/* =========================================================
   NATRA SHIVA — motion layer (rev. 2, per Motion Audit 2026-10-04)
   Hierarchy: one atmospheric scene (home) · one-time content reveals · light, immediate feedback
   The sculpture never moves: only camera, environment and light.
   ========================================================= */
@property --a{syntax:'<angle>';inherits:false;initial-value:360deg}
:root{--ease:cubic-bezier(.22,.8,.16,1);--ease-io:cubic-bezier(.7,0,.2,1)}
html,body{overflow-x:clip}

/* ---------- page transition: short clock-hand sweep (never a long black screen) ---------- */
.veil{position:fixed;inset:0;z-index:120;pointer-events:none;background:radial-gradient(ellipse at 50% 55%,#2b0710,#0f0206 70%);
 -webkit-mask:conic-gradient(from 0deg at 50% 50%,transparent var(--a),#000 var(--a));mask:conic-gradient(from 0deg at 50% 50%,transparent var(--a),#000 var(--a));
 --a:0deg;animation:veilOpen .55s var(--ease-io) forwards}
.veil .hand{position:absolute;left:50%;top:50%;width:1px;height:max(70vh,70vw);background:linear-gradient(180deg,rgba(247,226,173,.9),rgba(212,173,102,.12) 70%,transparent);transform-origin:50% 0;transform:rotate(180deg);animation:handSweep .55s var(--ease-io) forwards}
@keyframes veilOpen{from{--a:0deg}to{--a:360deg;visibility:hidden}}
@keyframes handSweep{from{transform:rotate(180deg);opacity:.9}to{transform:rotate(540deg);opacity:0}}
.veil.leave{--a:360deg;animation:veilClose .38s var(--ease-io) forwards;visibility:visible}
.veil.leave .hand{animation:handBack .38s var(--ease-io) forwards}
@keyframes veilClose{from{--a:360deg}to{--a:0deg}}
@keyframes handBack{from{transform:rotate(540deg);opacity:0}20%{opacity:.85}to{transform:rotate(180deg);opacity:.85}}
html:not(.mo) .veil{display:none}

/* ---------- scroll progress & header ---------- */
.sprog{position:fixed;left:0;top:0;height:2px;width:100%;z-index:90;background:linear-gradient(90deg,#8a6430,#f3d996,#c79b56);transform-origin:0 50%;transform:scaleX(0);pointer-events:none}
.mo .hdr.fix{transition:transform .45s var(--ease),background .3s}
.mo .hdr.fix.up{transform:translateY(-102%)}

/* ---------- hero entry: image & brand visible at once; copy ≤1.2s ---------- */
.mo .hero .hc>*{animation:rise .75s var(--ease) both;animation-delay:calc(.12s + var(--i,0)*.11s)}
.mo .hero .hc>*:nth-child(2){--i:1}.mo .hero .hc>*:nth-child(3){--i:2}.mo .hero .hc>*:nth-child(4){--i:3}
.mo .hero .hc>*:nth-child(5){--i:3.8}.mo .hero .hc>*:nth-child(n+6){--i:4.5}
.mo .hero .hc>.ctas{animation-delay:.6s}
.mo .hero .hcap,.mo .hero .hq{animation:rise .75s .55s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.mo .hero .rule{animation:drawX .7s .4s var(--ease) both;transform-origin:0 50%}
.mo .hero.center .rule{transform-origin:50% 50%}
@keyframes drawX{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* ---------- atmosphere (light only near real flames; smoke only on the home scene) ---------- */
.flames{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.flm{position:absolute;width:var(--s);height:calc(var(--s) * 1.35);margin:calc(var(--s) * -.8) 0 0 calc(var(--s) * -.5);border-radius:50%;
 background:radial-gradient(ellipse at 50% 58%,rgba(255,226,170,.85),rgba(255,170,80,.35) 30%,rgba(255,120,40,.08) 55%,rgba(255,120,40,0) 72%);mix-blend-mode:screen;
 opacity:.6;animation:candle var(--d,2.6s) ease-in-out infinite;animation-delay:var(--dl,0s);will-change:opacity,transform}
@keyframes candle{0%{opacity:.45;transform:scale(.94,.97)}12%{opacity:.85;transform:scale(1.04,1.06)}24%{opacity:.6}38%{opacity:.95;transform:scale(1.06,1.1)}52%{opacity:.55;transform:scale(.97,1)}67%{opacity:.8}81%{opacity:.5;transform:scale(1.02,1.04)}100%{opacity:.45;transform:scale(.94,.97)}}
/* slow cinematic camera push on the hero picture (the sculpture itself never moves independently) */
.mo .hero-media img,.mo .hero-media .fxcv{animation:camera 26s ease-in-out infinite alternate;transform-origin:var(--pos,65% 45%)}
.fxcv{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;display:block}
@keyframes camera{from{transform:scale(1)}to{transform:scale(1.06)}}
.atmos{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-media::after{z-index:2}
.hero-in{z-index:3}

/* ---------- content reveals: once, 500–650ms, 12–20px ---------- */
.mo .rv{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .65s var(--ease);transition-delay:var(--d,0s)}
.mo .rv.in{opacity:1;transform:none}
.mo .rvi{clip-path:inset(0 0 100% 0);transition:clip-path .7s var(--ease);transition-delay:var(--d,0s)}
.mo .rvi>img{transform:scale(1.05);transition:transform 1s var(--ease);transition-delay:var(--d,0s)}
.mo .rvi.in{clip-path:inset(0 0 0 0)}
.mo .rvi.in>img{transform:scale(1)}
.mo a:hover .rvi.in>img,.mo .zoom:hover .rvi.in>img{transform:scale(1.04);transition-duration:.9s;transition-delay:0s}
.chline{position:absolute;left:0;right:0;top:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(247,226,173,.8) 50%,transparent);transform:scaleX(0);transition:transform 1.1s var(--ease);z-index:2;pointer-events:none}
.chline.in{transform:scaleX(1)}

/* ---------- hover: light passing over bronze (feedback, not decoration) ---------- */
.sheen{position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(115deg,transparent 35%,rgba(255,226,160,.22) 48%,rgba(255,244,214,.34) 50%,rgba(255,226,160,.18) 53%,transparent 66%);transform:translateX(-120%);mix-blend-mode:screen}
.mo a:hover .sheen,.mo .pc:hover .sheen,.mo .cp:hover .sheen,.mo .rp:hover .sheen,.mo .sym:hover .sheen,.mo .tc:hover .sheen,.mo .ob:hover .sheen,.mo .as:hover .sheen{animation:sheen 1.1s var(--ease)}
@keyframes sheen{to{transform:translateX(120%)}}
.mo .btn{position:relative;overflow:hidden}
.mo .btn::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.4) 50%,transparent 70%);transform:translateX(-120%);pointer-events:none}
.mo .btn:hover::after{animation:sheen .9s var(--ease)}

/* ---------- chapter rail: dots only, in its own gutter, never over content ---------- */
.chap{position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:45;display:none;flex-direction:column;align-items:flex-end;gap:0;font-family:var(--sans);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.chap.show{opacity:1;visibility:visible}
.chap .cnum{font-family:"Cormorant",serif;font-size:13px;letter-spacing:.12em;color:var(--g1);margin-bottom:8px;display:flex;gap:4px;align-items:baseline}
.chap .cnum b{font-weight:500;font-size:18px}
.chap .cnum span{color:var(--mu)}
.chap button{position:relative;display:flex;align-items:center;justify-content:flex-end;width:44px;height:26px;color:var(--tx)}
.chap button i{display:block;width:14px;height:1px;background:rgba(212,173,102,.55);transition:width .35s var(--ease),background .25s}
.chap button.on i{width:30px;background:var(--g0)}
.chap button span{position:absolute;right:52px;top:50%;transform:translate(6px,-50%);white-space:nowrap;padding:7px 12px;font-size:13px;color:var(--g0);background:rgba(28,4,9,.96);border:1px solid var(--line);opacity:0;visibility:hidden;transition:opacity .2s,transform .25s,visibility .2s;pointer-events:none}
.chap button:hover span,.chap button:focus-visible span{opacity:1;visibility:visible;transform:translate(0,-50%)}
.chap button:focus-visible{outline:none}.chap button:focus-visible i{outline:2px solid var(--g1);outline-offset:4px}
@media (min-width:1600px) and (pointer:fine){.mo .chap{display:flex}}

/* ---------- product gallery & lightbox ---------- */
#pdMain{transition:opacity .25s ease}
#pdMain.fade{opacity:0}
.pd-main{cursor:zoom-in}
.lbx{position:fixed;inset:0;z-index:140;background:rgba(10,2,5,.94);display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;padding:calc(56px + env(safe-area-inset-top,0px)) 16px calc(24px + env(safe-area-inset-bottom,0px))}
.lbx.on{opacity:1;visibility:visible}
.lbx img{max-width:min(1100px,100%);max-height:100%;object-fit:contain;border:1px solid var(--line2)}
.lbx-x{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:16px;width:44px;height:44px;border:1px solid var(--g2);border-radius:50%;color:var(--g1);display:grid;place-items:center;background:rgba(30,4,9,.8)}
.lbx-x .i{width:22px;height:22px}
.zoomable{cursor:zoom-in}

/* ---------- before / after comparison ---------- */
.bax{position:relative;overflow:hidden;border:1px solid var(--g3);aspect-ratio:1;touch-action:pan-y;user-select:none;-webkit-user-select:none;--p:50%;background:#1d050a}
.bax img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.bax .b-bef{clip-path:inset(0 calc(100% - var(--p)) 0 0)}
.bax.anim .b-bef{transition:clip-path .3s var(--ease)}.bax.anim .bh{transition:left .3s var(--ease)}
.bh{position:absolute;top:0;bottom:0;left:var(--p);width:2px;margin-left:-1px;background:linear-gradient(180deg,rgba(247,226,173,.2),var(--g0),rgba(247,226,173,.2));z-index:2;cursor:ew-resize}
.bh::after{content:"";position:absolute;top:50%;left:50%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;border:1px solid var(--g0);background:rgba(30,4,9,.85) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f3d996' stroke-width='1.5'%3E%3Cpath d='M9 6l-5 6 5 6M15 6l5 6-5 6'/%3E%3C/svg%3E") center/22px no-repeat}
.bax.hint .bh::after{animation:pulse 1.6s ease-in-out 3}
@keyframes pulse{50%{box-shadow:0 0 0 10px rgba(243,217,150,.15)}}
.bax:focus-visible{outline:2px solid var(--g1);outline-offset:3px}
.bax .tagb{position:absolute;bottom:14px;z-index:3;background:rgba(40,6,14,.9);border:1px solid var(--g2);padding:4px 18px;text-align:center;font-family:var(--sans);color:var(--cream);font-size:15px;line-height:1.25;cursor:pointer}
.bax .tagb small{display:block;font-family:var(--en);font-size:9.5px;letter-spacing:.2em;color:var(--mu)}
.bax .tb-b{left:14px}.bax .tb-a{right:14px}
.bax .tagb[aria-pressed=true]{border-color:var(--g0);background:rgba(212,173,102,.25)}

/* ---------- consultation & forms ---------- */
.flash{animation:flash .6s ease-out}
@keyframes flash{0%{box-shadow:0 0 0 0 rgba(199,155,86,.0)}35%{box-shadow:0 0 0 4px rgba(199,155,86,.45)}100%{box-shadow:0 0 0 0 rgba(199,155,86,0)}}
.cal-g button{transition:background .18s,color .18s,border-color .18s}
.ferr{display:block;font-family:var(--sans);font-size:12.5px;color:#e08a70;margin-top:4px;animation:errIn .2s ease-out}
.parch .ferr{color:#b23a1e}
@keyframes errIn{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){.veil,.atmos,.flames,.chap,.sprog{display:none!important}#pdMain,.lbx,.bax *{transition:none!important}.bax.hint .bh::after{animation:none}}