:root {
  color-scheme: dark;
  --void: #061013;
  --void-2: #0b1b1d;
  --charcoal: #172123;
  --paper: #f5f0e5;
  --paper-2: #e7decb;
  --white: #ffffff;
  --mist: rgba(255, 255, 255, 0.74);
  --muted: #6b675d;
  --line: rgba(6, 16, 19, 0.14);
  --light-line: rgba(255, 255, 255, 0.2);
  --solar: #f28c38;
  --solar-2: #ffc46a;
  --aqua: #6ee7df;
  --green: #a7d46f;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--void);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--white);
  color: var(--void);
  transform: translateY(-160%);
}

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

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 20px clamp(18px, 4vw, 54px);
  color: var(--white);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 820;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(110, 231, 223, 0.62);
  color: var(--aqua);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand-name {
  max-width: 250px;
  line-height: 1.15;
}

.nav {
  gap: clamp(14px, 2.2vw, 28px);
  font-size: 14px;
  font-weight: 780;
}

.nav a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--white);
}

.menu-toggle {
  display: none;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid rgba(110, 231, 223, 0.65);
  border-radius: 4px;
  background: rgba(6, 16, 19, 0.92);
  color: var(--white);
  cursor: pointer;
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.menu-icon {
  display: grid;
  width: 20px;
  gap: 4px;
}

.menu-icon i {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--aqua);
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  align-items: end;
  background:
    radial-gradient(circle at 78% 22%, rgba(242, 140, 56, 0.2), transparent 24%),
    var(--void);
  color: var(--white);
}

.hero-image,
.hero-scrim,
.orbital-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.56) contrast(1.18) brightness(0.72);
  transform: scale(1.02);
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(6, 16, 19, 0.98) 0%, rgba(6, 16, 19, 0.9) 38%, rgba(6, 16, 19, 0.3) 72%),
    linear-gradient(0deg, rgba(6, 16, 19, 0.96) 0%, transparent 46%);
}

.orbital-lines {
  pointer-events: none;
  opacity: 0.72;
}

.orbital-lines span {
  position: absolute;
  right: -9vw;
  bottom: -22vw;
  width: 72vw;
  aspect-ratio: 1;
  border: 1px solid rgba(110, 231, 223, 0.23);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.orbital-lines span:nth-child(2) {
  right: -14vw;
  bottom: -18vw;
  width: 86vw;
  border-color: rgba(242, 140, 56, 0.24);
}

.orbital-lines span:nth-child(3) {
  right: 3vw;
  bottom: -12vw;
  width: 46vw;
  border-color: rgba(167, 212, 111, 0.18);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 166px 0 132px;
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: #986021;
  font-size: 12px;
  font-weight: 860;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow,
.light .section-label,
.flight-band .section-label {
  color: var(--solar-2);
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 0.96;
}

h1 {
  max-width: 1020px;
  margin-bottom: 24px;
  font-size: clamp(3.6rem, 8.8vw, 7.8rem);
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.1vw, 4.25rem);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.13rem;
  line-height: 1.22;
}

.hero-copy {
  max-width: 900px;
  color: rgba(255, 255, 255, 0.79);
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 850;
  line-height: 1.15;
  text-decoration: none;
}

.button.primary {
  background: var(--solar);
  color: #1c1005;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
}

.button.dark {
  background: var(--void);
  color: var(--white);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(78px, 10vw, 132px) 0;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: 100%;
  max-width: none;
  padding: 0;
  background: var(--line);
}

.signal-strip div {
  padding: clamp(22px, 4vw, 42px);
  background: var(--paper);
}

.signal-strip span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.signal-strip strong {
  display: block;
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  line-height: 1.12;
}

.split,
.mission {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
}

.lead-prose {
  color: #292820;
  font-size: clamp(1.08rem, 1.5vw, 1.28rem);
}

.lead-prose p:last-child,
.section-heading p:last-child,
.closing p:last-of-type,
.site-footer p {
  margin-bottom: 0;
}

.flight-band,
.links-band {
  background:
    linear-gradient(135deg, rgba(110, 231, 223, 0.08), transparent 34%),
    linear-gradient(45deg, rgba(242, 140, 56, 0.1), transparent 48%),
    var(--void);
  color: var(--white);
}

.flight-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 76px);
  align-items: start;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.light p,
.flight-band p,
.links-band p {
  color: var(--mist);
}

.value-grid,
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.value-grid article,
.partner-grid article,
.timeline article {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  padding: 24px;
}

.value-grid article {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.value-grid span,
.timeline span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--aqua);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.value-grid p,
.partner-grid p,
.timeline p {
  margin-bottom: 0;
  color: rgba(6, 16, 19, 0.72);
}

.value-grid p {
  color: rgba(255, 255, 255, 0.72);
}

.sponsors {
  padding-bottom: clamp(60px, 8vw, 96px);
}

.seat-question {
  background: var(--void);
  color: var(--white);
}

.seat-question-grid,
.bucky-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
}

.question-panel {
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.08rem, 1.45vw, 1.25rem);
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.question-grid article {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.question-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.charity-band {
  background: var(--paper-2);
}

.charity-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
}

.charity-copy {
  color: #292820;
  font-size: clamp(1.05rem, 1.45vw, 1.24rem);
}

.charity-copy a:not(.button) {
  font-weight: 850;
}

.charity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button.dark-outline {
  border-color: rgba(6, 16, 19, 0.22);
  color: var(--void);
}

.bucky-band {
  background:
    linear-gradient(135deg, rgba(110, 231, 223, 0.12), transparent 34%),
    var(--charcoal);
  color: var(--white);
}

.bucky-quote {
  margin: 0;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.bucky-quote blockquote {
  margin: 0 0 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.7vw, 4rem);
  line-height: 1.02;
}

.bucky-quote figcaption {
  color: var(--aqua);
  font-weight: 850;
}

.bucky-copy p:not(.section-label) {
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1.05rem, 1.45vw, 1.24rem);
}

.bucky-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.bucky-links a {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid rgba(110, 231, 223, 0.45);
  color: var(--white);
  font-weight: 850;
  text-decoration: none;
}

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

.timeline {
  display: grid;
  gap: 12px;
}

.timeline article {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 10px 22px;
  align-items: start;
}

.timeline span {
  margin: 0;
  color: #986021;
}

.timeline p {
  grid-column: 2;
}

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

.resource-grid,
.agency-grid {
  display: grid;
  gap: 10px;
}

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

.resource-grid a,
.agency-grid a {
  min-height: 58px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
  color: inherit;
  font-weight: 820;
  text-decoration: none;
}

.resource-grid a:hover,
.resource-grid a:focus-visible,
.agency-grid a:hover,
.agency-grid a:focus-visible {
  border-color: rgba(242, 140, 56, 0.75);
  background: var(--white);
}

.links-band .resource-grid a,
.links-band .agency-grid a {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
}

.links-band .resource-grid a:hover,
.links-band .resource-grid a:focus-visible,
.links-band .agency-grid a:hover,
.links-band .agency-grid a:focus-visible {
  border-color: rgba(110, 231, 223, 0.58);
  background: rgba(255, 255, 255, 0.13);
}

.link-section {
  padding-top: 40px;
}

.link-section + .link-section {
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.link-section h3 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 1.35rem;
}

.agency-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.agency-grid a {
  display: flex;
  min-height: 86px;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.agency-grid span {
  color: var(--aqua);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.closing {
  max-width: 900px;
  text-align: center;
}

.closing p {
  color: #333128;
  font-size: clamp(1.1rem, 2vw, 1.38rem);
}

.closing .button {
  margin-top: 30px;
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.closing-actions .button {
  margin-top: 0;
}

.site-footer {
  padding: clamp(42px, 6vw, 78px) clamp(20px, 4vw, 56px) 30px;
  background: var(--void);
  color: var(--white);
}

.footer-brand {
  display: flex;
  max-width: var(--max);
  align-items: center;
  gap: 16px;
  margin: 0 auto 32px;
}

.footer-brand strong {
  font-size: 22px;
}

.footer-brand strong a {
  color: inherit;
  text-decoration: none;
}

.footer-brand p {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  display: flex;
  max-width: var(--max);
  flex-wrap: wrap;
  gap: 14px 24px;
  margin: 0 auto 36px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 720;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--white);
}

.third-party-note {
  max-width: var(--max);
  margin: 0 auto 18px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.copyright {
  max-width: var(--max);
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.43);
  font-size: 13px;
}

@media (max-width: 980px) {
  h1 {
    font-size: clamp(3.2rem, 11vw, 6.2rem);
  }

  .split,
  .flight-grid,
  .mission,
  .charity-grid,
  .seat-question-grid,
  .bucky-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  body.menu-open {
    overflow: hidden;
  }

  .site-header {
    align-items: flex-start;
  }

  .menu-toggle {
    display: inline-flex;
    position: relative;
    z-index: 30;
  }

  .has-menu .nav {
    position: fixed;
    inset: 0;
    z-index: 25;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 86px 28px 36px;
    background: rgba(6, 16, 19, 0.98);
  }

  .has-menu .nav.open {
    display: flex;
  }

  .nav a {
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-size: 1.2rem;
  }

  .hero {
    min-height: 95vh;
  }

  .hero-content {
    width: min(var(--max), calc(100% - 32px));
    padding: 138px 0 118px;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 5rem);
  }

  h2 {
    font-size: clamp(2rem, 9vw, 3.3rem);
  }

  .signal-strip,
  .value-grid,
  .partner-grid,
  .question-grid,
  .featured-links,
  .resource-grid,
  .agency-grid {
    grid-template-columns: 1fr;
  }

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

  .timeline p {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .brand-name {
    max-width: 178px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .hero-actions {
    display: grid;
  }
}
