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

html, body {
  height: 100%;
}

body {
  background: #000;
  color: #f5f5f7;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Layout ── */

.container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px 40px;
}

.hero {
  text-align: center;
  max-width: 520px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards;
}

/* ── Icon ── */

.icon-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 40px;
}

.app-icon {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  position: relative;
  z-index: 1;
}

.icon-glow {
  position: absolute;
  inset: -24px;
  border-radius: 40px;
  background: radial-gradient(circle, rgba(120, 180, 255, 0.45) 0%, transparent 70%);
  filter: blur(28px);
  z-index: 0;
  animation: pulseGlow 4s ease-in-out infinite;
}

/* ── Typography ── */

.title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #fff 40%, rgba(255, 255, 255, 0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.25rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
}

/* ── Features ── */

.features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 44px;
}

.features li {
  font-size: 0.95rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.01em;
}

/* ── CTA ── */

.coming-soon {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.4);
}

/* ── Footer ── */

.footer {
  text-align: center;
  padding: 24px;
  opacity: 0;
  animation: fadeIn 1.2s ease 0.5s forwards;
}

.footer p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.8;
}

.footer a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: #fff;
}

/* ── Animations ── */

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.12);
  }
}

/* ── Responsive ── */

@media (max-width: 480px) {
  .app-icon {
    width: 100px;
    height: 100px;
    border-radius: 22px;
  }

  .icon-glow {
    inset: -18px;
    border-radius: 32px;
  }

  .title {
    font-size: 2.25rem;
  }

  .subtitle {
    font-size: 1.1rem;
    margin-bottom: 28px;
  }

  .features {
    margin-bottom: 36px;
  }

  .features li {
    font-size: 0.875rem;
  }

  .container {
    padding: 48px 20px 32px;
  }
}