* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(145deg, #0e0e11, #181820);
  background-image: url('../img/background.jpg');
  background-attachment: fixed;
  background-size: cover;
  color: #e6e6e6;
  overflow-x: hidden;
}
body::selection{
    background-color: #777777b1;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background-color: rgba(12, 12, 14, 0.75);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 1000;
}
header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #00e0b8;
}
nav a {
  margin-left: 2rem;
  color: #ccc;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}
nav a:hover {
  color: #00e0b8;
}
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem;
  background: linear-gradient(rgba(10, 10, 12, 0.8), rgba(10, 10, 12, 0.8)),
    url('https://images.unsplash.com/photo-1616587890569-d3d10df65c77?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.hero h2 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #ffffff;
}
.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin-bottom: 2rem;
  color: #c7c7c7;
}
.btn-primary {
  background-color: #00e0b8;
  color: #0a0a0a;
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}
.btn-primary:hover {
  background-color: #00c6a2;
  transform: scale(1.05);
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  background: rgba(18, 18, 24, 0.75);
  backdrop-filter: blur(4px);
}
.feature {
  background: rgba(30, 30, 36, 0.8);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 224, 184, 0.2);
}
.feature h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: #00e0b8;
}
.feature p {
  font-size: 1rem;
  color: #bdbdbd;
}
.cta {
  background: linear-gradient(rgba(10, 10, 12, 0.8), rgba(10, 10, 12, 0.8)),
    url('https://images.unsplash.com/photo-1616587890569-d3d10df65c77?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  color: #e6e6e6;
  text-align: center;
  padding: 4rem 2rem;
}
.cta h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
}
.plans {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2rem;
}
.plan {
  background: rgba(255, 255, 255, 0.04);
  color: #e6e6e6;
  padding: 2rem;
  border-radius: 12px;
  width: 280px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  transition: transform 0.3s, box-shadow 0.3s;
}
.plan:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 224, 184, 0.15);
}
.plan h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.plan p {
  margin-bottom: 1rem;
}
.plan .price {
  font-size: 1.6rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}
.plan button {
  background: #00e0b8;
  color: #0a0a0a;
  border: none;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}
.plan button:hover {
  background: #00c6a2;
}
footer {
  text-align: center;
  padding: 3rem 2rem;
  font-size: 0.95rem;
  color: #888;
  background: #0b0b0e;
  line-height: 1.6;
}
footer a {
  color: #00e0b8;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}