*{box-sizing:border-box}
:root{
  --bg: #111111;
  --text: #ffffff;
  --accent: #c0a24a;
  --radius: .75rem;
  --container: 1100px;
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;line-height:1.6;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--text);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25)}
a:hover{opacity:.9}
.container{max-width:var(--container);margin:0 auto;padding:1rem}
@media (min-width:768px){ .container{padding:2rem} }

.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(to bottom, rgba(0,0,0,.75), rgba(0,0,0,.35));backdrop-filter:saturate(120%) blur(4px);border-bottom:1px solid rgba(255,255,255,.08)}
.brand{font-size:1.25rem;font-weight:700;text-align:center;padding:.75rem 1rem}
.brand a{border:0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:0 1rem}
@media (min-width:768px){ .header-inner{padding:0 2rem} }
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.25);border-radius:.6rem;background:rgba(255,255,255,.06);color:var(--text);cursor:pointer}
.menu-toggle:focus{outline:2px solid var(--accent);outline-offset:2px}

.main-nav{display:none;border-top:1px solid rgba(255,255,255,.08)}
.main-nav.open{display:block}
.main-nav ul{list-style:none;margin:0;padding:.5rem 1rem;display:flex;flex-direction:column;gap:.5rem}
.main-nav a{padding:.6rem .8rem;border-radius:.6rem;border:1px solid transparent}
.main-nav a.active{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.15)}

@media (min-width:768px){
  .menu-toggle{display:none}
  .main-nav{display:block;border-top:0}
  .main-nav ul{flex-direction:row;justify-content:center;gap:1rem;padding:.75rem 0}
}

.header-image{margin:1rem 0}
.header-image img{width:100%;height:auto;border-radius:var(--radius);box-shadow:0 10px 30px rgba(0,0,0,.3);max-height:45vh;object-fit:cover}

.content h1{margin-top:0;font-size:clamp(1.5rem, 2.5vw, 2rem)}
.content h2{font-size:clamp(1.2rem, 2vw, 1.5rem)}
.content p{margin:0 0 1rem 0}

.site-footer{border-top:1px solid rgba(255,255,255,.08);padding:2rem 1rem;text-align:center;opacity:.85}

.form-row{margin-bottom:1rem}
label{display:block;margin-bottom:.35rem;font-weight:600}
input[type=text],input[type=password],input[type=color],textarea,input[type=email],input[type=tel],input[type=date],input[type=number]{
  width:100%;padding:.7rem;border-radius:.6rem;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.06);color:var(--text)
}
button,.btn{display:inline-block;padding:.6rem 1rem;border-radius:.6rem;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);color:var(--text);cursor:pointer}
button:hover,.btn:hover{background:rgba(255,255,255,.18)}

table{width:100%;border-collapse:collapse}
th,td{padding:.6rem;border-bottom:1px solid rgba(255,255,255,.15);text-align:left}
@media (max-width:640px){ table{display:block;overflow-x:auto;white-space:nowrap} }

.notice{padding:.75rem;border-radius:.6rem;background:rgba(255,255,255,.1);margin:1rem 0}
.error{background:rgba(200,0,0,.25)}
.success{background:rgba(0,140,0,.25)}

/* Cards & grids */
.card{border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:1rem;background:rgba(255,255,255,.04)}
.grid{display:grid;gap:12px}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}

/* Utility */
.hidden{display:none !important}
.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}