.lv-header{position:sticky;top:0;z-index:40;padding:12px var(--space-4)}.lv-header-inner{max-width:var(--container-max-width);margin:0 auto;border-radius:999px;padding:8px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 14px 40px rgba(20,75,60,0.14);border:1px solid rgba(157,231,196,0.65);backdrop-filter:blur(18px)}.lv-header-brand{display:flex;align-items:center;min-width:0}.lv-header-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}.lv-header-logo-mark{width:38px;height:38px;border-radius:16px;background:radial-gradient(circle at 30% 15%,#FFF 0,rgba(255,255,255,0.2) 45%),radial-gradient(circle at 70% 80%,rgba(125,107,255,0.9) 0,rgba(125,107,255,0.4) 45%),radial-gradient(circle at 10% 90%,rgba(155,231,196,0.95) 0,rgba(155,231,196,0.45) 52%);box-shadow:0 10px 24px rgba(17,52,72,0.36);position:relative;overflow:hidden}.lv-header-logo-mark::after{content:"";position:absolute;inset:auto 4px 4px 4px;border-radius:12px;border:1px solid rgba(248,252,248,0.75);box-shadow:0 0 0 1px rgba(79,179,232,0.4)}.lv-header-logo-text{display:flex;flex-direction:column;line-height:1}.lv-header-logo-title{font-family:var(--font-heading);font-weight:700;font-size:var(--font-size-lg);color:var(--color-heading)}.lv-header-logo-subtitle{font-size:var(--font-size-xs);color:var(--gray-500)}.lv-header-toggle{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,0.95);box-shadow:0 0 0 1px rgba(217,240,227,0.9);color:var(--gray-700);transition:background var(--transition-base),box-shadow var(--transition-base),transform var(--transition-base)}.lv-header-toggle-box{width:20px;height:16px;display:inline-flex;flex-direction:column;justify-content:space-between}.lv-header-toggle-line{height:2px;border-radius:999px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent))}.lv-header-toggle-text{font-size:var(--font-size-xs);font-weight:500;text-transform:uppercase;letter-spacing:0.08em}.lv-header-toggle:hover{background:#FFFFFF;box-shadow:var(--shadow-md);transform:translateY(-1px)}.lv-header-nav{position:fixed;inset:64px var(--space-4) auto var(--space-4);border-radius:24px;background:rgba(248,252,248,0.98);box-shadow:0 30px 80px rgba(17,52,72,0.45);padding:18px 18px 20px;transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--transition-base),transform var(--transition-base),visibility var(--transition-base);display:flex;flex-direction:column;gap:16px;max-width:420px;margin:0 auto}.lv-header-nav-list{display:flex;flex-direction:column;gap:6px}.lv-header-nav-link{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-radius:999px;font-size:var(--font-size-sm);font-weight:500;color:var(--gray-700);background:rgba(255,255,255,0.96);box-shadow:0 0 0 1px rgba(217,240,227,0.9);transition:background var(--transition-base),box-shadow var(--transition-base),transform var(--transition-base),color var(--transition-base)}.lv-header-nav-link::after{content:"";width:18px;height:18px;border-radius:999px;background:radial-gradient(circle at 30% 10%,#FFF 0,rgba(255,255,255,0.1) 45%),radial-gradient(circle at center,rgba(79,179,232,0.85) 0,rgba(125,107,255,0.95) 55%,rgba(155,231,196,0.8) 100%);box-shadow:0 6px 16px rgba(17,52,72,0.3);opacity:0;transform:scale(0.75);transition:opacity var(--transition-base),transform var(--transition-base)}.lv-header-nav-link:hover{background:#FFFFFF;box-shadow:var(--shadow-md);transform:translateY(-1px);color:var(--color-heading)}.lv-header-nav-link:hover::after{opacity:1;transform:scale(1)}.lv-header-cta-wrapper{margin-top:8px}.lv-header-cta{width:100%;justify-content:center;font-size:var(--font-size-sm)}.lv-header-note{margin:4px 2px 0;font-size:var(--font-size-xs)}.lv-header-note-dot{width:8px;height:8px;border-radius:999px;background:radial-gradient(circle at 30% 20%,#FFF 0,rgba(255,255,255,0) 52%),radial-gradient(circle at center,rgba(255,107,107,0.95) 0,rgba(255,107,107,0.7) 55%);box-shadow:0 0 0 4px rgba(255,107,107,0.32)}.lv-header-nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.lv-header-toggle[aria-expanded="true"] .lv-header-toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}.lv-header-toggle[aria-expanded="true"] .lv-header-toggle-line:nth-child(2){opacity:0}.lv-header-toggle[aria-expanded="true"] .lv-header-toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (min-width:768px){.lv-header{padding:16px var(--space-6)}.lv-header-inner{padding:10px 18px;border-radius:22px}.lv-header-logo-mark{width:40px;height:40px}.lv-header-logo-title{font-size:1.25rem}.lv-header-nav{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;background:transparent;box-shadow:none;padding:0;flex-direction:row;align-items:center;gap:18px;max-width:none;margin:0}.lv-header-nav-list{flex-direction:row;align-items:center;gap:4px}.lv-header-nav-link{background:transparent;box-shadow:none;padding:8px 10px;border-radius:999px;color:var(--gray-600)}.lv-header-nav-link::after{display:none}.lv-header-nav-link:hover{background:rgba(234,248,238,0.8);box-shadow:none;transform:none}.lv-header-cta-wrapper{margin-top:0;margin-left:8px}.lv-header-cta{width:auto}.lv-header-note{margin-top:0}.lv-header-toggle{display:none}}@media (min-width:1024px){.lv-header-inner{padding:10px 24px}.lv-header-nav-list{gap:8px}.lv-header-nav-link{padding:8px 14px;font-size:var(--font-size-sm)}}