/* ===================================================
   COTIZAR — Page styles
   Prefijo: qz- (quiz / cotizar)
   Ambas secciones (Hero y Asistente) usan tokens
   claros propios, independientes del tema oscuro
   general del sitio.
   =================================================== */

.nav-link--active {
  color: var(--color-white) !important;
  position: relative;
}
.nav-link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-red);
}
.nav-mobile-link--active { color: var(--color-white); }

/* ─── Tokens claros compartidos ──────────────────── */
.qz-hero, .qz-assistant {
  --qz-bg:         oklch(0.99 0.002 256);
  --qz-surface:    oklch(1.000 0.000 0);
  --qz-surface-2:  oklch(0.97 0.003 256);
  --qz-border:     oklch(0.89 0.004 256);
  --qz-border-sub: oklch(0.93 0.003 256);
  --qz-ink:        oklch(0.14 0.006 256);
  --qz-muted:      oklch(0.44 0.006 256);
  --qz-subtle:     oklch(0.62 0.006 256);
}

/* Cuando el asistente está abierto, el Hero se retira por
   completo del render (no solo se oculta visualmente) — así
   es imposible que aparezca ni siquiera un frame detrás de
   las transiciones del asistente. */
body.qz-assistant-open .qz-hero {
  display: none;
}


/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
.qz-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--qz-bg);
  /* padding-top reserva exactamente la altura del navbar fijo; el resto
     del espacio lo reparte el centrado vertical (align-items:center) a
     partes iguales arriba y abajo de la tarjeta, para que quede
     realmente centrada dentro del área visible bajo el navbar. */
  --qz-nav-h: 100px;
  padding-top: var(--qz-nav-h);
  padding-bottom: 0;
}

@media (max-width: 900px) {
  .qz-hero { --qz-nav-h: 76px; }
}

.qz-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 55% 45% at 50% 0%, var(--color-red-dim) 0%, transparent 62%),
    radial-gradient(ellipse 45% 35% at 90% 100%, oklch(0.48 0.215 22 / 0.06) 0%, transparent 60%);
}

.qz-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  padding-inline: var(--container-pad);
  margin-inline: auto;
}

/* ─── Tarjeta "iniciar conversación" ───────────────
   Protagonista única de la pantalla: ocupa la mayor
   parte del espacio visible, dejando un margen cómodo
   arriba y abajo (ver min-height/padding de .qz-hero). */
.qz-start-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  background: var(--qz-surface);
  border: 1px solid var(--qz-border);
  border-radius: 28px;
  padding: clamp(var(--space-10), 6vw, var(--space-20)) clamp(var(--space-8), 6vw, var(--space-16));
  box-shadow:
    0 1px 2px oklch(0.1 0.01 256 / 0.04),
    0 8px 24px oklch(0.1 0.01 256 / 0.05),
    0 32px 72px oklch(0.1 0.01 256 / 0.09);
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition:
    border-color var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out),
    transform var(--dur-normal) var(--ease-out);
}

.qz-start-card:hover {
  border-color: oklch(0.48 0.215 22 / 0.3);
  box-shadow:
    0 1px 2px oklch(0.1 0.01 256 / 0.04),
    0 8px 24px oklch(0.1 0.01 256 / 0.05),
    0 36px 84px oklch(0.1 0.01 256 / 0.12);
}

.qz-start-icon {
  flex-shrink: 0;
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: var(--color-red-dim);
  color: var(--color-red);
  margin-bottom: var(--space-2);
}

.qz-start-icon svg { width: 32px; height: 32px; }

.qz-start-title {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: var(--tracking-tight);
  color: var(--qz-ink);
  line-height: var(--leading-snug);
  text-wrap: balance;
}

.qz-start-desc {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--qz-muted);
  max-width: 42ch;
  text-wrap: pretty;
  margin-bottom: var(--space-4);
}

.qz-start-btn svg { transition: transform var(--dur-normal) var(--ease-out); }
.qz-start-btn:hover svg { transform: translateX(4px); }


/* ═══════════════════════════════════════════════════
   ASISTENTE — shell de pantalla completa
═══════════════════════════════════════════════════ */
.qz-assistant {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  flex-direction: column;
  background: var(--qz-bg);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
}

body.qz-assistant-open .qz-assistant {
  display: flex;
}

.qz-assistant.is-visible {
  opacity: 1;
}

/* ─── Barra superior ──────────────────────────────── */
.qz-topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  padding: clamp(var(--space-5), 3vw, var(--space-8)) clamp(var(--space-5), 4vw, var(--space-10));
  flex-shrink: 0;
}

.qz-exit {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--qz-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.qz-exit:hover {
  color: var(--qz-ink);
  background: var(--qz-surface-2);
}

.qz-topbar-spacer { justify-self: end; width: 1px; }

/* ─── Progreso: camión ─── */
.qz-progress {
  width: min(280px, 38vw);
}

.qz-progress-track {
  position: relative;
  height: 2px;
  background: var(--qz-border);
  border-radius: var(--radius-full);
}

.qz-progress-fill {
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--color-red);
  border-radius: var(--radius-full);
  transition: transform var(--dur-slow) var(--ease-quint);
}

.qz-truck {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 54px;
  transform: translate(-8px, -58%);
  transition: left var(--dur-slow) var(--ease-quint);
}

.qz-truck-img {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
}

/* ─── Escenario central: tarjeta sin scroll ──────── */
.qz-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(var(--space-4), 4vw, var(--space-10)) clamp(var(--space-6), 4vh, var(--space-12));
}

.qz-card {
  position: relative;
  width: 100%;
  max-width: 620px;
  height: min(500px, 100%);
  background: var(--qz-surface);
  border: 1px solid var(--qz-border-sub);
  border-radius: 24px;
  box-shadow:
    0 1px 2px oklch(0.1 0.01 256 / 0.04),
    0 24px 60px oklch(0.1 0.01 256 / 0.08);
  overflow: hidden;
}

.qz-card-body {
  position: relative;
  height: 100%;
}

/* ═══════════════════════════════════════════════════
   PASOS — crossfade absoluto, sin colapso de layout
═══════════════════════════════════════════════════ */
.qz-step {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: var(--space-6);
  padding: clamp(var(--space-6), 5vw, var(--space-10));
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 460ms var(--ease-quint), transform 460ms var(--ease-quint);
  overflow-y: auto;
}

/* El botón de acción de cada paso siempre se ancla hacia
   abajo con margin-top:auto — así el contenido crece desde
   arriba (como una conversación) sin depender de un centrado
   vertical que recortaría contenido alto en overflow-y:auto. */
.qz-next,
.qz-send-btn {
  margin-top: auto;
}

.qz-step.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  z-index: 2;
}

.qz-step.is-prev {
  opacity: 0;
  transform: translateY(-10px);
  z-index: 1;
}

/* ─── Burbuja de pregunta (estilo chat) ──────────── */
.qz-msg {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.qz-msg-avatar {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-red);
  color: var(--color-on-red);
}

.qz-msg-avatar svg { width: 18px; height: 18px; }

.qz-msg-bubble {
  flex: 1;
  min-width: 0;
  background: var(--qz-surface-2);
  border-radius: 4px 16px 16px 16px;
  padding: var(--space-4) var(--space-5);
}

.qz-step-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: var(--space-1);
}

.qz-step-title {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  letter-spacing: var(--tracking-tight);
  color: var(--qz-ink);
  line-height: var(--leading-snug);
  text-transform: none;
  text-wrap: balance;
}

/* ─── Tarjetas grandes (paso servicio) ───────────────
   3 servicios reales de la empresa: las dos primeras
   arriba a partes iguales, "Transporte de carga" ocupa
   el ancho completo debajo — pensado desde el inicio
   para tres opciones, sin huecos ni filas incompletas. */
.qz-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.qz-cards .qz-card:nth-child(3) {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.qz-cards .qz-card {
  position: static;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-4);
  background: var(--qz-surface);
  border: 1px solid var(--qz-border-sub);
  border-radius: 14px;
  box-shadow: none;
  overflow: visible;
  text-align: left;
  color: var(--qz-ink);
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.qz-cards .qz-card:hover {
  border-color: var(--color-red);
  background: var(--color-red-dim);
  transform: translateY(-2px);
}

.qz-cards .qz-card.is-selected {
  border-color: var(--color-red);
  background: var(--color-red-dim);
}

.qz-card-icon {
  width: 24px;
  height: 24px;
  color: var(--color-red);
  flex-shrink: 0;
}

.qz-cards .qz-card span {
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
}

/* ─── Calendario (paso fecha) ─────────────────────────
   Selector visual de un solo día — reemplaza el input
   nativo. Ancho fijo y compacto para caber sin scroll
   dentro de la tarjeta junto al resto del paso. */
.qz-calendar {
  width: 100%;
  max-width: 300px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.qz-calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.qz-calendar-month {
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--qz-ink);
}

.qz-calendar-nav {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--qz-muted);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.qz-calendar-nav svg { width: 16px; height: 16px; }

.qz-calendar-nav:hover:not(:disabled) {
  background: var(--qz-surface-2);
  color: var(--qz-ink);
}

.qz-calendar-nav:disabled {
  opacity: 0.3;
  cursor: default;
}

.qz-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  color: var(--qz-subtle);
}

.qz-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.qz-cal-day {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--qz-ink);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.qz-cal-day:hover:not(.is-disabled):not(.is-empty) {
  background: var(--qz-surface-2);
}

.qz-cal-day.is-today {
  box-shadow: inset 0 0 0 1.5px var(--color-red);
  color: var(--color-red);
}

.qz-cal-day.is-selected {
  background: var(--color-red);
  color: var(--color-on-red);
  box-shadow: none;
}

.qz-cal-day.is-disabled {
  color: var(--qz-subtle);
  opacity: 0.4;
  pointer-events: none;
}

.qz-cal-day.is-empty {
  visibility: hidden;
  pointer-events: none;
}

/* ─── Campos de texto/select ─── */
.qz-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.qz-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.qz-field-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--qz-muted);
}

.qz-field-label em { color: var(--qz-subtle); font-style: normal; }

.qz-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--qz-ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--qz-border);
  padding-block: var(--space-2);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.qz-input::placeholder { color: var(--qz-subtle); }

.qz-input:focus {
  outline: none;
  border-color: var(--color-red);
}

.qz-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 8l5 5 5-5' stroke='%2362697A' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 2px center;
  padding-right: var(--space-6);
}

.qz-select option { background: var(--qz-surface); color: var(--qz-ink); }

.qz-field-error {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-red-hover);
}

/* ─── Checkboxes (paso 5) ─── */
.qz-checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.qz-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--qz-surface);
  border: 1px solid var(--qz-border-sub);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.qz-check:hover { border-color: var(--qz-subtle); }

.qz-check input {
  appearance: none;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border: 1px solid var(--qz-border);
  border-radius: 4px;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.qz-check input:checked {
  background: var(--color-red);
  border-color: var(--color-red);
}

.qz-check input:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 0px;
  width: 5px;
  height: 8px;
  border: solid var(--color-on-red);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.qz-check span {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--qz-ink);
}

.qz-check.is-checked {
  border-color: var(--color-red);
  background: var(--color-red-dim);
}

/* ─── Botón continuar / enviar ─── */
.qz-next,
.qz-send-btn {
  align-self: flex-start;
}

/* ═══════════════════════════════════════════════════
   RESUMEN — cuadrícula compacta tipo recibo
═══════════════════════════════════════════════════ */
.qz-summary-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.qz-summary-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--qz-border-sub);
}

.qz-summary-row dt {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--qz-subtle);
}

.qz-summary-row dd {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--qz-ink);
  text-wrap: pretty;
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .qz-cards { grid-template-columns: 1fr; }
  .qz-cards .qz-card:nth-child(3) {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
  }
  .qz-checks { grid-template-columns: 1fr; }
  .qz-summary-list { grid-template-columns: 1fr; }
  .qz-topbar-spacer { display: none; }
  .qz-topbar { grid-template-columns: auto 1fr; }
  .qz-progress { justify-self: end; }
}