/* =========================
   FAQ — CoolBit AI styling
   ========================= */
:root{
  --cb-primary:#104665;
  --cb-accent:#045c7e;
  --cb-text:#34383c;
  --cb-bg:#ffffff;
  --cb-muted:#f3f5f7;
  --cb-border:#e6e9ee;
  --cb-radius:16px;
  --cb-shadow:0 6px 20px rgba(0,0,0,.08);
}

.faq{
  max-width: 980px;
  margin: clamp(24px,4vw,48px) auto;
  padding: 0 clamp(16px,3vw,24px);
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--cb-text);
}

.faq__title{
  font-size: clamp(28px,3vw,40px);
  line-height: 1.15;
  color: var(--cb-primary);
  margin: 0 0 16px;
}

.faq__subtitle{
  color: color-mix(in srgb, var(--cb-text) 80%, white);
  margin: 0 0 24px;
}

/* Contenedor de items */
.faq__list{
  display: grid;
  gap: 12px;
}

/* Item base */
.faq-item{
  background: var(--cb-bg);
  border: 1px solid var(--cb-border);
  border-radius: var(--cb-radius);
  box-shadow: var(--cb-shadow);
  overflow: clip;
}

/* Trigger (para button[aria-expanded] O summary) */
.faq-trigger,
.faq-item summary{
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 20px;
  font: 600 16px/1.3 "Poppins", sans-serif;
  color: var(--cb-primary);
  background: linear-gradient(0deg, #fff 0%, #fff0 100%);
  border: 0;
  cursor: pointer;
  position: relative;
  list-style: none;
}

.faq-item summary{
  /* quitar triángulo por defecto */
  list-style: none;
}
.faq-item summary::-webkit-details-marker{ display:none; }

/* Icono chevron (si usas Lucide con <i data-lucide="chevron-down">) */
.faq-trigger .icon,
.faq-item summary .icon{
  margin-left: auto;
  width: 20px; height: 20px;
  flex: 0 0 20px;
  transition: transform .25s ease;
  color: var(--cb-accent);
}

/* Fallback: chevron puro CSS si no usas ícono */
.faq-trigger::after,
.faq-item summary::after{
  content: "";
  margin-left: auto;
  width: 10px; height: 10px;
  border-right: 2px solid var(--cb-accent);
  border-bottom: 2px solid var(--cb-accent);
  transform: rotate(45deg);
  transition: transform .25s ease;
}

/* Estado abierto (ARIA o <details open>) */
.faq-trigger[aria-expanded="true"] .icon{ transform: rotate(180deg); }
.faq-trigger[aria-expanded="true"]::after{ transform: rotate(-135deg); }

.faq-item[open] summary .icon{ transform: rotate(180deg); }
.faq-item[open] summary::after{ transform: rotate(-135deg); }

/* Borde lateral al abrir para reforzar marca */
.faq-item.is-open,
.faq-item[open]{
  border-left: 4px solid var(--cb-accent);
}

/* Panel de contenido (para div.faq-panel) */
.faq-panel{
  padding: 0 20px 18px 20px;
  color: color-mix(in srgb, var(--cb-text) 90%, black);
  display: grid;
  gap: 10px;
}
.faq-panel[hidden]{ display: none; }

/* Panel de contenido (para <details> con section interna) */
.faq-item > *:not(summary){
  padding: 0 20px 18px 20px;
}

/* Tipografía del cuerpo */
.faq p{
  margin: 0;
  line-height: 1.6;
  font-weight: 400;
}
.faq p + p{ margin-top: 10px; }

/* Estados de interacción y accesibilidad */
.faq-trigger:focus-visible,
.faq-item summary:focus-visible{
  outline: 3px solid color-mix(in srgb, var(--cb-accent) 50%, transparent);
  outline-offset: 2px;
  border-radius: calc(var(--cb-radius) - 2px);
}

/* Separador sutil entre items cuando hay mucho texto */
.faq--soft .faq-item{
  background: linear-gradient(180deg, #fff 0%, var(--cb-muted) 100%);
}

/* Modo oscuro opcional */
@media (prefers-color-scheme: dark){
  :root{
    --cb-bg: #0f1419;
    --cb-text: #e7edf3;
    --cb-muted: #0b0f13;
    --cb-border: #1f2a36;
    --cb-shadow: 0 8px 24px rgba(0,0,0,.35);
  }
  .faq-item{ border-color: var(--cb-border); }
  .faq-trigger,
  .faq-item summary{ background: linear-gradient(0deg, #0f1419 0%, #0f141900 100%); }
}

/* Animación respetuosa con accesibilidad (apertura suave) */
@media (prefers-reduced-motion: no-preference){
  .faq-panel,
  .faq-item > *:not(summary){
    animation: faqFade .25s ease;
  }
  @keyframes faqFade{
    from{ opacity:.6; transform: translateY(-2px); }
    to{ opacity:1; transform: translateY(0); }
  }
}