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

/* BODY */
body {
  font-family: 'Poppins', sans-serif;
  background: #f5eee6;
}

/* CONTAINER */
main {
  max-width: 850px;
  margin: auto;
  background: #fffaf5;
  padding: 20px;
  border-radius: 20px;
  margin-top: 20px;
  box-shadow: 0 8px 20px rgba(139, 94, 60, 0.3);
}

/* HEADER */
header {
  background: linear-gradient(135deg, #8b5e3c, #c8a27c);
  color: white;
  text-align: center;
  padding: 25px;
  border-bottom-left-radius: 30px;
  border-bottom-right-radius: 30px;
}

/* NAV */
nav {
  text-align: center;
  margin-top: 10px;
}

nav a {
  background: #a67c52;
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  margin: 5px;
  text-decoration: none;
  display: inline-block;
  transition: 0.3s;
  font-size: 14px;
}

nav a:hover {
  background: #8b5e3c;
}

/* SECTION */
section {
  margin-top: 20px;
}

.container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.card {
  background: #e6ccb2;
  color: #5c3a21;
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  font-size: 14px;
  box-shadow: 0 5px 10px rgba(139, 94, 60, 0.2);
  transition: 0.3s;
}

.card:hover {
  transform: scale(1.03);
  background: #ddb892;
}

/* FORM */
form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

input,
select {
  padding: 10px;
  border-radius: 12px;
  border: 1px solid #c8a27c;
  outline: none;
}

input:focus,
select:focus {
  border-color: #8b5e3c;
}

/* BUTTON */
button {
  padding: 10px;
  border: none;
  border-radius: 20px;
  background: #8b5e3c;
  color: white;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

button:hover {
  background: #6f4e37;
}

/* RADIO */
form div {
  display: flex;
  gap: 15px;
}

/* ERROR */
.error {
  color: red;
  font-size: 13px;
}

/* LIST */
ul {
  list-style: none;
  margin-top: 10px;
}

li {
  background: #f3e5d8;
  padding: 10px;
  border-radius: 12px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 15px;
  margin-top: 20px;
  background: #8b5e3c;
  color: white;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  main {
    margin: 10px;
    padding: 15px;
    border-radius: 15px;
  }

  .container {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 10px;
    font-size: 13px;
  }

  h1 {
    font-size: 20px;
  }

  h2 {
    font-size: 16px;
  }

  nav a {
    padding: 6px 10px;
    font-size: 12px;
  }

  input,
  select {
    padding: 8px;
    font-size: 13px;
  }

  button {
    padding: 8px;
    font-size: 13px;
  }
}