/* ────────────────────────────────────────────────
   Akasena — company profile
   Palette: cool paper, deep navy ink, petrol accent.
   ──────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, ul, ol, li, dl, dd, figure, table { margin: 0; padding: 0; }
ul, ol { list-style: none; }

:root {
  --paper:      #F7F8FA;
  --paper-2:    #EDEFF3;
  --paper-3:    #E3E7ED;
  --rule:       #D6DAE2;
  --rule-soft:  #E4E7ED;
  --ink:        #10162A;
  --ink-soft:   #3E4761;
  --mid:        #737C92;
  --accent:     #1E5F74;
  --accent-dim: #E1ECF0;
  --pos:        #1D6B4F;
  --neg:        #9E3B2C;

  --display: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --measure: 64ch;
  --page: 82ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0C1018; --paper-2: #141A25; --paper-3: #1B2230;
    --rule: #262E3E; --rule-soft: #1E2532;
    --ink: #E8EBF1; --ink-soft: #AEB7C8; --mid: #7B8497;
    --accent: #5FA7BE; --accent-dim: #10242C;
    --pos: #5CA98A; --neg: #CF7A6B;
  }
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--page); margin: 0 auto; padding: 0 1.5rem; }

/* ── header / nav ───────────────────────────── */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--rule);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding-top: 0.9rem; padding-bottom: 0.9rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--display); font-size: 1.3rem; font-weight: 700;
  letter-spacing: -0.012em; color: var(--ink); text-decoration: none;
}
.brand svg { display: block; flex: none; }
nav.site ul { display: flex; gap: 1.5rem; }
nav.site a {
  font-size: 0.9rem; color: var(--ink-soft); text-decoration: none;
  padding: 0.25rem 0; border-bottom: 1px solid transparent;
}
nav.site a:hover, nav.site a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }
@media (max-width: 44rem) { nav.site { display: none; } }
.back { font-size: 0.9rem; color: var(--ink-soft); text-decoration: none; }
.back:hover { color: var(--accent); }

/* ── hero ───────────────────────────────────── */
.hero { padding: 6rem 0 4.5rem; border-bottom: 1px solid var(--rule); }
.eyebrow {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.7rem;
}
.eyebrow::after { content: ""; flex: 1; height: 1px; background: var(--rule); max-width: 5rem; }
h1 {
  font-family: var(--display);
  font-size: clamp(2.1rem, 5.4vw, 3.35rem);
  line-height: 1.08; letter-spacing: -0.022em; font-weight: 700;
  text-wrap: balance; max-width: 21ch;
}
.hero .lede {
  margin-top: 1.6rem; font-size: 1.2rem; color: var(--ink-soft);
  max-width: var(--measure); text-wrap: pretty;
}

/* ── sections ───────────────────────────────── */
section { padding: 4rem 0; border-bottom: 1px solid var(--rule); scroll-margin-top: 5rem; }
.kicker {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mid); margin-bottom: 0.9rem;
}
h2 {
  font-family: var(--display); font-size: 1.75rem; font-weight: 700;
  letter-spacing: -0.016em; line-height: 1.2; margin-bottom: 1.1rem;
  text-wrap: balance; max-width: 26ch;
}
h3 { font-family: var(--display); font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
p { max-width: var(--measure); text-wrap: pretty; }
p + p { margin-top: 1rem; }
strong { font-weight: 650; color: var(--ink); }
a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 1px; }

/* ── data table ─────────────────────────────── */
.scroller { overflow-x: auto; margin-top: 2rem; border: 1px solid var(--rule); background: var(--paper); }
table { border-collapse: collapse; width: 100%; min-width: 33rem; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.72rem 1rem; border-bottom: 1px solid var(--rule-soft); }
thead th {
  font-family: var(--mono); font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--mid); font-weight: 500; background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
}
tbody tr:last-child td { border-bottom: 0; }
tbody td:first-child { font-weight: 600; }
td.n { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
td.neg { color: var(--neg); }
td.pos { color: var(--pos); }
tr.us { background: var(--accent-dim); }
tr.us td:first-child { color: var(--accent); }
caption {
  caption-side: bottom; text-align: left; padding: 0.75rem 1rem;
  font-family: var(--mono); font-size: 0.66rem; line-height: 1.6;
  color: var(--mid); border-top: 1px solid var(--rule); background: var(--paper-2);
}

/* ── steps ──────────────────────────────────── */
ol.steps { margin-top: 2rem; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 48rem) { ol.steps { grid-template-columns: repeat(3, 1fr); } }
ol.steps li { background: var(--paper); padding: 1.5rem 1.4rem; display: flex; flex-direction: column; gap: 0.55rem; }
ol.steps .n {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
ol.steps p { font-size: 0.95rem; color: var(--ink-soft); max-width: none; }

/* ── research note ──────────────────────────── */
.note-card { margin-top: 2rem; border: 1px solid var(--rule); background: var(--paper); }
.note-head {
  padding: 1rem 1.4rem; border-bottom: 1px solid var(--rule); background: var(--paper-2);
  display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; align-items: baseline;
  font-family: var(--mono); font-size: 0.68rem; color: var(--mid);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.note-head b { color: var(--accent); font-weight: 600; }
.note-body { padding: 1.5rem 1.4rem; }
.note-body p { max-width: none; }
.figures { margin-top: 1.25rem; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 40rem) { .figures { grid-template-columns: repeat(3, 1fr); } }
.fig { background: var(--paper); padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.2rem; }
.fig dt {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--mid);
}
.fig dd {
  font-family: var(--mono); font-size: 1.32rem; font-variant-numeric: tabular-nums;
  color: var(--ink); letter-spacing: -0.01em;
}
.fig dd small {
  display: block; font-family: var(--body); font-size: 0.78rem;
  color: var(--mid); letter-spacing: 0; margin-top: 0.15rem;
}

/* ── principles ─────────────────────────────── */
ul.principles { margin-top: 2rem; border-top: 1px solid var(--rule); }
ul.principles li { display: grid; gap: 0.3rem 2rem; padding: 1.25rem 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 48rem) { ul.principles li { grid-template-columns: 16rem minmax(0, 1fr); } }
ul.principles b { font-family: var(--display); font-size: 1.05rem; font-weight: 700; letter-spacing: -0.008em; }
ul.principles span { color: var(--ink-soft); font-size: 0.98rem; }

/* ── facts ──────────────────────────────────── */
dl.facts { margin-top: 2rem; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 40rem) { dl.facts { grid-template-columns: 1fr 1fr; } }
dl.facts > div { background: var(--paper); padding: 1.15rem 1.3rem; }
dl.facts dt {
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--mid); margin-bottom: 0.35rem;
}
dl.facts dd { font-size: 1rem; }

.note { margin-top: 2rem; padding: 1.25rem 1.4rem; background: var(--accent-dim); border-left: 3px solid var(--accent); }
.note p { margin: 0; font-size: 0.98rem; max-width: none; }

/* ── legal pages ────────────────────────────── */
.doc-head { padding: 4rem 0 2rem; border-bottom: 1px solid var(--rule); }
.doc-head h1 { max-width: none; }
.doc-meta {
  margin-top: 1.25rem; font-family: var(--mono); font-size: 0.72rem;
  color: var(--mid); display: flex; flex-wrap: wrap; gap: 0.4rem 1.75rem;
}
.doc-meta b { color: var(--ink-soft); font-weight: 500; }

.summary { margin-top: 2rem; padding: 1.3rem 1.4rem; background: var(--accent-dim); border-left: 3px solid var(--accent); }
.summary .label {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 0.5rem;
}
.summary p { margin: 0; max-width: none; font-size: 0.99rem; }
.summary p + p { margin-top: 0.6rem; }

article.legal { padding: 2.5rem 0 1rem; }
article.legal section { padding: 1.75rem 0; border-bottom: 1px solid var(--rule-soft); scroll-margin-top: 5rem; }
article.legal section:last-of-type { border-bottom: 0; }
article.legal h2 {
  font-size: 1.3rem; margin-bottom: 0.75rem; max-width: none;
  display: flex; align-items: baseline; gap: 0.75rem;
}
article.legal h2 .num {
  font-family: var(--mono); font-size: 0.75rem; color: var(--accent);
  font-weight: 500; letter-spacing: 0; flex: none;
}
article.legal h3 { margin: 1.25rem 0 0.35rem; font-size: 1.02rem; }
article.legal p { line-height: 1.7; --measure: 68ch; }

ul.bullets { margin-top: 0.85rem; display: flex; flex-direction: column; gap: 0.55rem; max-width: 68ch; }
ul.bullets li { position: relative; padding-left: 1.3rem; line-height: 1.7; }
ul.bullets li::before {
  content: ""; position: absolute; left: 0; top: 0.72em;
  width: 5px; height: 5px; background: var(--accent);
}

.callout { margin-top: 1.25rem; padding: 1.1rem 1.25rem; background: var(--paper-2); border: 1px solid var(--rule); }
.callout p { margin: 0; max-width: none; font-size: 0.98rem; }

/* ── footer ─────────────────────────────────── */
footer.site { padding: 3rem 0 4rem; }
.foot-grid { display: grid; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--rule); }
@media (min-width: 46rem) { .foot-grid { grid-template-columns: 2fr 1fr 1fr; } }
.foot-grid p { font-size: 0.92rem; color: var(--mid); max-width: 34ch; margin-top: 0.6rem; }
.foot-col h4 {
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--mid); margin-bottom: 0.7rem; font-weight: 500;
}
.foot-col ul { display: flex; flex-direction: column; gap: 0.4rem; }
.foot-col a { font-size: 0.92rem; color: var(--ink-soft); text-decoration: none; }
.foot-col a:hover { color: var(--accent); }
.foot-base {
  padding-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem 2rem;
  justify-content: space-between; font-size: 0.85rem; color: var(--mid);
}

footer.site.simple {
  padding: 2.5rem 0 4rem; margin-top: 2rem; border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between;
  font-size: 0.88rem; color: var(--mid);
}
footer.site.simple a { color: var(--mid); text-decoration: none; }
footer.site.simple a:hover { color: var(--accent); }
footer.site.simple nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }