html,
body {
  width: 100%;
  margin: 0;
  padding: 0;
}

body {
  background-color: #2f4271;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg fill-opacity='0.07'%3E%3Cpath fill='%233a5789' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%23446da2' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%235386b6' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%236c9ec0' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%2385b3ca' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%237da8c4' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%23759cbe' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%236d90b7' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%236584b0' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%235e78a9' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
  font-family: "Jost", Arial, sans-serif;
  color: #fff;
}

main {
  padding: 1rem;
}
@media (min-width: 1100px) {
  main {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
  }
}

img {
  max-width: 100%;
  height: auto;
}

.h1 {
  font-size: 2.4rem;
  margin-bottom: 0.7rem;
}
@media (min-width: 1100px) {
  .h1 {
    font-size: 4rem;
  }
}

.h2 {
  font-size: 1.2rem;
  margin-top: 0;
}
@media (min-width: 1100px) {
  .h2 {
    font-size: 1.3rem;
  }
}

.description {
  font-size: 1.2rem;
}
@media (min-width: 800px) {
  .description {
    font-size: 1.5rem;
  }
}

.header {
  margin-bottom: 4rem;
}

.app-details {
  display: grid;
  overflow: hidden;
  grid-gap: 1rem;
  grid-template: "phone" minmax(min-content, 6.5fr) "features" 1fr "details" auto/100%;
  justify-content: center;
}
@media (min-width: 800px) {
  .app-details {
    column-gap: 5rem;
    row-gap: 2rem;
    grid-template: "phone features features" 1fr "phone  details ." 4fr / 2fr 4fr 1fr;
  }
}

.features {
  grid-area: features;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
}

.feature-list {
  list-style-type: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin: 0;
  padding: 0;
  width: 100%;
}

.feature:not(:last-of-type) {
  margin-right: 0.8rem;
}
@media (min-width: 800px) {
  .feature:not(:last-of-type) {
    margin-right: 1.5rem;
  }
}

.feature-details {
  grid-area: details;
}

.fade-enter-active {
  animation: fade-in 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-button {
  cursor: pointer;
  font: inherit;
  font-weight: 500;
  border: none;
  background-color: #b08ea2;
  color: #fff;
  border-radius: 50%;
  transition: background-color 0.3s ease;
  width: 4.5rem;
  height: 4.5rem;
  padding: 0.4rem;
  font-size: 0.8rem;
}
@media (min-width: 800px) {
  .feature-button {
    font-size: 1rem;
    width: 6rem;
    height: 6rem;
    padding: 0.8rem;
  }
}
.feature-button.is-active {
  background-color: #836375;
}
.feature-button:hover, .feature-button:focus {
  background-color: #836375;
}

.phone-app {
  grid-area: phone;
  overflow: hidden;
  border-radius: 30px;
}
@media (min-width: 800px) {
  .phone-app {
    width: 220px;
    margin: 0 auto;
    min-height: 500px;
  }
}

.phone-images {
  position: relative;
  width: 65%;
  margin: auto;
}
@media (min-width: 800px) {
  .phone-images {
    width: 100%;
    margin: 0;
  }
}
.phone-images .image {
  position: absolute;
  top: 0;
  left: 0;
}

.slide-move-out {
  transform: translateX(-100%);
}

.slide-in {
  animation: slide-in 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-out {
  animation: slide-in 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse;
}

@keyframes slide-in {
  0% {
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
  }
  30% {
    opacity: 0;
    visibility: visible;
    transform: translateX(-45%);
  }
  55% {
    transform: translateX(-20%);
    opacity: 0.2;
  }
  100% {
    opacity: 1;
    transform: translateX(0%);
  }
}
@keyframes fade-in {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0.3;
  }
  100% {
    opacity: 1;
  }
}