style.css

:root {
  --azul-claro: #00b4d8;
  --azul-escuro: #03045e;
  --cor-texto: #f1f1f1;
  --cor-fundo: #121212;
  --cor-caixa: rgba(255, 255, 255, 0.08);
  --sombra-caixa: 0 8px 30px rgba(0,0,0,0.4);
  --borda-caixa: 1px solid rgba(255, 255, 255, 0.1);
  --gradiente-principal: linear-gradient(135deg, #00b4d8, #0077b6);
  --gradiente-hover: linear-gradient(135deg, #0077b6, #023e8a);
}

[data-theme="light"] {
  --cor-texto: #222;
  --cor-fundo: #f0f2f5;
  --cor-caixa: rgba(0, 0, 0, 0.05);
  --sombra-caixa: 0 8px 30px rgba(0,0,0,0.1);
  --borda-caixa: 1px solid rgba(0, 0, 0, 0.05);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  font-family: 'Outfit', sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--cor-fundo);
  color: var(--cor-texto);
  padding: 0;
  transition: background 0.4s, color 0.4s;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  flex-grow: 1;
}

/* Navegação */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  z-index: 1001;
  background: var(--cor-fundo);
  box-shadow: var(--sombra-caixa);
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--azul-claro);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  height: 30px;
  margin-right: 10px;
  border-radius: 50%;
}

.theme-button, .menu-button {
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--azul-claro);
  outline: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.theme-button:hover, .menu-button:hover {
  background-color: rgba(0, 180, 216, 0.1);
  transform: scale(1.1);
}

.theme-button svg {
  fill: var(--azul-claro) !important;
  width: 24px;
  height: 24px;
  display: block;
  filter: drop-shadow(0 0 2px rgba(0, 180, 216, 0.7));
  transition: 0.3s ease;
}

.menu-button div {
  height: 3px;
  background-color: var(--azul-claro);
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.4s;
  width: 25px;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100%;
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  transition: right 0.4s ease;
  padding-top: 80px;
  z-index: 1000;
  border-left: var(--borda-caixa);
  box-shadow: var(--sombra-caixa);
  backdrop-filter: blur(10px);
}

.sidebar.open {
  right: 0;
}

.sidebar a {
  display: block;
  padding: 1rem 2rem;
  color: var(--cor-texto);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar a:last-child {
  border-bottom: none;
}

.sidebar a:hover {
  background-color: rgba(0, 180, 216, 0.1);
  transform: translateX(5px);
  color: var(--azul-claro);
}

/* Tema */
.theme-button svg.sun {
  display: none;
}

[data-theme="dark"] .theme-button .sun {
  display: inline;
}

[data-theme="dark"] .theme-button .moon {
  display: none;
}

/* Animações */
section, header, footer {
  animation: fadeIn 1s ease;
}

@keyframes fadeIn {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Header */
header {
  text-align: center;
  padding: 8rem 1rem 4rem;
  position: relative;
}

header h1 {
  font-size: 4rem;
  color: var(--azul-claro);
  margin-bottom: 1rem;
  text-shadow: 0 0 15px rgba(0, 180, 216, 0.6);
  background: var(--gradiente-principal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header p {
  font-size: 1.5rem;
  margin-top: 1rem;
  color: #adb5bd;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Seções */
section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 2.5rem;
  background: var(--cor-caixa);
  border-radius: 20px;
  box-shadow: var(--sombra-caixa);
  backdrop-filter: blur(10px);
  border: var(--borda-caixa);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

section:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

section h2 {
  font-size: 2.5rem;
  color: #90e0ef;
  margin-bottom: 1.5rem;
  text-align: center;
  position: relative;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--gradiente-principal);
  border-radius: 2px;
}

section p {
  margin-bottom: 1rem;
  line-height: 1.8;
  font-size: 1.1rem;
}

section ul {
  list-style: none;
  padding-left: 0;
}

section ul li {
  margin: 0.8rem 0;
  padding-left: 2rem;
  position: relative;
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

section ul li:hover {
  transform: translateX(5px);
}

section ul li::before {
  content: '✅';
  position: absolute;
  left: 0;
  color: #00d9ff;
  font-size: 1.2rem;
}

/* Botão de Download */
.download {
  text-align: center;
  margin: 5rem 0 3rem 0;
}

.download a {
  position: relative;
  background: var(--gradiente-principal);
  color: #fff;
  padding: 1.5rem 3rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.3rem;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(0, 180, 216, 0.7);
  transition: all 0.4s ease;
  overflow: hidden;
  border: none;
  outline: none;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.download a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradiente-hover);
  transition: 0.6s;
  z-index: -1;
}

.download a:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 180, 216, 0.9);
}

.download a:hover::before {
  left: 0;
}

/* Footer */
footer {
  text-align: center;
  font-size: 1rem;
  color: #bbb;
  margin-top: 5rem;
  padding: 2rem 1rem;
  border-top: var(--borda-caixa);
  background: var(--cor-caixa);
}

/* Botão Voltar ao Topo */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: var(--gradiente-principal);
  color: white;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  outline: none;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 180, 216, 0.6);
}

/* Código Terminal */
.terminal-code {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.2rem;
  border-radius: 10px;
  font-family: 'Fira Code', monospace;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid rgba(0, 180, 216, 0.3);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  position: relative;
}

.terminal-code::before {
  content: '$ ';
  color: var(--azul-claro);
  font-weight: bold;
}

.terminal-code code {
  display: block;
  white-space: pre-wrap;
  color: #e0e0e0;
  font-size: 0.9rem;
}

/* Steps */
.step {
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-start;
  padding: 1rem;
  background: rgba(0, 180, 216, 0.05);
  border-radius: 10px;
  border-left: 4px solid var(--azul-claro);
  transition: all 0.3s ease;
}

.step:hover {
  background: rgba(0, 180, 216, 0.1);
  transform: translateX(5px);
}

.step-number {
  flex-shrink: 0;
  display: inline-flex;
  width: 30px;
  height: 30px;
  background: var(--gradiente-principal);
  color: white;
  border-radius: 50%;
  text-align: center;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-weight: bold;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(0, 180, 216, 0.4);
}

.step-content {
  flex-grow: 1;
}

/* Seletor de Idioma */
.language-selector {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.language-selector button {
  background: var(--cor-caixa);
  color: var(--cor-texto);
  border: var(--borda-caixa);
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
  font-weight: 600;
}

.language-selector button:hover {
  background: var(--azul-claro);
  color: white;
  box-shadow: 0 0 10px rgba(0, 180, 216, 0.5);
  transform: translateY(-2px);
}

.language-selector button.active {
  background: var(--gradiente-principal);
  color: white;
  box-shadow: 0 0 15px rgba(0, 180, 216, 0.7);
  border-color: var(--azul-claro);
}

/* Responsividade */
@media (max-width: 768px) {
  .top-bar {
    padding: 0.8rem 1rem;
  }
  
  header {
    padding: 6rem 1rem 3rem;
  }
  
  header h1 {
    font-size: 3rem;
  }
  
  header p {
    font-size: 1.2rem;
  }
  
  section {
    padding: 1.5rem;
    margin: 2rem auto;
  }
  
  section h2 {
    font-size: 2rem;
  }
  
  .download a {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }
  
  .sidebar {
    width: 250px;
  }
  
  #back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
  }
  
  .step-number {
    margin-bottom: 10px;
    margin-right: 0;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 2.5rem;
  }
  
  section {
    padding: 1rem;
  }
  
  .download a {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
}

/* Efeitos especiais */
.glow {
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    text-shadow: 0 0 5px rgba(0, 180, 216, 0.5);
  }
  to {
    text-shadow: 0 0 20px rgba(0, 180, 216, 0.8);
  }
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--cor-fundo);
}

::-webkit-scrollbar-thumb {
  background: var(--azul-claro);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0077b6;
}