/* =================================================================
   MAMERI EXPORT — Inner Pages Premium Animations
   Shared by: live-inventory.php, arquitetos.php (and beyond)
   Vanilla adaptation of:
     • ContainerScroll  → section-level 3D-reveal cards
     • sticky-scroll    → 3-column gallery with sticky middle column
   ================================================================= */

/* ── Top scroll-progress bar ─────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px; width: 0;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  box-shadow: 0 0 12px rgba(196,160,90,0.55);
  z-index: 9999;
  pointer-events: none;
  will-change: width;
}

/* ── Richer blur-in reveal (upgrade over base mameri.css) ─────── */
.reveal {
  filter: blur(5px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease);
}
.reveal.visible { filter: blur(0); }

/* ── Page banner — parallax (JS-driven via data-banner-parallax) ─ */
.page-banner { overflow: hidden; }
.page-banner-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transform: scale(1.12);
  transition: none;
}

/* ── Benefit cards — stagger reveal ─────────────────────────────── */
.benefit-cards .benefit-card {
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease), filter 0.75s var(--ease);
  filter: blur(4px);
}
.benefit-cards.visible .benefit-card { filter: blur(0); }
.benefit-cards.visible .benefit-card:nth-child(1) { transition-delay: 0.04s; }
.benefit-cards.visible .benefit-card:nth-child(2) { transition-delay: 0.14s; }
.benefit-cards.visible .benefit-card:nth-child(3) { transition-delay: 0.24s; }
.benefit-cards.visible .benefit-card:nth-child(4) { transition-delay: 0.34s; }

/* ── How-steps — stagger ─────────────────────────────────────────── */
.how-steps .how-step {
  opacity: 0;
  transform: translateY(32px);
  filter: blur(4px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease), filter 0.75s var(--ease);
}
.how-steps.steps-visible .how-step { opacity: 1; transform: none; filter: blur(0); }
.how-steps.steps-visible .how-step:nth-child(1) { transition-delay: 0.05s; }
.how-steps.steps-visible .how-step:nth-child(2) { transition-delay: 0.17s; }
.how-steps.steps-visible .how-step:nth-child(3) { transition-delay: 0.29s; }
.how-steps.steps-visible .how-step:nth-child(4) { transition-delay: 0.41s; }

/* ── Floating card entrance (lead form) ─────────────────────────── */
.lead-form-card {
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease), filter 1.1s var(--ease);
  filter: blur(8px);
}
.lead-form-card.visible { filter: blur(0); }

/* ── Magnetic-feel button micro-interaction (CSS only) ───────────── */
.btn { transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease), opacity 0.22s var(--ease); }

/* ═══════════════════════════════════════════════════════════════
   STICKY GALLERY (sticky-scroll adaptation — pure CSS + light JS)
   3-column layout: sides scroll, centre stays sticky.
   ═══════════════════════════════════════════════════════════════ */
.featured-gallery-section {
  background: var(--midnight);
  padding-top: var(--section-py);
  padding-bottom: 0;
  overflow: hidden;
}
.featured-gallery-section .container { max-width: 800px; }
.featured-gallery-section .eyebrow { color: rgba(255,255,255,0.38); }
.featured-gallery-section .section-title { color: var(--cream); }

.sticky-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 5px;
  margin-top: clamp(36px, 5vw, 56px);
  align-items: start;
}

.sg-scroll { display: flex; flex-direction: column; gap: 5px; }

.sg-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.sg-sticky figure { flex: 1; margin: 0; overflow: hidden; }

.sg-scroll figure {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.sg-scroll figure img,
.sg-sticky figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.1s var(--ease), filter 0.55s ease;
  filter: brightness(0.9);
}

.sg-scroll figure:hover img,
.sg-sticky figure:hover img {
  transform: scale(1.06);
  filter: brightness(1.06);
}

/* JS-driven image parallax within each cell */
.sg-img-inner { overflow: hidden; width: 100%; height: 100%; }

/* Mobile: single column */
@media (max-width: 768px) {
  .sticky-gallery {
    grid-template-columns: 1fr 1fr;
  }
  .sg-sticky {
    position: static;
    height: auto;
  }
  .sg-sticky figure { aspect-ratio: 4/5; flex: none; }
  .sg-scroll figure { aspect-ratio: 1/1; }
}
@media (max-width: 480px) {
  .sticky-gallery { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   SECTION IMAGE REVEAL (the 50/50 content grid)
   ═══════════════════════════════════════════════════════════════ */
.content-img-wrap {
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  background: var(--stone-100);
}
.content-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  will-change: transform;
  transition: none;
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .reveal, .benefit-cards .benefit-card, .how-steps .how-step, .lead-form-card {
    filter: none !important;
    transition: opacity 0.3s, transform 0.3s !important;
  }
  .scroll-progress { display: none; }
  .page-banner-bg { transform: none !important; }
  .content-img-wrap img { transform: none !important; }
  .sg-scroll figure img, .sg-sticky figure img { transition: none; }
}