:root {
  --primary-color: #00a143;
  --secondary-color: #00501f;
  --dark-bg: rgba(15, 23, 30, 0.85);
  --text-color: #f5f5f5;
  --section-padding: 80px 20px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("./65-1920x1080.jpg") no-repeat center center fixed;
  background-size: cover;
  color: var(--text-color);
  line-height: 1.6;
}

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

/* Header Styles */
header {
  background-color: var(--dark-bg);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 20px;
  max-width: 700px;
  margin: 0 auto 30px;
}

/* Section Styles */
section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 36px;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
}

.content-block {
  display: flex;
  align-items: center;
  margin-bottom: 80px;
}

.content-block:nth-child(even) {
  flex-direction: row-reverse;
}

.text-content {
  flex: 1;
  padding: 0 40px;
}

.image-content {
  flex: 1;
  display: flex;
  justify-content: center;
}

.app-screenshot {
  width: 200px;
  height: 450px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background-color: var(--dark-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s;
}

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

.feature-icon {
  font-size: 40px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  padding: 50px 0 20px;
  text-align: center;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.contact-info {
  text-align: left;
}

.copyright {
  width: 100%;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
  }

  nav ul {
    margin-top: 15px;
  }

  nav ul li {
    margin-left: 15px;
    margin-right: 15px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .content-block,
  .content-block:nth-child(even) {
    flex-direction: column;
  }

  .text-content {
    padding: 20px 0;
  }

  .app-screenshot {
    width: 160px;
    height: 360px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .contact-info {
    text-align: center;
    margin-bottom: 20px;
  }
}