/* ==========================================================================
   LAYOUT - ESTRUCTURA Y GRID RESPONSIVO
   ========================================================================== */

main {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   HEADER HUD
   ========================================================================== */

.retro-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--border-stone);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  padding: 0.75rem 1.5rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-text {
  font-family: var(--font-pixel);
  font-size: 0.95rem;
  letter-spacing: 1px;
  color: var(--text-main);
}

.logo-text .highlight {
  color: var(--neon-green);
  animation: blinkArrow 0.8s infinite;
}

.status-badge {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  background-color: rgba(85, 255, 85, 0.15);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  padding: 3px 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--neon-green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 10px;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
}

.hud-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-pixel);
  font-size: 2.1rem;
  line-height: 1.35;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-stats-panel {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 1.5rem 1rem;
  margin-bottom: 2.5rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.stat-number {
  font-family: var(--font-pixel);
  font-size: 1.4rem;
  color: var(--neon-green);
  text-shadow: 0 0 10px rgba(85, 255, 85, 0.4);
}

.stat-label {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 2px;
  height: 40px;
  background-color: var(--border-stone);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   SECCIONES COMUNES
   ========================================================================== */

.section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--neon-gold);
  margin-bottom: 0.75rem;
  letter-spacing: 1px;
}

.section-title {
  font-family: var(--font-pixel);
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  letter-spacing: 1px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ==========================================================================
   ESPECIALIDADES GRID
   ========================================================================== */

.specialties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.specialty-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.specialty-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon-cyan);
}

.card-icon-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.specialty-icon {
  font-size: 2rem;
}

.category-pill {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  padding: 4px 8px;
  border: 1px solid var(--border-highlight);
  background-color: var(--bg-darkest);
  color: var(--neon-cyan);
}

.specialty-title {
  font-family: var(--font-pixel);
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
  color: var(--neon-green);
}

.specialty-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.specialty-list {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.specialty-list li {
  position: relative;
  padding-left: 1.25rem;
}

.specialty-list li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--neon-cyan);
}

.card-footer-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mini-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 8px;
  background-color: var(--bg-darker);
  border: 1px solid var(--border-stone);
  color: var(--text-muted);
}

/* ==========================================================================
   PROYECTOS & VIDEOS REJILLA
   ========================================================================== */

.filter-controls-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  margin-bottom: 2.5rem;
  gap: 1.25rem;
  flex-wrap: wrap;
}

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

.filter-btn {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  padding: 8px 14px;
  background-color: var(--bg-darkest);
  border: 2px solid var(--border-stone);
  color: var(--text-muted);
  cursor: pointer;
  box-shadow: var(--pixel-shadow-sm);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

.filter-btn.active {
  background-color: var(--neon-green);
  color: #000000;
  border-color: #000000;
  font-weight: 700;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-darkest);
  border: 2px solid var(--border-stone);
  padding: 4px 10px;
}

.search-icon {
  font-size: 0.9rem;
}

.retro-input {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  width: 220px;
}

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

/* Helper para añadir videos */
.uploader-helper-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  border-color: var(--neon-gold);
  background: linear-gradient(135deg, rgba(20, 26, 36, 0.9) 0%, rgba(255, 170, 0, 0.08) 100%);
  gap: 1.5rem;
  flex-wrap: wrap;
}

.helper-text {
  max-width: 650px;
}

.helper-badge {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--neon-gold);
  background: rgba(255, 170, 0, 0.15);
  border: 1px solid var(--neon-gold);
  padding: 2px 6px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.helper-text h3 {
  font-family: var(--font-pixel);
  font-size: 1rem;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.helper-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   SECCIÓN CONTACTO & TERMINAL
   ========================================================================== */

.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2.5rem;
}

.contact-terminal {
  background-color: #05070a;
  border: 2px solid var(--border-stone);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

.terminal-bar {
  background-color: var(--bg-elevated);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid var(--border-stone);
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5555; }
.terminal-dot.yellow { background: #ffaa00; }
.terminal-dot.green { background: #55ff55; }

.terminal-title {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--text-muted);
  margin-left: 6px;
}

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.prompt-arrow {
  color: var(--neon-green);
  font-weight: 700;
}

.terminal-blink {
  animation: blinkArrow 1.2s infinite;
  color: var(--text-dim);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background-color: var(--bg-darkest);
  border: 2px solid var(--border-stone);
  padding: 1rem 1.25rem;
}

.contact-item-icon {
  font-size: 1.75rem;
}

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

.contact-item-label {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--text-muted);
}

.contact-item-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--neon-cyan);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.retro-footer {
  position: relative;
  z-index: 2;
  border-top: 3px solid var(--border-stone);
  background-color: var(--bg-darkest);
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-brand {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--text-main);
  letter-spacing: 1px;
}

.footer-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MÓVILES & TABLETS)
   ========================================================================== */

@media (max-width: 900px) {
  .contact-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
  }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 0.75rem;
    padding-top: 0.5rem;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .hero-stats-panel {
    flex-direction: column;
    gap: 1.25rem;
  }
  .stat-divider {
    width: 100%;
    height: 2px;
  }
  .filter-controls-container {
    flex-direction: column;
    align-items: stretch;
  }
  .retro-input {
    width: 100%;
  }
}