:root {
  color-scheme: dark;
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background: #10131d;
  color: #fff;
}

* { box-sizing: border-box; }

html, body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

body { background: #10131d; }

.landing-page {
  position: relative;
  isolation: isolate;
  min-height: 210svh;
  display: grid;
  align-items: end;
  padding: clamp(22px, 6vw, 86px);
  overflow: hidden;
  background: #05080f;
}

.landing-page::before {
  position: fixed;
  z-index: 0;
  inset: -32px;
  content: "";
  background: url("assets/hen-card-background.png") center / cover no-repeat;
  filter: blur(28px);
  opacity: .72;
  transform: scale(1.06);
}

.landing-page::after {
  position: fixed;
  z-index: 0;
  inset: 0;
  content: "";
  background: url("assets/hen-card-background.png") center top / cover no-repeat;
}

.shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 8, 15, .78), rgba(5, 8, 15, .08) 78%),
    linear-gradient(0deg, rgba(5, 8, 15, .74), transparent 52%);
}

.message-card {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 22px;
  background: rgba(9, 13, 24, .62);
  box-shadow: 0 22px 70px rgba(0, 0, 0, .38);
  backdrop-filter: blur(8px);
}

.small-title {
  margin: 0 0 18px;
  color: #ffb2cd;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .18em;
}

h1 {
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4.4rem);
  line-height: 1.15;
  letter-spacing: -.06em;
}

.description {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .9);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 2;
}

.description a {
  color: #ffb2cd;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (min-width: 601px) {
  .landing-page {
    background-color: #05080f;
    background-size: contain;
    background-position: center top;
  }

  .landing-page::before {
    opacity: .92;
    filter: blur(22px);
  }

  .shade {
    background:
      linear-gradient(90deg, rgba(5, 8, 15, .28), rgba(5, 8, 15, .04) 78%),
      linear-gradient(0deg, rgba(5, 8, 15, .62), transparent 52%);
  }

  .landing-page::after {
    background-size: contain;
    background-position: center top;
  }
}

.site-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding: 13px 20px;
  border-radius: 999px;
  background: #e84e85;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}

.site-link:hover, .site-link:focus-visible {
  background: #ff70a2;
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  .landing-page {
    align-items: end;
    padding: 16px;
    background-position: 53% top;
  }

  .landing-page {
    min-height: 210svh;
  }

  .message-card {
    padding: 24px 20px;
    border-radius: 18px;
  }
}