:root {
  --ivory: #f3eee4;
  --ivory-2: #e8e1d3;
  --paper: #faf6ee;
  --forest: #1b3a31;
  --forest-2: #244a3f;
  --forest-deep: #122821;
  --brass: #b08948;
  --brass-soft: rgba(176, 137, 72, 0.38);
  --ink: #1c1a16;
  --muted: #6a655c;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --rail: 64px;
  --header: 76px;
  --measure: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 12px); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  padding-left: var(--rail);
}
body.menu-open { overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; overflow-wrap: break-word; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4.6rem); margin-bottom: 1.1rem; }
h2 { font-size: clamp(1.85rem, 3.4vw, 3.15rem); margin-bottom: 0.85rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.45rem; }
img { max-width: 100%; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  left: calc(var(--rail) + 16px);
  top: -80px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--forest);
  color: var(--paper);
}
.skip-link:focus { top: 12px; }

.stack-end {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail);
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 0 16px;
  background: var(--forest);
  color: var(--paper);
  border-right: 1px solid var(--brass);
}
.stack-end > span,
.stack-end > b {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.12em;
}
.shelf-ticks {
  list-style: none;
  margin: 18px 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
  align-items: center;
}
.shelf-ticks li {
  width: 34px;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #d7c49a;
  border-top: 1px solid var(--brass-soft);
  padding-top: 6px;
}
.shelf-ticks li.is-current {
  color: var(--paper);
  border-top-color: var(--brass);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(1.5rem, 5vw, 4.5rem);
  background: rgba(243, 238, 228, 0.94);
  border-bottom: 1px solid var(--brass);
  backdrop-filter: blur(14px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  line-height: 1.05;
}
.brand-stamp {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--brass);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--forest);
}
.brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.16em;
  font-weight: 600;
}
.brand small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}
.desktop-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.15rem clamp(0.65rem, 1.5vw, 1.45rem);
}
.desktop-nav a {
  text-decoration: none;
  font-size: 0.84rem;
  padding: 6px 0;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
}
.desktop-nav a:hover,
.desktop-nav a.active {
  border-bottom-color: var(--brass);
  color: var(--forest);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header-mail {
  font-size: 0.88rem;
  color: var(--forest);
  text-underline-offset: 3px;
}
.lang-switch {
  display: flex;
  border: 1px solid var(--brass);
}
.lang-btn {
  min-width: 38px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--ink);
}
.lang-btn.active {
  background: var(--forest);
  color: var(--paper);
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 36px;
  border: 1px solid var(--brass);
  background: transparent;
  padding: 8px 9px;
}
.menu-toggle span {
  display: block;
  height: 1px;
  background: var(--forest);
  margin: 6px 0;
}
.mobile-nav {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--brass-soft);
  padding: 8px 0 16px;
}
.mobile-nav a {
  padding: 12px 0;
  text-decoration: none;
  border-bottom: 1px solid var(--ivory-2);
}

main { overflow-x: clip; }

.hero,
.section,
.site-footer {
  width: min(var(--measure), calc(100% - clamp(2rem, 8vw, 7rem)));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(2.4rem, 6vw, 5.5rem) 0 clamp(3rem, 7vw, 6rem);
  border-bottom: 1px solid var(--brass-soft);
}
.shelf-kicker {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}
.hero-lead { max-width: 40rem; color: #3d3a34; }
.hero-actions, .output-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 1.4rem 0 1.6rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.6rem 1.15rem;
  border: 1px solid var(--brass);
  background: transparent;
  text-decoration: none;
  color: var(--forest);
}
.btn.primary {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--paper);
}
.btn.mail { background: var(--paper); }
.btn.disabled,
.btn[disabled] {
  opacity: 0.45;
  pointer-events: none;
}
.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--brass);
}
.hero-facts div { padding: 0.85rem 0.9rem 0 0; }
.hero-facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-facts dd {
  margin: 0.2rem 0 0;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.reading-desk { display: grid; gap: 18px; min-width: 0; }
.lib-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--brass);
  padding: 1.35rem 1.3rem 1.3rem 2.1rem;
  box-shadow: 10px 12px 0 rgba(27, 58, 49, 0.06);
}
.lib-card .punch {
  position: absolute;
  left: 11px;
  top: 1.45rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ivory);
  box-shadow: inset 0 0 0 1px var(--brass);
}
.lib-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}
.lib-card h2, .lib-card h3 { margin-bottom: 0.35rem; }
.lib-card ul {
  margin: 0.7rem 0;
  padding: 0;
  list-style: none;
}
.lib-card li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 0.35rem 0;
  border-top: 1px solid var(--ivory-2);
  font-size: 0.95rem;
}
.card-note, .output-note, .after-note {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.bookshelf {
  padding: 1rem 1rem 0.85rem;
  background: var(--forest);
  color: var(--paper);
  border: 1px solid var(--forest-deep);
}
.shelf-row {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  align-items: end;
  min-height: 92px;
}
.shelf-mark {
  align-self: center;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: #d7c49a;
}
.spines {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 92px;
}
.spines.short { height: 72px; }
.sp {
  display: block;
  width: 14px;
  border-radius: 2px 2px 0 0;
  background: #d9c7a1;
}
.sp.s1 { height: 86%; background: #c9b48a; }
.sp.s2 { height: 100%; width: 18px; background: #f3eee4; }
.sp.s3 { height: 78%; background: #8aa090; }
.sp.s4 { height: 94%; width: 11px; background: #b08948; }
.sp.s5 { height: 70%; background: #efe6d2; }
.sp.s6 { height: 88%; width: 16px; background: #2f5a4c; }
.sp.s7 { height: 96%; background: #d4b57a; }
.sp.s8 { height: 74%; background: #f7f1e6; }
.sp.s9 { height: 90%; background: #9e7a3e; }
.sp.s10 { height: 80%; width: 20px; background: #dfe7dc; }
.plank {
  height: 9px;
  margin: 0 -4px 8px;
  background: linear-gradient(#d4b57a, #8d6a32);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.12);
}
.bookshelf p {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: #d7c49a;
}

.section {
  padding: clamp(3.2rem, 7vw, 5.8rem) 0;
  border-bottom: 1px solid var(--brass-soft);
}
.section-head { max-width: 46rem; margin-bottom: 2rem; }
.about-visual {
  margin: 0 0 2rem;
}
.about-visual img {
  width: 100%;
  height: 22rem;
  object-fit: cover;
  display: block;
  border: 1px solid var(--brass);
  box-shadow: 10px 12px 0 rgba(27, 58, 49, 0.06);
}
.about-visual figcaption {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.process-list {
  margin-bottom: 2.2rem;
}
.order-layout {
  align-items: start;
}
.split-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-bottom: 1.6rem;
}
.rule-list, .plain-list, .numbered {
  margin: 0;
  padding: 0;
}
.rule-list { list-style: none; border-top: 1px solid var(--brass); }
.rule-list li {
  padding: 0.9rem 0 0.9rem 2.4rem;
  border-bottom: 1px solid var(--brass-soft);
  position: relative;
}
.rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: 1.4rem;
  border-top: 1px solid var(--brass);
}
.numbered { padding-left: 1.2rem; }
.numbered li, .plain-list li { margin: 0.55rem 0; }
.plain-list { padding-left: 1.1rem; }

.catalog-grid, .spec-grid, .case-grid, .qty-board {
  display: grid;
  gap: 1.1rem;
}
.catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.catalog-grid .lib-card { min-height: 100%; display: flex; flex-direction: column; }
.catalog-grid b, .primary-card .code-chip {
  font-family: var(--serif);
  letter-spacing: 0.04em;
}
.catalog-grid b { font-size: 1.7rem; color: var(--forest); }
.code-chip {
  width: max-content;
  margin-bottom: 0.4rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--brass);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}
.catalog-grid a {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--forest);
}
.primary-card { background: #f7f3ea; }

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.4rem, 4vw, 3.2rem);
  align-items: start;
}
.callout {
  background: var(--paper);
  border: 1px solid var(--brass);
  padding: 1.3rem 1.4rem;
}
.callout.forest {
  background: var(--forest);
  color: var(--paper);
  border-color: var(--forest);
}

.field-table { border-top: 1px solid var(--brass); }
.field-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--brass-soft);
}
.field-row span {
  font-family: var(--serif);
  font-size: 1.15rem;
}
.field-row p { margin: 0; }

.pair-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.pair-cards article,
.spec-grid article,
.case-grid article,
.qty-board article {
  background: var(--paper);
  border: 1px solid var(--brass-soft);
  padding: 1.2rem 1.25rem;
}
.spec-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.case-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.case-grid span, .qty-board span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--brass);
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}
.qty-board { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.qty-board span {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--forest);
}
.qty-board p { margin: 0; font-size: 0.92rem; }

.doc-rail, .process-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.doc-rail li, .process-list li {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-top: 1px solid var(--brass-soft);
}
.process-list { display: grid; grid-template-columns: 1fr; }
#order .process-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  margin: 0 0 2.4rem;
}
#order .process-list li {
  display: block;
  border: 1px solid var(--brass-soft);
  background: var(--paper);
  padding: 1.2rem 1.25rem;
}
#order .process-list span { display: block; margin-bottom: 0.45rem; }
.stationery .spec-grid { margin-top: 1.2rem; }
.doc-rail b, .process-list span {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--forest);
}
.process-list h3, .doc-rail h3, .doc-rail p, .process-list p { margin-bottom: 0.2rem; }
.process-list p, .doc-rail p { margin: 0; }

.builder { background: transparent; }
.builder-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.4rem, 4vw, 2.8rem);
  align-items: start;
}
.builder-form, .contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.builder-form label, .contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.builder-form .wide,
.builder-form button,
.contact-form label:nth-child(n + 3),
.contact-form button,
.contact-form .form-status { grid-column: 1 / -1; }
.builder-form span, .contact-form span {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.builder-form select,
.builder-form textarea,
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--brass-soft);
  background: var(--paper);
  padding: 0.7rem 0.75rem;
  outline: none;
}
.builder-form :focus,
.contact-form :focus {
  border-color: var(--forest);
  box-shadow: 0 0 0 1px var(--forest);
}
.output-card pre {
  min-height: 16rem;
  margin: 0;
  white-space: pre-wrap;
  font-family: var(--sans);
  font-size: 0.92rem;
  line-height: 1.55;
}
.output-actions { margin: 1rem 0 0; }
.consent {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 0.7rem !important;
}
.consent input { margin-top: 0.3rem; width: auto; }
.consent span { text-transform: none; letter-spacing: 0; color: var(--ink); font-size: 0.95rem; }

.registry-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1.2rem;
}
.registry-sheet {
  background: var(--paper);
  border: 1px solid var(--brass);
  padding: 1.4rem 1.5rem;
}
.file-label {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--brass);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}
.registry-sheet dl { margin: 0; }
.registry-sheet dl div {
  display: grid;
  grid-template-columns: 13.5rem 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--ivory-2);
}
.registry-sheet dt { color: var(--muted); font-size: 0.92rem; }
.registry-sheet dd { margin: 0; font-weight: 600; }
.address-card {
  background: var(--forest);
  color: var(--paper);
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.address-card span {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: #d7c49a;
}
.address-card p {
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.25;
  margin: 1rem 0 auto;
}
.address-card a, .big-mail {
  color: #e8d5a8;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  font-family: var(--serif);
}

.people-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.people-grid article {
  border-top: 1px solid var(--brass);
  padding-top: 1.1rem;
}
.people-grid span {
  color: var(--brass);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.faq-list details {
  border-bottom: 1px solid var(--brass-soft);
  padding: 0.85rem 0;
}
.faq-list summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.35rem;
  list-style: none;
  padding-right: 2rem;
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--brass);
}
.faq-list details[open] summary::after { content: "–"; }
.faq-list p { max-width: 42rem; margin: 0.6rem 0 0.2rem; }

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.big-mail { display: inline-block; margin: 0.4rem 0 1.2rem; }
.contact-copy address { font-style: normal; margin-bottom: 1rem; }
.contact-copy span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--brass);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.form-status { min-height: 1.2rem; color: var(--forest); font-size: 0.92rem; }

.site-footer {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr auto;
  gap: 1.5rem;
  align-items: end;
  padding: 2.4rem 0 3rem;
}
.site-footer strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
}
.site-footer p { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.92rem; }
.site-footer a { color: var(--forest); }

@media (max-width: 1180px) {
  :root { --rail: 0px; }
  .stack-end { display: none; }
  .hero, .split-copy, .catalog-grid, .two-col, .pair-cards,
  .builder-layout, .registry-layout, .people-grid, .contact-layout {
    grid-template-columns: 1fr;
  }
  .spec-grid, .case-grid { grid-template-columns: 1fr 1fr; }
  .qty-board { grid-template-columns: repeat(3, 1fr); }
  .field-row, .registry-sheet dl div { grid-template-columns: 1fr; gap: 0.25rem; }
  .hero-facts { grid-template-columns: 1fr 1fr; }
  #order .process-list { grid-template-columns: 1fr; }
  .site-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;
    padding: 0 0.85rem;
    gap: 10px;
  }
  .brand { min-width: 0; flex: 0 1 auto; }
  .header-tools { flex: 0 0 auto; width: max-content; }
  .desktop-nav, .header-mail { display: none !important; }
  .brand small { display: none; }
  .menu-toggle { display: block !important; }
  .mobile-nav {
    background: var(--ivory);
    padding-inline: 0;
    flex: 1 0 100%;
    width: 100%;
  }
}

@media (max-width: 780px) {
  body { padding-left: 0; }
  .site-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;
    padding: 0 0.7rem;
    gap: 8px;
  }
  .brand { min-width: 0; flex: 0 1 auto; }
  .brand small { display: none; }
  .brand-stamp { display: none; }
  .brand strong { font-size: 0.95rem; letter-spacing: 0.06em; }
  .hero-actions { gap: 8px; }
  .hero-actions .btn { padding-inline: 0.9rem; }
  .header-tools { gap: 6px; flex: 0 0 auto; width: max-content; }
  .lang-btn { min-width: 28px; height: 28px; }
  .desktop-nav, .header-mail { display: none; }
  .menu-toggle { display: block; width: 36px; height: 32px; flex-shrink: 0; }
  .mobile-nav {
    background: var(--ivory);
    padding-inline: 0;
    flex: 1 0 100%;
    width: 100%;
  }
  .hero, .section, .site-footer { width: calc(100% - 1.5rem); }
  .hero { padding-top: 1.8rem; }
  .hero-facts, .spec-grid, .case-grid, .qty-board, .builder-form, .contact-form, .site-footer {
    grid-template-columns: 1fr;
  }
  .about-visual img { height: 16rem; }
  .hero-facts div { padding-right: 0; }
  h1 { font-size: 1.7rem; }
}

@media (max-width: 440px) {
  .hero, .section, .site-footer, .site-header { max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .lang-btn { min-width: 24px; height: 26px; font-size: 0.75rem; }
  .menu-toggle { width: 32px; height: 30px; }
  .brand strong { font-size: 0.88rem; letter-spacing: 0.04em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}