/* Custom Styles & Design System for Neural OS Landing Page */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Dark Theme Default */
  --bg-primary: #030712;
  --bg-secondary: #0b0f19;
  --bg-tertiary: #111827;
  
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  
  --glass-bg: rgba(17, 24, 39, 0.65);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --accent-primary: #6366f1;
  --accent-secondary: #a855f7;
  --accent-cyan: #06b6d4;
  --accent-glow: rgba(99, 102, 241, 0.25);
  
  --card-bg: rgba(15, 23, 42, 0.6);
  --input-bg: rgba(17, 24, 39, 0.8);
}

.light {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #475569;
  
  --border-color: rgba(0, 0, 0, 0.12);
  --border-hover: rgba(0, 0, 0, 0.22);
  
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.06);
  
  --accent-primary: #4f46e5;
  --accent-secondary: #9333ea;
  --accent-cyan: #0891b2;
  --accent-glow: rgba(79, 70, 229, 0.15);
  
  --card-bg: rgba(255, 255, 255, 0.95);
  --input-bg: rgba(241, 245, 249, 0.95);
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* Glassmorphism Utilities */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-panel-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel-hover:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px 0 var(--accent-glow);
}

.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

/* Mesh & Radial Gradients */
.bg-mesh {
  background-image: 
    radial-gradient(at 20% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 10%, rgba(168, 85, 247, 0.15) 0px, transparent 50%),
    radial-gradient(at 50% 80%, rgba(6, 182, 212, 0.12) 0px, transparent 50%);
}

.light .bg-mesh {
  background-image: 
    radial-gradient(at 20% 20%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 10%, rgba(168, 85, 247, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 80%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.light .gradient-text {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #4f46e5 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.gradient-accent-text {
  background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.light .gradient-accent-text {
  background: linear-gradient(135deg, #4f46e5 0%, #7e22ce 50%, #0284c7 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.gradient-border-card {
  position: relative;
  border-radius: 1.5rem;
  background: var(--card-bg);
  padding: 1px;
}

.gradient-border-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1.5rem;
  padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(168, 85, 247, 0.2), rgba(6, 182, 212, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Glow Effects */
.btn-glow {
  position: relative;
  transition: all 0.3s ease;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(90deg, #6366f1, #a855f7, #06b6d4);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity 0.3s ease;
}

.btn-glow:hover::after {
  opacity: 0.7;
}

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

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Typing Simulator Cursor */
.typing-cursor::after {
  content: '|';
  animation: blink 1s step-start infinite;
  color: var(--accent-cyan);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Floating Animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Marquee Animation */
@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

.animate-marquee {
  display: flex;
  width: 200%;
  animation: marquee 25s linear infinite;
}

.animate-marquee:hover {
  animation-play-state: paused;
}

/* Code Highlighting font */
.font-code {
  font-family: var(--font-mono);
}

/* ==========================================================================
   LIGHT MODE CONTRAST OVERRIDES
   ========================================================================== */
.light {
  background-color: #f8fafc !important;
  color: #0f172a !important;
}

.light h1, .light h2, .light h3, .light h4, .light h5, .light h6 {
  color: #0f172a !important;
}

.light .text-white {
  color: #0f172a !important;
}

.light .text-slate-100,
.light .text-slate-200,
.light .text-slate-300 {
  color: #1e293b !important;
}

.light .text-slate-400 {
  color: #475569 !important;
}

.light .text-slate-500 {
  color: #64748b !important;
}

/* Buttons in Light Mode */
.light .btn-glow {
  color: #ffffff !important;
}

.light .btn-glow span, .light .btn-glow i {
  color: #ffffff !important;
}

/* Cards & Containers in Light Mode */
.light .glass-panel {
  background: rgba(255, 255, 255, 0.9) !important;
  border-color: rgba(0, 0, 0, 0.1) !important;
  box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.05) !important;
}

.light .glass-nav {
  background: rgba(255, 255, 255, 0.9) !important;
  border-bottom-color: rgba(0, 0, 0, 0.1) !important;
}

.light .bg-slate-950,
.light .bg-slate-950\/90,
.light .bg-slate-950\/60,
.light .bg-slate-950\/50,
.light .bg-slate-950\/40,
.light .bg-slate-900,
.light .bg-slate-900\/90,
.light .bg-slate-900\/80,
.light .bg-slate-900\/70,
.light .bg-slate-900\/50,
.light .bg-slate-900\/40 {
  background-color: #ffffff !important;
}

.light .bg-slate-800,
.light .bg-slate-800\/60,
.light .bg-slate-800\/50 {
  background-color: #f1f5f9 !important;
  color: #0f172a !important;
}

.light .border-slate-800,
.light .border-slate-800\/80,
.light .border-slate-800\/60,
.light .border-slate-700,
.light .border-slate-700\/80,
.light .border-white\/10 {
  border-color: rgba(0, 0, 0, 0.12) !important;
}

.light #mobile-drawer {
  background-color: rgba(255, 255, 255, 0.98) !important;
  border-bottom-color: #e2e8f0 !important;
}

/* FAQ Accordion Light Mode */
.light .faq-button span {
  color: #0f172a !important;
}

.light .faq-answer {
  color: #334155 !important;
}

/* Table Light Mode */
.light table {
  background-color: #ffffff !important;
}

.light table thead {
  background-color: #f1f5f9 !important;
  color: #334155 !important;
}

.light table td, .light table th {
  border-color: #e2e8f0 !important;
}

/* Code sandbox in Light Mode */
.light #demo-output-code {
  background-color: #f8fafc !important;
  color: #0f172a !important;
  border-color: #cbd5e1 !important;
}

.light .demo-preset-btn.bg-indigo-600 {
  background-color: #4f46e5 !important;
  color: #ffffff !important;
}

/* Footer Light Mode */
.light footer {
  background-color: #f8fafc !important;
  border-top-color: #e2e8f0 !important;
  color: #475569 !important;
}

.light footer .text-white,
.light footer .font-bold {
  color: #0f172a !important;
}

.light footer a {
  color: #334155 !important;
}

.light footer a:hover {
  color: #4f46e5 !important;
}