/* Modern CSS with variables */
:root {
  --primary-color: #6a11cb;
  --secondary-color: #2575fc;
  --accent-color: #f50057;
  --text-color: #333333;
  --background-color: #f5f5f7;
  --card-background: #ffffff;
  --footer-background: #202124;
  --transition-speed: 0.3s;
  --border-radius: 10px;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header styles */
header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--box-shadow);
}

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

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

.logo svg {
  height: 40px;
  width: auto;
  margin-right: 10px;
}

.logo h1 {
  font-size: 24px;
  font-weight: 700;
}

/* Hero section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
              url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400"><rect width="800" height="400" fill="%236a11cb" opacity="0.3"/><path d="M0,100 Q200,-50 400,100 T800,100 V400 H0 Z" fill="%232575fc" opacity="0.6"/></svg>');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h2 {
  font-size: 48px;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto 30px;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-color);
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-speed);
  box-shadow: 0 4px 15px rgba(245, 0, 87, 0.4);
}

.cta-button:hover {
  background-color: #e1004b;
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(245, 0, 87, 0.5);
  color: white;
}

/* Features section */
.features {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section-title h2 {
  font-size: 36px;
  display: inline-block;
  position: relative;
  z-index: 1;
}

.section-title h2:after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

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

.feature-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-speed);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

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

.feature-card h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.feature-card .icon {
  margin-bottom: 20px;
}

/* How it works section */
.how-it-works {
  padding: 80px 0;
  background-color: #f0f2f5;
}

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  counter-reset: step;
}

.step {
  flex-basis: calc(33.333% - 40px);
  margin-bottom: 40px;
  position: relative;
  counter-increment: step;
}

.step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
}

.step-content {
  padding-left: 70px;
}

.step h3 {
  font-size: 22px;
  margin-bottom: 15px;
}

/* Testimonial section */
.testimonials {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(106, 17, 203, 0.05), rgba(37, 117, 252, 0.05));
}

.testimonial-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-card p {
  font-style: italic;
  font-size: 18px;
  margin-bottom: 20px;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-color);
}

/* FAQ section */
.faq {
  padding: 80px 0;
}

.faq-item {
  margin-bottom: 20px;
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.faq-question {
  padding: 20px;
  font-weight: 600;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 24px;
  color: var(--primary-color);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed), padding var(--transition-speed);
}

.faq-item.active .faq-answer {
  padding: 0 20px 20px;
  max-height: 1000px;
}

.faq-item.active .faq-question::after {
  content: '-';
}

/* Footer */
footer {
  background-color: var(--footer-background);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 20px;
  position: relative;
}

.footer-column h3:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

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

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

.footer-column a {
  color: #a0a0a0;
  transition: color var(--transition-speed);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-brand svg {
  height: 30px;
  width: auto;
  margin-right: 10px;
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #a0a0a0;
  font-size: 14px;
}

/* Responsive design */
@media (max-width: 992px) {
  .hero h2 {
    font-size: 36px;
  }
  
  .step {
    flex-basis: calc(50% - 30px);
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    text-align: center;
  }
  
  .logo {
    margin-bottom: 15px;
    justify-content: center;
  }
  
  .hero {
    padding: 60px 20px;
  }
  
  .hero h2 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .section-title h2 {
    font-size: 28px;
  }
  
  .feature-card {
    text-align: center;
  }
  
  .feature-card::before {
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  }
  
  .step {
    flex-basis: 100%;
  }
}

@media (max-width: 576px) {
  .hero h2 {
    font-size: 28px;
  }
  
  .cta-button {
    padding: 12px 24px;
    font-size: 16px;
  }
}