html,
body {
  height: 100%;
  font-family: "Roboto Mono", monospace;
  font-size: 95%;
}

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

.section-content {
  padding: 5rem 0;
}

#header {
  border-bottom: 1px dashed #ccc;
}

#header h1 {
  font-size: 2rem;
  white-space: nowrap;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.header-tagline {
  font-size: 1rem;
  color: #9ecb8d;
  letter-spacing: 0.02em;
  background: #1e1e1e;
  padding: 0.4rem 0.75rem;
  border-radius: 3px;
  display: inline-block;
  box-shadow: inset 0 0 0 1px #333;
}

.header-tagline::before {
  content: "daskas@welt:~$";
  color: #e0e0e0;
  letter-spacing: 0;
  margin-right: 0.5rem;
}

.header-tagline::after {
  content: "\258A";
  color: #9ecb8d;
  animation: blink 1s step-end infinite;
  margin-left: 0.2rem;
}

@media (max-width: 576px) {
  #header h1 {
    font-size: 1.25rem;
    overflow-wrap: anywhere;
  }

  .header-tagline {
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

#header .section-content {
  padding: 2rem 0;
}

#projects .section-content {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

#news .section-content {
  padding-top: 0;
}

#about {
  background: url("img/header.jpeg") center center no-repeat;
  background-size: cover;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 20vh;
}

.about-text {
  background: rgba(255, 255, 255, 0.72);
  color: #111;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  position: relative;
}

.about-text h3 {
  margin-bottom: 1.5rem;
}

.about-social {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

#about .section-content {
  padding: 2rem 1rem;
}

.about-social a {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

.about-social a svg {
  width: 22px;
  height: 22px;
  transition:
    transform 0.2s ease,
    fill 0.2s ease;
}

.about-social a::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.about-social a:hover::after {
  opacity: 1;
}

.about-social a:hover svg {
  transform: translateY(-2px) scale(1.15);
}

.about-social a.li-icon:hover svg {
  fill: #0a66c2;
}

.about-social a.gh-icon:hover svg {
  fill: #24292e;
}

#footer-main {
  background: #222;
  color: white;
  font-size: 0.8rem;
  padding: 2.5rem 0 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#footer-main h6 {
  color: #8a8a8a;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

#footer-main p {
  margin-bottom: 1rem;
}

#footer-main a {
  color: #ccc;
  transition: color 0.2s ease;
}

#footer-main a:hover,
#footer-main a:focus {
  color: #fff;
  text-decoration: none;
}

#footer-main ul li {
  margin-bottom: 0.4rem;
}

#footer-main .footer-copyright {
  color: #8a8a8a;
  margin-top: 2rem;
}

#footer-main .back-to-top {
  color: #8a8a8a;
}

#footer-main .footer-social a {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

#footer-main .footer-social a svg {
  width: 22px;
  height: 22px;
  transition:
    transform 0.2s ease,
    fill 0.2s ease;
}

#footer-main .footer-social a::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

#footer-main .footer-social a:hover::after {
  opacity: 1;
}

#footer-main .footer-social a:hover svg {
  transform: translateY(-2px) scale(1.15);
}

#footer-main .footer-social a.li-icon:hover svg {
  fill: #0a66c2;
}

#footer-main .footer-social a.gh-icon:hover svg {
  fill: #f0f6fc;
}

#footer-main .footer-social a.mail-icon:hover svg {
  fill: #ffb74d;
}