body {

    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* ... resto do seu CSS existente ... */

    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: url('../img/fundo.jpg') no-repeat center center fixed;
    background-size: cover;
    margin: 0;
    padding: 0;
    transition: all 0.3s ease;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    filter: blur(8px);
    z-index: -1;
    transition: all 0.3s ease;
}

.main-content {
    flex: 1;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.85);
    margin: 2rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --text-color: #f8f9fa;
    --white: #1a1a1a;
}

[data-theme="dark"] body {
    color: var(--text-color);
}

[data-theme="dark"] .main-content {
    background-color: rgba(26, 26, 26, 0.85);
    color: var(--text-color);
}

[data-theme="dark"] body::before {
    filter: blur(8px) brightness(0.6);
}

[data-theme="dark"] .site-header,
[data-theme="dark"] .site-footer {
    background-color: var(--white);
    color: var(--text-color);
}

[data-theme="dark"] .main-nav a {
    color: var(--text-color);
}

[data-theme="dark"] .main-nav a:hover {
    color: #c74d4d;
}

/* Estilos dos Planos */
.pricing-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.pricing-card {
    background-color: var(--white);
    border-radius: 15px;
    padding: 2rem;
    width: 100%;
    max-width: 350px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card.pro {
    border: 2px solid var(--primary-color);
}

.pricing-card.floating {
    animation: float 6s ease-in-out infinite;
}

.pricing-card.pro.floating {
    animation: float 6s ease-in-out infinite 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--medium-gray);
}

.pricing-header h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--dark-gray);
}

.features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features i {
    color: var(--primary-color);
}

.buy-button {
    display: block;
    text-align: center;
    background-color: var(--primary-color);
    color: white;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.buy-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.buy-button.pro {
    background-color: var(--secondary-color);
}

.buy-button.pro:hover {
    background-color: #7a3636;
}

.subtitle {
    text-align: center;
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

/* Dark Mode */
[data-theme="dark"] .pricing-card {
    background-color: rgba(26, 26, 26, 0.9);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .pricing-header {
    border-bottom-color: #333;
}

[data-theme="dark"] .features i {
    color: var(--secondary-color);
}

/* Responsivo */
@media (max-width: 768px) {
    .pricing-container {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        max-width: 100%;
    }
}

/* Ajustes para 3 cards */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

/* Efeito de destaque para o plano premium */
.pricing-card.pro {
    border: 2px solid var(--primary-color);
    position: relative;
}

.pricing-card.pro::before {
    content: "Popular";
    position: absolute;
    top: 10px;
    right: -30px;
    background: var(--primary-color);
    color: white;
    padding: 5px 30px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: bold;
}

/* Ajuste de animação para 3 cards */
.pricing-card.floating:nth-child(1) {
    animation-delay: 0s;
}
.pricing-card.floating:nth-child(2) {
    animation-delay: 0.5s;
}
.pricing-card.floating:nth-child(3) {
    animation-delay: 1s;
}

/* Botão premium */
.buy-button.pro {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* Responsividade */
@media (max-width: 1024px) {
    .pricing-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .pricing-container {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.pro::before {
        right: -25px;
        padding: 5px 25px;
    }
}