/* Define CSS custom properties for theming */
:root {
  --color-bg: #0a0a0a; /* Primary background color (dark theme) */
  --color-bg-secondary: #1a1a1a;
  --color-text: #f0f0f0;
  --color-text-secondary: #cccccc;
  --color-accent: #3d85c6;
  --color-accent-light: #5a9bd5;
  --color-accent-glow: rgba(61, 133, 198, 0.6);
  --color-muted: #888888;
  --color-border: rgba(255,255,255,0.1);
  --color-card-bg: rgba(255,255,255,0.03);
  --color-card-hover: rgba(255,255,255,0.05);
  --font-primary: 'Playfair Display', serif;
  --font-secondary: 'Roboto', sans-serif;
  --transition-smooth: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --radius-md: 8px;
  --shadow-md: 0 10px 15px rgba(0,0,0,0.2);
  --shadow-lg: 0 20px 25px rgba(0,0,0,0.25);
  /* Particle colors for dark theme */
  --particle-neon-blue: rgba(0, 150, 255, 0.7);
  --particle-purple: rgba(150, 0, 255, 0.7);
  --particle-white: rgba(255, 255, 255, 0.9);
  --particle-connection: rgba(255, 255, 255, 0.2);
  /* Gradient colors */
  --gradient-primary: linear-gradient(135deg, var(--color-accent), #9b59b6);
  --gradient-secondary: linear-gradient(45deg, #3d85c6, #1e3c72);
  --gradient-accent: linear-gradient(to right, #3d85c6, #9b59b6);
  --gradient-border: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

/* Light theme overrides */
html[data-theme='light'] {
  --color-bg: #f0f0f0;
  --color-bg-secondary: #fff;
  --color-text: #0a0a0a;
  --color-text-secondary: #333;
  --color-muted: #666;
  --color-border: rgba(0,0,0,0.1);
  --color-card-bg: rgba(0,0,0,0.03);
  --color-card-hover: rgba(0,0,0,0.05);
  --color-accent-glow: rgba(61, 133, 198, 0.3);
  /* Particle colors for light theme */
  --particle-neon-blue: rgba(0, 100, 200, 0.7);
  --particle-purple: rgba(100, 0, 200, 0.7);
  --particle-white: rgba(0, 0, 0, 0.9);
  --particle-connection: rgba(0, 0, 0, 0.2);
  /* Gradient colors for light theme */
  --gradient-primary: linear-gradient(135deg, var(--color-accent), #8e44ad);
  --gradient-secondary: linear-gradient(45deg, #3d85c6, #1a365d);
  --gradient-border: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

/* Reset default browser styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-secondary); /* Roboto as base font */
  background: var(--color-bg);
  color: var(--color-text);
  transition: background 0.5s, color 0.5s;
  line-height: 1.6;
  cursor: none;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Container for content */
.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 clamp(1rem, 5vw, 2rem); /* Responsive padding */
}

/* Canvas for particle background */
#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1; /* Behind all content */
  pointer-events: none; /* Prevent interaction with canvas */
}

/* Futuristic text styling */
.futuristic-text {
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  position: relative;
}

.futuristic-heading {
  font-family: var(--font-primary);
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}

.futuristic-heading::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  transition: width 0.4s ease;
}

.futuristic-heading:hover::after {
  width: 100%;
}

/* Glass card effect */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: transform 0.4s var(--transition-smooth), box-shadow 0.4s;
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

html[data-theme='light'] .glass-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Gradient border effect */
.gradient-border {
  position: relative;
  border: none;
  background-clip: padding-box;
}

.gradient-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  z-index: -1;
  border-radius: inherit;
  animation: borderPulse 3s infinite;
}

@keyframes borderPulse {
  0% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.6;
  }
}

/* Glow button effect */
.glow-button {
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glow-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
  border-radius: inherit;
}

.glow-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--color-accent-glow);
}

.glow-button:hover::before {
  opacity: 1;
}

/* Animation for elements entering viewport */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}


/* Header styles */
.header { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  background: rgba(255, 255, 255, 0.4); /* Mais transparente no topo */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100; 
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); /* Transição mais suave */
  border-bottom: 1px solid transparent; /* Borda inicialmente transparente */
}

/* Tema escuro - header no topo */
html[data-theme='dark'] .header {
  background: rgba(10, 10, 10, 0.3); /* Mais transparente no tema escuro */
}

/* Header com scroll */
.header.scrolled { 
  background: rgba(255, 255, 255, 0.9); /* Menos transparente ao rolar */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* Borda sutil ao rolar */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Tema escuro - header com scroll */
html[data-theme='dark'] .header.scrolled {
  background: rgba(10, 10, 10, 0.9); /* Menos transparente ao rolar */
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Ajuste na transição do blur para suavizar */
.header {
  transition: background 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
              backdrop-filter 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              border-bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  padding: 1rem 0;
}

.logo { 
  font-size: 1.6rem; 
  font-weight: 700; 
  letter-spacing: 1px; 
}

.nav-links { 
  display: flex; 
  gap: 2rem; 
}

.nav-link { 
  font-weight: 500; 
  position: relative; 
  transition: color 0.4s; 
  font-family: var(--font-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

.nav-link.cv-link { 
  display: flex; 
  align-items: center; 
  gap: 0.3rem; 
}

.menu-toggle { 
  display: none; 
  flex-direction: column; 
  gap: 5px; 
  background: none; 
  border: none; 
  cursor: pointer; 
}

.menu-toggle span { 
  width: 30px; 
  height: 3px; 
  background: var(--color-text); 
  border-radius: 2px; 
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.theme-toggle { 
  background: none; 
  border: none; 
  color: var(--color-text); 
  cursor: pointer; 
  font-size: 1.25rem; 
  margin-left: 1.5rem; 
}

.theme-toggle .sun { 
  display: none; 
}

html[data-theme='light'] .theme-toggle .sun { 
  display: inline; 
}

html[data-theme='light'] .theme-toggle .moon { 
  display: none; 
}

/* Hero section */
.hero { 
  height: 100vh; 
  display: flex; 
}

.split-half { 
  flex: 1; 
  position: relative; 
  overflow: hidden; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  transition: flex 0.8s var(--transition-smooth); 
}

.split-half:hover { 
  flex: 1.5; 
}

.split-photo-container { 
  position: absolute; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
}

.split-photo { 
  width: 100%; 
  height: 100%; 
  background-size: cover; 
  background-position: center; 
  transition: transform 0.8s ease;
}

.split-half:hover .split-photo {
  transform: scale(1.05);
}

.left-photo { 
  background-image: url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?auto=format&fit=crop&w=1964&q=80'); 
}

.right-photo { 
  background-image: url('https://images.unsplash.com/photo-1555099962-4199c345e5dd?auto=format&fit=crop&w=1770&q=80'); 
}

.split-overlay { 
  position: absolute; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
  background: rgba(10,10,10,0.6); 
  z-index: 1; 
  transition: background 0.5s; 
}

html[data-theme='light'] .split-overlay { 
  background: rgba(240,240,240,0.6); 
}

.split-content { 
  position: relative; 
  z-index: 2; 
  text-align: center; 
  padding: 2rem; 
  opacity: 0; 
  transform: translateY(30px); 
  transition: all 1s ease 0.3s; 
}

.split-half.active .split-content { 
  opacity: 1; 
  transform: translateY(0); 
}

.split-title { 
  font-size: clamp(2.5rem, 5vw, 4rem); 
  font-weight: 700; 
  margin-bottom: 1rem; 
}

.split-title span { 
  color: var(--color-accent); 
  position: relative;
  display: inline-block;
}

.split-title span::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s ease;
}

.split-half:hover .split-title span::after {
  transform: scaleX(1);
  transform-origin: left;
}

.split-subtitle { 
  font-size: clamp(1rem, 2vw, 1.1rem); 
  color: var(--color-text-secondary); 
  margin-bottom: 2rem; 
  font-family: var(--font-secondary);
}

.split-cta { 
  display: inline-block; 
  padding: 0.8rem 2rem; 
  border: 1px solid var(--color-text); 
  border-radius: 30px; 
  font-weight: 500; 
  text-transform: uppercase; 
  font-size: 0.9rem; 
  transition: background 0.4s, color 0.4s, border 0.4s, transform 0.4s, box-shadow 0.4s; 
}

.split-cta:hover { 
  background: var(--color-accent); 
  color: #fff; 
  border-color: var(--color-accent); 
  transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--color-accent-glow);
}

.scroll-indicator { 
  position: absolute; 
  bottom: 2rem; 
  left: 50%; 
  transform: translateX(-50%); 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  z-index: 3; 
  opacity: 0; 
  animation: fadeIn 1s 2s forwards; 
}

.scroll-indicator span { 
  font-size: 0.8rem; 
  letter-spacing: 2px; 
  margin-bottom: 0.5rem; 
  opacity: 0.7; 
}

.scroll-arrow { 
  width: 20px; 
  height: 30px; 
  border: 2px solid var(--color-text); 
  border-radius: 10px; 
  position: relative; 
}

.scroll-arrow::before { 
  content: ''; 
  position: absolute; 
  top: 6px; 
  left: 50%; 
  width: 4px; 
  height: 4px; 
  background: var(--color-text); 
  border-radius: 50%; 
  transform: translateX(-50%); 
  animation: scrollDown 2s infinite; 
}

@keyframes scrollDown {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

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

/* About section */
.section {
  padding: 8rem 0;
  position: relative;
}

.section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient-border);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content {
  padding: 2rem;
  border-radius: var(--radius-md);
}

.about-content h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  font-family: var(--font-primary);
}

.about-content p {
  color: var(--color-text-secondary);
  font-family: var(--font-secondary);
}

/* Efeito de borda com degradê transparente para container ou imagem */
.about-image .image-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 4px; /* espaço para a borda */
  width: 80%;
  max-width: 350px;
  aspect-ratio: 1 / 1.1; /* quase quadrado */
  margin: 0 auto;
  /* Gradiente de borda */
  background: linear-gradient(90deg, #a1c4fd, #c2e9fb);
  /* Para efeito blur/fade nas bordas internas */
  box-shadow: 0 0 30px rgba(162, 196, 253, 0.3); /* leve brilho azulado */
}

/* Pseudo-elemento para efeito fumaça nas bordas */
.about-image .image-container::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.15) 40%, transparent 70%),
    radial-gradient(circle at top left, rgba(200,200,255,0.1) 20%, transparent 60%),
    radial-gradient(circle at bottom right, rgba(180,180,255,0.12) 30%, transparent 70%);
  filter: blur(15px);
  mix-blend-mode: screen;
  z-index: 2;
}

/* Imagem com foco no rosto e bordas transparentes */
.about-image .image-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%; /* corta parte inferior */
  object-fit: cover;
  object-position: center top; /* foco no rosto */
  border-radius: var(--radius-md);
  opacity: 0.9;
  transition: transform 0.8s ease;
  /* Máscara para fade nas bordas */
  -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 75%, rgba(0,0,0,0) 100%);
  mask-image: radial-gradient(circle, rgba(0,0,0,1) 75%, rgba(0,0,0,0) 100%);
  z-index: 1;
}

.about-image .image-container:hover img {
  transform: scale(1.05);
}

/* Skills section */
.skills { 
  margin-top: 2rem; 
}

.skill-category { 
  margin-bottom: 1.5rem; 
}

.skill-category h3 { 
  font-size: 1.1rem; 
  color: var(--color-accent); 
  font-family: var(--font-primary);
  margin-bottom: 0.8rem;
}

.skill-tags { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 0.7rem; 
}

.skill-tags span { 
  font-size: 0.9rem; 
  padding: 0.5rem 1rem; 
  background: rgba(255,255,255,0.05); 
  border-radius: 30px; 
  transition: all 0.4s; 
  position: relative;
  overflow: hidden;
}

.skill-tags span::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
}

html[data-theme='light'] .skill-tags span { 
  background: rgba(0,0,0,0.05); 
  color: var(--color-text); 
}

.skill-tags span:hover { 
  color: #fff; 
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.skill-tags span:hover::before {
  opacity: 1;
}

/* Services section - Versão com bordas brilhantes */
.services-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem; 
  margin-top: 2rem; 
}

.service-card {
  flex: 1;
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  overflow: hidden; /* Importante para conter o pseudo-elemento */
}

/* Efeito de borda brilhante */
.service-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s var(--transition-smooth);
}

.service-card:hover::before {
  opacity: 1;
}

/* Container interno para o conteúdo */
.service-card-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Atualização dos ícones nos service cards */
.service-card i {
  font-size: 2.5rem;
  color: var(--color-accent); /* Cor inicial usando a variável de tema */
  margin-bottom: 1rem;
  transition: all 0.4s var(--transition-smooth);
  /* Removemos o gradiente anterior */
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
}

.service-card:hover i {
  color: #fff; /* Branco puro no hover */
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.7); /* Efeito glow suave */
  transform: scale(1.1);
}

/* Versão alternativa para ícones SVG */
.service-card svg {
  fill: var(--color-accent);
  transition: all 0.4s var(--transition-smooth);
}

.service-card:hover svg {
  fill: #fff;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.5));
}
/* Efeito de pulsação sutil no hover */
@keyframes iconPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1.1); }
}

.service-card:hover i {
  animation: iconPulse 0.6s var(--transition-smooth) forwards;
}
/* Garantindo contraste no tema claro */
html[data-theme='light'] .service-card i {
  color: var(--color-accent); /* Mantém a cor de destaque no tema claro */
}

html[data-theme='light'] .service-card:hover i {
  color: #fff; /* Branco no hover mesmo no tema claro */
}

.service-card h3 {
  font-family: var(--font-primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
  color: var(--color-text);
}

.service-card p {
  color: var(--color-text-secondary);
  font-family: var(--font-secondary);
  margin-top: auto; /* Alinha o texto na parte inferior */
}

/* Estilo mínimo para o ícone com iluminação */
.service-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  display: inline-block;
  position: relative;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  text-shadow: 0 0 8px transparent;
  filter: drop-shadow(0 0 5px transparent);
}

/* Efeito de neon ao passar o mouse */
.service-card:hover .service-icon {
  animation: iconGlow 1.5s ease-in-out infinite alternate;
  transform: scale(1.1) translateY(-5px);
}

/* Animação de pulsação suave */
@keyframes iconGlow {
  from {
    text-shadow: 0 0 5px var(--color-accent-glow);
    filter: drop-shadow(0 0 5px var(--color-accent-glow));
  }
  to {
    text-shadow: 0 0 15px var(--color-accent-glow),
                 0 0 20px var(--color-accent-glow);
    filter: drop-shadow(0 0 10px var(--color-accent-glow));
  }
}

/* Versão alternativa sem animação (caso prefira) */
.service-icon.glow {
  text-shadow: 0 0 10px var(--color-accent-glow);
  filter: drop-shadow(0 0 8px var(--color-accent-glow));
}

.service-icon.glow:hover {
  text-shadow: 0 0 15px var(--color-accent-glow),
               0 0 25px var(--color-accent-glow);
  filter: drop-shadow(0 0 12px var(--color-accent-glow));
}

.service-card h3 {
  font-family: var(--font-primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.service-card p {
  color: var(--color-text-secondary);
  font-family: var(--font-secondary);
}

/* Carousel for design projects */
.carousel-container { 
  overflow: hidden; 
  position: relative; 
  margin: 3rem 0;
}

.carousel-track { 
  display: flex; 
  width: fit-content; 
  transition: transform 0.5s; 
}

.project-card { 
  flex-shrink: 0; 
  width: 350px; 
  margin-right: 2rem; 
  background: var(--color-card-bg); 
  border-radius: var(--radius-md); 
  overflow: hidden; 
  transition: all 0.4s; 
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  z-index: -1;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s;
}

.project-card:hover { 
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg); 
}

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

.project-image { 
  height: 220px; 
  overflow: hidden; 
}

.project-image img { 
  width: 100%; 
  height: 100%; 
  object-fit: cover; 
  transition: transform 0.8s; 
}

.project-card:hover .project-image img { 
  transform: scale(1.05); 
}

.project-info { 
  padding: 1.2rem; 
}

.project-title { 
  font-size: 1.3rem; 
  font-weight: 600; 
  margin-bottom: 0.5rem; 
  font-family: var(--font-primary);
}

.project-description { 
  font-size: 0.97rem; 
  color: var(--color-muted); 
  margin-bottom: 1rem; 
  font-family: var(--font-secondary);
}

.project-tags { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 0.5rem; 
}

.project-tag { 
  font-size: 0.8rem; 
  padding: 0.2rem 0.7rem; 
  background: rgba(255,255,255,0.05); 
  border-radius: 16px; 
  transition: all 0.3s;
}

.project-tag:hover {
  background: var(--color-accent);
  color: #fff;
}

html[data-theme='light'] .project-tag { 
  background: rgba(0,0,0,0.05); 
  color: var(--color-text); 
}

/* Tabs for code projects */
.tabs-nav { 
  display: flex; 
  justify-content: center; 
  gap: 1rem; 
  margin-bottom: 2rem; 
}

.tab-btn { 
  background: none; 
  border: none; 
  color: var(--color-muted); 
  font-family: var(--font-primary); 
  font-size: 1rem; 
  padding: 0.5rem 1.5rem; 
  cursor: pointer; 
  transition: all 0.4s; 
  position: relative;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.tab-btn.active { 
  color: var(--color-text); 
}

.tab-btn.active::after {
  width: 100%;
}

.tabs-content-container { 
  min-height: 400px; 
}

.tabs-content { 
  display: none; 
  opacity: 0; 
  transition: opacity 0.5s; 
}

.tabs-content.active { 
  display: flex; 
  flex-direction: column; 
  gap: 2.5rem; 
  opacity: 1; 
}

/* Code project styles */
.code-project { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 2rem; 
  align-items: center; 
  background: var(--color-card-bg); 
  border-radius: var(--radius-md); 
  padding: 1.5rem; 
  transition: all 0.4s; 
  position: relative;
  overflow: hidden;
}

.code-project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
}

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

.code-project:hover::before {
  opacity: 0.05;
}

.code-preview { 
  border-radius: var(--radius-md); 
  overflow: hidden; 
  box-shadow: var(--shadow-lg); 
}

.browser-mockup { 
  background: var(--color-bg-secondary); 
  border-radius: var(--radius-md); 
  border: 1px solid var(--color-border); 
}

.browser-bar { 
  height: 32px; 
  background: var(--color-card-hover); 
  display: flex; 
  align-items: center; 
  padding: 0 1rem; 
}

.browser-dots { 
  display: flex; 
  gap: 6px; 
}

.browser-dot { 
  width: 10px; 
  height: 10px; 
  border-radius: 50%; 
}

.browser-dot:nth-child(1) { 
  background: #ff5f56; 
}

.browser-dot:nth-child(2) { 
  background: #ffbd2e; 
}

.browser-dot:nth-child(3) { 
  background: #27c93f; 
}

.browser-content { 
  padding: 1rem; 
}

.browser-content img { 
  width: 100%; 
  border-radius: var(--radius-md); 
  transition: transform 0.5s ease;
}

.code-project:hover .browser-content img {
  transform: scale(1.03);
}

.code-info { 
  padding: 1rem; 
}

.code-title { 
  font-size: 1.3rem; 
  font-weight: 600; 
  margin-bottom: 1rem; 
  font-family: var(--font-primary);
}

.code-description { 
  margin-bottom: 1rem; 
  color: var(--color-muted); 
  font-family: var(--font-secondary);
}

.tech-stack { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 0.5rem; 
  margin-bottom: 1rem; 
}

.tech-item { 
  font-size: 0.8rem; 
  padding: 0.2rem 0.7rem; 
  background: rgba(255,255,255,0.05); 
  border-radius: 16px; 
  transition: all 0.3s;
}

.tech-item:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

html[data-theme='light'] .tech-item { 
  background: rgba(0,0,0,0.05); 
  color: var(--color-text); 
}

.code-links { 
  display: flex; 
  gap: 1rem; 
}

.code-link { 
  display: inline-block; 
  padding: 0.7rem 1.2rem; 
  border-radius: 30px; 
  font-weight: 500; 
  transition: all 0.4s; 
}

.primary-link { 
  background: var(--color-accent); 
  color: #fff; 
}

.secondary-link { 
  background: transparent; 
  border: 1px solid var(--color-border); 
}

.code-link:hover { 
  transform: translateY(-2px); 
  box-shadow: var(--shadow-md); 
}

.primary-link:hover { 
  background: var(--color-accent-light); 
}

.secondary-link:hover { 
  border-color: var(--color-accent); 
  color: var(--color-accent); 
}

/* Contact section */
.contact-links { 
  display: flex; 
  flex-direction: column; 
  gap: 1.5rem; 
  max-width: 600px; 
  margin: 0 auto; 
}

.contact-link { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 1.1rem; 
  border-radius: var(--radius-md); 
  transition: all 0.4s; 
}

.contact-link:hover { 
  transform: translateX(8px); 
}

.link-label { 
  font-size: 1rem; 
  font-weight: 600; 
  color: var(--color-accent); 
  font-family: var(--font-primary);
}

.link-value { 
  font-size: 1.05rem; 
  color: var(--color-text); 
  font-family: var(--font-secondary);
}

/* Footer styles */
.footer { 
  padding: 2rem 0; 
  border-top: 1px solid var(--color-border); 
  position: relative;
  background: rgba(10, 10, 10, 0.9); /* Dark theme */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.5s var(--transition-smooth), backdrop-filter 0.5s var(--transition-smooth);
}

html[data-theme='light'] .footer {
  background: rgba(255, 255, 255, 0.9); /* Light theme */
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: var(--gradient-border);
}

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

.footer-links { 
  display: flex; 
  gap: 1.2rem; 
}

/* Footer buttons - unchanged */
.footer-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
  background: var(--gradient-primary);
  color: white !important;
  margin: 0.5rem;
  box-shadow: 0 4px 15px var(--color-accent-glow);
  text-decoration: none !important;
}

.footer-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
}

.footer-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--color-accent-glow);
}

.footer-links a:hover::before {
  opacity: 1;
}

/* Social media icons in footer */
.footer .social-links a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-card-bg);
  margin: 0 0.5rem;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  color: var(--color-text); /* #f0f0f0 in dark */
}

/* CHANGED: Force black icons in light theme */
html[data-theme='light'] .footer .social-links a {
  color: #0a0a0a !important; /* Explicit black */
  background: rgba(0, 0, 0, 0.05);
}

.footer .social-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
}

.footer .social-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--color-accent-glow);
  color: white !important;
}

.footer .social-links a:hover::before {
  opacity: 1;
}

/* CHANGED: Higher specificity for Font Awesome icons */
.footer .social-links a i.fab {
  color: inherit !important;
  transition: transform 0.3s ease, color 0.3s ease;
}

/* NEW: Explicit black for icons in light theme */
html[data-theme='light'] .footer .social-links a i.fab {
  color: #0a0a0a !important;
}

.footer .social-links a:hover i.fab {
  transform: scale(1.2);
  color: white !important;
}

/* Cursor adjustments */
.header .cursor, .header .cursor-follower,
.footer .cursor, .footer .cursor-follower {
  mix-blend-mode: normal;
}
/* Modern Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 1.5rem;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  opacity: 0.9;
  transform: scale(0.9);
  box-shadow: 
    0 0 0 1px rgba(255,255,255,0.1),
    0 5px 20px rgba(0,0,0,0.2);
}

#back-to-top:hover {
  opacity: 1;
  transform: scale(1) translateY(-5px);
  background: var(--color-accent);
  color: #fff;
  box-shadow: 
    0 0 0 1px rgba(255,255,255,0.2),
    0 8px 25px var(--color-accent-glow);
  border-color: transparent;
}

/* Efeito de brilho interno no hover */
#back-to-top::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
}

#back-to-top:hover::after {
  opacity: 0.3;
}

/* Ícone animado */
#back-to-top i {
  transition: transform 0.4s var(--transition-smooth);
}

#back-to-top:hover i {
  transform: translateY(-3px);
}

/* Efeito de onda ao clicar */
#back-to-top:active {
  animation: pulse 0.5s;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(61, 133, 198, 0.7);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(61, 133, 198, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(61, 133, 198, 0);
  }
}
/* Custom cursor styles */
.cursor, .cursor-follower { 
  position: fixed; 
  border-radius: 50%; 
  pointer-events: none; 
  z-index: 9999; 
  mix-blend-mode: difference; 
}

.cursor { 
  width: 8px; 
  height: 8px; 
  background: var(--color-accent); 
  transform: translate(-50%, -50%); 
  transition: transform 0.1s, background 0.5s; 
}

.cursor-follower { 
  width: 40px; 
  height: 40px; 
  border: 1px solid var(--color-accent); 
  opacity: 0.5; 
  transform: translate(-50%, -50%); 
  transition: width 0.3s, height 0.3s, border 0.5s; 
}

/* Responsive styles */
@media (max-width: 992px) {
  .about-grid, .code-project { 
    grid-template-columns: 1fr; 
  }
  
  .about-image {
    order: -1;
  }
  
  .about-image .image-container {
    height: 300px;
  }
  
  .carousel-track .project-card { 
    width: 270px; 
  }
}

@media (max-width: 768px) {
  html { 
    font-size: 14px; 
  }
  
  .split-container { 
    flex-direction: column; 
  }
  
  .split-half { 
    height: 50vh; 
  }
  
  .nav-links { 
    display: none; 
    flex-direction: column; 
    position: fixed; 
    top: 0; 
    right: -100%; 
    width: 70%; 
    height: 100vh; 
    background: var(--color-bg-secondary); 
    padding-top: 6rem; 
    box-shadow: -4px 0 20px rgba(0,0,0,0.2); 
    transition: right 0.4s; 
  }
  
  .nav-links.active { 
    display: flex; 
    right: 0; 
  }
  
  .menu-toggle { 
    display: flex; 
  }
  
  .section {
    padding: 6rem 0;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .split-title { 
    font-size: clamp(1.8rem, 8vw, 2.5rem); 
  }
  
  .section { 
    padding: 5rem 0; 
  }
  
  .carousel-track .project-card { 
    width: 180px; 
  }
  
  .tabs-nav {
    flex-wrap: wrap;
  }
  
  .contact-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Theme toggle button */
.theme-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s;
  overflow: hidden;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
}

.theme-toggle:hover { 
  transform: rotate(20deg); 
}

.theme-toggle:hover::before {
  opacity: 0.2;
}

.theme-toggle i { 
  font-size: 1.2rem; 
  transition: opacity 0.3s ease;
  position: relative;
  z-index: 1;
}

.theme-toggle .sun { 
  display: none; 
}

html[data-theme='light'] .theme-toggle .sun { 
  display: inline; 
}

html[data-theme='light'] .theme-toggle .moon { 
  display: none; 
}
html[data-theme='dark'] .theme-toggle .sun {
  display: none; 
}
/* Reusable button styles - consistent across all sections */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  font-weight: 500;
  font-family: var(--font-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--color-accent-glow);
}

.btn:hover::before {
  opacity: 1;
}

.btn i {
  margin-right: 0.5rem;
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.btn:hover i {
  transform: translateX(3px);
}

/* Secondary button variation */
.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  box-shadow: none;
}

.btn-secondary:hover {
  color: white;
  border-color: transparent;
}

/* Apply to existing buttons */
.split-cta,
.code-link.primary-link,
.service-card .btn,
.project-card .btn,
.contact-link .btn {
  /* Reset existing styles */
  all: unset;
  /* Apply new button styles */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  font-weight: 500;
  font-family: var(--font-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.split-cta::before,
.code-link.primary-link::before,
.service-card .btn::before,
.project-card .btn::before,
.contact-link .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
}

.split-cta:hover,
.code-link.primary-link:hover,
.service-card .btn:hover,
.project-card .btn:hover,
.contact-link .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--color-accent-glow);
}

.split-cta:hover::before,
.code-link.primary-link:hover::before,
.service-card .btn:hover::before,
.project-card .btn:hover::before,
.contact-link .btn:hover::before {
  opacity: 1;
}

/* Secondary buttons */
.code-link.secondary-link {
  /* Reset existing styles */
  all: unset;
  /* Apply secondary button styles */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  font-weight: 500;
  font-family: var(--font-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  box-shadow: none;
}

.code-link.secondary-link:hover {
  color: white;
  border-color: transparent;
  background: var(--gradient-primary);
  box-shadow: 0 8px 25px var(--color-accent-glow);
}
.particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: -1;
}.logo-container {
  position: relative;
  display: inline-block;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  position: relative;
  z-index: 2;
  transition: color 0.3s ease;
}

.logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  filter: blur(15px);
  opacity: 0;
  z-index: 1;
  transition: opacity 0.4s ease;
}

.logo:hover .logo-glow {
  opacity: 0.3;
}

.logo-particle {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  background: var(--color-accent);
  transition: opacity 0.4s ease;
}

/* Ajuste para tema claro */
html[data-theme='light'] .logo-particle {
  background: var(--color-accent);
}
#depoimentos {
  margin: 3rem 0 2rem 0;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--color-card-bg);
  box-shadow: var(--shadow-md);
}

.testimonial {
  margin-bottom: 2rem;
  padding: 1.2rem 1.5rem;
  border-left: 4px solid var(--color-accent);
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  font-style: italic;
  color: var(--color-text-secondary);
  position: relative;
  transition: box-shadow 0.3s;
}

.testimonial:last-child {
  margin-bottom: 0;
}

.testimonial:hover {
  box-shadow: 0 4px 24px var(--color-accent-glow);
}

.author {
  display: block;
  margin-top: 0.7rem;
  font-weight: bold;
  color: var(--color-accent);
  font-style: normal;
  letter-spacing: 0.01em;
}
.icon-glow {
  font-size: 2rem;
  border-radius: 50%;
  padding: 0.45em;
  background: transparent;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 0 var(--color-accent-glow);
  transition: box-shadow 0.4s;
  outline: 2px solid transparent;
}

html[data-theme='light'] .icon-glow {
  box-shadow: 0 0 16px 4px var(--color-accent-glow);
  background: rgba(61,133,198,0.10);
}

html[data-theme='dark'] .icon-glow {
  box-shadow: 0 0 16px 4px var(--color-accent-glow);
  background: rgba(61,133,198,0.20);
}