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

body {
  font-family: 'Inter', sans-serif;
  background: #1a1a1a;
  color: #fff;
  line-height: 1.6;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.9);
  position: fixed;
  width: 100%;
  z-index: 1000;
  top: 0;
}

.logo-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-list a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-list a:hover {
  color: #00b7eb;
}

.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

.hero {
  height: 100vh;
  background: url('background.jpg') no-repeat center center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 20px;
}

.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: 18px;
  color: #cccccc;
  margin-bottom: 30px;
}

.hero-btn {
  background: #00b7eb;
  color: #fff;
  padding: 15px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: background 0.3s, transform 0.3s;
}

.hero-btn:hover {
  background: #009bb5;
  transform: scale(1.05);
}

.products, .about, .social, .why {
  padding: 50px 20px;
  text-align: center;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  margin-bottom: 20px;
  color: #fff;
}

.product-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.product-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  width: 300px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.product-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.product-desc {
  font-size: 14px;
  color: #cccccc;
  margin-bottom: 15px;
}

.product-btn {
  background: #00b7eb;
  color: #fff;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.3s, transform 0.3s;
}

.product-btn:hover {
  background: #009bb5;
  transform: scale(1.05);
}

.about-text, .why-text {
  font-size: 16px;
  color: #cccccc;
  max-width: 800px;
  margin: 0 auto;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.social-icon {
  width: 30px;
  height: 30px;
  filter: invert(100%);
  transition: transform 0.3s;
}

.social-icon:hover {
  transform: scale(1.1);
}

.feature-list {
  list-style: none;
  text-align: left;
  max-width: 600px;
  margin: 0 auto 20px;
}

.feature-list li {
  font-size: 16px;
  color: #fff;
  padding: 5px 0 5px 15px;
  position: relative;
}

.feature-list li::before {
  content: '•';
  color: #00b7eb;
  position: absolute;
  left: 0;
}

.contact-btn {
  background: #00b7eb;
  color: #fff;
  padding: 12px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 16px;
  display: inline-block;
  transition: background 0.3s, transform 0.3s;
}

.contact-btn:hover {
  background: #009bb5;
  transform: scale(1.05);
}

.footer {
  background: #1a1a1a;
  padding: 40px 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact {
  margin-bottom: 20px;
}

.footer-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-bottom: 10px;
}

.footer-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px;
  margin-bottom: 10px;
  color: #fff;
}

.footer-contact-item {
  font-size: 16px;
  color: #cccccc;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.contact-icon {
  width: 20px;
  height: 20px;
  filter: invert(100%);
}

.footer-contact-item a {
  color: #00b7eb;
  text-decoration: none;
}

.footer-contact-item a:hover {
  text-decoration: underline;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 10px;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #00b7eb;
}

.footer-copyright {
  font-size: 14px;
  color: #cccccc;
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    padding: 20px;
  }

  .nav-list.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

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

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-btn {
    padding: 12px 20px;
    font-size: 14px;
  }

  .product-grid {
    flex-direction: column;
    align-items: center;
  }

  .product-card {
    width: 100%;
    max-width: 300px;
  }

  .section-title {
    font-size: 28px;
  }

  .footer-title {
    font-size: 18px;
  }

  .footer-contact-item {
    font-size: 14px;
  }
}