* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: #000;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 10;
  padding: 28px 34px;
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  color: #fff;
  font-size: 13px;
  font-weight: 400;
  text-decoration: none;
  opacity: 0.82;
  transition: opacity 150ms ease;
}

nav a:hover {
  opacity: 1;
}

main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 20px;
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transform: translateY(-10px);
}

h1 {
  margin: 0 0 30px;
  color: #fff;
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.055em;
}

.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 178px;
  padding: 9px 16px 10px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 10px;
  background: #000;
  color: #fff;
  text-align: left;
  text-decoration: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

.app-store-badge:hover {
  opacity: 0.82;
  transform: translateY(-1px);
}

.apple-logo {
  width: 29px;
  height: 29px;
  flex: 0 0 auto;
}

.badge-text {
  display: block;
}

.badge-text small,
.badge-text strong {
  display: block;
  white-space: nowrap;
}

.badge-text small {
  font-size: 10px;
  font-weight: 400;
  line-height: 1.05;
}

.badge-text strong {
  margin-top: 1px;
  font-size: 21px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
}

@media (max-width: 600px) {
  header {
    padding: 22px 20px;
  }

  nav {
    gap: 18px;
  }

  h1 {
    margin-bottom: 25px;
  }
}