/* ============================
   COMPONENTES REUTILIZABLES
   ============================ */

/* --- BOTONES --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 16px 40px;
  background: var(--gradient-blue);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.35);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 16px 40px;
  background: transparent;
  color: var(--color-white);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.btn-secondary:hover {
  border-color: var(--color-electric-blue);
  background: rgba(0, 102, 255, 0.08);
  transform: translateY(-2px);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-electric-blue);
  font-weight: 500;
  font-size: var(--text-base);
  transition: gap var(--transition-fast);
}

.btn-arrow:hover {
  gap: var(--space-lg);
}

/* --- TARJETAS --- */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-gray-muted);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 102, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: var(--text-xl);
  color: var(--color-electric-blue);
}

.card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.card p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* --- TARJETA STATS --- */
.stat-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-number .suffix {
  color: var(--color-electric-blue);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* --- BADGE --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-blue {
  background: rgba(0, 102, 255, 0.1);
  color: var(--color-electric-blue);
  border: 1px solid rgba(0, 102, 255, 0.2);
}

.badge-gray {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-gray-text);
  border: 1px solid var(--color-gray-border);
}

/* --- SECTION HEADER --- */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-4xl);
}

.section-header .badge {
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-text);
  max-width: 600px;
  margin: 0 auto;
}

/* --- NAVBAR --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(11, 11, 11, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

.navbar-logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.navbar-logo span {
  color: var(--color-electric-blue);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar-links a {
  font-size: var(--text-sm);
  color: var(--color-gray-text);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-electric-blue);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.navbar-links a:hover {
  color: var(--color-white);
}

.navbar-links a:hover::after {
  transform: scaleX(1);
}

.navbar-cta {
  padding: 10px 24px;
  font-size: var(--text-sm);
}

/* --- GRID LAYOUTS --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

/* --- GLOW EFFECT --- */
.glow {
  position: relative;
}

.glow::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  background: var(--gradient-glow);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
}

/* --- DIVIDER --- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gray-border), transparent);
  margin: 0;
  border: none;
}

/* --- CONTAINER --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* --- PROGRESS BAR (scroll) --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-blue);
  z-index: var(--z-modal);
  transition: width 0.1s linear;
}