:root{--primary:#2563EB;--accent:#38BDF8;--bg:#0B1220;--text:#F1F5F9;--text-muted:#94A3B8;--card-bg:rgba(255,255,255,.06);--radius:12px;--contact-footer-h:72px;--safe-bottom:env(safe-area-inset-bottom,0px)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;padding-bottom:calc(var(--contact-footer-h) + var(--safe-bottom))}
.hidden{display:none!important}
.skip-link{position:absolute;left:-9999px}
#app-main{max-width:960px;margin:0 auto}
.section{padding:24px 16px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.section-head h2,.section h2{margin:0 0 8px;font-size:1.15rem}
.muted{color:var(--text-muted);font-size:.875rem}
.reveal{opacity:0;transform:translateY(16px);transition:.55s}
.reveal.revealed{opacity:1;transform:none}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:999px;border:none;font-size:.875rem;cursor:pointer;text-decoration:none;color:inherit}
.btn-primary{background:var(--primary);color:#fff}
.btn-secondary{background:var(--card-bg);color:var(--text);border:1px solid rgba(255,255,255,.15)}
.btn-block{width:100%}
.btn-sm{padding:6px 12px;font-size:.75rem}
.form-input{width:100%;padding:10px 12px;border:1px solid rgba(255,255,255,.15);border-radius:8px;background:rgba(0,0,0,.2);color:var(--text);margin-bottom:8px;font-size:.875rem}
.app-loader{position:fixed;inset:0;background:var(--bg);z-index:9998;display:flex;flex-direction:column;align-items:center;justify-content:center}
.sticky-nav{position:sticky;top:0;z-index:800;background:rgba(11,18,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08);padding:8px 12px;display:flex;gap:8px;overflow-x:auto}
.nav-anchor{flex-shrink:0;padding:6px 12px;border-radius:999px;font-size:.75rem;text-decoration:none;color:var(--text-muted);border:1px solid transparent}
.nav-anchor:hover,.nav-anchor:focus{color:var(--accent);border-color:var(--accent)}