/* =============================================================
   HEADER & NAV — Redesign completo
   Guia Comercial de Assis Chateaubriand
   ============================================================= */

/* ── Blog content ─────────────────────────────────────────── */
.blog-content h2 {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.03em;
  margin: 28px 0 12px;
  color: var(--ink);
}
.blog-content h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 22px 0 10px;
  color: var(--ink);
}
.blog-content p {
  margin: 0 0 16px;
  line-height: 1.8;
  color: #334155;
}
.blog-content ul {
  margin: 8px 0 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.blog-content li {
  line-height: 1.7;
  color: #475569;
}
.blog-content li strong {
  color: var(--ink);
}
.blog-content a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, .3);
}
.blog-content a:hover {
  text-decoration-color: var(--accent);
}
.blog-content code {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 14px;
}
.blog-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  margin: 16px 0;
  background: #f8fafc;
  border-radius: 0 12px 12px 0;
  color: #475569;
  font-style: italic;
}

/* ── Header base ──────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.header-row {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* ── Brand ─────────────────────────────────────────────────── */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity .15s;
}
.brand:hover { opacity: .8; }

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--brand);
  display: grid;
  place-items: center;
  font-size: 22px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .12);
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: 1.1;
  color: var(--ink);
}

.brand-city {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .01em;
  line-height: 1.2;
}

/* ── Nav links ─────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #475569;
  text-decoration: none;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.nav-link:hover {
  background: #f1f5f9;
  color: var(--ink);
}
.nav-link:active {
  background: #e2e8f0;
  transform: scale(.97);
}

/* CTA button */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 800;
  background: var(--ink);
  color: #fff;
  border: none;
  text-decoration: none;
  margin-left: 8px;
  transition: background .15s, transform .1s;
}
.btn-nav-cta:hover {
  background: #1e293b;
}
.btn-nav-cta:active {
  transform: scale(.96);
}

/* ── Hamburger (mobile) ───────────────────────────────────── */
.nav-toggle { display: none; }

.nav-hamburger {
  display: none;            /* hidden on desktop */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background .15s;
  z-index: 51;
}
.nav-hamburger:hover {
  background: #f1f5f9;
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
  transform-origin: center;
}

/* Animate to X when open */
.nav-toggle:checked ~ .nav-hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle:checked ~ .nav-hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle:checked ~ .nav-hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile menu dropdown ──────────────────────────────────── */
@media (max-width: 640px) {
  .header-row {
    height: auto;
    padding: 12px 0;
    gap: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 20px;
  }
  .brand-name { font-size: 16px; }
  .brand-city { font-size: 10px; }

  .nav-hamburger {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    gap: 2px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .08);
    z-index: 50;
    animation: nav-slide-down .2s ease;
  }
  .nav-toggle:checked ~ .site-nav {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 15px;
    gap: 10px;
  }
  .nav-link:hover {
    background: #f1f5f9;
  }

  .btn-nav-cta {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    font-size: 15px;
    margin-left: 0;
    margin-top: 4px;
    text-align: center;
  }

  /* Safe area for iOS */
  .site-header {
    padding-top: env(safe-area-inset-top, 0px);
  }
}

@keyframes nav-slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Tablet (641-900px) ────────────────────────────────────── */
@media (min-width: 641px) and (max-width: 900px) {
  .header-row {
    gap: 20px;
  }
  .nav-link {
    padding: 8px 10px;
    font-size: 13px;
  }
}