/* ============================================================
   Hépatites.net — Thème Joornal
   CSS Grid + Flexbox pur
   ============================================================ */

/* --- Google Fonts importées via header.html --- */

/* --- Variables CSS --- */
:root {
  --color-primary:    #1A5C4A;
  --color-primary-dk: #124035;
  --color-secondary:  #F0F7F4;
  --color-accent:     #E8824A;
  --color-accent-dk:  #C96A35;
  --color-text:       #1E2A26;
  --color-text-light: #4A5C55;
  --color-border:     #C8DDD6;
  --color-white:      #FFFFFF;
  --color-cream:      #FAFCFB;

  --font-serif:  'Lora', Georgia, serif;
  --font-sans:   'Source Sans 3', system-ui, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 4px rgba(26,92,74,.08);
  --shadow-md:  0 4px 20px rgba(26,92,74,.12);
  --shadow-lg:  0 8px 40px rgba(26,92,74,.16);

  --max-w:      1280px;
  --max-w-read: 780px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- Utilitaires --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.container--narrow {
  max-width: var(--max-w-read);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 2px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 88px;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  max-width: var(--max-w);
  margin-inline: auto;
}

.site-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.site-nav__logo img {
  height: 72px;
  width: auto;
  display: block;
}

/* Menu wrapper généré par Joornal */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  flex: 1;
}

.nav-menu__item {
  display: flex;
}

.nav-menu__link {
  display: block;
  padding: 0.45rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background .2s, color .2s;
}

.nav-menu__link:hover,
.nav-menu__link:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* Hamburger mobile */
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* Mobile nav */
@media (max-width: 767px) {
  .site-nav__inner { height: 68px; position: relative; }
  .site-nav__logo img { height: 52px; }

  .nav-toggle { display: flex; }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    gap: 0;
    padding: 0.75rem 0;
    align-items: flex-start;
  }

  .nav-menu.is-open { display: flex; }

  .nav-menu__item { width: 100%; }

  .nav-menu__link {
    width: 100%;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    font-size: 1rem;
  }
}

/* ============================================================
   INDEX — Archétype A : Split éditorial 60/40
   ============================================================ */

/* Hero split */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Override below for 60/40 via named areas */
  grid-template-columns: 60fr 40fr;
  min-height: 520px;
  background: var(--color-secondary);
  overflow: hidden;
}

.hero-split__left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  gap: 1.25rem;
}

.hero-split__label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(232,130,74,.1);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  width: fit-content;
}

.hero-split__h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary-dk);
  text-align: left;
}

.hero-split__baseline {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-light);
  font-style: italic;
  line-height: 1.5;
  max-width: 480px;
  text-align: left;
}

.hero-split__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  width: fit-content;
  transition: background .2s, transform .15s;
}

.hero-split__cta:hover {
  background: var(--color-primary-dk);
  transform: translateY(-1px);
}

.hero-split__right {
  position: relative;
  overflow: hidden;
}

.hero-split__right img,
.hero-split__right .hero-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Overlay décoratif sur l'image */
.hero-split__right::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--color-secondary) 0%, transparent 30%);
  pointer-events: none;
}

/* --- Intro / Content section --- */
.index-intro {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.index-intro__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.index-intro .page-content {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 900px;
}

.index-intro .page-content p { margin-bottom: 1rem; }
.index-intro .page-content a { color: var(--color-primary); text-decoration: underline; }

/* --- Showcase section --- */
.index-showcase {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--color-secondary);
}

.index-showcase__header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 0.4rem;
  border-radius: 2px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

@media (max-width: 767px) {
  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-split__right {
    height: 260px;
    order: -1;
  }
  .hero-split__right::after { display: none; }
  .showcase-grid { grid-template-columns: 1fr; }
}

@media (min-width: 768px) and (max-width: 991px) {
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   POST LOOP — Cartes horizontales asymétriques
   ============================================================ */
.post-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s, transform .2s;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.post-card__thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.post-card:hover .post-card__thumb img {
  transform: scale(1.04);
}

.post-card__cat {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  z-index: 2;
  transition: background .2s;
}

.post-card__cat:hover { background: var(--color-accent); }

.post-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.post-card__meta span { display: flex; align-items: center; gap: 0.3rem; }

.post-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  transition: color .2s;
}

.post-card:hover .post-card__title { color: var(--color-primary); }

.post-card__excerpt {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__read {
  margin-top: auto;
  padding-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  transition: color .2s;
}

.post-card__read:hover { color: var(--color-accent); }

.post-card__read::after { content: '→'; }

/* ============================================================
   POST LIST
   ============================================================ */
.post-list-hero {
  background: var(--color-primary);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-bottom: 4px solid var(--color-accent);
}

.post-list-hero__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.post-list-hero__breadcrumb {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 1rem;
}

.post-list-hero__breadcrumb a { color: rgba(255,255,255,.85); }
.post-list-hero__breadcrumb a:hover { color: var(--color-accent); }

.post-list-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.post-list-hero__subtitle {
  margin-top: 0.75rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  font-style: italic;
}

.post-list-content {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.post-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

@media (max-width: 767px) {
  .post-list-grid { grid-template-columns: 1fr; }
}

@media (min-width: 768px) and (max-width: 991px) {
  .post-list-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  transition: background .2s, border-color .2s, color .2s;
}

.pagination a:hover { background: var(--color-secondary); border-color: var(--color-primary); color: var(--color-primary); }
.pagination .active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }

/* ============================================================
   POST DETAIL
   ============================================================ */
.post-header {
  background: var(--color-secondary);
  padding: clamp(2rem, 4vw, 3.5rem) 0 0;
  border-bottom: 1px solid var(--color-border);
}

.post-header__inner {
  max-width: var(--max-w-read);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.post-breadcrumb {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

.post-breadcrumb a { color: var(--color-primary); }
.post-breadcrumb a:hover { color: var(--color-accent); text-decoration: underline; }
.post-breadcrumb span { margin: 0 0.4rem; }

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.post-header__cat {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  transition: background .2s;
}

.post-header__cat:hover { background: var(--color-accent); }

.post-header__date {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.post-header__reading {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.post-header__h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.9rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary-dk);
  margin-bottom: 1.5rem;
  text-align: left;
}

/* Featured image */
.post-thumb {
  max-width: var(--max-w-read);
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.post-thumb img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Article body */
.post-body {
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  background: var(--color-white);
}

.post-body__inner {
  max-width: var(--max-w-read);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* Typographie article */
.post-body__inner .article-content {
  font-family: var(--font-sans);
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--color-text);
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-secondary);
}

.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 2rem 0 0.75rem;
}

.article-content h4 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin: 1.5rem 0 0.5rem;
}

.article-content p { margin-bottom: 1.4rem; }

.article-content a { color: var(--color-primary); text-decoration: underline; }
.article-content a:hover { color: var(--color-accent); }

.article-content ul, .article-content ol {
  list-style: revert;
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}

.article-content li { margin-bottom: 0.4rem; }

.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-secondary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text-light);
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.article-content th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  text-align: left;
}

.article-content td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.article-content tr:nth-child(even) td { background: var(--color-secondary); }

/* Table des matières */
.article-toc {
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.article-toc__title {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Signatory */
.post-signatory {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-secondary);
}

.post-signatory__inner {
  background: var(--color-secondary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.post-signatory__avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-primary);
}

.post-signatory__info { flex: 1; }

.post-signatory__label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.post-signatory__name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dk);
}

.post-signatory__bio {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 0.35rem;
  line-height: 1.5;
}

/* Articles liés */
.post-related {
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  background: var(--color-secondary);
  border-top: 1px solid var(--color-border);
}

.post-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 767px) {
  .post-related__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary-dk);
  color: rgba(255,255,255,.75);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 4px solid var(--color-accent);
}

.site-footer__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.site-footer__logo img {
  height: 48px;
  width: auto;
  opacity: 0.9;
  filter: brightness(0) invert(1);
}

.site-footer__tagline {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: rgba(255,255,255,.55);
  font-style: italic;
}

.site-footer__copy {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: rgba(255,255,255,.5);
  text-align: right;
}

.site-footer__copy a {
  color: rgba(255,255,255,.7);
  text-decoration: underline;
}

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

@media (max-width: 600px) {
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
  .site-footer__copy { text-align: left; }
}

/* ============================================================
   GLOBAL — Éléments partagés
   ============================================================ */
.tag-cat {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  transition: background .2s, color .2s;
}

.tag-cat:hover { background: var(--color-primary); color: var(--color-white); }

/* Icone déco feuille (purement CSS) */
.leaf-deco {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50% 0;
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .post-card { animation: fadeUp .4s ease both; }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}