/* ==========================================================================
   Aldercroft Joinery — drafting table
   Paper #f6f2e8 · Ink #2b2118 · Walnut #9b6a3f · graph-grid ground
   IBM Plex Serif (body/display) + IBM Plex Mono (annotations) · zero JS
   ========================================================================== */

:root {
  --paper: #f6f2e8;
  --paper-deep: #ece6d6;
  --ink: #2b2118;
  --ink-soft: #5c5142;
  --walnut: #9b6a3f;
  --walnut-deep: #7c5230;
  --grid: rgba(43, 33, 24, 0.07);
  --serif: "IBM Plex Serif", Georgia, serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: auto; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

[id] { scroll-margin-top: 1rem; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.7;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    var(--paper);
  background-size: 24px 24px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.6rem 1.1rem;
  text-decoration: none;
}

.skip-link:focus { top: 0.5rem; }

:focus-visible {
  outline: 2px solid var(--walnut-deep);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.6em;
}

h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); border-bottom: 2px solid var(--ink); padding-bottom: 0.35rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

a { color: var(--walnut-deep); }

.mono { font-family: var(--mono); }

.h-index {
  color: var(--walnut);
  font-size: 0.7em;
  vertical-align: 0.18em;
  margin-right: 0.6rem;
  letter-spacing: 0.1em;
}

/* ---------- Title-block header: a drafting table grid at every width ---------- */

.title-block {
  max-width: 64rem;
  margin: 1.25rem auto 0;
  border: 2px solid var(--ink);
  background: var(--paper);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
}

.tb-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.85rem 1.25rem;
  border-right: 2px solid var(--ink);
  text-decoration: none;
  color: var(--ink);
}

.tb-name { font-weight: 600; font-size: 1.3rem; letter-spacing: 0.01em; }

.tb-sub { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }

.tb-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}

.tb-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  padding: 0.85rem 0.25rem;
  border-left: 1px solid var(--ink);
}

.tb-nav a:first-child { border-left: 0; }

.tb-nav a:hover,
.tb-nav a:focus-visible { background: var(--paper-deep); }

.tb-commission {
  background: var(--ink);
  color: var(--paper) !important;
}

.tb-commission:hover,
.tb-commission:focus-visible { background: var(--walnut-deep) !important; }

@media (max-width: 760px) {
  .title-block {
    grid-template-columns: 1fr;
    margin: 0.75rem 0.75rem 0;
  }

  .tb-brand { border-right: 0; border-bottom: 2px solid var(--ink); }

  .tb-nav { grid-template-columns: repeat(3, 1fr); }

  .tb-nav a { border-top: 1px solid var(--ink); padding: 0.7rem 0.25rem; }

  .tb-nav a:nth-child(-n+3) { border-top: 0; }

  .tb-nav a:nth-child(4) { border-left: 0; }
}

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

.hero {
  max-width: 64rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) 1.5rem 2rem;
}

.drawing-no {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--walnut-deep);
  margin: 0 0 1.25rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 6vw, 3.9rem);
  max-width: 16ch;
}

.hero-lede { max-width: 56ch; color: var(--ink-soft); font-size: 1.12rem; }

.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.75rem; }

.hero-lead { font-size: 0.8rem; letter-spacing: 0.06em; color: var(--ink-soft); }

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 2px solid var(--ink);
}

.btn:hover, .btn:focus-visible { background: var(--walnut-deep); border-color: var(--walnut-deep); }

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

.section {
  max-width: 64rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) 1.5rem;
}

/* ---------- Plates ---------- */

.plate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.5rem;
}

.plate {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
}

.plate svg {
  display: block;
  width: 100%;
  height: auto;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 20px 20px;
  border-bottom: 2px solid var(--ink);
}

.dim {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  fill: var(--walnut-deep);
}

.plate figcaption {
  padding: 0.7rem 1rem 0.8rem;
  font-size: 0.98rem;
}

.plate figcaption .mono {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ---------- Rates table ---------- */

.rate-table {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--ink);
  background: var(--paper);
}

.rate-table th,
.rate-table td {
  border: 1px solid var(--ink);
  text-align: left;
  padding: 0.75rem 1rem;
  vertical-align: top;
}

.rate-table thead th {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.rate-table tbody th { font-weight: 600; white-space: nowrap; }

.rate-table td:nth-child(2) {
  font-family: var(--mono);
  white-space: nowrap;
  color: var(--walnut-deep);
}

.table-foot {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-top: 0.8rem;
}

@media (max-width: 640px) {
  .rate-table td:nth-child(3) { display: none; }
  .rate-table th, .rate-table td { padding: 0.6rem 0.7rem; font-size: 0.95rem; }
  .rate-table tbody th { white-space: normal; }
}

/* ---------- Process ---------- */

.process-list {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.75rem;
}

.process-list li { counter-increment: step; }

.process-list h3::before {
  content: counter(step) ". ";
  font-family: var(--mono);
  color: var(--walnut);
}

.process-list p { color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- About ---------- */

.about-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 2rem;
  max-width: 56rem;
}

/* ---------- FAQ ---------- */

.faq-list { max-width: 50rem; }

.faq-list details { border-bottom: 1px solid var(--ink); }

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.9rem 0;
}

.faq-list summary:hover { color: var(--walnut-deep); }

.faq-list details p { color: var(--ink-soft); padding-bottom: 1rem; margin: 0; }

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

.contact-block { max-width: 46rem; }

.contact-lines { font-size: 0.95rem; line-height: 2; }

/* ---------- Footer: closing title block ---------- */

.site-footer {
  max-width: 64rem;
  margin: 0 auto 1.5rem;
  padding: 0 1.5rem;
  text-align: center;
}

.footer-block {
  border: 2px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  background: var(--paper);
}

.footer-block span {
  flex: 1 1 12rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.7rem 0.6rem;
  border-right: 1px solid var(--ink);
  border-top: 1px solid var(--ink);
  margin-top: -1px;
}

.footer-block span:last-child { border-right: 0; }

.footer-fine { font-size: 0.8rem; color: var(--ink-soft); margin-top: 1rem; }

.social-links {
  display: flex;
  gap: 1.2rem;
  list-style: none;
  justify-content: center;
  padding: 0 1.5rem;
  margin: 1rem auto 0;
}

.social-links a { display: inline-flex; color: var(--ink); opacity: 0.8; }

.social-links a:hover, .social-links a:focus-visible { opacity: 1; }

.social-links svg { width: 1.3rem; height: 1.3rem; }