:root {
  --header: #283d3b;
  --nav: #34495e;
  --hover: #d35400;
  --active: #c44536;
  --background: #197278;
  --secondary_bg: #4c1c00;
  --contrast: #ffd447;
  --button: #772e25;
  --border: #320d6d;
}

/* Mobile */
html {
  background-color: var(--secondary_bg);
  height: 100%;
}

body {
  font-family: "Poppins", Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 790px;
  margin: 0 auto;
  border: 5px solid var(--header);
  background: var(--background);
  box-sizing: border-box;
  overflow-wrap: anywhere;
}

header {
  background: var(--header);
  color: var(--contrast);
  text-align: center;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem 2rem;
  width: 100%;
  justify-content: center;
  box-sizing: border-box;
}

section {
  padding: 1rem;
}

h2 {
  margin: 0 0 1rem;
  text-align: center;
}

img {
  width: 110px;
  max-width: 100%;
}

button {
  width: 100%;
  padding: 0.9rem 1rem;
  border: none;
  border-radius: 12px;
  background: var(--button);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
}

button:hover:enabled {
  background: var(--hover);
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

footer {
  background: var(--header);
  color: var(--contrast);
  padding: 1.5rem 2rem;
  flex: 0 0 auto;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}

a:link {
  color: var(--active);
}

a:visited {
  color: var(--secondary_bg);
}

a:hover {
  color: var(--hover);
  text-decoration: underline;
}

a:focus {
  background: var(--active);
}

a:active {
  background-color: var(--header);
  color: var(--contrast);
}

/* Tablet */
@media (min-width: 768px) {
  main {
    padding: 1.5rem 2rem;
  }
}
/* Desktop */
@media (min-width: 1200px) {
  main {
    padding: 2rem;
  }
}