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

:root {
  --text-main: #0f172a;
  --text-muted: #475569;
  --accent-color: #0284c7;
  --accent-hover: #0369a1;
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.6);
  --card-bg: rgba(255, 255, 255, 0.75);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  --radius-lg: 24px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  
  /* The new elaborate background */
  background: url('/img/bg.png') no-repeat center center fixed;
  background-size: cover;
  /* Add an overlay to ensure readability while keeping the image visible */
  background-color: #f8fafc;
}

/* Add a subtle animation to the background */
@keyframes bgDrift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Header & Nav with Glassmorphism */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #0f172a 0%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-color);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

/* Main Content Wrapper */
.main-content {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 2rem;
  width: 100%;
  animation: fadeIn 0.8s ease-out forwards;
}

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

/* Pages Header */
.page-header {
  margin-bottom: 4rem;
  text-align: center;
}

.page-title {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #0f172a 0%, #0369a1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

/* Grid Layouts for Content */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

/* Premium Card Component (Glassmorphism) */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-glass);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #0ea5e9, #0284c7);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(2, 132, 199, 0.15);
  border-color: rgba(255, 255, 255, 0.8);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(2, 132, 199, 0.1);
  color: var(--accent-color);
}

.card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.card-text {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.card-link svg {
  margin-left: 6px;
  transition: transform 0.2s ease;
}

.card-link:hover {
  color: var(--accent-hover);
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--glass-border);
}

/* Elaborate Hero for Home */
.hero {
  text-align: center;
  margin-top: 6rem;
  margin-bottom: 6rem;
  position: relative;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #0f172a 20%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.35rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
  font-weight: 300;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 1.25rem;
  }
  .nav-links {
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .page-title {
    font-size: 2.25rem;
  }
}