:root {
  --primary-color: #003366; /* Deep Blue */
  --secondary-color: #FFD700; /* Gold */
  --accent-color: #00509E; /* Lighter Blue */
  --text-dark: #333333;
  --text-light: #f4f4f4;
  --white: #ffffff;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --font-main: 'Inter', sans-serif;
}

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

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #f9f9f9;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Header & Hero */
header {
  background-image: linear-gradient(rgba(0, 51, 102, 0.9), rgba(0, 51, 102, 0.7)), url('hero-bg.png');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 4rem 1rem 6rem;
  text-align: center;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  animation: fadeIn 1.5s ease-out;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.tagline {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  font-weight: 300;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: var(--shadow-md);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Sections */
section {
  padding: 4rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--secondary-color);
  border-radius: 2px;
}

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

.card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 4px solid var(--primary-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.teacher-highlight {
  background-color: #e6f0fa;
  border-color: var(--accent-color);
}

/* Location */
.location-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}

.address-box {
  flex: 1;
  min-width: 300px;
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.address-box p {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.map-box {
  flex: 1;
  min-width: 300px;
  height: 400px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 2rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  text-decoration: none;
  z-index: 1000;
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

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

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  header { clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%); }
}