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

/* ── Theme tokens ── */
:root, [data-theme="dark"] {
  --bg:        #080c14;
  --bg2:       #0d1220;
  --bg3:       #111827;
  --border:    #1e2d45;
  --cyan:      #00d4ff;
  --cyan2:     #0099cc;
  --orange:    #ff6b35;
  --text:      #d4dce8;
  --muted:     #6b7a8d;
  --white:     #eef2f8;
  --nav-bg:    rgba(8,12,20,0.88);
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
}
[data-theme="light"] {
  --bg:        #f0f4f8;
  --bg2:       #ffffff;
  --bg3:       #e8edf5;
  --border:    #c8d4e0;
  --cyan:      #0077aa;
  --cyan2:     #005580;
  --orange:    #d04e18;
  --text:      #374151;
  --muted:     #6b7280;
  --white:     #111827;
  --nav-bg:    rgba(240,244,248,0.92);
  --shadow:    0 4px 24px rgba(0,0,0,0.1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.35s, color 0.35s;
}

/* ── Canvas ── */
#canvas-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.3;
  transition: opacity 0.5s;
}
[data-theme="light"] #canvas-bg { opacity: 0.1; }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--cyan);
  color: var(--bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.6rem 1.4rem;
  border-radius: 2px;
  z-index: 9999;
  letter-spacing: 0.05em;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}
#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ── Back to top ── */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--cyan);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  box-shadow: 0 4px 16px rgba(0,212,255,0.25);
}
#back-to-top.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
#back-to-top:hover { background: var(--cyan2); }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: 60px;
  background: var(--nav-bg);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s, border-color 0.35s;
}
.nav-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
}
.nav-right { display: flex; align-items: center; gap: 2rem; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--cyan); }

.theme-toggle {
  width: 36px; height: 20px;
  border-radius: 20px;
  background: var(--border);
  border: none;
  cursor: pointer;
  position: relative;
  transition: background 0.3s;
  flex-shrink: 0;
}
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
[data-theme="light"] .theme-toggle::after { transform: translateX(16px); }
.theme-icon {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  user-select: none;
}

/* ── Main ── */
main { position: relative; z-index: 1; max-width: 960px; margin: 0 auto; padding: 0 2rem; }

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 60px;
  padding-bottom: 2rem;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.hero-avatar {
  width: 200px; height: 200px;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  opacity: 0;
  animation: fadeIn 0.8s 0.3s forwards;
}
.avatar-ring {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(var(--cyan) 0%, transparent 60%, var(--cyan) 100%);
  animation: spin 4s linear infinite;
}
.avatar-ring-inner {
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bg);
}
.avatar-content {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--bg2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.hero-text { min-width: 0; }
.hero-pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
  margin-top: 2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.4s forwards;
}
.hero-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.55s forwards;
}
.hero-name span { color: var(--cyan); }
.hero-typed-wrap {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.8rem;
  min-height: 1.4em;
  opacity: 0;
  animation: fadeUp 0.7s 0.7s forwards;
}
.hero-typed-wrap .accent { color: var(--orange); }
#typed-text { color: var(--text); }
.typed-cursor {
  display: inline-block;
  width: 2px; height: 0.9em;
  background: var(--cyan);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}
.hero-desc {
  max-width: 520px;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.85s forwards;
}
.hero-desc strong { color: var(--white); font-weight: 600; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.7s 1s forwards;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: var(--cyan);
  color: var(--bg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
}
.btn-outline:hover { background: rgba(0,212,255,0.06); opacity: 1; }
.hero-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  opacity: 0;
  animation: fadeUp 0.7s 1.1s forwards;
}
.contact-chip {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  background: transparent;
  cursor: pointer;
}
.contact-chip:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,212,255,0.04); }
span.contact-chip { cursor: default; }
span.contact-chip:hover { border-color: var(--border); color: var(--muted); background: transparent; }
.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}
.scroll-hint {
  margin-top: 3.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--border);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  opacity: 0;
  animation: fadeUp 0.7s 1.3s forwards;
}
.scroll-hint::after { content:''; display:block; width:40px; height:1px; background:var(--border); }
.scroll-arrow {
  display: inline-block;
  width: 6px; height: 6px;
  border-right: 1.5px solid var(--border);
  border-bottom: 1.5px solid var(--border);
  transform: rotate(45deg);
  animation: bounce 1.6s ease-in-out infinite;
  margin-right: 0.2rem;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.4; }
  50%       { transform: rotate(45deg) translateY(4px); opacity: 1; }
}

/* ── Sections ── */
section { padding: 6rem 0; border-top: 1px solid var(--border); }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.9rem;
  color: var(--white);
  margin-bottom: 3rem;
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -0.7rem; left: 0;
  width: 36px; height: 2px;
  background: var(--cyan);
}

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Resumo ── */
.resumo-text {
  max-width: 700px;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.9;
  color: var(--text);
}
.resumo-text p + p { margin-top: 1.1rem; }
.resumo-text strong { color: var(--white); font-weight: 600; }

/* ── Skills tag grid ── */
.skills-tag-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.skill-tag-group { }
.skill-group-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.skill-group-title::before {
  content:''; width:7px; height:7px;
  border:1.5px solid var(--cyan);
  display:inline-block;
  transform:rotate(45deg);
  flex-shrink:0;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  padding: 0.22rem 0.6rem;
  border-radius: 2px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: transparent;
  user-select: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  cursor: default;
}
.tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.06);
}
[data-theme="light"] .tag:hover {
  background: rgba(0, 119, 170, 0.08);
}

/* ── Experience ── */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5rem; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
}
.timeline-item { position: relative; padding-bottom: 3.5rem; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.35rem; top: 0.42rem;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}
.timeline-period {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--orange);
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}
.timeline-role {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 0.2rem;
}
.timeline-company {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  color: var(--cyan);
  margin-bottom: 0.2rem;
}
.timeline-location {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.timeline-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.timeline-list li {
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.88rem;
  color: var(--text);
}
.timeline-list li::before { content:'›'; position:absolute; left:0; color:var(--cyan); font-weight:700; }
.timeline-list li strong { color: var(--white); font-weight: 600; }
.timeline-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.2rem; }

/* ── Stats ── */
.stats-row { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-bottom: 3rem; }
.stat-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 0.2rem;
}
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Highlights ── */
.highlights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.highlight-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.3rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s;
}
.highlight-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--cyan);
  opacity: 0;
  transition: opacity 0.25s;
}
.highlight-card:hover { border-color: var(--cyan2); }
.highlight-card:hover::before { opacity: 1; }
.highlight-card p { font-size: 0.88rem; font-weight: 400; line-height: 1.75; color: var(--text); }

/* ── Education ── */
.edu-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  max-width: 580px;
}
.edu-degree {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.3rem;
}
.edu-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--orange);
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}
.edu-desc { font-size: 0.88rem; font-weight: 400; color: var(--muted); line-height: 1.75; }

/* ── Languages ── */
.lang-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.lang-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.2rem 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lang-flag { font-size: 1.5rem; }
.lang-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white);
}
.lang-level {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  color: var(--muted);
}

/* ── Formação extras ── */
.formacao-stats { margin-top: 3rem; }
.card-title { color: var(--white); font-weight: 600; }
.skill-tag-group--wide { margin-top: 2rem; }

/* ── Footer ── */
footer {
  position: relative; z-index: 1;
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
footer a { color: var(--cyan); text-decoration: none; }
footer a:hover { text-decoration: underline; }
.footer-name { margin-bottom: 0.5rem; color: var(--white); font-weight: 600; }

/* ── Keyframes ── */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(18px); }
  to   { opacity:1; transform:none; }
}
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
@keyframes blink  { 50%{opacity:0;} }
@keyframes pulse  { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
@keyframes spin   { to{transform:rotate(360deg);} }

/* ── Hamburger menu ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 0 8px;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 100%; height: 1.5px;
  background: var(--muted);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile-menu {
  position: fixed;
  top: 60px; left: 0; right: 0;
  z-index: 99;
  background: var(--nav-bg);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.nav-mobile-menu.open {
  max-height: 320px;
  padding: 1rem 1.5rem;
}
.nav-mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 0; }
.nav-mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile-menu li:last-child a { border-bottom: none; }
.nav-mobile-menu a:hover { color: var(--cyan); }

/* ── Responsive: Tablet (≤ 900px) ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-avatar { width: 160px; height: 160px; }
  .hero-inner { gap: 2rem; }
  .highlights-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Responsive: Mobile (≤ 640px) ── */
@media (max-width: 640px) {
  nav { padding: 0 1.2rem; }
  main { padding: 0 1.2rem; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-avatar {
    width: 120px; height: 120px;
    order: -1;
    margin: 0 auto;
  }
  .hero-pre { margin-top: 0.5rem; }
  .hero-name { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hero-desc { max-width: 100%; }
  .hero-actions {
    justify-content: center;
  }
  .hero-contacts { justify-content: center; }
  .scroll-hint { justify-content: center; }
  .scroll-hint::after { display: none; }

  section { padding: 4rem 0; }
  .section-title { font-size: 1.55rem; }

  .skills-tag-grid { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .stats-row { gap: 1.5rem; }
  .stat-num { font-size: 2rem; }

  .timeline { padding-left: 1.5rem; }
  .timeline-item::before { left: -1.85rem; }

  .lang-row { flex-direction: column; }
  .lang-card { width: 100%; }

  #back-to-top { bottom: 1.2rem; right: 1.2rem; }
}