:root {
  --primary: #9900FF;
  --secondary: #00CCFF;
  --accent: #FF6600;
  --dark: #222639;
  --light: #F8F9FA;
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

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

body {
  font-family: 'Roboto', sans-serif;
  color: var(--dark);
  background-color: var(--light);
  line-height: 1.7;
}

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

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

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

h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

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

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

p {
  margin-bottom: 1rem;
}

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Header */
header {
  padding: 1.5rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-scrolled {
  padding: 1rem 0;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
}

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

nav {
  display: flex;
  align-items: center;
}

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

.nav-link {
  font-weight: 500;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: all 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(153, 0, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(153, 0, 255, 0.3);
}

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

/* Hero Section */
.hero {
  padding: 10rem 0 5rem;
  position: relative;
  overflow: hidden;
  background-color: #F0F2F5;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(153, 0, 255, 0.05), rgba(0, 204, 255, 0.05));
  z-index: -1;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #555;
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  border: 2px solid var(--primary);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

/* Features Section */
.features {
  padding: 5rem 0;
}

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

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

.feature-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
}

.feature-title {
  margin-bottom: 1rem;
  color: var(--dark);
}

/* About Section */
.about {
  padding: 5rem 0;
  background: #F0F2F5;
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(153, 0, 255, 0.1), rgba(0, 204, 255, 0.1));
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h2 {
  margin-bottom: 1.5rem;
}

.about-content p {
  margin-bottom: 1.5rem;
  color: #555;
}

.about-image {
  text-align: center;
}

.about-image svg {
  max-width: 100%;
  height: auto;
}

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

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  margin-bottom: 1.5rem;
}

.cta p {
  margin-bottom: 2rem;
  opacity: 0.9;
}

.btn-white {
  background: white;
  color: var(--primary);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.9);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

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

.footer-text {
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--secondary);
}

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

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

.footer-links a {
  opacity: 0.8;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--secondary);
}

.copyright {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 80%;
  max-width: 300px;
  height: 100%;
  background: white;
  padding: 2rem;
  z-index: 2000;
  transition: all 0.4s ease;
  box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
  left: 0;
}

.close-menu {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--dark);
}

.mobile-nav ul {
  list-style: none;
  margin-top: 3rem;
}

.mobile-nav li {
  margin-bottom: 1.5rem;
}

.mobile-nav a {
  display: block;
  font-size: 1.2rem;
  color: var(--dark);
  font-weight: 500;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive Design */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .about-container {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-info {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero {
    padding: 8rem 0 4rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 1rem;
  }
}