/* ==========================================================================
   TASS — components.css
   Botones, tarjetas, formularios y selector de idioma.
   ========================================================================== */

/* ---------- BOTONES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background-color 260ms ease, color 260ms ease,
    border-color 260ms ease, box-shadow 260ms ease, transform 260ms ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-espresso);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-espresso);
  color: var(--color-paper);
}

.btn-primary:hover {
  background-color: #34240F;
  box-shadow: 0 10px 20px -10px rgba(70, 49, 31, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-espresso);
  border-color: var(--color-espresso);
}

.btn-secondary:hover {
  background-color: var(--color-espresso);
  color: var(--color-paper);
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-paper);
  border-color: var(--color-paper);
}

.btn-outline-light:hover {
  background-color: var(--color-paper);
  color: var(--color-espresso);
  transform: translateY(-2px);
}

.btn-outline-light:focus-visible {
  outline-color: var(--color-paper);
}

.btn-block {
  width: 100%;
}

/* ---------- SELECTOR DE IDIOMA (menú desplegable) ---------- */
.lang-switcher {
  position: relative;
}

.lang-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px 3px 3px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: none;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-graphite);
}

.lang-trigger:hover {
  border-color: var(--color-espresso);
}

/* Ronda "refinamiento responsive": composición del header móvil más
   limpia — padding/gap del selector de idioma un poco más ajustados.
   Funcionalidad, opciones de idioma y comportamiento del menú
   desplegable no cambian, solo su tamaño visual. Header/footer son
   compartidos por las 9 páginas del sitio (mismo selector en todas),
   así que este ajuste aplica de forma global de manera consistente. */
@media (max-width: 900px) {
  .lang-trigger {
    gap: 4px;
    padding: 3px 6px 3px 3px;
  }
}

.lang-trigger__caret {
  font-size: 0.55rem;
  opacity: 0.6;
  transition: transform 0.15s ease;
}

.lang-switcher.is-open .lang-trigger__caret {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 118px;
  margin: 0;
  padding: 6px;
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  display: none;
  z-index: 60;
}

.lang-switcher.is-open .lang-menu {
  display: block;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: none;
  border-radius: 4px;
  background: none;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink);
  text-align: left;
}

.lang-btn + .lang-btn {
  margin-top: 2px;
}

.lang-btn:hover:not(.is-disabled) {
  background-color: var(--color-off-white);
}

.lang-btn.is-active {
  color: var(--color-espresso);
}

.lang-btn.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.lang-flag {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.35),
    inset 0 -2px 3px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.lang-btn .lang-flag {
  width: 18px;
  height: 18px;
}

.lang-btn.is-active .lang-flag {
  outline: 2px solid var(--color-espresso);
  outline-offset: 1px;
}

/* Bandera de México */
.lang-flag[data-flag="es"] {
  background-image:
    url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20fill='%236b4a23'%20d='M12%202%2020%205v7c0%205-3.5%208.5-8%2010-4.5-1.5-8-5-8-10V5z'/%3E%3C/svg%3E"),
    linear-gradient(
      to right,
      #006341 0%, #006341 33.33%,
      #ffffff 33.33%, #ffffff 66.66%,
      #ce1126 66.66%, #ce1126 100%
    );
  background-repeat: no-repeat, no-repeat;
  background-size: 24% 32%, 100% 100%;
  background-position: center, center;
}

/* Bandera de Estados Unidos (simplificada) */
.lang-flag[data-flag="en"] {
  background-color: #b22234;
  background-image:
    linear-gradient(#3c3b6e, #3c3b6e),
    repeating-linear-gradient(to bottom, #ffffff 0 2px, transparent 2px 4px);
  background-repeat: no-repeat, repeat-y;
  background-size: 45% 55%, 100% 4px;
  background-position: top left, top left;
}

/* Bandera de China (simplificada) */
.lang-flag[data-flag="zh"] {
  background-color: #de2910;
  background-image: radial-gradient(
    circle at 30% 30%,
    #ffde00 0%, #ffde00 25%, transparent 26%
  );
}

/* ---------- TARJETAS ---------- */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.card__body {
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.card__title {
  font-size: 1.2rem;
  font-weight: 600;
}

.card__text {
  color: var(--color-graphite);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
}

.card__meta {
  font-size: 0.78rem;
  color: var(--color-graphite);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- FORMULARIO DE CONTACTO ---------- */
.form-group {
  margin-bottom: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-espresso);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-base);
  font-size: 0.95rem;
  background-color: var(--color-paper);
  color: var(--color-ink);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-water);
  outline-offset: 1px;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

@media (max-width: 700px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-graphite);
  margin-top: var(--space-xs);
}

/* ---------- PANEL DE INFORMACIÓN DE CONTACTO ---------- */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-info-item h3 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

/* ---------- ETIQUETA "TEXTO PROVISIONAL" ---------- */
.provisional-tag {
  display: inline-block;
}