@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
    
    body {
        font-family: 'Poppins', sans-serif;
        scroll-behavior: smooth;
        overflow-x: hidden;
    }
    
    .hero-gradient {
        background: linear-gradient(180deg, #1E3A8A 0%, #0F172A 100%);
    }
    
    @keyframes pulse-neon-border {
        0%, 100% {
            box-shadow: 0 0 5px rgba(0,255,255,.7), 0 0 10px rgba(0,255,255,.5), 0 0 15px rgba(0,255,255,.3);
        }
        50% {
            box-shadow: 0 0 10px rgba(0,255,255,1), 0 0 20px rgba(0,255,255,.8), 0 0 30px rgba(0,255,255,.6);
        }
    }
    
    .animate-pulse-neon {
        animation: pulse-neon-border 2s ease-in-out infinite;
    }
    
    @keyframes float {
        0% { transform: translateY(0); }
        50% { transform: translateY(-20px); }
        100% { transform: translateY(0); }
    }
    
    .floating-animation {
        animation: float 6s ease-in-out infinite;
    }
    
    @keyframes pulse-neon-emerald-border {
        0%, 100% {
            box-shadow: 0 0 5px rgba(16,185,129,.7), 0 0 10px rgba(16,185,129,.5), 0 0 15px rgba(16,185,129,.3);
        }
        50% {
            box-shadow: 0 0 10px rgba(16,185,129,1), 0 0 20px rgba(16,185,129,.8), 0 0 30px rgba(16,185,129,.6);
        }
    }
    
    .animate-pulse-neon-emerald {
        animation: pulse-neon-emerald-border 2s ease-in-out infinite;
    }
    
    @keyframes pulse-neon-blue-border {
        0%, 100% {
            box-shadow: 0 0 5px rgba(59,130,246,.7), 0 0 10px rgba(59,130,246,.5), 0 0 15px rgba(59,130,246,.3);
        }
        50% {
            box-shadow: 0 0 10px rgba(59,130,246,1), 0 0 20px rgba(59,130,246,.8), 0 0 30px rgba(59,130,246,.6);
        }
    }
    
    .animate-pulse-neon-blue {
        animation: pulse-neon-blue-border 2s ease-in-out infinite;
    }
    
    @keyframes pulse-neon-teal-border {
        0%, 100% {
            box-shadow: 0 0 5px rgba(20,184,166,.7), 0 0 10px rgba(20,184,166,.5), 0 0 15px rgba(20,184,166,.3);
        }
        50% {
            box-shadow: 0 0 10px rgba(20,184,166,1), 0 0 20px rgba(20,184,166,.8), 0 0 30px rgba(20,184,166,.6);
        }
    }
    
    .animate-pulse-neon-teal {
        animation: pulse-neon-teal-border 2s ease-in-out infinite;
    }
    
    .fab-open-popup {
        position: fixed;
        bottom: 110px;
        right: 23px;
        background-color: #007bff;
        color: #fff;
        border: none;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: 0 4px 12px rgba(0,0,0,.2);
        cursor: pointer;
        z-index: 990;
        transition: background-color .3s, transform .2s;
    }
    
    .fab-open-popup:hover {
        background-color: #0056b3;
        transform: scale(1.05);
    }
    
    .popup-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background-color: rgba(0,0,0,.5);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        z-index: 999;
        justify-content: center;
        align-items: center;
        padding: 20px;
        opacity: 0;
        transition: opacity .3s;
    }
    
    .popup-content {
        background: #fff;
        border-radius: 12px;
        max-width: 90%;
        width: 600px;
        height: 600px;
        display: flex;
        flex-direction: column;
        box-shadow: 0 10px 30px rgba(0,0,0,.2);
        transform: scale(.95);
        opacity: 0;
        transition: transform .3s, opacity .3s;
    }
    
    .popup-close-btn {
        position: absolute;
        top: 8px;
        right: 12px;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(255,255,255,.7);
        font-size: 1.5rem;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        border: none;
        color: #333;
        transition: background-color .2s, color .2s;
    }
    
    .popup-close-btn:hover {
        background: rgba(230,230,230,.9);
        color: #000;
    }
    
    .popup-iframe-container {
        flex-grow: 1;
        overflow: hidden;
    }
    
    .popup-iframe-container iframe {
        width: 100%;
        height: 100%;
        border: none;
    }
    
    .popup-overlay.is-open {
        display: flex;
        opacity: 1;
    }
    
    .popup-overlay.is-open .popup-content {
        transform: scale(1);
        opacity: 1;
    }
    
    .brain-gradient-bg {
        background-color: #0F172A;
        background-image:
        radial-gradient(circle at 10% 20%, rgba(59,130,246,.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(37,99,235,.15) 0%, transparent 40%),
        linear-gradient(145deg, rgba(30,58,138,.1) 0%, rgba(15,23,42,.3) 100%);
        background-blend-mode: screen;
    }
    
    .cadeira-modal {
        visibility: hidden;
        opacity: 0;
        transition: opacity .3s, visibility .3s;
    }
    
    .cadeira-modal.is-open {
        visibility: visible;
        opacity: 1;
    }
    
    .cadeira-modal-content {
        transform: translateY(20px) scale(.95);
        transition: transform .3s;
    }
    
    .cadeira-modal.is-open .cadeira-modal-content {
        transform: translateY(0) scale(1);
    }
    
    .cadeira-item {
        transition: transform .2s, box-shadow .2s, background-color .2s;
        cursor: pointer;
    }
    
    .cadeira-item:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 15px -3px rgba(59,130,246,.15), 0 4px 6px -2px rgba(59,130,246,.1);
        background: rgba(59,130,246,.1);
    }
    
    .btn-primary {
        background: linear-gradient(90deg, #3B82F6 0%, #1D4ED8 100%);
        box-shadow: 0 4px 10px rgba(59,130,246,.2);
        transition: transform .3s, box-shadow .3s, filter .3s;
    }
    
    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 25px rgba(59,130,246,.35);
        filter: brightness(1.1);
    }
    
    .feature-card, .pricing-card, .testimonial-card {
        transition: all .3s;
    }
    
    .feature-card:hover, .pricing-card:hover {
        transform: translateY(-5px);
    }
    
    .testimonial-card:hover {
        transform: scale(1.02);
    }
    
    .testimonial-card p {
        padding-left: 1rem;
        border-left: 3px solid #3B82F6;
    }
    
    .testimonial-card.touched-active {
        border: 2px solid #22c55e;
        box-shadow: 0 0 15px 5px rgba(74,222,128,.6);
        transform: scale(1.01);
    }
    
    .popular-badge {
        position: absolute;
        top: -12px;
        right: 20px;
        background: #3B82F6;
        color: #fff;
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 14px;
        font-weight: bold;
        box-shadow: 0 4px 6px rgba(0,0,0,.1);
    }
    
    .testimonial-swiper .swiper-slide {
        padding-top: 15px;
        padding-bottom: 10px;
    }
    
    .swiper-button-next, .swiper-button-prev {
        color: #1E3A8A;
        background: rgba(255,255,255,.7);
        border-radius: 50%;
        width: 44px;
        height: 44px;
        transition: background .3s;
    }
    
    .swiper-button-next:hover, .swiper-button-prev:hover {
        background: rgba(255,255,255,1);
    }
    
    .swiper-button-next::after, .swiper-button-prev::after {
        font-size: 1.2rem;
        font-weight: bold;
    }
    
    .swiper-pagination-bullet {
        background: #9CA3AF;
        opacity: 1;
    }
    
    .swiper-pagination-bullet-active {
        background: #1E3A8A;
    }
    
    [data-aos] {
        opacity: 0;
        transition-property: opacity, transform;
    }