:root{
  --ink:#2D254D;
  --ink-soft:#6B6F80;
  --navy:#2D254D;
  --indigo:#6348E5;
  --indigo-dark:#4F39C4;
  --indigo-tint:#F1EEFC;
  --mint:#22B573;
  --mint-tint:#DFF7E9;
  --amber:#B98418;
  --amber-tint:#FBF1DE;
  --red:#D6393E;
  --red-tint:#FDEAEA;
  --canvas:#FFFFFF;
  --canvas-alt:#F6F6F8;
  --hairline:#E7E7ED;
  --radius:20px;
  --display:'Onest', sans-serif;
  --body:'Onest', sans-serif;
  --mono:'IBM Plex Mono', monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0; background:var(--canvas); color:var(--ink); font-family:var(--body); line-height:1.6; -webkit-font-smoothing:antialiased;}
a{color:var(--indigo);}
a:focus-visible, button:focus-visible, input:focus-visible{outline:2px solid var(--indigo); outline-offset:3px;}

.topbar{
  position:sticky; top:0; z-index:50; display:flex; align-items:center; gap:16px; flex-wrap:wrap;
  padding:16px 24px; background:rgba(255,255,255,0.9); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hairline);
}
.logo-img{height:20px; width:auto; display:block;}
.logo-link{display:block; line-height:0;}
.topbar .page-title{
  font-size:13px; color:var(--ink-soft); font-weight:500;
  border-left:1px solid var(--hairline); padding-left:16px; display:none;
}
@media(min-width:720px){ .topbar .page-title{display:block;} }
.trail-nav{margin-left:auto; display:flex; gap:6px;}
.trail-pill{
  font-size:12.5px; font-weight:600; letter-spacing:0.01em; padding:7px 14px;
  border-radius:999px; border:1px solid var(--hairline); color:var(--ink-soft);
  white-space:nowrap; text-decoration:none; display:inline-block; transition:border-color .15s ease, color .15s ease;
}
a.trail-pill:hover{border-color:var(--indigo); color:var(--indigo);}
.trail-pill.active{background:var(--navy); color:#fff; border-color:var(--navy);}
@media(max-width:760px){ .trail-pill span{display:none;} }

.hero{position:relative; overflow:hidden; padding:72px 24px 64px; background:var(--canvas);}
.hero-graphic{position:absolute; inset:0; z-index:0; pointer-events:none;}
.hero-inner{max-width:920px; margin:0 auto; position:relative; z-index:1;}
.eyebrow{font-size:13px; font-weight:600; letter-spacing:0.04em; color:var(--indigo); text-transform:uppercase; margin:0 0 18px;}
.hero h1{font-family:var(--display); font-weight:700; font-size:clamp(28px, 4.6vw, 48px); line-height:1.12; margin:0 0 18px; letter-spacing:-0.02em; max-width:760px; color:var(--ink);}
.hero h1 .accent{color:var(--indigo);}
.hero .subhead{font-size:17px; color:var(--ink-soft); max-width:620px; margin:0 0 36px;}

/* Two-column hero used on module pages: copy on the left, interactive widget on the right */
.hero-split{
  max-width:1120px; margin:0 auto; position:relative; z-index:1;
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px;
}
@media(max-width:900px){ .hero-split{grid-template-columns:1fr; gap:36px;} }
.hero-copy h1{max-width:none;}
.hero-copy .subhead{margin-bottom:0;}
.hero-visual{width:100%;}
.hero-visual > div{width:100%; max-width:100%;}

main{max-width:920px; margin:0 auto; padding:0 24px;}
.channel{
  padding:52px 0; border-bottom:1px solid var(--hairline);
  display:grid; grid-template-columns:88px 1fr; gap:24px;
}
@media(max-width:640px){ .channel{grid-template-columns:1fr; gap:10px;} }
.channel-index{padding-top:2px;}
.channel-index .n{font-family:var(--display); font-weight:800; font-size:26px; color:var(--indigo); line-height:1;}
.channel-index .label{display:block; font-size:11px; color:var(--ink-soft); font-weight:600; text-transform:uppercase; letter-spacing:0.04em; margin-top:6px;}
.channel h2{font-family:var(--display); font-weight:700; font-size:26px; margin:0 0 14px; letter-spacing:-0.01em;}
.channel p{margin:0 0 14px; color:var(--ink-soft); max-width:660px;}
.channel ul, .channel ol{margin:0 0 6px; padding-left:20px; color:var(--ink-soft);}
.channel li{margin-bottom:8px; max-width:640px;}
.channel li strong{color:var(--ink);}
.channel code{background:var(--canvas-alt); border:1px solid var(--hairline); border-radius:4px; padding:1px 6px; font-family:var(--mono); font-size:12.5px;}

.example-pair{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:18px 0 8px;}
@media(max-width:640px){ .example-pair{grid-template-columns:1fr;} }
.example{border-radius:14px; padding:14px 16px; font-family:var(--mono); font-size:12.5px; border:1px solid var(--hairline); line-height:1.55;}
.example.bad{background:var(--red-tint); border-color:#F5D3D4;}
.example.good{background:var(--mint-tint); border-color:#C6EDD6;}
.example .tag{display:block; font-family:var(--body); font-weight:700; font-size:11px; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:6px;}
.example.bad .tag{color:var(--red);}
.example.good .tag{color:#1D8A54;}

.bridge{
  background:var(--indigo-tint); color:var(--ink); border-radius:var(--radius);
  padding:28px; margin:52px 0 0; border-left:4px solid var(--indigo);
}
.bridge h2{font-family:var(--display); font-size:22px; margin:0 0 10px; color:var(--ink);}
.bridge p{color:var(--ink-soft); margin:0 0 8px;}
.bridge a{color:var(--indigo); font-weight:600;}

.trail-summary{padding:56px 0 20px;}
.trail-summary h2{font-family:var(--display); font-size:22px; margin:0 0 20px;}
.trail-cards{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
@media(max-width:760px){ .trail-cards{grid-template-columns:1fr;} }
.trail-card{border:1px solid var(--hairline); border-radius:16px; padding:18px; background:#fff; text-decoration:none; display:block; color:var(--ink); transition:border-color .15s ease;}
.trail-card:hover{border-color:var(--indigo);}
.trail-card.current{border-color:var(--indigo); background:var(--indigo-tint);}
.trail-card .num{font-size:12px; color:var(--indigo); font-weight:700; text-transform:uppercase; letter-spacing:0.04em;}
.trail-card h3{font-family:var(--display); font-size:16px; margin:6px 0 6px;}
.trail-card p{font-size:13px; color:var(--ink-soft); margin:0;}

footer{background:var(--canvas-alt); color:var(--ink-soft); padding:36px 24px; margin-top:36px; border-top:1px solid var(--hairline);}
.footer-inner{max-width:920px; margin:0 auto; display:flex; flex-wrap:wrap; gap:24px; justify-content:space-between; align-items:flex-start;}
footer a{color:var(--ink); font-weight:600;}
footer .footer-title{font-size:11px; text-transform:uppercase; letter-spacing:0.06em; color:#9498A8; font-weight:700; margin-bottom:8px;}
footer p{margin:0; font-size:13px; max-width:420px;}

.footer-links{display:flex; flex-wrap:wrap; gap:16px;}
.footer-link{background:none; border:none; padding:0; font:inherit; cursor:pointer; color:var(--ink); font-weight:600; font-size:13.5px; text-decoration:none;}
.footer-link:hover{color:var(--indigo);}
.footer-contact{display:flex; gap:16px; flex-wrap:wrap;}
.footer-contact a{font-weight:600; font-size:13.5px;}

dialog.policy-modal{border:none; border-radius:20px; padding:0; width:92vw; max-width:760px; max-height:85vh; box-shadow:0 24px 64px rgba(45,37,77,0.28);}
dialog.policy-modal::backdrop{background:rgba(45,37,77,0.45);}
.modal-inner{position:relative;}
.modal-close{
  position:absolute; top:16px; right:16px; width:34px; height:34px; border-radius:50%;
  border:1px solid var(--hairline); background:#fff; color:var(--ink-soft); font-size:18px; line-height:1;
  cursor:pointer; display:flex; align-items:center; justify-content:center; z-index:2;
}
.modal-close:hover{border-color:var(--indigo); color:var(--indigo);}
.modal-scroll{overflow-y:auto; max-height:85vh; padding:44px 40px 40px;}
.modal-eyebrow{font-size:12px; font-weight:700; letter-spacing:0.05em; text-transform:uppercase; color:var(--indigo); margin:0 0 10px;}
.modal-scroll h2{font-family:var(--display); font-size:22px; margin:0 0 10px;}
.modal-meta{font-size:12.5px; color:var(--ink-soft); margin:0 0 20px;}
.modal-callout{background:var(--canvas-alt); border:1px solid var(--hairline); border-radius:12px; padding:14px 16px; font-size:13px; color:var(--ink-soft); margin:0 0 28px;}
.modal-scroll h3{font-family:var(--display); font-size:17px; margin:28px 0 10px; color:var(--ink);}
.modal-scroll h4{font-family:var(--display); font-size:14.5px; margin:18px 0 8px; color:var(--ink);}
.modal-scroll p{font-size:14px; color:var(--ink-soft); margin:0 0 12px;}
.modal-scroll ul, .modal-scroll ol{margin:0 0 12px; padding-left:20px; color:var(--ink-soft); font-size:14px;}
.modal-scroll li{margin-bottom:6px;}
.modal-scroll table{width:100%; border-collapse:collapse; margin:0 0 16px; font-size:13px;}
.modal-scroll th, .modal-scroll td{border:1px solid var(--hairline); padding:8px 10px; text-align:left; color:var(--ink-soft); vertical-align:top;}
.modal-scroll th{background:var(--canvas-alt); color:var(--ink); font-weight:700;}
.modal-scroll strong{color:var(--ink);}
.modal-footnote{font-size:12px; color:#9498A8; border-top:1px solid var(--hairline); padding-top:16px; margin-top:8px;}

@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{transition:none !important; animation:none !important;} }