/* ─────────────────────────────────────────
   VARIÁVEIS GLOBAIS
───────────────────────────────────────── */
:root {
  --bg: #080c14;
  --surface: #0d1220;
  --surface2: #111827;
  --border: rgba(99, 179, 237, 0.12);
  --accent: #63b3ed;
  --accent2: #a78bfa;
  --accent3: #34d399;
  --text: #e2e8f0;
  --muted: #64748b;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─────────────────────────────────────────
   CANVAS BACKGROUND
───────────────────────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ─────────────────────────────────────────
   LAYOUT
───────────────────────────────────────── */
.wrapper {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.hero {
  padding: 80px 0 60px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  border-bottom: 1px solid var(--border);
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
  max-width: 420px;
  line-height: 1.7;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface);
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

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

.hero-status {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.status-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--accent3);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.status-dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent3);
  box-shadow: 0 0 8px var(--accent3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

/* ─────────────────────────────────────────
   NAVEGAÇÃO
───────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  margin: 0 -24px;
  padding: 0 24px;
}

.nav-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-inner::-webkit-scrollbar { display: none; }

.nav-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 16px;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  text-transform: uppercase;
}

.nav-btn:hover { color: var(--text); }

.nav-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ─────────────────────────────────────────
   SEÇÕES
───────────────────────────────────────── */
.section {
  display: none;
  padding-top: 52px;
  animation: fadeUp 0.4s ease both;
}

.section.visible { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─────────────────────────────────────────
   CORES DE DESTAQUE
───────────────────────────────────────── */
.highlight  { color: var(--accent); }
.highlight2 { color: var(--accent2); }
.highlight3 { color: var(--accent3); }

/* ─────────────────────────────────────────
   SEÇÃO: SOBRE
───────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.about-card:hover {
  border-color: rgba(99, 179, 237, 0.3);
  box-shadow: 0 0 24px rgba(99, 179, 237, 0.06);
}

.about-card.wide { grid-column: 1 / -1; }

.card-icon {
  font-size: 22px;
  margin-bottom: 12px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}

.card-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ─────────────────────────────────────────
   SEÇÃO: TECNOLOGIAS
───────────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tech-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.3s, transform 0.2s;
}

.tech-card:hover {
  border-color: rgba(167, 139, 250, 0.3);
  transform: translateY(-2px);
}

.tech-category {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 20px;
}

.skill-row { margin-bottom: 16px; }

.skill-row:last-child { margin-bottom: 0; }

.skill-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 6px;
}

.skill-name { color: var(--text); }

.skill-pct {
  color: var(--muted);
  font-size: 11px;
}

.bar-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 99px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar-fill.go { transform: scaleX(1); }

/* ─────────────────────────────────────────
   SEÇÃO: PROJETOS
───────────────────────────────────────── */
.projects-grid { display: grid; gap: 16px; }

.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
  cursor: default;
}

.proj-card:hover {
  border-color: rgba(52, 211, 153, 0.25);
  box-shadow: 0 0 30px rgba(52, 211, 153, 0.05);
  transform: translateX(4px);
}

.proj-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.proj-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.proj-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.proj-tag {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 4px;
  background: rgba(99, 179, 237, 0.08);
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  border: 1px solid rgba(99, 179, 237, 0.15);
}

.proj-arrow {
  font-size: 18px;
  color: var(--muted);
  transition: color 0.2s, transform 0.2s;
}

.proj-card:hover .proj-arrow {
  color: var(--accent3);
  transform: translateX(4px);
}

/* ─────────────────────────────────────────
   SEÇÃO: CONTATO
───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  transition: border-color 0.3s, transform 0.2s;
}

.contact-card:hover { transform: translateY(-2px); }

.contact-card.email:hover   { border-color: rgba(99, 179, 237, 0.4); }
.contact-card.linkedin:hover { border-color: rgba(10, 102, 194, 0.5); }

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-card.email   .contact-icon { background: rgba(99, 179, 237, 0.1); }
.contact-card.linkedin .contact-icon { background: rgba(10, 102, 194, 0.1); }

.contact-label {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 13px;
  color: var(--text);
  font-family: var(--font-mono);
}

.contact-note {
  grid-column: 1 / -1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.contact-note p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
.footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  font-size: 11px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ─────────────────────────────────────────
   RESPONSIVO
───────────────────────────────────────── */
@media (max-width: 640px) {
  .hero            { grid-template-columns: 1fr; }
  .hero-status     { align-items: flex-start; }
  .about-grid,
  .tech-grid,
  .contact-grid    { grid-template-columns: 1fr; }
  .about-card.wide { grid-column: auto; }
  .proj-card       { grid-template-columns: 1fr; }
  .proj-num,
  .proj-arrow      { display: none; }
}