:root{
  --bg:#05060a; --panel:rgba(255,255,255,0.04); --panel-solid:#0e111b;
  --line:rgba(255,255,255,0.1); --ink:#f5f7fc; --sub:#aeb6cc; --sub2:#8a92ac;
  --c1:#6ee7ff; --c2:#a78bfa; --c3:#34d399; --c4:#fbbf24; --c5:#fb7185;
  --grad: linear-gradient(120deg,#6ee7ff,#a78bfa 55%,#fb7185);
  --maxw:1140px;
  /* The one font-family in this build was a system stack with Inter fourth in
     the list, behind -apple-system, BlinkMacSystemFont and Segoe UI — so Inter
     never rendered anywhere and the build had no chosen face at all. Its
     identity is real, but it lives entirely in colour: the near-black ground,
     the aurora blooms, the grain, the five accents and the gradient headline.
     That is left exactly as it is. These two only give it a voice to say it in,
     and neither is used anywhere else in the estate. */
  --font:'Anek Latin',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'Kode Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
/* form controls do not inherit font-family from the UA stylesheet, so the
   library's search box and its per-entry buttons were still rendering Arial —
   258 nodes on that page alone, after the rest of the build had a face. */
button,input,select,textarea{font:inherit}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;background:var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(110,231,255,0.13), transparent 60%),
    radial-gradient(ellipse 900px 600px at 90% 10%, rgba(167,139,250,0.12), transparent 60%),
    radial-gradient(ellipse 700px 500px at 50% 100%, rgba(251,113,133,0.07), transparent 60%);
}
.grain{position:fixed;inset:0;z-index:-1;opacity:0.025;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a{color:var(--c1);}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:0 0 10px 0;z-index:1000;font-weight:700;text-decoration:none;}
.skip-link:focus{left:0;}
.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:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible, details:focus-visible, [tabindex]:focus-visible{outline:2px solid var(--c1); outline-offset:3px; border-radius:8px;}
summary{cursor:pointer;}

/* NAV */
header.site-nav{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(16px);background:rgba(5,6,10,0.72);border-bottom:1px solid var(--line);}
.navrow{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{font-weight:800;font-size:1rem;letter-spacing:-0.01em;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px;}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);}
.navlinks{display:flex;gap:2px;flex-wrap:wrap;align-items:center;}
.navlinks a{color:var(--sub);padding:8px 14px;border-radius:999px;font-size:0.84rem;font-weight:600;text-decoration:none;transition:.2s;}
.navlinks a:hover{color:var(--ink);background:var(--panel);}
.navlinks a.current{color:var(--bg);background:var(--ink);}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 10px;font-size:1rem;cursor:pointer;}
@media(max-width:860px){
  .navlinks{display:none;position:absolute;top:100%;left:0;right:0;background:var(--panel-solid);border-bottom:1px solid var(--line);flex-direction:column;padding:10px;gap:2px;}
  .navlinks.open{display:flex;}
  .navlinks a{padding:12px 16px;}
  .nav-toggle{display:block;}
}

main{padding-top:78px;}
.kicker{font-family:var(--mono);font-size:0.7rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--c1);font-weight:500;margin-bottom:14px;}
.crumb{font-family:var(--mono);font-size:0.74rem;color:var(--sub2);margin-bottom:18px;}
.crumb a{color:var(--sub2);text-decoration:none;}
.crumb a:hover{color:var(--c1);}
h1{font-size:clamp(2.2rem,5.4vw,3.6rem);line-height:1.05;font-weight:800;letter-spacing:-0.02em;margin:0 0 18px;}
h2{font-size:clamp(1.7rem,3.6vw,2.4rem);margin:0 0 14px;font-weight:800;letter-spacing:-0.02em;}
h3{font-size:1.15rem;font-weight:700;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.lede{color:var(--sub);font-size:1.08rem;max-width:680px;margin-bottom:20px;line-height:1.7;}
section{padding:80px 0;border-top:1px solid var(--line);}
section.first{border-top:none;padding-top:64px;position:relative;overflow:hidden;}
section.tinted{background:linear-gradient(180deg,rgba(255,255,255,0.018),transparent);}

/* per-page hero motif */
.hero-motif{position:absolute;top:18px;right:28px;width:150px;height:150px;opacity:0.55;pointer-events:none;z-index:0;}
.hero-motif svg{width:100%;height:100%;}
@media(max-width:900px){.hero-motif{width:100px;height:100px;opacity:0.35;}}
@media(max-width:640px){.hero-motif{display:none;}}
section.first .wrap{position:relative;z-index:1;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:0.92rem;text-decoration:none;transition:.2s;border:1px solid transparent;cursor:pointer;}
.btn-primary{background:var(--grad);color:#04121a;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-ghost{background:var(--panel);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:rgba(110,231,255,0.4);}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px;}

/* Cards / grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr;}.grid-4{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.grid-3{grid-template-columns:1fr;}.grid-4{grid-template-columns:1fr;}}
.card{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:26px 26px;transition:.2s;}
.card-link{display:block;text-decoration:none;color:inherit;}
.card-link:hover{border-color:rgba(110,231,255,0.4);background:rgba(255,255,255,0.055);transform:translateY(-3px);}
.card .num{font-family:var(--mono);font-size:0.7rem;color:var(--c1);font-weight:500;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:10px;}
.card h3{margin:0 0 8px;}
.card p{color:var(--sub);font-size:0.9rem;margin:0;}
.card .go{margin-top:14px;font-size:0.82rem;color:var(--c1);font-weight:700;}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:32px 0;}
.stat{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:24px 20px;}
.stat .num{font-family:var(--mono);font-size:1.95rem;font-weight:700;letter-spacing:-0.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat .lbl{font-size:0.8rem;color:var(--sub);margin-top:6px;line-height:1.4;}

/* Footer */
footer.site-footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px;}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;}}
.foot-col h4{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--sub2);margin:0 0 12px;}
.foot-col a{display:block;color:var(--sub);text-decoration:none;font-size:0.88rem;margin-bottom:8px;}
.foot-col a:hover{color:var(--c1);}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;color:var(--sub2);font-size:0.78rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.foot-disclaimer{max-width:760px;margin-bottom:10px;}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .55s ease, transform .55s ease;}
.reveal.show{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms!important;animation-iteration-count:1!important;transition-duration:0.001ms!important;}
}

/* touch targets + button polish */
.navlinks a{min-height:38px;display:inline-flex;align-items:center;}
@media(max-width:860px){.navlinks a{min-height:46px;}}
.nav-toggle{min-height:40px;min-width:40px;}
.btn{min-height:44px;}
.btn-primary:active{transform:translateY(0);filter:brightness(0.97);}
.btn-ghost:active{background:rgba(255,255,255,0.08);}
.card-link:focus-visible{outline:2px solid var(--c1);outline-offset:3px;}

/* credibility / trust section */
.trust-block{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px;}
@media(max-width:800px){.trust-block{grid-template-columns:1fr;}}
.trust-card{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:24px 26px;}
.trust-card .ic{font-size:1.3rem;margin-bottom:10px;display:block;}
.trust-card h3{margin:0 0 8px;font-size:1rem;}
.trust-card p{margin:0;color:var(--sub);font-size:0.88rem;line-height:1.65;}

/* page-next CTA */
.page-next{border:1px solid var(--line);background:var(--panel);border-radius:20px;padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:20px;}
.page-next .txt{max-width:520px;}
.page-next .txt .tag{font-family:var(--mono);font-size:0.7rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--c1);font-weight:500;margin-bottom:6px;}
.page-next h3{margin:0 0 6px;}
.page-next p{color:var(--sub);font-size:0.9rem;margin:0;}

/* v2 learning-state utilities */
.freshness-bar{position:relative;z-index:40;margin-top:72px;padding:10px 28px;background:#11182a;border-bottom:1px solid rgba(110,231,255,.24);color:#cbd4ea;font-size:.78rem;line-height:1.55}
.freshness-bar strong{color:#f5f7fc}
.freshness-bar + main{padding-top:0}
.progress-chip{position:fixed;right:18px;bottom:18px;z-index:80;border:1px solid rgba(110,231,255,.42);background:#11182a;color:#f5f7fc;border-radius:999px;padding:10px 15px;min-height:44px;font:700 .76rem/1 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;box-shadow:0 10px 30px rgba(0,0,0,.35);cursor:pointer}
.progress-chip[aria-pressed="true"]{background:#14392f;border-color:#34d399}
.route-builder{border:1px solid rgba(110,231,255,.28);background:linear-gradient(145deg,rgba(110,231,255,.07),rgba(167,139,250,.06));border-radius:22px;padding:28px;margin-top:28px}
.route-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.route-field label,.route-field legend{display:block;color:#f5f7fc;font-weight:750;font-size:.86rem;margin-bottom:8px}
.route-field select{width:100%;min-height:46px;background:#0e111b;color:#f5f7fc;border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:10px 12px}
.stakes-row{display:flex;gap:8px;flex-wrap:wrap}
.stakes-row label{display:flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:9px 13px;color:#cbd4ea;font-weight:600;cursor:pointer}
.route-output{margin-top:22px;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
.route-output[hidden]{display:none}
.route-output h3{margin:0 0 8px}
.route-output ol{padding-left:22px;color:#cbd4ea}
.route-output .guardrail{border-left:3px solid #fbbf24;padding:10px 14px;background:rgba(251,191,36,.08);color:#e8dfc7;border-radius:0 10px 10px 0}
.standard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.standard-card{border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px;background:rgba(255,255,255,.035)}
.standard-card h3{margin:0 0 7px;font-size:1rem}
.standard-card p{margin:0;color:#aeb6cc;font-size:.84rem}
@media(max-width:760px){.freshness-bar{margin-top:68px;padding:10px 18px}.route-form-grid,.standard-grid{grid-template-columns:1fr}.route-builder{padding:20px}.progress-chip{right:10px;bottom:10px}}
@media print{
  /* This site is near-black with pale ink. Browsers do not paint backgrounds
     when printing, so every word on the page came out white on white. Print
     inverts to ink on paper instead, and the gradient headline — which is a
     background clipped to the glyphs — has to be given a real colour back or
     it prints as nothing at all. */
  @page{margin:16mm}
  html{font-size:11pt}
  body{background:#fff!important;color:#111!important}
  body::before,.grain,.hero-motif{display:none!important}
  .freshness-bar,.progress-chip,.site-nav,.nav-toggle,.skip-link{display:none!important}
  .freshness-bar + main{padding-top:0}
  main{padding-top:0!important}
  section{padding:16px 0!important;border-top:1px solid #bbb!important}
  h1,h2,h3,h4,p,li,td,th,summary,.lede,.crumb,.kicker,.card,.stat,.foot-col,.foot-h{
    color:#111!important;background:transparent!important}
  .grad-text,.stat .num{
    background:none!important;-webkit-background-clip:border-box!important;
    background-clip:border-box!important;color:#111!important}
  .card,.stat,.panel,.page-next{border:1px solid #999!important;background:#fff!important;
    box-shadow:none!important;break-inside:avoid}
  .btn,.btn-primary{border:1px solid #666!important;background:#fff!important;color:#111!important}
  a{color:#111!important;text-decoration:underline}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:.8em;word-break:break-all}
  h1,h2,h3{break-after:avoid}
}

@media (forced-colors: active){
  /* the whole design is painted surfaces and gradient ink; high contrast
     discards every one of them, so the structure has to come back as borders */
  body::before,.grain,.hero-motif{display:none!important}
  .card,.stat,.panel,.page-next,.navlinks,.btn,.chip{
    border:1px solid CanvasText;background:Canvas;color:CanvasText}
  .grad-text,.stat .num{
    background:none!important;-webkit-background-clip:border-box!important;
    background-clip:border-box!important;color:CanvasText!important;forced-color-adjust:none}
  .btn-primary{background:Highlight;color:HighlightText;border-color:Highlight;forced-color-adjust:none}
  .brand .dot{background:CanvasText;forced-color-adjust:none}
  .navlinks a.current{background:Highlight;color:HighlightText;forced-color-adjust:none}
  a{color:LinkText}
  a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid Highlight}
}

.foot-col .foot-h{font-family:var(--mono);font-size:0.74rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--sub2);margin:0 0 12px;}


/* Shared reading-guide block: the editorial framing that tells a reader how to use a page. */
.read-guide{border-left:3px solid var(--c2);background:rgba(167,139,250,0.07);border-radius:0 14px 14px 0;padding:22px 26px;margin:26px 0 6px;}
.read-guide h2{font-size:1.25rem;margin:0 0 10px;}
.read-guide h3{font-size:1rem;margin:18px 0 6px;color:var(--ink);}
.read-guide p{color:var(--sub);font-size:0.92rem;line-height:1.7;margin:0 0 12px;max-width:74ch;}
.read-guide p:last-child{margin-bottom:0;}
.read-guide strong{color:var(--ink);}
.read-guide ol,.read-guide ul{color:var(--sub);font-size:0.92rem;line-height:1.7;padding-left:22px;margin:0 0 12px;max-width:74ch;}
.read-guide li{margin-bottom:8px;}
.read-guide li strong{color:var(--ink);}

/* Stacked content sections replace the old JS tab panels: every group is on the
   page at once, reachable by anchor, and readable with scripting turned off. */
.jump-nav{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 34px;}
.jump-nav a{font-size:0.8rem;color:var(--sub);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:9px 16px;text-decoration:none;min-height:40px;display:inline-flex;align-items:center;font-weight:600;}
.jump-nav a:hover{color:var(--ink);border-color:rgba(110,231,255,0.45);background:rgba(255,255,255,0.06);}
.jump-nav a:focus-visible{outline:2px solid var(--c1);outline-offset:3px;}
.stack-sec{padding:0;border-top:none;margin:0 0 52px;scroll-margin-top:150px;}
.stack-sec>h2{font-size:1.6rem;margin:0 0 18px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.stack-sec:last-of-type{margin-bottom:12px;}