/* ============================================
   APEXPY - ESTILOS BASE - DARK THEME
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  color: var(--text-primary);
  background: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(0, 191, 99, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 191, 99, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(0, 191, 99, 0.05) 0%, transparent 50%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
}

main {
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
  color: var(--apexpy-green);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--apexpy-green);
  text-decoration: none;
  transition: all var(--transition-base);
}

a:hover {
  color: var(--apexpy-green-light);
  text-decoration: underline;
}

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

li {
  margin-bottom: var(--spacing-xs);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--apexpy-green);
}

/* Scrollbar Customizada - Dark Theme */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--apexpy-green);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--apexpy-green-light);
}

/* Seleção de Texto */
::selection {
  background: var(--apexpy-green);
  color: var(--text-inverse);
}

::-moz-selection {
  background: var(--apexpy-green);
  color: var(--text-inverse);
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--apexpy-green), var(--apexpy-green-light));
  z-index: 9999;
  transition: width 0.1s ease;
  box-shadow: 0 0 10px var(--apexpy-green);
}

/* Particles Background */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

/* Morphing Background */
.morphing-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 191, 99, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 191, 99, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(0, 191, 99, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: morphing 20s ease-in-out infinite;
}

@keyframes morphing {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1) rotate(5deg);
    opacity: 0.4;
  }
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background: var(--apexpy-green);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 100;
  box-shadow: var(--shadow-green);
}

.scroll-indicator.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-indicator:hover {
  background: var(--apexpy-green-light);
  transform: scale(1.1);
  box-shadow: var(--shadow-green-glow);
}

.scroll-indicator i {
  color: var(--text-inverse);
  font-size: 1.5rem;
}

/* Navigation Sidebar */
.nav-sidebar {
  position: fixed;
  left: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.nav-sidebar a {
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.nav-sidebar a:hover {
  color: var(--apexpy-green);
  background: rgba(0, 191, 99, 0.1);
  text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-sidebar {
    display: none;
  }
  
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
}