/* ============================================================
   Santé-net — main.css
   Framework : CSS Grid + Flexbox pur
   Archétype index : B — Magazine éditorial pleine largeur
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --color-primary:    #1a6b8a;
  --color-primary-dk: #135470;
  --color-secondary:  #e8f4f8;
  --color-accent:     #2eaa72;
  --color-accent-dk:  #228c5c;
  --color-text:       #2c3e50;
  --color-text-light: #5a7080;
  --color-border:     #c8dde6;
  --color-white:      #ffffff;
  --color-bg:         #f7fbfd;
  --color-nav-bg:     #ffffff;
  --color-footer-bg:  #1a3040;
  --color-footer-text:#b8d4de;

  --font-serif:  'Merriweather', Georgia, serif;
  --font-sans:   'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;

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

  --shadow-sm:   0 1px 3px rgba(26,107,138,.10);
  --shadow-md:   0 4px 16px rgba(26,107,138,.13);
  --shadow-lg:   0 8px 32px rgba(26,107,138,.16);

  --container-w: 1200px;
  --content-w:   740px;
  --gap:         2rem;
}

/* ── Reset minimal ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }
ul, ol { list-style: none; }

/* ── Utilitaires ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.container--narrow {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.tag {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .2em .65em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: background .2s, color .2s;
}
.tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 700;
  padding: .6em 1.4em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s;
  border: none;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-primary-dk);
  color: var(--color-white);
  transform: translateY(-1px);
}
.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn--accent:hover {
  background: var(--color-accent-dk);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-nav-bg);
  border-bottom: 2px solid var(--color-secondary);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 88px;
  padding-block: 1rem;
}
.nav-logo img {
  height: 72px;
  width: auto;
  display: block;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
}
.nav-menu a {
  font-family: var(--font-sans);
  font-size: .92rem;
  font-weight: 600;
  color: var(--color-text);
  padding: .5rem .9rem;
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
  letter-spacing: .02em;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
  background: var(--color-secondary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* Burger mobile */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all .3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.5rem 1.5rem;
  gap: .25rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  padding: .6rem .5rem;
  border-bottom: 1px solid var(--color-secondary);
  transition: color .2s;
}
.nav-mobile a:hover { color: var(--color-primary); }

/* ── Bandeau de rubrique (post-list hero) ───────────────────── */
.section-band {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}
.section-band::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.section-band::after {
  content: '';
  position: absolute;
  left: 30%;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(46,170,114,.12);
}
.section-band__label {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  margin-bottom: .6rem;
}
.section-band__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: .75rem;
}
.section-band__desc {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  max-width: 560px;
}
.breadcrumb-band {
  font-size: .83rem;
  color: rgba(255,255,255,.55);
  margin-bottom: .8rem;
}
.breadcrumb-band a {
  color: rgba(255,255,255,.75);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── INDEX — Archétype B ────────────────────────────────────── */

/* A. Label discret + thumbnail bannière pleine largeur */
.index-label {
  padding: 2rem 0 1.2rem;
  border-bottom: 1px solid var(--color-border);
}
.index-label__eyebrow {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .35rem;
}
.index-label__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-text);
  text-align: left;
}
.index-baseline {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text-light);
  margin-top: .35rem;
}

/* Bannière thumbnail */
.index-banner {
  width: 100%;
  overflow: hidden;
  max-height: 480px;
  background: var(--color-secondary);
  position: relative;
}
.index-banner img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}
.index-banner-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(26,48,64,.55), transparent);
  pointer-events: none;
}

/* B. Contenu présentation — pleine largeur centrée */
.index-content-section {
  padding: 3rem 0 2.5rem;
  border-bottom: 3px solid var(--color-secondary);
}
.index-content-inner {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.index-content-inner p,
.index-content-inner ul,
.index-content-inner ol {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 1.1rem;
}
.index-content-inner h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1.8rem 0 .75rem;
}
.index-content-inner a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Showcase d'articles ────────────────────────────────────── */
.showcase-section {
  padding: 3rem 0 4rem;
}
.showcase-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
}
.showcase-section__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: .01em;
}
.showcase-section__title span {
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--color-accent);
  vertical-align: middle;
  margin-right: .5em;
  border-radius: 2px;
}

/* Grille showcase */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ── Post-loop card ─────────────────────────────────────────── */
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow .25s, transform .25s;
}
.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.article-card__thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-secondary);
}
.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.article-card:hover .article-card__thumb img {
  transform: scale(1.04);
}
.article-card__body {
  padding: 1.2rem 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .5rem;
}
.article-card__meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.article-card__date {
  font-family: var(--font-sans);
  font-size: .78rem;
  color: var(--color-text-light);
}
.article-card__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  transition: color .2s;
  flex: 1;
}
.article-card__title:hover { color: var(--color-primary); }
.article-card__excerpt {
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--color-text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card__read {
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px solid var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.article-card__read a {
  font-family: var(--font-sans);
  font-size: .82rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: .03em;
  display: flex;
  align-items: center;
  gap: .3em;
}
.article-card__read a::after { content: '→'; }
.article-card__read a:hover { color: var(--color-primary); }

/* ── Post-list ──────────────────────────────────────────────── */
.post-list-section {
  padding: 3.5rem 0 5rem;
}
.post-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

/* ── Pagination ─────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  gap: .4rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}
.pagination a,
.pagination span {
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-white);
  transition: background .2s, color .2s, border-color .2s;
}
.pagination a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.pagination .active,
.pagination span.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ── Post (article) ─────────────────────────────────────────── */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3.5rem;
  padding: 3rem 0 5rem;
  align-items: start;
}
.post-main {}
.post-aside {
  position: sticky;
  top: 108px;
}

/* Post header */
.post-header {
  margin-bottom: 2rem;
}
.post-header__meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.post-header__date {
  font-family: var(--font-sans);
  font-size: .83rem;
  color: var(--color-text-light);
}
.post-header__reading {
  font-family: var(--font-sans);
  font-size: .83rem;
  color: var(--color-text-light);
}
.post-header__reading::before { content: '·'; margin-right: .5em; }
.post-header__h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1rem;
  text-align: left;
}
.post-header__intro {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--color-text-light);
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
  line-height: 1.7;
}

/* Thumbnail post */
.post-thumbnail {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 16/7;
  background: var(--color-secondary);
}
.post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Post body */
.post-body {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
}
.post-body h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--color-secondary);
}
.post-body h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 2rem 0 .75rem;
}
.post-body h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.5rem 0 .5rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.post-body p { margin-bottom: 1.25rem; }
.post-body ul,
.post-body ol {
  margin: 0 0 1.25rem 1.5rem;
  list-style: disc;
}
.post-body ol { list-style: decimal; }
.post-body li { margin-bottom: .4rem; }
.post-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-body a:hover { color: var(--color-accent); }
.post-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--color-secondary);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-primary);
}
.post-body img {
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}
.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: .95rem;
}
.post-body th,
.post-body td {
  padding: .65rem .9rem;
  border: 1px solid var(--color-border);
  text-align: left;
}
.post-body th {
  background: var(--color-secondary);
  font-weight: 700;
  color: var(--color-primary);
}
.post-body tr:nth-child(even) td { background: #f4f9fb; }
.post-body code {
  background: var(--color-secondary);
  padding: .15em .45em;
  border-radius: var(--radius-sm);
  font-size: .9em;
}
.post-body pre {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: .92rem;
  margin-bottom: 1.5rem;
}

/* Table des matières */
.toc-box {
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}
.toc-box__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .85rem;
  display: flex;
  align-items: center;
  gap: .4em;
}
.toc-box__title::before {
  content: '§';
  font-size: 1.1em;
  color: var(--color-accent);
}

/* Signatory / auteur */
.post-signatory {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--color-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}
.post-signatory__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.5rem;
  color: var(--color-white);
}
.post-signatory__text {}
.post-signatory__label {
  font-family: var(--font-sans);
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: .25rem;
}
.post-signatory__name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}
.post-signatory__bio {
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--color-text-light);
  margin-top: .35rem;
  line-height: 1.6;
}

/* Articles liés */
.related-section {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-secondary);
}
.related-section__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5em;
}
.related-section__title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--color-accent);
  border-radius: 2px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* Aside widgets */
.aside-widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.3rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.aside-widget__title {
  font-family: var(--font-serif);
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: .6rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .82rem;
}
.aside-widget p,
.aside-widget li {
  font-family: var(--font-sans);
  font-size: .88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Breadcrumb (post.html) */
.breadcrumb-bar {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-secondary);
  margin-bottom: 0;
  background: var(--color-white);
}
.breadcrumb-bar nav {
  font-family: var(--font-sans);
  font-size: .82rem;
  color: var(--color-text-light);
}
.breadcrumb-bar nav a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.breadcrumb-bar nav a:hover { color: var(--color-accent); }

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 2.5rem 0;
  margin-top: auto;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--font-sans);
  font-size: .82rem;
  color: var(--color-footer-text);
}
.footer-copy a {
  color: var(--color-color-footer-text);
  text-decoration: underline;
  opacity: .75;
}
.footer-copy a:hover { opacity: 1; color: var(--color-white); }
.footer-logo img {
  height: 48px;
  width: auto;
  opacity: .75;
  filter: brightness(2);
}
.footer-tagline {
  font-family: var(--font-sans);
  font-size: .82rem;
  color: rgba(184,212,222,.65);
  font-style: italic;
}

/* ── Accent bar (top de page) ───────────────────────────────── */
.accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .post-layout {
    grid-template-columns: 1fr;
  }
  .post-aside {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}
@media (max-width: 900px) {
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-menu { display: none; }
  .nav-burger { display: flex; }
  .nav-actions { display: none; }
}
@media (max-width: 680px) {
  .showcase-grid,
  .post-list-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }
  .post-aside {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .section-band { padding: 2.5rem 0 2rem; }
  .index-banner img { height: 260px; }
  .index-banner { max-height: 260px; }
  .post-header__h1 { font-size: 1.6rem; }
  .post-signatory { flex-direction: column; }
}
@media (max-width: 400px) {
  .nav-logo img { height: 52px; }
  .container, .container--narrow { padding-inline: 1rem; }
}