/* KHACN pages. All colors are tokens: dark by default, light on request or by system preference. */
:root {
  --bg: #0c0d10; --bg-2: #121318; --panel: #17181e; --line: #2a2b33; --text: #eeeae0; --muted: #a29e93;
  --gold: #c9a84c; --gold-soft: #c9a84c22; --on-gold: #17130a; --ok: #3ecf8e; --warn: #e0ae45; --bad: #f2647a;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f8f6f0; --bg-2: #f0ece2; --panel: #ffffff; --line: #ddd7c8; --text: #1b1a16; --muted: #625e53;
    --gold: #8c6d1c; --gold-soft: #8c6d1c1c; --on-gold: #ffffff; --ok: #0f8a5b; --warn: #94690f; --bad: #c5304a;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f8f6f0; --bg-2: #f0ece2; --panel: #ffffff; --line: #ddd7c8; --text: #1b1a16; --muted: #625e53;
  --gold: #8c6d1c; --gold-soft: #8c6d1c1c; --on-gold: #ffffff; --ok: #0f8a5b; --warn: #94690f; --bad: #c5304a;
  color-scheme: light;
}

/* One language at a time: the text exists twice, the inactive one is hidden. */
html[lang="fr"] [lang="en"], html[lang="en"] [lang="fr"] { display: none !important; }

[hidden] { display: none !important; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--sans); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--gold); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: clamp(28px, 4vw, 38px); }
h3 { font-size: 19px; }
p { margin: 0 0 12px; }
code, .mono { font-family: var(--mono); font-size: 0.88em; overflow-wrap: anywhere; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 18px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 600 18px var(--serif); }
.brand img { width: 34px; height: 34px; }
.nav { display: flex; gap: 18px; margin-left: auto; font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }
.switch { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; flex: none; }
.switch button { background: none; border: 0; color: var(--muted); font: 600 13px var(--sans); padding: 7px 10px; cursor: pointer; }
html[lang="fr"] .switch [data-set-lang="fr"], html[lang="en"] .switch [data-set-lang="en"] { background: var(--gold); color: var(--on-gold); }
@media (max-width: 860px) { .nav { display: none; } .switch { margin-left: auto; } }

/* hero */
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6.4vw, 66px); margin: 10px 0 16px; }
.lead { font-size: 19px; color: var(--muted); max-width: 58ch; }
.eyebrow { color: var(--gold); font-size: 13px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.coin { width: 100%; max-width: 300px; justify-self: center; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; min-height: 46px; padding: 10px 18px; border-radius: 10px; font: 600 15px var(--sans);
       text-decoration: none; cursor: pointer; border: 1px solid var(--line); background: transparent; color: var(--text); }
.btn.main { background: var(--gold); border-color: var(--gold); color: var(--on-gold); }
.btn:hover { border-color: var(--gold); }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--warn); }
.status.live::before { background: var(--ok); }
@media (max-width: 760px) {
  .hero { padding: 36px 0; }
  .hero .wrap { grid-template-columns: 1fr; gap: 24px; }
  .coin { max-width: 170px; order: -1; justify-self: start; }
}

/* sections */
section.block { padding: 56px 0; border-bottom: 1px solid var(--line); }
.head { margin-bottom: 24px; max-width: 68ch; }
.head p { color: var(--muted); margin: 10px 0 0; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; min-width: 0; }
.card h3 { margin-bottom: 6px; }
.card p:last-child { margin-bottom: 0; }
.label { color: var(--muted); font-size: 14px; }
.value { font: 600 27px/1.2 var(--sans); font-variant-numeric: tabular-nums; margin-top: 4px; overflow-wrap: anywhere; }
.sub { color: var(--muted); font-size: 14px; margin-top: 2px; }
.steps { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.steps li::before { content: counter(s); display: block; font: 600 26px var(--serif); color: var(--gold); margin-bottom: 4px; }
.countdown { font: 600 22px var(--sans); font-variant-numeric: tabular-nums; margin-top: 14px; }
.chart { width: 100%; height: 480px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }

/* tables */
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 12px 8px 0; }
td { padding: 11px 12px 11px 0; border-top: 1px solid var(--line); vertical-align: top; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; padding-right: 0; }
.addr td:first-child { color: var(--muted); width: 36%; }
.copy { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 6px; font: 12px var(--sans); padding: 3px 8px; margin-left: 6px; cursor: pointer; }

/* allocation */
.bar { display: flex; height: 18px; border-radius: 6px; overflow: hidden; margin: 8px 0 20px; gap: 2px; }
.bar i { display: block; min-width: 3px; }
.swatch { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 8px; }
.a1 { background: #c9a84c; } .a2 { background: #6d8fd6; } .a3 { background: #3fae8c; }
.a4 { background: #c9744c; } .a5 { background: #9a7fd1; } .a6 { background: #d1c7a8; } .a7 { background: #6b6b75; }

/* notes */
.note { border: 1px solid var(--line); border-left: 3px solid var(--warn); background: var(--panel); border-radius: 8px; padding: 14px 16px; font-size: 15px; }
.note.bad { border-left-color: var(--bad); }
.banner { border: 1px solid var(--warn); color: var(--warn); border-radius: 8px; padding: 10px 14px; margin: 18px 0; font-size: 15px; }
details { border-top: 1px solid var(--line); padding: 14px 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: var(--muted); }

/* roadmap */
.road { list-style: none; margin: 0; padding: 0; }
.road li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.road b { color: var(--gold); font-weight: 600; }

/* reserve */
.verdict { display: flex; gap: 12px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 18px 0; }
.dot { flex: 0 0 14px; height: 14px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); }
.verdict strong { display: block; font-size: 17px; }
.verdict span.small { color: var(--muted); font-size: 14px; }

/* documents */
.doc { max-width: 760px; margin: 0 auto; padding: 40px 16px 64px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); margin: 8px 0 10px; }
.doc h2 { font-size: 25px; margin: 36px 0 10px; }
.doc li { margin-bottom: 6px; }
.doc table { margin: 12px 0; }
.page { max-width: 880px; margin: 0 auto; padding: 40px 16px 56px; }
.page h1 { font-size: clamp(32px, 5vw, 44px); margin-bottom: 10px; }
.page h2 { font-size: 22px; margin: 32px 0 10px; }

footer.end { padding: 36px 0 44px; color: var(--muted); font-size: 14px; background: var(--bg-2); }
.foot { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-bottom: 14px; }

@media print {
  .top, .noprint, footer.end { display: none !important; }
  :root { --bg: #fff; --panel: #fff; --text: #111; --muted: #444; --line: #ccc; --gold: #6e5412; color-scheme: light; }
  body { font-size: 11.5pt; }
  .doc { max-width: none; padding: 0; }
  .doc h2 { break-after: avoid; }
  tr, .note { break-inside: avoid; }
}

/* 07/11: language menu on the translated pages (i18n/<lang>/) */
.langs { position: relative; }
.langs summary { cursor: pointer; list-style: none; font-size: 1.2rem; padding: .2rem .5rem; }
.langs > div { position: absolute; right: 0; z-index: 20; display: grid; gap: .3rem; padding: .6rem .8rem;
  background: var(--panel, #14141a); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; min-width: 11rem; }
.langs a { white-space: nowrap; }
.langs a[aria-current] { color: var(--gold); }