@import url('https://fonts.googleapis.com/css?family=Exo:400,700');

/* Reset & fonts */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Exo', sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 25px 8%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.navbar {
  background: transparent;
  backdrop-filter: none;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  backdrop-filter: blur(10px); 
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.logo {
  position: absolute;
  left: 2%;
  top: 50%;
  transform: translateY(-50%);
}

.logo img {
  height: 50px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.05);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

nav a {
  color: #bbb;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #fff;
}

.hero {
  position: relative;
  min-height: 100vh; 
  overflow: visible; 
  padding-bottom: 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  text-align: center;
  padding: 250px 8% 60px;
}

.tag {
  background: rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.9rem;
  margin-bottom: 25px;
  color: #eee;
}

h1 {
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

p {
  color: #aaa;
  font-size: 1.1rem;
  max-width: 700px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary,
.btn-secondary {
  font-family: 'Exo', sans-serif;
  border: none;
  padding: 15px 30px;
  font-size: 1rem;
  border-radius: 40px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-primary {
  background: #fff;
  color: #000;
}

.btn-primary:hover {
  background: #e0e0e0;
  transform: 1.05;
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  transform: 1.05;
}

/* BACKGROUND ANIMATION */
.area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to left, #101010, #0c0c0c);
  z-index: 1;
  overflow: hidden;
}

.circles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.circles li {
  position: absolute;
  display: block;
  list-style: none;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.2);
  animation: animate 25s linear infinite;
  bottom: -150px;
}

.circles li:nth-child(1) { left: 25%; width: 80px; height: 80px; animation-delay: 0s; }
.circles li:nth-child(2) { left: 10%; width: 20px; height: 20px; animation-delay: 2s; animation-duration: 12s; }
.circles li:nth-child(3) { left: 70%; width: 20px; height: 20px; animation-delay: 4s; }
.circles li:nth-child(4) { left: 40%; width: 60px; height: 60px; animation-delay: 0s; animation-duration: 18s; }
.circles li:nth-child(5) { left: 65%; width: 20px; height: 20px; animation-delay: 0s; }
.circles li:nth-child(6) { left: 75%; width: 110px; height: 110px; animation-delay: 3s; }
.circles li:nth-child(7) { left: 35%; width: 150px; height: 150px; animation-delay: 7s; }
.circles li:nth-child(8) { left: 50%; width: 25px; height: 25px; animation-delay: 15s; animation-duration: 45s; }
.circles li:nth-child(9) { left: 20%; width: 15px; height: 15px; animation-delay: 2s; animation-duration: 35s; }
.circles li:nth-child(10){ left: 85%; width: 150px; height: 150px; animation-delay: 0s; animation-duration: 11s; }

@keyframes animate {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; border-radius: 0; }
  100% { transform: translateY(-1000px) rotate(720deg); opacity: 0; border-radius: 50%; }
}

.services-container {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  margin-top: 40px;
}

.service-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 25px;
  border-radius: 15px;
  max-width: 300px;
  text-align: left;
  transition: transform 0.3s ease, background 0.3s ease;
  text-align: center;
}

.service-card h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: #fff;
}

.service-card p {
  font-size: 1rem;
  color: #aaa;
  line-height: 1.5;
  margin-bottom: 10px;
}

.service-card:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  h1 { font-size: 3rem; }
  p { font-size: 1rem; }
  .buttons { flex-direction: column; }
  .logo img { height: 28px; }
  .services-container { flex-direction: column; align-items: center; }
  .service-card { max-width: 90%; }
}