hallmarks/style.css at master · portsoc/hallmarks · GitHub

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* {
  margin: 0;
  padding: 0;
}

body {
  font-size: 150%;
  font-family: 'Helvetica Neue', sans-serif;
  background: black;
}

html,
body {
  height: 100%;
  overflow-x: hidden;
}

img {
  height: 4em;
  width: auto;
}

.hallmarks>a {
  color: #fff;
  border: 0.25em solid transparent;
  text-decoration: none;
  display: block;
  padding: 5vmin;
  opacity: 0;
  transform: scale(0.01);
  animation: hallmark-reveal 1400ms ease-in-out forwards;
  overflow: hidden;
  filter: hue-rotate(calc(var(--i, 0) * 30deg));
  animation-delay: calc(var(--i, 0) * 120ms);
}

.hallmarks>a:nth-child(1)  { --i:  0; }
.hallmarks>a:nth-child(2)  { --i:  1; }
.hallmarks>a:nth-child(3)  { --i:  2; }
.hallmarks>a:nth-child(4)  { --i:  3; }
.hallmarks>a:nth-child(5)  { --i:  4; }
.hallmarks>a:nth-child(6)  { --i:  5; }
.hallmarks>a:nth-child(7)  { --i:  6; }
.hallmarks>a:nth-child(8)  { --i:  7; }
.hallmarks>a:nth-child(9)  { --i:  8; }
.hallmarks>a:nth-child(10) { --i:  9; }
.hallmarks>a:nth-child(11) { --i: 10; }
.hallmarks>a:nth-child(12) { --i: 11; }
.hallmarks>a:nth-child(13) { --i: 12; }

@keyframes hallmark-reveal {
  0% {
    opacity: 0;
    transform: scale(0.01);
    border-radius: 1em;
  }

  70% {
    opacity: 1;
    transform: scale(1.1);
    border-radius: 1em;
  }

  100% {
    opacity: 1;
    transform: scale(1);
    border-radius: 0;
  }
}

@keyframes hallmarks-brighten {
  from { filter: brightness(0%); }
  to   { filter: brightness(100%); }
}

.hallmarks>a:nth-child(even) {
  background-color: #621360;
  color: contrast-color(#621360);
}

.hallmarks>a:nth-child(odd) {
  background-color: #00a0ff;
  color: contrast-color(#00a0ff);
}

#intro {
  grid-area: i;
}

#port {
  grid-area: p;
  display: flex;
  align-items: center;
}

#hallmark {
  grid-area: h;
}

#hallmark, #port, #intro {
  background: #621360;
  color: contrast-color(#621360);
}

/* Default layout for low res */
.hallmarks {
  display: grid;
  animation: hallmarks-brighten 2s ease-in-out forwards;
  grid-template-areas: " h " " i " " . " " . " " . " " . " " . " " . " " . " " . " " . " " . " " . " " p ";
  grid-template-columns: 1fr;
  grid-template-rows: repeat(10, auto);
  min-height: 100vh;
}

/* Wider screens go to 2 columns */
@media (min-width: 700px) {
  img {
    width: 100%;
  }
  .hallmarks {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr 1fr 1fr;
    grid-template-areas: " p h " " i . " " . . " " . . " " . . " " . . " " . . ";
  }
  .hallmarks>a {
    padding: 2vmin;
  }
}

@media (min-width: 700px) and (max-width:1024px) {
  .hallmarks>a:nth-child(4n-1) {
    background-color: #621360;
    color: contrast-color(#621360);
  }

  .hallmarks>a:nth-child(4n-2) {
    background-color: #00a0ff;
    color: contrast-color(#00a0ff);
  }
}

/* Beyond 1024 there's room for a 4 column grid */
@media (min-width: 1024px) {
  .hallmarks {
    font-size: 2.2vmin;
    line-height: 3vmin;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: auto 1fr 1fr 1fr;
    grid-template-areas: " i i h h " " . . . . " " . . . . " " . . . p ";
    height: 100vh;
    min-height: auto;
    overflow: hidden;
  }
}

.hallmarks>a:target {
  z-index: 10;
  border: 0.25em solid white;
}