:root {
  --color-primary: #2E5F7B;
  --color-secondary: #8BB39F;
  --color-bg: #F7F9FA;
  --color-text: #1F2D3D;
  --color-surface: #EAF0F2;
  --color-surface-alt: #EAEDEF;
  --color-border: #D0D4D8;
  --color-text-muted: #606A76;
  --radius-card: 3px;
  --shadow-card: 0 1px 0 rgba(0,0,0,.12);
  --font-heading: Merriweather, Georgia, serif;
  --font-body: Source Sans 3, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-sur-secondary: #1F2D3D;
  --color-sur-primary: #F7F9FA;
  --focus-ring: #2E5F7B;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}
@supports not selector(:focus-visible) {
  :focus { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
}

:root {
  --hgl-primary: #2E5F7B;
  --hgl-secondary: #8BB39F;
  --hgl-bg: #F7F9FA;
  --hgl-text: #1F2D3D;
  --hgl-link: #2E5F7B;
  --hgl-border: #DDE5EA;
  --hgl-muted: #6B7785;
  --hgl-card: #FFFFFF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

.hgl__body {
  background: var(--hgl-bg);
  color: var(--hgl-text);
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  font-size: 17px;
}

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

h1, h2, h3, h4 {
  font-family: Merriweather, Georgia, serif;
  color: var(--hgl-text);
  line-height: 1.3;
}

a { color: var(--hgl-link); }
a:hover { color: var(--hgl-secondary); }

/* Header */
.hgl__header {
  background: var(--hgl-card);
  border-bottom: 2px solid var(--hgl-primary);
  padding: 18px 0;
}
.hgl__header .hgl__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hgl__logo {
  font-family: Merriweather, serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--hgl-primary);
  text-decoration: none;
}
.hgl__nav a {
  margin-left: 28px;
  text-decoration: none;
  font-weight: 600;
  color: var(--hgl-text);
}
.hgl__nav a:hover { color: var(--hgl-primary); }

/* Hero */
.hgl__hero {
  padding: 72px 0 56px;
  text-align: center;
  background: linear-gradient(180deg, var(--hgl-bg) 0%, var(--hgl-card) 100%);
  border-bottom: 1px solid var(--hgl-border);
}
.hgl__hero h1 {
  font-size: 44px;
  color: var(--hgl-primary);
  margin-bottom: 14px;
}
.hgl__tagline {
  color: var(--hgl-muted);
  font-size: 19px;
  font-style: italic;
  max-width: 700px;
  margin: 0 auto;
}

/* Feed */
.hgl__feed { padding: 56px 0 72px; }
.hgl__feed-title {
  font-size: 28px;
  margin-bottom: 40px;
  border-left: 4px solid var(--hgl-secondary);
  padding-left: 16px;
}
.hgl__feed > .hgl__container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px 28px;
}
.hgl__feed > .hgl__container > .hgl__feed-title {
  grid-column: 1 / -1;
  margin-bottom: 0;
}
.hgl__feed article {
  display: flex;
  flex-direction: column;
  background: var(--hgl-card);
  border: 1px solid var(--hgl-border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.hgl__feed article:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(46, 95, 123, 0.12);
}
.hgl__feed article img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.hgl__feed article > div {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.hgl__feed article h2 {
  font-size: 19px;
  line-height: 1.35;
  margin-bottom: 8px;
}
.hgl__feed article h2 a { color: var(--hgl-text); text-decoration: none; }
.hgl__feed article h2 a:hover { color: var(--hgl-primary); }
.hgl__feed article time {
  font-size: 12px;
  color: var(--hgl-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hgl__feed article p {
  margin-top: 10px;
  color: var(--hgl-text);
  font-size: 15px;
  flex: 1;
}
.hgl__feed article p + a {
  display: inline-block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 14px;
  color: var(--hgl-primary);
}

/* Article page */
.hgl__article { padding: 48px 0 64px; }
.hgl__article-inner { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.hgl__article-header h1 {
  font-size: 36px;
  margin-bottom: 14px;
  color: var(--hgl-primary);
  line-height: 1.25;
}
.hgl__article-meta {
  color: var(--hgl-muted);
  font-size: 14px;
  margin-bottom: 32px;
}
.hgl__article-hero {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 10px;
  margin: 0 0 32px;
  display: block;
}
.hgl__article-body { font-size: 18px; }
.hgl__article-body h2 {
  font-size: 26px;
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--hgl-secondary);
}
.hgl__article-body h3 {
  font-size: 21px;
  margin: 28px 0 10px;
  color: var(--hgl-primary);
}
.hgl__article-body p { margin-bottom: 18px; }
.hgl__article-body ul, .hgl__article-body ol { margin: 0 0 18px 28px; }
.hgl__article-body li { margin-bottom: 6px; }
.hgl__article-body blockquote {
  border-left: 4px solid var(--hgl-secondary);
  background: var(--hgl-card);
  padding: 16px 20px;
  color: var(--hgl-muted);
  font-style: italic;
  margin: 24px 0;
  border-radius: 4px;
}
.hgl__article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
}
.hgl__article-body th,
.hgl__article-body td {
  padding: 10px 12px;
  border: 1px solid var(--hgl-border);
  text-align: left;
}
.hgl__article-body th {
  background: var(--hgl-bg);
  font-weight: 600;
}
.hgl__article-sources {
  margin-top: 48px;
  padding: 24px;
  background: var(--hgl-card);
  border-left: 4px solid var(--hgl-primary);
  border-radius: 6px;
  font-size: 15px;
}

/* Callouts (tip, warning) */
.hgl__tip, .hgl__warning {
  background: var(--hgl-card);
  border-radius: 6px;
  padding: 16px 20px;
  margin: 20px 0;
  border-left: 4px solid var(--hgl-secondary);
}
.hgl__warning { border-left-color: #C8553D; }
.hgl__tip strong, .hgl__warning strong { display: block; margin-bottom: 6px; }

/* FAQ */
.hgl__faq { margin: 32px 0; }
.hgl__faq details {
  background: var(--hgl-card);
  border: 1px solid var(--hgl-border);
  border-radius: 6px;
  margin-bottom: 12px;
}
.hgl__faq summary {
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--hgl-primary);
}
.hgl__faq details[open] summary { border-bottom: 1px solid var(--hgl-border); }
.hgl__faq details > *:not(summary) { padding: 14px 20px; }

/* TOC */
.hgl__toc {
  background: var(--hgl-card);
  border: 1px solid var(--hgl-border);
  border-left: 4px solid var(--hgl-primary);
  padding: 18px 22px;
  margin: 24px 0;
  border-radius: 6px;
}
.hgl__toc h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--hgl-primary);
}
.hgl__toc ol { margin-left: 24px; }
.hgl__toc li { margin-bottom: 4px; font-size: 15px; }

/* Breadcrumb */
.hgl__breadcrumb {
  background: var(--hgl-card);
  border-bottom: 1px solid var(--hgl-border);
  padding: 12px 0;
  font-size: 14px;
}
.hgl__breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}
.hgl__breadcrumb li { color: var(--hgl-muted); }
.hgl__breadcrumb li + li::before {
  content: "›";
  margin: 0 10px;
  color: var(--hgl-muted);
  opacity: 0.5;
}
.hgl__breadcrumb a {
  color: var(--hgl-primary);
  text-decoration: none;
}
.hgl__breadcrumb a:hover { text-decoration: underline; }
.hgl__breadcrumb li[aria-current] {
  color: var(--hgl-text);
  font-weight: 600;
  max-width: 500px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Article byline renforcée */
.hgl__article-byline {
  background: var(--hgl-card);
  border-left: 4px solid var(--hgl-primary);
  padding: 14px 18px;
  border-radius: 4px;
  margin: 24px 0 32px;
  font-size: 14px;
  color: var(--hgl-text);
}
.hgl__article-byline strong { color: var(--hgl-primary); }
.hgl__article-byline time { color: var(--hgl-muted); }

/* Disclaimer médical */
.hgl__disclaimer {
  background: #FFF8E7;
  border-left: 4px solid #C98A4B;
  padding: 18px 22px;
  margin: 40px 0 24px;
  border-radius: 6px;
  font-size: 14px;
  color: #5C4521;
}
.hgl__disclaimer strong {
  display: block;
  margin-bottom: 8px;
  color: #8B5A1F;
  font-size: 15px;
}
.hgl__footer-disclaimer {
  max-width: 680px;
  margin: 0 auto 12px;
  font-size: 13px;
  opacity: 0.75;
  text-align: center;
}

/* About page — author card + credentials */
.hgl__about { padding: 48px 0 72px; }
.hgl__about-inner { max-width: 760px; margin: 0 auto; padding: 0 24px; }

.hgl__author-card {
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 28px;
  background: var(--hgl-card);
  border: 1px solid var(--hgl-border);
  border-radius: 10px;
  margin-bottom: 40px;
}
.hgl__author-avatar {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
}
.hgl__author-avatar svg {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.hgl__author-heading h1 {
  font-size: 34px;
  color: var(--hgl-primary);
  margin-bottom: 6px;
}
.hgl__author-title {
  font-size: 17px;
  color: var(--hgl-text);
  font-weight: 600;
  margin-bottom: 4px;
}
.hgl__author-location {
  font-size: 14px;
  color: var(--hgl-muted);
  font-style: italic;
}

.hgl__about-section {
  margin-bottom: 36px;
}
.hgl__about-section h2 {
  font-size: 24px;
  color: var(--hgl-primary);
  margin-bottom: 16px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--hgl-secondary);
}
.hgl__about-section p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 14px;
}

.hgl__credentials {
  background: var(--hgl-card);
  border: 1px solid var(--hgl-border);
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 32px;
}
.hgl__credentials h2 {
  font-size: 22px;
  color: var(--hgl-primary);
  margin-bottom: 18px;
}
.hgl__cred-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hgl__cred-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--hgl-border);
}
.hgl__cred-list li:last-child { border-bottom: none; }
.hgl__cred-list strong {
  display: block;
  font-size: 16px;
  color: var(--hgl-text);
  margin-bottom: 3px;
}
.hgl__cred-list span {
  font-size: 14px;
  color: var(--hgl-muted);
}

.hgl__topics {
  margin-left: 22px;
}
.hgl__topics li {
  padding: 6px 0;
  font-size: 16px;
}

.hgl__editorial-policy {
  background: var(--hgl-card);
  padding: 24px 28px;
  border-radius: 8px;
  border-left: 4px solid var(--hgl-secondary);
}
.hgl__editorial-policy code {
  font-family: monospace;
  font-size: 14px;
  padding: 2px 6px;
  background: var(--hgl-bg);
  border-radius: 3px;
}

@media (max-width: 560px) {
  .hgl__author-card { flex-direction: column; text-align: center; }
  .hgl__breadcrumb li[aria-current] { max-width: 220px; }
}

/* Footer */
.hgl__footer {
  background: var(--hgl-primary);
  color: var(--hgl-card);
  padding: 40px 0 32px;
  margin-top: 48px;
}
.hgl__footer .hgl__author-bio {
  max-width: 680px;
  margin: 0 auto 16px;
  opacity: 0.88;
  font-size: 15px;
}
.hgl__copy { text-align: center; font-size: 13px; opacity: 0.7; }

@media (max-width: 720px) {
  .hgl__hero h1 { font-size: 32px; }
  .hgl__article-header h1 { font-size: 27px; }
  .hgl__feed > .hgl__container { grid-template-columns: 1fr; }
}