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

:root {
  --primary-color: #6366f1;
  --secondary-color: #a855f7;
  --accent-color: #ec4899;
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --bg-color: #0f172a;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Kanit', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.15), transparent 25%);
}

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

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
  70% { box-shadow: 0 0 0 20px rgba(99, 102, 241, 0); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* Index Page */
.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.logo-wrapper {
  margin-bottom: 2rem;
  animation: float 6s ease-in-out infinite;
}

.logo-wrapper img {
  max-width: 180px;
  height: auto;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.2));
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeIn 1s ease-out;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  animation: fadeIn 1s ease-out 0.2s backwards;
  line-height: 1.6;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  animation: fadeIn 1s ease-out 0.4s backwards, pulse-glow 2s infinite;
  box-shadow: 0 10px 20px -10px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 30px -10px rgba(99, 102, 241, 0.6);
}

.btn-primary i {
  transition: transform 0.3s ease;
}

.btn-primary:hover i {
  transform: translateX(5px);
}

/* Background Elements */
.bg-shape {
  position: absolute;
  filter: blur(100px);
  z-index: 0;
  border-radius: 50%;
  opacity: 0.5;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--primary-color);
  top: -100px;
  left: -100px;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-color);
  bottom: -50px;
  right: -50px;
}

/* Programs Page */
.page-container {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-header {
  text-align: center;
  margin-bottom: 4rem;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: #fff;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.program-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-decoration: none;
  color: var(--text-primary);
  opacity: 0;
  animation: fadeIn 0.6s ease-out forwards;
}

.program-card:nth-child(1) { animation-delay: 0.1s; }
.program-card:nth-child(2) { animation-delay: 0.2s; }
.program-card:nth-child(3) { animation-delay: 0.3s; }
.program-card:nth-child(4) { animation-delay: 0.4s; }
.program-card:nth-child(5) { animation-delay: 0.5s; }
.program-card:nth-child(6) { animation-delay: 0.6s; }

.program-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--secondary-color);
  transition: all 0.3s ease;
}

.program-card:hover .card-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  transform: scale(1.1) rotate(5deg);
}

.card-content h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #fff;
}

.card-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.card-arrow {
  margin-top: auto;
  align-self: flex-end;
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.program-card:hover .card-arrow {
  color: #fff;
  transform: translateX(5px);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .programs-grid {
    grid-template-columns: 1fr;
  }
}