/* Navegação unificada: menu desktop + drawer mobile */
/* Regra base: esconde drawer fora do breakpoint mobile */
.nav-drawer { display:none; }

.nav-toggle-btn {
  display: none;
}

@media (min-width: 1101px) {
  .nav-toggle-btn {
    display: none !important;
  }
}

/* Mantém proporção da logo no header em todos os breakpoints */
.navbar .nav-brand picture {
  width: auto;
  max-width: min(320px, 70vw);
  display: flex;
  align-items: center;
}

.navbar .nav-brand picture img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: clamp(44px, 6vw, 56px);
}

.navbar .nav-brand .logo {
  width: auto;
  height: auto;
  max-width: min(320px, 70vw);
  max-height: clamp(44px, 6vw, 56px);
  flex-shrink: 0;
}

.header.scrolled .nav-brand picture img,
.header.scrolled .nav-brand .logo {
  max-height: 48px;
}

/* Mobile primeiro */
@media (max-width: 1100px) {
  .navbar .container { position: relative; }
  .navbar .nav-brand .logo {
    height: auto;
    max-height: 44px;
    max-width: min(240px, 60vw);
  }
  .nav-toggle-btn {
    position: relative;
    top: 0;
    right: 0;
    bottom: auto;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 4px 14px -2px rgba(0, 0, 0, 0.35);
    margin-right: var(--spacing-base, 0.75rem);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color, #2c5aa0);
    color: #fff;
    border: 0;
    cursor: pointer;
    font-size: 1.9rem;
    line-height: 1;
    transition: background 0.25s ease, transform 0.25s ease;
  }
  .nav-toggle-btn:active { transform: scale(0.9); }
  .nav-toggle-btn:hover,
  .nav-toggle-btn:focus-visible {
    background: var(--primary-dark, #1e3a6f);
    outline: none;
  }
  .nav-toggle-btn span {
    position: absolute;
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }
  .nav-toggle-btn span:nth-child(1){ transform:translateY(-6px); }
  .nav-toggle-btn span:nth-child(3){ transform:translateY(6px); }
  .nav-toggle-btn[aria-expanded="true"] span:nth-child(1){ transform:rotate(45deg); }
  .nav-toggle-btn[aria-expanded="true"] span:nth-child(2){ opacity:0; }
  .nav-toggle-btn[aria-expanded="true"] span:nth-child(3){ transform:rotate(-45deg); }
  /* Oculta lista original no mobile (será clonada para drawer) */
  .nav-menu { display:none !important; }

  /* Drawer layering */
  .nav-drawer { display:flex; position:fixed; inset:0; z-index:12000; pointer-events:none; }
  .nav-drawer::before { content:""; position:absolute; inset:0; background:rgba(15,18,25,0.78); -webkit-backdrop-filter:blur(10px) saturate(140%); backdrop-filter:blur(10px) saturate(140%); opacity:0; transition:opacity .35s ease; }
  .nav-drawer[aria-hidden="false"] { pointer-events:auto; }
  .nav-drawer[aria-hidden="false"]::before { opacity:1; }
  .nav-drawer-panel { position:relative; width:78%; max-width:320px; background:linear-gradient(145deg,#1c2532,#121921); box-shadow:4px 0 22px -8px rgba(0,0,0,.55); transform:translateX(-100%); display:flex; flex-direction:column; padding:4.5rem 1.1rem 2.5rem; gap:.25rem; overflow-y:auto; transition:transform .45s cubic-bezier(.32,.72,.23,1); }
  .nav-drawer[aria-hidden="false"] .nav-drawer-panel { transform:translateX(0); }
  .nav-drawer-close { position:absolute; top:10px; right:10px; background:rgba(255,255,255,0.08); color:#fff; border:1px solid rgba(255,255,255,0.18); width:42px; height:42px; border-radius:12px; font-size:1.7rem; line-height:1; display:grid; place-items:center; cursor:pointer; transition:background .25s, transform .25s; }
  .nav-drawer-close:hover { background:rgba(255,255,255,0.16); }
  .nav-drawer-close:active { transform:scale(.9); }
  .nav-drawer-close:focus-visible { outline:2px solid #5fb2ff; outline-offset:3px; }
  .nav-drawer-list { list-style:none; margin:0; padding:0; }
  .nav-drawer-list li { opacity:0; transform:translateX(-12px); animation:drawerItem .55s ease forwards; }
  /* Delays de animação aplicados inline via JS ao abrir; nenhuma regra específica necessária aqui. */
  @keyframes drawerItem { to { opacity:1; transform:translateX(0); } }
  .nav-drawer-list a { display:block; padding:.95rem .75rem; border-radius:.75rem; text-decoration:none; font-weight:500; font-size:1.05rem; letter-spacing:.25px; color:#f3f7fa; transition:background .25s, color .25s, transform .25s; position:relative; }
  .nav-drawer-list a:hover { background:rgba(255,255,255,0.08); }
  .nav-drawer-list a:active { transform:translateY(1px); background:rgba(255,255,255,0.14); }
  .nav-drawer-list a:focus-visible { outline:2px solid #5fb2ff; outline-offset:3px; }
  .nav-drawer-list a.active, .nav-drawer-list a.is-active { background:linear-gradient(135deg,#226dff,#19b5ff); color:#fff; font-weight:600; box-shadow:0 3px 10px -2px rgba(25,130,255,.45); }
  /* Scrollbar */
  .nav-drawer-panel::-webkit-scrollbar { width:10px; }
  .nav-drawer-panel::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.2); border-radius:20px; border:2px solid transparent; background-clip:content-box; }
  .nav-drawer-panel::-webkit-scrollbar-thumb:hover { background:rgba(255,255,255,0.3); }
  html.nav-lock, body.nav-lock { overflow:hidden; }
}

/* Desktop mantém estilo já definido em style.css, apenas garante display flex */
@media (min-width: 1101px){
  .nav-menu { display:flex; }
}

@media (prefers-color-scheme: light) and (max-width:1100px){
  .nav-menu { background:rgba(250,252,255,0.9); color:#1b2330; box-shadow:0 0 0 1px rgba(0,20,40,.08),0 8px 28px -6px rgba(0,0,0,.20),0 4px 12px -2px rgba(0,0,0,.12); }
  .nav-menu .nav-link { color:#18202b; }
  .nav-menu .nav-link:hover { background:rgba(0,0,0,.06); color:var(--primary-dark,#1e3a6f); }
  .nav-menu .nav-link.is-active { background:linear-gradient(135deg,#0d62ff,#0791ff); }
}