/* =====================================================================
   Ce qui écrit avant l'auteur
   What Writes Before the Author
   Stylesheet — databaz.org/unconscious-completion/
   ===================================================================== */

/* ---------- Variables ---------- */
:root {
  /* Fontes */
  --font-display: 'Cormorant Garamond', 'EB Garamond', Garamond, 'Times New Roman', serif;
  --font-body:    'Inter Tight', 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;

  /* Palette neutre */
  --ink:          #1a1a1a;
  --ink-soft:     #3a3a3a;
  --paper:        #fafaf7;
  --paper-soft:   #f3f2ec;
  --rule:         #c9c8c1;
  --rule-soft:    #e3e2db;
  --highlight:    #f5e5b0;

  /* Couleurs sémantiques par modèle (cohérence sur tout le site) */
  --c-mistral:    #c4413a;     /* rouge brique */
  --c-llama:      #d68a3c;     /* ocre */
  --c-qwen:       #5a8b6f;     /* vert mousse */
  --c-gemma:      #4a6b8f;     /* bleu profond */
  --c-olmo:       #8a5a8c;     /* violet */
  --c-deepseek:   #2c2c2c;     /* anthracite */

  /* Espace */
  --col-max:      72rem;
  --col-read:     38rem;
  --pad-page-x:   2.5rem;
  --pad-page-y:   3rem;

  /* Transitions */
  --t-fast:       150ms ease;
  --t-med:        300ms ease;
}

/* ---------- Reset light ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; padding: 0; }

/* ---------- Base ---------- */
html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Toggle de langue : afficher/masquer ---------- */
body.lang-fr [data-lang="en"] { display: none !important; }
body.lang-en [data-lang="fr"] { display: none !important; }

/* ---------- Layout principal ---------- */
.page {
  max-width: var(--col-max);
  margin: 0 auto;
  padding: var(--pad-page-y) var(--pad-page-x);
}

.reading-col {
  max-width: var(--col-read);
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background-color: rgba(250, 250, 247, 0.92);
}

.site-header__inner {
  max-width: var(--col-max);
  margin: 0 auto;
  padding: 0.9rem var(--pad-page-x);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-header__brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-header__brand:hover { color: var(--c-mistral); }

.site-nav {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: var(--t-fast);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- Toggle de langue ---------- */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.lang-toggle button {
  background: none;
  border: none;
  padding: 0.2rem 0.4rem;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--ink-soft);
  cursor: pointer;
  border-radius: 2px;
  transition: var(--t-fast);
}

.lang-toggle button.active {
  color: var(--paper);
  background: var(--ink);
}

.lang-toggle button:hover:not(.active) {
  color: var(--ink);
}

.lang-toggle .sep {
  opacity: 0.4;
}

/* ---------- Typographie de titre ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.15;
  margin: 0;
}

.hero {
  padding-top: 4rem;
  padding-bottom: 3.5rem;
}

.hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-style: italic;
  font-weight: 400;
  margin-bottom: 0.8rem;
  max-width: 22ch;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  font-style: normal;
  font-weight: 400;
  color: var(--ink-soft);
  max-width: 36ch;
  line-height: 1.35;
  margin-bottom: 2.5rem;
}

.hero__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding-top: 1.8rem;
  border-top: 1px solid var(--rule);
}

.hero__meta dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 1.5rem;
  row-gap: 0.5rem;
  margin: 0;
}

.hero__meta dt {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.68rem;
  color: var(--ink-soft);
}

.hero__meta dd {
  margin: 0;
  color: var(--ink);
}

/* ---------- Sections ---------- */
section {
  padding-top: 3rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--rule);
}

.section__head {
  margin-bottom: 2rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.section__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.section__title {
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-style: italic;
}

p {
  margin: 0 0 1.1em;
  max-width: var(--col-read);
}

p.lead {
  font-size: 1.12rem;
  line-height: 1.55;
  font-family: var(--font-display);
  font-weight: 400;
}

strong { font-weight: 600; }

em { font-style: italic; }

/* ---------- Liens dans le texte ---------- */
p a, li a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: var(--t-fast);
}

p a:hover, li a:hover {
  border-bottom-color: var(--ink);
}

/* ---------- Citations ---------- */
blockquote {
  border-left: 2px solid var(--ink);
  padding: 0.4rem 0 0.4rem 1.4rem;
  margin: 2rem 0;
  max-width: var(--col-read);
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

blockquote cite {
  display: block;
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-style: normal;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

/* ---------- Cartes de modules (index) ---------- */
.modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--rule);
}

.module-card {
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: var(--t-med);
  background: var(--paper);
}

.module-card:last-child { border-right: none; }
.module-card:hover {
  background: var(--paper-soft);
}

.module-card__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.module-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.2;
}

.module-card__desc {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.5;
  max-width: none;
  margin: 0;
}

.module-card__cta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  align-self: flex-start;
  padding-bottom: 1px;
}

/* ---------- Légende des modèles ---------- */
.model-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.model-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.model-legend__swatch {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  display: inline-block;
}

.model-legend__swatch.mistral  { background: var(--c-mistral); }
.model-legend__swatch.llama    { background: var(--c-llama); }
.model-legend__swatch.qwen     { background: var(--c-qwen); }
.model-legend__swatch.gemma    { background: var(--c-gemma); }
.model-legend__swatch.olmo     { background: var(--c-olmo); }
.model-legend__swatch.deepseek { background: var(--c-deepseek); }

/* ---------- Tables ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin: 1.5rem 0;
}

.data-table th,
.data-table td {
  padding: 0.55rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--rule-soft);
}

.data-table th {
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
}

.data-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2.5rem var(--pad-page-x);
  margin-top: 4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.site-footer__inner {
  max-width: var(--col-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px dotted var(--rule);
}

.site-footer a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  :root {
    --pad-page-x: 1.25rem;
    --pad-page-y: 2rem;
  }

  html { font-size: 16px; }

  .site-header__inner {
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
  }

  .site-nav {
    gap: 1rem;
    font-size: 0.8rem;
  }

  .hero {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .modules {
    grid-template-columns: 1fr;
  }

  .module-card {
    border-right: none;
  }

  blockquote {
    margin-left: 0;
    padding-left: 1rem;
  }
}