/* gtme-field-guide — magazine rack shell */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink: #0a0a0a;
  --paper: #f4f1ea;
  --rule: rgba(244, 241, 234, 0.18);
  --rule-strong: rgba(244, 241, 234, 0.6);
}

html,
body {
  background: var(--ink);
  color: var(--paper);
  font-family: 'Source Serif 4', Georgia, serif;
  font-feature-settings: 'lnum', 'pnum';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* ─── Masthead ───────────────────────────────────────────────────── */

.masthead {
  padding: 8vh 6vw 2vh;
}

.masthead h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 900;
  font-size: clamp(44px, 6vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.submasthead {
  font-family: 'Source Serif 4', Georgia, serif;
  font-style: italic;
  font-size: clamp(16px, 1.6vw, 26px);
  opacity: 0.75;
  margin-top: 1.4vh;
  max-width: 60ch;
}

.meta-row {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: clamp(11px, 0.85vw, 14px);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-top: 3.2vh;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.rule {
  height: 1px;
  background: var(--rule-strong);
  margin: 2.4vh 6vw 0;
}

/* ─── Issue list ─────────────────────────────────────────────────── */

main {
  margin-top: 2vh;
}

.issue-band {
  display: grid;
  grid-template-columns: 1fr 3fr 1fr;
  align-items: center;
  min-height: 20vh;
  padding: 0 6vw;
  border-bottom: 1px solid var(--rule);
  transition: background-color 180ms ease, color 180ms ease;
}

.issue-band:first-child {
  border-top: 1px solid var(--rule);
}

.issue-band:hover {
  background: var(--paper);
  color: var(--ink);
}

.issue-band .num {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: clamp(22px, 2.4vw, 42px);
  letter-spacing: 0.04em;
  opacity: 0.8;
}

.issue-band .title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  font-size: clamp(22px, 3vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.issue-band .meta {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: clamp(11px, 0.95vw, 15px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: right;
  opacity: 0.85;
  display: flex;
  flex-direction: column;
  gap: 0.4em;
  align-items: flex-end;
}

.issue-band .meta .cta {
  opacity: 0.9;
}

/* Empty state — same band grammar, lower emphasis */
.issue-band.empty {
  pointer-events: none;
}

.issue-band.empty .title {
  font-style: italic;
  opacity: 0.55;
}

.issue-band.empty .meta {
  opacity: 0.55;
}

/* ─── Colophon ───────────────────────────────────────────────────── */

footer.colophon {
  padding: 10vh 6vw 6vh;
  margin-top: 4vh;
}

footer.colophon > p {
  max-width: 68ch;
  font-size: clamp(13px, 1.05vw, 17px);
  line-height: 1.6;
  opacity: 0.65;
}

footer.colophon .footmark {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: clamp(10px, 0.8vw, 12px);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-top: 6vh;
  padding-top: 2.4vh;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

/* ─── Mobile ─────────────────────────────────────────────────────── */

@media (max-width: 700px) {
  .masthead {
    padding: 6vh 6vw 2vh;
  }

  .meta-row {
    flex-direction: column;
    gap: 0.4em;
  }

  .issue-band {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.8em;
    padding: 4vh 6vw;
    min-height: 0;
  }

  .issue-band .meta {
    text-align: left;
    align-items: flex-start;
  }

  footer.colophon {
    padding: 6vh 6vw 6vh;
  }

  footer.colophon .footmark {
    margin-top: 4vh;
  }
}