/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  position: relative;
  z-index: var(--z-overlay);
  transition:
    transform    var(--ease-fast),
    box-shadow   var(--ease-fast),
    background   var(--ease-normal),
    border-color var(--ease-normal),
    color        var(--ease-normal);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn:hover  { transform: scale(1.05); }
.btn:active { transform: scale(0.98); }

/* Primary */
.btn-primary {
  background: var(--gradient-primary);
  color: #061010;
  border-color: transparent;
}
.btn-primary:hover {
  box-shadow: 0 0 28px rgba(0, 212, 200, 0.4);
}

/* Outline */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(0, 212, 200, 0.08);
  box-shadow: 0 0 20px rgba(0, 212, 200, 0.2);
}

/* Secondary */
.btn-secondary {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* WhatsApp */
.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #ffffff;
  border-color: transparent;
}
.btn-whatsapp:hover {
  background: var(--color-whatsapp-dark);
  box-shadow: 0 0 24px rgba(37, 211, 102, 0.35);
}

/* Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* Efecto foco — las secciones ajenas al botón activo se oscurecen */
section {
  transition: filter 200ms ease, opacity 200ms ease;
}
.blur-dimmed {
  filter: brightness(0.45);
  pointer-events: none;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition:
    border-color var(--ease-normal),
    box-shadow   var(--ease-normal),
    transform    var(--ease-normal);
}
.card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(0, 212, 200, 0.1);
  transform: translateY(-3px);
}
.card--accent {
  border-left: 3px solid var(--color-primary);
}

.card-icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}
.card-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-primary {
  background: rgba(0, 212, 200, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(0, 212, 200, 0.2);
}
.badge-urgent {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-urgent);
  border: 1px solid rgba(245, 158, 11, 0.25);
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ─── Form inputs ─────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--ease-normal), box-shadow var(--ease-normal);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 200, 0.1);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A9090' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* ─── WhatsApp float (mobile) ─────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  z-index: calc(var(--z-header) - 1);
  transition: transform var(--ease-fast), box-shadow var(--ease-fast);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  color: white;
}

@media (min-width: 1024px) {
  .whatsapp-float { display: none !important; }
}