/* ============================================
   Components — botões, cards, chips, forms, FAQ
   ============================================ */

/* === Botões === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  color: #fff;
  background: var(--grad-brand);
  background-size: 150% auto;
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35);
}

.btn--primary:hover {
  background-position: right center;
  box-shadow: 0 12px 40px rgba(124, 77, 255, 0.45);
  color: #fff;
}

.btn--outline {
  color: var(--c-text);
  border-color: var(--c-border-strong);
  background: var(--c-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn--outline:hover {
  border-color: var(--c-cyan);
  color: var(--c-text);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.2);
}

.btn--ghost {
  color: var(--c-text-secondary);
}

.btn--ghost:hover {
  color: var(--c-text);
  background: var(--c-bg-glass);
}

.btn--sm {
  padding: 0.55rem 1.1rem;
  font-size: var(--fs-sm);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--fs-md);
}

.btn--block {
  width: 100%;
}

.btn--pill {
  border-radius: var(--radius-full);
}

/* === Cards base === */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
  will-change: transform;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 77, 255, 0.5);
  box-shadow: 0 20px 60px rgba(2, 6, 23, 0.6), 0 0 0 1px rgba(124, 77, 255, 0.25);
}

.card::after {
  content: '';
  position: absolute;
  inset: auto -30% -40% auto;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(124, 77, 255, 0.18), transparent 70%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
  pointer-events: none;
}

.card:hover::after {
  opacity: 1;
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  color: var(--c-cyan-soft);
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.18), rgba(34, 211, 238, 0.12));
  border: 1px solid rgba(124, 77, 255, 0.35);
  box-shadow: var(--glow-violet);
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}

.card:hover .card__icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.4);
}

.card__title {
  font-size: var(--fs-lg);
}

.card__text {
  font-size: var(--fs-base);
  color: var(--c-text-secondary);
}

.card__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--c-cyan-soft);
}

.card__link svg {
  transition: transform var(--dur-fast) var(--ease);
}

.card__link:hover svg {
  transform: translateX(4px);
}

/* === Chips / tags === */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-text-secondary);
  background: var(--c-bg-glass);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
  transition: color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.chip:hover {
  color: var(--c-text);
  border-color: var(--c-cyan);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.25);
}

/* === Formulários === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--c-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--c-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-violet);
  box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.25);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238491ab' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background: #ffffff;
  color: var(--c-bg);
}

.form-group--check {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.6rem;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--c-violet);
  flex-shrink: 0;
}

.form-label--check {
  font-weight: var(--fw-regular);
  color: var(--c-text-secondary);
}

.form-link {
  color: var(--c-cyan-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-error {
  display: none;
  font-size: var(--fs-sm);
  color: var(--c-error);
}

.form-group.is-error .form-error {
  display: block;
}

.form-group.is-error .form-input,
.form-group.is-error .form-textarea,
.form-group.is-error .form-select {
  border-color: var(--c-error);
}

.form-group.is-error .form-checkbox {
  outline: 2px solid var(--c-error);
}

.form-success {
  padding: 0.9rem 1rem;
  font-size: var(--fs-sm);
  color: var(--c-success);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: var(--radius-sm);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

/* === FAQ === */
.faq-list {
  display: grid;
  gap: var(--sp-4);
}

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-md);
  cursor: pointer;
  list-style: none;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question svg {
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease);
}

.faq-item[open] .faq-item__question svg {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--c-text-secondary);
  font-size: var(--fs-base);
}

/* === Newsletter === */
.newsletter-form__row {
  display: flex;
  gap: 0.5rem;
}

.newsletter-form .form-input {
  flex: 1;
}

/* === WhatsApp float / scroll top === */
.whatsapp-float,
.scroll-top {
  position: fixed;
  right: 1.25rem;
  z-index: var(--z-float);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.whatsapp-float {
  bottom: 1.25rem;
  background: #25d366;
  color: #fff;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.scroll-top {
  bottom: 5.5rem;
  background: var(--c-bg-glass-strong);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.scroll-top:hover {
  border-color: var(--c-cyan);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}