/* Navigation commune pour toutes les pages */
:root {
    --nav-height: 72px;
    --accent: #0056b3;
}

/* Fond global */
body {
    background: #f4f4f4;
    color: #333;
}

nav {
    background: #1f1f1f;
    color: #fff;
    position: fixed;
    inset: 0 0 auto 0;
    height: var(--nav-height);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 clamp(18px, 4vw, 40px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: clamp(8px, 2vw, 18px);
}

nav ul li a {
    display: block;
    color: inherit;
    text-decoration: none;
    padding: 10px 18px;
    font-size: 1.05rem;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}

nav ul li a.active,
nav ul li a:hover {
    background-color: var(--accent);
    color: #fff;
}

.lang-switcher {
    position: absolute;
    right: clamp(18px, 4vw, 40px);
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-switcher button {
    background-color: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.lang-switcher button:hover {
    background-color: rgba(0, 86, 179, 0.4);
}

.lang-switcher button.active {
    background-color: var(--accent);
}

.lang-switcher button.active:hover {
    background-color: var(--accent);
}

.lang-switcher button:focus-visible {
    outline: 2px solid #FFD700;
    outline-offset: 2px;
}

.lang-switcher button img {
    display: block;
    width: 28px;
    height: auto;
}

/* Footer */
footer.site-footer {
    background: #000;
    color: #fff;
    margin-top: 40px;
    padding: 12px clamp(18px, 4vw, 40px);
}

.site-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
}

.site-footer__side {
    flex: 0 0 min(260px, 28vw);
    display: flex;
    align-items: center;
}

.site-footer__side--left { justify-content: flex-start; }
.site-footer__side--right { justify-content: flex-end; }

.site-footer__logo {
    display: block;
    width: auto;
    max-height: 56px;
    object-fit: contain;
}

.site-footer__copy {
    flex: 1;
    margin: 0;
    text-align: center;
    font-size: 0.95rem;
    line-height: 1.3;
}

@media (max-width: 720px) {
    .site-footer__inner {
        flex-direction: column;
        gap: 12px;
    }
    .site-footer__side {
        flex: none;
        width: 100%;
        justify-content: center;
    }
}

/* Tablettes */
@media (max-width: 1040px) {
    :root { --nav-height: 64px; }
    nav { padding: 0 18px; }
    nav ul { gap: 10px; }
    nav ul li a { padding: 8px 14px; font-size: 0.95rem; }
    .lang-switcher { gap: 8px; }
    .lang-switcher button { width: 38px; height: 38px; }
    .lang-switcher button img { width: 22px; }
}

@media (max-width: 880px) {
    :root { --nav-height: 60px; }
    nav { padding: 0 14px; }
    nav ul { gap: 8px; }
    nav ul li a { padding: 7px 12px; font-size: 0.9rem; }
    .lang-switcher { gap: 6px; }
    .lang-switcher button { width: 34px; height: 34px; }
    .lang-switcher button img { width: 20px; }
}

/* Mobile */
@media (max-width: 768px) {
    :root { --nav-height: 52px; }
    nav { height: var(--nav-height); padding: 0 8px 0 8px; }
    nav ul { gap: 4px; margin-right: 70px; }
    nav ul li a { padding: 4px 6px; font-size: 0.75rem; }
    .lang-switcher { gap: 3px; }
    .lang-switcher button { width: 26px; height: 26px; }
    .lang-switcher button img { width: 16px; }
}