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

:root {
  --primary-color: #9A2A90; /* Purple from logo */
  --secondary-color: #4CB5E5; /* Light Cyan from logo */
  --text-dark: #333333;
  --text-light: #FFFFFF;
  --bg-light: #F8F9FA;
  --white: #FFFFFF;
  --border-radius: 12px;
  --transition: all 0.3s ease;
  --box-shadow: 0 10px 30px rgba(0, 47, 108, 0.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-light);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 47, 108, 0.2);
}

.btn-primary:hover {
  background-color: #001f4c;
  transform: translateY(-2px);
  color: var(--secondary-color);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-dark);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-secondary:hover {
  background-color: #b59223;
  transform: translateY(-2px);
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Logo Image (Placeholder for physical logo if user adds it) */
.logo img {
  height: 40px;
  width: auto;
}

.logo span {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  position: relative;
}

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

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

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 47, 108, 0.9) 0%, rgba(0, 20, 50, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  color: var(--white);
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 20px;
  animation: slideUp 0.8s ease-out;
}

.hero h1 span {
  color: var(--secondary-color);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
  animation: slideUp 1s ease-out;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  animation: slideUp 1.2s ease-out;
}

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.course-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 47, 108, 0.15);
}

.course-image {
  height: 200px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.course-card:hover .course-image img {
  transform: scale(1.1);
}

.course-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.course-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.course-desc {
  color: #666;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Custom internal pages layout */
.page-header {
  padding: 150px 0 80px 0;
  background: var(--primary-color);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  font-size: 3rem;
}

.page-header p {
  color: var(--secondary-color);
  font-size: 1.2rem;
}

/* Contact form & Split Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info {
  background: var(--primary-color);
  color: var(--white);
  padding: 40px;
  border-radius: var(--border-radius);
}

.contact-info h3 {
  color: var(--secondary-color);
}

.contact-info p {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 47, 108, 0.1);
}

/* Student portal */
.portal-card {
  max-width: 500px;
  margin: 0 auto;
  background: var(--white);
  padding: 50px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
}

/* Blog Feed */
.blog-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
}

.blog-meta {
  color: var(--secondary-color);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: block;
}

/* Floating WhatsApp Widget */
.whatsapp-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--transition);
}

.whatsapp-widget:hover {
  transform: scale(1.1);
  background-color: #128C7E;
}

.whatsapp-widget svg {
  fill: currentColor;
  width: 35px;
  height: 35px;
}

/* Footer */
footer {
  background-color: #001a3d;
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.footer-links a {
  color: #ccc;
  display: block;
  margin-bottom: 10px;
}

.footer-links a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--white);
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: #999;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding-top: 50px;
    transition: 0.4s ease;
  }
  .nav-links.nav-active {
    left: 0;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    text-align: center;
  }
  .social-links {
    justify-content: center;
  }
}