/* A small, deliberate interaction gives the setup story its own rhythm. */
.pairing-story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 86px); align-items: center; }
.pairing-story > * { min-width: 0; }
.setup-steps { list-style: none; margin: 0; padding: 0; }
.setup-steps li { display: grid; grid-template-columns: 34px 1fr; gap: 15px; padding: 25px 0; border-top: 1px solid var(--line); }
.setup-steps li:last-child { padding-bottom: 0; }
.setup-number { font-size: 13px; color: var(--quiet); padding-top: 5px; transition: color .25s; }
.setup-steps h3 { font-size: 22px; line-height: 1.35; font-weight: 400; letter-spacing: -.025em; }
.setup-steps p { color: var(--muted); font-size: 15px; line-height: 1.7; margin-top: 9px; }
.setup-steps li[aria-current="step"] .setup-number { color: var(--peach); }
.pairing-demo { --muted: #526352; --quiet: #5c6b5d; position: relative; background: radial-gradient(ellipse at 50% 27%, #edb89a24, transparent 70%), var(--raised); border: 1px solid var(--line); border-radius: 26px; padding: 24px 28px 20px; }
.pairing-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12px; line-height: 1.4; color: var(--muted); }
.pairing-top > p { color: var(--cream); }
.pairing-top > span { display: inline-flex; align-items: center; gap: 6px; color: var(--sage); }
.pairing-top .icon { width: 16px; height: 16px; }
.pairing-diagram { display: flex; justify-content: center; align-items: center; margin: 27px auto 22px; width: 100%; max-width: 328px; }
.pairing-phone { width: 96px; height: auto; aspect-ratio: var(--device-ratio); flex-shrink: 0; position: relative; border: 2px solid #9bae99; border-radius: 21px; background: var(--surface); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 11px; box-shadow: 0 9px 20px #303d3512; }
.pairing-baby { transform: rotate(-5deg); }
.pairing-parent { transform: rotate(5deg); }
.pairing-phone-speaker { position: absolute; width: 21px; height: 3px; border-radius: 3px; background: #7a8f7c; top: 9px; left: calc(50% - 10.5px); }
.pairing-phone-role { font-size: 12px; color: var(--muted); line-height: 1.3; }
.pairing-role-icon, .pairing-check { width: 29px; height: 29px; color: var(--sage); }
.pairing-parent .pairing-role-icon { color: var(--peach); }
.pairing-phone-caption { color: var(--quiet); font-size: 10px; line-height: 1.4; text-align: center; }
.pairing-link { display: flex; align-items: center; justify-content: center; gap: 6px; flex: 1; padding-inline: 6px; color: var(--sage); min-width: 52px; }
.pairing-link > span { flex: 1; min-width: 5px; height: 1px; background: #7a8f7c; opacity: .55; transition: opacity .3s; }
.pairing-link .icon { width: 21px; height: 21px; }
.pairing-code { font-size: 18px; line-height: 29px; letter-spacing: .055em; color: var(--peach); font-variant-numeric: tabular-nums; }
.pairing-code, .pairing-check, .pairing-linked { display: none; }
.pairing-demo[data-stage="compare"] .pairing-code { display: inline-block; }
.pairing-demo[data-stage="compare"] .pairing-role-icon,
.pairing-demo[data-stage="paired"] .pairing-role-icon,
.pairing-demo[data-stage="paired"] .pairing-wifi { display: none; }
.pairing-demo[data-stage="paired"] .pairing-check,
.pairing-demo[data-stage="paired"] .pairing-linked { display: inline-block; }
.pairing-demo[data-stage="compare"] .pairing-phone { border-color: var(--peach); transform: rotate(0); }
.pairing-demo[data-stage="paired"] .pairing-phone { border-color: var(--sage); transform: rotate(0); }
.pairing-demo[data-stage="paired"] .pairing-link > span { opacity: 1; background: var(--sage); }
.pairing-message { min-height: 115px; text-align: center; }
.pairing-title { font-size: 21px; line-height: 1.3; font-weight: 400; letter-spacing: -.025em; }
.pairing-description { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 8px auto 0; max-width: 365px; }
.pairing-next { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 11px 18px; min-height: 46px; margin-top: 16px; background: var(--sage); color: #fffdfa; border: 1px solid var(--sage); border-radius: 30px; font-size: 14px; line-height: 1.5; transition: background .2s; }
.pairing-next:hover { background: #34513f; }
.pairing-next:active { background: #2e4939; }
.pairing-next:focus-visible { outline: 3px solid var(--peach); outline-offset: 4px; }
.pairing-next .icon { width: 18px; height: 18px; }
.pairing-demo[data-stage="paired"] .pairing-next { color: var(--sage); background: transparent; border-color: var(--sage); }
.pairing-demo[data-stage="paired"] .pairing-next:hover { background: var(--sage-soft); }
.pairing-demo[data-stage="paired"] .pairing-next:active { background: #cddcc9; }
.pairing-disclaimer { text-align: center; font-size: 11px; line-height: 1.5; color: var(--quiet); margin-top: 12px; }

/* The page motion control owns playback; the demo owns only its visual response. */
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active .pairing-phone {
  transition: border-color .45s ease, transform .5s cubic-bezier(.22, .75, .3, 1);
}
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active .pairing-link > span { position: relative; }
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active .pairing-link > span::after {
  content: "";
  position: absolute;
  inset: -1px 0;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--sage), transparent) no-repeat -16px 50% / 16px 100%;
  animation: pairing-signal 2.8s ease-in-out infinite;
}
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active .pairing-link > span:last-child::after { animation-delay: .45s; }
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active .pairing-wifi { animation: pairing-wifi-breathe 2.8s ease-in-out infinite; }
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="compare"] .pairing-code {
  animation: pairing-code-arrive .5s cubic-bezier(.2, .75, .25, 1) both;
}
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="compare"] .pairing-parent .pairing-code { animation-delay: .09s; }
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="paired"] .pairing-check,
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="paired"] .pairing-linked {
  animation: pairing-check-pop .55s cubic-bezier(.2, .7, .3, 1) both;
}
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="paired"] .pairing-parent .pairing-check { animation-delay: .08s; }
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="paired"] .pairing-linked { animation-delay: .12s; }
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="compare"] .pairing-phone {
  animation: pairing-phone-meet .55s ease-out both;
}
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="paired"] .pairing-phone {
  animation: pairing-phone-settle .6s ease-out both;
}
.motion-enabled[data-motion="playing"] .pairing-demo.motion-active[data-stage="paired"] .pairing-parent { animation-delay: .06s; }
@keyframes pairing-signal {
  0%, 12% { background-position: -16px 50%; opacity: 0; }
  22% { opacity: .95; }
  67% { opacity: .95; }
  80%, 100% { background-position: calc(100% + 16px) 50%; opacity: 0; }
}
@keyframes pairing-wifi-breathe {
  0%, 100% { transform: scale(.94); opacity: .65; }
  45% { transform: scale(1.07); opacity: 1; }
}
@keyframes pairing-code-arrive {
  from { opacity: .25; transform: translateY(6px) scale(.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes pairing-check-pop {
  0% { opacity: .2; transform: scale(.65); }
  65% { opacity: 1; transform: scale(1.13); }
  100% { opacity: 1; transform: scale(1); }
}
/* Individual translate leaves each phone's existing rotation untouched. */
@keyframes pairing-phone-meet {
  0% { translate: 0 5px; }
  65% { translate: 0 -1px; }
  100% { translate: 0 0; }
}
@keyframes pairing-phone-settle {
  0% { translate: 0 0; }
  40% { translate: 0 -4px; }
  100% { translate: 0 0; }
}
@media (max-width: 900px) {
  .pairing-story { gap: 30px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .setup-steps li { grid-template-columns: 27px 1fr; gap: 10px; padding-block: 20px; }
  .setup-steps h3 { font-size: 20px; }
  .setup-steps p { font-size: 15px; }
  .pairing-demo { padding: 21px 20px 18px; }
  .pairing-phone { width: 88px; }
  .pairing-code { font-size: 15px; }
  .pairing-title { font-size: 19px; }
  .pairing-message { min-height: 149px; }
}
@media (max-width: 700px) {
  .pairing-story { grid-template-columns: 1fr; gap: 27px; }
  .setup-steps li { grid-template-columns: 29px 1fr; gap: 12px; padding-block: 17px; }
  .setup-steps h3 { font-size: 20px; }
  .setup-steps p { font-size: 15px; margin-top: 6px; line-height: 1.6; }
  .pairing-demo { width: 100%; max-width: 470px; margin-inline: auto; padding: 20px; border-radius: 22px; }
  .pairing-diagram { max-width: 280px; margin-block: 20px; }
  .pairing-phone { width: 92px; gap: 9px; border-radius: 18px; }
  .pairing-code { font-size: 16px; }
  .pairing-message { min-height: 126px; }
  .pairing-title { font-size: 20px; }
  .pairing-next { margin-top: 12px; }
}
@media (max-width: 390px) {
  .pairing-phone { width: 82px; }
  .pairing-link { min-width: 40px; gap: 4px; padding-inline: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .pairing-demo *, .pairing-demo *::after, .setup-number { animation: none !important; transition: none !important; }
}