/* Portfolio — feuille de style */

:root{
  --fond:#0f1115;
  --panneau:#161a21;
  --texte:#e6e9ef;
  --doux:#8b95a5;
  --trait:#242b36;
  --accent:#5eead4;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--fond);color:var(--texte);
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.7;
}

header{
  border-bottom:1px solid var(--trait);
  position:sticky;top:0;background:rgba(15,17,21,.92);
  backdrop-filter:blur(8px);z-index:10;
}
nav{
  max-width:56rem;margin:0 auto;padding:1rem 1.25rem;
  display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;
}
nav .marque{font-weight:700;letter-spacing:-.02em;margin-right:auto}
nav a{color:var(--doux);text-decoration:none;font-size:.92rem}
nav a:hover,nav a.actif{color:var(--accent)}

main{max-width:56rem;margin:0 auto;padding:3.5rem 1.25rem 6rem}

h1{font-size:2.4rem;line-height:1.2;letter-spacing:-.03em;margin:0 0 1rem}
h1 .accent{color:var(--accent)}
h2{font-size:1.35rem;letter-spacing:-.02em;margin:3rem 0 1rem}
h3{font-size:1rem;margin:0 0 .3rem}
.intro{font-size:1.1rem;color:var(--doux);max-width:38rem;margin:0 0 2rem}
p{margin:0 0 1rem}
ol{color:var(--doux);max-width:40rem}
ol li{margin-bottom:.4rem}

.bouton{
  display:inline-block;background:var(--accent);color:#0f1115;
  padding:.6rem 1.4rem;border-radius:6px;text-decoration:none;
  font-weight:600;font-size:.95rem;
}
.bouton:hover{opacity:.88}
.bouton.secondaire{background:transparent;color:var(--accent);
  border:1px solid var(--trait)}

.grille{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.carte{
  background:var(--panneau);border:1px solid var(--trait);
  border-radius:10px;padding:1.25rem;
}
.carte p{color:var(--doux);font-size:.92rem;margin:0 0 .75rem}
.etiquettes{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.5rem}
.etiquette{
  font-size:.72rem;color:var(--doux);border:1px solid var(--trait);
  padding:.12rem .5rem;border-radius:99px;
}

.frise{list-style:none;padding:0;margin:0}
.frise li{
  border-left:1px solid var(--trait);padding:0 0 1.75rem 1.5rem;
  margin-left:.4rem;position:relative;
}
.frise li::before{
  content:"";position:absolute;left:-4.5px;top:.55rem;
  width:8px;height:8px;border-radius:50%;background:var(--accent);
}
.frise li:last-child{border-left-color:transparent;padding-bottom:0}
.date{font-size:.8rem;color:var(--accent);font-family:ui-monospace,monospace}
.frise p{color:var(--doux);font-size:.92rem;margin:.2rem 0 0}

.liens-contact{display:grid;gap:.6rem;max-width:26rem}
.liens-contact a{
  display:flex;justify-content:space-between;align-items:center;
  background:var(--panneau);border:1px solid var(--trait);border-radius:8px;
  padding:.8rem 1rem;color:var(--texte);text-decoration:none;font-size:.95rem;
}
.liens-contact a:hover{border-color:var(--accent)}
.liens-contact span{color:var(--doux);font-size:.85rem}

footer{
  border-top:1px solid var(--trait);color:var(--doux);
  font-size:.85rem;padding:2rem 1.25rem;text-align:center;
}

.centre{min-height:60vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center}
.centre h1{font-size:4rem;margin:0}

@media (max-width:600px){
  h1{font-size:1.9rem}
  main{padding-top:2.5rem}
  nav{gap:1rem}
}