:root {
  color-scheme: dark;
  --ink: #080806;
  --ink-2: #11100d;
  --panel: #17140f;
  --line: #3b3628;
  --bone: #f4f1e7;
  --muted: #b6ad94;
  --dim: #7e7869;
  --amber: #ffb000;
  --copper: #c65132;
  --cyan: #6fd7d6;
  --olive: #858d57;
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(198, 81, 50, 0.12), transparent 260px),
    radial-gradient(circle at 18% 12%, rgba(111, 215, 214, 0.11), transparent 24rem),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 96px),
    var(--ink);
  color: var(--bone);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(244, 241, 231, 0.35) 0 1px, transparent 1px),
    radial-gradient(circle, rgba(111, 215, 214, 0.2) 0 1px, transparent 1px);
  background-position: 0 0, 42px 60px;
  background-size: 140px 140px, 220px 220px;
  opacity: 0.35;
  mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, 0.2));
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--amber);
  color: var(--ink);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 0.9rem 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: max-content;
  color: var(--bone);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: uppercase;
}

.brand img {
  width: 40px;
  height: 40px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.nav a {
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.45rem 0.65rem;
  text-decoration: none;
}

.nav a:is(:hover, :focus-visible),
.nav a[aria-current="true"] {
  border-color: rgba(255, 176, 0, 0.45);
  color: var(--bone);
}

.section {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 1.06fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  min-height: calc(100svh - 72px);
  padding-top: 2rem;
}

.eyebrow,
.panel-kicker {
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 9vw, 7.3rem);
  letter-spacing: 0;
  line-height: 0.91;
  margin-bottom: 1.35rem;
  max-width: 11ch;
}

h2 {
  font-size: clamp(2rem, 4.8vw, 4.2rem);
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 1rem;
  max-width: 13ch;
}

h3 {
  font-size: 1.15rem;
  letter-spacing: 0;
  line-height: 1.2;
}

.hero-dek,
.section-heading p,
.two-column p,
.mission-grid p,
.fact-card p,
.timeline p,
.faq-list p {
  color: var(--muted);
}

.hero-dek {
  font-size: clamp(1.02rem, 2vw, 1.32rem);
  max-width: 63ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0;
}

.button {
  align-items: center;
  border-radius: var(--radius);
  display: inline-flex;
  font-weight: 900;
  min-height: 48px;
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.button-primary {
  background: var(--amber);
  color: var(--ink);
}

.button-secondary {
  border: 1px solid rgba(244, 241, 231, 0.3);
  color: var(--bone);
}

.mission-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 2.2rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.mission-strip div {
  background: rgba(23, 20, 15, 0.76);
  padding: 1rem;
}

dt {
  color: var(--dim);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

dd {
  margin: 0.25rem 0 0;
  color: var(--bone);
  font-weight: 900;
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  aspect-ratio: 1200 / 630;
  border: 1px solid rgba(255, 176, 0, 0.38);
  border-radius: var(--radius);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.38);
  object-fit: cover;
}

.hero-visual figcaption {
  color: var(--dim);
  font-size: 0.82rem;
  margin-top: 0.75rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(280px, 0.45fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -0.5rem;
}

.section-heading p {
  max-width: 45ch;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.two-column p {
  font-size: 1.08rem;
}

.flyby-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 1rem;
  align-items: start;
}

.countdown-panel,
.timeline,
.fact-card,
.mission-grid article,
.faq-list details,
.source-list li {
  background: rgba(23, 20, 15, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.countdown-panel {
  min-height: 280px;
  padding: 1.4rem;
}

.countdown-value {
  color: var(--amber);
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.92;
  margin: 3rem 0 1rem;
}

.panel-note {
  color: var(--dim);
  margin: 0;
}

.timeline {
  counter-reset: item;
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 1rem;
  padding: 1.25rem;
}

.timeline li + li {
  border-top: 1px solid var(--line);
}

.timeline span {
  color: var(--amber);
  font-weight: 950;
}

.timeline strong {
  display: block;
  margin-bottom: 0.4rem;
}

.timeline p {
  margin-bottom: 0;
}

.fact-grid,
.mission-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.fact-card,
.mission-grid article {
  min-height: 232px;
  padding: 1.25rem;
}

.fact-card span {
  color: var(--copper);
  display: block;
  font-size: 0.78rem;
  font-weight: 950;
  margin-bottom: 3rem;
}

.mission-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mission-grid article {
  border-top: 4px solid var(--olive);
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  padding: 1.1rem 1.25rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 900;
}

.faq-list p {
  margin: 0.85rem 0 0;
  max-width: 76ch;
}

.source-list {
  display: grid;
  gap: 0.8rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.source-list li {
  padding: 1rem 1.2rem;
}

.source-list a {
  color: var(--amber);
  font-weight: 900;
}

.source-list span {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 2rem 1rem 3rem;
  text-align: center;
}

.site-footer img {
  width: min(520px, 86vw);
  border-radius: var(--radius);
}

.site-footer p {
  color: var(--dim);
  margin: 0;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero,
  .section-heading,
  .two-column,
  .flyby-grid,
  .fact-grid,
  .mission-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  h1,
  h2 {
    max-width: none;
  }

  .fact-card,
  .mission-grid article {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .section {
    width: min(calc(100% - 24px), var(--max));
  }

  .brand span {
    font-size: 0.84rem;
  }

  .nav a {
    font-size: 0.8rem;
    padding: 0.38rem 0.46rem;
  }

  .mission-strip {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
    justify-content: center;
  }
}