:root{
  color-scheme:dark;
  --bg:#07100d;
  --bg-deep:#040806;
  --surface:#0e1814;
  --surface-2:#14211b;
  --surface-3:#1a2922;
  --line:#2a3a31;
  --line-strong:#405347;
  --text:#f2f0e8;
  --text-soft:#d7dbd3;
  --muted:#9baaa1;
  --moss:#91c49c;
  --moss-strong:#b7dbbe;
  --gold:#ddb96d;
  --gold-soft:#f2d99b;
  --rust:#d87855;
  --danger:#e49b82;
  --shadow:0 24px 70px rgba(0,0,0,.34);
  --radius:16px;
  --radius-sm:10px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:118px}
body{
  margin:0;
  background:
    radial-gradient(circle at 15% 0%,rgba(80,120,82,.12),transparent 34rem),
    radial-gradient(circle at 90% 24%,rgba(202,146,63,.06),transparent 28rem),
    var(--bg);
  color:var(--text-soft);
  font:16px/1.72 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(221,185,109,.28);color:#fff}
a{color:var(--moss-strong);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#d4efda}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
.wrap{width:min(100% - 40px,1180px);margin-inline:auto}
.skip-link{position:fixed;top:10px;left:10px;z-index:9999;padding:9px 14px;background:var(--gold);color:var(--bg-deep);border-radius:7px;transform:translateY(-160%);font-weight:800}
.skip-link:focus{transform:translateY(0)}

header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(5,10,8,.9);
  border-bottom:1px solid rgba(125,153,134,.18);
  backdrop-filter:blur(16px) saturate(120%);
}
header .wrap{display:flex;align-items:center;gap:22px;min-height:74px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex:0 0 auto}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-size:.92rem;
  font-weight:850;
  letter-spacing:.08em;
  text-decoration:none;
  text-transform:uppercase;
  white-space:nowrap;
}
.logo::before{
  content:"B";
  display:grid;
  width:35px;
  height:35px;
  place-items:center;
  color:var(--bg-deep);
  background:linear-gradient(145deg,var(--gold-soft),var(--gold));
  border-radius:50% 50% 46% 54% / 54% 44% 56% 46%;
  box-shadow:0 0 0 4px rgba(221,185,109,.08);
  font-family:Georgia,serif;
  font-size:1.15rem;
  font-weight:900;
}
.logo span{color:var(--muted);font-weight:650}
nav.main{display:flex;align-items:center;gap:4px;min-width:0;margin-left:auto;padding:0}
nav.main a{
  position:relative;
  padding:10px 9px;
  color:var(--muted);
  border-radius:8px;
  font-size:.79rem;
  font-weight:720;
  line-height:1;
  text-decoration:none;
  white-space:nowrap;
}
nav.main a:hover{color:var(--text);background:rgba(255,255,255,.045)}
nav.main a.on{color:var(--gold-soft)}
nav.main a.on::after{content:"";position:absolute;right:9px;bottom:3px;left:9px;height:1px;background:var(--gold)}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-button{
  display:inline-flex;
  min-width:39px;
  min-height:39px;
  align-items:center;
  justify-content:center;
  gap:7px;
  padding:0 11px;
  color:var(--text-soft);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:9px;
  cursor:pointer;
}
.icon-button:hover{background:var(--surface-2);border-color:var(--line-strong)}
.icon-button .key{color:var(--muted);font-size:.68rem}
.menu-button{display:none}

.reading-progress{position:fixed;top:0;left:0;z-index:1000;width:100%;height:2px;pointer-events:none}
.reading-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--moss),var(--gold));box-shadow:0 0 12px var(--gold)}

.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  min-height:290px;
  display:flex;
  align-items:end;
  padding:64px 0 42px;
  border-bottom:1px solid rgba(148,170,154,.16);
  background:#0b120f;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  background-image:url('/assets/bor-field.jpg');
  background-position:center 44%;
  background-size:cover;
  filter:saturate(.7);
  transform:scale(1.015);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(90deg,rgba(4,8,6,.96) 0%,rgba(4,8,6,.86) 45%,rgba(4,8,6,.3) 100%),
    linear-gradient(0deg,var(--bg) 0%,transparent 48%);
}
.hero .wrap{position:relative}
.home-hero{min-height:610px;align-items:center;padding:90px 0 76px}
.home-hero::before{background-image:url('/assets/bor-hero.jpg');background-position:center center;filter:saturate(.88) contrast(1.02)}
.home-hero::after{background:linear-gradient(90deg,rgba(3,7,5,.97) 0%,rgba(3,7,5,.83) 46%,rgba(3,7,5,.18) 78%),linear-gradient(0deg,var(--bg) 0%,transparent 38%)}
.hero-copy{max-width:715px}
.eyebrow,.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0 0 14px;
  color:var(--gold-soft);
  font-size:.72rem;
  font-weight:850;
  letter-spacing:.15em;
  text-transform:uppercase;
}
.eyebrow::before,.tag::before{content:"";width:28px;height:1px;background:var(--gold)}
h1,h2,h3,h4{color:var(--text);text-wrap:balance}
h1{
  max-width:900px;
  margin:0 0 16px;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(2.4rem,6vw,4.75rem);
  font-weight:500;
  letter-spacing:-.045em;
  line-height:1.02;
}
.hero:not(.home-hero) h1{max-width:820px;font-size:clamp(2.15rem,5vw,3.6rem)}
.sub{max-width:760px;margin:0;color:#c7d0ca;font-size:clamp(1rem,1.5vw,1.17rem);line-height:1.7}
.updated{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:18px;
  padding:6px 10px;
  color:#dce4dd;
  background:rgba(7,15,11,.62);
  border:1px solid rgba(200,215,203,.22);
  border-radius:999px;
  font-size:.75rem;
  font-weight:650;
  backdrop-filter:blur(8px);
}
.updated::before{content:"";width:7px;height:7px;background:var(--moss);border-radius:50%;box-shadow:0 0 0 4px rgba(145,196,156,.12)}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:28px}
.button{
  display:inline-flex;
  min-height:46px;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 18px;
  color:var(--bg-deep);
  background:linear-gradient(145deg,var(--gold-soft),var(--gold));
  border:1px solid transparent;
  border-radius:9px;
  box-shadow:0 8px 25px rgba(221,185,109,.15);
  font-size:.86rem;
  font-weight:850;
  text-decoration:none;
}
.button:hover{color:var(--bg-deep);transform:translateY(-1px);text-decoration:none}
.button.secondary{color:var(--text);background:rgba(8,15,11,.62);border-color:rgba(231,232,222,.24);box-shadow:none;backdrop-filter:blur(8px)}
.button.secondary:hover{color:#fff;border-color:rgba(231,232,222,.42)}
.trust-line{display:flex;flex-wrap:wrap;gap:10px 22px;margin:28px 0 0;padding:18px 0 0;border-top:1px solid rgba(255,255,255,.15);color:#c8d1cb;font-size:.78rem;font-weight:700}
.trust-line span{display:inline-flex;align-items:center;gap:7px}
.trust-line span::before{content:"";width:6px;height:6px;background:var(--moss);border-radius:50%}
.crumb{margin:0 0 14px;color:#aab6ae;font-size:.77rem;font-weight:700}
.crumb a{color:#c8d2cb;text-decoration:none}
.editorial-note{display:flex;flex-wrap:wrap;gap:7px 17px;margin-top:12px;color:#aebbb2;font-size:.72rem;font-weight:650}
.editorial-note span{display:inline-flex;align-items:center;gap:6px}
.editorial-note span::before{content:"";width:4px;height:4px;background:var(--gold);border-radius:50%}

.launch-strip{position:relative;z-index:4;margin-top:-34px}
.launch-strip-inner{
  display:grid;
  grid-template-columns:1.25fr repeat(3,minmax(0,.75fr));
  overflow:hidden;
  background:rgba(14,24,20,.95);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
}
.launch-primary,.launch-stat{padding:20px 22px}
.launch-primary{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,rgba(221,185,109,.12),rgba(145,196,156,.04))}
.launch-icon{display:grid;flex:0 0 40px;width:40px;height:40px;place-items:center;color:var(--bg-deep);background:var(--gold);border-radius:50%;font-weight:900}
.launch-primary strong,.launch-stat strong{display:block;color:var(--text);font-size:.92rem}
.launch-primary span,.launch-stat span{display:block;color:var(--muted);font-size:.73rem}
.launch-stat{border-left:1px solid var(--line)}

main{padding:58px 0 84px}
main>.wrap{position:relative}
.home-main section+section{margin-top:72px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.section-heading>div{max-width:710px}
.section-heading .kicker{margin:0 0 6px;color:var(--gold);font-size:.7rem;font-weight:850;letter-spacing:.14em;text-transform:uppercase}
.section-heading h2{margin:0;padding:0;border:0;font-size:clamp(1.8rem,3vw,2.65rem)}
.section-heading p{margin:9px 0 0;color:var(--muted)}
.section-link{flex:0 0 auto;font-size:.81rem;font-weight:800;text-decoration:none}
h2{margin:42px 0 15px;padding-top:8px;border-top:1px solid var(--line);font-size:clamp(1.42rem,2.2vw,1.82rem);font-weight:720;letter-spacing:-.02em;line-height:1.28}
main h2:first-child{margin-top:0;padding-top:0;border-top:0}
h3{margin:28px 0 9px;color:var(--gold-soft);font-size:1.12rem;line-height:1.35}
p{margin:0 0 16px}
ul,ol{margin:0 0 18px;padding-left:23px}
li{margin-bottom:8px}
strong{color:#f6f4ec}
em{color:#dce3dd}

.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.resource-card{
  position:relative;
  min-height:202px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:22px;
  color:var(--text);
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  text-decoration:none;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.resource-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 92% 5%,rgba(145,196,156,.13),transparent 45%);pointer-events:none}
.resource-card:hover{color:var(--text);background:var(--surface-3);border-color:var(--line-strong);transform:translateY(-3px);text-decoration:none}
.resource-card.featured{grid-column:span 2;background:linear-gradient(90deg,rgba(9,16,12,.93),rgba(9,16,12,.46)),url('/assets/bor-world.jpg') center/cover;border-color:rgba(221,185,109,.35)}
.resource-label{position:absolute;top:18px;left:20px;color:var(--gold-soft);font-size:.66rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.resource-card h3{position:relative;margin:0 0 7px;color:var(--text);font-size:1.28rem}
.resource-card p{position:relative;max-width:500px;margin:0;color:#aebbb2;font-size:.83rem;line-height:1.55}
.resource-card.featured p{color:#d3dad5}
.resource-arrow{position:absolute;top:18px;right:20px;color:var(--moss);font-size:1.1rem}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:13px;margin:20px 0}
.gcard{position:relative;padding:19px;background:linear-gradient(145deg,rgba(24,39,32,.94),rgba(14,24,20,.98));border:1px solid var(--line);border-radius:var(--radius-sm);transition:transform .18s,border-color .18s}
.gcard:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.gcard a.t{display:block;margin:0 0 7px;color:var(--text);font-size:.98rem;font-weight:800;text-decoration:none}
.gcard a.t::after{content:" \2192";color:var(--moss)}
.gcard p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.58}

.fact-panel{display:grid;grid-template-columns:.9fr 1.1fr;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.fact-image{min-height:430px;background:linear-gradient(0deg,rgba(4,8,6,.18),rgba(4,8,6,.04)),url('/assets/bor-field.jpg') center/cover}
.fact-content{padding:34px}
.fact-content h2{margin:0 0 13px;padding:0;border:0;font-size:2rem}
.fact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin-top:24px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.fact{padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.fact span{display:block;color:var(--muted);font-size:.67rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.fact strong{display:block;margin-top:3px;font-size:.88rem}

.standards-band{display:grid;grid-template-columns:1.2fr repeat(3,.8fr);gap:1px;overflow:hidden;background:var(--line);border:1px solid var(--line);border-radius:var(--radius)}
.standard-intro,.standard-item{padding:25px;background:var(--surface)}
.standard-intro h2{margin:0 0 7px;padding:0;border:0;font-size:1.5rem}
.standard-intro p,.standard-item p{margin:0;color:var(--muted);font-size:.82rem}
.standard-item strong{display:block;margin-bottom:6px;color:var(--gold-soft)}

.article-layout{display:grid;grid-template-columns:minmax(0,770px) 240px;justify-content:space-between;gap:68px;align-items:start}
.article-body{min-width:0;grid-column:1;grid-row:1}
.toc{grid-column:2;grid-row:1;position:sticky;top:104px;padding:17px 0 17px 18px;border-left:1px solid var(--line)}
.toc strong{display:block;margin-bottom:9px;color:var(--text);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase}
.toc a{display:block;padding:6px 0;color:var(--muted);font-size:.75rem;line-height:1.35;text-decoration:none}
.toc a:hover,.toc a.active{color:var(--gold-soft)}
.toc .toc-meta{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:#718078;font-size:.66rem}

.card{margin:20px 0;padding:20px 22px;background:linear-gradient(145deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--radius-sm)}
.card p:last-child{margin-bottom:0}
.card.tip{border-left:3px solid var(--moss)}
.card.warn{border-left:3px solid var(--gold)}
.card.warn strong{color:var(--gold-soft)}
.countdown{display:inline-block;margin-top:5px;color:var(--gold-soft);font-size:clamp(1.45rem,4vw,2.2rem);font-weight:850;font-variant-numeric:tabular-nums;letter-spacing:.03em}
.status-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;font-size:.69rem;font-weight:800}
.status-chip.confirmed{color:#c9e9d0;background:rgba(107,169,120,.14);border:1px solid rgba(107,169,120,.28)}
.status-chip.expected{color:#f0d59d;background:rgba(221,185,109,.11);border:1px solid rgba(221,185,109,.25)}

.table-scroll{max-width:100%;overflow-x:auto;margin:18px 0 24px;border:1px solid var(--line);border-radius:var(--radius-sm);scrollbar-width:thin}
table{width:100%;min-width:620px;margin:0;border-collapse:collapse;background:rgba(11,20,16,.66);font-size:.87rem}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
th:last-child,td:last-child{border-right:0}
tr:last-child td{border-bottom:0}
th{color:var(--gold-soft);background:#15221c;font-size:.73rem;font-weight:820;letter-spacing:.03em}
tr:nth-child(even) td{background:rgba(255,255,255,.018)}

.search-shell{position:fixed;inset:0;z-index:1000;display:none;align-items:flex-start;justify-content:center;padding:11vh 20px 20px;background:rgba(1,4,2,.78);backdrop-filter:blur(9px)}
.search-shell.open{display:flex}
.search-panel{width:min(100%,680px);overflow:hidden;background:#0d1712;border:1px solid var(--line-strong);border-radius:16px;box-shadow:0 30px 100px rgba(0,0,0,.6)}
.search-head{display:flex;align-items:center;gap:10px;padding:13px;border-bottom:1px solid var(--line)}
.search-head input{width:100%;padding:10px 5px;color:var(--text);background:transparent;border:0;outline:0;font-size:1rem}
.search-close{flex:0 0 auto;width:38px;height:38px;color:var(--muted);background:transparent;border:0;border-radius:8px;cursor:pointer}
.search-close:hover{color:var(--text);background:var(--surface-2)}
.search-results{max-height:54vh;overflow:auto;padding:8px}
.search-result{display:block;padding:12px 14px;color:var(--text);border-radius:9px;text-decoration:none}
.search-result:hover{color:var(--text);background:var(--surface-2);text-decoration:none}
.search-result strong{display:block;font-size:.9rem}
.search-result span{display:block;margin-top:2px;color:var(--muted);font-size:.74rem}
.search-empty{padding:28px;color:var(--muted);text-align:center;font-size:.85rem}
.search-foot{padding:10px 14px;color:#718078;border-top:1px solid var(--line);font-size:.68rem}
body.search-open{overflow:hidden}

.back-to-top{position:fixed;right:20px;bottom:20px;z-index:60;width:42px;height:42px;color:var(--text);background:rgba(18,31,25,.92);border:1px solid var(--line);border-radius:50%;box-shadow:0 10px 30px rgba(0,0,0,.28);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:.18s}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}

footer{position:relative;padding:48px 0 42px;color:var(--muted);background:#050a07;border-top:1px solid var(--line);font-size:.81rem}
footer::before{content:"";position:absolute;top:0;left:0;width:33%;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
footer .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px;margin-bottom:28px}
footer .cols::before{content:"Independent field guide for Emma and Koo's journey.";max-width:270px;color:var(--text-soft);font-family:Georgia,serif;font-size:1.12rem;line-height:1.45}
footer h4{margin:0 0 10px;color:var(--text);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}
footer ul{margin:0;padding:0;list-style:none}
footer li{margin:5px 0}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--text)}
footer>div>p:not(.disclaimer){padding-top:18px;border-top:1px solid var(--line)}
.disclaimer{max-width:940px;margin:10px 0 0;color:#64736a;font-size:.69rem;line-height:1.6}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media(max-width:1050px){
  header .wrap{gap:12px}
  nav.main a{padding-inline:6px;font-size:.73rem}
  .article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:40px}
  .resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .standards-band{grid-template-columns:repeat(3,1fr)}
  .standard-intro{grid-column:1/-1}
}

@media(max-width:820px){
  .wrap{width:min(100% - 28px,1180px)}
  header .wrap{min-height:66px;justify-content:space-between}
  .topbar{width:100%}
  .header-actions{margin-left:auto}
  .menu-button{display:inline-flex}
  nav.main{position:absolute;top:66px;right:0;left:0;display:none;align-items:stretch;flex-direction:column;gap:2px;padding:10px 14px 16px;background:rgba(5,10,8,.98);border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.35)}
  nav.main.open{display:flex}
  nav.main a{padding:11px 12px;font-size:.83rem}
  nav.main a.on::after{top:8px;right:auto;bottom:8px;left:2px;width:2px;height:auto}
  .home-hero{min-height:590px;padding-top:72px}
  .home-hero::after{background:linear-gradient(90deg,rgba(3,7,5,.96) 0%,rgba(3,7,5,.74) 100%),linear-gradient(0deg,var(--bg),transparent 42%)}
  .launch-strip{margin-top:-22px}
  .launch-strip-inner{grid-template-columns:1fr 1fr}
  .launch-primary{grid-column:1/-1}
  .launch-stat{border-top:1px solid var(--line)}
  .launch-stat:nth-child(3){border-left:0}
  .article-layout{display:block}
  .toc{position:relative;top:auto;margin:0 0 26px;padding:15px 17px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm)}
  .article-body{display:block;grid-column:auto;grid-row:auto}
  .toc{grid-column:auto;grid-row:auto}
  .fact-panel{grid-template-columns:1fr}
  .fact-image{min-height:320px}
  footer .cols{grid-template-columns:repeat(3,1fr)}
  footer .cols::before{grid-column:1/-1}
}

@media(max-width:600px){
  body{font-size:15.5px}
  .logo{font-size:.82rem}
  .logo::before{width:32px;height:32px}
  .icon-button .key{display:none}
  .hero{min-height:260px;padding:48px 0 34px}
  .home-hero{min-height:600px;padding:62px 0 74px}
  h1{font-size:clamp(2.35rem,12vw,3.35rem)}
  .hero:not(.home-hero) h1{font-size:2.25rem}
  .hero-actions{align-items:stretch;flex-direction:column}
  .button{width:100%}
  .trust-line{gap:8px 14px}
  .launch-strip-inner{grid-template-columns:1fr}
  .launch-primary,.launch-stat{grid-column:auto;border-top:1px solid var(--line);border-left:0}
  .launch-primary{border-top:0}
  main{padding:44px 0 64px}
  .home-main section+section{margin-top:56px}
  .section-heading{align-items:flex-start;flex-direction:column;gap:10px}
  .resource-grid{grid-template-columns:1fr}
  .resource-card.featured{grid-column:auto;min-height:260px}
  .resource-card{min-height:174px}
  .fact-content{padding:24px 20px}
  .fact-list{grid-template-columns:1fr}
  .standards-band{grid-template-columns:1fr}
  .standard-intro{grid-column:auto}
  .table-scroll{margin-right:-14px;border-right:0;border-radius:10px 0 0 10px}
  table{min-width:580px}
  footer .cols{grid-template-columns:1fr 1fr;gap:25px}
  footer .cols::before{grid-column:1/-1}
  .back-to-top{right:14px;bottom:14px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}