/* Bois Rationnel — CSS V1 (premium minimal)
   - sobriété
   - lecture longue
   - "atelier" sans folklore
*/

:root{
  --max: 900px;
  --max-prose: 760px;

  --bg: #FAFAF8;
  --panel: #FFFFFF;
  --text: #151515;
  --muted: #5B6167;
  --border: #E6E2DA;

  --accent: #2F4F3E;
  --accent-2: #6B4F3A;
  --accent-3: #D6B98C;

  /* TECH MODE */
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --font-serif: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; /* <- serif disabled */
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 10px 26px rgba(0,0,0,.06);

  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 26px;
  --space-6: 38px;

  --header-h: 64px; /* valeur fallback, sera remplacée par JS */
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
html {
  scroll-behavior: smooth;
}
body{
  margin:0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a{
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(47,79,62,.35);
  text-underline-offset: 3px;
}
a:hover{
  text-decoration-color: rgba(47,79,62,.8);
}

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-4);
}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250,250,248,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--space-3);
}

.brand{
  font-weight: 750;
  letter-spacing: .2px;
  text-decoration: none;
  display:inline-flex;
  align-items:center;
  gap: 10px;
}
.brand::before{
  content:"";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(214,185,140,.35);
}

/* Nav */
.nav{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}
.nav a{
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: rgba(28,28,28,.85);
}
.nav a:hover{
  border-color: var(--border);
  background: rgba(255,255,255,.7);
  color: rgba(28,28,28,1);
}

/* Hero */
.hero{
  padding: var(--space-6) 0 var(--space-4);
}
.hero h1{
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 2.6vw, 2.55rem);
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  letter-spacing: -.6px;
}
.hero p{
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

/* Buttons */
.hero-actions{
  display:flex;
  gap: 10px;
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  text-decoration:none;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0,0,0,.10);
}
.btn:hover{ filter: brightness(1.03); }
.btn:active{ transform: translateY(1px); }
.btn-ghost{
  background: transparent;
  color: var(--accent);
  border-color: var(--border);
}
.btn-ghost:hover{
  background: rgba(47,79,62,.06);
  border-color: rgba(47,79,62,.20);
}

/* Cards */
.cards{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: none;
}
.card h2, .card h3{
  margin: 0 0 var(--space-1);
  line-height: 1.25;
}
.card p{ margin: var(--space-2) 0 0; color: var(--muted); }

/* Headings */
h1,h2,h3,h4{ color: var(--text); }
h2{
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  font-family: var(--font-sans);
  letter-spacing: -.4px;
}
.h3{ font-size: 1.15rem; margin: 0; }

/* Muted / meta */
.muted{
  color: var(--muted);
  font-size: .95rem;
  margin-top: var(--space-1);
}

/* Prose (article content) */
.post{
  margin-top: var(--space-4);
}
.post h1{
  font-family: var(--font-sans);
  letter-spacing: -.7px;
  line-height: 1.15;
  margin-bottom: var(--space-2);
  font-size: clamp(1.7rem, 2.2vw, 2.2rem);
}
.prose{
  max-width: var(--max-prose);
}
.prose p{
  margin: var(--space-3) 0;
}
.prose h2{
  margin-top: var(--space-6);
}
.prose h3{
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  font-size: 1.15rem;
}
.prose h2[id],
.prose h3[id]{
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* Ancre de titre */
.heading-anchor{
  margin-left: 8px;
  text-decoration: none;
  opacity: 0;
  font-size: .85em;
  color: rgba(0,0,0,.45);
}

.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor{
  opacity: 1;
}

.heading-anchor:hover{
  color: rgba(0,0,0,.9);
}
.prose ul{
  padding-left: 1.1rem;
  margin: var(--space-3) 0;
}
.prose li{
  margin: 6px 0;
}

/* Horizontal rule */
hr{
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--space-5) 0;
}

/* Blockquotes */
.prose blockquote{
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(47,79,62,.20);
  background: rgba(47,79,62,.06);
  border-radius: var(--radius);
  color: rgba(21,21,21,.92);
}
.prose blockquote strong{
  color: rgba(21,21,21,1);
}
.prose blockquote a{
  text-decoration: none;
  border-bottom: 1px solid rgba(47,79,62,.35);
}
.prose blockquote a:hover{
  border-bottom-color: rgba(47,79,62,.85);
}

/* Inline code */
.prose code{
  font-family: var(--font-mono);
  font-size: .95em;
  background: rgba(231,227,220,.65);
  padding: 2px 6px;
  border-radius: 8px;
}

/* Code blocks if you ever add them */
.prose pre{
  font-family: var(--font-mono);
  background: #111;
  color: #f5f5f5;
  padding: var(--space-4);
  border-radius: var(--radius);
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,.08);
}
.prose pre code{
  background: transparent;
  padding: 0;
}

/* Tables */
.prose table{
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display:block;
}
.prose th, .prose td{
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align:left;
}
.prose th{
  background: rgba(214,185,140,.18);
  font-weight: 650;
}
.prose tr:last-child td{ border-bottom: 0; }

.badge{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(214,185,140,.22);
  border: 1px solid var(--border);
  color: rgba(21,21,21,.9);
  font-size: .92rem;
  margin: 8px 0 0;
}
.toc{
  max-width: var(--max-prose);
  background: rgba(47,79,62,.05);
  border: 1px solid rgba(47,79,62,.18);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 14px 0 18px;
}
.toc-title{
  font-weight: 700;
  letter-spacing: -.2px;
  margin-bottom: 8px;
}
.toc-list{
  margin: 0;
  padding-left: 18px;
}
.toc-list li{
  margin: 6px 0;
}
.toc-list li.toc-sub{
  margin-left: 10px;
  opacity: .92;
}
.toc a{
  text-decoration: none;
  border-bottom: 1px solid rgba(47,79,62,.30);
}
.toc a:hover{
  border-bottom-color: rgba(47,79,62,.85);
}

/* newsletter */
.newsletter{
  max-width: var(--max-prose);
  margin: 40px 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(47,79,62,.04);
}

.newsletter h3{
  margin-top: 0;
}

.newsletter form{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.newsletter input{
  flex: 1;
  min-width: 220px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.newsletter button{
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  cursor: pointer;
}

/* Footer */
.site-footer{
  margin-top: var(--space-6);
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
  color: var(--muted);
}
.site-footer a{ text-decoration: none; }
.site-footer a:hover{ text-decoration: underline; }

/* Focus */
:focus-visible{
  outline: 3px solid rgba(47,79,62,.35);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Mobile tweaks */
@media (max-width: 520px){
  .nav a{ padding: 7px 9px; }
  .card{ padding: var(--space-3); }
  .hero{ padding: var(--space-5) 0 var(--space-3); }
}