:root{
  --bg:#07070a;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.14);
  --muted:rgba(255,255,255,.70);
  --text:#f6f6f9;

  --brand:#ff5a2a;          /* accent (logo) */
  --brand2:#ffb347;         /* accent secondaire */
  --ok:#3cc07a;
  --bad:#dc5050;

  --radius:22px;
  --radius2:28px;
  --shadow: 0 20px 80px rgba(0,0,0,.55);
  --shadow2: 0 10px 35px rgba(0,0,0,.40);
  --max:1180px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  --font2: ui-serif, Georgia, "Times New Roman", Times, serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  font-family:var(--font);
  line-height:1.55;
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(255,90,42,.30), transparent 60%),
    radial-gradient(900px 600px at 105% 10%, rgba(255,179,71,.18), transparent 55%),
    radial-gradient(800px 650px at 60% 120%, rgba(255,90,42,.12), transparent 60%),
    var(--bg);
}

/* liens */
a{color:inherit;text-decoration:none}
a:focus{outline:2px solid rgba(255,90,42,.45); outline-offset:3px}

/* container */
.wrap{width:min(var(--max), calc(100% - 34px)); margin:0 auto}

/* topbar premium */
.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(7,7,10,.62);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.topbar-inner{display:flex; align-items:center; gap:16px; padding:14px 0}

/* brand */
.brand{display:flex; align-items:center; gap:12px}
.brand-logo{
  width:40px; height:40px;
  border-radius:14px;
  object-fit:cover;
  border:1px solid rgba(255,255,255,.18);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.brand-name{
  font-weight:900;
  letter-spacing:.8px;
  text-transform:uppercase;
}

/* nav */
.nav{margin-left:auto; display:none; gap:18px; align-items:center}
.nav a{
  color:rgba(255,255,255,.78);
  font-weight:650;
  letter-spacing:.2px;
  position:relative;
  padding:8px 4px;
}
.nav a::after{
  content:"";
  position:absolute; left:0; right:0; bottom:2px;
  height:2px;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
  border-radius:999px;
  opacity:.9;
}
.nav a:hover{color:var(--text)}
.nav a:hover::after{transform:scaleX(1)}

/* language */
.lang{display:flex; align-items:center; gap:8px; color:rgba(255,255,255,.68); font-size:14px}
.lang a{padding:6px 10px; border-radius:999px; border:1px solid transparent}
.lang a.active{
  color:var(--text);
  border-color:rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
}

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,.14);
  background:
    linear-gradient(180deg, rgba(255,90,42,.22), rgba(255,90,42,.08));
  color:var(--text);
  padding:13px 16px;
  border-radius:999px;
  box-shadow: var(--shadow2);
  font-weight:750;
  letter-spacing:.2px;
  transition: transform .12s ease, filter .12s ease, border-color .12s ease;
}
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.22);
  filter: brightness(1.05);
}
.btn:active{transform: translateY(0px)}
.btn-sm{padding:10px 13px; font-size:14px}

/* cards */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.12);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-pad{padding:20px}

/* typography */
.h1{
  font-family:var(--font2);
  font-size:34px;
  line-height:1.08;
  margin:0 0 10px;
  letter-spacing:.2px;
}
.p{margin:0; color:var(--muted); font-size:15.5px}
.note{color:rgba(255,255,255,.68); font-size:13px}

/* section title */
.section-title{
  margin:26px 0 12px;
  font-size:12.5px;
  letter-spacing:2.2px;
  color:rgba(255,255,255,.62);
  text-transform:uppercase;
}

/* grids */
.grid{display:grid; gap:14px}
.grid-3{grid-template-columns:1fr}

/* HERO premium (impact visuel) */
.hero{
  padding:22px 0 12px;
  display:grid;
  gap:16px;
}
.hero .hero-left{
  position:relative;
  padding:26px;
  min-height: 280px;
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  background:
    radial-gradient(900px 500px at 20% 20%, rgba(255,90,42,.22), transparent 55%),
    radial-gradient(900px 500px at 90% 30%, rgba(255,179,71,.14), transparent 60%),
    rgba(255,255,255,.05);
  overflow:hidden;
}
.hero .hero-left::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    linear-gradient(135deg, rgba(255,90,42,.22), rgba(255,179,71,.10), transparent 60%);
  filter: blur(22px);
  opacity:.75;
  pointer-events:none;
}
.hero .hero-left > *{position:relative; z-index:2}
.hero .hero-cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:16px}
.hero .hero-badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}

/* badges */
.badge{
  display:inline-flex; align-items:center;
  padding:7px 11px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color:rgba(255,255,255,.72);
  font-size:12.5px;
  letter-spacing:.2px;
}

/* gallery tiles */
.gallery-grid{display:grid; grid-template-columns:1fr; gap:14px}
.gallery-tile{display:block; transform: translateY(0); transition: transform .14s ease, filter .14s ease}
.gallery-tile:hover{transform: translateY(-2px); filter: brightness(1.06)}
.gallery-cover{
  width:100%;
  aspect-ratio: 4/3;
  object-fit:cover;
  display:block;
  filter:saturate(1.1) contrast(1.02);
}
.tile-body{
  padding:14px 16px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
}
.tile-title{margin:0; font-weight:850; letter-spacing:.2px}
.tile-meta{margin:4px 0 0; color:rgba(255,255,255,.68); font-size:13px}

/* photos grid (portfolio look) */
.photo-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.photo-grid img{
  width:100%;
  height:180px;
  object-fit:cover;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.12);
  cursor:pointer;
  transition: transform .12s ease, filter .12s ease, border-color .12s ease;
}
.photo-grid img:hover{
  transform: scale(1.01);
  filter: brightness(1.08);
  border-color: rgba(255,255,255,.20);
}

/* form */
.form{display:grid; gap:12px}
.field label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin:0 0 6px;
}
.field input,.field textarea,.field select{
  width:100%;
  padding:12px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  color:var(--text);
  outline:none;
}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color: rgba(255,90,42,.40);
  box-shadow: 0 0 0 4px rgba(255,90,42,.14);
}
.field textarea{min-height:120px; resize:vertical}

/* alerts */
.alert{
  padding:12px 14px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,90,42,.10);
  color:var(--text);
}
.alert.ok{background: rgba(60,180,120,.10)}
.alert.bad{background: rgba(220,80,80,.12)}

/* footer */
.footer{
  border-top:1px solid rgba(255,255,255,.10);
  margin-top:28px;
  padding:18px 0;
  color:rgba(255,255,255,.66);
}
.footer-inner{display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap}
.footer-links{display:flex; gap:14px}
.footer a{color:rgba(255,255,255,.72)}
.footer a:hover{color:var(--text)}

/* desktop */
@media (min-width: 820px){
  .nav{display:flex}
  .hero{grid-template-columns: 1.25fr .75fr; align-items:stretch}
  .grid-3{grid-template-columns: repeat(3,1fr)}
  .gallery-grid{grid-template-columns: repeat(3, 1fr)}
  .photo-grid{grid-template-columns: repeat(4, 1fr)}
  .photo-grid img{height:210px}
}