
        /* ══════════════════════════════════════════════════
           CSS VARIABLES
           ══════════════════════════════════════════════════ */
        :root {
            --navy: #0E3B83;
            --navy-mid: #0A2F6B;
            --navy-deep: #071C40;
            --gold: #F6C119;
            --gold-warm: #D9A814;
            --white: #FFFFFF;
            --off-white: #FAFAF7;
            --text-dark: #1A1A1A;
            --glass-bg: rgba(255, 255, 255, 0.88);
            --glass-border: rgba(14, 59, 131, 0.06);
            --title-color: #1A1A1A;
            --wave-fill-1: #FAFAF7;
            --wave-fill-2: #FFFFFF;
            --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
            --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-display: 'Playfair Display', serif;
            --font-body: 'DM Sans', sans-serif;
        }

        /* ══════════════════════════════════════════════════
           GLOBAL RESET & BASE
           ══════════════════════════════════════════════════ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            color: var(--text-dark);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        ::selection {
            background: var(--gold);
            color: var(--text-dark);
        }

        /* ══════════════════════════════════════════════════
           NAVBAR — Always Navy (no transparent state)
           ══════════════════════════════════════════════════ */
        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 0 clamp(1.25rem, 4vw, 3rem);
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all 0.4s var(--transition-smooth);
            background: var(--navy);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
            border-bottom: 1px solid rgba(246, 193, 25, 0.15);
        }

        .nav-logo {
            height: 50px;
            transition: transform 0.3s;
            filter: brightness(0) invert(1);
        }

        .nav-logo:hover {
            transform: scale(1.06);
        }

        .nav-links {
            display: flex;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            align-items: center;
        }

        .nav-link {
            font-family: var(--font-body);
            font-size: 0.68rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.18em;
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            position: relative;
            padding: 4px 0;
            transition: color 0.3s;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--gold);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 1px;
            transition: width 0.35s var(--transition-smooth), left 0.35s var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }

        /* Nav socials */
        .nav-socials {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .nav-social {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.3s;
            text-decoration: none;
        }

        .nav-social:hover {
            color: var(--navy);
            background: var(--gold);
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        /* Cart button */
        .nav-cart-btn {
            position: relative;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.85);
            transition: all 0.3s;
            cursor: pointer;
        }

        .nav-cart-btn:hover {
            background: var(--gold);
            color: var(--navy);
            border-color: var(--gold);
        }

        .nav-cart-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            min-width: 18px;
            height: 18px;
            border-radius: 9px;
            background: var(--gold);
            color: var(--navy);
            font-family: var(--font-body);
            font-weight: 800;
            font-size: 0.58rem;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 5px;
            box-shadow: 0 2px 8px rgba(246, 193, 25, 0.3);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 200;
            padding: 8px;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: #FFFFFF;
            transition: all 0.3s var(--transition-smooth);
            border-radius: 2px;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: translateX(-10px);
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 140;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s;
            backdrop-filter: blur(8px);
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 150;
            background: rgba(10, 10, 46, 0.95);
            /* Deep navy transparent */
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            width: 85%;
            max-width: 350px;
            left: auto;
            right: 0;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            padding: 100px 20px 40px 20px;
            gap: 0.5rem;
            opacity: 0;
            pointer-events: none;
            box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        }

        .mobile-menu.open {
            transform: translateX(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu a.mobile-menu-link {
            font-family: var(--font-body);
            font-size: 1.15rem;
            color: white;
            text-decoration: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all 0.2s ease;
            position: relative;
            font-weight: 500;
            opacity: 0;
            transform: translateX(20px);
            border-radius: 12px;
        }

        .mobile-menu.open a.mobile-menu-link {
            opacity: 1;
            transform: translateX(0);
        }

        .mobile-menu.open a.mobile-menu-link:nth-of-type(1) {
            transition-delay: 0.05s;
        }

        .mobile-menu.open a.mobile-menu-link:nth-of-type(2) {
            transition-delay: 0.1s;
        }

        .mobile-menu.open a.mobile-menu-link:nth-of-type(3) {
            transition-delay: 0.15s;
        }

        .mobile-menu.open a.mobile-menu-link:nth-of-type(4) {
            transition-delay: 0.2s;
        }

        .mobile-menu.open a.mobile-menu-link:nth-of-type(5) {
            transition-delay: 0.25s;
        }

        .mobile-menu a.mobile-menu-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--gold);
        }

        .mobile-menu-link svg {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

        .mobile-menu-link:hover svg {
            color: var(--gold);
        }

        .mobile-social-container {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: auto;
            z-index: 10;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1) 0.4s;
        }

        .mobile-menu.open .mobile-social-container {
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-social-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: white;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .mobile-social-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            color: white;
        }

        .mobile-social-btn.social-ig:hover {
            background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
            border-color: transparent;
        }

        .mobile-social-btn.social-fb:hover {
            background: #1877F2;
            border-color: transparent;
        }

        .mobile-social-btn.social-wa:hover {
            background: #25D366;
            border-color: transparent;
        }

        @media (max-width: 768px) {

            .nav-links,
            .nav-socials {
                display: none;
            }

            .hamburger {
                display: flex;
            }
        }

        /* ══════════════════════════════════════════════════
           PAGE HERO (Compact)
           ══════════════════════════════════════════════════ */
        .page-hero {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #0E3B83 0%, #1A1A1A 50%, #0E3B83 100%);
            background-size: 400% 400%;
            animation: elegantGradient 20s ease infinite;
            padding: 140px 2rem 70px;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(246, 193, 25, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(14, 59, 131, 0.1) 0%, transparent 60%);
        }

        @keyframes elegantGradient {
            0% {
                background-position: 0% 50%;
            }

            25% {
                background-position: 50% 25%;
            }

            50% {
                background-position: 100% 50%;
            }

            75% {
                background-position: 50% 75%;
            }

            100% {
                background-position: 0% 50%;
            }
        }

        /* ══════════════════════════════════════════════════
           CATALOG WRAPPER
           ══════════════════════════════════════════════════ */
        .catalog-wrapper {
            background: var(--off-white);
            padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 5vw, 4rem);
        }

        /* ══════════════════════════════════════════════════
           PRESERVED CLASSES — app.js compatibility
           ══════════════════════════════════════════════════ */
        .glass-card {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .lens-tab {
            text-align: left;
            padding: 12px 16px;
            border-radius: 0.5rem;
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: #64748B;
            transition: all 0.2s ease;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            font-family: var(--font-body);
        }

        .lens-tab:hover {
            background: #F8FAFC;
            color: #0E3B83;
            padding-left: 20px;
        }

        .lens-tab.active-tab {
            background: #0E3B83;
            color: white;
            box-shadow: 0 4px 12px rgba(14, 59, 131, 0.15);
        }

        #lensPanel.is-open {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .ambient-search-active #collectionTitle {
            opacity: 0;
            transform: scale(0.95) translateY(-5px);
            pointer-events: none;
        }

        .ambient-search-active #ambientSearchInput {
            opacity: 1;
            pointer-events: auto;
        }

        .glass-aperture {
            background: linear-gradient(135deg, rgba(14, 59, 131, 0.95) 0%, rgba(10, 41, 92, 0.98) 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        /* ══════════════════════════════════════════════════
           FOOTER
           ══════════════════════════════════════════════════ */
        .main-footer {
            background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
            padding: 3.5rem clamp(1rem, 5vw, 4rem) 2rem;
            color: white;
            position: relative;
        }

        .main-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            opacity: 0.4;
        }

        .footer-top {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            margin-bottom: 2rem;
        }

        .footer-logo {
            height: 100px;
            filter: brightness(0) saturate(100%) invert(88%) sepia(35%) saturate(1666%) hue-rotate(346deg) brightness(101%) contrast(104%) drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
            margin-bottom: 1.25rem;
            transition: transform 0.5s var(--transition-smooth), filter 0.3s;
        }

        .footer-logo:hover {
            transform: scale(1.06);
            filter: brightness(0) saturate(100%) invert(88%) sepia(35%) saturate(1666%) hue-rotate(346deg) brightness(120%) contrast(104%) drop-shadow(0 5px 20px rgba(245, 216, 0, 0.4));
        }

        .footer-slogan {
            font-size: 0.62rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.25em;
            color: var(--gold);
            opacity: 0.8;
        }

        .footer-mid {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.75rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 2rem 0;
            margin-bottom: 2rem;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .footer-nav {
            display: flex;
            gap: 2.5rem;
        }

        .footer-nav a {
            font-size: 0.68rem;
            color: rgba(255, 255, 255, 0.4);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            font-weight: 600;
            transition: color 0.3s;
            position: relative;
        }

        .footer-nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            width: 0;
            height: 1.5px;
            background: var(--gold);
            transition: width 0.35s var(--transition-smooth), left 0.35s var(--transition-smooth);
        }

        .footer-nav a:hover {
            color: var(--gold);
        }

        .footer-nav a:hover::after {
            width: 100%;
            left: 0;
        }

        .footer-socials {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social-btn {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: white;
            transition: all 0.3s;
        }

        .footer-social-btn.ig {
            background: linear-gradient(135deg, #FFDC80, #F56040, #833AB4);
        }

        .footer-social-btn.fb {
            background: #1877F2;
        }

        .footer-social-btn.wa {
            background: #25D366;
        }

        .footer-social-btn:hover {
            transform: translateY(-3px) scale(1.1);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .footer-contact {
            font-size: 0.68rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: right;
        }

        .footer-contact strong {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            display: block;
            margin-top: 4px;
            letter-spacing: 0.05em;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .footer-copy {
            font-size: 0.58rem;
            color: rgba(255, 255, 255, 0.2);
            text-transform: uppercase;
            letter-spacing: 0.15em;
        }

        .footer-staff {
            font-size: 0.58rem;
            color: rgba(255, 255, 255, 0.25);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.3s;
        }

        .footer-staff:hover {
            color: var(--gold);
        }

        @media (max-width: 768px) {
            .footer-mid {
                flex-direction: column;
                text-align: center;
            }

            .footer-nav {
                justify-content: center;
            }

            .footer-socials {
                justify-content: center;
            }

            .footer-contact {
                text-align: center;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        /* ══════════════════════════════════════════════════
           WHATSAPP FLOATING BUTTON
           ══════════════════════════════════════════════════ */
        .whatsapp-float {
            position: fixed;
            z-index: 90;
            bottom: 28px;
            right: 28px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #25D366;
            color: white;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
            cursor: pointer;
            text-decoration: none;
            animation: waPulse 2.5s infinite;
            transition: transform 0.3s;
        }

        .whatsapp-float::before {
            content: '¿Necesitas ayuda?';
            position: absolute;
            right: 68px;
            top: 50%;
            transform: translateY(-50%);
            white-space: nowrap;
            background: var(--navy);
            color: #FFFFFF;
            font-family: var(--font-body);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .whatsapp-float::after {
            content: '';
            position: absolute;
            right: 62px;
            top: 50%;
            transform: translateY(-50%);
            border: 6px solid transparent;
            border-left-color: var(--navy);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .whatsapp-float:hover {
            transform: scale(1.08);
        }

        .whatsapp-float:hover::before,
        .whatsapp-float:hover::after {
            opacity: 1;
        }

        @keyframes waPulse {

            0%,
            100% {
                box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
            }

            50% {
                box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35), 0 0 0 14px rgba(37, 211, 102, 0.1);
            }
        }

        @media (max-width: 768px) {
            .whatsapp-float {
                bottom: 20px;
                right: 16px;
                width: 52px;
                height: 52px;
            }

            .whatsapp-float::before,
            .whatsapp-float::after {
                display: none;
            }
        }

        /* ══════════════════════════════════════════════════
           SCROLL ANIMATIONS
           ══════════════════════════════════════════════════ */
        .reveal {
            opacity: 0;
            transform: translateY(35px);
            transition: opacity 0.9s var(--transition-smooth), transform 0.9s var(--transition-smooth);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ══════════════════════════════════════════════════
           REDUCED MOTION
           ══════════════════════════════════════════════════ */
        @media (prefers-reduced-motion: reduce) {

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }

            .reveal {
                opacity: 1;
                transform: none;
            }
        }

        /* ══════════════════════════════════════════════════
           SEGURIDAD FRONTEND (Anti-Robo)
           ══════════════════════════════════════════════════ */
        body {
            -webkit-user-select: none;
            /* Chrome/Safari */
            -moz-user-select: none;
            /* Firefox */
            -ms-user-select: none;
            /* IE10+ */
            user-select: none;
        }

        img {
            -webkit-user-drag: none;
            -khtml-user-drag: none;
            -moz-user-drag: none;
            -o-user-drag: none;
            pointer-events: none;
        }

        /* Allow selection only in inputs */
        input,
        textarea {
            -webkit-user-select: text;
            -moz-user-select: text;
            -ms-user-select: text;
            user-select: text;
        }
    