:root {
  --bg: #0e0f13;
  --surface: #16181f;
  --elevated: #1d2029;
  --border: #272b38;
  --border-strong: #363b4c;
  --text: #ecedf1;
  --muted: #9ca0ae;
  --dim: #5e6374;
  --accent: #7c72e8;
  --accent-hover: #9a92f2;
  --accent-soft: rgba(124, 114, 232, 0.16);
  --safe: #46c08a;
  --warn: #e7b14c;
  --danger: #f26d5b;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ui: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.62 var(--ui);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--accent);
  text-underline-offset: 0.16em;
}
a:hover {
  color: var(--accent-hover);
}
code,
pre,
kbd {
  font-family: var(--mono);
}
code {
  font-size: 0.9em;
}
pre {
  margin: 1rem 0;
  padding: 1rem 1.1rem;
  overflow: auto;
  background: #101218;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  line-height: 1.55;
}
.wrap {
  max-width: 1160px;
  margin: auto;
  padding: 0 1.5rem;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 15, 19, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.brand {
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}
.brand::before {
  content: "S";
  display: inline-grid;
  place-items: center;
  width: 25px;
  height: 25px;
  margin-right: 0.5rem;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}
.page {
  display: grid;
  grid-template-columns: 210px minmax(0, 760px);
  gap: 3.5rem;
  padding-top: 3.5rem;
  padding-bottom: 4rem;
}
.toc {
  align-self: start;
  position: sticky;
  top: 84px;
  font-size: 0.88rem;
}
.toc p {
  margin: 0 0 0.5rem;
  color: var(--dim);
  font: 600 0.72rem var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.toc a {
  display: block;
  padding: 0.28rem 0;
  color: var(--muted);
  text-decoration: none;
}
.toc a:hover {
  color: var(--text);
}
.content {
  min-width: 0;
}
.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font: 650 0.75rem var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
}
.status::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--warn);
}
h1 {
  max-width: 780px;
  margin: 0 0 1rem;
  font-size: clamp(2.35rem, 5vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}
h2 {
  margin: 3.2rem 0 0.7rem;
  padding-top: 0.2rem;
  font-size: 1.7rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
h3 {
  margin: 1.6rem 0 0.3rem;
  font-size: 1.06rem;
}
p,
li {
  color: var(--muted);
}
li {
  margin: 0.35rem 0;
}
.lede {
  max-width: 680px;
  margin: 0;
  font-size: 1.15rem;
}
.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 9px;
  background: var(--surface);
  color: var(--muted);
}
.callout.warn {
  border-left-color: var(--warn);
}
.callout.danger {
  border-left-color: var(--danger);
}
.callout strong {
  color: var(--text);
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
}
.card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.card h3 {
  margin: 0 0 0.35rem;
}
.card p {
  margin: 0.35rem 0 0;
  font-size: 0.94rem;
}
.tag {
  margin: 0 0 0.5rem;
  color: var(--safe);
  font: 650 0.72rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  border: 1px solid var(--border);
  background: var(--surface);
}
th,
td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
th {
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.88rem;
}
td {
  color: var(--muted);
  font-size: 0.92rem;
}
tr:last-child td {
  border-bottom: 0;
}
.steps {
  counter-reset: steps;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}
.steps li {
  position: relative;
  padding: 0.9rem 0.9rem 0.9rem 3rem;
  border-bottom: 1px solid var(--border);
}
.steps li::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.95rem;
  color: var(--accent);
  font: 600 0.75rem var(--mono);
}
details {
  margin: 0.8rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
}
summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}
details p {
  margin: 0.7rem 0 0;
}
.footnotes {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}
.footnotes p {
  color: var(--dim);
}
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 3.5rem;
  font-size: 0.9rem;
}
footer p {
  color: var(--dim);
}
@media (max-width: 800px) {
  .page {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-top: 2.5rem;
  }
  .toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 1rem;
    padding: 0.8rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .toc p {
    width: 100%;
    margin: 0;
  }
  .toc a {
    padding: 0;
  }
  .nav-links a:not(.keep) {
    display: none;
  }
}
@media (max-width: 560px) {
  .wrap {
    padding: 0 1rem;
  }
  .nav-links {
    gap: 0.7rem;
    font-size: 0.82rem;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  h1 {
    font-size: 2.35rem;
  }
  table {
    font-size: 0.86rem;
  }
  th,
  td {
    padding: 0.65rem;
  }
  .content {
    overflow-wrap: anywhere;
  }
}

/* Public front door: product story first, progressive documentation beneath it. */
:where(a, summary, button):focus-visible {
  outline: 2px solid var(--accent-hover);
  outline-offset: 5px;
}
[id] {
  scroll-margin-top: 88px;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 16px;
  z-index: 50;
  padding: 12px 16px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: none;
}
.kicker,
.section-number,
.route-label {
  color: var(--muted);
  font: 500 0.75rem/1.5 var(--mono);
  letter-spacing: 0.07em;
}
.kicker {
  margin: 0 0 24px;
  text-transform: uppercase;
}
.landing .nav-inner,
.docs-hub .nav-inner {
  min-height: 72px;
  height: auto;
}
.landing .nav-links a,
.docs-hub .nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.landing-hero {
  padding-top: 80px;
  padding-bottom: 48px;
}
.landing-hero h1 {
  font-size: clamp(3.5rem, 7.5vw, 6.5rem);
  max-width: 960px;
  letter-spacing: -0.055em;
  line-height: 1.02;
  font-weight: 600;
}
.hero-lede {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  max-width: 660px;
  margin: 28px 0;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 28px 0 16px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 12px 20px;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}
.button:hover {
  background: var(--elevated);
  color: var(--text);
}
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.button.primary:hover {
  background: var(--accent-hover);
}
.preview-note {
  max-width: 680px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}
.preview-note strong {
  color: var(--text);
  font-weight: 500;
}
.landing figure {
  margin-top: 0;
}
.product-shot img,
.detail-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
}
.product-shot > a,
.detail-shot > a {
  display: block;
  border-radius: 12px;
}
.product-shot figcaption,
.detail-shot figcaption {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 16px 0;
}
.product-shot figcaption span {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}
.story-section {
  padding-top: 88px;
  padding-bottom: 48px;
}
.section-heading {
  max-width: 680px;
  margin-bottom: 40px;
}
.landing h2,
.hub-intro h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 600;
}
.landing h2 {
  margin: 0 0 24px;
}
.section-heading > p:last-child {
  font-size: 1.15rem;
}
.benefit-list {
  max-width: 800px;
  margin-left: auto;
}
.benefit-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.landing h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
  font-weight: 600;
}
.landing article p {
  margin: 0 0 16px;
}
.benefit-list a,
.tour-steps a,
.route-list a,
.text-link {
  display: inline-block;
  padding-block: 8px;
}
.tour-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding: 0;
  list-style: none;
}
.tour-steps li {
  border-top: 1px solid var(--border-strong);
  padding-top: 24px;
}
.tour-steps .section-number {
  display: block;
  margin-bottom: 24px;
}
.quiet-note {
  margin: 24px 0 0;
  padding: 20px 24px;
  border-left: 2px solid var(--border-strong);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.94rem;
}
.quiet-note strong {
  color: var(--text);
  font-weight: 500;
}
.feature-story {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}
.detail-shot {
  min-width: 0;
  margin: 0;
}
.route-list article {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.route-list article > div {
  max-width: 740px;
}
.reading-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.reading-paths > a {
  display: block;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
}
.reading-paths > a:hover {
  background: var(--surface);
  border-color: var(--border-strong);
}
.reading-paths .section-number {
  display: block;
  margin-bottom: 32px;
}
.reading-paths p {
  margin-bottom: 0;
  font-size: 0.94rem;
}
.resource-line {
  line-height: 2.2;
  font-size: 0.9rem;
  margin-top: 24px;
}
.release-facts {
  margin: 0;
}
.release-facts > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.release-facts dt {
  font-weight: 500;
}
.release-facts dd {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
}
.landing details {
  padding: 16px 24px;
}
.landing summary {
  min-height: 28px;
}
.final-invitation {
  padding-top: 96px;
  padding-bottom: 96px;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.site-footer nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.site-footer p {
  color: var(--muted);
}
.hub-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 64px;
  padding-top: 56px;
  padding-bottom: 80px;
}
.hub-layout .toc {
  top: 96px;
}
.hub-layout .toc a {
  padding-block: 10px;
}
.hub-intro {
  margin-bottom: 48px;
}
.hub-intro .lede {
  max-width: 680px;
}
.hub-group {
  margin: 48px 0;
  scroll-margin-top: 100px;
}
.hub-group h2 {
  margin: 0 0 12px;
}
.guide-list {
  padding: 0;
  margin: 24px 0;
  list-style: none;
}
.guide-list li {
  margin: 0;
  border-top: 1px solid var(--border);
}
.guide-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  column-gap: 16px;
  padding: 20px 0;
  text-decoration: none;
}
.guide-list a:hover strong {
  color: var(--accent-hover);
}
.guide-list strong {
  display: block;
  color: var(--text);
  font-weight: 500;
}
.guide-list span {
  display: block;
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 4px;
}
.guide-list a::after {
  content: "→";
  grid-column: 2;
  grid-row: 1;
  align-self: center;
}
.hub-layout table {
  overflow-wrap: anywhere;
}
@media (max-width: 800px) {
  .landing-hero {
    padding-top: 48px;
  }
  .story-section {
    padding-top: 56px;
    padding-bottom: 24px;
  }
  .feature-story {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .reading-paths,
  .tour-steps {
    grid-template-columns: 1fr;
  }
  .reading-paths .section-number {
    margin-bottom: 12px;
  }
  .tour-steps .section-number {
    margin-bottom: 16px;
  }
  .route-list article,
  .release-facts > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .hub-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 24px;
  }
  .hub-layout .toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0 24px;
  }
  .hub-layout .toc p {
    width: 100%;
  }
  .final-invitation {
    padding-block: 64px;
  }
}
@media (max-width: 560px) {
  .landing-hero h1 {
    font-size: clamp(3rem, 12vw, 4.5rem);
  }
  .benefit-list article {
    grid-template-columns: 32px 1fr;
    gap: 12px;
  }
  .actions {
    align-items: stretch;
  }
  .actions .button {
    flex-grow: 1;
  }
  .landing .nav-links a:not(.keep) {
    display: none;
  }
  .landing,
  .docs-hub {
    overflow-wrap: anywhere;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}