:root {
  --bg-top: #f6f2ea;
  --bg-bottom: #dfe7f5;
  --ink: #1a1a1a;
  --card: #ffffffcc;
  --shadow: 0 18px 40px rgba(16, 24, 40, 0.18);
  --accent-bill: #3a5a40;
  --accent-laura: #9f5b4a;
  --border: #1a1a1a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 20% 20%, var(--bg-top), transparent),
    radial-gradient(1000px 700px at 80% 80%, var(--bg-bottom), transparent),
    #f8f6f0;
}

main {
  width: min(920px, 92vw);
  padding: 36px 28px 44px;
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

h1 {
  margin: 0 0 22px;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.site-button {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  justify-items: center;
  padding: 22px 20px 24px;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 6px 16px rgba(12, 12, 12, 0.12);
}

.site-button:focus-visible,
.site-button:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 26px rgba(12, 12, 12, 0.2);
}

.label {
  margin-top: 12px;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.avatar {
  width: min(280px, 70vw);
  height: min(280px, 70vw);
  object-fit: contain;
  background: #ffffff;
  border-radius: 18px;
  display: block;
}

.bill {
  border-color: var(--accent-bill);
}

.laura {
  border-color: var(--accent-laura);
}

@media (max-width: 700px) {
  main {
    padding: 28px 18px 32px;
  }

  .choices {
    grid-template-columns: 1fr;
  }

  .label {
    font-size: 15px;
  }
}