/* ============================================================
   IOSA — shared layout components (nav, footer, whatsapp, misc)
   ============================================================ */

/* ---- nav ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: 76px;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-solid {
  background: rgba(245, 247, 247, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  transition: color 0.4s var(--ease-out);
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav.is-solid .nav-brand { color: var(--ink); }
.nav-brand small {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.66rem;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.7);
}
.nav.is-solid .nav-brand small { color: var(--ink-faint); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a:not(.btn) {
  padding: 9px 15px;
  border-radius: var(--r-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  transition: background 0.3s, color 0.3s;
}
.nav.is-solid .nav-links a:not(.btn) { color: var(--ink-soft); }
.nav-links a:not(.btn):hover { background: rgba(255,255,255,0.12); color: #fff; }
.nav.is-solid .nav-links a:not(.btn):hover { background: var(--porcelain-dim); color: var(--ink); }
.nav-links a.is-active:not(.btn) { color: #fff; background: rgba(255,255,255,0.14); }
.nav.is-solid .nav-links a.is-active:not(.btn) { color: var(--emerald-deep); background: var(--emerald-tint); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #fff;
}
.nav.is-solid .nav-toggle { color: var(--ink); }
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 900px) {
  .nav-links:not(.nav-links--mobile-open) { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--line);
  }
  .nav-links a:not(.btn) { color: var(--ink-soft); padding: 14px 16px; }
  .nav-links a.is-active:not(.btn) { color: var(--emerald-deep); background: var(--emerald-tint); }
  .nav-links .btn { margin-top: 6px; justify-content: center; }
}

/* ---- footer ---- */
.footer {
  background: var(--ink-950);
  color: var(--ink-soft-on-dark);
  padding: var(--section-y-tight) 0 40px;
}
.footer h4 {
  color: var(--porcelain-on-dark);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
}
.footer-brand {
  font-family: var(--font-display);
  color: var(--porcelain-on-dark);
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.footer a { color: var(--ink-soft-on-dark); transition: color 0.25s; }
.footer a:hover { color: var(--porcelain-on-dark); }
.footer p { color: var(--ink-soft-on-dark); }
.footer-bottom {
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: #6d7c7e;
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---- faixa de transparência (responsáveis técnicos) ---- */
.transparencia {
  background: var(--ink-900);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 16px 0;
}
.transparencia .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  column-gap: 10px;
  row-gap: 4px;
  text-align: center;
}
.transparencia .transparencia-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #56676a;
}
.transparencia .transparencia-nome {
  font-size: 0.8rem;
  color: #a9b7b9;
}
.transparencia .transparencia-sep {
  color: #3d4c4e;
}
@media (max-width: 560px) {
  .transparencia .transparencia-sep { display: none; }
  .transparencia .wrap { flex-direction: column; gap: 2px; }
}

/* ---- whatsapp floating ---- */
.wa-float {
  position: fixed;
  bottom: 26px; right: 26px;
  z-index: 400;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #21c063;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(11, 107, 82, 0.35);
  transition: transform 0.3s var(--ease-out);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---- generic section scaffolding ---- */
.section { padding: var(--section-y) 0; position: relative; }
.section-tight { padding: var(--section-y-tight) 0; }
.section-dark { background: var(--ink-950); color: var(--porcelain-on-dark); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--porcelain-on-dark); }
.section-dark p { color: var(--ink-soft-on-dark); }
.section-tint { background: var(--porcelain-dim); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--emerald-deep);
  margin-bottom: 18px;
  display: inline-block;
}
.section-dark .eyebrow { color: #7fd6b7; }

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft-on-dark);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--ink-soft-on-dark); }
.breadcrumb a:hover { color: #fff; }

/* ---- pdf link chip ---- */
.pdf-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--emerald-deep);
  border-bottom: 1.5px solid var(--emerald-line);
  padding-bottom: 2px;
  transition: border-color 0.25s, color 0.25s;
}
.pdf-chip:hover { border-color: var(--emerald); color: var(--emerald); }
.pdf-chip svg { width: 16px; height: 16px; }

/* ---- cta band (shared on every page) ---- */
.cta-band {
  background: var(--emerald);
  color: #fff;
  border-radius: var(--r-lg);
  padding: clamp(40px, 6vw, 72px);
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 56px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.1rem); max-width: 20ch; margin: 0; }
.cta-band .btn-primary { background: #fff; color: var(--emerald-deep); }
.cta-band .btn-primary:hover { background: var(--ink-950); color: #fff; }
@media (max-width: 620px) {
  .cta-band { flex-direction: column; align-items: flex-start; text-align: left; gap: 28px; }
  .cta-band .btn { margin-top: 8px; }
}