:root {
  --oxblood: #6F1D1B;
  --lamp: #E8C07A;
  --walnut: #4A2F23;
  --page: #F6F1E7;
  --ink: #241610;
  --fiber: #E4D8C4;
  --colophon: #1A120E;
  --slip: #FFFBF4;
  --muted: #5C4638;
  --spine: 5.75rem;
  --folio: min(72rem, calc(100% - 2.5rem));
  --display: "Newsreader", "Iowan Old Style", "Palatino Linotype", serif;
  --body: "Figtree", "Avenir Next", "Gill Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: var(--body);
  font-size: 1.05rem;
  line-height: 1.65;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(42rem 28rem at 92% -8%, rgba(232, 192, 122, 0.38), transparent 62%),
    repeating-linear-gradient(90deg, rgba(74, 47, 35, 0.015) 0 1px, transparent 1px 7px);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--oxblood); }
a:hover { color: var(--walnut); }
:focus-visible { outline: 2px solid var(--lamp); outline-offset: 3px; }
.hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--oxblood);
  color: var(--page);
  padding: 0.6rem 1rem;
  text-decoration: none;
}
.skip-link:focus { top: 0.75rem; }

.spine {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: var(--walnut);
  color: var(--page);
  border-bottom: 4px solid var(--oxblood);
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--page);
  min-width: 0;
}
.brand-kicker {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--lamp);
}
.brand-name {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.01em;
}
.spine .brand:hover,
.spine .brand:focus-visible {
  color: var(--lamp);
}
.spine .brand:hover .brand-kicker,
.spine .brand:focus-visible .brand-kicker {
  color: var(--lamp);
}
.spine-nav a:hover,
.spine-nav a:focus-visible,
.cart-link:hover,
.cart-link:focus-visible {
  color: var(--lamp);
}
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--lamp);
  background: transparent;
  color: var(--lamp);
  cursor: pointer;
}
.spine-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}
.spine-nav a {
  color: #F3E6D0;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.spine-nav a[aria-current="page"],
.cart-link[aria-current="page"] {
  color: var(--lamp);
  box-shadow: inset 0 -2px 0 var(--lamp);
}
.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--page);
  text-decoration: none;
  font-weight: 600;
}
.cart-count {
  min-width: 1.5rem;
  height: 1.5rem;
  display: inline-grid;
  place-items: center;
  background: var(--oxblood);
  color: var(--lamp);
  font-size: 0.8rem;
}
.icon { width: 1.15rem; height: 1.15rem; }

.folio {
  position: relative;
  z-index: 1;
  width: var(--folio);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.chapter {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  color: var(--oxblood);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
}
.chapter::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: var(--oxblood);
}
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--walnut);
}
h1 { font-size: clamp(2.4rem, 7vw, 4.6rem); margin: 0.35rem 0 1rem; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.lede { font-size: 1.2rem; max-width: 38rem; color: var(--muted); }
.hero {
  display: grid;
  gap: 1.5rem;
  padding: 1rem 0 2.5rem;
}
.hero-visual {
  position: relative;
}
.hero-visual img {
  width: 100%;
  height: min(70vh, 36rem);
  object-fit: cover;
  filter: saturate(0.86);
  box-shadow: 18px 18px 0 var(--walnut);
}
.lamp-disc {
  position: absolute;
  width: 8rem;
  height: 8rem;
  right: -1.2rem;
  top: -1.2rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,192,122,0.95) 0%, rgba(232,192,122,0.15) 62%, transparent 70%);
  pointer-events: none;
}
.margin-note {
  font-family: var(--display);
  font-style: italic;
  color: var(--walnut);
  max-width: 22rem;
}

.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  background: var(--oxblood);
  color: var(--page);
  font-family: var(--body);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.25rem;
  cursor: pointer;
}
.btn:hover { background: var(--walnut); color: var(--lamp); }
.btn-ghost {
  background: transparent;
  color: var(--oxblood);
  border: 1px solid var(--oxblood);
}
.btn-wide { width: 100%; }
.field, select.field, textarea.field {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--walnut);
  background: transparent;
  color: var(--ink);
  font: inherit;
  padding: 0.55rem 0;
  border-radius: 0;
}
.field:focus { outline: none; border-bottom-color: var(--oxblood); }
label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--walnut); margin-bottom: 0.3rem; }
.checkbox-line {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--ink);
  margin: 0.7rem 0;
}
.checkbox-line.full { width: 100%; }
.checkbox-line input { margin-top: 0.3rem; accent-color: var(--oxblood); flex: 0 0 auto; }
.checkbox-line a { color: var(--oxblood); text-decoration: underline; }
.hint { color: var(--muted); font-size: 0.88rem; margin: 0.25rem 0 0; }

.shelf {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.leaf-card {
  background: var(--slip);
  border: 1px solid var(--fiber);
  display: grid;
  grid-template-rows: auto 1fr;
  position: relative;
}
.leaf-card:nth-child(even) { transform: translateY(1.1rem); }
.leaf-card img {
  width: 100%;
  height: 22rem;
  object-fit: cover;
}
.dog-ear {
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 1.6rem 1.6rem 0;
  border-color: transparent var(--page) transparent transparent;
  filter: drop-shadow(-1px 1px 0 var(--fiber));
}
.leaf-copy { padding: 1rem 1.1rem 1.2rem; }
.leaf-copy p { margin: 0; font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--oxblood); }
.leaf-copy h3 { margin: 0.35rem 0 0.6rem; font-size: 1.35rem; }
.leaf-copy h3 a { color: inherit; text-decoration: none; }
.leaf-bottom { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.icon-btn {
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--walnut);
  background: transparent;
  color: var(--walnut);
  cursor: pointer;
}

.filters { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1rem 0 0.5rem; }
.filter-chip {
  border: 1px solid var(--walnut);
  background: transparent;
  color: var(--walnut);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  font: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}
.filter-chip.is-active { background: var(--oxblood); color: var(--page); border-color: var(--oxblood); }

.split {
  display: grid;
  gap: 2rem;
}
.product-stage img {
  width: 100%;
  min-height: 18rem;
  object-fit: cover;
  box-shadow: 12px 12px 0 var(--fiber);
}
.buy-form { display: grid; gap: 0.8rem; margin: 1.2rem 0; }
.detail-notes { display: grid; gap: 0.8rem; border-top: 1px solid var(--fiber); padding-top: 1rem; }

.cart-item {
  display: grid;
  gap: 0.8rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--fiber);
}
.cart-item img { width: 100%; max-width: 8rem; height: 9.5rem; object-fit: cover; }
.qty {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.qty button, .remove-btn {
  border: 1px solid var(--walnut);
  background: transparent;
  color: var(--walnut);
  cursor: pointer;
  min-width: 2rem;
  height: 2rem;
}
.remove-btn { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0 0.6rem; width: auto; }
.summary-slip {
  background: var(--slip);
  border: 1px solid var(--fiber);
  padding: 1.2rem;
}
.summary-row { display: flex; justify-content: space-between; gap: 1rem; margin: 0.4rem 0; }
.summary-row.total { border-top: 1px solid var(--walnut); padding-top: 0.6rem; font-size: 1.1rem; }
.empty-leaf { padding: 2rem 0; }

.slip-form {
  background: var(--slip);
  border: 1px solid var(--fiber);
  padding: 1.25rem;
  display: grid;
  gap: 0.9rem;
}
.pair { display: grid; gap: 0.8rem; }
@media (min-width: 720px) {
  .pair-2 { grid-template-columns: 1fr 1fr; }
  .pair-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.pay-option {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--fiber);
  color: var(--ink);
}
.pay-option strong { display: block; }
.pay-option span span { display: block; color: var(--muted); font-size: 0.92rem; }
.form-feedback {
  background: var(--oxblood);
  color: #F6F1E7;
  padding: 0.8rem 1rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.aside-note {
  background: var(--walnut);
  color: #F6F1E7;
  padding: 1.2rem;
}
.aside-note a { color: var(--lamp); }
.aside-note h2 { color: var(--lamp); }

.legal-sheet {
  max-width: 42rem;
  overflow: visible;
}
.legal-sheet h1, .legal-sheet h2 {
  font-family: var(--body);
  font-weight: 700;
  letter-spacing: 0;
}
.legal-sheet h1 { font-size: 2rem; }
.legal-sheet h2 { font-size: 1.2rem; margin-top: 1.6rem; color: var(--oxblood); }
.legal-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 1.5rem;
}
.legal-index a {
  color: var(--walnut);
  background: var(--slip);
  border: 1px solid var(--fiber);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
}
.id-box {
  border-left: 4px solid var(--oxblood);
  padding: 0.6rem 0 0.6rem 1rem;
  background: var(--slip);
}
.legal-sheet p, .legal-sheet li { overflow-wrap: anywhere; }

.pause-band {
  display: grid;
  gap: 1.2rem;
  margin: 3rem 0;
  align-items: center;
}
.pause-band img { width: 100%; height: 16rem; object-fit: cover; }

.colophon {
  position: relative;
  z-index: 1;
  background: var(--colophon);
  color: #F6F1E7;
  padding: 2.5rem 1.25rem 2rem;
  margin-top: 2rem;
}
.colophon a { color: var(--lamp); text-decoration: underline; text-underline-offset: 2px; }
.colophon h2, .colophon h3 { color: var(--lamp); }
.news-slip {
  width: var(--folio);
  margin: 0 auto 2rem;
  display: grid;
  gap: 1rem;
  border-bottom: 1px solid rgba(232,192,122,0.35);
  padding-bottom: 1.5rem;
}
.news-slip form { display: grid; gap: 0.7rem; }
.news-slip .field {
  border-bottom-color: var(--lamp);
  color: #F6F1E7;
  caret-color: var(--lamp);
}
.news-slip .field::placeholder { color: #E8C07A; opacity: 0.9; }
.colophon .brand-name { color: #F6F1E7; font-size: clamp(1.4rem, 3vw, 1.85rem); }
.news-slip .checkbox-line,
.news-slip .checkbox-line span {
  color: #F3E6D0;
}
.news-slip .checkbox-line a { color: var(--lamp); }
.colophon-grid {
  width: var(--folio);
  margin: 0 auto;
  display: grid;
  gap: 1.4rem;
}
.colophon-grid a { display: block; margin: 0.25rem 0; }
.colophon-legal {
  width: var(--folio);
  margin: 1.5rem auto 0;
  border-top: 1px solid rgba(232,192,122,0.28);
  padding-top: 1rem;
  color: #F3E6D0;
  font-size: 0.95rem;
}

.toast-region {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: grid;
  gap: 0.5rem;
}
.toast {
  background: var(--walnut);
  color: var(--lamp);
  padding: 0.75rem 1rem;
  box-shadow: 6px 6px 0 var(--oxblood);
  max-width: 18rem;
}
.live-region { position: absolute; width: 1px; height: 1px; overflow: hidden; }

@media (min-width: 720px) {
  .shelf { grid-template-columns: 1fr 1fr; }
  .hero { grid-template-columns: 1fr 1.1fr; align-items: end; }
  .split { grid-template-columns: 1.05fr 0.95fr; }
  .cart-item { grid-template-columns: 8rem 1fr auto auto; align-items: center; }
  .pause-band { grid-template-columns: 1fr 1fr; }
  .colophon-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .news-slip { grid-template-columns: 1fr 1.1fr; }
}
body::after {
  content: "CAP. 01  ·  CAP. 02  ·  CAP. 03  ·  CAP. 04";
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2.1rem;
  z-index: 2;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  display: none;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.45em;
  font-size: 0.72rem;
  color: var(--lamp);
  background: var(--walnut);
  border-right: 3px solid var(--oxblood);
  pointer-events: none;
}
@media (min-width: 980px) {
  body { padding-left: 2.1rem; }
  body::after { display: flex; }
  .menu-toggle { display: none; }
  .spine-nav { display: block !important; }
  .shelf { grid-template-columns: repeat(3, 1fr); }
  .leaf-card:nth-child(3n+2) { transform: translateY(1.4rem); }
  .leaf-card:nth-child(3n) { transform: translateY(0.4rem); }
}
@media (max-width: 979px) {
  .spine-nav { display: none; }
  .spine-nav.is-open {
    display: block;
    grid-column: 1 / -1;
  }
}