/* PCB HEADER V3 */
:root{
    --pcb-blue:#0a66b7; --pcb-blue-dark:#073d73; --pcb-yellow:#ffd800;
    --pcb-red:#df3c2f; --pcb-ink:#102d55; --pcb-line:#e7edf4; --pcb-white:#fff;
}
.pcb-topbar{background:linear-gradient(90deg,var(--pcb-blue-dark),#0a5a9f);color:#fff;font-size:12px;font-weight:800}
.pcb-topbar__inner{width:min(1180px,92%);min-height:38px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.pcb-topbar__identity,.pcb-topbar__social{display:flex;align-items:center;gap:10px}
.pcb-topbar__dot{opacity:.65}.pcb-topbar__social a{color:#fff}.pcb-follow-label{opacity:.75;margin-right:4px}
.pcb-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);border-bottom:1px solid var(--pcb-line);box-shadow:0 6px 26px rgba(8,47,86,.06);backdrop-filter:blur(14px);transition:box-shadow .2s ease}
.pcb-header.is-scrolled{box-shadow:0 10px 30px rgba(8,47,86,.10)}
.pcb-header__inner{width:min(1180px,92%);min-height:92px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.pcb-brand{display:flex;align-items:center;gap:12px;min-width:295px}
.pcb-brand__mark{width:66px;height:66px;display:grid;place-items:center;flex:none}
.pcb-brand__mark img{display:block;width:100%;height:100%;object-fit:contain}
.pcb-brand__text{display:block;line-height:1.05}
.pcb-brand__text strong{display:block;color:var(--pcb-ink);font-size:17px;font-weight:900}
.pcb-brand__text small{display:block;margin-top:6px;color:var(--pcb-red);font-size:12px;font-weight:900;font-style:italic}
.pcb-nav{display:flex;align-items:center;justify-content:center;gap:2px}
.pcb-nav a{position:relative;display:inline-flex;align-items:center;min-height:92px;padding:0 9px;color:var(--pcb-ink);font-size:14px;font-weight:850;white-space:nowrap}
.pcb-nav a::after{content:"";position:absolute;left:9px;right:9px;bottom:18px;height:3px;border-radius:999px;background:var(--pcb-yellow);transform:scaleX(0);transition:transform .2s ease}
.pcb-nav a:hover,.pcb-nav a.is-active{color:var(--pcb-blue)}
.pcb-nav a:hover::after,.pcb-nav a.is-active::after{transform:scaleX(1)}
.pcb-join{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 18px;border-radius:12px;background:var(--pcb-yellow);color:var(--pcb-ink);font-size:14px;font-weight:900;box-shadow:0 8px 22px rgba(255,216,0,.18);transition:transform .18s ease,box-shadow .18s ease}
.pcb-join:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,216,0,.25)}
.pcb-menu-toggle{display:none;width:48px;height:48px;padding:10px;border:1px solid var(--pcb-line);border-radius:12px;background:#fff;cursor:pointer}
.pcb-menu-toggle span{display:block;width:24px;height:2px;margin:5px auto;border-radius:999px;background:var(--pcb-ink);transition:transform .22s ease,opacity .18s ease}
.pcb-menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.pcb-menu-toggle.is-open span:nth-child(2){opacity:0}
.pcb-menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
body.pcb-menu-open{overflow:hidden}
@media (max-width:1140px){
 .pcb-header__inner{grid-template-columns:1fr auto auto;min-height:82px;gap:16px}
 .pcb-brand{min-width:0}.pcb-menu-toggle{display:block;grid-column:2;grid-row:1}
 .pcb-join{grid-column:3;grid-row:1;min-height:46px}
 .pcb-nav{position:absolute;left:0;right:0;top:100%;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:8px 4%;background:#fff;border-top:1px solid var(--pcb-line);border-bottom:1px solid var(--pcb-line);box-shadow:0 18px 32px rgba(7,61,115,.10);opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;transition:opacity .2s ease,transform .2s ease,visibility .2s ease;max-height:calc(100vh - 126px);overflow:auto}
 .pcb-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
 .pcb-nav a{min-height:52px;justify-content:flex-start;padding:0 4px;border-bottom:1px solid var(--pcb-line);font-size:15px}
 .pcb-nav a:last-child{border-bottom:0}.pcb-nav a::after{display:none}
 .pcb-nav a.is-active{color:var(--pcb-blue);background:linear-gradient(90deg,rgba(10,102,183,.07),transparent);padding-left:12px;border-left:4px solid var(--pcb-yellow)}
}
@media (max-width:700px){
 .pcb-topbar__inner{min-height:34px;justify-content:center;text-align:center}.pcb-topbar__social{display:none}
 .pcb-header__inner{width:94%;min-height:78px;gap:10px}.pcb-brand{gap:9px}.pcb-brand__mark{width:50px;height:50px}
 .pcb-brand__text strong{font-size:14px}.pcb-brand__text small{margin-top:4px;font-size:10px}
 .pcb-menu-toggle{width:44px;height:44px}.pcb-join{min-height:44px;padding:0 13px;border-radius:11px;font-size:12px}.pcb-join__arrow{display:none}
 .pcb-nav{padding-left:3%;padding-right:3%;max-height:calc(100vh - 112px)}
}
@media (max-width:430px){
 .pcb-brand__text strong{max-width:190px;font-size:13px}.pcb-brand__mark{width:46px;height:46px}.pcb-menu-toggle{width:42px;height:42px}.pcb-join{padding:0 11px;font-size:11px}
}