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

:root {
    --primary-green: #4CAF50;
    --light-green: #81C784;
    --lighter-green: #C8E6C9;
    --lightest-green: #E8F5E9;
    --dark-green: #2E7D32;
    --text-dark: #1B5E20;
    --text-gray: #424242;
    --text-light: #757575;
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray-border: #E0E0E0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-gray);
    background-color: var(--white);
}

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

/* Header e Navegação */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    color: var(--primary-green);
    flex-shrink: 0;
}

.brand-text h1 {
    color: var(--dark-green);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.brand-text .tagline {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

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

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

.btn-contact {
    background: var(--primary-green);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s;
}

.btn-contact:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--lightest-green) 0%, var(--white) 100%);
    padding: 4rem 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h2 {
    color: var(--text-dark);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    color: var(--primary-green);
    font-weight: 600;
}

.feature-badge svg {
    color: var(--primary-green);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--lightest-green);
    transform: translateY(-2px);
}

/* Device Mockup */
.device-mockup {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.tablet-frame {
    background: var(--text-dark);
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.screen {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.voting-interface h3 {
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 2rem;
}

.voting-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.voting-buttons button {
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s;
}

.vote-yes {
    background: var(--primary-green);
}

.vote-no {
    background: #F44336;
}

.vote-abstain {
    background: #FF9800;
}

/* Solution Section */
.solution {
    padding: 5rem 0;
    background: var(--gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--text-dark);
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-top: 4px solid var(--light-green);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    color: var(--primary-green);
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.solution-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--white);
}

.modules-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.module {
    background: var(--lightest-green);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.module:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.module-header {
    background: var(--light-green);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.module-header h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
}

.module-badge {
    background: var(--primary-green);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

.module-features {
    padding: 1.5rem;
    list-style: none;
}

.module-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

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

/* Equipment Section */
.equipment-section {
    background: var(--gray-light);
    padding: 3rem;
    border-radius: 20px;
    margin-top: 3rem;
}

.equipment-section h3 {
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.equipment-icon {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.equipment-card h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.equipment-card ul {
    list-style: none;
    text-align: left;
}

.equipment-card li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

.equipment-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--light-green);
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--lightest-green) 0%, var(--white) 100%);
}

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

.benefit-item {
    text-align: center;
    padding: 2rem;
}

.benefit-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--lighter-green);
    margin-bottom: 1rem;
}

.benefit-item h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.benefit-item p {
    color: var(--text-gray);
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: var(--primary-green);
    color: var(--white);
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-green);
}

.cta .btn-primary:hover {
    background: var(--lightest-green);
}

.cta .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

.contact-info {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item svg {
    opacity: 0.9;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links h4,
.footer-legal h4 {
    margin-bottom: 1rem;
}

.footer-links ul,
.footer-legal ul {
    list-style: none;
}

.footer-links a,
.footer-legal a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover,
.footer-legal a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .device-mockup {
        margin-top: 2rem;
    }
    
    .modules-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
}