.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 750;
  text-align: center;
  transition:
    transform 0.2s var(--ease),
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
}

.btn-primary {
  color: var(--color-white);
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.btn-buy {
  color: var(--color-white);
  background: var(--color-green);
  border-color: var(--color-green);
}

.btn-buy:hover {
  background: var(--color-green-dark);
}

.btn-whatsapp {
  color: var(--color-white);
  background: var(--color-green);
  border-color: var(--color-green);
}

.btn-whatsapp:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
}

.btn-secondary {
  color: var(--color-ink);
  background: var(--color-white);
  border-color: var(--color-ink);
}

.site-header .btn-secondary {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(201, 169, 97, 0.5);
}

.site-header .btn-secondary:hover {
  color: var(--color-ink);
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-soft {
  color: var(--color-ink);
  background: var(--color-ivory);
  border-color: var(--color-line);
}

.btn-muted {
  color: var(--color-danger);
  background: var(--color-white);
  border-color: var(--color-line);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-white);
}

.chip,
.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-round);
  color: var(--color-muted);
  background: var(--color-white);
  font-size: 0.84rem;
  font-weight: 700;
}

.filter-chip {
  cursor: pointer;
}

.filter-chip.active {
  color: var(--color-ink);
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: var(--radius-round);
  color: var(--color-muted);
  background: var(--color-ivory);
  border: 1px solid var(--color-line);
  font-size: 0.72rem;
  font-weight: 750;
}

.price {
  color: var(--color-ink);
  font-weight: 850;
}

.price-sale {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.price-sale span {
  color: #1f7a4f;
}

.price-sale small {
  color: var(--color-muted);
  font-size: 0.78rem;
  text-decoration: line-through;
}

.price-sale em {
  padding: 3px 7px;
  border-radius: var(--radius-round);
  color: #1f7a4f;
  background: rgba(45, 139, 87, 0.12);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 900;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-label {
  color: var(--color-ink);
  font-size: 0.84rem;
  font-weight: 750;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-white);
}

.form-select {
  appearance: none;
  padding-right: 40px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
    linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 14px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.form-textarea {
  min-height: 92px;
  resize: vertical;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #81715a;
  background: #fffaf0;
}

.field-error {
  display: none;
  color: #6f5634;
  font-size: 0.78rem;
  font-weight: 700;
}

.field-error.show {
  display: block;
}

.segmented {
  display: grid;
  gap: 8px;
}

.segmented button {
  min-height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-muted);
  background: var(--color-white);
  font-weight: 750;
}

.segmented button.active {
  color: var(--color-ink);
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 104px;
  z-index: 80;
  max-width: min(420px, calc(100vw - 32px));
  padding: 13px 15px 13px 42px;
  border: 1px solid rgba(45, 139, 87, 0.24);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(251, 250, 247, 0.96)),
    var(--color-white);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.toast::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 5px rgba(45, 139, 87, 0.12);
  transform: translateY(-50%);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.faq-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px;
  border: 0;
  color: var(--color-ink);
  background: var(--color-white);
  font-weight: 800;
  text-align: left;
}

.faq-answer {
  display: none;
  padding: 0 16px 16px;
  color: var(--color-muted);
}

.faq-answer p {
  margin: 0;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-question span:last-child {
  color: var(--color-gold);
  transform: rotate(45deg);
}

.legal-summary {
  background:
    radial-gradient(circle at 8% 0%, rgba(201, 169, 97, 0.12), transparent 28%),
    linear-gradient(135deg, rgba(251, 250, 247, 0.94), rgba(255, 255, 255, 0.96)),
    var(--color-ivory);
}

.legal-grid {
  display: grid;
  gap: 14px;
}

.legal-grid article {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(201, 169, 97, 0.24);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(251, 250, 247, 0.94)),
    var(--color-white);
  box-shadow: 0 16px 42px rgba(25, 20, 13, 0.07);
  overflow: hidden;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s var(--ease);
}

.legal-grid article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 3px;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

.legal-grid article:hover {
  border-color: rgba(201, 169, 97, 0.46);
  box-shadow: 0 22px 56px rgba(25, 20, 13, 0.1);
  transform: translateY(-3px);
}

.legal-grid h3 {
  margin: 0 0 8px;
  color: var(--color-ink);
  font-family: var(--font-display);
}

.legal-grid p {
  margin: 0 0 10px;
  color: var(--color-muted);
}

.legal-grid a {
  color: var(--color-ink);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 4px;
}

@media (min-width: 820px) {
  .legal-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.demo-ribbon {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 9px 16px;
  background:
    linear-gradient(90deg, rgba(201, 169, 97, 0.18), transparent 34%, rgba(45, 139, 87, 0.2)),
    #0b120d;
  color: #ffffff;
  border-bottom: 1px solid rgba(201, 169, 97, 0.38);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
}