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

:root {
  --orange: #ffbb00;
  --red: #ff2f00;
  --light-grey: #c9c9c9;
  --white: #ffffff;
}

.row {
  --bs-gutter-x: 3rem;
}

body {
  font-family: "azo-sans-web", sans-serif;
}

main {
  margin-left: 6rem;
}

/* =========== COLORS STYLES =========== */

.orange {
  color: var(--orange);
}
.red {
  color: var(--red);
}

.white {
  color: var(--white);
}

/* =========== FONTS STYLES =========== */
.bold {
  font-weight: bold;
}

.uppercase {
  text-transform: uppercase;
}

.size-xl {
  font-size: 4rem;
  line-height: 1.15;
}

.size-lg {
  font-size: 3rem;
  line-height: 1.15;
}

.size-md {
  font-size: 2.25rem;
  line-height: 1.2;
}

.size-md p + p {
  margin-top: 2.25rem;
}

.size-sm {
  font-size: 1.5rem;
}

.size-sm p + p {
  margin-top: 1.5rem;
}

.size-xs {
  font-size: 1rem;
}

.size-xs p + p {
  margin-top: 1rem;
}

.size-xxs {
  font-size: 0.85rem;
}

.size-xxs p + p {
  margin-top: 0.85rem;
}

.serif {
  font-family: Georgia, "Times New Roman", Times, serif;
}

.mono {
  font-family: "Courier New", Courier, monospace;
}

/* =========== SIDEBAR =========== */
sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;

  width: 6rem;
  background-color: var(--light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
}

sidebar span {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 3.5rem;
  color: var(--light-grey);
  letter-spacing: 3px;
  text-shadow: 1px 1px 0 var(--red), -1px 1px 0 var(--red),
    1px -1px 0 var(--red), -1px -1px 0 var(--red);
}

/* =========== INTRO =========== */

.intro {
  background-color: var(--orange);
  min-height: 100vh;
  padding: 1.5rem;
}