@import url("https://fonts.googleapis.com/css?family=Sen&display=swap");

:root {
  --espresso-brown: #4B2E2E;
  --latte-beige: #D7C4A3;
  --foam-white: #F5F1E6;
  --terracotta: #C97B63;
  --golden-honey: #D4A373;
  --olive-green: #7A8450;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Sen', sans-serif;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--foam-white);
  color: var(--espresso-brown);
}

.container {
  width: 480px;
  background-color: var(--foam-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid var(--espresso-brown);
  border-radius: 10px;
  box-shadow: 0 5px 20px var(--terracotta);
  padding: 1em;
}

h1, legend {
  color: var(--espresso-brown);
}

button {
  cursor: pointer;
  display: block;
  background-color: var(--espresso-brown);
  color: var(--foam-white);
  border-radius: 5px;
  font-size: 18px;
  padding: 10px 20px;
  width: 60%;
  margin: 80px auto 0 auto; /* centers horizontally */
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: var(--golden-honey);
  color: var(--espresso-brown);
}

form {
  width: 90%;
}

.form-group {
  margin-bottom: 1em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="url"] {
  width: 100%;
  height: 34px;
  padding: 5px;
  border: 1px solid black;
  border-radius: 5px;
  box-sizing: border-box;
}

fieldset {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  border: 2px solid var(--espresso-brown);
  padding: 1em;
  margin: 20px 0;
}

.option {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.75em;
}

.option input[type="radio"] {
  width: 16px;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
}

.description {
  font-style: italic;
  color: var(--terracotta);
  display: none;
}

.description.show {
  display: inline;
  animation: steamFade 0.6s ease-out;
}

@keyframes steamFade {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}