/* =========================================================
   Société Idéale — styles.css
   Palette douce, layout responsive, mode sombre automatique
   ========================================================= */

/* ---------- Variables & Reset ---------- */
:root{
  --bg: #0f1320;
  --bg-elev: #141a2b;
  --text: #e9ecf4;
  --muted: #b9c1d9;
  --line: rgba(255,255,255,.08);
  --accent: #66e0a3;
  --accent-600: #38cf87;
  --accent-700: #29b274;
  --accent-900: #126247;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
}

*,
*::before,
*::after{ box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
}

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(102,224,163,.15), transparent 60%),
    radial-gradient(1200px 700px at 100% 0%, rgba(102,224,163,.10), transparent 50%),
    linear-gradient(180deg, #0b0f1a 0%, #0f1320 100%);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img{ max-width: 100%; display: block; }

a{
  color: var(--accent);
  text-decoration: none;
}
a:hover{ text-decoration: underline; }

h1, h2, h3{
  line-height: 1.15;
  margin: 0 0 .6rem 0;
}
h1{ font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.02em; }
h2{ font-size: clamp(1.4rem, 2.5vw, 2rem); letter-spacing: -.01em; margin-top: .2rem; }
h3{ font-size: clamp(1.15rem, 1.8vw, 1.35rem); font-weight: 650; }

p{ margin: 0 0 1rem 0; color: var(--muted); }

small, .small{ font-size: .9rem; color: var(--muted); }

hr{
  border: none;
  height: 1px;
  background: var(--line);
  margin: 1.25rem 0;
}

/* ---------- Layout ---------- */
.container{
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 0 0;
}

.section{
  padding: 64px 0;
}

.section.compact{
  padding: 40px 0;
}

/* ---------- Header / Navigation ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(150%) blur(6px);
  background: linear-gradient(to bottom, rgba(15,19,32,.8), rgba(15,19,32,.55));
  border-bottom: 1px solid var(--line);
}

.navbar{
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 14px 0;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  letter-spacing: .2px;
}

.brand-logo{
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 30% 30%, #66e0a3, #2bc07e 60%, #1b8c61 100%);
  box-shadow: 0 6px 18px rgba(102,224,163,.35), inset 0 0 0 1px rgba(0,0,0,.35);
}

.nav{
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.nav a{
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text);
  opacity: .9;
}
.nav a:hover{
  background: rgba(255,255,255,.05);
  text-decoration: none;
  opacity: 1;
}

/* ---------- Hero ---------- */
.hero{
  padding: 72px 0 36px;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-2);  /* correction : plus contrasté */
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
}

.hero h1{
  margin-top: 16px;
}

.lead{
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  color: #d7ddef;
  max-width: 60ch;
}

.cta-row{
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: 18px;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 650;
  border: 1px solid transparent;
  background: rgba(255,255,255,.06);
  color: var(--text);
  text-decoration: none;
  transition: transform .06s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{
  transform: translateY(-1px);
  text-decoration: none;
}
.btn:active{ transform: translateY(0); }

.btn.primary{
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-600) 100%);
  color: #062418;
  border-color: rgba(0,0,0,.15);
  box-shadow: 0 10px 24px rgba(102,224,163,.24), inset 0 0 0 1px rgba(255,255,255,.3);
}
.btn.primary:hover{
  background: linear-gradient(180deg, var(--accent-600) 0%, var(--accent-700) 100%);
}

/* correction bouton ghost */
.btn.ghost {
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.ghost:hover {
  background: var(--surface-2);
}

/* ---------- Grids / Cards ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch; /* <-- force les cartes à la même hauteur */
}

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

.card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateY(-2px);
  transition: transform .12s ease;
}

.card h3 {
  margin-bottom: .25rem;
}

.badge{
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #0b2f22;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-600) 100%);
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid rgba(0,0,0,.1);
}

/* ---------- “Pourquoi maintenant?” ---------- */
.split{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
  align-items: start;
}

.kicker {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 1.2rem;
  color: #00adbc !important;   /* force la couleur turquoise */
}

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}

.footer-grid{
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
}

/* ---------- Utilities ---------- */
.muted{ color: var(--muted); }

.center{ text-align: center; }

.spaced > * + *{ margin-top: .5rem; }

.list{
  list-style: none;
  padding: 0;
  margin: .4rem 0 0 0;
  display: grid;
  gap: .35rem;
}
.list li{
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: .6rem;
}
.list .dot{
  width: 8px;
  height: 8px;
  margin-top: .45rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(102,224,163,.15);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .grid-2,
  .split{
    grid-template-columns: 1fr;
  }
  .grid-3{
    grid-template-columns: 1fr 1fr;
  }
  .navbar{
    grid-template-columns: 1fr;
    gap: .5rem;
  }
  .nav{
    flex-wrap: wrap;
  }
}

@media (max-width: 640px){
  .section{ padding: 48px 0; }
  .grid-3{ grid-template-columns: 1fr; }
  .cta-row{ gap: .6rem; }
}

/* ---------- Light mode (préférence utilisateur) ---------- */
@media (prefers-color-scheme: light){
  :root{
    --bg: #fbfcfe;
    --bg-elev: #ffffff;
    --text: #101323;
    --muted: #5b6685;
    --line: rgba(16,19,35,.08);
    --shadow: 0 10px 30px rgba(7,12,30,.08);
  }
  body{
    background:
      radial-gradient(1000px 500px at 10% -10%, rgba(102,224,163,.14), transparent 60%),
      radial-gradient(1000px 700px at 110% 0%, rgba(102,224,163,.10), transparent 55%),
      linear-gradient(180deg, #f5f7fb 0%, #fbfcfe 100%);
  }
  .btn.primary{ color: #062418; }
}
/* ====== Contrastes renforcés (AA) ====== */

/* Palette lisible sur fond clair */
:root{
  --bg: #F8FAFC;            /* fond */
  --text: #0B1220;          /* texte principal (≈ #0b1220) */
  --text-2: #1F2937;        /* texte secondaire (titres de blocs, lead) */
  --muted: #4B5563;         /* texte atténué lisible */
  --link: #0E7A5F;          /* liens/boutons verts */
  --link-hover: #0a5d49;
  --surface: #FFFFFF;       /* cartes */
  --surface-2: #F1F5F9;     /* surfaces subtiles */
  --border: #E2E8F0;        /* séparateurs */
  --shadow: 0 8px 30px rgba(2, 6, 23, .08);
}

/* Corps & par défaut */
html, body { background: var(--bg); color: var(--text); }
p { color: var(--text); }

/* Le “lead” du hero était trop clair : on le fonce */
.lead { color: var(--text-2); }

/* Textes volontairement atténués mais lisibles (pied de page, notes) */
.muted,
.eyebrow,
.pill { color: var(--muted); }

/* Cartes & encadrés */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* Boutons / liens : contraste et états focus/hover */
a { color: var(--link); }
a:hover, a:focus { color: var(--link-hover); }

.btn {
  color: #fff;
  background: var(--link);
  border: 1px solid transparent;
}
.btn:hover,
.btn:focus-visible {
  background: var(--link-hover);
}
.btn.btn-primary { background: var(--link); }
.btn.btn-primary:hover,
.btn.btn-primary:focus-visible { background: var(--link-hover); }

/* Titres très lisibles sur fond clair */
h1,h2,h3,h4 { color: var(--text); }

/* Bandeaux pâles */
.cta-band { background: var(--surface-2); }

/* Menu collant sur fond translucide -> renforcer le texte */
.site-header { backdrop-filter: blur(8px); }
.site-header .menu a { color: var(--text); }

/* Sélecteurs possibles déjà présents : s’ils existent, on les renforce */
.hero p,
.split p,
.section p { color: var(--text-2); }

/* Accessibilité : mode contraste élevé si l’OS le demande */
@media (prefers-contrast: more) {
  :root{
    --muted: #374151;
    --shadow: 0 0 0 rgba(0,0,0,0); /* éviter les flous */
  }
  .card { border-color: #CBD5E1; }
  .btn { border-color: #0a5d49; }
}

/* Accessibilité clavier */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
  outline: 3px solid #22C55E; /* vert vif */
  outline-offset: 2px;
}
/* Mise en valeur de l'introduction de la proposition */
.intro-prop {
  margin: 10px 0 18px;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--link);
  border-radius: 12px;
  font-weight: 600;
  color: var(--text-2);
}

/* Plus d'espace entre les puces */
.list-roomy {
  margin: 12px 0 18px;
}
.list-roomy li {
  margin-bottom: .45rem;
}

/* Conclusion détachée et lisible */
.closing-prop {
  margin-top: 14px;
  font-size: 1.05rem;
  line-height: 1.65;
}
/* Plus de contraste (clair & sombre), texte 100% opaque */
.site-header{
  background: rgba(15,19,32,.92);            /* sombre par défaut */
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
}
.nav a{ color: var(--text); opacity: 1; }     /* liens toujours lisibles */
.brand{ color: var(--text); }                 /* titre lisible */

/* Mode clair : barre blanche avec ombre légère */
@media (prefers-color-scheme: light){
  .site-header{
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 6px 18px rgba(2,6,23,.06);
  }
}

/* --- Espace réduit en dessous pour ne pas “manger” le haut du hero --- */
.hero{ padding-top: 56px; } /* 72px -> 56px */

/* ======= Version mobile : bien plus compacte ======= */
@media (max-width: 640px){
  .navbar{ padding: 6px 0; gap: .25rem; }     /* 14px -> 6px */
  .brand{ font-size: .95rem; }
  .brand-logo{ width: 22px; height: 22px; }   /* logo réduit */
  .nav{ gap: .5rem; flex-wrap: wrap; }
  .nav a{
    padding: 6px 8px;                         /* 8x10 -> 6x8 */
    font-size: .95rem;                        /* texte un peu plus petit */
    border-radius: 6px;
  }
}
/* ----- Styles pour le sommaire des valeurs ----- */
nav.toc {
  background: #fcfdfd;
  border: 1px solid #e6edf3;
  border-radius: 12px;
  padding: 16px 20px;
  margin: 32px 0;
}

nav.toc strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #00adbc;
}

nav.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav.toc li {
  margin: 6px 0;
}

nav.toc a {
  text-decoration: none;
  color: #1b1f23;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

nav.toc a:hover {
  color: #00adbc;
}
.cta-row .btn {
  padding: 10px 18px;   /* même hauteur visuelle que les titres des cartes */
  font-size: 1rem;
  border-radius: 10px;
}



/* --- Styles communs pour toutes les sections valeurs --- */
.value-section {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #1b1f23;
  padding: 40px 24px;
  border-radius: 12px;
  overflow: hidden;
  min-height: 360px;
}

.value-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.7); /* voile blanc (pâlit l'image) */
  z-index: 0;
}

.value-section h2,
.value-section h3,
.value-section p {
  position: relative;
  z-index: 1;
  color: #1b1f23;
  text-shadow:
    0 0 10px rgba(255,255,255,0.9),   /* halo principal plus fort */
    0 0 20px rgba(255,255,255,0.7);   /* halo secondaire diffus */
}

/* --- Images spécifiques par valeur --- */
#liberte { background-image: url("/images/liberte-bg.jpg"); }
#equite  { background-image: url("/images/equite-bg.jpg"); }
#prosperite  { background-image: url("/images/prosperite-bg.jpg"); }
#inclusion  { background-image: url("/images/inclusion-bg.jpg"); }
#valorisation { background-image: url("/images/valorisation-bg.jpg"); }
#perennite { background-image: url("/images/perennite-bg.jpg"); }
#integrite { background-image: url("/images/integrite-bg.jpg"); }
#valeurs-conclusion { background-image: url("/images/conclusion-bg.jpg"); }

/* Espace entre les blocs (sauf le dernier) */
section.value-section:not(:last-of-type) {
  margin-bottom: 40px; /* ajuste 32–60px selon ton goût */
}

/* mêmes proportions visuelles pour tous les blocs image */
.value-section {
  aspect-ratio: 3 / 2;         /* 1536x1024 -> 3:2 */
  min-height: unset;           /* si tu avais un min-height */
}

/* sur mobile, on libère le ratio pour éviter un bloc trop haut */
@media (max-width: 700px) {
  .value-section { aspect-ratio: auto; min-height: 360px; }
}

/* --- Conclusion des valeurs --- */
.value-conclusion {
  position: relative;
  background: url("/images/conclusion-bg.jpg") center/cover no-repeat;
  color: #fff;                       /* texte clair */
  padding: 40px 24px;
  border-radius: 12px;
  overflow: hidden;
  min-height: 320px;
}

.value-conclusion::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);      /* voile sombre (inverse des valeurs) */
  z-index: 0;
}

.value-conclusion h2,
.value-conclusion p {
  position: relative;
  z-index: 1;
  color: #fff;                       /* texte blanc lisible */
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}