/* Exakind — public site.
   System fonts only, no third-party requests. That is not a shortcut: the
   privacy policy states this site loads nothing from anywhere else, and a
   webfont host would make that false. */

:root {
  --paper:      #fbfbf9;
  --raise:      #f3f3ef;
  --ink:        #16181c;
  --muted:      #5b6169;
  --rule:       #e2e2dc;
  --accent:     #1f5348;
  --accent-ink: #14382f;
  --flag:       #7a4a1c;

  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas,
          monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #14161a;
    --raise:      #1c1f24;
    --ink:        #e9e9e4;
    --muted:      #9aa1aa;
    --rule:       #2b2f36;
    --accent:     #6fc0ae;
    --accent-ink: #a5d8cc;
    --flag:       #d3a06a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 43rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5rem) 1.5rem 5rem;
}

/* ── masthead ─────────────────────────────────────────────── */

.mast {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.9rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--rule);
}

.mark {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.021em;
  color: var(--ink);
  text-decoration: none;
}

.mark:hover { color: var(--accent-ink); }

.mast .tag {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.mast nav { margin-left: auto; display: flex; gap: 1.1rem; }

.mast nav a {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
}

.mast nav a:hover { color: var(--accent-ink); text-decoration: underline; }

/* ── type ─────────────────────────────────────────────────── */

h1 {
  font-size: clamp(1.75rem, 4.6vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.026em;
  text-wrap: balance;
  margin: 2.6rem 0 0.5rem;
}

h2 {
  font-size: 1.05rem;
  letter-spacing: -0.008em;
  margin: 2.6rem 0 0.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}

h2 .num {
  display: inline-block;
  min-width: 1.8rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

h3 { font-size: 0.95rem; margin: 1.6rem 0 0.4rem; }

p { margin: 0 0 1rem; }

.lede {
  font-size: 1.13rem;
  line-height: 1.55;
  color: var(--muted);
  margin-bottom: 1.8rem;
}

.dateline {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  margin: 0.2rem 0 0;
}

a { color: var(--accent-ink); }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--raise);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.08em 0.34em;
}

strong { font-weight: 650; }

ul { margin: 0 0 1rem; padding-left: 1.15rem; }
li { margin-bottom: 0.4rem; }

/* ── boxes ────────────────────────────────────────────────── */

.summary {
  background: var(--raise);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.3rem 1.4rem 0.4rem;
  margin: 2rem 0;
}

.summary .label {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.7rem;
}

.summary ul { padding-left: 1.1rem; }

.note {
  border-left: 2px solid var(--flag);
  padding: 0.1rem 0 0.1rem 1rem;
  margin: 1.3rem 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.note strong { color: var(--ink); }

/* ── landing ──────────────────────────────────────────────── */

.product {
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.5rem 1.6rem;
  margin: 2.4rem 0 1rem;
  background: var(--raise);
}

.product h2 {
  border: 0;
  padding: 0;
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}

.product .state {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 0.9rem;
}

.product p:last-child { margin-bottom: 0; }

.does { list-style: none; padding: 0; margin: 1.1rem 0 0; }

.does li {
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.96rem;
}

.does li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ── footer ───────────────────────────────────────────────── */

footer {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}

footer a { color: var(--muted); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}