/* GetVatCalc — clean, fast, no framework */
:root {
  --ink: #1a2332;
  --muted: #5c6b7f;
  --line: #e3e8ef;
  --brand: #0e7c5a;
  --brand-dark: #0a5c43;
  --brand-bg: #e8f5f0;
  --accent: #1d4ed8;
  --bg: #ffffff;
  --panel: #f7f9fb;
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  display: flex; align-items: center; gap: 16px;
}
header.site .logo { font-weight: 800; font-size: 20px; color: var(--brand); letter-spacing: -0.5px; }
header.site .logo span { color: var(--ink); }
header.site nav { margin-left: auto; display: flex; gap: 18px; font-size: 14.5px; }
header.site nav a { color: var(--muted); }
header.site nav a:hover { color: var(--brand); }

main { padding: 28px 0 48px; }
h1 { font-size: 30px; letter-spacing: -0.5px; margin-bottom: 8px; line-height: 1.25; }
h2 { font-size: 21px; margin: 36px 0 12px; letter-spacing: -0.3px; }
h3 { font-size: 16.5px; margin: 22px 0 8px; }
p.lede { color: var(--muted); font-size: 16.5px; max-width: 720px; margin-bottom: 20px; }
p { margin-bottom: 12px; max-width: 760px; }

/* ---- calculator ---- */
.calc {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; margin: 20px 0 8px;
}
.calc-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.field { flex: 1; min-width: 180px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
.field input, .field select {
  width: 100%; padding: 10px 12px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
.mode-switch { display: flex; gap: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; width: fit-content; margin-bottom: 16px; }
.mode-switch button {
  padding: 8px 18px; border: none; background: #fff; cursor: pointer; font-size: 14.5px; color: var(--muted); font-weight: 600;
}
.mode-switch button.active { background: var(--brand); color: #fff; }

.result { margin-top: 6px; }
.result .big {
  font-size: 34px; font-weight: 800; color: var(--brand); letter-spacing: -1px; margin: 6px 0 2px;
  font-variant-numeric: tabular-nums;
}
.result .big small { font-size: 16px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.breakdown { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
.breakdown table { width: 100%; border-collapse: collapse; font-size: 15px; }
.breakdown td { padding: 6px 0; }
.breakdown td:last-child { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.breakdown tr.total td { border-top: 1px solid var(--line); padding-top: 10px; font-size: 16px; }

/* ---- tables ---- */
table.rates { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 14px 0; }
table.rates th, table.rates td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
table.rates th { background: var(--panel); font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); }
table.rates td.num { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--brand); white-space: nowrap; }

/* ---- cards grid ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; margin: 18px 0; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  display: block; color: var(--ink); background: #fff;
  transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: 0 4px 14px rgba(14,124,90,.12); transform: translateY(-1px); text-decoration: none; }
.card .flag { font-size: 24px; }
.card .title { font-weight: 700; margin: 6px 0 2px; }
.card .sub { font-size: 13px; color: var(--muted); }

/* ---- FAQ ---- */
details { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; background: #fff; }
details summary { padding: 12px 16px; font-weight: 600; cursor: pointer; font-size: 15px; }
details p { padding: 0 16px 14px; color: var(--muted); max-width: none; }

/* ---- misc ---- */
.related { margin-top: 36px; border-top: 1px solid var(--line); padding-top: 18px; font-size: 14.5px; color: var(--muted); }
.badge { display: inline-block; background: var(--brand-bg); color: var(--brand-dark); font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.notice { background: var(--brand-bg); border-radius: 8px; padding: 12px 16px; font-size: 14px; color: var(--brand-dark); margin: 16px 0; }

footer.site { border-top: 1px solid var(--line); padding: 22px 0 40px; font-size: 13.5px; color: var(--muted); }
footer.site .cols { display: flex; flex-wrap: wrap; gap: 40px; margin-bottom: 14px; }
footer.site h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--ink); margin-bottom: 8px; }
footer.site ul { list-style: none; }
footer.site li { margin-bottom: 5px; }

@media (max-width: 640px) {
  h1 { font-size: 24px; }
  header.site nav { display: none; }
}