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

:root {
  color-scheme: dark;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-family: "Google Sans Flex", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: #ffffff;
  background:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.3),
      rgba(0, 0, 0, 0.15)
    ),
    url("images/background.jpg") center center / cover no-repeat fixed;
}

main {
  max-width: 720px;
  width: 100%;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
}

.logo {
  margin-bottom: 1.75rem;
}

.logo img {
  width: 60vw;
  max-width: 260px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.tagline {
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 40rem;
  margin: 0 auto 2.25rem;
}

.email-link {
  display: inline-block;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: #ffffff;
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  transition:
    background 0.2s ease-out,
    border-color 0.2s ease-out,
    transform 0.15s ease-out;
}

.email-link:hover,
.email-link:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  transform: translateY(-1px);
}

.email-link:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

@media (max-width: 600px) {
  body {
    padding: 2rem 1.25rem;
  }

  .tagline {
    font-size: 0.98rem;
  }

  .email-link {
    font-size: 0.9rem;
  }
}