@font-face {
  font-family: "GeistPixel";
  src: url("/assets/fonts/GeistPixel-Regular-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Rubik";
  src: url("/assets/fonts/Rubik-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Rubik";
  src: url("/assets/fonts/Rubik-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Rubik";
  src: url("/assets/fonts/Rubik-Black.ttf") format("truetype");
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  font-family: "Rubik", sans-serif;
  background: #fffcf5;
  color: #3d3438;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 15% 15%, rgba(77, 168, 255, .17), transparent 30rem),
    radial-gradient(circle at 85% 85%, rgba(253, 121, 168, .14), transparent 28rem),
    #fffcf5;
}

main {
  width: min(100%, 520px);
  padding: 38px 30px 32px;
  border: 2px solid #e8dfd5;
  border-bottom-width: 6px;
  border-radius: 24px;
  background: #fff;
  box-shadow: 7px 7px 0 rgba(232, 223, 213, .9);
  text-align: center;
}

.mark {
  font-family: "GeistPixel", "Rubik", sans-serif;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  border-radius: 21px;
  background: #4da8ff;
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  transform: rotate(-4deg);
}

.eyebrow {
  margin: 0 0 8px;
  color: #8a8186;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

h1 {
  font-family: "GeistPixel", "Rubik", sans-serif;
  margin: 0;
  font-size: clamp(30px, 7vw, 42px);
  line-height: 1.05;
  letter-spacing: -.03em;
  text-wrap: balance;
}

p {
  margin: 18px auto 0;
  max-width: 39ch;
  color: #6d6469;
  font-size: 16px;
  line-height: 1.55;
}

.open-app {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  margin-top: 28px;
  padding: 0 22px;
  border: 2px solid #2c87df;
  border-bottom-width: 5px;
  border-radius: 18px;
  background: #4da8ff;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
}

.open-app:focus-visible { outline: 4px solid #fee440; outline-offset: 3px; }
.open-app:active { transform: translateY(3px); border-bottom-width: 2px; }
.open-app[aria-disabled="true"] { opacity: .55; pointer-events: none; }

.help {
  margin-top: 18px;
  font-size: 13px;
}

.error {
  color: #b64f3d;
}

footer {
  margin-top: 28px;
  color: #8a8186;
  font-size: 12px;
}

@media (max-width: 480px) {
  body { padding: 16px; }
  main { padding: 32px 22px 28px; }
}