/* =========================================================
   base.css — ExperConsult site novo
   MOBILE-FIRST: tudo abaixo e a base para 360px+.
   Regras de desktop SOMENTE dentro de @media (min-width:768px)
   e @media (min-width:1100px), nunca fora delas.
   ========================================================= */

/* ---------- 1. Reset moderno enxuto ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html, body { height: 100%; }
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, video, canvas, svg { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; }
a { color: inherit; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

/* ---------- 2. Base tipografica (mobile) ---------- */
body {
  font-family: var(--sans);
  font-size: 1rem; /* 16px — nunca menor que isso em texto corrido */
  line-height: 1.55;
  color: var(--txt);
  background: var(--branco);
  padding-top: var(--s5); /* compensa header fixo */
}

h1, h2, h3, h4 { overflow-wrap: break-word; }

h1 {
  font-family: var(--disp);
  font-weight: 900;
  line-height: 1.05;
  font-size: clamp(2rem, 7vw, 4.2rem);
}

h2 {
  font-family: var(--disp);
  font-weight: 800;
  line-height: 1.12;
  font-size: clamp(1.55rem, 4.5vw, 2.6rem);
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--acc-txt, var(--muted));
}

.bg-dark .eyebrow, .card-dark .eyebrow { color: var(--muted-inv); }

/* ---------- 3. Container ---------- */
.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- 4. Header fixo + nav mobile ---------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 1000;
  background: rgba(18, 22, 27, .85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding-block: 10px;
  min-height: var(--s5);
}

.site-header .logo {
  font-family: var(--disp);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--txt-inv);
  text-decoration: none;
}

/* botao hamburguer — visivel apenas no mobile */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--txt-inv);
}

.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before { position: absolute; top: -7px; left: 0; }
.nav-toggle__bars::after { position: absolute; top: 7px; left: 0; }

/* nav — painel vertical no mobile, escondido ate abrir */
#site-nav {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--grafite);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: var(--s2);
  gap: var(--s1);
}

#site-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--s2);
  color: var(--txt-inv);
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius);
}

#site-nav a:hover,
#site-nav a:focus-visible {
  background: rgba(255, 255, 255, .08);
}

/* aberto via JS: toggle de aria-expanded no botao */
.nav-toggle[aria-expanded="true"] ~ #site-nav {
  display: flex;
}

/* ---------- 5. Botoes ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 0;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.btn-p {
  background: var(--verde);
  color: var(--grafite); /* nunca branco sobre verde — contraste */
}

.btn-o {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .28);
  color: var(--branco); /* uso apenas sobre fundo grafite */
}

/* ---------- 6. Cards ---------- */
.card {
  background: var(--branco);
  border: 1px solid #DCD8CE;
  border-radius: var(--radius);
  padding: var(--s3);
}

.card-dark {
  background: var(--grafite-2);
  color: var(--txt-inv);
  border-color: rgba(255, 255, 255, .12);
}

/* acento (borda/label) quando o card herda um braco via .acc-* */
.acc-eng .card, .acc-plan .card, .acc-ass .card {
  border-color: var(--acc-txt);
}

/* ---------- 7. Secoes e utilitarias de fundo ---------- */
section { padding-block: var(--s5); }

.bg-dark { background: var(--grafite); color: var(--txt-inv); }
.bg-off { background: var(--off); }

/* ---------- 8. Acento por braco ---------- */
.acc-eng{--acc:var(--verde); --acc-txt:var(--verde-txt)}
.acc-plan{--acc:var(--teal); --acc-txt:var(--teal-txt)}
.acc-ass{--acc:var(--magenta); --acc-txt:var(--magenta-txt)}

/* ---------- 9. Acessibilidade — foco visivel ---------- */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* =========================================================
   DESKTOP — a partir daqui, so dentro de media queries
   ========================================================= */
@media (min-width: 768px) {
  section { padding-block: var(--s6); }

  .site-header__inner { padding-block: 14px; }

  .nav-toggle { display: none; }

  #site-nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    background: transparent;
    border-top: 0;
    padding: 0;
    gap: var(--s3);
  }

  #site-nav a {
    min-height: 44px;
    padding-inline: var(--s1);
  }

  body { padding-top: 80px; }
}

@media (min-width: 1100px) {
  .wrap { padding-inline: 40px; }

  #site-nav { gap: var(--s4); }
}