:root {
  --background: #f8f4ee;
  --surface: rgba(255, 253, 249, 0.62);
  --border: rgba(255, 255, 255, 0.75);
  --text: #29231f;
  --muted-text: #66594f;
  --accent: #2f4b63;
  --glow-one: #e9d3b8;
  --glow-two: #c9d6e2;
  --glow-three: #eadfd2;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #12161c;
    --surface: rgba(27, 33, 41, 0.58);
    --border: rgba(255, 255, 255, 0.12);
    --text: #eef1f4;
    --muted-text: #9aa5b1;
    --accent: #8eb4e3;
    --glow-one: #24476f;
    --glow-two: #2b3a4b;
    --glow-three: #1e3554;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--background);
  background-image:
    radial-gradient(ellipse 70% 38% at 12% 8%, var(--glow-one), transparent 70%),
    radial-gradient(ellipse 62% 34% at 98% 50%, var(--glow-two), transparent 70%),
    radial-gradient(ellipse 68% 30% at 18% 98%, var(--glow-three), transparent 70%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

header a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 20px;
}

.logo {
  width: 40px;
  height: 40px;
  color: var(--accent);
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  margin: 0 0 8px;
}

.muted {
  color: var(--muted-text);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  margin: 16px 0;
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
}

.panel p:last-child,
.panel ul:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
}

.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--background);
  font-weight: 700;
  text-decoration: none;
}

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

nav.links a {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  font-weight: 700;
}

footer {
  margin-top: 40px;
  font-size: 14px;
  color: var(--muted-text);
}

footer a {
  margin-right: 16px;
}