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

:root {
    --primary-blue: #4A90E2;
    --primary-green: #4CAF50;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --dark-gray: #333333;
    --text-gray: #666666;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.cta-button {
    background: var(--primary-green);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: #45a049;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(76, 175, 80, 0.1) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><radialGradient id="brain" cx="50%" cy="50%" r="40%"><stop offset="0%" style="stop-color:%234A90E2;stop-opacity:0.1"/><stop offset="100%" style="stop-color:%234CAF50;stop-opacity:0.05"/></radialGradient></defs><circle cx="600" cy="300" r="200" fill="url(%23brain)"/></svg>') center/cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 80px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.hero-content .subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    background: var(--primary-blue);
    color: var(--white);
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.hero-cta:hover {
    background: #3a7bc8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
}

.hero-features {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 1rem;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Como Funciona */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.step:hover {
    transform: translateY(-10px);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

/* Sobre o Teste */
.about-test {
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text ul {
    list-style: none;
    margin: 2rem 0;
}

.about-text li {
    margin: 1rem 0;
    padding-left: 2rem;
    position: relative;
}

.about-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

.dimensions {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.dimension {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.dimension h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* Depoimentos */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    font-weight: bold;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark-gray);
}

.testimonial-role {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Oferta */
.offer {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    text-align: center;
}

.offer .section-title,
.offer .section-subtitle {
    color: var(--white);
}

.price {
    font-size: 4rem;
    font-weight: 700;
    margin: 2rem 0;
}

.benefits {
    list-style: none;
    max-width: 500px;
    margin: 2rem auto;
}

.benefits li {
    margin: 1rem 0;
    padding-left: 2rem;
    position: relative;
    text-align: left;
}

.benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--white);
    font-weight: bold;
    font-size: 1.2rem;
}

.offer-cta {
    background: var(--white);
    color: var(--primary-blue);
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    margin-top: 2rem;
    transition: all 0.3s;
}

.offer-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Test Page */
.test-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: none;
}

.test-container.active {
    display: block;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--light-gray);
    border-radius: 5px;
    margin-bottom: 3rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    width: 0%;
    transition: width 0.3s;
}

.question-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: none;
}

.question-card.active {
    display: block;
}

.question-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 500;
}

.options {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.option {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    background: var(--white);
    cursor: pointer;
    text-align: center;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.option:hover {
    border-color: var(--primary-blue);
}

.option.selected {
    border-color: var(--primary-blue);
    background: rgba(74, 144, 226, 0.1);
}

.test-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-button {
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.nav-button:hover {
    background: #3a7bc8;
}

.nav-button:disabled {
    background: var(--text-gray);
    cursor: not-allowed;
}

/* Results */
.results {
    display: none;
    text-align: center;
}

.results.active {
    display: block;
}

.results-chart {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

.dimension-result {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 10px;
}

.dimension-name {
    flex: 1;
    text-align: left;
    font-weight: 600;
}

.dimension-bar {
    flex: 2;
    height: 30px;
    background: var(--light-gray);
    border-radius: 15px;
    overflow: hidden;
    margin: 0 1rem;
}

.dimension-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border-radius: 15px;
    transition: width 1s ease-out;
}

.dimension-score {
    font-weight: bold;
    color: var(--primary-blue);
}

.download-pdf {
    background: var(--primary-green);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1.1rem;
    margin-top: 2rem;
    transition: all 0.3s;
}

.download-pdf:hover {
    background: #45a049;
}

/* Footer */
footer {
    background: var(--dark-gray);
    color: var(--white);
    text-align: center;
    padding: 3rem 0;
}

.footer-links {
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin: 0 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .options {
        flex-direction: column;
    }

    .test-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .dimension-result {
        flex-direction: column;
        text-align: center;
    }

    .dimension-bar {
        margin: 1rem 0;
    }
}

/* Hidden sections */
.main-content {
    display: block;
}

.main-content.hidden {
    display: none;
}