:root{
  --bg:#FBFAF7; --bg2:#F3F1EB; --ink:#1E2A33; --ink2:#47535D; --muted:#7C8893;
  --line:#E7E2D8; --line2:#EFEBE3; --accent:#1F3A5F; --accent-soft:#EAF0F6;
  --gold:#B5762B; --gold-soft:#F4EADA; --green:#2E7D55; --green-soft:#E7F1EA; --card:#FFFFFF;
  --navy:#0A1A2F;
  --serif:Georgia,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-sans:var(--sans);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;color:var(--ink);}
section{max-width:1020px;margin:0 auto;padding:64px 28px;scroll-margin-top:62px;}
.band{background:var(--bg2);}
.eyebrow{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px;}
h2{font-size:32px;line-height:1.15;margin:0 0 14px;}
.lead{font-size:17.5px;color:var(--ink2);max-width:680px;margin:0 0 32px;}
a{color:var(--accent);}

/* nav */
#prog{position:fixed;top:0;left:0;height:2px;background:var(--accent);width:0;z-index:60;transition:width .1s;}
nav.site{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.nav-in{max-width:1020px;margin:0 auto;display:flex;align-items:center;gap:4px;padding:13px 28px;}
.brand{font-family:var(--serif);font-weight:600;font-size:16px;color:var(--ink);margin-right:auto;white-space:nowrap;text-decoration:none;}
.brand b{color:var(--accent);}
nav.site a{font-size:13.5px;color:var(--ink2);text-decoration:none;padding:6px 12px;border-radius:7px;white-space:nowrap;}
nav.site a:hover{color:var(--ink);background:var(--accent-soft);}
nav.site a.on{color:var(--accent);font-weight:700;background:var(--accent-soft);}

/* hero */
.hero{padding-top:84px;padding-bottom:36px;}
.hero h1{font-size:52px;line-height:1.05;margin:0 0 20px;max-width:780px;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero p{font-size:20px;color:var(--ink2);max-width:620px;margin:0 0 12px;}
.hero .by{font-size:14px;color:var(--muted);margin-top:22px;}
.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.btn{display:inline-block;text-decoration:none;font-size:14.5px;font-weight:600;padding:11px 20px;border-radius:9px;border:1px solid var(--accent);}
.btn.solid{background:var(--accent);color:#fff;}
.btn.solid:hover{background:#16304F;}
.btn.ghost{color:var(--accent);background:transparent;}
.btn.ghost:hover{background:var(--accent-soft);}

/* latest-update banner */
.pulse-wrap{max-width:1020px;margin:0 auto;padding:0 28px;}
.pulse{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:14px 18px;box-shadow:0 1px 2px rgba(30,42,51,.04);flex-wrap:wrap;}
.pulse .ptag{font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;background:var(--gold-soft);color:var(--gold);padding:4px 10px;border-radius:20px;white-space:nowrap;}
.pulse .pdate{font-size:13px;color:var(--muted);white-space:nowrap;}
.pulse .ptitle{font-size:15px;color:var(--ink);font-weight:600;flex:1;min-width:220px;}
.pulse a{font-size:13.5px;font-weight:600;white-space:nowrap;text-decoration:none;}
.pulse a:hover{text-decoration:underline;}

/* cards & grids */
.grid{display:grid;gap:20px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 24px;box-shadow:0 1px 2px rgba(30,42,51,.04);}
.card h3{font-size:19px;margin:0 0 8px;}
.card p{margin:0;font-size:15px;color:var(--ink2);}

/* board showcase */
.screens{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.screen-frame{background:#11233b;border-radius:14px;padding:10px;box-shadow:0 10px 30px rgba(30,42,51,.14);}
.screen-cap{font-size:14px;color:var(--ink2);margin:14px 4px 0;}
.screen-cap b{color:var(--ink);}
@keyframes livepulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.livedot{width:7px;height:7px;border-radius:50%;background:#3FD295;display:inline-block;animation:livepulse 2s ease-in-out infinite;}

/* roadmap — managed phase tracker (Updates page). Fill level is a hand-set
   presentation value (see ROADMAP in updates.js), never computed from anything. */
.roadmap-wrap{max-width:1020px;margin:0 auto;padding:0 28px;}
.roadmap{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 26px 20px;box-shadow:0 1px 2px rgba(30,42,51,.04);}
.rm-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;}
.rm-eyebrow{font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-weight:700;}
.rm-title{font-family:var(--serif);font-size:20px;color:var(--ink);font-weight:600;margin-top:4px;}
.rm-asof{font-size:12.5px;color:var(--muted);white-space:nowrap;}
.rm-steps{position:relative;display:flex;margin-top:26px;}
.rm-track{position:absolute;left:10%;right:10%;top:7px;height:6px;border-radius:6px;background:var(--line2);overflow:hidden;}
.rm-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--green),var(--accent));transition:width .8s ease;}
.rm-step{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;z-index:1;padding:0 4px;}
.rm-dot{width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;line-height:1;}
.rm-step.done .rm-dot{background:var(--green);border-color:var(--green);}
.rm-step.current .rm-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 5px var(--accent-soft);}
.rm-label{font-size:12.5px;margin-top:11px;color:var(--ink2);line-height:1.25;max-width:130px;}
.rm-step.current .rm-label{color:var(--ink);font-weight:700;}
.rm-note{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:2px;}
@media (prefers-reduced-motion: reduce){.rm-fill{transition:none;}}
/* nested sub-track — detail inside the current phase */
.rm-sub{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.rm-sub-title{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);font-weight:700;margin-bottom:13px;}
.rm-sub-list{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(4,auto);grid-auto-flow:column;gap:12px 26px;}
.rm-sub-item{display:flex;align-items:flex-start;gap:10px;}
.rm-sub-dot{flex:0 0 auto;width:15px;height:15px;border-radius:50%;margin-top:2px;border:2px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;font-size:8px;font-weight:800;color:#fff;line-height:1;}
.rm-sub-item.done .rm-sub-dot{background:var(--green);border-color:var(--green);}
.rm-sub-item.current .rm-sub-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);}
.rm-sub-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.rm-sub-text b{font-size:13.5px;font-weight:600;color:var(--ink);}
.rm-sub-item.ahead .rm-sub-text b{color:var(--ink2);font-weight:500;}
.rm-sub-note{font-size:11.5px;color:var(--muted);margin-top:1px;}
.rm-sub-tag{display:inline-block;margin-left:8px;font-size:9.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:2px 8px;border-radius:20px;vertical-align:1px;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.step .n{font-family:var(--serif);font-size:15px;color:#fff;background:var(--accent);width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}
.step h4{font-family:var(--sans);font-size:16px;font-weight:700;margin:0 0 5px;color:var(--ink);}
.step p{margin:0;font-size:14.5px;color:var(--ink2);}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.ph{border-radius:12px;padding:22px;border:1px solid var(--line);background:var(--card);}
.ph .pe{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:700;}
.ph h3{font-size:19px;margin:5px 0 11px;}
.ph ul{margin:0;padding-left:18px;color:var(--ink2);font-size:14.5px;line-height:1.7;}

/* ===== system map (solution page) ===== */
.sysmap{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px 16px;}
.sysmap svg{width:100%;height:auto;display:block;}
.mnode{cursor:pointer;}
.mnode rect{transition:filter .12s,opacity .15s;}
.mnode:hover rect{filter:brightness(1.12);}
svg.has-sel .mnode:not(.sel){opacity:.38;}
svg.has-sel line{opacity:.45;}
.mnode.sel rect{stroke:var(--gold);stroke-width:2.5;}
.mapdetail{margin-top:18px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:24px 28px;}
.mapdetail .mdn{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);}
.mapdetail h3{font-size:22px;margin:4px 0 14px;}
.mapdetail .lab{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:14px 0 4px;}
.mapdetail .txt{font-size:15.5px;color:var(--ink2);line-height:1.58;margin:0;}
.mapctl{display:flex;align-items:center;gap:10px;margin:0 0 16px;flex-wrap:wrap;}
.mapctl button{font:inherit;font-size:13px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 14px;cursor:pointer;color:var(--ink2);min-width:106px;}
.mapctl button:hover:not(:disabled){border-color:var(--accent);color:var(--accent);}
.mapctl button:disabled{opacity:.35;cursor:default;}
.mapctl .pos{font-size:12.5px;color:var(--muted);min-width:64px;text-align:center;}
.mapctl .clear{margin-left:auto;min-width:0;border:none;background:none;color:var(--muted);font-size:12.5px;}
.mapctl .clear:hover:not(:disabled){color:var(--accent);}
.mapdetail .mdbody{min-height:190px;}
.tourbar{display:flex;align-items:center;gap:12px;margin:0 0 16px;flex-wrap:wrap;}
.tourbar .hintchip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);background:var(--accent-soft);padding:7px 13px;border-radius:20px;}
.tourbar .btn{padding:8px 16px;font-size:13.5px;}

/* university tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 18px;}
.tab{font:inherit;font-size:13.5px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink2);border-radius:20px;padding:8px 16px;cursor:pointer;}
.tab:hover{border-color:var(--accent);color:var(--accent);}
.tab.on{background:var(--accent);border-color:var(--accent);color:#fff;}
.tabpanel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;}
.tabpanel .routes{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 12px;}
.rchip{font-size:14px;font-weight:700;color:#fff;background:var(--accent);border-radius:8px;padding:5px 11px;}
.tabpanel p{margin:0;font-size:14.5px;color:var(--ink2);}

/* expanding cards */
.xwrap{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
details.xcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0;overflow:hidden;}
details.xcard summary{list-style:none;cursor:pointer;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px;}
details.xcard summary::-webkit-details-marker{display:none;}
details.xcard summary b{font-size:16px;color:var(--ink);}
details.xcard summary .tag{font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 9px;border-radius:20px;white-space:nowrap;}
.tag.now{background:var(--green-soft);color:var(--green);} .tag.later{background:var(--gold-soft);color:var(--gold);}
details.xcard .xbody{padding:0 20px 18px;font-size:14.5px;color:var(--ink2);}
details.xcard .xbody p{margin:0 0 10px;}
details.xcard[open] summary{border-bottom:1px solid var(--line2);margin-bottom:12px;}

/* ===== updates page ===== */
.featured{background:#fff;border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:14px;padding:26px 30px;box-shadow:0 6px 24px rgba(30,42,51,.07);}
.featured .ftop{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.featured h3{font-size:24px;margin:0 0 10px;}
.featured p{margin:0 0 10px;font-size:15.5px;color:var(--ink2);}
.featured ul{margin:10px 0 0;padding-left:20px;color:var(--ink2);font-size:14.5px;line-height:1.7;}
.ubadge{font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;background:var(--gold-soft);color:var(--gold);padding:4px 10px;border-radius:20px;}
.utag{font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:20px;background:var(--accent-soft);color:var(--accent);}
.utag.data{background:var(--green-soft);color:var(--green);}
.utag.milestone{background:var(--accent-soft);color:var(--accent);}
.utag.design{background:#EFE9F6;color:#5E4B8B;}
.udate{font-size:13px;color:var(--muted);}
.timeline{margin-top:40px;position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line);}
.tentry{position:relative;padding:0 0 30px;}
.tentry::before{content:"";position:absolute;left:-26px;top:7px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--accent);}
.tentry.latest::before{border-color:var(--gold);background:var(--gold-soft);}
.tentry .thead{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px;}
.tentry h4{font-family:var(--serif);font-size:18.5px;font-weight:600;margin:0;}
.tentry p{margin:0;font-size:14.8px;color:var(--ink2);max-width:760px;}
.tentry ul{margin:8px 0 0;padding-left:20px;color:var(--ink2);font-size:14px;line-height:1.65;}

footer.site{border-top:1px solid var(--line);max-width:1020px;margin:0 auto;padding:30px 28px 52px;color:var(--muted);font-size:14px;}
footer.site b{color:var(--ink2);}

@media(max-width:860px){
  .g2,.g3,.screens,.steps,.road,.xwrap{grid-template-columns:1fr;}
  /* roadmap → vertical stepper on small screens (6 phases won't fit a phone row) */
  .roadmap{padding:18px 18px 10px;}
  .rm-steps{flex-direction:column;margin-top:14px;}
  .rm-track{display:none;}
  .rm-step{flex-direction:row;align-items:flex-start;text-align:left;gap:13px;padding:0 0 17px;}
  .rm-step:last-child{padding-bottom:2px;}
  .rm-step::before{content:"";position:absolute;left:10px;top:22px;bottom:-1px;width:2px;background:var(--line2);transform:translateX(-50%);}
  .rm-step:last-child::before{display:none;}
  .rm-step.done::before{background:var(--green);}
  .rm-dot{position:relative;z-index:1;}
  .rm-label{flex:1;max-width:none;margin-top:0;font-size:14px;line-height:1.25;}
  .rm-note{font-size:12px;margin-top:1px;}
  .rm-sub-list{grid-template-columns:1fr;grid-template-rows:auto;grid-auto-flow:row;gap:13px;}
  .hero h1{font-size:36px;}
  .nav-in{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
  .nav-in::-webkit-scrollbar{display:none;}
  .brand{margin-right:14px;}
  .bx{display:none;}
  nav.site a{flex:0 0 auto;}
  section{padding:48px 22px;}
  .pulse{gap:8px;}
  .featured{padding:20px 22px;}
}