/* ============================================
   ESTILOS GLOBAIS
   ============================================ */

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

:root {
    /* Cores principais - CUSTOMIZAR AQUI */
    --primary-color: #16a34a;      /* Verde */
    --primary-dark: #15803d;       /* Verde escuro */
    --secondary-color: #0ea5e9;    /* Azul */
    --text-dark: #1f2937;          /* Cinza escuro */
    --text-light: #6b7280;         /* Cinza claro */
    --bg-light: #f3f4f6;           /* Fundo claro */
    --bg-white: #ffffff;           /* Branco */
    --border-color: #e5e7eb;       /* Borda */
    
    /* Espaçamento */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Transições */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-white);
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 24px;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-description {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-version {
    font-size: 14px;
    color: #999;
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-placeholder {
    width: 280px;
    height: 380px;
    background: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-icon {
    font-size: 128px;
    opacity: 0.5;
}

/* ============================================
   BOTÕES
   ============================================ */

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(22, 163, 74, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-icon {
    display: inline-block;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-white);
}

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

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.feature-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   DOWNLOAD CTA SECTION
   ============================================ */

.download-cta {
    background-color: #1f2937;
    color: white;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.download-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: 18px;
    color: #d1d5db;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.cta-compatibility {
    font-size: 14px;
    color: #9ca3af;
    margin-top: var(--spacing-lg);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: #f9fafb;
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) var(--spacing-lg);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-white);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }

    .navbar-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .mockup-placeholder {
        width: 200px;
        height: 300px;
    }

    .mockup-icon {
        font-size: 80px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-title {
        font-size: 28px;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: var(--spacing-md);
    }

    .hero-title {
        font-size: 24px;
    }

    .hero-description {
        font-size: 14px;
    }

    .section-title {
        font-size: 22px;
    }

    .cta-title {
        font-size: 22px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}