/* ==========================================================================
   Açougue Dois Irmãos — Design Tokens
   ========================================================================== */
:root {
  --color-blood: hsl(0, 65%, 30%);
  --color-fire: hsl(5, 80%, 45%);
  --color-ember: hsl(15, 70%, 55%);
  --color-charcoal: hsl(0, 0%, 15%);
  --color-smoke: hsl(0, 0%, 30%);
  --color-ash: hsl(0, 0%, 92%);
  --color-bone: hsl(40, 30%, 96%);
  --color-gold: hsl(42, 85%, 55%);
  --color-mustard: hsl(45, 75%, 50%);

  --gradient-hero: linear-gradient(135deg, var(--color-blood), var(--color-charcoal));
  --gradient-overlay: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);

  --font-display: 'Playfair Display', serif;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-rest: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.15);
  --shadow-elevated: 0 12px 40px rgba(0,0,0,0.20);

  --container-max: 1200px;
  --section-gap: clamp(4rem, 8vw, 7rem);
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background: var(--color-bone);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-fire);
  color: #fff;
  padding: .75rem 1.25rem;
  z-index: 999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 2px; }

h1, h2, h3 { font-family: var(--font-heading); margin: 0 0 .5rem; color: var(--color-charcoal); }
h1 { font-family: var(--font-display); font-weight: 800; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.section-title.center { text-align: center; }
.section-title.on-dark { color: #fff; }
.section-subtitle { color: var(--color-smoke); max-width: 640px; margin: 0 auto 2rem; }
.section-subtitle.center { text-align: center; }
.section-subtitle.on-dark { color: var(--color-ash); }
.center { text-align: center; }

.section { padding: var(--section-gap) 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  border: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-cta {
  background: var(--color-fire);
  color: #fff;
  box-shadow: var(--shadow-rest);
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); background: var(--color-blood); }
.btn-whatsapp { background: #25D366; color: #fff; box-shadow: var(--shadow-rest); }
.btn-whatsapp:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); background: #1EBE57; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-fire);
  color: var(--color-fire);
}
.btn-outline:hover { background: var(--color-fire); color: #fff; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 500;
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.is-scrolled {
  background: rgba(20,20,20,0.85);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-rest);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
  animation: fadeInDown .6s ease both;
}
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: #fff;
  flex-shrink: 0;
  transform: translateY(calc(var(--header-h) / 2));
}
.logo-img { height: 156px; width: auto; display: block; }
.header-inner .logo-img { filter: drop-shadow(0 8px 20px rgba(0,0,0,.4)); }
.main-nav ul { display: flex; gap: 1.75rem; }
.nav-link {
  position: relative;
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  padding: .4rem 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: width .3s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--color-gold); }

.header-actions {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin-left: auto;
  flex-shrink: 0;
}
.header-cta { flex-shrink: 0; white-space: nowrap; }

.admin-link {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: rgba(255,255,255,.7);
  font-size: .82rem;
  font-weight: 600;
  padding: .4rem .7rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  flex-shrink: 0;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.admin-link:hover { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.4); }
.admin-link-mobile { color: rgba(255,255,255,.6); border-color: rgba(255,255,255,.2); justify-content: center; }

@media (max-width: 1180px) {
  .main-nav, .header-actions { display: none; }
  .menu-toggle { display: flex; }
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
}
.menu-toggle span { display: block; width: 100%; height: 2px; background: #fff; transition: transform .3s ease, opacity .3s ease; }

.mobile-panel {
  position: fixed;
  top: 0; right: 0;
  width: min(240px, 64vw);
  height: 100vh;
  background: var(--color-charcoal);
  color: #fff;
  z-index: 700;
  padding: 6rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform .35s ease;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.mobile-panel.is-open { transform: translateX(0); }
.mobile-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: #fff;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .2s ease;
}
.mobile-close:hover { background: rgba(255,255,255,.18); transform: rotate(90deg); }
.mobile-panel ul { display: flex; flex-direction: column; gap: 1.25rem; }
.mobile-link { font-size: 1.1rem; font-weight: 600; }

.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 650;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.mobile-overlay.is-open { opacity: 1; pointer-events: auto; }

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
}
.hero-slide {
  position: absolute; inset: 0;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity .7s ease-out;
  transform: scale(1);
}
.hero-slide.is-active {
  opacity: 1;
  animation: kenBurns 8s ease-out forwards;
}
@keyframes kenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: var(--gradient-overlay);
}
.hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 12vh;
  color: #fff;
}
.hero-title {
  font-family: var(--font-heading);
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 4rem);
  opacity: 0;
  transform: translateY(20px);
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
}
.hero-content .btn { opacity: 0; transform: translateY(20px); width: fit-content; }
.hero-slide.is-active .hero-title { animation: riseIn .6s ease .2s forwards; }
.hero-slide.is-active .hero-subtitle { animation: riseIn .6s ease .4s forwards; }
.hero-slide.is-active .btn { animation: riseIn .6s ease .6s forwards; }
@keyframes riseIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.15);
  color: #fff;
  border: none;
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 1.1rem;
  z-index: 10;
  transition: background .2s ease, box-shadow .2s ease;
}
.hero-arrow:hover { background: rgba(255,255,255,.3); box-shadow: 0 0 20px rgba(255,255,255,.4); }
.hero-prev { left: 1.5rem; }
.hero-next { right: 1.5rem; }

.hero-dots {
  position: absolute;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .5rem;
  z-index: 10;
}
.hero-dots .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  border: none;
  transition: background .2s ease, transform .2s ease;
}
.hero-dots .dot.is-active { background: var(--color-gold); transform: scale(1.3); }

/* ==========================================================================
   Split layout (Família / Localização)
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.familia { background: var(--color-bone); }
.split-media { position: relative; }
.split-media img { border-radius: 12px; box-shadow: var(--shadow-elevated); }
.badge-seal {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--color-gold);
  color: var(--color-charcoal);
  font-weight: 700;
  font-size: .85rem;
  padding: .75rem 1rem;
  border-radius: 50%;
  width: 110px; height: 110px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-hover);
}
.badge-seal span { font-size: 1.4rem; }
.split-text h2 { font-family: var(--font-heading); font-size: clamp(1.8rem, 3vw, 2.4rem); }

/* ==========================================================================
   Tabs / Product cards
   ========================================================================== */
.cortes { background: #fff; }
.tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.tab-btn {
  background: var(--color-ash);
  border: none;
  padding: .75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  color: var(--color-smoke);
  transition: background .2s ease, color .2s ease;
}
.tab-btn.is-active { background: var(--color-fire); color: #fff; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.product-card {
  position: relative;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-rest);
  padding-bottom: 1.25rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover { transform: scale(1.03); box-shadow: var(--shadow-hover); }
.product-card img { aspect-ratio: 4/3; object-fit: cover; transition: transform .35s ease; }
.product-card:hover img { transform: scale(1.05); }
.product-card h3, .product-card p, .price-tag { padding: 0 1.25rem; }
.product-card h3 { margin-top: 1rem; font-size: 1.1rem; }
.product-card p { color: var(--color-smoke); font-size: .9rem; margin: .25rem 0 .75rem; }
.price-tag { display: block; font-weight: 700; color: var(--color-fire); font-size: .85rem; }
.badge-star {
  position: absolute;
  top: .75rem; left: .75rem;
  background: var(--color-mustard);
  color: var(--color-charcoal);
  font-size: .75rem;
  font-weight: 700;
  padding: .25rem .6rem;
  border-radius: 999px;
}

/* ==========================================================================
   Assados slider
   ========================================================================== */
.assados {
  position: relative;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.assados-overlay { position: absolute; inset: 0; background: rgba(15,15,15,.72); }
.assados .container { position: relative; }

.slider { position: relative; }
.slider-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: .5rem;
}
.slider-track::-webkit-scrollbar { display: none; }
.slide-card {
  scroll-snap-align: start;
  flex: 0 0 calc((100% - 3rem) / 3);
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-rest);
  transition: transform .25s ease, box-shadow .25s ease;
}
.slide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.slide-card img { aspect-ratio: 4/3; object-fit: cover; }
.slide-card h3, .slide-card p { padding: 0 1.25rem; }
.slide-card h3 { margin-top: 1rem; }
.slide-card p { color: var(--color-smoke); font-size: .9rem; padding-bottom: 1.25rem; }

.slider-arrow {
  position: absolute;
  top: 40%; transform: translateY(-50%);
  background: #fff;
  border: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  box-shadow: var(--shadow-rest);
  z-index: 5;
}
.slider-prev { left: -1rem; }
.slider-next { right: -1rem; }

/* ==========================================================================
   Galeria / Masonry / Lightbox
   ========================================================================== */
.galeria { background: #fff; }
.masonry {
  columns: 3 220px;
  column-gap: 1rem;
}
.masonry-item {
  display: block;
  width: 100%;
  border: none;
  background: none;
  padding: 0;
  margin: 0 0 1rem;
  break-inside: avoid;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.masonry-item img { transition: transform .35s ease; }
.masonry-item:hover img { transform: scale(1.06); }
.masonry-item::after {
  content: '🔍';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0);
  color: transparent;
  font-size: 1.5rem;
  transition: background .25s ease, color .25s ease;
}
.masonry-item:hover::after { background: rgba(0,0,0,.35); color: #fff; }

.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.9);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: 8px; transform: scale(.9); transition: transform .3s ease; }
.lightbox.is-open img { transform: scale(1); }
.lightbox-close, .lightbox-arrow {
  position: absolute;
  background: rgba(255,255,255,.15);
  color: #fff;
  border: none;
  border-radius: 50%;
}
.lightbox-close { top: 1.5rem; right: 1.5rem; width: 44px; height: 44px; font-size: 1.5rem; }
.lightbox-arrow { top: 50%; transform: translateY(-50%); width: 48px; height: 48px; font-size: 1.1rem; }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

/* ==========================================================================
   Instagram feed
   ========================================================================== */
.instagram { background: var(--color-bone); }
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.ig-card { position: relative; border-radius: 10px; overflow: hidden; }
.ig-card img { aspect-ratio: 1/1; object-fit: cover; transition: transform .3s ease; }
.ig-card:hover img { transform: scale(1.05); }

/* ==========================================================================
   Conveniência
   ========================================================================== */
.conveniencia {
  position: relative;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.conveniencia-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.6); }
.conveniencia .container { position: relative; }
.conv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.conv-card {
  background: rgba(255,255,255,.95);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-rest);
  transition: transform .25s ease, box-shadow .25s ease;
}
.conv-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.conv-icon { font-size: 2rem; }

/* ==========================================================================
   Depoimentos
   ========================================================================== */
.depoimentos { background: var(--color-bone); position: relative; }
.testimonials { max-width: 700px; margin: 0 auto; position: relative; text-align: center; }
.testimonial-track { position: relative; min-height: 180px; }
.testimonial {
  position: absolute; inset: 0;
  margin: 0;
  opacity: 0;
  transition: opacity .5s ease;
}
.testimonial.is-active { opacity: 1; position: relative; }
.testimonial p { font-size: 1.2rem; font-style: italic; position: relative; }
.testimonial p::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--color-ash);
  position: absolute;
  top: -3rem; left: -2rem;
  z-index: -1;
}
.stars { color: var(--color-mustard); margin: .75rem 0; }
.testimonial cite { font-weight: 700; font-style: normal; color: var(--color-fire); }
.testimonial-dots { display: flex; justify-content: center; gap: .5rem; margin-top: 1.5rem; }
.testimonial-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-ash); border: none; }
.testimonial-dots .dot.is-active { background: var(--color-fire); }

/* ==========================================================================
   Cadastro de promoções
   ========================================================================== */
.promo-signup { background: var(--gradient-hero); color: #fff; }
.promo-signup .section-title { color: #fff; font-size: clamp(1.15rem, 5.2vw, 2.2rem); white-space: nowrap; }
.promo-signup .section-subtitle { color: rgba(255,255,255,.85); }
.promo-inner { max-width: 560px; }
.promo-form { display: flex; flex-direction: column; gap: 1.25rem; }
.channel-toggle { display: flex; gap: .75rem; justify-content: center; }
.channel-btn {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  padding: .6rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
}
.channel-btn.is-active { background: var(--color-gold); color: var(--color-charcoal); border-color: var(--color-gold); }
.promo-field label { display: block; margin-bottom: .4rem; font-weight: 600; font-size: .9rem; }
.promo-field input {
  width: 100%;
  padding: .85rem 1rem;
  border-radius: 8px;
  border: 2px solid transparent;
  font-size: 1rem;
}
.promo-field input:focus { border-color: var(--color-gold); }
.promo-field.is-invalid input { border-color: var(--color-fire); }
.promo-field.is-hidden { display: none; }
.honeypot { position: absolute; left: -9999px; }
.consent { display: flex; align-items: flex-start; gap: .6rem; font-size: .9rem; }
.promo-submit { align-self: center; }
.promo-message { text-align: center; font-weight: 600; min-height: 1.5em; }
.promo-message.is-success { color: var(--color-gold); }
.promo-message.is-error { color: #ffb3b3; }

/* ==========================================================================
   Localização / Contato
   ========================================================================== */
.localizacao { background: #fff; }
.localizacao iframe { border-radius: 12px; box-shadow: var(--shadow-elevated); }
.contact-cards { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-bone);
  padding: 1rem 1.25rem;
  border-radius: 10px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.contact-card span { font-size: 1.5rem; }
.contact-card p { margin: 0; color: var(--color-smoke); font-size: .9rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-charcoal); color: var(--color-ash); padding: 4rem 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
  align-items: center;
}
.footer-tagline { color: rgba(255,255,255,.6); font-size: .9rem; margin-top: 1rem; }
.site-footer h4 { color: #fff; margin-bottom: 1rem; }
.site-footer ul { display: flex; flex-direction: column; gap: .6rem; }
.site-footer a:hover { color: var(--color-gold); }
.logo-footer { color: #fff; margin-bottom: .5rem; }
.logo-footer .logo-img { height: 312px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
}

/* ==========================================================================
   Floating components
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-elevated);
  z-index: 400;
  animation: pulseGlow 2.4s ease-in-out infinite;
  transition: box-shadow .2s ease, transform .2s ease;
}
.whatsapp-float:hover {
  transform: scale(1.06);
  box-shadow: 0 16px 44px rgba(0,0,0,.32);
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); box-shadow: var(--shadow-elevated), 0 0 0 0 rgba(37,211,102,.5); }
  50% { transform: scale(1.08); box-shadow: var(--shadow-elevated), 0 0 0 12px rgba(37,211,102,0); }
}
.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  background: #fff;
  color: var(--color-charcoal);
  padding: .5rem .9rem;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-rest);
  opacity: 0;
  transform: translateX(10px);
  transition: opacity .3s ease, transform .3s ease;
  pointer-events: none;
}
.whatsapp-tooltip.is-visible { opacity: 1; transform: translateX(0); }

.back-to-top {
  position: fixed;
  bottom: 92px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-charcoal);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  box-shadow: var(--shadow-elevated);
  z-index: 400;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease, box-shadow .2s ease;
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { box-shadow: 0 16px 44px rgba(0,0,0,.32); }

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity .6s ease, transform .6s ease;
}
.reveal-up { transform: translateY(30px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.is-visible, .reveal-left.is-visible, .reveal-right.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ==========================================================================
   Responsividade
   ========================================================================== */
@media (max-width: 1024px) {
  .slide-card { flex: 0 0 calc((100% - 1.5rem) / 2); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav, .header-actions { display: none; }
  .menu-toggle { display: flex; }
  .split { grid-template-columns: 1fr; }
  .hero { height: 70vh; }
  .slide-card { flex: 0 0 85%; }
  .masonry { columns: 1; }
  .instagram-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .assados, .conveniencia { background-attachment: scroll; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .instagram-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   Acessibilidade — prefers-reduced-motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}