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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #060d1a;
  color: #c8dce8;
  overflow-x: hidden;
}

/* Nav */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 2rem;
  background: rgba(6,13,26,0.85);
  backdrop-filter: blur(12px);
}
.logo { font-weight: 800; font-size: 1.1rem; color: #00c8ff; letter-spacing: 2px; text-decoration: none; cursor: pointer; }
.logo:hover { color: #00e0ff; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: #8ab4cc; text-decoration: none; font-size: 0.9rem; }
.nav-links a:hover { color: #fff; }
.btn-nav {
  background: rgba(0,200,255,0.15); padding: 0.4rem 1rem; border-radius: 20px;
  border: 1px solid rgba(0,200,255,0.3);
}

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.hero-bg { position: absolute; inset: 0; }
.wave-bg { width: 100%; height: 100%; display: block; }
.hero-content { position: relative; text-align: center; max-width: 640px; padding: 2rem; }
.hero-logo { width: 160px; height: 160px; margin: 0 auto 1.5rem; display: block; }
.hero-content h1 {
  font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 900;
  letter-spacing: 6px;
  background: linear-gradient(180deg, #fff 20%, #00c8ff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tagline { font-size: 1.3rem; color: #5eb8db; margin: 0.5rem 0 1.5rem; font-style: italic; }
.blurb { font-size: 1rem; line-height: 1.7; color: #8ab4cc; margin-bottom: 2rem; }
.cta-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-store {
  display: inline-flex; align-items: center; justify-content: center;
  height: 52px; padding: 0 1.2rem;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(0,200,255,0.2);
  border-radius: 14px; transition: transform 0.2s, background 0.2s;
  overflow: hidden;
}
.btn-store img { height: 36px; width: auto; display: block; object-fit: contain; }
.btn-store.play img { height: 48px; margin: -6px -12px; }
.btn-store:hover { transform: translateY(-2px); background: rgba(0,200,255,0.1); }

/* About */
.about { padding: 5rem 2rem; text-align: center; }
.about h2 { font-size: 2rem; color: #fff; margin-bottom: 3rem; }
.features { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; max-width: 900px; margin: 0 auto; }
.feature {
  flex: 1; min-width: 220px; max-width: 280px;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 2rem 1.5rem;
}
.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature h3 { color: #00c8ff; margin-bottom: 0.5rem; }
.feature p { font-size: 0.9rem; line-height: 1.6; }

/* Screenshots */
.screenshots { padding: 5rem 2rem; text-align: center; }
.screenshots h2 { font-size: 2rem; color: #fff; margin-bottom: 3rem; }
.gallery {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; max-width: 1000px; margin: 0 auto;
}
.shot {
  aspect-ratio: 9/16; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08); position: relative;
}
.shot svg { width: 100%; height: 100%; display: block; }
.shot-label {
  position: absolute; bottom: 1rem; left: 1rem;
  background: rgba(0,0,0,0.6); padding: 0.3rem 0.8rem;
  border-radius: 8px; font-size: 0.8rem; color: #5eb8db;
}

/* Download */
.download {
  padding: 5rem 2rem; text-align: center;
  background: linear-gradient(180deg, transparent, rgba(0,100,180,0.08));
}
.download h2 { font-size: 2rem; color: #fff; margin-bottom: 1rem; }
.download p { color: #8ab4cc; margin-bottom: 2rem; }
.signup { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; }
.signup input {
  padding: 0.8rem 1.2rem; border-radius: 10px; border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05); color: #fff; font-size: 1rem; width: 280px;
}
.signup input::placeholder { color: #5a7a8a; }
.signup button {
  padding: 0.8rem 1.6rem; border-radius: 10px; border: none;
  background: #00a0d6; color: #fff; font-weight: 600; font-size: 1rem; cursor: pointer;
}
.signup button:hover { background: #00b8f0; }
.thanks { color: #00c8ff; font-size: 1.1rem; padding: 0.8rem; }

/* Footer */
footer { padding: 2rem; text-align: center; font-size: 0.8rem; color: #3a5a6a; }

@media (max-width: 600px) {
  nav { padding: 0.8rem 1rem; }
  .features { flex-direction: column; align-items: center; }
}