/* ═══════════════════════════════════════════ */
/* SHARED HEADER — extracted from index.html   */
/* All selectors scoped under .nav so the      */
/* old .nav-links / .hamburger rules in        */
/* style.css don't bleed into the new design.  */
/* ═══════════════════════════════════════════ */

.nav {
    --nav-paper: #ffffff;
    --nav-ink: #050316;
    --nav-ink-2: #2a2740;
    --nav-muted: #4b5563;
    --nav-muted-2: #7a7a8a;
    --nav-line: rgba(5, 3, 22, 0.08);
    --nav-primary: #22b5dd;
    --nav-primary-deep: #1995b8;
    --nav-primary-light: #ccf0fc;
    --nav-secondary: #4ec4e4;
    --nav-bg: rgba(251, 251, 254, 0.75);
    --nav-bg-mobile: rgba(251, 251, 254, 0.98);
    --nav-max: 1200px;
    --nav-font-display: "Newsreader", "Lora", Georgia, serif;
    --nav-font-body: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;

    /* Lock font + line-height locally so the banner renders identically
       regardless of which body font the host page uses (the landing page
       inherits Plus Jakarta Sans; every other page inherits Inter from
       style.css, which made the wrapper-span shrink and wrap before). */
    font-family: var(--nav-font-body);
    font-size: 16px;
    line-height: 1.4;
    color: var(--nav-ink);

    position: sticky;
    top: 0;
    z-index: 1001;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-line);
    box-shadow: none;
}

.nav .nav-inner {
    max-width: var(--nav-max);
    margin: 0 auto;
    padding: 14px 28px;
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 72px;
}

.nav .nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--nav-ink);
    /* Don't let .nav-logo shrink under flex pressure from nav-links/nav-tools.
       Without this, the parent <a> shrinks below its content and the wrapper
       <span> overflows into the nav-links area — creating a visible overlap
       between "BRUSSELS · EN · DE · FR" and the first nav link. */
    flex-shrink: 0;
}
.nav .nav-logo:hover { color: var(--nav-ink); }
.nav .nav-logo .mark {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--nav-secondary) 0%, var(--nav-primary) 60%, var(--nav-primary-deep) 100%);
    position: relative;
    flex-shrink: 0;
}
.nav .nav-logo .mark::after {
    content: "";
    position: absolute;
    inset: 7px;
    border-radius: 50%;
    background: var(--nav-paper);
    opacity: 0.85;
    mask: radial-gradient(circle at 50% 60%, transparent 0 35%, black 36%);
    -webkit-mask: radial-gradient(circle at 50% 60%, transparent 0 35%, black 36%);
}
.nav .nav-logo img {
    height: 56px;
    width: auto;
    display: block;
    flex-shrink: 0;
    object-fit: contain;
    transition: transform 0.25s ease;
}
.nav .nav-logo:hover img { transform: scale(1.04); }
.nav .nav-logo .name {
    font-family: var(--nav-font-display);
    font-size: 19px;
    letter-spacing: -0.01em;
    line-height: 1;
    white-space: nowrap;
}
.nav .nav-logo .name em {
    font-style: italic;
    color: var(--nav-primary-deep);
}
.nav .nav-logo .sub {
    font-size: 11px;
    color: var(--nav-muted-2);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 2px;
    white-space: nowrap;
}
/* The unstyled wrapper <span> around .name + .sub is a flex item of
   .nav-logo. Make it stack its children and never shrink below content
   so .name / .sub can never be squeezed into wrapping when other nav
   items (longer fonts, more nav links) compete for space. */
.nav .nav-logo > span {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    min-width: 0;
}

.nav .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.nav .nav-links a {
    text-decoration: none;
    color: var(--nav-ink-2);
    font-size: 14.5px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
    position: static;
}
.nav .nav-links a:hover {
    background: var(--nav-primary-light);
    color: var(--nav-primary-deep);
}
.nav .nav-links a.active {
    background: var(--nav-primary-light);
    color: var(--nav-primary-deep);
}
.nav .nav-links a::after { display: none; }

.nav .nav-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 8px;
    border-left: 1px solid var(--nav-line);
    margin-left: 4px;
    flex-shrink: 0;
}

.nav .lang-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border-radius: 999px;
    background: var(--nav-paper);
    border: 1px solid var(--nav-line);
}
.nav .lang-pill button {
    border: 0;
    background: transparent;
    padding: 4px 10px;
    font-weight: 500;
    font-size: 12px;
    color: var(--nav-muted);
    border-radius: 999px;
    letter-spacing: 0.04em;
    cursor: pointer;
    line-height: 1.2;
}
.nav .lang-pill button.active {
    background: var(--nav-ink);
    color: var(--nav-paper);
    font-weight: 600;
}

.nav .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: none;
    padding: 10px 18px;
}
.nav .btn-primary {
    background: var(--nav-primary);
    color: var(--nav-paper);
    border-color: var(--nav-primary);
}
.nav .btn-primary:hover {
    background: var(--nav-primary-deep);
    border-color: var(--nav-primary-deep);
    color: var(--nav-paper);
    transform: translateY(-1px);
}
.nav .btn .arrow {
    display: inline-block;
    transition: transform 0.25s ease;
}
.nav .btn:hover .arrow { transform: translateX(3px); }

.nav .hamburger {
    display: none;
    background: transparent;
    border: 0;
    padding: 10px;
    margin-left: auto;
    position: relative;
    z-index: 60;
    cursor: pointer;
    width: auto;
    height: auto;
    border-radius: 0;
    box-shadow: none;
}
.nav .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--nav-ink);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
    margin: 0;
}
.nav .hamburger span + span { margin-top: 5px; }
.nav .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav .mobile-extras { display: none; }

@media (max-width: 980px) {
    .nav .nav-inner {
        gap: 12px;
        padding: 14px 18px;
    }
    .nav .nav-logo .sub { display: none; }
    .nav .nav-tools { display: none; }
    .nav .hamburger { display: block; }
    .nav .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--nav-bg-mobile);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        padding: 24px 22px 32px;
        gap: 4px;
        transform: translateY(-110%);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 40;
        border-bottom: 1px solid var(--nav-line);
        margin-left: 0;
        overflow-y: auto;
    }
    .nav .nav-links[data-open="true"] { transform: translateY(0); }
    .nav .nav-links a {
        padding: 14px 16px;
        font-size: 16px;
    }
    .nav .mobile-extras {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 18px;
        padding-top: 18px;
        border-top: 1px solid var(--nav-line);
    }
    .nav .mobile-extras .lang-pill {
        align-self: flex-start;
        display: inline-flex;
    }
    .nav .mobile-extras .btn {
        justify-content: center;
        padding: 14px 24px;
        font-size: 15px;
    }
}

@media (max-width: 560px) {
    .nav .nav-inner { padding: 12px 16px; gap: 8px; }
}

/* Dark mode — main.js sets data-theme="dark" on <html> based on user pref. */
:root[data-theme="dark"] .nav {
    --nav-paper: #111128;
    --nav-ink: #eae9fc;
    --nav-ink-2: #cdcce0;
    --nav-muted: #9ca3af;
    --nav-muted-2: #6b7280;
    --nav-line: rgba(234, 233, 252, 0.10);
    --nav-primary: #1b91b1;
    --nav-primary-deep: #11728d;
    --nav-primary-light: rgba(34, 181, 221, 0.18);
    --nav-secondary: #1b91b1;
    --nav-bg: rgba(1, 1, 4, 0.78);
    --nav-bg-mobile: rgba(1, 1, 4, 0.97);
}