:root {
  --primary-color: #21D4FD;
  --primary-gradient: linear-gradient(135deg, #21D4FD 0%, #B721FF 100%);
  --text-color: #333;
  --light-bg: #f8f9fa;
  --dark-bg: #1a1a1a;
  --accent-color: #FFD166;
  --font-primary: 'Nunito', sans-serif;
  --font-secondary: 'Lato', sans-serif;
  --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-color);
  background: var(--light-bg);
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* Header Styles */
header {
  background: var(--primary-gradient);
  color: white;
  padding: 1rem 0;
  position: relative;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 50px;
  height: 50px;
}

.logo h1 {
  font-size: 1.8rem;
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  list-style: none;
}

.nav-link {
  color: white;
  font-weight: 600;
}

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

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: white;
  transition: all 0.3s ease-in-out;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 4rem 0;
  background: var(--primary-gradient);
  color: white;
  text-align: center;
  margin-bottom: 2rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 150%;
  height: 100px;
  background: var(--light-bg);
  bottom: -50px;
  left: -25%;
  border-radius: 50% 50% 0 0;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  background: var(--accent-color);
  color: var(--dark-bg);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: var(--shadow);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  width: 60%;
  height: 4px;
  background: var(--primary-gradient);
  bottom: -10px;
  left: 20%;
  border-radius: 2px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background: rgba(33, 212, 253, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

/* How It Works */
.how-it-works {
  padding: 5rem 0;
  background: rgba(33, 212, 253, 0.05);
}

.steps {
  max-width: 900px;
  margin: 0 auto;
  counter-reset: step-counter;
}

.step {
  display: flex;
  align-items: flex-start;
  margin-bottom: 3rem;
  position: relative;
  padding-left: 80px;
}

.step:last-child {
  margin-bottom: 0;
}

.step:before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: bold;
}

.step h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* Testimonials */
.testimonials {
  padding: 5rem 0;
  text-align: center;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  max-width: 800px;
  margin: 2rem auto;
  box-shadow: var(--shadow);
  position: relative;
}

.testimonial-card:before {
  content: '"';
  font-size: 6rem;
  position: absolute;
  top: -20px;
  left: 20px;
  color: rgba(33, 212, 253, 0.2);
  font-family: Georgia, serif;
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
}

.user-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 1rem;
}

/* CTA Section */
.cta {
  background: var(--primary-gradient);
  color: white;
  padding: 5rem 0;
  text-align: center;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

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

.btn-white:hover {
  background: var(--accent-color);
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: white;
  padding: 4rem 0 2rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.footer-logo img {
  width: 40px;
  height: 40px;
}

.footer-logo span {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-about p {
  margin-bottom: 1.5rem;
  color: #ddd;
}

.footer-links h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--accent-color);
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #ddd;
}

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

.copyright {
  text-align: center;
  padding-top: 3rem;
  color: #aaa;
  font-size: 0.9rem;
}

/* Media Queries */
@media (max-width: 992px) {
  .hero h2 {
    font-size: 2.2rem;
  }
  
  .step {
    padding-left: 70px;
  }
  
  .step:before {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    gap: 0;
    flex-direction: column;
    background-color: var(--primary-color);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    z-index: 100;
    padding: 1rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-item {
    margin: 1rem 0;
  }
  
  .hero h2 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
  
  .step {
    padding-left: 0;
    padding-top: 70px;
  }
  
  .step:before {
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (max-width: 576px) {
  .container {
    width: 95%;
  }
  
  .logo h1 {
    font-size: 1.5rem;
  }
  
  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
}