body {
  margin: 0;
  padding: 0;
  background: linear-gradient(to bottom, #000000 0%, #452513 15%,#000000 85%, #452513 90%, #000000 100%);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.soumission-page {
  max-width: 900px;
  margin: 10rem auto 6rem;
  padding: 0 2rem;
  text-align: center;
}

.soumission-page h1 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
}

.soumission-subtitle {
  font-size: 1.1rem;
  color: #ccc;
  margin-bottom: 3rem;
}

.soumission-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.soumission-form label {
  width: 100%;
  max-width: 600px;
  text-align: left;
  font-weight: 500;
  color: #fff;
}

.soumission-form input[type="text"],
.soumission-form input[type="email"],
.soumission-form input[type="tel"],
.soumission-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: none;
  border-radius: 8px;
  background-color: #111;
  color: #fff;
  font-size: 1rem;
  opacity: 0.5;
  box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.05);
  transition: border 0.3s ease, box-shadow 0.3s ease;
}

.soumission-form textarea {
  resize: vertical;
  min-height: 150px;
}

.soumission-form input:focus,
.soumission-form textarea:focus {
  outline: none;
  border: 1px solid var(--gws-text);
  box-shadow: 0 0 5px var(--gws-text);
}

button.cta {
  all: unset;
  display: inline-block;
  position: relative;
  background-color: transparent;
  color: #fff;
  padding: 1rem 2rem;
  font-weight: bold;
  font-size: 1rem;
  border: 2px solid #fff;
  border-radius: 50px;
  cursor: pointer;
  text-align: center;
  overflow: hidden;
  transition: color 0.4s ease, background-color 0.4s ease;
  z-index: 1;
}

button.cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0%;
  height: 100%;
  background-color: #fff;
  z-index: 0;
  transition: width 0.4s ease;
  border-radius: 50px;
}

button.cta:hover::before {
  width: 100%;
}

button.cta:hover {
  color: #000;
}

button.cta span {
  position: relative;
  z-index: 1;
}

.toast {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #222;
  color: #fff;
  padding: 1rem 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
  font-size: 1rem;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.toast.show {
  opacity: 1;
  pointer-events: auto;
}

.toast.success {
  background-color: #28a745;
}

.toast.error {
  background-color: #dc3545;
}

.hidden {
  display: none;
}

@media (max-width: 768px ) {
  .soumission-page {
    margin-top: 4rem;
    padding: 0 0.5rem;
  }

  .soumission-page h1 {
    font-size: 1.45rem;
    line-height: 1.3;
    margin-bottom: 0.6rem;
  }

  .soumission-subtitle {
    font-size: 0.85rem;
    margin-bottom: 1rem;
  }

  .soumission-form {
    gap: 0.8rem;
  }

  .soumission-form label {
    font-size: 0.8rem;
  }

  .soumission-form input[type="text"],
  .soumission-form input[type="email"],
  .soumission-form input[type="tel"],
  .soumission-form textarea {
    font-size: 0.8rem;
    padding: 0.5rem 0.6rem;
  }

  button.cta {
    font-size: 0.8rem;
    padding: 0.6rem 1.1rem;
  }

  .toast {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }

  .hero-background {
    width: 65%;
    margin: 0 auto 0.8rem;
  }
}

html, body {
  max-width: 100vw;
  overflow-x: hidden;
}

@media (max-width: 430px) {
  .soumission-page {
    max-width: 100%;
    margin-top: 5rem;
    padding: 0 0.5rem;
  }

  .soumission-form {
    width: 100%;
  }

  .soumission-form input,
  .soumission-form textarea {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    font-size: 0.85rem;
    padding: 0.6rem 0.7rem;
  }

  .soumission-form label {
    width: 100%;
    max-width: 100%;
    font-size: 0.85rem;
  }

  button.cta {
    font-size: 0.85rem;
    padding: 0.7rem 1.2rem;
  }

  .hero-background {
    width: 70%;
    margin: 0 auto 1rem;
    display: block;
  }
}


.soumission-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: stretch; /* au lieu de center */
}