@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;600&display=swap');

body {
  font-family: 'Oswald', sans-serif;
  background-color: #4a403a; /* brown-gray */
  color: #ffffff;
  margin: 0;
  padding: 0;
}

header {
  display: flex;
  align-items: center;
  background-color: #1a1a1a;
  padding: 1rem;
  border-bottom: 4px solid #ff6600;
}

header h1 {
  color: #ff6600;
  margin-left: 1rem;
  font-size: 2rem;
  text-transform: uppercase;
}

.logo {
  height: 40px;
  width: 40px;
}

main {
  padding: 1.5rem;
}

section {
  margin-bottom: 2rem;
}

h2 {
  color: #ff6600;
  margin-bottom: 0.5rem;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

form {
  margin-top: 1rem;
}

label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}

input[type="text"], input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border-radius: 4px;
  border: none;
  margin-top: 0.25rem;
  font-size: 1rem;
}

button {
  margin-top: 1.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  background-color: #ff6600;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-transform: uppercase;
}

button:hover {
  background-color: #cc5200;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #1a1a1a;
  color: #999;
}

.exercise-block {
  margin-bottom: 1.5rem;
}

.exercise-block label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.25rem;
}

.exercise-block input {
  width: 100%;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  border-radius: 4px;
  border: none;
  font-size: 1rem;
}