/* ==========================================================================
   SACOM 2026 — Premium interactivity layer (Phase 3)
   Overrides the ATF motion ceiling (motion/depth only — type/spacing/color unchanged).
   All effects degrade to static under prefers-reduced-motion.
   ========================================================================== */

/* ---------- Film grain overlay (depth / "designed" feel) ---------- */
.grain{position:fixed;inset:0;z-index:1500;pointer-events:none;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@media (prefers-reduced-motion:reduce){.grain{display:none}}

/* ---------- Page-load intro curtain ---------- */
.intro{position:fixed;inset:0;z-index:3000;background:var(--dark-bg);display:flex;align-items:center;justify-content:center;
  will-change:transform;transition:transform .7s cubic-bezier(.76,0,.24,1);
  animation:introLift .75s cubic-bezier(.76,0,.24,1) .95s forwards}/* CSS auto-lift = safety net if JS fails */
.intro img{height:54px;width:auto;opacity:0;transform:translateY(10px);animation:introLogo .55s var(--ease) .05s forwards}
.intro.lift{transform:translateY(-100%)}
@keyframes introLogo{to{opacity:1;transform:none}}
@keyframes introLift{to{transform:translateY(-100%);visibility:hidden;pointer-events:none}}
html.no-intro .intro,@media (prefers-reduced-motion:reduce){.intro{display:none}}

/* ---------- Custom cursor (desktop, fine pointer only) ---------- */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;z-index:2500;pointer-events:none;border-radius:50%;
  transform:translate(-50%,-50%);will-change:transform;mix-blend-mode:difference}
.cursor-dot{width:6px;height:6px;background:#fff}
.cursor-ring{width:34px;height:34px;border:1px solid rgba(255,255,255,.6);transition:width .25s,height .25s,background .25s,border-color .25s}
.cursor-ring.grow{width:60px;height:60px;background:rgba(255,255,255,.08);border-color:transparent}
.cursor-ring .clabel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-body);
  font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#fff;opacity:0;transition:.2s}
.cursor-ring.grow .clabel{opacity:1}
body.has-cursor{cursor:none}
body.has-cursor a,body.has-cursor button{cursor:none}
@media (hover:none),(pointer:coarse),(prefers-reduced-motion:reduce){.cursor-dot,.cursor-ring{display:none}}

/* ---------- Section index (right-edge 01/06) — extends .dotnav ---------- */
.sectionindex{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:700;display:flex;flex-direction:column;gap:14px}
.sectionindex a{display:flex;align-items:center;gap:10px;justify-content:flex-end;color:var(--text-secondary);font-size:10px;
  font-weight:600;letter-spacing:.06em;opacity:.55;transition:.25s var(--ease)}
.sectionindex a .si-num{font-family:var(--font-head)}
.sectionindex a .si-line{width:18px;height:1px;background:currentColor;transition:width .25s var(--ease)}
.sectionindex a.active{opacity:1;color:var(--accent)}
.sectionindex a.active .si-line{width:34px;background:var(--accent-subtle)}
.sectionindex a .si-label{position:absolute;right:46px;white-space:nowrap;background:var(--dark-bg);color:#fff;font-size:11px;
  padding:3px 9px;border-radius:5px;opacity:0;transform:translateX(6px);transition:.2s;pointer-events:none}
.sectionindex a:hover .si-label{opacity:1;transform:none}
.dark-context .sectionindex a{color:rgba(255,255,255,.6)}
@media (max-width:1100px){.sectionindex{display:none}}

/* ---------- Split-text reveal ---------- */
[data-split] .line{overflow:hidden;display:block}
[data-split].split-ready .line>*{display:inline-block;will-change:transform}

/* ---------- Clip-path image wipe ---------- */
[data-wipe]{clip-path:inset(0 0 100% 0)}
[data-wipe].wiped{clip-path:inset(0 0 0 0);transition:clip-path .9s cubic-bezier(.76,0,.24,1)}
@media (prefers-reduced-motion:reduce){[data-wipe]{clip-path:none!important}}

/* ---------- Header hide-on-scroll-down ---------- */
.site-header{transition:transform .4s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease),height .3s var(--ease)}
.site-header.hide{transform:translateY(-100%)}
.site-header.scrolled{background:rgba(246,248,250,.82);backdrop-filter:saturate(1.2) blur(12px)}

/* ---------- Magnetic buttons ---------- */
.btn[data-magnetic]{will-change:transform}

/* ---------- HOME: pinned horizontal divisions ---------- */
.hscroll{position:relative}
.hscroll__track{display:flex;flex-direction:column}
.hscroll__track.is-h{flex-direction:row;flex-wrap:nowrap;height:100vh}
.hpanel{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:46px;padding:44px 6vw}
.hscroll__track.is-h .hpanel{flex:0 0 100%;height:100vh;padding:0 6vw}
.hpanel__media .sacom-img{box-shadow:var(--shadow-lg)}
.hpanel__n{font-family:var(--font-head);font-size:13px;font-weight:700;color:var(--accent-subtle);letter-spacing:.1em}
.hpanel h2{margin:8px 0 14px}
@media (max-width:860px){
  /* fallback: stack vertically, no pin */
  .hpanel{grid-template-columns:1fr;min-height:auto;padding:36px 0;gap:20px}
}

/* ---------- Sectors marquee (CSS, pause on hover) ---------- */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;gap:0;width:max-content;animation:marq 32s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{display:inline-flex;align-items:center;font-family:var(--font-head);font-weight:600;font-size:clamp(18px,2.4vw,26px);
  color:var(--text-primary);padding:0 28px;white-space:nowrap}
.marquee span::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-subtle);margin-left:28px}
.dark .marquee span{color:#fff}
@keyframes marq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none;flex-wrap:wrap;justify-content:center}}

/* ---------- Stats band — moving gradient + copper divider ---------- */
.statsband{position:relative;overflow:hidden;background:var(--dark-bg)}
.statsband::before{content:"";position:absolute;inset:-40% -10%;background:
  radial-gradient(40% 60% at 20% 30%,rgba(var(--accent-rgb),.5),transparent 60%),
  radial-gradient(40% 60% at 80% 70%,rgba(var(--copper-rgb),.28),transparent 60%);
  filter:blur(20px);animation:floatgrad 18s ease-in-out infinite alternate}
.statsband .container{position:relative;z-index:1}
.statsband .copper-rule{height:1px;background:linear-gradient(90deg,transparent,var(--accent-subtle),transparent);margin:0 0 30px}
@keyframes floatgrad{to{transform:translate3d(4%,3%,0) scale(1.1)}}
@media (prefers-reduced-motion:reduce){.statsband::before{animation:none}}

/* ---------- Bearing hotspots (exploded / annotated) ---------- */
.hotspots{position:relative}
.hotspots__img{position:relative;border-radius:var(--radius-lg);overflow:hidden}
.hotspot{position:absolute;width:26px;height:26px;border-radius:50%;background:rgba(var(--copper-rgb),.95);
  border:2px solid #fff;transform:translate(-50%,-50%);cursor:pointer;z-index:3;box-shadow:0 0 0 0 rgba(var(--copper-rgb),.5)}
.hotspot::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(var(--copper-rgb),.6);animation:hsping 2.4s ease-out infinite}
.hotspot .n{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;font-family:var(--font-head)}
.hotspot__card{position:absolute;left:50%;bottom:34px;transform:translateX(-50%) translateY(8px);width:200px;background:var(--dark-bg);
  color:#fff;border:1px solid rgba(var(--copper-rgb),.3);border-radius:10px;padding:12px 14px;opacity:0;visibility:hidden;
  transition:.25s var(--ease);z-index:4;box-shadow:var(--shadow-lg)}
.hotspot:hover{background:var(--accent)}
.hotspot:hover .hotspot__card,.hotspot.open .hotspot__card{opacity:1;visibility:visible;transform:translateX(-50%)}
.hotspot__card h4{color:#fff;font-size:13px;margin-bottom:3px}
.hotspot__card p{color:var(--dark-text-muted);font-size:12px;margin:0;line-height:1.5}
@keyframes hsping{0%{transform:scale(1);opacity:.7}100%{transform:scale(2.2);opacity:0}}
@media (prefers-reduced-motion:reduce){.hotspot::after{animation:none}}
@media (max-width:600px){.hotspot__card{width:160px}}

/* ---------- Before/After regrinding slider ---------- */
.ba{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/10;user-select:none;touch-action:none}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba__after{position:absolute;inset:0;overflow:hidden;width:50%}
.ba__after img{width:100vw;max-width:none;height:100%}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translateX(-50%);z-index:3;cursor:ew-resize}
.ba__handle::before{content:"";position:absolute;top:50%;left:50%;width:42px;height:42px;border-radius:50%;background:#fff;
  transform:translate(-50%,-50%);box-shadow:var(--shadow)}
.ba__handle::after{content:"⟺";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--accent);font-size:16px}
.ba__tag{position:absolute;top:12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#fff;
  background:rgba(13,20,28,.7);padding:4px 10px;border-radius:50px;z-index:2}
.ba__tag.before{right:12px}.ba__tag.after{left:12px}

/* ---------- Automation: bento grid ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:14px}
.bento .tile{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--border);background:#fff;
  padding:20px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.bento .tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.bento .tile.lg{grid-column:span 2;grid-row:span 2}
.bento .tile.wide{grid-column:span 2}
.bento .tile .ico{color:var(--accent);margin-bottom:10px}
.bento .tile h4{font-size:15px;margin-bottom:4px}
.bento .tile p{font-size:13px;color:var(--text-secondary);margin:0}
.bento .tile.img{color:#fff;border:0}
.bento .tile.img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.bento .tile.img::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,13,19,.85),rgba(8,13,19,.2));z-index:1}
.bento .tile.img .inner{position:relative;z-index:2}
.bento .tile.img h4{color:#fff}.bento .tile.img p{color:rgba(255,255,255,.8)}
@media (max-width:860px){.bento{grid-template-columns:repeat(2,1fr)}.bento .tile.lg{grid-column:span 2;grid-row:span 1}}
@media (max-width:520px){.bento{grid-template-columns:1fr}.bento .tile.lg,.bento .tile.wide{grid-column:span 1}}

/* ---------- IIOT glass dashboard ---------- */
.dash{background:rgba(255,255,255,.05);backdrop-filter:blur(10px);border:1px solid rgba(var(--copper-rgb),.22);
  border-radius:var(--radius-lg);padding:24px}
.dash__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.dash__kpi .v{font-family:var(--font-head);font-weight:700;font-size:clamp(24px,3vw,34px);color:var(--accent-subtle)}
.dash__kpi .k{font-size:12px;color:var(--dark-text-muted);text-transform:uppercase;letter-spacing:.06em}
.dash svg{width:100%;height:90px;display:block}
.dash .spark{fill:none;stroke:var(--accent-subtle);stroke-width:2;stroke-linecap:round;
  stroke-dasharray:1000;stroke-dashoffset:1000}
.dash.in .spark{animation:draw 2s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@media (max-width:520px){.dash__grid{grid-template-columns:1fr}}

/* ---------- Float-label contact fields ---------- */
.ff{position:relative}
.ff input,.ff textarea{padding-top:20px}
.ff label{position:absolute;left:14px;top:14px;font-size:15px;color:var(--text-secondary);font-weight:400;pointer-events:none;
  transition:.2s var(--ease);margin:0}
.ff input:focus+label,.ff input:not(:placeholder-shown)+label,
.ff textarea:focus+label,.ff textarea:not(:placeholder-shown)+label{top:7px;font-size:10.5px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.05em}

/* success check-draw */
.check-draw{width:54px;height:54px;margin:0 auto 10px;display:block}
.check-draw circle{fill:none;stroke:var(--green,#1B6B25);stroke-width:3;stroke-dasharray:170;stroke-dashoffset:170;animation:draw .6s var(--ease) forwards}
.check-draw path{fill:none;stroke:var(--green,#1B6B25);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:50;stroke-dashoffset:50;animation:draw .4s var(--ease) .5s forwards}

/* ---------- reduced-motion: neutralize transforms ---------- */
@media (prefers-reduced-motion:reduce){
  .hscroll__track{transform:none!important}
  [data-split] .line>*{transform:none!important;opacity:1!important}
}