/*
Theme Name: Academy Journal
Theme URI: https://academyofsciences.net
Author: Academy of Sciences
Description: A scholarly, specimen-catalog inspired WordPress theme built for research and science writing. Features a custom emblem logo, SVG favicon support, and a signature "specimen label" post treatment.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: academy-journal
*/

/* ---------------------------------------------
   DESIGN TOKENS
--------------------------------------------- */
:root {
  --ink: #1c2b24;
  --ink-soft: #2e3f36;
  --paper: #f7f3ea;
  --paper-dim: #ede6d6;
  --line: #d8cfba;
  --verdigris: #5b8770;
  --verdigris-dim: #7fa08e;
  --brass: #b08d57;
  --brass-bright: #c9a06f;
  --text: #241f16;
  --text-muted: #5c5646;
  --radius-sm: 2px;
  --radius-md: 4px;
  --font-display: "Source Serif 4", "Georgia", serif;
  --font-body: "IBM Plex Sans", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
  --measure: 68ch;
}

/* ---------------------------------------------
   RESET & BASE
--------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--verdigris); text-decoration: none; }
a:hover { color: var(--brass); }
:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1.2em; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------------------------------------
   SITE HEADER
--------------------------------------------- */
.site-header {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--brass);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  gap: 24px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--paper);
}
.brand:hover { color: var(--paper); }
.brand-mark { flex-shrink: 0; }
.brand-mark svg { display: block; }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}
.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verdigris-dim);
  margin-top: 2px;
}

.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.primary-nav a {
  color: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}
.primary-nav a:hover { color: var(--brass); }

/* ---------------------------------------------
   SPECIMEN LABEL (signature element)
--------------------------------------------- */
.specimen-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--brass);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  transform: rotate(-1.1deg);
  box-shadow: 2px 2px 0 rgba(28, 43, 36, 0.06);
}
.specimen-tag .accession {
  color: var(--brass);
  font-weight: 600;
}

/* ---------------------------------------------
   MAIN / POST LIST
--------------------------------------------- */
.site-main { padding: 56px 0 72px; }
.page-heading { margin-bottom: 40px; }
.page-heading .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verdigris);
  display: block;
  margin-bottom: 8px;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.entry-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.entry-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 6px;
}
.entry-index .no { display: block; color: var(--ink); font-size: 1.4rem; font-weight: 600; }
.entry-title a { color: var(--ink); }
.entry-title { margin-bottom: 10px; }
.entry-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.entry-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.entry-excerpt { color: var(--text); max-width: var(--measure); }
.entry-thumb {
  margin-top: 16px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.read-more {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.read-more::after { content: " \2192"; }

/* ---------------------------------------------
   SINGLE POST
--------------------------------------------- */
.single-entry-header { max-width: var(--measure); margin: 0 auto 32px; }
.single-entry-header .specimen-tag { margin-bottom: 18px; }
.single-content {
  max-width: var(--measure);
  margin: 0 auto;
}
.single-content h2, .single-content h3 { margin-top: 1.6em; }
.single-content blockquote {
  border-left: 3px solid var(--brass);
  margin: 1.6em 0;
  padding: 0.2em 0 0.2em 1.2em;
  font-style: italic;
  color: var(--text-muted);
}
.single-content pre {
  background: var(--ink);
  color: var(--paper);
  padding: 16px 18px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.single-content code {
  font-family: var(--font-mono);
  background: var(--paper-dim);
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
}
.single-content figure { margin: 2em 0; }
.single-content figcaption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Widgets / sidebar (optional use) */
.widget-area { margin-top: 48px; }

/* ---------------------------------------------
   PAGINATION
--------------------------------------------- */
.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.pagination a { color: var(--ink); }
.pagination a:hover { color: var(--brass); }

/* ---------------------------------------------
   SITE FOOTER
--------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--paper-dim);
  border-top: 3px solid var(--brass);
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding: 52px 24px 32px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--verdigris-dim);
  margin-bottom: 14px;
}
.footer-col p, .footer-col li { color: var(--paper-dim); font-size: 0.92rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: var(--paper-dim); }
.footer-col a:hover { color: var(--brass); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.footer-brand svg { flex-shrink: 0; }
.footer-brand span { font-family: var(--font-display); font-size: 1.1rem; color: var(--paper); }

.footer-bottom {
  border-top: 1px solid rgba(247, 243, 234, 0.12);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--verdigris-dim);
}

/* ---------------------------------------------
   RESPONSIVE
--------------------------------------------- */
@media (max-width: 760px) {
  .entry-card { grid-template-columns: 1fr; }
  .entry-index { display: flex; align-items: center; gap: 8px; padding-top: 0; }
  .entry-index .no { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; padding: 40px 24px 24px; }
  .site-header-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}