/* =============================================================
   COMPONENTS.CSS — Marthicali
   Botões, hamburger, cards, formulário multi-step
   ============================================================= */

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-base), color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--blue-light); outline-offset: 3px; }
.btn[disabled], .btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--primary {
  background: var(--blue-accent);
  color: var(--white);
  border-color: var(--blue-accent);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  background: var(--navy-medium);
  border-color: var(--navy-medium);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}
.btn--ghost:hover {
  background: var(--white);
  color: var(--navy-deep);
  border-color: var(--white);
}
.btn--ghost.btn--dark {
  color: var(--navy-deep);
  border-color: var(--gray-border);
}
.btn--ghost.btn--dark:hover {
  background: var(--navy-deep);
  color: var(--white);
  border-color: var(--navy-deep);
}

.btn--whatsapp {
  background: var(--success);
  color: var(--white);
  border-color: var(--success);
}
.btn--whatsapp:hover {
  background: #059669;
  border-color: #059669;
  color: var(--white);
}

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

/* ---------- Hamburger ---------- */

.site-header__menu-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.site-header__menu-toggle:hover { background: rgba(255, 255, 255, 0.1); }
.site-header__menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}
.site-header__menu-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header__menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.site-header__menu-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Cards genéricos ---------- */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* =============================================================
   FORMULÁRIO MULTI-STEP — cotacao.html
   ============================================================= */

.page-cotacao { background: var(--gray-bg); }

.cotacao-page {
  padding-top: var(--space-md);
  padding-bottom: var(--space-lg);
}
.cotacao-page .section__header h1 { font-size: clamp(1.75rem, 3.5vw, 2.25rem); }
.cotacao-page .section__header { margin-bottom: var(--space-md); }
.cotacao-page .section__header p { margin-bottom: 0; font-size: var(--fs-sm); }

.form-cotacao {
  max-width: 820px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(var(--space-sm), 3vw, var(--space-lg));
}

/* ---------- Bloco do formulário (página única) ---------- */

.form-block {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--gray-border);
}
.form-block:first-of-type { padding-top: 0; }
.form-block:last-of-type { border-bottom: none; padding-bottom: 0; }

.form-block__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}
.form-block__header h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--navy-deep);
  margin: 0 0 0.1rem;
  line-height: 1.2;
}
.form-block__header p {
  margin: 0;
  color: var(--gray-muted);
  font-size: var(--fs-xs);
}

.form-block__num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-accent);
  color: var(--white);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-xs);
  box-shadow: 0 3px 8px rgba(44, 116, 179, 0.25);
}

/* ---------- Radio cards (etapa 1) ---------- */

.radio-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
@media (min-width: 640px) { .radio-cards { grid-template-columns: 1fr 1fr; } }

.radio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: var(--space-md);
  background: var(--white);
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
}
.radio-card:hover {
  border-color: var(--blue-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.radio-card:has(input:checked) {
  border-color: var(--blue-accent);
  background: rgba(44, 116, 179, 0.06);
  box-shadow: var(--shadow-md);
}
.radio-card__icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: rgba(44, 116, 179, 0.12);
  color: var(--blue-accent);
  border-radius: var(--radius-md);
}
.radio-card:has(input:checked) .radio-card__icon {
  background: var(--blue-accent);
  color: var(--white);
}
.radio-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--navy-deep);
}
.radio-card__desc {
  font-size: var(--fs-sm);
  color: var(--gray-muted);
}

.radio-cards.is-invalid .radio-card {
  border-color: var(--error);
}

/* ---------- Radio inline (seguro) ---------- */

.radio-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: 0.5rem;
}
.radio-inline label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  cursor: pointer;
}
.radio-inline input { accent-color: var(--blue-accent); }
.radio-inline.is-invalid { color: var(--error); }

/* ---------- Form fields ---------- */

.form-group-title {
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--blue-accent);
  margin: var(--space-xs) 0 var(--space-2xs);
}
.form-group-title:first-of-type { margin-top: 0; }

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}
@media (min-width: 640px) {
  .form-row { grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); }
  .form-row--2 { grid-template-columns: 1fr 1fr; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: var(--space-xs);
}
.form-row > .form-field { margin-bottom: 0; }
.form-field--sm { grid-column: span 1; }
.form-field--xs { grid-column: span 1; max-width: 120px; }

@media (min-width: 640px) {
  .form-field--sm { grid-column: span 1; }
}

.form-field label,
.form-field__legend {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--navy-deep);
}

.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field input[type="number"],
.form-field input[type="date"],
.form-field select,
.form-field textarea {
  padding: 0.6rem 0.85rem;
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--navy-deep);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}
.form-field textarea { resize: vertical; min-height: 64px; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue-accent);
  box-shadow: 0 0 0 3px rgba(44, 116, 179, 0.18);
}

.form-field input.is-invalid,
.form-field select.is-invalid,
.form-field textarea.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.12);
}
.form-field input.is-valid {
  border-color: var(--success);
}
.form-field input.is-loading {
  background-image: linear-gradient(90deg, transparent 0%, rgba(44, 116, 179, 0.12) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: input-loading 1.2s linear infinite;
}
@keyframes input-loading {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

.form-field__msg {
  min-height: 0;
  font-size: var(--fs-xs);
  color: var(--error);
  line-height: 1.3;
}
.form-field__msg:empty { display: none; }

/* ---------- Checkbox LGPD ---------- */

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin: var(--space-sm) 0 0;
  padding: 0.75rem;
  background: var(--gray-bg);
  border-radius: var(--radius-md);
  font-size: var(--fs-xs);
  line-height: 1.4;
  color: var(--gray-text);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.form-check:hover { background: #ebf0f6; }
.form-check input { margin-top: 0.2rem; accent-color: var(--blue-accent); flex-shrink: 0; }
.form-check a { color: var(--blue-accent); text-decoration: underline; }
.form-check.is-invalid {
  background: rgba(229, 62, 62, 0.08);
  outline: 1px solid var(--error);
}

/* ---------- Ações (botões de etapa) ---------- */

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--gray-border);
}
.form-actions--end { justify-content: flex-end; }
.form-actions--center { justify-content: center; }

.form-note {
  font-size: var(--fs-xs);
  color: var(--gray-muted);
  margin-top: var(--space-xs);
  text-align: center;
}