/* ============================================
   Components — Botões, cards, chips, timeline, FAQ, formulários
   ============================================ */

/* === Botões === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease),
    background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease),
    color var(--dur-base) var(--ease);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  color: #fff;
  background: var(--grad-brand);
  background-size: 150% 150%;
  box-shadow: var(--glow-violet), 0 8px 24px rgba(124, 77, 255, 0.35);
}

.btn--primary:hover {
  color: #fff;
  background-position: 100% 50%;
  box-shadow: var(--glow-cyan), 0 12px 32px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.btn--outline {
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--c-border-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn--outline:hover {
  color: #fff;
  border-color: var(--c-violet);
  box-shadow: var(--glow-violet);
  transform: translateY(-2px);
}

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

.btn--ghost:hover {
  color: var(--c-cyan-soft);
}

.btn--sm {
  padding: 0.5rem 1.125rem;
  font-size: var(--fs-sm);
}

.btn--lg {
  padding: 1rem 1.875rem;
  font-size: var(--fs-md);
}

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

.btn__icon {
  flex-shrink: 0;
}

/* === Cards base === */
.card {
  position: relative;
  padding: var(--sp-6);
  transition: transform var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease), background-color var(--dur-base) var(--ease);
  will-change: transform;
}

.card:hover {
  border-color: rgba(124, 77, 255, 0.45);
  box-shadow: var(--glow-violet), var(--shadow-md);
  transform: translateY(-6px);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--sp-5);
  border-radius: var(--radius-md);
  color: var(--c-cyan-soft);
  background-size: 200% 200%;
  box-shadow: var(--glow-violet);
  transition: transform var(--dur-base) var(--ease);
}

.card:hover .card__icon {
  transform: scale(1.08) rotate(-4deg);
}

.card__title {
  font-family: var(--ff-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-3);
  color: var(--c-text);
}

.card__text {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  line-height: var(--lh-relaxed);
}

.card--case {
  min-height: 220px;
  display: flex;
  flex-direction: column;
}

.card--case .card__text {
  flex: 1;
}

/* === Chips (especialistas) === */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.chip {
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
  transition: all var(--dur-fast) var(--ease-soft);
}

.chip:hover {
  color: #fff;
  border-color: var(--c-violet);
  background: rgba(124, 77, 255, 0.12);
  box-shadow: var(--glow-violet);
  transform: translateY(-2px);
}

/* === Expertise columns === */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.expertise-col {
  padding: var(--sp-6);
}

.expertise-col__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ff-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-5);
  color: var(--c-text);
}

.expertise-col__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  color: var(--c-cyan-soft);
  background: var(--grad-violet);
  box-shadow: var(--glow-violet);
  flex-shrink: 0;
}

/* === Timeline (definido em sections.css) === */

/* === Reasons grid === */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
  max-width: 960px;
  margin-inline: auto;
}

.reason-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem 1.375rem;
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--c-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--dur-base) var(--ease);
}

.reason-item:hover {
  color: #fff;
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: var(--glow-cyan);
  transform: translateX(4px);
}

.reason-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  color: var(--c-violet-soft);
  background: rgba(124, 77, 255, 0.12);
  border: 1px solid rgba(124, 77, 255, 0.3);
}

/* === Tech grid === */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-4);
}

.tech-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5) 1rem;
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-md);
  text-align: center;
  color: var(--c-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--dur-base) var(--ease);
}

.tech-item:hover {
  color: #fff;
  border-color: rgba(124, 77, 255, 0.5);
  background: rgba(124, 77, 255, 0.12);
  box-shadow: var(--glow-violet);
  transform: translateY(-4px);
}

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

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}

.faq-item[open] {
  border-color: rgba(124, 77, 255, 0.4);
  box-shadow: var(--glow-violet);
}

.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-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

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

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

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

.faq-item__answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--c-text-muted);
  line-height: var(--lh-relaxed);
}

/* === Formulários === */
.form-group {
  margin-bottom: var(--sp-5);
  text-align: left;
}

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

.form-label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-text-secondary);
}

.form-label--check {
  display: inline;
  margin-bottom: 0;
  font-size: var(--fs-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1.125rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  transition: border-color var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);
  appearance: none;
  -webkit-appearance: none;
}

.form-select {
  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;
  color: var(--c-text-muted);
}

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

.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-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--c-error);
  box-shadow: 0 0 0 3px var(--c-error-bg);
}

.form-group--check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

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

.form-error {
  display: block;
  margin-top: 0.375rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--c-error);
  min-height: 1em;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.125rem;
  margin-bottom: var(--sp-5);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-success);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--radius-sm);
}

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

.form-link:hover {
  color: var(--c-violet-soft);
}