/* Site chrome: promo strip, header, navigation, footer. */

.os-promo {
  background: rgba(182, 255, 0, 0.045);
  border-bottom: 1px solid var(--os-line);
}

.os-promo__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--os-space-3);
  padding-block: 0.5rem;
  font-family: var(--os-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--os-muted);
  text-align: center;
}

.os-promo__count {
  color: var(--os-volt);
  font-variant-numeric: tabular-nums;
}

.os-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 7, 10, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--os-line);
}

.os-header__inner {
  display: flex;
  align-items: center;
  gap: var(--os-space-5);
  height: 68px;
}

.os-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.os-brand__mark {
  width: 26px;
  height: 26px;
  display: block;
}

.os-brand__word {
  font-family: var(--os-font-display);
  font-stretch: 84%;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.os-brand__tld {
  color: var(--os-muted);
  font-weight: 500;
}

.os-nav {
  display: flex;
  align-items: center;
  gap: var(--os-space-6);
  margin-inline: auto;
}

.os-nav__link {
  position: relative;
  font-family: var(--os-font-mono);
  font-size: var(--os-step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--os-muted);
  padding-block: 0.5rem;
  transition: color 160ms ease;
}

.os-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--os-volt);
  transition: width 200ms ease;
}

.os-nav__link:hover {
  color: var(--os-text);
}

.os-nav__link:hover::after {
  width: 100%;
}

.os-header__actions {
  display: flex;
  align-items: center;
  gap: var(--os-space-3);
  flex-shrink: 0;
}

.os-nav-toggle {
  display: none;
  margin-left: auto;
}

.os-nav-toggle__bars {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 5px currentColor, 0 -5px currentColor;
}

@media (max-width: 991px) {
  .os-nav,
  .os-header__actions {
    display: none;
  }

  .os-nav-toggle {
    display: inline-flex;
  }

  .os-header.is-open .os-nav,
  .os-header.is-open .os-header__actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--os-space-4);
    width: 100%;
  }

  .os-header.is-open {
    background: var(--os-ink);
  }

  .os-header.is-open .os-header__inner {
    flex-wrap: wrap;
    height: auto;
    padding-bottom: var(--os-space-5);
    gap: var(--os-space-4);
  }

  /* No menu mobile aberto, o dropdown de perfil vira uma lista inline —
     evita "menu dentro de menu" (2 toques pra chegar em Sair). */
  .os-header.is-open .os-profile__menu {
    position: static;
    display: flex;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    margin-top: var(--os-space-2);
  }
}

/* --- Profile menu (header, usuario logado) ------------------------------ */

.os-profile {
  position: relative;
}

.os-profile__trigger {
  display: flex;
  align-items: center;
  gap: var(--os-space-2);
  padding: 0.3125rem 0.625rem 0.3125rem 0.3125rem;
  border: 1px solid var(--os-line);
  border-radius: 999px;
  background: transparent;
  color: var(--os-text);
  cursor: pointer;
  transition: border-color 160ms ease;
}

.os-profile__trigger:hover,
.os-profile[data-open] .os-profile__trigger {
  border-color: var(--os-line-strong);
}

.os-profile__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--os-volt-wash);
  color: var(--os-volt);
  font-family: var(--os-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.os-profile__name {
  font-family: var(--os-font-mono);
  font-size: var(--os-step--1);
  max-width: 9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.os-profile__menu {
  position: absolute;
  right: 0;
  top: calc(100% + var(--os-space-2));
  z-index: 60;
  display: flex;
  flex-direction: column;
  min-width: 12rem;
  padding: var(--os-space-2);
  border: 1px solid var(--os-line);
  border-radius: var(--os-radius-lg);
  background: var(--os-ink-raised);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
}

.os-profile.is-open .os-profile__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.os-profile__link {
  display: block;
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: 0;
  border-radius: var(--os-radius);
  background: transparent;
  color: var(--os-text-dim);
  font-family: var(--os-font-body);
  font-size: var(--os-step--1);
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease;
}

.os-profile__link:hover {
  background: rgba(138, 148, 166, 0.08);
  color: var(--os-text);
}

.os-profile__link--logout {
  color: var(--os-red);
}

.os-profile__logout {
  margin: 0;
}

/* --- Footer ------------------------------------------------------------- */

.os-footer {
  border-top: 1px solid var(--os-line);
  background: var(--os-ink-sunken);
  padding-block: var(--os-space-7);
}

.os-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--os-space-5);
  padding-bottom: var(--os-space-5);
  border-bottom: 1px solid var(--os-line);
}

.os-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--os-space-5);
}

.os-footer__link {
  font-family: var(--os-font-mono);
  font-size: var(--os-step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--os-muted);
  transition: color 160ms ease;
}

.os-footer__link:hover {
  color: var(--os-text);
}

.os-footer__legal {
  display: grid;
  gap: var(--os-space-3);
  padding-top: var(--os-space-5);
  max-width: 72ch;
}

.os-age {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--os-line-strong);
  border-radius: 50%;
  font-family: var(--os-font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--os-muted);
  flex-shrink: 0;
}