/* ==========================================================================
   CONVIVE — Componentes reutilizables
   Botones, badges, cards, glass panels, formularios, accordion
   ========================================================================== */

/* ---------------------------------- Botones ---------------------------- */
.btn {
  --btn-pad-y: 0.85rem;
  --btn-pad-x: 1.6rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  will-change: transform;
}

.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-aqua-600));
  box-shadow: 0 1px 1px rgba(18,23,43,0.05), var(--shadow-glow);
}

.btn-primary:hover {
  box-shadow: 0 1px 1px rgba(18,23,43,0.05), 0 18px 40px rgba(61,99,221,0.28);
  transform: translateY(-2px);
}

.btn-secondary {
  color: var(--c-ink-900);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  border-color: var(--c-blue-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  color: var(--c-ink-700);
  background: transparent;
}

.btn-ghost:hover { color: var(--c-blue-600); }

.btn-lg { --btn-pad-y: 1rem; --btn-pad-x: 2rem; font-size: var(--fs-base); }

.btn-icon {
  display: inline-flex;
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}

.btn:hover .btn-icon { transform: translateX(3px); }

.btn-block { width: 100%; }

/* ----------------------------------- Badges ----------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  background: var(--c-surface-3);
  color: var(--c-ink-500);
  border: 1px solid var(--c-border-soft);
}

/* ------------------------------------ Cards ------------------------------ */
.card {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-border);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--g-soft);
  margin-bottom: var(--sp-md);
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

/* ------------------------------- Glass panel ---------------------------- */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* ------------------------------------ Forms ------------------------------ */
.field {
  position: relative;
  margin-bottom: var(--sp-md);
}

.field label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--c-ink-700);
  margin-bottom: 0.5rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--c-ink-900);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--c-ink-300);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-blue-500);
  background: var(--c-white);
  box-shadow: 0 0 0 4px var(--c-blue-100);
}

.field small.hint {
  display: block;
  margin-top: 0.4rem;
  font-size: var(--fs-xs);
  color: var(--c-ink-400);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #e2645a;
}

.field .error-msg {
  display: none;
  margin-top: 0.4rem;
  font-size: var(--fs-xs);
  color: #d5493f;
}

.field.has-error .error-msg { display: block; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
}

/* ---------------------------------- Accordion ---------------------------- */
.accordion-item {
  border-bottom: 1px solid var(--c-border-soft);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding: var(--sp-md) 0;
  text-align: left;
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--c-ink-900);
}

.accordion-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-surface-3);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base);
}

.accordion-icon svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-base) var(--ease-out);
}

.accordion-item[aria-expanded="true"] .accordion-icon {
  background: var(--g-brand);
}

.accordion-item[aria-expanded="true"] .accordion-icon svg {
  transform: rotate(45deg);
  filter: brightness(0) invert(1);
}

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

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

.accordion-panel-inner {
  overflow: hidden;
}

.accordion-panel p {
  padding-bottom: var(--sp-md);
  max-width: 640px;
}

/* ------------------------------------- Tag ------------------------------- */
.pillar-chip {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-md);
  background: var(--c-white);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-md);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.pillar-chip:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.pillar-chip .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--g-brand);
  flex-shrink: 0;
}

/* ------------------------------------ Stat ------------------------------- */
.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
  background: var(--g-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat-label {
  margin-top: var(--sp-xs);
  font-size: var(--fs-sm);
  color: var(--c-ink-500);
}