.navbar-surface {
        background: linear-gradient(180deg, var(--palette-navy, #0f1626) 0%, var(--palette-ink, #00040d) 100%);
    }
    .navbar-initial { transform: translateY(-100%); }
    .navbar-initial.navbar-loaded { transform: translateY(0); }
    .nav-item {
        opacity: 0;
        transform: translateY(-8px);
        transition: opacity 0.45s ease, transform 0.45s ease;
        transition-delay: var(--nav-delay, 0s);
    }
    .navbar-loaded .nav-item { opacity: 1; transform: translateY(0); }

    .navbar-desktop-nav > ul {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-end;
        list-style: none;
        margin: 0;
        padding: 0;
        column-gap: clamp(1rem, 2vw, 1.75rem);
        row-gap: 0.5rem;
    }
    @media (min-width: 1280px) {
        .navbar-desktop-nav > ul {
            column-gap: 2rem;
        }
    }
    .navbar-desktop-cta-li {
        margin-left: 0.25rem;
        padding-left: clamp(0.5rem, 1.5vw, 1rem);
        border-left: 1px solid rgba(255, 255, 255, 0.15);
    }

    .navbar-link {
        display: inline-block;
        font-family: ui-sans-serif, system-ui, sans-serif;
        font-size: 0.9375rem;
        font-weight: 300;
        letter-spacing: 0.01em;
        color: rgba(255, 255, 255, 0.92);
        white-space: nowrap;
        padding: 0.35rem 0;
        border-bottom: 1px solid transparent;
        transition: color 0.2s ease, border-color 0.2s ease;
    }
    @media (min-width: 1280px) {
        .navbar-link { font-size: 1rem; }
    }
    .navbar-link:hover {
        color: var(--palette-mist, #e9ecf2);
        border-bottom-color: rgba(121, 127, 140, 0.55);
    }

    .navbar-has-dropdown {
        position: relative;
    }
    .navbar-dropdown-trigger {
        display: inline-flex;
        align-items: center;
        gap: 0.15rem;
        font-family: ui-sans-serif, system-ui, sans-serif;
        font-size: 0.9375rem;
        font-weight: 300;
        letter-spacing: 0.01em;
        color: rgba(255, 255, 255, 0.92);
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.35rem 0;
        border-bottom: 1px solid transparent;
        transition: color 0.2s ease, border-color 0.2s ease;
    }
    @media (min-width: 1280px) {
        .navbar-dropdown-trigger { font-size: 1rem; }
    }
    .navbar-dropdown-trigger:hover,
    .navbar-has-dropdown:focus-within .navbar-dropdown-trigger {
        color: var(--palette-mist, #e9ecf2);
        border-bottom-color: rgba(121, 127, 140, 0.55);
    }
    .navbar-dropdown-chevron {
        flex-shrink: 0;
        opacity: 0.88;
    }
    .navbar-dropdown-panel {
        position: absolute;
        left: 0;
        top: calc(100% + 0.35rem);
        min-width: 14rem;
        margin: 0;
        padding: 0.35rem 0;
        list-style: none;
        background: linear-gradient(180deg, rgba(22, 30, 48, 0.98) 0%, rgba(12, 18, 32, 0.99) 100%);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 0.5rem;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
        z-index: 80;
    }
    .navbar-has-dropdown:hover:not(.navbar-dropdown--suppress-hover) .navbar-dropdown-panel,
    .navbar-has-dropdown:focus-within .navbar-dropdown-panel {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .navbar-dropdown-link {
        display: block;
        padding: 0.55rem 1rem;
        font-size: 0.9375rem;
        font-weight: 300;
        color: rgba(255, 255, 255, 0.92);
        transition: background-color 0.15s ease, color 0.15s ease;
    }
    .navbar-dropdown-link:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }

    .navbar-mobile-dropdown-trigger {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
        width: 100%;
        min-height: 3.25rem;
        padding: 0.5rem 1rem;
        font-family: ui-sans-serif, system-ui, sans-serif;
        font-size: 1.0625rem;
        font-weight: 300;
        line-height: 1.4;
        color: rgba(255, 255, 255, 0.95);
        background: none;
        border: none;
        cursor: pointer;
        text-align: left;
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    .navbar-mobile-dropdown-trigger:hover {
        color: #e8e2d8;
        background-color: rgba(255, 255, 255, 0.06);
    }
    .navbar-mobile-dropdown-chevron {
        flex-shrink: 0;
        opacity: 0.88;
        transition: transform 0.2s ease;
    }
    .navbar-mobile-dropdown-trigger[aria-expanded="true"] .navbar-mobile-dropdown-chevron {
        transform: rotate(180deg);
    }
    .navbar-mobile-dropdown-panel {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(0, 0, 0, 0.12);
    }
    .navbar-mobile-dropdown-panel[hidden] {
        display: none !important;
    }
    .navbar-mobile-sublist {
        list-style: none;
        margin: 0;
        padding: 0 0 0.25rem;
    }
    .navbar-mobile-sublink {
        display: flex;
        align-items: center;
        min-height: 2.85rem;
        padding: 0.4rem 1rem 0.4rem 1.5rem;
        font-family: ui-sans-serif, system-ui, sans-serif;
        font-size: 1.0625rem;
        font-weight: 300;
        line-height: 1.4;
        color: rgba(255, 255, 255, 0.95);
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    .navbar-mobile-sublist li:first-child .navbar-mobile-sublink {
        border-top: none;
    }
    .navbar-mobile-sublink:hover {
        color: #e8e2d8;
        background-color: rgba(255, 255, 255, 0.06);
    }

    .navbar-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 0.375rem;
        padding: 0.5rem 1.1rem;
        font-size: 0.875rem;
        font-weight: 600;
        letter-spacing: 0.02em;
        color: #fff;
        background-color: var(--brand-primary, #222f40);
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .navbar-cta:hover {
        background-color: var(--brand-primary-hover, #343e52);
        border-color: rgba(255, 255, 255, 0.2);
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    }
    .navbar-cta--block {
        width: 100%;
        padding-top: 0.875rem;
        padding-bottom: 0.875rem;
        font-size: 1rem;
    }

    /* Colado ao fundo da barra (sem vão); altura mínima = resto do ecrã (--navbar-mobile-offset = getBoundingClientRect().bottom) */
    .navbar-mobile-panel {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        z-index: 70;
        box-sizing: border-box;
        min-height: calc(100dvh - var(--navbar-mobile-offset, 5.5rem));
        max-height: calc(100dvh - var(--navbar-mobile-offset, 5.5rem));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        background: linear-gradient(180deg, var(--palette-navy, #0f1626) 0%, var(--palette-ink, #00040d) 100%);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    }
    .navbar-mobile-panel-inner {
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        min-height: 100%;
        width: 100%;
        max-width: 72rem;
        margin-left: auto;
        margin-right: auto;
        padding: 0.75rem 1.5rem max(1.25rem, env(safe-area-inset-bottom, 0px));
    }
    @media (min-width: 1024px) {
        .navbar-mobile-panel-inner {
            padding-left: 2rem;
            padding-right: 2rem;
        }
    }
    .navbar-mobile-list {
        list-style: none;
        margin: 0;
        padding: 0;
        border-radius: 0.5rem;
        border: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.03);
        overflow: hidden;
    }
    .navbar-mobile-list > li + li {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .navbar-mobile-link {
        display: flex;
        align-items: center;
        min-height: 3.25rem;
        padding: 0.5rem 1rem;
        font-family: ui-sans-serif, system-ui, sans-serif;
        font-size: 1.0625rem;
        font-weight: 300;
        line-height: 1.4;
        color: rgba(255, 255, 255, 0.95);
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    .navbar-mobile-link:hover {
        color: #e8e2d8;
        background-color: rgba(255, 255, 255, 0.06);
    }
    .navbar-mobile-cta-wrap {
        margin-top: 1rem;
        flex-shrink: 0;
        padding-bottom: 0.25rem;
    }

    @media (prefers-reduced-motion: reduce) {
        .navbar-initial, .nav-item { opacity: 1; transform: none; transition: none; }
        .navbar-mobile-dropdown-chevron { transition: none; }
    }