:root {
  --bg: #e5e3dc;
  --link-color: #e2e2dc;
  --overlay-bg: #0a0a0a;
}

* {
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100vw;
  height: 100vh;
  background: var(--bg);
  font-family: "Roslindale Display Condensed";
  overflow: hidden;
}

h1.hero-title {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  text-transform: uppercase;
  text-align: center;
  font-size: 10vw;
  font-weight: 400;
  z-index: 0;
}

/* overlay  */
.overlay {
  position: absolute;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 0;
}

svg path {
  fill: var(--overlay-bg);
}

/* toggle btn */
#toggle-btn {
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2em;
  z-index: 2;
  cursor: pointer;
}

.btn-outline {
  position: absolute;
  width: 100px;
  height: 100px;
  border: 1px solid var(--overlay-bg);
}

.btn-outline-1 {
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: morph 4s linear infinite;
}

.btn-outline-2 {
  border-radius: 53% 47% 43% 57% / 51% 39% 61% 49%;
}

@keyframes morph {
  0% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }

  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }

  100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
}

#hamburger {
  position: relative;
  height: 20px;
  width: 20px;
  z-index: 2;
}

#hamburger span {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: inline-block;
  width: 24px;
  height: 1.25px;
  background: var(--overlay-bg);
  transition: transform 0.25s;
}

#hamburger span::before {
  position: absolute;
  right: 0;
  display: inline-block;
  content: " ";
  width: 18px;
  height: 1.25px;
  background: var(--overlay-bg);
  transform: translateY(-4px);
  transition: transform 0.25s;
}

#hamburger.active span {
  transform: rotate(45deg);
}

#hamburger.active span::before {
  top: unset;
  width: 24px;
  transform: rotate(-90deg);
}

/* menu items */
.menu {
  position: fixed;
  top: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
}

.menu > div {
  height: 100%;
  display: flex;
}

/* common styles for <a> */
.menu a {
  position: relative;
  top: 120px;
  line-height: 70%;
  text-decoration: none;
  color: var(--link-color);
  transition: letter-spacing 0.75s cubic-bezier(0.075, 0.82, 0.165, 1);
}

.menu a span {
  font-size: 20px;
  margin-right: 2em;
  font-family: "Ayer";
}

.menu-item {
  position: relative;
}

.menu-item:after {
  content: "";
  position: absolute;
  top: 100px;
  left: -20px;
  width: 120%;
  height: 200%;
  background: var(--overlay-bg);
  margin: 0 auto;
}

.menu-container {
  width: 70%;
  height: 50%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* primary nav */
.primary-menu {
  flex: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.primary-menu .menu-container .wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.primary-menu a {
  text-transform: uppercase;
  font-size: 125px;
  font-weight: 500;
}

.primary-menu .menu-container .wrapper .menu-item:nth-child(1) a,
.primary-menu .menu-container .wrapper .menu-item:nth-child(3) a {
  margin-left: 1em;
}

/* secondary nav */
.secondary-menu {
  flex: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8em;
}

.secondary-menu .menu-item a {
  font-family: "Ayer";
  font-size: 36px;
}

.secondary-menu .menu-container .wrapper:nth-child(1) {
  display: flex;
  flex-direction: column;
  gap: 30px;
}