/* Variáveis CSS */
:root {
    --primary-color: #2E86DE; /* Azul vibrante */
    --secondary-color: #FF7F50; /* Laranja coral */
    --text-color: #333;
    --light-text-color: #666;
    --background-light: #f9f9f9;
    --background-dark: #eee;
    --white: #fff;
    --font-family: 'Poppins', sans-serif;
    --header-height: 80px; /* Para futura barra de navegação fixa */
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-light);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Tipografia */
h1, h2, h3 {
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 3.2rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--light-text-color);
}

/* Botões */
.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn:hover {
    background-color: #FF6347; /* Tom um pouco mais escuro */
    transform: translateY(-3px);
}

/* Seção Hero */
.hero {
    background: linear-gradient(rgba(46, 134, 222, 0.8), rgba(46, 134, 222, 0.8)), url('https://source.unsplash.com/random/1600x900/?productivity,focus,desk') no-repeat center center/cover;
    color: var(--white);
    text-align: center;
    padding: 10rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero p {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 1.5rem auto 2.5rem auto;
    color: rgba(255, 255, 255, 0.9);
}

/* Seções Gerais */
section {
    padding: 5rem 0;
    text-align: center;
}

section:nth-child(even) {
    background-color: var(--background-dark);
}

section p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Seção O Problema */
.problem-section {
    background-color: var(--background-light);
}
.problem-section p {
    color: var(--light-text-color);
    font-size: 1.15rem;
}

/* Seção A Solução Nexvalora */
.solution-section {
    background-color: var(--background-dark);
}
.solution-section ul {
    list-style: none;
    text-align: left;
    max-width: 700px;
    margin: 2rem auto;
    padding-left: 0;
}
.solution-section ul li {
    background: var(--white);
    padding: 1.2rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    font-size: 1.1rem;
    color: var(--light-text-color);
    transition: transform 0.2s ease;
}
.solution-section ul li:hover {
    transform: translateX(5px);
}
.solution-section ul li strong {
    color: var(--primary-color);
}
.solution-section .btn {
    margin-top: 2rem;
}


/* Seção Como Funciona */
.how-it-works-section .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.how-it-works-section .step-item {
    background-color: var(--white);
    padding: 2.5rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 8px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.how-it-works-section .step-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0,0,0,0.12);
}

.how-it-works-section .step-item i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.how-it-works-section .step-item h3 {
    color: var(--primary-color);
    font-size: 1.6rem;
}
.how-it-works-section .step-item p {
    font-size: 1rem;
}

/* Seção Diferenciais */
.differentiators-section {
    background-color: var(--background-dark);
}
.differentiators-section .diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.differentiators-section .diff-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    text-align: left;
    transition: transform 0.3s ease;
}
.differentiators-section .diff-item:hover {
    transform: translateY(-5px);
}

.differentiators-section .diff-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    display: block;
}
.differentiators-section .diff-item h3 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}
.differentiators-section .diff-item p {
    font-size: 0.95rem;
    color: var(--light-text-color);
    line-height: 1.5;
}

/* Seção Benefícios */
.benefits-section .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefits-section .benefit-item {
    background: linear-gradient(135deg, var(--primary-color), #4CAF50); /* Um gradiente para dar um toque */
    color: var(--white);
    padding: 2.5rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    transition: background 0.3s ease, transform 0.3s ease;
}
.benefits-section .benefit-item:hover {
    transform: scale(1.03);
    background: linear-gradient(135deg, #4CAF50, var(--primary-color));
}

.benefits-section .benefit-item i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.benefits-section .benefit-item h3 {
    color: var(--white);
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
}

.benefits-section .benefit-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* Seção CTA */
.cta-section {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 6rem 0;
}

.cta-section h2 {
    color: var(--white);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
}

.cta-section form {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap; /* Para responsividade */
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.cta-section input[type="email"] {
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: none;
    font-size: 1.1rem;
    flex-grow: 1;
    min-width: 280px;
}

.cta-section input[type="email"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--secondary-color);
}

.cta-section .btn {
    padding: 1rem 2.5rem;
}

.form-message {
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: 600;
}
.form-message.success {
    color: #90EE90; /* Verde claro */
}
.form-message.error {
    color: #FFB6C1; /* Vermelho claro */
}


/* Seção Depoimento */
.testimonial-section {
    background-color: var(--white);
    padding: 6rem 0;
    font-style: italic;
}

.testimonial-section .testimonial-text {
    font-size: 1.8rem;
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
    color: var(--text-color);
    line-height: 1.5;
}

.testimonial-section .testimonial-author {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Rodapé */
.footer {
    background-color: #222;
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0;
    font-size: 0.9rem;
    text-align: center;
}

.footer .footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.footer .footer-brand h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.footer .footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

.footer .footer-links ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.footer .footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer .footer-links a:hover {
    color: var(--secondary-color);
}

.footer .footer-social a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

.footer .footer-social a:hover {
    color: var(--secondary-color);
}

.footer .copyright {
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsividade */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    h2 {
        font-size: 2.2rem;
    }
    .hero {
        padding: 8rem 0;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    h3 {
        font-size: 1.5rem;
    }
    p {
        font-size: 1rem;
    }
    .hero {
        padding: 6rem 0;
        min-height: 60vh;
    }
    .hero p {
        font-size: 1.2rem;
    }
    .btn {
        padding: 0.9rem 1.8rem;
        font-size: 1rem;
    }

    .how-it-works-section .steps-grid,
    .differentiators-section .diff-grid,
    .benefits-section .benefits-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-section form {
        flex-direction: column;
    }
    .cta-section input[type="email"] {
        width: 100%;
        max-width: 350px;
    }
    .cta-section .btn {
        width: 100%;
        max-width: 350px;
    }

    .testimonial-section .testimonial-text {
        font-size: 1.4rem;
    }

    .footer .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    .footer .footer-links ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    .footer .footer-social {
        margin-top: 1rem;
    }
    .footer .footer-social a {
        margin: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    h2 {
        font-size: 1.6rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .testimonial-section .testimonial-text {
        font-size: 1.2rem;
    }
}