:root {
    --accent: #d63031;         /* Rouge élégant */
    --accent-dark: #c0392b;    /* Rouge foncé au hover */
    --bg: #fdfdfd;
    --text: #2f2f2f;
    --soft: #f4f4f4;
  }

  * {
    box-sizing: border-box;
  }

  body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
  }

  header {
    background-color: var(--accent);
    color: white;
    text-align: center;
    padding: 60px 20px;
  }

  header h1 {
    font-size: 2.8rem;
    margin: 0;
  }

  header p {
    font-size: 1.2rem;
    opacity: 0.9;
  }

  .container {
    max-width: 960px;
    margin: 40px auto;
    padding: 0 20px;
  }

  .description {
    font-size: 1.15rem;
    margin-bottom: 30px;
  }

  ul.features {
    list-style: none;
    padding-left: 0;
  }

  ul.features li::before {
    content: "✓";
    color: var(--accent);
    margin-right: 10px;
  }

  ul.features li {
    margin-bottom: 10px;
  }

  .cta {
    display: inline-block;
    margin-top: 30px;
    background-color: var(--accent);
    color: white;
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
  }

  .cta:hover {
    background-color: var(--accent-dark);
  }

  footer {
    margin-top: 60px;
    text-align: center;
    padding: 20px;
    background-color: var(--soft);
    font-size: 0.9rem;
    color: #555;
  }

  @media (max-width: 600px) {
    header h1 {
      font-size: 2rem;
    }

    .cta {
      width: 100%;
      text-align: center;
    }
  }

    label {
      display: block;
      margin-bottom: 5px;
      font-weight: 500;
    }

    input{
      width: 95%;
      padding: 10px;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 1rem;
    }

    button {
      width: 95%;
      background-color: #d63031;
      color: white;
      padding: 12px;
      border: none;
      border-radius: 6px;
      font-size: 1rem;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    button:hover {
      background-color: #b71c1c;
    }

    .signup-link {
      text-align: center;
      margin-top: 20px;
      font-size: 0.95rem;
    }

    .signup-link a {
      color: #d63031;
      text-decoration: none;
    }

    .signup-link a:hover {
      text-decoration: underline;
    }

.login-link,.signup-link {
    padding: 20px;
    margin-bottom: 10px;
    }