/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn--primary {
  background: #fff;
  color: #0a0a0a;
}

.btn--primary:hover {
  opacity: 0.9;
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-surface);
}

.btn--block {
  width: 100%;
}

/* Tag / pill badge */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8fff1a;
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8fff1a;
  box-shadow: 0 0 8px 1px rgba(143, 255, 26, 0.7);
}

/* Card */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-12);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}

.card__index {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.card__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.card__body {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.55;
}

/* Tarjetas de servicio: ícono + hover con acento de marca */
.card--service {
  cursor: default;
}

.card--service:hover {
  transform: translateY(-4px);
  border-color: rgba(143, 255, 26, 0.4);
  background: var(--color-surface-alt);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  margin-bottom: var(--space-8);
  border-radius: var(--radius-sm);
  background: rgba(143, 255, 26, 0.08);
  color: #8fff1a;
  transition: background var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.card--service:hover .card__icon {
  background: rgba(143, 255, 26, 0.16);
  transform: scale(1.08);
}

/* Reveal utility (JS toggles .is-visible) */
.reveal {
  opacity: 0;
  transform: translateY(36px) scale(0.97);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Accordion */
.accordion-item {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
}

.accordion-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  text-align: left;
  font-size: 1.05rem;
  cursor: pointer;
}

.accordion-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-surface-strong);
  display: grid;
  place-items: center;
  position: relative;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--color-text);
  transition: transform var(--dur-base) var(--ease-out);
}

.accordion-icon::before {
  width: 12px;
  height: 1.5px;
}

.accordion-icon::after {
  width: 1.5px;
  height: 12px;
}

.accordion-item[data-open="true"] .accordion-icon::after {
  transform: scaleY(0);
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-base) var(--ease-out);
}

.accordion-item[data-open="true"] .accordion-panel {
  grid-template-rows: 1fr;
}

.accordion-panel__inner {
  overflow: hidden;
}

.accordion-panel p {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  padding-top: var(--space-4);
  max-width: 60ch;
}

/* Image placeholder (real photography/renders to be supplied later) */
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--color-surface-strong), var(--color-bg));
  color: var(--color-text-muted);
  font-size: var(--fs-tiny);
  letter-spacing: 0.02em;
}

.img-placeholder--round {
  border-radius: 50%;
}

/* Form */
.field {
  margin-bottom: var(--space-6);
}

.field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.field input,
.field textarea {
  width: 100%;
  border-bottom: 1px solid var(--color-border-strong);
  padding-block: var(--space-2);
  color: var(--color-text);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-muted);
}

.field textarea {
  resize: vertical;
  min-height: 90px;
}