/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors - Dark Theme com Laranja Accent */
    --primary: #FF5722;
    --primary-dark: #E64A19;
    --primary-light: #FF7043;
    --secondary: #F15A24;
    --accent: #FF5722;
    --success: #10b981;
    
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-light: #64748B;
    
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-dark: #020617;
    
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
    font-weight: 400;
}

/* Typography - Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
}

h1 {
    font-size: 48px;
    font-weight: 700;
}

h2 {
    font-size: 36px;
    font-weight: 600;
}

h3 {
    font-size: 24px;
    font-weight: 600;
}

p {
    font-size: 16px;
    line-height: 1.8;
    font-weight: 400;
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    h3 {
        font-size: 22px;
    }
    
    body, p {
        font-size: 16px;
    }
}

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

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

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(30, 30, 35, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: rgba(255, 255, 255, 1);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition-normal);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
    
    /* Background com parallax */
    background-image: url('images/background-hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Efeito parallax */
}

/* Overlay sutil para profundidade (30% opacidade) */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 26, 0.3); /* 30% opacidade */
    z-index: 1;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2; /* Acima do overlay */
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(229, 231, 235, 0.3) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(229, 231, 235, 0.3) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3; /* Reduzido para não competir com o background */
    mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, #000 60%, transparent 100%);
    z-index: 2; /* Acima do overlay */
}

.hero .container {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: end; /* Alinha tudo embaixo */
}

.hero-content {
    align-self: center; /* Conteúdo centralizado verticalmente */
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line.highlight-orange {
    background: linear-gradient(135deg, #FF6B35, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    min-height: 2em;
    line-height: 1.8;
}

.typed-text {
    color: var(--primary);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    font-family: var(--font-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(255, 87, 34, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 87, 34, 0.6);
}

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

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: var(--font-heading);
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end; /* Alinha imagem na parte inferior */
    margin-bottom: -4rem; /* Compensa o padding do hero para grudar embaixo */
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.profile-image {
    position: relative;
    z-index: 2;
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.image-backdrop {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    z-index: 1;
    opacity: 0.2;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 500;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--text-light);
    border-bottom: 2px solid var(--text-light);
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) rotate(-45deg);
    }
    50% {
        transform: translateY(10px) rotate(-45deg);
    }
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-visual {
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.1), rgba(241, 90, 36, 0.05));
    padding: var(--spacing-xl);
    border-radius: 1rem;
    border: 2px solid var(--border-color);
}

.about-expertise {
    margin: 0;
}

.about-expertise h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.expertise-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 500;
}

.expertise-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.skills-graph {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.skill-bar {
    margin-bottom: var(--spacing-lg);
}

.skill-bar:last-child {
    margin-bottom: 0;
}

.skill-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.skill-progress {
    height: 12px;
    background: var(--bg-secondary);
    border-radius: 50px;
    overflow: hidden;
    position: relative;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 50px;
    transition: width 1s ease;
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: white;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-description {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 600;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition-normal);
}

.service-link:hover {
    gap: 0.5rem;
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
    background: var(--bg-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    position: relative;
    width: 100%;
    padding-top: 60%; /* Proporção 5:3 (300/500) para imagens de 500x300px */
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.portfolio-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    padding: var(--spacing-md);
}

.portfolio-info {
    padding: var(--spacing-md);
}

.portfolio-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.portfolio-category {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===================================
   Certifications Section
   =================================== */
.certifications {
    padding: var(--spacing-2xl) 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.cert-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
}

.cert-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

/* Imagem da certificação (mesmo estilo do portfólio) */
.cert-item .cert-image {
    position: relative;
    width: 100%;
    padding-top: 60%; /* Proporção 5:3 - mesmo do portfólio */
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.cert-item .cert-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.cert-item:hover .cert-image img {
    transform: scale(1.05);
}

/* Conteúdo da certificação */
.cert-item .cert-content {
    padding: var(--spacing-xl);
}

.cert-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 12px;
    color: var(--primary);
}

.cert-content h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.cert-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===================================
   Products Section
   =================================== */
.products {
    padding: var(--spacing-2xl) 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.product-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

/* Imagem do produto (mesmo estilo do portfólio) */
.product-item .product-image {
    position: relative;
    width: 100%;
    padding-top: 60%; /* Proporção 5:3 - mesmo do portfólio */
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.product-item .product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.05);
}

/* Placeholder quando não há imagem */
.product-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

/* Informações do produto */
.product-info {
    padding: var(--spacing-lg);
}

.product-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-form {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form .btn {
    grid-column: 1 / -1;
    margin-top: var(--spacing-md);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.contact-method:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 8px;
    color: var(--primary);
    flex-shrink: 0;
}

.method-info {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.method-value {
    font-weight: 600;
    color: var(--text-primary);
}

.social-links h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    color: var(--text-secondary);
}

.social-icon:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

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

.footer-brand p {
    color: var(--text-light);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    /* Removido order: -1 para manter imagem embaixo no mobile */
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 73px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 73px);
        background: rgba(30, 30, 35, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: var(--transition-normal);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: 8rem 0 4rem; /* AUMENTA padding-top para 8rem */
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm); /* REDUZ espaço após título (1rem) */
    }
    
    .hero-description {
        margin-bottom: var(--spacing-md); /* REDUZ espaço após descrição (1.5rem) */
    }
    
    .hero-cta {
        margin-bottom: var(--spacing-md); /* REDUZ espaço após botões (1.5rem) */
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr); /* 3 colunas no mobile */
        gap: var(--spacing-sm); /* Gap menor */
        padding-top: var(--spacing-md); /* REDUZ espaço antes dos stats (1.5rem) */
        margin-top: 0; /* Remove margin-top */
    }
    
    .stat-number {
        font-size: 1.75rem; /* Números menores no mobile */
    }
    
    .stat-label {
        font-size: 0.75rem; /* Textos menores no mobile */
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Animations & Effects
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
}

/* Smooth scroll for sections */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}