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

:root {
    /* Cores principais */
    --primary-color: #2d7a4f;
    --primary-dark: #1e5439;
    --primary-light: #3a9d63;
    --secondary-color: #4a90e2;
    --accent-color: #f59e0b;
    
    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8faf9;
    --bg-dark: #1a1a1a;
    
    /* Cores de texto */
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition: all 0.3s ease;
    
    /* Tipografia */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header e Navegação */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

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

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

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

.btn-white {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f8faf9 0%, #e8f5e8 100%);
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
    border-radius: 2rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    background: #1a1a1a;
    padding: 1rem;
}

.app-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 1.5rem;
}

/* Section Styling */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: var(--bg-primary);
}

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

.feature-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    transition: var(--transition);
}

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

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

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-image {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* How It Works Section */
.how-it-works {
    background: var(--bg-secondary);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 300px;
    gap: 2rem;
    align-items: center;
}

.step-reverse {
    grid-template-columns: 80px 1fr 300px;
}

.step-reverse .step-content {
    order: 2;
}

.step-reverse .step-image {
    order: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.step-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

.step-image {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.step-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Screenshots Section */
.screenshots {
    background: var(--bg-primary);
}

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

.screenshot-item {
    text-align: center;
}

.screenshot-img {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    margin: 0 auto;
    display: block;
}

.screenshot-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.screenshot-caption {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.cta-note {
    opacity: 0.8;
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-description {
    opacity: 0.8;
    line-height: 1.8;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

.footer-copyright {
    margin-bottom: 0.5rem;
}

.footer-credits a {
    color: var(--primary-light);
    text-decoration: none;
}

.footer-credits a:hover {
    text-decoration: underline;
}

/* Responsividade */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .step {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step-reverse {
        grid-template-columns: 1fr;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .step-image {
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
}

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

.feature-card,
.step,
.screenshot-item {
    animation: fadeInUp 0.6s ease-out;
}

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