:root {
  --font: "Source Serif 4", "Georgia", "Times New Roman", serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
  /* Vert tiré du favicon site (cropped-favicon.png) */
  --brand: #006821;
  --ink: #141820;
  --muted: #4a5568;
  --bg: #f7f4ef;
  --card: #fffefb;
  --line: #e2ddd4;
  --accent: #1e4d6b;
  --accent-soft: #2d6a8f;
  --max: 42rem;
  --wide: 72rem;
  --layout: min(92rem, calc(100vw - 2rem));
}

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

html {
  font-size: 106%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-soft);
}

img {
  max-width: 100%;
  height: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.site-header__inner {
  max-width: var(--layout);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  margin: 0;
  line-height: 0;
}

.site-title__link {
  display: inline-block;
  color: var(--brand);
  text-decoration: none;
}

.site-title__link:hover {
  color: var(--accent);
}

.site-title__svg {
  display: block;
  height: 3.7rem;
  width: auto;
  max-width: min(100vw - 2rem, 30rem);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
}

.site-nav__link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--accent);
}

.site-nav__dropdown {
  position: relative;
}

.site-nav__dropdown-summary {
  list-style: none;
  cursor: pointer;
  color: var(--muted);
  font-weight: 500;
  font-family: inherit;
  font-size: inherit;
}

.site-nav__dropdown-summary::-webkit-details-marker {
  display: none;
}

.site-nav__dropdown-summary::marker {
  content: "";
}

.site-nav__dropdown[open] > .site-nav__dropdown-summary,
.site-nav__dropdown-summary:hover {
  color: var(--accent);
}

.site-nav__dropdown-panel {
  position: absolute;
  left: 0;
  top: calc(100% + 0.35rem);
  min-width: 12.5rem;
  max-width: min(20rem, 85vw);
  margin: 0;
  padding: 0.35rem 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(20, 24, 32, 0.12);
  z-index: 60;
}

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

.site-nav__dropdown-list li {
  margin: 0;
}

.site-nav__dropdown-link {
  display: block;
  padding: 0.45rem 1rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.site-nav__dropdown-link:hover,
.site-nav__dropdown-link[aria-current="page"] {
  color: var(--accent);
  background: rgba(30, 77, 107, 0.06);
}

.site-nav__dropdown-empty {
  margin: 0;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.layout-shell {
  max-width: var(--layout);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.site-main {
  max-width: none;
  margin: 0;
  padding: 2rem 0 0;
  min-width: 0;
}

/* Bloc articles / liste + aside Brèves sur la même ligne */
.layout-main-with-aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(11.5rem, 16.5rem);
  gap: 1.5rem 2rem;
  align-items: start;
}

.layout-main-with-aside__primary {
  min-width: 0;
}

@media (max-width: 52rem) {
  .layout-main-with-aside {
    grid-template-columns: 1fr;
  }

  .aside-stack {
    position: static;
    order: 1;
  }

  .layout-main-with-aside__primary {
    order: 0;
  }
}

.aside-stack {
  position: sticky;
  top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-family: var(--font-sans);
}

.aside-block {
  padding: 1rem 1.1rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.aside__title {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

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

.aside__list li {
  margin-bottom: 0.7rem;
  padding-left: 0.35rem;
  font-size: 0.88rem;
  line-height: 1.35;
}

.aside__list li:last-child {
  margin-bottom: 0;
}

.aside__list a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.aside__list a:hover {
  color: var(--accent);
}

.aside__empty {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}

.hero {
  max-width: var(--max);
  margin-bottom: 2.75rem;
}

.hero__baseline {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
  line-height: 1.5;
}

.section-title {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 2.5rem 0 1rem;
}

.pub-grid {
  display: grid;
  gap: 1rem 1.1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 58rem) {
  .pub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 40rem) {
  .pub-grid {
    grid-template-columns: 1fr;
  }
}

.pub-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pub-card__img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  object-position: center;
  background: var(--line);
}

.pub-card__body {
  padding: 0.75rem 0.85rem 0.95rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pub-card__title {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  line-height: 1.35;
}

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

.pub-card__title a:hover {
  color: var(--accent);
}

.pub-card__meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: auto;
}

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

.pub-list li {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.pub-list a {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}

.pub-list a:hover {
  color: var(--accent);
}

.pub-list__meta {
  display: block;
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.article {
  max-width: var(--max);
  margin: 0 auto;
}

.article__meta {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.article h1 {
  font-family: var(--font-sans);
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

.article .lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.article .exergue {
  font-size: 1.05rem;
  font-style: italic;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 0 0 2rem;
  color: var(--ink);
}

.article__content {
  font-size: 1.02rem;
}

.article__content h2,
.article__content h3,
.article__content h4 {
  font-family: var(--font-sans);
  margin-top: 2rem;
}

/* Page lecture article */
.article--reading {
  max-width: min(40rem, 100%);
}

.article__breadcrumb {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.article__breadcrumb a {
  color: var(--muted);
  font-weight: 500;
}

.article__breadcrumb a:hover {
  color: var(--accent);
}

.article__breadcrumb-sep {
  margin: 0 0.35rem;
  opacity: 0.65;
}

.article__header {
  margin-bottom: 0.25rem;
}

.article--reading .article__meta {
  margin-bottom: 1.25rem;
}

.article__cover {
  margin: 0 0 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.article__cover img {
  display: block;
  width: 100%;
  height: auto;
}

.article__exergue {
  margin-top: 0;
  margin-bottom: 2rem;
}

.article__content--prose {
  line-height: 1.72;
}

.article__content--prose > *:first-child {
  margin-top: 0;
}

.article__content--prose p {
  margin: 0 0 1.1em;
}

.article__content--prose a {
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.article__content--prose a:hover {
  color: var(--accent-soft);
}

.article__content--prose ul,
.article__content--prose ol {
  margin: 0 0 1.15em;
  padding-left: 1.35em;
}

.article__content--prose li {
  margin-bottom: 0.35em;
}

.article__content--prose blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}

.article__content--prose img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.article__content--prose figure {
  margin: 1.75rem 0;
}

.article__content--prose pre,
.article__content--prose code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.92em;
}

.article__content--prose pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  line-height: 1.5;
}

.article__footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.article__back {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.article__back a {
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.25rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--muted);
}