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

:root {
  --primary-color: #2c3e50;
  --secondary-color: #34495e;
  --accent-color: #3498db;
  --text-primary: #2c3e50;
  --text-secondary: #7f8c8d;
  --background: #ffffff;
  --background-alt: #f8f9fa;
  --background-dark: #2c3e50;
  --border-color: #ecf0f1;
  --success-color: #27ae60;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: var(--accent-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  margin-top: 70px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 2rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--accent-color);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Sections */
.section {
  padding: 5rem 0;
}

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

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--primary-color);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

/* Mission Grid */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.mission-item {
  text-align: center;
  padding: 2rem;
}

.mission-number {
  font-size: 3rem;
  font-weight: 300;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.mission-item h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.mission-item p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Featured Section */
.featured-section {
  padding: 5rem 0;
  background-color: var(--background-alt);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 300;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.featured-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.featured-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.cta-button {
  display: inline-block;
  margin-top: 2rem;
  padding: 1rem 2rem;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.cta-button:hover {
  background-color: var(--secondary-color);
}

/* Events Grid */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.event-card {
  display: flex;
  background: white;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

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

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 2rem;
  min-width: 80px;
}

.month {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.day {
  font-size: 2rem;
  font-weight: 300;
  color: var(--primary-color);
}

.event-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.event-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.event-location {
  font-size: 0.9rem;
  color: var(--accent-color);
  font-weight: 500;
}

/* Dark Section */
.dark-section {
  background-color: var(--background-dark);
  color: white;
}

.dark-section h2 {
  color: white;
}

.dark-section p {
  color: rgba(255, 255, 255, 0.8);
}

/* Membership Tiers */
.membership-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.membership-content h2 {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.membership-content > p {
  font-size: 1.1rem;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.membership-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.tier-card {
  background: white;
  color: var(--text-primary);
  padding: 2.5rem 2rem;
  border-radius: 8px;
  text-align: center;
  position: relative;
}

.tier-card.featured {
  transform: scale(1.05);
  border: 2px solid var(--accent-color);
}

.tier-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.price {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--accent-color);
  margin-bottom: 2rem;
}

.price span {
  font-size: 1rem;
  color: var(--text-secondary);
}

.tier-card ul {
  list-style: none;
  text-align: left;
}

.tier-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.tier-card li:last-child {
  border-bottom: none;
}

/* Education Grid */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.education-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

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

.education-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 2rem;
}

.card-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

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

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 1rem;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

.contact-info > p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item p {
  color: var(--text-secondary);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  flex: 1;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.submit-btn {
  padding: 1rem 2rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.submit-btn:hover {
  background-color: var(--secondary-color);
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-section h3 {
  font-size: 1.5rem;
}

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

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    display: none;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .featured-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .form-group {
    flex-direction: column;
  }

  .membership-tiers {
    grid-template-columns: 1fr;
  }

  .tier-card.featured {
    transform: none;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-header h2,
  .section-title {
    font-size: 2rem;
  }

  .mission-grid,
  .events-grid,
  .education-grid {
    grid-template-columns: 1fr;
  }
}