/* Tailwind-like Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --green-100: #dcfce7;
  --green-600: #16a34a;
  --green-700: #15803d;
  --red-100: #fee2e2;
  --red-600: #dc2626;
  --red-700: #b91c1c;
  --yellow-400: #facc15;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

/* Dark mode */
body.dark {
  color-scheme: dark;
  background: linear-gradient(to bottom right, var(--gray-900), var(--gray-800), var(--gray-900));
  color: var(--gray-100);
}

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

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

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

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(10px, -10px) rotate(2deg);
  }
  66% {
    transform: translate(-10px, 10px) rotate(-2deg);
  }
}

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

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeInDown {
  animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fadeInLeft {
  animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fadeInRight {
  animation: fadeInRight 0.8s ease-out forwards;
}

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

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

.animate-floatSlow {
  animation: floatSlow 8s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* Utility Classes */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hidden {
  display: none;
}

.backdrop-blur {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.transition-all {
  transition: all 0.3s ease;
}

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

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

body.dark ::-webkit-scrollbar-track {
  background: var(--gray-800);
}

::-webkit-scrollbar-thumb {
  background: #d1d1d1;
  border-radius: 5px;
}

body.dark ::-webkit-scrollbar-thumb {
  background: var(--gray-600);
}

::-webkit-scrollbar-thumb:hover {
  background: #b1b1b1;
}

body.dark ::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* Button Base */
button {
  cursor: pointer;
  border: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
}

/* Link Styles */
a {
  text-decoration: none;
  color: inherit;
}

/* Selection */
::selection {
  background-color: rgba(0, 0, 0, 0.1);
  color: inherit;
}

body.dark ::selection {
  background-color: rgba(255, 255, 255, 0.2);
}