
        * {
            font-family: 'Inter', sans-serif;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --unicef-blue: #0099ff;
            --unicef-dark-blue: #1c3c6b;
            --unicef-light-blue: #e6f2ff;
            --unicef-gray: #f5f5f7;
            --unicef-gold: #ffd700;
        }
        
        body {
            overflow-x: hidden;
            background-color: #ffffff;
        }
        
        /* Animación de partículas de fondo */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.5;
            pointer-events: none;
        }
        
        .particle {
            position: absolute;
            background: var(--unicef-blue);
            border-radius: 50%;
            opacity: 0.3;
            animation: float 20s infinite linear;
        }
        
        @keyframes float {
            0% { transform: translateY(100vh) scale(0); opacity: 0; }
            50% { opacity: 0.3; }
            100% { transform: translateY(-100vh) scale(1); opacity: 0; }
        }
        
        /* Navbar con efecto glassmorphism */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,153,255,0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
            background: linear-gradient(to right, white, rgba(255,255,255,0.98));
        }

         .navbar.scrolled {
            padding: 10px 0;
            background: rgba(255, 255, 255, 0.98);
            border-bottom: 2px solid var(--unicef-blue);
        }
        
        .navbar-brand img {
            height: 50px;
            transition: transform 0.3s ease;
        }
        
        .navbar-brand img:hover {
            transform: scale(1.05) rotate(5deg);
        }
        
        .nav-link {
            font-weight: 600;
            color: #333;
            margin: 0 10px;
            position: relative;
            transition: all 0.3s ease;
        }

        
         
    /* Estilos para el dropdown */
    .dropdown-menu {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border: none;
        box-shadow: 0 4px 20px rgba(0,153,255,0.15);
        border-radius: 10px;
        padding: 10px 0;
    }
    
    .dropdown-item {
        font-weight: 500;
        color: #333;
        padding: 8px 20px;
        transition: all 0.3s ease;
    }
    
    .dropdown-item:hover {
        background: linear-gradient(45deg, rgba(0,153,255,0.1), rgba(0,102,204,0.1));
        color: var(--unicef-blue);
        padding-left: 25px;
    }
    
          
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 100%;
            height: 3px;
            background: var(--unicef-blue);
            transition: transform 0.3s ease;
            border-radius: 10px;
        }
        
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        
        .nav-link:hover, .nav-link.active {
            color: var(--unicef-blue);
        }
        
        /* Botón de donación con efecto pulse */
        .btn-donate {
            background: linear-gradient(45deg, var(--unicef-blue), var(--unicef-dark-blue));
            color: white;
            border-radius: 50px;
            padding: 12px 30px;
            font-weight: 700;
            border: none;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,153,255,0.3);
        }
        
        .btn-donate::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255,255,255,0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }
        
        .btn-donate:hover::before {
            width: 300px;
            height: 300px;
        }
        
        .btn-donate:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,153,255,0.5);
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(0,153,255,0.7); }
            70% { box-shadow: 0 0 0 15px rgba(0,153,255,0); }
            100% { box-shadow: 0 0 0 0 rgba(0,153,255,0); }
        }
        
        .btn-donate {
            animation: pulse 2s infinite;
        }
        
        /* Hero Section con animaciones */
        .hero {
            background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0,153,255,0.03) 0%, transparent 70%);
            animation: rotate 60s linear infinite;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 800;
            color: var(--unicef-dark-blue);
            line-height: 1.2;
            animation: slideInLeft 1s ease-out;
        }
        
        .hero .highlight {
            color: var(--unicef-blue);
            position: relative;
            display: inline-block;
        }
        
        .hero .highlight::after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 0;
            width: 100%;
            height: 8px;
            background: rgba(0,153,255,0.2);
            z-index: -1;
            animation: widthGrow 1s ease-out 0.5s both;
        }
        
        @keyframes widthGrow {
            from { width: 0; }
            to { width: 100%; }
        }
        
        .hero-img {
            border-radius: 20px;
            box-shadow: 0 30px 60px rgba(0,153,255,0.25);
            animation: floatImage 6s ease-in-out infinite;
            transition: transform 0.3s ease;
        }
        
        .hero-img:hover {
            transform: scale(1.02) rotate(1deg);
        }
        
        @keyframes floatImage {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }
        
        /* Cards con efecto 3D */
        .impact-card {
            background: white;
            border-radius: 20px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid rgba(0,153,255,0.1);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }
        
        .impact-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.7s;
        }
        
        .impact-card:hover::before {
            left: 100%;
        }
        
        .impact-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: 0 30px 50px rgba(0,153,255,0.2);
            border-color: var(--unicef-blue);
        }
        
        .impact-icon {
            font-size: 3rem;
            color: var(--unicef-blue);
            margin-bottom: 20px;
            animation: bounceIcon 2s ease-in-out infinite;
        }
        
        @keyframes bounceIcon {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        
        .impact-card:nth-child(2) .impact-icon { animation-delay: 0.2s; }
        .impact-card:nth-child(3) .impact-icon { animation-delay: 0.4s; }
        .impact-card:nth-child(4) .impact-icon { animation-delay: 0.6s; }
        .impact-card:nth-child(5) .impact-icon { animation-delay: 0.8s; }
        .impact-card:nth-child(6) .impact-icon { animation-delay: 1s; }
        
        /* Contador animado */
        .counter-box {
            text-align: center;
            padding: 20px;
            border-radius: 15px;
            background: white;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            transition: all 0.3s ease;
        }
        
        .counter-box:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 40px rgba(0,153,255,0.15);
        }
        
        .counter {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--unicef-blue);
            line-height: 1;
            animation: countPulse 1s ease-in-out;
        }
        
        @keyframes countPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        /* CTA Banner con efecto glow */
        .cta-banner {
            background: linear-gradient(135deg, var(--unicef-dark-blue) 0%, #2a4f8a 100%);
            color: white;
            border-radius: 30px;
            padding: 70px 50px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(0,0,0,0.2);
            animation: glowPulse 3s ease-in-out infinite;
        }
        
        @keyframes glowPulse {
            0%, 100% { box-shadow: 0 30px 60px rgba(0,153,255,0.2); }
            50% { box-shadow: 0 40px 80px rgba(0,153,255,0.4); }
        }
        
        .cta-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: rotateSlow 20s linear infinite;
        }
        
        @keyframes rotateSlow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        /* Footer con efecto hover */
        .footer {
            background: linear-gradient(135deg, #0a1a2f, #1c3c6b);
            color: #aab9ce;
            position: relative;
            overflow: hidden;
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--unicef-blue), var(--unicef-gold), var(--unicef-blue), transparent);
            animation: slide 3s linear infinite;
            background-size: 200% 100%;
        }
        
        @keyframes slide {
            0% { background-position: 100% 0; }
            100% { background-position: -100% 0; }
        }
        
        .footer a {
            color: #aab9ce;
            text-decoration: none;
            transition: all 0.3s;
            position: relative;
            display: inline-block;
        }
        
        .footer a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .footer a::before {
            content: '→';
            position: absolute;
            left: -20px;
            opacity: 0;
            transition: all 0.3s;
        }
        
        .footer a:hover::before {
            opacity: 1;
            left: -15px;
        }
        
        /* Botón flotante de donación */
        .floating-donate {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 9999;
            animation: bounce 2s ease-in-out infinite;
        }
        
        .floating-donate a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 70px;
            height: 70px;
            background: linear-gradient(45deg, var(--unicef-blue), var(--unicef-dark-blue));
            border-radius: 50%;
            color: white;
            font-size: 30px;
            box-shadow: 0 5px 20px rgba(0,153,255,0.4);
            transition: all 0.3s;
            text-decoration: none;
        }
        
        .floating-donate a:hover {
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 10px 30px rgba(0,153,255,0.6);
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }
        
        /* Tooltip para botón flotante */
        .floating-donate .tooltip-text {
            position: absolute;
            right: 80px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--unicef-dark-blue);
            color: white;
            padding: 8px 15px;
            border-radius: 50px;
            font-size: 14px;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            pointer-events: none;
        }
        
        .floating-donate:hover .tooltip-text {
            opacity: 1;
            visibility: visible;
            right: 90px;
        }
        
        /* Loading spinner para imágenes */
        .img-loading {
            position: relative;
            overflow: hidden;
        }
        
        .img-loading::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            animation: loading 1.5s infinite;
        }
        
        @keyframes loading {
            0% { left: -100%; }
            100% { left: 100%; }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .section-title { font-size: 2rem; }
            .floating-donate { bottom: 15px; right: 15px; }
            .floating-donate a { width: 50px; height: 50px; font-size: 20px; }
        }
        
        /* Efecto de scroll reveal mejorado */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Animación para títulos */
        .section-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--unicef-dark-blue);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--unicef-blue), var(--unicef-gold));
            border-radius: 2px;
            animation: titleLine 2s ease-in-out infinite;
        }
        
        @keyframes titleLine {
            0%, 100% { width: 80px; }
            50% { width: 120px; }
        }

        /* Selector de Donación */
        .donation-wrapper {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 30px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            max-width: 500px;
        }

        .main-title p {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .amount-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
            margin-bottom: 25px;
        }

        .amount-card {
            background: rgba(255, 255, 255, 0.15);
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 20px 15px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .amount-card:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-5px);
            border-color: var(--unicef-blue);
        }

        .amount-card.selected {
            background: white;
            border-color: var(--unicef-blue);
            box-shadow: 0 10px 20px rgba(0, 174, 239, 0.3);
        }

        .amount-card.selected .amount-value,
        .amount-card.selected .amount-label {
            color: var(--unicef-dark-blue);
        }

        .amount-value {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            line-height: 1.2;
            margin-bottom: 5px;
        }

        .amount-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }

        .amount-label.popular {
            color: #ffd700;
        }

        .amount-label.popular i {
            color: #ffd700;
        }

        /* Tarjeta de "Otro monto" */
        .other-amount .amount-value {
            font-size: 2.2rem;
        }

        .other-input-container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
            color: white;
            margin-bottom: 5px;
        }

        .other-input-container input {
            width: 80px;
            padding: 5px 10px;
            border: none;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            font-weight: 600;
            text-align: center;
            outline: none;
            transition: all 0.3s ease;
        }

        .other-input-container input:focus {
            background: white;
            color: var(--unicef-dark-blue);
            box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.5);
        }

        .other-input-container input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

       
        @keyframes shine {
            0% { left: -100%; }
            20% { left: 100%; }
            100% { left: 100%; }
        }

        .security-text {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .security-text i {
            color: var(--unicef-blue);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero {
                padding: 80px 0;
                text-align: center;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero .lead {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .d-flex.gap-3 {
                justify-content: center;
            }

            .donation-wrapper {
                margin: 30px auto 0;
            }

            .amount-grid {
                grid-template-columns: 1fr;
            }
        }
  

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 50%;
        transform: translateX(-50%) scaleX(0);
        width: 100%;
        height: 3px;
        background: var(--unicef-blue);
        transition: transform 0.3s ease;
        border-radius: 10px;
    }
    
    .nav-link:hover::after,
    .nav-link.active::after {
        transform: translateX(-50%) scaleX(1);
    }
    
    .nav-link:hover, .nav-link.active {
        color: var(--unicef-blue);
    }
    
    /* Estilos para el dropdown */
    .dropdown-menu {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border: none;
        box-shadow: 0 4px 20px rgba(0,153,255,0.15);
        border-radius: 10px;
        padding: 10px 0;
    }
    
    .dropdown-item {
        font-weight: 500;
        color: #333;
        padding: 8px 20px;
        transition: all 0.3s ease;
    }
    
    .dropdown-item:hover {
        background: linear-gradient(45deg, rgba(0,153,255,0.1), rgba(0,102,204,0.1));
        color: var(--unicef-blue);
        padding-left: 25px;
    }
    
    /* Botón de donación con efecto pulse */
    .btn-donate {
        background: linear-gradient(45deg, var(--unicef-blue), var(--unicef-dark-blue));
        color: white;
        border-radius: 50px;
        padding: 12px 30px;
        font-weight: 700;
        border: none;
        transition: all 0.3s;
        position: relative;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,153,255,0.3);
        text-decoration: none;
        display: inline-block;
    }
    
    .btn-donate::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255,255,255,0.3);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }
    
    .btn-donate:hover::before {
        width: 300px;
        height: 300px;
    }
    
    .btn-donate:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(0,153,255,0.5);
        color: white;
    }


/* Estilos base (escritorio) */
.social-vertical {
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50px;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    width: fit-content;
}

.social-item i {
    font-size: 24px;
    width: 24px;
    text-align: center;
}

.social-item span {
    white-space: nowrap;
    opacity: 0;
    max-width: 0;
    transition: all 0.3s ease;
}

.social-item:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.social-item:hover span {
    opacity: 1;
    max-width: 100px;
    margin-left: 5px;
}

/* Colores específicos para cada red social */
.social-item[href*="facebook"]:hover { background: #1877f2; }
.social-item[href*="tiktok"]:hover { background: #000000; }
.social-item[href*="instagram"]:hover { background: #e4405f; }
.social-item[href*="youtube"]:hover { background: #ff0000; }

/* ===== VERSIÓN MÓVIL ===== */
@media screen and (max-width: 768px) {
    .social-vertical {
        /* Cambiamos de vertical a horizontal abajo */
        flex-direction: row;
        justify-content: space-around;
        left: 0;
        right: 0;
        top: auto;
        bottom: 0;
        transform: none;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: 10px 5px;
        gap: 5px;
        box-shadow: 0 -5px 20px rgba(0,0,0,0.15);
    }

    .social-item {
        /* Estilo más compacto para móvil */
        flex-direction: column;
        padding: 8px 5px;
        gap: 4px;
        background: transparent;
        box-shadow: none;
        border-radius: 12px;
        flex: 1;
        max-width: 70px;
    }

    .social-item i {
        font-size: 22px;
        color: #333;
        width: auto;
    }

    .social-item span {
        opacity: 1;
        max-width: 100%;
        font-size: 11px;
        color: #666;
        font-weight: 400;
        white-space: normal;
        text-align: center;
        line-height: 1.2;
    }

    /* Eliminamos efectos hover en móvil */
    .social-item:hover {
        transform: none;
        box-shadow: none;
    }

    .social-item:hover span {
        margin-left: 0;
    }

    /* Colores específicos para iconos en móvil */
    .social-item[href*="facebook"] i { color: #1877f2; }
    .social-item[href*="tiktok"] i { color: #000000; }
    .social-item[href*="instagram"] i { color: #e4405f; }
    .social-item[href*="youtube"] i { color: #ff0000; }
    
    .social-item[href*="facebook"] span { color: #1877f2; }
    .social-item[href*="tiktok"] span { color: #000000; }
    .social-item[href*="instagram"] span { color: #e4405f; }
    .social-item[href*="youtube"] span { color: #ff0000; }

    /* Ajuste para pantallas muy pequeñas */
    @media screen and (max-width: 380px) {
        .social-item i {
            font-size: 18px;
        }
        
        .social-item span {
            font-size: 9px;
        }
    }
}

/* Ajuste para tablets (modo híbrido) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    .social-vertical {
        left: 10px;
    }
    
    .social-item {
        padding: 10px 16px;
    }
    
    .social-item i {
        font-size: 22px;
    }
}