/* N3 Contabilidade — site institucional: layout responsivo + chrome
   Complementa styles.css (tokens). Mobile-first: colunas empilham por padrão. */

.n3-section { padding: 64px 0; }
.n3-section--hero { padding: 72px 0 56px; }
.n3-container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

.n3-grid { display: grid; gap: 40px; grid-template-columns: 1fr; }

@media (min-width: 920px) {
  .n3-section { padding: 96px 0; }
  .n3-section--hero { padding: 112px 0 72px; }
  .n3-container { padding: 0 var(--container-pad-x); }
  .n3-grid { gap: 64px; }
  .n3-grid--75 { grid-template-columns: 7fr 5fr; }
  .n3-grid--57 { grid-template-columns: 5fr 7fr; }
  .n3-grid--48 { grid-template-columns: 4fr 8fr; }
  .n3-grid--84 { grid-template-columns: 8fr 4fr; }
  .n3-grid--2 { grid-template-columns: 1fr 1fr; }
  .n3-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .n3-grid--4 { grid-template-columns: repeat(4, 1fr); gap: 40px; }
}

/* ---------- Header ---------- */
.n3-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 250, 0.96);
  border-bottom: 1px solid var(--border-subtle);
}
.n3-header-in {
  max-width: var(--container-max); margin: 0 auto;
  display: flex; align-items: center; gap: 32px;
  height: 84px; padding: 0 20px;
}
@media (min-width: 920px) { .n3-header-in { padding: 0 var(--container-pad-x); height: 92px; } }

.n3-nav { display: none; }
@media (min-width: 1020px) { .n3-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; } }

.n3-nav a.n3-navlink, .n3-dd > a {
  font: 500 13.5px/1.3 var(--font-sans); letter-spacing: 0.02em;
  color: var(--neutral-600); text-decoration: none;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.n3-nav a.n3-navlink:hover, .n3-dd > a:hover { color: var(--neutral-900); text-decoration: none; }
.n3-nav a.n3-navlink[aria-current="page"], .n3-dd > a[aria-current="page"] {
  color: var(--neutral-900); border-bottom-color: var(--neutral-900);
}

.n3-dd { position: relative; display: flex; align-items: center; gap: 5px; }
.n3-dd-menu {
  visibility: hidden; opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
  position: absolute; top: 100%; left: -16px; padding-top: 14px; min-width: 248px;
}
.n3-dd:hover .n3-dd-menu, .n3-dd:focus-within .n3-dd-menu { visibility: visible; opacity: 1; }
.n3-dd-menu-in {
  background: var(--surface-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-md); box-shadow: var(--shadow-raised);
  padding: 8px; display: flex; flex-direction: column;
}
.n3-dd-menu-in a {
  font: 500 13.5px/1.4 var(--font-sans); color: var(--neutral-800);
  text-decoration: none; padding: 9px 12px; border-radius: var(--radius-sm);
}
.n3-dd-menu-in a:hover { background: var(--brand-50); color: var(--brand-900); text-decoration: none; }
.n3-dd-menu-in a.n3-dd-all {
  color: var(--neutral-500); border-top: 1px solid var(--border-subtle);
  border-radius: 0; margin-top: 4px; padding-top: 11px;
}

.n3-header-phone { display: none; }
@media (min-width: 1160px) {
  .n3-header-phone {
    display: inline-flex; font: 600 13.5px/1.2 var(--font-sans);
    color: var(--neutral-900); text-decoration: none;
    font-variant-numeric: tabular-nums; white-space: nowrap;
  }
}
.n3-header-phone:hover { color: var(--brand-800); text-decoration: none; }

.n3-area-cliente { display: none !important; color: var(--brand-800); text-decoration: none; }
@media (min-width: 1020px) { .n3-area-cliente { display: inline-flex !important; margin-left: 8px; } }
.n3-area-cliente:hover { color: var(--brand-900); text-decoration: underline; text-underline-offset: 3px; }

.n3-burger {
  display: inline-flex; flex-direction: column; gap: 4.5px; justify-content: center;
  margin-left: auto; width: 40px; height: 40px; align-items: center;
  background: none; border: 1px solid var(--border-default);
  border-radius: var(--radius-sm); cursor: pointer;
}
.n3-burger span { width: 16px; height: 1.5px; background: var(--neutral-900); }
@media (min-width: 1020px) { .n3-burger { display: none; } }

.n3-mobile-menu {
  display: flex; flex-direction: column;
  background: var(--surface-page); border-bottom: 1px solid var(--border-default);
  padding: 8px 20px 24px;
}
@media (min-width: 1020px) { .n3-mobile-menu { display: none; } }
.n3-mobile-menu a {
  font: 500 15px/1.4 var(--font-sans); color: var(--neutral-800);
  text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--border-subtle);
}
.n3-mobile-menu a.n3-sub { padding-left: 20px; color: var(--neutral-600); font-size: 14px; }

/* ---------- WhatsApp flutuante (verde, redondo, link direto) ---------- */
.n3-wa-float {
  position: fixed;
  right: max(20px, calc((100vw - var(--container-max)) / 2 + 20px));
  bottom: 28px; z-index: 60;
  display: inline-flex; align-items: center; justify-content: center;
  width: 62px; height: 62px; border-radius: 50%;
  background: #25D366; color: #FFFFFF;
  text-decoration: none; box-shadow: 0 6px 20px rgba(15, 15, 17, 0.25);
  transition: background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.n3-wa-float:hover { background: #1DA851; color: #FFFFFF; text-decoration: none; }

/* ---------- Seção com fundo azul-claro ---------- */
.n3-tint { background: var(--brand-50); border-top: 1px solid var(--brand-100); border-bottom: 1px solid var(--brand-100); }

/* ---------- Footer responsivo ---------- */
@media (max-width: 1080px) { .n3-footer-grid { grid-template-columns: repeat(2, minmax(150px, 1fr)) !important; } }
@media (max-width: 560px) { .n3-footer-grid { grid-template-columns: 1fr !important; } }

/* ---------- Listas com réguas ---------- */
.n3-ruled { display: flex; flex-direction: column; }
.n3-ruled > * { border-top: 1px solid var(--border-default); }
.n3-ruled > *:last-child { border-bottom: 1px solid var(--border-default); }

a.n3-rowlink { display: block; color: inherit; text-decoration: none; transition: background-color var(--dur-fast) var(--ease-out); }
a.n3-rowlink:hover { background: var(--surface-alt); text-decoration: none; }

/* ---------- Mapa ---------- */
.n3-map {
  width: 100%; height: 100%; min-height: 320px; display: block;
  border: 1px solid var(--border-default); border-radius: var(--radius-md);
  filter: grayscale(1) contrast(0.95);
}

@media print { .n3-wa-float { display: none; } }