:root {
  color-scheme: light;
  --bg: #f3f1ec;
  --surface: #fbfaf7;
  --surface-strong: #ffffff;
  --surface-muted: #e9e6de;
  --text: #181916;
  --muted: #676960;
  --border: #d7d3ca;
  --accent: #1f5eff;
  --accent-contrast: #ffffff;
  --focus: rgba(31, 94, 255, .22);
  --shadow: 0 18px 60px rgba(31, 30, 26, .08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 11px;
}

html[data-resolved-theme="dark"] {
  color-scheme: dark;
  --bg: #111210;
  --surface: #171815;
  --surface-strong: #1e201c;
  --surface-muted: #292b26;
  --text: #f1f2ed;
  --muted: #a8aba1;
  --border: #353830;
  --accent: #8eacff;
  --accent-contrast: #10130d;
  --focus: rgba(142, 172, 255, .25);
  --shadow: 0 22px 70px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  transition: background-color .18s ease, color .18s ease;
}
button, input { font: inherit; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 999;
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
}
.skip-link:focus { top: 16px; }

.topbar {
  width: min(1240px, calc(100% - 36px));
  margin: 18px auto 0;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border-radius: 18px;
  padding: 10px 12px 10px 14px;
  position: sticky;
  top: 12px;
  z-index: 50;
  box-shadow: 0 10px 30px rgba(20, 20, 18, .05);
  backdrop-filter: blur(14px);
}
.identity {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  text-decoration: none;
}
.identity-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 12px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
  letter-spacing: -.04em;
}
.identity strong, .identity small { display: block; }
.identity strong { font-size: 15px; }
.identity small { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.theme-switcher {
  display: flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
}
.theme-switcher button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 9px;
  font-size: 13px;
  cursor: pointer;
}
.theme-switcher button[aria-pressed="true"] {
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
}
.converter-button {
  text-decoration: none;
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  padding: 11px 15px;
  border-radius: 12px;
  white-space: nowrap;
}

.shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: end;
  min-height: 620px;
  padding: 92px 0 70px;
}
.kicker, .section-label {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.intro h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(48px, 7.2vw, 92px);
  line-height: .94;
  letter-spacing: -.065em;
  font-weight: 760;
}
.intro-text {
  max-width: 680px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}
.search-wrap { position: relative; max-width: 720px; margin-top: 30px; }
.search-box {
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid var(--border);
  border-radius: 17px;
  background: var(--surface-strong);
  padding: 8px 11px 8px 17px;
  box-shadow: var(--shadow);
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--focus), var(--shadow); }
.search-box svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; color: var(--muted); flex: 0 0 auto; }
.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
}
.search-box input::placeholder { color: color-mix(in srgb, var(--muted) 78%, transparent); }
kbd {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--muted);
  border-radius: 7px;
  min-width: 29px;
  padding: 4px 7px;
  text-align: center;
  font: 700 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.search-results {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 9px);
  z-index: 40;
  max-height: 390px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-strong);
  padding: 7px;
  box-shadow: var(--shadow);
}
.search-result {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 11px;
  align-items: center;
  padding: 10px;
  border-radius: 11px;
  text-decoration: none;
}
.search-result:hover, .search-result.is-selected { background: var(--surface-muted); }
.result-code {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}
.search-result strong, .search-result small { display: block; }
.search-result small { color: var(--muted); margin-top: 2px; }
.search-result > span:last-child { color: var(--muted); }
.search-empty { padding: 18px; color: var(--muted); }
.quick-queries { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.quick-queries button, .filters button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 11px;
  cursor: pointer;
}
.quick-queries button:hover, .filters button:hover, .filters button.is-active {
  color: var(--text);
  background: var(--surface-strong);
}

.route-board {
  border-top: 1px solid var(--text);
  border-bottom: 1px solid var(--border);
}
.route-board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.route-board a {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 18px 2px;
  border-top: 1px solid var(--border);
  text-decoration: none;
}
.route-board a:hover strong { color: var(--accent); }
.route-board strong, .route-board small { display: block; }
.route-board small { color: var(--muted); margin-top: 2px; }
.route-index { color: var(--muted); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }

.directory { padding: 66px 0 20px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.section-head h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.045em; }
.filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.filters button { font-size: 13px; }
.filters button.is-active { border-color: var(--text); }
.service-list { margin-top: 28px; border-top: 1px solid var(--border); }
.service-card {
  display: grid;
  grid-template-columns: 56px minmax(180px, .8fr) minmax(260px, 1.3fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 112px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  padding: 14px 4px;
}
.service-card:hover { background: color-mix(in srgb, var(--surface-strong) 55%, transparent); }
.service-number {
  color: var(--muted);
  font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace;
}
.service-title { display: flex; align-items: center; gap: 13px; min-width: 0; }
.service-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
}
.service-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.service-title strong { font-size: 18px; }
.service-description { color: var(--muted); }
.service-description small { display: block; margin-top: 5px; color: color-mix(in srgb, var(--muted) 77%, transparent); }
.service-open {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 750;
  white-space: nowrap;
}
.service-card:hover .service-open { color: var(--accent); }
.empty-state { margin: 30px 0; color: var(--muted); }

.info-strip {
  margin: 86px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}
.info-strip article { padding: 26px; min-height: 190px; }
.info-strip article + article { border-left: 1px solid var(--border); }
.info-strip span { color: var(--muted); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.info-strip h3 { margin: 42px 0 7px; font-size: 18px; }
.info-strip p { margin: 0; color: var(--muted); }

.footer {
  width: min(1180px, calc(100% - 36px));
  margin: 80px auto 0;
  border-top: 1px solid var(--border);
  padding: 24px 0 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}
.footer strong, .footer span { display: block; }
.footer strong { color: var(--text); }
.footer nav { display: flex; flex-wrap: wrap; gap: 14px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text); }

@media (max-width: 940px) {
  .intro { grid-template-columns: 1fr; min-height: 0; padding-top: 72px; }
  .route-board { max-width: 720px; }
  .service-card { grid-template-columns: 42px minmax(190px, .9fr) minmax(220px, 1.2fr) auto; gap: 15px; }
}

@media (max-width: 720px) {
  .topbar { width: calc(100% - 20px); margin-top: 10px; top: 8px; }
  .identity small { display: none; }
  .theme-switcher button { width: 38px; height: 36px; overflow: hidden; padding: 0; font-size: 0; }
  .theme-switcher button::before { font-size: 14px; }
  .theme-switcher button[data-theme-choice="light"]::before { content: "☀"; }
  .theme-switcher button[data-theme-choice="dark"]::before { content: "☾"; }
  .theme-switcher button[data-theme-choice="auto"]::before { content: "A"; font-weight: 800; }
  .converter-button { padding: 10px 12px; font-size: 13px; }
  .shell, .footer { width: calc(100% - 28px); }
  .intro { padding: 60px 0 54px; }
  .intro h1 { font-size: clamp(45px, 14vw, 68px); }
  .section-head { align-items: flex-start; flex-direction: column; }
  .filters { justify-content: flex-start; }
  .service-card { grid-template-columns: 36px minmax(0, 1fr) auto; padding: 18px 2px; }
  .service-description { grid-column: 2 / 4; margin-top: -9px; }
  .info-strip { grid-template-columns: 1fr; }
  .info-strip article + article { border-left: 0; border-top: 1px solid var(--border); }
  .info-strip article { min-height: 160px; }
  .info-strip h3 { margin-top: 28px; }
  .footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 470px) {
  .topbar-actions { gap: 6px; }
  .theme-switcher { gap: 1px; }
  .theme-switcher button { width: 31px; }
  .converter-button { max-width: 112px; white-space: normal; line-height: 1.1; text-align: center; }
  .intro-text { font-size: 17px; }
  .search-box { min-height: 58px; padding-left: 14px; }
  kbd { display: none; }
  .quick-queries { display: grid; grid-template-columns: 1fr 1fr; }
  .quick-queries button { text-align: left; border-radius: 11px; }
  .route-board a { padding-block: 16px; }
  .service-card { grid-template-columns: 30px minmax(0, 1fr) auto; }
  .service-icon { width: 38px; height: 38px; flex-basis: 38px; }
  .service-title { gap: 10px; }
  .service-title strong { font-size: 17px; }
  .service-open span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}