:root {
  --brand-green: #006847;
  --brand-green-glow: #10b981;
  --brand-red: #CE1126;
  --bg-light: #F8FAFC;
  --text-main: #0F172A;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  overflow-x: hidden;
  margin: 0;
}

.site-header {
  transition: background-color 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.is-scrolled {
  background-color: rgba(11, 17, 32, 0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.45);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.hero-backdrop {
  background: linear-gradient(
    115deg,
    rgba(6, 12, 24, 0.90) 0%,
    rgba(8, 28, 24, 0.80) 52%,
    rgba(11, 17, 32, 0.86) 100%
  );
}

@keyframes pulse-emerald {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55), 0 12px 28px -6px rgba(0, 104, 71, 0.6);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0), 0 16px 34px -4px rgba(0, 104, 71, 0.75);
  }
}

.cta-captura-pulse {
  animation: pulse-emerald 2.8s infinite;
}

.qr-card-frame {
  position: relative;
  overflow: hidden;
}

.qr-scan-bar {
  position: absolute;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-green-glow), var(--brand-red), transparent);
  box-shadow: 0 0 12px var(--brand-green-glow);
  animation: qrScan 3.6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes qrScan {
  0%, 100% { top: 10%; opacity: 0.35; }
  50% { top: 88%; opacity: 0.95; }
}

.touch-target {
  min-height: 44px;
  min-width: 44px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--brand-green-glow);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .qr-scan-bar {
    display: none !important;
  }
}