/* Layout: header, footer, containers */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-2xl);
  position: relative;
}

.section--tight {
  padding-block: var(--space-xl);
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cb-red);
  margin-bottom: var(--space-sm);
}

.section__head {
  margin-bottom: var(--space-xl);
  max-width: 40rem;
}

.section__head p {
  margin-top: var(--space-md);
}

/* —— Header —— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  /* blur fica no ::before — filter/backdrop no header prende position:fixed dos filhos */
  transition: box-shadow var(--dur) var(--ease-soft);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: transparent;
  transition: background var(--dur) var(--ease-soft), backdrop-filter var(--dur);
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--cb-border);
}

.site-header.is-scrolled::before {
  background: rgba(6, 7, 8, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
}

.site-header__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  z-index: 1002;
}

.logo img,
.logo__img {
  display: block;
  height: 44px;
  width: auto;
  max-width: min(160px, 42vw);
  object-fit: contain;
}

@media (max-width: 860px) {
  .logo img,
  .logo__img {
    height: 36px;
    max-width: 120px;
  }
}

.logo--footer img,
.logo--footer .logo__img {
  height: 56px;
  max-width: 220px;
}

.logo__mark {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.06em;
  color: var(--cb-text);
  line-height: 1;
}

.logo__mark span {
  color: var(--cb-yellow);
}

.logo__sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cb-silver);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cb-text-muted);
  position: relative;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--cb-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--cb-text);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cart-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--cb-border);
  color: var(--cb-text);
  transition: border-color var(--dur-fast), background var(--dur-fast);
}

.cart-btn:hover {
  border-color: var(--cb-yellow);
  background: rgba(245, 197, 24, 0.12);
}

.cart-btn__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--cb-red);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  transform: scale(0);
  transition: transform var(--dur-fast) var(--ease-out);
}

.cart-btn__badge.is-visible {
  transform: scale(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  z-index: 1002;
}

.nav-toggle__bars {
  width: 22px;
  height: 14px;
  position: relative;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cb-text);
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast);
}

.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 6px; }
.nav-toggle__bars span:nth-child(3) { top: 12px; }

.nav-toggle.is-open .nav-toggle__bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.is-open .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-open .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 960px) {
  .nav-toggle {
    display: grid;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.35rem;
    padding: calc(var(--header-h) + 1.5rem) 1.5rem 2rem;
    box-sizing: border-box;
    background: #060708;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--dur), visibility var(--dur), transform var(--dur) var(--ease-out);
    z-index: 1400;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav__link {
    font-size: 1.35rem;
    letter-spacing: 0.12em;
  }

  .nav__actions {
    margin-top: 1rem;
    flex-direction: column;
    width: min(100%, 220px);
  }

  .nav__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .logo,
  .nav-toggle {
    z-index: 1401;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .site-header {
    z-index: 1500;
  }

  body.nav-open .wa-float {
    visibility: hidden;
    pointer-events: none;
  }
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--cb-border);
  background: var(--cb-ink);
  padding-block: var(--space-xl) var(--space-lg);
  margin-top: var(--space-2xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-xl);
}

.footer__brand p {
  margin-top: var(--space-md);
  font-size: 0.9rem;
}

.footer__title {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cb-text);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__links a {
  color: var(--cb-text-muted);
  font-size: 0.9rem;
}

.footer__links a:hover {
  color: var(--cb-red);
}

.footer__contact li {
  color: var(--cb-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--cb-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--cb-text-dim);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* Floating WhatsApp */
.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.4);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast);
}

.wa-float:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.55);
}

.wa-float svg {
  width: 28px;
  height: 28px;
}

main {
  padding-top: 0;
}