body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f7f7f7;
  color: #222;
  padding-top: 70px;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  padding: 15px 40px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-container img {
  height: 40px;
  width: auto;
}

.logo-container span {
  font-size: 24px;
  font-weight: bold;
  color: #222;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-menu a {
  text-decoration: none;
  color: #222;
  font-size: 16px;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #666;
}

.nav-menu .btn-nav {
  padding: 10px 20px;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 16px;
  transition: background 0.3s;
}

.nav-menu .btn-nav:hover {
  background: #333;
  color: #fff;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #222;
  border-radius: 3px;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

header {
  padding: 80px 20px;
  text-align: center;
  background: white;
}

h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

p.subtitle {
  font-size: 20px;
  max-width: 600px;
  margin: 0 auto 30px;
}

.btn {
  padding: 14px 28px;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
}

section {
  padding: 60px 20px;
  max-width: 900px;
  margin: auto;
}

h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.pricing {
  text-align: center;
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.price {
  font-size: 42px;
  margin: 10px 0;
}

footer {
  text-align: center;
  padding: 30px;
  font-size: 14px;
  color: #666;
}

@media(max-width:700px) {
  nav {
    padding: 12px 15px;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu a {
    font-size: 18px;
    padding: 10px 0;
    width: 100%;
    text-align: center;
  }

  .nav-menu .btn-nav {
    width: 100%;
    text-align: center;
  }

  .features {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 36px;
  }

  .logo-container img {
    height: 35px;
  }

  .logo-container span {
    font-size: 20px;
  }
}