/* ============================================================
   Rohan Kapitány — academic profile site
   Design system: "field archive" — paper, ink, navy, ochre
   ============================================================ */

:root {
  --paper: #f3f2ee;
  --paper-raised: #fbfaf7;
  --ink: #1b1b18;
  --ink-soft: #55534c;
  --ink-faint: #8c897d;
  --navy: #22314b;
  --navy-soft: #3a4c6b;
  --ochre: #a9832f;
  --ochre-soft: #c9a24f;
  --line: #dad7ce;
  --line-strong: #b9b5a7;
  --max-width: 780px;
  --radius: 2px;
  font-size: 17px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

a {
  color: var(--navy);
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}
a:hover { color: var(--ochre); text-decoration-color: var(--ochre); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ochre);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ochre);
  margin: 0 0 0.6em;
}

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

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 80px;
}

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

.masthead {
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper-raised);
}

.masthead-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 0;
}

.masthead h1 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

.role {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--line-strong);
  overflow-x: auto;
}

.tab {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 12px 18px;
  border: 1px solid var(--line-strong);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--paper);
  white-space: nowrap;
  position: relative;
  top: 1px;
}

.tab:hover { color: var(--navy); }

.tab.active {
  background: var(--paper-raised);
  color: var(--navy);
  border-bottom: 1px solid var(--paper-raised);
  font-weight: 600;
}

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

.hero {
  padding: 48px 0 8px;
}

.hero p.lede {
  font-size: 1.12rem;
  color: var(--ink);
  max-width: 62ch;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 4px;
}

.tag {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--navy-soft);
  border: 1px solid var(--line-strong);
  padding: 5px 10px;
  border-radius: var(--radius);
  background: var(--paper-raised);
}

/* ---------- sections ---------- */

section.block {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

section.block:first-of-type { border-top: none; }

section.block h2 {
  font-size: 1.3rem;
}

.section-note {
  color: var(--ink-soft);
  margin-top: -8px;
  margin-bottom: 20px;
  max-width: 60ch;
}

/* ---------- ledger (signature list component) ---------- */

.ledger {
  border-top: 1px solid var(--line);
}

.ledger-entry {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.ledger-year {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.82rem;
  color: var(--ochre);
  padding-top: 2px;
}

.ledger-body strong { font-weight: 600; }

.ledger-role {
  color: var(--ink-soft);
  font-size: 0.96rem;
  margin-top: 2px;
}

.ledger-desc {
  color: var(--ink-soft);
  font-size: 0.94rem;
  margin-top: 6px;
  max-width: 58ch;
}

/* publications-specific ledger */

.pub-entry {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.pub-entry .ledger-year { padding-top: 3px; }

.pub-title { font-weight: 600; }

.pub-venue {
  font-style: italic;
  color: var(--ink-soft);
}

.pub-link {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.76rem;
  margin-left: 8px;
}

/* two-column outline (funding / editorial) */

.outline-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 620px) {
  .outline-grid { grid-template-columns: 1fr; }
}

.outline-grid h3 {
  font-size: 0.98rem;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 12px;
}

.outline-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.outline-grid li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.outline-grid li:first-child { border-top: none; }
.outline-grid li strong { color: var(--ink); font-weight: 600; }

/* ---------- empty state (blog) ---------- */

.empty-state {
  padding: 60px 24px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.empty-state h2 { margin-bottom: 10px; }
.empty-state p { color: var(--ink-soft); max-width: 40ch; margin: 0 auto; }

/* ---------- contact form ---------- */

form.contact-form {
  display: grid;
  gap: 18px;
  max-width: 520px;
  margin-top: 24px;
}

.form-row { display: grid; gap: 6px; }

label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

input, textarea {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 1rem;
  padding: 11px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
}

textarea { resize: vertical; min-height: 140px; }

.submit-btn {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--navy);
  color: var(--paper-raised);
  border: none;
  padding: 13px 22px;
  border-radius: var(--radius);
  cursor: pointer;
  width: fit-content;
  transition: background 0.15s ease;
}

.submit-btn:hover { background: var(--ochre); }

.institution-line {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

footer.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 60px;
  color: var(--ink-faint);
  font-size: 0.82rem;
  border-top: 1px solid var(--line);
}