/* /css/styles.css */

/* =========================
   Variables
========================= */
:root{
  --bg:#f3f4f6;
  --bg-card:#ffffff;
  --text:#111827;
  --muted:#4b5563;
  --muted-2:#6b7280;
  --border:#e5e7eb;

  --accent:#ef4444;
  --accent-strong:#e11d48;
  --accent-soft:#fee2e2;

  --dark:#020617;
  --dark-2:#0b1220;

  --shadow:0 14px 30px rgba(15,23,42,.09);
  --shadow-strong:0 22px 55px rgba(2,6,23,.25);

  --radius:18px;
  --radius-lg:22px;

  --max:1320px;
}

/* =========================
   Base
========================= */
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  font-weight:400;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{text-decoration:underline;}
p{margin:0 0 12px;color:var(--muted);}
strong{font-weight:700;}
small{color:var(--muted-2);}

h1,h2,h3{
  margin:0;
  color:var(--text);
  letter-spacing:-.01em;
}
h1{font-weight:900;line-height:1.12;}
h2{font-weight:900;line-height:1.18;}
h3{font-weight:800;line-height:1.25;}

/* =========================
   Containers
========================= */
.wrapper{
  max-width:var(--max);
  margin:0 auto;
  padding:24px 16px 48px;
}
.section{
  max-width:var(--max);
  margin:0 auto;
  padding:24px 16px;
}

/* =========================
   Cards
========================= */
.card{
  background:var(--bg-card);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow);
  border:1px solid rgba(15,23,42,.04);
}
.card + .card{margin-top:18px;}

/* =========================
   Pills / Buttons
========================= */
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:600;
  border:1px solid rgba(15,23,42,.08);
  background:#fff;
  color:var(--text);
}
.pill-soft{
  background:#f8fafc;
  border-color:rgba(15,23,42,.08);
}
.pill-accent{
  background:var(--accent-soft);
  border-color:rgba(239,68,68,.25);
  color:#7f1d1d;
}

.btn-primary,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:10px 14px;
  font-size:.9rem;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  text-decoration:none;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 10px 18px rgba(239,68,68,.18);
}
.btn-primary:hover{filter:brightness(.98);text-decoration:none;}
.btn-ghost{
  background:#fff;
  border-color:rgba(15,23,42,.10);
  color:var(--text);
}
.btn-ghost:hover{text-decoration:none;}

/* =========================
   Header
========================= */
.site-header{
  background:var(--dark);
  position:sticky;
  top:0;
  z-index:30;
  border-bottom:1px solid rgba(148,163,184,.18);
}
.header-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:10px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.logo-area{display:flex;align-items:center;gap:10px;}
.logo-mark{
  width:32px;height:32px;border-radius:8px;
  border:1px solid #4b5563;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;color:#f9fafb;font-size:1rem;background:var(--dark);
}
.logo-text{
  font-size:1rem;font-weight:800;letter-spacing:.04em;
  text-transform:uppercase;color:#f9fafb;
}
.logo-text span{
  display:block;
  font-weight:400;
  font-size:.8rem;
  text-transform:none;
  letter-spacing:0;
  color:#9ca3af;
  margin-top:2px;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  font-size:.92rem;
}
.main-nav a{
  color:#e5e7eb;
  padding:6px 0;
  position:relative;
  font-weight:600;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:1px;
  background:#e5e7eb;
  transition:width .2s ease-out;
}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{font-weight:800;}
.main-nav a.is-active::after{width:100%;}

.nav-toggle{
  display:none;
  width:38px;height:38px;border-radius:999px;
  border:1px solid #4b5563;
  background:var(--dark);color:#e5e7eb;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:999px;
  background:#e5e7eb;margin:2px 0;
  transition:transform .2s ease,opacity .2s ease;
}
.site-header.nav-open .nav-toggle span:nth-child(1){
  transform:translateY(4px) rotate(45deg);
}
.site-header.nav-open .nav-toggle span:nth-child(2){
  transform:translateY(-4px) rotate(-45deg);
}

@media (max-width: 820px){
  .main-nav{
    position:absolute;
    left:16px;right:16px;top:56px;
    background:var(--dark);
    border-radius:14px;
    padding:10px 14px;
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    box-shadow:0 18px 40px rgba(15,23,42,.55);
    display:none;
  }
  .site-header.nav-open .main-nav{display:flex;}
  .nav-toggle{display:inline-flex;}
}

/* =========================
   Footer
========================= */
.site-footer{
  background:var(--dark);
  color:#e5e7eb;
  padding:32px 16px 22px;
  margin-top:32px;
}
.footer-inner{max-width:var(--max);margin:0 auto;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1.4fr 1.4fr;
  gap:32px;
  margin-bottom:24px;
}
@media (max-width: 900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 640px){
  .footer-grid{grid-template-columns:1fr;}
}
.footer-logo{display:flex;align-items:flex-start;gap:12px;}
.footer-logo-text{font-weight:800;font-size:1rem;}
.footer-logo-text span{
  display:block;font-weight:400;font-size:.86rem;
  color:#9ca3af;margin-top:4px;
}
.footer-section-title{font-size:.95rem;font-weight:800;margin-bottom:8px;}
.footer-links{list-style:none;margin:0;padding:0;font-size:.88rem;}
.footer-links li{margin-bottom:6px;}
.footer-links a{color:#cbd5f5;}
.footer-links a:hover{text-decoration:underline;}
.legal-note{
  margin-top:10px;
  font-size:.78rem;
  color:#9ca3af;
  max-width:900px;
}
.footer-bottom{
  border-top:1px solid rgba(148,163,184,.35);
  padding-top:10px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  font-size:.8rem;
  color:#9ca3af;
}
.method-link{text-decoration:underline;color:#cbd5f5;}
.method-link:hover{color:#e5e7eb;}

/* =========================
   HERO (fond full width + panneau translucide)
========================= */
.home-hero{
  position:relative;
  padding:18px 0 6px;

  background-image:url("/images/intelligence-qi.jpg");
  background-size:cover;
  background-repeat:no-repeat;
  background-position:center top;
}

/* Voile léger pour lisibilité + fondu vers le fond du site */
.home-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    180deg,
    rgba(2,6,23,.28) 0%,
    rgba(2,6,23,.10) 45%,
    rgba(243,244,246,1) 100%
  );
  pointer-events:none;
}

/* Le panneau arrondi du hero */
.home-hero-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:22px;

  position:relative;
  z-index:1;

  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:16px;

  border-radius:26px;
  border:1px solid rgba(15,23,42,.08);
  box-shadow:var(--shadow-strong);

  background:
    radial-gradient(900px 520px at 0% 0%, rgba(239,68,68,.10), rgba(239,68,68,0) 60%),
    radial-gradient(900px 520px at 100% 10%, rgba(59,130,246,.08), rgba(59,130,246,0) 58%),
    linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.80));

  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}

.hero-badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  margin-bottom:10px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.10);
  background:#fff;
  font-size:.78rem;
  font-weight:700;
}
.hero-badge span{
  font-weight:700;
  color:var(--accent-strong);
}
.hero-metric-pill{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  background:var(--accent-soft);
  border:1px solid rgba(239,68,68,.22);
  color:#7f1d1d;
  font-size:.78rem;
  font-weight:700;
}

.hero-title{
  font-size:2rem;
  margin-bottom:10px;
}
.hero-title span{color:var(--accent-strong);}

.hero-subtitle{
  margin:0 0 12px;
  font-size:.98rem;
  color:var(--muted);
  font-weight:400;
}

.hero-keywords{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:10px 0 14px;
}
.hero-keywords span{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.08);
  background:#fff;
  font-size:.78rem;
  color:var(--text);
  font-weight:600;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:10px 0 14px;
}

.hero-stats-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:10px 0 10px;
}
.hero-stat{
  background:#fff;
  border:1px solid rgba(15,23,42,.08);
  border-radius:14px;
  padding:10px 12px;
  min-width:210px;
}
.hero-stat strong{
  display:block;
  font-size:1.05rem;
  font-weight:900;
  color:var(--text);
}
.hero-stat span{
  display:block;
  font-size:.84rem;
  color:var(--muted);
  font-weight:400;
}

.hero-note{
  margin:10px 0 0;
  font-size:.86rem;
  color:var(--muted);
}

/* Carte droite sombre */
.hero-right-card{
  border-radius:20px;
  padding:16px;
  color:#e5e7eb;
  border:1px solid rgba(148,163,184,.18);
  box-shadow:0 24px 60px rgba(2,6,23,.35);

  background:
    radial-gradient(650px 420px at 15% 0%, rgba(239,68,68,.14), rgba(239,68,68,0) 60%),
    radial-gradient(650px 420px at 100% 0%, rgba(59,130,246,.14), rgba(59,130,246,0) 58%),
    linear-gradient(180deg, rgba(11,18,32,.85), rgba(5,10,22,.85));

  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.hero-right-inner{display:flex;flex-direction:column;gap:10px;}

.hero-right-title{
  font-weight:900;
  color:#fff;
  font-size:.98rem;
  margin-bottom:2px;
}
.hero-right-subtitle{
  font-size:.84rem;
  color:#cbd5e1;
  margin:0 0 6px;
  font-weight:400;
}

/* Score bloc */
.hero-score-block{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px;
  border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(148,163,184,.14);
}
.hero-score-circle{
  width:68px;height:68px;border-radius:999px;
  background:conic-gradient(from 220deg, #22c55e 0 60%, rgba(255,255,255,.15) 60% 100%);
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.hero-score-inner{
  width:54px;height:54px;border-radius:999px;
  background:#071022;
  border:1px solid rgba(148,163,184,.18);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;
}
.hero-score-main{font-weight:900;color:#fff;line-height:1;font-size:1.05rem;}
.hero-score-sub{font-weight:700;color:#9ca3af;line-height:1;font-size:.75rem;}

.hero-score-text{
  font-size:.84rem;
  color:#cbd5e1;
  font-weight:400;
}
.hero-score-text strong{color:#fff;font-weight:900;}

.hero-right-kpis{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.kpi-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(148,163,184,.14);
  border-radius:14px;
  padding:10px 10px;
  font-size:.82rem;
  color:#cbd5e1;
  font-weight:400;
}
.kpi-item strong{
  display:block;
  color:#fff;
  font-weight:900;
  margin-bottom:2px;
}

.hero-network{
  margin-top:4px;
  padding-top:10px;
  border-top:1px solid rgba(148,163,184,.18);
  font-size:.84rem;
  color:#cbd5e1;
  font-weight:400;
}
.hero-network strong{color:#fff;font-weight:900;}
.hero-network-sites{margin-top:4px;color:#cbd5e1;}

/* Responsive HERO */
@media (max-width: 980px){
  .home-hero-inner{grid-template-columns:1fr; padding:18px;}
  .hero-right-kpis{grid-template-columns:1fr 1fr;}
}
@media (max-width: 560px){
  .hero-title{font-size:1.55rem;}
  .hero-stat{min-width:unset;flex:1 1 auto;}
  .hero-right-kpis{grid-template-columns:1fr;}
}

/* =========================
   Section headers
========================= */
.section-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.section-kicker{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.82rem;
  color:var(--muted-2);
  margin:0 0 6px;
  font-weight:600;
}
.section-title{
  font-size:1.35rem;
  font-weight:900;
}
.section-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.86rem;
  color:var(--accent-strong);
  font-weight:800;
  text-decoration:none;
}
.section-link:hover{text-decoration:underline;}

/* =========================
   Quiz grid (home)
========================= */
.quiz-grid{
  display:grid;
  grid-template-columns:1.25fr .85fr .85fr;
  gap:14px;
}

.quiz-main-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.quiz-main-thumb{background:#0b1220;}
.quiz-main-thumb img{width:100%;height:180px;object-fit:cover;opacity:.95;}
.quiz-main-inner{padding:14px 14px 16px;}
.quiz-main-inner h3{font-size:1.05rem;margin:6px 0 6px;}
.quiz-main-inner p{margin:0 0 10px;font-size:.92rem;}
.quiz-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color:var(--muted-2);
  font-size:.82rem;
}
.quiz-chip{margin-bottom:6px;}

.quiz-cards{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.quiz-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  padding:14px 14px 12px;
  box-shadow:var(--shadow);
}
.quiz-card h3{font-size:1.02rem;margin:8px 0 6px;}
.quiz-card_attach p{margin:0 0 10px;font-size:.9rem;}
.quiz-card p{margin:0 0 10px;font-size:.9rem;}
.quiz-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.quiz-tags span{
  font-size:.75rem;
  color:var(--muted);
  background:#f8fafc;
  border:1px solid rgba(15,23,42,.08);
  border-radius:999px;
  padding:5px 9px;
  font-weight:600;
}

@media (max-width: 980px){
  .quiz-grid{grid-template-columns:1fr;}
}

/* =========================
   Category grid
========================= */
.category-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
}
.category-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.category-thumb{
  background:#e5e7eb;
  aspect-ratio: 3 / 2;
}
.category-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
@supports not (aspect-ratio: 3 / 2){
  .category-thumb{
    position:relative;
    height:0;
    padding-top:66.6667%;
  }
  .category-thumb img{
    position:absolute;
    top:0;right:0;bottom:0;left:0;
  }
}
.category-label{
  padding:12px 14px 0;
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--muted-2);
  font-weight:700;
}
.category-name{
  padding:6px 14px 0;
  font-weight:900;
  font-size:1.02rem;
}
.category-desc{
  padding:8px 14px 0;
  font-size:.9rem;
  color:var(--muted);
  margin:0;
}
.category-meta{
  padding:10px 14px 14px;
  font-size:.82rem;
  color:var(--muted-2);
}

@media (max-width: 980px){
  .category-grid{grid-template-columns:repeat(2, 1fr);}
}
@media (max-width: 640px){
  .category-grid{grid-template-columns:1fr;}
}

/* =========================
   Dossier grid
========================= */
.dossier-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:14px;
}
.dossier-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  padding:14px 14px 12px;
  box-shadow:var(--shadow);
}
.dossier-type{
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--muted-2);
  font-weight:700;
  margin-bottom:8px;
}
.dossier-title{
  font-size:1.02rem;
  font-weight:900;
  margin:0 0 6px;
}
.dossier-desc{
  margin:0;
  font-size:.9rem;
  color:var(--muted);
}

@media (max-width: 1100px){
  .dossier-grid{grid-template-columns:repeat(3, 1fr);}
}
@media (max-width: 900px){
  .dossier-grid{grid-template-columns:repeat(2, 1fr);}
}
@media (max-width: 620px){
  .dossier-grid{grid-template-columns:1fr;}
}

/* =========================
   Strips
========================= */
.strip-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
}
.strip-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  padding:14px 14px 12px;
  box-shadow:var(--shadow);
}
.strip-card h3{font-size:1.05rem;margin:0 0 6px;}
.strip-card p{margin:0 0 10px;font-size:.92rem;}
.strip-icon{margin-right:6px;}

@media (max-width: 980px){
  .strip-grid{grid-template-columns:1fr;}
}

/* =========================
   Method grid
========================= */
.method-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:14px;
}
.method-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  padding:16px;
  box-shadow:var(--shadow);
}
.method-pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:10px;
}
.method-pill{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.08);
  background:#f8fafc;
  color:var(--text);
  font-size:.78rem;
  font-weight:700;
}
.method-meta{
  font-size:.86rem;
  color:var(--muted-2);
  margin-top:10px;
}

.method-plain{
  background:#fff;
  border:1px solid rgba(15,23,42,.06);
  border-radius:18px;
  padding:16px;
  box-shadow:var(--shadow);
}
.method-plain ul{margin:8px 0 0 18px;color:var(--muted);}
.method-plain li{margin-bottom:6px;}

@media (max-width: 980px){
  .method-grid{grid-template-columns:1fr;}
}

/* =========================
   Small fixes
========================= */
.section-header .btn-ghost,
.section-header .btn-primary{
  padding:9px 12px;
  font-size:.86rem;
}