.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 254, 250, 0.12);
  background: rgba(5, 5, 4, 0.86);
  color: var(--color-paper);
  backdrop-filter: blur(18px);
}

.site-header__inner,
.site-footer__inner {
  width: min(100% - (var(--page-gutter) * 2), var(--wide));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand__logo {
  width: clamp(8.2rem, 8.2vw, 9.7rem);
  height: auto;
  display: block;
  filter: invert(1) grayscale(1) contrast(1.2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.35vw, 2.45rem);
}

.site-nav a {
  font-family: var(--font-main);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: rgba(255, 254, 250, 0.64);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 254, 250, 0.24);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-paper);
  transition: transform 180ms ease;
}

.nav-toggle span + span {
  margin-top: 5px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.section-label,
.kicker {
  margin: 0 0 0.9rem;
  color: currentColor;
  font-family: var(--font-main);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
  opacity: 0.62;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.34rem;
  border: 1px solid var(--color-ink);
  border-radius: 0;
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-main);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.button:hover {
  transform: translateY(-1px);
  background: transparent;
  color: var(--color-ink);
}

.button--light {
  border-color: var(--color-paper);
  background: var(--color-paper);
  color: var(--color-ink);
}

.button--light:hover {
  background: transparent;
  color: var(--color-paper);
}

.button--ghost-light {
  border-color: rgba(255, 254, 250, 0.48);
  background: transparent;
  color: var(--color-paper);
}

.button--ghost-light:hover {
  border-color: var(--color-paper);
  background: var(--color-paper);
  color: var(--color-ink);
}

.button--compact {
  min-height: 42px;
  width: fit-content;
  padding: 0.72rem 1rem;
  font-size: 0.74rem;
}

.button--whatsapp-action {
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  border-color: rgba(16, 57, 40, 0.2);
  border-radius: 999px;
  background: #fff;
  color: #103928;
  font-size: 0.78rem;
  font-weight: 850;
}

.button--whatsapp-action:hover {
  border-color: rgba(16, 57, 40, 0.32);
  background: #f3fbf6;
  color: #103928;
}

.button--whatsapp-action:focus-visible {
  outline: 3px solid rgba(37, 211, 102, 0.34);
  outline-offset: 3px;
}

.button--whatsapp-action img {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  display: block;
}

.text-link {
  display: inline-block;
  color: inherit;
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 900;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.24em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: 1.35rem;
  color: var(--color-muted);
}

.site-footer--dark {
  border-top-color: var(--color-light-line);
  background: var(--color-black);
  color: rgba(255, 254, 250, 0.64);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  font-weight: 650;
}

.site-footer p {
  margin: 0;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__links a,
.site-footer__social a {
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.22em;
}

.site-footer__links a:hover,
.site-footer__social a:hover {
  color: var(--color-paper);
}

.site-footer__social {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-right: clamp(4rem, 7vw, 6.5rem);
}

.site-footer__social a {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 254, 250, 0.18);
  color: rgba(255, 254, 250, 0.64);
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-footer__social a:hover {
  border-color: rgba(255, 254, 250, 0.56);
  transform: translateY(-1px);
}

.site-footer__social svg {
  width: 16px;
  height: 16px;
  display: block;
  fill: currentColor;
}

.scroll-top {
  position: fixed;
  right: clamp(1rem, 2.4vw, 2rem);
  bottom: clamp(1rem, 2.4vw, 2rem);
  z-index: 40;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 254, 250, 0.28);
  background: rgba(5, 5, 4, 0.88);
  color: var(--color-paper);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top:hover {
  border-color: var(--color-paper);
}

@media (max-width: 760px) {
  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) var(--page-gutter) auto;
    display: grid;
    gap: 0;
    padding: 0.45rem;
    border: 1px solid rgba(255, 254, 250, 0.18);
    background: var(--color-black);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

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

  .site-nav a {
    padding: 0.95rem;
  }

  .site-footer__inner {
    display: grid;
    justify-items: start;
  }

  .site-footer__social {
    margin-right: 0;
  }

  .scroll-top {
    right: 1rem;
    bottom: 1rem;
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}