/* Alteria — 01 Hero */

.alteria-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 88vh;
  overflow: hidden;
  padding-block: 6rem 4rem;
}

@media (min-width: 1024px) {
  .alteria-hero { padding-block: 8rem 4rem; }
}

/* ── Fotografía de fondo ──────────────────────────────────── */
.alteria-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -10;
  pointer-events: none;
}
.alteria-hero__bg img {
  position: absolute;
  inset-block: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% center;
  opacity: .55;
  transform: translateX(2rem);
}
.alteria-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(7, 26, 34, .50),
    rgba(7, 26, 34, .70) 50%,
    rgba(7, 26, 34, .95)
  );
}
.alteria-hero__scrim-bottom {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 8rem;
  background: linear-gradient(to top, var(--alteria-background), transparent);
}

@media (min-width: 1024px) {
  .alteria-hero__bg img {
    width: 82%;
    opacity: .85;
    transform: translateX(5rem);
  }
  .alteria-hero__scrim {
    background: linear-gradient(
      to left,
      rgba(7, 26, 34, .90),
      rgba(7, 26, 34, .80) 50%,
      rgba(7, 26, 34, .45)
    );
  }
}

/* ── Layout ───────────────────────────────────────────────── */
.alteria-hero__inner {
  position: relative;
  display: grid;
  gap: 3rem;
  width: 100%;
}

@media (min-width: 1024px) {
  .alteria-hero__inner {
    grid-template-columns: .9fr 1.1fr;
    align-items: center;
  }
}

.alteria-hero__title {
  font-size: 40px;
  line-height: var(--alteria-lh-tight);
}
.alteria-hero__lead {
  margin-top: 1.25rem;
  max-width: 32rem;
  font-size: var(--alteria-fs-lead);
  line-height: var(--alteria-lh-body);
  color: var(--alteria-muted-foreground);
}
.alteria-hero__actions { margin-top: 2rem; }

@media (min-width: 1024px) {
  .alteria-hero__title { font-size: 60px; }
  .alteria-hero__lead  { font-size: 21px; }
}

/* El asistente solo aparece en escritorio, igual que en la maqueta. */
.alteria-hero__visual { display: none; animation-delay: 250ms; }
@media (min-width: 1024px) { .alteria-hero__visual { display: block; } }

/* ── Asistente de producto ────────────────────────────────── */
.alteria-assistant {
  display: grid;
  gap: .75rem;
  min-height: 560px;
  max-height: 600px;
  transition:
    grid-template-columns .5s cubic-bezier(.22, 1, .36, 1),
    transform .5s cubic-bezier(.22, 1, .36, 1);
  will-change: transform;
}

@media (min-width: 640px) {
  .alteria-assistant[data-state="closed"] {
    grid-template-columns: 1fr;
    transform: translateX(2rem);
  }
  .alteria-assistant[data-state="open"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    transform: translateX(0);
  }
}

/* Ficha de producto */
.alteria-assistant__product {
  height: fit-content;
  padding: 1.25rem;
}
@media (min-width: 640px) {
  .alteria-assistant[data-state="closed"] .alteria-assistant__product {
    width: 100%;
    max-width: 28rem;
    margin-left: auto;
    margin-right: 1.5rem;
  }
}

.alteria-assistant__photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--alteria-border);
  border-radius: var(--alteria-radius-md);
}
.alteria-assistant__name {
  margin-top: 1rem;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.375;
}
.alteria-assistant__meta {
  margin-top: .25rem;
  font-size: var(--alteria-fs-xs);
  color: var(--alteria-muted-foreground);
}
.alteria-assistant__price {
  margin-top: .5rem;
  font-family: var(--alteria-font-display);
  font-size: 24px;
  font-weight: 700;
}

.alteria-assistant__label {
  margin-top: 1.25rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--alteria-muted-foreground);
}

.alteria-assistant__questions {
  display: grid;
  gap: .5rem;
  margin-top: .5rem;
}
.alteria-assistant__q {
  text-align: left;
  border: 1px solid var(--alteria-border);
  border-radius: var(--alteria-radius-md);
  background: var(--alteria-background);
  color: var(--alteria-muted-foreground);
  padding: .5rem .75rem;
  font-size: var(--alteria-fs-sm);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.alteria-assistant__q:hover {
  border-color: var(--alteria-primary-60);
  color: var(--alteria-foreground);
}
.alteria-assistant__q[aria-pressed="true"] {
  border-color: var(--alteria-primary-60);
  background: var(--alteria-primary-10);
  color: var(--alteria-foreground);
}

/* Panel de respuesta */
.alteria-assistant__panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 1.25rem;
  max-height: 600px;
}
.alteria-assistant__panel[hidden] { display: none; }

@keyframes alteria-panel-enter {
  0%   { opacity: 0; transform: translateX(16px) scale(.97); filter: blur(3px); }
  60%  { opacity: 1; filter: blur(0); }
  100% { opacity: 1; transform: translateX(0) scale(1); filter: blur(0); }
}
.alteria-assistant__panel {
  animation: alteria-panel-enter .55s cubic-bezier(.22, 1, .36, 1) both;
  transform-origin: right center;
}

.alteria-assistant__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  flex-shrink: 0;
  border-bottom: 1px solid var(--alteria-border);
  padding-bottom: .75rem;
}
.alteria-assistant__brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-width: 0;
  font-size: var(--alteria-fs-sm);
  font-weight: 600;
}
.alteria-assistant__brand .alteria-icon-box { width: 1.75rem; height: 1.75rem; border-radius: var(--alteria-radius-sm); }
.alteria-assistant__brand .alteria-icon-box svg { width: .875rem; height: .875rem; }

.alteria-assistant__close {
  border: 0;
  background: none;
  color: var(--alteria-muted-foreground);
  cursor: pointer;
  padding: 0;
  transition: color .2s ease;
}
.alteria-assistant__close:hover { color: var(--alteria-foreground); }
.alteria-assistant__close svg { width: 1rem; height: 1rem; }

.alteria-assistant__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-top: 1rem;
}
.alteria-assistant__question { font-size: var(--alteria-fs-sm); font-weight: 500; }
.alteria-assistant__answer {
  margin-top: .75rem;
  font-size: var(--alteria-fs-sm);
  line-height: var(--alteria-lh-body);
  color: var(--alteria-muted-foreground);
}
.alteria-assistant__caret {
  display: inline-block;
  width: 2px;
  height: 1rem;
  margin-left: 2px;
  translate: 0 2px;
  background: var(--alteria-primary);
  animation: alteria-caret 1s steps(2) infinite;
}
@keyframes alteria-caret { 50% { opacity: 0; } }
.alteria-assistant__body.is-done .alteria-assistant__caret { display: none; }

.alteria-assistant__chips {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin-top: 1rem;
  animation: alteria-fade-up .7s cubic-bezier(.22, 1, .36, 1) both;
}
.alteria-assistant__chips[hidden] { display: none; }

.alteria-assistant__next {
  margin-top: 1.5rem;
  animation: alteria-fade-up .7s cubic-bezier(.22, 1, .36, 1) both;
}
.alteria-assistant__next[hidden] { display: none; }
.alteria-assistant__next .alteria-assistant__label { margin-top: 0; }

.alteria-assistant__input {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.25rem;
  border: 1px solid var(--alteria-border);
  border-radius: var(--alteria-radius-xl);
  background: var(--alteria-background);
  padding: .625rem .75rem;
}
.alteria-assistant__input input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-size: var(--alteria-fs-sm);
  color: var(--alteria-foreground);
}
.alteria-assistant__input input::placeholder { color: var(--alteria-muted-foreground); }
.alteria-assistant__input input:focus { outline: none; }
.alteria-assistant__input button {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  border: 0;
  border-radius: var(--alteria-radius-sm);
  background: var(--alteria-primary);
  color: var(--alteria-primary-foreground);
  cursor: pointer;
  transition: background-color .2s ease;
}
.alteria-assistant__input button:hover { background: var(--alteria-primary-hover); }
.alteria-assistant__input button svg { width: .875rem; height: .875rem; }