.breadcrumbs{font-size:.9rem;margin:1rem 0;color:var(--muted)}.breadcrumbs ol{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.45rem}.breadcrumbs li+li:before{content:"/";margin-right:.45rem;color:#888}.series-nav{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1rem;margin:1.5rem 0;display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:center}.series-nav .next{text-align:right}.series-progress{font-weight:900;text-align:center}.story-meta{display:flex;flex-wrap:wrap;gap:.7rem;color:var(--muted);font-size:.9rem}.archive-placeholder{border:2px dashed #aaa;border-radius:16px;padding:1.2rem;background:#f4f1ea}.update-box{border-left:5px solid var(--blue);background:#fff;padding:1rem 1.1rem;margin:1.5rem 0}.stories-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.story-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.2rem;text-decoration:none;color:var(--ink)}.story-card:hover{box-shadow:0 10px 25px rgba(0,0,0,.07)}@media(max-width:700px){.series-nav{grid-template-columns:1fr}.series-nav .next,.series-nav .prev{text-align:center}.stories-grid{grid-template-columns:1fr}}


/* V18 definitive Water Story — narrative + evidence layer */
.story-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0 36px}
.story-tool{background:#fff;border:1px solid var(--line,#d8dde3);border-radius:14px;padding:16px}
.story-tool strong{display:block;font-size:1rem;margin-bottom:4px}
.story-tool p{margin:0;font-size:.92rem;color:var(--muted,#56616b)}
.story-lede{font-size:1.24rem;line-height:1.65;font-weight:550;margin:1.2rem 0 2rem}
.story-dateline{font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#9f1d20}
.story-body h2{margin-top:2.6rem;font-size:clamp(1.55rem,4vw,2.25rem);line-height:1.15}
.story-body h3{margin-top:2rem;font-size:1.28rem}
.story-body p{font-size:1.08rem;line-height:1.78}
.story-pull{font-size:clamp(1.35rem,4vw,1.8rem)!important;line-height:1.42!important;font-weight:800;border-left:5px solid #9f1d20;padding:8px 0 8px 18px;margin:2rem 0}
.record-box{background:#fff;border:1px solid var(--line,#d8dde3);border-radius:16px;padding:18px 20px;margin:2rem 0;box-shadow:0 8px 22px rgba(0,0,0,.04)}
.record-box .label{display:block;color:#9f1d20;font-size:.75rem;letter-spacing:.11em;font-weight:900;margin-bottom:4px}
.record-box h3{margin:.2rem 0 .6rem}
.record-box p,.record-box li{font-size:.98rem;line-height:1.6}
.record-box ul{margin:.7rem 0;padding-left:1.2rem}
.record-box .source-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.record-box .source-actions a{font-weight:800}
.visual-callout{border-top:5px solid #245b77}
.open-record{border-left:5px solid #d49d17}
.chapter-kicker{font-size:.78rem;letter-spacing:.12em;font-weight:900;color:#9f1d20;text-transform:uppercase}
.chapter-title{font-size:clamp(2.2rem,7vw,4.6rem);line-height:.98;margin:.35rem 0 1rem}
.chapter-deck{font-size:1.18rem;color:var(--muted,#56616b);margin-bottom:1.8rem}
.chapter-footer-tease{background:#17212b;color:#fff;border-radius:16px;padding:20px;margin:2.8rem 0}
.chapter-footer-tease a{color:#fff;font-weight:900}
.audio-card{background:#eef5f8;border:1px solid #b9d0dc;border-radius:16px;padding:18px 20px;margin:1.5rem 0 2rem}
.audio-card h3{margin:.1rem 0 .3rem}
.audio-card p{margin:.2rem 0;font-size:.96rem}
.summary-link{display:inline-block;margin:.5rem 0 1rem;font-weight:800}
.source-shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:1.4rem 0}
.source-mini{background:#fff;border:1px solid var(--line,#d8dde3);border-radius:14px;padding:14px}
.source-mini strong{display:block}
.source-mini p{font-size:.9rem;margin:.35rem 0}
.story-note{font-size:.94rem;color:var(--muted,#56616b)}
@media(max-width:760px){.story-tools,.source-shelf{grid-template-columns:1fr}.story-body p{font-size:1.03rem}.chapter-title{font-size:2.6rem}}

.story-tools a.story-tool{display:block;color:inherit;text-decoration:none}.story-tools a.story-tool:hover{box-shadow:0 8px 20px rgba(0,0,0,.08)}.visual-section,.source-section{scroll-margin-top:24px}.social-follow{background:#fff;border:1px solid var(--line,#d8dde3);border-radius:16px;padding:18px 20px;margin:2.4rem 0}.social-links{display:flex;flex-wrap:wrap;gap:10px}.social-links a{font-weight:850;text-decoration:none;border:1px solid var(--line,#d8dde3);border-radius:999px;padding:.58rem .9rem}.coming-badge{display:inline-block;font-size:.74rem;letter-spacing:.08em;font-weight:900;text-transform:uppercase;color:#8f1d1d;background:#fff0f0;border:1px solid #e8baba;border-radius:999px;padding:.3rem .55rem;margin-bottom:.45rem}.teaser-panel{background:#fff;border:1px solid var(--line,#d8dde3);border-radius:18px;padding:22px;margin:1.6rem 0 2rem}.teaser-panel .hook{font-size:1.3rem;line-height:1.55;font-weight:750}.teaser-panel .bigline{font-size:1.65rem;line-height:1.35;font-weight:900;border-left:5px solid #9f1d20;padding-left:15px;margin:1.4rem 0}.footer-social a{margin-right:14px;font-weight:800}

/* V18.2 launch polish */
.teaser-page .btn.secondary,.btn.secondary{background:#173f5a!important;color:#fff!important;border:2px solid #173f5a!important;text-shadow:none!important}
.teaser-page .btn.secondary:hover,.btn.secondary:hover{background:#0f3148!important;color:#fff!important}
.social-links{display:flex!important;flex-wrap:wrap!important;gap:10px!important;align-items:center}
.social-links a{display:inline-flex!important;align-items:center!important;min-height:44px;padding:.58rem .9rem!important;border:1px solid #8aa3b3!important;border-radius:999px!important;background:#fff!important;color:#0d4f79!important;text-decoration:none!important}
.social-links a:hover{background:#eef5f8!important}
.footer-social a{display:inline-block;margin:.2rem .8rem .2rem 0;padding:.35rem 0}
.audio-card audio{display:block;margin:14px 0 10px;max-width:100%}


/* V18.3 launch additions */
.chapter-link-grid .chapter-link{display:block;color:inherit;text-decoration:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.chapter-link-grid .chapter-link:hover,.chapter-link-grid .chapter-link:focus-visible{transform:translateY(-2px);box-shadow:0 8px 24px rgba(13,49,88,.14);outline:3px solid currentColor;outline-offset:2px}
.chapter-link .card-action{display:block;margin-top:.65rem;font-weight:700;text-decoration:underline}
.gallery-card img,.story-figure img,.archive-photo-callout img{display:block;width:100%;height:auto;border-radius:.35rem}
.story-figure{margin:1.5rem 0}.story-figure figcaption,.archive-photo-callout figcaption{font-size:.9rem;line-height:1.5;margin-top:.6rem}
.brand-signoff{text-align:center;padding:2rem 1rem}.full-epr-logo{display:block;width:min(260px,65vw);height:auto;margin:0 auto 1rem}
.epr-rights{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.22);margin-top:1rem;padding-top:1rem;font-size:.8rem;line-height:1.45}
.epr-rights p{margin:.25rem 0}

/* V19 launch hardening */
.brand-logo{display:block;width:48px;height:48px;min-width:48px;flex:0 0 48px;object-fit:contain}.published-meta{margin:.2rem 0 1rem;color:var(--muted);font-size:.92rem}.epr-rights a{font-weight:800}@media(max-width:700px){.brand-logo{width:42px;height:42px;min-width:42px;flex-basis:42px}}

/* V19.2 citation/source hardening */
.citation-note{font-size:.93rem;line-height:1.55;border-left:3px solid var(--red,#a83b35);padding:.65rem .85rem;margin:1rem 0 1.5rem;background:rgba(168,59,53,.05)}
.cite-ref{font-size:.72em;vertical-align:super;line-height:0;margin-left:.16rem}
.cite-ref a{font-weight:800;text-decoration:none;color:#8f2f2a}
.cite-ref a:hover,.cite-ref a:focus{text-decoration:underline}
.source-intro{max-width:62rem;margin-bottom:1rem}
.source-mini[id]{scroll-margin-top:6rem}
.timeline-source{font-size:.83rem;margin:.4rem 0 0;color:#5c6470}
.timeline-source a,.hero-source a{font-weight:700}
.hero-source{margin:.8rem 0 0;line-height:1.45}
@media (max-width:640px){.citation-note{font-size:.9rem}.timeline-source{font-size:.8rem}}