:root {
  --primary-color: #4285f4;
  --text-color: #222;
  --light-text: #666;
  --bg-color: #fff;
  --light-bg: #f8f9fa;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --success-color: #34a853;
  --warning-color: #fbbc05;
  --error-color: #ea4335;
}

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

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  height: auto;
}

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

/* Header */
header {
  background-color: var(--bg-color);
  box-shadow: 0 2px 10px var(--shadow-color);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

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

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Button Styles */
.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s, transform 0.3s;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn:hover {
  background-color: #3367d6;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  background-color: white;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: #f5f9ff;
  color: #3367d6;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

/* Hero Section */
.hero {
  padding: 100px 0 80px;
  background-color: var(--light-bg);
}

.hero h2 {
  font-size: 44px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-color);
}

.hero p {
  font-size: 20px;
  color: var(--light-text);
  max-width: 800px;
  margin: 0 auto 40px;
}

/* Hero Container Layout */
.hero-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
}

.hero-content {
  flex: 1;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Key capabilities section */
.key-capabilities {
  background-color: #f5f9ff;
  padding: 30px 0;
}

.capabilities-wrapper {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
}

.capability {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  width: 180px;
  transition: transform 0.3s ease;
}

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

.capability-icon {
  font-size: 32px;
  margin-bottom: 15px;
}

.capability h3 {
  margin: 0;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
}

/* Features Section */
.features {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.features h2 {
  text-align: center;
  margin-bottom: 60px;
  font-size: 36px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1200px;
  margin: 0 auto;
  gap: 40px;
}

.feature-card {
  background-color: white;
  border-radius: 12px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px var(--shadow-color);
  transition: transform 0.3s;
}

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

.feature-icon {
  font-size: 42px;
  margin-bottom: 24px;
}

.feature-card h3 {
  margin-bottom: 18px;
  font-size: 26px;
  color: var(--primary-color);
}

.feature-card p {
  font-size: 17px;
  line-height: 1.7;
}

/* How it Works Section */
.how-it-works {
  padding: 100px 0;
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: 60px;
  font-size: 36px;
}

.steps {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}

.step {
  flex: 1;
  min-width: 250px;
  background-color: white;
  border-radius: 12px;
  padding: 35px 25px;
  box-shadow: 0 10px 30px var(--shadow-color);
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.step-number {
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
}

.step h3 {
  margin: 25px 0 15px;
  font-size: 24px;
}

.step p {
  color: var(--light-text);
  font-size: 16px;
  line-height: 1.5;
}

.step img {
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 5px 15px var(--shadow-color);
}

/* Testimonials */
.testimonials {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.testimonials h2 {
  text-align: center;
  margin-bottom: 60px;
  font-size: 36px;
}

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

.testimonial-card {
  background-color: white;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 10px 30px var(--shadow-color);
  position: relative;
}

.testimonial-text {
  font-size: 18px;
  margin-bottom: 30px;
  position: relative;
}

.testimonial-text::before {
  content: "\201C";
  font-size: 60px;
  color: rgba(66, 133, 244, 0.2);
  position: absolute;
  top: -20px;
  left: -10px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.author-info h4 {
  margin-bottom: 5px;
  color: var(--primary-color);
}

/* FAQ Section */
.faq {
  padding: 100px 0;
}

.faq h2 {
  text-align: center;
  margin-bottom: 60px;
  font-size: 36px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 30px;
}

.faq-item {
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 20px;
}

.faq-item h3 {
  margin-bottom: 10px;
  font-size: 20px;
  color: var(--primary-color);
}

/* CTA Section */
.cta {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(rgba(66, 133, 244, 0.05), rgba(66, 133, 244, 0.1));
}

.cta h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta p {
  font-size: 20px;
  color: var(--light-text);
  max-width: 800px;
  margin: 0 auto 40px;
}

.cta .btn {
  padding: 15px 30px;
  font-size: 18px;
}

/* Footer */
footer {
  background-color: var(--text-color);
  color: white;
  padding: 60px 0 40px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
}

.footer-column {
  flex: 1;
  min-width: 200px;
}

.footer-column h3 {
  margin-bottom: 20px;
  font-size: 18px;
  color: #fff;
}

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

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

.footer-column a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

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

.copyright {
  margin-top: 40px;
  text-align: center;
  color: #ccc;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero h2 {
    font-size: 36px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 900px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content {
    order: 1;
  }
  
  .hero-image {
    order: 0;
    margin-bottom: 30px;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 20px;
  }
  
  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: 0 auto 40px;
  }
  
  .steps {
    flex-direction: column;
    align-items: center;
  }
  
  .feature-card h3,
  .step h3 {
    font-size: 20px;
  }
}

@media (max-width: 600px) {
  .capability {
    width: 140px;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 28px;
  }
  
  .section h2 {
    font-size: 28px;
  }
  
  .feature-card,
  .testimonial-card {
    padding: 20px;
  }
}