/* Floating navigation: Geist identity, existing Mohkam navy/petrol/cyan palette. */
:root { --header-clearance: 96px; }
.site-header {
    position: fixed;
    inset: 16px 0 auto;
    z-index: 100;
    background: transparent;
    border: 0;
    pointer-events: none;
    transition: top .2s ease;
    font-family: Geist, system-ui, Arial, sans-serif;
}
.site-header.is-scrolled { top: 0; }
.site-header .header-inner {
    width: min(1320px, calc(100% - 48px));
    min-height: 76px;
    padding: 10px 20px;
    gap: 20px;
    flex-wrap: nowrap;
    border: 1px solid #dbe4ea;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 28px #03152212;
    pointer-events: auto;
}
.site-header.is-scrolled .header-inner { border-top-left-radius: 0; border-top-right-radius: 0; }
.site-header .brand { gap: 10px; letter-spacing: normal; min-width: 0; }
.site-header .brand img { width: 44px; height: 44px; }
.site-header .nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 3px;
    width: auto;
    flex-wrap: nowrap;
    padding: 0;
    font: 500 13px/1.4 Geist, system-ui, Arial, sans-serif;
}
.site-header .nav-links > a,
.site-header .mega-menu > summary {
    min-height: var(--button-icon-size);
    padding: 10px 10px;
    border-radius: var(--button-radius);
    white-space: nowrap;
    text-decoration: none;
    transition: background .15s, color .15s;
}
.site-header .nav-links > a:hover,
.site-header .mega-menu > summary:hover { background: #edf5f8; color: var(--brand); }
.site-header .nav-links > a[aria-current="page"],
.site-header .mega-menu > summary[aria-current="page"],
.site-header .mega-menu[open] > summary { color: #fff; background: var(--brand); text-decoration: none; }
.site-header .mega-menu > summary { gap: 7px; }
.site-header .nav-chevron { width: 11px; height: 8px; }
.site-header .nav-links > .nav-cta {
    min-height: var(--button-icon-size);
    padding-inline: 14px;
    margin-left: 9px;
    background: #fff;
    border: 1px solid #cbd8e1;
    color: var(--ink) !important;
    font-weight: 600;
}
.site-header .nav-links > .nav-cta:hover { border-color: var(--brand); background: #edf5f8; }
.site-header .nav-links > .nav-cta[aria-current="page"] { background: var(--brand); color: #fff !important; }
.site-header .menu-toggle:not([hidden]) { display: none; }
.menu-toggle svg { stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.menu-close-icon { display: none; }
.menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
.menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }
.site-header .mega-panel {
    top: calc(100% + 8px);
    left: -1px;
    right: -1px;
    grid-template-columns: 1fr 2fr;
    max-height: min(620px, calc(100dvh - 120px));
    overflow-y: auto;
    border: 1px solid #dbe4ea;
    border-radius: 14px;
    box-shadow: 0 16px 40px #03152226;
}
.site-header .mega-intro { display: block; }
.site-header .mega-panel a { white-space: normal; }
.has-floating-header .hero { padding-top: calc(var(--header-clearance) + 65px); }
.has-page-header #main { padding-top: calc(var(--header-clearance) + 16px); }

@media (max-width: 1279px) {
    :root { --header-clearance: 88px; }
    .site-header { top: 8px; }
    .site-header .header-inner { width: calc(100% - 16px); min-height: 72px; padding: 10px 18px; justify-content: space-between; }
    .site-header .menu-toggle:not([hidden]) {
        display: grid;
        place-items: center;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        padding: 10px;
        border: 0;
        border-radius: var(--button-radius);
        background: transparent;
        color: var(--ink);
    }
    .site-header .menu-toggle:hover { background: #edf5f8; }
    .site-header .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        left: -1px;
        right: -1px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 4px;
        max-height: calc(100dvh - 104px);
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: 16px;
        border: 1px solid #294759;
        border-radius: 14px;
        background: #102c3e;
        color: #f2f7fa;
        box-shadow: 0 18px 44px #03152240;
        font-size: 15px;
        font-weight: 600;
    }
    .js .site-header .nav-links { display: none; }
    .js .site-header .nav-links.is-open { display: flex; }
    .site-header .nav-links > * { flex-shrink: 0; }
    .site-header .nav-links > a,
    .site-header .mega-menu > summary { min-height: 44px; padding: 12px 16px; border-radius: var(--button-radius); }
    .site-header .nav-links > a:hover,
    .site-header .mega-menu > summary:hover { background: #1d4053; color: #fff; }
    .site-header .nav-links > a[aria-current="page"],
    .site-header .mega-menu > summary[aria-current="page"],
    .site-header .mega-menu[open] > summary { background: var(--brand); color: #fff; }
    .site-header .mega-menu { width: 100%; }
    .site-header .mega-menu > summary { justify-content: space-between; position: relative; }
    .site-header .mega-menu > summary::after { content: ''; position: absolute; right: 47px; top: 11px; bottom: 11px; border-left: 1px solid #567184; }
    .site-header .nav-chevron { width: 12px; height: 10px; margin-left: 16px; }
    .site-header .mega-panel {
        position: static;
        display: block;
        max-height: none;
        padding: 4px 16px 14px;
        margin-top: 4px;
        border: 0;
        border-radius: 10px;
        background: #0b2232;
        box-shadow: none;
    }
    .site-header .mega-intro { display: none; }
    .site-header .mega-groups { grid-template-columns: 1fr; gap: 0; font: 500 14px/1.5 Geist, system-ui, Arial, sans-serif; }
    .site-header .mega-groups > a { min-height: 44px; padding: 11px 0; }
    .site-header .mega-groups > a:hover, .site-header .mega-bottom a:hover { color: var(--accent); }
    .site-header .mega-bottom { padding-top: 10px; border-color: #294759; }
    .site-header .mega-bottom a { display: flex; align-items: center; min-height: 44px; font-size: 13px; }
    .site-header .nav-links > .nav-cta { background: transparent; color: #f2f7fa !important; border: 0; margin: 0; padding: 12px 16px; font-weight: 600; }
    .site-header .nav-links > .nav-cta:hover { background: #1d4053; }
    .site-header .nav-links > .nav-cta[aria-current="page"] { background: var(--brand); }
    html:not(.js) .site-header { position: relative; top: 0; padding-top: 8px; }
    html:not(.js) .site-header .header-inner { flex-wrap: wrap; }
    html:not(.js) .site-header .nav-links { position: static; width: 100%; max-height: none; margin-top: 10px; }
    html:not(.js) .has-floating-header .hero { padding-top: 65px; }
    html:not(.js) .has-page-header #main { padding-top: 0; }
}
@media (max-width: 850px) { .has-floating-header .hero { padding-top: calc(var(--header-clearance) + 48px); } }
@media (max-width: 600px) {
    :root { --header-clearance: 80px; }
    .site-header { top: 4px; }
    .site-header .header-inner { width: calc(100% - 12px); min-height: 64px; padding: 9px 14px; gap: 8px; border-radius: 12px; }
    .site-header .brand { gap: 10px; }
    .site-header .brand img { width: 38px; height: 38px; }
    .site-header .brand-name { font-size: 17px; }
    .site-header .nav-links { max-height: calc(100dvh - 88px); }
    .has-floating-header .hero { padding-top: calc(var(--header-clearance) + 44px); }
}
@media (max-width: 360px) {
    .site-header .header-inner { padding-inline: 10px; }
    .site-header .brand { gap: 7px; }
    .site-header .brand img { width: 32px; height: 32px; }
    .site-header .brand-name { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
    .site-header, .site-header .nav-links > a, .site-header .mega-menu > summary { transition: none; }
}