*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  block-size: 100%;
}

body {
  background: #000;
  color: #fff;
  font-family: "IBM Plex Sans Arabic", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-block-size: 100vh;
}

main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-block: 18vh 6vh;
  padding-inline: 32px;
}

.card {
  background: #1a1a1c;
  border-radius: 28px;
  padding-block: 56px 60px;
  padding-inline: 72px;
  inline-size: 100%;
  max-inline-size: 600px;
  text-align: center;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04),
    0 24px 60px rgba(0, 0, 0, 0.5);
}

.brand {
  direction: ltr;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-block-end: 32px;
}

.brand__naver {
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 800;
  font-size: 36px;
  letter-spacing: 0.04em;
  line-height: 1;
}

.brand__innovation {
  font-family: "Audiowide", system-ui, sans-serif;
  font-weight: 400;
  font-size: 44px;
  letter-spacing: 0.01em;
  line-height: 1;
}

.desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 400;
}

[lang="ar"] .desc,
:lang(ar) .desc {
  font-size: 16px;
  line-height: 1.95;
}

.desc + .desc {
  margin-block-start: 18px;
}

.lang-switch {
  position: fixed;
  inset-block-start: 24px;
  inset-inline-end: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  z-index: 10;
}

.lang-switch a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.lang-switch a:hover,
.lang-switch a:focus-visible {
  color: #fff;
  outline: none;
}

.lang-switch a[aria-current="page"] {
  color: #fff;
  font-weight: 700;
}

.lang-switch span {
  color: rgba(255, 255, 255, 0.25);
}

footer {
  background: #0c1320;
  padding-block: 18px;
  padding-inline: 36px;
  text-align: end;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.01em;
}

@media (max-width: 640px) {
  main {
    padding-block: 10vh 6vh;
  }
  .card {
    padding-block: 48px 52px;
    padding-inline: 28px;
    border-radius: 22px;
  }
  .brand {
    flex-direction: column;
    gap: 8px;
    margin-block-end: 24px;
  }
  .brand__naver {
    font-size: 28px;
  }
  .brand__innovation {
    font-size: 36px;
  }
  .desc {
    font-size: 14px;
  }
  [lang="ar"] .desc,
  :lang(ar) .desc {
    font-size: 15px;
  }
  .desc br {
    display: none;
  }
  .lang-switch {
    inset-block-start: 16px;
    inset-inline-end: 18px;
  }
}