/* =====================================================================
   ai-sns.io — Modern 3D layer (HF rebuild)
   Sits on top of the original "Signal / Neon" theme: same tokens, same
   content, more depth, softer contrast, glass surfaces, 3D motion.
   ===================================================================== */
:root{
  --m3d-radius:22px;
  --m3d-radius-sm:14px;
  --m3d-glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02) 42%,rgba(139,92,255,.05));
  --m3d-edge:rgba(238,241,255,.14);
  --m3d-edge-hi:rgba(31,227,255,.45);
  --m3d-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 24px 60px -24px rgba(0,0,0,.75),0 8px 22px -12px rgba(31,227,255,.18);
  --m3d-shadow-hi:0 1px 0 rgba(255,255,255,.1) inset,0 40px 90px -30px rgba(0,0,0,.85),0 18px 50px -18px rgba(139,92,255,.45);
  --ink-dim:rgba(238,241,255,.72);   /* softer, more readable body copy */
}

html{scroll-behavior:smooth}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto !important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:hidden}
body{line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.grain{opacity:.03 !important;mix-blend-mode:normal !important} /* calmer texture; no full-screen blend per frame */
::selection{background:rgba(139,92,255,.45);color:#fff}

/* ---------- ambient depth: drifting light volumes behind every page ---------- */
.m3d-ambient{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;perspective:900px}
.m3d-ambient i{position:absolute;border-radius:50%;opacity:.3;
  animation:m3d-drift 26s var(--ease) infinite alternate}
.m3d-ambient i:nth-child(1){width:46vmax;height:46vmax;left:-12vmax;top:-10vmax;background:radial-gradient(circle,#1fe3ff 0,transparent 62%)}
.m3d-ambient i:nth-child(2){width:40vmax;height:40vmax;right:-14vmax;top:30vh;background:radial-gradient(circle,#8b5cff 0,transparent 62%);animation-duration:32s;animation-delay:-8s}
.m3d-ambient i:nth-child(3){width:34vmax;height:34vmax;left:20vw;bottom:-18vmax;background:radial-gradient(circle,#ff2fb4 0,transparent 62%);opacity:.18;animation-duration:38s;animation-delay:-16s}
@keyframes m3d-drift{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(6vw,4vh,60px) scale(1.12)}
  100%{transform:translate3d(-4vw,-3vh,-40px) scale(.94)}
}
main,#main,.site-header,footer,.shopify-section{position:relative;z-index:1}

/* pointer spotlight */
.m3d-spot{position:fixed;left:0;top:0;width:1200px;height:1200px;margin:-600px 0 0 -600px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(31,227,255,.07),transparent 50%);transform:translate3d(var(--mx,50vw),var(--my,30vh),0)}

/* ---------- header: floating glass bar ---------- */
.site-header{transition:transform .5s var(--ease),background .4s,box-shadow .4s}
.site-header.is-stuck{
  background:rgba(10,10,20,.55) !important;
  -webkit-backdrop-filter:saturate(160%) blur(18px);backdrop-filter:saturate(160%) blur(18px);
  box-shadow:0 1px 0 var(--m3d-edge),0 18px 40px -24px rgba(0,0,0,.8);
}
.lang__menu{border-radius:var(--m3d-radius-sm) !important;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--m3d-shadow-hi) !important}

/* ---------- WebGL hero stage ---------- */
.hero{isolation:isolate}
.m3d-stage{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:0;transition:opacity 1.6s var(--ease)}
.m3d-stage.is-live{opacity:1}
.m3d-stage canvas{width:100% !important;height:100% !important;display:block}
.hero > .container{position:relative;z-index:2}
.hero .hero-bot{filter:drop-shadow(0 30px 40px rgba(31,227,255,.25))}
.hero h1,.hero .hero__title{text-shadow:0 10px 40px rgba(0,0,0,.55)}

/* ---------- 3D tilt surfaces ---------- */
.m3d-tilt{
  --rx:0deg;--ry:0deg;--gx:50%;--gy:50%;--lift:0px;
  transform:perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry)) translate3d(0,var(--lift),0);
  transform-style:preserve-3d;
  transition:transform .55s var(--ease),box-shadow .55s var(--ease),border-color .4s;
}
.m3d-tilt.is-tilting{will-change:transform;transition:transform .12s linear,box-shadow .4s var(--ease),border-color .4s}
.m3d-tilt::after{ /* specular glare that follows the pointer */
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:3;
  background:radial-gradient(420px circle at var(--gx) var(--gy),rgba(255,255,255,.13),transparent 45%);
  opacity:0;transition:opacity .4s;mix-blend-mode:screen;
}
.m3d-tilt.is-tilting::after{opacity:1}
.m3d-tilt:hover{--lift:-6px}

/* glass for every card-like block of the theme */
.product-card,.cap,.step,.mdl,.quote,.hud-panel,.stat,.pdp__media,.info-row,.faq__item,
.shopify-policy__container,.section .rte,.modal__panel{
  position:relative;
  border-radius:var(--m3d-radius) !important;
  background:var(--m3d-glass),rgba(12,12,24,.55) !important;
  border:1px solid var(--m3d-edge) !important;
  box-shadow:var(--m3d-shadow);
}
/* drawer keeps the theme's fixed positioning; only the glass look is added */
.drawer{border-radius:var(--m3d-radius) 0 0 var(--m3d-radius) !important;background:var(--m3d-glass),rgba(12,12,24,.82) !important;border:1px solid var(--m3d-edge) !important;box-shadow:var(--m3d-shadow-hi)}
.drawer,.modal__panel{-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%)}
.product-card:hover,.cap:hover,.step:hover,.mdl:hover,.quote:hover,.hud-panel:hover,.stat:hover{
  border-color:var(--m3d-edge-hi) !important;box-shadow:var(--m3d-shadow-hi);
}
.product-card{overflow:hidden}
.product-card__media{transform:translateZ(40px);transition:transform .6s var(--ease)}
.product-card:hover .product-card__media{transform:translateZ(60px) scale(1.03)}
.product-card__body,.cap > *,.step > *,.mdl > *{transform:translateZ(24px)}
.product-card__tag,.price{transform:translateZ(46px)}

/* text pages become a floating glass sheet */
.section .rte,.shopify-policy__container{padding:clamp(24px,4vw,56px) !important;max-width:920px;margin-inline:auto !important}
.shopify-policy__container{margin-top:clamp(90px,12vw,140px) !important;margin-bottom:80px !important}
.rte h1,.rte h2,.rte h3,.shopify-policy__title h1{letter-spacing:-.01em}
.rte img{border-radius:var(--m3d-radius-sm)}

/* perspective floor under page heroes */
.page-hero{position:relative;overflow:hidden;isolation:isolate}
.page-hero::before{
  content:"";position:absolute;left:-25%;right:-25%;bottom:0;height:70%;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(31,227,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(139,92,255,.16) 1px,transparent 1px);
  background-size:64px 64px;
  transform:perspective(600px) rotateX(64deg);transform-origin:50% 100%;
  -webkit-mask-image:linear-gradient(to top,#000 10%,transparent 75%);mask-image:linear-gradient(to top,#000 10%,transparent 75%);
  animation:m3d-floor 14s linear infinite;
}
@keyframes m3d-floor{to{background-position:0 64px,0 0}}

/* ---------- buttons with physical depth ---------- */
.btn{transform:translate3d(0,0,0);transition:transform .35s var(--ease),box-shadow .35s var(--ease),filter .3s}
.btn--primary{box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 -2px 0 rgba(0,0,0,.25) inset,0 12px 30px -10px rgba(31,227,255,.55),0 4px 0 -1px rgba(60,40,140,.55)}
.btn:hover{transform:translate3d(0,-3px,0)}
.btn--primary:hover{filter:brightness(1.08);box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 -2px 0 rgba(0,0,0,.25) inset,0 20px 40px -12px rgba(139,92,255,.7),0 6px 0 -1px rgba(60,40,140,.55)}
.btn:active{transform:translate3d(0,1px,0) scale(.985);transition-duration:.08s}
.btn--ghost{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.icon-btn,.add-btn,.cart-btn,.lang__btn,.qty{border-radius:999px !important}

/* ---------- 3D scroll entrance (replaces the flat fade) ---------- */
.m3d-ready .reveal{
  opacity:0;transform:perspective(1200px) translate3d(0,26px,-40px) rotateX(8deg);
  transition:opacity .55s var(--ease),transform .65s var(--ease);transform-origin:50% 100%;
}
.m3d-ready .reveal.is-in{opacity:1;transform:none}
.m3d-ready .reveal.m3d-tilt.is-in{transform:perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry)) translate3d(0,var(--lift),0)}
.m3d-ready .reveal[data-d="1"]{transition-delay:.04s}.m3d-ready .reveal[data-d="2"]{transition-delay:.08s}
.m3d-ready .reveal[data-d="3"]{transition-delay:.12s}.m3d-ready .reveal[data-d="4"]{transition-delay:.16s}

/* above-the-fold content is never held back by an entrance animation (fast LCP) */
.page-hero .reveal,.pdp .reveal,.crumbs.reveal,.c-hero .reveal,.m3d-ready .page-hero .reveal,.m3d-ready .pdp .reveal,.reveal.m3d-now{opacity:1 !important;transform:none !important;transition:none !important}

/* section titles get a soft extruded depth */
.section__title{text-shadow:0 1px 0 rgba(255,255,255,.06),0 18px 40px rgba(0,0,0,.45)}

/* scroll progress */
.m3d-progress{position:fixed;left:0;top:0;height:2px;width:100%;z-index:1000;pointer-events:none;
  background:var(--grad);transform-origin:0 50%;transform:scaleX(var(--p,0));box-shadow:0 0 12px rgba(31,227,255,.6)}

/* closed mobile menu never peeks in on short screens */
.mobile-menu{overflow-y:auto}
.mobile-menu:not(.is-open){visibility:hidden;transition:transform .55s var(--ease),visibility 0s .55s}

/* ---------- comfort & accessibility ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
@media (hover:none),(pointer:coarse){
  .m3d-tilt{transform:none !important}
  .m3d-spot{display:none}
}
@media (max-width:720px){
  .m3d-stage.is-live{opacity:.75}
  .m3d-ambient i{opacity:.22}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .m3d-ambient i,.page-hero::before{animation:none}
  .m3d-ready .reveal{opacity:1;transform:none;transition:none}
  .m3d-tilt{transform:none !important;transition:none}
}

/* AI-SNS.IO family strip */
.m3d-family{position:relative;z-index:1;border-top:1px solid var(--line-2);padding:34px 0 30px}
.m3d-family__h{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 14px}
.m3d-family__links{display:flex;flex-wrap:wrap;gap:10px}
.m3d-family__links a{font-size:13px;color:var(--ink-dim);padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .25s,border-color .25s,transform .35s var(--ease),background .25s}
.m3d-family__links a:hover{color:var(--ink);border-color:var(--m3d-edge-hi);background:rgba(31,227,255,.06);transform:translate3d(0,-2px,0)}
.pdp__buy{flex-wrap:wrap}
.m3d-chatapp{white-space:nowrap}

/* ---------- spacing inside the glass cards ----------
   The theme drew these as borderless rows/columns with no side padding; as
   cards they need room inside and air between them. */
html .step{padding:24px 24px 26px}
html .stat{padding:24px 24px 22px}
html .info-row{padding:18px 22px;margin-bottom:12px}
html .info-row:last-child{margin-bottom:0}
html .faq__item{margin-bottom:12px}
html .faq__item:last-child{margin-bottom:0}
html .faq__q{padding:20px 24px;gap:18px;text-align:start;width:100%}
html .faq__a > *{margin:0;padding:0 24px}
html .faq__a > *:last-child{padding-bottom:22px}
html .faq__item.is-open{border-color:var(--m3d-edge-hi) !important}
@media (max-width:600px){
  html .step,html .stat{padding:20px 18px 22px}
  html .faq__q{padding:18px 18px;font-size:16px}
  html .faq__a > *{padding:0 18px}
  html .faq__a > *:last-child{padding-bottom:18px}
  html .steps{gap:12px}
}