:root {
  --primary-color: #004D40;
  --secondary-color: #00838F;
  --accent-color: #26A69A;
  --light-color: #B2DFDB;
  --white-color: #FFFFFF;
  --dark-color: #00352C;
  --grey-color: #E0E0E0;
  --gradient: linear-gradient(120deg, #004D40, #00838F);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  --border-radius: 10px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Roboto', 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #F5F5F5;
}

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

/* Header Styles */
.header {
  background-color: var(--primary-color);
  color: var(--white-color);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--white-color);
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

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

.nav-desktop {
  display: flex;
}

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

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

.nav-desktop a:hover {
  color: var(--light-color);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-mobile {
  display: none;
}

/* Hero Section */
.hero {
  padding-top: 100px;
  background-image: var(--gradient);
  color: var(--white-color);
  padding-bottom: 5rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--white-color);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  background-color: #2BB9AE;
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--white-color);
}

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

/* Features Section */
.features {
  padding: 5rem 0;
  background-color: var(--white-color);
}

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

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.1rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.features-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.feature-card {
  background-color: #FFFFFF;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  flex: 1;
  min-width: 250px;
  max-width: 350px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
}

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

.feature-card p {
  color: #666;
  font-size: 1rem;
}

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

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 2rem;
  gap: 2rem;
}

.step {
  flex: 1;
  min-width: 250px;
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  position: relative;
}

.step-number {
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  background-color: var(--accent-color);
  color: var(--white-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

.step h3 {
  margin-top: 1rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  text-align: center;
}

.step p {
  color: #666;
  text-align: center;
}

/* Testimonials Section */
.testimonials {
  padding: 5rem 0;
  background-color: var(--white-color);
}

.testimonials-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial {
  background-color: #F9F9F9;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  max-width: 400px;
}

.testimonial p {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: #555;
}

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

.testimonial-author-info {
  margin-left: 1rem;
}

.testimonial-author h4 {
  margin: 0;
  color: var(--primary-color);
}

.testimonial-author span {
  font-size: 0.9rem;
  color: #777;
}

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

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta p {
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

/* FAQ Section */
.faq {
  padding: 5rem 0;
  background-color: #F5F5F5;
}

.faq-container {
  max-width: 800px;
  margin: 3rem auto 0;
}

.faq-item {
  margin-bottom: 1.5rem;
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.faq-question {
  background-color: #FAFAFA;
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary-color);
  font-weight: 600;
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 500px;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: var(--white-color);
  padding: 4rem 0 1rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.footer-column {
  flex: 1;
  min-width: 250px;
}

.footer-column h3 {
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent-color);
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 40px;
  margin-right: 10px;
}

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

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

.footer-links a {
  color: var(--light-color);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-text {
  color: #BBB;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: #AAA;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media screen and (max-width: 992px) {
  .feature-card {
    min-width: 200px;
  }
  
  .footer-inner {
    gap: 3rem;
  }
}

@media screen and (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 1rem 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }
  
  .nav-mobile.show {
    display: block;
  }
  
  .nav-mobile ul {
    list-style: none;
  }
  
  .nav-mobile li {
    padding: 0.8rem 2rem;
    text-align: center;
  }
  
  .nav-mobile a {
    color: var(--white-color);
    text-decoration: none;
    display: block;
    font-weight: 500;
  }
  
  .steps {
    flex-direction: column;
  }
  
  .step {
    margin-bottom: 3rem;
  }
}

@media screen and (max-width: 576px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .feature-card {
    max-width: 100%;
  }
  
  .btn {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
  }
}