:root {
  color-scheme: dark;

  --background: #12101d;
  --background-secondary: #1b1729;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-hover: rgba(255, 255, 255, 0.085);
  --border: rgba(255, 255, 255, 0.11);
  --text: #f7f4ff;
  --text-secondary: #b9b3c9;
  --accent: #eeaa98;
  --accent-secondary: #c8a9ff;
  --success: #92d6b5;
  --maximum-width: 880px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 8% 5%, rgba(122, 92, 170, 0.25), transparent 32rem),
    radial-gradient(circle at 92% 0%, rgba(238, 170, 152, 0.12), transparent 28rem),
    var(--background);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.72;
}

a {
  color: var(--accent);
  text-underline-offset: 4px;
}

a:hover {
  color: #ffd0c3;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(18, 16, 29, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-content {
  width: min(calc(100% - 32px), 1100px);
  min-height: 72px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(238, 170, 152, 0.28);
  border-radius: 13px;
  background: linear-gradient(
    145deg,
    rgba(238, 170, 152, 0.25),
    rgba(200, 169, 255, 0.13)
  );
  color: var(--accent);
  font-size: 21px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  background: var(--surface-hover);
  color: var(--text);
}

main {
  width: min(calc(100% - 32px), var(--maximum-width));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.hero {
  margin-bottom: 48px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(38px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.subtitle {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--text-secondary);
  font-size: 18px;
}

.metadata {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
}

.card,
section {
  margin: 18px 0;
  padding: clamp(22px, 5vw, 38px);
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.13);
}

h2 {
  margin: 0 0 15px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h3 {
  margin: 26px 0 8px;
  font-size: 18px;
}

p {
  margin: 12px 0;
}

ul,
ol {
  padding-left: 24px;
}

li {
  margin: 8px 0;
}

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

.notice {
  border-left: 3px solid var(--accent);
}

.success-notice {
  border-left: 3px solid var(--success);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.link-card {
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.link-card:hover {
  transform: translateY(-3px);
  border-color: rgba(238, 170, 152, 0.38);
  background: var(--surface-hover);
  color: var(--text);
}

.link-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 19px;
}

.link-card span {
  color: var(--text-secondary);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 12px;
  padding: 0 20px;
  border-radius: 14px;
  background: var(--accent);
  color: #241a2a;
  font-weight: 800;
  text-decoration: none;
}

.button:hover {
  background: #ffd0c3;
  color: #241a2a;
}

footer {
  width: min(calc(100% - 32px), 1100px);
  margin: auto;
  padding: 28px 0 44px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
}

footer div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

footer p {
  margin: 0;
}

footer a {
  color: var(--text-secondary);
}

@media (max-width: 760px) {
  .header-content {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
  }

  nav a {
    padding-left: 0;
    padding-right: 15px;
  }

  main {
    padding-top: 48px;
  }

  .link-grid {
    grid-template-columns: 1fr;
  }

  .card,
  section {
    border-radius: 20px;
  }
}