header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 239, 230, 0.90);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.navbar {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--green);
    font-weight: 800;
    font-size: 19px;
    letter-spacing: -0.3px;
    flex-shrink: 0;
}

.logo-mark,
.logo-svg {
    width: 54px;
    height: 54px;
    display: block;
    flex-shrink: 0;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

.desktop-nav a {
    transition: color 0.15s ease;
}

.desktop-nav a:hover { color: var(--green); }

.lang-switch {
    display: flex;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px;
}

.lang-switch button {
    border: 0;
    background: transparent;
    padding: 7px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 700;
    font-size: 13px;
    color: var(--muted);
    transition: background 0.18s ease, color 0.18s ease;
}

.lang-switch button.active {
    background: var(--green);
    color: white;
}

footer {
    padding: 52px 0;
    color: var(--muted);
    font-size: 14px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-grid b { color: var(--graphite); }

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links a {
    transition: color 0.15s ease;
}

.footer-links a:hover { color: var(--green); }

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

@media (max-width: 1100px) {
    .desktop-nav { display: none; }
}

@media (max-width: 820px) {
    .navbar { min-height: 68px; }

    .logo { font-size: 16px; }

    .logo-mark,
    .logo-svg {
        width: 46px;
        height: 46px;
    }

    footer { padding: 40px 0 100px; }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 120;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--border);
        box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.07);
    }

    .mobile-bottom-nav a {
        padding: 10px 6px 12px;
        display: grid;
        gap: 3px;
        place-items: center;
        color: var(--green);
        font-size: 10.5px;
        font-weight: 700;
        letter-spacing: 0.2px;
        transition: opacity 0.15s ease;
    }

    .mobile-bottom-nav a:active { opacity: 0.6; }

    .mobile-bottom-nav span { font-size: 20px; }
}