/* ============================================================
   dotnav.css — Road Ready JA
   Persistent dot nav + topbar, merged into one file.
   Dots always show their label. Hover animates the dot only —
   the invisible hitbox stays full size so clicks always register.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&display=swap");

:root {
  --bg: #1a1a1a;
  --surface: #242424;
  --border: #3a3a3a;
  --accent: #f0d316;
  --text-muted: #8a857e;
  --font-mono: "IBM Plex Mono", monospace;
  --tr: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --topbar-h: 52px;
}

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 200;
}

.topbar__brand {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.topbar__back {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color var(--tr);
}
.topbar__back:hover {
  color: var(--accent);
}

/* ── Dot nav ─────────────────────────────────────────────── */
.dot-nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: var(--topbar-h); /* sits inside the topbar row */
  display: flex;
  align-items: center;
  gap: 28px;
  z-index: 300; /* above topbar */
}

/* Each item is a stacked dot + label */
.dot-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  position: relative;
}

/*
 * The anchor fills a large invisible hit area so the link
 * always registers regardless of how small the visible dot gets.
 * The visible dot is a ::before pseudo-element that animates.
 */
.dot-nav__dot {
  /* Large invisible hitbox */
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  text-decoration: none;
  cursor: pointer;
  /* No background, no border — purely a click target */
}

/* Visible dot drawn as ::before so it can scale independently */
.dot-nav__dot::before {
  content: "";
  display: block;
  width: 20px;
  height: 20px;

  border-radius: 50%;
  background: var(--border);
  border: 1px solid var(--text-muted);
  transition:
    background var(--tr),
    border-color var(--tr),
    transform var(--tr);
  /* scale does NOT affect the anchor's clickable area */
}

.dot-nav__dot:hover::before {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.5);
}

/* Persistent label — always visible, no opacity toggle */
.dot-nav__label {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  pointer-events: none;
  transition: color var(--tr);
  line-height: 2;
}

.dot-nav__item:hover .dot-nav__label {
  color: var(--accent);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet & Mobile
   ══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .topbar {
    padding: 0 1rem;
  }

  /* Pin dot nav to the right edge — no more overlap with logo */
  .dot-nav {
    left: auto;
    right: 1rem;
    transform: none;
    gap: 20px;
  }

  /* Bigger dots */
  .dot-nav__dot {
    width: 28px;
    height: 28px;
  }

  .dot-nav__dot::before {
    width: 22px;
    height: 22px;
    border-width: 2px;
  }

  /* Labels always visible and legible */
  .dot-nav__label {
    display: block;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
  }
}

@media (max-width: 480px) {
  .topbar {
    padding: 0 0.75rem;
  }

  .dot-nav {
    right: 0.75rem;
    gap: 16px;
  }

  .dot-nav__dot::before {
    width: 20px;
    height: 20px;
  }

  .dot-nav__label {
    font-size: 0.46rem;
  }
}