/* ==========================================================================
   RECODE // ACADEMY - DESIGN SYSTEM & ACADEMY STYLES (EXPANDED EDITION)
   Portal Educacional de Desintoxicação de Vibe Coding & Soberania no Mercado
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&display=swap');

:root {
  /* Paleta Editorial & Cyber-Slate */
  --bg-dark: #07090e;
  --bg-surface: #0e131f;
  --bg-card: rgba(18, 25, 41, 0.75);
  --bg-card-hover: rgba(25, 35, 56, 0.9);
  --bg-code: #05070b;

  /* Acentos de Alerta & Soberania */
  --accent-cyan: #00f2fe;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;
  --accent-gold: #fbbf24;

  /* Textos */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Sombras & Bordas */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 242, 254, 0.35);
  --border-emerald: rgba(16, 185, 129, 0.35);
  --border-rose: rgba(244, 63, 94, 0.35);
  --border-gold: rgba(251, 191, 36, 0.35);

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 30px rgba(0, 242, 254, 0.15);
  --shadow-glow-emerald: 0 0 30px rgba(16, 185, 129, 0.15);
  --shadow-glow-gold: 0 0 30px rgba(251, 191, 36, 0.15);

  /* Transições */
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* Tipografia */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Background Atmosphere Grid */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
.glow-top-left {
  top: -200px;
  left: -150px;
  background: var(--accent-cyan);
}
.glow-bottom-right {
  bottom: -200px;
  right: -150px;
  background: var(--accent-purple);
}

/* ==========================================================================
   HEADER / NAVBAR MULTI-PAGINA
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 800;
  font-family: var(--font-display);
  font-size: 1.3rem;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.83rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

/* ==========================================================================
   PAGE HEADER & BREADCRUMBS
   ========================================================================== */
.page-header {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 3.5rem 2rem 2.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-cyan);
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
  border-radius: 99px;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.tag-cyan {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.tag-rose {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.tag-emerald {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tag-amber {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-gold {
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-gold);
  border: 1px solid rgba(251, 191, 36, 0.35);
}

.tag-purple {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.35);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.2px;
  margin-bottom: 1.25rem;
  max-width: 1050px;
}

.gradient-title {
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-cyan) 65%, var(--accent-emerald) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-gold {
  background: linear-gradient(135deg, #ffffff 15%, var(--accent-gold) 60%, var(--accent-amber) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 880px;
  line-height: 1.7;
}

/* ==========================================================================
   MAIN CONTENT WRAPPER & GRID LAYOUTS
   ========================================================================== */
.container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem 5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

@media (max-width: 1024px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   EDITORIAL ACADEMY CARDS & MODULE CARDS
   ========================================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.2rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  position: relative;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.card.glow-cyan:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.card.glow-gold:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-glow-gold);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Citação / Quote Científico ou Técnico */
.science-quote {
  background: rgba(255, 255, 255, 0.025);
  border-left: 3px solid var(--accent-cyan);
  padding: 1.25rem 1.6rem;
  border-radius: 0 14px 14px 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: #e2e8f0;
}

.science-author {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-top: 0.5rem;
}

/* ==========================================================================
   CODE COMPARISON BENCH (BEFORE VS AFTER)
   ========================================================================== */
.code-diff-container {
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  overflow: hidden;
  margin: 1.75rem 0;
}

.code-diff-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.code-tabs {
  display: flex;
  gap: 0.5rem;
}

.code-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

.code-tab-btn.active.bad {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

.code-tab-btn.active.good {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.4);
}

.code-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #e2e8f0;
  overflow-x: auto;
  line-height: 1.6;
}

/* ==========================================================================
   VIDEO EMBED CARDS & MEDIA GALLERY
   ========================================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 2rem;
}

@media (max-width: 640px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  overflow: hidden;
  transition: all var(--transition);
}

.video-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-cyan);
}

.video-embed-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  background: #000;
}

.video-embed-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-meta {
  padding: 1.6rem;
}

.video-speaker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
  display: block;
}

.video-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.video-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   BUTTONS & ACTIONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.65rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: none;
}

.btn-cyan {
  background: linear-gradient(135deg, var(--accent-cyan), #00a8e8);
  color: #080a0f;
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.35);
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.55);
}

.btn-emerald {
  background: linear-gradient(135deg, var(--accent-emerald), #059669);
  color: #080a0f;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.35);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(16, 185, 129, 0.55);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
  color: #080a0f;
  box-shadow: 0 0 25px rgba(251, 191, 36, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(251, 191, 36, 0.55);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ==========================================================================
   TABLE SYSTEM COMPARATIVE
   ========================================================================== */
.comparison-table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  background: var(--bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.92rem;
}

.comparison-table th {
  background: rgba(0, 0, 0, 0.4);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1rem;
}

.col-vibe {
  color: #fb7185;
  background: rgba(244, 63, 94, 0.03);
}

.col-sovereign {
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.03);
}

.col-linchpin {
  color: var(--accent-gold);
  background: rgba(251, 191, 36, 0.03);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-light);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.88rem;
  background: rgba(7, 9, 14, 0.6);
}

.footer-quote {
  font-family: var(--font-mono);
  max-width: 780px;
  margin: 0 auto 1.5rem;
  color: var(--text-primary);
}