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

/* Tipografia de títulos: padronizar tamanhos para não depender do UA */
section h1 {
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1.2;
}
section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.25;
}
section h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.3;
}

/* Botão WhatsApp flutuante */
.whatsapp-button {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999; /* aumenta para evitar ser coberto por widgets */
  display: inline-flex !important; /* garante visibilidade em temas que sobrescrevem */
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #25D366; /* verde WhatsApp */
  color: #ffffff;
  border-radius: 9999px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.whatsapp-button i {
  font-size: 20px;
}
.whatsapp-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}
.whatsapp-button:focus-visible {
  outline: 3px solid rgba(37, 211, 102, 0.4);
  outline-offset: 4px;
}

@media (max-width: 640px) {
  .whatsapp-button {
    right: 16px;
    bottom: 16px;
    padding: 10px 14px;
    font-size: 14px;
  }
  .whatsapp-button i {
    font-size: 18px;
  }
}

/* Animação de pulso para o botão WhatsApp */
.whatsapp-button {
  animation: pulse 1.8s ease-in-out infinite;
  will-change: transform, box-shadow;
}

@keyframes pulse {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  }
  50% {
    transform: translateY(-1px) scale(1.06);
    box-shadow: 0 14px 30px rgba(37,211,102,0.35);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  }
}

/* Respeitar preferência de reduzir movimentos */
@media (prefers-reduced-motion: reduce) {
  .whatsapp-button {
    animation: none;
  }
}

:root {
    /* Paleta de Cores Laranja */
    --primary-orange: #FF8A00;
    --secondary-orange: #FFA500;
    --light-orange: #FFE4CC;
    --dark-orange: #E67300;
    --accent-orange: #FF6B00;
    
    /* Cores Complementares */
    --dark-blue: #1A2B3D;
    --light-blue: #F8FAFC;
    --gray-100: #F7FAFC;
    --gray-200: #EDF2F7;
    --gray-300: #E2E8F0;
    --gray-400: #CBD5E0;
    --gray-500: #A0AEC0;
    --gray-600: #718096;
    --gray-700: #4A5568;
    --gray-800: #2D3748;
    --gray-900: #1A202C;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-orange: 0 10px 25px rgba(255, 138, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    color: var(--primary-orange);
    text-decoration: none;
}

.logo-img {
    width: 50px;
    height: 50px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
    position: relative;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-orange) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23FF8A0020" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    min-height: 100vh;
    transform: translateY(80px);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.transform-text {
    color: var(--gray-900);
}

.normal-text {
    color: var(--gray-900);
}

.highlight {
    color: var(--primary-orange);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange), var(--secondary-orange));
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #0F172A, var(--dark-blue));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(255, 138, 0, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: #0F172A;
    border: 2px solid #0F172A;
}

.btn-secondary:hover {
    background: #0F172A;
    color: var(--white);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-orange);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    animation: slideInRight 1s ease-out;
    height: 100%;
    min-height: 600px;
    padding: var(--spacing-lg) 0;
}

.floating-elements {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.floating-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.floating-card.excel {
    animation-delay: 0s;
}

.floating-card.idea {
    animation-delay: 0.75s;
}

.floating-card.legacy {
    animation-delay: 1.5s;
}

.floating-card.software {
    animation-delay: 1.5s;
}

.floating-card i {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.floating-card.excel i {
    color: #217346;
}

.floating-card.idea i {
    color: #FFD700;
}

.floating-card.legacy i {
    color: #6B7280;
}

.floating-card.software i {
    color: var(--primary-orange);
}

.arrow {
    font-size: 1.5rem;
    color: var(--primary-orange);
    animation: pulse 2s ease-in-out infinite;
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-700);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-orange);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-orange));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

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

.service-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

.service-features i {
    color: var(--primary-orange);
    font-size: 0.875rem;
}

/* Advantages Section */
.advantages {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-100);
}

.advantages-content {
    display: block;
}

.advantages-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

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

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-orange));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.advantage-content h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.advantage-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Process Section */
.process {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.process-timeline {
    display: grid;
    gap: var(--spacing-xl);
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.timeline-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    position: relative;
}

.timeline-item:not(:last-child) .timeline-number::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 60px;
    background: var(--gray-300);
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.timeline-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.timeline-features span {
    background: var(--light-orange);
    color: var(--dark-orange);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-orange));
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: #0F172A;
    color: var(--white);
}

.cta .btn-primary:hover {
    background: #1A2B3D;
    transform: translateY(-2px);
}

.cta-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-100);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

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

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-orange));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.25rem;
}

.contact-item h4 {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray-600);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.1);
}

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

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 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-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-orange);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--primary-orange);
}

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

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

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-orange);
    color: var(--white);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--primary-orange);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-300); /* texto mais claro para contraste no fundo escuro */
}

/* Animations */
@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(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo-img {
        width: 45px;
        height: 45px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-lg);
        transition: left 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-md) 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-top: var(--spacing-lg);
        line-height: 1.3;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .timeline-item {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-md);
    }
    
    .timeline-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .floating-elements {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
        margin-top: var(--spacing-xl);
        line-height: 1.3;
        padding: 0 var(--spacing-sm);
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-orange {
    color: var(--primary-orange);
}

.bg-orange {
    background: var(--primary-orange);
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}
/* Acessibilidade: classe utilitária para conteúdo apenas para leitores de tela */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Melhorar contraste de textos em áreas essenciais */
.hero-subtitle,
.section-subtitle,
.nav-link,
.contact-item p {
  color: #0f172a; /* alto contraste sobre fundo claro */
}

/* Estilizar labels do formulário de contato para melhor acessibilidade */
.contact-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #0f172a;
}
.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea {
  border: 1px solid #1f2937; /* cinza escuro para contraste */
}

/* Ajustar cor de links no footer para contraste e estado de foco */
/* Removido ajuste global de links no footer para manter alto contraste no fundo escuro */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-orange);
    color: #000; /* texto preto sobre laranja para alto contraste */
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10001;
    transition: top 0.3s;
}
.skip-link:focus {
  top: 6px;
}

.field-error {
  color: #EF4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.has-error {
  border-color: var(--primary-orange) !important;
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.1) !important;
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  color: white;
  font-weight: 500;
  z-index: 10000;
  transform: translateX(100%);
  opacity: 0;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  max-width: 400px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}
.notification.show {
  transform: translateX(0);
  opacity: 1;
}
.notification-success { background-color: #10B981; }
.notification-error { background-color: #EF4444; }
.notification-warning { background-color: #F59E0B; }
.notification-info { background-color: #3B82F6; }

/* Conteúdo e botão da notificação (sem estilos inline) */
.notification-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.notification-close {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  margin-left: auto;
}