/* Self-contained on purpose: no webfonts, no CDN, no analytics. Every external
   request from a decoy page is both a fingerprint and a leak. */

:root {
  --bg: #ffffff;
  --surface: #f5f7fb;
  --surface-2: #eef2f9;
  --border: #dfe5f0;
  --text: #14213d;
  --muted: #5d6d8c;
  --accent: #2b5cd9;
  --accent-dark: #1f47ad;
  --accent-soft: #e8eefc;
  --ok: #1f8a5b;
  --warn: #b4761a;
  --radius: 10px;
  --wrap: 1080px;
  --shadow: 0 1px 2px rgba(20, 33, 61, .06), 0 8px 24px rgba(20, 33, 61, .06);
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

img, svg { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; font-weight: 650; }
h1 { font-size: 2.1rem; letter-spacing: -.02em; }
h2 { font-size: 1.5rem; letter-spacing: -.01em; }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.center { text-align: center; }

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

.top {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .92);
  position: sticky;
  top: 0;
  z-index: 20;
}
.top .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 62px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 680;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; display: block; }

.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: var(--muted); font-size: .94rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

.burger {
  display: none;
  margin-left: auto;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
}
.burger span, .burger span::before, .burger span::after {
  display: block; position: relative;
  width: 16px; height: 2px; margin: 0 auto;
  background: var(--text); border-radius: 2px;
}
.burger span::before { content: ""; position: absolute; top: -5px; }
.burger span::after { content: ""; position: absolute; top: 5px; }

/* ------------------------------------------------------------------- hero */

.hero { padding: 64px 0 40px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}
.hero p.lead { font-size: 1.1rem; color: var(--muted); max-width: 44ch; }

.badge {
  display: inline-block;
  padding: 4px 11px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: .8rem;
  font-weight: 600;
}

/* --------------------------------------------------------------- controls */

.btn {
  display: inline-block;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn[disabled] { opacity: .55; cursor: default; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* -------------------------------------------------------- preview widget */

.panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 20px;
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.panel-head h2 { font-size: 1rem; margin: 0; }
.panel-head .hint { font-size: .8rem; color: var(--muted); }

.filters { display: flex; gap: 10px; margin-bottom: 14px; }
.filters label { flex: 1; font-size: .78rem; color: var(--muted); }
.filters select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: .9rem;
}

.vac {
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg);
  padding: 13px 14px;
  margin-bottom: 9px;
}
.vac:last-child { margin-bottom: 0; }
.vac-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.vac-head h3 { margin: 0; font-size: .95rem; }
.vac-pay { font-size: .85rem; font-weight: 600; color: var(--ok); white-space: nowrap; }
.vac-meta { margin: 5px 0 0; font-size: .8rem; color: var(--muted); }
.vac-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.vac-tags span {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: .74rem;
}

/* --------------------------------------------------------------- sections */

.section { padding: 56px 0; }
.section.alt { background: var(--surface); border-block: 1px solid var(--border); }
.section-head { max-width: 60ch; margin-bottom: 34px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  margin-bottom: 12px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: .85rem;
  font-weight: 700;
}
.card p:last-child { margin-bottom: 0; }

.fmt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.fmt {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 16px 18px;
}
.fmt h3 { margin-bottom: 6px; font-size: .98rem; }
.fmt ul { margin: 0; padding-left: 1.1em; color: var(--muted); font-size: .87rem; }

/* -------------------------------------------------------------- long text */

.prose { max-width: 74ch; padding: 48px 0 64px; }
.prose h1 { margin-bottom: .6em; }
.prose h2 { margin-top: 1.8em; font-size: 1.22rem; }
.prose ol, .prose ul { padding-left: 1.4em; }
.prose li { margin-bottom: .45em; }
.prose .updated { color: var(--muted); font-size: .875rem; margin-bottom: 2.4em; }

table.plain { width: 100%; border-collapse: collapse; font-size: .93rem; }
table.plain th, table.plain td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
table.plain th { color: var(--muted); font-weight: 600; font-size: .85rem; }

/* ---------------------------------------------------------------- details */

details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: .97rem;
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: "+";
  color: var(--accent);
  font-weight: 700;
  line-height: 1.5;
}
details[open] summary::before { content: "\2212"; }
details p { margin: 10px 0 0 22px; color: var(--muted); font-size: .93rem; }

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

.foot {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 36px 0 42px;
  font-size: .9rem;
}
.foot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 96px;
}
.foot-col h4 {
  margin: 0 0 10px;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.foot-col a { display: block; color: var(--text); padding: 3px 0; }
.foot-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
}

/* -------------------------------------------------------------- 404, misc */

.stub { padding: 96px 0; text-align: center; }
.stub .code { font-size: 3.4rem; font-weight: 700; color: var(--accent); letter-spacing: -.03em; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 40px 0 28px; }
  h1 { font-size: 1.7rem; }
  .nav {
    display: none;
    position: absolute;
    top: 62px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; }
  .burger { display: block; }
}