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

:root {
  --primary: #25D366;
  --primary-dark: #128C7E;
  --dark: #000000;
  --dark-light: #111;
  --gray: #888;
  --white: #ffffff;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--dark);
  color: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
}

.logo i {
  margin-right: 0.5rem;
}

/* Hero Section */
.hero {
  padding-top: 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
}

.hero-content {
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(45deg, var(--primary), var(--white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--gray);
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* What Is Section */
.what-is {
  padding: 5rem 0;
  background-color: var(--dark-light);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.topic-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s ease;
}

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

.topic-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Benefits Section */
.benefits {
  padding: 5rem 0;
}

.highlight-text {
  text-align: center;
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 3rem;
}

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

.benefit-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
}

.benefit-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* How It Works Section */
.how-it-works {
  padding: 5rem 0;
  background-color: var(--dark-light);
}

.steps {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.step {
  text-align: center;
  padding: 2rem;
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-weight: bold;
}

.step i {
  font-size: 2.5rem;
  color: var(--primary);
  margin: 1rem 0;
}

/* Registration Section */
.registration {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--dark-light) 0%, var(--dark) 100%);
}

.motivation-text {
  text-align: center;
  color: var(--gray);
  margin-bottom: 2rem;
}

.registration-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.form-group input {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 1rem;
}

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

/* Buttons */
.cta-button, .submit-button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--primary);
  color: var(--white);
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-button:hover, .submit-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.submit-button {
  width: 100%;
}

.submit-button i {
  margin-right: 0.5rem;
}

/* Footer */
footer {
  padding: 3rem 0;
  background-color: var(--dark);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  text-align: center;
}

.footer-links {
  margin-bottom: 2rem;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  margin: 0 1rem;
  transition: color 0.3s ease;
}

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

.social-links {
  margin-bottom: 2rem;
}

.social-links a {
  color: var(--gray);
  font-size: 1.5rem;
  margin: 0 1rem;
  transition: color 0.3s ease;
}

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

.disclaimer {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .steps {
    flex-direction: column;
  }

  .step {
    margin-bottom: 2rem;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .container {
    padding: 1rem;
  }
}