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

body {
  background:
    radial-gradient(circle at top, #111827, #05050a);
  color: white;
  font-family: Arial, Helvetica, sans-serif;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 20px 40px;

  border-bottom:
    1px solid rgba(255,255,255,0.08);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 55px;
  height: 55px;
  border-radius: 50%;
}

.logo-text {
  color: #00ffcc;
  font-size: 28px;
}

nav a {
  color: #ccc;
  text-decoration: none;
  margin-left: 20px;
  transition: 0.3s;
}

nav a:hover {
  color: #00ffcc;
}

/* HERO */
.hero {
  text-align: center;
  padding: 70px 20px;
}

.hero-banner {
  width: 100%;
  max-width: 850px;

  border-radius: 20px;

  margin-bottom: 40px;

  box-shadow:
    0 0 30px rgba(0,255,204,0.15);
}

.hero h1 {
  font-size: 58px;
  color: #00ffcc;
}

.hero p {
  margin-top: 20px;

  color: #aaa;

  font-size: 20px;

  max-width: 700px;

  margin-left: auto;
  margin-right: auto;
}

/* BUTTON */
.btn {
  margin-top: 30px;

  padding: 14px 28px;

  border: none;

  border-radius: 12px;

  background:
    linear-gradient(90deg, #00ffcc, #7a5cff);

  color: black;

  font-weight: bold;

  cursor: pointer;

  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);

  box-shadow:
    0 0 20px rgba(0,255,204,0.35);
}

/* CARD */
.card {
  max-width: 700px;

  margin: 60px auto;

  padding: 30px;

  background:
    rgba(255,255,255,0.05);

  border:
    1px solid rgba(255,255,255,0.08);

  border-radius: 18px;

  text-align: center;
}

.card h2 {
  color: #00ffcc;
  margin-bottom: 15px;
}

.card p {
  color: #bbb;
  line-height: 1.7;
}

/* FOOTER */
footer {
  text-align: center;

  padding: 40px;

  color: #666;
}