/* =========================================================
   Revue de Diplomatie Asymétrique — feuille de style principale
   Ton éditorial : revue de droit universitaire, mise en page
   « broadsheet », hiérarchie par filets et numérotation réelle
   (sommaire, volumes) plutôt que par cartes et ombres.
   ========================================================= */

:root {
  --bg: #F7F4EC;
  --bg-alt: #EFEADC;
  --ink: #1C2B4A;
  --ink-soft: #33455E;
  --text: #262420;
  --text-muted: #5B5748;
  --accent: #7A2131;
  --accent-soft: #9A3D4C;
  --rule: #C9BFA0;
  --rule-strong: #A79A6E;
  --gold: #A9812E;
  --paper-shadow: rgba(28, 43, 74, 0.08);

  --font-serif: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --font-sans: 'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;

  --content-width: 1120px;
  --measure: 68ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.4em;
}

p { margin: 0 0 1em; }

.measure { max-width: var(--measure); }

.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0;
}

.rule-strong {
  border: none;
  border-top: 2px solid var(--ink);
  margin: 0;
}

.label {
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.tag {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 8px;
  border-radius: 2px;
  display: inline-block;
}

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

.site-header {
  background: var(--bg);
  padding-top: 22px;
}

.masthead-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding-bottom: 18px;
}

.masthead-top .date-line {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-muted);
}

.brand {
  display: block;
  text-align: center;
  padding: 6px 0 20px;
}

.brand .crest {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 6px;
}

.brand h1 {
  font-size: 42px;
  color: var(--ink);
  margin: 0;
}

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

.brand .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-muted);
  font-size: 15px;
  margin-top: 6px;
}

nav.primary {
  font-family: var(--font-sans);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

nav.primary ul {
  list-style: none;
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  justify-content: center;
}

nav.primary a {
  display: block;
  padding: 12px 16px;
  color: var(--ink);
  font-size: 14.5px;
}

nav.primary a:hover,
nav.primary a[aria-current="page"] {
  color: var(--accent);
  text-decoration: none;
}

nav.primary a[aria-current="page"] {
  border-bottom: 2px solid var(--accent);
  margin-bottom: -1px;
}

.nav-toggle {
  display: none;
}

/* ---------- Hero / home layout ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 56px;
  padding: 48px 0 40px;
}

.hero .kicker {
  font-family: var(--font-sans);
  color: var(--accent);
  font-size: 13.5px;
  margin-bottom: 10px;
}

.hero h2 {
  font-size: 38px;
  margin-bottom: 14px;
}

.hero .dek {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.byline {
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 11px 20px;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover { background: var(--ink); color: var(--bg); text-decoration: none; }

.btn.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }

.btn.pdf {
  border-color: var(--accent);
  color: var(--accent);
}
.btn.pdf:hover { background: var(--accent); color: var(--bg); }

/* sidebar: sommaire du numéro */
.sidebar {
  border-left: 1px solid var(--rule);
  padding-left: 32px;
}

.sidebar h3 {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}

.sidebar .issue-line {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink);
  font-size: 15px;
  margin-bottom: 18px;
}

.toc-list { list-style: none; margin: 0; padding: 0; }

.toc-list li {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}
.toc-list li:first-child { border-top: none; }

.toc-num {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
}

.toc-list h4 {
  font-size: 16.5px;
  margin-bottom: 3px;
}

.toc-list .toc-byline {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ---------- Section headers ---------- */

.section {
  padding: 44px 0;
}

.section.alt { background: var(--bg-alt); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
  margin-bottom: 26px;
}

.section-head h2 { font-size: 24px; margin: 0; }

.section-head .see-all {
  font-family: var(--font-sans);
  font-size: 13.5px;
}

/* ---------- Article list / grid ---------- */

.article-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 22px;
  align-items: baseline;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}
.article-list .article-row:first-child { border-top: none; }

.article-row .num {
  font-family: var(--font-sans);
  color: var(--gold);
  font-size: 13px;
}

.article-row h3 {
  font-size: 19px;
  margin-bottom: 4px;
}

.article-row .meta {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.article-row .excerpt {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0;
}

.article-row .actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  white-space: nowrap;
}

.article-row .actions a {
  font-family: var(--font-sans);
  font-size: 13px;
}

/* ---------- Forum / blog cards (rolling commentary) ---------- */

.forum-item {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.forum-item:first-child { border-top: none; }

.forum-item .label { display: block; margin-bottom: 6px; }
.forum-item h3 { font-size: 20px; }

/* ---------- Page header (interior pages) ---------- */

.page-head {
  padding: 44px 0 30px;
  border-bottom: 2px solid var(--ink);
}

.page-head .kicker {
  font-family: var(--font-sans);
  color: var(--accent);
  font-size: 13.5px;
  margin-bottom: 8px;
}

.page-head h1 { font-size: 34px; }
.page-head .dek { color: var(--text-muted); font-size: 16px; max-width: var(--measure); }

/* ---------- Volume / issue archive accordion ---------- */

.volume-block {
  border-top: 1px solid var(--rule);
  padding: 22px 0;
}
.volume-block:first-child { border-top: none; }

.volume-block summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-sans);
}
.volume-block summary::-webkit-details-marker { display: none; }

.volume-block summary .vol-title {
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: 21px;
}

.volume-block summary .vol-meta {
  color: var(--text-muted);
  font-size: 13px;
}

.volume-block summary::after {
  content: "afficher";
  color: var(--accent);
  font-size: 13px;
  margin-left: 12px;
}
.volume-block[open] summary::after { content: "masquer"; }

.issue-list {
  margin: 16px 0 0;
  padding-left: 0;
  list-style: none;
}
.issue-list li {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-top: 1px dotted var(--rule);
  font-size: 15.5px;
}
.issue-list li:first-child { border-top: none; }
.issue-list .issue-no { color: var(--text-muted); font-family: var(--font-sans); font-size: 13px; }

/* ---------- Article full page ---------- */

.article-full {
  padding: 40px 0 60px;
}
.article-full .kicker {
  font-family: var(--font-sans); color: var(--accent); font-size: 13.5px; margin-bottom: 10px;
}
.article-full h1 { font-size: 36px; max-width: var(--measure); }
.article-full .byline { font-size: 14px; margin: 14px 0 8px; }
.article-full .abstract-box {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
  margin: 24px 0 30px;
  max-width: var(--measure);
}
.article-full .abstract-box .label { display: block; margin-bottom: 8px; }
.article-full .body-text { max-width: var(--measure); font-size: 17.5px; }
.article-full .body-text p { margin-bottom: 1.2em; }
.article-full .dl-panel {
  margin-top: 30px;
  padding: 22px 26px;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  max-width: var(--measure);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.article-full .dl-panel .dl-meta { font-family: var(--font-sans); font-size: 13px; color: var(--text-muted); }

/* ---------- Masthead (comité de rédaction) ---------- */

.committee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 40px;
  margin-top: 10px;
}
.committee-role {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--gold);
  margin-bottom: 4px;
  display: block;
}
.committee-name { font-size: 17px; color: var(--ink); margin-bottom: 2px; }

/* ---------- Forms (abonnement / soumissions) ---------- */

form.journal-form {
  max-width: 520px;
  margin-top: 20px;
}
.field {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--ink-soft);
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--rule-strong);
  background: #fff;
  color: var(--text);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 6px;
}

.confirm-box {
  display: none;
  border-left: 3px solid var(--ink);
  background: var(--bg-alt);
  padding: 16px 20px;
  margin-top: 20px;
  font-family: var(--font-sans);
  font-size: 14px;
}
.confirm-box.visible { display: block; }

/* ---------- Abonnement payant (Stripe) ---------- */

.billing-toggle {
  display: inline-flex;
  border: 1px solid var(--ink);
  margin-bottom: 30px;
}
.billing-toggle .toggle-btn {
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 9px 18px;
  border: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.billing-toggle .toggle-btn.active {
  background: var(--ink);
  color: var(--bg);
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
}
.plan-card { padding-top: 16px; }
.plan-price {
  font-family: var(--font-sans);
  font-size: 21px;
  color: var(--ink);
  margin: 14px 0 18px;
}
.plan-cta { width: 100%; justify-content: center; }

@media (max-width: 880px) {
  .plans-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: #E7E2D2;
  margin-top: 60px;
  padding: 40px 0 28px;
}
.site-footer a { color: #E7E2D2; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(231,226,210,0.25);
}
.footer-grid h4 {
  color: #E7E2D2;
  font-family: var(--font-sans);
  font-size: 13px;
  margin-bottom: 12px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; font-family: var(--font-sans); font-size: 13.5px; }
.footer-bottom {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: #B9B29A;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Utility ---------- */

.center { text-align: center; }
.mt-0 { margin-top: 0; }
.hidden { display: none; }

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; }
  .sidebar { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 28px; }
  .committee-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .article-row { grid-template-columns: 1fr; }
  .article-row .actions { align-items: flex-start; }
  nav.primary ul { justify-content: flex-start; overflow-x: auto; }
  .brand h1 { font-size: 32px; }
}

@media (max-width: 560px) {
  .committee-grid { grid-template-columns: 1fr; }
  .article-full h1 { font-size: 27px; }
  .hero h2 { font-size: 28px; }
}