:root {
  --primary-color: #FF6B00;
  --secondary-color: #FF3D00;
  --accent-color: #4CAF50;
  --dark-color: #2D3748;
  --light-color: #F7FAFC;
  --text-color: #2D3748;
  --text-light: #718096;
  --section-spacing: 3rem;
  --category-spacing: 2.5rem;
  --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --border-radius: 12px;
  --white: #ffffff;
  --gray-light: #f5f5f5;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--gray-light);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.back-button {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    outline: none;
}

.back-button:hover, .back-button:focus {
    background-color: rgba(255, 107, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.logo-text h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.2;
}

.tagline {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 2px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: var(--border-radius);
}

.main-nav a:hover, .main-nav a:focus {
    color: var(--primary-color);
    background-color: rgba(255, 107, 0, 0.05);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    outline: none;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.hero-text {
    max-width: 700px;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

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

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin-bottom: 2rem;
}

/* ===== SERVIÇOS ===== */
.services-section {
    padding: 4rem 0;
    background-color: #f8fafc;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    color: var(--dark-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.services-count {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-left: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover, .service-card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-card h3 i {
    color: var(--primary-color);
    font-size: 1.1em;
    min-width: 24px;
    text-align: center;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.service-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-light);
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.service-meta span {
    display: inline-flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.03);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    white-space: nowrap;
}

.service-meta i {
    margin-right: 5px;
    font-size: 0.85rem;
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.card-badge.popular {
    background: #fff4e6;
    color: #ff8c00;
}

.card-badge.essential {
    background: #f0f7ff;
    color: #3a86ff;
}

.card-badge.new {
    background: #e6f7f0;
    color: #00a854;
}

.card-badge.musthave {
    background: #fce8f3;
    color: #e91e63;
}

.card-content {
    padding: 1.5rem;
    flex: 1;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: auto;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    text-decoration: none;
}

.card-link:hover, .card-link:focus {
    color: var(--secondary-color);
    text-decoration: underline;
}

.card-link i {
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    background: #25D366;
    color: white;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.cta-button i {
    margin-right: 0.5rem;
    font-size: 1.2em;
}

.cta-button:hover, .cta-button:focus {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background: #128C7E;
}

/* Footer */
.main-footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col {
    margin-bottom: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.footer-logo h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
}

.footer-about {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover, .social-links a:focus {
    background: var(--primary-color);
    transform: translateY(-3px);
    outline: none;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background: var(--primary-color);
}

.stats-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.stats-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: var(--primary-color);
}

.stats-number {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    color: white;
}

.stats-update {
    font-size: 0.9rem;
    background: #25D366;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 0.25rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: var(--primary-color);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    text-decoration: none;
}

.contact-item a:hover, .contact-item a:focus {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
    text-align: center;
}

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.copyright a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

.copyright a:hover, .copyright a:focus {
    text-decoration: underline;
}

.copyright i {
    color: #ff4d4d;
    margin: 0 0.25rem;
}

/* Barra de Progresso */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--primary-color);
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease;
}

/* Botão Voltar ao Topo */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

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

.back-to-top:hover, .back-to-top:focus {
    background: var(--secondary-color);
    transform: translateY(-3px);
    outline: none;
}

/* Overlay para menu mobile */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsividade */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 1000;
        padding: 80px 30px 30px;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav a span {
        display: inline;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        margin-bottom: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Melhorias para acessibilidade */
a:focus, button:focus, input:focus, [tabindex]:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Estado focus para cards */
.service-card:focus-within {
    box-shadow: 0 0 0 2px var(--primary-color);
}

/* Melhorias de leitura */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}