:root {
  --bg: #09090b;
  --bg-raised: #0f0f12;
  --line: #1f1f24;
  --text: #ececef;
  --muted: #8b8b96;
  --faint: #5a5a64;
  --accent: #c8f5a8;
  --accent-ink: #0f1408;
  --max: 920px;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --space: clamp(1rem, 3vw, 1.75rem);
  --radius: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: var(--space);
  top: 0.5rem;
  width: auto;
  height: auto;
  padding: 0.5rem 0.75rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  z-index: 100;
}

.wrap {
  width: min(var(--max), calc(100% - var(--space) * 2));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(8px);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--accent);
  text-decoration: none;
}

.brand img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 1rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4.2vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 18ch;
}

.hero .tagline {
  margin: 0 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 42ch;
}

.hero .lead {
  margin: 0 0 2rem;
  color: var(--muted);
  max-width: 62ch;
  font-size: 1.02rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}

.btn-primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--muted);
  text-decoration: none;
}

.strip {
  border-bottom: 1px solid var(--line);
  background: var(--bg-raised);
}

.strip dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem 2rem;
  margin: 0;
  padding: 1.25rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.strip dt {
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 0.25rem;
}

.strip dd {
  margin: 0;
  color: var(--text);
}

.section {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  border-bottom: 1px solid var(--line);
}

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

.section-head {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--faint);
  text-transform: uppercase;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section p {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 68ch;
}

.section p:last-child {
  margin-bottom: 0;
}

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

@media (min-width: 720px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  background: var(--bg-raised);
}

.panel h3 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.panel p {
  margin: 0;
  font-size: 0.92rem;
}

.list-check {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

.list-check li {
  padding: 0.35rem 0;
  border-top: 1px solid var(--line);
}

.list-check li:first-child {
  border-top: none;
}

.faq {
  display: grid;
  gap: 1rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  background: var(--bg-raised);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
}

.faq p {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
}

.site-footer {
  padding: 2rem 0 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--faint);
}

.site-footer p {
  margin: 0 0 0.5rem;
}

.site-footer a {
  color: var(--muted);
}