:root {
  --bg: #0a0a09;
  --surface: #121211;
  --border: #262624;
  --text: #eceae4;
  --muted: #9a9890;
  --accent: #c9f31a;
  --accent-dim: rgba(201, 243, 26, 0.14);
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 68rem;
  --space: clamp(1rem, 3vw, 1.75rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #0a0a09;
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.5rem var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
}

.brand img {
  height: 1.5rem;
  width: auto;
  display: block;
}

.nav-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-inline a {
  text-decoration: none;
  color: var(--muted);
}

.nav-inline a:hover {
  color: var(--accent);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space) 4rem;
}

.hero {
  padding: clamp(2.5rem, 8vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 22ch;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #0a0a09;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, white);
  color: #0a0a09;
}

.meta-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--border);
  border: 1px solid var(--border);
  border-top: none;
}

.meta-strip li {
  background: var(--bg);
  padding: 1rem 1.1rem;
}

.meta-strip dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 0.35rem;
}

.meta-strip dd {
  margin: 0;
  font-size: 0.95rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

section {
  padding: clamp(2.5rem, 5vw, 3.75rem) 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

section h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.prose {
  color: var(--muted);
  max-width: 65ch;
}

.prose p {
  margin: 0 0 1rem;
}

.grid-2 {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 52rem) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.card-list li {
  border: 1px solid var(--border);
  padding: 1.1rem 1.2rem;
  background: var(--surface);
}

.card-list strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.card-list span {
  font-size: 0.9rem;
  color: var(--muted);
}

.steps {
  counter-reset: step;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.steps li {
  border-left: 2px solid var(--border);
  padding-left: 1.25rem;
  position: relative;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.35rem;
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 60ch;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.faq details {
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  background: var(--surface);
  margin-bottom: 0.5rem;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details[open] summary {
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.faq p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.sources {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.sources a {
  display: block;
  border: 1px solid var(--border);
  padding: 1rem 1.1rem;
  text-decoration: none;
  background: var(--surface);
}

.sources a:hover {
  border-color: var(--accent);
}

.sources .title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.sources .desc {
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--space) 3rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0 0 0.5rem;
  max-width: 55ch;
}

.legal {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  margin-top: 1rem;
}
