/* ============================================
   NUKA · COMPONENTS v2
   ============================================ */

/* Buttons */
.nuka-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.nuka-btn--primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.nuka-btn--primary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.nuka-btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.nuka-btn--secondary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.nuka-btn--light {
  background-color: transparent;
  color: var(--color-bg);
  border-color: var(--color-bg);
}

.nuka-btn--light:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.nuka-btn--text {
  background: none;
  border: none;
  padding: 8px 0;
  color: var(--color-text-primary);
  position: relative;
}

.nuka-btn--text::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nuka-btn--text:hover::after {
  width: 100%;
}

/* WhatsApp */
.nuka-whatsapp {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-whatsapp);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast);
}

.nuka-whatsapp:hover {
  transform: scale(1.1);
}

.nuka-whatsapp svg {
  width: 28px;
  height: 28px;
  color: white;
  fill: white;
  stroke: none;
}

/* Ficha técnica */
.nuka-ficha {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm) var(--space-lg);
}

@media (min-width: 768px) {
  .nuka-ficha {
    grid-template-columns: auto 1fr;
  }
}

.nuka-ficha dt {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.nuka-ficha dd {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--color-text-primary);
}

/* Timeline */
.nuka-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nuka-timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .nuka-timeline__item {
    grid-template-columns: 140px 1fr;
    gap: var(--space-xl);
  }
}

.nuka-timeline__year {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 400;
  color: var(--color-accent);
}

.nuka-timeline__text {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-primary);
}

/* Form */
.nuka-form__group {
  margin-bottom: var(--space-lg);
}

.nuka-form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.nuka-form__input,
.nuka-form__textarea {
  width: 100%;
  padding: 16px 18px;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0;
  transition: border-color var(--transition-fast);
}

.nuka-form__input:focus,
.nuka-form__textarea:focus {
  border-color: var(--color-accent);
  outline: none;
}

.nuka-form__textarea {
  min-height: 180px;
  resize: vertical;
}

.nuka-form__error {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-error);
  margin-top: var(--space-xs);
  display: none;
}

.nuka-form__group.is-invalid .nuka-form__error {
  display: block;
}

.nuka-form__group.is-invalid .nuka-form__input,
.nuka-form__group.is-invalid .nuka-form__textarea {
  border-color: var(--color-error);
}

/* Footer */
.nuka-footer {
  background-color: var(--color-primary);
  color: var(--color-bg);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
}

.nuka-footer__inner {
  width: 100%;
  padding: 0 var(--padding-x);
}

.nuka-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .nuka-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .nuka-footer__top {
    grid-template-columns: 2.5fr 1fr 1fr 1fr;
  }
}

.nuka-footer__logo svg,
.nuka-footer__logo img {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-md);
  filter: brightness(0) invert(1);
}

.nuka-footer__text {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 300;
  line-height: 1.6;
  color: #a0a0a0;
  max-width: 32ch;
}

.nuka-footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-label);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg);
  margin-bottom: var(--space-lg);
}

.nuka-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nuka-footer__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 300;
  color: #a0a0a0;
  transition: color var(--transition-fast);
}

.nuka-footer__link:hover {
  color: var(--color-accent);
}

.nuka-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .nuka-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.nuka-footer__copyright {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 300;
  color: #a0a0a0;
}

.nuka-footer__credits {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.3);
}