:root {
  color-scheme: dark;
  --background: #050B2C;
  --panel: #0D1B4C;
  --topbar: #003B8F;
  --accent: #FFD400;
  --accent-hover: #FFE866;
  --secondary: #00A8FF;
  --text: #F2F5FF;
  --muted: #AAB7D4;
  --line: rgba(170, 183, 212, .24);
  --mono: "DM Mono", ui-monospace, monospace;
  --sans: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent-hover); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--background); }
.skip-link { position: absolute; top: 12px; left: 12px; z-index: 10; padding: 12px 18px; background: var(--accent); color: var(--background); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 74px; padding: 14px max(6vw, calc((100vw - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--topbar); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font: 500 1rem var(--mono); letter-spacing: .06em; }
.brand-mark { display: flex; gap: 3px; align-items: end; height: 24px; }
.brand-mark span { width: 6px; height: 13px; border-radius: 4px 4px 0 0; background: var(--accent); }
.brand-mark span:nth-child(2) { height: 23px; }
.brand-mark span:nth-child(3) { height: 17px; background: var(--secondary); }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: .8rem; font-weight: 800; }
.site-header nav a { text-decoration: none; }
.about-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 25px; min-height: 44px; padding: 12px 18px; background: var(--accent); color: var(--background); font-weight: 800; text-decoration: none; border-radius: 3px; transition: background .15s; }
.nav-cta:hover, .button:hover { background: var(--accent-hover); }
main { width: min(1180px, 88%); margin: auto; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: 48px 0 40px; }
.hero-copy { min-width: 0; }
.eyebrow { margin: 0 0 20px; color: var(--muted); font: 400 .66rem/1.6 var(--mono); letter-spacing: .07em; }
h1 { margin: 0 0 24px; font-size: clamp(3rem, 5.7vw, 5rem); line-height: 1.03; letter-spacing: -.065em; font-weight: 800; }
h1 span { color: var(--accent); }
.hero-intro { max-width: 420px; margin: 0 0 12px; font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 1.65; }
.hero-detail { max-width: 400px; margin: 0 0 26px; font-size: .9rem; line-height: 1.75; color: var(--muted); }
.button { min-height: 50px; font-size: .85rem; }
.button span { font-size: 1.1rem; }
.survey-note { margin: 12px 0 0; color: var(--muted); font-size: .72rem; line-height: 1.6; }
.rocket-mural { min-width: 0; margin: 0; background: var(--panel); border: 1px solid var(--line); overflow: hidden; }
.mural-heading { display: flex; justify-content: space-between; gap: 12px; padding: 18px 22px 0; color: var(--muted); font: .61rem/1.5 var(--mono); letter-spacing: .06em; }
.mural-heading span:first-child { color: var(--accent); }
.rocket-art { display: block; width: 100%; height: auto; }
.rocket-mural figcaption { display: flex; justify-content: space-between; gap: 10px; padding: 18px 22px; border-top: 1px solid var(--line); color: var(--text); font: .63rem/1.6 var(--mono); }
.rocket-mural figcaption span:first-child { color: var(--accent); }
.club-note { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; padding: 28px 0 32px; border-top: 1px solid var(--line); }
.club-note .eyebrow { margin-bottom: 8px; color: var(--secondary); }
h2 { margin: 0; font-size: clamp(1.2rem, 2vw, 1.6rem); line-height: 1.4; letter-spacing: -.035em; }
.club-note > p { margin: 0; color: var(--muted); font-size: .83rem; line-height: 1.8; }
.club-note strong { color: var(--text); font-weight: 600; }
.site-footer { width: min(1180px, 88%); margin: auto; display: flex; justify-content: space-between; gap: 12px; padding: 20px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .66rem; line-height: 1.6; }
@media (max-width: 720px) {
  .site-header { padding: 12px 6%; }
  .site-header nav { gap: 16px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 32px 0 28px; }
  h1 { font-size: clamp(2.8rem, 10vw, 4.5rem); }
  .hero-intro, .hero-detail { max-width: 100%; }
  .rocket-mural { width: 100%; max-width: 480px; justify-self: center; }
  .club-note { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .site-footer { flex-direction: column; gap: 5px; }
}
@media (max-width: 380px) {
  .about-link { display: none; }
  .mural-heading, .rocket-mural figcaption { padding-left: 12px; padding-right: 12px; }
  .rocket-mural figcaption { gap: 6px; font-size: .56rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}