/* ---------------------------------------------------
   iritmaxxing — receipt/ledger design system
   Paper: warm off-white card on a deeper "desk" ground
--------------------------------------------------- */

:root {
  --desk: #DAD5C4;
  --paper: #F8F6EE;
  --ink: #21261F;
  --ink-soft: #565E51;
  --ledger-green: #33553C;
  --stamp-red: #A6392B;
  --rule: rgba(33, 38, 31, 0.28);
  --rule-soft: rgba(33, 38, 31, 0.14);
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Native browser view transitions between pages (progressive enhancement —
   browsers without support simply do a normal navigation, no JS needed). */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.32s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--desk);
  background-image:
    radial-gradient(circle at 20% 10%, rgba(255,255,255,0.35), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(0,0,0,0.04), transparent 50%);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

main { display: block; }

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

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 4rem 1.25rem 3rem;
}

.receipt {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--paper);
  box-shadow: 0 24px 48px -20px rgba(20, 24, 18, 0.35), 0 2px 0 rgba(255,255,255,0.5) inset;
  padding: 0;
  animation: drop-in 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@media (prefers-reduced-motion: reduce) {
  .receipt { animation: none; }
}

@keyframes drop-in {
  from { opacity: 0; transform: translateY(-14px) rotate(-1.2deg); }
  to { opacity: 1; transform: translateY(0) rotate(-0.6deg); }
}

.receipt-body {
  padding: 2.1rem 1.9rem 1.6rem;
  font-family: var(--mono);
}

.receipt-tear {
  height: 12px;
  background-image:
    linear-gradient(45deg, var(--desk) 50%, transparent 50%),
    linear-gradient(-45deg, var(--desk) 50%, transparent 50%);
  background-size: 14px 14px;
  background-repeat: repeat-x;
}
.receipt-tear-top { background-position: top left; }
.receipt-tear-bottom { transform: scaleY(-1); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
  text-transform: uppercase;
}

.store-name {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.35rem;
  text-align: center;
}

.store-addr {
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0;
}

.receipt-date {
  text-align: center;
  font-size: 0.68rem;
  color: var(--ink-soft);
  margin: 0.6rem 0 0;
  letter-spacing: 0.04em;
}

.divider {
  border: none;
  border-top: 1.5px dashed var(--rule);
  margin: 1.15rem 0;
}

.line-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.line-items li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  font-size: 0.82rem;
  align-items: baseline;
}

.line-items .qty { color: var(--ink-soft); }
.line-items .desc { color: var(--ink); }
.line-items .stat {
  color: var(--ledger-green);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.totals { display: flex; flex-direction: column; gap: 0.5rem; }

.total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

.total-row-main {
  font-weight: 700;
  font-size: 0.95rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--rule-soft);
}

.barcode {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 30px;
  margin: 1.3rem 0 0.6rem;
}
.barcode span {
  display: block;
  background: var(--ink);
  height: 100%;
}
.barcode span:nth-child(3n) { width: 2px; }
.barcode span:nth-child(3n+1) { width: 4px; height: 80%; }
.barcode span:nth-child(3n+2) { width: 1px; height: 100%; }

.thank-you {
  text-align: center;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------------- CTA ---------------- */

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  text-align: center;
  padding: 0 1rem;
}

.tagline {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  max-width: 26ch;
  margin: 0;
}

.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--stamp-red);
  border: 3px solid var(--stamp-red);
  padding: 0.65rem 1.6rem;
  text-decoration: none;
  transform: rotate(-3deg);
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
  background: transparent;
}

a.stamp:hover, a.stamp:focus-visible {
  transform: rotate(-3deg) scale(1.04);
  background: var(--stamp-red);
  color: var(--paper);
}

.stamp-pending {
  color: var(--ink-soft);
  border-color: var(--ink-soft);
  cursor: default;
}

/* ---------------- How it works ---------------- */

.how {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
}

.section-title {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
  margin: 0 0 2.5rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.steps li {
  border-top: 2px solid var(--ink);
  padding-top: 0.9rem;
}

.step-num {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ledger-green);
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.steps h3 {
  font-family: var(--sans);
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}

.steps p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; gap: 1.6rem; }
  .hero { padding: 3rem 1rem 2.5rem; }
}

@media (min-width: 900px) {
  .receipt { max-width: 480px; }
  .receipt-body { padding: 2.8rem 2.6rem 2.1rem; }
  .eyebrow { font-size: 0.82rem; margin-bottom: 1.1rem; }
  .store-name { font-size: 2.5rem; }
  .store-addr { font-size: 0.85rem; }
  .receipt-date { font-size: 0.78rem; }
  .line-items li { font-size: 0.98rem; }
  .line-items .stat { font-size: 0.8rem; }
  .total-row { font-size: 0.98rem; }
  .total-row-main { font-size: 1.15rem; }
  .barcode { height: 38px; margin-top: 1.6rem; }
  .thank-you { font-size: 0.78rem; }
  .divider { margin: 1.4rem 0; }

  .cta-block { gap: 1.4rem; }
  .tagline { font-size: 1.35rem; max-width: 30ch; }
  .stamp { font-size: 1.15rem; padding: 0.85rem 2.1rem; border-width: 4px; }
}

/* ---------------- Legal page ---------------- */

.legal {
  max-width: 680px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.back-link {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.legal h1 {
  font-family: var(--mono);
  font-size: 1.7rem;
  margin: 0.4rem 0 1.8rem;
}

.legal-content h2 {
  font-family: var(--mono);
  font-size: 1.02rem;
  margin: 2rem 0 0.6rem;
  color: var(--ledger-green);
}

.legal-content p { color: var(--ink); font-size: 0.97rem; }
.legal-content strong { color: var(--ink-soft); font-weight: 600; }

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

.site-footer {
  background: var(--ink);
  color: var(--paper);
}

.footer-tear {
  height: 12px;
  background-image:
    linear-gradient(45deg, var(--desk) 50%, transparent 50%),
    linear-gradient(-45deg, var(--desk) 50%, transparent 50%);
  background-size: 14px 14px;
  background-repeat: repeat-x;
  transform: scaleY(-1);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.2rem 1.5rem 2.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
  font-size: 0.85rem;
}

.footer-links a { text-decoration: none; opacity: 0.85; }
.footer-links a:hover { opacity: 1; text-decoration: underline; }

.footer-note {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: rgba(248, 246, 238, 0.6);
  margin: 0.4rem 0 0;
}