:root{
  --ink:#0A0F1A; --ink2:#141B2B; --paper:#F8F6F1; --cream:#EDE9E0;
  --teal:#0D9B8A; --teal2:#0BC4AE; --copper:#B87333; --copper2:#D4934A;
  --fog:#D5D0C8; --smoke:#6A6865;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'DM Sans',system-ui,sans-serif;
  --mono:'DM Mono',ui-monospace,monospace;
  --shadow:0 14px 36px rgba(10,15,26,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
.skip{position:absolute;left:-9999px;top:8px;background:var(--paper);padding:8px 14px;border:1px solid var(--fog);border-radius:6px;font-size:13px;z-index:999}
.skip:focus{left:12px}
.topbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:18px 44px;background:rgba(10,15,26,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:14px}
.brand-home{display:flex;align-items:center;gap:14px;color:inherit}
.brand-home:hover .brand-name{color:var(--teal2)}
.brand-home:focus-visible{outline:2px solid rgba(11,196,174,.6);outline-offset:6px;border-radius:8px}
.brand-mark{width:44px;height:34px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark svg{width:44px;height:34px;display:block}
.brand-mark .copper-curve{animation:curveSlide 5s ease-in-out infinite alternate}
.brand-mark .gap-fill{animation:gapSlide 5s ease-in-out infinite alternate}
@keyframes curveSlide{0%{transform:translateX(0)}100%{transform:translateX(46%)}}
@keyframes gapSlide{0%{transform:translateX(0);opacity:.22}100%{transform:translateX(46%);opacity:0}}
.brand-name{font-family:var(--serif);font-size:19px;font-weight:700;color:#fff;line-height:1.1}
.brand-sub{font-family:var(--mono);font-size:9.5px;color:rgba(255,255,255,.32);letter-spacing:.06em;margin-top:3px}
.hamburger{display:none;background:none;border:0;padding:0;margin:0;cursor:pointer}
.hamburger svg{width:24px;height:24px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round}
nav{position:fixed;top:0;right:0;z-index:101;display:flex;align-items:center;gap:4px;padding:18px 44px;pointer-events:none}
nav a{font-size:13px;font-weight:500;color:rgba(255,255,255,.66);padding:7px 14px;border-radius:99px;transition:color .2s,background .2s;pointer-events:auto}
nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
nav a.pill{background:rgba(13,155,138,.16);border:1px solid rgba(13,155,138,.4);color:var(--teal2)}
nav a.pill:hover{background:rgba(13,155,138,.26)}
nav a.active{color:#fff;background:rgba(255,255,255,.09)}
nav a.active:hover{background:rgba(255,255,255,.12)}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.52);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:#fff}
.subnav-shell{background:#fff;border-bottom:1px solid var(--fog)}
.subnav{display:flex;flex-wrap:wrap;gap:10px;padding:16px 0}
.subnav a{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:999px;border:1px solid rgba(13,155,138,.16);background:#eefaf8;color:#0a6f64;font-size:13px;font-weight:700}
.subnav a:hover{background:#e3f5f1}
.hero{min-height:56vh}
.hero-inner{padding:124px 48px 48px}

.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:140}
.hero{min-height:74vh;background:var(--ink);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");opacity:.45;mix-blend-mode:soft-light}
.hero-glow1,.hero-glow2{position:absolute;border-radius:50%;pointer-events:none}
.hero-glow1{width:720px;height:720px;background:radial-gradient(circle,rgba(13,155,138,.16) 0%,transparent 70%);top:-160px;left:-160px}
.hero-glow2{width:520px;height:520px;background:radial-gradient(circle,rgba(184,115,51,.12) 0%,transparent 70%);bottom:-80px;right:16%}
.hero-inner{position:relative;z-index:2;max-width:1120px;margin:0 auto;padding:136px 48px 72px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal2);margin-bottom:22px}
.eyebrow-line{width:32px;height:1px;background:var(--teal)}
h1{font-family:var(--serif);font-size:clamp(42px,5vw,66px);font-weight:700;line-height:1.05;letter-spacing:-.02em;color:#fff;margin:0 0 18px;max-width:13ch}
.hero-body{font-size:18px;line-height:1.75;color:rgba(255,255,255,.72);max-width:56ch;margin:0 0 12px}
.hero-sub{font-size:15px;line-height:1.72;color:rgba(255,255,255,.58);max-width:64ch;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.cta-primary,.cta-secondary,.cta-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:14px 18px;font-weight:700;font-size:14px;transition:transform .18s,box-shadow .18s,background .18s,color .18s}
.cta-primary{background:var(--teal);color:#fff;box-shadow:0 10px 24px rgba(13,155,138,.24)}
.cta-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(13,155,138,.28)}
.cta-secondary{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff}
.cta-secondary:hover{background:rgba(255,255,255,.12)}
.cta-ghost{background:transparent;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.82)}
.cta-ghost:hover{background:rgba(255,255,255,.06);color:#fff}
.hero-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-links a{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12)}
.hero-links a:hover{border-color:rgba(255,255,255,.24)}
section{padding:92px 0}
section,[id]{scroll-margin-top:96px}
.wrap{max-width:1120px;margin:0 auto;padding:0 48px}
.section-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
h2{font-family:var(--serif);font-size:clamp(30px,3.4vw,44px);line-height:1.14;letter-spacing:-.01em;margin:0 0 16px}
.section-sub{max-width:66ch;font-size:16px;line-height:1.72;color:#4b4a47;margin:0 0 32px}
.copy-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.copy-card,.side-card,.link-card,.artifact-card,.proof-card{background:#fff;border:1px solid var(--fog);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow)}
.copy-card p,.side-card p,.link-card p,.artifact-card p,.proof-card p{font-size:15px;line-height:1.72;color:#55514c;margin:0 0 14px}
.copy-card p:last-child,.side-card p:last-child,.link-card p:last-child,.artifact-card p:last-child,.proof-card p:last-child{margin-bottom:0}
.side-card h3,.link-card h3,.artifact-card h3,.proof-card h3{font-family:var(--serif);font-size:24px;line-height:1.2;margin:0 0 12px}
.callout{background:linear-gradient(180deg,#0f1827 0%,#101b2d 100%);color:#fff;border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:24px 24px;box-shadow:var(--shadow)}
.callout h3{font-family:var(--serif);font-size:26px;margin:0 0 10px}
.callout p{font-size:15px;line-height:1.72;color:rgba(255,255,255,.72);margin:0 0 14px}
.callout p:last-child{margin-bottom:0}
.mini-grid,.artifact-grid,.proof-grid,.next-grid,.resource-grid{display:grid;gap:18px}
.mini-grid{grid-template-columns:repeat(3,1fr)}
.mini-card{background:#fff;border:1px solid var(--fog);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow)}
.mini-card .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:10px}
.mini-card h3{font-family:var(--serif);font-size:22px;margin:0 0 10px}
.mini-card p{margin:0;font-size:14px;line-height:1.68;color:#55514c}
.link-card .link-list, .artifact-card .link-list, .side-card ul, .proof-card ul{margin:0;padding-left:18px;color:#55514c}
.link-card li, .artifact-card li, .side-card li, .proof-card li{margin:0 0 10px;line-height:1.6;font-size:14px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pill-row a{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;border:1px solid rgba(13,155,138,.16);background:#eefaf8;color:#0a6f64;font-size:13px;font-weight:700}
.pill-row a:hover{background:#e3f5f1}
.link-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.inline-note{font-size:13px;color:var(--smoke)}
.artifact-grid{grid-template-columns:repeat(2,1fr)}
.artifact-card .artifact-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--smoke);margin-bottom:12px}
.artifact-card .artifact-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.action-row a{display:inline-flex;align-items:center;justify-content:center;padding:11px 14px;border-radius:10px;font-size:13px;font-weight:700}
.open-btn{background:var(--ink);color:#fff}
.open-btn:hover{background:#1b2335}
.soft-btn{background:#eefaf8;border:1px solid rgba(13,155,138,.18);color:#0a6f64}
.soft-btn:hover{background:#e2f7f3}
.proof-grid{grid-template-columns:repeat(3,1fr)}
.next-grid{grid-template-columns:repeat(3,1fr)}
.next-card{background:#fff;border:1px solid var(--fog);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow)}
.next-card h3{font-family:var(--serif);font-size:22px;margin:0 0 10px}
.next-card p{margin:0;font-size:14px;line-height:1.68;color:#55514c}
.resource-grid{grid-template-columns:repeat(4,1fr)}
.resource-card{background:#fff;border:1px solid var(--fog);border-radius:16px;padding:20px 18px;box-shadow:var(--shadow)}
.resource-card h3{font-family:var(--serif);font-size:20px;margin:0 0 10px}
.resource-card p{margin:0 0 12px;font-size:14px;line-height:1.62;color:#55514c}
.resource-card a{color:var(--teal);font-weight:700}
.resource-card a:hover{text-decoration:underline}
iframe.embed{width:100%;height:620px;border:1px solid rgba(255,255,255,.09);border-radius:16px;background:rgba(255,255,255,.025);box-shadow:0 20px 60px rgba(0,0,0,.16);display:block}
.footer{background:var(--ink);padding:34px 0;color:rgba(255,255,255,.7)}
.footer-inner{max-width:1120px;margin:0 auto;padding:0 48px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center}
.footer-links{display:flex;flex-wrap:wrap;gap:14px;font-size:13px}
.footer-links a:hover{color:#fff}

.ev-intro{font-size:16px;line-height:1.72;color:#555;max-width:64ch;margin:0 0 24px}
.ev-intro strong{color:var(--ink);font-weight:600}
.ev-iframe-shell{width:100%;max-width:680px;margin:0 0 32px;position:relative}
.ev-iframe-shell iframe{width:100%;height:640px;border:1px solid var(--fog);border-radius:16px;background:#0A0F1A;box-shadow:var(--shadow);display:block}
.where-to-start{margin-top:24px;padding:20px 22px;background:#fff;border:1px solid var(--fog);border-radius:12px}
.where-to-start h4{font-family:var(--serif);font-size:17px;margin:0 0 12px}
.wts-steps{display:flex;gap:16px;flex-wrap:wrap}
.wts-step{display:flex;align-items:center;gap:8px;font-size:13px;color:#555}
.wts-step a{color:var(--teal);font-weight:600}
.wts-num{font-family:var(--mono);font-size:10px;color:var(--smoke);letter-spacing:.06em;width:18px;flex-shrink:0}
.wts-arrow{color:var(--fog);font-size:14px;flex-shrink:0}
.ledger-section{margin-top:28px}
.ledger-section h4{font-family:var(--serif);font-size:17px;margin:0 0 6px}
.ledger-sub{font-size:13px;color:var(--smoke);margin:0 0 14px;line-height:1.55}
.ledger-wrap{overflow-x:auto;border:1px solid var(--fog);border-radius:12px;background:#fff}
table.ledger-table{width:100%;border-collapse:collapse;min-width:640px}
.ledger-table th,.ledger-table td{padding:10px 14px;border-bottom:1px solid var(--fog);vertical-align:top;font-size:13px;text-align:left}
.ledger-table th{background:var(--cream);font-weight:600;font-size:12px;letter-spacing:.02em;color:var(--ink);position:sticky;top:0;z-index:1}
.ledger-table td{color:#555}
.ledger-table a{color:var(--teal);font-weight:500}
.ledger-table .pending{color:var(--copper);font-style:italic}
.verify-card{margin-top:18px;padding:18px 22px;background:#fff;border:1px solid var(--fog);border-radius:12px}
.verify-card h4{font-family:var(--serif);font-size:16px;margin:0 0 6px}
.verify-card p{font-size:13px;color:var(--smoke);margin:0 0 12px;line-height:1.55}
.verify-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.verify-row input,.verify-row select{font-family:var(--sans);font-size:13px;padding:8px 12px;border:1px solid var(--fog);border-radius:8px;background:#fff;color:var(--ink)}
.verify-row select{min-width:180px}
.verify-row button{font-family:var(--sans);font-size:13px;padding:8px 16px;border:1px solid var(--teal);border-radius:8px;background:var(--teal);color:#fff;cursor:pointer}
.verify-row button:hover{background:var(--teal2)}
.verify-out{font-family:var(--mono);font-size:12px;margin-top:10px;min-height:20px;color:var(--smoke)}
.verify-out .badge{display:inline-flex;padding:3px 8px;border-radius:99px;font-size:11px;font-weight:600;margin-right:8px}
.verify-out .badge.good{background:rgba(13,155,138,.1);color:var(--teal);border:1px solid rgba(13,155,138,.3)}
.verify-out .badge.warn{background:rgba(184,115,51,.1);color:var(--copper);border:1px solid rgba(184,115,51,.3)}

@media (max-width:980px){
  .copy-grid,.mini-grid,.artifact-grid,.proof-grid,.next-grid,.resource-grid,.link-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .topbar{padding:18px 24px}
  .hamburger{display:flex}
  nav{top:0;right:0;bottom:0;left:auto;width:280px;flex-direction:column;align-items:stretch;gap:0;background:#0A0F1A;padding:80px 24px 32px;transform:translateX(100%);transition:transform .3s ease;z-index:150;border-left:1px solid rgba(255,255,255,.08);overflow-y:auto;pointer-events:auto}
  nav a{display:block!important;padding:14px 16px;font-size:15px;border-radius:10px}
  nav a.pill{margin-top:12px;text-align:center}
  .nav-mobile-open nav{transform:translateX(0)}
  .nav-mobile-open .topbar{z-index:200}
  .nav-overlay{display:none}
  .nav-mobile-open .nav-overlay{display:block}
  .hero-inner,.wrap,.footer-inner{padding-left:24px;padding-right:24px}
  .copy-grid,.mini-grid,.artifact-grid,.proof-grid,.next-grid,.resource-grid,.link-grid{grid-template-columns:1fr}
  iframe.embed{height:520px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .brand-mark .copper-curve,.brand-mark .gap-fill{animation:none}
}