:root {
  --ink-950: #061a2a;
  --ink-900: #09263d;
  --ink-800: #123a55;
  --ink-700: #255069;
  --mist-100: #e8f0f2;
  --mist-50: #f3f7f7;
  --paper: #fbfcf9;
  --white: #ffffff;
  --sea-600: #237578;
  --sea-500: #2f8b8c;
  --copper-600: #a95134;
  --copper-500: #bd6544;
  --amber-100: #f6e8ce;
  --red-600: #a73d3d;
  --line: rgba(9, 38, 61, 0.15);
  --shadow: 0 24px 70px rgba(6, 26, 42, 0.12);
  --display: "Iowan Old Style", "Baskerville", "Songti SC", "STSong", serif;
  --body: "Avenir Next", "Avenir", "PingFang SC", "Microsoft YaHei", sans-serif;
  --utility: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --max-width: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink-900);
  background: var(--paper);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid rgba(47, 139, 140, 0.35);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-950);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--max-width)); margin-inline: auto; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--sea-600);
  font-family: var(--utility);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.display { font-family: var(--display); font-weight: 500; letter-spacing: -0.035em; }

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 19px;
  background: var(--ink-900);
  color: var(--white);
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}
.button:hover { transform: translateY(-2px); background: var(--ink-800); }
.button--secondary { border-color: var(--line); background: transparent; color: var(--ink-900); }
.button--secondary:hover { border-color: var(--ink-700); background: rgba(255,255,255,0.55); }
.button--light { background: var(--white); color: var(--ink-950); }
.button--copper { background: var(--copper-600); }
.button--small { min-height: 38px; padding: 8px 14px; font-size: 0.86rem; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(35, 117, 120, 0.24);
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(47, 139, 140, 0.08);
  color: var(--sea-600);
  font-family: var(--utility);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.status::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.status--amber { border-color: rgba(169, 81, 52, 0.2); background: rgba(189,101,68,0.08); color: var(--copper-600); }

.field { display: grid; gap: 7px; }
.field label, .field-label { color: var(--ink-700); font-size: 0.78rem; font-weight: 700; }
.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  background: var(--white);
  color: var(--ink-950);
}
.textarea { min-height: 110px; resize: vertical; }
.input:hover, .select:hover, .textarea:hover { border-color: rgba(9,38,61,0.3); }

.mono { font-family: var(--utility); font-variant-numeric: tabular-nums; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1000;
  max-width: 360px;
  border-radius: 14px;
  padding: 14px 17px;
  background: var(--ink-950);
  color: var(--white);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--max-width)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}