:root {
  --bg-top: #080e2a;
  --bg-mid: #1a1248;
  --bg-bottom: #4a2890;
  --accent: #9f72ee;
  --accent-light: #54c9ff;
  --text: #f4f7fa;
  --text-muted: #b8c4d8;
  --card: rgba(26, 18, 72, 0.72);
  --border: rgba(216, 216, 255, 0.22);
  --heart: #ff7877;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(
    180deg,
    var(--bg-top) 0%,
    var(--bg-mid) 42%,
    var(--bg-bottom) 100%
  );
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.site-header {
  text-align: center;
  padding: 48px 0 28px;
}

.logo-badge {
  width: 88px;
  height: 88px;
  margin: 0 auto 18px;
  border-radius: 22px;
  background: radial-gradient(circle at 30% 25%, #ffb3d9, #9f72ee 55%, #1a1248);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  display: grid;
  place-items: center;
  font-size: 36px;
}

.site-header h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: 0.02em;
}

.site-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 28px 0 36px;
}

.nav a,
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.nav a:hover,
.btn:hover {
  background: rgba(159, 114, 238, 0.22);
  text-decoration: none;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px 28px 32px;
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.card h2 {
  margin-top: 0;
  color: var(--heart);
  font-size: 1.55rem;
}

.card h3 {
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--accent-light);
  font-size: 1.12rem;
}

.card p,
.card li {
  color: var(--text-muted);
}

.card ul {
  padding-left: 1.25rem;
}

.card li + li {
  margin-top: 8px;
}

.meta {
  margin-top: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.footer {
  text-align: center;
  margin-top: 36px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 24px;
}

.grid .card {
  padding: 22px;
}

.grid h3 {
  margin-top: 0;
}

code,
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
  word-break: break-all;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 640px) {
  .wrap {
    width: min(920px, calc(100% - 20px));
  }

  .card {
    padding: 22px 18px 26px;
  }
}