/* ============================================================
   T. L. AMITI: WORKSHOP LEDGER
   Design tokens (deliberate, not defaults):
   - paper #FDFCF8 / wash #EFEBE2 / ink #191813
   - muted #5B5850 (4.6:1 on paper) / accent oxide #A83A0A (6:1)
   - display: "Space Grotesk" / body: "IBM Plex Sans" / meta: "IBM Plex Mono"
   - radius: 0 structural, 2px tags only. No gradients, glass, glow, pills.
   ============================================================ */
:root {
  --paper: #FDFCF8;
  --wash: #EFEBE2;
  --ink: #191813;
  --muted: #5B5850;
  --accent: #A83A0A;
  --accent-ink: #7E2C07;
  --line: #191813;
  --hairline: #D8D3C6;
  --ok: #1E6B34;
  --err: #9C1C00;
  --max: 72rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

/* author display rules (e.g. .ledger__row grid) would otherwise beat the UA [hidden] rule */
[hidden] { display: none !important; }

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* Visible keyboard focus everywhere */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2000;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* ---------- top strip + nav ---------- */
.top-strip {
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.top-strip__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.45rem var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.top-strip__inner span:last-child { text-align: right; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--paper);
  border-bottom: 2px solid var(--line);
}
.site-nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.9rem var(--gutter);
  display: flex;
  align-items: baseline;
  gap: 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}
.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  flex: none;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.brand__sub {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-block;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  min-height: 44px;
}
.nav-links a .n { color: var(--accent); margin-right: 0.35em; }
.nav-links a:hover { border-color: var(--line); }
.nav-links a[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
}
.nav-links a[aria-current="page"] .n { color: var(--paper); }

.nav-toggle {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.6rem 0.9rem;
  min-height: 44px;
  cursor: pointer;
}

/* ---------- page frame ---------- */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- hero: asymmetric ledger, never centered ---------- */
.hero {
  border-bottom: 2px solid var(--line);
  padding: 2.5rem 0 2rem;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.kicker::after {
  content: "";
  height: 1px;
  background: var(--hairline);
  flex: 1;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(15rem, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  text-wrap: balance;
}
.hero h1 .strike {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.12em;
}
.lede {
  font-size: 1.15rem;
  max-width: 38rem;
  margin: 0 0 1.75rem;
}
.lede strong { font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 0.5rem; }

/* rectangular buttons, pills banned */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  min-height: 44px;
}
.btn-solid {
  background: var(--ink);
  color: var(--paper);
}
.btn-solid:hover {
  background: var(--accent);
  border-color: var(--accent-ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: translate(-1px, -1px);
}
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--wash); }

/* meta dossier column */
.dossier {
  border: 1px solid var(--line);
  background: var(--wash);
  font-size: 0.95rem;
}
.dossier__head {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.dossier dl { margin: 0; }
.dossier dl > div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px dashed var(--hairline);
}
.dossier dl > div:last-child { border-bottom: 0; }
.dossier dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.dossier dd { margin: 0; }
.dossier a { color: var(--accent-ink); }

/* ---------- sections: varied rhythm ---------- */
.section { padding: 2.75rem 0; }
.section + .section { border-top: 1px solid var(--hairline); }
.section--wash { background: var(--wash); border-top: 2px solid var(--line); border-bottom: 2px solid var(--line); }
.section--wash .wrap { padding-top: 0.5rem; padding-bottom: 0.5rem; }

.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 1.5rem;
}
.section-head__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.1;
}
.section-head__rule {
  grid-column: 1 / -1;
  height: 1px;
  background: var(--line);
  margin-top: 0.25rem;
}
.section-head p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  max-width: 44rem;
}

/* ---------- ledger rows replace cards ---------- */
.ledger { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.ledger__row {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) auto;
  gap: 1.25rem;
  align-items: start;
  padding: 1.4rem 0.25rem;
  border-top: 1px solid var(--line);
}
.ledger__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  padding-top: 0.3rem;
}
.ledger__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
  line-height: 1.2;
}
.ledger__desc { margin: 0 0 0.6rem; color: #33322E; max-width: 46rem; }
.ledger__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.ledger__go {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border: 1px solid var(--line);
  padding: 0.55rem 0.8rem;
  background: var(--paper);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.ledger__go:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.ledger__go:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ledger--flat .ledger__row { grid-template-columns: minmax(0, 1fr) auto; }

/* tags: 2px radius only, never pills */
.tag {
  display: inline-block;
  border: 1px solid var(--hairline);
  background: var(--paper);
  border-radius: 2px;
  padding: 0.15rem 0.45rem;
  color: var(--ink);
}

/* ---------- figure strip: dense facts, not stat cards ---------- */
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  background: var(--paper);
  margin: 0;
}
.facts > div { padding: 1.1rem 1.25rem; text-align: center; }
.facts > div + div { border-left: 1px solid var(--line); }
.facts__n {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1;
}
.facts__l {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- method list: sequence, not equal cards ---------- */
.method { list-style: none; margin: 0; padding: 0; }
.method li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.25rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--hairline);
}
.method li:last-child { border-bottom: 1px solid var(--hairline); }
.method__step { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }
.method h3 { font-family: var(--font-display); font-size: 1.1rem; margin: 0 0 0.3rem; }
.method p { margin: 0; color: #33322E; max-width: 48rem; }

/* ---------- statement (open rhythm) ---------- */
.statement {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 22ch;
  margin: 0 0 1rem;
}
.statement + p { max-width: 40rem; color: #33322E; }

/* ---------- about page ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 2.5rem;
  align-items: start;
}
.photo-frame { border: 1px solid var(--line); background: #fff; }
.photo-frame img { display: block; width: 100%; height: auto; }
.photo-frame figcaption {
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.6rem 0.9rem;
}
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--accent);
  padding: 0.3rem 0.6rem;
  margin-bottom: 1rem;
}
.timeline { list-style: none; margin: 0 0 2rem; padding: 0; border-left: 2px solid var(--line); }
.timeline li { padding: 0 0 1.25rem 1.25rem; position: relative; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0.45rem;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--accent);
}
.timeline h3 { font-family: var(--font-display); font-size: 1.05rem; margin: 0; }
.timeline p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.95rem; }
.stack-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.stack-groups h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.4rem;
  margin: 0 0 0.6rem;
}
.stack-groups ul { list-style: none; margin: 0; padding: 0; font-size: 0.95rem; }
.stack-groups li { padding: 0.3rem 0; border-bottom: 1px dotted var(--hairline); }

/* ---------- filter bar + github figures ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.55rem 0.85rem;
  min-height: 44px;
  cursor: pointer;
}
.filter-btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.shots figure { margin: 0; border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; }
.shots .figure--wide { grid-column: 1 / -1; }
.shots img { display: block; width: 100%; height: auto; }
.shots figcaption {
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.5rem 0.8rem;
  margin-top: auto;
}

/* desktop only: uniform stacked cards, same size regardless of source aspect */
@media (min-width: 60.0625rem) {
  .shots { grid-template-columns: 1fr; justify-items: center; }
  .shots figure { width: 100%; max-width: 32rem; }
  .shots .figure--wide { grid-column: auto; }
  .shots img { height: 12rem; object-fit: contain; }
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 2.5rem;
  align-items: start;
}
.contact-lines { list-style: none; margin: 0 0 1.5rem; padding: 0; border-top: 1px solid var(--line); }
.contact-lines li {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--hairline);
}
.contact-lines .k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}
.contact-lines a { color: var(--accent-ink); }
.form-card { border: 1px solid var(--line); background: #fff; padding: 1.5rem; }
.form-card h2 { font-family: var(--font-display); margin: 0 0 0.25rem; }
.form-card > p { margin: 0 0 1.25rem; color: var(--muted); font-size: 0.95rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
.field .hint { font-weight: 400; color: var(--muted); font-size: 0.85rem; }
.field input, .field textarea {
  width: 100%;
  font: inherit;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
}
.field textarea { min-height: 9rem; resize: vertical; }
.status {
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.status--ok { border-left: 5px solid var(--ok); background: #EEF5EE; }
.status--err { border-left: 5px solid var(--err); background: #F9ECE6; }
.field-error { color: var(--err); font-size: 0.85rem; min-height: 1.2em; display: block; margin-top: 0.25rem; }
.social-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* ---------- footer: real routes, colophon ---------- */
.site-footer { background: var(--ink); color: #EDEAE1; margin-top: 3rem; }
.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
}
.site-footer h2, .site-footer h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #B9B4A6;
  margin: 0 0 0.75rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.site-footer a { color: #EDEAE1; }
.site-footer a:hover { color: #fff; }
.site-footer .fine {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem var(--gutter) 1.5rem;
  border-top: 1px solid #3A382F;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #B9B4A6;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- 404 ---------- */
.big-404 {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 1;
  margin: 0;
}

/* ---------- responsive: composed mobile, not collapsed ---------- */
@media (max-width: 60rem) {
  .hero__grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .dossier { order: -1; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div:nth-child(3) { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
  .shots { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 40rem) {
  .nav-toggle { display: inline-block; }
  .nav-links {
    display: none;
    position: absolute;
    right: var(--gutter);
    top: 100%;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 0.5rem;
    min-width: 14rem;
  }
  .nav-links.open { display: flex; }
  .site-nav__inner { position: relative; flex-wrap: wrap; }
  .top-strip__inner span:last-child { display: none; }
  .facts { grid-template-columns: 1fr; }
  .facts > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .ledger__row { grid-template-columns: 1fr; gap: 0.5rem; }
  .ledger__go { justify-self: start; }
  .stack-groups { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .contact-lines li { grid-template-columns: 1fr; gap: 0.15rem; }
}