:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --text: #131313;
  --muted: #5d5850;
  --surface: rgba(255, 255, 255, 0.7);
  --border: rgba(19, 19, 19, 0.12);
  --shadow: 0 20px 60px rgba(19, 19, 19, 0.12);
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0f1115;
  --text: #f4f1ea;
  --muted: #b5b0a7;
  --surface: rgba(24, 27, 34, 0.8);
  --border: rgba(244, 241, 234, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.45), transparent 35%),
    linear-gradient(160deg, var(--bg), color-mix(in srgb, var(--bg) 80%, #b89c6b 20%));
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.theme-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 12px 16px;
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  width: min(720px, 100%);
  padding: 56px 32px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 10vw, 6rem);
  line-height: 0.95;
}

.subtext {
  margin: 18px 0 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--muted);
}

@media (max-width: 600px) {
  .theme-toggle {
    top: 16px;
    right: 16px;
  }

  .hero {
    padding: 44px 20px;
    border-radius: 22px;
  }
}