/* ── NAV ── */
        #nav {
            position: fixed; top: 0; left: 0; width: 100%;
            z-index: 500;
            padding: 18px 20px;
            display: flex; justify-content: space-between; align-items: center;
            transition: padding 0.4s ease, background 0.4s ease, backdrop-filter 0.4s ease;
        }
        @media (min-width: 768px) { #nav { padding: 28px 48px; } }
        #nav.scrolled {
            padding: 12px 20px;
            background: rgba(8,9,64,0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
        }
        @media (min-width: 768px) { #nav.scrolled { padding: 14px 48px; } }
        #nav-logo {
            background: white; padding: 5px 12px 4px;
            display: inline-block; text-decoration: none;
            -webkit-tap-highlight-color: transparent;
        }
        #nav-logo img { height: 34px; width: auto; filter: none; display: block; }
        @media (min-width: 768px) {
            #nav-logo { padding: 6px 14px 5px; }
            #nav-logo img { height: 44px; }
        }

        /* Desktop links */
        #nav-links {
            display: none;
            gap: 36px; list-style: none; margin: 0; padding: 0;
        }
        @media (min-width: 768px) { #nav-links { display: flex; } }
        #nav-links a {
            font-family: 'Cormorant Garamond', serif;
            font-size: 11px; letter-spacing: 0.22em;
            color: rgba(255,255,255,0.65);
            text-decoration: none; text-transform: uppercase;
            transition: color 0.25s;
        }
        #nav-links a:hover { color: var(--gold); }

        /* Hamburger button */
        #nav-toggle {
            display: flex; flex-direction: column;
            justify-content: center; align-items: center;
            gap: 5px; width: 40px; height: 40px;
            cursor: pointer; background: none; border: none;
            padding: 8px; -webkit-tap-highlight-color: transparent;
        }
        @media (min-width: 768px) { #nav-toggle { display: none; } }
        #nav-toggle span {
            display: block; width: 22px; height: 1px;
            background: white;
            transition: transform 0.35s ease, opacity 0.25s ease;
            transform-origin: center;
        }
        #nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
        #nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
        #nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

        /* Mobile full-screen menu */
        #mobile-menu {
            position: fixed; inset: 0; z-index: 9000;
            background: var(--blue-dark);
            display: flex; flex-direction: column;
            align-items: center; justify-content: center;
            transform: translateX(100%);
            transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
            padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
        }
        #mobile-menu.open { transform: translateX(0); }
        #mobile-menu-logo {
            position: absolute; top: 20px; left: 20px;
            background: white; padding: 10px 18px;
        }
        #mobile-menu-logo img { height: 28px; width: auto; display: block; }
        #mobile-menu-close {
            position: absolute; top: 16px; right: 16px;
            width: 44px; height: 44px;
            display: flex; align-items: center; justify-content: center;
            background: none; border: none; cursor: pointer;
            color: rgba(255,255,255,0.5);
            font-family: 'Cormorant Garamond', serif;
            font-size: 20px; letter-spacing: 0.1em;
            -webkit-tap-highlight-color: transparent;
            transition: color 0.2s;
        }
        #mobile-menu-close:hover { color: var(--gold); }
        #mobile-menu ul {
            list-style: none; margin: 0; padding: 0;
            text-align: center;
        }
        #mobile-menu ul li { overflow: hidden; margin-bottom: 4px; }
        #mobile-menu ul li a {
            font-family: 'Cormorant Garamond', serif;
            font-size: clamp(36px, 9vw, 52px);
            font-weight: 300; color: white;
            text-decoration: none; text-transform: uppercase;
            letter-spacing: 0.1em; line-height: 1.3;
            display: block; padding: 8px 20px;
            transition: color 0.25s;
        }
        #mobile-menu ul li a:hover { color: var(--gold); }
        #mobile-menu-sub {
            position: absolute; bottom: 48px;
            font-family: 'Cormorant Garamond', serif;
            font-size: 10px; letter-spacing: 0.4em;
            color: rgba(255,255,255,0.2); text-transform: uppercase;
        }