/* ===== CSS VARIABLES ===== */
:root {
  /* Neon Colors */
  --neon-blue: #00e5ff;
  --neon-purple: #9b5cff;
  --neon-pink: #ff3db1;
  --neon-teal: #2fffdc;
  
  /* Background Colors */
  --bg-dark: #111315;        /* Cinza metálico escuro (fundo geral) */
  --bg-darker: #0b0c0e;      /* Cinza metálico mais profundo (separadores/rodapé) */
  --bg-card: #1a1d21;        /* Cartões neutros, sem matiz azul */
  --bg-card-hover: #23272d;  /* Hover com contraste suave */
  --bg-menu: #000000;        /* Fundo do menu/header (preto) */
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b8c5d6;
  --text-muted: #8892a6;
  
  /* Gradients */
  --gradient-neon: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 50%, var(--neon-pink) 100%);
  --gradient-neon-reverse: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 50%, var(--neon-blue) 100%);
  --gradient-dark: linear-gradient(135deg, #0f1113 0%, #0a0b0d 100%);
  
  /* Shadows */
  --shadow-neon-blue: 0 0 20px rgba(0, 229, 255, 0.3), 0 0 40px rgba(0, 229, 255, 0.1);
  --shadow-neon-purple: 0 0 20px rgba(155, 92, 255, 0.3), 0 0 40px rgba(155, 92, 255, 0.1);
  --shadow-neon-pink: 0 0 20px rgba(255, 61, 177, 0.3), 0 0 40px rgba(255, 61, 177, 0.1);
  --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.3);
  
  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Sizes */
  --header-height: 4rem;
  --border-radius: 12px;
  --border-radius-small: 8px;
  --border-radius-large: 16px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-loading: 9999;
  --z-modal: 1000;
  --z-header: 100;
  --z-tooltip: 50;
  --z-interactive-bg: -1;
}

/* ===== FONT IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-dark);
  overflow-x: hidden;
  position: relative;
}

/* Imagens fluidas e elementos de mídia */
img, svg, video, canvas {
  max-width: 100%;
  height: auto;
}

/* Background Interativo */
.interactive-bg { display: none !important; }

.cursor-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, 
    rgba(0, 229, 255, 0.15) 0%, 
    rgba(155, 92, 255, 0.1) 30%, 
    rgba(255, 61, 177, 0.05) 60%, 
    transparent 100%);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
  filter: blur(1px);
}

.cursor-glow.active {
  opacity: 1;
}

/* Ondas de clique */
.click-wave {
  position: absolute;
  border: 2px solid var(--neon-blue);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: wave-expand 1s ease-out forwards;
}

@keyframes wave-expand {
  0% {
    width: 0;
    height: 0;
    opacity: 1;
    border-width: 3px;
  }
  50% {
    border-color: var(--neon-purple);
    border-width: 2px;
  }
  100% {
    width: 200px;
    height: 200px;
    opacity: 0;
    border-width: 1px;
    border-color: var(--neon-pink);
  }
}

/* Partículas flutuantes */
.floating-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--neon-teal);
  border-radius: 50%;
  pointer-events: none;
  animation: float-particle 3s ease-out forwards;
  box-shadow: 0 0 6px currentColor;
}

@keyframes float-particle {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--random-x, 0), var(--random-y, 0)) scale(0);
  }
}

/* Efeito de grade interativa */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.grid-overlay.active {
  opacity: 1;
  background-image: 
    linear-gradient(rgba(0, 229, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.08) 1px, transparent 1px);
}

/* Efeito de scanner */
.scanner-line {
  position: absolute;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent, 
    var(--neon-blue), 
    var(--neon-purple), 
    var(--neon-pink), 
    transparent);
  top: 50%;
  left: 0;
  opacity: 0;
  transform: translateY(-50%);
  animation: scanner-sweep 4s ease-in-out infinite;
}

@keyframes scanner-sweep {
  0%, 100% {
    opacity: 0;
    transform: translateY(-50%) translateX(-100%);
  }
  10%, 90% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) translateX(0%);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .interactive-bg {
    display: none !important;
  }
  
  .click-wave,
  .floating-particle,
  .scanner-line {
    display: none !important;
  }
  
  .whatsapp-btn {
    animation: none !important;
  }
}

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

.section {
  padding: var(--spacing-2xl) 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-neon);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== REVEAL ANIMATIONS (padronizadas) ===== */
.will-animate {
  opacity: 0;
  transform: translateY(30px);
}

.animate-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--transition-normal), transform var(--transition-slow);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-neon);
  color: var(--bg-dark);
  box-shadow: var(--shadow-neon-blue);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon-blue), 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--neon-blue);
  box-shadow: inset 0 0 0 0 var(--neon-blue);
}

.btn--secondary:hover {
  box-shadow: inset 300px 0 0 0 var(--neon-blue);
  color: var(--bg-dark);
  transform: translateY(-2px);
}

.btn--small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

.btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: translateX(4px);
}

.btn__loading {
  display: none;
}

.btn--loading .btn__text {
  opacity: 0;
}

.btn--loading .btn__loading {
  display: block;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-darker);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loading);
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.loading-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

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

.loading-logo {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  animation: pulse 2s ease-in-out infinite;
}

.loading-bar {
  width: 200px;
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.loading-progress {
  height: 100%;
  background: var(--gradient-neon);
  border-radius: 2px;
  animation: loading 2s ease-in-out infinite;
}

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

@keyframes loading {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-menu);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
  z-index: var(--z-header);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: var(--bg-menu);
  box-shadow: var(--shadow-dark);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-sm);
  max-width: 1200px;
  margin: 0 auto;
}

.logo-link {
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

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

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav__link {
  position: relative;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
  padding: var(--spacing-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
  transition: width 0.4s ease;
  border-radius: 2px;
}

.nav__link:hover {
  color: var(--text-primary);
  text-shadow: 
    0 0 5px var(--neon-blue), 
    0 0 10px var(--neon-blue), 
    0 0 20px var(--neon-blue);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link.active {
  color: var(--text-primary);
}

.nav__link.active::after {
  width: 100%;
  background: var(--gradient-neon);
}

/* Efeito rainbow quando clicado */
.nav__link:active::after {
  background: linear-gradient(270deg, 
    #ff0000, #ff8000, #ffff00, #00ff00, #00ffff, #0080ff, #8000ff);
  background-size: 400% 400%;
  animation: rainbow 2s linear infinite;
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.nav__close {
  display: none;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

/* Spline background for Hero */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

.hero__bg spline-viewer {
  width: 100%;
  height: 100%;
}

@supports (height: 100svh) {
  .hero {
    min-height: 100svh;
  }
}

.particles-container { display: none !important; }

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__greeting {
  display: block;
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

.hero__name {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.7s forwards;
}

.hero__role {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--neon-teal);
  margin-bottom: var(--spacing-lg);
  min-height: 3rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.9s forwards;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.1s forwards;
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.3s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.5s forwards;
}

.scroll-down {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.scroll-down:hover {
  color: var(--neon-blue);
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--gradient-neon);
  position: relative;
  animation: bounce 2s infinite;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 8px solid var(--neon-blue);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--bg-darker);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about__image {
  position: relative;
}

.about__img-wrapper {
  position: relative;
  border-radius: var(--border-radius-large);
  overflow: hidden;
  background: var(--gradient-neon);
  padding: 4px;
}

.about__img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-large);
  display: block;
  transition: transform var(--transition-slow);
}

.about__img-wrapper:hover .about__img {
  transform: scale(1.05);
}

.about__img-overlay {
  position: absolute;
  inset: 4px;
  background: var(--gradient-neon);
  opacity: 0;
  border-radius: var(--border-radius-large);
  transition: opacity var(--transition-normal);
  pointer-events: none;
  mix-blend-mode: overlay;
}

.about__img-wrapper:hover .about__img-overlay {
  opacity: 0.1;
}

.about__description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.about__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.about__info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.about__info-title {
  font-weight: 600;
  color: var(--neon-blue);
  min-width: 120px;
}

.about__info-value {
  color: var(--text-secondary);
}

.about__interests-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.about__interests-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.about__interests-list li {
  position: relative;
  padding-left: var(--spacing-md);
  color: var(--text-secondary);
}

.about__interests-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--neon-teal);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-teal);
}

/* ===== SKILLS SECTION ===== */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.skill__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 229, 255, 0.1);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.skill__item:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: var(--neon-blue);
  box-shadow: var(--shadow-neon-blue);
}

.skill__icon {
  position: relative;
  width: 3.5rem;
  height: 3.5rem;
  display: grid;
  place-items: center;
  color: var(--neon-blue);
  background:
    radial-gradient( circle at 30% 30%, rgba(255,255,255,0.08), transparent 60%),
    var(--bg-card);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: 50%;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
}

.skill__icon::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--gradient-neon);
  filter: blur(12px);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

.skill__icon svg {
  width: 60%;
  height: 60%;
}

.skill__icon svg,
.skill__icon svg path {
  fill: currentColor;
}

.skill__item:hover .skill__icon,
.skill__item:focus-within .skill__icon {
  transform: translateY(-2px) scale(1.06);
  box-shadow: var(--shadow-neon-blue);
  border-color: var(--neon-blue);
}

.skill__item:hover .skill__icon::before,
.skill__item:focus-within .skill__icon::before {
  opacity: 0.45;
}

/* Cores de marca por skill */
.skill__item[data-skill="React"] .skill__icon { color: #61DAFB; }
.skill__item[data-skill="JavaScript"] .skill__icon { color: #F7DF1E; }
.skill__item[data-skill="TypeScript"] .skill__icon { color: #3178C6; }
.skill__item[data-skill="Node.js"] .skill__icon { color: #68A063; }
.skill__item[data-skill="Next.js"] .skill__icon { color: #ffffff; }
.skill__item[data-skill="CSS3"] .skill__icon { color: #1572B6; }
.skill__item[data-skill="MongoDB"] .skill__icon { color: #47A248; }
.skill__item[data-skill="Git"] .skill__icon { color: #F05032; }

.skill__name {
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

/* ===== PROJECTS SECTION ===== */
.projects {
  background: var(--bg-darker);
}

.projects__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.project__row {
  display: grid;
  grid-template-columns: 1fr 0.6fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.project__row--reverse {
  grid-template-columns: 0.6fr 1fr;
}

.project__mockup {
  position: relative;
  cursor: pointer;
  transition: all var(--transition-normal);
  transform-style: preserve-3d;
}

.project__mockup:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
  filter: drop-shadow(0 20px 40px rgba(0, 229, 255, 0.3));
}

.project__mockup--laptop {
  position: relative;
}

.project__mockup--laptop::before {
  content: '';
  position: absolute;
  top: -5%;
  left: -5%;
  right: -5%;
  bottom: -5%;
  background: var(--gradient-neon);
  border-radius: var(--border-radius-large);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
  filter: blur(20px);
}

.project__mockup--laptop:hover::before {
  opacity: 0.3;
}

.project__mockup--mobile {
  max-width: 200px;
  margin: 0 auto;
}

.mockup__screen {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs);
  border: 2px solid rgba(0, 229, 255, 0.2);
  overflow: hidden;
}

.project__mockup--laptop .mockup__screen {
  aspect-ratio: 16/10;
}

.project__mockup--mobile .mockup__screen {
  aspect-ratio: 9/16;
  border-radius: var(--border-radius-large);
}

.project__mockup--mobile .mockup__image {
  object-fit: contain;
  object-position: center;
}

.mockup__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-small);
  transition: transform var(--transition-slow);
}

.project__mockup:hover .mockup__image {
  transform: scale(1.05);
}

.project__info {
  padding: var(--spacing-md) 0;
}

.project__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project__description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.project__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tech-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 229, 255, 0.1);
  color: var(--neon-blue);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--border-radius-small);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  position: relative;
}

.contact__bg {
  position: absolute;
  inset: -20px; /* leve overflow para brilho */
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

.contact__bg spline-viewer,
.hero__bg spline-viewer {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 0;
}

/* Fallback visual: cobre o badge "Built with Spline" nos cantos inferior esquerdo e direito */
.hero__bg::after,
.contact__bg::after,
.hero__bg::before,
.contact__bg::before {
  content: '';
  position: absolute;
  width: 180px;
  height: 48px;
  bottom: 12px;
  background: var(--bg-dark);
  border-radius: 999px;
  z-index: 1;
  pointer-events: none;
}

.hero__bg::after,
.contact__bg::after { left: 12px; }
.hero__bg::before,
.contact__bg::before { right: 12px; }

.contact__content > *:not(.contact__bg) {
  position: relative;
  z-index: 1;
}

.contact__info-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-neon);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact__info-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.contact__social {
  display: flex;
  gap: var(--spacing-md);
}

.social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--border-radius);
  color: var(--neon-blue);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.social__link:hover {
  background: var(--neon-blue);
  color: var(--bg-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-neon-blue);
}

.social__icon {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* ===== FORM STYLES ===== */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form__group {
  position: relative;
}

.form__input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 2px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form__input:focus {
  outline: none;
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
  transform: translateY(-125%) scale(0.875);
  color: var(--neon-blue);
}

.form__label {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--transition-normal);
  pointer-events: none;
  background: var(--bg-card);
  padding: 0 var(--spacing-xs);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__textarea + .form__label {
  top: var(--spacing-md);
  transform: none;
}

.form__textarea:focus + .form__label,
.form__textarea:not(:placeholder-shown) + .form__label {
  transform: translateY(-125%) scale(0.875);
  color: var(--neon-blue);
}

.form__error {
  display: block;
  color: var(--neon-pink);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.form__error.show {
  opacity: 1;
}

.form__submit {
  margin-top: var(--spacing-md);
  position: relative;
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: fit-content;
}

.form__feedback {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.form__feedback.show {
  opacity: 1;
}

.form__feedback.success {
  background: rgba(47, 255, 220, 0.1);
  color: var(--neon-teal);
  border: 1px solid rgba(47, 255, 220, 0.3);
}

.form__feedback.error {
  background: rgba(255, 61, 177, 0.1);
  color: var(--neon-pink);
  border: 1px solid rgba(255, 61, 177, 0.3);
}

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-darker);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(0, 229, 255, 0.1);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copy {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer__links {
  display: flex;
  gap: var(--spacing-md);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--neon-blue);
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  margin: 5vh auto;
  background: var(--bg-card);
  border-radius: var(--border-radius-large);
  border: 1px solid rgba(0, 229, 255, 0.2);
  overflow: hidden;
  transform: scale(0.8);
  transition: transform var(--transition-normal);
}

.modal.show .modal__content {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: var(--bg-darker);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal__close:hover {
  background: var(--neon-blue);
  color: var(--bg-dark);
}

.modal__close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
}

.modal__body {
  padding: var(--spacing-xl);
  max-height: 80vh;
  overflow-y: auto;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  /* Header Mobile */
  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-menu);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  @supports (height: 100svh) {
    .nav__menu {
      height: 100svh;
    }
  }
  
  .nav__menu.show {
    transform: translateX(0);
  }
  
  .nav__list {
    flex-direction: column;
    gap: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-2xl);
  }
  
  .nav__link {
    font-size: 1.25rem;
  }
  
  /* Ajuste do efeito neon para mobile */
  .nav__link:hover {
    text-shadow: 
      0 0 3px var(--neon-blue), 
      0 0 6px var(--neon-blue), 
      0 0 12px var(--neon-blue);
  }
  
  .nav__close {
    display: block;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 30px;
    height: 30px;
    cursor: pointer;
  }
  
  .nav__close span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
  }
  
  .nav__close span:first-child {
    transform: translate(-50%, -50%) rotate(45deg);
  }
  
  .nav__close span:last-child {
    transform: translate(-50%, -50%) rotate(-45deg);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  /* Hero Mobile */
  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  /* About Mobile */
  .about__content {
    /* Forçar empilhamento e evitar qualquer comportamento inesperado do grid em mobile */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
    align-items: center;
  }
  .about__image {
    display: flex;
    justify-content: center;
    order: 1;
    /* Garantir visibilidade mesmo se classe will-animate estiver aplicada */
    opacity: 1 !important;
    transform: none !important;
  }
  .about__img-wrapper {
    width: clamp(260px, 82vw, 380px);
    margin: 0 auto;
  }
  .about__img {
    width: 100%;
    height: auto;
  }
  .about__data {
    display: grid;
    gap: var(--spacing-md);
    max-width: 680px;
    margin: 0 auto;
    text-align: left;
    /* Fallback para garantir visibilidade caso animações não disparem no mobile */
    opacity: 1 !important;
    transform: none !important;
    order: 2;
    margin-top: var(--spacing-sm);
  }
  /* Container do about visível em mobile mesmo com will-animate */
  .about__content {
    opacity: 1 !important;
    transform: none !important;
  }
  .about__description {
    display: block;
    opacity: 1 !important;
    transform: none !important;
    word-break: break-word;
  }
  .about__info,
  .about__interests {
    opacity: 1 !important;
    transform: none !important;
  }
  
  .about__info {
    max-width: 400px;
    margin: 0 auto var(--spacing-lg);
  }
  
  /* Skills Mobile */
  .skills__grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
  }
  
  .skill__item {
    padding: var(--spacing-md);
  }
  
  .skill__icon {
    width: 2.75rem;
    height: 2.75rem;
  }
  
  /* Projects Mobile */
  .project__row,
  .project__row--reverse {
    grid-template-columns: 1fr 0.6fr;
    gap: var(--spacing-lg);
    align-items: center;
    text-align: initial;
  }

  .project__row--reverse {
    grid-template-columns: 0.6fr 1fr;
  }

  .project__mockup--mobile {
    margin: 0;
  }
  
  .project__mockup--mobile {
    max-width: 150px;
  }
  
  /* Contact Mobile */
  .contact__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .contact__social {
    justify-content: center;
  }
  
  /* Footer Mobile */
  .footer__content {
    flex-direction: column;
    text-align: center;
  }
  
  /* Modal Mobile */
  .modal__content {
    max-width: 95vw;
    margin: 2.5vh auto;
  }
  
  .modal__body {
    padding: var(--spacing-lg);
  }
  
  /* WhatsApp Mobile */
  .whatsapp-btn {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 55px;
    height: 55px;
  }
  
  .whatsapp-icon {
    width: 28px;
    height: 28px;
  }
  
  .whatsapp-tooltip {
    display: none; /* Esconder tooltip em mobile */
  }
}

/* ===== TABLET ADJUSTMENTS ===== */
@media (max-width: 1024px) {
  .about__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .projects__content {
    gap: var(--spacing-xl);
  }
  .project__row,
  .project__row--reverse {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .contact__content {
    gap: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .about__img-wrapper {
    width: clamp(260px, 90vw, 360px);
  }
  .about__data {
    padding: 0 var(--spacing-sm);
  }
  .skill__icon {
    width: 2.5rem;
    height: 2.5rem;
  }
  .hero__name {
    font-size: 2.5rem;
  }
  
  .hero__role {
    font-size: 1.25rem;
  }
  
  .section__title {
    font-size: 2rem;
  }
  
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .project__row,
  .project__row--reverse {
    grid-template-columns: 1fr 0.8fr;
    gap: var(--spacing-md);
  }
  .project__mockup--mobile {
    max-width: 130px;
  }

  /* Botão scroll-top menor em telas muito pequenas */
  .scroll-top-btn {
    width: 55px;
    height: 55px;
  }
  .scroll-top-icon {
    width: 28px;
    height: 28px;
  }
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn {
  position: fixed;
  bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
  right: calc(2rem + env(safe-area-inset-right, 0px));
  width: 60px;
  height: 60px;
  background: var(--gradient-neon);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-neon-blue), 0 0 0 0 rgba(0, 229, 255, 0.7);
  transition: all var(--transition-normal);
  z-index: var(--z-tooltip);
  animation: neon-pulse 2s infinite;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.whatsapp-btn:hover {
  background: var(--gradient-neon-reverse);
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-neon-purple), 0 0 0 10px rgba(155, 92, 255, 0.1);
  border-color: var(--neon-pink);
}

.whatsapp-btn:active {
  transform: translateY(-1px) scale(1.05);
}

.whatsapp-icon {
  width: 32px;
  height: 32px;
  fill: var(--bg-dark);
  transition: all var(--transition-fast);
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.3));
}

.whatsapp-btn:hover .whatsapp-icon {
  transform: scale(1.1);
  fill: var(--bg-dark);
  filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.5));
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  border: 1px solid var(--neon-blue);
  box-shadow: var(--shadow-neon-blue);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--bg-card);
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(-10px);
}

@keyframes neon-pulse {
  0% {
    box-shadow: var(--shadow-neon-blue), 0 0 0 0 rgba(0, 229, 255, 0.7);
  }
  50% {
    box-shadow: var(--shadow-neon-purple), 0 0 0 8px rgba(155, 92, 255, 0.3);
  }
  100% {
    box-shadow: var(--shadow-neon-pink), 0 0 0 0 rgba(255, 61, 177, 0);
  }
}

/* ===== SCROLL TO TOP BUTTON ===== */

.scroll-top-btn {
  position: fixed;
  bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
  left: calc(2rem + env(safe-area-inset-left, 0px));
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--gradient-neon);
  background-clip: padding-box;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-neon-blue), 0 0 0 0 rgba(0, 229, 255, 0.7);
  transition: all var(--transition-normal);
  z-index: calc(var(--z-tooltip) + 1);
  opacity: 0;
  visibility: hidden;
  animation: neon-pulse 2s infinite;
}

.scroll-top-btn:hover {
  background: var(--gradient-neon-reverse);
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-neon-purple), 0 0 0 10px rgba(155, 92, 255, 0.1);
  border-color: var(--neon-pink);
}

.scroll-top-btn.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top-icon {
  width: 32px;
  height: 32px;
  fill: var(--bg-dark);
  transition: all var(--transition-fast);
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.3));
}

@media (max-width: 768px) {
  .scroll-top-btn {
    bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    left: calc(1.5rem + env(safe-area-inset-left, 0px));
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  .particles-container {
    display: none;
  }
  
  .loading-progress {
    animation: none;
    width: 100%;
  }
  
  .loading-logo {
    animation: none;
  }
  
  .scroll-arrow {
    animation: none;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav__link:focus,
.social__link:focus,
.form__input:focus {
  outline: 2px solid var(--neon-blue);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --bg-dark: #000000;
    --bg-darker: #000000;
    --text-primary: #ffffff;
    --neon-blue: #00ffff;
    --neon-purple: #ff00ff;
    --neon-pink: #ff69b4;
  }
}