/* ─────────────────────────────────────
   NAV — fundo 100%, conteúdo com io-wrap
───────────────────────────────────── */
.io-nav {
  width: 100%;
  background: var(--cream);
  border-bottom: 2px solid var(--ink);
  position: sticky; top: 0; z-index: 200;
  transition: box-shadow 0.3s;
}
.io-nav--scrolled { box-shadow: 0 4px 20px rgba(26,23,18,0.10); }

.io-nav__top {
  /* sem max-width aqui — deixa o fundo ir 100% */
  display: flex; align-items: stretch; height: 58px;
}

.io-nav__logo {
  display: flex; align-items: center; gap: 12px;
  padding: 0 5%;            /* respira igual ao io-wrap */
  border-right: 1.5px solid var(--ink);
  text-decoration: none; flex-shrink: 0;
  transition: background var(--transition);
}
.io-nav__logo:hover { background: var(--cream2); }
.io-nav__logo-mark {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--ink); flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.io-nav__logo:hover .io-nav__logo-mark { background: var(--ink); color: var(--cream); }
.io-nav__logo-text { font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.1; white-space: nowrap; }
.io-nav__logo-text span { color: var(--terra); }
.io-nav__logo-sub { font-family: var(--font-mono); font-size: 9px; color: #999; letter-spacing: 0.05em; }

.io-nav__links {
  display: flex; align-items: center;
  flex: 1; padding: 0 2%; gap: 4px;
}
.io-nav__menu { display: flex; align-items: center; gap: 4px; }
.io-nav__menu li a, .io-nav__link {
  display: block; font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink);
  text-decoration: none; padding: 6px 14px;
  border: 1.5px solid transparent; border-radius: 3px;
  transition: border-color var(--transition); white-space: nowrap;
}
.io-nav__menu li a:hover, .io-nav__link:hover { border-color: var(--ink); }
.io-nav__menu li.current-menu-item a { border-color: var(--terra); color: var(--terra); }

.io-nav__cta {
  margin-left: auto;
  font-family: var(--font-body); font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: #fff; background: var(--terra);
  text-decoration: none; padding: 0 5%;
  border-left: 1.5px solid var(--ink); align-self: stretch;
  display: flex; align-items: center; gap: 7px;
  transition: background var(--transition); white-space: nowrap; flex-shrink: 0;
}
.io-nav__cta:hover { background: var(--ink); }

/* Ticker — fundo 100% */
.io-nav__ticker {
  width: 100%;
  border-top: 1px solid var(--rule);
  background: var(--ink); height: 28px;
  overflow: hidden; display: flex; align-items: center;
}
.io-ticker__track {
  display: flex; white-space: nowrap;
  animation: io-ticker 30s linear infinite;
}
.io-ticker__track:hover { animation-play-state: paused; }
@keyframes io-ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.io-ticker__item {
  font-family: var(--font-mono); font-size: 10px; color: var(--cream);
  padding: 0 32px; letter-spacing: 0.06em;
  display: inline-flex; align-items: center; gap: 10px;
}
.io-ticker__dot { width: 4px; height: 4px; border-radius: 50%; background: var(--terra); flex-shrink: 0; }

@media (max-width: 768px) {
  .io-nav__top {
    height: 56px;          /* +4px → área de toque mais generosa */
    padding: 0 4%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .io-nav__links .io-nav__menu { display: none; }  /* menu desktop some */
  .io-nav__logo-sub { display: none; }
  /* CTA do desktop some — fica só o do drawer */
  .io-nav__links .io-nav__cta { display: none; }
}
@media (max-width: 480px) {
  .io-nav__ticker { display: none; }
  .io-nav__logo { padding: 0; }   /* padding já vem do io-nav__top */
  /* botão hamburger um pouco maior em telas muito pequenas */
  .io-nav__hamburger { width: 48px; height: 48px; }
}

/* ─────────────────────────────────────
   SKIP NAVIGATION — acessibilidade
───────────────────────────────────── */
.io-skip-nav {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 9999;
  background: var(--ink);
  color: var(--cream);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--terra);
  transition: top 0.2s;
}
.io-skip-nav:focus { top: 8px; }

/* ─────────────────────────────────────
   HAMBURGER — botão mobile
───────────────────────────────────── */
.io-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  margin-right: 12px;
  background: transparent;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}
.io-nav__hamburger:hover { background: var(--cream2); }
.io-nav__hamburger[aria-expanded="true"] { background: var(--ink); border-color: var(--ink); }
.io-nav__hamburger[aria-expanded="true"] .io-nav__hamburger-bar { background: var(--cream); }
.io-nav__hamburger-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}
/* Animação X ao abrir */
.io-nav__hamburger[aria-expanded="true"] .io-nav__hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.io-nav__hamburger[aria-expanded="true"] .io-nav__hamburger-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.io-nav__hamburger[aria-expanded="true"] .io-nav__hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─────────────────────────────────────
   DRAWER MOBILE
───────────────────────────────────── */
.io-nav__mobile-menu {
  display: none;                    /* invisible no desktop */
  max-height: 0;
  overflow: hidden;
  background: var(--cream);
  border-top: 1.5px solid var(--ink);
  transition: max-height 0.35s cubic-bezier(.77,0,.175,1);
}
.io-nav__mobile-menu.is-open { max-height: 500px; }

.io-nav__mobile-list {
  list-style: none;
  padding: 8px 0;
}
.io-nav__mobile-list li a {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding: 15px 5%;
  border-bottom: 1px solid rgba(26,23,18,0.07);
  transition: background var(--transition), padding-left var(--transition);
}
.io-nav__mobile-list li a:hover {
  background: var(--cream2);
  padding-left: calc(5% + 8px);
}
.io-nav__mobile-list li.current-menu-item a { color: var(--terra); }

.io-nav__mobile-cta {
  display: flex;
  margin: 16px 5% 20px;
  justify-content: center;
  width: calc(100% - 10%);
}

/* ─────────────────────────────────────
   RESPONSIVO — mostrar hamburger
───────────────────────────────────── */
@media (max-width: 768px) {
  .io-nav__hamburger { display: flex; }
  .io-nav__mobile-menu { display: block; }
  /* CTA do desktop some junto com o menu */
  .io-nav__links .io-nav__cta { display: none; }
}

/* ─────────────────────────────────────
   TICKER — respeita prefers-reduced-motion
───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .io-ticker__track { animation: none; }
  .io-ticker__track { overflow-x: auto; }
}