/* ════════════════════════════════════════════════════════════════════
   LAYOUT — nav, footer, sticky WhatsApp
   Elementos persistentes em todas as visualizações.
   ════════════════════════════════════════════════════════════════════ */

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,12,16,0.7);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw; height: 72px;
  transition: background .35s var(--ease), border-color .35s var(--ease);
}
nav.scrolled {
  background: rgba(10,12,16,0.96);
  border-bottom-color: var(--border);
}
.nav-logo { height: 42px; transition: transform .25s var(--ease); }
.nav-logo:hover { transform: scale(1.04); }

.nav-links { display: flex; gap: 2.4rem; list-style: none; }
.nav-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 14px; font-weight: 700; letter-spacing: .12em;
  color: var(--text-2); text-decoration: none; text-transform: uppercase;
  position: relative; padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--gold); color: #000;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; font-size: 13px; letter-spacing: .12em;
  text-transform: uppercase; text-decoration: none;
  padding: 11px 22px; border-radius: 3px;
  transition: all .2s var(--ease);
}
.nav-cta:hover {
  background: var(--gold-2);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(245,168,0,0.4);
}

/* ─── Burger (mobile) ─── */
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.burger span { width: 26px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s var(--ease); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-links.mobile-open {
  display: flex !important; flex-direction: column;
  position: absolute; top: 72px; left: 0; right: 0;
  background: rgba(10,12,16,0.98); backdrop-filter: blur(20px);
  padding: 28px 5vw; gap: 22px;
  border-bottom: 1px solid var(--border);
}

/* ─── FOOTER ─── */
footer {
  background: #050608; border-top: 1px solid var(--border-soft);
  padding: 64px 5vw 28px;
}
.footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 56px;
  padding-bottom: 40px; border-bottom: 1px solid var(--border-soft);
}
.footer-col h5 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 800; letter-spacing: .2em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 13px; color: var(--text-2); text-decoration: none;
  transition: color .2s var(--ease);
}
.footer-col a:hover { color: var(--gold); }
.footer-logo { height: 40px; margin-bottom: 20px; opacity: .9; }
.footer-about p { font-size: 13px; color: var(--muted); line-height: 1.7; }

.footer-meta {
  max-width: 1280px; margin: 28px auto 0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: var(--muted);
}
.footer-meta a { color: var(--muted); }

.footer-anp {
  margin-top: 14px;
  font-size: 11px; color: var(--muted); letter-spacing: .05em;
  text-align: center; max-width: 1280px; margin-left: auto; margin-right: auto;
}

.footer-author {
  margin-top: 14px;
  font-size: 11px; color: var(--muted); letter-spacing: .04em;
  text-align: center; max-width: 1280px; margin-left: auto; margin-right: auto;
}
.footer-author a {
  color: var(--gold); text-decoration: none; font-weight: 700;
  transition: color .2s var(--ease);
}
.footer-author a:hover { color: var(--gold-2); text-decoration: underline; }

/* ─── STICKY WHATSAPP ─── */
.sticky-wpp {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  width: 62px; height: 62px; border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #1FB955);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 32px rgba(37,211,102,0.5);
  text-decoration: none; color: #fff;
  transition: transform .25s var(--ease);
}
.sticky-wpp::after {
  content: ''; position: absolute; inset: -8px; border-radius: 50%;
  border: 2px solid #25D366; opacity: .5;
  animation: ripple 2.5s infinite ease-out;
}
.sticky-wpp:hover { transform: scale(1.1); }
.sticky-wpp .icon { width: 28px; height: 28px; stroke-width: 2.5; }