:root{
  --bg:#0B0E17; --fg:#E5E7EB; --muted:#94A3B8; --card:#111827; --stroke:#1F2937;
  --brand:#CFAF6D; --brand-hover:#B89452; --secondary:#1F2937;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Arial,sans-serif;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{color:#E5C98A;text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:1.25rem}

h1,h2,h3{font-family: Georgia,"Times New Roman",serif;color: var(--brand);margin:.25rem 0 .5rem 0}
h1{font-size:clamp(1.9rem, 2vw + 1.2rem, 2.4rem);line-height:1.2}
h2{font-size:1.5rem}
h3{font-size:1.15rem}
.lead{color:var(--muted);max-width:60ch;margin:0 0 1rem 0}
.muted{color:var(--muted)}

/* === Top Header (centred to hero/container, brighter & larger) === */
.top-header{
  text-align:center;
  padding:2.2rem 1rem 1.4rem;
  background:var(--bg);
  border-bottom:1px solid var(--stroke);
}
.top-header h1{
  margin:0 auto;
  max-width:1100px;           /* aligns text with hero/container width */
  color:#FFE08A;              /* brighter gold */
  text-shadow:0 0 10px rgba(255,224,138,.45), 0 1px 0 #8f6f35;
  font-family: Georgia,"Times New Roman",serif;
  font-size:clamp(3rem, 5.5vw + 1rem, 4.2rem); /* larger than hero title */
  letter-spacing:.6px;
}

/* Hero 40/60 split */
.hero-split{display:grid;grid-template-columns:40% 60%;gap:1.25rem;align-items:stretch;min-height:55vh;margin-top:1rem}
.hero-left{display:flex;flex-direction:column;justify-content:center;padding:1.5rem 1rem}
.hero-right{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--stroke);min-height:320px}
.hero-right__bg{position:absolute;inset:0;background-size:contain;background-repeat:no-repeat;background-position:center right;filter:brightness(1.15) contrast(1.12) saturate(1.1)}
.hero-right__overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(11,14,23,0.03) 0%, rgba(11,14,23,0.25) 65%, rgba(11,14,23,0.5) 100%)}
.hero-title{margin:0 0 .6rem 0}
.cta{display:flex;gap:.6rem;flex-wrap:wrap}
.cta--uniform .button{padding:.75rem 1.1rem}

/* Layout */
.grid{display:grid;gap:1rem;grid-template-columns:repeat(3,1fr);margin-top:1.5rem}
.grid-2cards{display:grid;gap:1rem;grid-template-columns:repeat(2,1fr);margin-top:1rem}

/* Cards */
.card{background:var(--card);border:1px solid var(--stroke);border-radius:16px;padding:1rem;overflow:hidden}
.card p{color:var(--muted)}
.card-media{padding:0}
.card-media__img img{display:block;width:100%;height:auto;object-fit:cover}
.card-body{padding:1rem}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.75rem 1.15rem;border-radius:12px;border:0;background:var(--brand);color:var(--bg);font-weight:700;cursor:pointer;transition:background .2s, transform .02s}
.button:active{transform:translateY(1px)}
.button:hover{background:var(--brand-hover)}
.button.secondary{background:var(--secondary);color:var(--fg)}
.button.secondary:hover{background:#374151}

/* Forms */
.form{display:grid;gap:.75rem}
.form input,.form select,.form textarea{background:#0b1220;border:1px solid var(--stroke);border-radius:12px;color:var(--fg);padding:.75rem;width:100%}
.form label{font-size:.95rem;color:var(--fg)}
small{color:var(--muted)}

/* Notices + footer */
.notice{padding:.75rem 1rem;border-radius:12px;background:#0b1220;border:1px dashed #334155;margin:.5rem 0}
.footer{margin-top:2rem;padding:1rem 0;border-top:1px solid var(--stroke);color:var(--muted);font-size:.9rem}

/* Sidebar */
.has-sidenav{padding-left:260px}
.sidenav{position:fixed;inset:0 auto 0 0;width:240px;background:#0a0f1c;border-right:1px solid #172033;padding:16px;display:flex;flex-direction:column;gap:12px;z-index:20}
.sidenav__brand{display:flex;gap:10px;align-items:center;padding-bottom:8px;border-bottom:1px solid #172033}
.sidenav__brand img{width:32px;height:32px;border-radius:8px;object-fit:cover}
.sidenav__title{font-weight:800;color:var(--brand);letter-spacing:.2px}
.sidenav__tag{color:var(--muted);font-size:.85rem}
.sidenav__section{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.sidenav__label{color:#7e8aa2;font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;margin:6px 0}
.sidenav__link{display:block;padding:8px 10px;border-radius:10px;color:var(--fg);background:transparent;border:1px solid transparent}
.sidenav__link:hover{background:#0e1627;border-color:#1b2740;text-decoration:none}
.sidenav__toggle{display:none;position:absolute;top:12px;right:-48px;width:40px;height:40px;border-radius:10px;background:#0a0f1c;color:var(--fg);border:1px solid #172033;cursor:pointer}

/* Chat enlargement */
#aiBox{grid-column:1 / -1}
#aiPrompt{min-height:220px}
#aiOutput{min-height:280px;padding:1rem;background:#0b1220;border:1px solid var(--stroke);border-radius:12px;overflow:auto}

/* Responsive */
@media (max-width:900px){
  .has-sidenav{padding-left:0}
  .sidenav{transform:translateX(-100%);transition:transform .25s ease}
  .sidenav__toggle{display:block}
  .sidenav-open .sidenav{transform:none}
  .top-header h1{font-size:clamp(2rem,7vw,3rem)}
  .hero-split{grid-template-columns:1fr;min-height:auto}
  .hero-right{height:40vh}
  .grid{grid-template-columns:1fr}
  .grid-2cards{grid-template-columns:1fr}
}