/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--navy);
  border-radius: 999px;
  background: var(--navy);
  color: var(--cream);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn:hover {
  background: var(--terracota-ink);
  border-color: var(--terracota-ink);
}

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

.btn--sm {
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.btn--light {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--navy);
}

.btn--light:hover {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--navy-deep);
}

@media (min-width: 40rem) {
  .btn--lg {
    width: auto;
    padding-inline: 1.75rem;
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
  }
}

.cta-block {
  display: grid;
  gap: 0.9rem;
  margin-top: 2rem;
  justify-items: start;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(243 236 228 / 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: block;
  flex: none;
}

.brand img {
  width: clamp(11rem, 8rem + 12vw, 14.5rem);
  height: auto;
}

/* Botão flutuante (mobile) */
.fab {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--cream);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 10px 28px -8px rgb(36 54 66 / 0.55);
  transform: translateY(0);
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}

.fab[hidden] {
  display: none;
}

.fab.is-away {
  opacity: 0;
  pointer-events: none;
  transform: translateY(1rem);
}

@media (min-width: 64rem) {
  .fab {
    display: none;
  }
}

/* Revelar ao rolar */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Moldura em arco (eco do símbolo da marca) */
.arch {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-arch);
  background: var(--sand);
}

.arch img,
.arch picture {
  width: 100%;
  height: 100%;
}

.arch img {
  object-fit: cover;
}

.nowrap {
  white-space: nowrap;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-underline-offset: 0.35em;
  transition: text-decoration-color 0.3s var(--ease);
}

.link-arrow:hover {
  text-decoration-color: currentColor;
}