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

:root {
  --max-width: 850px;

  --off-black: #333333;
  --off-white: #e6e6e6;
  --bg1: #b3b3b3;
  --bg2: #999999;
}

body {
  background-color: var(--off-black);
}
h1,
h2 {
  text-transform: uppercase;
  font-family: Arial, sans-serif;
  font-weight: 900;
  font-size: 4rem;
  color: var(--off-black);

  filter: drop-shadow(.25rem .25rem 0 #ffffff15);
}
h3 {
  font-family: Georgia, serif;
  font-size: 1.75rem;
  color: var(--off-black);
  font-style: italic;

  filter: drop-shadow(.25rem .25rem 0 #ffffff15);
}
a { text-decoration: none; }
li {
  margin-left: 1.5rem;
  padding-left: .5rem;
  padding-bottom: .25rem;
}
footer,
header {
  width: 100%;
  padding: 1rem 0 1rem 0;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  
  background-color: var(--off-black);
}
header {
  position: sticky;
  top: 0;
  z-index: 999;
}
header .button,
footer .button { filter: invert(1); }
header h2,
footer h2 { color: var(--off-white); font-size: 2rem; }
#copy {
  font-family: Georgia, serif;
  font-size: 1.5rem;
  font-style: italic;
  color: var(--bg2);

  padding-top: .75rem;
}


/* Containers */
.section {
  width: 100%;
  padding: 3rem 0 3rem 0;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  
  background-color: var(--bg2);
 }
.alt-bg { background-color: var(--bg1); }
.content {
  position: relative;
  width: 100%;
  max-width: var(--max-width);
  padding: 0 2rem 0 2rem;

  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: stretch;
}
.content > img {
  margin-right: -100%;
  height: 30rem;
  max-width: 80vw;

  filter: drop-shadow(-.5rem .5rem 0 #ffffff10)  drop-shadow(.5rem -.5rem 0 #ffffff08);
 }
.text {
  z-index: 2;

  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-end;

  text-align: end;
}

.reverse { flex-direction: row-reverse; }
.reverse .text {
  text-align: start;
  flex-direction: column;
  align-items: flex-start;
}
.reverse img { 
  margin: 0 0 0 -100%;   
  filter: drop-shadow(.5rem .5rem 0 #ffffff10)  drop-shadow(.5rem -.5rem 0 #ffffff08);
}

.row {
  display: flex;
  flex-direction: row;
  align-items: center;

  padding-right: 1rem;
  white-space: wrap;
  flex-flow: row wrap;
}
.column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.button-group {
  display: flex;
  flex-direction: column;
  padding: 2rem 0 1rem 1rem;
  gap: .5rem;
}

.thirds {
  display: flex;
  justify-content: center;
  align-items: stretch;

  width: 33.33333%;
}
.thirds:last-child { justify-content: flex-end; }
.thirds:first-child { justify-content: flex-start; }
#privacy { gap: .5rem; padding-top: -2rem;}
#privacy h2 { font-size: 2rem; padding-top: 2rem;}
#start { scroll-margin-top: 6rem;}


/* Inputs */
.button {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;

  padding: .5rem 1rem .5rem 1rem;
  margin: .25rem 0 .25rem 0;

  font-family: Arial, sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--off-white);

  background-color: var(--off-black);
  border: var(--off-black) solid .2rem;
  border-radius: 3rem;
  box-sizing: border-box;
  outline: none;

  transition: all 1s ease;
}
.button:is(:hover, :active, :focus, :focus-visible, :focus-within) {
  cursor: pointer;

  box-shadow: var(--shadow);
  color: var(--off-black);
  background-color: var(--off-white);
  border: var(--off-black) solid .2rem;

  transition: all 1s ease;
}
.button:is(:hover, :active, :focus, :focus-visible, :focus-within) img {
  filter: invert(1);
  transition: filter 1s ease;
}


/* Images */
#donate-button { position: relative; }
#donate-button img {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 5;

  padding: 0;
  margin: 0;

  filter: opacity(0);
}
#bluesky-logo { height: 1.5rem; }
.chevron { padding: 3vh 0 3vh 0; height: 15vh; filter: drop-shadow(0 .5rem 0 #ffffff07)}


/* Screen */
@media screen and (max-width: 650px) {
  .button,
  h3 { font-size: 1.25rem; }
  h2 { font-size: 3rem; }
  .content > img { height: 20rem; }
}


/* Modifiers */
.no-wrap { white-space: nowrap; }
.one-ch { padding-right: .5ch; }
.center {
  display: flex;
  justify-content: center;
  align-items: center;
}