:root {
  /* Color Palette - Premium Modern Aesthetic */
  --color-primary: #6366f1; /* Indigo 500 */
  --color-primary-hover: #4f46e5; /* Indigo 600 */
  --color-background: #0f111a; /* Very dark blue/black */
  --color-surface: #1e2130; /* Dark slightly elevated */
  --color-surface-hover: #292d40;
  --color-text: #f8fafc; /* Slate 50 */
  --color-text-muted: #94a3b8; /* Slate 400 */
  --color-border: #334155; /* Slate 700 */
  --color-error: #ef4444; /* Red 500 */
  --color-success: #10b981; /* Emerald 500 */

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  
  /* Effects */
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 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 / 0.4);
  --shadow-glow: 0 0 20px rgba(var(--color-primary-rgb), 0.3);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-normal);
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  transition: var(--transition-normal);
}

input, textarea, select {
  font-family: inherit;
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  color: var(--color-text);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.2);
}

input:disabled, textarea:disabled, select:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  filter: grayscale(0.5);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.grid {
  display: grid;
  gap: var(--spacing-6);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

/* Typography Utilities */
.text-h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: var(--spacing-6);
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-h2 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-4);
}

.text-h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

/* Responsive Typography */
@media (max-width: 1024px) {
  .text-h1 { font-size: 3rem; }
  .text-h2 { font-size: 2.25rem; }
  .text-h3 { font-size: 1.5rem; }
}

@media (max-width: 768px) {
  .text-h1 { font-size: 2.5rem; }
  .text-h2 { font-size: 2rem; }
  .text-h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  .text-h1 { font-size: 2rem; }
  .text-h2 { font-size: 1.75rem; }
}

.text-muted {
  color: var(--color-text-muted);
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  font-size: 1rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

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

.card-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--color-surface);
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.card-img-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-surface) 25%, rgba(255,255,255,0.05) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  z-index: 0;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
  position: relative;
  z-index: 1;
}

.card-img[src] {
  background: none;
}

.card:hover .card-img {
  transform: scale(1.05);
}

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

.card-content {
  padding: var(--spacing-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.badge {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

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

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

/* Utilities */
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.py-12 { padding-top: var(--spacing-12); padding-bottom: var(--spacing-12); }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.w-full { width: 100%; }

@media (max-width: 640px) {
  .py-12 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
  .py-20 { padding-top: 2rem; padding-bottom: 2rem; }
  .container { padding: 0 var(--spacing-3); }
}