* {
  box-sizing:border-box;
}

html {
  min-height: 100%;
  background:#171e36;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  font-family: Inter;
  color: #bed1db;
  isolation:isolate;
}

.background {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events:none;
}

.background img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position:center;
}

main {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding:64px 28px 112px;
}

.identity {
  text-align: center;
  width: min(100%,620px);
  transform:translateY(-12px);
}

.logo {
  display: block;
  width: 100%;
  height:auto;
}

h1 {
  margin: 38px 0 0;
  font-size: clamp(14px,1.15vw,24px);
  font-weight: 300;
  letter-spacing: .06em;
  padding-left: .06em;
  line-height:1.5;
}

.whatsapp {
  position: fixed;
  right: max(28px,env(safe-area-inset-right));
  bottom: max(28px,env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 8px 32px #071e2d30;
  transition:transform .2s,background .2s,box-shadow .2s;
}

.whatsapp svg {
  width: 29px;
  height: 29px;
  flex: none;
  transform-origin: 50% 65%;
  animation:whatsapp-greeting 850ms 600ms ease-in-out 1;
}

@keyframes whatsapp-greeting {
  0%,100% {
    transform:rotate(0);
  }

  25% {
    transform:rotate(-12deg);
  }

  50% {
    transform:rotate(10deg);
  }

  75% {
    transform:rotate(-5deg);
  }

}

.whatsapp span {
  position: absolute;
  right: 0;
  bottom: calc(100% + 15px);
  padding: 13px 18px;
  background: #fff;
  color: #172438;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 400;
  white-space: nowrap;
  box-shadow:0 6px 24px #071e2d24;
}

.whatsapp span::after {
  content: "";
  position: absolute;
  right: 23px;
  top: 100%;
  border: 7px solid transparent;
  border-top-color: #fff;
  border-bottom:0;
}

.whatsapp:hover {
  transform: translateY(-3px);
  background: #20bf5b;
  box-shadow:0 12px 36px #071e2d40;
}

.whatsapp:focus-visible {
  outline: 3px solid #fff;
  outline-offset:5px;
}

@media(max-width:767px) {
  main {
    padding:48px 30px 108px;
  }

  .identity {
    width: min(100%,460px);
    transform:translateY(-18px);
  }

  h1 {
    margin-top: 30px;
    letter-spacing: .06em;
    padding-left:.06em;
  }

  .whatsapp {
    right: max(20px,env(safe-area-inset-right));
    bottom:max(20px,env(safe-area-inset-bottom));
  }

}

@media(prefers-reduced-motion:reduce) {
  .whatsapp {
    transition:none;
  }

  .whatsapp svg {
    animation:none;
  }

}