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

:root {
    --primary: #00C853;
    --gray: #D0D0D0;
    --black: #000000;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 50px;
}

.nav {
    display: flex;
    gap: 2rem;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.btn-login {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-login:hover {
    opacity: 0.9;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.btn-cadastrar {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.btn-cadastrar:hover {
    background: var(--primary);
    color: var(--white);
}

.mobile-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(208, 208, 208, 0.1) 100%);
}

.hero-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: #333;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.card p {
    color: #666;
}

/* Info Sections */
.info-section {
    padding: 4rem 0;
}

.info-section.gradient {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.05) 0%, rgba(208, 208, 208, 0.05) 100%);
}

.info-section .container {
    max-width: 800px;
    text-align: center;
}

.info-section .icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.info-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--black);
}

.info-section p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #333;
}

.team-members {
    margin-top: 2rem;
}

.team-members h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.8rem;
}

.team-member {
    display: block;
    padding: 0.9rem 1rem;
    border: 1px solid var(--gray);
    border-radius: 10px;
    text-decoration: none;
    color: var(--black);
    background: var(--white);
    font-weight: 600;
    transition: border-color 0.3s, color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.team-member:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.values-list {
    list-style: none;
    text-align: left;
    max-width: 600px;
    margin: 2rem auto 0;
}

.values-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.values-list .emoji {
    font-size: 1.5rem;
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-section a {
    display: block;
    color: var(--gray);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    font-weight: bold;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }
    
    .nav.active {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }

    .auth-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-login, .btn-cadastrar {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
    }
}