/* ─────────────────────────────────────────────
   SHARED.CSS
   Layout base compartilhado entre páginas de produto
   (nav, hero, content, CTA, breakpoints)
   Importar ANTES do CSS específico da página.
   ───────────────────────────────────────────── */

:root {
  --orange: #E84A1B;
  --orange-dark: #C43A10;
  --orange-bg: #FFF4F0;
  --dark: #111;
  --gray: #444;
  --muted: #777;
  --border: #E8E8E8;
  --bg: #fff;
  --bg2: #F8F8F7;
  --font: 'Inter', sans-serif;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--bg); line-height: 1.6; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--orange);
  border-radius: 4px;
  border: 2px solid transparent;
  background-clip: content-box;
  transition: border .2s;
}
::-webkit-scrollbar-thumb:hover {
  border: 0px solid transparent;
}

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 10%;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 48px; width: auto; display: block; }
.nav-left { display: flex; align-items: center; gap: 2rem; }
.nav-back {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .85rem; font-weight: 500; color: var(--muted);
  text-decoration: none; transition: color .2s;
  padding-left: 2rem; border-left: 1px solid var(--border);
}
.nav-back:hover { color: var(--orange); }
.nav-links {
  display: flex; gap: 2.5rem; list-style: none; align-items: center;
}
.nav-links a {
  font-size: .88rem; font-weight: 500; color: var(--muted);
  text-decoration: none; letter-spacing: .03em;
  transition: color .2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1.5px; background: var(--orange);
  transition: width .3s;
}
.nav-links a:hover { color: var(--dark); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--orange); color: #fff;
  font-size: .88rem; font-weight: 500;
  padding: .5rem 1.3rem; border-radius: 100px;
  text-decoration: none; transition: background .2s;
}
.nav-cta:hover { background: var(--orange-dark); }
.nav-cta::after { display: none !important; }
.nav-burger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
}
.nav-burger span {
  display: block; width: 24px; height: 2px;
  background: var(--dark); border-radius: 2px;
}

/* ─── PAGE HERO ─── */
.page-hero {
  padding: calc(var(--nav-h) + 2.5rem) 10% 2.5rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -.02em;
  color: var(--dark); margin-bottom: .8rem; line-height: 1.1;
}
.page-hero h1 span { color: var(--orange); }
.page-hero p {
  font-size: 1rem; font-weight: 300; color: var(--muted);
  max-width: 640px; line-height: 1.8;
}

/* ─── PAGE CONTENT ─── */
.page-content { padding: 3rem 10%; }
.section-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 1rem;
}
.section-tag::before { content: ''; width: 20px; height: 1.5px; background: var(--orange); }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800; letter-spacing: -.02em;
  color: var(--dark); margin-bottom: 1.5rem;
}

/* ─── PAGE CTA ─── */
.page-cta {
  background: var(--dark);
  padding: 4rem 10%;
  text-align: center;
}
.page-cta h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin-bottom: .8rem; }
.page-cta p { color: #888; margin-bottom: 2rem; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--orange); color: #fff;
  font-size: .9rem; font-weight: 500;
  padding: .85rem 1.8rem; border-radius: 100px;
  text-decoration: none; transition: background .2s;
}
.btn-primary:hover { background: var(--orange-dark); }

/* ─── RESPONSIVE ─────────────────────────────────
   Mesmos breakpoints da home (style.css):
   - ≤1600px  notebooks FHD @125%  → 5%
   - ≤1380px  HD / zoom out       → 4%
   - ≤900px   tablet              → ajustes de layout
   ─────────────────────────────────────────────── */
@media (max-width: 1600px) {
  nav { padding: 0 5%; }
  .page-hero { padding: calc(var(--nav-h) + 2rem) 5% 2rem; }
  .page-content { padding: 2.5rem 5%; }
  .page-cta { padding: 4rem 5%; }
}

@media (max-width: 1380px) {
  nav { padding: 0 4%; }
  .page-hero { padding: calc(var(--nav-h) + 2rem) 4% 2rem; }
  .page-content { padding: 2.5rem 4%; }
  .page-cta { padding: 4rem 4%; }
}

@media (max-width: 900px) {
  .nav-back { padding-left: 1rem; font-size: .8rem; }
  .nav-left { gap: 1rem; }
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--bg);
    padding: 1.5rem 6%;
    border-bottom: 1px solid var(--border);
    gap: 1.2rem;
  }
  .nav-burger { display: flex; }
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}