:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f4f1;
  color: #181818;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 25% 15%, rgba(32, 150, 145, .12), transparent 34rem),
    radial-gradient(circle at 80% 75%, rgba(218, 154, 55, .12), transparent 30rem),
    #f5f4f1;
}

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 24px;
}

.card {
  width: min(680px, 100%);
  text-align: center;
}

.app-icon {
  display: block;
  width: 128px;
  height: 128px;
  margin: 0 auto 22px;
  border-radius: 15px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .12);
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  opacity: .58;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.intro {
  max-width: 520px;
  margin: 24px auto 32px;
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  line-height: 1.55;
  opacity: .68;
}

.app-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  padding: 9px 17px 10px;
  border-radius: 12px;
  background: #090909;
  color: #fff;
  text-decoration: none;
  text-align: left;
  transition: transform .15s ease, opacity .15s ease;
}

.app-store:hover { transform: translateY(-2px); }
.app-store:active { transform: translateY(0); opacity: .8; }
.app-store .apple { font-size: 25px; }
.app-store span:last-child { display: flex; flex-direction: column; }
.app-store small { font-size: 10px; line-height: 1.1; }
.app-store strong { font-size: 20px; line-height: 1.05; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1000px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(128, 128, 128, .2);
  font-size: 13px;
  opacity: .6;
}

footer nav { display: flex; gap: 20px; }
footer a { color: inherit; text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 560px) {
  footer { flex-direction: column; align-items: center; }
}

@media (prefers-color-scheme: dark) {
  :root { background: #111; color: #f4f1eb; }
  body {
    background:
      radial-gradient(circle at 25% 15%, rgba(32, 150, 145, .14), transparent 34rem),
      radial-gradient(circle at 80% 75%, rgba(218, 154, 55, .10), transparent 30rem),
      #111;
  }
}