/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Variables */
:root {
  --primary: #00C9FF;
  --secondary: #92FE9D;
  --dark: #222;
  --light: #ffffff;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --shadow: 0 4px 20px rgba(0, 201, 255, 0.15);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.5rem;
}

.highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: #ffe003;
  font-weight: 700;
}

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

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

ul {
  list-style: none;
}

/* Layout */
.wrapper {
  position: relative;
  background: var(--light);
  overflow: hidden;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  z-index: 900;
  display: none;
}

.overlay.active {
  display: block;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.logo-svg {
  margin-right: 0.75rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-menu a {
  color: var(--dark);
  font-weight: 500;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.menu-toggle span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--dark);
  border-radius: 3px;
  transition: var(--transition);
}

.menu-toggle span:first-child {
  top: 0;
}

.menu-toggle span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.menu-toggle span:last-child {
  bottom: 0;
}

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  background: var(--gradient);
  color: var(--light);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--light);
  font-size: 4rem;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero .subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero .description {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-primary {
  display: inline-block;
  background: var(--light);
  color: var(--primary);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 201, 255, 0.25);
  color: var(--primary);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--light);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid var(--light);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  transform: translateY(-3px);
}

.wave-divider {
  position: absolute;
  bottom: -22px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.wave-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 100px;
}

/* Features Section */
.features {
  padding: 6rem 2rem;
  background-color: var(--light);
}

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

.feature-card {
  background: var(--light);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 201, 255, 0.2);
}

.feature-icon {
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0, 201, 255, 0.1);
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 2rem;
  background-color: #f8f9fa;
  position: relative;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto 4rem;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--light);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.action-cta {
  text-align: center;
  margin-top: 3rem;
}

/* Examples Section */
.examples {
  padding: 6rem 2rem;
  background: var(--light);
}

.examples-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.category-card {
  background: var(--light);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
  height: 100%;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 201, 255, 0.2);
}

.category-icon {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background-color: var(--dark);
  color: #aaa;
  padding: 4rem 2rem 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: 3rem;
}

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

.footer-logo-svg {
  margin-right: 1rem;
}

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

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

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--gradient);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-column a {
  color: #aaa;
}

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

.copyright {
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 992px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 1rem;
  }
  
  .menu-toggle {
    display: block;
    z-index: 1000;
  }
  
  .menu-toggle.active span:first-child {
    transform: translateY(8px) rotate(45deg);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:last-child {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: 0.5s;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    z-index: 999;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero .subtitle {
    font-size: 1.25rem;
  }
  
  .hero .description {
    font-size: 1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
  }
  
  .features-grid, .steps, .examples-categories {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero {
    padding: 7rem 0 5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .wave-divider svg {
    height: 50px;
  }
}