/* =========================================================
   AFR – Design System CSS (institutionnel / associatif)
   Objectif: sobre, lisible, accessible, non-marchand.
   À injecter dans toutes tes pages: <link rel="stylesheet" href="afr.css">
   ========================================================= */

/* -------------------------
   1) Tokens (variables)
-------------------------- */
:root{
  /* Neutres (fond) */
  --bg: #07090F;            /* bleu nuit très sombre (pas noir pur) */
  --bg2:#05060B;            /* profondeur */
  --surface: rgba(255,255,255,.06);   /* cartes */
  --surface2: rgba(255,255,255,.09);  /* hover / emphasis doux */
  --border: rgba(255,255,255,.10);
  --border2: rgba(255,255,255,.16);

  /* Texte */
  --text: rgba(255,255,255,.90);
  --muted: rgba(255,255,255,.68);
  --faint: rgba(255,255,255,.52);

  /* Accent (1 seule couleur) – institutionnel */
  --accent: #6F7DFF;        /* indigo désaturé */
  --accent-2: rgba(111,125,255,.18);

  /* Typo */
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-title: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Layout */
  --max: 1120px;
  --pad: 20px;

  /* Rythme */
  --r-xs: 10px;
  --r-sm: 14px;
  --r-md: 18px;
  --r-lg: 22px;

  /* Ombres (douces, institutionnelles) */
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --shadow-soft: 0 10px 30px rgba(0,0,0,.35);

  /* Transitions */
  --t: 180ms;
  --t-slow: 420ms;

  /* Tailles texte (clamp = mobile-first) */
  --h1: clamp(32px, 5vw, 52px);
  --h2: clamp(20px, 2.6vw, 28px);
  --h3: clamp(16px, 2vw, 20px);
  --p: 16px;
  --small: 14px;

  /* Accessibilité focus */
  --focus: 0 0 0 3px rgba(111,125,255,.35);
}

/* -------------------------
   2) Reset + bases
-------------------------- */
*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--p);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
:focus-visible{ outline: none; box-shadow: var(--focus); border-radius: 10px; }

::selection{ background: rgba(111,125,255,.25); }

/* Background “éditorial” (discret, pas crypto) */
.afr-bg{
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 520px at 20% 10%, rgba(111,125,255,.14), transparent 60%),
    radial-gradient(900px 520px at 80% 30%, rgba(255,255,255,.05), transparent 62%),
    linear-gradient(180deg, var(--bg2), var(--bg) 45%, var(--bg2));
}

/* Conteneur */
.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* -------------------------
   3) Typographie
-------------------------- */
h1,h2,h3{
  font-family: var(--font-title);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
h1{ font-size: var(--h1); line-height: 1.06; }
h2{ font-size: var(--h2); line-height: 1.2; }
h3{ font-size: var(--h3); line-height: 1.3; }

p{ margin: 0 0 14px; }
.small{ font-size: var(--small); color: var(--muted); }
.muted{ color: var(--muted); }
.faint{ color: var(--faint); }
.kicker{
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Titres “institutionnels” (sans hype) */
.lead{
  font-size: 17px;
  color: var(--muted);
  max-width: 70ch;
}

/* -------------------------
   4) Sections & grille
-------------------------- */
.section{ padding: 56px 0; }
.section--tight{ padding: 34px 0; }

.grid{
  display: grid;
  gap: 16px;
}
.grid-2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4{ grid-template-columns: repeat(4, minmax(0,1fr)); }

.stack{ display:flex; flex-direction: column; gap: 12px; }
.row{ display:flex; align-items:center; gap: 12px; flex-wrap: wrap; }
.spread{ display:flex; align-items:center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* -------------------------
   5) Cards (verre discret)
-------------------------- */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}
.card--pad{ padding: 18px; }
.card--pad-lg{ padding: 22px; }
.card:hover{
  background: var(--surface2);
  border-color: var(--border2);
  transition: background var(--t) ease, border-color var(--t) ease, transform var(--t) ease;
}
.card--plain{
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

/* Listes propres */
ul.clean{
  list-style: none;
  padding: 0;
  margin: 0;
}
ul.clean li{
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
ul.clean li:last-child{ border-bottom: 0; }

/* -------------------------
   6) Navigation (sobre)
-------------------------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,9,15,.68);
  border-bottom: 1px solid rgba(255,255,255,.07);
  backdrop-filter: blur(14px);
}
.nav__inner{
  height: 76px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  transition: height var(--t) ease;
}
.nav.is-compact .nav__inner{ height: 60px; }

.brand{
  display:flex; align-items:center; gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand__badge{
  width: 36px; height: 36px;
  border-radius: 12px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.10);
  display:grid; place-items:center;
}
.nav__links{
  display:flex; align-items:center; gap: 6px;
  font-size: 14px;
  color: var(--muted);
}
.nav__links a{
  padding: 10px 12px;
  border-radius: 12px;
}
.nav__links a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
  text-decoration: none;
}
.nav__links a[aria-current="page"]{
  background: rgba(111,125,255,.14);
  border: 1px solid rgba(111,125,255,.25);
  color: var(--text);
  text-decoration: none;
}

/* -------------------------
   7) Boutons (non marchands)
-------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform var(--t) ease, background var(--t) ease, border-color var(--t) ease;
  text-decoration: none !important;
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
}
.btn:active{ transform: translateY(0px); }

.btn--primary{
  background: linear-gradient(135deg, rgba(111,125,255,.92), rgba(111,125,255,.55));
  border-color: rgba(111,125,255,.55);
}
.btn--primary:hover{
  background: linear-gradient(135deg, rgba(111,125,255,.98), rgba(111,125,255,.62));
}

.btn--ghost{
  background: transparent;
  border-color: rgba(255,255,255,.14);
}
.btn--small{ padding: 9px 12px; border-radius: 12px; }

/* Badges / pills */
.pill{
  display:inline-flex; align-items:center; gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  color: var(--muted);
  font-size: 13px;
}

/* -------------------------
   8) Formulaires
-------------------------- */
.input, textarea, select{
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 14px;
  outline: none;
}
textarea{ min-height: 120px; resize: vertical; }
.input:focus, textarea:focus, select:focus{
  box-shadow: var(--focus);
  border-color: rgba(111,125,255,.38);
}
label{ display:block; margin: 0 0 8px; color: var(--muted); font-size: 13px; }

/* -------------------------
   9) Tables (documents / technique)
-------------------------- */
.table{
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.10);
}
.table th, .table td{
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  text-align: left;
  vertical-align: top;
}
.table th{
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255,255,255,.04);
}
.table tr:hover td{ background: rgba(255,255,255,.04); }

/* -------------------------
   10) Footer
-------------------------- */
.footer{
  padding: 30px 0 42px;
  border-top: 1px solid rgba(255,255,255,.07);
  color: var(--muted);
  font-size: 14px;
}
.footer a{ color: var(--text); text-decoration: none; }
.footer a:hover{ text-decoration: underline; }

/* -------------------------
   11) Composants “association”
-------------------------- */
/* Bloc “clarification” (utile: organisons vs mettons en visibilité) */
.notice{
  border-left: 3px solid rgba(111,125,255,.55);
  background: rgba(111,125,255,.10);
  border-radius: var(--r-md);
  padding: 14px 16px;
  color: var(--text);
}
.notice .kicker{ color: rgba(255,255,255,.78); }

/* Timeline simple */
.timeline{
  display: grid;
  gap: 12px;
}
.timeline__item{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding: 14px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}
.timeline__date{
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.timeline__title{ font-weight: 700; margin-bottom: 4px; }

/* KPI “non marketing” (indicateurs d’action, pas de performance) */
.metric{
  padding: 16px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}
.metric__value{
  font-size: 34px;
  line-height: 1;
  font-weight: 750;
  letter-spacing: -0.02em;
}
.metric__label{ margin-top: 8px; color: var(--muted); font-size: 13px; }

/* -------------------------
   12) Animations sobres & accessibles
-------------------------- */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--t-slow) ease, transform var(--t-slow) ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: none;
}

/* Réduction du mouvement */
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; }
  .reveal{ opacity: 1; transform:none; transition:none; }
  .btn{ transition:none; }
}

/* -------------------------
   13) Responsive
-------------------------- */
@media (max-width: 900px){
  .nav__links{ display:none; } /* menu mobile à gérer en JS si tu veux */
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .timeline__item{ grid-template-columns: 1fr; }
}

/* -------------------------
   14) Utilitaires
-------------------------- */
.hr{ border:0; height:1px; background: rgba(255,255,255,.07); margin: 18px 0; }
.center{ text-align:center; }
.right{ text-align:right; }
.max-ch{ max-width: 72ch; }
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.mt-1{ margin-top:10px; } .mt-2{ margin-top:18px; } .mt-3{ margin-top:28px; }
.mb-1{ margin-bottom:10px; } .mb-2{ margin-bottom:18px; } .mb-3{ margin-bottom:28px; }