/* Softregen — one stylesheet, no build step, no external requests. */

:root {
  --ink:        #16191d;
  --ink-soft:   #4a5058;
  --ink-faint:  #767d86;
  --rule:       #e3e6ea;
  --bg:         #ffffff;
  --bg-soft:    #f7f8fa;
  --accent:     #1a56b8;
  --accent-ink: #0f3d88;
  --max:        62rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:        #e8eaed;
    --ink-soft:   #b3b9c2;
    --ink-faint:  #868d97;
    --rule:       #2b3037;
    --bg:         #14171a;
    --bg-soft:    #1b1f23;
    --accent:     #6ba3f5;
    --accent-ink: #9dc3ff;
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "kern" 1;
}

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

/* ---- header ---- */

header.site {
  border-bottom: 1px solid var(--rule);
  padding: 1.15rem 0;
  font-size: 0.95rem;
}
header.site .wrap { display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap; }
header.site a { text-decoration: none; color: var(--ink-soft); }
header.site a:hover { color: var(--accent); }
header.site .brand { font-weight: 650; color: var(--ink); letter-spacing: -0.01em; margin-right: auto; }
header.site nav { display: flex; gap: 1.35rem; flex-wrap: wrap; }
header.site nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---- type ---- */

h1 {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.022em;
  font-weight: 680;
  margin: 0 0 1rem;
  max-width: 24ch;
}
h2 {
  font-size: 1.32rem;
  line-height: 1.3;
  letter-spacing: -0.012em;
  font-weight: 650;
  margin: 2.75rem 0 0.85rem;
}
h3 { font-size: 1.02rem; font-weight: 650; margin: 1.75rem 0 0.4rem; }

p { margin: 0 0 1.05rem; max-width: 66ch; }
.lede { font-size: 1.16rem; color: var(--ink-soft); max-width: 60ch; }

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: var(--accent-ink); }

strong { font-weight: 640; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88em; }

/* ---- layout pieces ---- */

main { padding: 3.25rem 0 4.5rem; }

.hero { padding-bottom: 0.75rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: 1.5rem 2.25rem;
  margin: 1.5rem 0 0;
}
.grid h3 { margin-top: 0; }
.grid p { font-size: 0.965rem; color: var(--ink-soft); margin-bottom: 0; }

.panel {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.4rem 1.5rem;
  margin: 1.75rem 0;
}
.panel > :last-child { margin-bottom: 0; }
.panel h3 { margin-top: 0; }

ul.plain { list-style: none; padding: 0; margin: 1rem 0; max-width: 66ch; }
ul.plain li { padding: 0.55rem 0; border-top: 1px solid var(--rule); }
ul.plain li:first-child { border-top: none; }

dl.facts { margin: 1.5rem 0; display: grid; grid-template-columns: auto 1fr; gap: 0.55rem 1.5rem; max-width: 46rem; }
dl.facts dt { color: var(--ink-faint); font-size: 0.9rem; white-space: nowrap; }
dl.facts dd { margin: 0; font-size: 0.95rem; }

.cta { display: inline-block; margin-top: 0.5rem; font-weight: 600; }

.note { font-size: 0.9rem; color: var(--ink-faint); max-width: 60ch; }

/* ---- footer ---- */

footer.site {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 3rem;
  font-size: 0.9rem;
  color: var(--ink-faint);
}
footer.site .wrap { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: baseline; }
footer.site a { color: var(--ink-soft); }
footer.site .spacer { margin-left: auto; }

@media (max-width: 34rem) {
  body { font-size: 16px; }
  main { padding: 2.25rem 0 3rem; }
  dl.facts { grid-template-columns: 1fr; gap: 0.15rem; }
  dl.facts dd { margin-bottom: 0.7rem; }
}

/* ---- tables ---- */

.scroll { overflow-x: auto; margin: 1.25rem 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--ink-faint); font-weight: 640;
}
tr:last-child td { border-bottom: none; }