:root {
  --bg-main: #0b132b;
  --bg-sec: #111d3d;
  --bg-card: #18264f;
  --text-main: #f0f6fc;
  --text-secondary: #9fb3c8;
  --accent-gold: #38bdf8;
  --accent-alt: #2dd4bf;
  --border-color: #2b4278;
  --font-display: 'Space Grotesk', sans-serif;
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  background-image: linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text-main);
  line-height: 1.62;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

/* Engineering CAD Command Bar & Navbar */
.cad-top-bar { background: #060b19; color: #38bdf8; border-bottom: 1px solid #2b4278; padding: 7px 24px; font-family: var(--font-mono); font-size: 0.74rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(11, 19, 43, 0.95); backdrop-filter: blur(10px); border-bottom: 2px solid #38bdf8; }
.steam-nav-inner { max-width: 1320px; margin: 0 auto; padding: 14px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.steam-logo-box { display: flex; align-items: center; gap: 12px; }
.steam-hex { width: 44px; height: 44px; background: #38bdf8; color: #060b19; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 800; font-size: 0.95rem; }
.nav-link { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; color: #9fb3c8; padding: 8px 12px; border: 1px solid transparent; }
.nav-link:hover, .nav-link.active { color: #38bdf8; border-color: #38bdf8; background: rgba(56, 189, 248, 0.1); }

.btn-primary, .header-cta { display: inline-flex; align-items: center; justify-content: center; padding: 11px 22px; background: #38bdf8; color: #060b19; font-family: var(--font-mono); font-weight: 800; font-size: 0.82rem; border-radius: 4px; border: none; text-transform: uppercase; }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; padding: 11px 22px; background: transparent; color: #38bdf8; font-family: var(--font-mono); font-weight: 700; font-size: 0.82rem; border-radius: 4px; border: 1.5px solid #38bdf8; text-transform: uppercase; }
.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 6px; padding: 24px; }
.retreat-pill { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; color: #2dd4bf; background: rgba(45, 212, 191, 0.1); border: 1px solid #2dd4bf; padding: 4px 12px; border-radius: 4px; text-transform: uppercase; }
.hero-title, .section-title, .card-title, .legal-title { font-family: var(--font-display); }

h1, h2, h3, .hero-title, .section-title, .card-title, .legal-title { text-wrap: balance; }
p, li, dd, figcaption, td { text-wrap: pretty; }
.section-alt, .site-footer { content-visibility: auto; contain-intrinsic-size: auto 520px; }
:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 3px; }
.form-input { width: 100%; min-height: 46px; padding: 12px 14px; font-family: inherit; font-size: 0.95rem; border: 1.5px solid var(--border-color); background: var(--bg-card); color: var(--text-main); border-radius: 4px; }
.form-input:user-valid { border-color: #10b981; }
.form-input:user-invalid { border-color: #ef4444; }
.header-cta, .btn-primary, .btn-outline, .accordion-header, .mobile-toggle { min-height: 46px; }
.drawer-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.68); z-index: 1990; display: none; }
.drawer-backdrop.active { display: block; }
.mobile-nav-drawer { position: fixed; top: 0; right: -100%; width: 320px; max-width: 88vw; height: 100vh; background: #111827; color: #f9fafb; z-index: 2000; padding: 24px; display: flex; flex-direction: column; transition: right 0.26s ease; overflow-y: auto; }
.mobile-nav-drawer.open { right: 0; }
.mobile-nav-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; margin-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.mobile-close-btn { background: none; border: none; color: #fff; font-size: 1.8rem; min-width: 44px; min-height: 44px; cursor: pointer; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 6px; }
.mobile-nav-links a { color: #e5e7eb; padding: 10px 12px; min-height: 44px; display: flex; align-items: center; border-radius: 6px; font-size: 0.92rem; font-weight: 600; text-decoration: none; }
.mobile-nav-links a:hover, .mobile-nav-links a.active { background: rgba(255,255,255,0.12); color: #fff; }
.mobile-toggle { display: none; align-items: center; justify-content: center; width: 46px; height: 46px; background: var(--bg-card); color: var(--text-main); border: 1.5px solid var(--border-color); font-size: 1.35rem; cursor: pointer; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
@media (max-width: 992px) {
  .desktop-nav { display: none !important; }
  .mobile-toggle { display: inline-flex !important; }
  .museum-sidebar { position: static !important; width: 100% !important; height: auto !important; border-right: none !important; border-bottom: 1px solid var(--border-color) !important; padding: 16px 24px !important; flex-direction: row !important; justify-content: space-between !important; align-items: center !important; }
  .museum-sidebar-details { display: none !important; }
  body main, body .site-footer { margin-left: 0 !important; }
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
}