/* Reversa Docs - Design System Premium Cinematográfico */

:root {
  --bg-main: #070d1e;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-gold: rgba(212, 175, 55, 0.35);
  --border-light: rgba(255, 255, 255, 0.08);
  --gold: #d4af37;
  --gold-light: #fef08a;
  --gold-glow: rgba(212, 175, 55, 0.25);
  --cyan: #38bdf8;
  --emerald: #10b981;
  --purple: #a855f7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(56, 189, 248, 0.06) 0%, transparent 40%),
    linear-gradient(180deg, #070d1e 0%, #0b1329 100%);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* NAVBAR SUPERIOR */
.docs-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 13, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.3) 0%, rgba(56, 189, 248, 0.2) 100%);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--gold-glow);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #ffffff 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* NAV LINKS */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: var(--gold-light);
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--border-gold);
  box-shadow: 0 0 12px var(--gold-glow);
}

.nav-btn-votacao {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #d4af37 0%, #b8972e 100%);
  color: #070d1e !important;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(212, 175, 55, 0.4);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  margin-left: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-btn-votacao:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.65);
  background: linear-gradient(135deg, #f3e5ab 0%, #d4af37 100%);
  color: #050a17 !important;
}

/* CONTAINER PRINCIPAL */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* HERO SECTION */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 30%, #e2e8f0 70%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* BOTOES */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #d4af37 0%, #b8972e 100%);
  color: #070d1e;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* CARDS E GRIDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px var(--gold-glow);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--gold-light);
  font-size: 1.35rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  color: #ffffff;
}

.card-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex: 1;
}

/* STATS */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr));
  gap: 1.25rem;
  margin: 3rem 0;
}

.stat-box {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.stat-value {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--gold-light);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
}

/* SEÇÃO DE VÍDEO AULAS */
.video-tutorials-section {
  margin: 4.5rem 0;
  position: relative;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 2rem;
  margin: 2.5rem 0;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0,0,0,0.5), 0 0 25px var(--gold-glow);
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: #fef08a;
  box-shadow: 0 20px 45px rgba(0,0,0,0.7), 0 0 35px rgba(212, 175, 55, 0.4);
}

.video-iframe-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  overflow: hidden;
  border-bottom: 1px solid var(--border-gold);
}

.video-iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.video-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  width: fit-content;
}

.video-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.video-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 1.25rem;
}

.video-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--cyan);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.video-footer-link:hover {
  color: #ffffff;
  transform: translateX(3px);
}

/* FOOTER */
.docs-footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-subtle);
  font-size: 0.88rem;
  line-height: 1.6;
}

.docs-footer a {
  color: var(--gold-light);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px dashed rgba(212, 175, 55, 0.6);
  padding-bottom: 2px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.docs-footer a:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.8), 0 0 20px rgba(56, 189, 248, 0.5);
  transform: translateY(-1px);
}

/* RESPONSIVO */
@media (max-width: 768px) {
  .docs-header {
    flex-direction: column;
    padding: 0.85rem 1rem;
    gap: 0.75rem;
  }
  .nav-links {
    justify-content: center;
    gap: 0.25rem;
    flex-wrap: wrap;
  }
  .nav-link {
    font-size: 0.78rem;
    padding: 0.35rem 0.6rem;
  }
  .container {
    padding: 1.5rem 1rem 3rem;
  }
  .hero {
    padding: 2.5rem 0.5rem 2rem;
  }
  .stat-value {
    font-size: 1.8rem;
  }
  .card {
    padding: 1.25rem;
  }
  .video-card-content {
    padding: 1.25rem;
  }
}