/* ============================================================
   RESET CSS | Valtrix Soluções Digitais
   ============================================================ */

/* Reset Universal */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Remove listas padrão */
ul, ol {
  list-style: none;
}

/* Remove decoração de links */
a {
  text-decoration: none;
  color: inherit;
}

/* Tipografia básica */
body {
  font-family: 'Arial', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--cor-texto);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  padding-top: 6rem;
}

html {
  scroll-behavior: smooth;
}

/* Imagens responsivas */
img {
  max-width: 100%;
  display: block;
  height: auto;
}

/* Inputs e botões */
button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

/* ============================================================
   VARIÁVEIS ROOT | Paleta & Espaçamento
   ============================================================ */

:root {
  /* Paleta Valtrix */
  --cor-principal: #1F2A44; /* Azul Petróleo Escuro */
  --cor-destaque: #8FA6C8;   /* Cinza Azulado Claro */
  --cor-branco: #ffffff;
  --cor-preto: #000000;
  --cor-texto: #333333;

  /* Tipografia */
  --font-base: 'Arial', 'Helvetica Neue', Helvetica, sans-serif;

  /* Espaçamentos padrão */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 64px;

  /* Transições */
  --transicao-padrao: all 0.3s ease-in-out;
}

/* ============================================================
   CONTAINERS & GRID
   ============================================================ */

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Botão CTA padrão */
.btn-cta {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--cor-principal);
  color: var(--cor-branco);
  border-radius: 4px;
  transition: var(--transicao-padrao);
}

.btn-cta:hover {
  background-color: var(--cor-destaque);
  color: var(--cor-principal);
}

/* ============================================================
   HEADER | Valtrix
   ============================================================ */

.header {
  background-color: var(--cor-principal);
  padding: var(--spacing-md) 0;
  position: relative;
  z-index: 100;
  animation: fadeSlideDown 1s ease-out forwards;
  position: fixed;
  top: 0;
  width: 100%;
}

@keyframes fadeSlideDown {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.logo img {
  width: 4rem;
}

.nav .menu {
  display: flex;
  gap: var(--spacing-md);
}

.nav .menu li a {
  color: var(--cor-destaque);
  font-weight: 500;
  transition: var(--transicao-padrao);
}

.nav .menu li a:hover {
  color: var(--cor-destaque);
}

/* Botão Hamburguer Mobile */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--cor-destaque);
  display: block;
}

@media (max-width: 768px) {
  .nav .menu {
    display: none;
    flex-direction: column;
    background: var(--cor-branco);
    position: absolute;
    top: 70px;
    right: 0;
    width: 200px;
    padding: var(--spacing-md);
  }

  .nav .menu.show {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .btn-cta {
    display: none;
  }
}

/* ============================================================
   HERO | Valtrix
   ============================================================ */

.hero {
  background-color: var(--cor-principal);
  color: var(--cor-branco);
  padding: var(--spacing-xl) 0;
  text-align: center;
  animation: fadeUpHero 1.2s ease-out forwards;
}

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

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

@keyframes fadeUpHero {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   SOBRE NÓS | Valtrix
   ============================================================ */

.sobre {
  padding: var(--spacing-xl) 0;
  background-color: var(--cor-branco);
  color: var(--cor-texto);
  text-align: center;
}

.sobre-container {
  max-width: 800px;
}

.sobre h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--cor-principal);
}

.sobre p {
  margin-bottom: var(--spacing-lg);
}

.sobre-blocos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  text-align: left;
}

.sobre-bloco h3 {
  color: var(--cor-principal);
  margin-bottom: var(--spacing-sm);
}

.sobre-bloco p,
.sobre-bloco ul {
  line-height: 1.6;
}

.sobre-bloco ul li {
  margin-bottom: var(--spacing-sm);
}

/* Animação fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInBlock 1s ease forwards;
  animation-delay: 0.3s;
}

@keyframes fadeInBlock {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   SERVIÇOS | Valtrix
   ============================================================ */

.servicos {
  background-color: var(--cor-branco);
  color: var(--cor-texto);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.servicos-container h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--cor-principal);
}

.servicos-container > p {
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.servico-item {
  padding: var(--spacing-lg);
  border: 1px solid var(--cor-destaque);
  border-radius: 8px;
  transition: var(--transicao-padrao);
}

.servico-item:hover {
  background-color: var(--cor-destaque);
  color: var(--cor-principal);
}

.servico-item h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--cor-principal);
}

/* Animação fade-in */
.servico-item.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInBlock 1s ease forwards;
}

@keyframes fadeInBlock {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   DEPOIMENTOS | Valtrix
   ============================================================ */

.depoimentos {
  background-color: var(--cor-destaque);
  color: var(--cor-principal);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.depoimentos-container h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.depoimentos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.depoimento-item {
  background-color: var(--cor-branco);
  border-radius: 8px;
  padding: var(--spacing-lg);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: var(--transicao-padrao);
}

.depoimento-item:hover {
  transform: translateY(-5px);
}

.depoimento-item p {
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

.depoimento-item strong {
  font-weight: bold;
  color: var(--cor-texto);
}

/* Animação fade-in */
.depoimento-item.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInBlock 1s ease forwards;
}

@keyframes fadeInBlock {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   FAQ | Valtrix
   ============================================================ */

.faq {
  padding: var(--spacing-xl) 0;
  background-color: var(--cor-branco);
  color: var(--cor-texto);
  text-align: center;
}

.faq-container {
  max-width: 800px;
}

.faq h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--cor-principal);
}

.faq-item {
  border-bottom: 1px solid var(--cor-destaque);
  text-align: left;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: var(--spacing-md) 0;
  font-size: 1rem;
  font-weight: bold;
  color: var(--cor-principal);
  cursor: pointer;
  position: relative;
}

.faq-question::after {
  content: '▼';
  position: absolute;
  right: 0;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: var(--spacing-md);
}

/* ============================================================
   BLOG | Valtrix
   ============================================================ */

.blog {
  padding: var(--spacing-xl) 0;
  background-color: var(--cor-destaque);
  color: var(--cor-principal);
  text-align: center;
}

.blog-container h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.blog-container > p {
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  text-align: left;
}

.blog-post {
  background-color: var(--cor-branco);
  padding: var(--spacing-lg);
  border-radius: 8px;
  transition: var(--transicao-padrao);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.blog-post:hover {
  transform: translateY(-5px);
}

.blog-post h3 {
  margin-bottom: var(--spacing-sm);
}

.blog-post p {
  margin-bottom: var(--spacing-sm);
}

.blog-post a {
  color: var(--cor-principal);
  font-weight: bold;
  transition: var(--transicao-padrao);
}

.blog-post a:hover {
  color: var(--cor-texto);
}

/* Animação fade-in */
.blog-post.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInBlock 1s ease forwards;
}

/* ============================================================
   CONTATO | Valtrix
   ============================================================ */

.contato-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--cor-branco);
  color: var(--cor-texto);
  text-align: center;
}

.contato-section .section-title {
  font-size: 2rem;
  color: var(--cor-principal);
  margin-bottom: var(--spacing-md);
}

.contato-section .section-description {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

#contato-form {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--cor-destaque);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cor-principal);
  box-shadow: 0 0 0 2px rgba(31, 42, 68, 0.2);
}

#contato-form .btn-cta {
  display: inline-block;
}

#form-status {
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--cor-principal);
}

/* Animação fade-in opcional para todo o formulário */
#contato-form {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInBlock 1s ease forwards;
}

@keyframes fadeInBlock {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   FOOTER | Valtrix
   ============================================================ */

.footer {
  background-color: var(--cor-principal);
  color: var(--cor-branco);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-logo {
  max-width: 150px;
  margin-bottom: var(--spacing-sm);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-nav a {
  color: var(--cor-branco);
  transition: var(--transicao-padrao);
}

.footer-nav a:hover {
  color: var(--cor-destaque);
}

.footer-copy {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-cta h3 {
  margin-bottom: var(--spacing-sm);
}

.footer-cta .btn-cta {
  background-color: var(--cor-destaque);
  color: var(--cor-principal);
}

.footer-cta .btn-cta:hover {
  background-color: var(--cor-branco);
  color: var(--cor-principal);
}