/* Variables */
:root {
  --primary-color: #1976D2;
  --secondary-color: #00C853;
  --accent-color: #FF4081;
  --text-color: #212121;
  --light-text: #ffffff;
  --bg-color: #ECEFF1;
  --card-bg: white;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Header */
header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-text);
}

.logo-icon {
  width: 40px;
  height: 40px;
}

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

.nav-links a {
  color: var(--light-text);
  font-weight: 500;
  transition: all 0.3s ease;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--light-text);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  padding: 5rem 2rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
  z-index: 0;
  opacity: 0.2;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
  text-align: left;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-visual {
  flex: 1;
  max-width: 500px;
}

.hero-graphic {
  width: 100%;
  height: auto;
  filter: drop-shadow(0px 10px 20px rgba(0, 0, 0, 0.15));
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 138, 0, 0.4);
}

.cta-button:hover {
  background-color: #ff9d2d;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 138, 0, 0.5);
}

/* Features Section */
.features {
  padding: 5rem 2rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.features-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
  text-align: center;
}

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

.feature-icon {
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 60px;
  height: 60px;
  fill: var(--primary-color);
}

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

/* How It Works */
.how-it-works {
  padding: 5rem 2rem;
  background-color: #f0f2f5;
}

.steps-container {
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: center;
  margin-bottom: 4rem;
  gap: 3rem;
}

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

.step-number {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}

.step-content {
  flex-grow: 1;
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* Testimonials */
.testimonials {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, #f8f9fa, #eaeef2);
}

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

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-weight: 600;
  display: flex;
  align-items: center;
}

.testimonial-author::before {
  content: '—';
  margin-right: 0.5rem;
}

/* FAQ Section */
.faq {
  padding: 5rem 2rem;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #eaeef2;
  padding-bottom: 1.5rem;
}

.faq-question {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
}

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

.faq-answer {
  display: none;
  padding-top: 0.5rem;
}

.faq-answer.active {
  display: block;
}

/* CTA Section */
.cta-section {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  text-align: center;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
}

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

/* Footer */
footer {
  background-color: #2a2a2a;
  color: var(--light-text);
  padding: 3rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

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

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

.footer-links h3,
.footer-contact h3 {
  color: var(--light-text);
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  font-weight: 600;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

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

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

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  color: #999;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--primary-color);
    padding: 1rem 0;
    gap: 0;
  }
  
  .menu.active {
    display: flex;
  }
  
  .menu a {
    padding: 1rem 2rem;
    width: 100%;
    text-align: center;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .feature-card {
    padding: 2rem 1.5rem;
  }
  
  .cta-button {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}