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

/* ===============================
   BODY / BACKGROUND
================================ */
body {
  height: 100svh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    #f7e6ec 45%,
    #fff7ed 100%
  );
  overflow: hidden;
}

/* ===============================
   LAYOUT
================================ */
.hero {
  width: 100%;
  height: 100%;
}

.sphere-system {
  position: relative;
  width: 100%;
  height: 100svh;
}

/* ===============================
   CENTER SPHERE
================================ */
.center-sphere {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(320px, 48vw, 440px);
  height: auto;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.08);
  padding: 48px 40px;
  text-align: center;
  z-index: 2;
  pointer-events: none;
}

/* ===============================
   CENTER CONTENT
================================ */
.center-content h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  color: #312e81;
}

.subtitle {
  margin-top: 12px;
  font-size: clamp(0.9rem, 3vw, 1.05rem);
  color: #6366f1;
}

.intro {
  margin-top: 24px;
  font-size: clamp(0.95rem, 3.5vw, 1.05rem);
  color: #475569;
  line-height: 1.6;
}

.center-content a {
  color: #4f46e5;
  text-decoration: underline;
}

/* ===============================
   ORBIT CIRCLES
================================ */
.orbit {
  position: absolute;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4338ca;
  font-weight: 500;
  font-size: 0.95rem;
  border: none;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 5;
}

/* ===============================
   MOBILE
================================ */
@media (max-width: 768px) {
  .center-sphere {
    width: 280px;
    padding: 36px 28px;
  }

  .orbit {
    width: 72px;
    height: 72px;
    font-size: 0.8rem;
  }
}