/* =========================================================
   BuildNovaBelgium — style.css
   Palette : charbon profond, bleu acier, blanc, cuivre
   ========================================================= */

:root{
  --color-charcoal:#1c2024;
  --color-charcoal-light:#262b31;
  --color-steel:#4c6b82;
  --color-steel-dark:#374d5f;
  --color-white:#ffffff;
  --color-copper:#b8703f;
  --color-copper-light:#cf8a5b;
  --color-grey-bg:#f4f5f6;
  --color-text:#23262a;
  --color-muted:#6b7278;
  --radius:6px;
  --transition:0.25s ease;
}

/* Smooth scroll — CSS only, per requirements */
html{
  scroll-behavior:smooth;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:'Inter',Arial,Helvetica,sans-serif;
  color:var(--color-text);
  background:var(--color-white);
  line-height:1.6;
  overflow-x:hidden;
  width:100%;
}

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

a{
  color:inherit;
  text-decoration:none;
}

ul{
  list-style:none;
}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* =========================================================
   Photos — 16:9
   ========================================================= */
.hero-image img,
.feature-media img{
  width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
  object-position:center;
  border-radius:var(--radius);
  display:block;
}

.feature-media img{
  border:1px solid #c9cccf;
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  left:0;
  width:100%;
  background:var(--color-charcoal);
  z-index:1000;
  border-bottom:2px solid var(--color-copper);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}

.logo{
  color:var(--color-white);
  font-size:1.4rem;
  font-weight:700;
  letter-spacing:0.02em;
}
.logo span{
  color:var(--color-copper-light);
}

/* Burger checkbox hack */
.nav-toggle{
  display:none;
}

.nav-toggle-label{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:32px;
  height:26px;
  cursor:pointer;
  z-index:1100;
}
.nav-toggle-label span{
  display:block;
  height:3px;
  width:100%;
  background:var(--color-white);
  border-radius:2px;
  transition:transform var(--transition), opacity var(--transition);
}

.main-nav{
  display:flex;
}

.nav-list{
  display:flex;
  gap:28px;
  align-items:center;
}

.nav-list a{
  color:var(--color-white);
  font-size:0.95rem;
  font-weight:500;
  transition:color var(--transition);
}
.nav-list a:hover{
  color:var(--color-copper-light);
}

.nav-cta{
  background:var(--color-copper);
  color:var(--color-white) !important;
  padding:10px 18px;
  border-radius:var(--radius);
  transition:background var(--transition);
}
.nav-cta:hover{
  background:var(--color-copper-light);
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  background:linear-gradient(135deg,var(--color-charcoal) 0%, var(--color-steel-dark) 100%);
  color:var(--color-white);
  padding:80px 0;
}

.hero-inner{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}

.hero-text h1{
  font-size:2.4rem;
  line-height:1.25;
  margin-bottom:20px;
}
.hero-text h1 em{
  color:var(--color-copper-light);
  font-style:normal;
}

.hero-text p{
  font-size:1.05rem;
  color:#d7dde1;
  margin-bottom:28px;
  max-width:520px;
}

.hero-buttons{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.btn{
  display:inline-block;
  padding:14px 26px;
  border-radius:var(--radius);
  font-weight:600;
  font-size:0.95rem;
  transition:background var(--transition), color var(--transition), border-color var(--transition);
  border:2px solid transparent;
  cursor:pointer;
}

.btn-primary{
  background:var(--color-copper);
  color:var(--color-white);
}
.btn-primary:hover{
  background:var(--color-copper-light);
}

.btn-outline{
  border-color:var(--color-white);
  color:var(--color-white);
  background:transparent;
}
.btn-outline:hover{
  background:var(--color-white);
  color:var(--color-charcoal);
}

.hero-image img{
  border:1px solid #4b5b66;
}

/* =========================================================
   Sections communes
   ========================================================= */
.section{
  padding:80px 0;
}
.section-alt{
  background:var(--color-grey-bg);
}

.section-header{
  max-width:680px;
  margin:0 auto 48px;
  text-align:center;
}
.section-header .tag{
  display:inline-block;
  color:var(--color-copper);
  font-weight:700;
  font-size:0.8rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-header h2{
  font-size:2rem;
  color:var(--color-charcoal);
  margin-bottom:12px;
}
.section-header p{
  color:var(--color-muted);
}

.feature-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.feature-grid.reverse .feature-media{
  order:2;
}
.feature-content h3{
  font-size:1.5rem;
  color:var(--color-charcoal);
  margin-bottom:16px;
}
.feature-content p{
  color:var(--color-muted);
  margin-bottom:16px;
}
.feature-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:16px;
}
.feature-list li{
  padding-left:22px;
  position:relative;
  color:var(--color-text);
}
.feature-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:10px;
  height:10px;
  background:var(--color-copper);
  border-radius:50%;
}

.feature-block + .feature-block{
  margin-top:80px;
}

/* =========================================================
   Témoignages
   ========================================================= */
.testimonials-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.testimonial-card{
  background:var(--color-white);
  border:1px solid #e2e4e6;
  border-radius:var(--radius);
  padding:28px;
}
.testimonial-card .stars{
  color:var(--color-copper);
  margin-bottom:14px;
  font-size:0.95rem;
  letter-spacing:2px;
}
.testimonial-card p.quote{
  color:var(--color-text);
  margin-bottom:18px;
  font-style:italic;
}
.testimonial-author{
  font-weight:700;
  color:var(--color-charcoal);
  font-size:0.9rem;
}
.testimonial-role{
  color:var(--color-muted);
  font-size:0.82rem;
}

/* =========================================================
   Formulaire de contact
   ========================================================= */
.contact-wrapper{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:48px;
}
.contact-info h3{
  color:var(--color-charcoal);
  font-size:1.4rem;
  margin-bottom:16px;
}
.contact-info p{
  color:var(--color-muted);
  margin-bottom:20px;
}
.contact-detail{
  margin-bottom:14px;
}
.contact-detail strong{
  display:block;
  color:var(--color-charcoal);
  font-size:0.85rem;
  text-transform:uppercase;
  letter-spacing:0.05em;
  margin-bottom:4px;
}

.contact-form{
  background:var(--color-white);
  border:1px solid #e2e4e6;
  border-radius:var(--radius);
  padding:32px;
}
.form-row{
  margin-bottom:18px;
}
.form-row label{
  display:block;
  font-size:0.85rem;
  font-weight:600;
  color:var(--color-charcoal);
  margin-bottom:6px;
}
.form-row input,
.form-row textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid #ccd0d3;
  border-radius:var(--radius);
  font-size:0.95rem;
  font-family:inherit;
  color:var(--color-text);
  background:var(--color-white);
  transition:border-color var(--transition);
}
.form-row input:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--color-steel);
}
.form-row small{
  display:block;
  color:var(--color-muted);
  margin-top:4px;
  font-size:0.78rem;
}
.form-checkbox{
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.form-checkbox input{
  width:18px;
  height:18px;
  margin-top:2px;
  flex-shrink:0;
}
.form-checkbox label{
  font-size:0.85rem;
  color:var(--color-muted);
  font-weight:400;
}
.form-checkbox label a{
  color:var(--color-steel);
  text-decoration:underline;
}

/* =========================================================
   Modale de confirmation
   ========================================================= */
.modal-overlay{
  position:fixed;
  inset:0;
  background:rgba(28,32,36,0.6);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2000;
  padding:20px;
}
.modal-overlay[hidden]{
  display:none;
}
.modal-box{
  background:var(--color-white);
  border-radius:var(--radius);
  max-width:420px;
  width:100%;
  padding:32px;
  text-align:center;
  border-top:4px solid var(--color-copper);
}
.modal-box .modal-icon{
  width:56px;
  height:56px;
  border-radius:50%;
  background:var(--color-steel);
  color:var(--color-white);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.6rem;
  margin:0 auto 16px;
}
.modal-box h3{
  color:var(--color-charcoal);
  margin-bottom:10px;
}
.modal-box p{
  color:var(--color-muted);
  margin-bottom:22px;
  font-size:0.92rem;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background:var(--color-charcoal);
  color:#c7ccd0;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-col h4{
  color:var(--color-white);
  font-size:1rem;
  margin-bottom:16px;
}
.footer-col p{
  font-size:0.88rem;
  color:#a8aeb2;
  margin-bottom:8px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul a{
  font-size:0.88rem;
  color:#c7ccd0;
  transition:color var(--transition);
}
.footer-col ul a:hover{
  color:var(--color-copper-light);
}
.footer-logo{
  color:var(--color-white);
  font-weight:700;
  font-size:1.2rem;
  margin-bottom:12px;
  display:block;
}
.footer-bottom{
  border-top:1px solid #33383d;
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:0.82rem;
  color:#8b9196;
}
.footer-bottom a{
  color:#8b9196;
}
.footer-bottom a:hover{
  color:var(--color-copper-light);
}

/* =========================================================
   Cookie banner
   ========================================================= */
.cookie-banner{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  background:var(--color-charcoal);
  color:var(--color-white);
  padding:20px 24px;
  z-index:3000;
  border-top:3px solid var(--color-copper);
}
.cookie-banner[hidden]{
  display:none;
}
.cookie-inner{
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cookie-text{
  font-size:0.88rem;
  color:#d7dde1;
  max-width:760px;
}
.cookie-text a{
  color:var(--color-copper-light);
  text-decoration:underline;
}
.cookie-actions{
  display:flex;
  gap:12px;
  flex-shrink:0;
}
.btn-cookie-accept{
  background:var(--color-copper);
  color:var(--color-white);
  border:none;
  padding:12px 24px;
  border-radius:var(--radius);
  font-weight:600;
  font-size:0.9rem;
  cursor:pointer;
  transition:background var(--transition);
}
.btn-cookie-accept:hover{
  background:var(--color-copper-light);
}

/* =========================================================
   Responsive — breakpoint 900px (burger menu)
   ========================================================= */
@media (max-width:900px){
  .nav-toggle-label{
    display:flex;
  }

  .main-nav{
    position:absolute;
    top:76px;
    left:0;
    width:100%;
    background:var(--color-charcoal);
    max-height:0;
    overflow:hidden;
    transition:max-height var(--transition);
    border-bottom:2px solid var(--color-copper);
  }

  .nav-list{
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:8px 24px 8px;
  }
  .nav-list li{
    width:100%;
    border-top:1px solid #33383d;
  }
  .nav-list li:first-child{
    border-top:none;
  }
  .nav-list a{
    display:block;
    padding:14px 0;
  }
  .nav-list .nav-cta{
    display:inline-block;
    margin:14px 0;
  }

  /* checkbox hack : expand menu when checked */
  .nav-toggle:checked ~ .main-nav{
    max-height:520px;
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1){
    transform:translateY(8px) rotate(45deg);
  }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2){
    opacity:0;
  }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3){
    transform:translateY(-8px) rotate(-45deg);
  }

  .hero-inner{
    grid-template-columns:1fr;
  }
  .feature-grid{
    grid-template-columns:1fr;
  }
  .feature-grid.reverse .feature-media{
    order:0;
  }
  .testimonials-grid{
    grid-template-columns:1fr;
  }
  .contact-wrapper{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width:560px){
  .hero-text h1{
    font-size:1.9rem;
  }
  .cookie-inner{
    flex-direction:column;
    align-items:flex-start;
  }
}