/* ============================================================
   Treatment Visualiser — "Explore Your Treatment Options"
   Used on: index.html, treatment-visualiser.html
   ============================================================ */
.viz{background:var(--surface);padding-top:clamp(3.5rem,2.5rem + 5vw,6.5rem);
  padding-bottom:clamp(2.25rem,1.75rem + 2vw,3.25rem);overflow:hidden}
.viz-head{max-width:640px;margin:0 auto 2.4rem;text-align:center}
.viz-head .section-sub{color:var(--muted);margin:.6rem auto 0;max-width:54ch}
.viz-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:start}

/* ---------- stage / photo / mesh / dots ---------- */
.viz-stage{max-width:440px;margin-inline:auto;width:100%;position:sticky;top:96px}
.viz-frame{position:relative;overflow:hidden;border-radius:var(--r);background:#EFE6DE;
  box-shadow:0 30px 55px -30px rgba(42,38,34,.4);--sx:50%;--sy:50%;--gw:60%;--gh:20%}
.viz-photo{width:100%;display:block;transition:transform .9s cubic-bezier(.4,0,.2,1),filter .9s ease;
  transform-origin:var(--sx) var(--sy);will-change:transform}
.viz-frame.on .viz-photo{transform:scale(1.03)}
.viz-frame.on[data-fx="micro"] .viz-photo{filter:brightness(1.05) saturate(1.03) contrast(.99)}
.viz-vignette{position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  box-shadow:inset 0 0 60px rgba(42,38,34,.14);z-index:2}
.viz-mesh{position:absolute;left:var(--sx);top:var(--sy);width:var(--gw);height:var(--gh);
  transform:translate(-50%,-50%);pointer-events:none;opacity:0;transition:opacity .6s ease;z-index:2;--cell:14px;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.72) 0 1.4px,transparent 1.4px var(--cell)),
    repeating-linear-gradient(90deg,rgba(255,255,255,.72) 0 1.4px,transparent 1.4px var(--cell));
  -webkit-mask:radial-gradient(closest-side,#000 40%,rgba(0,0,0,.4) 72%,transparent 92%);
          mask:radial-gradient(closest-side,#000 40%,rgba(0,0,0,.4) 72%,transparent 92%)}
.viz-frame.on .viz-mesh{opacity:1}

/* interactive dots on the face */
.viz-dots{position:absolute;inset:0;z-index:3}
.viz-dot{position:absolute;width:42px;height:42px;margin:-21px 0 0 -21px;border:0;padding:0;
  background:transparent;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:opacity .4s ease}
.viz-dot::before{content:"";position:absolute;inset:15px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 2px var(--accent),0 2px 6px rgba(0,0,0,.35);transition:all .25s ease;z-index:1}
.viz-dot::after{content:"";position:absolute;inset:15px;border-radius:50%;
  box-shadow:0 0 0 1.5px rgba(255,255,255,.9);animation:dotpulse 2.6s ease-out infinite}
.viz-dot:nth-child(2)::after{animation-delay:.35s}
.viz-dot:nth-child(3)::after{animation-delay:.7s}
.viz-dot:nth-child(4)::after{animation-delay:1.05s}
.viz-dot:nth-child(5)::after{animation-delay:1.4s}
.viz-dot:nth-child(6)::after{animation-delay:1.75s}
.viz-dot:nth-child(7)::after{animation-delay:2.1s}
.viz-dot:hover::before{transform:scale(1.15);box-shadow:0 0 0 3px var(--accent-deep),0 2px 8px rgba(0,0,0,.4)}
.viz-dot:focus-visible{outline:none}
.viz-dot:focus-visible::before{box-shadow:0 0 0 3px var(--accent-deep),0 0 0 6px rgba(181,128,111,.35)}
.viz-dot.is-active::before{background:var(--accent);inset:13px;box-shadow:0 0 0 3px #fff,0 3px 9px rgba(0,0,0,.45)}
.viz-dot.is-active::after{animation:none;box-shadow:0 0 0 2px rgba(255,255,255,.95)}
.viz-dot.dim{opacity:.18;pointer-events:none}
@keyframes dotpulse{0%{transform:scale(.9);opacity:.85}100%{transform:scale(2.7);opacity:0}}

.viz-tour{display:inline-flex;align-items:center;gap:.55rem;margin:1rem auto 0;width:auto;
  padding:.6rem 1.2rem;border:1px solid var(--line);border-radius:100px;background:var(--bg);
  cursor:pointer;font-family:var(--font);font-weight:600;font-size:.9rem;color:var(--ink);transition:all .22s ease}
.viz-tour:hover{border-color:var(--accent);color:var(--accent-deep)}
.viz-tour:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}
.viz-tour .ico{width:16px;height:16px;fill:var(--accent-deep);flex:none}
.viz-tourwrap{text-align:center}

/* ---------- right column ---------- */
.viz-quiz{margin-bottom:1.4rem}
.viz-quiz-label{font-size:.82rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.6rem}
.viz-chips{display:flex;flex-wrap:wrap;gap:.5rem}
.viz-chip{padding:.42rem .9rem;border:1px solid var(--line);border-radius:100px;background:var(--bg);
  cursor:pointer;font-family:var(--font);font-weight:600;font-size:.85rem;color:var(--muted);transition:all .2s ease}
.viz-chip:hover{border-color:var(--accent);color:var(--accent-deep)}
.viz-chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.viz-chip:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}

.viz-controls{display:flex;flex-direction:column;gap:.5rem}
.viz-opt{display:flex;align-items:center;gap:.7rem;width:100%;text-align:left;padding:.7rem 1.05rem;
  border:1px solid var(--line);border-radius:100px;background:var(--bg);cursor:pointer;
  font-family:var(--font);font-weight:600;font-size:.95rem;color:var(--ink);transition:all .22s ease;line-height:1.15}
.viz-opt:hover{border-color:var(--accent);color:var(--accent-deep)}
.viz-opt[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.viz-opt:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}
.viz-opt.dim{opacity:.4}
.viz-opt .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;transition:transform .2s}
.viz-opt[aria-selected="true"] .dot{background:var(--bg);transform:scale(1.3)}
.viz-opt .inplan{margin-left:auto;font-size:.72rem;font-weight:700;color:var(--sage);opacity:0;transition:opacity .2s}
.viz-opt.planned .inplan{opacity:1}
.viz-opt[aria-selected="true"].planned .inplan{color:#cfe0c8}

.viz-panel{margin-top:1.4rem;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(1.3rem,3vw,1.9rem)}
.viz-panel h3{font-size:1.4rem;margin-bottom:.7rem}
.viz-meta{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:.9rem}
.viz-meta[hidden]{display:none}
.viz-meta span{display:inline-flex;align-items:center;gap:.35rem;padding:.32rem .7rem;border-radius:8px;
  background:var(--surface);font-size:.78rem;font-weight:600;color:var(--ink)}
.viz-meta span b{color:var(--accent-deep);font-weight:700}
.viz-panel p{color:var(--muted);margin:0 0 1.3rem;min-height:3em}
.viz-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.viz-actions[hidden]{display:none}
.viz-hint{font-style:italic}
.btn-plan{border:0;cursor:pointer;font-family:var(--font)}
.btn-plan.added{background:var(--sage);border-color:var(--sage)}

/* ---------- plan basket ---------- */
.viz-plan{margin-top:2rem;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(1.3rem,3vw,2rem);opacity:0;transform:translateY(10px);
  transition:opacity .4s ease,transform .4s ease}
.viz-plan.show{opacity:1;transform:none}
.viz-plan[hidden]{display:none}
.viz-plan-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.viz-plan-head h3{font-size:1.3rem}
.viz-plan-head .count{font-size:.85rem;color:var(--muted);font-weight:600}
.viz-basket{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1.4rem}
.viz-tag{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .5rem .45rem .95rem;
  background:var(--blush);border:1px solid var(--blush-bar);border-radius:100px;font-size:.88rem;font-weight:600;color:var(--ink)}
.viz-tag button{width:20px;height:20px;border:0;border-radius:50%;background:rgba(42,38,34,.12);color:var(--ink);
  cursor:pointer;font-size:.9rem;line-height:1;display:grid;place-items:center;transition:background .2s}
.viz-tag button:hover{background:var(--accent);color:#fff}
.viz-plan-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.viz-plan-empty{color:var(--muted);font-style:italic;margin:0}

.viz-disclaimer{max-width:760px;margin:1.8rem auto 0;text-align:center;color:var(--muted);
  font-size:.82rem;line-height:1.6;border-top:1px solid var(--line);padding-top:1.4rem}

@media (max-width:820px){
  .viz-layout{grid-template-columns:1fr;gap:1.8rem}
  .viz-stage{position:static;max-width:380px}
  .viz-controls{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
  .viz-opt{font-size:.88rem;padding:.65rem .85rem}
}
@media (max-width:460px){
  .viz-controls{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  .viz-photo,.viz-mesh,.viz-plan,.viz-dot,.viz-dot::before{transition:none !important}
  .viz-frame.on .viz-photo{transform:none !important}
  .viz-dot::after{animation:none !important;opacity:0}
}