:root {
  color-scheme: dark;
  --bg: #050b17;
  --text: #f3f5fa;
  --dim: #9aa5bc;
  --faint: #63708a;
  --line: #202c45;
  --blue: #2f7cff;
  --blue-bright: #4e91ff;
  --amber: #ffbc32;
  --green: #43df8c;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.site-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(100%, 1600px);
  min-height: 100svh;
  margin: 0 auto;
  padding: 30px clamp(26px, 4vw, 64px) 24px;
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 12px;
  font-size: 1.08rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img { display: block; }

.mode,
.build-status,
.signal,
.principles span,
.early-access small,
.trace figcaption,
footer {
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.mode {
  margin: 0;
  color: #7f8bad;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.build-status {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 9px;
  margin: 0;
  color: var(--green);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.build-status span,
.signal span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.hero {
  display: grid;
  grid-template-columns: minmax(470px, 0.82fr) minmax(620px, 1.18fr);
  gap: clamp(20px, 3vw, 56px);
  align-items: center;
  padding: clamp(58px, 7vh, 96px) 0 42px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  padding-bottom: 28px;
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  color: var(--blue-bright);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(4rem, 6.5vw, 6.5rem);
  font-weight: 760;
  line-height: 0.92;
  letter-spacing: -0.072em;
}

h1 em {
  display: block;
  color: var(--blue);
  font-style: normal;
  font-weight: inherit;
}

.lede {
  max-width: 34rem;
  margin: 34px 0 0;
  color: var(--dim);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.7;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 42rem;
  margin: 44px 0 46px;
}

.principles div { position: relative; padding-top: 16px; border-top: 1px solid #274a82; }
.principles span { position: absolute; top: -25px; color: var(--blue-bright); font-size: 0.7rem; }
.principles strong { display: block; margin-bottom: 6px; font-size: 0.86rem; }
.principles small { display: block; color: var(--faint); font-size: 0.76rem; line-height: 1.5; }

.early-access {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  max-width: 40rem;
  border: 1px solid #25334f;
  border-radius: 8px;
  overflow: hidden;
}

.early-access > span {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 12px 16px;
}

.early-access small {
  color: var(--faint);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.early-access strong {
  overflow: hidden;
  color: var(--dim);
  font-size: 0.88rem;
  font-weight: 500;
  text-overflow: ellipsis;
}

.early-access a {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  background: var(--blue);
  color: white;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 140ms ease;
}

.early-access a:hover { background: var(--blue-bright); }
.early-access a:focus-visible { outline: 2px solid white; outline-offset: -4px; }

.privacy-note { margin: 10px 0 0; color: #56627a; font-size: 0.72rem; }

.trace {
  display: flex;
  align-items: flex-end;
  min-width: 0;
  margin: 0;
  aspect-ratio: 1.43;
  background: url("/assets/orchestration-trace.png") top center / contain no-repeat;
}

.trace figcaption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 90%;
  margin: 0 auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #7d89a3;
  font-size: 0.66rem;
}

.trace figcaption > span { margin-right: 10px; color: var(--blue-bright); letter-spacing: 0.1em; text-transform: uppercase; }
.trace figcaption i { width: 7px; height: 7px; margin-left: 6px; }
.trace .proposal { background: var(--blue-bright); box-shadow: 0 0 8px var(--blue); }
.trace .gate { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.trace .approved { background: var(--green); box-shadow: 0 0 8px var(--green); }

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  color: #59657c;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

footer a { justify-self: end; text-underline-offset: 3px; }
footer a:hover { color: var(--dim); }

@media (max-width: 1120px) {
  .hero { grid-template-columns: minmax(380px, 0.8fr) minmax(520px, 1.2fr); gap: 0; }
  h1 { font-size: clamp(3.8rem, 7.8vw, 5.6rem); }
  .trace { margin-right: -4vw; }
}

@media (max-width: 860px) {
  .masthead { grid-template-columns: 1fr auto; }
  .mode { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 72px; }
  .hero-copy { max-width: 700px; }
  h1 { max-width: 8.6ch; font-size: clamp(3.8rem, 13vw, 6.6rem); }
  .trace { margin: -20px -5vw 0; }
  .trace figcaption { margin-inline: 10%; }
}

@media (max-width: 560px) {
  .site-shell { padding: 22px 18px 20px; }
  .brand { font-size: 1rem; }
  .brand img { width: 30px; height: 30px; }
  .build-status { font-size: 0.62rem; }
  .hero { padding-top: 54px; }
  h1 { font-size: clamp(3.4rem, 17vw, 5.2rem); }
  .lede { margin-top: 26px; }
  .principles { gap: 10px; margin-top: 42px; }
  .principles small { display: none; }
  .early-access { grid-template-columns: 1fr; }
  .early-access a { justify-content: space-between; min-height: 50px; border-top: 1px solid #315fa7; }
  .trace { margin: 8px 0 0; }
  .trace figcaption { flex-wrap: wrap; line-height: 1.5; }
  .trace figcaption > span { width: 100%; text-align: center; }
  footer { grid-template-columns: 1fr auto; margin-top: 28px; }
  footer span:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .early-access a { transition: none; }
}