/* ==========================================================
  COMPONENTS.CSS — Componentes UI Reutilizables
   ----------------------------------------------------------
  Componentes autocontenidos y combinables: botones, cards,
  badges, animaciones de aparición.
  Cada componente es independiente.
   ========================================================== */

/* ========================
  BOTONES
   ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--ff-heading);
  font-size: var(--fs-btn);
  font-weight: var(--fw-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:active {
  transform: scale(0.97);
}

/* Primario */
.btn--primary {
  background-color: var(--clr-primary);
  color: var(--clr-text-inverse);
  box-shadow: 0 4px 15px rgba(var(--clr-primary-rgb), 0.3);
}

.btn--primary:hover {
  background-color: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--clr-primary-rgb), 0.4);
}

/* Secundario */
.btn--secondary {
  background-color: var(--clr-secondary);
  color: var(--clr-text-inverse);
  box-shadow: 0 4px 15px rgba(var(--clr-secondary-rgb), 0.3);
}

.btn--secondary:hover {
  background-color: var(--clr-secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--clr-secondary-rgb), 0.4);
}

/* Contorno / Fantasma */
.btn--outline {
  background-color: transparent;
  color: var(--clr-text-inverse);
  border: 2px solid var(--clr-text-inverse);
}

.btn--outline:hover {
  background-color: var(--clr-text-inverse);
  color: var(--clr-primary);
  transform: translateY(-2px);
}

/* Variante pequeña */
.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--fs-small);
}

/* ========================
  TARJETAS (Productos)
   ======================== */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--clr-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-border);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.card__image-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, var(--clr-bg-alt), var(--clr-surface));
}

.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(1.08) contrast(1.05) saturate(1.08);
  transition: transform var(--transition-slow);
}

.card:hover .card__image {
  transform: scale(1.05);
}

/* Badge flotante sobre la imagen */
.card__badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-inverse);
  background-color: var(--clr-primary);
  border-radius: var(--radius-pill);
}

.card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
  gap: var(--space-sm);
}

.card__title {
  font-size: var(--fs-h3);
  color: var(--clr-text);
  transition: color var(--transition-base);
}

.card__description {
  font-size: var(--fs-body);
  color: var(--clr-text-muted);
  flex: 1;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--clr-border);
  margin-top: auto;
}

.card__price {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--clr-primary);
}

/* ========================
  TARJETAS DE BEBIDAS
   ======================== */
.drink-card {
  display: flex;
  flex-direction: column;
  background-color: var(--clr-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-border);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    border-color var(--transition-base);
}

.drink-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.drink-card__image-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, var(--clr-bg-alt), var(--clr-surface));
}

.drink-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(1.08) contrast(1.05) saturate(1.08);
  transition: transform var(--transition-slow);
}

.drink-card:hover .drink-card__image {
  transform: scale(1.05);
}

.drink-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
  gap: var(--space-md);
}

.drink-card__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
  margin: 0;
}

.drink-card__sizes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.drink-card__size-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--clr-border);
  font-size: var(--fs-body);
  color: var(--clr-text-muted);
}

.drink-card__size-item:last-child {
  border-bottom: none;
}

.drink-card__size {
  font-weight: var(--fw-regular);
  color: var(--clr-text);
}

.drink-card__price {
  font-weight: var(--fw-bold);
  color: var(--clr-primary);
  font-size: var(--fs-body);
}

/* ========================
  ETIQUETAS
   ======================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-pill);
  line-height: 1;
}

.badge--primary {
  background-color: rgba(var(--clr-primary-rgb), 0.14);
  color: var(--clr-primary);
}

.badge--secondary {
  background-color: rgba(var(--clr-secondary-rgb), 0.14);
  color: var(--clr-secondary);
}

.badge--accent {
  background-color: rgba(var(--clr-secondary-rgb), 0.14);
  color: var(--clr-secondary);
}

/* ========================
  ANIMACIONES DE APARICIÓN AL HACER SCROLL
   ======================== */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.reveal--left {
  transform: translateX(-1.5rem);
}

.reveal--right {
  transform: translateX(1.5rem);
}

.reveal.revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* Retraso escalonado en hijos */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 0.4s; }

/* ========================
  ENVOLTORIO DE ÍCONOS (Utilidad)
   ======================== */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon--sm  { width: 1rem;    height: 1rem;    }
.icon--md  { width: 1.25rem; height: 1.25rem; }
.icon--lg  { width: 1.5rem;  height: 1.5rem;  }
.icon--xl  { width: 2rem;    height: 2rem;    }