:root {
  color-scheme: light dark;
  --background: #f4f1eb;
  --card: rgba(255, 255, 255, 0.72);
  --text: #1c2737;
  --muted: #7f7973;
  --line: rgba(28, 39, 55, 0.12);
  --accent: #638ca6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f1d34;
    --card: rgba(255, 255, 255, 0.08);
    --text: #f6f7fb;
    --muted: #b8c0cf;
    --line: rgba(255, 255, 255, 0.14);
    --accent: #93afc0;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(147, 175, 192, 0.18), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 48px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  display: block;
  object-fit: cover;
}

.links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}

.card {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: var(--card);
  box-shadow: 0 22px 60px rgba(31, 45, 63, 0.08);
  backdrop-filter: blur(18px);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(38px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

h2 {
  margin: 34px 0 10px;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
}

p {
  margin: 0 0 18px;
}

ul {
  margin: 0;
  padding-left: 22px;
}

.meta {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--text);
  color: var(--background);
  font-size: 15px;
  font-weight: 650;
}

.button.secondary {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 28px, 760px);
    padding: 34px 0;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 30px;
  }

  .card {
    padding: 28px;
    border-radius: 28px;
  }
}