/*# sourceMappingURL=headerDS.css.map */      header {
            position: sticky;
            top: 0;
            z-index: 40;
            background:  rgb(255, 255, 255);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }

        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--sp-2);
            padding: var(--sp-2) 0;
            min-height: 64px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: var(--sp-2);
            font-weight: 800;
            font-size: var(--fs-md);
            color: var(--primary-800);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: var(--r-sm);
            background: var(--primary-600);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-on-dark);
            font-weight: 900;
            font-size: var(--fs-xs);
            flex-shrink: 0;
        }

        .nav-links {
            display: none;
            gap: clamp(1rem, 2vw, 1.8rem);
            font-weight: 600;
            font-size: var(--fs-sm);
            color: var(--text-secondary);
            white-space: nowrap;
        }

        @media (min-width: 900px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--primary-600);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--sp-2);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent-500);
            color: #fff;
            font-weight: 700;
            font-size: var(--fs-xs);
            padding: 0.6rem 1rem;
            min-height: var(--touch);
            border-radius: var(--r-pill);
            box-shadow: var(--shadow-accent);
            transition: transform var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-600);
            transform: translateY(-1px);
        }

        .mobile-menu {
            display: block;
        }
        @media (min-width: 900px) {
            .mobile-menu {
                display: none;
            }
        }
        .mobile-menu summary {
            list-style: none;
            cursor: pointer;
            width: var(--touch);
            height: var(--touch);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--r-sm);
            background: var(--primary-50);
            color: var(--primary-700);
            font-size: 1.2rem;
        }
        .mobile-menu summary::-webkit-details-marker {
            display: none;
        }
        .mobile-menu[open] summary {
            background: var(--primary-100);
        }
        .mobile-panel {
            position: absolute;
            inset-inline: 0;
            top: 100%;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: var(--sp-3);
            display: flex;
            flex-direction: column;
            gap: var(--sp-2);
        }
        .mobile-panel a {
            font-weight: 700;
            font-size: var(--fs-sm);
            padding: 0.7rem 0.4rem;
            min-height: var(--touch);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-soft);
        }