.vm-header{position:sticky;top:0;z-index:40;backdrop-filter:blur(18px)}.vm-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:var(--header-height)}.vm-header__brand{display:flex;align-items:center;flex-shrink:0}.vm-header__logo-link{display:flex;align-items:center;gap:0.75rem;color:var(--color-text)}.vm-header__mark{width:2.5rem;height:2.5rem;border-radius:999px;border:1px solid rgba(90,168,142,0.85);background:radial-gradient(circle at 30% 0,rgba(127,200,216,0.32) 0,transparent 55%),radial-gradient(circle at 100% 100%,rgba(201,138,61,0.25) 0,transparent 60%),linear-gradient(145deg,#050b12,#0d1824);display:flex;align-items:center;justify-content:center;box-shadow:0 15px 40px rgba(0,0,0,0.85)}.vm-header__mark-icon{color:var(--color-icon);font-size:0.9rem}.vm-header__text{display:flex;flex-direction:column;line-height:1.1}.vm-header__site{font-family:var(--font-display);text-transform:uppercase;letter-spacing:0.18em;font-size:0.8rem;color:var(--color-heading)}.vm-header__tagline{font-size:0.7rem;color:var(--gray-700)}.vm-header__badge-area{display:none;margin-left:auto}.vm-header__nav{margin-left:auto}.vm-header__nav-list{display:flex;align-items:center;gap:1.25rem}.vm-header__nav-link{font-size:0.75rem;letter-spacing:0.14em;text-transform:uppercase}.vm-header__nav-item--accent .vm-header__nav-link{padding-inline:0.9rem;padding-block:0.35rem;border-radius:999px;border:1px solid rgba(201,138,61,0.8);background:rgba(9,16,23,0.95);color:var(--color-primary)}.vm-header__nav-item--accent .vm-header__nav-link:hover{background:rgba(34,52,70,0.9);color:var(--color-primary-hover)}.vm-header__toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:2.5rem;height:2.5rem;border-radius:999px;border:1px solid rgba(48,69,87,0.9);background:rgba(7,15,23,0.95);cursor:pointer;transition:background-color var(--transition-base),transform var(--transition-fast),border-color var(--transition-base)}.vm-header__toggle-line{width:1.3rem;height:2px;border-radius:999px;background:var(--gray-700);transition:transform var(--transition-base),opacity var(--transition-base),background-color var(--transition-base)}.vm-header__toggle:hover{background:rgba(22,36,52,0.96);border-color:var(--color-decorative)}.vm-header__toggle[aria-expanded="true"] .vm-header__toggle-line:nth-child(1){transform:translateY(5px) rotate(45deg);background:var(--color-primary)}.vm-header__toggle[aria-expanded="true"] .vm-header__toggle-line:nth-child(2){opacity:0}.vm-header__toggle[aria-expanded="true"] .vm-header__toggle-line:nth-child(3){transform:translateY(-5px) rotate(-45deg);background:var(--color-primary)}@media (min-width:1024px){.vm-header__badge-area{display:flex}.vm-header__toggle{display:none}.vm-header__nav{position:static;opacity:1;visibility:visible;pointer-events:auto}.vm-header__nav-list{flex-direction:row;background:transparent;border-radius:0;box-shadow:none;border:none;padding:0}}@media (max-width:1023.98px){.vm-header__inner{gap:1rem}.vm-header__badge-area{display:none}.vm-header__toggle{display:flex}.vm-header__nav{position:absolute;inset-inline:0;top:calc(var(--header-height) - 0.2rem);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-4px);transition:opacity var(--transition-base),visibility var(--transition-base),transform var(--transition-base)}.vm-header__nav-list{flex-direction:column;align-items:flex-start;padding:0.85rem 1.25rem 1rem;margin-inline:auto;max-width:calc(var(--container-width) - 2rem);background:radial-gradient(circle at 0 0,rgba(127,200,216,0.22) 0,transparent 55%),radial-gradient(circle at 100% 100%,rgba(9,16,23,0.98) 0,transparent 60%),linear-gradient(150deg,rgba(13,24,36,0.98),rgba(13,24,36,0.98));border-radius:0 0 var(--radius-lg) var(--radius-lg);border:1px solid rgba(48,69,87,0.9);border-top:none;box-shadow:var(--shadow-elevated);backdrop-filter:blur(18px)}.vm-header__nav-item--accent{align-self:stretch}.vm-header__nav-item--accent .vm-header__nav-link{display:flex;justify-content:center;width:100%;text-align:center}.vm-header__nav--open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}}.vm-header__nav-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:4px;border-radius:2px}