/* Demonstrações de produto: as mesmas fontes e tintas da landing. */
.hero-grid { align-items: center; }
.demo { margin: 0; min-width: 0; width: 100%; max-width: 30rem; justify-self: center; }
.demo-label { color: var(--tinta); font-size: .82rem; font-weight: 700; line-height: 1.4; padding: .65rem 0; border-top: 2px solid var(--tinta); }
.demo-device { border: 1px solid var(--rule); border-radius: 1.3rem; background: var(--paper-2); padding: 1rem 1.2rem 1.15rem; }
.demo-topline { display: flex; justify-content: space-between; gap: .8rem; color: var(--ink-3); font-size: .75rem; margin-bottom: 1rem; }
.demo-topline > :last-child { letter-spacing: .15em; }
.demo-slides { display: grid; }
.demo-slide { grid-area: 1 / 1; display: grid; grid-template-rows: 1fr auto; gap: 1rem; min-width: 0; visibility: hidden; opacity: 0; }
.demo-slide.is-current { visibility: visible; opacity: 1; }
.demo-scene { min-height: 14.5rem; display: flex; flex-direction: column; justify-content: center; align-items: stretch; }
.demo-mini-label { display: block; font-size: .8rem; font-weight: 600; color: var(--ink-2); margin-bottom: .55rem; }
.demo-options { display: grid; border-top: 1px solid var(--rule); }
.demo-options > span { display: flex; justify-content: space-between; gap: .6rem; padding: .8rem .7rem; font-size: .95rem; border-bottom: 1px solid var(--rule); line-height: 1.3; }
.demo-selected { color: var(--tinta); background: var(--tinta-soft); font-weight: 650; }
.demo-note { margin-top: 1rem; color: var(--ink-2); font-size: .85rem; line-height: 1.4; }
.demo-studio { font-family: var(--display); font-size: clamp(1.15rem, 2.5vw, 1.5rem); border-bottom: 1.5px solid var(--tinta); padding-bottom: .5rem; line-height: 1.35; }
.demo-check { margin-top: 1.3rem; font-size: .9rem; color: var(--ink-2); }
.demo-fake-button { display: flex; justify-content: space-between; padding: .6rem .9rem; margin-top: 1.1rem; border-radius: 3px; background: var(--tinta); color: var(--tinta-ink); font-weight: 650; font-size: .9rem; }
.demo-caption { font-family: var(--display); font-size: 1.3rem; line-height: 1.25; padding-top: .85rem; border-top: 1px solid var(--rule); min-height: 3.9rem; text-wrap: balance; }
.demo-paper { color: var(--ink); background: var(--paper); border: 1px solid var(--rule); padding: 1rem; box-shadow: 3px 4px 0 var(--paper-3); transform: rotate(-1.5deg); margin: .15rem .2rem .7rem; }
.demo-paper-studio { display: block; font-family: var(--display); font-size: 1.2rem; padding-bottom: .45rem; border-bottom: 2px solid var(--ink); }
.demo-paper-title { display: block; font-size: .72rem; margin: .55rem 0; color: var(--ink-2); }
.demo-paper-title b { display: block; color: var(--ink); font-size: .85rem; }
.demo-paper-line { padding-bottom: .5rem; border-bottom: 1px solid var(--rule); font-size: .7rem; color: var(--ink-3); }
.demo-question { display: flex; align-items: center; gap: .5rem; justify-content: space-between; margin-top: .5rem; font-size: .73rem; line-height: 1.3; }
.demo-question span { flex: none; }
.demo-paper-footer { font-size: .68rem; margin-top: .8rem; border-top: 1px solid var(--rule); padding-top: .3rem; color: var(--ink-2); }
.demo-download { display: flex; align-items: center; gap: .7rem; margin-top: .5rem; font-size: .78rem; line-height: 1.3; }
.demo-download b { flex: none; color: var(--tinta); border: 1px solid var(--tinta); padding: .35rem; }
.demo-download span { color: var(--ink-2); }
.demo-controls { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .15rem .5rem; padding-top: .55rem; }
.demo-steps { display: flex; flex: 1; gap: .3rem; }
.demo-controls button { display: flex; align-items: center; justify-content: center; gap: .3rem; min-height: 44px; border: 0; padding: .4rem .3rem; background: none; color: var(--ink-2); font: inherit; font-size: .77rem; cursor: pointer; border-bottom: 2px solid transparent; }
.demo-steps button { flex: 1; }
.demo-steps button span { font-family: var(--display); font-style: italic; color: var(--ink-3); }
.demo-steps button[aria-pressed="true"] { color: var(--tinta); border-bottom-color: var(--tinta); font-weight: 700; }
.demo-controls .demo-toggle { min-width: 5.1rem; color: var(--tinta); text-decoration: underline; text-underline-offset: .2em; }
.demo-controls button:disabled { cursor: default; opacity: .6; }
.demo-summary { font-size: .82rem; line-height: 1.45; color: var(--ink-2); margin-top: .65rem; }
.plano-intro { display: grid; gap: 2rem; align-items: center; }
.plano-texto { min-width: 0; }
.plano-aviso { font-size: .95rem; color: var(--ink-2); margin-top: 1rem; max-width: 36rem; }
.demo-pro .demo-device { background: var(--paper); }
.demo-client { color: var(--ink-2); font-size: .85rem; margin-top: .7rem; }
.demo-answer { margin-top: 1.4rem; font-size: 1rem; }
.demo-answer > div { display: flex; gap: .7rem; margin-top: .7rem; }
.demo-answer > div > span { padding: .35rem 1rem; border: 1px solid var(--rule); }
.demo-signature { width: 100%; height: 5rem; margin-top: 1.5rem; border-bottom: 1px solid var(--rule); }
.demo-signature path { fill: none; stroke: var(--tinta); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.demo-stamp { padding: .65rem; margin-top: 1rem; border: 1px solid var(--ok); color: var(--ok); font-size: .8rem; text-align: center; transform: rotate(-2deg); }
.demo-history { display: flex; gap: .7rem; align-items: center; border-block: 1px solid var(--rule); padding: 1.1rem 0; margin-top: 1.5rem; }
.demo-avatar { display: grid; place-items: center; flex: none; width: 2rem; height: 2rem; border-radius: 50%; background: var(--tinta-soft); color: var(--tinta); font-family: var(--display); }
.demo-history > div { display: grid; gap: .2rem; flex: 1; }
.demo-history b { font-size: .95rem; }
.demo-history > div > span { font-size: .8rem; color: var(--ink-3); }
.demo-history > :last-child { color: var(--ok); }
@media (min-width: 60rem) {
  .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .plano-intro { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; }
}
@media (max-width: 30rem) {
  .demo-device { padding: .85rem 1rem 1rem; }
  .demo-controls { flex-wrap: wrap; }
  .demo-steps { flex-basis: 100%; }
  .demo-controls .demo-toggle { margin-left: auto; }
  .demo-scene { min-height: 13rem; }
  .demo-caption { font-size: 1.2rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .demo[data-playing="true"] .demo-slide.is-current .demo-scene { animation: demo-entra .45s var(--ease) both; }
  .demo[data-playing="true"] .demo-slide.is-current .demo-signature path { animation: demo-assina 1.6s ease-out both; }
}
@keyframes demo-entra { from { transform: translateY(8px); } to { transform: translateY(0); } }
@keyframes demo-assina { from { stroke-dasharray: 1; stroke-dashoffset: 1; } to { stroke-dasharray: 1; stroke-dashoffset: 0; } }