:root{
  --primary-color:#FC9561;
  --secondary-color:#6c757d;
  --main-bg-color:#FEFAE6;
  --text-color:#212529;
  --background-color:#FBEAE1;
  --space-s:.5rem;
  --space-m:1.5rem;
  --space-l:2.5rem;
  --space-xl:3.5rem;
  --space-xxxl:5.5rem;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55;
  color:var(--text-color);
  background:var(--main-bg-color);
}
h1,h2,h3,h6{line-height:1.2;font-weight:700}
h1{font-size:2.5rem}
h2{font-size:1.8rem}
h3{font-size:1.3rem;font-weight:600}
h6{font-size:1.05rem}
p{margin:var(--space-m) 0}
img{max-width:100%;height:auto;display:block}
a{color:var(--text-color);text-decoration:none;transition:color .3s ease}
a:hover{color:var(--primary-color)}
.container{width:90%;max-width:1200px;margin:0 auto}

/* Navbar */
.navbar{width:90%;max-width:1200px;margin:0 auto;padding:20px 0;display:flex;justify-content:space-between;align-items:center;position:relative}
.logo a{font-size:18px;font-weight:bold;color:var(--primary-color)}
.nav-links{display:flex;list-style:none;gap:2rem}
.cta-link{font-weight:600}
.nav-toggle{display:none}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:30px;height:30px;cursor:pointer}
.burger span{width:25px;height:3px;background:var(--text-color);border-radius:2px;transition:.3s}
@media (max-width:768px){
  .burger{display:flex}
  .nav-links{position:absolute;top:70px;left:0;width:100%;flex-direction:column;background:var(--main-bg-color);padding:1rem;box-shadow:0 10px 20px rgba(0,0,0,.15);opacity:0;visibility:hidden;transform:translateY(-10px);transition:.3s;z-index:99}
  .nav-toggle:checked ~ .nav-links{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links li{margin-bottom:1rem;text-align:center}
  .nav-toggle:checked + .burger span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle:checked + .burger span:nth-child(2){opacity:0}
  .nav-toggle:checked + .burger span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
}

/* Homepage sections */
section{padding:var(--space-xxxl) 0}
#hero h1{margin-bottom:var(--space-l)}
#about{background:var(--background-color)}
#services h2,#cta-contact h2,#projects h3{text-align:center;margin-bottom:var(--space-m)}
#cta-contact,#projects{text-align:center}
#cta-contact h2{margin-bottom:var(--space-xl)}
#services h6{margin-top:var(--space-l);margin-bottom:var(--space-s)}

.three-columns,.two-columns{display:grid;gap:20px}
.three-columns{grid-template-columns:repeat(3,minmax(250px,1fr));justify-content:center}
.two-columns{grid-template-columns:repeat(2,minmax(250px,1fr))}

.masonry{column-count:4;column-gap:15px;padding:20px 0}
.masonry img{width:100%;margin-bottom:var(--space-s);break-inside:avoid}
.img-caption{font-size:.8rem;color:var(--secondary-color);font-style:italic;text-align:center;margin-bottom:var(--space-m)}

@media (max-width:900px){.masonry{column-count:2}}
@media (max-width:768px){.three-columns,.two-columns{grid-template-columns:1fr}}
@media (max-width:600px){.masonry{column-count:1}}

/* Article pages (mentions légales, projets) */
.page{width:90%;max-width:700px;margin:0 auto;padding:var(--space-xl) 0 var(--space-xxxl)}
.page h1{font-size:2rem;margin-bottom:var(--space-m)}
.page h2{font-size:1.5rem;margin-top:var(--space-l);margin-bottom:var(--space-s)}
.page h4{font-size:1.2rem;margin-top:var(--space-l);margin-bottom:var(--space-s)}
.page h6{margin-top:var(--space-m);margin-bottom:var(--space-s)}
.page ul{margin:var(--space-m) 0 var(--space-m) 1.2rem}
.page a{text-decoration:underline}
.page hr{border:none;border-top:1px solid var(--secondary-color);opacity:.3;margin:var(--space-l) 0}
.page img{margin:var(--space-m) 0;border-radius:4px}
.page table{border-collapse:collapse;width:100%;margin:var(--space-m) 0}
.page th,.page td{border:1px solid var(--secondary-color);padding:var(--space-s);text-align:left;vertical-align:top}
.back-link{display:inline-block;margin:var(--space-m) 0}

/* Footer */
footer{padding:var(--space-l) 0}
.footer-container{width:90%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.footer-links{display:flex;flex-wrap:wrap;gap:10px}
.footer-links a{font-weight:600}
.footer-text{text-align:right}
footer p{font-size:.7rem;color:#424242}

@media (max-width:768px){
  .footer-container{flex-direction:column;align-items:center;text-align:center}
  .footer-text{text-align:center}
}