:root{
  --bg:#0f1724;
  --card:#0b1220;
  --muted:#94a3b8;
  --accent:#7c3aed;
  --text:#e6eef8;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial;font-size:16px;line-height:1.5;color:var(--text);background:linear-gradient(180deg,#071022 0%, #071422 100%)}
.container{max-width:900px;margin:0 auto;padding:1rem}
.site-header{backdrop-filter:blur(6px);position:sticky;top:0;background:linear-gradient(90deg,rgba(7,10,20,0.6),rgba(5,8,15,0.6));border-bottom:1px solid rgba(255,255,255,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0.5rem 0}
.brand{color:var(--text);text-decoration:none;font-weight:700;letter-spacing:0.4px}
.main-nav a{color:var(--muted);text-decoration:none;margin:0 0.5rem;padding:0.25rem}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,0.02);border-radius:6px}
.header-actions{display:flex;gap:0.5rem;align-items:center}
.icon-link{color:var(--muted);display:inline-flex;align-items:center;padding:0.25rem;border-radius:6px}
.icon-link svg{display:block}
.mobile-only{display:none}
.hero{padding:3rem 0}
.hero-inner{display:block;gap:0.75rem}
.hero-title{margin-bottom:0.5rem}
.lead{color:var(--muted);margin-top:0.25rem}
.section{padding:2rem 0}
.section.alt{background:rgba(255,255,255,0.01);border-top:1px solid rgba(255,255,255,0.02)}
.btn{display:inline-block;padding:0.45rem 0.75rem;border-radius:8px;text-decoration:none;font-weight:600;border:1px solid transparent}
.btn.primary{background:var(--accent);color:white}
.btn.ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,0.06)}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:1rem;border-radius:10px;margin:0.5rem 0;transition:transform 180ms,box-shadow 180ms}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(2,6,23,0.6)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.site-footer{padding:1rem 0;color:var(--muted);border-top:1px solid rgba(255,255,255,0.02)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(10px);transition:opacity 420ms ease,transform 420ms ease}
.reveal.visible{opacity:1;transform:none}

/* Timeline */
.timeline{display:flex;flex-direction:column;gap:0.75rem;margin-top:1rem}
.timeline-item{display:flex;align-items:center;gap:0.75rem;padding:0.6rem;border-radius:8px;cursor:pointer;transition:background 160ms,transform 160ms}
.timeline-item .dot{width:12px;height:12px;border-radius:50%;background:var(--accent);flex:0 0 12px}
.timeline-item .info{color:var(--text)}
.timeline-item:hover{background:rgba(255,255,255,0.02);transform:translateY(-3px)}

/* Modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:60}
.modal[aria-hidden="false"]{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.6)}
.modal-panel{position:relative;z-index:61;background:var(--card);padding:1.25rem;border-radius:10px;max-width:520px;width:92%;box-shadow:0 12px 40px rgba(0,0,0,0.6)}
.modal-close{position:absolute;right:10px;top:10px;border:0;background:transparent;color:var(--muted);font-size:1rem}
.muted{color:var(--muted);font-size:0.95rem}

/* small helpers */
.mt-small{margin-top:0.75rem}


/* Responsive */
@media (max-width:720px){
  .hero-inner{flex-direction:row;gap:0.75rem}
  .mobile-only{display:inline-flex}
  .main-nav{display:none}
  .header-actions button{background:transparent;border:0;color:var(--muted);font-size:1.125rem}
}

/* Light theme */
:root.light{--bg:#f7fafc;--card:#ffffff;--muted:#475569;--accent:#2563eb;--text:#0f1724}
.light body{background:linear-gradient(180deg,#ffffff 0%, #f1f5f9 100%)}

/* Utility */
.name{color:var(--accent)}