*{ box-sizing: border-box; }
html, body{ height: 100%; }

body{
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a{ color: inherit; }

.container{
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.skip-link{
  position: absolute;
  left: -9999px;
  top: 10px;
  background: rgba(17,19,26,.9);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 999px;
}
.skip-link:focus{ left: 12px; outline: none; box-shadow: var(--focus); }

.muted{ color: var(--muted); }
.tiny{ font-size: .88rem; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,12,16,.65);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: 14px 0;
}

.header-actions{
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-logo{
  display: block;
  height: 32px;
  width: auto;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,.25));
}
.brand-text{ display: grid; }
.brand-name{ font-weight: 800; letter-spacing: .2px; line-height: 1.1; }
.brand-tagline{ color: var(--muted); font-size: .92rem; line-height: 1.1; }

.nav{
  display: none;
  align-items: center;
  gap: 10px;
}
.nav a{
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
}
.nav a:hover{ color: var(--text); background: rgba(255,255,255,.06); }
.nav--simple{ display: flex; }

/* HERO */
.hero{ padding: 26px 0 18px; position: relative; overflow: clip; }
.hero-grid{
  display: grid;
  gap: 18px;
  align-items: start;
}

.hero-copy h1{
  font-size: clamp(1.7rem, 4.5vw, 2.8rem);
  line-height: 1.05;
  margin: 0 0 10px;
}

/* Photo de fond responsive (mobile/desktop) + overlays */
.hero--bg::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-position: center;
  background-size: cover;
  transform: scale(1.04);

  /* Mobile first */
  background-image: url("../assets/img/bg-hero-mobile-800.avif");
  background-image: -webkit-image-set(
    url("../assets/img/bg-hero-mobile-800.avif") type("image/avif") 1x,
    url("../assets/img/bg-hero-mobile-1600.avif") type("image/avif") 2x
  );
  background-image: image-set(
    url("../assets/img/bg-hero-mobile-800.avif") type("image/avif") 1x,
    url("../assets/img/bg-hero-mobile-1600.avif") type("image/avif") 2x
  );
  filter: saturate(1.08) contrast(1.06);
}

.hero--bg::after{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(11,12,16,.62), rgba(11,12,16,.78)),
    radial-gradient(900px 480px at 15% 15%, rgba(210,170,90,.14), transparent 60%),
    radial-gradient(900px 480px at 85% 20%, rgba(176,90,60,.12), transparent 55%);
}

/* Texture premium légère (petit PNG) */
.hero--bg .container::before{
  content:"";
  position:absolute;
  inset:-80px -40px;
  pointer-events:none;
  opacity:.08;
  mix-blend-mode: overlay;
  background-image: url("../assets/img/noise-128.png");
  background-repeat: repeat;
  z-index:-1;
}

/* Hero media (image produit) */
.hero-media{
  display: grid;
  place-items: center;
}
.hero-media img{
  width: 100%;
  max-width: 720px;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* Sections */
.section{ padding: 28px 0; }
.section--alt{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cards{ margin-top: 16px; display: grid; gap: 12px; }
.reviews{ margin-top: 16px; display: grid; gap: 12px; }
.form-grid{ display: grid; gap: 14px; }

.site-footer{
  padding: 20px 0 80px; /* espace sticky mobile */
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}
.footer-inner{ display: grid; gap: 8px; }

/* Reservation background image (responsive) */
.reservation--bg{
  position: relative;
  overflow: clip;
}
.reservation--bg::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  background-position: center;
  background-size: cover;
  transform: scale(1.03);

  background-image: url("../assets/img/bg-reservation-mobile-800.avif");
  background-image: -webkit-image-set(
    url("../assets/img/bg-reservation-mobile-800.avif") type("image/avif") 1x,
    url("../assets/img/bg-reservation-mobile-1600.avif") type("image/avif") 2x
  );
  background-image: image-set(
    url("../assets/img/bg-reservation-mobile-800.avif") type("image/avif") 1x,
    url("../assets/img/bg-reservation-mobile-1600.avif") type("image/avif") 2x
  );
  filter: saturate(1.02) contrast(1.05);
}
.reservation--bg::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background: linear-gradient(180deg, rgba(11,12,16,.80), rgba(11,12,16,.92));
}

@media (min-width: 880px){
  .nav{ display: flex; }
  .header-actions{
    order: 3;
  }
  .hero-grid{
    grid-template-columns: 1.05fr .62fr;
    grid-template-areas: "copy info";
    align-items: start;
    gap: 18px;
  }
  .hero-copy{ grid-area: copy; }
  .card--info{ grid-area: info; }

  .cards{ grid-template-columns: repeat(3, 1fr); }
  .reviews{ grid-template-columns: repeat(3, 1fr); }
  .form-grid{ grid-template-columns: 1.35fr .65fr; }
  .site-footer{ padding-bottom: 24px; }

  /* Desktop backgrounds */
  .hero--bg::before{
    background-image: url("../assets/img/bg-hero-desktop-1600.avif");
    background-image: -webkit-image-set(
      url("../assets/img/bg-hero-desktop-1600.avif") type("image/avif") 1x,
      url("../assets/img/bg-hero-desktop-2400.avif") type("image/avif") 2x
    );
    background-image: image-set(
      url("../assets/img/bg-hero-desktop-1600.avif") type("image/avif") 1x,
      url("../assets/img/bg-hero-desktop-2400.avif") type("image/avif") 2x
    );
  }

  .reservation--bg::before{
    background-image: url("../assets/img/bg-reservation-desktop-1600.avif");
    background-image: -webkit-image-set(
      url("../assets/img/bg-reservation-desktop-1600.avif") type("image/avif") 1x,
      url("../assets/img/bg-reservation-desktop-2400.avif") type("image/avif") 2x
    );
    background-image: image-set(
      url("../assets/img/bg-reservation-desktop-1600.avif") type("image/avif") 1x,
      url("../assets/img/bg-reservation-desktop-2400.avif") type("image/avif") 2x
    );
  }
}

/* Si l’utilisateur veut économiser de la data */
@media (prefers-reduced-data: reduce){
  .hero--bg::before,
  .reservation--bg::before{
    background-image: none !important;
  }
  .hero--bg::after{
    background:
      linear-gradient(180deg, rgba(11,12,16,.68), rgba(11,12,16,.86)),
      radial-gradient(900px 480px at 15% 15%, rgba(210,170,90,.12), transparent 60%),
      radial-gradient(900px 480px at 85% 20%, rgba(176,90,60,.10), transparent 55%);
  }
}