:root, [data-theme="xeno"]{
  --accent:#fff; --accent-rgb:255,255,255;
  --bg:#000; --bg-2:#050505;
  --card-bg:rgba(255,255,255,.03); --card-border:rgba(255,255,255,.08);
  --card-hover:rgba(255,255,255,.06); --card-hover-border:rgba(255,255,255,.16);
  --text:#fff; --text-dim:#a3a3a3; --text-mute:#5a5a5a;
  --header-bg:rgba(0,0,0,.65); --header-border:rgba(255,255,255,.06);
  --success:#4ade80; --warn:#fbbf24;
}
[data-theme="madium"]{
  --accent:#ff7a1a; --accent-rgb:255,122,26;
  --bg:#070502; --bg-2:#0a0704;
  --card-bg:rgba(255,122,26,.035); --card-border:rgba(255,122,26,.12);
  --card-hover:rgba(255,122,26,.06); --card-hover-border:rgba(255,122,26,.24);
  --text:#f5f0ea; --text-dim:#c9b8a5; --text-mute:#7a6d60;
  --header-bg:rgba(7,5,2,.7); --header-border:rgba(255,122,26,.1);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
body{display:flex;flex-direction:column}
main{flex:1}
::selection{background:rgba(var(--accent-rgb),.25)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* Ambient */
.radial-top{position:fixed;inset:0;background:radial-gradient(ellipse 80% 60% at 50% -20%, rgba(var(--accent-rgb),.13), transparent 70%);pointer-events:none;z-index:0}
.grid-bg{background-image:linear-gradient(to right,rgba(var(--accent-rgb),.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(var(--accent-rgb),.05) 1px,transparent 1px);background-size:32px 32px}

/* Container */
.container{max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:10}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--header-border);transition:all .2s}
.site-header-inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;letter-spacing:-.01em}
.brand-logo{width:32px;height:32px;border-radius:50%;background:rgba(var(--accent-rgb),.12);border:1px solid var(--card-border);display:flex;align-items:center;justify-content:center;color:var(--accent);font-weight:800;font-size:14px}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{padding:8px 14px;border-radius:8px;font-size:13px;color:var(--text-dim);transition:all .2s}
.nav a:hover{color:var(--text);background:rgba(var(--accent-rgb),.06)}
.nav a.active{color:var(--text);background:rgba(var(--accent-rgb),.08)}
.header-dl{padding:10px 18px;border-radius:10px;background:var(--accent);color:#000;font-size:13px;font-weight:600;transition:all .2s;white-space:nowrap}
[data-theme="madium"] .header-dl{color:#0a0502}
.header-dl:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(var(--accent-rgb),.3)}
@media(max-width:720px){.nav a{padding:6px 10px;font-size:12px}.header-dl{padding:8px 14px;font-size:12px}}

/* Footer */
.site-footer{border-top:1px solid var(--card-border);background:var(--bg-2);position:relative;z-index:10;margin-top:60px}
.site-footer-inner{max-width:1280px;margin:0 auto;padding:32px 24px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;text-align:center}}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-links{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.footer-links a{color:var(--text-dim);font-size:13px;position:relative;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-socials{display:flex;justify-content:flex-end;gap:16px}
@media(max-width:768px){.footer-socials{justify-content:center}}
.footer-socials a{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:all .2s;background:rgba(var(--accent-rgb),.05)}
.footer-socials a:hover{color:var(--accent);background:rgba(var(--accent-rgb),.15)}
.footer-copy{text-align:center;font-size:12px;color:var(--text-mute);margin-top:24px;padding-top:24px;border-top:1px solid var(--card-border)}

/* Buttons */
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:12px;background:var(--accent);color:#000;font-weight:600;font-size:14px;transition:all .2s}
[data-theme="madium"] .btn-primary{color:#0a0502}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(var(--accent-rgb),.35)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:12px;background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-dim);font-size:14px;transition:all .2s}
.btn-secondary:hover{background:var(--card-hover);border-color:var(--card-hover-border);color:var(--text)}

/* Glass cards */
.glass{background:var(--card-bg);border:1px solid var(--card-border);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.glass-hover:hover{background:var(--card-hover);border-color:var(--card-hover-border)}

/* Modal */
.modal-backdrop{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .2s}
.modal-backdrop.open{opacity:1;pointer-events:auto}
.modal-card{max-width:520px;width:100%;background:var(--bg-2);border:1px solid var(--card-border);border-radius:20px;padding:32px;position:relative;transform:translateY(12px) scale(.98);transition:transform .2s;box-shadow:0 30px 80px rgba(0,0,0,.8)}
.modal-backdrop.open .modal-card{transform:translateY(0) scale(1)}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-dim);background:rgba(var(--accent-rgb),.05);transition:all .2s}
.modal-close:hover{color:var(--text);background:rgba(var(--accent-rgb),.12)}
.modal-title{font-size:22px;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
.modal-sub{font-size:14px;color:var(--text-dim);margin-bottom:24px}
.modal-steps{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.modal-step{display:flex;gap:14px;align-items:flex-start;padding:14px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px}
.modal-step-num{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:rgba(var(--accent-rgb),.15);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}
.modal-step-text{font-size:13px;line-height:1.6;color:var(--text-dim)}
.modal-step-text b{color:var(--text);font-weight:600}
.modal-dl{width:100%;justify-content:center;padding:16px 24px;font-size:15px}
.modal-hint{text-align:center;font-size:11px;color:var(--text-mute);margin-top:14px}

/* Page content */
.page{padding:60px 0}
.page-title{font-size:44px;font-weight:700;letter-spacing:-.02em;line-height:1.05;margin-bottom:12px}
@media(max-width:768px){.page-title{font-size:32px}}
.page-sub{font-size:16px;color:var(--text-dim);max-width:640px;margin-bottom:40px;line-height:1.6}

/* FAQ */
.faq-item{background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s}
.faq-item:hover{border-color:var(--card-hover-border)}
.faq-q{padding:18px 20px;font-size:15px;font-weight:600;display:flex;justify-content:space-between;align-items:center;cursor:pointer;user-select:none}
.faq-q::after{content:'+';font-size:20px;color:var(--accent);transition:transform .2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px;font-size:14px;line-height:1.7;color:var(--text-dim)}
.faq-item.open .faq-a{max-height:400px;padding:0 20px 20px}

/* Donate */
.donate-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.donate-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:24px;transition:all .2s}
.donate-card:hover{border-color:var(--card-hover-border);transform:translateY(-2px)}
.donate-card h3{font-size:15px;margin-bottom:8px}
.donate-card p{font-size:12px;color:var(--text-dim);margin-bottom:16px;line-height:1.5}
.donate-code{font-family:ui-monospace,monospace;font-size:12px;background:rgba(var(--accent-rgb),.08);border:1px solid var(--card-border);border-radius:8px;padding:10px 12px;color:var(--accent);word-break:break-all;cursor:pointer;transition:all .2s}
.donate-code:hover{background:rgba(var(--accent-rgb),.15)}

/* Misc */
.hidden{display:none!important}