:root {
  color-scheme: dark;
  --paper: #10110f;
  --panel: #181a17;
  --ink: #f4f1ea;
  --muted: #aaa49a;
  --rule: #2c2e2a;
  --mark: #7dcea8;
  --header: rgba(16, 17, 15, 0.92);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow-wrap: break-word;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--header);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 680;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  display: block;
  height: 1.35rem;
  width: auto;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
}

nav a,
.footer-links a,
.header-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.header-link {
  margin-left: auto;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
}

nav a:hover,
.footer-links a:hover,
.header-link:hover,
.cards a:hover,
nav a.here,
.footer-links a.here {
  color: var(--mark);
}

main {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 1.75rem 4rem;
}

section {
  scroll-margin-top: 4.75rem;
}

.hero {
  padding: 5.5rem 0 3.5rem;
  max-width: 42rem;
}

.hero-logo {
  display: block;
  width: min(22rem, 100%);
  height: auto;
  margin: 0 0 1.35rem;
}

.terminal {
  margin: 1.35rem 0 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: #0a0b09;
  color: #d6d2c8;
  font: 0.9rem/1.55 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.terminal code {
  font: inherit;
}

.terminal-caption {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin: 1rem 0 0;
  font-size: 0.9rem;
}

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

.hero-links a:hover {
  color: var(--mark);
}

.note,
.good-for {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 40rem;
}

.good-for {
  margin-top: 0.75rem;
}

.steps code,
.good-for code,
.faq code {
  font: 0.9em/1.4 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.key-table {
  width: 100%;
  margin-top: 1.4rem;
  border-collapse: collapse;
}

.key-table th,
.key-table td {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.key-table th {
  padding-top: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-top: 1px solid var(--rule);
}

.key-table th:first-child,
.key-table td:first-child {
  width: min(22rem, 48%);
  padding-right: 2rem;
}

.key-table td:last-child {
  color: var(--muted);
}

h1 {
  margin: 0.4rem 0 0.9rem;
  font-size: 3.4rem;
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

h2 {
  margin: 0 0 0.45rem;
  font-size: 1.7rem;
  font-weight: 640;
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 640;
}

.eyebrow {
  margin: 0;
  color: var(--mark);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead,
.section-lead {
  color: var(--muted);
  font-size: 1.12rem;
}

.section-lead {
  max-width: 36rem;
  margin-top: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.6rem 0 0;
}

.button {
  display: inline-block;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--mark);
  border-radius: 8px;
  background: var(--mark);
  color: #102019;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 650;
}

.button.quiet {
  background: transparent;
  border-color: var(--rule);
  color: var(--ink);
}

.button:hover {
  color: #102019;
}

.button.quiet:hover {
  color: var(--mark);
  border-color: var(--mark);
}

.status-line {
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: 0.92rem;
}

#product,
#features,
#devices,
#keys,
#faq,
#how,
#compare,
#when-things-go-wrong {
  padding-top: 3.5rem;
}

.faq {
  margin: 1.4rem 0 0;
  padding: 0;
}

.faq > div {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
}

.faq > div:first-child {
  border-top: 1px solid var(--rule);
}

.faq dt {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 640;
}

.faq dd {
  margin: 0;
  color: var(--muted);
}

.faq ul {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
}

.faq li + li {
  margin-top: 0.35rem;
}

.cards,
.features,
.steps {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.cards,
.steps {
  grid-template-columns: repeat(3, 1fr);
}

.features {
  grid-template-columns: repeat(3, 1fr);
}

.cards article,
.features article,
.steps article {
  min-width: 0;
  padding: 1.15rem 1.15rem 1.2rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 12px;
}

.cards p,
.features p,
.steps p,
.devices span {
  margin: 0;
  color: var(--muted);
}

.cards a {
  display: inline-block;
  max-width: 100%;
  margin-top: 0.8rem;
  color: var(--ink);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.group {
  margin: 1.8rem 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.devices {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.devices li {
  display: grid;
  grid-template-columns: minmax(14rem, 20rem) 1fr;
  gap: 0.35rem 2rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
}

.step {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  margin-bottom: 0.7rem;
  border-radius: 999px;
  background: var(--mark);
  color: #102019;
  font-size: 0.82rem;
  font-weight: 700;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 68rem;
  margin: 0 auto;
  padding: 1.5rem 1.75rem 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
}

footer strong {
  color: var(--ink);
}

footer p {
  margin: 0.25rem 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-content: flex-start;
}

.download-cards {
  align-items: stretch;
}

.os-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.yours {
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: var(--mark);
  color: #102019;
  letter-spacing: 0.04em;
}

.os-card.is-yours {
  border-color: var(--mark);
}

.requirements {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.requirements li + li {
  margin-top: 0.35rem;
}

@media (max-width: 800px) {
  h1 {
    font-size: 2.35rem;
  }

  .hero-logo {
    width: min(16rem, 100%);
    margin-bottom: 1.1rem;
  }

  .cards,
  .features,
  .steps,
  .devices li {
    grid-template-columns: 1fr;
  }

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

  .site-header {
    flex-wrap: wrap;
  }

  nav,
  .header-link {
    margin-left: 0;
  }

  nav {
    order: 3;
    width: 100%;
  }

  footer {
    flex-direction: column;
  }
}