@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700;900&family=Titillium+Web:wght@400;600;700;900&display=swap');

* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #0b0e10;
  --panel: rgba(17, 21, 23, 0.92);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-main: #f5f7fa;
  --text-muted: #b4bcc7;
  --text-soft: #8f98a3;
  --accent: #2bd6ff;
  --accent-soft: rgba(43, 214, 255, 0.12);
  --cta: #91ff57;
  --font-heading: "Lato", sans-serif;
  --font-body: "Lato", sans-serif;
  --font-data: "Titillium Web", sans-serif;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(43, 214, 255, 0.12), transparent 34%),
    radial-gradient(circle at top right, rgba(145, 255, 87, 0.08), transparent 24%),
    linear-gradient(180deg, #050505 0%, #090b0c 100%);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 90%);
  pointer-events: none;
  z-index: -1;
}

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

.legal-shell {
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.page-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-brand {
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.1rem;
  text-decoration: none;
}

.page-brand span {
  color: var(--accent);
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switcher button {
  border: none;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0.7rem 0.95rem;
}

.lang-switcher button.active {
  background: var(--accent);
  color: #071216;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.legal-shell h1 {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
}

.legal-summary {
  margin: 0;
  max-width: 72ch;
  color: var(--text-muted);
}

.legal-meta {
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

.legal-nav a {
  padding: 0.75rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text-main);
  text-decoration: none;
}

.legal-nav a[aria-current="page"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.legal-card {
  padding: 2rem;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: var(--panel);
}

.legal-card h2 {
  margin-top: 0;
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.legal-card h3 {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
}

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

.legal-card strong {
  color: var(--text-main);
}

.legal-card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.legal-card code {
  color: var(--text-main);
  font-family: var(--font-data);
  font-size: 0.96em;
  font-weight: 700;
}

.legal-card section[hidden] {
  display: none;
}

.metric-grid {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  padding: 1rem 1.1rem;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.02);
}

.metric-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.15rem;
}

.metric-card span {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.term-grid {
  display: grid;
  gap: 0.8rem;
  margin: 1.25rem 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.term-card {
  padding: 0.95rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: rgba(43, 214, 255, 0.04);
}

a.term-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

a.term-card:hover,
a.term-card:focus-visible {
  border-color: rgba(43, 214, 255, 0.55);
  background: rgba(43, 214, 255, 0.08);
}

.term-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 0.98rem;
  letter-spacing: 0.04em;
}

.term-card span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.knowledge-shell {
  width: min(1120px, calc(100% - 2rem));
}

.knowledge-hub-card,
.knowledge-article-card {
  display: grid;
  gap: 1.35rem;
}

.knowledge-answer-grid,
.knowledge-route-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.knowledge-answer-grid article,
.knowledge-route-grid article {
  padding: 1.1rem;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.025);
}

.knowledge-answer-grid strong,
.knowledge-route-grid strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-family: var(--font-data);
  letter-spacing: 0.04em;
}

.knowledge-answer-grid span,
.knowledge-route-grid span {
  color: var(--text-muted);
}

.knowledge-route-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.knowledge-term-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.knowledge-faq {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.knowledge-faq h2 {
  margin: 0.5rem 0;
}

.faq-item {
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.faq-item summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  color: var(--text-main);
  font-weight: 800;
}

.faq-content {
  padding: 0 1.1rem 1rem;
  color: var(--text-muted);
}

.doc-action-panel {
  display: grid;
  gap: 0.9rem;
  margin: 1.5rem 0 0;
  padding: 1.35rem;
  border: 1px solid rgba(145, 255, 87, 0.24);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(145, 255, 87, 0.13), transparent 34%),
    rgba(255, 255, 255, 0.03);
}

.doc-action-panel h3 {
  margin: 0;
  font-size: 1.1rem;
}

.doc-action-panel p {
  margin: 0;
}

.doc-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 3rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.doc-button--primary {
  background: var(--cta);
  color: #071216;
  box-shadow: 0 18px 44px rgba(145, 255, 87, 0.16);
}

.doc-button--secondary {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.floating-back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(8, 12, 10, 0.9);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.34);
}

.floating-back-to-top:hover,
.floating-back-to-top:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.legal-footer {
  margin-top: 2rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.legal-footer a {
  color: var(--text-main);
}

@media (max-width: 720px) {
  .legal-shell {
    width: min(100% - 1rem, 980px);
    padding: 1.25rem 0 3rem;
  }

  .page-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-card {
    padding: 1.25rem;
    border-radius: 20px;
  }

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

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

  .knowledge-answer-grid,
  .knowledge-route-grid,
  .knowledge-term-grid {
    grid-template-columns: 1fr;
  }

  .doc-button {
    width: 100%;
  }
}