/* ===== VARIÁVEIS ===== */
:root {
    --primary-color: #ffb347;
    --primary-dark: #ffa01c;
    --secondary-color: #2c3e50;
    --secondary-dark: #1a2634;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #fafafa;
    --white: #ffffff;
    --black: #000000;
    --gray: #ccc;
    --shadow: 0 5px 20px rgba(0,0,0,0.05);
    --shadow-hover: 0 10px 30px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

/* ===== UTILITÁRIOS ===== */
.section {
    padding: 5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 1rem auto;
    border-radius: 2px;
}

.bg-light {
    background-color: var(--bg-light);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--white);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

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

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

.logo h1, .logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.logo span {
    color: var(--primary-color);
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 6rem 5%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ===== SOBRE ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.service-card p {
    color: var(--text-light);
}

/* ===== CLIENTES ===== */
.clients-carousel {
    overflow: hidden;
    padding: 2rem 0;
}

.carousel-track {
    display: flex;
    gap: 3rem;
    animation: scroll 20s linear infinite;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 6)); }
}

.client-item {
    flex: 0 0 auto;
    width: 150px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-item img {
    max-width: 100%;
    max-height: 100%;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.client-item img:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* ===== CASES ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.case-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.case-tag {
    background: var(--primary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.case-content {
    padding: 1.5rem;
}

.case-content h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.case-results {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.result-item {
    text-align: center;
}

.result-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.result-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

.case-content p {
    color: var(--text-light);
}

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

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.testimonial-rating {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    color: var(--secondary-color);
    margin-bottom: 0.2rem;
}

.testimonial-author p {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ===== ARTIGOS ===== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-content {
    padding: 1.5rem;
}

.article-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: block;
}

.article-content h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.article-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* ===== FAQ ===== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 179, 71, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--secondary-color);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-light);
}

/* ===== CONTATO ===== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--white);
    padding: 2rem;
    border-radius: 10px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    margin-bottom: 2rem;
    color: #ccc;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
}

.contact-detail strong {
    color: var(--primary-color);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: var(--transition);
}

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

.submit-btn {
    background: var(--primary-color);
    color: var(--text-color);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.submit-btn:hover {
    background: var(--primary-dark);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary-dark);
    color: var(--white);
    padding: 4rem 5% 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ccc;
}

.footer-section i {
    color: var(--primary-color);
    width: 20px;
}

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

.social-links a {
    color: var(--white);
    background: rgba(255,255,255,0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-section form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.footer-section input {
    flex: 1;
    padding: 0.8rem;
    border: none;
    border-radius: 5px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.2);
}

.footer-section input::placeholder {
    color: #999;
}

.footer-section button {
    background: var(--primary-color);
    color: var(--text-color);
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.footer-section button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #ccc;
}

/* ===== WHATSAPP FLOATING ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
    z-index: 99;
}

.whatsapp-float:hover {
    background: #128c7e;
    transform: scale(1.1);
    color: var(--white);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--secondary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
}

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

.back-to-top:hover {
    background: var(--primary-color);
    color: var(--text-color);
    transform: translateY(-3px);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .carousel-track {
        animation: scroll 15s linear infinite;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .cases-grid,
    .articles-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}