/* Visual idea: the paperwork of a customs entry. Cool form paper, ink-blue
   stamp color, and one bold element: the tariff code set like a form field. */
:root {
  --paper: #f1f3f0;
  --surface: #ffffff;
  --ink: #16222b;
  --muted: #56636b;
  --rule: #c7cfca;
  --stamp: #1c3f94;
  --seal: #a8201a;
  --mark: #f4c84a;
  --display: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --text: "Source Serif 4", Georgia, "Times New Roman", serif;
  --measure: 40rem;
  --r: 3px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1a21; --surface: #16242d; --ink: #e6ecea; --muted: #9aa8ae;
    --rule: #2c3b44; --stamp: #8fb0ff; --seal: #ff8a80; --mark: #e0b43a;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.65 var(--text);
}
a { color: var(--stamp); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--stamp); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0 0 0.6em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; font-stretch: 75%; }
h2 { font-size: 1.35rem; font-weight: 700; font-stretch: 87%; }
p { margin: 0 0 1em; }

.site-head, main, .site-foot { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
.site-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule);
}
.brand { font: 800 1.15rem var(--display); font-stretch: 75%; color: var(--ink); text-decoration: none; }
.lang { font: 600 0.95rem var(--display); }
main { padding-top: 2rem; padding-bottom: 3rem; }
.site-foot { border-top: 1px solid var(--rule); padding-top: 1.5rem; padding-bottom: 2.5rem; color: var(--muted); font-size: 0.9rem; }
.site-foot p { max-width: var(--measure); }

/* Home */
.hero { max-width: 48rem; padding: 2rem 0 2.5rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: var(--measure); }
.search label { display: block; font: 600 0.95rem var(--display); margin-bottom: 0.4rem; }
.search input {
  width: 100%; font: 700 clamp(1.3rem, 3.5vw, 1.75rem) var(--display); font-stretch: 80%;
  padding: 0.7rem 0.9rem; color: var(--ink); background: var(--surface);
  border: 2px solid var(--ink); border-radius: var(--r); font-variant-numeric: tabular-nums;
}
.results { list-style: none; margin: 0.5rem 0 0; padding: 0; background: var(--surface); border-radius: var(--r); }
.results:empty { display: none; }
.results li { border-bottom: 1px solid var(--rule); }
.results li:last-child { border-bottom: 0; }
.results a { display: block; padding: 0.6rem 0.9rem; color: var(--ink); text-decoration: none; }
.results a:hover, .results a:focus-visible { background: var(--paper); }
.results .empty { padding: 0.6rem 0.9rem; color: var(--muted); }
.code { font: 700 1em var(--display); font-stretch: 80%; color: var(--stamp); font-variant-numeric: tabular-nums; }

.chapters { margin: 1rem 0 3rem; }
.chapter-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.chapter-list a {
  display: grid; grid-template-columns: 3.5rem 1fr auto; gap: 1rem; align-items: baseline;
  padding: 0.75rem 0; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none;
}
.chapter-list a:hover .ch-name { text-decoration: underline; }
.ch-num { font: 800 1.5rem var(--display); font-stretch: 70%; color: var(--stamp); }
.ch-count { color: var(--muted); font-size: 0.9rem; }
.prose { max-width: var(--measure); }

/* Tariff page */
.crumbs { font: 500 0.9rem var(--display); color: var(--muted); margin-bottom: 1.5rem; }
.crumbs a { color: var(--muted); }
.sample-banner {
  border: 2px dashed var(--seal); color: var(--seal); padding: 0.75rem 1rem;
  font: 700 0.95rem var(--display); border-radius: var(--r);
}
.tariff { display: grid; gap: 2.5rem; max-width: 52rem; }
.tariff-head h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-stretch: 87%; }
.meta { color: var(--muted); font-size: 0.95rem; }
.official { font-size: 0.95rem; border-left: 3px solid var(--rule); padding-left: 0.75rem; }
.official span:first-child { font: 600 0.85rem var(--display); color: var(--muted); display: block; }

.code-plate {
  display: inline-flex; align-items: stretch; margin: 0 0 1rem;
  border: 3px double var(--ink); background: var(--surface);
}
.plate-digits {
  font: 800 clamp(2.6rem, 11vw, 5rem)/1 var(--display); font-stretch: 62%;
  padding: 0.35rem 0.9rem 0.45rem; font-variant-numeric: tabular-nums; letter-spacing: 0.02em;
}
.plate-digits i { font-style: normal; color: var(--stamp); }
.plate-nico {
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  border-left: 3px double var(--ink); padding: 0 0.8rem;
  font: 800 clamp(1.4rem, 5vw, 2.4rem)/1 var(--display); font-stretch: 62%;
}
.plate-nico small { font: 600 0.75rem var(--display); color: var(--muted); margin-bottom: 0.2rem; }

.rates, .outputs, .mini { margin: 0; display: grid; }
.rates > div, .outputs > div, .mini > div {
  display: grid; grid-template-columns: minmax(10rem, 18rem) 1fr; gap: 1rem;
  padding: 0.6rem 0; border-bottom: 1px solid var(--rule);
}
dt { color: var(--muted); }
dd { margin: 0; }
dd ul { margin: 0; padding-left: 1.1rem; }
.rate { font: 800 1.6rem/1 var(--display); font-stretch: 75%; box-shadow: inset 0 -0.3em 0 var(--mark); }

.calc { background: var(--surface); border: 1px solid var(--rule); border-top: 4px solid var(--stamp); padding: 1.25rem; border-radius: var(--r); }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 0.9rem 1rem; margin-bottom: 1rem; }
.fields label { display: grid; gap: 0.3rem; font: 600 0.9rem var(--display); }
.fields .wide { grid-column: 1 / -1; }
.fields [hidden] { display: none; }
input, select {
  font: 500 1rem var(--text); padding: 0.5rem 0.6rem; color: var(--ink); background: var(--paper);
  border: 1px solid var(--rule); border-radius: var(--r); min-width: 0;
}
input[type="number"] { font-variant-numeric: tabular-nums; }
.outputs dd { font: 700 1.05rem var(--display); font-variant-numeric: tabular-nums; text-align: right; }
.outputs .out-taxes dd, .outputs .out-landed dd { font-size: 1.35rem; }
.outputs .out-landed { border-bottom: 2px solid var(--ink); }
.outputs [hidden] { display: none; }
.hint { color: var(--stamp); font-size: 0.95rem; }
.note, .small { color: var(--muted); font-size: 0.85rem; margin-top: 0.8rem; }
.mini dd { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--display); font-weight: 600; }

.quote { border-left: 4px solid var(--stamp); padding: 0.25rem 0 0.25rem 1.25rem; }
.button {
  display: inline-block; font: 700 1rem var(--display); padding: 0.7rem 1.1rem;
  background: var(--stamp); color: var(--surface); border-radius: var(--r); text-decoration: none;
}
.partners ul, .related ul { list-style: none; padding: 0; margin: 0; }
.partners li, .related li { padding: 0.5rem 0; border-bottom: 1px solid var(--rule); }
.partners li span { display: block; color: var(--muted); font-size: 0.9rem; }
.faq details { border-bottom: 1px solid var(--rule); padding: 0.75rem 0; }
.faq summary { cursor: pointer; font: 600 1.05rem var(--display); }
.faq details p { margin: 0.6rem 0 0; max-width: var(--measure); }
.ad { min-height: 100px; }

/* Chapter table */
.page-title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-stretch: 80%; }
.table-wrap { overflow-x: auto; }
.codes { width: 100%; border-collapse: collapse; }
.codes th { text-align: left; font: 600 0.9rem var(--display); color: var(--muted); border-bottom: 2px solid var(--ink); padding: 0.5rem 0.75rem 0.5rem 0; }
.codes td { border-bottom: 1px solid var(--rule); padding: 0.6rem 0.75rem 0.6rem 0; vertical-align: top; }
.codes .code { white-space: nowrap; }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }

@media (max-width: 34rem) {
  .rates > div, .outputs > div, .mini > div { grid-template-columns: 1fr auto; gap: 0.5rem; }
  .rates > div { grid-template-columns: 1fr; gap: 0.15rem; }
  .chapter-list a { grid-template-columns: 2.75rem 1fr; }
  .ch-count { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }
@media print { .search, .ad, .partners, .quote, .site-head .lang { display: none; } }

/* Permits and regulations */
.regs .legal { background: var(--surface); border: 1px solid var(--rule); border-left: 4px solid var(--seal); padding: 0.75rem 1rem; font-size: 0.92rem; border-radius: var(--r); }
.regs .legal strong { font-family: var(--display); }
.regs .warn { border-left: 4px solid var(--mark); padding: 0.5rem 0.9rem; font-size: 0.95rem; }
.reg-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.reg-list li { padding: 0.7rem 0; border-bottom: 1px solid var(--rule); }
.reg-list strong { display: block; font: 700 1.02rem var(--display); }
.reg-list span { color: var(--muted); font-size: 0.95rem; }
.programs span { font: 600 0.9rem var(--display); color: var(--muted); }