/* ============================================================
   EDI Rescue — trade-document look.
   Paper, ink, hairlines, one stamp red. Serif voice, mono labels.
   ============================================================ */

:root {
  --paper:      #f2ece0;
  --paper-hi:   #fbf7ec;
  --paper-lo:   #e8dfcc;
  --ink:        #191610;
  --ink-2:      #4b4437;
  --ink-3:      #6f6656;
  --rule:       #c9bda4;
  --rule-soft:  #ded4bf;
  --stamp:      #a2311a;
  --stamp-ink:  #7c2412;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --shell: 1120px;
  --measure: 68ch;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.62 var(--serif);
  font-feature-settings: "kern" 1, "liga" 1;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

::selection { background: var(--ink); color: var(--paper-hi); }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: var(--rule); }
a:hover { text-decoration-color: var(--stamp); color: var(--stamp-ink); }

h1, h2, h3 { font-weight: 500; letter-spacing: -.015em; margin: 0; }
h1 { font-size: clamp(38px, 5.6vw, 66px); line-height: .99; letter-spacing: -.028em; }
h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.12; }
h3 { font-size: 19px; line-height: 1.25; }
p { margin: 0 0 18px; max-width: var(--measure); }
strong, b { font-weight: 600; }
code { font-family: var(--mono); font-size: .84em; background: var(--paper-lo); padding: 1px 5px; border-radius: 2px; }

.mono { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.muted { color: var(--ink-3); }
.small { font-size: 13.5px; line-height: 1.55; }

.shell { max-width: var(--shell); margin: 0 auto; padding: 0 40px; }

/* ---------- header ---------- */
.topline { border-bottom: 1px solid var(--rule); }
.topline .shell { display: flex; align-items: center; justify-content: space-between; height: 32px; }
.topline span { color: var(--ink-3); }

header.site { border-bottom: 1px solid var(--rule); }
header.site .shell {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding-top: 20px; padding-bottom: 18px;
}
.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand .mark { width: 9px; height: 9px; background: var(--stamp); display: inline-block; transform: translateY(-2px); }
.brand .name { font-family: var(--mono); font-size: 15px; letter-spacing: .18em; text-transform: uppercase; }
.brand .sub { font-size: 12px; font-style: italic; color: var(--ink-3); }

nav.main { display: flex; align-items: center; gap: 22px; }
nav.main a { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
nav.main a:hover { color: var(--stamp-ink); }
nav.main a.btn { color: var(--paper-hi); }
nav.main a.btn:hover { color: #fff; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; background: var(--ink); color: var(--paper-hi);
  font-family: var(--mono); font-size: 11px; letter-spacing: .13em; text-transform: uppercase;
  text-decoration: none; padding: 13px 20px; border: 1px solid var(--ink); border-radius: 1px;
  cursor: pointer; transition: background .12s ease, border-color .12s ease; white-space: nowrap;
}
.btn:hover { background: var(--stamp); border-color: var(--stamp); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper-hi); border-color: var(--ink); }
.btn.small { padding: 9px 13px; font-size: 10px; }
.link { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid var(--stamp); padding-bottom: 2px; }
.link:hover { color: var(--stamp-ink); }

/* ---------- hero ---------- */
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--rule); }
.hero .shell { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr); gap: 64px; align-items: start; }
.hero .eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: var(--ink-3); }
.hero .eyebrow .dot { width: 6px; height: 6px; background: var(--stamp); }
.hero h1 { margin-bottom: 24px; }
.hero .lede { font-size: 20px; line-height: 1.5; color: var(--ink-2); max-width: 46ch; }
.hero .actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin: 30px 0 20px; }
.hero .fine { font-size: 13px; color: var(--ink-3); max-width: 44ch; }

/* ---------- document artifact ---------- */
.doc { position: relative; background: var(--paper-hi); border: 1px solid var(--rule); padding: 26px 24px 22px; font-family: var(--mono); }
.doc::before { content: ""; position: absolute; inset: 7px -7px -7px 7px; border: 1px solid var(--rule-soft); z-index: -1; }
.doc .head { display: flex; justify-content: space-between; border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin-bottom: 14px; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.doc .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 14px; padding: 7px 0; border-bottom: 1px dotted var(--rule); font-size: 11px; letter-spacing: .06em; }
.doc .row span { color: var(--ink-3); text-transform: uppercase; }
.doc .row b { font-weight: 600; letter-spacing: .04em; text-align: right; margin-left: auto; }
.doc-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 18px; margin-top: 20px; padding-top: 14px; border-top: 1px dotted var(--rule); }
.doc .stamp {
  transform: rotate(-6deg);
  border: 2px solid var(--stamp); color: var(--stamp); padding: 6px 10px;
  font-size: 10px; letter-spacing: .16em; line-height: 1.5; text-align: center; text-transform: uppercase;
  opacity: .9; white-space: nowrap;
}
.doc .foot { font-size: 9.5px; letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; }

/* ---------- sections ---------- */
section.band { border-bottom: 1px solid var(--rule); padding: 54px 0; }
.section-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 26px; }
.section-head .num { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: var(--stamp); }
.section-head h2 { flex: 1; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule); }
.steps .step { padding: 20px 22px 22px 0; border-right: 1px solid var(--rule-soft); }
.steps .step:last-child { border-right: 0; }
.steps .step + .step { padding-left: 22px; }
.steps .k { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: var(--stamp); margin-bottom: 10px; }
.steps h3 { margin-bottom: 8px; }
.steps p { font-size: 15px; color: var(--ink-2); margin: 0; }

.manifest { width: 100%; border-collapse: collapse; }
.manifest tr { border-bottom: 1px solid var(--rule-soft); }
.manifest tr:first-child { border-top: 2px solid var(--ink); }
.manifest td { padding: 16px 0; vertical-align: baseline; }
.manifest .name { font-size: 21px; width: 32%; }
.manifest .docs { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; color: var(--ink-3); }
.manifest .go { text-align: right; width: 90px; }
.manifest .go a { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid var(--rule); }
.manifest tr:hover .name { color: var(--stamp-ink); }

.pull { border-left: 2px solid var(--stamp); padding: 4px 0 4px 24px; margin: 30px 0; }
.pull p { font-size: 22px; line-height: 1.4; font-style: italic; color: var(--ink-2); margin: 0; max-width: 52ch; }

.rates { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--ink); }
.rate { padding: 24px 26px 26px 0; border-right: 1px solid var(--rule-soft); }
.rate + .rate { padding-left: 26px; padding-right: 0; border-right: 0; }
.rate .label { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.rate .amount { font-size: 46px; line-height: 1; letter-spacing: -.03em; margin: 10px 0 4px; }
.rate .amount em { font-size: 16px; font-style: normal; color: var(--ink-3); letter-spacing: 0; }
.rate p { font-size: 15px; color: var(--ink-2); margin: 10px 0 0; }

.qa { border-top: 2px solid var(--ink); }
.qa details { border-bottom: 1px solid var(--rule-soft); }
.qa summary { list-style: none; cursor: pointer; padding: 18px 44px 18px 0; position: relative; font-size: 19px; line-height: 1.35; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; position: absolute; right: 4px; top: 15px; font-family: var(--mono); font-size: 18px; color: var(--stamp); }
.qa details[open] summary::after { content: "–"; }
.qa details p { padding: 0 40px 20px 0; color: var(--ink-2); margin: 0; }

/* ---------- article ---------- */
.article { padding: 52px 0 60px; }
.article .grid { display: grid; grid-template-columns: 215px minmax(0,1fr); gap: 48px; align-items: start; }
.rail { position: sticky; top: 28px; }
.rail .k { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.rail ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.rail li { border-bottom: 1px solid var(--rule-soft); }
.rail a { display: block; padding: 8px 0; font-size: 13.5px; text-decoration: none; color: var(--ink-2); line-height: 1.35; }
.rail a:hover { color: var(--stamp-ink); }

.prose h1 { margin-bottom: 20px; }
.prose .standfirst { font-size: 21px; line-height: 1.5; color: var(--ink-2); margin-bottom: 26px; max-width: 58ch; }
.prose h2 { margin: 42px 0 14px; padding-top: 14px; border-top: 1px solid var(--rule); }
.prose ul { padding-left: 20px; margin: 0 0 20px; max-width: var(--measure); }
.prose li { margin-bottom: 10px; }
.prose li::marker { color: var(--stamp); }
.prose > p:first-of-type::first-letter { font-size: 3.1em; float: left; line-height: .82; padding: 6px 10px 0 0; color: var(--stamp); }

.byline { display: flex; gap: 16px; align-items: baseline; padding-bottom: 18px; border-bottom: 1px solid var(--rule); margin-bottom: 30px; color: var(--ink-3); }
.byline .dot { width: 5px; height: 5px; background: var(--stamp); display: inline-block; }

/* ---------- forms ---------- */
.form { margin: 28px 0 10px; max-width: 640px; }
.field { margin-bottom: 22px; }
.field label { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 7px; }
input[type=text], input[type=email], input[type=file], textarea {
  width: 100%; background: var(--paper-hi); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 1px; padding: 12px 13px;
  font-family: var(--mono); font-size: 13px; line-height: 1.5;
}
textarea { min-height: 132px; resize: vertical; }
input:focus, textarea:focus { outline: 2px solid var(--stamp); outline-offset: 1px; border-color: var(--stamp); }
input[type=file] { padding: 9px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hint { font-size: 13px; color: var(--ink-3); margin-top: 8px; }

/* ---------- quotation ---------- */
.quote-sheet { border: 1px solid var(--rule); background: var(--paper-hi); padding: 30px 32px; position: relative; margin: 26px 0; }
.quote-sheet::after { content: ""; position: absolute; inset: 6px -6px -6px 6px; border: 1px solid var(--rule-soft); z-index: -1; }
.quote-sheet .head { display: flex; justify-content: space-between; border-bottom: 2px solid var(--ink); padding-bottom: 12px; margin-bottom: 18px; }
.quote-sheet .total { font-size: 54px; letter-spacing: -.03em; line-height: 1; margin: 14px 0 6px; }
.quote-sheet .total em { font-size: 16px; font-style: normal; color: var(--ink-3); }

table.kv { width: 100%; border-collapse: collapse; max-width: 720px; }
table.kv th, table.kv td { text-align: left; padding: 11px 14px 11px 0; border-bottom: 1px solid var(--rule-soft); vertical-align: top; }
table.kv th { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; width: 200px; }

/* ---------- decoder ---------- */
.finding { border: 1px solid var(--rule); background: var(--paper-hi); padding: 18px 20px; margin: 14px 0; }
.finding .fh { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; border-bottom: 1px solid var(--rule-soft); padding-bottom: 10px; margin-bottom: 10px; }
.finding .fh code { background: transparent; padding: 0; color: var(--stamp-ink); }
.finding .fh strong { font-size: 17px; }
.finding p { margin: 0 0 10px; font-size: 15px; color: var(--ink-2); }
.finding table.kv { margin-top: 6px; }
.warn { color: var(--stamp-ink); font-weight: 600; }

/* ---------- cta + footer ---------- */
.cta { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule); padding: 34px 0; margin: 46px 0 0; }
.cta p { font-size: 22px; line-height: 1.4; max-width: 52ch; margin-bottom: 18px; }

footer.site { padding: 40px 0 56px; color: var(--ink-2); }
footer.site .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
footer.site .brandline { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 10px; }
footer.site p { font-size: 13.5px; color: var(--ink-3); max-width: 38ch; }
footer.site h4 { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; margin: 0 0 12px; }
footer.site ul { list-style: none; margin: 0; padding: 0; }
footer.site li { margin-bottom: 7px; }
footer.site li a { font-size: 14px; text-decoration: none; }
footer.site .legal { border-top: 1px solid var(--rule); margin-top: 34px; padding-top: 18px; font-size: 12.5px; color: var(--ink-3); max-width: none; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero .shell { grid-template-columns: 1fr; gap: 40px; }
  .article .grid { grid-template-columns: 1fr; gap: 26px; }
  .rail { position: static; }
  .rail ol { display: none; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  body { font-size: 16.5px; }
  .shell { padding: 0 22px; }
  .brand .sub { display: none; }
  .btn.small { padding: 9px 11px; font-size: 9.5px; }
  .topline .shell span:last-child { display: none; }
  .hero { padding: 40px 0; }
  .doc { padding: 18px 16px; }
  .doc .stamp { font-size: 9px; padding: 5px 8px; }
  .steps, .rates { grid-template-columns: 1fr; }
  .steps .step { border-right: 0; border-bottom: 1px solid var(--rule-soft); padding: 18px 0; }
  .steps .step + .step { padding-left: 0; }
  .rate { border-right: 0; border-bottom: 1px solid var(--rule-soft); padding: 20px 0; }
  .rate + .rate { padding-left: 0; }
  .manifest .name { font-size: 18px; }
  .manifest .docs { display: none; }
  .two { grid-template-columns: 1fr; }
  nav.main a:not(.btn) { display: none; }
  footer.site .cols { grid-template-columns: 1fr; gap: 28px; }
  .prose > p:first-of-type::first-letter { font-size: 2.6em; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}