:root {
  --color-bg: #F5F0F2;
  --color-bg-warm: #ECB69A;
  --color-bg-deep: #3B2012;
  --color-fg: #1F140C;
  --color-fg-on-deep: #ECB69A;
  --color-fg-on-deep-soft: rgba(236, 182, 154, 0.72);
  --color-rust: #9E5E42;
  --color-saddle: #734728;
  --color-rule: rgba(31, 20, 12, 0.18);
  --color-rule-on-deep: rgba(236, 182, 154, 0.22);
  --font-display: "Barlow Condensed", "Helvetica Neue", sans-serif;
  --font-body: "Public Sans", -apple-system, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --tracking-mono: 0.08em;
  --tracking-display: 0.015em;
  --tracking-spec-label: 0.18em;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

/* ---------- mono spec labels ---------- */

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

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-spec-label);
  font-weight: 500;
}

.mono-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: var(--tracking-mono);
  font-weight: 400;
}

/* ---------- top bar ---------- */

.top-bar {
  background: var(--color-bg-deep);
  color: var(--color-fg-on-deep);
  padding: var(--space-1) var(--space-3);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
}

.top-bar .sep {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-rust);
  margin: 0 var(--space-1);
}

@media (max-width: 720px) {
  .top-bar { font-size: 0.6rem; padding: var(--space-1); }
  .top-bar .hide-sm { display: none; }
}

/* ---------- nav ---------- */

nav.primary {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  max-width: 1280px;
  margin: 0 auto;
  border-bottom: 1px solid var(--color-rule);
}

nav.primary ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

nav.primary ul:last-child { justify-content: flex-end; }

nav.primary a {
  color: var(--color-fg);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
  font-weight: 500;
  transition: color 200ms ease;
}

nav.primary a:hover { color: var(--color-rust); }
nav.primary a.active { color: var(--color-rust); }

.lk-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--color-bg-deep);
  border: 2px solid var(--color-bg-deep);
  padding: 0.35rem 0.55rem;
  text-decoration: none;
  display: inline-block;
  line-height: 1;
}

.lk-mark:hover {
  background: var(--color-bg-deep);
  color: var(--color-bg-warm);
}

@media (max-width: 720px) {
  nav.primary { grid-template-columns: auto 1fr auto; padding: var(--space-2); gap: var(--space-2); }
  nav.primary ul { gap: var(--space-2); }
  nav.primary ul.mid-nav { display: none; }
}

/* ---------- spec sheet panel ---------- */

.spec-sheet {
  background: var(--color-bg-deep);
  color: var(--color-fg-on-deep);
  padding: var(--space-5) var(--space-4);
}

.spec-sheet-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.spec-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.spec-col .mono-label {
  color: var(--color-fg-on-deep-soft);
  border-bottom: 1px solid var(--color-rule-on-deep);
  padding-bottom: var(--space-1);
}

.spec-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.spec-col li {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: var(--tracking-mono);
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
}

.spec-col li .day { color: var(--color-fg-on-deep-soft); }
.spec-col li .closed { color: var(--color-rust); }

.spec-col p {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: var(--tracking-mono);
  line-height: 1.7;
}

.spec-col a { color: var(--color-fg-on-deep); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.spec-col a:hover { color: var(--color-bg-warm); }

@media (max-width: 960px) {
  .spec-sheet-inner { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
}

@media (max-width: 540px) {
  .spec-sheet-inner { grid-template-columns: 1fr; gap: var(--space-3); }
  .spec-sheet { padding: var(--space-4) var(--space-3); }
}

/* ---------- footer ---------- */

footer.site {
  background: var(--color-bg-deep);
  color: var(--color-fg-on-deep);
  padding: var(--space-6) var(--space-4) var(--space-4);
  margin-top: 0;
}

footer.site .inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

footer.site .brand-block .wordmark-footer {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
  color: var(--color-bg-warm);
  line-height: 1;
}

footer.site .brand-block .wordmark-footer .sticker {
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  background: var(--color-rust);
  margin: 0 0.25em;
  vertical-align: 0.18em;
}

footer.site .brand-block .strap {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: var(--tracking-mono);
  color: var(--color-fg-on-deep-soft);
  line-height: 1.7;
  max-width: 32ch;
}

footer.site .col h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
  color: var(--color-fg-on-deep-soft);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--color-rule-on-deep);
}

footer.site .col ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }

footer.site .col li {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: var(--tracking-mono);
}

footer.site .col a { color: var(--color-fg-on-deep); text-decoration: none; }
footer.site .col a:hover { color: var(--color-bg-warm); }

footer.site .legal {
  max-width: 1280px;
  margin: var(--space-5) auto 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-rule-on-deep);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
  color: var(--color-fg-on-deep-soft);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  footer.site .inner { grid-template-columns: 1fr; gap: var(--space-4); }
  footer.site { padding: var(--space-5) var(--space-3) var(--space-3); }
}

/* ---------- shared CTA buttons ---------- */

.btn-rust {
  background: var(--color-rust);
  color: var(--color-bg-warm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  display: inline-block;
  border: none;
  cursor: pointer;
  transition: background 200ms ease;
}
.btn-rust:hover { background: var(--color-saddle); }

.btn-outline-deep {
  background: transparent;
  color: var(--color-bg-warm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: var(--tracking-spec-label);
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border: 1px solid var(--color-rule-on-deep);
  display: inline-block;
  transition: border-color 200ms ease;
}
.btn-outline-deep:hover { border-color: var(--color-bg-warm); }