/* Logo */
.brand-logo{display:inline-flex;align-items:center;text-decoration:none;opacity:1;transition:opacity .2s ease}
.brand-logo:hover{opacity:.85}
.brand-logo img{display:block;height:34px;width:auto;transition:height .3s var(--ease)}
.nav.scrolled .brand-logo img{height:26px}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.65}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* Header */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(42,60,87,0);backdrop-filter:blur(0px);transition:background .35s var(--ease),backdrop-filter .35s var(--ease),border-color .35s var(--ease);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(42,60,87,.92);backdrop-filter:blur(10px);border-bottom-color:rgba(255,255,255,.08)}
.nav .container{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.nav .brand,.nav a{color:#fff}
.nav nav{display:flex;gap:28px}
.nav nav a{font-size:14px;color:rgba(255,255,255,.78);text-decoration:none;transition:color .2s ease}
.nav nav a:hover{color:var(--yg)}
@media(max-width:760px){.nav nav{display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:var(--r);font-weight:500;font-size:15px;text-decoration:none;border:0;cursor:pointer;transition:transform .2s var(--ease),background .2s ease,box-shadow .2s ease;position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.25),transparent 60%);opacity:0;transition:opacity .25s ease;pointer-events:none}
.btn:hover::after{opacity:1}
.btn:hover{transform:translateY(-2px)}
.btn-yg{background:var(--yg);color:var(--yg-txt);box-shadow:0 8px 24px -10px rgba(164,217,58,.6)}
.btn-yg:hover{background:var(--yg-dk);box-shadow:0 14px 32px -10px rgba(164,217,58,.7)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{border-color:var(--yg);color:var(--yg)}
.btn-steel{background:var(--steel);color:#fff}
.btn-steel:hover{background:var(--steel-dk)}

/* Cards */
.card{background:#fff;border:1px solid var(--gray2);border-radius:var(--r);padding:28px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(42,60,87,.25);border-color:var(--steel-lt)}
.card .num{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--steel-lt);margin-bottom:12px;display:block}
.card h3{font-size:20px;margin-bottom:8px}
.card p{font-size:15px;color:#3b475c;margin:0}
.bg-steel .card,.bg-steel-dk .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12);color:rgba(255,255,255,.85)}
.bg-steel .card h3,.bg-steel-dk .card h3{color:#fff}
.bg-steel .card .num,.bg-steel-dk .card .num{color:var(--yg)}
.bg-steel .card:hover,.bg-steel-dk .card:hover{background:rgba(255,255,255,.07);border-color:var(--yg)}

/* Badge */
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--yg-12);border:1px solid rgba(164,217,58,.35);color:var(--yg);padding:6px 12px;border-radius:999px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:24px}
.badge .d{width:6px;height:6px;border-radius:50%;background:var(--yg);animation:pulse 2s ease-in-out infinite}

/* Inputs */
.input{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:var(--r);padding:14px 16px;color:#fff;font-family:inherit;font-size:15px;transition:all .2s var(--ease)}
.input::placeholder{color:rgba(255,255,255,.4)}
.input:focus{outline:none;border-color:var(--yg);box-shadow:0 0 0 4px var(--yg-12);background:rgba(255,255,255,.1)}

/* Footer */
footer{background:var(--steel-dk);color:rgba(255,255,255,.6);padding:40px 0;font-size:13px}
footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
footer .brand{color:#fff}

/* Level QR code */
.lvl-qr{display:block;width:64px;height:64px;margin-top:10px;border-radius:6px;opacity:.75;filter:invert(1) brightness(1.5);transition:opacity .2s ease}
.lvl-qr:hover{opacity:1}

@media (max-width: 480px) {
  .nav .container { padding: 10px 16px; }
  .nav .brand-logo img { height: 26px; }
  .nav .btn { padding: 8px 12px; font-size: 12px; }
  .modal-card { padding: 24px; border-radius: 16px; }
  .modal-head h3 { font-size: 22px; }
}

@media (prefers-reduced-motion:reduce){
  .brand .dot,.brand .cursor{animation:none}
  *{animation:none!important;transition:none!important}
}

.modal-overlay{position:fixed;inset:0;background:rgba(18,25,38,0.9);backdrop-filter:blur(10px);z-index:100;display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity 0.3s ease;padding:20px}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-card{background:var(--steel-dk);border:1px solid rgba(255,255,255,0.1);padding:40px;border-radius:24px;width:100%;max-width:480px;position:relative;color:#fff}
.modal-close{position:absolute;top:20px;right:20px;background:none;border:none;color:rgba(255,255,255,0.4);font-size:32px;cursor:pointer;transition:color 0.2s ease}
.modal-close:hover{color:var(--yg)}
.modal-head{margin-bottom:32px}
.modal-head h3{font-size:28px;margin:8px 0 12px}
.modal-head p{font-size:15px;color:rgba(255,255,255,0.6);line-height:1.6}
.modal-form{display:grid;gap:20px}
.input-group label{display:block;font-size:12px;color:rgba(255,255,255,0.5);margin-bottom:8px;text-transform:uppercase;letter-spacing:0.1em}
.success-msg h4{font-size:24px;margin:12px 0 8px;color:var(--yg)}
.success-msg p{color:rgba(255,255,255,0.6)}