/* Squadron — landing. Dark-first, product-led; same visual language as the console
   (openwebui/squadron.css): deep space, a planet-limb horizon, Geist + Geist Mono designations,
   signal cyan for action. Self-hosted assets only; no inline styles (the CSP forbids them). */

@font-face {
  font-family: "Geist";
  src: url("/fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/fonts/GeistMono-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --void: #03060d;
  --space: #060b17;
  --panel: #0a1222;
  --ink: #eef3fb;
  --ink-2: #b8c3d6;
  --muted: #8a96ab;
  --faint: #5f6b80;
  --line: rgb(150 200 255 / 0.10);
  --line-strong: rgb(150 200 255 / 0.18);
  --signal: #59e1ff;
  --signal-ink: #03121b;
  --amber: #ffc55c;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  --wrap: 1160px;
  --gutter: 24px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  background-color: var(--space);
  background-image:
    radial-gradient(1.2px 1.2px at 37px 61px, rgb(225 242 255 / 0.85), transparent 70%),
    radial-gradient(1px 1px at 211px 143px, rgb(225 242 255 / 0.6), transparent 70%),
    radial-gradient(1.4px 1.4px at 329px 27px, rgb(200 236 255 / 0.7), transparent 70%),
    radial-gradient(1px 1px at 118px 301px, rgb(255 236 210 / 0.5), transparent 70%),
    radial-gradient(1.1px 1.1px at 402px 260px, rgb(225 242 255 / 0.55), transparent 70%),
    radial-gradient(0.8px 0.8px at 19px 23px, rgb(210 230 255 / 0.4), transparent 70%),
    radial-gradient(0.8px 0.8px at 97px 151px, rgb(210 230 255 / 0.35), transparent 70%),
    radial-gradient(0.7px 0.7px at 173px 71px, rgb(210 230 255 / 0.3), transparent 70%),
    radial-gradient(0.8px 0.8px at 61px 199px, rgb(210 230 255 / 0.3), transparent 70%),
    radial-gradient(1200px 700px at 82% -10%, oklch(34% 0.07 245 / 0.45), transparent 64%),
    radial-gradient(900px 600px at 0% 30%, oklch(28% 0.06 210 / 0.25), transparent 62%);
  background-size:
    440px 440px, 440px 440px, 440px 440px, 440px 440px, 440px 440px,
    230px 230px, 230px 230px, 230px 230px, 230px 230px,
    100% 100%, 100% 100%;
  background-repeat: repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, no-repeat, no-repeat;
}
::selection { background: rgb(89 225 255 / 0.28); }
.sprite { display: none; }
@media (min-width: 761px) { .nowrap { white-space: nowrap; } }
.mono { font-family: var(--mono); }
code {
  font: 0.88em var(--mono);
  color: #c9f4ff;
  background: rgb(89 225 255 / 0.08);
  border: 1px solid rgb(89 225 255 / 0.16);
  padding: 1px 6px;
  border-radius: 6px;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.btn:focus-visible { border-radius: 999px; }

.designation {
  margin: 0 0 18px;
  font: 500 11.5px/1.2 var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgb(89 225 255 / 0.8);
}
.designation span { color: var(--faint); margin: 0 0.35em; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgb(6 11 23 / 0.62);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: center; gap: 28px;
}
.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; font-weight: 600; font-size: 16px; letter-spacing: -0.015em;
}
.wordmark-sm { font-size: 14.5px; gap: 9px; }
.mark { color: var(--signal); display: block; flex: none; }
.nav-links { display: flex; gap: 26px; margin-left: 12px; }
.nav-links a, .link-quiet { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .15s ease; }
.nav-links a:hover, .link-quiet:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 20px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 12px 22px;
  font: 500 15px/1 var(--sans); letter-spacing: -0.01em; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, border-color .15s ease, background-color .15s ease;
}
.btn-sm { padding: 9px 15px; font-size: 13.5px; }
.btn-signal {
  color: var(--signal-ink);
  background: linear-gradient(180deg, #b4f6ff, #4fd2f2);
  box-shadow: 0 0 0 1px rgb(89 225 255 / 0.4), 0 8px 26px -10px rgb(89 225 255 / 0.7);
}
.btn-signal:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgb(89 225 255 / 0.55), 0 12px 34px -10px rgb(89 225 255 / 0.85); }
.btn-ghost { color: var(--ink); border-color: var(--line-strong); background: rgb(255 255 255 / 0.02); }
.btn-ghost:hover { border-color: rgb(150 200 255 / 0.4); background: rgb(255 255 255 / 0.05); }

/* ---------- stage: hero + product rising over the planet ---------- */
.stage {
  position: relative;
  overflow: clip;
  padding-bottom: 120px;
  --shot: calc((min(100vw, var(--wrap)) - 2 * var(--gutter)) * 0.625);
}
.stage::after { /* the planet: its limb crosses the middle of the product shot */
  content: "";
  position: absolute; z-index: 0;
  left: 50%;
  top: calc(100% - 120px - var(--shot) * 0.42);
  width: 280vw; height: 140vw;
  transform: translateX(-50%);
  border-radius: 50%;
  background: linear-gradient(180deg, #081226 0, var(--void) 220px);
  box-shadow:
    0 -1px 0 0 rgb(140 230 255 / 0.6),
    0 -14px 50px -8px rgb(89 225 255 / 0.35),
    0 -90px 220px -40px rgb(60 150 255 / 0.28);
}
.hero {
  position: relative; z-index: 1;
  max-width: 860px; margin: 0 auto; padding: 96px var(--gutter) 0; text-align: center;
}
.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(40px, 6.6vw, 78px); line-height: 1.02; letter-spacing: -0.045em; font-weight: 600;
  text-wrap: balance;
  background: linear-gradient(180deg, #ffffff 30%, #a9d4ea 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede {
  max-width: 620px; margin: 0 auto 32px;
  color: var(--ink-2); font-size: clamp(16.5px, 1.9vw, 19px); line-height: 1.55; text-wrap: pretty;
}
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.flight-tags {
  list-style: none; margin: 30px 0 0; padding: 0;
  display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 22px;
  font: 500 10.5px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
}
.flight-tags li { display: inline-flex; align-items: center; gap: 9px; }
.flight-tags li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 8px var(--signal); }

.showcase {
  position: relative; z-index: 1;
  max-width: var(--wrap); margin: 72px auto 0; padding: 0 var(--gutter);
  animation: rise .9s cubic-bezier(.2, .7, .2, 1) both .1s;
}
.frame { margin: 0; overflow: hidden; background: var(--space); }
.frame img { display: block; width: 100%; height: auto; }
.frame-desktop {
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.5), 0 50px 120px -40px rgb(0 0 0 / 0.9), 0 30px 140px -60px rgb(89 225 255 / 0.45);
}
.frame-phone {
  position: absolute; right: calc(var(--gutter) - 28px); bottom: -64px;
  width: 21%; max-width: 236px;
  border-radius: 34px;
  border: 6px solid #0b1324;
  box-shadow: 0 0 0 1px var(--line-strong), 0 40px 80px -30px rgb(0 0 0 / 0.95), 0 20px 80px -40px rgb(89 225 255 / 0.5);
}
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- sections (on the planet's dark side) ---------- */
main > .section, .closing { position: relative; background: var(--void); }
.section { padding: 112px var(--gutter) 0; }
.section > * { max-width: var(--wrap); margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 40px; }
h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.6vw, 42px); line-height: 1.1; letter-spacing: -0.035em; font-weight: 600;
  text-wrap: balance;
}
h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -0.015em; font-weight: 600; }

.systems {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
}
.systems article { background: linear-gradient(180deg, #070d1b, var(--void)); padding: 28px 26px 32px; }
.systems p { margin: 0; color: var(--muted); font-size: 14.5px; }
.sys-id {
  margin: 0 0 22px !important;
  font: 500 10.5px/1 var(--mono) !important; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgb(89 225 255 / 0.75) !important;
}

.fleet { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.fleet-copy > p { color: var(--ink-2); margin: 0 0 30px; max-width: 540px; }
.specs { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.specs li { color: var(--muted); font-size: 14.5px; padding-left: 16px; border-left: 2px solid rgb(89 225 255 / 0.6); }
.specs span { display: block; color: var(--ink); font-weight: 560; font-size: 14px; }
.telemetry {
  margin: 8px 0 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
}
.telemetry div { background: var(--void); padding: 26px 24px 24px; }
.telemetry dt { font: 500 10.5px/1.3 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.telemetry dd {
  margin: 14px 0 0; font: 500 clamp(30px, 3.4vw, 40px)/1 var(--mono); letter-spacing: -0.03em; color: var(--ink);
}
.telemetry small { font-size: 0.42em; letter-spacing: 0.06em; color: var(--muted); margin-left: 6px; }

.api { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.api-copy p { color: var(--ink-2); margin: 0; max-width: 460px; }
.code {
  margin: 0; padding: 22px 24px; overflow-x: auto;
  font: 13px/1.7 var(--mono); color: var(--ink-2);
  background: #050a16; border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: 0 30px 80px -40px rgb(89 225 255 / 0.3);
}
.c-cmd { color: var(--signal); }
.c-str { color: #ffd89a; }
.c-com { color: var(--faint); }
.api-more { margin-top: 22px !important; }
.api-more a { color: var(--signal); text-decoration: none; font-weight: 500; }
.api-more a:hover { text-decoration: underline; text-underline-offset: 3px; }

.closing { padding: 140px var(--gutter) 120px; text-align: center; }
.closing-mark { color: var(--signal); margin: 0 auto 26px; display: block; filter: drop-shadow(0 0 18px rgb(89 225 255 / 0.55)); }
.closing p { color: var(--ink-2); max-width: 520px; margin: 0 auto 30px; }

/* ---------- footer ---------- */
.foot { background: var(--void); border-top: 1px solid var(--line); }
.foot-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 28px var(--gutter) 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.foot-links a:hover { color: var(--ink); }
.foot-copy { margin: 0; color: var(--faint); font-size: 13px; }
.foot-copy .mono { letter-spacing: 0.12em; }

/* ---------- long-form (terms / privacy / 404) ---------- */
.doc-page { background: var(--void); min-height: 100vh; }
.doc { max-width: 720px; margin: 0 auto; padding: 72px var(--gutter) 64px; }
.doc h1 { font-size: clamp(30px, 4.6vw, 44px); letter-spacing: -0.035em; line-height: 1.08; margin: 0 0 20px; font-weight: 600; }
.doc h2 { font-size: 18px; letter-spacing: -0.015em; margin: 36px 0 8px; }
.doc p, .doc li { color: var(--ink-2); font-size: 15.5px; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--ink); font-weight: 560; }
.doc a { color: var(--signal); text-underline-offset: 3px; }
.doc .designation, .lost .designation { font-size: 11.5px; color: rgb(89 225 255 / 0.8); }
.doc-note { border-left: 2px solid rgb(89 225 255 / 0.6); padding-left: 16px; }
.doc-foot { margin-top: 48px; color: var(--muted); }
.doc-foot a { color: var(--muted); }
.doc-page .foot { background: transparent; }

/* ---------- guides: field manual + API reference (sticky contents, numbered sections) ---------- */
.guide {
  max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 196px minmax(0, 760px); gap: 76px; justify-content: center;
}
.toc { position: sticky; top: 61px; align-self: start; padding: 78px 0 40px; }
.toc .designation { margin-bottom: 16px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc a {
  display: flex; gap: 12px; align-items: baseline;
  margin-left: -1px; padding: 6px 0 6px 14px; border-left: 1px solid transparent;
  color: var(--muted); text-decoration: none; font-size: 14px; transition: color .15s ease, border-color .15s ease;
}
.toc a span { font: 500 10.5px/1 var(--mono); letter-spacing: 0.08em; color: var(--faint); }
.toc a:hover { color: var(--ink); border-left-color: var(--signal); }
.guide .doc { max-width: none; margin: 0; padding: 72px 0 104px; }
.guide .doc > .doc-note { margin-bottom: 8px; }
.guide section { scroll-margin-top: 84px; }
.guide section + section, .guide .doc-note + section { margin-top: 44px; padding-top: 40px; border-top: 1px solid var(--line); }
.guide .doc h2 { font-size: 24px; letter-spacing: -0.025em; margin: 0 0 12px; }
.doc h3 { font-size: 15.5px; letter-spacing: -0.01em; margin: 28px 0 6px; }
.doc .sec-id {
  margin: 0 0 10px; font: 500 10.5px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase;
  color: rgb(89 225 255 / 0.75);
}
.doc .code { margin: 14px 0 22px; font-size: 12.5px; line-height: 1.65; box-shadow: none; }
.code-label {
  display: block; margin: 22px 0 -6px;
  font: 500 10.5px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
}
.ui {
  white-space: nowrap; color: var(--ink); font-size: 0.93em;
  padding: 1px 7px; border: 1px solid var(--line-strong); border-radius: 6px; background: rgb(255 255 255 / 0.03);
}
kbd {
  font: 500 0.82em var(--mono); color: var(--ink);
  padding: 1px 6px; border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 5px;
}
.table-wrap { overflow-x: auto; margin: 16px 0 10px; }
.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec th {
  text-align: left; padding: 0 18px 10px 0; border-bottom: 1px solid var(--line-strong);
  font: 500 10.5px/1.3 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.spec td { padding: 11px 18px 11px 0; border-bottom: 1px solid var(--line); color: var(--ink-2); vertical-align: top; }
.spec td:first-child { color: var(--ink); white-space: nowrap; }
.callout {
  margin: 20px 0; padding: 14px 18px;
  border: 1px solid rgb(89 225 255 / 0.16); border-left: 2px solid var(--signal); border-radius: 0 12px 12px 0;
  background: rgb(89 225 255 / 0.04);
}
.doc .callout p { margin: 0; }

.lost { min-height: 100vh; display: grid; place-content: center; text-align: center; padding: 24px; }
.lost h1 { font-size: clamp(32px, 5vw, 52px); letter-spacing: -0.04em; margin: 0 0 12px; }
.lost p { color: var(--ink-2); margin: 0 0 28px; }
.lost .mark { margin: 0 auto 26px; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .systems { grid-template-columns: repeat(2, 1fr); }
  .fleet, .api { grid-template-columns: 1fr; gap: 36px; }
  .guide { grid-template-columns: minmax(0, 760px); gap: 0; }
  .toc { display: none; } /* numbered section heads carry the structure on narrow screens */
  .guide .doc { padding-top: 56px; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .hero { padding-top: 64px; }
  .stage { padding-bottom: 72px; --shot: calc(min(100vw, 360px) * 2.164 * 0.72); }
  .stage::after { top: calc(100% - 72px - var(--shot) * 0.45); width: 420vw; height: 220vw; }
  .frame-desktop { display: none; }
  .frame-phone { position: relative; right: auto; bottom: auto; width: 72%; max-width: 300px; margin: 0 auto; }
  .showcase { margin-top: 52px; }
  .section { padding-top: 88px; }
}
@media (max-width: 600px) {
  .systems { grid-template-columns: 1fr; }
  .telemetry { grid-template-columns: 1fr 1fr; }
  .telemetry div { padding: 20px 18px; }
  .nav-inner { gap: 16px; }
  .nav-cta { gap: 14px; }
  .flight-tags { gap: 10px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}