:root {
  --bg: #F6F2EA;
  --surface: #FFFDF8;
  --ink: #1A1A1A;
  --ink-2: #6B665C;
  --ink-3: #A39D90;
  --hairline: #E3DDD1;
  --accent: #1F4D3A;
  --on-accent: #F6F2EA;
  --accent-soft: rgba(31, 77, 58, 0.08);
  --danger: #A6402F;
  --serif: "Newsreader", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E0F11;
    --surface: #17191C;
    --ink: #F4F4F1;
    --ink-2: #9AA0A6;
    --ink-3: #5F656C;
    --hairline: #2A2D31;
    --accent: #C6FF3D;
    --on-accent: #0E0F11;
    --accent-soft: rgba(198, 255, 61, 0.10);
    --danger: #FF6B5B;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header.site {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand span { font: 500 24px/1 var(--serif); }
nav.site { display: flex; gap: 18px; font-size: 15px; }
nav.site a { color: var(--ink-2); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--ink); }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(36px, 7vw, 54px); margin: 28px 0 12px; }
h2 { font-size: 28px; margin: 48px 0 10px; }
h3 { font-size: 21px; margin: 28px 0 6px; }
p, li { color: var(--ink); }
.lede { font-size: 19px; color: var(--ink-2); margin: 0 0 8px; }
.muted { color: var(--ink-2); }
.small { font-size: 14px; color: var(--ink-3); }

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 20px 22px;
  margin: 18px 0;
}
.card.summary { background: var(--accent-soft); border-color: transparent; }
.card ul { margin: 8px 0 0; padding-left: 20px; }
.card li + li { margin-top: 6px; }

table.facts { width: 100%; border-collapse: collapse; font-size: 15px; }
table.facts th, table.facts td { text-align: left; padding: 10px 8px 10px 0; border-bottom: 1px solid var(--hairline); vertical-align: top; }
table.facts th { color: var(--ink-2); font-weight: 600; width: 34%; }
.scroll-x { overflow-x: auto; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 26px; border: 0; border-radius: 999px;
  background: var(--accent); color: var(--on-accent);
  font: 600 17px/1 var(--sans); text-decoration: none; cursor: pointer;
}
.button[disabled] { opacity: 0.45; cursor: default; }

form .field { margin: 0 0 16px; }
form label { display: block; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
input, textarea, select {
  width: 100%; font: 17px/1.4 var(--sans); color: var(--ink);
  background: var(--surface); border: 1px solid var(--hairline); border-radius: 14px;
  padding: 14px 16px;
}
textarea { min-height: 170px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.topics { display: flex; flex-wrap: wrap; gap: 8px; }
.topics input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.topics label {
  margin: 0; text-transform: none; letter-spacing: 0; font: 600 15px/1 var(--sans); color: var(--ink);
  padding: 11px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--hairline); cursor: pointer;
}
.topics input:checked + label { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.topics input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status { margin-top: 16px; font-size: 15px; }
.status.error { color: var(--danger); }

footer.site { margin: 64px 0 40px; padding-top: 20px; border-top: 1px solid var(--hairline); font-size: 14px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer.site a { color: var(--ink-2); text-decoration: none; }

@media (max-width: 520px) {
  body { font-size: 16px; }
  nav.site { gap: 14px; font-size: 14px; }
  .brand span { font-size: 21px; }
  table.facts th { width: 40%; }
}