.lk-header{position:sticky;top:0;z-index:40;height:var(--header-height);backdrop-filter:blur(18px);background:linear-gradient(to bottom,rgba(5,6,8,0.98),rgba(5,6,8,0.9));border-bottom:1px solid rgba(255,255,255,0.06)}.lk-header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.lk-header__brand{display:inline-flex;align-items:center;gap:var(--space-3);padding-block:0.35rem}.lk-header__logo{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:1.25rem;background:radial-gradient(circle at 20% 0,rgba(242,180,65,0.85),rgba(225,61,51,0.95));box-shadow:var(--shadow-sm);flex-shrink:0}.lk-logo-icon{position:relative;display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:0.85rem;background:rgba(0,0,0,0.85);box-shadow:inset 0 0 0 1px rgba(255,255,255,0.12);overflow:hidden}.lk-logo-icon__fork{position:absolute;left:5px;top:4px;width:7px;height:18px;border-radius:999px;background:linear-gradient(to bottom,#f7f3ee,#cbc5b9);box-shadow:0 0 0 1px rgba(0,0,0,0.5)}.lk-logo-icon__fork::before,.lk-logo-icon__fork::after{content:"";position:absolute;top:0;width:1px;height:7px;border-radius:999px;background:#050507;box-shadow:0 0 0 1px rgba(0,0,0,0.4)}.lk-logo-icon__fork::before{left:1px}.lk-logo-icon__fork::after{right:1px}.lk-logo-icon__grid{position:absolute;right:4px;bottom:3px;width:12px;height:12px;display:grid;grid-template-columns:repeat(2,1fr);gap:2px}.lk-logo-icon__grid span{border-radius:2px;background:linear-gradient(145deg,#1f5a4a,#111214)}.lk-header__text{display:flex;flex-direction:column}.lk-header__title{font-family:var(--font-display);font-size:var(--text-base);letter-spacing:0.08em;text-transform:uppercase;color:var(--gray-50)}.lk-header__subtitle{font-size:var(--text-xs);color:var(--color-text-muted);max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lk-header__nav{display:flex;align-items:center;gap:var(--space-4);margin-left:auto}.lk-header__nav-surface{display:flex;align-items:center;gap:var(--space-4)}.lk-header__nav-list{display:flex;align-items:center;gap:var(--space-2)}.lk-header__nav-link{display:inline-flex;align-items:center;justify-content:center;padding:0.35rem 0.75rem;border-radius:999px;font-size:var(--text-sm);color:var(--color-text-muted);border:1px solid transparent;white-space:nowrap}.lk-header__nav-link:hover{color:var(--gray-50);border-color:rgba(255,255,255,0.14);background:rgba(9,10,12,0.9)}.lk-header__nav-item--accent .lk-header__nav-link{border-color:rgba(225,61,51,0.75);color:var(--gray-50);background:radial-gradient(circle at top left,rgba(225,61,51,0.6),rgba(15,16,20,0.95))}.lk-header__nav-item--accent .lk-header__nav-link:hover{background:radial-gradient(circle at top left,rgba(242,180,65,0.7),rgba(225,61,51,0.9))}.lk-header__cta-wrap{display:flex;align-items:center}.lk-header__cta-btn{font-size:var(--text-xs);padding-inline:1.1rem;padding-block:0.5rem}.lk-header__menu-toggle{display:none;align-items:center;gap:0.45rem;padding:0.35rem 0.75rem;border-radius:999px;border:1px solid rgba(255,255,255,0.12);background:rgba(5,6,8,0.9);color:var(--color-text);cursor:pointer}.lk-header__menu-icon{position:relative;width:18px;height:18px;border-radius:999px;background:rgba(0,0,0,0.85);display:flex;align-items:center;justify-content:center}.lk-header__menu-icon span{position:absolute;width:11px;height:1.5px;border-radius:999px;background:var(--gray-100);transition:transform var(--transition-base),opacity var(--transition-base),top var(--transition-base),bottom var(--transition-base)}.lk-header__menu-icon span:first-child{top:6px}.lk-header__menu-icon span:last-child{bottom:6px}.lk-header__menu-label{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:0.12em;color:var(--color-text-muted)}.lk-header__menu-toggle:focus-visible{box-shadow:var(--shadow-focus)}.lk-header__menu-toggle[aria-expanded="true"] .lk-header__menu-icon span:first-child{top:auto;transform:rotate(45deg)}.lk-header__menu-toggle[aria-expanded="true"] .lk-header__menu-icon span:last-child{bottom:auto;transform:rotate(-45deg)}@media (max-width:900px){.lk-header__subtitle{display:none}.lk-header__cta-btn{padding-inline:0.9rem}}@media (max-width:768px){.lk-header{height:auto}.lk-header__inner{padding-block:0.5rem}.lk-header__menu-toggle{display:inline-flex}.lk-header__nav-surface{position:fixed;inset-inline:0;top:var(--header-height);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity var(--transition-base),transform var(--transition-base);background:radial-gradient(circle at top,rgba(15,16,20,1),rgba(5,6,8,1));border-bottom:1px solid rgba(255,255,255,0.06);box-shadow:0 18px 40px rgba(0,0,0,0.72);flex-direction:column;align-items:stretch;padding:0.35rem 0 0.75rem;max-height:0;overflow:hidden}.lk-header__nav-surface.is-open{opacity:1;pointer-events:auto;transform:translateY(0);max-height:320px}.lk-header__nav-list{flex-direction:column;align-items:stretch;padding-inline:var(--space-4);margin-top:0.25rem}.lk-header__nav-link{justify-content:flex-start;padding-block:0.55rem;font-size:var(--text-base);border-radius:var(--radius-md)}.lk-header__cta-wrap{padding-inline:var(--space-4);padding-top:0.35rem}.lk-header__cta-btn{width:100%;justify-content:center}.lk-header__nav-surface:focus-visible{box-shadow:var(--shadow-focus)}}@media (max-width:480px){.lk-header__title{font-size:var(--text-sm)}.lk-header__brand{gap:var(--space-2)}.lk-header__logo{width:34px;height:34px}.lk-logo-icon{width:22px;height:22px}.lk-header__menu-label{display:none}}