/* Reset */
* {
  box-sizing:border-box;
}

body {
  margin:0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background:#030b1c;
  color:white;
}

/* NAV */
nav {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 30px;
}

.logo {
  font-size:22px;
  font-weight:700;
  letter-spacing:1px;
}

.nav-links a {
  margin-left:18px;
  color:#ccc;
  font-size:14px;
}

.nav-links a:hover {
  color:#1e90ff;
}

.btn {
  background:#1e90ff;
  color:white;
  padding:10px 18px;
  border-radius:8px;
}

/* HERO */
.hero {
  min-height:100vh;
  background:radial-gradient(circle at center, #0a2a5a, #020617);
}

.hero-content {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:80px 40px;
  flex-wrap:wrap;
}

.hero-text {
  max-width:520px;
}

.hero h2 {
  font-size:48px;
  margin-bottom:10px;
}

.hero p {
  color:#ccc;
}

.play {
  display:inline-block;
  margin-top:20px;
  background:white;
  color:#000;
  padding:14px 28px;
  border-radius:12px;
  font-weight:bold;
}

/* FEATURES */
.features {
  padding:80px 30px;
  text-align:center;
}

.features h3 {
  font-size:28px;
}

.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:22px;
  margin-top:40px;
}

.grid div {
  background:#071a3a;
  padding:22px;
  border-radius:16px;
}

/* DOWNLOAD */
.download {
  background:#020617;
  padding:80px 30px;
  text-align:center;
}

.store {
  display:inline-block;
  margin-top:20px;
  background:#1e90ff;
  padding:14px 40px;
  border-radius:14px;
  color:white;
  font-size:18px;
}

/* FOOTER */
footer {
  background:#01040b;
  padding:20px;
  text-align:center;
  color:#888;
}

.footer-links {
  display:flex;
  justify-content:center;
  gap:25px;
  margin-bottom:10px;
}

.footer-links a {
  color:#aaa;
  font-size:14px;
}

.footer-links a:hover {
  color:#1e90ff;
}

/* MOBILE */
@media(max-width:800px){
  .hero h2 { font-size:34px; }
  .hero-content { padding:40px 20px; }
}