main#home, footer {
  --border-radius: 3px;
  --button-height: 8rem;
  --color-1: #35793c;
  --color-2: #ff9d42; /* orange */
  --color-3: #3d54a5; /* blue */
  --color-4: #0b4f4f; /* teal? */
  --max-width: 48rem;

}

header {
  flex-direction: column;
  img { max-width: 500px; }
  align-items: center;
  nav { font-size: 0.80em; }
  margin-bottom: 2rem;
}

main {
  padding-bottom: 5rem;
}

h2, h3, h4, p {
  margin: auto;
  max-width: var(--max-width);
}

h2 {
  margin-bottom: 1em;
}

h3 {
  margin-top: 2em;
  margin-bottom: 1em;
}

h4 { margin: 0; }

p {
  line-height: 1.618;
}

.first, .bldg-grid {
  margin-top: 1em;
}
p + p { margin-top: 1em;  text-indent: 1em; }

footer {
  max-width: var(--max-width);
  margin: auto;
  padding-bottom: 13rem;
}

.button,
button,
input[type="submit"],
input[type="reset"],
input[type="button"],
input[type="file"]::file-selector-button {
  display: inline-block;
  padding: 5px 10px;
  text-align: center;
  text-decoration: none;
  background-color: var(--color-blossom);
  color: #f9f9f9;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-blossom);
  cursor: pointer;
  box-sizing: border-box;
}
.button[disabled],
button[disabled],
input[type="submit"][disabled],
input[type="reset"][disabled],
input[type="button"][disabled],
input[type="file"]::file-selector-button[disabled] {
  cursor: default;
  opacity: 0.5;
}
.button:hover,
button:hover,
input[type="submit"]:hover,
input[type="reset"]:hover,
input[type="button"]:hover,
input[type="file"]::file-selector-button:hover {
  background-color: var(--color-fade);
  color: #f9f9f9;
  outline: 0;
}
.button:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible,
input[type="reset"]:focus-visible,
input[type="button"]:focus-visible,
input[type="file"]::file-selector-button:focus-visible {
  outline-style: solid;
  outline-width: 2px;
}

button, a.button {
  border: 6px solid transparent;
}

#app {
  width: var(--max-width);
  margin: auto;
}

.first {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.first button {
  display: flex;
  flex-direction: column;
  align-items: center;
  p {
    margin: 1rem 1.5rem 0 1.5rem;
    line-height: 1;
    text-align: left;
  }
}

button.active,
a.button.active,
button.active.embodied-carbon-path-finder,
button.active.operating-energy-path-finder {
  /* background-color: red; */
  border: 6px solid black;
}



.first button {
  /* font-size: 3rem; */
  a {
    color: white;
  }
}

.operating .bldg-grid img {
  filter: invert(100%);
}

.bldg-grid.nine {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  /* grid-template-rows: repeat(3, var(--button-height)); */
  gap: 1rem;
}

.bldg-grid.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 1rem;
}

.bldg-grid.four {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1rem;
  max-width: 100%;
}

.bldg-grid button {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: end;
}

.bldg-grid button img {
  width:80%;
}

.right {
  text-align: right;
}

button p, a.button p {
  font-size: 0.8em;
  margin-top: 0.5rem;
  white-space: normal;
}

button.big, a.button.big {
  margin-top: 5rem;
  font-size: 2rem;
  font-weight: bold;
}

#launch {
  width: 100%;
  position: fixed;
  z-index: 10;
  right: 0;
  bottom: 0;
  background: white;
  /* outline: 1px dotted blue; */
  padding: 3rem;
  button, a.button {
    margin: 0 0 0 1.5rem;
  }
  button:disabled {
    opacity: 33%;
    cursor: not-allowed;
  }
  svg {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: -0.5rem;
    margin-left: 0.75rem;
  }
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  border-top: 1px solid var(--color-1);
}

#launch > div {
  width: var(--max-width);
  margin: auto;
  text-align: right;
}

h1 a, h1 a:hover {
  border: none;
}

.embodied button,
.embodied a.button,
button#embodied {
  background: var(--color-2);
  color: black;
}

.operating button,
.operating a.button,
button#operating {
  background: var(--color-3);
  color: white;
}


/* vim:ts=2 sw=2 et
 * */