.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.lang-switch .lang-active { color: var(--ink); font-weight: 500; }
.lang-switch .lang-link { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.lang-switch .lang-link:hover { color: var(--ink); }
.lang-switch .lang-sep { color: var(--line-strong); }

.site-header .wordmark { font-size: 2.1rem; font-weight: 500; }
.question { font-size: 1.55rem; }

/* ── Progreso de pasos ───────────────────────────────────── */
.steps-progress {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
}
.steps-progress span {
  flex: 1;
  height: 2px;
  background: var(--line);
  transition: background 0.4s var(--ease-smooth);
}
.steps-progress span.done { background: var(--ink); }

/* ── Selector de día ─────────────────────────────────────── */
.day-rail {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
  margin-bottom: 1.75rem;
}
.day-chip {
  flex-shrink: 0;
  border: 1px solid var(--line-strong);
  padding: 0.65rem 1rem;
  text-align: center;
  cursor: pointer;
  background: transparent;
  font-family: var(--font-sans);
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}
.day-chip .d-name {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.day-chip .d-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--ink);
  margin-top: 0.15rem;
}
.day-chip.active { background: var(--ink); border-color: var(--ink); }
.day-chip.active .d-name,
.day-chip.active .d-num { color: var(--paper); }

/* ── Horarios ─────────────────────────────────────────────── */
.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.slot-btn {
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 0.75rem 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.slot-btn:hover:not(:disabled) { background: var(--paper-2); }
.slot-btn.selected { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.slot-btn:disabled {
  color: var(--line-strong);
  border-color: var(--line);
  cursor: not-allowed;
  text-decoration: line-through;
}

/* ── Formulario ───────────────────────────────────────────── */
.field { margin-bottom: 1.6rem; }
.field label {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.field input {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 0.4rem 0;
  outline: none;
  color: var(--ink);
  transition: border-color 0.2s;
}
.field input:focus { border-color: var(--ink); }
.field input::placeholder,
.field textarea::placeholder { color: var(--line-strong); }
.field textarea {
  width: 100%;
  min-height: 8rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.5;
  background: transparent;
  border: 1px solid var(--line-strong);
  padding: 0.75rem;
  outline: none;
  color: var(--ink);
  resize: vertical;
  transition: border-color 0.2s;
}
.field textarea:focus { border-color: var(--ink); }
.field-error {
  font-size: 0.7rem;
  color: var(--accent);
  margin-top: 0.45rem;
  display: none;
}

/* ── Resumen ──────────────────────────────────────────────── */
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.summary-row:first-child { border-top: 1px solid var(--line); }
.summary-row .s-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.summary-row .s-value {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

.step-panel { display: none; }
.step-panel.active { display: block; }

.preview-badge {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.3rem 0.6rem;
  margin-bottom: 1.5rem;
}

/* ── Checkout simulado (vista previa del widget de Wompi) ── */
.pay-overlay { position: fixed; inset: 0; z-index: 50; background: rgba(13,13,13,0.55); display: none; flex-direction: column; align-items: center; justify-content: center; padding: 1.5rem; overflow-y: auto; }
.pay-overlay.open { display: flex; }
.pay-modal { width: 100%; max-width: 400px; background: #fff; border-radius: 14px; padding: 1.4rem 1.5rem 1.2rem; font-family: var(--font-sans); color: #1b1b1f; }
.pay-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.pay-title { font-size: 1rem; font-weight: 600; }
.pay-sub { font-size: 0.72rem; color: #6b6b76; margin-top: 0.15rem; }
.pay-close { border: none; background: none; font-size: 1.5rem; line-height: 1; color: #6b6b76; cursor: pointer; }
.pay-amount { background: #f4f4f7; border-radius: 10px; padding: 0.9rem 1rem; margin-bottom: 1.1rem; }
.pay-amount-value { font-size: 1.6rem; font-weight: 600; letter-spacing: -0.01em; }
.pay-amount-cur { font-size: 0.75rem; color: #6b6b76; margin-left: 0.35rem; }
.pay-merchant { font-size: 0.78rem; color: #3a3a44; margin-top: 0.3rem; }
.pay-ref { font-size: 0.7rem; color: #6b6b76; margin-top: 0.15rem; }
.pay-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; margin-bottom: 1rem; }
.pay-tab { border: 1px solid #dcdce3; background: #fff; border-radius: 8px; padding: 0.55rem 0; font-size: 0.8rem; font-weight: 500; cursor: pointer; color: #1b1b1f; font-family: inherit; }
.pay-tab.active { border-color: #1b1b1f; background: #1b1b1f; color: #fff; }
.pay-method { display: none; }
.pay-method.active { display: block; }
.pay-label { display: block; font-size: 0.72rem; color: #3a3a44; font-weight: 500; margin-bottom: 0.75rem; }
.pay-input { display: block; width: 100%; margin-top: 0.3rem; border: 1px solid #dcdce3; border-radius: 8px; padding: 0.6rem 0.7rem; font-size: 0.9rem; font-family: inherit; background: #fff; color: #1b1b1f; outline: none; }
.pay-input:focus { border-color: #1b1b1f; }
.pay-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.pay-note { font-size: 0.75rem; color: #6b6b76; margin: -0.25rem 0 0.75rem; line-height: 1.45; }
.pay-terms { display: flex; gap: 0.5rem; align-items: flex-start; font-size: 0.72rem; color: #3a3a44; margin: 0.4rem 0 0.3rem; line-height: 1.4; cursor: pointer; }
.pay-error { font-size: 0.7rem; color: #b42318; display: none; margin-bottom: 0.4rem; }
.pay-btn { width: 100%; margin-top: 0.6rem; border: none; border-radius: 8px; background: #1b1b1f; color: #fff; padding: 0.8rem; font-size: 0.9rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.pay-state { display: none; text-align: center; padding: 1.5rem 0.5rem; }
.pay-state-title { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.pay-state-text { font-size: 0.8rem; color: #55555f; line-height: 1.5; }
.pay-spinner { width: 34px; height: 34px; border: 3px solid #e4e4ea; border-top-color: #1b1b1f; border-radius: 50%; margin: 0 auto 1rem; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.pay-secure { font-size: 0.65rem; color: #8a8a94; text-align: center; margin-top: 1rem; line-height: 1.4; }
.demo-bar { margin-top: 0.9rem; background: var(--paper); border: 1px dashed var(--line-strong); padding: 0.55rem 0.9rem; font-size: 0.72rem; color: var(--ink-soft); display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: center; max-width: 400px; width: 100%; }
.demo-bar label { display: flex; gap: 0.3rem; align-items: center; cursor: pointer; }

/* ── Temas de la consulta ────────────────────────────────── */
.topics-block { margin-bottom: 1.6rem; }
.field-title {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.7rem;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.15rem 1.5rem;
}
.topic {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--ink);
  cursor: pointer;
  padding: 0.4rem 0;
}
.topic input {
  margin-top: 0.22rem;
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  accent-color: var(--ink);
  cursor: pointer;
}
.summary-row .s-value#sumTemas { max-width: 65%; text-align: right; font-size: 1.02rem; line-height: 1.35; }

/* ── Datos de factura (opcional) ─────────────────────────── */
.factura-block { margin: 0 0 1.75rem; }
.factura-block summary { cursor: pointer; font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); list-style-position: inside; }
.factura-block[open] summary { margin-bottom: 0.9rem; color: var(--ink); }
.factura-nota { font-family: var(--font-serif); font-style: italic; font-size: 1rem; color: var(--ink-soft); margin-bottom: 1rem; }
.factura-grid { display: grid; grid-template-columns: 1fr 14rem; gap: 0 1.5rem; align-items: end; }
.field select {
  width: 100%; font-family: var(--font-serif); font-size: 1.3rem; background: transparent; border: none;
  border-bottom: 1px solid var(--line-strong); padding: 0.4rem 0; outline: none; color: var(--ink); border-radius: 0;
}
.field select:focus { border-color: var(--ink); }
#errHorarios { margin: -1rem 0 1.5rem; }
.slot-grid:empty::before { content: '…'; color: var(--muted); font-family: var(--font-serif); font-size: 1.2rem; }

/* ── Verificando el pago ─────────────────────────────────── */
.verif-spinner { width: 34px; height: 34px; border: 2px solid var(--line); border-top-color: var(--ink); border-radius: 50%; margin: 0 auto 1.25rem; animation: spin 0.9s linear infinite; }
#pagar[disabled] { opacity: 0.5; cursor: wait; }
@media (max-width: 600px) { .factura-grid { grid-template-columns: 1fr; } }

.question-hint a { color: inherit; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.question-hint a:hover { color: var(--ink); }

/* ── Pago con llave Bre-B ────────────────────────────────── */
.pago-llave { border: 1px solid var(--line-strong); padding: 1.4rem 1.5rem 1.2rem; margin: 0 0 2rem; background: var(--paper-2); }
.llave-box { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.llave-label { display: block; font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }
.llave-valor { font-family: var(--font-serif); font-size: 2rem; letter-spacing: 0.01em; color: var(--ink); }
.llave-copiar { font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; background: var(--ink); color: var(--paper); border: none; padding: 0.65rem 1.1rem; cursor: pointer; }
.llave-copiar:hover { background: var(--ink-soft); }
.llave-titular { font-family: var(--font-serif); font-style: italic; font-size: 1.02rem; color: var(--ink-soft); margin: 0.6rem 0 1rem; }
.llave-pasos { margin: 0; padding-left: 1.2rem; font-family: var(--font-serif); font-size: 1.08rem; line-height: 1.55; color: var(--ink); }
.llave-pasos li { margin-bottom: 0.3rem; }
.llave-exterior { margin: 1rem 0 0; padding-top: 0.9rem; border-top: 1px solid var(--line); font-family: var(--font-serif); font-size: 1.02rem; color: var(--ink-soft); }
.llave-exterior a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }