/* ============================================================
   AutoScore — Layout (header, footer, main)
   ============================================================ */

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: box-shadow var(--transition-base), background var(--transition-base);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255,255,255,.97);
  border-bottom-color: var(--color-gray-100);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* ---- Brand / Logo ---- */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-gray-900);
  letter-spacing: -.02em;
  flex-shrink: 0;
}
.brand img { height: 46px; width: auto; }

/* ---- Nav ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav a {
  padding: 9px 11px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: 8px;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  background: var(--color-gray-50);
}
.nav-cta { display: flex; gap: 8px; margin-left: 4px; }

/* ---- Mega menu ---- */
.has-mega { position: relative; }
.has-mega::after {
  content: "";
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 18px;
}
.mega {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  transform: translateY(8px);
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  min-width: 340px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 200;
}
.has-mega.open .mega {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.mega a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--color-gray-700);
  font-size: 14px;
}
.mega a:hover { background: var(--color-gray-50); color: var(--color-primary); }
.mega [role="separator"] {
  height: 1px;
  background: var(--color-gray-100);
  margin: 8px 0;
}

/* ---- Mobile menu toggle ---- */
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--color-gray-200);
  align-items: center;
  justify-content: center;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-gray-800);
  position: relative;
  transition: background var(--transition-fast);
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--color-gray-800);
  transition: transform var(--transition-fast);
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after  { top:  6px; }

/* ---- Main ---- */
main { padding-top: var(--header-h); }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-gray-900);
  color: rgba(255,255,255,.75);
  padding: 80px 0 32px;
  margin-top: 80px;
}
.site-footer .brand img { filter: brightness(0) invert(1); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid h4 {
  color: #fff;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 18px;
}
.footer-grid a:not(.btn) {
  display: block;
  padding: 6px 0;
  color: rgba(255,255,255,.7);
  font-size: 14.5px;
  transition: color var(--transition-fast);
}
.footer-grid a:not(.btn):hover { color: #fff; }
.footer-grid p { color: rgba(255,255,255,.7); font-size: 14.5px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.footer-brand-space { margin-bottom: 16px; }
.footer-cnpj { margin-top: 10px; font-size: 13px; }
.footer-badges-space { margin-top: 16px; }
.footer-link-muted { color: rgba(255,255,255,.7); }
.footer-cta-space { margin-top: 12px; }
.footer-badges span {
  background: rgba(255,255,255,.08);
  padding: 6px 10px;
  border-radius: 99px;
  font-size: 12px;
  color: rgba(255,255,255,.85);
}
.footer-bottom {
  max-width: var(--container);
  margin: 48px auto 0;
  padding: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }