/* `body > header` evita vazar sticky/z-index/background para <header>
   semânticos dentro do conteúdo (ex.: .editorial-header da entrevista). */
body > header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-color);
  box-sizing: border-box;
  will-change: transform;
  border-bottom: 1px solid transparent;
  transition:
    transform var(--dur-base) var(--ease-out),
    background-color var(--dur-base) ease,
    border-color var(--dur-base) ease,
    box-shadow var(--dur-base) ease;
}

body > header.nav-hidden {
  transform: translateY(-100%);
}

body > header.nav-scrolled {
  background-color: var(--bg-color);
  border-bottom-color: var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

/* Trava de segurança: com o menu ativo, garante viewport estática */
body.menu-is-active > header,
body.nav-is-leaving > header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  transform: none !important;
  will-change: auto !important;
  background-color: transparent !important;
  border-bottom-color: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

nav {
  width: 100%;
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 100;
  background: transparent;
  box-sizing: border-box;
}

nav .text-title {
  color: var(--accent-color);
  font-size: 1.5rem;
  line-height: normal;
  position: relative;
  z-index: 10000;
  transition: color var(--dur-base) ease;
}

nav .text-title:hover {
  text-decoration: none;
  color: var(--shade-color);
}

.nav-menu-container {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.hamburger-btn {
  display: none;
  width: 24px;
  height: 24px;
  position: relative;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 10000;
}

.hamburger-btn .hamburger-line {
  position: absolute;
  left: 0;
  width: 24px;
  height: 1px;
  background-color: var(--text-main);
  border-radius: 1px;
  transition:
    top var(--dur-base) ease,
    transform var(--dur-base) ease,
    opacity var(--dur-fast) ease,
    background-color var(--dur-base) ease;
}

.hamburger-btn .hamburger-line:nth-child(1) {
  top: 4px;
}

.hamburger-btn .hamburger-line:nth-child(2) {
  top: 11px;
}

.hamburger-btn .hamburger-line:nth-child(3) {
  top: 18px;
}

@media (min-width: 1201px) {
  .nav-bubbles,
  .nav-overlay-footer {
    display: none;
  }

  .nav-links-inner {
    display: flex;
    gap: 1.5rem;
    align-items: center;
  }
}

@media (max-width: 1200px) {
  .hamburger-btn {
    display: block;
  }

  /* "X" simétrico: as linhas convergem no centro (11px) */
  body.menu-is-active .hamburger-btn .hamburger-line:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
  }

  body.menu-is-active .hamburger-btn .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  body.menu-is-active .hamburger-btn .hamburger-line:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
  }

  /* Overlay de tela inteira com sangria estendida para anular o recorte do Safari */
  nav .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: -160px;
    width: 100vw;
    min-height: 120vh;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    box-sizing: border-box;
    background: transparent;
    border: none;
    overflow: hidden;

    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition:
      opacity var(--dur-base) ease 0.1s,
      visibility 0s linear 0.35s;
  }

  body.menu-is-active nav .nav-links {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transition: opacity 0.1s ease 0s;
  }

  /* As 4 bolhas cobrem tudo; o fill tardio de 0.5s foi removido porque
     piscava de vinho no canto superior, hoje coberto pelo b-tl. */
  .nav-bubbles {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -180px;
    overflow: hidden;
    z-index: 1;
    background-color: transparent;
  }

  .bubble-shape {
    position: absolute;
    width: 150vmax;
    height: 150vmax;
    background-color: var(--bg-color);
    border-radius: 50%;
    transform: scale(0);
    will-change: transform;
    transition: transform var(--dur-base) var(--ease-in-out) 0s;
  }

  .b-tr {
    top: -75vmax;
    right: -75vmax;
  }
  /* 4º canto: cobre o topo-esquerdo (relógio/bateria), que antes só o fill
     atrasado cobria e fazia o Safari parecer travar. */
  .b-tl {
    top: -30vmax;
    left: -75vmax;
  }
  .b-bl {
    bottom: -75vmax;
    left: -75vmax;
  }
  .b-br {
    bottom: -75vmax;
    right: -75vmax;
  }

  body.menu-is-active .bubble-shape {
    transform: scale(1.2);
    transition: transform var(--dur-slow) var(--ease-out);
  }

  body.menu-is-active .b-tr {
    transition-delay: 0.1s;
  }
  body.menu-is-active .b-tl {
    transition-delay: 0.1s;
  }
  body.menu-is-active .b-bl {
    transition-delay: 0.4s;
  }
  body.menu-is-active .b-br {
    transition-delay: 0.3s;
  }

  .nav-links-inner {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    margin: 28svh 6vw 0;
  }

  .nav-links-inner a {
    font-family: "Lugati", Georgia, serif;
    font-size: clamp(2.4rem, 8vw, 3.4rem);
    font-weight: 600;
    color: var(--text-main);
    text-decoration: none;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity var(--dur-fast) ease,
      transform var(--dur-fast) ease,
      color var(--dur-fast) ease;
  }

  body.menu-is-active .nav-links-inner a {
    opacity: 1;
    transform: translateY(0);
    transition:
      opacity var(--dur-base) ease,
      transform var(--dur-base) ease,
      color var(--dur-fast) ease;
  }

  body.menu-is-active .nav-links-inner a:nth-child(1) {
    transition-delay: 0.4s;
  }
  body.menu-is-active .nav-links-inner a:nth-child(2) {
    transition-delay: 0.48s;
  }
  body.menu-is-active .nav-links-inner a:nth-child(3) {
    transition-delay: 0.56s;
  }

  .nav-links-inner a:hover {
    color: var(--accent-color);
    transform: translateX(8px);
  }

  /* Rodapé: desvanece rápido ao fechar, sobe com atraso ao abrir */
  .nav-overlay-footer {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5vw calc(160px + env(safe-area-inset-bottom, 20px) + 2.25rem) 5vw;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    opacity: 0;
    transition: opacity 0.1s ease 0s;
  }

  body.menu-is-active .nav-overlay-footer {
    opacity: 0.85;
    transition: opacity var(--dur-base) ease 0.35s;
  }

  .nav-overlay-footer a {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-main);
    text-decoration: none;
  }

  body.nav-is-leaving .nav-links-inner,
  body.nav-is-leaving .nav-overlay-footer,
  body.nav-is-leaving .hamburger-btn,
  body.nav-is-leaving nav .text-title {
    opacity: 0 !important;
    transition: opacity var(--dur-fast) ease !important;
  }

  body.nav-is-leaving .bubble-shape {
    transform: scale(1.2) !important;
    transition: none !important;
  }
}