:root {
  color-scheme: dark;
  --background: #070914;
  --surface: #111526;
  --text: #f7f4f7;
  --muted: #b8bac8;
  --line: #30364f;
  --pink: #ff2b78;
  --cyan: #51d9dc;
  --content: 68rem;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--background); }
body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-size: 1rem;
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.2em; }
a:focus-visible, .button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}
.wrap {
  width: min(calc(100% - 2.5rem), var(--content));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.65rem 0.9rem;
  color: var(--background);
  background: var(--cyan);
  font-weight: 750;
}
.skip-link:focus { top: 1rem; }
.site-header { border-bottom: 1px solid var(--line); }
.header-row, .footer-row {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.brand img { border-radius: 22%; }
nav { display: flex; align-items: center; gap: 1.4rem; }
nav a, footer a { color: var(--muted); font-weight: 700; }
nav a:hover, footer a:hover { color: var(--text); }
.hero {
  min-height: 37rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 23rem);
  align-items: center;
  gap: clamp(3rem, 9vw, 7rem);
  padding-block: clamp(4rem, 10vw, 8rem);
}
.label {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2 { margin: 0; line-height: 1.08; }
h1 {
  font-size: clamp(3.4rem, 10vw, 6.5rem);
  letter-spacing: -0.065em;
}
h2 {
  font-size: clamp(1.8rem, 5vw, 2.7rem);
  letter-spacing: -0.035em;
}
.tagline {
  max-width: 37rem;
  margin: 1.4rem 0 0;
  color: var(--pink);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 750;
  line-height: 1.3;
}
.intro {
  max-width: 39rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.1rem;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}
.button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
}
.button:hover { border-color: var(--cyan); }
.button.primary {
  border-color: var(--pink);
  color: #19030c;
  background: var(--pink);
}
.app-icon {
  width: min(100%, 23rem);
  border-radius: 24%;
  justify-self: end;
}
.facts-section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
  border-block: 1px solid var(--line);
  background: var(--surface);
}
.facts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
  background: var(--line);
}
.facts li {
  min-height: 9rem;
  padding: 1.2rem;
  background: var(--surface);
}
.facts strong, .facts span { display: block; }
.facts strong { color: var(--cyan); }
.facts span {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.explanation {
  max-width: 50rem;
  padding-block: clamp(4rem, 10vw, 7rem);
}
.explanation p { margin: 1.4rem 0 0; color: var(--muted); }
.note { padding-left: 1rem; border-left: 3px solid var(--pink); }
.guides-section {
  max-width: 50rem;
  padding-block: 0 clamp(4rem, 10vw, 7rem);
}
.guides-section h2 { font-size: 1.6rem; }
.guides-section p { margin: 0.8rem 0 0; color: var(--muted); }
.guides-section ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}
.guides-section a, .article-page a, .guide-index a { color: var(--cyan); }
footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.policy-page {
  width: min(calc(100% - 2.5rem), 49rem);
  margin-inline: auto;
  padding-block: clamp(3rem, 8vw, 6rem);
}
.policy-page > header {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.effective-date { margin: 1rem 0 0; color: var(--muted); }
.policy-intro {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}
.data-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  margin-block: 2.5rem;
  background: var(--line);
}
.data-summary div { padding: 1.2rem; background: var(--surface); }
.data-summary strong, .data-summary span { display: block; }
.data-summary strong { color: var(--cyan); }
.data-summary span {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.policy-page section {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}
.policy-page section h2 { font-size: 1.45rem; }
.policy-page section p, .policy-page section li { color: var(--muted); }
.policy-page section ul { padding-left: 1.25rem; }
.article-page, .guide-index {
  width: min(calc(100% - 2.5rem), 47rem);
  margin-inline: auto;
  padding-block: clamp(3rem, 8vw, 6rem);
}
.article-page article > header, .guide-index > header {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.article-page h1, .guide-index h1 {
  max-width: 45rem;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: -0.05em;
}
.article-page .standfirst, .guide-index .standfirst {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}
.article-page section { padding-top: 2.8rem; }
.article-page h2 { font-size: clamp(1.65rem, 5vw, 2.2rem); }
.article-page h3 { margin: 2rem 0 0; font-size: 1.2rem; }
.article-page p, .article-page li { color: var(--muted); }
.article-page p { margin: 1.15rem 0 0; }
.article-page ul, .article-page ol { padding-left: 1.35rem; }
.article-page .related-guides {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.article-page .related-guides h2 { font-size: 1.45rem; }
.guide-list { padding: 0; margin: 0; list-style: none; }
.guide-list li { padding-block: 2rem; border-bottom: 1px solid var(--line); }
.guide-list h2 { font-size: 1.45rem; letter-spacing: -0.02em; }
.guide-list p { margin: 0.65rem 0 0; color: var(--muted); }

@media (max-width: 760px) {
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .app-icon {
    width: min(70vw, 18rem);
    justify-self: start;
    grid-row: 1;
  }
  .facts { grid-template-columns: 1fr; }
  .facts li { min-height: auto; }
}

@media (max-width: 520px) {
  .header-row, .footer-row {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 1rem;
  }
  nav { width: 100%; justify-content: space-between; }
  .actions { align-items: stretch; flex-direction: column; }
  .data-summary { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}