/* ============================================================
   nav2.css — Menu acessível (desktop + mobile) e otimizações de layout
   Substitui a mecânica antiga do mega menu (hover frágil) por clique + ponte de hover.
   ============================================================ */

/* ---------- Skip link (acessibilidade) ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--primary); color: #fff; padding: .75rem 1.2rem; border-radius: 0 0 10px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- Nav base ---------- */
.nav-inner { gap: 1.5rem; }
.nav-links { gap: 22px; }
.nav-links > a, .nav-trigger {
  font-size: 14.5px; font-weight: 500; color: var(--text-2); transition: color .2s;
  position: relative; background: none; border: 0; cursor: pointer; padding: 6px 0;
  font-family: inherit; display: inline-flex; align-items: center; gap: .3rem;
}
.nav-links > a:hover, .nav-trigger:hover, .nav-trigger[aria-expanded="true"] { color: var(--text); }
.nav-links > a::after, .nav-trigger::after {
  content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px;
  background: var(--grad-primary); border-radius: 2px; transition: width .3s;
}
.nav-links > a:hover::after, .nav-trigger:hover::after, .nav-trigger[aria-expanded="true"]::after { width: 100%; }

/* foco visível em tudo que é interativo no nav */
.nav a:focus-visible, .nav button:focus-visible,
.mega-panel a:focus-visible, .drop-panel a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px;
}

.caret { display: inline-block; font-size: .68em; opacity: .8; transition: transform .25s; }
.nav-trigger[aria-expanded="true"] .caret { transform: rotate(180deg); }

/* ---------- MEGA MENU: abre por clique, com ponte de hover (sem gap morto) ---------- */
.mega-wrap, .drop-wrap { position: relative; }
.mega-panel, .drop-panel {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(6px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 80;
}
/* ponte invisível: cobre o espaço entre o botão e o painel */
.mega-panel::before, .drop-panel::before {
  content: ""; position: absolute; top: -16px; left: 0; right: 0; height: 16px;
}
.mega-wrap.open .mega-panel, .drop-wrap.open .drop-panel {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
/* hover de cortesia só em dispositivos com mouse; mantém aberto ao mover para o painel */
@media (hover: hover) and (pointer: fine) and (min-width: 1101px) {
  .mega-wrap:hover .mega-panel, .drop-wrap:hover .drop-panel {
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
}

.mega-panel {
  width: min(1010px, calc(100vw - 36px));
  margin-top: 12px; padding: .9rem 1rem 1rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-3) 100%);
  border: 1px solid var(--border-strong); border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,.62);
  display: grid; grid-template-columns: 232px 1fr 268px; gap: 1rem;
  max-height: min(78vh, 660px);
}
.mega-panel > div { min-width: 0; }
.mega-panel > div:nth-child(2) { max-height: min(74vh, 620px); overflow-y: auto; padding-right: .35rem; }
.mega-panel > div:nth-child(2)::-webkit-scrollbar { width: 5px; }
.mega-panel > div:nth-child(2)::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.drop-panel {
  min-width: 250px; margin-top: 14px; padding: .65rem;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0,0,0,.55);
}

/* ---------- Otimizações de layout (desktop) ---------- */
@media (min-width: 1280px) {
  .container { max-width: 1260px; }
  .section { padding: 108px 0; }
  .gov-hero { padding: 9.5rem 0 6rem; }
  .page-hero { padding: 10rem 0 4rem; }
  .section-title { font-size: clamp(1.9rem, 2.6vw, 2.6rem); }
}
@media (min-width: 1600px) {
  .container { max-width: 1360px; }
}

/* grids mais equilibrados no desktop */
@media (min-width: 1101px) {
  .ind-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .audience-grid, .usecase-grid, .gov-grid { gap: 1.5rem; }
  .case-band { padding: 2.6rem 2.8rem; }
  .chat-panel { padding: 1.45rem 1.5rem 1.25rem; }
}

/* ---------- MOBILE / TABLET: menu deslizante com acordeões ---------- */
@media (max-width: 1100px) {
  .nav-burger { display: block; }

  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
    background: rgba(5, 6, 10, .985); backdrop-filter: blur(22px);
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 1rem 1.25rem 2.5rem; border-bottom: 1px solid var(--border);
    transform: translateY(-130%); transition: transform .38s cubic-bezier(.3,.7,.3,1);
    z-index: 70;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links > a, .nav-trigger {
    font-size: 17px; padding: 14px 4px; width: 100%; justify-content: space-between;
    border-bottom: 1px solid var(--border);
  }
  .nav-links > a::after, .nav-trigger::after { display: none; }
  .nav-cta { margin: 16px 0 0; justify-content: center; }

  /* mega menu e dropdown viram blocos acordeão dentro do menu */
  .mega-panel, .drop-panel {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    width: 100%; min-width: 0; margin: 0; box-shadow: none; border-radius: 12px;
    display: none; grid-template-columns: 1fr; padding: .9rem; gap: .8rem;
    background: rgba(255,255,255,.02); border-color: var(--border);
  }
  .mega-panel::before, .drop-panel::before { display: none; }
  .mega-wrap.open .mega-panel, .drop-wrap.open .drop-panel { display: grid; }
  .drop-wrap.open .drop-panel { display: block; }
  .mega-col-title:not(:first-child) { margin-top: .6rem; }

  /* coluna 2 e 3 ficam empilhadas e sempre visíveis no mobile */
  .mega-sub { display: none; }
  .mega-sub.active { display: flex; }
  .mega-sub-case { display: none !important; }
  .mega-case { margin-top: .4rem; }

  .mega-subs { grid-template-columns: 1fr; }
  .mega-item, .mega-subs a, .drop-panel a { padding: 12px 10px; font-size: .95rem; }
}

/* ---------- Ajustes gerais de mobile ---------- */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero { min-height: auto; padding: calc(var(--nav-h) + 28px) 0 56px; }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.7rem); }
  .section-title { font-size: clamp(1.5rem, 6.5vw, 2rem); text-align: left; }
  .section-sub { text-align: left; margin-left: 0; }
  .eyebrow { font-size: .7rem; }
  .btn { padding: .95rem 1.5rem; font-size: .95rem; }
  .gov-actions, .page-actions, .hero-actions, .cta-actions, .cta-band .actions { flex-direction: column; align-items: stretch; }
  .gov-actions .btn, .page-actions .btn, .hero-actions .btn { text-align: center; justify-content: center; }
  .num-strip, .datastrip-grid, .region-grid, .op-steps, .rep-grid, .sub-grid,
  .ind-grid, .sol-grid, .social-grid, .pkg-grid, .gov-grid, .usecase-grid,
  .audience-grid, .steps-grid, .phases-grid, .refs-grid { grid-template-columns: 1fr !important; }
  .case-band { padding: 1.6rem; }
  .case-band h3 { font-size: 1.25rem; }
  .chat-bubble { max-width: 100%; font-size: .86rem; }
  .mega-panel { max-height: none; }
  table.tbl { min-width: 520px; }
  .tbl-wrap { border-radius: 12px; }
}
@media (max-width: 420px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .num-strip, .region-grid { grid-template-columns: 1fr !important; }
}

/* ---------- Barra de progresso de leitura (desktop) ---------- */
.read-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--grad-primary); z-index: 150; transition: width .1s linear;
}

/* ---------- Índice da home (one-page) ---------- */
.home-index {
  position: sticky; top: var(--nav-h); z-index: 40;
  background: rgba(5,6,10,.92); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border); padding: .7rem 0;
}
.home-index ul {
  list-style: none; margin: 0; padding: 0; display: flex; gap: .5rem; overflow-x: auto;
  scrollbar-width: none;
}
.home-index ul::-webkit-scrollbar { display: none; }
.home-index a {
  display: block; white-space: nowrap; font-size: .82rem; color: var(--text-2);
  text-decoration: none; padding: .45rem .85rem; border: 1px solid var(--border); border-radius: 999px;
}
.home-index a:hover, .home-index a.active { color: var(--text); border-color: var(--border-strong); background: rgba(109,92,255,.12); }

@media (prefers-reduced-motion: reduce) {
  .mega-panel, .drop-panel, .nav-links { transition: none !important; }
}

/* ---------- Mega menu compacto (refinamento) ---------- */
.mega-col-title {
  font-size: .6rem !important; letter-spacing: .14em !important;
  padding: .15rem .45rem .45rem !important;
}
.mega-item {
  font-size: .8rem !important; padding: .42rem .5rem !important;
  line-height: 1.32 !important; border-radius: 9px !important;
}
.mega-item .mi-sub { font-size: .66rem !important; margin-top: .1rem !important; }
.mega-subs { gap: .2rem !important; }
.mega-subs a { font-size: .76rem !important; padding: .28rem .42rem !important; }
.mega-sub-head { padding-bottom: .38rem !important; margin-bottom: .1rem; }
.mega-sub-head b { font-size: .88rem !important; }
.mega-sub-head .lnk { font-size: .72rem !important; }
.mega-sub p { font-size: .78rem !important; line-height: 1.5 !important; }
.mega-case { padding: .85rem !important; gap: .35rem !important; border-radius: 12px !important; }
.mega-case .mc-lab { font-size: .6rem !important; }
.mega-case h5 { font-size: .86rem !important; }
.mega-case p { font-size: .76rem !important; line-height: 1.45 !important; }
.mega-case .mc-link { font-size: .74rem !important; }
a.mega-item.mega-all {
  margin-top: .3rem !important; text-align: center; font-weight: 600 !important;
  color: var(--accent) !important; border: 1px solid var(--border-strong) !important;
}
a.mega-item.mega-all:hover { background: rgba(0,212,255,.1) !important; }

/* cards de indústria: altura uniforme e sem estouro */
.ind-grid { grid-template-columns: repeat(auto-fit, minmax(288px, 1fr)) !important; }
.ind-card { min-width: 0; overflow: hidden; height: 100%; }
.ind-card h3, .ind-card p, .ind-card .ic-more { overflow-wrap: anywhere; }
.ind-card p { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

/* subsetores em 2 colunas */
.sub-grid { grid-template-columns: repeat(2, 1fr) !important; }
.sub-card p { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

/* espaçamento agradável entre seções do one-page */
.section { padding: 96px 0; }
.section-alt { padding: 96px 0; }
.section + .section, .section + .section-alt, .section-alt + .section, .section-alt + .section-alt { margin-top: 0; }
@media (max-width: 1100px) {
  .mega-panel { max-height: none; }
  .mega-panel > div:nth-child(2) { max-height: none; overflow: visible; }
}
@media (max-width: 768px) {
  .sub-grid { grid-template-columns: 1fr !important; }
  .section { padding: 60px 0 !important; }
}


/* ---------- Blog: listagem e matéria ---------- */
.blog-card { text-decoration: none; color: inherit; }
.blog-thumb { width: 100%; height: 190px; object-fit: cover; border-radius: 12px; border: 1px solid var(--border); display: block; }
.blog-thumb--ph { display: flex; align-items: center; justify-content: center; font-size: 2rem; background: rgba(255,255,255,.04); }
.blog-card .post-meta { font-family: var(--font-mono); font-size: .72rem; color: var(--text-3); display: block; letter-spacing: .04em; margin-top: .9rem; }
.blog-card h3 { font-size: 1.02rem; line-height: 1.35; margin: .3rem 0 .5rem; }
.blog-card p { -webkit-line-clamp: 3 !important; }
.post-article { padding: 8.5rem 0 4rem; }
.post-container { max-width: 820px; }
.post-title { font-family: var(--font-display); font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.18; letter-spacing: -.02em; margin: .9rem 0 .8rem; overflow-wrap: anywhere; }
.post-meta { font-family: var(--font-mono); font-size: .78rem; color: var(--text-3); margin-bottom: 2rem; }
.post-cover { width: 100%; max-height: 420px; object-fit: cover; border-radius: 18px; border: 1px solid var(--border); margin-bottom: 2rem; }
.post-lead { font-size: 1.1rem; line-height: 1.75; color: var(--text); border-left: 3px solid var(--primary); padding-left: 1.2rem; margin-bottom: 2.4rem; }
.post-body p { color: var(--text-2); font-size: 1.02rem; line-height: 1.85; margin-bottom: 1.3rem; }
.post-h { font-family: var(--font-display); color: var(--text); margin: 2.4rem 0 1rem; font-size: 1.3rem; line-height: 1.3; }
.post-cta { margin-top: 3.5rem; padding: 2rem; border-radius: 18px; background: linear-gradient(135deg, rgba(109,92,255,.12), rgba(0,212,255,.07)); border: 1px solid var(--border-strong); }
.post-cta h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: .6rem; }
.post-cta p { color: var(--text-2); margin-bottom: 1.4rem; }
@media (max-width: 768px) { .post-article { padding: 6.5rem 0 3rem; } .blog-thumb { height: 165px; } }