feat(galeria): masonry em JS com lightbox, em vez do slider

- «Conhece as nossas instalações» (e a galeria do CrossFit) passa de slider
  Splide a masonry: layout próprio em JS (sem biblioteca), fotos com a
  proporção original, coluna mais baixa primeiro e algumas a ocupar duas
  colunas (só quando não deixam buraco). Reorganiza ao mudar de largura
  (ResizeObserver + resize) e as fotos entram em cascata ao aparecer.
  Sem JS fica uma grelha CSS.
- Clicar abre a foto num <dialog>: anterior/seguinte, setas, Esc, deslizar.
- O Splide deixa de ser carregado (CSS e JS).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

site/assets/css/style.css

@@ -4095,3 +4095,204 @@ h3.contact-title {
 @media (prefers-reduced-motion: reduce) {
   .mi, .mi [pathLength] { animation: none !important; }
 }
+
+/* ══════════════════════════════════════════════════════════════════════════
+   Galeria — masonry + lightbox (site/includes/gallery.php)
+   Without JS: a plain CSS grid (photos cropped to equal tiles). With JS
+   (.is-masonry): main.js positions every tile absolutely — shortest column
+   first, true aspect ratio, some tiles two columns wide — and sets the list's
+   height. 4 columns on desktop, 3 on tablets, 2 on phones.
+   ══════════════════════════════════════════════════════════════════════════ */
+.gal-masonry {
+  list-style: none;
+  margin: 0 0 70px;
+  padding: 0;
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  grid-auto-rows: 170px;
+  grid-auto-flow: dense;
+  gap: 12px;
+}
+
+.gal-tile { position: relative; margin: 0; }
+.gal-w { grid-column: span 2; }
+
+/* JS masonry: absolute tiles, sized and placed by main.js. */
+.gal-masonry.is-masonry {
+  display: block;
+  position: relative;
+}
+
+.gal-masonry.is-masonry .gal-tile {
+  position: absolute;
+  top: 0;
+  left: 0;
+  transition: transform .5s cubic-bezier(.2, .8, .2, 1), width .5s cubic-bezier(.2, .8, .2, 1), height .5s cubic-bezier(.2, .8, .2, 1), opacity .6s ease;
+}
+
+/* Entrance: tiles rise in one after another when the gallery comes into view
+   (main.js adds .is-in with a per-tile delay). */
+.gal-masonry.is-masonry .gal-tile:not(.is-in) {
+  opacity: 0;
+}
+
+.gal-masonry.is-masonry .gal-tile .gal-link {
+  transition: transform .6s cubic-bezier(.2, .8, .2, 1);
+}
+
+.gal-masonry.is-masonry .gal-tile:not(.is-in) .gal-link {
+  transform: translateY(24px) scale(.97);
+}
+
+.gal-link {
+  display: block;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+  border-radius: 6px;
+  position: relative;
+  background: var(--fitme-surface-2);
+  cursor: zoom-in;
+}
+
+.gal-link img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+  transition: transform .6s cubic-bezier(.2, .8, .2, 1), filter .4s ease;
+}
+
+/* Accent frame + slow zoom on hover / focus. */
+.gal-link::after {
+  content: '';
+  position: absolute;
+  inset: 0;
+  border-radius: inherit;
+  box-shadow: inset 0 0 0 0 var(--fitme-accent);
+  transition: box-shadow .3s ease;
+  pointer-events: none;
+}
+
+.gal-link:hover img,
+.gal-link:focus-visible img {
+  transform: scale(1.06);
+  filter: brightness(1.05);
+}
+
+.gal-link:hover::after,
+.gal-link:focus-visible::after {
+  box-shadow: inset 0 0 0 3px var(--fitme-accent);
+}
+
+@media (max-width: 991px) {
+  .gal-masonry { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 150px; }
+}
+
+@media (max-width: 575px) {
+  .gal-masonry { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 120px; gap: 8px; margin-bottom: 48px; }
+}
+
+/* Lightbox */
+.gal-lightbox {
+  width: 100vw;
+  height: 100vh;
+  max-width: none;
+  max-height: none;
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+  color: #fff;
+}
+
+.gal-lightbox[open] {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.gal-lightbox::backdrop {
+  background: rgba(11, 11, 13, .92);
+}
+
+.gal-lb-figure {
+  margin: 0;
+  max-width: calc(100vw - 140px);
+  max-height: calc(100vh - 80px);
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.gal-lb-figure img {
+  max-width: 100%;
+  max-height: calc(100vh - 110px);
+  object-fit: contain;
+  border-radius: 4px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
+  animation: gal-in .35s ease;
+}
+
+@keyframes gal-in {
+  from { opacity: 0; transform: scale(.97); }
+  to   { opacity: 1; transform: none; }
+}
+
+.gal-lb-count {
+  margin-top: 10px;
+  font-size: .85rem;
+  color: var(--fitme-ash);
+  letter-spacing: .08em;
+}
+
+.gal-lb-close,
+.gal-lb-nav {
+  position: absolute;
+  border: 0;
+  background: rgba(255, 255, 255, .08);
+  color: #fff;
+  cursor: pointer;
+  transition: background var(--fitme-transition), color var(--fitme-transition);
+}
+
+.gal-lb-close:hover,
+.gal-lb-nav:hover {
+  background: var(--fitme-accent);
+  color: var(--fitme-dark);
+}
+
+.gal-lb-close {
+  top: 16px;
+  right: 16px;
+  width: 44px;
+  height: 44px;
+  border-radius: 50%;
+  font-size: 1.8rem;
+  line-height: 1;
+}
+
+.gal-lb-nav {
+  top: 50%;
+  transform: translateY(-50%);
+  width: 48px;
+  height: 48px;
+  border-radius: 50%;
+  font-size: 1.1rem;
+}
+
+.gal-lb-prev { left: 20px; }
+.gal-lb-next { right: 20px; }
+
+@media (max-width: 575px) {
+  .gal-lb-figure { max-width: calc(100vw - 24px); }
+  .gal-lb-nav { top: auto; bottom: 18px; transform: none; }
+  .gal-lb-prev { left: calc(50% - 60px); }
+  .gal-lb-next { right: calc(50% - 60px); }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .gal-link img, .gal-lb-figure img { transition: none; animation: none; }
+  .gal-masonry.is-masonry .gal-tile,
+  .gal-masonry.is-masonry .gal-tile .gal-link { transition: none; }
+}

site/assets/js/main.js

@@ -695,3 +695,144 @@ document.addEventListener('DOMContentLoaded', function () {
         btn.addEventListener('click', function () { select.value = btn.getAttribute('data-membership'); });
     });
 });
+
+/* ── Galeria: lightbox ───────────────────────────────────────────────────────
+   Tiles are plain links to the full image (works without JS). With JS a click
+   opens the <dialog> instead: prev / next buttons, ← → keys, Esc, swipe on
+   touch, and a click on the dark backdrop closes it. */
+document.addEventListener('DOMContentLoaded', function () {
+    document.querySelectorAll('.gal-masonry').forEach(function (grid) {
+        var box = grid.parentElement.nextElementSibling;
+        if (!box || !box.classList.contains('gal-lightbox') || typeof box.showModal !== 'function') return;
+        var links = Array.prototype.slice.call(grid.querySelectorAll('.gal-link'));
+        var img = box.querySelector('.gal-lb-figure img');
+        var count = box.querySelector('.gal-lb-count');
+        var current = 0;
+
+        function show(i) {
+            current = (i + links.length) % links.length;
+            var src = links[current].querySelector('img');
+            img.src = links[current].getAttribute('href');
+            img.alt = src ? src.alt : '';
+            // Restart the fade-in for each photo.
+            img.style.animation = 'none'; void img.offsetWidth; img.style.animation = '';
+            count.textContent = (current + 1) + ' / ' + links.length;
+        }
+
+        links.forEach(function (a, i) {
+            a.addEventListener('click', function (e) {
+                e.preventDefault();
+                show(i);
+                box.showModal();
+            });
+        });
+        box.querySelector('.gal-lb-prev').addEventListener('click', function () { show(current - 1); });
+        box.querySelector('.gal-lb-next').addEventListener('click', function () { show(current + 1); });
+        box.querySelector('.gal-lb-close').addEventListener('click', function () { box.close(); });
+        // Clicks that land on the dialog itself (not the photo or a button) are the backdrop.
+        box.addEventListener('click', function (e) { if (e.target === box) box.close(); });
+        box.addEventListener('keydown', function (e) {
+            if (e.key === 'ArrowLeft') show(current - 1);
+            else if (e.key === 'ArrowRight') show(current + 1);
+        });
+        box.addEventListener('close', function () { links[current].focus(); });
+
+        var x0 = null;
+        box.addEventListener('touchstart', function (e) { x0 = e.touches[0].clientX; }, { passive: true });
+        box.addEventListener('touchend', function (e) {
+            if (x0 === null) return;
+            var dx = e.changedTouches[0].clientX - x0;
+            if (Math.abs(dx) > 40) show(current + (dx < 0 ? 1 : -1));
+            x0 = null;
+        }, { passive: true });
+    });
+});
+
+/* ── Galeria: masonry layout ─────────────────────────────────────────────────
+   A small hand-rolled masonry (no library): the grid is split into columns
+   (4 / 3 / 2 by width), and each tile — at its photo's true aspect ratio, from
+   the width/height attributes the PHP writes — is dropped into the shortest
+   column; tiles marked .gal-w take two adjacent columns (the pair whose taller
+   one is lowest), which is what staggers the rows. Tiles are absolutely
+   positioned with transforms, so a relayout on resize glides into place.
+   The first time the gallery scrolls into view the tiles rise in one by one. */
+document.addEventListener('DOMContentLoaded', function () {
+    document.querySelectorAll('.gal-masonry').forEach(function (grid) {
+        var tiles = Array.prototype.slice.call(grid.querySelectorAll('.gal-tile'));
+        if (!tiles.length) return;
+        grid.classList.add('is-masonry');
+
+        function ratio(tile) {
+            var img = tile.querySelector('img');
+            var w = +img.getAttribute('width') || img.naturalWidth || 4;
+            var h = +img.getAttribute('height') || img.naturalHeight || 3;
+            return h / w;
+        }
+        function layout() {
+            var width = grid.clientWidth;
+            var cols = width >= 900 ? 4 : width >= 520 ? 3 : 2;
+            var gap = width >= 520 ? 12 : 8;
+            var colW = (width - gap * (cols - 1)) / cols;
+            var heights = [];
+            for (var c = 0; c < cols; c++) heights.push(0);
+
+            tiles.forEach(function (tile) {
+                var span = (tile.classList.contains('gal-w') && cols > 1) ? 2 : 1;
+                // Best column (or pair of columns) = lowest top edge.
+                var pick = function (span) {
+                    var best = 0, bestTop = Infinity, waste = 0;
+                    for (var i = 0; i <= cols - span; i++) {
+                        var cells = heights.slice(i, i + span);
+                        var top = Math.max.apply(null, cells);
+                        if (top < bestTop - 0.5) { bestTop = top; best = i; waste = top - Math.min.apply(null, cells); }
+                    }
+                    return [best, bestTop, waste];
+                };
+                var p = pick(span);
+                // A wide tile whose two columns end at different heights would
+                // leave a hole under the shorter one — use a single column then.
+                if (span === 2 && p[2] > 60) { span = 1; p = pick(1); }
+                var best = p[0], bestTop = p[1];
+                var w = colW * span + gap * (span - 1);
+                var h = Math.round(w * ratio(tile));
+                tile.style.width = w + 'px';
+                tile.style.height = h + 'px';
+                tile.style.transform = 'translate(' + (best * (colW + gap)) + 'px,' + bestTop + 'px)';
+                for (var j = best; j < best + span; j++) heights[j] = bestTop + h + gap;
+            });
+            grid.style.height = Math.max(0, Math.max.apply(null, heights) - gap) + 'px';
+        }
+
+        layout();
+        // Re-lay out whenever the grid's own width changes (window resize, but
+        // also a gallery that was laid out while hidden / zero-width).
+        var t, lastW = grid.clientWidth;
+        var relayout = function () {
+            if (grid.clientWidth === lastW) return;
+            lastW = grid.clientWidth;
+            clearTimeout(t); t = setTimeout(layout, 80);
+        };
+        if ('ResizeObserver' in window) new ResizeObserver(relayout).observe(grid);
+        window.addEventListener('resize', relayout, { passive: true });   // belt and braces; relayout() is idempotent
+        // Re-run once images report their size, in case an attribute was missing.
+        tiles.forEach(function (tile) {
+            var img = tile.querySelector('img');
+            if (!img.getAttribute('width')) img.addEventListener('load', layout, { once: true });
+        });
+
+        // Staggered entrance.
+        var enter = function () {
+            tiles.forEach(function (tile, i) {
+                setTimeout(function () { tile.classList.add('is-in'); }, Math.min(i, 12) * 70);
+            });
+        };
+        if ('IntersectionObserver' in window) {
+            var io = new IntersectionObserver(function (entries) {
+                if (entries.some(function (e) { return e.isIntersecting; })) { enter(); io.disconnect(); }
+            }, { rootMargin: '0px 0px -80px 0px' });
+            io.observe(grid);
+        } else {
+            enter();
+        }
+    });
+});

site/includes/footer.php

@@ -36,7 +36,6 @@
 <!-- Scripts: jQuery first (Bootstrap navbar/alerts depend on it), then plugins -->
 <?= script_tag('site/assets/js/jquery-3.7.1.min.js') ?>
 <?= script_tag('assets/vendor/bootstrap/js/bootstrap.min.js') ?>
-<?= script_tag('site/assets/js/splide/dist/js/splide.min.js') ?>
 <?= script_tag('site/assets/js/main.js') ?>
 </body>
 </html>

site/includes/gallery.php

@@ -1,9 +1,16 @@
 <?php
-// Gallery partial — Splide CSS/JS is loaded centrally by include.php / footer.php.
-// Slides use Splide's native lazy loading (data-splide-lazy + cover), so only
-// the visible/nearby images are downloaded instead of the whole gallery.
+// Gallery partial — masonry (home "instalações" and the CrossFit page).
+// main.js lays the tiles out itself: each photo keeps its own aspect ratio (no
+// cropping) and drops into the shortest column; every few tiles one spans two
+// columns, which is what staggers the heights — the photos are all landscape,
+// so equal-width tiles alone would just form a grid. Without JS the list falls
+// back to a plain CSS grid. Clicking a tile opens it full size in a <dialog>
+// lightbox with prev / next, arrow keys, Esc and swipe (main.js).
 $files = glob(rtrim($gallery_path, '/') . '/*.jpg');
 if (!$files || !is_array($files)) $files = [];
+// Column span per tile, cycled: w = two columns, s = one.
+$gal_shapes = ['w', 's', 's', 's', 's', 'w', 's', 's', 's', 's', 's'];
+$gal_label  = $gallery_h2 ?? 'Instalações';
 ?>
 <div class="row justify-content-md-center" style="margin-top: 58px">
   <div class="col-lg-8">
@@ -14,33 +21,31 @@ if (!$files || !is_array($files)) $files = [];
     </div>
   </div>
 </div>
-<div id="primary-slider" class="splide" style="padding:0;">
-  <div class="splide__track">
-    <ul class="splide__list">
-      <?php foreach($files as $gi => $f): /* distinct alt per photo — identical alts read as one image */ ?>
-      <li class="splide__slide"><img src="<?= base_url($f) ?>" alt="<?= htmlspecialchars(($gallery_h2 ?? 'Instalações') . ' — FitMe 3070, foto ' . ($gi + 1)) ?>"<?= $gi > 0 ? ' loading="lazy"' : '' ?>></li>
-      <?php endforeach; ?>
-    </ul>
-  </div>
+<?php if ($files): ?>
+<div class="container">
+  <ul class="gal-masonry">
+    <?php foreach ($files as $gi => $f):
+      $src  = base_url($f);
+      $alt  = $gal_label . ' — FitMe 3070, foto ' . ($gi + 1);   // distinct alt per photo
+      $dim  = @getimagesize($f) ?: [0, 0];
+    ?>
+    <li class="gal-tile gal-<?= $gal_shapes[$gi % count($gal_shapes)] ?>">
+      <a href="<?= htmlspecialchars($src) ?>" class="gal-link" data-index="<?= $gi ?>" aria-label="Ampliar: <?= htmlspecialchars($alt) ?>">
+        <img src="<?= htmlspecialchars($src) ?>" alt="<?= htmlspecialchars($alt) ?>"
+             <?= $dim[0] ? 'width="' . (int) $dim[0] . '" height="' . (int) $dim[1] . '"' : '' ?>
+             <?= $gi > 1 ? 'loading="lazy"' : '' ?> decoding="async">
+      </a>
+    </li>
+    <?php endforeach; ?>
+  </ul>
 </div>
-<script>
-document.addEventListener('DOMContentLoaded', function () {
-    var isMobile = window.innerWidth < 768;
-    // Single auto-playing slider (no thumbnail strip). Real <img src> + cover
-    // paints the first big image on mount; autoplay cross-fades through the
-    // rest and rewinds at the end. Pauses on hover/focus for accessibility.
-    new Splide('#primary-slider', {
-        type: 'fade',
-        rewind: true,
-        heightRatio: isMobile ? 0.7 : 0.5,
-        cover: true,
-        arrows: !isMobile,
-        pagination: true,
-        autoplay: true,
-        interval: 4500,
-        speed: 800,
-        pauseOnHover: true,
-        pauseOnFocus: true
-    }).mount();
-});
-</script>
+<dialog class="gal-lightbox" aria-label="<?= htmlspecialchars($gal_label) ?>">
+  <button type="button" class="gal-lb-close" aria-label="Fechar">&times;</button>
+  <button type="button" class="gal-lb-nav gal-lb-prev" aria-label="Foto anterior"><i class="fas fa-chevron-left" aria-hidden="true"></i></button>
+  <figure class="gal-lb-figure">
+    <img src="" alt="">
+    <figcaption class="gal-lb-count"></figcaption>
+  </figure>
+  <button type="button" class="gal-lb-nav gal-lb-next" aria-label="Foto seguinte"><i class="fas fa-chevron-right" aria-hidden="true"></i></button>
+</dialog>
+<?php endif; ?>

site/includes/include.php

@@ -46,9 +46,6 @@ $canonical = $GLOBALS['_canonical_override'] ?? base_url($page !== '' ? 'home/'
 <!-- Vendor: Font Awesome 5 -->
 <?= link_tag('site/assets/fonts/fontawesome/css/all.css') ?>
 
-<!-- Vendor: Splide (gallery slider) — load BEFORE app styles so style.css wins -->
-<link rel="stylesheet" href="<?= base_url('site/assets/js/splide/dist/css/splide.min.css') ?>">
-<link rel="stylesheet" href="<?= base_url('site/assets/js/splide/dist/css/themes/splide-sea-green.min.css') ?>">
 
 <!-- App styles (Bootstrap overrides) -->
 <?= link_tag('site/assets/css/style.css') ?>