/* ============================================================
   STAR AUTOMATIONS — design system
   Palette:  Void #0A0D12 · Hull #10151D · Line #212A36
             Starlight #E9EDF2 · Slate #94A0AF · Signal Amber #FFB300
   Type:     Archivo (display, expanded) · IBM Plex Sans (body)
             IBM Plex Mono (telemetry/labels)
   ============================================================ */

:root {
  --void: #0a0d12;
  --hull: #10151d;
  --line: #212a36;
  --line-soft: #1a212c;
  --starlight: #e9edf2;
  --slate: #94a0af;
  --amber: #ffb300;
  --amber-bright: #ffc233;

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --container: 1240px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --head-h: 68px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
/* NOTE: no CSS scroll-behavior:smooth — some browsers silently no-op it,
   which kills anchor navigation. js/main.js owns smooth scrolling instead. */
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--head-h) + 1.5rem); }
body {
  background: var(--void);
  color: var(--starlight);
  font: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
ul[class], ol[class] { padding: 0; list-style: none; }
a { color: inherit; }

::selection { background: var(--amber); color: var(--void); }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}
/* sections focused programmatically after anchor jumps: no ring */
[tabindex="-1"]:focus-visible { outline: none; }

/* ---------- typography ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 620;
  color: var(--starlight);
  text-wrap: balance;
}
h1 {
  font-size: clamp(2.625rem, 6.4vw, 4.75rem);
  font-stretch: 122%;
  line-height: 1.02;
  letter-spacing: -0.018em;
}
h2 {
  font-size: clamp(1.875rem, 3.6vw, 2.75rem);
  font-stretch: 116%;
  line-height: 1.08;
  letter-spacing: -0.012em;
}
h3 {
  font-size: 1.125rem;
  font-stretch: 110%;
  line-height: 1.3;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}
.eyebrow {
  color: var(--amber);
  margin-bottom: 1.25rem;
}
.amber { color: var(--amber); }
.tsep { color: var(--amber); opacity: 0.75; }

/* ---------- layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(5.5rem, 11vw, 9rem); }
.section-alt { border-top: 1px solid var(--line); }

.section-head { max-width: 40rem; margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.section-intro { color: var(--slate); max-width: 52ch; margin-top: 1.125rem; }

.skip-link {
  position: absolute;
  left: 1rem; top: -4rem;
  z-index: 100;
  background: var(--amber);
  color: var(--void);
  font: 600 0.875rem var(--font-body);
  padding: 0.75rem 1.25rem;
  border-radius: 3px;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 1rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8125rem 1.625rem;
  border-radius: 3px;
  font: 600 0.9375rem/1 var(--font-body);
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background-color 0.18s ease, transform 0.18s ease;
}
.btn-solid { background: var(--amber); color: var(--void); }
.btn-solid:hover { background: var(--amber-bright); }
.btn-solid:active { transform: translateY(1px); }
.btn-lg { min-height: 56px; padding: 1rem 2.125rem; font-size: 1.0625rem; }

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
  color: var(--starlight);
  font: 500 0.9375rem/1 var(--font-body);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 6px;
  transition: text-decoration-color 0.18s ease;
}
.btn-text:hover { text-decoration-color: var(--amber); }
.btn-text span { color: var(--amber); }

/* ---------- header ---------- */
.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--head-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}
.site-head.scrolled,
body.nav-open .site-head {
  background: rgba(10, 13, 18, 0.94);
  border-bottom-color: var(--line);
}
.head-row {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  min-height: 44px;
}
.brand-mark { width: 18px; height: 18px; fill: var(--amber); flex: none; }
.brand-word {
  font-family: var(--font-display);
  font-stretch: 118%;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font: 500 0.9375rem var(--font-body);
  color: var(--slate);
  text-decoration: none;
  transition: color 0.18s ease;
}
.nav-link:hover { color: var(--starlight); }
.nav-cta .btn { min-height: 42px; padding: 0.625rem 1.25rem; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.625rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.25rem;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--starlight);
}
.nav-toggle-box { display: inline-flex; flex-direction: column; gap: 5px; width: 20px; }
.nav-toggle-bar {
  height: 2px;
  background: var(--starlight);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
body.nav-open .nav-toggle-bar:first-child { transform: translateY(3.5px) rotate(45deg); }
body.nav-open .nav-toggle-bar:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.nav-toggle-label { letter-spacing: 0.18em; font-size: 0.6875rem; color: var(--slate); }

@media (max-width: 859.98px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    inset: var(--head-h) 0 auto 0;
    z-index: 40;
    background: rgba(10, 13, 18, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  body.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link {
    min-height: 54px;
    font-family: var(--font-display);
    font-stretch: 112%;
    font-size: 1.1875rem;
    color: var(--starlight);
    border-top: 1px solid var(--line-soft);
  }
  .nav-list li:first-child .nav-link { border-top: 0; }
  .nav-cta { margin-top: 1.25rem; }
  .nav-cta .btn { width: 100%; min-height: 52px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: clamp(640px, 94svh, 980px);
  display: flex;
  align-items: stretch;
  overflow: clip;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) brightness(0.9);
}
body.video-off .hero-media video { display: none; }

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 13, 18, 0.62) 0%, rgba(10, 13, 18, 0.18) 60%, rgba(10, 13, 18, 0) 100%),
    linear-gradient(180deg, rgba(10, 13, 18, 0.72) 0%, rgba(10, 13, 18, 0.45) 45%, var(--void) 100%);
}

.hero-chart {
  position: absolute;
  top: 8%;
  right: -8%;
  width: min(58vw, 680px);
  height: auto;
  opacity: 0.55;
}
.chart-orbit {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1;
  stroke-dasharray: 3 9;
  opacity: 0.38;
}
.chart-line { fill: none; stroke: #3a4a5f; stroke-width: 1; opacity: 0.55; }
.chart-star { fill: var(--starlight); opacity: 0.85; }
.chart-star.dim { opacity: 0.35; }
.chart-reticle { fill: none; stroke: var(--slate); stroke-width: 1; opacity: 0.5; }
.chart-mark { fill: var(--amber); opacity: 0.9; }

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding-top: calc(var(--head-h) + clamp(2rem, 6vh, 4rem));
  padding-bottom: clamp(3.5rem, 9vh, 6rem);
}
.telemetry {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  border-block: 1px solid rgba(233, 237, 242, 0.14);
  padding-block: 0.75rem;
  margin-bottom: clamp(3rem, 9vh, 5.5rem);
}
.hero-copy { max-width: 44rem; margin-top: auto; }
.hero-copy h1 { max-width: 15ch; }
.hero-sub {
  color: var(--slate);
  font-size: 1.125rem;
  max-width: 54ch;
  margin-block: 1.75rem 2.5rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 2rem;
}

@media (max-width: 719.98px) {
  .hero-chart { right: -42%; width: 130vw; opacity: 0.3; }
  .telemetry { font-size: 0.6875rem; letter-spacing: 0.12em; }
}

/* ---------- heritage strip ---------- */
.strip {
  background: var(--hull);
  border-block: 1px solid var(--line);
  padding-block: 1.75rem;
}
.strip-grid { display: grid; gap: 0.75rem; }
.strip-label { color: var(--amber); font-size: 0.75rem; letter-spacing: 0.18em; }
.strip-line { max-width: 62ch; }
.strip-line strong { font-weight: 600; }
@media (min-width: 860px) {
  .strip-grid { grid-template-columns: 11rem 1fr; align-items: baseline; }
}

/* ---------- services ---------- */
.svc-list { border-bottom: 1px solid var(--line); }
.svc-row {
  border-top: 1px solid var(--line);
  padding-block: clamp(2.25rem, 5vw, 3.25rem);
  display: grid;
  gap: 1.25rem;
}
.svc-code { font-size: 0.75rem; transition: color 0.2s ease; }
.svc-row:hover .svc-code { color: var(--amber); }
.svc-name {
  font-size: clamp(1.5rem, 2.6vw, 1.875rem);
  font-stretch: 113%;
  letter-spacing: -0.008em;
  max-width: 14ch;
}
.svc-body p:first-child { color: var(--slate); max-width: 58ch; }
.svc-ex-label {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  margin-top: 1.5rem;
  margin-bottom: 0.625rem;
}
.svc-ex { display: grid; gap: 0.375rem; }
.svc-ex li {
  font-size: 0.9375rem;
  color: var(--starlight);
  padding-left: 1.375rem;
  position: relative;
}
.svc-ex li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--amber);
  opacity: 0.65;
}
@media (min-width: 900px) {
  .svc-row { grid-template-columns: 7.5rem 1fr 1.35fr; gap: clamp(2rem, 4vw, 3.5rem); }
  .svc-code { padding-top: 0.5rem; }
}

/* ---------- process / flight plan ---------- */
.phases {
  display: grid;
  gap: 2.5rem;
  border-left: 1px solid var(--line);
  padding-left: 1.75rem;
}
.phase { position: relative; }
.phase::before {
  content: "";
  position: absolute;
  left: calc(-1.75rem - 4px);
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}
.phase-num { color: var(--amber); font-size: 0.8125rem; margin-bottom: 0.625rem; }
.phase h3 { margin-bottom: 0.5rem; }
.phase p { color: var(--slate); font-size: 0.9375rem; max-width: 44ch; }

@media (min-width: 960px) {
  .phases {
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    border-left: 0;
    padding-left: 0;
  }
  .phase { border-top: 1px solid var(--line); padding-top: 1.625rem; }
  .phase::before { left: 0; top: -4px; }
}

/* ---------- founder ---------- */
.founder-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.founder-photo { max-width: 26rem; }
.photo-frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--hull);
}
.photo-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
}
.photo-frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(233, 237, 242, 0.14);
  pointer-events: none;
}
.founder-photo figcaption {
  margin-top: 0.875rem;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
}
.founder-copy p + p { margin-top: 1.25rem; }
.founder-copy h2 { margin-bottom: 1.75rem; }
.founder-copy p { color: var(--slate); max-width: 58ch; }
.founder-copy p:first-of-type { color: var(--starlight); }

@media (min-width: 960px) {
  .founder-grid { grid-template-columns: 5fr 7fr; }
  .founder-photo { position: sticky; top: calc(var(--head-h) + 2rem); }
}

/* ---------- faq ---------- */
.faq-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.faq-list { border-bottom: 1px solid var(--line); }
.faq-item { border-top: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 44px;
  padding-block: 1.375rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-stretch: 106%;
  font-weight: 500;
  font-size: 1.0625rem;
  line-height: 1.4;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--amber-bright); }
.faq-marker { position: relative; width: 14px; height: 14px; flex: none; }
.faq-marker::before,
.faq-marker::after {
  content: "";
  position: absolute;
  background: var(--amber);
  transition: transform 0.2s ease;
}
.faq-marker::before { inset: 6px 0; }
.faq-marker::after { inset: 0 6px; }
.faq-item[open] .faq-marker::after { transform: scaleY(0); }
.faq-item > p {
  color: var(--slate);
  max-width: 60ch;
  padding-bottom: 1.5rem;
}
@media (min-width: 960px) {
  .faq-grid { grid-template-columns: 4fr 8fr; }
  .faq-grid .section-head { margin-bottom: 0; }
}

/* ---------- contact ---------- */
.contact { position: relative; overflow: clip; }
.contact-chart {
  position: absolute;
  right: -4%;
  top: 0;
  width: min(60vw, 640px);
  opacity: 0.5;
  pointer-events: none;
}
.contact-inner { position: relative; max-width: 46rem; }
.contact h2 { font-size: clamp(2.125rem, 4.6vw, 3.375rem); max-width: 14ch; }
.contact-sub {
  color: var(--slate);
  font-size: 1.125rem;
  max-width: 46ch;
  margin-block: 1.5rem 2.5rem;
}
.contact-alt { margin-top: 1.75rem; font-size: 0.75rem; }
.contact-alt a { color: var(--starlight); text-underline-offset: 4px; }
.contact-alt a:hover { color: var(--amber-bright); }

/* ---------- footer ---------- */
.site-foot {
  border-top: 1px solid var(--line);
  padding-block: 2.75rem 2.25rem;
}
.foot-grid { display: grid; gap: 1.75rem; }
.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.75rem;
}
.foot-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9375rem;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.18s ease;
}
.foot-links a:hover { color: var(--starlight); }
.foot-line { font-size: 0.6875rem; letter-spacing: 0.16em; opacity: 0.8; }
@media (min-width: 860px) {
  .foot-grid {
    grid-template-columns: auto 1fr;
    align-items: center;
  }
  .foot-links { justify-content: flex-end; }
  .foot-line { grid-column: 1 / -1; border-top: 1px solid var(--line-soft); padding-top: 1.5rem; margin-top: 0.5rem; }
}

/* ---------- motion (JS-gated hidden states) ---------- */
@media (prefers-reduced-motion: no-preference) {
  html.js [data-hero-seq],
  html.js [data-reveal] { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}