/* RAIL — rail-web · site styles
   Brand tokens per Brand & Conventions Reference v2.13. Leaflet base styles live in vendor/leaflet/leaflet.css. */

:root{
  --mahogany:#1A130F; --near-black:#030208; --cream:#FDFBF7;
  --redwood-deep:#4C352D; --redwood-mid:#6B3F2A; --redwood-warm:#B08060;
  --champagne:#E8BE7E; --signal-green:#4ADE80; --signal-red:#EF4444;
  --apricot:#EBB8A7;
  --heartwood:#7E2C1E; --sequoia:#A8664C; --bark-crust:#2A1410; --pewter:#AB9D92; --mark-hi:#ECE6DD;
  /* Domain anchors — Weather-first order: Lilac Pearl · Sage · Pale Sky · Dusty Pink · Apricot */
  --weather:#C9CBE2; --energy:#859A6F; --water:#A8C8D8; --minerals:#DAC2CF; --capital:#EBB8A7;
  --lilac-pearl:#C9CBE2;
  --on-dark:#F4EFE8; --on-dark-mute:#B7AEA4;
  --hair-light:rgba(76,53,45,0.16); --hair-dark:rgba(236,230,221,0.12);
  --plate:#14110d;
  --maxw:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Poppins',system-ui,sans-serif;background:var(--cream);color:var(--mahogany);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px;}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--redwood-warm);}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:1200;background:rgba(253,251,247,0.9);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--hair-light);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.mark{height:44px;width:44px;object-fit:contain;display:block;}
.wordmark{font-weight:600;font-size:20px;letter-spacing:-0.01em;color:var(--redwood-deep);white-space:nowrap;}
.wordmark .ai{font-weight:700;}

.tabs{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.tab{position:relative;}
.tab-btn{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:15px;font-weight:500;
  color:var(--redwood-deep);background:none;border:none;cursor:pointer;padding:10px 14px;border-radius:8px;
  transition:background .15s ease,color .15s ease;}
.tab-btn:hover,.tab:hover .tab-btn,.tab:focus-within .tab-btn{color:var(--mahogany);background:rgba(76,53,45,0.05);}
.tab-btn .car{width:13px;height:13px;transition:transform .25s ease;opacity:.7;}
.tab:hover .tab-btn .car,.tab:focus-within .tab-btn .car{transform:rotate(180deg);}

.dd{position:absolute;top:calc(100% + 10px);left:0;width:340px;
  background:var(--cream);border:1px solid var(--hair-light);border-radius:14px;
  box-shadow:0 28px 60px -22px rgba(26,19,15,.4);padding:22px 22px 20px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .2s ease;z-index:1210;}
.dd.right{left:auto;right:0;}
.tab:hover .dd,.tab:focus-within .dd{opacity:1;visibility:visible;transform:translateY(0);}
.dd::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px;}
.dd .dlabel{font-size:10px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--redwood-warm);}
.dd .dtag{font-style:italic;font-weight:300;font-size:14px;color:var(--redwood-deep);margin:7px 0 0;}
.dd .ddesc{font-size:13.5px;line-height:1.55;font-weight:300;color:#544b43;margin:12px 0 0;}
.dd .daud{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0;}
.dd .daud span{font-size:11px;font-weight:500;color:var(--redwood-deep);padding:4px 9px;border-radius:7px;border:1px solid var(--hair-light);}
.dd .dfoot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--hair-light);}
.dd .dfoot.stack{flex-direction:column;align-items:stretch;gap:11px;}
.dd .ddrow{display:flex;align-items:center;justify-content:space-between;gap:10px;text-decoration:none;}
.dd .durl{font-size:12px;font-weight:500;color:#6f665d;}
.dd .durl b{color:var(--mahogany);font-weight:600;}
.dd .durl.note{font-style:italic;}
.dd .durl .ld{color:var(--signal-green);}
.ddact{font-size:12.5px;font-weight:600;color:var(--mahogany);display:inline-flex;align-items:center;gap:6px;}
.ddact.gated{color:#8a7f73;}
.stat{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px;}
.stat.pub{background:rgba(176,128,96,.14);color:var(--redwood-deep);}
.stat.live{background:rgba(74,222,128,.16);color:#2f7d4f;}
.stat.gate{background:rgba(176,128,96,.14);color:#8a6a4f;}
.stat.dev{background:rgba(235,184,167,.26);color:#8a5440;}
.tab.ledger .dd{border-top:3px solid var(--apricot);}

.btn{display:inline-flex;align-items:center;gap:8px;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;
  padding:11px 20px;border-radius:10px;border:1px solid transparent;transition:transform .15s ease,background .15s ease;}
.btn-dark{background:var(--mahogany);color:var(--cream);}
.btn-dark:hover{transform:translateY(-1px);background:#241a14;}
.btn-light{background:var(--cream);color:var(--mahogany);border-color:var(--redwood-deep);}
.btn-light:hover{background:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:var(--hair-dark);}
.btn-ghost:hover{border-color:var(--redwood-warm);}
.nav-cta{flex:0 0 auto;}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.menu-toggle svg{width:24px;height:24px;color:var(--mahogany);}
.mobile-menu{display:none;}

/* ---------- maps ---------- */
.mapcanvas{position:absolute;inset:0;z-index:1;background:var(--plate);}
.leaflet-container{background:var(--plate);font-family:inherit;}
.leaflet-control-attribution{font-size:9px;background:rgba(20,17,13,.55)!important;color:#cdc4b8!important;}
.leaflet-control-attribution a{color:#d8cdbb!important;}
.leaflet-control-zoom{display:none;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--mahogany);color:var(--on-dark);}
.hero::before{content:"";position:absolute;inset:0;background-image:var(--contours);background-size:cover;opacity:.5;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:92px 0 100px;}
.hero h1{font-weight:600;line-height:1.06;letter-spacing:-0.02em;font-size:clamp(30px,3.8vw,50px);margin:18px 0 0;color:var(--on-dark);}
.hero h1 .em{color:var(--champagne);}
.lede{margin:26px 0 0;max-width:30em;font-size:clamp(19px,1.7vw,23px);line-height:1.55;font-weight:300;color:#D8D0C6;}
.lede b{font-weight:500;color:var(--on-dark);}
.tagline{margin:22px 0 0;font-weight:500;font-size:clamp(16px,1.5vw,19px);line-height:1.4;letter-spacing:.01em;color:var(--champagne);}
.hero-cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap;}

.tiles{display:grid;gap:18px;}
.tile{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--hair-dark);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.7);aspect-ratio:16/10;background:var(--plate);}
.tile.small{aspect-ratio:16/7;}
.tile::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,17,13,0) 60%,rgba(20,17,13,.5) 100%);}
.tile .cap{position:absolute;left:12px;bottom:11px;z-index:3;font-size:10px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.9);background:rgba(8,4,2,.5);backdrop-filter:blur(2px);
  padding:4px 9px;border-radius:6px;}

/* ---------- thesis ---------- */
.thesis{padding:100px 0 8px;text-align:center;position:relative;overflow:hidden;}
.thesis::before{content:"";position:absolute;inset:0;background-image:var(--contours-light);background-size:cover;opacity:.5;}
.thesis .inner{position:relative;z-index:2;max-width:880px;margin:0 auto;}
.thesis h2{font-weight:600;line-height:1.08;letter-spacing:-0.02em;font-size:clamp(30px,4vw,50px);margin:14px 0 0;}
.thesis p{margin:24px auto 0;max-width:40em;font-size:18px;line-height:1.6;font-weight:300;color:#4a423b;}
.thesis p b{font-weight:500;color:var(--redwood-deep);}
.flow{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;margin:38px auto 0;
  padding:14px 22px;border-radius:999px;border:1px solid var(--hair-light);background:#fff;}
.flow .f{font-weight:600;font-size:14px;color:var(--redwood-deep);}
.flow .dot{color:var(--redwood-warm);}
.flow .arb{color:var(--mahogany);}
.flow .arrow{color:var(--champagne);font-weight:700;}

/* ---------- roster ---------- */
.sites{padding:84px 0 110px;}
.roster-head{max-width:760px;margin:0 0 42px;}
.roster-head h2{font-weight:600;font-size:clamp(28px,3.4vw,42px);letter-spacing:-0.02em;margin:12px 0 0;}
.roster-head p{font-size:17px;line-height:1.6;font-weight:300;color:#4a423b;margin:18px 0 0;max-width:54em;}
.roster-head p b{font-weight:500;color:var(--redwood-deep);}
@media (min-width:1120px){.thesis h2,.roster-head h2{white-space:nowrap;}}

.site-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

.site-card{position:relative;border:1px solid var(--hair-light);border-radius:16px;overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.site-card:hover{transform:translateY(-3px);box-shadow:0 24px 48px -28px rgba(26,19,15,.4);}
.site-card .media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--plate);}
.site-card .media::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,17,13,0) 58%,rgba(20,17,13,.5) 100%);}
.site-body{padding:20px 22px 22px 30px;position:relative;}
.site-body::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--dom,#ccc);}
.site-eyebrow{font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--redwood-warm);}
.site-eyebrow .star{color:var(--champagne);margin-right:4px;}
.site-name{font-weight:600;font-size:20px;letter-spacing:-0.01em;margin:6px 0 0;}
.site-name .dc{display:block;font-weight:400;font-size:13.5px;color:#6f665d;margin-top:2px;}
.site-read{font-size:14.5px;line-height:1.5;font-weight:300;color:#4a423b;margin:13px 0 0;}
.site-domain{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:12px;font-weight:500;color:var(--redwood-deep);}
.swatch{width:11px;height:11px;border-radius:3px;background:var(--dom,#ccc);flex:0 0 auto;}
.site-note{font-size:12px;color:#8a8079;font-weight:300;margin-top:12px;font-style:italic;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

a.site-card{color:inherit;text-decoration:none;}
.card-cover{position:absolute;inset:0;z-index:1;}
.site-out{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:11.5px;font-weight:600;
  letter-spacing:.05em;text-transform:uppercase;color:var(--redwood-mid);}
.site-out .arr{transition:transform .2s ease;display:inline-block;}
.site-card:hover .site-out{color:var(--mahogany);}
.site-card:hover .site-out .arr{transform:translateX(3px);}
.site-out-row{display:flex;flex-direction:column;align-items:flex-start;gap:6px;margin-top:14px;}
.site-out-row .site-out{margin-top:0;}
.site-ext{position:relative;z-index:2;text-decoration:none;}
.site-card:hover .site-ext .arr,.site-ext:hover .arr{transform:translate(2px,-2px);}

/* ---------- flagship row: Colorado River Cascade ---------- */
.flagship{display:grid;grid-template-columns:1.25fr 1fr;gap:0;margin-bottom:24px;border:1px solid var(--hair-light);
  border-radius:18px;overflow:hidden;background:#fff;position:relative;}
.flagship .media{position:relative;min-height:440px;background:var(--plate);overflow:hidden;}
.flagship .media::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,rgba(20,17,13,0) 70%,rgba(20,17,13,.25) 100%);}
.flagship .media .cap{position:absolute;left:14px;top:14px;z-index:3;font-size:10px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.9);background:rgba(8,4,2,.5);backdrop-filter:blur(2px);padding:4px 9px;border-radius:6px;}
.flagship .fbody{padding:40px 44px;display:flex;flex-direction:column;justify-content:center;position:relative;}
.flagship .fbody::before{content:"";position:absolute;left:0;top:40px;bottom:40px;width:3px;background:var(--water);border-radius:3px;}
.flag-mark{display:inline-flex;align-items:center;gap:8px;font-size:10px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--redwood-deep);}
.flag-mark .star{color:var(--champagne);}
.flagship h3{font-weight:600;font-size:clamp(24px,2.6vw,32px);letter-spacing:-0.01em;margin:14px 0 0;}
.flagship .fdc{font-size:14px;color:#6f665d;font-weight:400;margin-top:4px;}
.flagship .fread{font-size:16px;line-height:1.55;font-weight:300;color:#4a423b;margin:18px 0 0;max-width:34em;}
.flagship .fmeta{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:12.5px;font-weight:500;color:var(--redwood-deep);}
.flagship .fnote{font-size:12px;color:#8a8079;font-weight:300;margin-top:18px;font-style:italic;}
.flagship .fcta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.flagship .fcta .btn{font-size:13px;padding:10px 16px;}
.fout{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:12.5px;font-weight:600;
  letter-spacing:.03em;color:var(--redwood-mid);}
.fout .arr{transition:transform .2s ease;display:inline-block;}
.fout:hover{color:var(--mahogany);}
.fout-ext:hover .arr{transform:translate(2px,-2px);}
.fout-btn{background:none;border:none;padding:0;cursor:pointer;font-family:inherit;}
.flens{margin-top:9px;font-size:11.5px;}
.fdrop{margin-top:18px;}
.fdrop-trigger{display:flex;flex-direction:column;align-items:flex-start;gap:8px;}
.fdrop-trigger .fout{margin-top:0;}
.fdrop.open .fout-btn .arr{transform:rotate(180deg);}
.fdrop-panel{margin-top:14px;border-top:1px solid var(--hair-light);padding-top:2px;}
.fdrop-group{margin-top:12px;}
.fdrop-head{font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--redwood-deep);margin-bottom:2px;}
.fdrop-row{display:flex;align-items:center;gap:10px;padding:7px 4px;border-bottom:1px solid rgba(26,19,15,.06);text-decoration:none;color:#241c15;}
.fdrop-row:last-child{border-bottom:none;}
.fdrop-row:hover{color:var(--mahogany);}
.fr-state{font-size:14px;font-weight:500;flex:1;}
.fr-note{font-size:11.5px;font-weight:300;color:#8a8079;}
.fr-arr{font-size:13px;color:var(--redwood-warm);transition:transform .2s ease;}
.fdrop-row:hover .fr-arr{transform:translateX(3px);}

/* Interactive report dialog — dark instrument */
.report-dlg{border:none;border-radius:18px;padding:0;background:var(--mahogany);color:var(--on-dark);
  width:min(1080px,92vw);max-height:92vh;box-shadow:0 40px 80px -30px rgba(0,0,0,.8);}
.report-dlg::backdrop{background:rgba(26,19,15,.72);backdrop-filter:blur(3px);}
.report-dlg .sb-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--hair-dark);}
.report-dlg .sb-title{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--redwood-warm);}
.report-dlg .sb-actions{display:inline-flex;gap:8px;align-items:center;}
.report-dlg .sb-close{text-decoration:none;display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid var(--hair-dark);color:var(--on-dark);border-radius:8px;padding:6px 12px;font-family:inherit;font-size:12px;cursor:pointer;}
.report-dlg .sb-close:hover{border-color:var(--redwood-warm);}
.report-dlg .sb-body{padding:0;background:var(--plate);}
.report-dlg .sb-body img,.report-dlg .sb-body video,.report-dlg .sb-body iframe{display:block;width:100%;max-height:78vh;object-fit:contain;border:0;background:var(--plate);}
.report-dlg .sb-body iframe{aspect-ratio:16/9;}
.report-dlg .sb-cap{padding:12px 22px 16px;font-size:12px;font-weight:300;color:var(--on-dark-mute);line-height:1.5;}

.roster-foot{margin-top:34px;padding-top:20px;border-top:1px solid var(--hair-light);
  display:flex;flex-wrap:wrap;gap:18px 40px;font-size:12px;color:#8a8079;font-weight:300;line-height:1.5;}
.roster-foot span{flex:1;min-width:280px;}
.roster-foot b{font-weight:500;color:var(--redwood-deep);}

/* ---------- stewardship ---------- */
.steward{padding:8px 0 104px;}
.steward-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.steward-card{position:relative;border:1px solid var(--hair-light);border-radius:16px;background:#fff;padding:26px 30px 24px 34px;transition:transform .2s ease,box-shadow .2s ease;}
.steward-card:hover{transform:translateY(-3px);box-shadow:0 24px 48px -28px rgba(26,19,15,.4);}
.steward-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--water);}
.sc-site{font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--redwood-warm);}
.steward-card h3{font-weight:600;font-size:19px;letter-spacing:-0.01em;margin:8px 0 0;}
.steward-card p{font-size:14.5px;line-height:1.55;font-weight:300;color:#4a423b;margin:11px 0 0;}
.sc-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;}
.sc-shed{font-size:12px;font-weight:500;color:var(--redwood-deep);display:inline-flex;align-items:center;gap:7px;}
.sc-shed::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--water);display:inline-block;}
.sc-stat{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px;}
.sc-stat.done{background:rgba(74,222,128,.16);color:#2f7d4f;}
.sc-stat.prog{background:rgba(176,128,96,.14);color:#8a6a4f;}
.steward-foot{margin-top:30px;padding-top:18px;border-top:1px solid var(--hair-light);font-size:12px;color:#8a8079;font-weight:300;line-height:1.65;}
.steward-foot b{font-weight:500;color:var(--redwood-deep);}
.steward-foot a{color:var(--redwood-mid);font-weight:500;border-bottom:1px solid rgba(107,63,42,.28);transition:color .15s ease,border-color .15s ease;}
.steward-foot a:hover{color:var(--mahogany);border-bottom-color:var(--mahogany);}
@media (max-width:780px){.steward-grid{grid-template-columns:1fr;}}

/* ---------- footer ---------- */
footer{background:var(--mahogany);color:var(--on-dark);}
.foot-legal{border-top:1px solid rgba(253,251,247,.14);}
.foot-legal .legal-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 32px;padding:13px 0;}
.foot-legal .legal-text{font-size:10.5px;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:#B7AEA4;}

/* ---------- responsive ---------- */
@media (max-width:1080px){ .tab-btn{padding:10px 10px;font-size:14px;} .dd{width:300px;} }
@media (max-width:980px){
  .tabs,.nav-cta{display:none;}
  .mark{height:36px;width:36px;}
  .menu-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:60px 0 70px;}
  .tiles{grid-template-columns:1fr 1fr;}
  .site-grid{grid-template-columns:1fr 1fr;}
  .flagship{grid-template-columns:1fr;}
  .flagship .media{min-height:260px;}
  .flagship .fbody{padding:30px 28px;}
  .mobile-menu{display:block;position:fixed;inset:72px 0 auto 0;z-index:1190;background:var(--cream);
    border-bottom:1px solid var(--hair-light);box-shadow:0 24px 40px -24px rgba(26,19,15,.4);
    max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .mobile-menu.open{max-height:85vh;overflow-y:auto;}
  .mm-inner{padding:14px 22px 26px;}
  .mm-item{padding:16px 0;border-bottom:1px solid var(--hair-light);}
  .mm-item .mm-name{font-weight:600;font-size:18px;display:flex;align-items:center;gap:10px;}
  .mm-item .mm-tag{font-style:italic;font-weight:300;font-size:13px;color:var(--redwood-deep);margin-top:4px;}
  .mm-item .mm-link{font-size:12px;font-weight:600;color:var(--mahogany);margin-top:8px;display:inline-block;}
  .mm-cta{margin-top:20px;display:flex;}
  .mm-cta .btn{flex:1;justify-content:center;}
}
@media (max-width:620px){
  .wrap{padding:0 20px;}
  .tiles{grid-template-columns:1fr;}
  .site-grid{grid-template-columns:1fr;}
}
.btn:focus-visible,.tab-btn:focus-visible,.menu-toggle:focus-visible,.fout-btn:focus-visible{outline:2px solid var(--champagne);outline-offset:3px;border-radius:8px;}
a:focus-visible{outline:2px solid var(--champagne);outline-offset:3px;border-radius:8px;}
.card-cover:focus-visible{outline-offset:-3px;border-radius:13px;}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;} .site-card:hover{transform:none;} .btn:hover{transform:none;}}
.tab.tapped .dd{opacity:1;visibility:visible;transform:translateY(0);}