/* ShoppingPerks.com — shared styles
   Palette derived from ledger accounting: ink, credit green, debit gold, cool paper. */

:root {
  --ink:        #12213A;
  --ink-soft:   #3D4F6B;
  --ink-faint:  #7A88A0;
  --paper:      #F2F4F7;
  --paper-deep: #E4E8EE;
  --credit:     #1F8A66;
  --debit:      #A8791E;
  --rule:       #C9D1DC;
  --white:      #FFFFFF;

  --display: "Bricolage Grotesque", "Helvetica Neue", sans-serif;
  --body:    "Newsreader", Georgia, serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  --wide: 1120px;
  --read: 680px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 19px;
  line-height: 1.65;
  font-variant-numeric: tabular-nums;
}

a { color: var(--ink); text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--credit); }

:focus-visible {
  outline: 2px solid var(--credit);
  outline-offset: 3px;
}

img, svg { max-width: 100%; }

.wrap { width: 100%; max-width: var(--wide); margin: 0 auto; padding: 0 28px; }
.read { width: 100%; max-width: var(--read); margin: 0 auto; padding: 0 28px; }

/* ---------- Masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}

.masthead-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.wordmark span { color: var(--credit); }

.masthead-nav {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.masthead-nav a { text-decoration: none; color: var(--ink-soft); }
.masthead-nav a:hover { color: var(--credit); }

/* ---------- Hero ---------- */

.hero { padding: 76px 0 56px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 20px;
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  max-width: 15ch;
}

.hero-lede {
  font-size: 21px;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0;
}

/* ---------- Signature: transaction split ---------- */

.split {
  margin: 60px 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 34px;
}

.split-caption {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 26px;
}

.split-bar {
  display: flex;
  width: 100%;
  height: 62px;
  border: 1px solid var(--ink);
  overflow: hidden;
}

.split-seg {
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  animation: grow 900ms cubic-bezier(.2,.7,.3,1) both;
}

.seg-shopper  { background: var(--credit); flex-basis: 15%; animation-delay: 120ms; }
.seg-platform { background: var(--debit);  flex-basis: 6%;  animation-delay: 260ms; }
.seg-merchant { background: var(--ink);    flex-basis: 79%; animation-delay: 400ms; }

@keyframes grow {
  from { flex-basis: 0%; }
}

.split-key {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}
.split-key span::before {
  content: "";
  display: inline-block;
  width: 9px; height: 9px;
  margin-right: 8px;
  vertical-align: 1px;
}
.key-shopper::before  { background: var(--credit); }
.key-platform::before { background: var(--debit); }
.key-merchant::before { background: var(--ink); }

.split-note {
  margin: 22px 0 0;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 62ch;
}

/* ---------- Figures band ---------- */

.band {
  background: var(--ink);
  color: var(--paper);
  padding: 56px 0;
  margin-top: 76px;
}

.figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.figure-n {
  font-family: var(--mono);
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--white);
  margin: 0 0 12px;
}

.figure-t {
  font-size: 16px;
  line-height: 1.5;
  color: #A9B7CC;
  margin: 0;
}

.figure-src {
  font-family: var(--mono);
  font-size: 11px;
  color: #6C7C95;
  margin: 10px 0 0;
}

/* ---------- Sections ---------- */

.section { padding: 76px 0; }

.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
  margin: 0 0 36px;
}

.section h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 18px;
}

/* ---------- Article index ---------- */

.pieces { border-top: 1px solid var(--rule); }

.piece {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.piece:hover { background: var(--paper-deep); }

.piece-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 6px;
}

.piece h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 8px;
}

.piece p { margin: 0; font-size: 17px; color: var(--ink-soft); }

.piece-soon { opacity: 0.55; pointer-events: none; }
.piece-soon .piece-tag { color: var(--debit); }

/* ---------- Article body ---------- */

.article { padding: 60px 0 40px; }

.article h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}

.article-lede {
  font-size: 21px;
  color: var(--ink-soft);
  margin: 0 0 32px;
}

.article-meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 12px 0;
  margin: 0 0 44px;
}

.prose h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 29px;
  letter-spacing: -0.022em;
  line-height: 1.15;
  margin: 52px 0 16px;
}

.prose h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.015em;
  margin: 36px 0 12px;
}

.prose p { margin: 0 0 22px; }

.prose ul { padding-left: 20px; margin: 0 0 22px; }
.prose li { margin-bottom: 10px; }

.pull {
  font-family: var(--display);
  font-weight: 600;
  font-size: 25px;
  line-height: 1.28;
  letter-spacing: -0.02em;
  border-left: 3px solid var(--credit);
  padding-left: 24px;
  margin: 40px 0;
  color: var(--ink);
}

.table-scroll { overflow-x: auto; margin: 0 0 26px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--ink);
  padding: 0 14px 10px 0;
  font-weight: 600;
}

td {
  border-bottom: 1px solid var(--rule);
  padding: 14px 14px 14px 0;
  vertical-align: top;
}

.terms { list-style: none; padding: 0; margin: 0 0 26px; }
.terms li { border-bottom: 1px solid var(--rule); padding: 14px 0; margin: 0; }
.terms b { font-family: var(--mono); font-size: 14px; font-weight: 600; display: block; margin-bottom: 3px; }

/* ---------- Acquisition ---------- */

.acq {
  border: 1px solid var(--ink);
  padding: 40px;
  margin: 0 0 20px;
  background: var(--white);
}

.acq h2 { margin-top: 0; }

.acq-facts { list-style: none; padding: 0; margin: 26px 0 0; }
.acq-facts li {
  border-top: 1px solid var(--rule);
  padding: 13px 0;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  font-size: 17px;
}
.acq-facts b {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
  padding-top: 4px;
}

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--white);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 30px;
  text-decoration: none;
  margin-top: 30px;
}
.btn:hover { background: var(--credit); }

/* ---------- Footer ---------- */

.foot {
  border-top: 1px solid var(--rule);
  padding: 40px 0 60px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-faint);
}
.foot-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot a { color: var(--ink-soft); text-decoration: none; }
.foot a:hover { color: var(--credit); }

/* ---------- Responsive ---------- */

@media (max-width: 800px) {
  body { font-size: 18px; }
  .figures { grid-template-columns: 1fr; gap: 32px; }
  .piece { grid-template-columns: 1fr; gap: 8px; }
  .acq { padding: 26px; }
  .acq-facts li { grid-template-columns: 1fr; gap: 2px; }
  .split-bar { height: 54px; }
  .split-seg { font-size: 11px; padding: 0 9px; }
  .hero { padding: 48px 0 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .split-seg { animation: none; }
  * { transition: none !important; }
}

/* ---------- Contact block ---------- */

.contact {
  border: 1px solid var(--ink);
  background: var(--white);
  padding: 26px 30px;
  margin: 28px 0 0;
}

.contact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 8px;
}

.contact-addr {
  font-family: var(--mono);
  font-size: clamp(18px, 3.4vw, 25px);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  word-break: break-all;
}
.contact-addr a { text-decoration: none; color: var(--ink); border-bottom: 2px solid var(--credit); }
.contact-addr a:hover { color: var(--credit); }

.contact-note {
  font-size: 15px;
  color: var(--ink-faint);
  margin: 14px 0 0;
}

/* ---------- Revealed contact ---------- */

.contact .btn { margin-top: 0; border: none; cursor: pointer; font-family: var(--mono); }

.email-out {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.revealed-email {
  font-family: var(--mono);
  font-size: clamp(17px, 3.2vw, 24px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--credit);
  word-break: break-all;
}
.revealed-email:hover { color: var(--credit); }

.copy-email {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  padding: 7px 13px;
  cursor: pointer;
}
.copy-email:hover { border-color: var(--credit); color: var(--credit); }

.link-btn {
  font-family: inherit;
  font-size: inherit;
  color: var(--ink);
  background: none;
  border: none;
  border-bottom: 1px solid var(--credit);
  padding: 0;
  cursor: pointer;
}
.link-btn:hover { color: var(--credit); }