@import "tailwindcss";

/* ========================================
   mozdIT Bt. Design System
   ======================================== */

/* Design Tokens - Light Theme */
:root {
  /* Brand Colors */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  --color-primary-950: #172554;

  /* Accent Colors */
  --color-accent-50: #eef2ff;
  --color-accent-100: #e0e7ff;
  --color-accent-200: #c7d2fe;
  --color-accent-500: #6366f1;
  --color-accent-600: #4f46e5;

  /* Success Colors */
  --color-success-50: #f0fdf4;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;

  /* Warning Colors */
  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;

  /* Error Colors */
  --color-error-50: #fef2f2;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;

  /* Neutral Colors - Light Mode */
  --color-background: #ffffff;
  --color-background-secondary: #f9fafb;
  --color-background-tertiary: #f3f4f6;
  --color-foreground: #111827;
  --color-foreground-secondary: #374151;
  --color-foreground-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Spacing */
  --container-padding: 1rem;
  --section-spacing: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Fonts */
  --font-sans: var(--font-geist-sans), system-ui, -apple-system, sans-serif;
  --font-mono: var(--font-geist-mono), 'Fira Code', monospace;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-background: #0f172a;
  --color-background-secondary: #1e293b;
  --color-background-tertiary: #334155;
  --color-foreground: #f8fafc;
  --color-foreground-secondary: #e2e8f0;
  --color-foreground-muted: #94a3b8;
  --color-border: #334155;
  --color-border-light: #1e293b;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-background: #0f172a;
    --color-background-secondary: #1e293b;
    --color-background-tertiary: #334155;
    --color-foreground: #f8fafc;
    --color-foreground-secondary: #e2e8f0;
    --color-foreground-muted: #94a3b8;
    --color-border: #334155;
    --color-border-light: #1e293b;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);
  }
}

/* Tailwind Theme Extension */
@theme inline {
  --color-background: var(--color-background);
  --color-foreground: var(--color-foreground);
  --font-sans: var(--font-sans);
  --font-mono: var(--font-mono);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Selection */
::selection {
  background: var(--color-primary-500);
  color: white;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-background-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-foreground-muted);
}

/* ========================================
   Utility Classes
   ======================================== */

/* Gradient Backgrounds */
.bg-gradient-hero {
  background: linear-gradient(
    135deg,
    var(--color-primary-50) 0%,
    var(--color-accent-50) 50%,
    var(--color-primary-100) 100%
  );
}

[data-theme="dark"] .bg-gradient-hero {
  background: linear-gradient(
    135deg,
    var(--color-background-secondary) 0%,
    var(--color-background-tertiary) 50%,
    var(--color-background-secondary) 100%
  );
}

/* Glass Effect */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-theme="dark"] .glass {
  background: rgba(15, 23, 42, 0.8);
}

/* ========================================
   Animation Keyframes
   ======================================== */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease-out forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 0.5s ease-out forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 0.5s ease-out forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.5s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.3s ease-out forwards;
}

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

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

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

.animate-spin-slow {
  animation: spin 3s linear infinite;
}

/* Staggered animations for children */
.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 100ms; }
.stagger-children > *:nth-child(3) { animation-delay: 200ms; }
.stagger-children > *:nth-child(4) { animation-delay: 300ms; }
.stagger-children > *:nth-child(5) { animation-delay: 400ms; }
.stagger-children > *:nth-child(6) { animation-delay: 500ms; }

/* Hover Animations */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-fast);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary-600);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-700);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary-600);
  border: 2px solid var(--color-primary-600);
}

.btn-secondary:hover {
  background: var(--color-primary-50);
}

[data-theme="dark"] .btn-secondary:hover {
  background: var(--color-primary-900);
}

/* Card Styles */
.card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .card:hover {
  border-color: var(--color-primary-800);
}

/* Icon Container */
.icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-primary-100);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.icon-container-lg {
  width: 4rem;
  height: 4rem;
}

[data-theme="dark"] .icon-container {
  background: var(--color-primary-900);
}

.group:hover .icon-container {
  background: var(--color-primary-200);
  transform: scale(1.1);
}

[data-theme="dark"] .group:hover .icon-container {
  background: var(--color-primary-800);
}

/* Section Styles */
.section {
  padding: var(--section-spacing) 0;
}

.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (min-width: 640px) {
  :root {
    --container-padding: 1.5rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 2rem;
  }
}

/* Link Styles */
.link {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.link:hover {
  color: var(--color-primary-700);
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-600);
  transition: width var(--transition-normal);
}

.link-underline:hover::after {
  width: 100%;
}

/* Prose adjustments for dark mode */
[data-theme="dark"] .prose {
  --tw-prose-body: var(--color-foreground-secondary);
  --tw-prose-headings: var(--color-foreground);
  --tw-prose-links: var(--color-primary-400);
  --tw-prose-bold: var(--color-foreground);
}

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

  html {
    scroll-behavior: auto;
  }
}