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

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background: #f9fbff;
  color: #333;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: #1e3a8a;
  color: white;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  margin-right: 10px;
}

.logo-text {
  font-size: 20px;
  font-weight: bold;
}

#langBtn {
  background-color: #3b82f6;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#langBtn:hover {
  background-color: #2563eb;
}

/* Hero Section */
.hero {
  background: url('banner-bg.jpg') center/cover no-repeat;
  padding: 120px 20px;
  text-align: center;
  color: white;
  background-color: #1e40af;
}

.hero-content {
  max-width: 700px;
  margin: auto;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 20px;
  animation: fadeInDown 1s;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
  animation: fadeIn 1.5s;
}

.cta-button {
  display: inline-block;
  padding: 12px 24px;
  background-color: #fbbf24;
  color: #111;
  font-weight: bold;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.3s;
}

.cta-button:hover {
  background-color: #f59e0b;
}

/* Teachers Section */
.teachers-section {
  padding: 80px 20px;
  background-color: #f1f5f9;
  text-align: center;
}

.section-title {
  font-size: 32px;
  margin-bottom: 40px;
  color: #1e3a8a;
}

.teacher-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}

.teacher-card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  width: 300px;
  transition: transform 0.3s;
}

.teacher-card:hover {
  transform: translateY(-10px);
}

.teacher-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 15px;
}

.teacher-card h3 {
  color: #1e3a8a;
  font-size: 20px;
  margin-bottom: 10px;
}

.teacher-card p {
  font-size: 14px;
  color: #555;
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .teacher-grid {
    flex-direction: column;
    align-items: center;
  }

  .hero h1 {
    font-size: 32px;
  }

  .cta-button {
    font-size: 14px;
  }
}