/* Vista Invitación a opinar (#/opina) — mensaje animado de la campaña
   "el experto eres tú". Hero con escena SVG (experto ⚽ ↔ robot que escucha) +
   tarjeta de feedback. Con prefers-reduced-motion todo queda quieto y visible. */

.opn-view {
  max-width: 680px;
  margin: 0 auto;
  padding: 16px 16px 56px;
  display: grid;
  gap: 16px;
}

/* --- Hero ------------------------------------------------------------------ */
.opn-hero {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: 24px 20px 26px;
  text-align: center;
}
.opn-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brand-2, #7C3AED);
}
.opn-eyebrow svg { width: 15px; height: 15px; }
.opn-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 7vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.opn-title__ball {
  -webkit-text-fill-color: initial;
  display: inline-block;
  animation: opn-ball 2.6s var(--ease) infinite;
}
@keyframes opn-ball {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  30%      { transform: translateY(-5px) rotate(-12deg); }
  60%      { transform: translateY(0) rotate(8deg); }
}

/* --- Escena SVG ------------------------------------------------------------ */
.opn-scene {
  display: block;
  width: 100%;
  max-width: 520px;
  margin: 0 auto 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-sm);
}

/* Burbuja del experto: respira suavemente. */
.opn-bubble { transform-box: view-box; transform-origin: 130px 110px; animation: opn-bob 3.4s ease-in-out infinite; }
@keyframes opn-bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}

/* "Tecleando": tres puntos que suben en secuencia. */
.opn-dot { transform-box: fill-box; transform-origin: center; animation: opn-dot 1.4s ease-in-out infinite; }
.opn-dot.d2 { animation-delay: 0.18s; }
.opn-dot.d3 { animation-delay: 0.36s; }
@keyframes opn-dot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.55; }
  30%           { transform: translateY(-7px); opacity: 1; }
}

/* Ondas de sonido del experto hacia el robot: aparecen escalonadas. */
.opn-wave { opacity: 0; animation: opn-wave 2.4s ease-out infinite; }
.opn-wave.w2 { animation-delay: 0.35s; }
.opn-wave.w3 { animation-delay: 0.7s; }
@keyframes opn-wave {
  0%   { opacity: 0; transform: translateX(-6px) scaleY(0.7); }
  35%  { opacity: 0.9; }
  70%  { opacity: 0; transform: translateX(10px) scaleY(1.05); }
  100% { opacity: 0; }
}
.opn-wave { transform-box: view-box; transform-origin: 286px 120px; }

/* Robot que escucha: antena que pulsa + parpadeo de ojos. */
.opn-antenna-led {
  transform-box: fill-box; transform-origin: center;
  animation: opn-led 1.6s ease-in-out infinite;
}
@keyframes opn-led {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.65; }
}
.opn-eye { transform-box: fill-box; transform-origin: center; animation: opn-blink 4.2s steps(1) infinite; }
.opn-eye.e2 { animation-delay: 0.04s; }
@keyframes opn-blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95%           { transform: scaleY(0.12); }
}

/* Chispas. */
.opn-spark { transform-box: fill-box; transform-origin: center; animation: opn-spark 3s ease-in-out infinite; opacity: 0.6; }
.opn-spark.s2 { animation-delay: 0.6s; }
.opn-spark.s3 { animation-delay: 1.2s; }
@keyframes opn-spark {
  0%, 100% { transform: scale(0.7) rotate(0deg); opacity: 0.25; }
  50%      { transform: scale(1.1) rotate(40deg); opacity: 0.9; }
}

/* --- Textos del hero ------------------------------------------------------- */
.opn-lead {
  margin: 0 auto 10px;
  max-width: 520px;
  font-family: var(--font-display);
  font-size: clamp(17px, 4.6vw, 21px);
  font-weight: 700;
  color: var(--ink);
}
.opn-body, .opn-callout {
  margin: 0 auto;
  max-width: 520px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-2);
}
.opn-body { margin-bottom: 10px; }
.opn-body svg { width: 16px; height: 16px; color: var(--brand-1); vertical-align: -3px; }
.opn-callout {
  font-weight: 600;
  color: var(--ink);
}

/* --- Tarjeta de feedback --------------------------------------------------- */
.opn-card {
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    var(--grad-brand) border-box;
  box-shadow: var(--shadow-md);
  padding: 20px 18px 18px;
  display: grid;
  gap: 12px;
}
.opn-card__title {
  margin: 0;
  font: 700 15px/1.3 var(--font-display);
  color: var(--ink);
}
.opn-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.opn-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  font: 600 13px/1 var(--font-ui);
  color: var(--ink-2);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.opn-cat svg { width: 15px; height: 15px; }
.opn-cat:active { transform: scale(0.96); }
.opn-cat.is-active {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
}
.opn-cat.is-active svg { color: #fff; }

.opn-text {
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
  min-height: 96px;
  padding: 13px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline);
  background: var(--surface-soft);
  color: var(--ink);
  font: 400 15px/1.5 var(--font-ui);
}
.opn-text:focus {
  outline: none;
  border-color: var(--brand-2, #7C3AED);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}
.opn-err {
  margin: 0;
  min-height: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--loss, #DC2626);
}
.opn-err:empty { display: none; }

.opn-send {
  appearance: none;
  border: 0;
  cursor: pointer;
  width: 100%;
  min-height: 52px;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-md);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), opacity var(--t-fast);
}
.opn-send svg { width: 18px; height: 18px; vertical-align: -4px; }
.opn-send:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.opn-send:active { transform: translateY(0); }
.opn-send:disabled { opacity: 0.55; cursor: default; transform: none; box-shadow: var(--shadow-sm); }

.opn-foot {
  margin: 2px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--ink-3);
}

/* --- Agradecimiento -------------------------------------------------------- */
.opn-card--thanks { padding: 30px 20px; }
.opn-thanks { display: grid; justify-items: center; gap: 10px; text-align: center; }
.opn-thanks__burst {
  display: grid; place-items: center;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--goal, #16A34A);
  color: #fff;
  animation: opn-burst 0.5s var(--ease) both;
}
.opn-thanks__burst svg { width: 36px; height: 36px; }
@keyframes opn-burst {
  0%   { transform: scale(0.3); opacity: 0; }
  55%  { transform: scale(1.12); opacity: 1; }
  100% { transform: scale(1); }
}
.opn-thanks__title { font: 800 22px/1.2 var(--font-display); color: var(--ink); }
.opn-thanks__body { margin: 0; max-width: 420px; font-size: 14.5px; line-height: 1.6; color: var(--ink-2); }
.opn-thanks__actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 6px; }
.opn-thanks__again, .opn-thanks__back {
  appearance: none; cursor: pointer;
  min-height: 46px; padding: 0 22px;
  border-radius: var(--r-pill);
  font: 700 14.5px/1 var(--font-display);
}
.opn-thanks__again {
  border: 1px solid var(--hairline);
  background: var(--surface-soft);
  color: var(--ink-2);
}
.opn-thanks__back {
  border: 0; color: #fff; background: var(--grad-brand); box-shadow: var(--shadow-sm);
}
.opn-thanks__back svg { width: 16px; height: 16px; vertical-align: -3px; }

/* --- Entradas escalonadas -------------------------------------------------- */
.opn-rise { animation: opn-rise 0.55s var(--ease) var(--d, 0s) both; }
@keyframes opn-rise {
  from { transform: translateY(14px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* --- Reduced motion -------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .opn-title__ball, .opn-bubble, .opn-dot, .opn-wave, .opn-antenna-led,
  .opn-eye, .opn-spark, .opn-rise, .opn-thanks__burst {
    animation: none !important;
  }
  .opn-rise { opacity: 1; transform: none; }
  .opn-wave { opacity: 0.8; }
}

/* ===== Nudge de entrada (#opina-invite) — lo ve cualquiera al abrir ========= */
.opina-invite {
  position: fixed;
  left: 12px; right: 12px; bottom: 130px;
  z-index: 65;
  max-width: 460px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 14px 14px 16px;
  border-radius: var(--r-lg);
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    var(--grad-brand) border-box;
  border: 1.5px solid transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(24px);
  opacity: 0;
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}
.opina-invite.is-in { transform: translateY(0); opacity: 1; }
.opina-invite.is-leaving { transform: translateY(24px); opacity: 0; }
.opina-invite__icon {
  flex: none;
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
}
.opina-invite__icon svg { width: 22px; height: 22px; }
.opina-invite__main { flex: 1; min-width: 0; }
.opina-invite__title {
  display: block;
  font: 800 15px/1.25 var(--font-display);
  color: var(--ink);
}
.opina-invite__body {
  margin: 4px 0 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
}
.opina-invite__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.opina-invite__cta {
  appearance: none; border: 0; cursor: pointer;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  font: 800 13px/1 var(--font-display);
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-sm);
}
.opina-invite__dismiss {
  appearance: none; cursor: pointer;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: var(--surface-soft);
  font: 600 13px/1 var(--font-ui);
  color: var(--ink-3);
}
.opina-invite__close {
  position: absolute;
  top: 8px; right: 10px;
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font-size: 14px; line-height: 1;
  color: var(--ink-3);
  padding: 4px;
}
@media (prefers-reduced-motion: reduce) {
  .opina-invite { transition: opacity 0.2s linear; transform: none; }
  .opina-invite.is-leaving { transform: none; }
}