/*--------------------------------------------------------------
# Variáveis e Estilos Gerais
--------------------------------------------------------------*/
:root {
  --font-primary: "Poppins", sans-serif;
  --color-azul-petroleo-dark: #001219;
  --color-azul-petroleo-medium: #00253A;
  --color-ciano-accent: #00A9B5;
  --color-prata-accent: #9EAEB8;
  --color-branco: #FFFFFF;
  --color-texto: #E0E0E0;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-azul-petroleo-dark);
  color: var(--color-texto);
}

a {
  color: var(--color-ciano-accent);
  text-decoration: none;
  transition: 0.3s;
}

a:hover {
  color: var(--color-prata-accent);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--color-branco);
  font-weight: 700;
}

.section-bg {
  background-color: var(--color-azul-petroleo-medium);
}

/*--------------------------------------------------------------
# Scrollbar
--------------------------------------------------------------*/
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-azul-petroleo-dark);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-ciano-accent);
  border-radius: 10px;
  border: 3px solid var(--color-azul-petroleo-dark);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-prata-accent);
}

/*--------------------------------------------------------------
# Preloader
--------------------------------------------------------------*/
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-azul-petroleo-dark);
  display: flex;
  justify-content: center;
  align-items: center;
}

#preloader .preloader-container {
  text-align: center;
}

#preloader .preloader-animation {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 4px solid var(--color-ciano-accent);
  border-top-color: transparent;
  animation: preloader-spin 1s linear infinite;
  margin: 0 auto;
}

#preloader .preloader-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-branco);
  margin-top: 20px;
}

#preloader .preloader-logo span {
  color: var(--color-ciano-accent);
}

@keyframes preloader-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/*--------------------------------------------------------------
# Header & Navegação
--------------------------------------------------------------*/
.header {
  transition: all 0.5s;
  z-index: 997;
  padding: 25px 0;
  background: rgba(0, 21, 34, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 169, 181, 0.2);
}

.header.header-scrolled {
  padding: 20px 0;
}

.header .logo h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-branco);
  margin: 0;
}

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

.navbar ul {
  margin: 0;
  padding: 0;
  display: flex;
  list-style: none;
  align-items: center;
}

.navbar li {
  position: relative;
}

.navbar a, .navbar a:focus {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 15px;
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
  transition: 0.3s;
}

.navbar a:hover, .navbar .active, .navbar .active:focus, .navbar li:hover > a {
  color: var(--color-ciano-accent);
}

.btn-cta {
  background: transparent;
  border: 2px solid var(--color-ciano-accent);
  color: var(--color-ciano-accent);
  font-weight: 600;
  border-radius: 50px;
  padding: 8px 25px;
  transition: 0.3s;
}

.btn-cta:hover {
  background: var(--color-ciano-accent);
  color: var(--color-branco);
}

/*--------------------------------------------------------------
# Navegação Mobile
--------------------------------------------------------------*/
.mobile-nav-toggle {
  color: var(--color-branco);
  font-size: 28px;
  cursor: pointer;
  display: none;
  line-height: 0;
  transition: 0.5s;
  z-index: 9998;
}

@media (max-width: 991px) {
  .mobile-nav-toggle { display: block; }
  .navbar { display: none; }
}

.mobile-nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 18, 25, 0.9);
  z-index: 9997;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s, opacity 0.3s ease-in-out;
}

.navbar-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100%;
  background: var(--color-azul-petroleo-dark);
  transition: right 0.3s ease-in-out;
}

.navbar-mobile ul {
  list-style: none;
  padding: 20px;
  margin: 0;
}

.navbar-mobile a, .navbar-mobile a:focus {
  display: block;
  padding: 12px 15px;
  font-size: 18px;
  color: var(--color-branco);
}

.navbar-mobile a:hover, .navbar-mobile .active, .navbar-mobile .active:focus {
  color: var(--color-ciano-accent);
}

.mobile-nav-hide {
  position: absolute;
  top: 25px;
  right: 25px;
  font-size: 32px;
  cursor: pointer;
  color: var(--color-branco);
}

body.mobile-nav-active {
  overflow: hidden;
}

body.mobile-nav-active .mobile-nav-wrapper {
  visibility: visible;
  opacity: 1;
}

body.mobile-nav-active .navbar-mobile {
  right: 0;
}

/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
#hero {
  width: 100%;
  min-height: 100vh;
  background: url('https://images.unsplash.com/photo-1716784592039-4c81b8d1db15') center center;
  background-size: cover;
  background-attachment: fixed;
  position: relative;
}

#hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-azul-petroleo-dark) 5%, rgba(0, 18, 25, 0.6) 100%);
}

#hero .hero-subtitle {
  color: var(--color-ciano-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

#hero h2 {
  font-size: 64px;
  font-weight: 800;
}

#hero h2 span {
  color: var(--color-ciano-accent);
}

#hero .hero-tagline {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  margin: 20px auto 30px auto;
  max-width: 700px;
}

.btn-vibrant {
  font-weight: 700;
  font-size: 16px;
  padding: 14px 45px;
  border-radius: 50px;
  color: var(--color-branco);
  background: var(--color-ciano-accent);
  border: 2px solid var(--color-ciano-accent);
  transition: .3s;
}

.btn-vibrant:hover {
  color: var(--color-branco);
  background: transparent;
  box-shadow: none;
}

/*--------------------------------------------------------------
# Seções Gerais
--------------------------------------------------------------*/
section {
  padding: 80px 0;
  overflow: hidden;
}

.section-subtitle {
  display: inline-block;
  color: var(--color-ciano-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 20px;
  text-shadow: 0 0 8px rgba(0, 169, 181, 0.2);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

/*--------------------------------------------------------------
# Diferenciais Section
--------------------------------------------------------------*/
.diferenciais {
  padding: 60px 0;
}

.diferencial-item i {
  font-size: 42px;
  color: var(--color-ciano-accent);
  margin-bottom: 15px;
  display: inline-block;
}

.diferencial-item h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.diferencial-item p {
  font-size: 15px;
  color: var(--color-texto);
}

/*--------------------------------------------------------------
# Sobre Section
--------------------------------------------------------------*/
.sobre .about-content { 
  padding-left: 3rem; 
}

.sobre .about-image-container img { 
  border-radius: 15px; 
}

.sobre .pilares-container { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 15px; 
}

.sobre .pilar-item { 
  display: flex; 
  align-items: center; 
  background: var(--color-azul-petroleo-medium); 
  padding: 12px; 
  border-radius: 10px; 
}

.sobre .pilar-item i { 
  font-size: 24px; 
  color: var(--color-ciano-accent); 
  margin-right: 12px; 
}

.sobre .pilar-item h4 { 
  font-size: 14px; 
  margin: 0; 
  font-weight: 600; 
  color: var(--color-texto); 
}

/*--------------------------------------------------------------
# Serviços Section
--------------------------------------------------------------*/
.servicos .service-item {
  padding: 40px;
  background: var(--color-azul-petroleo-dark);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  height: 100%;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease-in-out;
  text-align: center;
}

.servicos .service-item:hover {
  transform: translateY(-10px);
  border-bottom-color: var(--color-ciano-accent);
}

.servicos .service-item .icon i {
  font-size: 48px;
  color: var(--color-ciano-accent);
  transition: 0.3s;
}

.servicos .service-item h3 {
  margin: 20px 0 15px 0;
  font-size: 22px;
}

.servicos .service-item .service-description {
  color: var(--color-texto);
  line-height: 1.6;
}

.btn-vibrant-outline {
  font-weight: 600;
  font-size: 16px;
  padding: 12px 40px;
  border-radius: 50px;
  color: var(--color-ciano-accent);
  border: 2px solid var(--color-ciano-accent);
  transition: .3s;
}

.btn-vibrant-outline:hover {
  background: var(--color-ciano-accent);
  color: var(--color-branco);
}

/*--------------------------------------------------------------
# Contato Section
--------------------------------------------------------------*/
.contato .contact-info h3 { 
  font-size: 28px; 
}

.contato .contact-info .info-item { 
  display: flex; 
  align-items: center; 
  margin-top: 25px; 
  font-size: 18px; 
  color: var(--color-branco); 
}

.contato .contact-info .info-item i { 
  font-size: 24px; 
  color: var(--color-ciano-accent); 
  margin-right: 15px; 
}

.contato .php-email-form { 
  background: var(--color-azul-petroleo-medium); 
  padding: 30px; 
  border-radius: 15px; 
  height: 100%; 
}

.contato .php-email-form .form-control { 
  background: var(--color-azul-petroleo-dark); 
  border: 1px solid rgba(255, 255, 255, 0.1); 
  border-radius: 10px; 
  color: var(--color-branco); 
  padding: 12px 15px; 
}

.contato .php-email-form .form-control::placeholder { 
  color: var(--color-texto); 
}

.contato .php-email-form button[type=submit] { 
  background: var(--color-ciano-accent); 
  border: 0; 
  padding: 12px 35px; 
  color: var(--color-branco); 
  transition: 0.4s; 
  border-radius: 50px; 
  font-weight: 600; 
}

.contato .php-email-form button[type=submit]:hover { 
  background: var(--color-prata-accent); 
  color: var(--color-azul-petroleo-dark); 
}

.php-email-form .loading, .php-email-form .error-message, .php-email-form .sent-message { 
  display: none; 
  padding: 15px; 
  font-weight: 600; 
  border-radius: 10px; 
  text-align: center; 
}

.php-email-form .loading { 
  background: #333; 
  color: var(--color-branco); 
}

.php-email-form .error-message { 
  color: #fff; 
  background: #df1b1b; 
}

.php-email-form .sent-message { 
  color: #fff; 
  background: var(--color-ciano-accent); 
}

/*--------------------------------------------------------------
# Footer
--------------------------------------------------------------*/
.footer {
  background: var(--color-azul-petroleo-medium);
  padding: 60px 0 30px 0;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer h2 span { 
  color: var(--color-ciano-accent); 
}

.footer .social-links a { 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  width: 40px; 
  height: 40px; 
  border-radius: 50%; 
  border: 1px solid rgba(255, 255, 255, 0.2); 
  font-size: 16px; 
  color: rgba(255, 255, 255, 0.7); 
  margin-right: 10px; 
  transition: 0.3s; 
}

.footer .social-links a:hover { 
  color: var(--color-branco); 
  border-color: var(--color-ciano-accent); 
}

.footer .footer-links h4 { 
  color: var(--color-branco); 
  font-size: 16px; 
  padding-bottom: 12px; 
}

.footer .footer-links ul { 
  list-style: none; 
  padding: 0; 
  margin: 0; 
}

.footer .footer-links ul li { 
  padding-bottom: 10px; 
}

.footer .footer-links ul a { 
  color: var(--color-texto); 
}

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

.footer .copyright { 
  text-align: center; 
  padding-top: 30px; 
  border-top: 1px solid rgba(255, 255, 255, 0.1); 
}

.dev-credit {
  font-size: 13px;
  color: var(--color-texto);
  opacity: 0.5;
  transition: 0.3s;
}

.dev-credit a {
  color: var(--color-ciano-accent);
  font-weight: 600;
  text-decoration: none;
}

.dev-credit:hover {
  opacity: 0.7;
}

/*--------------------------------------------------------------
# Botões Flutuantes
--------------------------------------------------------------*/
.scroll-top, .whatsapp-float {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50px;
  transition: all 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top {
  bottom: 15px;
  background: var(--color-ciano-accent);
}

.scroll-top.active {
  visibility: visible;
  opacity: 1;
}

.scroll-top i, .whatsapp-float i {
  font-size: 24px;
  color: var(--color-branco);
}

/*--------------------------------------------------------------
# Media Queries Responsivas
--------------------------------------------------------------*/
@media (max-width: 991px) {
  #hero h2 { font-size: 48px; }
  .sobre .about-content { padding-left: 0; margin-top: 30px; }
}

@media (max-width: 768px) {
  #hero h2 { font-size: 36px; }
  .section-title { font-size: 32px; }
}

@media (max-width: 576px) {
  #hero { min-height: 100vh; }
  .sobre .pilares-container { grid-template-columns: 1fr; }
}