* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  height: 100%;
  scroll-behavior: smooth;
}

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

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

body {
  background-color: #1c191f;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  color: #d4ac4b;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-50 { margin-top: 50px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-50 { margin-bottom: 50px; }
.ml-10 { margin-left: 10px; }
.mr-10 { margin-right: 10px; }
.p-10 { padding: 10px; }
.p-20 { padding: 20px; }
.p-50 { padding: 50px; }

.btn {
  margin: 20px;
  background: #25D366; 
  color: #ffffff;
  padding: 20px 40px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background 0.3s ease-in-out;
  font-size: 20px;
  justify-content: center;
}

.btn:hover {
  background: #128C7E; 
  color: #fff;
}


@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .flex {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .button {
    font-size: 10px; 
  }
  
  .btn {
    font-size: 16px;
    padding: 15px 20px;
    white-space: normal;
    line-height: 1.3;
    word-wrap: break-word;
    max-width: 280px;
    margin: 20px auto;
  }
}