@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&display=swap');

:root {
  --background-color: #000;
  --text-color: #fff;
  --accent-color: #fff; /* Accent color changed to white */
  --border-color: rgba(255, 255, 255, 0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: 'Inter', sans-serif;
  margin: 0;
  line-height: 1.6;
}

a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: rgba(255, 255, 255, 0.7);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.8); /* Add background to prevent content from showing through */
  backdrop-filter: blur(10px); /* Frosted glass effect */
  -webkit-backdrop-filter: blur(10px);
}

.logo {
  font-weight: 900;
  font-size: 20px;
}

.header nav {
  display: flex;
  gap: 30px;
}

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#particle-canvas {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 7vw;
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 20px;
  text-transform: uppercase;
}

.hero p {
  font-size: 1.2rem;
  max-width: 500px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.7);
}

.cta-button {
  display: inline-block;
  padding: 15px 30px;
  background-color: transparent;
  color: var(--accent-color);
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
  border: 2px solid var(--accent-color);
}

.cta-button:hover {
  background-color: var(--accent-color);
  color: var(--background-color);
}

.features {
  padding: 100px 40px;
  text-align: center;
}

.features h2 {
  font-size: 3rem;
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: left;
}

.feature-item {
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 10px;
  transition: border-color 0.3s ease;
}

.feature-item:hover {
  border-color: var(--accent-color);
}

.feature-item h3 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 15px;
}

.feature-item p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer {
  text-align: center;
  padding: 40px;
  border-top: 1px solid var(--border-color);
  color: rgba(255, 255, 255, 0.5);
}

.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--text-color);
  color: var(--background-color);
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .header {
    padding: 20px;
  }
  .header nav {
    display: none; /* Simple solution for mobile */
  }
  .hero h1 {
    font-size: 12vw;
  }
  .features {
    padding: 60px 20px;
  }
  .features h2 {
    font-size: 2rem;
  }
  .back-to-top {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}