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

/* Chrome, Firefox, Opera, Safari */
::selection {
  background: #ffd700;
}

/* Internet Explorer, Edge */
::-ms-selection {
  background: #ffd700;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
}

body {
  font-family: "Inter", sans-serif;

  color: #555;
}

.section--hidden {
  opacity: 0;
  transform: translateY(8rem);
}

.section {
  /* opacity: ; */
  transition: transform 1s, opacity 0.5s;
}

.container {
  margin: 0 auto;
  max-width: 1300px;
}

.grid {
  display: grid;
  gap: 9.6rem;
}

.grid--2-cols {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3-cols {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4-cols {
  grid-template-columns: repeat(4, 1fr);
}

.heading-primary,
.heading-secondary,
.heading-tertiary {
  color: #333;
  letter-spacing: -0.5px;
}

.heading-primary {
  color: #0b3256;
  font-weight: 700;
  line-height: 1.05;
  font-size: 5.7rem;
  margin-bottom: 3.2rem;
}

.heading-secondary {
  color: #030d15;
  font-size: 4.4rem;
  font-weight: 600;
  margin-bottom: 3.2rem;
}

.btn:link,
.btn:visited,
.btn {
  display: inline-block;
  background-color: #fff;
  font-size: 2rem;
  font-weight: 600;
  color: #fff;
  padding: 1.6rem 3.2rem;
  border-radius: 9px;
  text-decoration: none;

  transition: all 0.5s;

  /* Only neccessary for .btn */
  border: none;
  cursor: pointer;
}

.subheading {
  display: block;
  font-size: 1.6rem;
  font-weight: 600;
  color: #1c7ed6;
  letter-spacing: 0.75px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 4.8rem;
}