/* Otimizações de Performance */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Reduzir animações para usuários com preferência */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:root {
  /* Cores Principais - Paleta Premium */
  --primary-color: #6366f1;
  --primary-hover: #5855eb;
  --primary-light: #818cf8;
  --secondary-color: #0ea5e9;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;
  --purple-accent: #8b5cf6;
  --pink-accent: #ec4899;
  --emerald-accent: #10b981;
  
  /* Gradientes Premium */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-premium: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
  --gradient-cyber: linear-gradient(135deg, #00c9ff 0%, #92fe9d 100%);
  --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-ocean: linear-gradient(135deg, #2196f3 0%, #21cbf3 100%);
  --gradient-fire: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
  --gradient-aurora: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  
  /* Tema Escuro Premium */
  --bg-primary: #0a0a0f;
  --bg-secondary: #151521;
  --bg-tertiary: #1e1e2e;
  --bg-quaternary: #262640;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-hover: rgba(255, 255, 255, 0.2);
  --card-bg: rgba(30, 30, 46, 0.6);
  --card-bg-hover: rgba(30, 30, 46, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.4);
  --shadow-color-hover: rgba(0, 0, 0, 0.6);
  --glow-primary: rgba(99, 102, 241, 0.4);
  --glow-secondary: rgba(139, 92, 246, 0.3);
  
  /* Fontes */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Espaçamentos Responsivos */
  --section-padding: clamp(60px, 10vw, 100px) 0;
  --container-padding: clamp(16px, 5vw, 24px);
  --card-padding: clamp(20px, 4vw, 32px);
  --spacing-xs: clamp(4px, 1vw, 8px);
  --spacing-sm: clamp(8px, 2vw, 16px);
  --spacing-md: clamp(16px, 3vw, 24px);
  --spacing-lg: clamp(24px, 4vw, 40px);
  --spacing-xl: clamp(32px, 6vw, 60px);
  
  /* Tamanhos de Fonte Responsivos */
  --font-size-xs: clamp(0.7rem, 1.8vw, 0.875rem);
  --font-size-sm: clamp(0.8rem, 2.2vw, 1rem);
  --font-size-base: clamp(0.9rem, 2.5vw, 1.125rem);
  --font-size-lg: clamp(1rem, 3vw, 1.25rem);
  --font-size-xl: clamp(1.1rem, 3.5vw, 1.5rem);
  --font-size-2xl: clamp(1.3rem, 4.5vw, 2rem);
  --font-size-3xl: clamp(2rem, 6vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 8vw, 4rem);
  
  /* Animações */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-navbar: 1000;
  --z-dropdown: 1050;
  --z-modal: 1100;
  --z-floating: 10;
  --z-hero-bg: -1;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px var(--shadow-color);
  --shadow-md: 0 4px 16px var(--shadow-color);
  --shadow-lg: 0 8px 32px var(--shadow-color);
  --shadow-xl: 0 12px 48px var(--shadow-color);
  --shadow-glow: 0 0 30px var(--glow-primary);
}

/* ========== TEMA CLARO PREMIUM ========== */
[data-bs-theme="light"] {
  /* Cores Tema Claro */
  --primary-color: #1877f2;
  --primary-hover: #166fe5;
  --primary-light: #42a5f5;
  
  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f0f2f5;
  --bg-tertiary: #e4e6eb;
  --bg-quaternary: #dadde1;
  
  /* Textos */
  --text-primary: #1c1e21;
  --text-secondary: #65676b;
  --text-tertiary: #8a8d91;
  
  /* Bordas e Cards */
  --border-color: rgba(0, 0, 0, 0.1);
  --border-color-hover: rgba(0, 0, 0, 0.2);
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-bg-hover: rgba(255, 255, 255, 1);
  
  /* Sombras */
  --shadow-color: rgba(0, 0, 0, 0.08);
  --shadow-color-hover: rgba(0, 0, 0, 0.12);
  --glow-primary: rgba(24, 119, 242, 0.25);
  --glow-secondary: rgba(24, 119, 242, 0.15);
  
  /* Gradientes Tema Claro */
  --gradient-primary: linear-gradient(135deg, #1877f2 0%, #42a5f5 100%);
  --gradient-secondary: linear-gradient(135deg, #42a5f5 0%, #1976d2 100%);
  --gradient-hero: linear-gradient(135deg, #1877f2 0%, #42a5f5 100%);
  
  /* Sombras Específicas */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(24, 119, 242, 0.2);
}

/* ========== RESET E BASE ========== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Scrollbar Personalizada */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}

/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--bg-secondary);
}

/* Seleção de texto */
::selection {
  background-color: var(--primary-color);
  color: white;
}

::-moz-selection {
  background-color: var(--primary-color);
  color: white;
}

/* Links base */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

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

/* ========== NAVBAR ========== */
.navbar {
  background: var(--card-bg);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-navbar);
}

.navbar.navbar-scrolled {
  box-shadow: var(--shadow-md);
  background: var(--card-bg-hover);
}

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary) !important;
  transition: transform var(--transition-fast);
  letter-spacing: -0.5px;
}

.navbar-brand:hover {
  transform: translateY(-2px);
}

.brand-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: var(--font-weight-bold);
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-md) !important;
  position: relative;
  transition: color var(--transition-fast);
  margin: 0 var(--spacing-xs);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}

/* Botão Tema */
.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-size: 1.2rem;
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: rotate(20deg) scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* Botão Contato Navbar */
.btn-contact {
  background: var(--gradient-primary);
  color: white !important;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-sm);
}

.btn-contact:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Navbar Toggler */
.navbar-toggler {
  border: 1px solid var(--border-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--glow-primary);
  border-color: var(--primary-color);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-bs-theme="light"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ========== HERO SECTION ========== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--section-padding);
  padding-top: calc(80px + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
  z-index: var(--z-hero-bg);
  animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { 
    opacity: 0.4;
    transform: scale(1);
  }
  50% { 
    opacity: 0.7;
    transform: scale(1.05);
  }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  text-shadow: 0 2px 20px rgba(99, 102, 241, 0.1);
  letter-spacing: -0.02em;
}

.typing-container {
  display: inline-block;
  min-height: 1.2em;
}

.typing-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: var(--font-weight-bold);
  font-size: 1.1em;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.typing-cursor {
  color: var(--primary-color);
  animation: blink 1s step-end infinite;
  font-weight: var(--font-weight-light);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  background: rgba(99, 102, 241, 0.03);
  border-left: 3px solid var(--primary-color);
}

.hero-image-container {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: 
    0 20px 60px rgba(99, 102, 241, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  z-index: 2;
  border: 3px solid rgba(99, 102, 241, 0.2);
  transition: all var(--transition-normal);
  will-change: transform;
  content-visibility: auto;
}

.hero-image:hover {
  transform: scale(1.02) translateY(-5px);
  box-shadow: 
    0 30px 80px rgba(99, 102, 241, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.15) inset;
  border-color: rgba(99, 102, 241, 0.4);
}

.hero-image-bg {
  position: absolute;
  top: 20px;
  right: -20px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius-xl);
  z-index: 1;
  opacity: 0.4;
  filter: blur(30px);
  animation: float 6s ease-in-out infinite;
}

/* Botões Hero */
.btn-lg {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-outline-light {
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.btn-outline-light::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

.btn-outline-light:hover::before {
  left: 100%;
}

.btn-outline-light:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

/* ========== SEÇÕES ========== */
section {
  padding: var(--section-padding);
  position: relative;
}

section:nth-child(even) {
  background: var(--bg-secondary);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-fast);
}

.section-badge:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== SOBRE SECTION ========== */
.about-content {
  padding: var(--spacing-lg);
}

.about-text {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.about-text strong {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

.about-stats {
  margin: var(--spacing-xl) 0;
}

.about-stats > [class*="col-"] {
  display: flex;
}

.stat-item {
  background: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
  line-height: 1.2;
  min-height: 1.2em;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  line-height: 1.3;
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.about-skills {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.skills-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.skill-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  cursor: default;
}

.skill-badge:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.skill-badge i {
  font-size: 1.2rem;
  color: var(--primary-color);
}

.about-visual {
  position: relative;
  padding: var(--spacing-lg);
}

.about-image-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
}

.about-image:hover {
  transform: scale(1.03);
}

.about-decorations {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.decoration-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.3;
  animation: float-decoration 8s ease-in-out infinite;
}

.decoration-1 {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  top: 10%;
  left: -50px;
  animation-delay: 0s;
}

.decoration-2 {
  width: 150px;
  height: 150px;
  background: var(--gradient-secondary);
  bottom: 10%;
  right: -75px;
  animation-delay: 2s;
}

.decoration-3 {
  width: 80px;
  height: 80px;
  background: var(--gradient-accent);
  top: 50%;
  right: -40px;
  animation-delay: 4s;
}

@keyframes float-decoration {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(180deg); }
}

.about-badge {
  position: absolute;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  background: var(--card-bg-hover);
  backdrop-filter: blur(20px);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  z-index: 2;
}

.about-badge i {
  font-size: 2rem;
  color: var(--primary-color);
}

.about-badge strong {
  display: block;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
}

.about-badge span {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.floating-cards {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: var(--card-bg-hover);
  backdrop-filter: blur(20px);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  animation: float 6s ease-in-out infinite;
}

.floating-card i {
  font-size: 1.2rem;
  color: var(--primary-color);
}

.card-1 {
  top: 5%;
  right: -10%;
  animation-delay: 0s;
}

.card-2 {
  top: 40%;
  left: -15%;
  animation-delay: 2s;
}

.card-3 {
  bottom: 25%;
  right: -5%;
  animation-delay: 4s;
}

/* ========== HABILIDADES SECTION ========== */
.skill-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  text-align: center;
  transition: all var(--transition-normal);
  height: 100%;
  opacity: 0;
  transform: translateY(30px);
}

.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-slow);
}

.skill-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-xl);
  background: var(--card-bg-hover);
}

.skill-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.skill-card:hover .skill-icon {
  transform: rotateY(180deg);
}

.skill-icon.bg-primary { background: var(--gradient-primary); }
.skill-icon.bg-success { background: var(--gradient-cyber); }
.skill-icon.bg-warning { background: var(--gradient-sunset); }
.skill-icon.bg-info { background: var(--gradient-ocean); }
.skill-icon.bg-danger { background: var(--gradient-fire); }
.skill-icon.bg-dark { background: var(--gradient-aurora); }

.skill-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.skill-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.skill-progress {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--spacing-md);
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ========== PROJETOS SECTION ========== */
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-slow);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.project-image-container {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-tech {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.tech-tag {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  color: #1e1e2e;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  display: inline-block;
  min-width: 80px;
  text-align: center;
}

/* Tech-tag no tema claro */
[data-bs-theme="light"] .tech-tag {
  background: rgba(30, 30, 46, 0.95);
  color: white;
  border: 1px solid rgba(30, 30, 46, 0.3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.project-content {
  padding: var(--card-padding);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.project-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.project-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: auto;
}

.project-link {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-align: center;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  border: 1px solid var(--border-color);
}

.project-link.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
}

.project-link.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========== CONTATO SECTION ========== */
.contact-form-container {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  box-shadow: var(--shadow-md);
}

.form-label {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.form-control {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-control:focus {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--glow-primary);
  outline: none;
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

.form-control.is-invalid {
  border-color: var(--danger-color);
}

.contact-info {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.contact-info-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--primary-color);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  min-width: 30px;
}

.contact-item a {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: color var(--transition-fast);
  word-break: break-word;
  overflow-wrap: break-word;
  flex: 1;
}

.contact-item a:hover {
  color: var(--primary-color);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  margin-top: var(--section-padding);
}

.footer-text {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

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

.footer-links a {
  width: 44px;
  height: 44px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
  position: relative;
}

.footer-links a::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: var(--bg-quaternary);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.footer-links a:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.footer-links a:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ========== RESPONSIVIDADE ========== */

/* Desktops grandes e monitores widescreen */
@media (min-width: 1400px) {
  .hero-title {
    font-size: 3.5rem !important;
  }
  
  .typing-text {
    font-size: 1.15em;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-image-container {
    max-width: 520px;
  }
  
  .btn-lg {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 1.0625rem;
  }
}

/* Notebooks e desktops médios */
@media (min-width: 992px) and (max-width: 1399px) {
  .hero-title {
    font-size: 3.2rem !important;
  }
  
  .typing-text {
    font-size: 1.1em;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-image-container {
    max-width: 480px;
  }
  
  .btn-lg {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }
}

/* Tablets e dispositivos médios */
@media (max-width: 991px) {
  .navbar {
    padding: 8px 0;
  }
  
  .navbar-collapse {
    background: var(--card-bg-hover);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    max-height: 70vh;
    overflow-y: auto;
  }
  
  .nav-link {
    padding: 12px var(--spacing-md) !important;
    margin: 4px 0;
    font-size: 1rem;
  }
  
  .btn-contact {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
    padding: 12px var(--spacing-md);
    font-size: 0.9rem;
  }
  
  .theme-toggle {
    margin-top: var(--spacing-md);
    width: 100%;
    height: 44px;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
    text-align: center;
  }
  
  .hero-subtitle {
    text-align: center;
    margin: 0 auto var(--spacing-lg);
  }
  
  .floating-card {
    display: none;
  }
  
  .about-badge {
    position: static;
    margin-top: var(--spacing-md);
  }
}

/* Smartphones */
@media (max-width: 767px) {
  .hero-section {
    padding-top: calc(70px + 30px);
    padding-bottom: 50px;
    min-height: auto;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  }
  
  .hero-section::before {
    opacity: 0.6;
  }
  
  .hero-title {
    font-size: 2.2rem;
    line-height: 1.25;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 28px;
    padding: 12px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.1);
  }
  
  .hero-image-container {
    max-width: 300px;
    margin-top: 40px;
  }
  
  .hero-image {
    border-radius: var(--radius-lg);
    box-shadow: 
      0 15px 40px rgba(99, 102, 241, 0.25),
      0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    border-width: 2px;
  }
  
  .hero-image-bg {
    filter: blur(25px);
    opacity: 0.5;
  }
  
  .typing-text {
    font-size: 1.05em;
    display: block;
    margin-top: 8px;
  }
  
  .typing-cursor {
    font-size: 1.2em;
  }
  
  .section-title {
    font-size: 1.5rem;
    text-align: center;
    line-height: 1.3;
    margin-bottom: 24px;
  }
  
  .section-badge {
    font-size: 0.75rem;
    padding: 6px 12px;
  }
  
  .about-content,
  .about-visual {
    padding: 16px;
  }
  
  .about-text {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
  }
  
  .stat-item {
    padding: 16px 12px;
    min-height: 100px;
    height: 100%;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.75rem;
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  .skill-badge {
    padding: 8px 10px;
    font-size: 0.8rem;
  }
  
  .skill-icon {
    width: 56px;
    height: 56px;
    font-size: 1.8rem;
  }
  
  .skill-title {
    font-size: 1rem;
  }
  
  .skill-description {
    font-size: 0.85rem;
    line-height: 1.5;
  }
  
  .project-card {
    margin-bottom: 20px;
  }
  
  .tech-tag {
    font-size: 0.7rem;
    padding: 5px 10px;
  }
  
  .project-title {
    font-size: 1.1rem;
  }
  
  .project-description {
    font-size: 0.85rem;
    line-height: 1.6;
  }
  
  .project-links {
    flex-direction: column;
    gap: 10px;
  }
  
  .project-link {
    padding: 10px 16px;
    font-size: 0.85rem;
  }
  
  .decoration-circle {
    display: none;
  }
  
  .btn-lg {
    width: 100%;
    justify-content: center;
    padding: 14px var(--spacing-lg);
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
  }
  
  .btn-outline-light {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
  }
  
  .d-flex.gap-3 {
    gap: 12px !important;
  }
}

/* Smartphones pequenos */
@media (max-width: 575px) {
  :root {
    --section-padding: 32px 0;
  }
  
  .hero-section {
    padding-top: calc(70px + 24px);
    padding-bottom: 40px;
  }
  
  .hero-title {
    font-size: 1.9rem;
  }
  
  .hero-subtitle {
    font-size: 0.9rem;
    padding: 10px;
  }
  
  .hero-image-container {
    max-width: 260px;
  }
  
  .navbar {
    padding: 6px 0;
  }
  
  .navbar-brand {
    font-size: 1.1rem;
  }
  
  .hero-section {
    padding-top: calc(65px + 16px);
  }
  
  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 12px;
  }
  
  .hero-subtitle {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 20px;
  }
  
  .hero-image-container {
    max-width: 240px;
  }
  
  .section-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
  }
  
  .about-stats {
    gap: 8px !important;
  }
  
  .stat-item {
    min-height: 75px;
    padding: 10px 6px;
    height: 100%;
  }
  
  .stat-number {
    font-size: 1.1rem;
  }
  
  .stat-label {
    font-size: 0.6rem;
  }
  
  .stat-label {
    font-size: 0.65rem;
    line-height: 1.2;
  }
  
  .about-skills {
    padding: 16px;
  }
  
  .skills-title {
    font-size: 0.95rem;
    margin-bottom: 12px;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .skill-badge {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  
  .skill-card {
    padding: 16px;
  }
  
  .project-card {
    margin-bottom: 16px;
  }
  
  .tech-tag {
    font-size: 0.65rem;
    padding: 4px 8px;
  }
  
  .contact-info,
  .contact-form-container {
    padding: 16px;
  }
  
  .contact-info-title {
    font-size: 1.1rem;
    margin-bottom: 16px;
  }
  
  .contact-item {
    flex-direction: row;
    align-items: flex-start;
    padding: 10px;
    gap: 12px;
    margin-bottom: 10px;
  }
  
  .contact-item i {
    font-size: 1.2rem;
    min-width: 24px;
  }
  
  .contact-item a {
    font-size: 0.8rem;
    line-height: 1.4;
  }
  
  .form-control {
    padding: 10px 12px;
    font-size: 0.9rem;
  }
  
  .form-label {
    font-size: 0.85rem;
    margin-bottom: 6px;
  }
  
  .btn-contact {
    padding: 10px 16px;
    font-size: 0.8rem;
  }
  
  .btn-lg {
    padding: 10px 20px;
    font-size: 0.85rem;
  }
  
  .footer {
    padding: 32px 0;
  }
  
  .footer-text {
    font-size: 0.75rem;
  }
  
  .footer-links a {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
}

/* Telas grandes e ultra-wide */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  .hero-title {
    font-size: 4.5rem;
  }
  
  .section-title {
    font-size: 3.5rem;
  }
}

/* Modo paisagem em smartphones */
@media (max-height: 600px) and (orientation: landscape) {
  .hero-section {
    min-height: auto;
    padding: calc(70px + 16px) 0 32px;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .hero-subtitle {
    font-size: 0.85rem;
    margin-bottom: 16px;
  }
  
  .hero-image-container {
    max-width: 220px;
  }
  
  .section-title {
    font-size: 1.3rem;
  }
  
  section {
    padding: 32px 0;
  }
}

/* Melhorias para toque em mobile */
@media (max-width: 991px) {
  /* Áreas de toque maiores */
  button,
  a,
  .btn,
  .nav-link,
  .theme-toggle {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Remover efeitos hover em touch devices */
  .project-card:hover,
  .skill-card:hover,
  .stat-item:hover {
    transform: none;
  }
  
  /* Animações mais suaves */
  * {
    transition-duration: 0.2s;
  }
  
  /* Scroll suave */
  html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Melhor legibilidade */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  
  /* Evitar zoom em inputs */
  input[type="text"],
  input[type="email"],
  textarea {
    font-size: 16px !important;
  }
  
  /* Cards mais espaçados */
  .project-card,
  .skill-card {
    margin-bottom: 16px;
  }
  
  /* Imagens responsivas */
  img {
    max-width: 100%;
    height: auto;
  }
}

/* Otimização para iPhone X e similares */
@supports (padding: max(0px)) {
  .navbar,
  .hero-section,
  .footer {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }
}

/* Preferências de movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print styles */
@media print {
  .navbar,
  .theme-toggle,
  .btn-contact,
  .floating-card,
  .footer-links {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .section-title {
    page-break-after: avoid;
  }
  
  .project-card,
  .skill-card {
    page-break-inside: avoid;
  }
}

/* ========== UTILITÁRIOS ========== */
.text-muted {
  color: var(--text-secondary) !important;
}

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

.w-100 {
  width: 100%;
}

.d-flex {
  display: flex;
}

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

.justify-content-center {
  justify-content: center;
}

.gap-3 {
  gap: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

/* Animação de carregamento da página */
body.loaded {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Estados de hover para acessibilidade */
@media (hover: hover) {
  button:hover,
  a:hover {
    cursor: pointer;
  }
}

/* Focus visible para acessibilidade com teclado */
*:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Loading states */
.loading {
  pointer-events: none;
  opacity: 0.6;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}