:root {
    /* Cores principais */
    --primary-dark: #0B0C10;      /* Azul muito escuro, quase preto - para fundos */
    --primary: #1F2833;           /* Azul escuro - para seções */
    --secondary: #66FCF1;         /* Azul neon/ciano - para destaques e CTAs */
    --secondary-dark: #45A29E;    /* Azul neon escuro - para hovers */
    --text-light: #C5C6C7;        /* Cinza claro - para texto sobre fundo escuro */
    --text-dark: #1F2833;         /* Azul escuro - para texto sobre fundo claro */
    --accent: #4F9BFF;            /* Azul brilhante - para elementos importantes */
    --gradient-start: #0B0C10;    /* Para gradientes */
    --gradient-end: #1F2833;      /* Para gradientes */

    --preto: #000000;
    --azul-escuro: #14213d;
    --laranja: #fca311;
    --cinza-claro: #e5e5e5;
    --branco: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--primary-dark);
}

.hero {
    background: linear-gradient(rgba(84, 89, 114, 0.9), #0B0C10), url('img.jpg');
    background-size: cover;
    background-position: center;
    color: var(--text-light);
    padding: 10px;
    text-align: center;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary);
    text-shadow: 0 0 10px rgba(102, 252, 241, 0.3);
}

h2 {
    color: var(--secondary);
    margin-bottom: 2rem;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.cta-button {
    background-color: var(--secondary);
    color: var(--primary-dark);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
    border: 2px solid var(--secondary);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(102, 252, 241, 0.5);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(102, 252, 241, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(102, 252, 241, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(102, 252, 241, 0);
    }
}

section {
    padding: 4rem 2rem;
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.beneficio {
    text-align: center;
    padding: 2rem;
    background-color: var(--primary);
    border-radius: 10px;
    transition: transform 0.3s;
    border: 1px solid var(--secondary-dark);
}

.beneficio:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.2);
}

.beneficio h3 {
    color: var(--secondary);
    margin-bottom: 1rem;
}

.autor-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 100%;
    margin: 0 auto;
    background: var(--primary);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid var(--secondary-dark);
}

.autor-info {
    width: 100%;
}

.autor-info p {
    font-size: 17px;
}

.preco-card {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    background-color: var(--primary);
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.1);
    border-radius: 10px;
    border: 1px solid var(--secondary-dark);
}

.preco-valor {
    margin: 2rem 0;
}

.preco-original {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 20px;
}

.preco-atual {
    font-size: 30px;
    font-weight: bold;
    color: var(--secondary);
    margin-left: 1rem;
    text-shadow: 0 0 10px rgba(102, 252, 241, 0.3);
}

.preco-beneficios {
    list-style: none;
    margin: 2rem 0;
}

.preco-beneficios li {
    margin: 1rem 0;
    color: var(--text-light);
}

.preco-beneficios li::before {
    content: "✓";
    color: var(--secondary);
    margin-right: 0.5rem;
}

.garantia {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--primary);
    color: var(--text-light);
    border-top: 1px solid var(--secondary-dark);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 12, 16, 0.8);
}

.modal-content {
    background-color: var(--primary);
    padding: 2rem;
    border-radius: 10px;
    max-width: 500px;
    margin: 15% auto;
    position: relative;
    text-align: center;
    border: 1px solid var(--secondary);
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.2);
}

.close {
    position: absolute;
    right: 1rem;
    top: 0.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--secondary);
}

.close:hover {
    color: var(--secondary-dark);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .autor-content {
        flex-direction: column;
        text-align: center;
    }

    .preco-card {
        margin: 0 1rem;
    }
}

/* Adicionando classe de animação fade-in */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}