/* Terra Incognita pages on www.xn3tech.com (product page and player's manual).
   Parchment, ink and madder red, after the game's engraved pictures. Light and dark follow the system. */
:root{
  --bg:#f2e8cf;--bg2:#e9dcbb;--surface:#fbf6e8;--ink:#2b2118;--muted:#5b4934;--line:#cbb68c;--rule:#a88f62;
  --madder:#9b2a1f;--madderSoft:#f1dccd;--on:#fbf6e8;--sea:#2d5a70;--seaSoft:#dde7e6;
  --band:#2b2118;--bandText:#efe4c8;--bandMuted:#c7b38e;--bandLine:#4c3d2b;--code:#ebdfc0;
  --shadow:0 10px 30px rgba(60,40,15,0.16);
  --display:'IM Fell English',Georgia,'Times New Roman',serif;
  --text:'EB Garamond',Georgia,'Times New Roman',serif;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#17120c;--bg2:#1f1810;--surface:#241c13;--ink:#eee2c4;--muted:#c6b28d;--line:#4b3c2a;--rule:#7a6444;
  --madder:#e5806a;--madderSoft:#3a1e16;--on:#17120c;--sea:#8cc0d4;--seaSoft:#16262d;
  --band:#0e0a06;--bandText:#e6d9bb;--bandMuted:#a8946f;--bandLine:#3a2e20;--code:#2e241a;
  --shadow:0 10px 30px rgba(0,0,0,0.45);
}}
@media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--text);font-size:19px;line-height:1.6;
  background-image:radial-gradient(ellipse 80% 50% at 15% 0%,rgba(255,250,235,0.35),transparent 70%),radial-gradient(ellipse 60% 40% at 100% 100%,rgba(120,80,30,0.08),transparent 70%);background-attachment:fixed}
@media (prefers-color-scheme: dark){body{background-image:radial-gradient(ellipse 80% 50% at 15% 0%,rgba(229,128,106,0.06),transparent 70%)}}
[id]{scroll-margin-top:84px}
a{color:var(--madder);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--madder);outline-offset:3px;border-radius:4px}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.15;letter-spacing:0.005em}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.muted{color:var(--muted)}
.skip{position:absolute;left:-9999px;top:8px;z-index:20;background:var(--surface);color:var(--ink);padding:8px 14px;border:2px solid var(--madder);border-radius:6px}
.skip:focus{left:12px}

/* Site header and footer (the XN3 Technologies brand, as on every page of the site) */
header.site{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
header.site .wrap{padding-top:8px;padding-bottom:8px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2px 28px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;color:var(--ink)}
.brand span{font-family:var(--text);font-size:19px;font-weight:600;letter-spacing:0.01em}
nav.top{display:flex;flex-wrap:wrap;gap:0 24px;font-size:17px;font-weight:500}
nav.top a{display:inline-block;padding:10px 0;text-decoration:none;color:var(--ink)}
nav.top a:hover{color:var(--madder)}
footer.site{background:var(--band);color:var(--bandText)}
footer.site .wrap{padding-top:40px;padding-bottom:32px}
footer.site .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px}
footer.site .brand{color:var(--bandText)}
footer.site nav{display:flex;flex-wrap:wrap;gap:0 22px;font-size:16px}
footer.site nav a{display:inline-block;padding:10px 0;text-decoration:none;color:var(--bandText)}
footer.site .fine{margin-top:22px;padding-top:18px;border-top:1px solid var(--bandLine);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 32px;font-size:15px;color:var(--bandMuted)}

/* The title: the star and the name in the display face */
.wordmark{display:flex;align-items:center;gap:14px;margin:0;font-family:var(--display);font-size:clamp(40px,6vw,68px);line-height:1;color:var(--ink)}
.wordmark svg{width:0.9em;height:0.9em;flex:none}
.eyebrow{margin:0 0 14px;font-family:var(--display);font-size:16px;letter-spacing:0.16em;text-transform:uppercase;color:var(--madder)}
.badge{display:inline-block;margin-left:6px;padding:1px 9px;border:1px solid var(--madder);border-radius:999px;font-family:var(--text);font-size:14px;letter-spacing:0.08em;text-transform:uppercase;color:var(--madder);vertical-align:middle}

/* Ornament: a ruled line with the navigator's star */
.ornament{display:flex;align-items:center;gap:14px;margin:6px 0 18px;color:var(--rule);max-width:260px}
.ornament::before,.ornament::after{content:"";flex:1;border-top:1px solid currentColor;border-bottom:1px solid currentColor;height:3px}
.ornament svg{width:18px;height:18px;flex:none}

/* Hero */
.hero{padding:clamp(36px,6vw,72px) 0 clamp(40px,6vw,64px);border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),transparent)}
.hero .grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(24px,4vw,56px);align-items:center}
.hero h1{margin:18px 0 0;font-size:clamp(26px,3.2vw,38px);font-style:italic}
.hero p.lead{margin:16px 0 0;max-width:640px;font-size:21px;color:var(--muted)}
.hero .facts-line{margin:14px 0 0;font-size:16px;color:var(--muted)}
.btns{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:6px;font-family:var(--text);font-size:18px;font-weight:600;text-decoration:none;letter-spacing:0.01em}
.btn.primary{background:var(--madder);color:var(--on);border:2px solid var(--madder)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{border:2px solid var(--ink);color:var(--ink)}
.btn.ghost:hover{border-color:var(--madder);color:var(--madder)}

/* An engraving in a plate frame */
.plate{margin:0}
.plate img{display:block;width:100%;border:1px solid var(--ink);box-shadow:0 0 0 5px var(--surface),0 0 0 6px var(--rule),var(--shadow);border-radius:2px}
.plate figcaption{margin-top:14px;font-size:16px;font-style:italic;color:var(--muted);text-align:center}

/* Product page sections */
.section{padding:clamp(48px,7vw,84px) 0}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section h2{margin:0 0 6px;font-size:clamp(32px,4vw,46px)}
.section p.sub{margin:0 0 30px;max-width:720px;font-size:20px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px 24px}
.section.alt .card{background:var(--bg)}
.card h3{margin:0 0 8px;font-size:24px}
.card p{margin:0;color:var(--muted)}
.card p+p{margin-top:10px}
.feature{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,48px);align-items:center;margin:0 0 clamp(48px,7vw,72px)}
.feature:last-child{margin-bottom:0}
.feature.flip{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.feature.flip .ftext{order:2}
.feature h3{margin:0 0 10px;font-size:clamp(26px,2.8vw,32px)}
.feature p{margin:0 0 10px;color:var(--muted)}
.feature ul{margin:10px 0 0;padding-left:22px;color:var(--muted)}
.feature li{margin:5px 0}
.shot{margin:0}
.shot img{display:block;width:100%;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow)}
.shot figcaption{margin-top:10px;font-size:16px;color:var(--muted)}
.engravings{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px;margin-top:8px}
.engravings .plate figcaption{font-size:15px}
.captains{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:22px}
.captain{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.section.alt .captain{background:var(--bg)}
.captain img{display:block;width:100%;aspect-ratio:2/3;object-fit:cover;border-bottom:1px solid var(--line)}
.captain figcaption{padding:12px 14px 16px}
.captain strong{display:block;font-family:var(--display);font-weight:400;font-size:21px;line-height:1.2}
.captain .plus,.captain .minus{display:block;margin-top:6px;font-size:16px;line-height:1.4}
.captain .plus{color:var(--ink)}
.captain .minus{color:var(--muted)}
.captain .plus::before{content:"+ ";color:var(--sea);font-weight:700}
.captain .minus::before{content:"\2212  ";color:var(--madder);font-weight:700}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px}
.gallery a{display:block;text-decoration:none;color:inherit}
.gallery img{display:block;width:100%;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow)}
.gallery figcaption{margin-top:8px;font-size:16px;color:var(--muted)}
.dl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px}
.dl .card h3{font-size:28px}
.facts{display:flex;flex-wrap:wrap;gap:6px 20px;margin:10px 0 0;font-size:17px;color:var(--muted)}
.facts b{color:var(--ink);font-weight:600}
.hash{margin:14px 0 0;font-size:15px;color:var(--muted)}
.hash code{display:block;margin-top:4px;word-break:break-all;white-space:normal}
.faq details{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px 18px;margin:0 0 10px;max-width:860px}
.faq summary{font-weight:600;cursor:pointer;min-height:28px}
.faq p{margin:10px 0 0;color:var(--muted)}

/* Manual layout */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding-top:40px;padding-bottom:72px}
aside.toc{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow:auto;font-size:16px}
aside.toc .toc-logo{display:flex;align-items:center;gap:10px;margin:0 0 14px;padding:0;border-left:0;font-family:var(--display);font-size:22px;text-decoration:none;color:var(--ink)}
aside.toc .toc-logo svg{width:26px;height:26px}
aside.toc p{margin:0 0 8px;font-size:13px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted)}
aside.toc ol{list-style:none;margin:0;padding:0}
aside.toc a{display:block;padding:3px 10px;border-left:2px solid var(--line);text-decoration:none;color:var(--muted)}
aside.toc a:hover{color:var(--ink);border-left-color:var(--madder)}
details.toc-mobile{display:none;margin:24px 0 0;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:10px 14px}
details.toc-mobile summary{font-weight:600;cursor:pointer;min-height:28px}
details.toc-mobile ol{margin:10px 0 4px;padding-left:24px}
details.toc-mobile li{margin:2px 0}
main{min-width:0}
main section{padding:8px 0 30px;border-bottom:1px solid var(--line);margin-bottom:30px}
main section:last-child{border-bottom:0}
main h2{margin:0 0 12px;font-size:clamp(30px,3vw,38px)}
main h3{margin:28px 0 8px;font-size:25px}
main p,main li{max-width:760px}
main ul,main ol{padding-left:24px}
main li{margin:4px 0}
kbd{display:inline-block;min-width:1.6em;padding:0 7px;border:1px solid var(--rule);border-bottom-width:2px;border-radius:5px;background:var(--surface);font-family:var(--text);font-size:16px;font-weight:600;line-height:1.5;text-align:center;white-space:nowrap}
code{padding:1px 6px;border-radius:4px;background:var(--code);font-size:0.86em}
.ui{font-weight:600}
.note{max-width:760px;margin:16px 0;padding:12px 18px;border-radius:6px;background:var(--madderSoft);border-left:4px solid var(--madder)}
.note.sea{background:var(--seaSoft);border-left-color:var(--sea)}
.note p{margin:0}
table{border-collapse:collapse;width:100%;max-width:820px;margin:12px 0;font-size:17px;background:var(--surface);border:1px solid var(--line)}
th,td{text-align:left;vertical-align:top;padding:8px 12px;border-bottom:1px solid var(--line)}
th{font-size:14px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--muted);background:var(--bg2)}
tr:last-child td{border-bottom:0}
td.n,th.n{text-align:right;white-space:nowrap}
.table-scroll{overflow-x:auto;max-width:100%}
main figure.shot{margin:18px 0 24px;max-width:860px}
dl.glossary{max-width:780px}
dl.glossary dt{margin-top:14px;font-weight:600}
dl.glossary dd{margin:2px 0 0 0;color:var(--muted)}

@media (max-width:900px){
  .hero .grid{grid-template-columns:minmax(0,1fr)}
  .feature,.feature.flip{grid-template-columns:minmax(0,1fr);gap:18px}
  .feature.flip .ftext{order:0}
  .dl{grid-template-columns:minmax(0,1fr)}
  .layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:8px}
  aside.toc{display:none}
  details.toc-mobile{display:block}
}
@media (max-width:699px){ /* the header wraps to two lines below 700 px: let it scroll away */
  header.site{position:static}
  [id]{scroll-margin-top:12px}
}
@media (max-width:520px){
  body{font-size:18px}
  nav.top{gap:0 16px;font-size:16px}
  .btn{width:100%}
  .gallery{grid-template-columns:minmax(0,1fr)}
  .captains{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .captain strong{font-size:18px}
}
@media print{
  header.site,aside.toc,details.toc-mobile,footer.site,.btns,.skip{display:none}
  .layout{display:block;padding:0}
  .hero{background:none;padding:0 0 16px}
  body{background:#fff;color:#000;font-size:11pt}
  main section{break-inside:auto;border:0}
  a{color:inherit;text-decoration:none}
  figure{break-inside:avoid}
}