:root {
  --cyan: #05C3DE;
  --dark: #353535;
  --darker: #101814;
  --light: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--dark);
  color: var(--light);
  font-family: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  text-align: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a,
a:visited {
  color: var(--cyan);
  text-decoration: none;
  transition: opacity 200ms ease;
}

a:hover {
  opacity: 0.75;
}

h1,
h2,
h3 {
  font-family: "Nixie One", "Courier New", monospace;
  font-weight: 400;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 62.5em;
  margin: 0 auto;
  padding: 0 1.25em;
}

#header {
  background: var(--cyan);
  padding: 4em 0 5em;
  position: relative;
}

#header img.logo {
  width: 320px;
  max-width: 80%;
  margin: 0 auto 1.5em;
}

#header .tagline {
  font-family: "Nixie One", "Courier New", monospace;
  font-size: 1.5rem;
  color: var(--darker);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
}

#header::after {
  content: "";
  position: absolute;
  bottom: -34px;
  left: 50%;
  margin-left: -34px;
  width: 0;
  height: 0;
  border-left: 34px solid transparent;
  border-right: 34px solid transparent;
  border-top: 34px solid var(--cyan);
}

#about {
  padding: 5em 0 3em;
}

#about h2 {
  font-size: 1.75rem;
  margin: 2em 0 0.5em;
}

#about h2:first-child {
  margin-top: 0;
}

#about p {
  font-size: 1.125rem;
  max-width: 36em;
  margin: 0 auto 1.25em;
}

#video {
  padding: 1em 0 3em;
}

#video .video-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: var(--darker);
}

#video .video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

#photos {
  padding: 2em 0 4em;
}

#photos .row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1em;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding: 1.5em 0;
}

#photos img {
  width: 100%;
  height: auto;
}

@media (max-width: 767px) {
  #photos .row {
    grid-template-columns: repeat(2, 1fr);
  }
}

#footer {
  background: var(--darker);
  color: var(--light);
  padding: 2.5em 0;
  font-size: 0.95rem;
}

#footer p {
  margin: 0.25em 0;
}

@media (max-width: 767px) {
  #header {
    padding: 3em 0 4em;
  }
  #header .tagline {
    font-size: 1.15rem;
  }
  #about {
    padding: 3.5em 0 2em;
  }
  #about h2 {
    font-size: 1.4rem;
  }
  #about p {
    font-size: 1rem;
  }
}