:root {
  --bg: #F6F8FC;
  --primary: #705CFF;
  --primary-dark: #5d48ff;
  --secondary: #705CFF60;
  --h2-color: #5B5D72;
  --white: #FFFFFF;
}

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

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

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

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

.buttons {
    display: grid;
    margin: 0 auto;
    grid-template-columns: 6.5rem 6.5rem;
    grid-template-rows: 8rem 8rem 8rem;
    column-gap: 5rem;
    align-items: center;
}

.button-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;
}

.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: 2.75rem;
  height: 2.75rem;
  object-fit: cover;
}

.profile-wrapper {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1rem;
}

.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: 2rem;
  height: 2rem;
}

/* first button */
.btn-1 {
  --width: 100px;
  --height: 35px;
  --tooltip-height: 35px;
  --tooltip-width: 90px;
  --gap-between-tooltip-to-button: 18px;
  --button-color: var(--primary);
  --tooltip-color: #fff;
  width: var(--width);
  height: var(--height);
  background: var(--button-color);
  position: relative;
  text-align: center;
  border-radius: 10rem;
  font-family: "Arial";
  transition: background 0.3s;
}

.btn-1::before {
  position: absolute;
  content: attr(data-tooltip);
  width: var(--tooltip-width);
  height: var(--tooltip-height);
  background-color: var(--primary);
  font-size: 0.9rem;
  color: white;
  border-radius: .25em;
  line-height: var(--tooltip-height);
  bottom: calc(var(--height) + var(--gap-between-tooltip-to-button) + 10px);
  left: calc(50% - var(--tooltip-width) / 2);
}

.btn-1::after {
  position: absolute;
  content: '';
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-top-color: var(--tooltip-color);
  left: calc(50% - 10px);
  bottom: calc(100% + var(--gap-between-tooltip-to-button) - 10px);
}

.btn-1::after,.btn-1::before {
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s;
}

.text {
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-1-wrapper,.text,.icon {
  overflow: hidden;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  color: #fff;
}

.text {
  top: 0
}

.text,.icon {
  transition: top 0.5s;
}

.icon {
  color: #fff;
  top: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon svg {
  width: 24px;
  height: 24px;
}

.btn-1:hover {
  background: var(--primary);
}

.btn-1:hover .text {
  top: -100%;
}

.btn-1:hover .icon {
  top: 0;
}

.btn-1:hover:before,.button:hover:after {
  opacity: 1;
  visibility: visible;
}

.btn-1:hover:after {
  bottom: calc(var(--height) + var(--gap-between-tooltip-to-button) - 20px);
}

.btn-1:hover:before {
  bottom: calc(var(--height) + var(--gap-between-tooltip-to-button));
}

/* second button */
.btn-2 {
  outline: none;
  cursor: pointer;
  border: none;
  margin: 0;
  min-height: 36px;
  max-width: 200px;
  width: 100%;
  font-family: inherit;
  font-size: inherit;
  position: relative;
  display: inline-block;
  align-items: center;
  letter-spacing: 0.05rem;
  font-weight: 700;
  font-size: 17px;
  border-radius: 500px;
  overflow: hidden;
  background: var(--primary);
  color: var(--white);
 }
 
 .btn-2  span {
  position: relative;
  z-index: 10;
  transition: color 0.4s;
 }
 
 .btn-2:hover span {
  color: var(--white);
 }
 
 .btn-2::before,
 .btn-2::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
 }
 
 .btn-2::before {
  content: "";
  background: #000;
  width: 120%;
  left: -10%;
  transform: skew(30deg);
  transition: transform 0.4s cubic-bezier(0.3, 1, 0.8, 1);
 }
 
 .btn-2:hover::before {
  transform: translate3d(100%, 0, 0);
 }
 
 /* third button */
 .btn-3 {
  width: 45px;
  height: 50px;
  border-radius: 50%;
  background: #000;
  border: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition-duration: 0.3s;
  overflow: hidden;
  position: relative;
}

.svgIcon {
  width: 12px;
  transition-duration: 0.3s;
}

.svgIcon path {
  fill: white;
}

.btn-3:hover {
  width: 140px;
  border-radius: 50px;
  transition-duration: 0.3s;
  background: var(--primary);
  align-items: center;
}

.btn-3:hover .svgIcon {
  transition-duration: 0.3s;
  transform: translateY(-200%);
}

.btn-3::before {
  position: absolute;
  bottom: -20px;
  content: "Back to Top";
  color: white;
  font-size: 0px;
}

.btn-3:hover::before {
  font-size: 13px;
  opacity: 1;
  bottom: unset;
  transition-duration: 0.3s;
}

/* fourth button */
.btn-4 {
  line-height: 1;
  text-decoration: none;
  display: inline-flex;
  border: none;
  cursor: pointer;
  align-items: center;
  gap: 0.75rem;
  background: #000000;
  color: #fff;
  border-radius: 10rem;
  font-weight: 600;
  padding: 0.25rem 1rem;
  padding-left: 20px;
  min-height: 40px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background-color 0.3s;
}

.button__icon-wrapper {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  position: relative;
  color: #000;
  background: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.btn-4:hover {
  background: var(--primary);
}

.btn-4:hover .button__icon-wrapper {
  color: var(--primary)
}

.button__icon-svg--copy {
  position: absolute;
  fill: #000;
  transform: translate(-150%, 150%);
}

.btn-4:hover .button__icon-svg:first-child {
  transition: transform 0.3s ease-in-out;
  transform: translate(150%, -150%);
}

.btn-4:hover .button__icon-svg--copy {
  transition: transform 0.3s ease-in-out 0.1s;
  transform: translate(0);
}

/* btn-5 */
.btn-5 {
  margin-top: 0.15rem;
  min-height: 34px;
  max-width: 230px;
  border-radius: 10rem;
  width: 100%;
  font-weight: 600;
  outline: 2px solid var(--primary);
  outline-offset: 0.15rem;
  border: none;
  position: relative;
  overflow: hidden;
  background-color: transparent;
  text-align: center;
  text-transform: uppercase;
  font-size: 16px;
  transition: .3s;
  z-index: 1;
  cursor: pointer;
  font-family: inherit;
  color: var(--primary);
 }
 
 .btn-5::before {
  content: '';
  width: 0;
  height: 300%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--primary);
  transition: .5s ease;
  display: block;
  z-index: -1;
 }
 
 .btn-5:hover::before {
  width: 105%;
 }
 
 .btn-5:hover {
  color: white;
 }
 
 /* btn-6 */

 .btn-6 {
  font-size: 20px;
  background: var(--primary);
  color: white;
  padding: 0.7rem 1.2rem;
  min-height: 40px;
  padding-left: 0.9em;
  display: flex;
  align-items: center;
  border: none;
  border-radius: 4rem;
  overflow: hidden;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-6 span {
  display: block;
  margin-left: 0.3em;
  transition: all 0.3s ease-in-out;
}

.btn-6 svg {
  display: block;
  transform-origin: center center;
  transition: transform 0.3s ease-in-out;
}

.btn-6:hover .svg-wrapper {
  animation: fly-1 0.6s ease-in-out infinite alternate;
}

.btn-6:hover svg {
  transform: translateX(1.2em) rotate(45deg) scale(1.1);
}

.btn-6:hover span {
  transform: translateX(5em);
}

.btn-6:active {
  transform: scale(0.95);
}

@keyframes fly-1 {
  from {
    transform: translateY(0.1em);
  }

  to {
    transform: translateY(-0.1em);
  }
}