:root {
  --backgroundcolor: #111215;
  --white: #ffffff;
  --primarycolor: #12c2e9;
  --secondarycolor: #c471ed;
  --tertiarycolor: #f64f59;
  --gradientcolor: linear-gradient(
    45deg,
    var(--primarycolor),
    var(--secondarycolor),
    var(--tertiarycolor)
  );
  --cardcolor: #16171a;
  --bordercardcolor: rgba(255, 255, 255, 0.3);
  --font-family: "Poppins", sans-serif;
}

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

.container {
  max-width: 74.12rem;
  margin: 0px auto;
  padding: 20px;
  margin-bottom: 100px;
}

.hero {
  text-align: center;
  margin: 20px 0;
}
.hero img {
  max-width: 100%;
  border-radius: 1.25rem;
  height: 100%;
}
.section {
  padding: 2rem;
  margin: 2rem 0;
  border-radius: 1.25rem;
  border: 2px solid var(--primarycolor);
}
.section h2 {
  color: var(--primarycolor);
  font-size: 1.2em;
  margin-top: 0;
  font-family: var(--font-family);
  font-size: 2.875rem;
  font-style: normal;
  font-weight: 800;
  line-height: normal;
}
.section p {
  font-size: 1em;
  line-height: 1.5;
  color: #fff;
  font-family: var(--font-family);
  font-size: 1.375rem;
  font-style: normal;
  font-weight: 600;
}
.images {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.images img {
  width: 48%;
  border-radius: 1.25rem;
  border: 2px solid var(--primarycolor);
}

.commits img {
  width: 100%;
  border-radius: 1.25rem;
  border: 2px solid var(--primarycolor);
}

.here-link {
  color: var(--primarycolor);
  text-decoration: none;
}

.here-link:visited {
  color: var(--primarycolor);
  text-decoration: none;
}

.here-link a {
  text-decoration: none;
}

.here-link:hover {
  cursor: pointer;
}

.big-image {
  text-align: center;
}
.big-image img {
  width: 100%;
  max-width: 1000px;
  border-radius: 1.25rem;
  border: 2px solid var(--primarycolor);
}

.section h3 {
  color: var(--primarycolor);
  font-size: 1.5rem;
  margin-top: 0;
  font-family: var(--font-family);
  font-style: normal;
  font-weight: 800;
  line-height: normal;
}

#scrollToTopBtn {
  position: fixed;
  bottom: 20px;
  right: 40px;
  height: 60px;
  width: 60px;
  background: transparent;
  border: 2px solid var(--primarycolor);
  border-radius: 50%;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: opacity 0.3s, transform 0.3s;
}

.topbtn {
  height: 54px;
  background: transparent;
}

#scrollToTopBtn:hover {
  background-color: var(--primarycolor);
  transform: scale(1.05);
}

.section .list {
  list-style-type: decimal;
  font-size: 1em;
  line-height: 1.5;
  color: #fff;
  font-family: var(--font-family);
  font-size: 1.375rem;
  font-style: normal;
  font-weight: 600;
  margin-left: 2rem;
}

video {
  width: 75%;
  max-width: 74.12rem;
  border-radius: 1.25rem;
  border: 2px solid var(--primarycolor);
  display: block;
  margin: 0 auto;
}