html, body {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Ensure all elements respect box-sizing */
*, *::before, *::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background: #FFF5F7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1 {
  flex-grow: 1;
  text-align: center;
  color: #2A2B2D;
}

main {
  padding: 40px;
  margin-top: 50px;
}

h2 {
  color: #2A2B2D;
}

p {
  font-size: 16px;
  line-height: 1.5;
  color: #2A2B2D;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin: 10px 0;
  font-size: 16px;
  color: #2A2B2D;
}

.benefits, .promotion {
  background: white;
  padding: 15px;
  border-radius: 5px;
  margin-top: 20px;
}

.promo-box {
  background: #FFF5F7;
  padding: 15px;
  margin: 10px 0;
  border-left: 5px solid #2A2B2D;
  border-radius: 5px;
}

.sell-button {
  background-color: #2A2B2D;
  color: #FFF5F7;
  padding: 12px 20px;
  text-decoration: none;
  font-size: 18px;
  border-radius: 5px;
  display: inline-block;
  margin-top: 10px;
}

/* Navbar */
.navbar {
  background-color: #2A2B2D;
  display: flex;
  width: 1520px;
  align-items: center;
  justify-content: space-between;
  padding: 15px;
  height: 70px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar-container {
  display: flex;
  align-items: center;
  width: 100%;
  justify-content: space-between;
}

.navbar-title {
  font-size: 32px;
  font-weight: bold;
  color: #FFF5F7;
  flex-grow: 1;
  text-align: center;
}

.footer {
    background-color:  #2A2B2D;
    text-align: center;
    padding: 15px;
    width: 100%;
    margin-top: 40px;
    color: #FFF5F7;
    font-size: 16px;
    font-weight: bold;
}


/* Logo Styling */
.logo-container {
  width: 60px;
  height: 60px;
  background-color: #FFF5F7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 50px;
  font-weight: 600;
  color: #2A2B2D;
  font-family: 'Times New Roman';
  display: flex;
  align-items: center;
}

.logo-link {
  text-decoration: none;
}

/* Back Button */
.back-button {
  display: block;
  position: absolute;
  top: 100px;
  left: 20px;
  width: 56px;
  height: 56px;
  margin: 0;
  overflow: hidden;
  outline: none;
  background-color: transparent;
  cursor: pointer;
  border: 0;
}

.back-button:before,
.back-button:after {
  content: "";
  position: absolute;
  border-radius: 50%;
  inset: 7px;
}

.back-button:before {
  border: 4px solid #2A2B2D;
  transition: opacity 0.4s ease-in-out, transform 0.5s ease-in-out;
}

.back-button:after {
  border: 4px solid #FFF5F7;
  transform: scale(1.3);
  transition: opacity 0.4s ease-in-out, transform 0.5s ease-in-out;
  opacity: 0;
}

.back-button:hover:before {
  opacity: 0;
  transform: scale(0.7);
}

.back-button:hover:after {
  opacity: 1;
  transform: scale(1);
}

.button-box {
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
}

.button-elem {
  display: block;
  width: 20px;
  height: 20px;
  margin: 17px 18px 0 18px;
  transform: rotate(180deg);
  fill: #2A2B2D;
}

.back-button:hover .button-box {
  transition: 0.4s;
  transform: translateX(-56px);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    width: 100%;
    height: auto;
    padding: 10px;
    align-items: flex-start;
  }

  .logo-container {
    width: 45px;
    height: 45px;
    margin-left: 0;
  }

  .logo-text {
    font-size: 30px;
  }

  .navbar-title {
    font-size: 20px;
    text-align: center;
    margin-top: 8px;
    width: 100%;
  }

  main {
    padding: 20px 15px;
    margin-top: 30px;
  }

  h1 {
    font-size: 22px;
    text-align: center;
  }

  h2 {
    font-size: 20px;
  }

  p, ul li {
    font-size: 15px;
  }

  .benefits,
  .promotion {
    padding: 12px;
  }

  .promo-box {
    padding: 12px;
    margin: 8px 0;
  }

  .sell-button {
    font-size: 16px;
    padding: 10px 16px;
  }

  .footer {
    width: 100%;
    padding: 12px;
    font-size: 14px;
  }

  .back-button {
    top: 80px;
    left: 10px;
    width: 50px;
    height: 50px;
  }

  .button-elem {
    margin: 15px 15px 0 15px;
    width: 18px;
    height: 18px;
  }
}