/* PrépaCACES — feuille de style commune (Direction "Chantier Pro") */
:root{
  --yellow:#F5B700;
  --black:#151515;
  --charcoal:#2A2A2A;
  --steel:#5C6470;
  --paper:#F4F2EC;
  --green:#2D7A46;
  --red:#C1421A;
  --white:#FFFFFF;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  font-family:'Barlow',sans-serif;
  color:var(--black);
  min-height:100vh;
}

.stripes{
  height:14px;
  width:100%;
  background:repeating-linear-gradient(135deg,var(--black) 0 18px,var(--yellow) 18px 36px);
}

/* ---------- Nav ---------- */
.site-nav{
  background-image:linear-gradient(rgba(21,21,21,.92),rgba(21,21,21,.92)),url("https://images.unsplash.com/photo-1645736315000-6f788915923b?auto=format&fit=crop&fm=jpg&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&ixlib=rb-4.1.0&q=60&w=3000");
  background-size:cover;
  background-position:center;
  border-bottom:3px solid var(--black);
}
.site-nav-inner{
  max-width:1100px;
  margin:0 auto;
  padding:18px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  font-family:'Oswald',sans-serif;
  font-weight:700;
  font-size:20px;
  color:var(--white);
  text-decoration:none;
  letter-spacing:0.01em;
}
.logo span{color:var(--yellow);}

.logo img{display:block;width:270px;height:auto;max-width:100%;object-fit:contain}

.nav-links{
  display:flex;
  gap:28px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links a{
  font-family:'Oswald',sans-serif;
  font-size:14px;
  font-weight:500;
  color:var(--white);
  text-decoration:none;
  letter-spacing:0.02em;
}
.nav-links a:hover{color:var(--yellow);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  font-family:'Oswald',sans-serif;
  font-weight:600;
  font-size:15px;
  letter-spacing:0.01em;
  padding:14px 26px;
  border:3px solid var(--black);
  text-decoration:none;
  cursor:pointer;
  transition:transform .06s ease;
}
.btn:active{transform:translateY(2px);}
.btn-primary{
  background:var(--yellow);
  color:var(--black);
  box-shadow:6px 6px 0 var(--black);
}
.btn-primary:hover{background:#ffc933;}
.btn-secondary{
  background:transparent;
  color:var(--white);
  border-color:var(--white);
}
.btn-secondary:hover{background:var(--white);color:var(--black);}
.btn-dark{
  background:var(--black);
  color:var(--white);
  box-shadow:6px 6px 0 var(--charcoal);
}
.btn-dark:hover{background:var(--charcoal);}

/* ---------- Hero ---------- */
.hero{
  background-image:linear-gradient(rgba(10,10,10,.82),rgba(10,10,10,.9)),url("https://images.unsplash.com/photo-1645736315000-6f788915923b?auto=format&fit=crop&fm=jpg&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&ixlib=rb-4.1.0&q=60&w=3000");
  background-size:cover;
  background-position:center 45%;
  color:var(--white);
  padding:72px 24px 88px;
}
.hero-inner{
  max-width:1100px;
  margin:0 auto;
}
.hero .tag{
  font-family:'Oswald',sans-serif;
  color:var(--yellow);
  font-size:14px;
  letter-spacing:0.05em;
  margin:0 0 14px;
}
.hero h1{
  font-family:'Oswald',sans-serif;
  font-weight:700;
  font-size:46px;
  line-height:1.15;
  margin:0 0 20px;
  max-width:15ch;
}
.hero p{
  font-size:18px;
  line-height:1.55;
  color:#D8D5CC;
  max-width:52ch;
  margin:0 0 32px;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Section wrapper ---------- */
.section{
  max-width:1100px;
  margin:0 auto;
  padding:64px 24px;
}
.section-head{
  margin:0 0 36px;
}
.section-head h2{
  font-family:'Oswald',sans-serif;
  font-weight:700;
  font-size:28px;
  margin:0 0 10px;
}
.section-head p{
  color:var(--steel);
  font-size:16px;
  max-width:60ch;
  margin:0;
}

/* ---------- Category grid ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:20px;
}
.cat-card{
  background:var(--white);
  border:3px solid var(--black);
  box-shadow:6px 6px 0 var(--black);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cat-card .cat-code{
  font-family:'Oswald',sans-serif;
  font-weight:700;
  font-size:13px;
  color:var(--white);
  background:var(--black);
  display:inline-block;
  padding:4px 10px;
  width:fit-content;
}
.cat-card.active .cat-code{background:var(--yellow);color:var(--black);}
.cat-card h3{
  font-family:'Oswald',sans-serif;
  font-size:19px;
  font-weight:600;
  margin:0;
}
.cat-card p{
  font-size:14.5px;
  color:var(--steel);
  line-height:1.5;
  margin:0;
  flex-grow:1;
}
.cat-card .cat-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.cat-card.disabled{
  opacity:0.55;
}
.cat-card .soon{
  font-family:'Oswald',sans-serif;
  font-size:12.5px;
  font-weight:600;
  color:var(--steel);
  border:2px dashed var(--steel);
  padding:8px 12px;
  text-align:center;
}
.link-btn{
  font-family:'Oswald',sans-serif;
  font-size:13.5px;
  font-weight:600;
  color:var(--black);
  text-decoration:none;
  border:2px solid var(--black);
  padding:9px 14px;
}
.link-btn:hover{background:var(--black);color:var(--white);}

/* ---------- Why / trust strip ---------- */
.strip{
  background:var(--charcoal);
  color:var(--white);
  padding:48px 24px;
}
.strip-inner{
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:28px;
}
.strip-item .num{
  font-family:'Oswald',sans-serif;
  font-weight:700;
  font-size:30px;
  color:var(--yellow);
  margin:0 0 8px;
}
.strip-item p{
  margin:0;
  font-size:14.5px;
  color:#D8D5CC;
  line-height:1.5;
}

/* ---------- Footer ---------- */
footer{
  background:var(--black);
  color:#B7B3A8;
  padding:40px 24px;
  font-size:13.5px;
  line-height:1.6;
}
footer .footer-inner{
  max-width:1100px;
  margin:0 auto;
}
footer a{color:var(--yellow);text-decoration:none;}
footer .disclaimer{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--charcoal);
  color:#8A8779;
  max-width:75ch;
}

@media (max-width:640px){
  .hero h1{font-size:32px;}
  .site-nav-inner{flex-direction:column;gap:12px;align-items:flex-start;}
  .nav-links{gap:18px;}
}

/* Logo PrépaCACES */
.brand-logo{
  display:flex;
  justify-content:center;
  align-items:center;
  background:#fff;
  border-bottom:3px solid var(--black);
  padding:8px 16px;
  min-height:78px;
}
.brand-logo img{
  display:block;
  width:min(260px, 70vw);
  height:62px;
  object-fit:contain;
}
@media(max-width:600px){
  .brand-logo img{width:min(230px,78vw);height:56px;}
}


/* ---------- Améliorations PrépaCACES ---------- */
.eyebrow{
  display:inline-block;
  font-family:'Oswald',sans-serif;
  font-weight:700;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--steel);
  margin-bottom:8px;
}
.tools-section{padding-top:48px;}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tool-card{
  background:var(--white);
  border:3px solid var(--black);
  box-shadow:6px 6px 0 var(--black);
  padding:22px;
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:start;
  color:var(--black);text-decoration:none;
  transition:transform .12s ease,box-shadow .12s ease;
}
.tool-card:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--black);}
.tool-icon{font-size:30px;line-height:1;}
.tool-card h3{font-family:'Oswald',sans-serif;font-size:18px;margin:0 0 7px;}
.tool-card p{font-size:14px;line-height:1.5;color:var(--steel);margin:0;}
.tool-arrow{font-family:'Oswald',sans-serif;font-size:24px;color:var(--yellow);-webkit-text-stroke:1px var(--black);}
.why-section{background:var(--yellow);border-top:3px solid var(--black);border-bottom:3px solid var(--black);padding:58px 24px;}
.why-inner{max-width:1100px;margin:0 auto;}
.why-section .eyebrow{color:var(--black);}
.why-section h2{font-family:'Oswald',sans-serif;font-size:32px;margin:0 0 30px;max-width:20ch;}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.why-grid>div{border-top:3px solid var(--black);padding-top:16px;}
.why-grid strong{font-family:'Oswald',sans-serif;font-size:13px;}
.why-grid h3{font-family:'Oswald',sans-serif;font-size:19px;margin:7px 0;}
.why-grid p{font-size:14.5px;line-height:1.5;margin:0;max-width:34ch;}
@media (max-width:900px){
  .site-nav-inner{padding:12px 16px;align-items:flex-start;gap:14px;}
  .logo img{height:58px!important;width:210px!important;}
  .nav-links{gap:12px 16px;flex-wrap:wrap;justify-content:flex-end;}
  .nav-links a{font-size:12px;}
  .tools-grid,.why-grid{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .hero{padding:52px 18px 64px;}
  .hero h1{font-size:36px;}
  .hero p{font-size:16px;}
  .section{padding:48px 18px;}
  .site-nav-inner{display:block;}
  .logo{display:block;margin-bottom:10px;}
  .nav-links{justify-content:flex-start;gap:9px 14px;}
  .nav-links a{font-size:12px;}
  .btn{width:100%;text-align:center;}
  .tool-card{grid-template-columns:auto 1fr;}
  .tool-arrow{display:none;}
}