/* ==============================
   THEME VARIABLES (ARC STYLE)
================================ */
:root {
  --bg-main: #05060a;
  --bg-card: rgba(18, 20, 34, 0.7);
  --border: rgba(120, 130, 255, 0.18);

  --primary: #6c7cff;
  --primary-soft: #9aa4ff;
  --accent: #4fd2ff;

  --text-main: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.7);

  --radius-lg: 22px;
  --radius-md: 14px;
}

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

/* ==============================
   BODY / BACKGROUND
================================ */
body {
  min-height: 100vh;
  background: radial-gradient(
      circle at top,
      rgba(108, 124, 255, 0.25),
      transparent 55%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(79, 210, 255, 0.18),
      transparent 60%
    ),
    linear-gradient(180deg, #05060a, #090b18);

  font-family: "Onest", system-ui, sans-serif;
  color: var(--text-main);
}

.app {
  max-width: 520px;
  margin: 0 auto;
  padding: 80px 16px 40px;
  text-align: center;
}

/* ==============================
   HEADER
================================ */
.hero img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
}

.hero h1 {
  font-size: 2.3rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto 48px;
}

/* ==============================
   MAIN CARD
================================ */
.mainbox {
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(108, 124, 255, 0.15),
    rgba(10, 12, 30, 0.8)
  );
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 10px 28px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
}

/* ==============================
   BADGE
================================ */
.badge {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(108, 124, 255, 0.15);
  color: var(--primary-soft);
  border: 1px solid rgba(108, 124, 255, 0.25);
}

/* ==============================
   ICON
================================ */
.mainbox ion-icon {
  font-size: 52px;
  color: var(--primary);
  margin-bottom: 18px;
  filter: drop-shadow(0 0 18px rgba(108, 124, 255, 0.6));
}

/* ==============================
   TEXT CONTENT
================================ */
.mainbox h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.mainbox > p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 26px;
}

/* ==============================
   DETAILS PANEL
================================ */
.details {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 30px;
  text-align: left;
}

.details h5 {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-soft);
  margin-bottom: 6px;
}

.details p {
  font-size: 0.9rem;
  color: #d6dbff;
}

/* ==============================
   CTA BUTTON
================================ */
button {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;

  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;

  color: white;
  background: linear-gradient(135deg, #6c7cff, #4fd2ff);
  box-shadow: 0 18px 40px rgba(108, 124, 255, 0.55);

  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 60px rgba(108, 124, 255, 0.75);
}

/* ==============================
   HINT / DISCLAIMER
================================ */
.hint {
  font-size: 0.8rem;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.55);
}

/* ==============================
   FOOTER
================================ */
footer {
  margin-top: 40px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

footer a {
  color: var(--primary-soft);
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

/* ==============================
   RESPONSIVE
================================ */
@media (max-width: 480px) {
  .mainbox {
    padding: 26px 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }
}