:root {
  --bg-color: #0b0f19;
  --card-bg: rgba(23, 32, 54, 0.6);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.25);
  --accent-blue: #3b82f6;
  --font-family: 'Plus Jakarta Sans', sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  overflow-x: hidden;
  position: relative;
}

/* Efectos de fondo ambiental */
.background-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: 0;
  pointer-events: none;
}

.container {
  max-width: 900px;
  width: 100%;
  z-index: 1;
}

/* Encabezado */
.header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  margin-bottom: 1rem;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Estilo Base de Tarjetas */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tarjeta Dinámica de Estado */
.status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.status-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.status-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: 0.3s;
}

.status-card.secure {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 10px 30px -10px var(--accent-green-glow);
}

.status-card.secure .status-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.status-card.insecure {
  border-color: rgba(239, 68, 68, 0.3);
  box-shadow: 0 10px 30px -10px var(--accent-red-glow);
}

.status-card.insecure .status-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.status-card h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.status-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Etiqueta de Protocolo */
.protocol-tag {
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.tag-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.tag-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Grid Comparativa */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-card {
  position: relative;
  margin-bottom: 0;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.feature-list {
  list-style: none;
  font-size: 0.88rem;
}

.feature-list li {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Pasos Explicativos */
.info-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.info-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step-text strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.step-text p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.4;
}

footer {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 2rem;
}

@media (max-width: 600px) {
  .header h1 {
    font-size: 1.8rem;
  }
  .status-card {
    flex-direction: column;
    align-items: flex-start;
  }
}