/* ==========================================================================
   Layout — contêineres, cabeçalho e rodapé
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section[id] {
  scroll-margin-top: 5rem;
}

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-nav);
  padding-block: 1rem;
  border-bottom: 1px solid rgba(80, 62, 43, 0.08);
  background: var(--color-offwhite);
  transition: padding var(--duration-base) var(--ease-soft),
    background-color var(--duration-base) var(--ease-soft),
    border-color var(--duration-base) var(--ease-soft);
}

.site-header.is-scrolled {
  padding-block: 0.65rem;
  border-bottom-color: rgba(80, 62, 43, 0.1);
  background: var(--color-offwhite);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
}

.brand__logo {
  width: clamp(10.5rem, 16vw, 13.5rem);
  height: auto;
}

.brand__logo--footer {
  width: clamp(13rem, 22vw, 16rem);
}

.nav-desktop {
  display: none;
}

.nav-desktop__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.6vw, 1.75rem);
}

.nav-desktop__list a {
  position: relative;
  color: var(--color-brown-900);
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-desktop__list a::after {
  content: '';
  position: absolute;
  right: 100%;
  bottom: -0.3rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transition: right var(--duration-base) var(--ease-soft);
}

.nav-desktop__list a:hover::after,
.nav-desktop__list a:focus-visible::after {
  right: 0;
}

@media (min-width: 980px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 2vw, 2.25rem);
  }
}

.nav-toggle {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle__bar {
  width: 22px;
  height: 1.5px;
  background: var(--color-brown-900);
  transition: transform var(--duration-base) var(--ease-soft), opacity var(--duration-base) var(--ease-soft);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 980px) {
  .nav-toggle { display: none; }
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--container-pad);
  background: var(--color-warmwhite);
  color: var(--color-brown-900);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-soft),
    transform var(--duration-base) var(--ease-soft),
    visibility 0s linear var(--duration-base);
}

.nav-mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.nav-mobile__list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 7vw, 2.35rem);
}

.nav-mobile__close {
  position: absolute;
  top: 1rem;
  right: var(--container-pad);
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
}

.nav-mobile__close svg { stroke: var(--color-brown-900); }
.nav-mobile__cta { align-self: flex-start; margin-top: 2rem; }

@media (min-width: 980px) {
  .nav-mobile { display: none; }
}

/* Rodapé */

.site-footer {
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
  border-top: 1px solid rgba(80, 62, 43, 0.1);
  background: var(--color-bg);
  color: var(--color-brown-900);
}

.footer-main {
  display: grid;
  gap: 2.5rem;
}

.footer-brand > p {
  max-width: 29rem;
  margin-top: 1rem;
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
}

.footer-contact h2 {
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-contact a,
.footer-contact address {
  color: var(--color-text-soft);
  font-size: 0.9rem;
  font-style: normal;
}

.footer-contact a:hover,
.footer-contact a:focus-visible,
.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--color-brown-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-contact address a {
  display: inline;
  text-decoration: underline;
  text-decoration-color: rgba(80, 62, 43, 0.28);
  text-underline-offset: 3px;
}

.footer-bottom {
  display: flex;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(80, 62, 43, 0.1);
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  color: var(--color-text-soft);
  font-size: 0.78rem;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-legal a {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(80, 62, 43, 0.28);
  text-underline-offset: 0.22em;
}

@media (min-width: 720px) {
  .footer-main {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}