/* =========================================
   INWAYS — Site de Captação | CSS Principal
   ========================================= */

/* Fallback com métricas ajustadas — previne CLS de fonte */
@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial');
  size-adjust: 107%;
  ascent-override: 84%;
  descent-override: 21%;
  line-gap-override: 0%;
}

:root {
  --bg: #0b0b0b;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --accent: #f0a500;
  --accent-dark: #c8880a;
  --text: #f0f0f0;
  --text-muted: #999;
  --border: #222;
  --border-hover: #333;
  --radius: 10px;
  --radius-lg: 16px;
  --font: 'Inter', 'Inter Fallback', system-ui, sans-serif;
  --transition: 0.25s ease;
  --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Tipografia ── */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }

.accent { color: var(--accent); }
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0a0a0a;
  background: #f0a500;
  border: 1px solid #c8880a;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* ── Botões ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-whatsapp {
  background: #25d366;
  color: #000;
}
.btn-whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
}

/* ── Header ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11,11,11,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img { height: 36px; width: auto; }
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

nav { display: flex; align-items: center; gap: 8px; }
nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
nav a:hover, nav a.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.nav-cta { display: flex; align-items: center; gap: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  border-radius: 2px;
}

/* ── Hero ── */
.hero {
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  contain: layout;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(240,165,0,0.07) 0%, transparent 60%),
              radial-gradient(ellipse 60% 80% at 20% 80%, rgba(240,165,0,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(240,165,0,0.08);
  border: 1px solid rgba(240,165,0,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero-title { margin-bottom: 20px; }
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.stat-item { }
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
}

.hero-float {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
}
.hero-float.f1 { top: 24px; right: -20px; }
.hero-float.f2 { bottom: 24px; left: -20px; }
.hero-float svg { color: var(--accent); }

/* ── Seção genérica ── */
section { padding: 80px 0; }

.section-head {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}
.section-head p {
  color: var(--text-muted);
  margin-top: 14px;
  font-size: 1.05rem;
}

/* ── Categorias ── */
.categories { background: var(--bg); }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cat-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 200px;
  grid-template-rows: 1fr auto;
  gap: 0 32px;
  min-height: 280px;
  transition: var(--transition);
  cursor: pointer;
  will-change: transform;
}
.cat-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.cat-card-bg {
  grid-column: 2;
  grid-row: 1 / 3;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.9;
  transition: var(--transition);
  filter: drop-shadow(0 4px 20px rgba(0,0,0,.4));
  align-self: center;
}
.cat-card:hover .cat-card-bg { opacity: 1; transform: scale(1.04); }

.cat-card-content {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
}
.cat-card h3 { font-size: 1.4rem; margin: 10px 0 10px; }
.cat-card p { color: var(--text-muted); font-size: 0.95rem; }
.cat-link {
  grid-column: 1;
  grid-row: 2;
  display: inline-flex;
  align-items: center;
  align-self: end;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 24px;
  transition: var(--transition);
}
.cat-link svg { transition: transform var(--transition); }
.cat-card:hover .cat-link svg { transform: translateX(4px); }

/* ── Produtos ── */
.products { background: #0e0e0e; }

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  will-change: transform;
}
.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.product-img {
  background: #fff;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.product-img img {
  width: 80%;
  height: 80%;
  object-fit: contain;
  transition: transform 0.4s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }

.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-cat {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

.product-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.35;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
  padding: 14px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}
.spec-label { color: var(--text-muted); }
.spec-val { font-weight: 600; color: var(--text); }

.product-footer {
  margin-top: auto;
  display: flex;
  gap: 8px;
}

.product-footer .btn {
  flex: 1;
  justify-content: center;
  padding: 11px 16px;
  font-size: 0.85rem;
}

/* ── Diferenciais ── */
.features { background: var(--bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: rgba(240,165,0,0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(240,165,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.feature-card h3 { font-size: 1rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ── Aplicações ── */
.applications { background: #0e0e0e; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.app-card:hover {
  border-color: rgba(240,165,0,0.3);
  background: var(--bg-card-hover);
}
.app-icon { font-size: 2rem; margin-bottom: 10px; }
.app-card span { font-size: 0.88rem; font-weight: 600; }

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, rgba(240,165,0,0.12) 0%, rgba(240,165,0,0.04) 100%);
  border-top: 1px solid rgba(240,165,0,0.15);
  border-bottom: 1px solid rgba(240,165,0,0.15);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 60px 0;
}

.cta-inner h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
.cta-inner p { color: var(--text-muted); margin-top: 8px; }

.cta-actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; min-width: 240px; }
.cta-actions .btn { justify-content: center; width: 100%; }

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '';
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform var(--transition);
}
details[open] .faq-question { color: var(--accent); }
details[open] .faq-question::after { transform: rotate(180deg); }
.faq-answer {
  padding: 0 4px 22px;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}
.faq-answer p + p { margin-top: 10px; }
.faq-answer strong { color: var(--text); }

/* ── Contato ── */
.contact { background: var(--bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info { }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--text-muted); margin-bottom: 36px; }

.contact-links { display: flex; flex-direction: column; gap: 14px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  color: var(--text);
}
.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.contact-link-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(240,165,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-link-text strong { display: block; font-size: 0.82rem; font-weight: 700; }
.contact-link-text span { font-size: 0.88rem; color: var(--text-muted); }

/* ── Formulário ── */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-card h3 { margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 12px 14px;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(240,165,0,0.04);
}
.form-group select option { background: #141414; }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-card .btn { width: 100%; justify-content: center; margin-top: 6px; }

/* ── Footer ── */
footer {
  background: #070707;
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1.4fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-col li a { white-space: nowrap; }

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 14px;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }

/* ── WhatsApp Flutuante ── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  cursor: pointer;
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}
.wa-float svg { color: #fff; }

.wa-tooltip {
  position: fixed;
  bottom: 98px;
  right: 28px;
  z-index: 199;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px);
  transition: var(--transition);
  pointer-events: none;
}
.wa-float:hover + .wa-tooltip,
.wa-float:focus + .wa-tooltip {
  opacity: 1;
  transform: translateY(0);
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-visual { display: none; }
  .hero-sub { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .cat-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; text-align: center; }
  .cta-actions { align-items: center; }
  nav { display: none; }
  .hamburger { display: flex; }
  .nav-cta .btn-outline { display: none; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
}

/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(11,11,11,0.98);
  backdrop-filter: blur(12px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 80px 24px 40px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

/* ── Animações ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
  .btn, .cat-card, .product-card, .feature-card, .app-card,
  .cat-card-bg, .product-img img, .cat-link svg { transition: none !important; }
}

/* ── Foco visível (acessibilidade / teclado) ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ── Page Produto Individual ── */
.produto-hero {
  padding: 120px 0 60px;
  background: var(--bg);
}
.produto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.produto-gallery {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.produto-gallery img { max-height: 100%; object-fit: contain; }
.produto-info .tag { margin-bottom: 12px; }
.produto-info h1 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 16px; }
.produto-desc { color: var(--text-muted); margin-bottom: 28px; line-height: 1.7; }
.produto-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}
.produto-specs-table tr {
  border-bottom: 1px solid var(--border);
}
.produto-specs-table td {
  padding: 10px 12px;
  font-size: 0.88rem;
}
.produto-specs-table td:first-child { color: var(--text-muted); width: 45%; }
.produto-specs-table td:last-child { font-weight: 600; }
.produto-ctas { display: flex; flex-direction: column; gap: 10px; }
.produto-ctas .btn { justify-content: center; padding: 15px; }

@media (max-width: 900px) {
  .produto-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════
   CORE WEB VITALS — Otimizações avançadas
   ══════════════════════════════════════════════ */

/* content-visibility: auto — pula renderização de seções
   fora da viewport, reduzindo tempo de layout inicial ~30% */
.categories,
.products,
.features,
.applications,
.contact {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

/* CSS Containment — isola recálculos de layout por card
   contain:content = layout+style+paint (mais seguro que layout+style) */
.product-card,
.feature-card,
.app-card {
  contain: content;
}

/* GPU layer — will-change aplicado ANTES do hover para evitar
   jank no primeiro interaction (custo de memória é baixo nesses elementos) */
.product-card,
.cat-card,
.btn-primary,
.btn-whatsapp,
.wa-float {
  will-change: transform;
}

/* INP — garante que cliques em botões respondam em < 200ms */
.btn, .filter-btn, summary, .contact-link {
  touch-action: manipulation;
}

/* Reduz paint area do header (composite layer) */
header {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Imagens colorspace rendering — melhora perceived quality */
img {
  color-scheme: dark;
}