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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
}

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

header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: bold;
}

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

.nav-links a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s;
}

.nav-links a:hover {
  opacity: 0.8;
}

.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 120px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.tagline {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  font-weight: 300;
}

.cta-button {
  display: inline-block;
  background: #ff6b6b;
  color: white;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

.product-image {
  margin: 3rem 0;
}

.product-image img {
  max-width: 400px;
  width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.features {
  padding: 80px 0;
  background: #f8f9fa;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #333;
}

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

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.about {
  padding: 80px 0;
}

.about h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.8;
}

footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

.contact {
  padding: 80px 0;
  background: #f8f9fa;
}

.contact h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #333;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-info {
  background: white;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #667eea;
}

.phone-number {
  font-size: 1.8rem;
  font-weight: bold;
  color: #333;
  margin: 1rem 0;
}

.phone-number a {
  color: #25d366;
  text-decoration: none;
}

.phone-number a:hover {
  text-decoration: underline;
}

.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #999;
  z-index: 1000;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.whatsapp-float:hover {
  background-color: #20ba5a;
  transform: scale(1.1);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float:before {
  content: "💬";
  font-size: 24px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .tagline {
    font-size: 1.2rem;
  }

  .nav-links {
    display: none;
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
    font-size: 24px;
  }

  .whatsapp-float:before {
    font-size: 20px;
  }
}