:root {
  --primary: #1a237e;
  --secondary: #ffd600;
  --accent: #00bfae;
  --bg: #f5f7fa;
  --text: #222;
  --white: #fff;
  --shadow: 0 2px 8px rgba(0,0,0,0.07);
  --radius: 12px;
  --font-main: 'Segoe UI', 'Roboto', Arial, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo img {
  height: 48px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--secondary);
}

.hero {
  background: linear-gradient(120deg, var(--primary) 60%, var(--secondary) 100%);
  color: var(--white);
  padding: 5rem 2rem 4rem 2rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.hero-content h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
}

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

.btn {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  box-shadow: var(--shadow);
}

.btn.primary {
  background: var(--secondary);
  color: var(--primary);
}

.btn.primary:hover {
  background: var(--accent);
  color: var(--white);
}

.btn.secondary {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--secondary);
}

.btn.secondary:hover {
  background: var(--secondary);
  color: var(--primary);
}

.selling-points {
  background: var(--white);
  padding: 3rem 2rem;
  text-align: center;
}

.selling-points h2 {
  margin-bottom: 2rem;
  color: var(--primary);
}

.points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.point {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2rem 1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.point .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.product-spotlight {
  background: var(--bg);
  padding: 3rem 2rem;
  text-align: center;
}

.product-spotlight h2 {
  color: var(--primary);
  margin-bottom: 2rem;
}

.product-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}

.product-img {
  width: 200px;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--white);
}

.product-desc {
  flex: 1 1 300px;
  text-align: left;
}

.applications {
  background: var(--white);
  padding: 3rem 2rem;
  text-align: center;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.app {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 1.2rem 0.5rem;
  box-shadow: var(--shadow);
  font-weight: 500;
}

.about-snippet {
  background: var(--bg);
  padding: 3rem 2rem;
  text-align: center;
}

.about-snippet h2 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-snippet {
  background: var(--white);
  padding: 3rem 2rem;
  text-align: center;
}

.contact-snippet h2 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-form-section {
  background: var(--bg);
  padding: 3rem 2rem;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
  margin: 0 auto 2rem auto;
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-main);
}

.contact-form textarea {
  min-height: 100px;
  resize: vertical;
}

.contact-form button {
  width: 100%;
}

.contact-info {
  color: var(--primary);
  font-weight: 500;
}

footer {
  background: var(--primary);
  color: var(--white);
  padding: 2rem 1rem 1rem 1rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  height: 32px;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

@media (max-width: 800px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  .product-flex {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  .points-grid, .apps-grid {
    grid-template-columns: 1fr;
  }
  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}