/* 
 * Solutio Digital - Estilos Principais
 */

/* === VARIÁVEIS === */
:root {
  /* Cores principais baseadas no logotipo */
  --azul-principal: #1A75BC;
  --verde-principal: #8DC63F;
  --azul-escuro: #0A2240;
  --preto: #000000;
  --branco: #FFFFFF;
  --cinza-claro: #F5F5F5;
  --cinza-medio: #CCCCCC;
  
  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Fontes */
  --font-primary: 'Roboto', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
  
  /* Tamanhos de fonte */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  
  /* Bordas */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Transições */
  --transition-fast: 0.3s ease;
  --transition-normal: 0.5s ease;
  --transition-slow: 0.8s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--azul-escuro);
  background-color: var(--branco);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: var(--azul-principal);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--verde-principal);
}

ul, ol {
  list-style: none;
}

/* === UTILITÁRIOS === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  position: relative;
  color: var(--azul-escuro);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--verde-principal);
  margin: var(--spacing-sm) auto;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background-color: var(--azul-principal);
  color: var(--branco);
}

.btn-primary:hover {
  background-color: var(--azul-escuro);
  color: var(--branco);
}

.btn-secondary {
  background-color: var(--verde-principal);
  color: var(--branco);
}

.btn-secondary:hover {
  background-color: #7AB62F;
  color: var(--branco);
}

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

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* === LAYOUT === */
/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--branco);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.header-scrolled {
  box-shadow: var(--shadow-md);
}

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

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

.logo img {
  height: 50px;
}

/* Navegação */
.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
}

.nav-item {
  margin-left: var(--spacing-md);
}

.nav-link {
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--verde-principal);
  transition: width var(--transition-fast);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--azul-escuro);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--cinza-claro);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 600px;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  /* color: var(--azul-escuro); */
  color: #FFFFFF;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  /* color: var(--azul-principal); */
  color: #FFFFFF;
}

/* Seções */
.about-section {
  background-color: var(--branco);
}

.clients-section {
  background-color: var(--cinza-claro);
}

.tech-section {
  background-color: var(--branco);
}

.services-section {
  background-color: var(--cinza-claro);
}

.competencies-section {
  background-color: var(--branco);
}

.contact-section {
  background-color: var(--cinza-claro);
}

/* Clientes */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  align-items: center;
  justify-items: center;
}

.client-item {
  padding: var(--spacing-sm);
  text-align: center;
  transition: transform var(--transition-fast);
}

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

/* Tecnologias */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.tech-item {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-fast);
  background-color: var(--branco);
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.tech-icon {
  font-size: var(--font-size-3xl);
  color: var(--azul-principal);
  margin-bottom: var(--spacing-sm);
}

/* Serviços */
.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.service-item {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  background-color: var(--branco);
}

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

.service-icon {
  color: var(--verde-principal);
  margin-right: var(--spacing-xs);
}

/* Competências */
.competencies-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.competency-item {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  background-color: var(--branco);
  display: flex;
  align-items: center;
}

.competency-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.competency-icon {
  font-size: var(--font-size-xl);
  color: var(--azul-principal);
  margin-right: var(--spacing-sm);
}

/* Formulário de Contato */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

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

.form-control {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--cinza-medio);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--azul-principal);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Botão WhatsApp */
.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: var(--branco);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-md);
  z-index: 999;
  transition: all var(--transition-fast);
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
  background-color: var(--azul-escuro);
  color: var(--branco);
  padding: var(--spacing-lg) 0;
}

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

.footer-logo img {
  height: 40px;
  margin-bottom: var(--spacing-sm);
}

.footer-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--branco);
}

.footer-social {
  display: block;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--branco);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--verde-principal);
  color: var(--branco);
}


.social-links {
  display: flex;
  gap: 10px;
  margin-top: 10px; /* Espaço entre título e ícones */
}

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

.legal-text {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-sm);
}

/* === RESPONSIVIDADE === */
@media (max-width: 768px) {
  .header-container {
    padding: var(--spacing-sm) var(--spacing-sm);
  }
  
  .nav-list {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--branco);
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
  }
  
  .nav-list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-item {
    margin: var(--spacing-xs) 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero {
    height: auto;
    padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .logo img {
    height: 40px;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .clients-grid,
  .tech-grid,
  .services-list,
  .competencies-list {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
}

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

.fade-in {
  animation: fadeIn var(--transition-normal) forwards;
}

.fade-in-delay-1 {
  animation-delay: 0.2s;
}

.fade-in-delay-2 {
  animation-delay: 0.4s;
}

.fade-in-delay-3 {
  animation-delay: 0.6s;
}

/* Inicialmente escondido para animação */
.hidden {
  opacity: 0;
}