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

:root {
  --bg: #0d0d0f;
  --bg-alt: #111113;
  --surface: #18181c;
  --surface-2: #222228;
  --border: #2a2a32;
  --text: #e8e8f0;
  --text-muted: #7a7a90;
  --accent: #7c6aff;
  --accent-glow: rgba(124, 106, 255, 0.3);
  --accent-2: #00d4aa;
  --red: #ff5f57;
  --yellow: #febc2e;
  --green: #28c840;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav.menu-open {
  background: rgba(13, 13, 15, 0.97);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  list-style: none;
  flex-direction: column;
  padding: 16px 32px 24px;
  gap: 16px;
  border-top: 1px solid var(--border);
}

.nav-mobile a {
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-mobile a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

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

/* ===== ACCENT ===== */
.accent { color: var(--accent); }

/* ===== STACK TICKER ===== */
.stack-ticker {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px 0;
  margin-top: 48px;
  position: relative;
}

.stack-ticker::before,
.stack-ticker::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.stack-ticker::before {
  left: 0;
  background: linear-gradient(to right, var(--surface), transparent);
}

.stack-ticker::after {
  right: 0;
  background: linear-gradient(to left, var(--surface), transparent);
}

.ticker-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: ticker 30s linear infinite;
}

.ticker-track:hover { animation-play-state: paused; }

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.ticker-item img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: grayscale(20%);
  transition: filter var(--transition), transform var(--transition);
}

.ticker-item:hover img {
  filter: grayscale(0%) drop-shadow(0 0 8px rgba(124,106,255,0.5));
  transform: scale(1.15);
}

.ticker-item span {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
  white-space: nowrap;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 32px 140px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: blobMove 8s ease-in-out infinite alternate;
}

.blob-1 {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -150px; left: -150px;
}

.blob-2 {
  width: 500px; height: 500px;
  background: var(--accent-2);
  bottom: -100px; right: -100px;
  animation-delay: -4s;
}

@keyframes blobMove {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 30px) scale(1.08); }
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 106, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 106, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  max-width: 700px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.dot-online {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(40, 200, 64, 0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(40, 200, 64, 0); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 16px;
}

.hero-name {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 2em;
}

.typed-text {
  color: var(--accent);
  font-weight: 600;
  border-right: 2px solid var(--accent);
  padding-right: 2px;
  animation: blink 0.8s step-end infinite;
}

@keyframes blink {
  0%, 100% { border-color: var(--accent); }
  50%       { border-color: transparent; }
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== HEATMAP ===== */
:root {
  --hm0: #161b22;
  --hm1: #0e4429;
  --hm2: #006d32;
  --hm3: #26a641;
  --hm4: #39d353;
}

.heatmap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}

.heatmap-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.heatmap-gh-icon { width: 18px; height: 18px; color: var(--text); }

.heatmap-count {
  margin-left: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--accent-2);
}

.heatmap-months {
  display: flex;
  gap: 0;
  margin-left: 28px;
  margin-bottom: 4px;
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

.heatmap-months span { flex: 1; }

.heatmap-grid-wrap {
  display: flex;
  gap: 4px;
}

.heatmap-days {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.62rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
  padding-top: 1px;
}

.heatmap-days span {
  height: 11px;
  display: flex;
  align-items: center;
}

.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 11px);
  grid-auto-flow: column;
  gap: 2px;
}

.hm-cell {
  width: 11px; height: 11px;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.hm-cell:hover { opacity: 0.75; outline: 1px solid rgba(255,255,255,0.3); }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  justify-content: flex-end;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.heatmap-legend-squares {
  display: flex;
  gap: 2px;
}

.heatmap-legend-squares div {
  width: 11px; height: 11px;
  border-radius: 2px;
}

.heatmap-tooltip {
  position: absolute;
  background: #1c1c22;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 0.72rem;
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  white-space: nowrap;
  z-index: 10;
  font-family: 'Fira Code', monospace;
}

.heatmap-tooltip.show { opacity: 1; }

/* ===== PHOTO CARD ===== */
.photo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.photo-frame {
  width: 180px; height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box,
              linear-gradient(135deg, var(--accent), var(--accent-2)) border-box;
  box-shadow: 0 0 24px var(--accent-glow);
  flex-shrink: 0;
}

.photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s ease;
}

.photo-card:hover .photo-img { transform: scale(1.06); }
.photo-glow { display: none; }

.photo-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.photo-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.photo-role {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  background: rgba(124,106,255,0.1);
  border: 1px solid rgba(124,106,255,0.25);
  border-radius: 100px;
  padding: 3px 12px;
}

.photo-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.photo-location svg { color: var(--accent); flex-shrink: 0; }

.photo-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--green);
  font-weight: 500;
}

/* ===== MATRIX CANVAS ===== */
#matrixCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.13;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, var(--bg) 100%);
}

/* ===== INFO CARD ===== */
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  text-align: center;
}

.info-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 4px;
}

.info-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.info-role {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  background: rgba(124,106,255,0.1);
  border: 1px solid rgba(124,106,255,0.25);
  border-radius: 100px;
  padding: 3px 14px;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
  width: 100%;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--text-muted);
}

.info-item svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--accent); }

.status-item { color: var(--green); font-weight: 500; }

.info-links {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  width: 100%;
}

.info-link {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
}

.info-link svg { width: 15px; height: 15px; }

.info-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(124,106,255,0.06);
}

/* ===== HERO TERMINAL ===== */
.hero-terminal {
  background: rgba(18, 18, 22, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  max-width: 520px;
  margin: 0 auto 36px;
  text-align: left;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  overflow: hidden;
}

.ht-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.ht-title {
  font-family: 'Fira Code', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.ht-body {
  padding: 18px 20px;
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 2;
  min-height: 130px;
}

.ht-line { display: flex; align-items: baseline; gap: 8px; }
.ht-prompt { color: var(--accent); user-select: none; }
.ht-cmd { color: var(--text); }
.ht-out { color: var(--text-muted); padding-left: 16px; }
.ht-out .hl { color: var(--accent-2); font-weight: 600; }
.ht-out .ok { color: var(--green); }
.ht-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--accent);
  vertical-align: middle;
  animation: blink 0.8s step-end infinite;
}

/* ===== SCROLL INDICATOR ===== */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollAnim 1.5s ease-in-out infinite;
}

@keyframes scrollAnim {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 32px;
}

.section-alt {
  background: var(--bg-alt);
}

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

.section-label {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

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

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 56px;
}

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

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== JOURNEY ===== */
.about-journey {
  display: flex;
  align-items: center;
  margin-top: 32px;
  gap: 0;
}

.journey-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.journey-year {
  font-family: 'Fira Code', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.journey-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--surface-2);
  position: relative;
  z-index: 1;
}

.journey-dot.active {
  background: var(--accent);
  border-color: var(--bg);
  box-shadow: 0 0 0 3px var(--accent-glow);
  animation: pulse 2s infinite;
}

.journey-dot.future {
  background: transparent;
  border: 2px dashed var(--border);
}

.journey-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
}

.hourglass { display: inline-block; }

.journey-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
  opacity: 0.4;
  margin-bottom: 18px;
}

/* ===== CODE CARD ===== */
.about-card {
  display: flex;
  justify-content: center;
}

.about-card-inner {
  width: 100%;
  max-width: 420px;
}

.code-snippet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.dot.red    { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green  { background: var(--green); }

.code-filename {
  font-family: 'Fira Code', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.code-body {
  padding: 20px;
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 1.9;
  white-space: pre;
  overflow-x: auto;
}

.kw   { color: #c792ea; }
.var  { color: var(--accent-2); }
.prop { color: #80cbc4; }
.str  { color: #c3e88d; }

/* ===== O QUE ME DIFERENCIA ===== */
.diferencial-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-left: 2px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}

.diferencial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.diferencial-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
}

.diferencial-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(124, 106, 255, 0.1);
}

.diferencial-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.diferencial-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.diferencial-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== SKILLS ===== */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.skill-category:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.skill-cat-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--transition);
}

.skill-tag.featured {
  background: rgba(124, 106, 255, 0.12);
  border-color: rgba(124, 106, 255, 0.4);
  color: var(--accent);
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

/* ===== IDIOMAS ===== */
.langs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.lang-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all var(--transition);
}

.lang-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(124, 106, 255, 0.1);
}

.lang-flag img {
  width: 48px;
  height: 36px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

.lang-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.lang-level {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  font-family: 'Fira Code', monospace;
}

.lang-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.lang-bar-wrap {
  height: 4px;
  background: var(--surface-2);
  border-radius: 99px;
  margin-top: 6px;
  overflow: hidden;
}

.lang-bar {
  height: 100%;
  width: var(--pct);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 99px;
  transition: width 1s ease;
}

/* ===== PROJETOS ===== */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(124, 106, 255, 0.12);
}

.project-card:hover::before {
  transform: scaleX(1);
}

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

.project-icon { font-size: 1.8rem; }

.project-links {
  display: flex;
  gap: 12px;
}

.project-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--transition);
}

.project-link svg { width: 14px; height: 14px; flex-shrink: 0; }

.project-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(124, 106, 255, 0.1);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  flex: 1;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.project-stack span {
  font-size: 0.75rem;
  font-family: 'Fira Code', monospace;
  color: var(--accent-2);
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 4px;
  padding: 3px 10px;
}

/* ===== PROJECT MODAL ===== */
.project-card { cursor: pointer; }

.proj-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.proj-modal-overlay.open { display: flex; }

.proj-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: projSlideUp 0.25s ease;
}

@keyframes projSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.proj-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
  transition: all var(--transition);
}
.proj-modal-close:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.proj-modal-gallery {
  width: 100%;
  max-height: 480px;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #0a0a0b;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.proj-modal-gallery img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: contain;
  display: block;
}

.proj-modal-content { padding: 28px 32px 32px; }
.proj-modal-content h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.proj-modal-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.proj-modal-stack {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 28px;
}
.proj-modal-stack span {
  font-size: 0.78rem;
  font-family: 'Fira Code', monospace;
  color: var(--accent-2);
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 4px;
  padding: 4px 12px;
}

.proj-modal-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.proj-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}
.proj-btn--gh {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid var(--border);
}
.proj-btn--gh:hover { border-color: var(--text); background: rgba(255,255,255,0.08); }
.proj-btn--demo {
  background: var(--accent); color: #fff;
  border: 1px solid transparent;
}
.proj-btn--demo:hover {
  background: var(--accent-hover, #7c3aed);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(139,92,246,0.35);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 28px;
  transition: all var(--transition);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateX(6px);
  box-shadow: -4px 0 30px rgba(124, 106, 255, 0.15);
}

.contact-icon {
  width: 48px; height: 48px;
  background: rgba(124, 106, 255, 0.1);
  border: 1px solid rgba(124, 106, 255, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-icon svg { width: 22px; height: 22px; }

.contact-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.contact-value {
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color var(--transition), transform var(--transition);
}

.contact-card:hover .contact-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

.btn-download-cv {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--transition);
  text-align: center;
}

.btn-download-cv:hover {
  background: var(--accent-hover, #7c3aed);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

/* ===== FOOTER ===== */
.footer {
  padding: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== DEMO LINK ===== */
.demo-link { color: var(--accent-2) !important; border-color: rgba(0,212,170,.3) !important; }
.demo-link:hover { background: rgba(0,212,170,.1) !important; border-color: var(--accent-2) !important; }

/* ===== CERTIFICATES ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: all var(--transition);
}

.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(124, 106, 255, 0.1);
}

.cert-badge {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 100px;
}

.cert-badge.active {
  background: rgba(40, 200, 64, 0.12);
  border: 1px solid rgba(40, 200, 64, 0.35);
  color: var(--green);
}

.cert-icon {
  font-size: 1.8rem;
  margin-bottom: 4px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 6px;
}

.cert-icon--wide {
  width: 120px;
  height: auto;
}

.cert-icon--wide img {
  width: 120px;
  height: auto;
  border-radius: 4px;
}

.cert-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.2px;
  padding-right: 48px;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.cert-period {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.cert-tags span {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
}

.cert-view-btn {
  margin-top: 10px;
  align-self: flex-start;
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.cert-view-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(124, 106, 255, 0.4);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--accent-2);
  box-shadow: 0 4px 24px rgba(0, 212, 170, 0.4);
}

/* ===== CERT MODAL ===== */
.cert-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.cert-modal.open { display: flex; }

.cert-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
}

.cert-modal-box {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

.cert-modal-img {
  display: block;
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.cert-modal-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.cert-modal-close:hover { background: rgba(255,255,255,0.15); }

/* ===== CERTS TOGGLE ===== */
.cert-card.extra { display: none; }
.cert-card.extra.visible { display: flex; }

.certs-toggle {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.btn-ver-mais {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 100px;
  padding: 12px 28px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
}

.btn-ver-mais:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.toggle-arrow {
  display: inline-block;
  transition: transform var(--transition);
  font-size: 1rem;
}

.btn-ver-mais.open .toggle-arrow { transform: rotate(180deg); }

/* ===== TIMELINE ===== */
.timeline { display: flex; flex-direction: column; gap: 0; }

.timeline-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0 24px;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 6px;
}

.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
  flex-shrink: 0;
  z-index: 1;
}

.timeline-line {
  flex: 1;
  width: 2px;
  background: var(--border);
  margin-top: 6px;
}

.timeline-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 32px;
  transition: border-color var(--transition);
}

.timeline-card:hover { border-color: var(--accent); }

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.timeline-role {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}

.timeline-company {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

.timeline-dot.edu { background: var(--accent-2); box-shadow: 0 0 0 2px var(--accent-2); }
.timeline-company.edu { color: var(--accent-2); }

.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.timeline-period {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
  white-space: nowrap;
}

.timeline-location {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.timeline-bullets li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
  top: 4px;
}

.timeline-bullets strong { color: var(--text); font-weight: 600; }

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-tags span {
  font-size: 0.75rem;
  font-family: 'Fira Code', monospace;
  color: var(--accent);
  background: rgba(124, 106, 255, 0.08);
  border: 1px solid rgba(124, 106, 255, 0.2);
  border-radius: 4px;
  padding: 3px 10px;
}

@media (max-width: 600px) {
  .timeline-header { flex-direction: column; }
  .timeline-meta { align-items: flex-start; }
  .timeline-card { padding: 20px; }
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }

  .hero { padding: 100px 20px 140px; }
  .hero-title { letter-spacing: -1px; }
  .hero-terminal { margin: 0 0 28px; }
  .ht-body { font-size: 0.75rem; min-height: 110px; padding: 14px 16px; }

  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-card { order: -1; }
  .about-stats { gap: 20px; flex-wrap: wrap; }
  .about-journey { overflow-x: auto; padding-bottom: 4px; }
  .journey-desc { font-size: 0.65rem; }
  .journey-year { font-size: 0.62rem; }

  .photo-frame { width: 140px; height: 140px; }

  .skills-categories { grid-template-columns: 1fr 1fr; }

  .timeline-header { flex-direction: column; gap: 8px; }
  .timeline-meta { align-items: flex-start; }
  .timeline-card { padding: 20px; }
  .timeline-bullets li { font-size: 0.85rem; }

  .certs-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .contact-card { padding: 16px 20px; }
  .section-title { letter-spacing: -0.5px; }
}

@media (max-width: 480px) {
  .section { padding: 64px 16px; }
  .nav-inner { padding: 16px 20px; }
  .nav-mobile { padding: 16px 20px 24px; }
  .hero { padding: 100px 16px 130px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 280px; }

  .skills-categories { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }

  .about-stats { gap: 16px; }
  .stat-num { font-size: 1.6rem; }

  .timeline-item { grid-template-columns: 24px 1fr; gap: 0 16px; }
  .timeline-card { padding: 16px; }

  .contact-value { font-size: 0.82rem; }

  .photo-frame { width: 120px; height: 120px; }
  .photo-card { padding: 28px 20px; }

  .ht-body { font-size: 0.7rem; padding: 12px 14px; }
}