:root {
  color-scheme: light;
  --bg: #f8fafc;
  --ink: #132033;
  --muted: #536276;
  --accent: #157347;
  --accent-dark: #0f5132;
  --card: rgba(255, 255, 255, 0.88);
  --line: rgba(19, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans HK", "PingFang HK", "Microsoft JhengHei", Arial,
    sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, #e0f2fe 0, transparent 32rem),
    radial-gradient(circle at 80% 10%, #dcfce7 0, transparent 28rem),
    var(--bg);
}

main {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 2rem 1rem;
}

.hero {
  display: grid;
  width: min(100%, 58rem);
  grid-template-columns: minmax(13rem, 20rem) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: var(--card);
  box-shadow: 0 1.5rem 4rem rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(12px);
}

.disc-wrap {
  display: grid;
  place-items: center;
}

.disc {
  width: min(70vw, 17rem);
  height: min(70vw, 17rem);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 50% 50%,
      #f8fafc 0 11%,
      #dbeafe 11.5% 15%,
      transparent 15.5%
    ),
    radial-gradient(
      circle at 50% 50%,
      transparent 0 31%,
      rgba(255, 255, 255, 0.85) 31.5% 33%,
      transparent 33.5%
    ),
    radial-gradient(
      circle at 50% 50%,
      transparent 0 63%,
      rgba(19, 32, 51, 0.12) 63.5% 64.5%,
      transparent 65%
    ),
    linear-gradient(125deg, rgba(255, 255, 255, 0.9), transparent 34%),
    conic-gradient(
      from -35deg,
      #f8fafc 0deg,
      #bae6fd 42deg,
      #c4b5fd 88deg,
      #fbcfe8 132deg,
      #fde68a 178deg,
      #bbf7d0 224deg,
      #bfdbfe 274deg,
      #f8fafc 360deg
    );
  box-shadow:
    inset 0 0 1.6rem rgba(255, 255, 255, 0.92),
    inset 0 0 0 0.7rem rgba(255, 255, 255, 0.2),
    inset 0 0 0 1.7rem rgba(255, 255, 255, 0.13),
    0 1.2rem 3rem rgba(15, 23, 42, 0.22);
  overflow: hidden;
  position: relative;
}

.disc::before {
  content: "";
  position: absolute;
  inset: 6%;
  border-radius: inherit;
  background:
    linear-gradient(
      115deg,
      transparent 0 28%,
      rgba(255, 255, 255, 0.75) 35%,
      transparent 44%
    ),
    linear-gradient(
      295deg,
      transparent 0 55%,
      rgba(255, 255, 255, 0.55) 63%,
      transparent 72%
    );
  mix-blend-mode: screen;
}

.disc::after {
  content: "";
  position: absolute;
  inset: 36%;
  border: 1px solid rgba(19, 32, 51, 0.12);
  border-radius: inherit;
  background: radial-gradient(
    circle,
    #f8fafc 0 42%,
    #dbeafe 43% 61%,
    #f8fafc 62% 100%
  );
  box-shadow:
    inset 0 0 1rem rgba(15, 23, 42, 0.1),
    0 0 0 0.65rem rgba(255, 255, 255, 0.28);
}

.disc-price {
  position: absolute;
  z-index: 1;
  top: 57%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(19, 32, 51, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent-dark);
  font-size: clamp(0.95rem, 3vw, 1.25rem);
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 0.5rem 1.2rem rgba(15, 23, 42, 0.12);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.language-switcher {
  display: inline-flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.language-switcher button {
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 800;
}

.language-switcher button[aria-pressed="true"] {
  background: var(--accent);
  color: white;
}

.language-switcher button:focus-visible {
  outline: 3px solid rgba(21, 115, 71, 0.35);
  outline-offset: 2px;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 6vw, 4.25rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

p {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.3vw, 1.28rem);
  line-height: 1.85;
}

.details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-weight: 700;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  margin-top: 1.5rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 0.8rem 1.8rem rgba(21, 115, 71, 0.26);
}

.cta:focus-visible {
  outline: 3px solid rgba(21, 115, 71, 0.35);
  outline-offset: 4px;
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .details {
    justify-content: center;
  }
}