/* ==========================================================================
   Components — Marmoraria Rei da Vila
   Botões, cards, accordions, formulário, depoimentos, materiais, WhatsApp
   ========================================================================== */

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-base);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.1px;
  line-height: 1;
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-premium),
    background-color var(--duration-fast) var(--ease-premium),
    color var(--duration-fast) var(--ease-premium),
    border-color var(--duration-fast) var(--ease-premium);
  white-space: nowrap;
  text-align: center;
}

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
}

.btn--accent:hover {
  background-color: var(--color-accent-hover);
}

.btn--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.btn--dark:hover {
  background-color: #26262e;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn--outline-light:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

/* ---------- Badge / Label ---------- */
.badge {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* ---------- Cards de diferenciais ---------- */
.feature-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: transform var(--duration-base) var(--ease-premium),
    box-shadow var(--duration-base) var(--ease-premium);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--color-card-light);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
}

.feature-card__title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.4px;
  margin-bottom: var(--space-1);
}

.feature-card__text {
  color: var(--color-text-secondary);
  font-size: 16px;
}

/* ---------- Accordion (Serviços e FAQ) ---------- */
.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  text-align: left;
  font-family: var(--font-base);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  letter-spacing: -0.4px;
  color: var(--color-text-primary);
  transition: color var(--duration-fast) var(--ease-premium);
}

.accordion__header:hover {
  color: var(--color-accent);
}

.accordion__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  position: relative;
  transition: transform var(--duration-base) var(--ease-premium);
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background-color: currentColor;
  transition: opacity var(--duration-base) var(--ease-premium);
}

.accordion__icon::before {
  top: 50%;
  left: 6px;
  right: 6px;
  height: 2px;
  transform: translateY(-50%);
}

.accordion__icon::after {
  left: 50%;
  top: 6px;
  bottom: 6px;
  width: 2px;
  transform: translateX(-50%);
}

.accordion__item.is-open .accordion__icon::after {
  opacity: 0;
}

.accordion__item.is-open .accordion__header {
  color: var(--color-accent);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-premium);
}

.accordion__content-inner {
  padding: 0 0 var(--space-3);
  color: var(--color-text-secondary);
  font-size: 18px;
  max-width: 60ch;
}

/* ---------- Cards de materiais ---------- */
.material-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-dark);
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}

.material-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-premium);
}

.material-card:hover .material-card__img {
  transform: scale(1.05);
}

.material-card__overlay {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-4);
  background: linear-gradient(
    to top,
    rgba(16, 16, 20, 0.9) 0%,
    rgba(16, 16, 20, 0.55) 50%,
    rgba(16, 16, 20, 0) 100%
  );
  color: var(--color-text-inverse);
}

.material-card__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500;
  letter-spacing: -0.4px;
  margin-bottom: var(--space-1);
}

.material-card__text {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
}

/* ---------- Portfólio ---------- */
.portfolio-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
}

.portfolio-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-premium);
}

.portfolio-card:hover .portfolio-card__img {
  transform: scale(1.06);
}

.portfolio-card__body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-4);
  background: linear-gradient(
    to top,
    rgba(16, 16, 20, 0.85) 0%,
    rgba(16, 16, 20, 0) 100%
  );
}

.portfolio-card__tag {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

.portfolio-card__title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  letter-spacing: -0.4px;
  color: var(--color-text-inverse);
}

/* ---------- Depoimentos ---------- */
.testimonial-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  height: 100%;
}

.testimonial-card__stars {
  color: var(--color-accent);
  font-size: 18px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  color: var(--color-text-secondary);
  font-size: 16px;
  flex-grow: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 500;
  font-size: 16px;
}

.testimonial-card__source {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ---------- Formulário ---------- */
.form__group {
  margin-bottom: var(--space-3);
}

.form__label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  margin-bottom: var(--space-1);
  color: var(--color-text-inverse);
}

.form__control {
  width: 100%;
  padding: 14px 16px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  color: var(--color-text-inverse);
  font-size: 16px;
  transition: border-color var(--duration-fast) var(--ease-premium),
    background-color var(--duration-fast) var(--ease-premium);
}

.form__control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form__control:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.1);
}

.form__control--select {
  appearance: none;
  -webkit-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='%23c9a961' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.form__control--select option {
  color: var(--color-text-primary);
}

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

.form__control.is-invalid {
  border-color: #e5484d;
}

.form__error {
  display: block;
  font-size: 13px;
  color: #ff9ea1;
  margin-top: 6px;
  min-height: 0;
}

.form__feedback {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  margin-top: var(--space-2);
  display: none;
}

.form__feedback.is-visible {
  display: block;
}

.form__feedback--success {
  background-color: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.5);
  color: #7ff0ab;
}

.form__feedback--error {
  background-color: rgba(229, 72, 77, 0.15);
  border: 1px solid rgba(229, 72, 77, 0.5);
  color: #ff9ea1;
}

/* ---------- Botão flutuante WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-whatsapp);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-pill);
  background-color: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-fast) var(--ease-premium);
  animation: whatsapp-pulse 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: #ffffff;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  font-size: 14px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-premium);
}

.whatsapp-float:hover .whatsapp-float__tooltip,
.whatsapp-float:focus-visible .whatsapp-float__tooltip {
  opacity: 1;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6), var(--shadow-lg);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0), var(--shadow-lg);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), var(--shadow-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    animation: none;
  }
}