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

:root {
    /* Cores principais */
    --natura-green: #00A86B;
    --natura-green-light: #B8E6D0;
    --natura-green-dark: #007A4D;
    --natura-forest: #2D5A3D;
    --natura-earth: #C4A484;
    
    /* Cores do sistema */
    --white: #FFFFFF;
    --black: #1F2937;
    --gray-light: #F3F4F6;
    --gray-medium: #9CA3AF;
    --gray-dark: #374151;
    
    /* Gradientes */
    --gradient-hero: linear-gradient(135deg, var(--natura-green), var(--natura-forest));
    --gradient-nature: linear-gradient(180deg, var(--natura-green-light), var(--white));
    
    /* Sombras */
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-natura: 0 10px 40px rgba(0, 168, 107, 0.2);
    
    /* Transições */
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Espaçamentos */
    --container-padding: 2rem;
    --section-padding: 5rem 0;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.nav-brand h1 {
    color: var(--natura-green);
    font-size: 2rem;
    font-weight: bold;
}

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

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

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--natura-green);
    margin: 3px 0;
    transition: var(--transition);
}

/* Botões */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--natura-green);
    border: 2px solid var(--natura-green);
}

.btn-outline:hover {
    background: var(--natura-green);
    color: var(--white);
}

/* Hero Section */
.hero {
    padding: 8rem 0 var(--section-padding);
    background: var(--gradient-hero);
    color: var(--white);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.hero-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 2rem;
    box-shadow: var(--shadow-natura);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: bold;
    color: var(--black);
    margin-bottom: 1.5rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--gray-dark);
    max-width: 800px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--gradient-nature);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 2rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-natura);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--natura-green);
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.stat-card p {
    color: var(--gray-dark);
}

.mission {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.mission h3 {
    font-size: 2rem;
    color: var(--black);
    margin-bottom: 1.5rem;
}

.mission p {
    font-size: 1.125rem;
    color: var(--gray-dark);
}

/* Products Section */
.products {
    padding: var(--section-padding);
    background: var(--white);
}

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

.products-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 2rem;
    box-shadow: var(--shadow-natura);
}

.products-content h2 {
    font-size: 3rem;
    font-weight: bold;
    color: var(--black);
    margin-bottom: 1.5rem;
}

.products-content > p {
    font-size: 1.25rem;
    color: var(--gray-dark);
    margin-bottom: 3rem;
}

.product-lines {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--natura-green-light);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: var(--transition);
}

.product-card:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
}

.product-card h3 {
    color: var(--natura-green);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.product-card p {
    color: var(--gray-dark);
    margin-bottom: 1rem;
}

.benefits {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.benefit {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 168, 107, 0.1);
    color: var(--natura-green);
    border-radius: 1rem;
    font-size: 0.875rem;
}

/* Sustainability Section */
.sustainability {
    padding: var(--section-padding);
    background: var(--gray-light);
}

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

.sustainability-content h2 {
    font-size: 3rem;
    font-weight: bold;
    color: var(--black);
    margin-bottom: 1.5rem;
}

.sustainability-content > p {
    font-size: 1.25rem;
    color: var(--gray-dark);
    margin-bottom: 3rem;
}

.initiatives {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.initiative h3 {
    color: var(--natura-green);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.initiative p {
    color: var(--gray-dark);
}

.sustainability-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 2rem;
    box-shadow: var(--shadow-soft);
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-card {
    background: var(--white);
    border: 1px solid var(--natura-green-light);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-soft);
}

.contact-card h3 {
    color: var(--natura-green);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--gray-dark);
    margin-bottom: 0.5rem;
}

.consultora-section {
    text-align: center;
}

.consultora-section h3 {
    font-size: 2rem;
    color: var(--black);
    margin-bottom: 1rem;
}

.consultora-section p {
    font-size: 1.125rem;
    color: var(--gray-dark);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

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

.footer-brand h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--natura-green-light);
}

.footer-column a {
    display: block;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 0.5rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--natura-green-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-soft);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .products-grid,
    .sustainability-grid {
        grid-template-columns: 1fr;
    }
    
    .products-image {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons,
    .consultora-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .products-content h2,
    .sustainability-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
.hero-content,
.hero-image {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}