:root {
  --primary-color: #25d366;
  --secondary-color: #128c7e;
  --accent-color: #075e54;
  --text-color: #333333;
  --light-text: #ffffff;
  --background: #ffffff;
  --light-bg: #f5f9f7;
  --dark-bg: #103430;
  --radius: 8px;
  --shadow: 0 8px 20px rgba(18, 140, 126, 0.15);
  --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.8rem;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  text-align: center;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(18, 140, 126, 0.25);
}

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

.btn-outline:hover {
  background-color: var(--secondary-color);
  color: var(--light-text);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn-nav {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 8px 20px;
  border-radius: 20px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  z-index: 100;
}

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

.logo a {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.logo svg {
  margin-right: 10px;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 999;
}

.menu-toggle span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--text-color);
  margin: 5px 0;
  border-radius: 3px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--light-bg) 0%, #e6f7ef 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -5%;
  right: -5%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.1) 0%, rgba(37, 211, 102, 0) 70%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -5%;
  left: -5%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 140, 126, 0.1) 0%, rgba(18, 140, 126, 0) 70%);
}

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

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

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

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

.feature-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
}

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

/* CTA Banner */
.cta-banner {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  color: var(--light-text);
  text-align: center;
}

.cta-banner h2 {
  color: var(--light-text);
}

.cta-banner p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.cta-banner .btn {
  background: var(--light-text);
  color: var(--secondary-color);
}

.cta-banner .btn:hover {
  background: var(--light-bg);
}

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

.steps {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  position: relative;
  flex: 1;
  text-align: center;
  padding: 2rem;
  background: var(--background);
  border-radius: var(--radius);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 45%;
  right: -1rem;
  width: 2rem;
  height: 2rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2325d366'%3E%3Cpath d='M13.172 12l-4.95-4.95 1.414-1.414L16 12l-6.364 6.364-1.414-1.414z'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
}

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

/* FAQ Section */
.faq {
  padding: 5rem 0;
}

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

.faq-item {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

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

.footer-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo p {
  margin-top: 1rem;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-column h4 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

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

.footer-column a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-column a:hover {
  opacity: 1;
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  h1 {
    font-size: 2.4rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero .container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    justify-content: center;
    margin-top: 2rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--light-bg);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: all 0.4s ease;
    z-index: 99;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .steps {
    flex-direction: column;
  }
  
  .step:not(:last-child)::after {
    top: auto;
    bottom: -1rem;
    right: 45%;
    transform: rotate(90deg);
  }
  
  .footer-top {
    flex-direction: column;
  }
  
  .footer-links {
    flex-wrap: wrap;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}