:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --accent-color: #e74c3c;
  --text-color: #333;
  --light-bg: #f5f7fa;
  --white: #ffffff;
  --dark-bg: #1a1a1a;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
}

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

/* Header & Navigation */
header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

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

.logo img {
  height: 40px;
  margin-right: 10px;
}

.logo h1 {
  font-size: 1.5rem;
  color: var(--secondary-color);
  font-weight: 700;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--secondary-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--primary-color);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--secondary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.cta-button:hover {
  background-color: #c0392b;
  transform: translateY(-3px);
}

/* What You'll Learn Section */
.learn-section {
  padding: 80px 0;
  background-color: var(--white);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 50px;
  color: var(--secondary-color);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
}

.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.learn-card {
  background-color: var(--white);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.learn-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.learn-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.learn-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

/* Chart Section */
.chart-section {
  padding: 80px 0;
  background-color: var(--light-bg);
}

.chart-container {
  background-color: var(--white);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow);
  max-width: 800px;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: 80px 0;
  background-color: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  text-align: center;
  padding: 30px;
  background-color: var(--light-bg);
  border-radius: 8px;
  transition: var(--transition);
}

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

.feature-card img {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

/* Blog Section */
.blog-section {
  padding: 80px 0;
  background-color: var(--light-bg);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.blog-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.blog-img {
  height: 200px;
  overflow: hidden;
}

.blog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.blog-content {
  padding: 20px;
}

.blog-date {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 10px;
}

.blog-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.blog-card p {
  margin-bottom: 20px;
}

.read-more {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.read-more:hover {
  color: var(--secondary-color);
}

/* Single Blog Post */
.post-header {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 100px 0 50px;
  text-align: center;
}

.post-header h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.post-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.post-img {
  margin-top: -50px;
  margin-bottom: 50px;
  text-align: center;
}

.post-img img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.post-content {
  background-color: var(--white);
  padding: 50px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 50px;
}

.post-content h2, .post-content h3 {
  color: var(--secondary-color);
  margin: 30px 0 15px;
}

.post-content p {
  margin-bottom: 20px;
}

.post-content ul, .post-content ol {
  margin-bottom: 20px;
  padding-left: 20px;
}

.post-content li {
  margin-bottom: 10px;
}

.post-navigation {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}

.post-navigation a {
  display: inline-block;
  background-color: var(--light-bg);
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--secondary-color);
  transition: var(--transition);
}

.post-navigation a:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

/* About Us Section */
.about-section {
  padding: 80px 0;
  background-color: var(--white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.about-img img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.team-section {
  padding-top: 50px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.team-card {
  background-color: var(--light-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.team-img {
  height: 250px;
  overflow: hidden;
}

.team-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  padding: 20px;
}

.team-info h3 {
  margin-bottom: 5px;
  color: var(--secondary-color);
}

.team-info p {
  margin-bottom: 10px;
}

.team-info p:nth-child(2) {
  color: var(--primary-color);
  font-weight: 500;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 15px;
}

.social-links a {
  display: inline-block;
  color: var(--secondary-color);
  transition: var(--transition);
}

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

/* Contact Section */
.contact-section {
  padding: 80px 0;
  background-color: var(--light-bg);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 50px;
  border-radius: 8px;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 30px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 30px;
}

.contact-detail i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.contact-detail h3 {
  margin-bottom: 5px;
}

.social-links-contact {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

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

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

.contact-form {
  background-color: var(--white);
  padding: 50px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form h2 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}

textarea.form-control {
  height: 150px;
  resize: vertical;
}

.submit-btn {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 12px 30px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}

.submit-btn:hover {
  background-color: #2980b9;
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  color: var(--white);
  padding: 80px 0 20px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.footer-about h3, .footer-links h3, .footer-newsletter h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-about h3::after, .footer-links h3::after, .footer-newsletter h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-about p {
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  text-decoration: none;
  color: #aaa;
  transition: var(--transition);
}

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

.newsletter-form {
  display: flex;
  margin-top: 20px;
}

.newsletter-input {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 4px 0 0 4px;
  font-family: inherit;
  font-size: 0.9rem;
}

.newsletter-btn {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 0 20px;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  text-align: center;
  font-size: 0.9rem;
  color: #777;
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background-color: var(--white);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  display: none;
}

.cookie-text {
  flex: 1;
  margin-right: 20px;
}

.cookie-text h3 {
  margin-bottom: 10px;
  color: var(--secondary-color);
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

.cookie-btn {
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-weight: 500;
  transition: var(--transition);
}

.accept-all {
  background-color: var(--primary-color);
  color: var(--white);
}

.customize {
  background-color: #eee;
  color: var(--text-color);
}

.decline {
  background-color: #f8f8f8;
  color: #777;
}

.cookie-btn:hover {
  opacity: 0.9;
}

/* Thank You Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--white);
  padding: 40px;
  border-radius: 8px;
  max-width: 500px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: translateY(-50px);
  transition: var(--transition);
}

.modal.show .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #777;
}

.modal h2 {
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.modal p {
  margin-bottom: 30px;
}

.modal-btn {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 10px 30px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}

.modal-btn:hover {
  background-color: #2980b9;
}

/* Responsive Design */
@media (max-width: 992px) {
  .contact-container,
  .about-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    padding: 20px;
  }

  .nav-links.show {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .post-content {
    padding: 30px;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 1.8rem;
  }

  .contact-form,
  .contact-info {
    padding: 30px;
  }

  .cookie-consent {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-text {
    margin-right: 0;
    margin-bottom: 20px;
  }
}