/* Healthy-Track Premium Landing Page Styles */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary-emerald: #10B981;
  --deep-emerald: #059669;
  --mint-accent: #34D399;
  --cyan-telemetry: #06B6D4;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Gradients & Grids */
.bg-grid-pattern {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
}

html.light .bg-grid-pattern {
  background-image: 
    linear-gradient(to right, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

/* Glassmorphism Classes */
.glass-card {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

html.light .glass-card {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.9) !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.03) !important;
}

.glass-nav {
  background: rgba(11, 17, 32, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

html.light .glass-nav {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9) !important;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.02) !important;
}

/* Glow Badges and Accents */
.emerald-glow {
  box-shadow: 0 0 40px -10px rgba(16, 185, 129, 0.4);
}

.emerald-glow-sm {
  box-shadow: 0 0 20px -5px rgba(16, 185, 129, 0.35);
}

html.light .emerald-glow {
  box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.25), 0 8px 10px -6px rgba(16, 185, 129, 0.2) !important;
}

html.light .emerald-glow-sm {
  box-shadow: 0 4px 12px -2px rgba(16, 185, 129, 0.2) !important;
}

.text-gradient {
  background: linear-gradient(135deg, #059669 0%, #10B981 50%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.dark .text-gradient {
  background: linear-gradient(135deg, #10B981 0%, #34D399 50%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-subtle {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.dark .text-gradient-subtle {
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 50%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Light Mode Comprehensive UI Polishing */
html.light body {
  background-color: #F8FAFC !important;
  color: #1E293B !important;
}

/* Soften glow orbs in light mode */
html.light .bg-grid-pattern .blur-3xl {
  opacity: 0.3 !important;
}

/* Light Mode Interactive Buttons & Lists */
html.light .meal-demo-btn:not(.bg-emerald-600) {
  background-color: #FFFFFF !important;
  color: #334155 !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

html.light .meal-demo-btn:not(.bg-emerald-600):hover {
  background-color: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
}

html.light .fasting-stage-btn:not(.bg-emerald-600) {
  background-color: #FFFFFF !important;
  color: #475569 !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

html.light .fasting-stage-btn:not(.bg-emerald-600):hover {
  background-color: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
}

html.light .fasting-stage-btn:not(.bg-emerald-600) .text-slate-200,
html.light .fasting-stage-btn:not(.bg-emerald-600) .text-slate-300 {
  color: #0F172A !important;
}

html.light .fasting-stage-btn:not(.bg-emerald-600) .text-slate-400 {
  color: #64748B !important;
}

/* Fasting gauge ring in light mode */
html.light #fasting circle[stroke="#1E293B"] {
  stroke: #E2E8F0 !important;
}

html.light #fasting-stage-name {
  color: #0F172A !important;
}

html.light #fasting-stage-headline {
  color: #0F172A !important;
}

html.light #fasting-stage-desc {
  color: #475569 !important;
}

/* Dynamic cards within interactive sections */
html.light #nutrition .p-5.rounded-2xl {
  background-color: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.03) !important;
}

html.light #nutrition .p-5.rounded-2xl .bg-slate-800\/60 {
  background-color: #F8FAFC !important;
  border-color: #E2E8F0 !important;
}

html.light #fasting .p-6.sm\:p-8.rounded-2xl {
  background-color: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.03) !important;
}

/* FAQ in light mode */
html.light .faq-item {
  background: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
}

html.light .faq-trigger {
  color: #0F172A !important;
}

html.light .faq-trigger:hover {
  color: #059669 !important;
}

html.light .faq-content {
  color: #475569 !important;
  border-top-color: #F1F5F9 !important;
}

html.light .faq-icon {
  color: #64748B !important;
}

/* Modal in light mode */
html.light #modal-content-card {
  background-color: #FFFFFF !important;
  border-color: #A7F3D0 !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15) !important;
}

html.light #modal-content-card h3 {
  color: #0F172A !important;
}

html.light #modal-content-card p {
  color: #475569 !important;
}

html.light #modal-content-card .bg-slate-800\/80 {
  background-color: #F8FAFC !important;
  border-color: #E2E8F0 !important;
  color: #0F172A !important;
}

html.light #modal-content-card .bg-slate-800\/80:hover {
  background-color: #F1F5F9 !important;
  color: #059669 !important;
}

html.light #copy-download-link {
  border-color: #CBD5E1 !important;
  color: #475569 !important;
}

html.light #copy-download-link:hover {
  background-color: #F8FAFC !important;
  color: #0F172A !important;
}

html.light #modal-close-btn {
  color: #64748B !important;
}

html.light #modal-close-btn:hover {
  background-color: #F1F5F9 !important;
  color: #0F172A !important;
}

html.light #modal-content-card .bg-slate-800\/50 {
  background-color: #ECFDF5 !important;
  border-color: #A7F3D0 !important;
  color: #065F46 !important;
}

/* Laser Scan Animation for AI Meal Camera */
@keyframes laserSweep {
  0% { top: 12%; opacity: 0.2; }
  50% { opacity: 1; }
  100% { top: 88%; opacity: 0.2; }
}

.animate-laser {
  animation: laserSweep 3s ease-in-out infinite alternate;
}

/* Floating Device Animation */
@keyframes floatGentle {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(0.5deg);
  }
}

.floating-mockup {
  animation: floatGentle 6s ease-in-out infinite;
}

/* Pulse Ring Animation */
@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 0.4; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.animate-pulse-ring {
  animation: pulseRing 4s ease-in-out infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0B1120;
}

html.light ::-webkit-scrollbar-track {
  background: #F1F5F9;
}

::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: 4px;
}

html.light ::-webkit-scrollbar-thumb {
  background: #CBD5E1;
}

::-webkit-scrollbar-thumb:hover {
  background: #10B981;
}

/* Mobile responsive fixes */
@media (max-width: 768px) {
  .hero-headline {
    font-size: 2.25rem !important;
    line-height: 2.75rem !important;
  }
}