/* ==========================================================================
   Design System & Variables
   ========================================================================== */
   :root {
    /* Colors */
    --primary: #8bc34a;       /* Verde vibrante do logo */
    --primary-hover: #7cb342;
    --primary-glow: rgba(139, 195, 74, 0.4);
    
    --bg-dark: #121212;       /* Fundo escuro principal */
    --bg-darker: #0a0a0a;     /* Fundo seções alternadas */
    --bg-card: #1e1e1e;       /* Fundo cards/glassmorphism */
    --bg-card-hover: #252525;
    
    --text-main: #f5f5f5;     /* Texto claro principal */
    --text-muted: #a0a0a0;    /* Texto secundário */
    
    --border-color: #333333;  /* Bordas sutis */

    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --section-padding: 5rem 0;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.bg-darker { background-color: var(--bg-darker); }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.section-header {
    margin-bottom: 3rem;
}
.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.9rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }
.btn-block { display: block; width: 100%; }

.btn-primary {
    background-color: var(--primary);
    color: #000;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 6px 20px var(--primary-glow);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary-glow);
    color: #fff;
    transform: translateY(-2px);
}

/* ==========================================================================
   Background Particles
   ========================================================================== */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    padding: 1rem 0;
}

.header.scrolled {
    padding: 0.5rem 0;
    background: rgba(18, 18, 18, 0.95);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

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

.logo-container a {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

.text-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-brand {
    font-weight: 800;
    font-size: 1.5rem;
    line-height: 1;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo-sub {
    font-size: 0.6rem;
    color: var(--primary);
    letter-spacing: 2px;
    font-weight: 600;
}

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

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #fff;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding: 10rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background-color: rgba(139, 195, 74, 0.1);
    color: var(--primary);
    border: 1px solid rgba(139, 195, 74, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-badge i { margin-right: 0.5rem; }

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,0.1);
    position: relative;
    animation: rotate 60s linear infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle-inner {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 195, 74, 0.1) 0%, transparent 70%);
    position: relative;
}

.float-icon {
    position: absolute;
    font-size: 2.5rem;
    color: var(--primary);
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.icon-1 { top: -20px; left: 50%; transform: translateX(-50%); animation: bounce 3s infinite ease-in-out; }
.icon-2 { bottom: -20px; left: 50%; transform: translateX(-50%); animation: bounce 3s infinite ease-in-out 1s; }
.icon-3 { left: -20px; top: 50%; transform: translateY(-50%); animation: bounce 3s infinite ease-in-out 0.5s; }
.icon-4 { right: -20px; top: 50%; transform: translateY(-50%); animation: bounce 3s infinite ease-in-out 1.5s; }

@keyframes rotate { 100% { transform: rotate(360deg); } }
@keyframes bounce { 0%, 100% { transform: translate(-50%, -10px); } 50% { transform: translate(-50%, 10px); } }
@keyframes bounce-x { 0%, 100% { transform: translate(-10px, -50%); } 50% { transform: translate(10px, -50%); } }

/* Fix bounce for side icons */
.icon-3, .icon-4 { animation-name: bounce-x; }

/* ==========================================================================
   Problemas Section
   ========================================================================== */
.problems {
    padding: var(--section-padding);
}

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

.problem-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 195, 74, 0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.problem-icon {
    font-size: 2rem;
    color: #ff5252; /* Red for problems */
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

/* ==========================================================================
   Soluções Section
   ========================================================================== */
.solutions {
    padding: var(--section-padding);
}

.solutions-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.solution-item {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}

.solution-item:hover {
    background: var(--bg-card-hover);
    transform: translateX(10px);
}

.solution-item h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Serviços Section
   ========================================================================== */
.services {
    padding: var(--section-padding);
}

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

.service-card {
    background: var(--bg-dark);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    background: var(--bg-card-hover);
}

.service-header {
    margin-bottom: 1.5rem;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.service-list li {
    margin-bottom: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.service-list li i {
    color: var(--primary);
    font-size: 0.8rem;
}

/* ==========================================================================
   Compliance Section
   ========================================================================== */
.compliance {
    padding: var(--section-padding);
}

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

.extra-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    color: var(--text-muted);
}

.extra-list li::before {
    content: "•";
    color: var(--primary);
    margin-right: 0.5rem;
}

.compliance-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.comp-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.comp-icon {
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.comp-icon.highlight {
    color: var(--primary);
}

.comp-card p {
    font-size: 0.9rem;
    margin: 0;
}

/* ==========================================================================
   Diferenciais Section
   ========================================================================== */
.differentials {
    padding: var(--section-padding);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.diff-item i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.diff-item h4 {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Tecnologias Section
   ========================================================================== */
.technologies {
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
}

.tech-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 2rem;
}

.tech-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.6;
    transition: var(--transition);
    cursor: default;
}

.tech-logo i {
    font-size: 1.8rem;
}

.tech-logo:hover {
    opacity: 1;
    color: #fff;
}

/* ==========================================================================
   Sobre Section
   ========================================================================== */
.about {
    padding: var(--section-padding);
}

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

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.image-wrapper img {
    filter: grayscale(30%) brightness(0.8);
    transition: var(--transition);
}

.image-wrapper:hover img {
    filter: grayscale(0%) brightness(1);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: #000;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.experience-badge .number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.2;
}

/* ==========================================================================
   Contato Section
   ========================================================================== */
.contact {
    padding: var(--section-padding);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-details li {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: center;
}

.contact-details i {
    font-size: 2rem;
    background: rgba(139, 195, 74, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
}

.contact-details span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-details a, .contact-details div > span:last-child {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}

.contact-details a:hover {
    color: var(--primary);
}

.contact-form-container {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: #fff;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(139, 195, 74, 0.2);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #050505;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    margin-right: 0.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: #000;
    transform: translateY(-3px);
}

.footer-links h4 {
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations & Utilities
   ========================================================================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.5rem; }
    .compliance-layout, .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .experience-badge { right: 20px; bottom: 20px; }
}

@media (max-width: 768px) {
    :root { --section-padding: 4rem 0; }
    
    .hidden-mobile { display: none; }
    .mobile-toggle { display: block; }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-darker);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.4s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .nav-link { font-size: 1.2rem; }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero p { margin: 0 auto 2.5rem; }
    
    .tech-circle { width: 300px; height: 300px; margin: 0 auto; }
    .circle-inner { width: 200px; height: 200px; }
    
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form-container { padding: 2rem 1.5rem; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .social-links { justify-content: center; }
}