/* AI stage: pinned, scroll-driven demo (upload -> understand -> plan -> match -> clear -> grow) */
.stage{background:var(--night);color:var(--snow);padding-top:clamp(80px,10vw,130px);position:relative}
.stage::before{content:"";position:absolute;inset:0 0 auto 0;height:50%;background:radial-gradient(60% 70% at 85% 0%,rgba(59,143,196,.22),transparent 70%);pointer-events:none}
.stage__intro{position:relative}
.stage__intro .h2{color:var(--snow)}
.stage__intro .h2 em{color:var(--amber)}
.stage__intro .eyebrow{color:var(--amber)}
.stage__intro .lead{color:#B9CCDC}
.stage__track{height:680vh;position:relative}
.stage__pin{position:sticky;top:0;height:100svh;display:flex;align-items:stretch;padding:calc(var(--hdr) + 14px) 0 26px;overflow:hidden}
.stage__grid{display:grid;grid-template-columns:minmax(300px,.78fr) 1.75fr;gap:clamp(22px,3vw,44px);width:min(1200px,100% - 48px);margin-inline:auto;min-height:0}
.stage__side{display:flex;flex-direction:column;gap:22px;min-height:0}

/* steps rail */
.steps{display:flex;gap:6px;flex-wrap:nowrap}
.steps li{display:flex;align-items:center;gap:0;height:38px;padding:0 5px;border-radius:999px;background:rgba(247,250,252,.07);color:#8EA6BA;font:700 13px/1 var(--sans);cursor:pointer;overflow:hidden;white-space:nowrap;transition:background .4s,color .4s,padding .45s var(--ease),gap .45s var(--ease)}
.steps li i{font-style:normal;flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(247,250,252,.1);font:700 12.5px/1 var(--mono);transition:background .4s,color .4s}
.steps li span{max-width:0;opacity:0;transition:max-width .5s var(--ease),opacity .3s}
.steps li.is-on{background:var(--amber);color:var(--navy);padding:0 14px 0 5px;gap:8px}
.steps li.is-on i{background:var(--navy);color:var(--amber)}
.steps li.is-on span{max-width:140px;opacity:1}
.steps li.is-done i{background:var(--amber);color:var(--navy)}

.cur__k{color:var(--amber);font:500 12.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.cur__body{transition:opacity .35s var(--ease),transform .35s var(--ease)}
.cur__body.out{opacity:0;transform:translateY(10px)}
.cur h3{font-weight:800;font-size:clamp(28px,2.9vw,42px);line-height:1.04;letter-spacing:-.025em;margin-bottom:14px;text-wrap:balance}
.cur p{color:#B9CCDC;font-size:clamp(16px,1.25vw,18px);line-height:1.55;max-width:420px}

.log{margin-top:auto;display:flex;flex-direction:column;gap:7px;height:158px;overflow:hidden;font-size:12.5px;line-height:1.35;color:#9FB4C6;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 40%);mask-image:linear-gradient(180deg,transparent 0,#000 40%);justify-content:flex-end}
.log div{display:grid;grid-template-columns:16px 1fr;gap:8px;animation:logIn .5s var(--ease)}
.log div::before{content:"✓";color:var(--amber);font-weight:700}
.log div:last-child{color:var(--snow)}
@keyframes logIn{from{opacity:0;transform:translateY(8px)}}
.stage__play{align-self:flex-start;color:var(--snow)}
.stage__play svg{width:14px;height:14px}

/* map card */
.stage__map{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#0B2236;border:1px solid rgba(247,250,252,.14);box-shadow:0 40px 90px -30px rgba(0,0,0,.6);container-type:size;min-height:0}
.stage__map svg#map{position:absolute;inset:0;width:100%;height:100%;overflow:hidden}
.map-dim{position:absolute;inset:0;background:rgba(8,23,38,.62);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:2;pointer-events:none;will-change:opacity}
#map .flake{will-change:transform,opacity}
#map text{font-family:var(--mono);font-weight:500}

.hud{position:absolute;inset:14px 14px auto 14px;display:flex;justify-content:space-between;align-items:center;gap:10px;z-index:8;pointer-events:none;flex-wrap:wrap}
.hud__ai,.hud__stats{display:inline-flex;align-items:center;gap:10px;background:rgba(8,23,38,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(247,250,252,.16);border-radius:999px;padding:9px 16px 9px 11px;font:600 clamp(11.5px,1.55cqw,14px)/1 var(--sans);color:var(--snow)}
.hud__stats{padding:9px 16px;color:#B9CCDC;letter-spacing:.02em}
.hud__stats b{color:var(--amber);font-weight:700}
.orb{display:inline-block;flex:none;width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFE6B0,#FFB224 55%,#E08A00);animation:orb 1.9s ease-in-out infinite}
@keyframes orb{0%{box-shadow:0 0 0 0 rgba(255,178,36,.55)}70%{box-shadow:0 0 0 10px rgba(255,178,36,0)}100%{box-shadow:0 0 0 0 rgba(255,178,36,0)}}

.files{position:absolute;inset:0;z-index:6;pointer-events:none}
.file{position:absolute;left:0;top:0;display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--navy);border-radius:14px;padding:9px 14px 9px 9px;font:600 clamp(11px,1.6cqw,14px)/1 var(--sans);box-shadow:0 18px 40px -14px rgba(0,0,0,.6);opacity:0;will-change:transform,opacity;white-space:nowrap}
.fx{font-style:normal;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;font:700 10.5px/1 var(--mono);color:#fff}
.fx--xls{background:#188A52}.fx--pdf{background:#C93A32}.fx--img{background:#3B8FC4}
.core{position:absolute;left:50%;top:46%;width:clamp(78px,16cqw,120px);aspect-ratio:1;margin:calc(clamp(78px,16cqw,120px) / -2) 0 0 calc(clamp(78px,16cqw,120px) / -2);z-index:5;display:grid;place-items:center;opacity:0;will-change:transform,opacity;pointer-events:none}
.core b{position:relative;z-index:2;width:56%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 28%,#FFE6B0,#FFB224 58%,#D98200);display:grid;place-items:center;font:700 clamp(18px,3.4cqw,28px)/1 var(--display);color:var(--navy);box-shadow:0 0 50px rgba(255,178,36,.6)}
.core i{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(255,178,36,.5);animation:core 2.4s ease-out infinite}
.core i:nth-child(2){animation-delay:.8s}.core i:nth-child(3){animation-delay:1.6s}
@keyframes core{0%{transform:scale(.45);opacity:.9}100%{transform:scale(1.5);opacity:0}}

.extract{position:absolute;left:50%;top:52%;width:min(88%,640px);transform:translate(-50%,-50%);z-index:6;background:rgba(8,23,38,.94);border:1px solid rgba(247,250,252,.16);border-radius:18px;padding:clamp(10px,1.8cqw,18px);opacity:0;will-change:transform,opacity;box-shadow:0 30px 70px -20px rgba(0,0,0,.7)}
.extract__h,.xr{display:grid;grid-template-columns:1.25fr 1.7fr .8fr .6fr;gap:10px;align-items:center}
.extract__h{font-size:clamp(9px,1.35cqw,11.5px);letter-spacing:.12em;text-transform:uppercase;color:#7F98AD;padding:4px 8px 10px}
.xr{padding:clamp(6px,1.1cqw,10px) 8px;border-top:1px solid rgba(247,250,252,.08);font-size:clamp(10.5px,1.6cqw,14px);color:#DCE7EF;opacity:0;transform:translateX(-14px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.xr.on{opacity:1;transform:none}
.xr b{color:var(--snow);font-weight:700;display:flex;align-items:center;gap:7px}
.xr b::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);flex:none}
.xr span:nth-child(2){color:#9FB4C6}
.xr span:last-child{font-family:var(--mono);color:var(--amber)}

.card-float{position:absolute;right:14px;bottom:14px;z-index:9;width:min(330px,56%);background:#fff;color:var(--navy);border-radius:18px;padding:clamp(12px,2.4cqw,18px);box-shadow:0 30px 60px -18px rgba(0,0,0,.65);opacity:0;transform:translateY(24px) scale(.97);transition:opacity .5s var(--ease),transform .6s var(--ease);pointer-events:none}
.card-float.show{opacity:1;transform:none}
.cf__k{display:flex;align-items:center;gap:8px;font-size:clamp(9.5px,1.3cqw,11.5px);letter-spacing:.12em;text-transform:uppercase;color:var(--glacier-deep);margin-bottom:8px}
.cf__k i{width:8px;height:8px;border-radius:50%;background:var(--amber);animation:orb 1.9s infinite}
.cf__t{font-weight:800;font-size:clamp(15px,2.3cqw,19px);line-height:1.2}
.cf__m{font-size:clamp(10.5px,1.55cqw,12.5px);line-height:1.45;color:var(--slate);margin:6px 0 12px}
.cf__b{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.cf__btn{display:inline-flex;align-items:center;gap:6px;background:var(--amber);color:var(--navy);font:700 clamp(11px,1.6cqw,13.5px)/1 var(--sans);padding:9px 14px;border-radius:999px;transition:background .3s,color .3s}
.cf__btn.is-ok{background:var(--green);color:#fff}
.cf__btn--ghost{background:var(--frost)}
.cf__free{font:600 clamp(9.5px,1.4cqw,11.5px)/1.2 var(--mono);color:var(--green);letter-spacing:.03em}

.board{position:absolute;left:14px;bottom:14px;z-index:7;width:min(236px,38%);background:rgba(8,23,38,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(247,250,252,.16);border-radius:16px;padding:clamp(8px,1.6cqw,13px);opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .6s var(--ease)}
.board.show{opacity:1;transform:none}
.board__h{display:flex;justify-content:space-between;font-size:clamp(9px,1.3cqw,11px);letter-spacing:.12em;text-transform:uppercase;color:#7F98AD;margin-bottom:6px}
.board__h b{color:var(--amber);font-weight:500}
.br{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:clamp(3px,.7cqw,6px) 0;font-size:clamp(9.5px,1.5cqw,12.5px);color:#DCE7EF;border-top:1px solid rgba(247,250,252,.07)}
.br em{font-style:normal;font-weight:700;font:700 clamp(8.5px,1.2cqw,10.5px)/1 var(--mono);padding:4px 7px;border-radius:999px;letter-spacing:.04em;transition:background .3s,color .3s}
.br em.q{background:rgba(59,143,196,.22);color:#8CC6EC}
.br em.e{background:rgba(255,178,36,.2);color:var(--amber)}
.br em.c{background:rgba(61,220,151,.2);color:#6CE8B4}
.sample{position:absolute;left:14px;top:62px;z-index:3;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:rgba(247,250,252,.38)}

/* shared status dots (also used in demos) */
.st{display:inline-block;width:10px;height:10px;border-radius:50%;flex:none}
.st--a{background:var(--amber)}.st--b{background:var(--glacier)}.st--g{background:#3DDC97}

.stage__bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(247,250,252,.1)}
.stage__bar i{display:block;height:100%;width:0;background:var(--amber)}

/* map text sizes follow viewBox, small screens shrink labels */
@media (max-width:980px){
  .stage__track{height:560vh}
  .stage__grid{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto;gap:14px}
  .stage__map{order:-1;min-height:0}
  .stage__side{gap:12px}
  .steps{justify-content:center}
  .steps li{height:32px}
  .steps li i{width:24px;height:24px;font-size:11.5px}
  .cur{text-align:center}
  .cur__k{margin-bottom:8px}
  .cur h3{font-size:clamp(22px,6vw,28px);margin-bottom:8px}
  .cur p{margin-inline:auto;font-size:15.5px}
  .log,.stage__play{display:none}
  .board{display:none}
  .stage__pin{padding-bottom:18px}
  .hud{inset:10px 10px auto 10px}
  .hud__stats{display:none}
  .sample{top:auto;bottom:8px;left:12px}
  .card-float{width:min(300px,78%)}
}
@media (prefers-reduced-motion:reduce){
  .orb,.core i,.cf__k i{animation:none}
}

@media (prefers-reduced-motion:reduce){.stage__track{height:auto}.stage__pin{position:relative;height:auto;min-height:100svh}}

@media (max-width:700px){#map .lab{display:none}}