:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1b1a18;
  --muted: #6f6a63;
  --line: #e7e2d9;
  --accent: #a24f2a;
  --accent-soft: #f4e8e0;
  --draft-bg: #fdf3d8;
  --draft-ink: #7a5a12;
  --radius: 14px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 704px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(162, 79, 42, 0.28); }
a:hover { border-bottom-color: var(--accent); }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px; top: 16px;
  background: var(--surface);
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 10;
}

/* header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 650;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: 0;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  flex-wrap: wrap;
}

.site-header nav a {
  color: var(--muted);
  border-bottom: 0;
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.site-header nav a.lang {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px;
  font-size: 12.5px;
  color: var(--muted);
}
.site-header nav a.lang:hover { border-color: var(--muted); }

/* draft band */
.draft {
  background: var(--draft-bg);
  color: var(--draft-ink);
  font-size: 12.5px;
  line-height: 1.5;
  text-align: center;
  padding: 7px 24px;
  border-bottom: 1px solid rgba(122, 90, 18, 0.15);
}

/* main */
main.wrap { padding: 60px 24px 76px; }

.eyebrow {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 680;
  margin: 0 0 22px;
}

h2 {
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 46px 0 10px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

h3 {
  font-size: 16.5px;
  margin: 28px 0 6px;
}

p { margin: 0 0 14px; }

.lead {
  font-size: 19px;
  line-height: 1.66;
  color: #3b3733;
  margin-bottom: 34px;
  max-width: none;
}

.meta {
  font-size: 13.5px;
  color: var(--muted);
  margin: -8px 0 26px;
}

ul { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 8px; }

hr.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

/* cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 34px 0 8px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: #cfc7ba;
  transform: translateY(-1px);
}

.card-kicker {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.card-title { font-weight: 620; font-size: 16.5px; }
.card-text { font-size: 14px; line-height: 1.55; color: var(--muted); }

.contact-block {
  font-size: 21px;
  margin: 8px 0 6px;
}

.todo {
  display: block;
  margin-top: 10px;
  font-size: 0.82em;
  line-height: 1.6;
  color: #8a6a2f;
  background: #fbf3df;
  border: 1px dashed #e3cf9f;
  border-radius: 5px;
  padding: 1px 6px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  font-size: 13px;
  color: var(--muted);
}
.site-footer p { margin: 0 0 4px; }
.site-footer .legal { color: #4a4540; }
.site-footer .fine { font-size: 12.5px; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141312;
    --surface: #1d1b19;
    --ink: #f2efe9;
    --muted: #a39d94;
    --line: #2e2a26;
    --accent: #e39368;
    --accent-soft: #33241c;
    --draft-bg: #2f2717;
    --draft-ink: #e8cd8f;
  }
  .lead { color: #d8d2c9; }
  .site-header { background: rgba(20, 19, 18, 0.9); }
  .card:hover { border-color: #4a4440; }
  .site-footer .legal { color: #cfc9c0; }
}

@media (max-width: 520px) {
  main.wrap { padding: 36px 24px 56px; }
  .lead { font-size: 17.5px; }
  h2 { margin-top: 36px; }
  .header-inner { min-height: auto; padding-top: 12px; padding-bottom: 12px; }
  .site-header nav { gap: 14px; }
}