:root{
  --paper:#faf8f3; --paper2:#f1ece0; --ink:#2a2a2a; --soft:#5a5448; --line:#d8d2c4;
  --accent:#3e5d8a; --accent-deep:#2f496e; --accent-bg:#e8eef7;
  --blue:#3e5d8a; --purple:#7d5a9c; --orange:#b56d36; --green:#3a6a57; --teal:#2f7d8a;
  --dark:#1d2530; --dark2:#161d26; --cream:#e9e4d8;
  --maxw:1280px; --readw:1020px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:Inter,system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.read{max-width:var(--readw);margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.1;letter-spacing:-.01em;margin:0}
.eyebrow{font:600 12.5px Inter;letter-spacing:2.5px;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.btn{display:inline-block;font:600 15px Inter;padding:14px 26px;border-radius:9px;cursor:pointer;transition:.15s;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.muted{color:var(--soft)}

header.nav{position:sticky;top:0;z-index:40;background:rgba(250,248,243,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.navin{display:flex;align-items:center;justify-content:space-between;height:66px;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.brand{display:flex;align-items:center;gap:10px;font-family:Fraunces,serif;font-weight:600;font-size:19px;text-decoration:none;color:var(--ink)}
.navlinks{display:flex;align-items:center;gap:4px;font-size:15px}
.navitem{position:relative}
.navitem>a{display:inline-flex;align-items:center;gap:5px;color:var(--soft);text-decoration:none;padding:8px 12px;border-radius:7px;white-space:nowrap;cursor:pointer}
.navitem>a:hover{color:var(--ink)}
.navitem .car{font-size:9px;opacity:.55;transition:transform .15s}
.navitem:hover .car{transform:rotate(180deg)}
.navitem.active>a{color:var(--ink);font-weight:600}
.navitem.active>a::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;background:var(--accent);border-radius:2px}
.subm{position:absolute;top:calc(100% + 2px);left:0;min-width:212px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 40px -22px rgba(40,45,60,.45);padding:7px;opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .14s,transform .14s,visibility .14s}
.navitem:hover .subm,.navitem:focus-within .subm{opacity:1;visibility:visible;transform:translateY(0)}
.subm a{display:block;padding:8px 11px;border-radius:6px;color:var(--soft);text-decoration:none;font-size:14px;white-space:nowrap}
.subm a:hover{background:var(--paper2);color:var(--ink)}
.navcta{margin-left:8px}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:7px;width:42px;height:38px;cursor:pointer;align-items:center;justify-content:center}
.navtoggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.navtoggle span::before,.navtoggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.navtoggle span::before{top:-6px}.navtoggle span::after{top:6px}
@media(max-width:820px){
  .navtoggle{display:inline-flex}
  .navlinks{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 18px 18px;display:none}
  .navlinks.open{display:flex}
  .navitem{position:static}
  .navitem>a{padding:11px 6px;font-size:16px;justify-content:space-between}
  .navitem>a::after{display:none}
  .navitem.active>a{color:var(--accent)}
  .navitem .car{transform:none}
  .subm{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:0 0 8px 14px;min-width:0}
  .subm a{padding:7px 8px;font-size:14.5px}
  .navcta{margin:12px 0 2px;text-align:center}
}

.hero{padding:72px 0 40px}
.heroGrid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:54px;margin-bottom:22px}
.hero p.lead{font-size:19.5px;color:var(--soft);max-width:640px;margin:0 0 30px}
.heroCtas{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.fineprint{margin-top:16px;font-size:13.5px;color:var(--soft)}
.shapeCard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px 20px;
  box-shadow:0 18px 50px -28px rgba(40,45,60,.32)}
.shapeCard .cap{font:600 11px Inter;letter-spacing:1.5px;text-transform:uppercase;color:var(--soft);text-align:center;margin-bottom:6px}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:5px 16px;margin-top:14px;font-size:12.5px;color:var(--soft)}
.legend span{display:flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
@media(max-width:860px){ .heroGrid{grid-template-columns:1fr;gap:32px} .hero h1{font-size:42px} }

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:30px 0 70px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px}
.tcard .ti{font-size:22px;margin-bottom:10px;color:var(--accent)}
.tcard h3{font-size:21px;margin-bottom:8px}
.tcard p{font-size:15px;color:var(--soft);margin:0 0 14px}
.tlink{font:600 14px Inter;color:var(--accent)}
@media(max-width:760px){ .trio{grid-template-columns:1fr} }

.band{background:var(--dark);color:var(--cream)}
.band .wrap,.band .read{padding-top:84px;padding-bottom:84px}
.band .eyebrow{color:#9bb3d6}
.band h2{font-size:38px;color:#fbf8f1;max-width:800px;margin-bottom:24px}
.band .prose{font-family:Newsreader,Georgia,serif;font-size:21px;line-height:1.62;color:#d4d0c6;max-width:920px}
.band .prose p{margin:0 0 18px}
.band .prose em{color:#fbf8f1;font-style:italic}
.band .termnote{margin-top:26px;font-size:14.5px;color:#9aa0a8;max-width:920px;font-family:Inter,sans-serif}

.dims{padding-top:80px;padding-bottom:80px}
.dims .head{max-width:820px;margin-bottom:40px}
.dims h2{font-size:36px;margin-bottom:14px}
.dims .head p{font-size:18px;color:var(--soft);margin:0}
.dimrow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line)}
.dim{padding:24px 18px 26px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.dim:first-child{border-left:1px solid var(--line)}
.dim .n{font:600 12px Inter;letter-spacing:1px}
.dim h3{font-size:20px;margin:8px 0 8px}
.dim p{font-size:14px;color:var(--soft);margin:0}
@media(max-width:860px){ .dimrow{grid-template-columns:1fr 1fr} .dim,.dim:first-child{border-left:1px solid var(--line)} }
@media(max-width:520px){ .dimrow{grid-template-columns:1fr} }

.feature{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.featGrid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-top:78px;padding-bottom:78px}
.feature h2{font-size:36px;margin-bottom:18px}
.feature p{font-size:17px;color:var(--soft);max-width:580px;margin:0 0 24px}
.mock{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 16px 44px -26px rgba(40,45,60,.4)}
.mockbar{display:flex;gap:6px;margin-bottom:14px}
.mockbar i{width:10px;height:10px;border-radius:50%}

.aud{padding-top:80px;padding-bottom:80px}
.aud h2{font-size:36px;margin-bottom:34px;max-width:760px}
.audGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.acard{display:block;background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px 20px;transition:.15s;border-top:3px solid var(--line)}
.acard:hover{transform:translateY(-2px)}
.acard.a1{border-top-color:var(--blue)} .acard.a2{border-top-color:var(--purple)}
.acard.a3{border-top-color:var(--green)} .acard.a4{border-top-color:var(--teal)}
.acard .k{font:600 12px Inter;letter-spacing:.5px;text-transform:uppercase}
.acard.a1 .k{color:var(--blue)} .acard.a2 .k{color:var(--purple)}
.acard.a3 .k{color:var(--green)} .acard.a4 .k{color:var(--teal)}
.acard h3{font-size:18px;margin:9px 0 6px}
.acard p{font-size:13.5px;color:var(--soft);margin:0}
@media(max-width:860px){ .audGrid{grid-template-columns:1fr 1fr} }
@media(max-width:520px){ .audGrid{grid-template-columns:1fr} }

.updates{background:var(--dark)}
.updates .wrap{padding:80px 28px}
.updates .eyebrow{color:#9bb3d6}
.updates h2{font-size:34px;color:#fbf8f1;margin-bottom:18px;max-width:700px}
.signup{display:flex;gap:12px;flex-wrap:wrap;align-items:center;max-width:520px}
.signup input{flex:1;min-width:220px;font:400 15px Inter;padding:13px 16px;border-radius:9px;border:1px solid #38424e;background:#222b36;color:#fbf8f1}
.signup input::placeholder{color:#8b929b}
@media(max-width:760px){ .featGrid{grid-template-columns:1fr;gap:28px} }

footer{background:var(--dark2);color:#9aa0a8;font-size:14px}
footer .wrap{padding:54px 28px 40px}
.footGrid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:30px}
.footGrid a{color:#c2c6cd;display:block;margin:7px 0}
.footcol h4{font:600 12px Inter;letter-spacing:1px;text-transform:uppercase;color:#7c828b;margin:0 0 10px}
.footbrand{max-width:300px}
.footbrand .bn{font-family:Fraunces,serif;font-size:20px;color:var(--cream)}
.disclosure{border-top:1px solid #2a313b;padding-top:22px;font-size:12.5px;color:#7c828b;line-height:1.6}

/* ---- content / article pages ---- */
.phero{padding-top:64px;padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:8px}
.phero h1{font-size:46px;max-width:1000px;margin-bottom:18px}
.phero p{font-size:19px;color:var(--soft);max-width:920px;margin:0}
@media(max-width:620px){ .phero h1{font-size:34px} }
.part{padding:46px 0 8px}
.part .step{font:600 12px Inter;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.part h2{font-size:30px;margin-bottom:16px}
.pp{font-size:17.5px;line-height:1.7;color:#3a352c}
.pp p{margin:0 0 18px}
.pp strong{font-weight:600;color:var(--ink)}
.pp ul{margin:0 0 18px;padding-left:0;list-style:none}
.pp ul li{position:relative;padding-left:20px;margin:0 0 11px}
.pp ul li:before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.pull{font-family:Newsreader,Georgia,serif;font-size:24px;line-height:1.45;color:var(--ink);
  border-left:3px solid var(--accent);padding:4px 0 4px 22px;margin:26px 0;font-style:italic}
.crumb{font-size:14px;color:var(--soft);padding-top:22px}
.crumb a{color:var(--accent)}
.endcta{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0 10px}
.divr{height:1px;background:var(--line);margin:8px 0}

/* ---- technical library ---- */
.libbanner{background:var(--accent-bg);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;padding:12px 16px;font-size:14px;color:#3a352c;margin:0 0 18px}
.libbanner a{color:var(--accent-deep)}
.libgroup{margin:36px 0 0}
.libgroup h2{font-size:22px;margin-bottom:4px}
.libgroup .gsub{color:var(--soft);font-size:14.5px;margin:0 0 14px}
.liblist{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:680px){ .liblist{grid-template-columns:1fr} }
.libitem{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px 17px;transition:.15s}
.libitem:hover{border-color:var(--accent);transform:translateY(-2px)}
.libitem .t{font:600 16px Fraunces,Georgia,serif;color:var(--ink);margin-bottom:3px}
.libitem .d{font-size:13px;color:var(--soft);line-height:1.5}
.doc{font-size:17px;line-height:1.72;color:#33302a}
.doc h1{font-size:33px;margin:0 0 6px}
.doc h2{font-size:24px;margin:34px 0 10px}
.doc h3{font-size:18px;color:var(--accent-deep);margin:24px 0 8px}
.doc p{margin:0 0 16px}
.doc ul,.doc ol{margin:0 0 16px;padding-left:22px}
.doc li{margin:0 0 7px}
.doc strong{color:var(--ink)}
.doc blockquote{border-left:3px solid var(--accent);margin:18px 0;padding:2px 0 2px 18px;color:var(--soft);font-style:italic}
.doc code{background:#efe9dd;padding:1px 5px;border-radius:4px;font-size:14px;font-family:ui-monospace,Menlo,Consolas,monospace}
.doc table{border-collapse:collapse;width:100%;margin:18px 0;font-size:14.5px}
.doc th,.doc td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}
.doc th{background:var(--paper2)}
.doc hr{border:none;border-top:1px solid var(--line);margin:26px 0}
.doc a{color:var(--accent)}


/* ---- review-status badges ---- */
.badge{display:inline-block;font:600 10.5px Inter;letter-spacing:.6px;text-transform:uppercase;padding:3px 9px;border-radius:20px;vertical-align:2px;white-space:nowrap}
.badge-verified{background:#e4efe7;color:#3a6a57;border:1px solid #bcd6c6}
.badge-draft{background:#f4efe2;color:#8a6d3b;border:1px solid #e0d3b3}
.libitem .t .badge{margin-left:6px}
.docmeta{font-size:13.5px;color:var(--soft);margin:14px 0 6px}

/* ---- document page header ---- */
.dochead{margin:26px 0 6px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.dochead h1{font-size:40px;line-height:1.15;margin:8px 0 6px}
.dochead .docmeta{margin:10px 0 0}
@media(max-width:620px){ .dochead h1{font-size:30px} }