/* hermes-agents.fr — Design tokens injectés comme custom properties */
:root {
  /* Colors */
  --page-bg: #0A0E14;
  --surface: #11161D;
  --surface-alt: #1A2129;
  --surface-raised: #222B36;
  --border: #2A3340;
  --border-active: #00E5A0;
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;
  --text-muted: #5C6670;
  --accent: #00E5A0;
  --accent-hover: #00C48C;
  --accent-text: #0A0E14;
  --accent-rare: #7C5CFC;
  --code-bg: #0A0E14;
  --code-text: #E6EDF3;
  --code-accent: #00E5A0;
  --inline-code-bg: #1A2129;
  --link: #00E5A0;
  --link-hover: #00C48C;
  --table-header-bg: #0A0E14;
  --table-header-text: #8B949E;

  /* Typography */
  --heading-font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --body-font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --code-font: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
  --label-font: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
  --font-h1-size: 2rem;
  --font-h1-weight: 700;
  --font-h2-size: 1.5rem;
  --font-h2-weight: 650;
  --font-h3-size: 1.2rem;
  --font-h3-weight: 600;
  --font-body-lg: 1.0625rem;
  --font-body-md: 0.9375rem;
  --font-body-sm: 0.8125rem;
  --font-label: 0.7rem;
  --font-code: 0.85rem;
  --font-breadcrumb: 0.75rem;

  /* Layout */
  --max-width: 1440px;
  --content-width: 1140px;
  --reading-width: 760px;
  --sidebar-width: 260px;
  --padding-desktop: 32px;
  --padding-mobile: 16px;
  --section-gap: 72px;
  --subsection-gap: 48px;
  --header-height: 52px;
  --header-height-mobile: 48px;

  /* Shapes */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-full: 9999px;
  --border-width: 1px;
  --shadow-header: none;
}

/* Reset minimal */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body-font);
  font-size: var(--font-body-md);
  line-height: 1.55;
  background: var(--page-bg);
  color: var(--text-primary);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: var(--surface);
  border-bottom: var(--border-width) solid var(--border);
  box-shadow: var(--shadow-header);
  z-index: 100;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--padding-desktop);
}
.logo {
  font-family: var(--code-font);
  font-weight: var(--font-h2-weight);
  font-size: 1rem;
  color: var(--accent);
  text-decoration: none;
}
.main-nav { display: flex; gap: 14px; flex-wrap: nowrap; align-items: center; justify-content: flex-end; }
.nav-link {
  font-family: var(--label-font);
  font-size: var(--font-label);
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
  white-space: nowrap;
  line-height: 1;
}
.nav-link:hover { color: var(--accent); }

/* Main */
.page-main { padding: var(--padding-desktop) 0 var(--section-gap); }
.content-wrapper {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--padding-desktop);
}

/* Typography */
h1 { font-size: var(--font-h1-size); font-weight: var(--font-h1-weight); line-height: 1.15; letter-spacing: -0.03em; margin: 24px 0 16px; }
h2 { font-size: var(--font-h2-size); font-weight: var(--font-h2-weight); line-height: 1.2; letter-spacing: -0.02em; margin: 32px 0 16px; }
h3 { font-size: var(--font-h3-size); font-weight: var(--font-h3-weight); line-height: 1.25; margin: 24px 0 12px; }
h4 { font-size: 1rem; font-weight: 600; line-height: 1.25; margin: 20px 0 8px; color: var(--text-primary); }
p { margin: 0 0 16px; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

/* Breadcrumb */
.breadcrumb { margin: 0 0 24px; }
.breadcrumb-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.breadcrumb-item { display: inline-flex; align-items: center; gap: 4px; }
.breadcrumb-sep { color: var(--text-muted); font-family: var(--code-font); font-size: var(--font-breadcrumb); }
.breadcrumb-link { font-family: var(--code-font); font-size: var(--font-breadcrumb); color: var(--text-secondary); }
.breadcrumb-current { font-family: var(--code-font); font-size: var(--font-breadcrumb); color: var(--text-primary); font-weight: 500; }

/* Hero */
.hero { margin: 24px 0 40px; }
.hero-subtitle { font-size: var(--font-body-lg); color: var(--text-secondary); }

/* Cards */
.card-grid, .hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.card {
  display: block;
  padding: 16px;
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--border-active); text-decoration: none; }
.card-title { font-size: var(--font-h3-size); font-weight: var(--font-h3-weight); margin: 0 0 8px; color: var(--text-primary); }
.card-desc { font-size: var(--font-body-sm); color: var(--text-secondary); margin: 0; }

/* Related links */
.related-links { margin: 40px 0 24px; padding: 16px; background: var(--surface-alt); border-radius: var(--radius-md); border: var(--border-width) solid var(--border); }
.related-title { font-size: var(--font-h3-size); margin: 0 0 12px; }
.related-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.related-link { font-size: var(--font-body-sm); font-family: var(--code-font); }

/* Source footer */
.source-footer {
  margin: 40px 0 24px;
  padding: 12px 16px;
  background: var(--surface-alt);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
}
.source-text { margin: 0; font-size: var(--font-body-sm); color: var(--text-secondary); font-family: var(--code-font); }
.source-link { color: var(--accent); font-weight: 500; }

/* Placeholder */
.content-placeholder {
  padding: 20px;
  background: var(--surface-alt);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  margin: 24px 0;
}
.placeholder-notice { font-weight: 600; margin-bottom: 12px; color: var(--accent); }
.placeholder-intent, .placeholder-keyword, .placeholder-cluster { font-size: var(--font-body-sm); color: var(--text-secondary); margin: 4px 0; font-family: var(--code-font); }

/* Footer */
.site-footer { border-top: var(--border-width) solid var(--border); padding: 20px 0; background: var(--surface); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--padding-desktop); }
.copyright { font-size: var(--font-body-sm); color: var(--text-muted); margin: 0; font-family: var(--code-font); }

/* Mobile menu (details/summary) — caché en desktop, visible en mobile */
.mobile-menu { display: none; }

@media (max-width: 768px) {
  .card-grid, .hub-grid { grid-template-columns: 1fr; }
  .main-nav--desktop { display: none; }
  .mobile-menu { display: block; }
  .header-inner { padding: 0 var(--padding-mobile); flex-wrap: nowrap; }
  .content-wrapper { padding: 0 var(--padding-mobile); }
}
/* Publication content */
.hero-with-image { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr); gap: clamp(24px, 3vw, 40px); align-items: center; }
.hero-copy { min-width: 0; }
.hero-image { width: 100%; height: clamp(280px, 30vw, 380px); border-radius: var(--radius-lg); border: 1px solid var(--border-active); box-shadow: 0 0 0 1px rgba(0,229,160,.08), 0 22px 60px rgba(0,229,160,.10); object-fit: cover; object-position: center; filter: saturate(.88) contrast(1.04) brightness(.82); }
.article-content { max-width: var(--reading-width); margin: 36px auto 0; }
.article-content h2 { margin-top: 42px; margin-bottom: 12px; font-size: var(--font-h2-size); line-height: 1.2; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.article-content h3 { margin-top: 28px; margin-bottom: 10px; font-size: var(--font-h3-size); color: var(--text-primary); }
.article-content p { color: var(--text-secondary); }
.article-content ul, .article-content ol { color: var(--text-secondary); padding-left: 1.35rem; }
.article-content li { margin: 0.42rem 0; }
.article-content pre { overflow-x: auto; padding: 16px; background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius-md); }
.article-content code { font-family: var(--code-font); font-size: var(--font-code); color: var(--code-text); }
.content-missing { border: 2px solid var(--error); padding: 16px; border-radius: var(--radius-md); }
@media (max-width: 820px) { .hero-with-image { grid-template-columns: 1fr; } .hero-image { order: -1; } }

/* QA mobile overflow guards */
.content-wrapper, .article-content, .card, .source-footer { min-width: 0; overflow-wrap: anywhere; }
.article-content pre, .article-content table { max-width: 100%; overflow-x: auto; }
.article-content img, .hero-image { max-width: 100%; }

/* Header layout: hauteur fixe desktop, auto mobile */
.site-header { height: var(--header-height); min-height: var(--header-height); }
.header-inner { min-height: var(--header-height); padding-top: 0; padding-bottom: 0; flex-wrap: nowrap; gap: 0; }
.logo { flex: 0 0 auto; }
.main-nav { flex: 1 1 auto; justify-content: flex-end; align-items: center; }

/* Mobile menu styles — visible uniquement <=768px */
@media (max-width: 768px) {
  .site-header { position: sticky; height: auto; min-height: var(--header-height-mobile); }
  .header-inner {
    min-height: var(--header-height-mobile);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "logo logo"
      ". menu";
    align-items: center;
    gap: 6px 10px;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .logo {
    grid-area: logo;
    min-width: 0;
    max-width: 100%;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mobile-menu { grid-area: menu; justify-self: end; position: relative; }
  .mobile-menu__toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-secondary);
    font-family: var(--label-font);
    font-size: var(--font-label);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    list-style: none;
    user-select: none;
  }
  .mobile-menu__toggle::-webkit-details-marker { display: none; }
  .mobile-menu__toggle:hover { border-color: var(--border-active); color: var(--accent); }
  .mobile-menu__icon {
    display: inline-block;
    width: 18px;
    height: 2px;
    background: currentColor;
    position: relative;
    flex-shrink: 0;
  }
  .mobile-menu__icon::before,
  .mobile-menu__icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: transform 0.15s;
  }
  .mobile-menu__icon::before { top: -5px; }
  .mobile-menu__icon::after { top: 5px; }
  .mobile-menu[open] .mobile-menu__icon { background: transparent; }
  .mobile-menu[open] .mobile-menu__icon::before { transform: translateY(5px) rotate(45deg); }
  .mobile-menu[open] .mobile-menu__icon::after { transform: translateY(-5px) rotate(-45deg); }

  .mobile-menu__nav {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 220px;
    max-width: calc(100vw - 32px);
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--surface);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 24px rgba(0,0,0,0.4);
    padding: 8px 0;
    z-index: 200;
  }
  .mobile-menu__link {
    display: block;
    padding: 10px 16px;
    font-family: var(--code-font);
    font-size: var(--font-body-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: background 0.1s, color 0.1s;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .mobile-menu__link:hover,
  .mobile-menu__link:focus {
    background: var(--surface-alt);
    color: var(--accent);
  }
}