/* ============================================================
   SHARED WATERS — design system
   Palette, type and signature elements per project plan §3.
   ============================================================ */
:root{
  --ink:#0E1B22;          /* deep water ink */
  --abyss:#0A1114;        /* below-the-waterline */
  --paper:#ECF1EF;        /* glacial paper */
  --paper-2:#E2EAE7;
  --river:#3D7EA6;        /* surface water */
  --river-lt:#8FB9CF;
  --sandstone:#C79554;    /* aquifer rock */
  --sandstone-dp:#8A5F2E;
  --line:rgba(14,27,34,.16);
  --line-dk:rgba(236,241,239,.14);
  /* cooperation scale: high tension -> strong cooperation */
  --c1:#A6402F; --c2:#C07A3F; --c3:#A9A48A; --c4:#5E8F6C; --c5:#1F6E58;
  --nodata:#6E7A7D;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Newsreader",Georgia,serif;
     font-size:19px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
::selection{background:var(--river);color:#fff}
.mono{font-family:"IBM Plex Mono",monospace}
a{color:inherit}
img,video{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--sandstone);outline-offset:3px}

/* ---------- NAV ---------- */
.sw-nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
    gap:18px;padding:14px 28px;background:rgba(236,241,239,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);transition:background .4s,border-color .4s}
.sw-nav.on-dark{background:rgba(10,17,20,.55);border-color:rgba(236,241,239,.1)}
.sw-nav.on-dark .brand,.sw-nav.on-dark .navlinks a{color:var(--paper)}
.brand{font-family:"Besley",serif;font-weight:700;font-size:17px;letter-spacing:.02em;text-decoration:none;
       display:flex;align-items:center;gap:10px;color:var(--ink);white-space:nowrap}
.brand .tick{width:22px;height:14px;display:inline-block;flex:none}
.navlinks{display:flex;gap:24px;font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.08em;
          text-transform:uppercase;align-items:center}
.navlinks a{text-decoration:none;opacity:.75;transition:opacity .2s;color:var(--ink)}
.navlinks a:hover,.navlinks a:focus-visible{opacity:1}
.navlinks a.ext{border:1px solid currentColor;padding:4px 10px;border-radius:2px;opacity:.6}
.navlinks a[aria-current="page"]{opacity:1;border-bottom:2px solid var(--sandstone);padding-bottom:2px}
/* hamburger toggle + slide-in panel (both injected by shared.js). The panel is
   appended to <body>, NOT inside .sw-nav — the nav's backdrop-filter would
   otherwise make position:fixed children resolve against the nav, not the viewport. */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;margin:-8px -10px -8px 0;
    color:var(--ink);flex:none;z-index:2;min-height:44px;min-width:44px}
.sw-nav.on-dark .nav-toggle{color:var(--paper)}
.nav-toggle svg{display:block;width:24px;height:24px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round}
.nav-scrim{position:fixed;inset:0;z-index:48;background:rgba(10,17,20,.42);opacity:0;pointer-events:none;transition:opacity .3s}
.nav-scrim.open{opacity:1;pointer-events:auto}
.nav-menu{position:fixed;top:0;right:0;bottom:0;z-index:49;width:min(82vw,300px);background:var(--paper);
    box-shadow:-18px 0 46px rgba(14,27,34,.2);padding:74px 26px 30px;transform:translateX(100%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;display:flex;flex-direction:column}
.nav-menu.open{transform:none}
.nav-menu a{display:block;font-family:"IBM Plex Mono",monospace;font-size:14px;letter-spacing:.07em;
    text-transform:uppercase;color:var(--ink);text-decoration:none;padding:15px 2px;
    border-bottom:1px solid var(--line);opacity:.82}
.nav-menu a:hover,.nav-menu a:focus-visible{opacity:1}
.nav-menu a.ext{color:var(--river);border-bottom:0;margin-top:6px}
.nav-menu a[aria-current="page"]{color:var(--river);opacity:1}
@media(max-width:980px){
  /* collapse to the hamburger + slide-in panel (holds every link, reachable) */
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .navlinks{display:none}
  body.menu-open{overflow:hidden}
}
@media(min-width:981px){.nav-menu,.nav-scrim{display:none}}
@media(max-width:560px){.sw-nav{padding:12px 16px}.brand{font-size:15px}}
/* longer wordmarks need room beside the hamburger on the narrowest phones */
@media(max-width:380px){.brand{font-size:13.5px;letter-spacing:0}}
@media(max-width:330px){.brand{font-size:12.5px}}

/* reading progress */
.progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--river),var(--river-lt));
          z-index:60;width:0%}

/* ---------- SECTION SHELLS ---------- */
section{padding:clamp(80px,10vw,130px) 24px}
.wrap{max-width:1220px;margin:0 auto}
.measure{max-width:720px;margin:0 auto}
.wide{max-width:1160px;margin:0 auto}
.sec-eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.26em;text-transform:uppercase;
             color:var(--river);margin-bottom:14px}
.sec-eyebrow.sand{color:var(--sandstone)}
h2{font-family:"Besley",serif;font-weight:600;font-size:clamp(30px,3.6vw,48px);line-height:1.08;max-width:18em}
.sec-lede{max-width:640px;font-size:20px;margin-top:18px;color:rgba(14,27,34,.78)}
.dark{background:var(--ink);color:var(--paper)}
.dark .sec-lede{color:rgba(236,241,239,.72)}
.abyss-bg{background:var(--abyss);color:var(--paper)}

/* ---------- CHAPTER (story pages) ---------- */
.chapter{padding:clamp(90px,11vw,130px) 24px}
.ch-label{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.3em;text-transform:uppercase;
          color:var(--river);display:flex;align-items:center;gap:16px;margin-bottom:22px}
.ch-label::after{content:"";flex:1;height:1px;background:var(--line)}
.dark .ch-label,.abyss-bg .ch-label{color:var(--sandstone)}
.dark .ch-label::after,.abyss-bg .ch-label::after{background:var(--line-dk)}
h2.ch-title{font-family:"Besley",serif;font-weight:600;font-size:clamp(30px,4vw,50px);line-height:1.08;margin-bottom:30px}
.measure p+p{margin-top:1.35em}
.lede::first-letter{font-family:"Besley",serif;font-weight:700;font-size:4.6em;float:left;line-height:.78;
                    padding:8px 12px 0 0;color:var(--river)}
.sand-accent .lede::first-letter{color:var(--sandstone)}
.pull{border-left:3px solid var(--river);padding:6px 0 6px 26px;margin:44px 0;font-family:"Besley",serif;
      font-style:italic;font-size:clamp(22px,2.4vw,29px);line-height:1.35;color:rgba(14,27,34,.85)}
.dark .pull,.abyss-bg .pull{color:rgba(236,241,239,.88)}
.sand-accent .pull{border-color:var(--sandstone)}
.caption{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.05em;color:rgba(14,27,34,.55);
         margin-top:14px;line-height:1.6}
.dark .caption,.abyss-bg .caption{color:rgba(236,241,239,.45)}

/* ---------- STORY HERO (video/photo full-bleed) ---------- */
.hero{min-height:100svh;position:relative;display:flex;align-items:flex-end;overflow:hidden;background:var(--abyss)}
.hero .media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .scrim{position:absolute;inset:0;background:
   linear-gradient(180deg,rgba(10,17,20,.42) 0%,rgba(10,17,20,.12) 40%,rgba(10,17,20,.72) 100%)}
.hero-inner{position:relative;z-index:3;padding:0 clamp(24px,7vw,96px) 90px;max-width:1150px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.3em;text-transform:uppercase;
         color:var(--river-lt);margin-bottom:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.eyebrow .code{border:1px solid rgba(143,185,207,.45);padding:3px 9px;border-radius:2px}
.sand-accent .eyebrow{color:var(--sandstone)}
.sand-accent .eyebrow .code{border-color:rgba(199,149,84,.5)}
.hero h1{font-family:"Besley",serif;font-weight:600;font-size:clamp(56px,10vw,148px);line-height:.95;
         color:var(--paper);letter-spacing:-.015em;text-shadow:0 2px 40px rgba(0,0,0,.35)}
.hero .dek{font-size:clamp(19px,2.2vw,26px);color:rgba(236,241,239,.85);font-weight:300;max-width:660px;
           margin-top:26px;font-style:italic;text-shadow:0 1px 20px rgba(0,0,0,.4)}
.hero .byline{margin-top:34px;font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.14em;
              text-transform:uppercase;color:rgba(236,241,239,.5)}
.hero .badge-line{position:absolute;top:96px;right:clamp(24px,6vw,80px);z-index:3;text-align:right}
.coopbadge{display:inline-flex;align-items:center;gap:10px;background:rgba(10,17,20,.55);
           border:1px solid rgba(236,241,239,.18);padding:12px 18px;border-radius:3px;
           backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);text-align:left}
.coopbadge i{width:12px;height:12px;border-radius:50%;flex:none}
.coopbadge span{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--paper)}
.coopbadge small{display:block;font-size:9.5px;color:rgba(236,241,239,.55);letter-spacing:.08em;margin-top:2px}
.scrollcue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:3;
           font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.3em;
           color:rgba(236,241,239,.5);text-transform:uppercase}
.hero .media-credit{position:absolute;bottom:10px;right:14px;z-index:3;font-family:"IBM Plex Mono",monospace;
                    font-size:9.5px;letter-spacing:.08em;color:rgba(236,241,239,.4);text-transform:uppercase}

/* ---------- PHOTO FIGURE (widescreen, with credit) ---------- */
.photo-band{padding:0}
figure.photo{position:relative;overflow:hidden;border-radius:6px;margin:clamp(40px,6vw,64px) 0}
figure.photo.bleed{border-radius:0;margin:0}
figure.photo img{width:100%;height:100%;object-fit:cover;min-height:320px;max-height:78vh}
figure.photo.tall img{min-height:60vh}
figure.photo figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px 24px 16px;
   color:rgba(236,241,239,.9);font-size:15.5px;font-style:italic;
   background:linear-gradient(0deg,rgba(10,17,20,.78),rgba(10,17,20,.28) 70%,transparent)}
figure.photo .credit{display:block;margin-top:6px;font-family:"IBM Plex Mono",monospace;font-size:9.5px;
   font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:rgba(236,241,239,.5)}
figure.photo .credit a{color:inherit;text-decoration:none;border-bottom:1px dotted rgba(236,241,239,.35)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:clamp(40px,6vw,64px) 0}
.duo figure.photo{margin:0}
.duo figure.photo img{max-height:52vh}
@media(max-width:760px){.duo{grid-template-columns:1fr}}

/* ---------- STAT BAND ---------- */
.stats{background:var(--river);color:#fff}
.sand-accent .stats{background:var(--sandstone-dp)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:48px 40px;max-width:1120px;margin:0 auto}
.stat b{font-family:"Besley",serif;font-weight:700;font-size:clamp(30px,3.4vw,46px);line-height:1.02;display:block;
        font-variant-numeric:tabular-nums;letter-spacing:-.01em;white-space:nowrap}
.stat span{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
           opacity:.85;display:block;margin-top:10px}
.stat small{display:block;margin-top:8px;font-size:14.5px;opacity:.75;font-style:italic;line-height:1.5}

/* ---------- NAMES WALL ---------- */
.names-wall{display:flex;flex-wrap:wrap;gap:10px 38px;align-items:baseline;margin:40px 0 30px}
.names-wall b{font-family:"Besley",serif;font-weight:500;font-size:clamp(30px,4.4vw,58px);line-height:1.25;
              color:var(--paper);opacity:.92}
.names-wall span{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
                 color:var(--sandstone);margin-left:10px}
.names p.note{color:rgba(236,241,239,.7);max-width:680px}

/* ---------- BASIN MAP PANEL ---------- */
.basin-panel{background:linear-gradient(180deg,#0F2130,#0A161F);border-radius:6px;
             padding:clamp(18px,3vw,40px);overflow:hidden;position:relative}
.basin-panel canvas,.basin-panel svg{display:block;width:100%;height:auto}
.sand-accent .basin-panel{background:linear-gradient(180deg,#1E1409,#0F0A04)}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;max-width:820px;margin:50px auto 0;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
                  background:linear-gradient(180deg,var(--river-lt),var(--river))}
.sand-accent .timeline::before{background:linear-gradient(180deg,var(--sandstone),var(--sandstone-dp))}
.tl-item{position:relative;padding:0 0 46px 26px}
.tl-item::before{content:"";position:absolute;left:-33px;top:7px;width:12px;height:12px;border-radius:50%;
                 background:var(--paper);border:3px solid var(--river)}
.tl-item.keystone::before{background:var(--river);box-shadow:0 0 0 5px rgba(61,126,166,.2)}
.sand-accent .tl-item::before{border-color:var(--sandstone)}
.sand-accent .tl-item.keystone::before{background:var(--sandstone);box-shadow:0 0 0 5px rgba(199,149,84,.2)}
.tl-item .yr{font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.1em;color:var(--river);font-weight:500}
.sand-accent .tl-item .yr{color:var(--sandstone-dp)}
.tl-item h3{font-family:"Besley",serif;font-weight:600;font-size:22px;margin:6px 0 8px}
.tl-item p{font-size:17px;color:rgba(14,27,34,.75);max-width:600px}

/* ---------- COOPERATION GAUGE + SUBDIALS ---------- */
.gauge-wrap{max-width:860px;margin:52px auto 0}
.gauge{display:flex;gap:6px;position:relative;padding-top:44px}
.gauge .seg{flex:1;height:16px;border-radius:2px;opacity:.35}
.gauge .seg.active{opacity:1;box-shadow:0 0 24px rgba(255,255,255,.18)}
.gauge .marker{position:absolute;top:0;transform:translateX(-50%);text-align:center}
.gauge .marker .pin{width:2px;height:34px;background:var(--paper);margin:0 auto}
.gauge .marker b{font-family:"Besley",serif;font-size:17px;white-space:nowrap;display:block;margin-bottom:6px}
.gauge-labels{display:flex;justify-content:space-between;font-family:"IBM Plex Mono",monospace;font-size:10.5px;
              letter-spacing:.1em;text-transform:uppercase;color:rgba(236,241,239,.5);margin-top:12px}
.subdials{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:30px;margin-top:58px}
.subdial{border:1px solid var(--line-dk);border-radius:4px;padding:22px}
.subdial h4{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;
            color:var(--sandstone);margin-bottom:14px}
.subdial .track{height:8px;border-radius:4px;background:rgba(236,241,239,.12);overflow:hidden}
.subdial .fill{height:100%;border-radius:4px;transform-origin:left;transform:scaleX(0);transition:transform 1.1s cubic-bezier(.22,.9,.35,1)}
.in .subdial .fill,.subdial.in .fill{transform:scaleX(1)}
.subdial p{font-size:14.5px;color:rgba(236,241,239,.65);margin-top:12px;line-height:1.55}
.subdial .val{font-family:"Besley",serif;font-size:19px;margin-top:12px;color:var(--paper)}
.subdial .datum{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.02em;line-height:1.55;
                margin-top:12px;padding-top:12px;border-top:1px solid var(--line-dk);color:var(--sandstone)}
/* per-story conflict strip (Pacific Institute) */
.conflict-strip{max-width:820px;margin:44px auto 0;border:1px solid var(--line-dk);border-radius:4px;padding:26px 28px}
.dark .conflict-strip,.abyss-bg .conflict-strip{border-color:var(--line-dk)}
.conflict-strip h4{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;
                   color:var(--c1);margin-bottom:16px}
.conflict-strip .cs-row{display:flex;flex-wrap:wrap;gap:26px;align-items:baseline}
.conflict-strip .cs-n{font-family:"Besley",serif;font-size:clamp(30px,4vw,46px);color:var(--paper);line-height:1;font-variant-numeric:tabular-nums}
.conflict-strip .cs-n small{display:block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;
                            text-transform:uppercase;color:rgba(236,241,239,.55);margin-top:8px;font-weight:400}
.conflict-strip .cs-types{display:flex;gap:18px;flex-wrap:wrap;font-family:"IBM Plex Mono",monospace;font-size:12px;color:rgba(236,241,239,.7)}
.conflict-strip .cs-types b{color:var(--paper);font-weight:500}
.conflict-strip .cs-note{margin-top:16px;font-size:13.5px;font-style:italic;color:rgba(236,241,239,.5);line-height:1.55}
.light .conflict-strip{border-color:var(--line)}
.light .conflict-strip .cs-n{color:var(--ink)}
.light .conflict-strip .cs-n small,.light .conflict-strip .cs-types{color:rgba(14,27,34,.6)}
.light .conflict-strip .cs-types b{color:var(--ink)}
.light .conflict-strip .cs-note{color:rgba(14,27,34,.5)}
/* inline institution card in story cooperation chapters */
.rbo-inline{max-width:820px;margin:44px auto 0;border:1px solid var(--line-dk);border-radius:5px;padding:26px 28px;
            display:grid;grid-template-columns:auto 1fr;gap:6px 22px;align-items:baseline}
.rbo-inline .ac{grid-row:1/3;font-family:"Besley",serif;font-size:clamp(26px,4vw,40px);color:var(--sandstone);
                font-weight:600;align-self:center;letter-spacing:.02em}
.rbo-inline h4{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;
               color:var(--sandstone);margin-bottom:2px}
.rbo-inline .nm{font-family:"Besley",serif;font-size:19px;color:var(--paper);line-height:1.25}
.rbo-inline p{grid-column:2;font-size:15px;color:rgba(236,241,239,.7);line-height:1.55;margin-top:6px}
.rbo-inline .lk{grid-column:2;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;margin-top:10px}
.rbo-inline .lk a{color:var(--sandstone)}
.rbo-inline.empty .ac{color:rgba(236,241,239,.3)}
.light .rbo-inline{border-color:var(--line)}
.light .rbo-inline .nm{color:var(--ink)}
.light .rbo-inline p{color:rgba(14,27,34,.7)}
.coop-note{max-width:820px;margin:52px auto 0;font-style:italic;font-size:16px;color:rgba(236,241,239,.6);
           border-top:1px solid var(--line-dk);padding-top:24px}
.coop-note a{color:var(--sandstone)}

/* ---------- TREATY CARDS ---------- */
.tr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1120px;margin:48px auto 0}
.tr-card{background:#fff;border-radius:5px;padding:28px 26px;border-top:4px solid var(--river);
         box-shadow:0 1px 3px rgba(14,27,34,.08);display:flex;flex-direction:column;gap:12px}
.sand-accent .tr-card{border-top-color:var(--sandstone)}
.tr-card .yr{font-family:"Besley",serif;font-weight:700;font-size:34px;color:var(--river)}
.sand-accent .tr-card .yr{color:var(--sandstone-dp)}
.tr-card h3{font-family:"Besley",serif;font-weight:600;font-size:20px;line-height:1.25}
.tr-card p{font-size:15.5px;color:rgba(14,27,34,.7);flex:1}
.tr-card .meta{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
               color:rgba(14,27,34,.5);border-top:1px solid var(--line);padding-top:12px}
.tr-counter{text-align:center;margin-top:56px;font-family:"Besley",serif;font-size:clamp(20px,2.4vw,26px);
            font-style:italic;color:rgba(14,27,34,.75)}
.tr-counter b{font-weight:700;font-style:normal;color:var(--river);font-size:1.5em}
.sand-accent .tr-counter b{color:var(--sandstone-dp)}

/* ---------- VOICES: EXPERT + LOCAL ---------- */
.voice{max-width:920px;margin:0 auto;display:grid;grid-template-columns:150px 1fr;gap:40px;align-items:start}
@media(max-width:640px){.voice{grid-template-columns:1fr;gap:20px}}
.voice .face{width:150px;height:150px;border-radius:50%;overflow:hidden;position:relative;flex:none;
             border:1px solid var(--line-dk)}
.voice .face img{width:100%;height:100%;object-fit:cover}
.voice .face .monogram{width:100%;height:100%;display:flex;align-items:center;justify-content:center;
   font-family:"Besley",serif;font-size:48px;font-weight:600;color:var(--sandstone);
   background:radial-gradient(ellipse at 30% 25%,#22303A,#101B22)}
.light .voice .face .monogram{background:radial-gradient(ellipse at 30% 25%,#DCE5E1,#C7D3CE);color:var(--river)}
.light .voice .face{border-color:var(--line)}
.voice blockquote{font-family:"Besley",serif;font-style:italic;font-size:clamp(21px,2.3vw,27px);line-height:1.4}
.voice .who{margin-top:18px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.voice .who b{display:block;font-size:13px}
.voice .who span{opacity:.6}
.voice .placeholder-flag{display:inline-block;margin-top:14px;font-family:"IBM Plex Mono",monospace;font-size:9.5px;
   letter-spacing:.14em;text-transform:uppercase;border:1px dashed currentColor;opacity:.45;
   padding:4px 9px;border-radius:2px}
.voice-context{max-width:920px;margin:0 auto 46px;font-size:17px;color:rgba(236,241,239,.65)}
.light .voice-context{color:rgba(14,27,34,.65)}

/* ---------- NEXT STORY ---------- */
.next{background:var(--abyss);color:var(--paper);padding:100px 24px}
.next-card{max-width:920px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
           text-decoration:none;border-radius:8px}
@media(max-width:760px){.next-card{grid-template-columns:1fr}}
.next-art{border-radius:6px;min-height:280px;position:relative;overflow:hidden}
.next-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
              transition:transform .6s cubic-bezier(.22,.9,.35,1)}
.next-card:hover .next-art img{transform:scale(1.045)}
.next h2{font-family:"Besley",serif;font-weight:600;font-size:clamp(30px,4vw,46px);line-height:1.06;margin:14px 0 16px}
.next p{color:rgba(236,241,239,.7);font-size:17px}
.next .cta{display:inline-block;margin-top:28px;font-family:"IBM Plex Mono",monospace;font-size:12.5px;
           letter-spacing:.14em;text-transform:uppercase;color:var(--sandstone);text-decoration:none;
           border:1px solid var(--sandstone-dp);padding:13px 22px;border-radius:3px;transition:all .25s}
.next-card:hover .cta,.next .cta:hover{background:var(--sandstone);color:var(--abyss)}
.explore-links{max-width:920px;margin:70px auto 0;padding-top:30px;border-top:1px solid var(--line-dk);
               display:flex;flex-wrap:wrap;gap:14px 30px;font-family:"IBM Plex Mono",monospace;font-size:12px;
               letter-spacing:.08em;text-transform:uppercase}
.explore-links a{color:rgba(236,241,239,.7);text-decoration:none;border-bottom:1px solid rgba(236,241,239,.25);padding-bottom:2px}
.explore-links a:hover{color:var(--sandstone);border-color:var(--sandstone)}

/* ---------- FOOTER ---------- */
.sw-footer{background:var(--ink);color:rgba(236,241,239,.6);padding:70px 24px 44px;border-top:1px solid var(--line-dk)}
.foot-grid{max-width:1220px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr}}
.sw-footer h4{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;
              color:var(--sandstone);margin-bottom:16px}
.sw-footer p,.sw-footer li{font-size:15px;line-height:1.7}
.sw-footer ul{list-style:none}
.sw-footer a{color:rgba(236,241,239,.85);text-decoration:none;border-bottom:1px solid rgba(236,241,239,.25)}
.sw-footer a:hover{border-color:var(--sandstone)}
.foot-brand{font-family:"Besley",serif;font-size:22px;font-weight:600;color:var(--paper);margin-bottom:14px}
.foot-base{max-width:1220px;margin:54px auto 0;padding-top:22px;border-top:1px solid var(--line-dk);
           display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
           font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
           color:rgba(236,241,239,.35)}

/* ---------- REVEAL / MOTION ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.9,.35,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}
@media (prefers-reduced-motion: reduce){
  .rv,.rv-d1,.rv-d2,.rv-d3{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .subdial .fill{transform:none;transition:none}
  .next-art img{transition:none}
}


/* ---- story "basin in data" interactive maps (basin-layers.js) ---- */
.bl-sec{max-width:1120px;margin:0 auto;padding:0 24px}
.bl-sec .bl-eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:rgba(14,27,34,.5)}
.bl-sec h2.bl-h{font-family:"Besley",serif;font-weight:600;font-size:clamp(24px,3.2vw,38px);line-height:1.05;max-width:16em;margin:.18em 0 0;color:var(--ink)}
.bl-sec .bl-lede{font-family:"Newsreader",serif;font-size:clamp(15px,1.7vw,18px);line-height:1.5;color:rgba(14,27,34,.72);max-width:60ch;margin:10px 0 16px}
.bl-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.bl-tabs button{font-family:"IBM Plex Mono",monospace;font-size:12px;padding:9px 14px;border:1px solid rgba(14,27,34,.14);background:#fff;border-radius:20px;cursor:pointer;color:rgba(14,27,34,.7);min-height:40px;transition:all .15s}
.bl-tabs button:hover{border-color:var(--river-lt)}
.bl-tabs button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.bl-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:0;border:1px solid rgba(14,27,34,.14);border-radius:8px;background:#F6F8F7;overflow:hidden}
@media(max-width:820px){.bl-wrap{grid-template-columns:1fr}}
.bl-scene{display:block;width:100%;height:auto;background:linear-gradient(180deg,#eef3f1,#e7edea)}
.bl-side{padding:24px 22px;display:flex;flex-direction:column;justify-content:center;border-left:1px solid rgba(14,27,34,.1)}
@media(max-width:820px){.bl-side{border-left:0;border-top:1px solid rgba(14,27,34,.1)}}
.bl-note{font-family:"Newsreader",serif;font-size:15.5px;line-height:1.55;color:rgba(14,27,34,.82)}
.bl-note .fig{font-family:"Besley",serif;font-weight:600;font-size:clamp(26px,3.6vw,40px);color:var(--river-dp,#2E6489);display:block;line-height:1.02;margin-bottom:8px}
.bl-note .lbl{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:rgba(14,27,34,.5);display:block;margin-bottom:9px}
.bl-note b{color:var(--ink)}
.bl-src{font-family:"IBM Plex Mono",monospace;font-size:11px;color:rgba(14,27,34,.5);margin-top:12px;line-height:1.6}
.bl-scene text{font-family:"IBM Plex Mono",monospace}
.bl-disc{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.06em;color:var(--sandstone-dp,#8A5F2E);background:rgba(199,149,84,.13);border:1px solid rgba(138,95,46,.3);border-radius:4px;padding:3px 8px;display:inline-block;margin-bottom:12px}

/* legal strip in the footer (Sources · Disclaimer · Privacy · About) */
.foot-legal{font-size:10.5px;letter-spacing:.1em;margin-top:16px;color:rgba(236,241,239,.34);text-transform:uppercase}
.foot-legal a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(236,241,239,.14);padding-bottom:2px}
.foot-legal a:hover,.foot-legal a:focus-visible{color:var(--paper);border-color:rgba(236,241,239,.5)}

/* ---- research note: OUR paraphrase of a named scholar's published argument.
   Deliberately NOT the .voice treatment — no portrait, no quotation marks, no
   italic display type — so it can never read as words we put in their mouth. */
.rnote{max-width:820px;margin:0 auto;border-left:2px solid var(--sandstone);padding:2px 0 2px 30px}
@media(max-width:640px){.rnote{padding-left:20px}}
.rnote p.arg{font-family:"Newsreader",serif;font-size:clamp(18px,2vw,22px);line-height:1.52;color:rgba(236,241,239,.9);margin:0}
.rnote p.arg + p.arg{margin-top:14px}
.light .rnote p.arg{color:rgba(14,27,34,.86)}
.rnote .attr{margin-top:22px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.08em;line-height:1.7}
.rnote .attr b{display:block;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--sandstone)}
.light .rnote .attr b{color:var(--sandstone-dp)}
.rnote .attr span{display:block;opacity:.62;text-transform:none;letter-spacing:.04em;font-size:11.5px;margin-top:4px}
.rnote .attr a{color:var(--river-lt);text-decoration:none;border-bottom:1px solid rgba(143,185,207,.35)}
.light .rnote .attr a{color:var(--river)}
.rnote .basis{display:inline-block;margin-top:15px;font-family:"IBM Plex Mono",monospace;font-size:9.5px;
  letter-spacing:.13em;text-transform:uppercase;color:rgba(236,241,239,.42);
  border:1px solid rgba(236,241,239,.16);border-radius:3px;padding:4px 9px}
.light .rnote .basis{color:rgba(14,27,34,.45);border-color:rgba(14,27,34,.16)}
