@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("fonts/hanken-grotesk.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("fonts/hanken-grotesk-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --display: "Space Grotesk", "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --body: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --bg: #fbfbf9;
  --surface: #ffffff;
  --surface-2: #f2f2ee;
  --border: #e4e4de;
  --text: #15161a;
  --muted: #62646c;
  --accent: #2f6fed;
  --accent-2: #12a6d6;
  --accent-soft: #e8efff;
  --code-bg: #f3f3ef;

  --ink: #060912;
  --ink-2: #0c1222;
  --ink-border: #1d2740;
  --ink-text: #e9edf7;
  --ink-muted: #95a0b8;
  --glow-a: #3d7bff;
  --glow-b: #36d6ff;

  --radius: 14px;
  --max: 1160px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0d16;
    --surface: #10141f;
    --surface-2: #161b29;
    --border: #232a3b;
    --text: #e9ecf3;
    --muted: #9aa2b5;
    --accent: #6f9bff;
    --accent-2: #4fd4ff;
    --accent-soft: #17213a;
    --code-bg: #131826;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 84px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px / 1.65 var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
code,
pre,
kbd {
  font-family: var(--mono);
  font-size: 0.86em;
}
h1,
h2,
h3,
h4 {
  font-family: var(--display);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
  padding: 0 clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--border);
}
.home .topbar {
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  border-bottom-color: var(--ink-border);
  color: var(--ink-text);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 700 21px / 1 var(--display);
  letter-spacing: -0.03em;
  color: inherit;
  text-decoration: none;
}
.logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: url("favicon.svg") center / cover;
  box-shadow: 0 0 24px rgb(61 123 255 / 0.45);
}
.top-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font: 500 15px var(--display);
}
.top-links a {
  color: inherit;
  text-decoration: none;
  opacity: 0.8;
}
.top-links a:hover {
  opacity: 1;
}
.version {
  font: 500 12px var(--mono);
  padding: 2px 7px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 0.7;
  margin-left: 4px;
}
.menu {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  color: inherit;
  border-radius: 8px;
  font-size: 18px;
  padding: 4px 10px;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 75% 0%, rgb(61 123 255 / 0.28), transparent 70%),
    radial-gradient(40% 40% at 10% 30%, rgb(54 214 255 / 0.12), transparent 70%),
    var(--ink);
  color: var(--ink-text);
  padding: clamp(56px, 9vw, 110px) clamp(16px, 4vw, 40px) 0;
}
#flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
}
.hero-inner {
  position: relative;
  max-width: 940px;
  margin: 0 auto;
  text-align: center;
}
.pill {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--ink-border);
  border-radius: 999px;
  background: rgb(255 255 255 / 0.04);
  color: var(--ink-muted);
  font: 500 14px var(--display);
  text-decoration: none;
}
.pill:hover {
  color: var(--ink-text);
  border-color: #33426a;
}
.hero h1 {
  margin: 26px 0 22px;
  font-size: clamp(40px, 6.6vw, 78px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
.glow {
  background: linear-gradient(92deg, #fff 0%, var(--glow-b) 45%, var(--glow-a) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink-muted);
  font-size: clamp(17px, 1.6vw, 20px);
}
.install {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 34px 0 22px;
  padding: 8px 8px 8px 20px;
  background: rgb(255 255 255 / 0.05);
  border: 1px solid var(--ink-border);
  border-radius: 12px;
}
.install code {
  font-size: 16px;
  color: var(--ink-text);
}
.prompt,
.t-p {
  color: var(--glow-b);
  user-select: none;
}
.copy {
  font: 600 13px var(--display);
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--ink-border);
  background: var(--ink-2);
  color: var(--ink-text);
  cursor: pointer;
}
.copy:hover {
  border-color: var(--glow-a);
}
.cta {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 12px;
  font: 600 16px var(--display);
  text-decoration: none;
  transition:
    transform 0.15s,
    box-shadow 0.15s;
}
.button:hover {
  transform: translateY(-1px);
}
.button.primary {
  background: linear-gradient(135deg, var(--glow-a), #2a5ee0);
  color: #fff;
  box-shadow: 0 8px 30px rgb(61 123 255 / 0.35);
}
.button.ghost {
  border: 1px solid currentColor;
  color: inherit;
}
.hero .button.ghost {
  color: var(--ink-text);
  border-color: var(--ink-border);
  background: rgb(255 255 255 / 0.03);
}
.hero-shot {
  position: relative;
  max-width: 1080px;
  margin: clamp(56px, 8vw, 96px) auto 0;
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow:
    0 -10px 80px rgb(61 123 255 / 0.25),
    0 0 0 1px var(--ink-border);
}

/* Window frames for screenshots and terminals */
.window {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px -24px rgb(10 20 50 / 0.25);
}
.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font: 500 12.5px var(--mono);
  color: var(--muted);
}
.window-bar i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--border);
}
.window-bar span {
  margin: 0 auto;
  padding-right: 50px;
}
.hero .window-bar {
  background: #121829;
  border-color: var(--ink-border);
  color: var(--ink-muted);
}
.hero .window-bar i,
.terminal .window-bar i,
.code-block .window-bar i {
  background: #2a3550;
}
figcaption {
  padding: 14px 18px 18px;
  font-size: 15px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* Sections */
.band {
  padding: clamp(64px, 9vw, 112px) clamp(16px, 4vw, 40px);
}
.band.alt {
  background: var(--surface-2);
  border-block: 1px solid var(--border);
}
.band.dark {
  background:
    radial-gradient(50% 60% at 90% 10%, rgb(61 123 255 / 0.2), transparent 70%),
    var(--ink);
  color: var(--ink-text);
}
.wrap {
  max-width: var(--max);
  margin: 0 auto;
}
.eyebrow {
  font: 600 13px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.band.dark .eyebrow {
  color: var(--glow-b);
}
.band h2 {
  margin: 12px 0 16px;
  font-size: clamp(32px, 4.4vw, 52px);
  letter-spacing: -0.035em;
  max-width: 820px;
}
.section-sub {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}
.band.dark .section-sub {
  color: var(--ink-muted);
}
.split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.checks {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.checks li {
  position: relative;
  padding: 6px 0 6px 30px;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* Diagram */
.diagram {
  margin: 40px 0 8px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 1px 1px, var(--border) 1px, transparent 0) 0 0 / 22px 22px,
    var(--surface);
  overflow-x: auto;
}
.diagram svg {
  min-width: 760px;
  width: 100%;
  height: auto;
  color: var(--muted);
}
.d-line path {
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
}
.d-box rect {
  fill: var(--surface);
  stroke: var(--border);
  stroke-width: 1.5;
}
.d-box rect.d-accent {
  stroke: url(#g);
  stroke-width: 2.5;
}
.d-title text {
  font: 600 17px var(--display);
  fill: var(--text);
  text-anchor: middle;
}
.d-sub text {
  font: 400 12.5px var(--mono);
  fill: var(--muted);
  text-anchor: middle;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.step,
.layer {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.step h3,
.layer h3 {
  margin: 10px 0 8px;
  font-size: 21px;
}
.step p,
.layer p {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
}
.num {
  font: 600 13px var(--mono);
  color: var(--accent);
}

/* Terminal */
.terminal,
.code-block {
  background: var(--ink);
  border-color: var(--ink-border);
  color: #d5dbea;
}
.terminal .window-bar,
.code-block .window-bar {
  background: #0f1525;
  border-color: var(--ink-border);
}
.terminal pre,
.code-block pre {
  margin: 0;
  padding: 22px 24px;
  font-size: 14px;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}
.code-block {
  margin: 28px 0 20px;
  max-width: 820px;
}
.t-dim {
  color: #6f7a94;
}
.t-run {
  color: #5fd3f3;
}
.t-h {
  color: #fff;
  font-weight: 700;
}
.terminal b {
  color: #fff;
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}

/* Security band */
.layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 36px 0 28px;
}
.band.dark .layer {
  background: rgb(255 255 255 / 0.03);
  border-color: var(--ink-border);
}
.band.dark .layer p {
  color: var(--ink-muted);
}
.band.dark .num {
  color: var(--glow-b);
  font-size: 28px;
  font-family: var(--display);
}
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--ink-border);
}
.facts strong {
  display: block;
  font-family: var(--display);
  font-size: 18px;
  margin-bottom: 4px;
}
.facts span {
  color: var(--ink-muted);
  font-size: 15.5px;
}
.band.dark .button.ghost {
  border-color: var(--ink-border);
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition:
    border-color 0.15s,
    transform 0.15s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.card small {
  font: 600 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.card strong {
  font: 600 20px var(--display);
  letter-spacing: -0.02em;
}
.card span {
  color: var(--muted);
  font-size: 15px;
}

/* Docs layout */
.docs {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 220px;
  gap: 48px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
}
.sidebar,
.toc {
  position: sticky;
  top: 64px;
  align-self: start;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 36px 0;
}
.nav-group {
  margin-bottom: 26px;
}
.nav-title {
  font: 600 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 8px 12px;
}
.sidebar a,
.toc a {
  display: block;
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font: 500 15.5px / 1.35 var(--display);
}
.sidebar a:hover {
  background: var(--surface-2);
}
.sidebar a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
}
.toc a {
  font: 400 14px / 1.35 var(--body);
  color: var(--muted);
  border-left: 2px solid var(--border);
  border-radius: 0;
}
.toc a:hover,
.toc a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}
.content {
  padding: 44px 0 80px;
  min-width: 0;
}
.content > h1 {
  margin: 10px 0 14px;
  font-size: clamp(36px, 4.5vw, 52px);
  letter-spacing: -0.04em;
}
.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 760px;
}

/* Prose */
.prose {
  max-width: 820px;
}
.prose h2 {
  margin: 56px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 30px;
}
.prose h3 {
  margin: 36px 0 12px;
  font-size: 22px;
}
.prose h4 {
  margin: 28px 0 10px;
  font-size: 18px;
}
.prose h1 {
  font-size: 26px;
  margin: 8px 0 12px;
}
.anchor {
  margin-left: 8px;
  color: var(--border);
  text-decoration: none;
  opacity: 0;
}
:is(h1, h2, h3, h4):hover .anchor {
  opacity: 1;
}
.prose :not(pre) > code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.prose pre {
  position: relative;
  margin: 20px 0;
  padding: 18px 20px;
  border-radius: 12px;
  background: var(--ink);
  color: #dbe1ef;
  border: 1px solid var(--ink-border);
  overflow-x: auto;
  line-height: 1.6;
}
.prose pre code {
  font-size: 14px;
}
.prose pre .copy {
  position: absolute;
  top: 10px;
  right: 10px;
  opacity: 0;
  transition: opacity 0.15s;
}
.prose pre:hover .copy,
.prose pre .copy:focus {
  opacity: 1;
}
.table-wrap {
  margin: 20px 0;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15.5px;
}
.prose th,
.prose td {
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.prose th {
  background: var(--surface-2);
  font-family: var(--display);
  font-weight: 600;
}
.prose td code {
  white-space: nowrap;
  overflow-wrap: normal;
}
.prose tr:last-child td {
  border-bottom: 0;
}
.prose blockquote {
  margin: 20px 0;
  padding: 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}
.prose li {
  margin: 4px 0;
}
.prose input[type="checkbox"] {
  margin-right: 8px;
  accent-color: var(--accent);
}
.prose ul:has(input[type="checkbox"]) {
  list-style: none;
  padding-left: 4px;
}

/* Knowledge-base pages: one card per file */
.file {
  margin: 28px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.file-name {
  padding: 10px 18px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font: 500 14px var(--mono);
  color: var(--accent);
}
.file-body {
  padding: 4px 22px;
}
.file-body > pre:only-child {
  margin: 14px -8px;
}
.file .prose h2,
.file-body h2 {
  border-top: 0;
  padding-top: 0;
  margin-top: 24px;
  font-size: 22px;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 820px;
  margin-top: 64px;
}
.pager a {
  flex: 1;
  max-width: 50%;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  font: 600 17px var(--display);
}
.pager a:hover {
  border-color: var(--accent);
}
.pager .next {
  text-align: right;
  margin-left: auto;
}
.pager small {
  display: block;
  font: 500 13px var(--body);
  color: var(--muted);
}

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 28px clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font: 500 14px var(--display);
}

@media (max-width: 1180px) {
  .docs {
    grid-template-columns: 230px minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
}
@media (max-width: 960px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .split,
  .gallery,
  .layers,
  .facts {
    grid-template-columns: 1fr;
  }
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 820px) {
  .top-links {
    display: none;
  }
  .menu {
    display: block;
  }
  body.nav-open .top-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    padding: 16px 24px;
    gap: 14px;
    background: var(--bg);
    color: var(--text);
    border-bottom: 1px solid var(--border);
  }
  .docs {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar {
    position: static;
    max-height: none;
    padding: 20px 0 0;
    display: none;
  }
  body.nav-open .sidebar {
    display: block;
  }
  .content {
    padding-top: 24px;
  }
}
@media (max-width: 560px) {
  .steps,
  .cards {
    grid-template-columns: 1fr;
  }
  .install code {
    font-size: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .button,
  .card {
    transition: none;
  }
}