:root {
    --karos-blue: #4F9DE9;
    --deep-slate: #1A365D;
    --soft-earth: #F9F7F5;
}

.karos-site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
}

.karos-site-header-wrap {
    position: sticky;
    top: 0;
    z-index: 1000;
}

.karos-announcement {
    display: block;
    background: var(--deep-slate);
    color: #fff;
    text-align: center;
    padding: 6px 16px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.09em;
    line-height: 1.25;
    text-decoration: none;
}

.karos-announcement:hover,
.karos-announcement:focus-visible {
    background: #102a4c;
}

.karos-header-inner {
    min-height: 68px;
    max-width: 1480px;
    margin: 0 auto;
    padding: 6px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.karos-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.karos-logo {
    height: 48px;
    width: auto;
}

.karos-affiliate {
    height: 34px;
    width: auto;
}

.karos-desktop-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    min-width: 0;
}

.karos-nav-link,
.karos-dropdown-trigger {
    color: var(--deep-slate);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.karos-nav-link:hover,
.karos-nav-link:focus-visible,
.karos-dropdown-trigger:hover,
.karos-dropdown-trigger:focus-visible {
    color: var(--karos-blue);
}

.karos-dropdown {
    position: relative;
}

.karos-dropdown-trigger {
    border: 0;
    background: transparent;
    padding: 12px 0;
    cursor: pointer;
}

.karos-dropdown-trigger::after {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-left: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-3px) rotate(45deg);
}

.karos-dropdown-panel {
    position: absolute;
    top: calc(100% - 1px);
    left: 50%;
    width: 580px;
    padding: 18px;
    border: 1px solid #dbe4ee;
    border-radius: 18px;
    background: #fff;
    transform: translate(-50%, 8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 120ms ease, transform 120ms ease, visibility 120ms;
}

.karos-dropdown-panel.resources {
    width: 300px;
}

.karos-dropdown.is-open .karos-dropdown-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.karos-dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.karos-dropdown-column {
    display: grid;
    align-content: start;
    gap: 4px;
}

.karos-dropdown-heading {
    margin: 0 0 5px;
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.karos-dropdown-item {
    display: block;
    border-radius: 12px;
    padding: 9px 10px;
    color: var(--deep-slate);
    text-decoration: none;
}

.karos-dropdown-item:hover,
.karos-dropdown-item:focus-visible {
    background: var(--soft-earth);
}

.karos-dropdown-item strong,
.karos-dropdown-item span {
    display: block;
}

.karos-dropdown-item strong {
    font-size: 14px;
}

.karos-dropdown-item span {
    margin-top: 2px;
    color: #64748b;
    font-size: 12px;
    line-height: 1.35;
}

.karos-consult-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 999px;
    background: var(--karos-blue);
    color: #fff !important;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.karos-consult-button:hover,
.karos-consult-button:focus-visible {
    background: var(--deep-slate);
}

.karos-mobile-button {
    display: none;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: #fff;
    color: var(--deep-slate);
    cursor: pointer;
}

.karos-mobile-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(15, 23, 42, 0.42);
    opacity: 0;
    visibility: hidden;
    transition: opacity 160ms ease, visibility 160ms;
}

.karos-mobile-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.karos-mobile-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1200;
    width: min(92vw, 390px);
    height: 100dvh;
    overflow-y: auto;
    background: #fff;
    padding: 18px;
    transform: translateX(100%);
    transition: transform 180ms ease;
}

.karos-mobile-backdrop.is-open .karos-mobile-panel {
    transform: translateX(0);
}

.karos-mobile-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.karos-mobile-close {
    width: 44px;
    height: 44px;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: #fff;
    color: var(--deep-slate);
    font-size: 22px;
    cursor: pointer;
}

.karos-mobile-nav {
    display: grid;
    gap: 4px;
}

.karos-mobile-nav > a,
.karos-mobile-nav summary {
    min-height: 48px;
    border-radius: 12px;
    padding: 12px;
    color: var(--deep-slate);
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.karos-mobile-nav > a:hover,
.karos-mobile-nav summary:hover {
    background: var(--soft-earth);
}

.karos-mobile-nav details {
    border-bottom: 1px solid #eef2f7;
}

.karos-mobile-nav details summary {
    list-style: none;
}

.karos-mobile-nav details summary::-webkit-details-marker {
    display: none;
}

.karos-mobile-nav details summary::after {
    content: "+";
    float: right;
    color: var(--karos-blue);
    font-size: 20px;
}

.karos-mobile-nav details[open] summary::after {
    content: "-";
}

.karos-mobile-submenu {
    display: grid;
    gap: 2px;
    padding: 0 0 10px 10px;
}

.karos-mobile-submenu a {
    display: block;
    border-radius: 10px;
    padding: 10px;
    color: var(--deep-slate);
    font-size: 14px;
    text-decoration: none;
}

.karos-mobile-submenu a:hover,
.karos-mobile-submenu a:focus-visible {
    background: var(--soft-earth);
    color: var(--karos-blue);
}

.karos-mobile-nav .karos-consult-button {
    margin-top: 12px;
}

.karos-fgi-secondary {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--deep-slate);
    border-radius: 999px;
    padding: 10px 18px;
    color: var(--deep-slate);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}

.karos-fgi-secondary:hover,
.karos-fgi-secondary:focus-visible {
    background: var(--soft-earth);
    color: var(--deep-slate);
}

.karos-footer-fgi {
    margin-top: 12px;
}

.karos-footer-fgi a {
    color: var(--deep-slate);
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.karos-fallback-footer {
    min-height: 64px;
    border-top: 1px solid #e2e8f0;
    background: #fff;
    padding: 18px 24px;
}

:focus-visible {
    outline: 3px solid var(--deep-slate);
    outline-offset: 3px;
}

@media (max-width: 1280px) {
    .karos-desktop-nav {
        display: none;
    }

    .karos-mobile-button {
        display: inline-flex;
    }

    .karos-affiliate {
        height: 38px;
    }
}

@media (max-width: 520px) {
    .karos-header-inner {
        min-height: 72px;
        padding: 6px 14px;
    }

    .karos-logo {
        height: 46px;
    }

    .karos-affiliate {
        height: 32px;
    }

    .karos-brand {
        gap: 8px;
    }

    .karos-announcement {
        padding-inline: 8px;
        font-size: 10px;
        line-height: 1.3;
        letter-spacing: 0.04em;
    }
}

@media (prefers-reduced-motion: reduce) {
    .karos-dropdown-panel,
    .karos-mobile-backdrop,
    .karos-mobile-panel {
        transition: none;
    }
}