/* Nexus Flow Dynamics Design System */
:root {
  --bg-dark: #0B0F19;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(28, 40, 65, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.25);
  --cyan-primary: #00F2FE;
  --blue-primary: #4FACFE;
  --text-main: #FFFFFF;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
}

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

.brand {
  display: flex;
  flex-direction: column;
}

.brand-badge {
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--cyan-primary);
  font-weight: 700;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--cyan-primary);
}

.btn-docente {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main) !important;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(79, 172, 254, 0.05) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--cyan-primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--cyan-primary);
  box-shadow: 0 0 10px var(--cyan-primary);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #FFFFFF 60%, var(--cyan-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 2.5rem;
}

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

.btn-primary {
  padding: 0.85rem 1.75rem;
  background: linear-gradient(135deg, var(--cyan-primary), var(--blue-primary));
  color: #0B0F19;
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.3);
}

.btn-secondary {
  padding: 0.85rem 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-muted);
}

/* Sections */
.section {
  padding: 5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-dark {
  background: rgba(18, 26, 43, 0.3);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  max-width: 100%;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--cyan-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-inst {
  font-size: 0.8rem;
  color: var(--cyan-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-features {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
}

.card-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-features li::before {
  content: "✔";
  color: var(--cyan-primary);
  font-size: 0.75rem;
}

.card-link {
  color: var(--cyan-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Lab Grid */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
}

.lab-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--cyan-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
}

.lab-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.lab-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-group .tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-main);
}

/* Bots Grid */
.bots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.bot-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.2s, border-color 0.2s;
}

.bot-btn:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-primary);
}

.bot-ico {
  font-size: 1.8rem;
}

.bot-txt strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-main);
}

.bot-txt span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Section Docente */
.section-docente {
  background: radial-gradient(circle at center, rgba(18, 26, 43, 0.8) 0%, var(--bg-dark) 100%);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.docente-container {
  max-width: 800px;
  margin: 0 auto;
}

.docente-container h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.docente-container p {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.docente-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat-box {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cyan-primary);
}

.stat-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 140px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  background: #080B12;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 1px;
}

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

.footer-legal p {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: right;
}

.privacy-note {
  color: var(--cyan-primary) !important;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .footer-container { flex-direction: column; text-align: center; }
  .footer-legal p { text-align: center; }
  .nav-links { display: none; }
}

/* Status Badges */
.status-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  width: fit-content;
}
.status-badge.live {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.status-badge.staging {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}
.status-badge.broadcast {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.4);
}

/* ==========================================================================
   Comunidad Seguridad Vial Motorizados — Estilos y Componentes
   ========================================================================== */

.community-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(14, 165, 233, 0.12) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 16px;
  padding: 1.75rem 2rem;
  margin: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(245, 158, 11, 0.2);
}

.community-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: #f59e0b;
}

.community-banner-content {
  max-width: 750px;
}

.community-banner-tag {
  display: inline-block;
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.community-banner h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 0.4rem;
}

.community-banner p {
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.5;
}

.btn-community-enter {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0b0f19;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-community-enter:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

@media (max-width: 768px) {
  .community-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
  }
  .btn-community-enter {
    width: 100%;
    justify-content: center;
  }
}