/* ─── Bubbles hero ──────────────────────────────────────────────── */
.wa-bubbles-hero {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  /* static stand-in for the raymarched scene (no WebGL / software renderer) */
  background:
    radial-gradient(40% 40% at 70% 40%, rgba(214, 122, 86, 0.18) 0%, rgba(214, 122, 86, 0) 70%),
    radial-gradient(35% 35% at 78% 62%, rgba(180, 88, 58, 0.12) 0%, rgba(180, 88, 58, 0) 70%),
    var(--wa-bg);
}
.wa-bubbles-hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.wa-bubbles-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: clamp(60px, 8vw, 120px);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: end;
}
@media (max-width: 880px) { .wa-bubbles-hero__inner { grid-template-columns: 1fr; } }
.wa-bubbles-hero__pill { margin-bottom: 28px; }
.wa-bubbles-hero__title {
  font-family: var(--wa-font-display);
  font-size: clamp(56px, 8vw, 124px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--wa-ink);
  margin: 0;
  max-width: 14ch;
}
.wa-bubbles-hero__title em { font-style: italic; color: var(--wa-terra-deep); }
.wa-bubbles-hero__copy {
  background: rgba(250, 248, 245, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--wa-line);
  border-radius: var(--wa-radius-md);
  padding: clamp(20px, 2vw, 28px);
  font-size: 15px;
  line-height: 1.55;
  color: var(--wa-ink-soft);
  max-width: 480px;
}
.wa-bubbles-hero__hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-family: var(--wa-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wa-muted);
}
.wa-bubbles-hero__hint::before { content: "↗"; color: var(--wa-terra-deep); }
/* the interaction hint only makes sense while the WebGL scene is actually running */
.wa-bubbles-hero:not(:has(canvas.is-live)) .wa-bubbles-hero__hint { display: none; }

/* ─── Timeline (§02) ────────────────────────────────────────────── */
.wa-timeline { position: relative; padding-left: 32px; }
.wa-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--wa-line);
}
.wa-timeline__row { position: relative; padding-block: clamp(24px, 3vw, 36px); padding-left: 24px; }
.wa-timeline__row::before {
  content: "";
  position: absolute;
  left: -32px;
  top: clamp(28px, 3vw, 40px);
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--wa-bg);
  border: 2px solid var(--wa-terra-deep);
  box-shadow: 0 0 0 4px var(--wa-bg);
}
.wa-timeline__row + .wa-timeline__row { border-top: 1px solid var(--wa-line); }
.wa-timeline__year {
  font-family: var(--wa-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--wa-terra-deep);
  margin-bottom: 8px;
}
.wa-timeline__title {
  font-family: var(--wa-font-display);
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--wa-ink);
  margin: 0 0 8px;
}
.wa-timeline__desc { color: var(--wa-ink-soft); font-size: 15px; line-height: 1.55; margin: 0; max-width: 60ch; }