:root{
  --bg: #0f0f10;
  --panel: #151517;
  --muted: #a9acb3;
  --text: #f2f3f5;
  --accent: #7aa3ff;
  --accent-2: #9bffcf;
  --border: #26272b;
  --radius: 14px;
  --maxw: 1100px;
  --gap: 28px;
}

/* Scroll fluide + marge d’ancrage pour header sticky */
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 80px; }

body{
  margin:0;
  font:16px/1.6 system-ui,-apple-system, Segoe UI, Roboto, Ubuntu,"Helvetica Neue",Arial;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%; display:block; border-radius:var(--radius);}
a{color:var(--accent); text-decoration:none}
a:hover{opacity:.9}
.container{max-width:var(--maxw); margin-inline:auto; padding-inline:20px}
.section{padding-block:64px}
.muted{color:var(--muted)}
.h1{font-size:clamp(36px,5vw,64px); margin:0 0 18px}
.h2{font-size:clamp(26px,3.5vw,36px); margin:0 0 14px}
.h3{font-size:20px; margin:0 0 6px}

/* Header */
.header{position:sticky; top:0; background:var(--bg); border-bottom:1px solid var(--border);}
.nav{display:flex; align-items:center; justify-content:space-between; height:64px;}
.brand{display:flex; align-items:center; gap:10px; font-weight:700}
.brand-badge{
  width:100px; height:34px; display:grid; place-items:center; border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#0a0a0a; font-weight:800;
}
.menu{display:flex; gap:20px; align-items:center}
.menu a{color:var(--text)}
.btn{display:inline-flex; align-items:center; padding:10px 16px; border-radius:12px; border:1px solid var(--border); background:var(--panel); color:var(--text); font-weight:600;}
.btn:hover{opacity:.85}
.btn--accent{background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#0a0a0a; border-color:transparent}

/* Hero */
.hero{display:grid; gap:var(--gap); grid-template-columns:1.1fr 0.9fr; align-items:center;}
.hero .lead{font-size:18px; color:var(--muted); margin-bottom:18px}
.hero .cta{display:flex; gap:12px; flex-wrap:wrap}
.panel{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
}
.panel img{
  width:100%;
  height:auto;
  max-height:600px;
  object-fit:cover;
}

/* About */
.about{display:grid; gap:var(--gap); grid-template-columns:1fr 1fr}
.list{display:grid; gap:10px; margin:16px 0 0; padding:0; list-style:none}
.list li{display:flex; gap:10px; align-items:flex-start}
.tick{width:18px; height:18px; border-radius:50%; background:var(--accent); margin-top:4px}
.socials{display:flex; gap:14px; margin-top:16px}

/* Cards génériques */
.card{
  background:var(--panel); border:1px solid var(--border);
  border-radius:var(--radius); padding:14px;
}

/* ===== Carousel Projets ===== */
.carousel{ position:relative; margin-top:12px; }

/* Gutter pour éviter que les flèches recouvrent le contenu */
.car-viewport{
  overflow:hidden;
  position:relative;
  padding:0 36px;
  margin:0 -36px;
}
.car-track{
  display:flex; gap:16px;
  transform: translateX(0);
  transition: transform .55s cubic-bezier(.2,.7,.2,1);
  will-change: transform;
}

/* Cartes projet */
.car-track .project{
  flex:0 0 100%; max-width:100%;
  transition: transform .25s ease, box-shadow .25s ease;
}
.car-track .project.is-zoomed{
  transform: none;
  box-shadow: none;
  z-index: 3;
}

/* Slider interne (vignettes) */
.proj-slider{
  position:relative;
  width:100%;
  height:240px;              /* hauteur fixe de vitrine */
  overflow:hidden;
  border-radius:12px;
  background: #0e0e10;       /* bandes latérales discrètes si besoin */
}
.proj-slide{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:contain;         /* >>> conserve la résolution/proportions sans crop */
  object-position:center;
  border-radius:12px;
  transform:translateX(0);
  transition: transform .45s cubic-bezier(.2,.7,.2,1), opacity .3s ease;
}
/* (on ne change plus object-fit au survol) */

/* meta */
.project .meta{display:flex; align-items:center; justify-content:space-between; margin-top:10px}
.tag{font-size:12px; color:var(--muted)}

/* Description masquée par défaut */
.proj-desc{
  overflow:hidden;
  max-height:0;
  opacity:0;
  transition:max-height .35s ease, opacity .35s ease;
  margin-top:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.45;
}
.project:hover .proj-desc,
.project:focus-within .proj-desc{
  max-height:420px;
  opacity:1;
  margin-top:12px;
}

/* Boutons carrousel */
.car-btn{
  position:absolute;
  top:50%; transform:translateY(-50%);
  width:42px; height:42px; border-radius:999px;
  border:1px solid var(--border);
  background:var(--panel); color:var(--text);
  font-size:22px; display:grid; place-items:center;
  cursor:pointer; box-shadow:0 6px 18px rgba(0,0,0,.18);
  z-index:5;
}
.car-btn:hover{opacity:.92}
.car-btn:disabled{opacity:.4; cursor:default}
.car-btn.prev{ left:-18px; }
.car-btn.next{ right:-18px; }

/* ===== Contact simple (sans image) ===== */
.form-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  margin:16px auto 0;
  max-width:760px;
  box-shadow:0 12px 30px rgba(0,0,0,.18);
}

.field-grid{
  display:grid; gap:14px;
  grid-template-columns: 1fr 1fr;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{
  font-size:13px; color:var(--muted);
}
input, textarea{
  background:var(--panel); color:var(--text);
  border:1px solid var(--border); padding:12px 14px; border-radius:12px; outline:none;
}
input::placeholder, textarea::placeholder{ color:#8a8e97; }
input:focus, textarea:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(122,163,255,.18);
}
.form-actions{
  margin-top:12px;
  display:flex; gap:14px; align-items:center; justify-content:space-between; flex-wrap:wrap;
}
.check{ display:flex; align-items:center; gap:8px; font-size:13px; color:var(--muted); }
.check input{ width:16px; height:16px; }

/* Responsive */
@media (min-width:980px){
  .car-track .project{ flex-basis:70%; max-width:70%; }
}
@media (min-width:1200px){
  .car-track .project{ flex-basis:60%; max-width:60%; }
}
@media (max-width:980px){
  .hero,.about{grid-template-columns:1fr}
  .field-grid{ grid-template-columns:1fr; }
}
@media (max-width:640px){
  .menu{display:none}
  .car-viewport{ padding:0 28px; margin:0 -28px; }
  .car-btn{ width:36px; height:36px; font-size:18px; }
  .car-btn.prev{ left:-14px; }
  .car-btn.next{ right:-14px; }
}

.site-footer{
  border-top:1px solid var(--border);
  padding:24px 0;
  margin-top:40px;
}
.foot{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px; flex-wrap:wrap;
}
.foot-links{
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
}
.backtop{
  display:inline-flex; align-items:center;
  padding:8px 12px; border-radius:12px;
  border:1px solid var(--border); background:var(--panel); color:var(--text);
}
@media (max-width:640px){
  .foot{ flex-direction:column; text-align:center; }
  .foot-links{ justify-content:center; }
}