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

:root {
    /* Paleta de Cores */
    --primary-blue: #0066cc;
    --dark-blue: #004080;
    --light-blue: #3399ff;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #cccccc;
    --dark-gray: #333333;
    --green-accent: #28a745;
    
    /* Tipografia */
    --font-primary: 'Roboto', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transições */
    --transition-fast: 0.3s ease;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

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

/* ========================================
   HEADER E NAVEGAÇÃO COM LOGO
   ======================================== */
.main-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
    border-radius: 5px;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 700;
    white-space: nowrap;
}

.logo span {
    color: var(--green-accent);
}

/* Navegação Desktop */
.main-nav {
    display: block;
}

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

.nav-list li {
    white-space: nowrap;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    display: inline-block;
    white-space: nowrap;
    line-height: 1.2;
}

.nav-link:hover {
    color: var(--green-accent);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Menu Hambúrguer (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: all var(--transition-fast);
}

/* Animação do Hambúrguer quando ativo */
.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   HERO SECTION COM DEGRADÊ SUAVE
   ======================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Degradê SUAVE e mais transparente */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 102, 204, 0.45) 0%, 
        rgba(0, 64, 128, 0.55) 40%, 
        rgba(40, 167, 69, 0.35) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.6);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.6);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    font-size: 1rem;
}

.cta-button.primary {
    background-color: var(--green-accent);
    color: var(--white);
}

.cta-button.primary:hover {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.5);
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.cta-button.secondary:hover {
    background-color: var(--white);
    color: var(--dark-blue);
    transform: translateY(-2px);
}

/* Animações do Hero */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   SEÇÕES DE SERVIÇOS COM ÍCONES PROFISSIONAIS
   ======================================== */
.services-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    text-align: center;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-fast);
    text-align: center;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-blue);
}

.service-icon {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-blue);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover .service-icon {
    color: var(--green-accent);
    transform: scale(1.1);
}

.service-card h3 {
    font-family: var(--font-heading);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
}

.service-card p {
    color: var(--dark-gray);
    line-height: 1.8;
}

/* ========================================
   SEÇÃO DE CLIENTES - 3 LOGOS
   ======================================== */
.clients-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: center;
    justify-items: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.client-logo {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-fast);
    width: 100%;
    max-width: 220px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.client-image {
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter var(--transition-fast);
}

.client-logo:hover .client-image {
    filter: grayscale(0%);
}

/* ========================================
   SEÇÃO SOBRE NÓS COM IMAGEM DO PRÉDIO
   ======================================== */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

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

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--dark-gray);
}

.about-image {
    height: 450px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.about-building-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.about-image:hover .about-building-image {
    transform: scale(1.05);
}

/* ========================================
   SEÇÃO DE CONTATO
   ======================================== */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.contact-info ul {
    list-style: none;
}

.contact-info li {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    line-height: 1.8;
}

.contact-info strong {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info strong i {
    color: var(--green-accent);
}

.contact-info span {
    display: block;
    margin-top: 0.25rem;
    color: var(--dark-gray);
}

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--medium-gray);
    border-radius: 5px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

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

.form-group select {
    background-color: var(--white);
    cursor: pointer;
}

.submit-button {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.submit-button:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
}

/* ========================================
   RODAPÉ COM LOGO E ÍCONES PROFISSIONAIS
   ======================================== */
.main-footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
    border-radius: 5px;
}

.footer-column h3,
.footer-column h4 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-sm);
    color: var(--green-accent);
}

.footer-column p {
    line-height: 1.8;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-xs);
}

.footer-contact li i {
    color: var(--green-accent);
    margin-right: 0.5rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--green-accent);
}

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

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 1.2rem;
}

.social-icon:hover {
    background-color: var(--green-accent);
    transform: translateY(-3px);
}

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

/* ========================================
   RESPONSIVIDADE
   ======================================== */
@media (max-width: 768px) {
    /* Header Mobile */
    .hamburger {
        display: flex;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--dark-blue);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-fast);
    }
    
    .main-nav.active {
        max-height: 400px;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-sm);
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    /* Hero Mobile */
    .hero-section {
        height: 80vh;
        min-height: 500px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        max-width: 250px;
    }
    
    /* Grids */
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .client-logo {
        max-width: 250px;
    }
    
    .about-image {
        height: 300px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .logo-image {
        height: 35px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-info li {
        font-size: 0.95rem;
    }
    
    .contact-info span {
        font-size: 0.9rem;
    }
}

/* ========================================
   ANIMAÇÕES ADICIONAIS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.client-logo {
    animation: fadeIn 0.6s ease-out forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }