:root {
  color-scheme: dark;
  --ink: #f8f2ff;
  --muted: #c7bdd5;
  --panel: rgba(29, 16, 43, 0.86);
  --line: rgba(255, 255, 255, 0.14);
  --pink: #ff4fc8;
  --cyan: #54e8ff;
  --violet: #9b72ff;
}

* {
  box-sizing: border-box;
}

html {
  background: #09050f;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(255, 79, 200, 0.2), transparent 32rem),
    radial-gradient(circle at 92% 18%, rgba(84, 232, 255, 0.14), transparent 28rem),
    #09050f;
}

a {
  color: var(--cyan);
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: #b9f7ff;
}

.shell {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 72px;
}

header,
main,
footer {
  width: 100%;
}

.brand {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.brand::before {
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--pink);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--pink);
  content: "";
}

.hero {
  padding: 72px 0 34px;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--pink);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.8rem);
  letter-spacing: -0.055em;
}

h2 {
  margin: 2.5rem 0 0.7rem;
  font-size: 1.45rem;
}

h3 {
  margin: 1.8rem 0 0.4rem;
  font-size: 1.05rem;
}

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

.lead {
  max-width: 680px;
  margin: 1.35rem 0 0;
  font-size: 1.12rem;
}

.panel,
.document {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
}

.card {
  min-height: 160px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--ink);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.035);
}

.card:hover,
.card:focus-visible {
  border-color: var(--violet);
  background: rgba(155, 114, 255, 0.1);
}

.card strong {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 1.12rem;
}

.card span {
  color: var(--muted);
}

.document {
  margin-top: 36px;
  padding: clamp(22px, 5vw, 54px);
}

.document h1 {
  font-size: clamp(2rem, 6vw, 3.6rem);
}

.meta,
.note {
  color: var(--muted);
  font-size: 0.92rem;
}

.note {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--cyan);
  background: rgba(84, 232, 255, 0.07);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.94rem;
}

th,
td {
  padding: 0.85rem 0.7rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--ink);
}

.language-divider {
  margin: 3.5rem 0 2.5rem;
  border: 0;
  border-top: 1px solid var(--line);
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  justify-content: space-between;
  padding-top: 28px;
  color: var(--muted);
  font-size: 0.85rem;
}

footer nav {
  display: flex;
  gap: 1rem;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 22px, 900px);
    padding-top: 24px;
  }

  .hero {
    padding-top: 52px;
  }

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

  .document {
    border-radius: 16px;
  }

  table,
  tbody,
  tr,
  th,
  td {
    display: block;
  }

  th {
    padding-bottom: 0.15rem;
    border-bottom: 0;
  }

  td {
    padding-top: 0.15rem;
  }
}