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

:root {
  --bg:              #07070f;
  --bg-card:         rgba(255, 255, 255, 0.03);
  --border:          rgba(255, 255, 255, 0.07);
  --border-hover:    rgba(0, 217, 255, 0.25);

  --primary:         #00d9ff;
  --primary-dim:     rgba(0, 217, 255, 0.08);
  --primary-glow:    rgba(0, 217, 255, 0.18);

  --secondary:       #8b5cf6;
  --secondary-dim:   rgba(139, 92, 246, 0.08);
  --secondary-glow:  rgba(139, 92, 246, 0.18);

  --orange:          #f97316;
  --orange-dim:      rgba(249, 115, 22, 0.08);
  --green:           #22c55e;
  --green-dim:       rgba(34, 197, 94, 0.08);

  --text:            #f1f5f9;
  --text-muted:      #94a3b8;
  --text-subtle:     #475569;

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;

  --spacing-sm:  1rem;
  --spacing-md:  1.5rem;
  --spacing-lg:  2rem;
  --spacing-xl:  3rem;
  --spacing-2xl: 5rem;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --shadow-md:   0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 28px rgba(0, 217, 255, 0.12);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

html,
body {
  cursor: auto;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Garante cursor do sistema (evita cache antigo com cursor: none) */
@media (hover: hover) and (pointer: fine) {
  html,
  body {
    cursor: auto;
  }
}

/* Skip link — acessibilidade */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.65rem 1rem;
  background: var(--primary);
  color: #07070f;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

/* Selection */
::selection { background: var(--primary-glow); color: var(--primary); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ===========================================
   SCROLL PROGRESS
   =========================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ===========================================
   BACK TO TOP
   =========================================== */
.back-to-top[hidden] {
  display: none !important;
}

.back-to-top:not([hidden]) {
  display: flex;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 500;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  background: rgba(13, 13, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--primary);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: opacity var(--transition), transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.back-to-top:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  color: var(--text);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

body.nav-open .back-to-top {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 600px) {
  .back-to-top {
    right: 1rem;
    bottom: 1rem;
  }
}

/* ===========================================
   PARTICLES CANVAS
   =========================================== */
.particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.82;
}

/* ===========================================
   HEADER & NAVIGATION
   =========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--spacing-lg);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(7, 7, 15, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1160px;
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.8; }

.logo-brackets { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--text); }

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

.nav-link--cta {
  color: var(--primary) !important;
  border: 1px solid rgba(0, 217, 255, 0.4);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
  background: var(--primary-dim);
  border-color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.toggle-bar {
  width: 22px;
  height: 1.5px;
  background: var(--text);
  display: block;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(7, 7, 15, 0.96);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
}

.nav-mobile-link {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding-left var(--transition);
}
.nav-mobile-link:last-child { border-bottom: none; }
.nav-mobile-link:hover {
  color: var(--primary);
  padding-left: 8px;
}

.nav-mobile.is-open { display: flex; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .header { padding: 0 var(--spacing-sm); }
  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }
  .nav-mobile-link {
    min-height: 48px;
    display: flex;
    align-items: center;
  }
}

body.nav-open {
  overflow: hidden;
}

/* ===========================================
   REVEAL ANIMATIONS
   =========================================== */
.reveal-up,
.reveal-left {
  opacity: 0;
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up   { transform: translateY(28px); }
.reveal-left { transform: translateX(-28px); }

.reveal-up.is-revealed,
.reveal-left.is-revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* Cards — leve scale na entrada */
.stat-card.reveal-up,
.project-card.reveal-up,
.edu-card.reveal-up,
.contact-card.reveal-up {
  transform: translateY(24px) scale(0.97);
}

.stat-card.reveal-up.is-revealed,
.project-card.reveal-up.is-revealed,
.edu-card.reveal-up.is-revealed,
.contact-card.reveal-up.is-revealed {
  transform: translateY(0) scale(1);
}

.stat-card.reveal-up.is-revealed:hover       { transform: translateY(-3px) scale(1); }
.project-card.reveal-up.is-revealed:hover    { transform: translateY(-4px) scale(1); }
.edu-card.reveal-up.is-revealed:hover        { transform: translateY(-3px) scale(1); }
.contact-card.reveal-up.is-revealed:hover    { transform: translateY(-4px) scale(1); }

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Ícones — pop após o card/categoria revelar */
.project-icon,
.edu-icon,
.contact-icon,
.skill-category-icon {
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.45s cubic-bezier(0.34, 1.15, 0.64, 1);
}

.project-card:not(.is-revealed) .project-icon,
.edu-card:not(.is-revealed) .edu-icon,
.contact-card:not(.is-revealed) .contact-icon,
.skill-category:not(.is-revealed) .skill-category-icon {
  opacity: 0;
  transform: scale(0.82);
}

.project-card.is-revealed .project-icon,
.edu-card.is-revealed .edu-icon,
.contact-card.is-revealed .contact-icon,
.skill-category.is-revealed .skill-category-icon {
  opacity: 1;
  transform: scale(1);
  transition-delay: 0.14s;
}

.project-card.is-revealed.delay-1 .project-icon,
.edu-card.is-revealed.delay-1 .edu-icon,
.contact-card.is-revealed.delay-1 .contact-icon { transition-delay: 0.24s; }
.project-card.is-revealed.delay-2 .project-icon,
.edu-card.is-revealed.delay-2 .edu-icon,
.contact-card.is-revealed.delay-2 .contact-icon { transition-delay: 0.34s; }
.project-card.is-revealed.delay-3 .project-icon,
.edu-card.is-revealed.delay-3 .edu-icon,
.contact-card.is-revealed.delay-3 .contact-icon { transition-delay: 0.44s; }
.project-card.is-revealed.delay-4 .project-icon,
.edu-card.is-revealed.delay-4 .edu-icon,
.contact-card.is-revealed.delay-4 .contact-icon { transition-delay: 0.54s; }
.project-card.is-revealed.delay-5 .project-icon,
.edu-card.is-revealed.delay-5 .edu-icon,
.contact-card.is-revealed.delay-5 .contact-icon { transition-delay: 0.64s; }

.skill-icon {
  transition: transform 0.4s cubic-bezier(0.34, 1.15, 0.64, 1);
}

.skill-category.is-revealed .skill-item .skill-icon {
  transform: scale(0.78);
}

.skill-category.is-revealed .skill-item:nth-child(1) .skill-icon { transform: scale(1); transition-delay: 0.13s; }
.skill-category.is-revealed .skill-item:nth-child(2) .skill-icon { transform: scale(1); transition-delay: 0.18s; }
.skill-category.is-revealed .skill-item:nth-child(3) .skill-icon { transform: scale(1); transition-delay: 0.23s; }
.skill-category.is-revealed .skill-item:nth-child(4) .skill-icon { transform: scale(1); transition-delay: 0.28s; }
.skill-category.is-revealed .skill-item:nth-child(5) .skill-icon { transform: scale(1); transition-delay: 0.33s; }
.skill-category.is-revealed .skill-item:nth-child(6) .skill-icon { transform: scale(1); transition-delay: 0.38s; }
.skill-category.is-revealed .skill-item:nth-child(7) .skill-icon { transform: scale(1); transition-delay: 0.43s; }
.skill-category.is-revealed .skill-item:nth-child(8) .skill-icon { transform: scale(1); transition-delay: 0.48s; }
.skill-category.is-revealed .skill-item:nth-child(n+9) .skill-icon { transform: scale(1); transition-delay: 0.53s; }

.stat-card.is-revealed .stat-number {
  display: inline-block;
  animation: statNumberPop 0.55s cubic-bezier(0.34, 1.15, 0.64, 1) both;
}

.stat-card.is-revealed.delay-1 .stat-number { animation-delay: 0.2s; }
.stat-card.is-revealed.delay-2 .stat-number { animation-delay: 0.3s; }
.stat-card.is-revealed.delay-3 .stat-number { animation-delay: 0.4s; }

@keyframes statNumberPop {
  from {
    opacity: 0.5;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===========================================
   HERO SECTION
   =========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px var(--spacing-lg) var(--spacing-2xl);
  overflow: hidden;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-name {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.2em;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2.2vw, 1.1rem);
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  min-height: 1.8rem;
}

.hero-title-prefix { color: var(--secondary); opacity: 0.7; }
.hero-typing { color: var(--text); }

.cursor-blink {
  color: var(--primary);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-description {
  font-size: clamp(0.93rem, 2vw, 1.08rem);
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.highlight {
  color: var(--primary);
  font-weight: 500;
}

.hero-location {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.hero-quote {
  display: block;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.hero-quote-text {
  display: block;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-quote-ref {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  font-style: normal;
  font-family: var(--font-mono);
  color: var(--text-subtle);
  letter-spacing: 0.02em;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary);
  color: #07070f;
  border-color: var(--primary);
  box-shadow: 0 0 18px var(--primary-glow);
}
.btn-primary:hover {
  background: #33e0ff;
  box-shadow: 0 0 32px rgba(0, 217, 255, 0.35);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 1.75rem;
  left: 0;
  right: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.72;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--primary);
  text-transform: uppercase;
  z-index: 2;
}

.scroll-line {
  width: 2px;
  height: 48px;
  border-radius: 1px;
  background: linear-gradient(to bottom, var(--primary), rgba(0, 217, 255, 0.08));
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.25);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.65; }
  50%       { transform: scaleY(0.75); opacity: 0.35; }
}

/* Hero ambient glows */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 420px;
  height: 420px;
  background: rgba(0, 217, 255, 0.08);
  top: 5%;
  left: 10%;
  animation: floatGlow1 9s ease-in-out infinite;
}
.hero-glow-2 {
  width: 320px;
  height: 320px;
  background: rgba(139, 92, 246, 0.08);
  bottom: 15%;
  right: 10%;
  animation: floatGlow2 11s ease-in-out infinite;
}
@keyframes floatGlow1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(24px, -24px) scale(1.08); }
}
@keyframes floatGlow2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-24px, 24px) scale(0.92); }
}

/* ===========================================
   SECTION BASE
   =========================================== */
.section {
  position: relative;
  padding: var(--spacing-2xl) var(--spacing-lg);
  z-index: 1;
}

.section-alt {
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(139, 92, 246, 0.025) 40%,
    rgba(139, 92, 246, 0.025) 60%,
    transparent 100%
  );
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

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

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===========================================
   ABOUT SECTION
   =========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

.about-lead {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}
.about-text strong { color: var(--text); }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--spacing-md);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.77rem;
  color: var(--primary);
  background: var(--primary-dim);
  border: 1px solid rgba(0, 217, 255, 0.14);
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
  transition: background var(--transition), border-color var(--transition);
}
.tag:hover {
  background: rgba(0, 217, 255, 0.13);
  border-color: rgba(0, 217, 255, 0.25);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2.1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-plus { font-size: 1.4rem; }

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.3;
}

/* ===========================================
   SKILLS SECTION
   =========================================== */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

@media (max-width: 768px) {
  .skills-categories { grid-template-columns: 1fr; }
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.skill-category:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.skill-category-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-category-icon {
  color: var(--primary);
  display: flex;
  align-items: center;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.skill-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 6px;
  min-height: 22px;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.skill-item:hover { color: var(--text); }

.skill-category .skill-item {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-category.is-revealed .skill-item {
  opacity: 1;
  transform: translateY(0);
}

.skill-category.is-revealed .skill-item:nth-child(1) { transition-delay: 0.05s; }
.skill-category.is-revealed .skill-item:nth-child(2) { transition-delay: 0.1s; }
.skill-category.is-revealed .skill-item:nth-child(3) { transition-delay: 0.15s; }
.skill-category.is-revealed .skill-item:nth-child(4) { transition-delay: 0.2s; }
.skill-category.is-revealed .skill-item:nth-child(5) { transition-delay: 0.25s; }
.skill-category.is-revealed .skill-item:nth-child(6) { transition-delay: 0.3s; }
.skill-category.is-revealed .skill-item:nth-child(7) { transition-delay: 0.35s; }
.skill-category.is-revealed .skill-item:nth-child(8) { transition-delay: 0.4s; }
.skill-category.is-revealed .skill-item:nth-child(n+9) { transition-delay: 0.45s; }

.about-text .tag {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease,
              background var(--transition), border-color var(--transition);
}

.about-text.is-revealed .tag {
  opacity: 1;
  transform: translateY(0);
}

.about-text.is-revealed .tag:nth-child(1) { transition-delay: 0.08s; }
.about-text.is-revealed .tag:nth-child(2) { transition-delay: 0.14s; }
.about-text.is-revealed .tag:nth-child(3) { transition-delay: 0.2s; }
.about-text.is-revealed .tag:nth-child(4) { transition-delay: 0.26s; }
.about-text.is-revealed .tag:nth-child(5) { transition-delay: 0.32s; }
.about-text.is-revealed .tag:nth-child(6) { transition-delay: 0.38s; }
.about-text.is-revealed .tag:nth-child(7) { transition-delay: 0.44s; }
.about-text.is-revealed .tag:nth-child(8) { transition-delay: 0.5s; }

.skill-icons {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 18px;
  min-width: 18px;
  flex-shrink: 0;
}

.skill-icons:has(.skill-icon:nth-child(2)) {
  width: auto;
  min-width: 40px;
}

.skill-icons:has(.skill-icon:nth-child(3)) {
  gap: 3px;
  min-width: 58px;
}

.skill-icon {
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.skill-label {
  font-weight: 500;
  line-height: 1.35;
}

.skill-pair {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.skill-sep {
  color: var(--text-muted);
  opacity: 0.45;
  font-weight: 500;
  line-height: 1;
}

/* ===========================================
   PROJECTS SECTION
   =========================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
  .hero {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  .hero-cta {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
  .section {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  .contact-value {
    font-size: 0.8rem;
    word-break: break-word;
  }
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.project-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.project-card-inner {
  padding: var(--spacing-md);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.project-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-dim);
  border: 1px solid rgba(0, 217, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.project-icon--secondary {
  background: var(--secondary-dim);
  border-color: rgba(139, 92, 246, 0.12);
  color: var(--secondary);
}
.project-icon--green {
  background: var(--green-dim);
  border-color: rgba(34, 197, 94, 0.12);
  color: var(--green);
}
.project-icon--orange {
  background: var(--orange-dim);
  border-color: rgba(249, 115, 22, 0.12);
  color: var(--orange);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.project-link {
  color: var(--text-subtle);
  transition: color var(--transition);
  display: flex;
  align-items: center;
}
.project-link:hover { color: var(--primary); }

.project-link--external {
  width: 36px;
  height: 36px;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 217, 255, 0.25);
  border-radius: var(--radius-sm);
  color: var(--primary);
}
.project-link--external:hover {
  border-color: rgba(0, 217, 255, 0.5);
  background: var(--primary-dim);
}

.project-name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.project-description {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.project-lang {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 500;
}
.project-lang--dart {
  background: rgba(0, 180, 216, 0.1);
  color: #00c4db;
  border: 1px solid rgba(0, 180, 216, 0.18);
}
.project-lang--js {
  background: rgba(234, 179, 8, 0.1);
  color: #e8b800;
  border: 1px solid rgba(234, 179, 8, 0.18);
}
.project-lang--java {
  background: rgba(249, 115, 22, 0.1);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.18);
}

/* Badge "Privado" nos projetos */
.project-private-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-subtle);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

/* Language tags extra */
.project-lang--python {
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.18);
}
.project-lang--oracle {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.18);
}
.project-lang--php {
  background: rgba(139, 92, 246, 0.1);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.18);
}
.project-lang--html {
  background: rgba(227, 79, 38, 0.1);
  color: #f06543;
  border: 1px solid rgba(227, 79, 38, 0.18);
}
.project-lang--css {
  background: rgba(38, 77, 228, 0.1);
  color: #5b8def;
  border: 1px solid rgba(38, 77, 228, 0.18);
}
.project-lang--laravel {
  background: rgba(248, 113, 113, 0.1);
  color: #fb7185;
  border: 1px solid rgba(248, 113, 113, 0.18);
}
.project-lang--flutter {
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.18);
}
.project-lang--firebase {
  background: rgba(255, 202, 40, 0.1);
  color: #ffca28;
  border: 1px solid rgba(255, 202, 40, 0.18);
}

/* Card: projetos fora do GitHub / legado */
.project-card--legacy {
  border-style: dashed;
  border-color: rgba(148, 163, 184, 0.2);
}
.project-card--legacy:hover {
  border-color: rgba(148, 163, 184, 0.35);
  box-shadow: 0 0 24px rgba(148, 163, 184, 0.08);
}

.project-lang--legacy-tag {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.18);
}
.project-lang--interno {
  background: rgba(139, 92, 246, 0.1);
  color: var(--secondary);
  border: 1px solid rgba(139, 92, 246, 0.18);
}
.project-lang--erp {
  background: rgba(249, 115, 22, 0.1);
  color: var(--orange);
  border: 1px solid rgba(249, 115, 22, 0.18);
}
.project-lang--diversos {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-subtle);
  border: 1px solid var(--border);
}

/* "Ver mais" card */
.project-card--more {
  background: transparent;
  border: 1px dashed var(--border);
  min-height: 220px;
}
.project-card--more:hover {
  border-style: solid;
  border-color: var(--primary);
}

.project-more-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  text-decoration: none;
}

.project-more-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-subtle);
  transition: color var(--transition);
}
.project-card--more:hover .project-more-content { color: var(--primary); }

.project-more-text {
  font-size: 0.88rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.5;
}

.project-more-arrow {
  font-size: 1.2rem;
  transition: transform var(--transition);
}
.project-card--more:hover .project-more-arrow { transform: translateX(5px); }

/* ===========================================
   EDUCATION / FORMATION SECTION
   =========================================== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .education-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 580px) {
  .education-grid { grid-template-columns: 1fr; }
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 14px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.edu-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.edu-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.edu-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.edu-icon--primary {
  background: var(--primary-dim);
  color: var(--primary);
  border: 1px solid rgba(0, 217, 255, 0.14);
}
.edu-icon--secondary {
  background: var(--secondary-dim);
  color: var(--secondary);
  border: 1px solid rgba(139, 92, 246, 0.14);
}
.edu-icon--orange {
  background: var(--orange-dim);
  color: var(--orange);
  border: 1px solid rgba(249, 115, 22, 0.14);
}

.edu-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.edu-badge--grad {
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 217, 255, 0.18);
}
.edu-badge--pos {
  background: rgba(139, 92, 246, 0.1);
  color: var(--secondary);
  border: 1px solid rgba(139, 92, 246, 0.18);
}
.edu-badge--cursos {
  background: rgba(249, 115, 22, 0.1);
  color: var(--orange);
  border: 1px solid rgba(249, 115, 22, 0.18);
}

.edu-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.edu-school {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 4px;
  line-height: 1.4;
}

.edu-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.edu-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.edu-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
}
.edu-status--done {
  color: var(--green);
}

.edu-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.edu-platform {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-subtle);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 6px;
  transition: color var(--transition), border-color var(--transition);
}
.edu-card:hover .edu-platform {
  color: var(--text-muted);
  border-color: rgba(255, 255, 255, 0.1);
}

/* ===========================================
   CONTACT SECTION
   =========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 860px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}
.contact-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.contact-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.45s cubic-bezier(0.34, 1.15, 0.64, 1);
}
.contact-card.is-revealed:hover .contact-icon { transform: scale(1.06); }

.contact-icon--email {
  background: var(--primary-dim);
  color: var(--primary);
  border: 1px solid rgba(0, 217, 255, 0.14);
}
.contact-icon--whatsapp {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.14);
}
.contact-icon--github {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contact-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.contact-arrow {
  font-size: 1rem;
  color: var(--text-subtle);
  transition: transform var(--transition), color var(--transition);
}
.contact-card:hover .contact-arrow {
  transform: translateX(5px);
  color: var(--primary);
}

/* ===========================================
   AMBIENT GLOW — bottom of page
   =========================================== */
.ambient-glow-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: min(42vh, 380px);
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-bottom__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}

.ambient-glow-bottom__orb--cyan {
  width: min(480px, 70vw);
  height: min(480px, 70vw);
  background: rgba(0, 217, 255, 0.07);
  bottom: -35%;
  left: 8%;
  animation: floatGlow1 12s ease-in-out infinite;
}

.ambient-glow-bottom__orb--purple {
  width: min(400px, 60vw);
  height: min(400px, 60vw);
  background: rgba(139, 92, 246, 0.08);
  bottom: -30%;
  right: 6%;
  animation: floatGlow2 14s ease-in-out infinite;
}

/* ===========================================
   FOOTER
   =========================================== */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--spacing-xl) var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
}

.footer-quote {
  flex: 1 1 100%;
  margin: 0;
  padding: 0;
  max-width: 36rem;
  text-align: center;
  border: none;
}

.footer-quote p {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--text-muted);
}

.footer-quote cite {
  font-size: 0.75rem;
  font-style: normal;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.footer-copy,
.footer-made {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-made span { color: #ef4444; }

@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ===========================================
   ACCESSIBILITY — FOCUS
   =========================================== */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===========================================
   REDUCED MOTION
   =========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .particles-canvas,
  .ambient-glow-bottom       { display: none; }
  .reveal-up, .reveal-left {
    opacity: 1;
    transform: none;
  }
  .skill-category .skill-item,
  .about-text .tag {
    opacity: 1;
    transform: none;
  }
  .project-icon,
  .edu-icon,
  .contact-icon,
  .skill-category-icon,
  .skill-icon {
    opacity: 1;
    transform: none;
  }
  .stat-card.is-revealed .stat-number {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .error-glow { animation: none; }
}

/* ===========================================
   PAGE 404
   =========================================== */
.page-404 {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

.error-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.error-glow-1 {
  width: 380px;
  height: 380px;
  background: rgba(0, 217, 255, 0.06);
  top: 8%;
  left: 8%;
  animation: floatGlow1 9s ease-in-out infinite;
}
.error-glow-2 {
  width: 280px;
  height: 280px;
  background: rgba(139, 92, 246, 0.06);
  bottom: 20%;
  right: 8%;
  animation: floatGlow2 11s ease-in-out infinite;
}

.error-header {
  position: relative;
  z-index: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1160px;
  margin: 0 auto;
  width: 100%;
}

.error-logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
  transition: opacity var(--transition);
  display: inline-block;
}
.error-logo:hover { opacity: 0.8; }

.error-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.error-card {
  width: 100%;
  max-width: 520px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.error-code {
  font-size: clamp(4.5rem, 18vw, 7rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
  letter-spacing: -0.04em;
}

.error-title {
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

.error-terminal {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.error-terminal-line {
  color: var(--text-muted);
  margin: 0;
  word-break: break-word;
}

.error-terminal-prompt {
  color: var(--green);
  margin-right: 0.35rem;
}

.error-terminal-line--err {
  color: #f87171;
  margin-top: 0.35rem;
}

.error-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.error-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.error-cta .btn {
  min-height: 44px;
  min-width: 44px;
}

@media (max-width: 480px) {
  .error-card {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  .error-cta .btn {
    width: 100%;
    justify-content: center;
  }
}