/* ==========================================================================
   PORTFÓLIO RETRÔ / DEV TRINDADE — LUCIVALDO JUNIOR
   Arquitetura de Temas Dinâmicos: Backend, DevOps & Frontend/Gamer
   ========================================================================== */

:root {
  --font-code: 'Fira Code', monospace;
  --font-retro: 'VT323', monospace;
  --font-pixel: 'Press Start 2P', monospace;

  /* Padrão Base (Backend Mode) */
  --bg-color: #0b0f14;
  --bg-surface: #121820;
  --bg-surface-hover: #192330;
  --border-color: #1e293b;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  
  --accent-color: #10b981; /* Esmeralda / Terminal */
  --accent-glow: rgba(16, 185, 129, 0.35);
  --accent-secondary: #059669;

  --terminal-bg: #06090e;
  --terminal-border: #1b2533;
}

/* ☕ MODO 1: BACKEND (Terminal Hacker / Matrix / Go & Java) */
body.mode-backend {
  --bg-color: #090d12;
  --bg-surface: #10161f;
  --bg-surface-hover: #17202c;
  --border-color: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-color: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.4);
  --accent-secondary: #34d399;
}

/* 🐧 MODO 3: SYSOPS (Cyber Blueprint / Cloud Docker & AWS) */
body.mode-sysops,
body.mode-devops {
  --bg-color: #060e18;
  --bg-surface: #0c1a2d;
  --bg-surface-hover: #132742;
  --border-color: #1e3a5f;
  --text-main: #f0f9ff;
  --text-muted: #7dd3fc;
  --accent-color: #00f0ff;
  --accent-glow: rgba(0, 240, 255, 0.4);
  --accent-secondary: #38bdf8;
}

/* 🕹️ MODO 1: FRONTEND & GAMER (Arcade Neon 16-Bit / PaiD'égua Gold) */
body.mode-frontend {
  --bg-color: #120a1c;
  --bg-surface: #1d122d;
  --bg-surface-hover: #291a3f;
  --border-color: #3b205f;
  --text-main: #fff7ed;
  --text-muted: #fca5a5;
  --accent-color: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.45);
  --accent-secondary: #ec4899;
}

/* Reset Básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-code);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.4s ease, color 0.3s ease;
  overflow-x: hidden;
  position: relative;
}

/* ==========================================================================
   SCANLINES CRT (Efeito Monitor de Tubo Retrô)
   ========================================================================== */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.28) 50%
  ),
  radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0) 65%,
    rgba(0, 0, 0, 0.5) 100%
  );
  background-size: 100% 4px, 100% 100%;
  opacity: 0.75;
  transition: opacity 0.3s ease;
}

.crt-overlay.disabled {
  display: none;
}

/* ==========================================================================
   TOP NAVIGATION & SELETOR ARCADE
   ========================================================================== */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.5rem;
  background-color: rgba(11, 15, 20, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--border-color);
  transition: border-color 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.pixel-bracket {
  color: var(--accent-color);
}

.brand-name {
  color: var(--text-main);
  letter-spacing: 1px;
}

.domain-tag {
  font-size: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--accent-color);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.4rem;
}

/* Seletor de Classes */
.class-selector {
  display: flex;
  gap: 0.5rem;
  background: var(--bg-surface);
  padding: 0.3rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.class-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 0.4rem 0.85rem;
  font-family: var(--font-code);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.25s ease;
}

.class-btn .key-hint {
  font-size: 0.65rem;
  padding: 0.05rem 0.3rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.class-btn:hover {
  color: var(--text-main);
  background: var(--bg-surface-hover);
}

.class-btn.active {
  background: var(--accent-color);
  color: #000;
  font-weight: 700;
  border-color: var(--accent-color);
  box-shadow: 0 0 12px var(--accent-glow);
}

.class-btn.active .key-hint {
  background: rgba(0, 0, 0, 0.25);
  border-color: rgba(0, 0, 0, 0.4);
  color: #000;
}

.crt-btn {
  background: var(--bg-surface);
  color: var(--accent-color);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-code);
  font-size: 0.78rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.crt-btn:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ==========================================================================
   HERO SECTION & 3-WAY SPLIT (ADHAM DANNAWAY STYLE)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 1.5rem;
  overflow: hidden;
}

.hero-split-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  opacity: 0.18;
  z-index: 1;
  pointer-events: all;
}

.split-slice {
  flex: 1;
  height: 100%;
  position: relative;
  border-right: 1px solid var(--border-color);
  transition: opacity 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  display: flex;
  align-items: flex-end;
  padding-bottom: 2rem;
  justify-content: center;
}

.split-slice:last-child {
  border-right: none;
}

.split-slice:hover,
.split-slice.active {
  opacity: 0.45;
  border-color: var(--accent-color);
  box-shadow: inset 0 0 35px var(--accent-glow);
}

.slice-indicator {
  font-family: var(--font-retro);
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.65);
  padding: 0.2rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.split-slice.active .slice-indicator,
.split-slice:hover .slice-indicator {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.slice-frontend {
  background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.25), transparent 70%);
}

.slice-backend {
  background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.25), transparent 70%);
}

.slice-sysops,
.slice-devops {
  background: radial-gradient(circle at 70% 30%, rgba(0, 240, 255, 0.25), transparent 70%);
}

/* Conteúdo Central do Hero */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  pointer-events: none; /* Não bloqueia a detecção de mouse nas fatias */
}

/* Permite cliques apenas nos botões e interações reais */
.hero-content .badge-role,
.hero-content .terminal-telemetry,
.hero-content .hero-actions,
.hero-content a,
.hero-content button {
  pointer-events: auto;
}

.badge-role {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-color);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--accent-color);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  box-shadow: 0 0 14px var(--accent-glow);
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
  min-height: 3.8rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.7;
}

/* Terminal Telemetry Box */
.terminal-telemetry {
  width: 100%;
  max-width: 580px;
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: 8px;
  text-align: left;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin: 0.8rem 0;
  overflow: hidden;
}

.term-header {
  background: #0d121a;
  padding: 0.5rem 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid var(--terminal-border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.term-title {
  font-size: 0.72rem;
  color: #64748b;
  margin-left: 0.5rem;
}

.term-body {
  padding: 0.8rem 1rem;
  font-size: 0.85rem;
}

.term-line {
  margin-bottom: 0.25rem;
}

.prompt {
  color: var(--accent-color);
  font-weight: 700;
}

.term-output {
  color: var(--accent-secondary);
  font-family: var(--font-code);
  font-size: 0.8rem;
}

/* Botões Estilo Pixel / Arcade */
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.pixel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-code);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}

.pixel-btn.primary {
  background: var(--accent-color);
  color: #000;
  border: 2px solid var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
}

.pixel-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--accent-glow);
}

.pixel-btn.secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

.pixel-btn.secondary:hover {
  border-color: var(--accent-color);
  background: var(--bg-surface-hover);
  transform: translateY(-2px);
}

.pixel-btn.outline {
  background: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
}

.pixel-btn.outline:hover {
  background: var(--accent-color);
  color: #000;
  transform: translateY(-2px);
}

/* ==========================================================================
   SEÇÕES GERAIS
   ========================================================================== */
.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.section-header {
  margin-bottom: 2.8rem;
  text-align: left;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.glow {
  color: var(--accent-color);
  text-shadow: 0 0 8px var(--accent-glow);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.4rem;
}

/* ==========================================================================
   PROJETOS (GRID RETRÔ)
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-color);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.project-card:hover::before {
  opacity: 1;
}

.card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 1px;
  margin-bottom: 0.6rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.card-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
}

.card-techs span {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--text-muted);
}

.card-actions {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.card-link {
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-main);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all 0.2s ease;
}

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

.card-link.highlight {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
  font-weight: 700;
}

/* ==========================================================================
   SOBRE & TRAJETÓRIA
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-text strong {
  color: var(--text-main);
}

.stack-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.stack-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 1px;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.stack-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.85rem;
}

.stack-list li strong {
  color: var(--accent-secondary);
}

/* ==========================================================================
   CONTATO & FOOTER
   ========================================================================== */
.contact-section {
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.contact-section .section-header {
  text-align: center;
}

.contact-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   RESPONSIVIDADE (MOBILE & TABLETS)
   ========================================================================== */
@media (max-width: 768px) {
  .top-nav {
    flex-direction: column;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
  }

  .class-selector {
    width: 100%;
    justify-content: space-between;
  }

  .class-btn {
    font-size: 0.72rem;
    padding: 0.35rem 0.5rem;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-split-container {
    display: none; /* Simplifica a visão em telas pequenas */
  }
}