/* ==================================================
           HEADER / NAVBAR
        ================================================== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 1.2rem 0;
            transition: var(--transition);
            background: transparent;
        }

        .header.scrolled {
            background: var(--color-white);
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.06);
            padding: 0.8rem 0;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo-img {
            height: 48px;
            width: auto;
            transition: var(--transition);
            /* drop-shadow (no box-shadow) porque el PNG tiene fondo transparente
               y necesita legibilidad encima de fotos claras en el hero sin scroll */
            filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.35));
        }
        .header.scrolled .logo-img {
            height: 40px;
        }
        .logo span {
            color: var(--color-gold);
        }
        .header.scrolled .logo {
            color: var(--color-primary);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 2.5rem;
        }

        .nav a {
            font-size: 0.8rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
            position: relative;
        }
        .nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--color-gold);
            transition: var(--transition);
        }
        .nav a:hover::after {
            width: 100%;
        }
        .nav a:hover {
            color: var(--color-white);
        }

        .header.scrolled .nav a {
            color: var(--color-dark);
        }
        .header.scrolled .nav a:hover {
            color: var(--color-primary);
        }

        .nav .btn-nav {
            background: var(--color-gold);
            color: var(--color-white);
            padding: 0.6rem 1.6rem;
            border-radius: 0;
            font-weight: 600;
            font-size: 0.75rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            border: none;
            transition: var(--transition);
            cursor: pointer;
        }
        .nav .btn-nav:hover {
            background: #c4850e;
            transform: translateY(-2px);
        }

        /* Hamburguesa */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 0.3rem;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--color-white);
            transition: var(--transition);
            transform-origin: center;
        }
        .header.scrolled .hamburger span {
            background: var(--color-dark);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Menú móvil fullscreen */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--color-primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            z-index: 999;
            transform: translateY(-100%);
            transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
            padding: 2rem;
        }
        .mobile-menu.open {
            transform: translateY(0);
        }
        .mobile-menu a {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            color: var(--color-white);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--color-gold);
        }
        .mobile-menu .btn-nav {
            margin-top: 1rem;
        }
        /* ==================================================
           FOOTER
        ================================================== */
        .footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand .logo {
            color: var(--color-white);
            margin-bottom: 0.5rem;
        }
        .footer-brand p {
            font-weight: 300;
            font-size: 0.95rem;
            max-width: 280px;
        }
        .footer-brand .tagline {
            color: var(--color-gold);
            font-size: 0.8rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-top: 0.5rem;
        }

        .footer-links h5 {
            color: var(--color-white);
            font-family: var(--font-serif);
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .footer-links a {
            display: block;
            font-size: 0.9rem;
            font-weight: 300;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-gold);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 1.2rem;
            margin-top: 1rem;
        }
        .footer-social a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            color: var(--color-gold);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            text-align: center;
            font-size: 0.8rem;
            font-weight: 300;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ==================================================
           BOTON FLOTANTE DE WHATSAPP
           (paleta propia del sitio: dorado + navy, no el verde
           generico de WhatsApp, para que combine con la marca)
        ================================================== */
        .whatsapp-float {
            position: fixed;
            bottom: 1.8rem;
            right: 1.8rem;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-gold);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            box-shadow: 0 8px 24px rgba(6, 59, 99, 0.35);
            z-index: 1002;
            transition: var(--transition);
        }
        .whatsapp-float:hover {
            background: var(--color-primary);
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 12px 28px rgba(6, 59, 99, 0.45);
        }
        .whatsapp-float::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 50%;
            border: 2px solid var(--color-gold);
            opacity: 0.6;
            animation: whatsappPulse 2.4s ease-out infinite;
            pointer-events: none;
        }
        @keyframes whatsappPulse {
            0% {
                transform: scale(1);
                opacity: 0.6;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }
        @media (max-width: 480px) {
            .whatsapp-float {
                width: 52px;
                height: 52px;
                font-size: 1.5rem;
                bottom: 1.2rem;
                right: 1.2rem;
            }
        }