/* ELTECHNOLOGY — cinematic single-page site */
:root{
  --ink:#06080B; --paper:#E8ECF0; --muted:#7C8794;
  --accent:#FF4500;   /* brand orange, from el-technology.com */ --hair:rgba(232,236,240,.14);
  --display:'Space Grotesk',ui-sans-serif,system-ui,-apple-system,'Helvetica Neue',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--display);font-weight:300;
  -webkit-font-smoothing:antialiased;overflow-x:clip;
}
h1,h2,h3{font-weight:200;letter-spacing:-.03em;margin:0}
p{margin:0}

/* ---------- fixed stage ---------- */
.stage{position:fixed;inset:0;z-index:0;background:var(--ink);overflow:hidden}
.stage video,.stage canvas{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  min-width:100%;min-height:100%;width:auto;height:auto;object-fit:cover;
}
.stage::after{ /* scrim so copy always meets AA over footage */
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(6,8,11,.94) 0%,rgba(6,8,11,.82) 26%,rgba(6,8,11,.34) 52%,rgba(6,8,11,.14) 74%,rgba(6,8,11,.55) 100%);
}
.overlay{position:absolute;pointer-events:none;z-index:2}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:90;background:var(--ink);display:grid;place-items:center;
  transition:opacity .8s ease;}
.loader[hidden]{display:none}
.loader.is-done{opacity:0;pointer-events:none}
.loader .bar{width:min(240px,40vw);height:1px;background:var(--hair);position:relative;overflow:hidden}
.loader .bar i{position:absolute;inset:0 auto 0 0;width:0;background:var(--accent)}
.loader .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--muted);margin-top:18px;text-align:center}

/* ---------- scroll skeleton ---------- */
.journey{position:relative;z-index:1}
.zone{position:relative}
.panel{
  position:fixed;inset:0;display:flex;align-items:center;
  /* keep tall panels clear of the fixed header and the bottom edge */
  padding:104px 170px 56px 0;box-sizing:border-box;   /* right gutter = progress rail */
  pointer-events:none;visibility:hidden;z-index:3;
}
.panel.is-active{visibility:visible}
.panel .inner{
  width:min(560px,44vw);margin-left:clamp(24px,7vw,120px);
  opacity:var(--v,0);transform:translateY(var(--rise,40px));
  transition:opacity .18s linear;
}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--accent);margin-bottom:22px;display:block}
.panel h2{font-size:clamp(30px,4.2vw,56px);line-height:1.04;margin-bottom:22px}
.panel h2 em{font-style:normal;color:var(--accent)}
.panel p{font-size:clamp(15px,1.15vw,18px);line-height:1.62;color:#C3CBD4;max-width:46ch}
.kicker{margin-top:26px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--paper)}

/* numbered lists */
.items{list-style:none;padding:0;margin:30px 0 0}
.items li{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:13px 0;
  border-top:1px solid var(--hair);opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease}
.items li:last-child{border-bottom:1px solid var(--hair)}
[data-reveal="on"] .items li{opacity:1;transform:none}
.items li:nth-child(1){transition-delay:.05s}
.items li:nth-child(2){transition-delay:.13s}
.items li:nth-child(3){transition-delay:.21s}
.items li:nth-child(4){transition-delay:.29s}
.items li:nth-child(5){transition-delay:.37s}
.items .n{font-family:var(--mono);font-size:11px;color:var(--accent);padding-top:5px;letter-spacing:.1em}
.items .t{display:block;font-size:17px;color:var(--paper);line-height:1.35}
.items .d{display:block;font-size:14px;color:var(--muted);line-height:1.55;margin-top:5px}

/* ---------- dwell sub-callout (muted, mono) ---------- */
.muted-callout{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin-top:28px;padding-top:16px;border-top:1px solid var(--hair)}

/* anatomy layer — compact sizes to fit one viewport */
.layer h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.layer p{font-size:clamp(13px,1vw,15px);line-height:1.5}
.layer .items{margin:18px 0 0}
.layer .items li{padding:7px 0;gap:12px}
.layer .items .t{font-size:14px}
.layer .items .d{font-size:12px;line-height:1.4;margin-top:3px}
.layer .items .n{padding-top:2px;font-size:10px}
.layer .muted-callout{font-size:9.5px;margin-top:18px;padding-top:12px}

/* ---------- hero ---------- */
.hero .inner{width:min(900px,72vw)}
.hero h1{font-size:clamp(44px,7.6vw,116px);line-height:.98;letter-spacing:-.045em}
.hero .sub{margin-top:26px;font-size:clamp(16px,1.5vw,21px);color:#C3CBD4;max-width:44ch}
.cue{position:absolute;left:clamp(24px,7vw,120px);bottom:44px;font-family:var(--mono);
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:12px}
.cue::after{content:'';width:52px;height:1px;background:var(--accent);
  animation:cue 2.6s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleX(.25);transform-origin:left}50%{transform:scaleX(1);transform-origin:left}}

/* ---------- welcome ---------- */
/* Figure stands at the right edge at near-life scale against the doorway; copy
 * sits left with room to breathe. The panel's right padding keeps the figure
 * clear of the progress rail. */
.welcome{position:relative;display:block;
  flex:1 1 auto;width:auto;align-self:stretch;
  margin-right:0}
.welcome .say{position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:min(680px,52vw)}
.welcome h2{font-size:clamp(32px,4vw,54px);line-height:1.06;margin-bottom:24px}
.welcome p{font-size:clamp(16px,1.35vw,20px);line-height:1.7;max-width:none}
.sig{margin-top:32px;padding-top:18px;border-top:1px solid var(--hair);
  display:flex;flex-direction:column;gap:5px}
.sig .nm{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--paper)}
.sig .rl{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}

/* narrower desktops: shrink the figure so it cannot crowd the copy */
@media (min-width:901px) and (max-width:1250px){
  .welcome .say{width:min(560px,52vw)}
}

/* ---------- enterprise AI architecture stack ---------- */
.arch{width:min(660px,50vw)}
.stack{list-style:none;margin:30px 0 0;padding:0;counter-reset:layer}
.stack li{display:grid;grid-template-columns:210px 1fr;gap:22px;align-items:center;
  padding:9px 0;border-top:1px solid var(--hair);
  opacity:0;transform:translateX(-14px);
  transition:opacity .55s ease,transform .55s ease;
  transition-delay:calc(var(--i) * .11s)}
.stack li:last-child{border-bottom:1px solid var(--hair)}
[data-reveal="on"] .stack li{opacity:1;transform:none}
/* widths taper upward: infrastructure widest, application narrowest */
.stack li:nth-child(1){--w:86px}
.stack li:nth-child(2){--w:124px}
.stack li:nth-child(3){--w:162px}
.stack li:nth-child(4){--w:200px}
.stack .bar{display:block;width:var(--w);margin:0;height:28px;border:1px solid var(--accent);
  background:linear-gradient(90deg,rgba(255,69,0,.32),rgba(255,69,0,.05));
  transform-origin:left}
.stack .k{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--paper)}
.stack .d{display:block;font-size:13.5px;line-height:1.5;color:var(--muted);margin-top:4px;max-width:46ch}

/* ---------- annotations ---------- */
.leader{stroke:var(--accent);stroke-width:1.25;fill:none;vector-effect:non-scaling-stroke;
  stroke-dasharray:var(--len);stroke-dashoffset:var(--len);}
[data-draw="on"] .leader{animation:draw .7s cubic-bezier(.4,0,.2,1) forwards}
.leader.d1{animation-delay:.05s}.leader.d2{animation-delay:.18s}
.leader.d3{animation-delay:.31s}.leader.d4{animation-delay:.44s}.leader.d5{animation-delay:.57s}
@keyframes draw{to{stroke-dashoffset:0}}
.tipdot{fill:var(--accent);opacity:0;transition:opacity .3s ease .3s}
[data-draw="on"] .tipdot{opacity:1}
.alabel{font-family:var(--mono);font-size:15px;letter-spacing:.22em;text-transform:uppercase;
  fill:var(--paper);opacity:0;transition:opacity .45s ease}
[data-draw="on"] .alabel{opacity:1}
.alabel.dim{fill:var(--muted);opacity:.34}
.hlbox{fill:none;stroke:var(--accent);stroke-width:1.5;opacity:0;transition:opacity .4s ease .5s}
[data-draw="on"] .hlbox.on{opacity:.9}

/* ---------- nav + progress ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;justify-content:space-between;
  align-items:center;padding:24px clamp(20px,4vw,44px);
  opacity:0;transition:opacity .6s ease;pointer-events:none}
.nav.is-on{opacity:1;pointer-events:auto}
.wordmark{font-family:var(--mono);display:flex;flex-direction:column;gap:3px;line-height:1}
.wordmark b{font-weight:400;font-size:12px;letter-spacing:.34em;text-transform:uppercase}
.wordmark i{font-style:normal;font-size:9px;letter-spacing:.26em;text-transform:uppercase;color:var(--accent)}
.nav a.cta{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--paper);text-decoration:none;border:1px solid var(--hair);padding:10px 18px;
  transition:border-color .3s,color .3s}
.nav a.cta:hover{border-color:var(--accent);color:var(--accent)}

.progress{position:fixed;right:clamp(16px,2.4vw,36px);top:50%;transform:translateY(-50%);
  z-index:40;display:flex;flex-direction:column;gap:0;opacity:0;transition:opacity .6s ease}
.progress.is-on{opacity:1}
.progress .tick{display:flex;align-items:center;gap:12px;justify-content:flex-end;
  background:none;border:0;padding:9px 0;cursor:pointer;font-family:var(--mono);
  font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);
  transition:color .3s}
.progress .tick span{width:24px;height:1px;background:var(--hair);transition:background .3s,width .3s}
.progress .tick:hover{color:var(--paper)}
.progress .tick[aria-current="true"]{color:var(--paper)}
.progress .tick[aria-current="true"] span{background:var(--accent);width:40px}
.progress .tick.done span{background:rgba(53,208,232,.4)}

.past-journey .panel{visibility:hidden !important}
.past-journey .stage{opacity:0;transition:opacity .5s ease;pointer-events:none}
.past-journey .progress{opacity:0}

/* ---------- flow sections after the journey ---------- */
.flow{position:relative;z-index:1;background:var(--ink)}
.sec{padding:clamp(90px,13vh,150px) clamp(24px,7vw,120px);border-top:1px solid var(--hair)}
.sec .inner{max-width:760px}
.sec h2{font-size:clamp(30px,4.2vw,54px);line-height:1.05;margin-bottom:20px}
.sec h2 em{font-style:normal;color:var(--accent)}
.sec > .inner > p{font-size:clamp(15px,1.15vw,18px);line-height:1.62;color:#C3CBD4;max-width:52ch}

/* outro */
.flow{min-height:100vh}
.outro{padding:clamp(110px,15vh,200px) clamp(24px,7vw,120px) 70px}
.outro h2{font-size:clamp(32px,5vw,60px);line-height:1;margin-bottom:24px}
.grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(30px,5vw,72px);margin-top:52px}
form{display:grid;gap:22px}
label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--muted);margin-bottom:9px}
input,textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--hair);
  color:var(--paper);font-family:var(--display);font-size:17px;font-weight:300;padding:9px 0;
  transition:border-color .3s}
input:focus,textarea:focus{outline:none;border-bottom-color:var(--accent)}
textarea{resize:vertical;min-height:76px}
button[type=submit]{justify-self:start;margin-top:8px;background:transparent;color:var(--paper);
  border:1px solid var(--hair);padding:15px 34px;font-family:var(--mono);font-size:11px;
  letter-spacing:.24em;text-transform:uppercase;cursor:pointer;transition:border-color .3s,color .3s}
button[type=submit]:hover{border-color:var(--accent);color:var(--accent)}
.card{border:1px solid var(--hair);padding:32px}
.card .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);margin-bottom:7px}
.card .v{font-size:17px;margin-bottom:24px}
.card .v a{color:var(--paper)}
footer{padding:34px clamp(24px,7vw,120px);border-top:1px solid var(--hair);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* ---------- reduced motion: unpin everything ---------- */
body.reduced .stage{display:none}
body.reduced .progress{display:none}
body.reduced .zone{height:auto !important}
body.reduced .panel{position:relative;inset:auto;height:auto;visibility:visible;padding:0;
  padding:clamp(80px,12vh,140px) 0;background-size:cover;background-position:center;
  pointer-events:auto}
body.reduced .panel::before{content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,8,11,.9),rgba(6,8,11,.6));z-index:0}
body.reduced .panel .inner{opacity:1 !important;transform:none !important;position:relative;z-index:1}
body.reduced .items li{opacity:1;transform:none}
body.reduced .nav{opacity:1;pointer-events:auto}

.mobile-annos{display:none;margin-top:26px}

/* ---------- mobile ---------- */
@media (max-width:900px){
  .stage::after{background:linear-gradient(180deg,rgba(6,8,11,.5),rgba(6,8,11,.86))}
  .panel{align-items:flex-end;padding:88px 0 40px}
  .panel .inner{width:auto;margin:0 22px 15vh}
  .hero .inner{width:auto}
  .progress{right:12px}
  .progress .tick{font-size:0;letter-spacing:0;gap:0}
  .progress .tick span{width:18px}
  .progress .tick[aria-current="true"] span{width:30px}
  .grid{grid-template-columns:1fr}
  .overlay{display:none}          /* labels reflow below the frame */
  .nav{padding:14px 16px}
  .wordmark b{font-size:10px;letter-spacing:.2em}
  .wordmark i{font-size:7.5px;letter-spacing:.16em}
  .nav a.cta{font-size:9px;letter-spacing:.12em;padding:8px 11px;white-space:nowrap}
  .panel p{font-size:15px}
  .panel h2{font-size:clamp(26px,7.6vw,34px)}
  .arch{width:auto}
  .welcome{width:auto;height:auto}
  .welcome .say{position:static;transform:none;width:auto}
  .stack li{grid-template-columns:92px 1fr;gap:14px}
  .stack li:nth-child(1){--w:40px}.stack li:nth-child(2){--w:57px}
  .stack li:nth-child(3){--w:74px}.stack li:nth-child(4){--w:92px}
  .stack .d{font-size:13px}
  .mobile-annos{display:block}
}

.mobile-annos li{display:flex;align-items:baseline;gap:12px;padding:9px 0;
  border-top:1px solid var(--hair);font-family:var(--mono);font-size:11px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.mobile-annos li::before{content:'';width:16px;height:1px;background:var(--accent);flex:none}