/* ===== RESET E CONFIGURAÇÕES GLOBAIS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --orange-alert: #d67a2a;
    --black-tech: #373435;
    --white: #FFFFFF;
    --red-fire: #D62828;
    --green-safety: #4CAF50;
    --gray-steel: #9E9E9E;    /*--orange-alert: #ee8630;*/
    --orange-dark: #F5B634;   
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--orange-alert) 0%, var(--orange-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--red-fire) 0%, var(--orange-alert) 100%);
    --gradient-dark: linear-gradient(135deg, var(--black-tech) 0%, #2c2a2b 100%);
    
    /* Tipografia */
    --font-primary: 'Open Sans', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--black-tech);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* ===== COMPONENTES REUTILIZÁVEIS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--orange-alert);
    border: 2px solid var(--orange-alert);
}

.btn-secondary:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-2px);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--black-tech);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-steel);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(245, 182, 52, 0.2);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.nav-logo .logo {
    height: 50px;
    width: auto;
    transition: transform var(--transition-normal);
}

.nav-logo .logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--gray-steel);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    position: relative;
    transition: color var(--transition-normal);
}

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

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

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

.whatsapp-btn {
    background: var(--green-safety);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-normal);
}

.whatsapp-btn:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--black-tech);
    transition: all var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--white) 0%, #f8f9fa 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 120px; /* Adiciona espaço para o header fixo */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('../assets/images/background_1.png') no-repeat center center;
    background-size: cover;
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.hero-brand {
    display: block;
    font-size: 4rem;
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-slogan {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--black-tech);
    margin-top: var(--spacing-xs);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--gray-steel);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

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

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

.cert-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(245, 182, 52, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
}

.cert-item i {
    color: var(--orange-alert);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.hero-shield {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.shield-logo {
    width: 300px;
    height: auto;
    filter: drop-shadow(var(--shadow-xl));
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

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

.about-text h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--black-tech);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--gray-steel);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.values-list {
    list-style: none;
}

.values-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-steel);
}

.values-list i {
    color: var(--green-safety);
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-weight: var(--font-weight-semibold);
    opacity: 0.9;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, var(--white) 100%);
}

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

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-title {
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    color: var(--black-tech);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--gray-steel);
    line-height: 1.6;
}

/* ===== CERTIFICATIONS SECTION ===== */
.certifications {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.cert-card {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal);
}

.cert-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--orange-alert), transparent);
    animation: rotate 3s linear infinite;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cert-card:hover::before {
    opacity: 0.1;
}

.cert-card:hover {
    transform: translateY(-5px);
}

.cert-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    position: relative;
    z-index: 2;
}

.cert-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.cert-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 2;
}

.cert-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.cert-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--green-safety);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    position: relative;
    z-index: 2;
}

/* ===== LOCATION SECTION ===== */
.location {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, var(--white) 100%);
}

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

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

.info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--orange-alert);
    margin-top: var(--spacing-xs);
    min-width: 24px;
}

.info-item h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--black-tech);
    margin-bottom: var(--spacing-xs);
}

.info-item p {
    color: var(--gray-steel);
    line-height: 1.6;
}

.info-item a {
    color: var(--orange-alert);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.info-item a:hover {
    color: var(--orange-dark);
}

.location-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.location-map iframe {
    width: 100%;
    height: 300px;
    border: none;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

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

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--black-tech);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: var(--gray-steel);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: #f8f9fa;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.contact-method:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-method.whatsapp:hover {
    background: rgba(76, 175, 80, 0.1);
}

.contact-method.phone:hover {
    background: rgba(245, 182, 52, 0.1);
}

.contact-method.instagram:hover {
    background: rgba(214, 40, 40, 0.1);
}

.contact-method.facebook:hover {
    background: rgba(66, 103, 178, 0.1);
}

.contact-method i {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.contact-method.whatsapp i {
    background: var(--green-safety);
    color: var(--white);
}

.contact-method.phone i {
    background: var(--orange-alert);
    color: var(--white);
}

.contact-method.instagram i {
    background: var(--red-fire);
    color: var(--white);
}

.contact-method.facebook i {
    background: #4267B2;
    color: var(--white);
}

.contact-method h4 {
    font-weight: var(--font-weight-bold);
    color: var(--black-tech);
    margin-bottom: 2px;
}

.contact-method p {
    color: var(--gray-steel);
    margin: 0;
}

.contact-form {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--black-tech);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange-alert);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--orange-alert);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-section ul li a:hover {
    color: var(--orange-alert);
}

.footer-logo img {
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.footer-contact i {
    color: var(--orange-alert);
    margin-top: 2px;
    min-width: 16px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--orange-alert);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-credentials {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-credentials span {
    background: rgba(245, 182, 52, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--orange-alert);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ===== ANIMAÇÕES ===== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1024px) {
    .hero {
        padding-top: 100px;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        order: 2;
    }
    .hero-visual {
        order: 1;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-certifications {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 80px;
    }
    .hero-brand {
        font-size: 3rem;
    }
    .hero-slogan {
        font-size: 1.5rem;
    }
    .hero-description {
        font-size: 1rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-certifications {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .location-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-brand {
        font-size: 3rem;
    }

    .hero-slogan {
        font-size: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-certifications {
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .stat-item {
        flex: 1;
        margin: 0 var(--spacing-xs);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-credentials {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-brand {
        font-size: 2.5rem;
    }

    .hero-slogan {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .service-card,
    .contact-form {
        padding: var(--spacing-lg);
    }

    .about-stats {
        flex-direction: column;
    }

    .stat-item {
        margin: 0;
    }

    .hero-certifications {
        flex-direction: column;
        align-items: center;
    }

    .cert-item {
        justify-content: center;
    }
}

/* ===== UTILITÁRIOS ===== */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}