:root {
  --bg: #F6F8FC;
  --primary: #705CFF;
  --secondary: #705CFF60;
  --h2-color: #5B5D72;
  --text: white;
  --cube-side: 2.75rem;
  --cube-side-half: calc(var(--cube-side) / 2);
}

body {
  background: var(--bg);
  height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  font-family: 'Poppins', sans-serif; 
  flex-direction: column;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 7rem;
}

.burgers {
    display: grid;
    margin: 0 auto;
    grid-template-columns: 6.5rem 6.5rem 6.5rem;
    grid-template-rows: 8rem 8rem;
    gap: 2rem;
    align-items: center;
}

.burger-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  height: 4.5rem;
}

h1 {
  color: var(--h2-color);
  margin-top: 0;
  margin-bottom: 0.125rem;
}

.emph {
  color: #705CFF;
}

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

*::selection {
  background: var(--primary);
  color: var(--text);
}

/* test */
.code-comments {
  white-space: nowrap;
  color: var(--h2-color);
  font-weight: 500;
  font-size: 1.25rem;
}

.cta-text {
  color: var(--h2-color);
  font-weight: 500;
  font-size: 0.75rem;
}

.top-bar {
  display: flex;
  justify-content: space-between;
}

.profile {
  border-radius: 50%;
  width: 2.25rem;
  height: 2.25rem;
}

.profile-wrapper {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
}

.bottom-bar {
  display: flex;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.modern-frontend-developer {
  max-width: 12rem; 
}

.learning-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #705CFF;
}

.learning-link img {
  width: 2.25rem;
  height: 2.25rem;
}

/* burger 01 */
.burger-1 {
  position: relative;
  width: 40px;
  height: 35px;
  color: var(--primary);
  background: transparent;
  cursor: pointer;
  display: block;
}

.burger-1 input {
  display: none;
}

.burger-1 span {
  display: block;
  position: absolute;
  height: 6px;
  width: 100%;
  background: var(--primary);
  border-radius: 12px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: .25s ease-in-out;
}

.burger-1 span:nth-of-type(1) {
  top: 0px;
  transform-origin: left center;
}

.burger-1 span:nth-of-type(2) {
  top: 50%;
  transform: translateY(-50%);
  transform-origin: left center;
}

.burger-1 span:nth-of-type(3) {
  top: 100%;
  transform-origin: left center;
  transform: translateY(-100%);
}

.burger-1 input:checked ~ span:nth-of-type(1) {
  transform: rotate(45deg);
  top: 0px;
  left: 5px;
}

.burger-1 input:checked ~ span:nth-of-type(2) {
  width: 0%;
  opacity: 0;
}
.burger-1 input:checked ~ span:nth-of-type(3) {
  transform: rotate(-45deg);
  top: 28px;
  left: 5px;
}

/* burger 02 */
.burger-2 #ck-2 {
  display: none;
}

.burger-2 {
  position: relative;
  width: 40px;
  cursor: pointer;
  margin: auto;
  margin-top: 0.2rem;
  display: block;
  height: calc(4px * 3 + 8px * 2);
}

.burger-2 .bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 6px;
  cursor: pointer;
  border-radius: calc(7px / 2);
  background: var(--primary);
  color: inherit;
  opacity: 1;
  transition: none 0.35s cubic-bezier(.5,-0.35,.35,1.5) 0s;
}

.burger-2 .bar--top {
  bottom: calc(50% + 8px + 4px/ 2);
  transition-property: bottom, transform;
  transition-delay: calc(0s + 0.35s) * .6;
}

.burger-2 .bar--middle {
  top: calc(50% - 4px/ 2);
  transition-property: opacity,transform;
  transition-delay: calc(0s + 0.35s * .3);
}

.burger-2 .bar--bottom {
  top: calc(50% + 10px + 4px/ 2);
  transition-property: top, transform;
  transition-delay: 0s;
}

.burger-2 #ck-2:checked + .toggle .bar--top {
  transform: rotate(-135deg);
  transition-delay: 0s;
  bottom: calc(50% - 4px/ 2);
}

.burger-2 #ck-2:checked + .toggle .bar--middle {
  opacity: 0;
  transform: rotate(-135deg);
  transition-delay: calc(0s + 0.35s * .3);
}

.burger-2 #ck-2:checked + .toggle .bar--bottom {
  top: calc(50% - 4px/ 2);
  transform: rotate(-225deg);
  transition-delay: calc(0s + 0.35s * .6);
}

/* burger 03 */
.burger-3 {
  cursor: pointer;
  margin-top: -1.1rem;
}

.burger-3 input {
  display: none;
}

.burger-3 svg {
  height: 4.25rem;
  transition: transform 600ms 
    cubic-bezier(0.4, 0, 0.2, 1);
}

.line {
  fill: none;
  stroke: var(--primary);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  transition: stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1),
              stroke-dashoffset 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.line-top-bottom {
  stroke-dasharray: 12 63;
}

.burger-3 input:checked + svg {
  transform: rotate(-45deg);
}

.burger-3 input:checked + svg .line-top-bottom {
  stroke-dasharray: 20 300;
  stroke-dashoffset: -32.42;
}

/* burger 04 */
.burger-4 input[type = "checkbox"] {
  -webkit-appearance: none;
  display: none;
  visibility: hidden;
}

.burger-4 .bar {
  display: block;
  position: relative;
  cursor: pointer;
  width: 40px;
  height: 40px;
}

.burger-4 .bar span {
  position: absolute;
  width: 40px;
  height: 6.5px;
  background: var(--primary);
  border-radius: 100px;
  display: inline-block;
  transition: 0.3s ease;
  left: 0;
}

.burger-4 .bar span.top {
  top: 0;
}

.burger-4 .bar span.middle {
  top: 15px;
}

.burger-4 .bar span.bottom {
  bottom: 4px;
}

.burger-4 input[type]:checked ~ span.top {
  transform: rotate(45deg);
  transform-origin: top left;
  width: 48px;
  left: 5px;
}

.burger-4 input[type]:checked ~ span.bottom {
  transform: rotate(-45deg);
  transform-origin: top left;
  width: 48px;
  bottom: -1px;
}

.burger-4 input[type]:checked ~ span.middle {
  transform: translateX(-20px);
  opacity: 0;
}

/* burger 05 */
.burger-5 #ck-5 {
  display: none;
}

.burger-5 .toggle {
  position: relative;
  width: 40px;
  cursor: pointer;
  margin: auto;
  margin-top: 0.45rem;
  display: block;
  height: calc(4px * 3 + 8px * 2);
}

.burger-5 .bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 6.5px;
  border-radius: calc(8px / 2);
  background: var(--primary);
  color: inherit;
  opacity: 1;
  transition: none 0.35s cubic-bezier(.5,-0.35,.35,1.5) 0s;
}

.burger-5 .bar--top {
  bottom: calc(50% + 13px + 4px/ 2);
  transition-property: bottom,transform;
  transition-delay: calc(0s + 0.35s),0s;
}

.burger-5 .bar--middle {
  top: calc(50% / 2);
  transition-property: opacity;
  transition-delay: calc(0s + 0.35s);
}

.burger-5 .bar--bottom {
  top: calc(50% + 14px/ 2);
  transition-property: top, transform;
  transition-delay: calc(0s + 0.35s),0s;
}

.burger-5 input[type='checkbox']:checked + .toggle .bar--top {
  bottom: calc(50% - 4px/ 2);
  transform: rotate(135deg);
  transition-delay: 0s, calc(0s + 0.35s);
}

.burger-5 input[type='checkbox']:checked + .toggle .bar--middle {
  opacity: 0;
  transition-duration: 0s;
  transition-delay: calc(0s + 0.35s);
}

.burger-5 input[type='checkbox']:checked + .toggle .bar--bottom {
  top: calc(50% - 4px/ 2);
  transform: rotate(225deg);
  transition-delay: 0s,calc(0s + 0.35s);
}

/* burger 06 */
.burger-6 #ck-6 {
  display: none;
}

.burger-6 .toggle {
  position: relative;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition-duration: .5s;
}

.burger-6 .bars {
  width: 100%;
  height: 7px;
  background: var(--primary);
  border-radius: 6px;
}

.burger-6 #bar2 {
  transition-duration: .8s;
}

.burger-6 #bar1, #bar3 {
  width: 70%;
}

.burger-6 input[type='checkbox']:checked + .toggle .bars {
  position: absolute;
  transition-duration: .5s;
}

.burger-6 input[type='checkbox']:checked + .toggle #bar2 {
  transform: scaleX(0);
  transition-duration: .5s;
}

.burger-6 input[type='checkbox']:checked + .toggle #bar1 {
  width: 100%;
  transform: rotate(45deg);
  transition-duration: .5s;
}

.burger-6 input[type='checkbox']:checked + .toggle #bar3 {
  width: 100%;
  transform: rotate(-45deg);
  transition-duration: .5s;
}

.burger-6 input[type='checkbox']:checked + .toggle {
  transition-duration: .5s;
  transform: rotate(180deg);
}