style(site): neon extrusion on the team photo frames

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

site/assets/css/style.css

@@ -490,6 +490,58 @@ section[id] {
   50% { filter: drop-shadow(0 0 2px rgba(var(--fitme-accent-rgb), .45)); }
 }
 
+/* ── Team photo frames: the same neon extrusion ────────────────────────────────
+   .trainer-pic is the face. Its ::before draws the L-shaped wall (bottom + right,
+   one clipped polygon, two gradients); ::after stays the existing gloss overlay
+   and also carries the inner glow. The frame no longer clips its children
+   (overflow:hidden would cut the wall), the photo fills the padding box anyway. */
+.trainer-item .trainer-pic {
+  --depth: 5px;
+  --depth-x: 4px;
+  --bw: 4px;                                  /* the frame's own border */
+  --wall-hi: color-mix(in srgb, var(--fitme-accent) 45%, #fff);
+  --wall: var(--fitme-accent);
+  --wall-lo: color-mix(in srgb, var(--fitme-accent) 65%, #000);
+  overflow: visible;
+}
+
+.trainer-item .trainer-pic::before {
+  content: "";
+  position: absolute;
+  left: calc(var(--bw) * -1);
+  top: calc(var(--bw) * -1);
+  width: calc(100% + var(--bw) * 2 + var(--depth-x));
+  height: calc(100% + var(--bw) * 2 + var(--depth));
+  z-index: -1;
+  pointer-events: none;
+  opacity: 0;
+  background:
+    linear-gradient(to right, var(--wall-lo) 0%, var(--wall) 1%, var(--wall-hi) 50%, var(--wall) 99%, var(--wall-lo) 100%)
+      0 100% / calc(100% - var(--depth-x)) var(--depth) no-repeat,
+    linear-gradient(to bottom, var(--wall) 0%, var(--wall-lo) 100%)
+      100% 0 / var(--depth-x) 100% no-repeat;
+  clip-path: polygon(0 calc(100% - var(--depth)), calc(100% - var(--depth-x)) calc(100% - var(--depth)),
+                     calc(100% - var(--depth-x)) 0, 100% var(--depth), 100% 100%, var(--depth-x) 100%);
+  transition: opacity .25s ease;
+}
+
+.trainer-item .trainer-pic:hover,
+#powerRotation>div:nth-child(even) .trainer-pic:hover {
+  transform: rotate(0deg) translate(calc(var(--depth-x) * -1), calc(var(--depth) * -1)) scale(1.03);
+  box-shadow: 0 0 12px 1px rgba(var(--fitme-accent-rgb), .25);
+  filter: drop-shadow(0 0 5px rgba(var(--fitme-accent-rgb), .9)) drop-shadow(0 0 14px rgba(var(--fitme-accent-rgb), .55));
+}
+.trainer-item .trainer-pic:hover::before { opacity: 1; }
+.trainer-item .trainer-pic:hover::after {
+  box-shadow: inset 0 0 14px 1px rgba(var(--fitme-accent-rgb), .4), inset 0 0 3px 0 rgba(var(--fitme-accent-rgb), .6);
+}
+
+@media (hover: hover) and (prefers-reduced-motion: no-preference) {
+  .trainer-item .trainer-pic { transition: transform .25s cubic-bezier(.3, .7, .4, 1.5), box-shadow .45s ease, filter .45s ease; }
+  .trainer-item .trainer-pic:hover { animation: neon-flicker-glow 600ms linear 1.4s 1; }
+  .trainer-item .trainer-pic:hover::before { animation: neon-flicker-tube 600ms linear 1.4s 1; }
+}
+
 /* Hover: white text on an almost-black face keeping ~10% of the brand colour —
    the bright neon faces around it then stand out against it. The dark and
    ghost variants keep their own backgrounds. */