.bpi-header{position:fixed;top:0;left:0;right:0;z-index:40;height:var(--header-height);display:flex;align-items:center}.bpi-header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.bpi-header__brand{display:flex;align-items:center;min-width:0}.bpi-header__logo-link{display:inline-flex;align-items:center;gap:0.6rem}.bpi-header__logo-mark{position:relative;width:32px;height:32px;border-radius:999px;background:radial-gradient(circle at 15% 0,#e0f2fe,#1d4ed8);display:flex;align-items:center;justify-content:center;box-shadow:0 0 18px rgba(59,130,246,0.85)}.bpi-header__logo-orbit{position:absolute;inset:3px;border-radius:inherit;border:1px solid rgba(125,211,252,0.85);opacity:0.85}.bpi-header__logo-core{width:12px;height:12px;border-radius:30% 70% 40% 60%;background:conic-gradient(from 210deg,#22d3ee,#a855f7,#fb923c,#22c55e,#22d3ee);box-shadow:0 0 12px rgba(56,189,248,0.9)}.bpi-header__text{display:flex;flex-direction:column}.bpi-header__site-name{font-weight:700;font-size:0.98rem;letter-spacing:0.06em;text-transform:uppercase}.bpi-header__site-tagline{font-size:0.72rem;color:var(--color-text-muted);letter-spacing:0.08em;text-transform:uppercase}.bpi-header__nav{display:flex;align-items:center}.bpi-header__nav-list{display:flex;align-items:center;gap:1.25rem}.bpi-header__nav-link{font-size:0.9rem;color:var(--color-text-muted);padding:0.25rem 0;border-radius:999px;position:relative;transition:color var(--transition-base),background-color var(--transition-base),transform var(--transition-fast)}.bpi-header__nav-link::after{content:"";position:absolute;left:0;bottom:-0.15rem;width:0;height:2px;border-radius:999px;background:linear-gradient(90deg,var(--color-cyan),var(--color-purple));transition:width var(--transition-base)}.bpi-header__nav-link:hover{color:var(--color-cyan);transform:translateY(-1px)}.bpi-header__nav-link:hover::after{width:100%}.bpi-header__nav-item--cta .bpi-header__nav-link{padding:0.5rem 1.1rem;border-radius:999px;background:linear-gradient(135deg,var(--color-primary),var(--color-cyan));color:#020617;font-weight:600;box-shadow:var(--shadow-sm),var(--shadow-glow-primary)}.bpi-header__nav-item--cta .bpi-header__nav-link::after{display:none}.bpi-header__nav-item--cta .bpi-header__nav-link:hover{transform:translateY(-1px) scale(1.01);box-shadow:var(--shadow-md),var(--shadow-glow-cyan)}.bpi-header__toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid rgba(148,163,184,0.5);background:rgba(15,23,42,0.85);color:var(--color-text);cursor:pointer;transition:background-color var(--transition-base),border-color var(--transition-base),transform var(--transition-fast),box-shadow var(--transition-base)}.bpi-header__toggle:hover{background:rgba(15,23,42,0.98);border-color:rgba(148,163,184,0.9);box-shadow:var(--shadow-md)}.bpi-header__toggle-box{position:relative;width:18px;height:14px;display:inline-flex;flex-direction:column;justify-content:space-between}.bpi-header__toggle-line{height:2px;width:100%;border-radius:999px;background:linear-gradient(90deg,var(--color-cyan),var(--color-purple));transition:transform var(--transition-base),opacity var(--transition-base),width var(--transition-base),background var(--transition-base)}.bpi-header__toggle[aria-expanded="true"] .bpi-header__toggle-line--top{transform:translateY(6px) rotate(45deg)}.bpi-header__toggle[aria-expanded="true"] .bpi-header__toggle-line--middle{opacity:0}.bpi-header__toggle[aria-expanded="true"] .bpi-header__toggle-line--bottom{transform:translateY(-6px) rotate(-45deg);width:100%}@media (max-width:899px){.bpi-header__toggle{display:inline-flex}.bpi-header__nav{position:fixed;inset:var(--header-height) 0 auto 0;max-height:0;overflow:hidden;transition:max-height var(--transition-slow);background:rgba(15,23,42,0.98);border-bottom:1px solid rgba(15,23,42,1);box-shadow:0 16px 40px rgba(15,23,42,0.9)}.bpi-header__nav-list{flex-direction:column;align-items:flex-start;padding:0 var(--space-4) var(--space-4);gap:0.35rem}.bpi-header__nav-item{width:100%}.bpi-header__nav-link{display:block;width:100%;padding:0.75rem 0}.bpi-header__nav-item--cta .bpi-header__nav-link{width:auto;display:inline-flex;margin-top:0.5rem}.bpi-header--menu-open .bpi-header__nav{max-height:320px}.bpi-header--menu-open{box-shadow:0 18px 40px rgba(15,23,42,0.95)}}@media (min-width:900px){.bpi-header__nav{position:static;max-height:none !important;background:transparent;border:none;box-shadow:none}.bpi-header__nav-list{padding:0}.bpi-header__nav-link{padding-inline:0}.bpi-header__toggle{display:none}}