* {
  box-sizing: border-box;
}

:root {
  --background: #f7f7f5;
  --text: #000000;
  --headline: #0055ff;
  --primary-button-bg: #000000;
  --primary-button-text: #ffffff;
  --secondary-button-bg: #f7f7f5;
  --secondary-button-text: #000000;
  --secondary-button-border: #000000;
  --button-shadow: rgba(0, 0, 0, 0.22);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Source Sans 3", sans-serif;
  background: var(--background);
  color: var(--text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.landing {
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(3.15rem, 10.8vw, 10.8rem);
  font-weight: 700;
  color: #0055ff;
  line-height: 0.9;
  letter-spacing: -0.01em;
}

.button-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: clamp(40px, 6vw, 72px);
  flex-wrap: wrap;
}

.pill-button {
  display: inline-block;
  min-width: 144px;
  padding: 12px 24px;
  margin: 10px 5px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pill-button:hover {
  transform: scale(1.0);
  box-shadow: 0 4px 12px var(--button-shadow);
}

.pill-button.primary {
  background-color: var(--primary-button-bg);
  border: 2px solid var(--primary-button-bg);
  color: var(--primary-button-text);
}

.pill-button.secondary {
  background-color: var(--secondary-button-bg);
  border: 2px solid var(--secondary-button-border);
  color: var(--secondary-button-text);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111111;
    --text: #ffffff;
    --headline: #0055ff;
    --primary-button-bg: #ffffff;
    --primary-button-text: #000000;
    --secondary-button-bg: #111111;
    --secondary-button-text: #ffffff;
    --secondary-button-border: #ffffff;
    --button-shadow: rgba(255, 255, 255, 0.22);
  }
}

@media (max-width: 520px) {
  .button-group {
    flex-direction: column;
    gap: 8px;
  }

  .pill-button {
    width: 100%;
    max-width: 220px;
  }
}