/* -------------------------------------------------------------------------
   4S ROCKETRY — DESIGN TOKENS
   Telemetry / blueprint theme: deep-space navy panels, hairline grid rules,
   ignition-orange accent, condensed industrial display type.
------------------------------------------------------------------------- */
:root {
  --bg: #030507;
  --bg-elevated: #0a0e15;
  --bg-panel: #10151f;
  --line: #212a3a;
  --line-soft: #161d2a;
  --ink: #f4f7fb;
  --ink-muted: #8b96ab;
  --accent: #0093fc;
  --accent-ink: #04101d;
  --accent-soft: rgba(0, 147, 252, 0.14);
  --telemetry: #6cc8ff;
  --radius: 3px;
  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1180px;
}

@media (prefers-color-scheme: light) {
  /* Site is intentionally dark-themed regardless of OS preference. */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  background-image:
    radial-gradient(1px 1px at 20px 30px, rgba(244,247,251,0.5), transparent),
    radial-gradient(1px 1px at 140px 90px, rgba(244,247,251,0.35), transparent),
    radial-gradient(1.5px 1.5px at 260px 40px, rgba(244,247,251,0.45), transparent),
    radial-gradient(1px 1px at 320px 160px, rgba(244,247,251,0.3), transparent),
    radial-gradient(1px 1px at 60px 220px, rgba(244,247,251,0.4), transparent),
    radial-gradient(1.5px 1.5px at 400px 250px, rgba(244,247,251,0.3), transparent),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:
    440px 300px, 440px 300px, 440px 300px, 440px 300px, 440px 300px, 440px 300px,
    64px 64px, 64px 64px;
  background-attachment: fixed;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: inherit; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 0.4em;
  line-height: 1.02;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; letter-spacing: 0.02em; }

p { margin: 0 0 1em; color: var(--ink-muted); }
.lede { color: var(--ink); font-size: 1.1rem; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

:focus-visible {
  outline: 2px solid var(--telemetry);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   TELEMETRY STRIP — the site's signature element. A HUD-style readout
   fixed to the top of every page: team / current vehicle / status / T-minus.
------------------------------------------------------------------------- */
.telemetry {
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  overflow: hidden;
  white-space: nowrap;
}
.telemetry__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6px 24px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  font-weight: 600;
}
.telemetry__sep { opacity: 0.55; }

/* ---------------------------------------------------------------------
   NAV
------------------------------------------------------------------------- */
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.nav__mark { width: 30px; height: 30px; color: var(--accent); }
.nav__mark img { width: 100%; height: 100%; object-fit: contain; display: block; }

.nav__list {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav__list a {
  text-decoration: none;
  color: var(--ink-muted);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav__list a:hover { color: var(--ink); }
.nav__list a.is-active { color: var(--accent); border-color: var(--accent); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  cursor: pointer;
}
.nav__toggle span { width: 18px; height: 2px; background: var(--ink); display: block; }

@media (max-width: 980px) {
  .nav__toggle { display: flex; }
  .nav__list {
    position: absolute;
    top: 100%;
    right: 24px;
    left: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    flex-direction: column;
    gap: 0;
    padding: 6px;
    display: none;
    z-index: 20;
  }
  .nav__list.is-open { display: flex; }
  .nav__list li { border-bottom: 1px solid var(--line-soft); }
  .nav__list li:last-child { border-bottom: none; }
  .nav__list a { display: block; padding: 12px 10px; border-bottom: none; }
  .nav__list a.is-active { background: var(--accent-soft); }
}

/* ---------------------------------------------------------------------
   ANNOTATED / BLUEPRINT UTILITIES
------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hairline { border-top: 1px solid var(--line); }

/* ---------------------------------------------------------------------
   BUTTONS
------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  color: var(--accent);
  transition: background 0.15s, color 0.15s;
}
.btn:hover { background: var(--accent); color: var(--accent-ink); }
.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--solid:hover { background: transparent; color: var(--accent); }
.btn--ghost { border-color: var(--line); color: var(--ink-muted); }
.btn--ghost:hover { background: var(--bg-panel); color: var(--ink); border-color: var(--line); }

/* ---------------------------------------------------------------------
   HERO
------------------------------------------------------------------------- */
.hero {
  padding: 72px 0 60px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
}
.hero h1 { color: var(--ink); }
.hero h1 span { color: var(--accent); }
.hero__diagram { position: relative; }
.hero__patch {
  position: absolute;
  top: -18px;
  right: -18px;
  width: 92px;
  height: 92px;
  z-index: 2;
  filter: drop-shadow(0 0 14px rgba(0, 147, 252, 0.45));
}
.hero__patch img { width: 100%; height: 100%; object-fit: contain; }
@media (max-width: 900px) {
  .hero__patch { width: 70px; height: 70px; top: -12px; right: -8px; }
}

/* Blueprint rocket schematic */
.schematic {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.schematic__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.schematic svg { width: 100%; height: auto; }
.schematic .dim-line { stroke: var(--line); stroke-width: 1; }
.schematic .dim-text { fill: var(--ink-muted); font-family: var(--font-mono); font-size: 9px; }
.schematic .rocket-body { fill: var(--bg-elevated); stroke: var(--ink-muted); stroke-width: 1; }
.schematic .rocket-accent { fill: var(--accent); }
.schematic .rocket-fin { fill: var(--bg-elevated); stroke: var(--telemetry); stroke-width: 1; }

/* ---------------------------------------------------------------------
   SECTION HEADERS
------------------------------------------------------------------------- */
.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }
.section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.section__head h2 { margin: 0; color: var(--ink); }

/* ---------------------------------------------------------------------
   MEDIA / PLACEHOLDER SYSTEM
   Every image on the site goes through this component. If the real file
   at `src` fails to load, JS adds .media--missing and this placeholder
   (with the exact expected filename) shows instead.
------------------------------------------------------------------------- */
.media {
  position: relative;
  aspect-ratio: var(--ratio, 16/10);
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media__fallback {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 16px;
  background:
    repeating-linear-gradient(45deg, var(--line-soft) 0, var(--line-soft) 1px, transparent 1px, transparent 12px),
    var(--bg-elevated);
}
.media--missing img { display: none; }
.media--missing .media__fallback { display: flex; }
.media__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  padding: 3px 8px;
}
.media__fallback code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  word-break: break-all;
}

/* ---------------------------------------------------------------------
   CARDS — announcements
------------------------------------------------------------------------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card__body { padding: 20px 22px 24px; }
.card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.card h3 { color: var(--ink); margin-bottom: 8px; }
.card--announcement.card--full-open .card__full { display: block; }
.card__full { display: none; margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.card__full p:last-child { margin-bottom: 0; }

.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid var(--line);
  text-transform: uppercase;
}
.tag--camp { color: var(--telemetry); border-color: var(--telemetry); }
.tag--update { color: var(--accent); border-color: var(--accent); }
.tag--progress { color: var(--accent); border-color: var(--accent); }
.tag--done { color: var(--telemetry); border-color: var(--telemetry); }

.progress-teaser__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

/* ---------------------------------------------------------------------
   BUILD LOG TIMELINE
------------------------------------------------------------------------- */
.timeline { position: relative; }
.timeline__item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 24px;
}
.timeline__rail {
  position: relative;
  display: flex;
  justify-content: center;
}
.timeline__rail::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: -32px;
  width: 1px;
  background: var(--line);
}
.timeline__item:last-child .timeline__rail::before { display: none; }
.timeline__dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--ink-muted);
  margin-top: 3px;
  z-index: 1;
}
.timeline__item--in-progress .timeline__dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.timeline__item--done .timeline__dot { border-color: var(--telemetry); }

.timeline__content { padding-bottom: 40px; }
.timeline__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.timeline__content h3 { color: var(--ink); margin-bottom: 6px; }
.timeline__content .media { max-width: 480px; margin-top: 14px; }

@media (max-width: 600px) {
  .timeline__item { grid-template-columns: 18px 1fr; gap: 14px; }
}

/* ---------------------------------------------------------------------
   FILTER TABS (announcements page)
------------------------------------------------------------------------- */
.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.filters button {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 16px;
  cursor: pointer;
  transition: all 0.15s;
}
.filters button:hover { color: var(--ink); border-color: var(--ink-muted); }
.filters button.is-active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }

/* ---------------------------------------------------------------------
   SPONSORS
------------------------------------------------------------------------- */
.sponsor-tier { margin-bottom: 52px; }
.sponsor-tier__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}
.sponsor-tier__head h3 { color: var(--ink); margin: 0; }
.sponsor-tier__min {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}
.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
@media (max-width: 780px) { .sponsor-grid { grid-template-columns: repeat(2, 1fr); } }

.sponsor-card {
  grid-column: span var(--span, 1);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  transition: border-color 0.15s, transform 0.15s;
}
.sponsor-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.sponsor-card--accent { border-top: 3px solid var(--accent); }
@media (max-width: 780px) { .sponsor-card { grid-column: span 1; } }

.sponsor-card__logo {
  width: var(--logo-size, 120px);
  height: var(--logo-size, 120px);
  max-width: 100%;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sponsor-card__logo img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.sponsor-card__logo .media__fallback { position: static; background: none; }
.sponsor-card__logo .media { width: 100%; height: 100%; border: none; aspect-ratio: auto; }
.sponsor-card__name { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.02em; font-size: 1rem; }
.sponsor-card__blurb { color: var(--ink-muted); font-size: 0.85rem; margin: 0; }

.sponsor-cta {
  margin-top: 44px;
  padding: 36px;
  text-align: center;
}

/* ---------------------------------------------------------------------
   ROCKET PAGE
------------------------------------------------------------------------- */
.rocket-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) { .rocket-head { grid-template-columns: 1fr; } }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
}
.spec-table td { padding: 11px 4px; border-bottom: 1px solid var(--line-soft); }
.spec-table td:first-child { color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.04em; font-size: 11px; }
.spec-table td:last-child { color: var(--ink); text-align: right; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--telemetry);
  border: 1px solid var(--telemetry);
  border-radius: 20px;
  padding: 6px 14px;
  margin-bottom: 20px;
}
.status-pill::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--telemetry);
  box-shadow: 0 0 0 3px rgba(108, 200, 255, 0.22);
}

/* ---------------------------------------------------------------------
   PAGE HEADER (interior pages)
------------------------------------------------------------------------- */
.page-head { padding: 56px 0 20px; }
.page-head p { max-width: 60ch; }

/* ---------------------------------------------------------------------
   FOOTER
------------------------------------------------------------------------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 80px;
  padding: 44px 0 20px;
}
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer__brand-row { display: flex; align-items: center; gap: 16px; }
.footer__mark { width: 46px; height: 46px; object-fit: contain; flex-shrink: 0; }
.footer__brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.2rem;
  color: var(--ink);
}
.footer__muted { font-size: 0.8rem; }
.footer__links { display: flex; flex-direction: column; gap: 8px; font-family: var(--font-mono); font-size: 12px; }
.footer__links a { text-decoration: none; color: var(--ink-muted); }
.footer__links a:hover { color: var(--accent); }
.footer__legal {
  max-width: var(--max);
  margin: 32px auto 0;
  padding: 16px 24px 0;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

/* ---------------------------------------------------------------------
   ABOUT / CONTACT / GENERIC CONTENT
------------------------------------------------------------------------- */
.prose { max-width: 68ch; }
.prose p { color: var(--ink-muted); }
.stat-row { display: flex; gap: 40px; flex-wrap: wrap; margin: 32px 0; }
.stat { font-family: var(--font-mono); }
.stat__num { font-family: var(--font-display); font-size: 2.4rem; color: var(--accent); display: block; }
.stat__label { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); }

.form-grid { display: grid; gap: 16px; max-width: 480px; }
.form-grid label { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-muted); display: block; margin-bottom: 6px; }
.form-grid input, .form-grid textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
}
.form-grid input:focus, .form-grid textarea:focus { outline: none; border-color: var(--accent); }