/* ==========================================================================
   tarnovski.eu — refined micro-industrial
   Self-contained stylesheet. No frameworks, no CDNs, no icon fonts.
   Tokens derived from the "Tarnovski Micro-Industrial" design system
   (Stitch asset af3ac75009e34d26afb903ea91e707fa), tightened by the
   design-taste-frontend / impeccable-design-polish / frontend-design passes.
   ========================================================================== */

:root {
  /* surfaces — technical paper stock */
  --surface:        #fafaee;
  --canvas-paper:   #f8f7f4;
  --canvas-bone:    #e9e7dc;
  --paper-tint:     #f0efea;

  /* ink */
  --ink:            #111213;
  --ink-black:      #0b0c0a;
  --on-surface:     #1a1c15;
  --on-surface-var: #4a4d47;
  --muted:          #6b6e66;

  /* structure — 1px hairlines, zero curvature */
  --hairline:       #dcdbd0;
  --hairline-soft:  #e6e5dc;
  --hairline-strong:#c9c8bc;

  /* one accent per viewport — darkened from the system's #c86938 for AA on paper */
  --accent:         #b1541e;
  --accent-quiet:   #8f4318;

  /* status + coordinate vocabulary */
  --live:           #2e7d32;
  --dev:            #90661d;
  --coord:          #2b6cb0;

  /* type */
  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --step-display:  clamp(2.25rem, 1.2rem + 3.4vw, 3.5rem);
  --step-lg:       clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --step-md:       1.25rem;
  --step-body:     1rem;
  --step-sm:       0.875rem;
  --step-mono:     0.8125rem;
  --step-micro:    0.6875rem;
  --step-nano:     0.625rem;

  --leading-display: 1.07;
  --leading-body:    1.6;

  /* rhythm — strict 4/8 multiples */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --shell: 1200px;
  --gutter: 1.5rem;
  --gutter-sm: 1.25rem;

  --rule: 1px solid var(--hairline);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t: 200ms var(--ease);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-display);
  font-size: var(--step-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--surface); }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   shell
   -------------------------------------------------------------------------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

@media (max-width: 640px) {
  .shell { padding-inline: var(--gutter-sm); }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--surface);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 100;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* --------------------------------------------------------------------------
   micro-typography primitives
   -------------------------------------------------------------------------- */

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.micro {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-nano);
  line-height: 1.2;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.micro--ink { color: var(--on-surface); }
.micro--accent { color: var(--accent); }
.micro--coord { color: var(--coord); }

.rule-block {
  border-top: var(--rule);
  padding-top: var(--space-4);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  border-bottom: var(--rule);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-8);
}

.section-head h2 {
  margin: 0;
  font-size: var(--step-md);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: var(--rule);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 3.5rem;
  padding-block: var(--space-2);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.wordmark span:last-child {
  font-family: var(--font-mono);
  font-size: var(--step-nano);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* draft marker on nav items whose page is not built yet */
.nav-flag {
  font-size: 0.85em;
  opacity: 0.6;
  letter-spacing: 0.06em;
}

.site-nav a {
  padding-block: var(--space-1);
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--hairline-strong); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.lang-toggle {
  display: inline-flex;
  gap: var(--space-1);
  padding-left: var(--space-4);
  border-left: var(--rule);
}
.lang-toggle [aria-current="true"] { color: var(--ink); }
.lang-toggle a.is-pending { color: var(--muted); text-decoration: line-through; }

@media (max-width: 720px) {
  .site-header__bar {
    flex-wrap: wrap;
    min-height: 0;
    padding-block: var(--space-3);
  }
  .site-nav { gap: var(--space-2) var(--space-3); }
  .nav-flag { display: none; }
  .lang-toggle { padding-left: var(--space-3); }
}

/* --------------------------------------------------------------------------
   reference strip
   -------------------------------------------------------------------------- */

.refstrip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-bottom: var(--rule);
  padding-block: var(--space-3);
}

.refstrip__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.dot {
  width: 6px;
  height: 6px;
  display: inline-block;
  background: var(--live);
}
.dot--dev { background: var(--dev); }
.dot--idle { background: var(--hairline-strong); }

/* --------------------------------------------------------------------------
   hero
   -------------------------------------------------------------------------- */

.hero {
  min-height: 100dvh;
  display: grid;
  align-content: center;
  gap: var(--space-10);
  padding-block: var(--space-16) var(--space-12);
}

@media (max-width: 900px) {
  .hero { min-height: auto; padding-block: var(--space-12); }
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

.hero h1 {
  margin: 0;
  font-size: var(--step-display);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: var(--leading-display);
  text-wrap: balance;
}

.hero__lede {
  margin: var(--space-6) 0 0;
  max-width: 46ch;
  font-size: 1.0625rem;
  color: var(--on-surface-var);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

/* spec placard — key/value with leader dots */
.spec {
  border: var(--rule);
  background: var(--canvas-paper);
  padding: var(--space-4) var(--space-4) var(--space-3);
}

.spec dl {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.spec__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.04em;
}

.spec__row dt {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--step-nano);
}

.spec__leader {
  border-bottom: 1px dotted var(--hairline-strong);
  transform: translateY(-3px);
}

.spec__row dd {
  margin: 0;
  text-align: right;
  color: var(--on-surface);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   links + actions
   -------------------------------------------------------------------------- */

.action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
  transition: colour var(--t), border-color var(--t);
}
.action:hover { color: var(--accent); border-bottom-color: var(--accent); }
.action:active { transform: translateY(1px); }
.action::after { content: "\2192"; transition: transform var(--t); }
.action:hover::after { transform: translateX(4px); }

.action--framed {
  border: 1px solid var(--ink);
  padding: var(--space-3) var(--space-6);
  transition: background var(--t), color var(--t), transform var(--t);
}
.action--framed::after { content: none; }
.action--framed:hover { background: var(--ink); color: var(--surface); }
.action--framed:active { transform: translateY(1px); }

/* filter chips — buttons, not links; no arrow glyph */
.chip {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-var);
  background: transparent;
  border: 1px solid var(--hairline-strong);
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: border-color var(--t), color var(--t), background var(--t), transform var(--t);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed="true"] { border-color: var(--ink); color: var(--ink); background: var(--paper-tint); }
.chip:active { transform: translateY(1px); }

.ext::after {
  content: "\2197";
  margin-left: var(--space-1);
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   ledger (replaces card grids)
   -------------------------------------------------------------------------- */

.ledger { border-top: var(--rule); }

.ledger__row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1.1fr) minmax(0, 1.3fr) auto;
  gap: var(--space-4);
  align-items: baseline;
  padding-block: var(--space-6);
  border-bottom: var(--rule);
  transition: background var(--t);
}
.ledger__row:hover { background: var(--paper-tint); }

@media (max-width: 900px) {
  .ledger__row {
    grid-template-columns: 2.5rem 1fr;
    row-gap: var(--space-3);
  }
  .ledger__row > .ledger__desc { grid-column: 2 / -1; }
  .ledger__row > .ledger__meta { grid-column: 2 / -1; }
}

.ledger__idx {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.ledger__name {
  font-size: var(--step-md);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
}
.ledger__name .ext::after { font-size: 0.8em; }
.ledger__row:hover .ledger__name { color: var(--accent); }

.ledger__kind {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-nano);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.ledger__desc {
  font-size: var(--step-sm);
  color: var(--on-surface-var);
  max-width: 52ch;
}

.ledger__meta {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.06em;
  text-align: right;
  color: var(--on-surface-var);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .ledger__meta { text-align: left; white-space: normal; }
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-nano);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.status--live { color: var(--live); }
.status--dev { color: var(--dev); }

/* --------------------------------------------------------------------------
   principals
   -------------------------------------------------------------------------- */

.principals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-12);
}
@media (max-width: 900px) { .principals { grid-template-columns: 1fr; gap: var(--space-10); } }

.principal h3 {
  margin: var(--space-2) 0 0;
  font-size: var(--step-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.principal p {
  margin: var(--space-4) 0 0;
  color: var(--on-surface-var);
  font-size: var(--step-sm);
  max-width: 42ch;
}

.principal__posts {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--hairline-soft);
  display: grid;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   statement
   -------------------------------------------------------------------------- */

.statement {
  border-top: var(--rule);
  border-bottom: var(--rule);
  padding-block: var(--space-16);
  text-align: left;
}

.statement h2 {
  margin: 0;
  font-size: var(--step-display);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: var(--leading-display);
}

.statement__lines {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-8);
  margin-top: var(--space-8);
}

/* --------------------------------------------------------------------------
   tables
   -------------------------------------------------------------------------- */

.table-wrap { overflow-x: auto; }

table.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  font-variant-numeric: tabular-nums;
  text-align: left;
}

table.ledger-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: var(--space-3);
  font-size: var(--step-nano);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

table.ledger-table th,
table.ledger-table td {
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--hairline-soft);
  vertical-align: baseline;
}

table.ledger-table thead th {
  border-bottom: var(--rule);
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--step-nano);
}

table.ledger-table tbody tr:hover { background: var(--paper-tint); }
table.ledger-table td:first-child { color: var(--muted); }
table.ledger-table .cell-ink { color: var(--ink); font-weight: 500; }
table.ledger-table .cell-right { text-align: right; }

/* Mobile: no horizontal scrolling anywhere — stack the table into labelled blocks.
   Headers stay in the DOM for assistive tech; each cell carries its own visible label. */
@media (max-width: 720px) {
  .table-wrap { overflow: visible; }
  table.ledger-table,
  table.ledger-table tbody,
  table.ledger-table tr,
  table.ledger-table td { display: block; width: 100%; }
  table.ledger-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  table.ledger-table tr {
    border-bottom: var(--rule);
    padding-block: var(--space-4);
  }
  table.ledger-table td {
    border: 0;
    padding: 0 0 var(--space-2);
  }
  table.ledger-table td::before {
    content: attr(data-label);
    display: block;
    font-size: var(--step-nano);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }
  table.ledger-table .cell-right { text-align: left; }
  table.ledger-table td:first-child { color: var(--on-surface); }
  table.ledger-table tbody tr:hover { background: transparent; }
}

/* --------------------------------------------------------------------------
   dossier (bio page)
   -------------------------------------------------------------------------- */

.dossier {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) { .dossier { grid-template-columns: 1fr; gap: var(--space-8); } }

/* portrait stand-in — honest placeholder, no stock faces, no avatar glyphs */
.portrait {
  aspect-ratio: 4 / 5;
  border: var(--rule);
  background:
    repeating-linear-gradient(45deg, transparent 0 7px, color-mix(in srgb, var(--hairline-soft) 70%, transparent) 7px 8px),
    var(--canvas-paper);
  display: grid;
  place-content: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-4);
}

.portrait__label {
  font-family: var(--font-mono);
  font-size: var(--step-nano);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.dossier__meta {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.04em;
}

.roleline {
  margin: var(--space-4) 0 0;
  max-width: 62ch;
  font-size: 1.0625rem;
  color: var(--on-surface-var);
}

.prose p {
  margin: 0 0 var(--space-4);
  max-width: 68ch;
  color: var(--on-surface-var);
}

.prose p:last-child { margin-bottom: 0; }

.quote {
  border-left: 1px solid var(--hairline-strong);
  padding-left: var(--space-4);
  margin: var(--space-8) 0 0;
  font-size: var(--step-lg);
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 40ch;
}

/* --------------------------------------------------------------------------
   affiliations + contact
   -------------------------------------------------------------------------- */

.affiliation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-6);
  align-items: baseline;
  border: var(--rule);
  background: var(--canvas-paper);
  padding: var(--space-6);
}
@media (max-width: 900px) { .affiliation { grid-template-columns: 1fr; } }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-12);
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); } }

.contact-routes { display: grid; gap: var(--space-6); }

.contact-route {
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: var(--rule);
}
.contact-route:last-child { border-bottom: 0; padding-bottom: 0; }

.pending {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 1px dashed var(--hairline-strong);
}

/* --------------------------------------------------------------------------
   sections + footer
   -------------------------------------------------------------------------- */

.section { padding-block: var(--space-16); }
.section--tight { padding-block: var(--space-12); }

main > section + section { border-top: 0; }

.site-footer {
  border-top: var(--rule);
  padding-block: var(--space-8);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-note {
  font-family: var(--font-mono);
  font-size: var(--step-nano);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   motion discipline
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .action:hover::after { transform: none; }
}

@media print {
  .site-header, .hero__actions, .action { display: none; }
  body { background: #fff; }
}