/* ─── Variables ─────────────────────────────────────────── */
:root {
  --bg:             #F2F2F2;
  --border-regular: #F29C50;
  --border-luigi:   #F2784B;
  --text:           #2a2a2a;
  --bubble-bg:      #ffffff;
  --line:           rgba(242, 156, 80, 0.45);
}

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

html, body {
  width: 100%;
  height: 100%;
}

body {
  background: var(--bg);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  overflow: hidden;
}

/* ─── Language button ────────────────────────────────────── */
.lang-btn {
  position: fixed;
  top: 1.2rem;
  right: 1.2rem;
  z-index: 200;
  background: white;
  border: 2px solid #bbb;
  color: var(--text);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  font-family: inherit;
  transition: background 0.2s, color 0.2s;
}
.lang-btn:hover { background: #bbb; color: white; }

/* ─── Page title ────────────────────────────────────────── */
.page-title {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  white-space: nowrap;
  font-family: 'Cairo Play', sans-serif;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 750;
  letter-spacing: -0.01em;
  pointer-events: none;
  line-height: 1;
  color: #F2BA52;
}
.title-hi, .title-im, .title-name { color: inherit; }

/* also visible inside mobile-nav */
.mobile-nav .page-title {
  position: static;
  transform: none;
  margin-bottom: 1.5rem;
  pointer-events: auto;
}

/* ─── Desktop bubble container ───────────────────────────── */
.bubble-container {
  position: fixed;
  inset: 0;
}

.connections-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

/* ─── Bubbles ────────────────────────────────────────────── */
.bubble {
  position: absolute;
  border-radius: 50%;
  background: var(--bubble-bg);
  border: 4px solid var(--border-regular);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  user-select: none;
  /* positions are set as centre points, so we offset by -50% */
  transform: translate(-50%, -50%);
  box-shadow: 0 3px 14px rgba(0,0,0,0.09);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  padding: 0.6rem;
  -webkit-user-drag: none;
}
.bubble:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 10px 28px rgba(0,0,0,0.16);
  background: #fff8f0;
  border-color: var(--border-luigi);
}

.bubble span {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.25;
  pointer-events: none;
}

/* Luigi – central bubble */
.bubble-luigi {
  border: 5px solid var(--border-luigi);
  cursor: pointer;
}
.bubble-luigi span {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
/* pulsing ring */
.bubble-luigi::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid rgba(242, 120, 75, 0.25);
  animation: ring-pulse 2.8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes ring-pulse {
  0%, 100% { opacity: 0.9; transform: scale(1); }
  50%       { opacity: 0.15; transform: scale(1.06); }
}

/* drag active state */
.bubble.dragging {
  cursor: grabbing;
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  transition: none;
}

/* ─── Mobile nav ─────────────────────────────────────────── */
.mobile-nav {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  min-height: 100vh;
  padding: 1.2rem 1.5rem;
}

.mobile-bubble {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--bubble-bg);
  border: 3px solid var(--border-regular);
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  padding: 0.5rem;
  box-shadow: 0 3px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.mobile-bubble:hover, .mobile-bubble:active {
  transform: scale(1.07);
  box-shadow: 0 7px 20px rgba(0,0,0,0.15);
}

.mobile-luigi {
  width: 140px;
  height: 140px;
  border: 4px solid var(--border-luigi);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ─── Footnote ───────────────────────────────────────────── */
.footnote {
  position: fixed;
  bottom: 0.9rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  font-size: 0.7rem;
  color: rgba(0,0,0,0.28);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.02em;
}

/* ─── Mobile header (title + lang btn stacked) ───────────── */
.mobile-header {
  display: none; /* shown only inside the mobile breakpoint */
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  body { overflow-y: auto; overflow-x: hidden; }

  /* hide the fixed desktop overlays */
  body > .lang-btn,
  body > .page-title { display: none; }

  .bubble-container { display: none; }
  .mobile-nav { display: flex; }

  /* mobile header: button top-right, title centred below */
  .mobile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    width: 100%;
    margin-bottom: 0.8rem;
  }

  /* page-title inside mobile-header: static flow, no transform */
  .mobile-header .page-title {
    position: static;
    transform: none;
    pointer-events: auto;
  }

  /* lang button pushed to the far right */
  .mobile-header .lang-btn {
    position: static;
    align-self: flex-end;
  }
}


/* ─── Language visibility (flash-free) ───────────────────────────────────── */
html:not(.lang-vec) .lang-vec  { display: none; }
html.lang-vec .lang-en         { display: none; }