/* -----------------------------
   CSS Reset (minimal)
------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Ubuntu, sans-serif;
  background: radial-gradient(1200px 600px at top, #0f172a, #020617);
  color: #e5e7eb;
  min-height: 100vh;
}

/* -----------------------------
   Layout
------------------------------ */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 4rem 1.5rem 2rem;
}

.hero {
  text-align: center;
  margin-bottom: 4rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.05em;
  margin: 0;
}

.hero .dot {
  color: #38bdf8;
}

.subtitle {
  margin-top: 1rem;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #cbd5f5;
}

/* -----------------------------
   App Cards
------------------------------ */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  border-radius: 16px;
  text-decoration: none;
  color: inherit;

  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.02)
  );

  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);

  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.card p {
  flex-grow: 1;
  color: #c7d2fe;
  line-height: 1.5;
}

.card .cta {
  margin-top: 1.5rem;
  font-weight: 600;
  color: #38bdf8;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  border-color: rgba(56, 189, 248, 0.5);
}

/* -----------------------------
   Footer
------------------------------ */
.footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* -----------------------------
   Dark / Light auto handling
------------------------------ */
@media (prefers-color-scheme: light) {
  body {
    background: radial-gradient(1200px 600px at top, #f8fafc, #e2e8f0);
    color: #020617;
  }

  .subtitle,
  .card p {
    color: #334155;
  }

  .card {
    background: white;
    border-color: #e2e8f0;
  }

  .card:hover {
    border-color: #38bdf8;
  }

  .footer {
    color: #475569;
  }
}