:root {
  --bg: #070a0f;
  --card: rgba(255, 255, 255, 0.04);
  --stroke: rgba(255, 255, 255, 0.06);
  --text: #e6eef6;
  --muted: #9aa5b1;
  --accent: #7c5cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, Arial;
  background: radial-gradient(circle at top, #0d1220, var(--bg));
  color: var(--text);

  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* FIX MOBILE VH */
main.hero {
  min-height: 100vh;
  min-height: 100dvh;

  display: flex;
  justify-content: center;
  align-items: center;

  padding: 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

.container {
  width: 100%;
  max-width: 980px;

  padding: 22px;
  border-radius: 18px;

  background: rgba(255,255,255,0.02);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(14px);

  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

/* HEADER */
.header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

h1 {
  margin: 0;
  font-size: 22px;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* BUTTONS */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 26px;
}

.btn {
  flex: 1;
  min-width: 160px;

  display: inline-flex;
  justify-content: center;
  align-items: center;

  padding: 12px 14px;
  min-height: 44px;

  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;

  transition: 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), #5aa0ff);
  color: white;
  box-shadow: 0 10px 30px rgba(124,92,255,0.25);
}

.btn-ghost {
  border: 1px solid var(--stroke);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}

/* FEATURES */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.card {
  padding: 16px;
  border-radius: 14px;

  background: var(--card);
  border: 1px solid var(--stroke);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* FOOTER */
.footer {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--stroke);
  padding-top: 14px;
}

/* MOBILE TWEAKS */
@media (max-width: 640px) {
  .container {
    padding: 16px;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}