* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Arial, Helvetica, sans-serif;
  background: #000000;
  color: #ffffff;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: #b197fc;
}

main {
  flex: 1;
  position: relative;
}

main::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10%;
  height: 100px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(177, 151, 252, 0.35),
    transparent
  );
  filter: blur(28px);
  opacity: 0.85;
  pointer-events: none;
}

img {
  max-width: 100%;
  height: auto;
}

.entete {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #000000;
  border-bottom: 1px solid #222222;
}

.largeur {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
}

.entete .largeur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.marque {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: 1.25rem;
  justify-content: flex-end;
}

.menu a {
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.menu a.actif {
  color: #b197fc;
}

.pied {
  margin-top: auto;
  padding: 2rem 0;
  background: #000000;
  border-top: 1px solid #222222;
}

.pied .largeur {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #9a9a9a;
}

.pied nav {
  display: flex;
  gap: 1.25rem;
}

.pied a {
  color: #9a9a9a;
}

.pied a:hover {
  color: #b197fc;
}

.ligne-contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
  padding: 3rem 0 3.5rem;
  position: relative;
  z-index: 1;
}

.coordonnees {
  padding-top: 0.25rem;
}

.coordonnees h1 {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: #b197fc;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.liste-contact {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 1rem;
}

.carte {
  background: #1a1a1a;
  border-radius: 24px;
  padding: 2rem;
  border: 1px solid #2a2a2a;
}

.champ {
  margin-bottom: 1.25rem;
}

.champ label,
.champ .etiquette {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ligne-deux {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.champ.inline {
  margin-bottom: 0;
}

.champ.inline input {
  width: 100%;
}

.champ input,
.champ textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid #333333;
  background: #222222;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
}

.champ textarea {
  min-height: 160px;
  resize: vertical;
}

.champ input::placeholder,
.champ textarea::placeholder {
  color: #6f6f6f;
}

.envoi {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

.bouton {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #b197fc;
  color: #0a0a0a;
  font-family: inherit;
  width: 100%;
  max-width: 420px;
}

.bouton:hover {
  filter: brightness(1.05);
}

.cache {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

fieldset.aucun-style {
  border: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

@media (max-width: 900px) {
  .ligne-contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .largeur {
    padding: 0 1.25rem;
  }

  .entete .largeur {
    gap: 0.75rem;
  }

  .marque {
    font-size: 0.85rem;
    letter-spacing: 0.04em;
  }

  .menu {
    max-width: 72vw;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .menu ul {
    gap: 0.85rem;
  }

  .menu a {
    font-size: 0.7rem;
    letter-spacing: 0.06em;
  }

  .ligne-deux {
    grid-template-columns: 1fr;
  }
}