:root {
    --font-heading: 'Poppins', sans-serif; 
    --font-body: 'Inter', sans-serif;
    --color-accent: #007BFF;
    --color-accent-glow: rgba(0, 123, 255, 0.15);
    --color-background: #0A192F;
    --color-background-section: #111E36;
    --color-background-card: rgba(30, 41, 59, 0.6);
    --color-text-primary: #E6F1FF;
    --color-text-secondary: #8892B0;
    --color-border: rgba(56, 82, 122, 0.5);
    --border-radius: 16px;
    --content-width: 1100px;
    --transition-smooth: 0.3s ease-in-out;
    --spacing-section: 9rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

main {
    display: block;
    width: 100%;
}

.content-width { max-width: var(--content-width); margin-left: auto; margin-right: auto; padding-left: 2rem; padding-right: 2rem; }
.section-header { text-align: center; max-width: 750px; margin: 0 auto 4rem auto; }
.subheading { text-transform: uppercase; letter-spacing: 2px; font-size: 0.9rem; font-weight: 500; color: var(--color-accent); margin-bottom: 1rem; }
h1, h2, h3 { font-family: var(--font-heading); color: var(--color-text-primary); font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2.8rem, 5.5vw, 4.5rem); }
h2 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
h3 { font-size: 1.4rem; font-weight: 600; margin-bottom: 1rem; }
p { font-size: 1.1rem; max-width: 65ch; }
p.tagline { margin: 1.5rem auto 2.5rem auto; color: var(--color-text-secondary); }

.button-primary { display: inline-block; background: var(--color-accent); color: white; padding: 1rem 2.5rem; border-radius: var(--border-radius); text-decoration: none; font-weight: 600; font-family: var(--font-body); border: 1px solid var(--color-accent); transition: all var(--transition-smooth); box-shadow: 0 5px 20px rgba(0, 123, 255, 0.25); }
.button-primary:hover { background-color: transparent; color: var(--color-accent); transform: translateY(-4px); box-shadow: 0 10px 25px rgba(0, 123, 255, 0.25); }
.button-secondary { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--color-text-secondary); text-decoration: none; transition: all var(--transition-smooth); margin-top: 1rem; }
.button-secondary:hover { color: var(--color-accent); transform: translateY(-2px); }
.button-contact { border: 1px solid var(--color-accent); color: var(--color-accent); padding: 0.6rem 1.6rem; border-radius: var(--border-radius); transition: all var(--transition-smooth); margin-left: 2rem; text-decoration: none; }
.button-contact:hover { background-color: var(--color-accent); color: white; }

.main-header { padding: 1.5rem 0; position: sticky; top: 0; z-index: 1000; transition: background-color var(--transition-smooth), border-color var(--transition-smooth); border-bottom: 1px solid transparent; }
.main-header.scrolled { background-color: rgba(10, 25, 47, 0.85); border-bottom: 1px solid var(--color-border); backdrop-filter: blur(10px); }
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.6rem; font-weight: 700; color: var(--color-text-primary); text-decoration: none; }
.main-nav a { color: var(--color-text-secondary); text-decoration: none; margin-left: 2rem; font-weight: 500; font-size: 1rem; }

section { padding: var(--spacing-section) 0; }
.hero-section {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
    padding-top: 5rem;
    padding-bottom: 5rem;
    position: relative;
    background-image: linear-gradient(rgba(10, 25, 47, 0.95), rgba(10, 25, 47, 0.95)), url('https://images.unsplash.com/photo-1553095066-5014bc7b7f2d?q=80&w=2071&auto=format&fit=crop');
    background-size: cover;
    background-position: center center;
}
.hero-section .hero-content { position: relative; z-index: 2; }

.about-section {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-section);
    padding-bottom: var(--spacing-section);
}
.about-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: center; }
.about-image img { width: 100%; border-radius: var(--border-radius); }

.differentials-section { background-color: var(--color-background-section); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.differentials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.differential-card { text-align: center; padding: 2rem; }
.differential-icon { font-size: 2.5rem; color: var(--color-accent); margin-bottom: 1.5rem; display: inline-block; }
.differential-card p { font-size: 1rem; }

.services-section { border-top: 1px solid var(--color-border); }
.services-accordion { max-width: 900px; margin: 0 auto; border-radius: var(--border-radius); overflow: hidden; }
.service-accordion-item { background-color: var(--color-background-card); border-bottom: 1px solid var(--color-border); }
.service-accordion-item:last-child { border-bottom: none; }
.accordion-header { width: 100%; background-color: transparent; border: none; padding: 1.75rem 2rem; display: flex; justify-content: space-between; align-items: center; cursor: pointer; text-align: left; }
.accordion-header h3 { margin-bottom: 0; font-size: 1.3rem; color: var(--color-text-primary); transition: color var(--transition-smooth); }
.accordion-header:hover h3 { color: var(--color-accent); }
.accordion-icon { color: var(--color-accent); font-size: 1rem; transition: transform 0.4s var(--transition-smooth); }
.service-accordion-item.active .accordion-icon { transform: rotate(180deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; }
.accordion-content p { padding: 0 2rem 1.75rem 2rem; font-size: 1rem; color: var(--color-text-secondary); max-width: none; border-top: 1px solid var(--color-border); margin-top: -1.75rem; padding-top: 1.75rem; }

.social-proof-section { text-align: center; border-top: 1px solid var(--color-border); }
.testimonials-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 4rem; }
.testimonial-card { background-color: var(--color-background-card); padding: 2.5rem; border-radius: var(--border-radius); border: 1px solid var(--color-border); display: flex; flex-direction: column; text-align: left; }
.testimonial-icon { color: var(--color-accent); font-size: 2rem; margin-bottom: 1.5rem; }
.testimonial-card blockquote { font-size: 1.1rem; line-height: 1.6; color: var(--color-text-primary); margin-bottom: 1.5rem; font-style: italic; flex-grow: 1; }
.testimonial-card cite { font-style: normal; font-weight: 700; color: var(--color-text-primary); }

.cta-section { padding: var(--spacing-section) 0; text-align: center; border-top: 1px solid var(--color-border); }
.cta-content p { margin: 1rem auto 2.5rem auto; color: var(--color-text-secondary); }

.main-footer { padding: 4rem 0 2rem 0; background-color: var(--color-background-section); border-top: 1px solid var(--color-border); }
.footer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--color-border); }
.footer-nav a { color: var(--color-text-secondary); text-decoration: none; margin-left: 2rem; font-weight: 500; transition: color var(--transition-smooth); }
.footer-nav a:hover { color: var(--color-accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-social a { color: var(--color-text-secondary); font-size: 1.5rem; transition: color var(--transition-smooth), transform var(--transition-smooth); }
.footer-social a:hover { color: var(--color-accent); transform: translateY(-3px); }
.footer-copyright p { font-size: 0.9rem; margin: 0; color: var(--color-text-secondary); }

[data-animate] { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
[data-animate].visible { opacity: 1; transform: translateY(0); }
[data-animate][data-delay="100"] { transition-delay: 100ms; }
[data-animate][data-delay="200"] { transition-delay: 200ms; }

.hamburger-menu, .mobile-nav { display: none; }
@media (max-width: 992px) {
    .main-nav { display: none; }
    .hamburger-menu { display: flex; }
    .about-container { grid-template-columns: 1fr; }
    .differentials-grid, .testimonials-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
    :root { --spacing-section: 6rem; }
    .content-width { padding: 0 1.5rem; }
    h1 { font-size: 2.5rem; } h2 { font-size: 2rem; }
    .hero-section { min-height: 80vh; }
    .about-container { text-align: center; }
    .about-image { max-width: 280px; margin: 0 auto 2rem auto; }
    .footer-top, .footer-bottom { flex-direction: column; align-items: center; gap: 2rem; text-align: center; }
    .footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 1.5rem; }
    .footer-nav a { margin: 0; }
}
/* ... (código do menu mobile aqui) ... */