:root{
  --fond:#ffffff;
  --texte:#2c2c2c;
  --accent:#8b4513;
  --gris-clair:#f5f5f5;
  --filet:#d0d0d0;
  --serif:"Lora",Georgia,serif;
  --sans:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--fond);color:var(--texte);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:underline}
a:hover{color:var(--texte)}
.enveloppe{width:100%;max-width:980px;margin:0 auto;padding:0 20px}

/* en-tete transparent */
.entete{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:transparent;
}
.entete .enveloppe{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap}
.marque{display:flex;align-items:center;gap:10px;text-decoration:none;color:#ffffff;text-decoration:none}
.marque img{width:32px;height:32px}
.marque span{
  font-family:var(--serif);font-size:1rem;font-weight:500;
  letter-spacing:.01em;line-height:1;
}
.menu{margin-left:auto;display:flex;gap:24px}
.menu a{
  font-size:.85rem;letter-spacing:.05em;
  color:#ffffff;text-decoration:none;padding:6px 0;
  border-bottom:1px solid transparent;
  text-shadow:0 1px 3px rgba(0,0,0,.4);
  transition:color .2s;
}
.menu a:hover{color:#ffe0b2}
.menu a.actif{color:#ffe0b2;border-bottom-color:#ffe0b2}
.bascule{
  margin-left:auto;display:none;background:none;border:1px solid #ffffff;
  border-radius:2px;padding:6px 10px;font:inherit;font-size:.85rem;
  letter-spacing:.05em;color:#ffffff;cursor:pointer;text-shadow:0 1px 3px rgba(0,0,0,.4);
}
.bascule:hover{background:rgba(255,255,255,.1)}

/* hero */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;
  background:url("../photos/vignoble.jpg") center/cover no-repeat;
  margin-top:0;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at center, rgba(0,0,0,.3) 0%, rgba(0,0,0,.5) 100%);
  z-index:1;
}
.hero .enveloppe{position:relative;z-index:2;max-width:800px;padding:60px 20px}
.hero h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(2.2rem,7vw,3.8rem);line-height:1.15;
  color:#ffffff;margin:0 0 24px;
  text-shadow:0 2px 6px rgba(0,0,0,.5);
}
.hero .chapo{
  margin:0;max-width:55ch;color:#ffe0b2;
  font-size:1.1rem;line-height:1.6;
  text-shadow:0 1px 4px rgba(0,0,0,.4);
}

/* article */
.article{padding:0 0 0;background:var(--fond)}
.colonne{max-width:760px;margin:0 auto}
.intro{
  padding:80px 0 40px;
}
.intro p{
  font-family:var(--serif);font-size:1.35rem;line-height:1.5;
  color:var(--texte);margin:0;font-weight:400;
}
.section{padding:60px 0 0;margin-top:60px;border-top:1px solid var(--filet)}
.section:first-of-type{border-top:0;margin-top:0}
h2{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(1.6rem,4vw,2.1rem);line-height:1.25;
  margin:0 0 24px;color:var(--texte);
}
p{margin:0 0 18px;text-align:justify}
p:last-child{margin-bottom:0}
.duo{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-top:32px;
}
.duo .texte p:last-child{margin-bottom:0}
.duo figure{margin:0}
.duo img{width:100%;border-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.duo.inverse .visuel{order:-1}
.legende{
  font-size:.9rem;color:#666666;margin-top:12px;line-height:1.5;
  padding-top:12px;border-top:1px solid var(--filet);
  font-style:italic;
}

/* pied */
.pied{
  margin-top:80px;border-top:1px solid var(--filet);
  background:var(--gris-clair);padding:40px 0;
}
.pied .enveloppe{text-align:center}
.pied .copy{
  font-family:var(--sans);font-size:.95rem;color:var(--texte);margin:0;
  letter-spacing:.02em;
}

@media (max-width:900px){
  .duo{grid-template-columns:1fr;gap:32px;margin-top:24px}
  .duo.inverse .visuel{order:0}
  .menu{
    display:none;order:3;width:100%;flex-direction:column;gap:0;
    margin:0 0 8px;border-top:1px solid rgba(255,255,255,.2);
  }
  .menu.ouvert{display:flex}
  .menu a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .menu a.actif{border-bottom-color:#ffe0b2}
  .bascule{display:block}
  .intro p{font-size:1.15rem}
  .hero .enveloppe{padding:40px 20px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}