/* @import "tailwindcss";
@import "tw-animate-css"; */

@custom-variant dark (&:is(.dark *));

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");

:root {
  /* Default shadcn/ui variables */
  --background: oklch(0.145 0 0); /* Dark background for Digital Hub */
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.145 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.145 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.985 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.577 0.245 27.325);
  --border: oklch(0.269 0 0);
  --input: oklch(0.269 0 0);
  --ring: oklch(0.439 0 0);
  --chart-1: oklch(0.646 0.222 41.116);
  --chart-2: oklch(0.6 0.118 184.704);
  --chart-3: oklch(0.398 0.07 227.392);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --radius: 0.625rem;
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(0.269 0 0);
  --sidebar-ring: oklch(0.439 0 0);

  /* Digital Hub custom variables */
  --dh-primary: #00bcd4; /* Teal from logo */
  --dh-primary-light: #00e5ff;
  --dh-primary-dark: #0097a7;
  --dh-secondary: #1a4a5c; /* Dark blue from logo */
  --dh-background: #0f1419; /* Deep dark background */
  --dh-surface: #1e2832;
  --dh-surface-light: #2a3441;
  --dh-surface-glass: rgba(255, 255, 255, 0.02);
  --dh-text-primary: #ffffff;
  --dh-text-secondary: #b0bec5;
  --dh-text-muted: #78909c;
  --dh-accent: #00e5ff;
  --dh-success: #4caf50;
  --dh-warning: #ff9800;
  --dh-error: #f44336;
  --dh-border: rgba(0, 188, 212, 0.1);
  --dh-border-light: rgba(255, 255, 255, 0.05);
  --dh-shadow: rgba(0, 0, 0, 0.3);
  --dh-shadow-glow: rgba(0, 188, 212, 0.2);

  /* Modern typography system */
  --dh-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --dh-font-size-xs: 0.75rem;
  --dh-font-size-sm: 0.875rem;
  --dh-font-size-base: 1rem;
  --dh-font-size-md: 1rem;
  --dh-font-size-lg: 1.125rem;
  --dh-font-size-xl: 1.25rem;
  --dh-font-size-2xl: 1.5rem;
  --dh-font-size-3xl: 1.875rem;
  --dh-font-size-4xl: 2.25rem;
  --dh-font-size-5xl: 3rem;
  --dh-font-size-6xl: 3.75rem;

  /* Enhanced spacing system */
  --dh-spacing-xs: 0.25rem;
  --dh-spacing-sm: 0.5rem;
  --dh-spacing-md: 1rem;
  --dh-spacing-lg: 1.5rem;
  --dh-spacing-xl: 2rem;
  --dh-spacing-2xl: 3rem;
  --dh-spacing-3xl: 4rem;
  --dh-spacing-4xl: 6rem;

  /* Modern border radius system */
  --dh-radius-sm: 0.375rem;
  --dh-radius-md: 0.5rem;
  --dh-radius-lg: 0.75rem;
  --dh-radius-xl: 1rem;
  --dh-radius-2xl: 1.5rem;

  /* Advanced transition system */
  --dh-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --dh-transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --dh-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --dh-transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Glassmorphism variables */
  --dh-glass-bg: rgba(255, 255, 255, 0.05);
  --dh-glass-border: rgba(255, 255, 255, 0.1);
  --dh-glass-blur: blur(20px);
  --dh-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Neumorphism variables */
  --dh-neuro-light: rgba(255, 255, 255, 0.1);
  --dh-neuro-dark: rgba(0, 0, 0, 0.3);
  --dh-neuro-inset-light: inset 2px 2px 5px rgba(0, 0, 0, 0.2);
  --dh-neuro-inset-dark: inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

.dark {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.145 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.145 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.985 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.396 0.141 25.723);
  --destructive-foreground: oklch(0.637 0.237 25.331);
  --border: oklch(0.269 0 0);
  --input: oklch(0.269 0 0);
  --ring: oklch(0.439 0 0);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(0.269 0 0);
  --sidebar-ring: oklch(0.439 0 0);

  /* Digital Hub dark theme enhancements */
  --dh-background: #0a0e13;
  --dh-surface: #151b23;
  --dh-surface-light: #1f2937;
  --dh-text-primary: #f8fafc;
  --dh-text-secondary: #cbd5e1;
  --dh-text-muted: #64748b;
  --dh-border: rgba(0, 188, 212, 0.15);
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
  }
}

/* Enhanced base styles for Digital Hub */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  /* scroll-behavior: smooth; */
  font-size: 16px;
}

body {
  font-family: var(--dh-font-family);
  background: var(--dh-background);
  color: var(--dh-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Modern scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dh-surface);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--dh-primary), var(--dh-primary-light));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--dh-primary-light), var(--dh-accent));
}

/* Enhanced utility classes */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--dh-spacing-lg);
}

.section {
  padding: var(--dh-spacing-4xl) 0;
  position: relative;
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

/* Modern spacing utilities */
.mb-sm {
  margin-bottom: var(--dh-spacing-sm);
}
.mb-md {
  margin-bottom: var(--dh-spacing-md);
}
.mb-lg {
  margin-bottom: var(--dh-spacing-lg);
}
.mb-xl {
  margin-bottom: var(--dh-spacing-xl);
}
.mb-2xl {
  margin-bottom: var(--dh-spacing-2xl);
}
.mb-3xl {
  margin-bottom: var(--dh-spacing-3xl);
}

.mt-sm {
  margin-top: var(--dh-spacing-sm);
}
.mt-md {
  margin-top: var(--dh-spacing-md);
}
.mt-lg {
  margin-top: var(--dh-spacing-lg);
}
.mt-xl {
  margin-top: var(--dh-spacing-xl);
}
.mt-2xl {
  margin-top: var(--dh-spacing-2xl);
}

/* Ultra-modern button system */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--dh-spacing-md) var(--dh-spacing-xl);
  background: rgba(0, 188, 212, 0.1);
  backdrop-filter: var(--dh-glass-blur);
  -webkit-backdrop-filter: var(--dh-glass-blur);
  border: 1px solid rgba(0, 188, 212, 0.3);
  border-radius: var(--dh-radius-lg);
  color: var(--dh-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--dh-font-size-md);
  transition: all var(--dh-transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  min-width: 160px;
  font-family: var(--dh-font-family);
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  background: rgba(0, 188, 212, 0.2);
  border-color: rgba(0, 188, 212, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 188, 212, 0.2), 0 0 20px rgba(0, 188, 212, 0.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--dh-text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--dh-primary);
}

/* Advanced animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Animation classes */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 0.8s ease forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.8s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Modern loading animation */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 188, 212, 0.3);
  border-radius: 50%;
  border-top-color: var(--dh-primary);
  animation: spin 1s ease-in-out infinite;
}

/* Glassmorphism utility classes */
.glass {
  background: var(--dh-glass-bg);
  backdrop-filter: var(--dh-glass-blur);
  -webkit-backdrop-filter: var(--dh-glass-blur);
  border: 1px solid var(--dh-glass-border);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Neumorphism utility classes */
.neuro {
  background: var(--dh-surface);
  box-shadow: 8px 8px 16px var(--dh-neuro-dark), -8px -8px 16px var(--dh-neuro-light);
}

.neuro-inset {
  background: var(--dh-surface);
  box-shadow: var(--dh-neuro-inset-light), var(--dh-neuro-inset-dark);
}

/* Gradient text utility */
.gradient-text {
  background: linear-gradient(135deg, var(--dh-primary), var(--dh-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-animated {
  background: linear-gradient(135deg, var(--dh-primary), var(--dh-accent), var(--dh-primary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}

/* Enhanced responsive design */
@media (max-width: 1200px) {
  .container {
    max-width: 1000px;
    padding: 0 var(--dh-spacing-lg);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--dh-spacing-md);
  }

  .section {
    padding: var(--dh-spacing-3xl) 0;
  }

  html {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--dh-spacing-sm);
  }

  .section {
    padding: var(--dh-spacing-2xl) 0;
  }

  html {
    font-size: 13px;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --dh-primary: #00ffff;
    --dh-text-primary: #ffffff;
    --dh-text-secondary: #ffffff;
    --dh-border: #ffffff;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--dh-primary);
  outline-offset: 2px;
  border-radius: var(--dh-radius-sm);
}

/* Selection styling */
::selection {
  background: rgba(0, 188, 212, 0.3);
  color: var(--dh-text-primary);
}

::-moz-selection {
  background: rgba(0, 188, 212, 0.3);
  color: var(--dh-text-primary);
}


/* ==========================================================================
   📱 GLOBAL RESPONSIVE FIXES - DIGITAL HUB 2025
   ========================================================================== */

/* Основна настройка за по-малки екрани */
@media (max-width: 1200px) {
  :root {
    --dh-font-size-2xl: 1.6rem;
    --dh-font-size-xl: 1.3rem;
    --dh-font-size-lg: 1.1rem;
    --dh-font-size-md: 1rem;
    --dh-font-size-sm: 0.9rem;
    --dh-spacing-2xl: 2rem;
    --dh-spacing-xl: 1.5rem;
    --dh-spacing-lg: 1.2rem;
    --dh-spacing-md: 1rem;
    --dh-spacing-sm: 0.8rem;
  }

  section {
    padding: 4rem 2rem;
  }
}

/* Средни екрани (таблети) */
@media (max-width: 768px) {
  :root {
    --dh-font-size-2xl: 1.4rem;
    --dh-font-size-xl: 1.2rem;
    --dh-font-size-lg: 1rem;
    --dh-font-size-md: 0.95rem;
    --dh-font-size-sm: 0.85rem;
    --dh-spacing-2xl: 1.6rem;
    --dh-spacing-xl: 1.2rem;
    --dh-spacing-lg: 1rem;
    --dh-spacing-md: 0.8rem;
    --dh-spacing-sm: 0.6rem;
  }

  body {
    font-size: var(--dh-font-size-md);
    line-height: 1.6;
  }

  h1, h2, h3, h4 {
    text-align: center;
    margin-bottom: 1rem;
  }

  section {
    padding: 3rem 1.5rem;
  }

  .container, .wrapper {
    padding: 0 1rem;
  }

  button, .btn {
    width: 100%;
    text-align: center;
  }

  input, textarea, select {
    width: 100%;
    font-size: var(--dh-font-size-md);
  }
}

/* Малки екрани (телефони) */
@media (max-width: 480px) {
  :root {
    --dh-font-size-2xl: 1.2rem;
    --dh-font-size-xl: 1.1rem;
    --dh-font-size-lg: 1rem;
    --dh-font-size-md: 0.9rem;
    --dh-font-size-sm: 0.8rem;
    --dh-spacing-2xl: 1.4rem;
    --dh-spacing-xl: 1rem;
    --dh-spacing-lg: 0.8rem;
    --dh-spacing-md: 0.6rem;
    --dh-spacing-sm: 0.5rem;
  }

  body {
    font-size: var(--dh-font-size-md);
  }

  section {
    padding: 2rem 1rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  p {
    font-size: var(--dh-font-size-sm);
  }

  .btn, button {
    font-size: var(--dh-font-size-md);
    padding: 0.8rem 1rem;
    border-radius: var(--dh-radius-md);
  }

  img, video {
    max-width: 100%;
    height: auto;
  }

  .container, .wrapper {
    width: 100%;
    padding: 0 0.5rem;
  }
}

/* Ултра малки екрани */
@media (max-width: 360px) {
  :root {
    --dh-font-size-md: 0.85rem;
    --dh-font-size-sm: 0.75rem;
  }

  section {
    padding: 1.5rem 0.5rem;
  }

  h1 {
    font-size: 1.4rem;
  }

  h2 {
    font-size: 1.1rem;
  }

  .btn {
    padding: 0.6rem 0.8rem;
    font-size: var(--dh-font-size-sm);
  }
}