/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Header Principal */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #4a4a5a;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 70px;
}

/* Logo */
.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1); /* Torna a imagem branca */
}

/* Navegação */
.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 0;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #f1c40f;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #f1c40f;
    transition: width 0.3s ease;
}

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

/* Botão de Contato */
.contact-button {
    flex-shrink: 0;
}

.btn-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #f1c40f;
    color: #333;
    border: none;
    border-radius: 25px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(241, 196, 15, 0.3);
}

.btn-contact:hover {
    background-color: #e6b800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(241, 196, 15, 0.4);
}

.btn-contact:active {
    transform: translateY(0);
}

.contact-icon {
    width: 18px;
    height: 18px;
}

.contact-text {
    white-space: nowrap;
}

/* Responsividade */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
        height: 60px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .nav-list {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .btn-contact {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .contact-text {
        display: none;
    }
    
    .contact-icon {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 10px;
    }
    
    .nav-list {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 13px;
    }
    
    .btn-contact {
        padding: 8px 12px;
        border-radius: 20px;
    }
}

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

.header {
    animation: fadeInDown 0.6s ease-out;
}

/* Efeito de scroll suave para os links internos */
html {
    scroll-behavior: smooth;
}

/* Ajuste para compensar o header fixo */
body {
    padding-top: 70px;
}

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }
}