:root {
  --primary-color: #00b4d8;
  --secondary-color: #90e0ef;
  --light-color: #ffffff;
  --dark-color: #333333;
  --gradient: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color),
    var(--light-color)
  );
}

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

body {
  background-color: #f8f9fa;
  color: var(--dark-color);
  line-height: 1.6;
}

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

/* Header Styles */
header {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo span {
  color: var(--dark-color);
}

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

nav ul li {
  margin-left: 25px;
}

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

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

.mobile-menu {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: var(--gradient);
  padding: 150px 0 100px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="white" stroke-width="2" opacity="0.1"/></svg>');
  background-size: 50px;
  opacity: 0.3;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.tagline {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 30px;
}

/* Features Section */
.features {
  padding: 100px 0;
  background-color: var(--light-color);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  font-size: 2.2rem;
  color: var(--primary-color);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
  align-items: center;
}

.feature-item {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.feature-text {
  flex: 1;
}

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

.app-screenshot {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 3 / 6.5;
  background: var(--gradient);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
}

.reverse {
  flex-direction: row-reverse;
}

/* Community Section */
.community {
  padding: 100px 0;
  background: var(--gradient);
  color: white;
  text-align: center;
}

.community p {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 1.2rem;
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 50px 0 30px;
}

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

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-color);
}

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

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .feature-item {
    flex-direction: column;
  }

  .reverse {
    flex-direction: column;
  }

  .app-screenshot {
    max-width: 250px;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 15px 0;
  }

  nav ul {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }

  nav ul.show {
    display: flex;
  }

  nav ul li {
    margin: 10px 0;
  }

  .mobile-menu {
    display: block;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .tagline {
    font-size: 1.2rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

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

@media (max-width: 576px) {
  .hero {
    padding: 120px 0 80px;
  }

  .features,
  .community {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .app-screenshot {
    max-width: 200px;
  }
}