/* Modern, SEO-friendly CSS with mobile responsiveness */
:root {
  --primary-color: #6200ee;
  --secondary-color: #ff6b6b;
  --accent-color: #03dac6;
  --text-color: #333333;
  --light-bg: #f9f9f9;
  --dark-bg: #121212;
  --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

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

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

/* Improved accessibility */
:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

header {
  background: var(--gradient);
  color: white;
  padding: 1.5rem 0;
  position: relative;
}

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

.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  gap: 10px;
}

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

.menu {
  display: flex;
  gap: 1.5rem;
}

.menu a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.menu a:hover {
  color: var(--accent-color);
}

.hero {
  padding: 4rem 0;
  text-align: center;
  background-color: var(--dark-bg);
  color: white;
  position: relative;
  overflow: hidden;
}

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

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background: var(--gradient);
  color: white;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.features {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  color: var(--primary-color);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient);
  margin: 15px auto 0;
  border-radius: 2px;
}

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

.feature-card {
  background: white;
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  margin-bottom: 1.5rem;
  display: inline-flex;
  width: 70px;
  height: 70px;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: var(--light-bg);
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  fill: var(--primary-color);
}

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

.about {
  padding: 5rem 0;
  background-color: var(--light-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.about-text p {
  margin-bottom: 1rem;
}

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

.cta-section h2 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 3rem 0 2rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-logo-img {
  height: 30px;
  width: 30px;
}

.footer-links h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  color: var(--accent-color);
}

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

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-links ul li a {
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  opacity: 0.8;
}

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

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

/* Mobile Responsiveness */
@media screen and (max-width: 768px) {
  .menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary-color);
    padding: 1rem 0;
    z-index: 10;
  }
  
  .menu-btn {
    display: block;
    cursor: pointer;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
}

/* Added for mobile menu functionality */
.menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Show menu when active */
.menu.active {
  display: flex;
}

/* Animation for elements */
.fade-in {
  animation: fadeIn 1s ease-in forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Accessibility improvements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* For preload */
.preload {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--dark-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease-in-out;
}

.preload.hide {
  opacity: 0;
  pointer-events: none;
}