/* ═══════════════════════════════════════════════════════════
   work.petrhessvision.com — delivery log
   Palette and type carried over from petrhessvision.com so the
   two read as one practice.
   ═══════════════════════════════════════════════════════════ */

:root{
  --void:#06080E;
  --console:#0A0E17;
  --panel:#0E1420;
  --panel-2:#111A28;
  --steel:#16202F;
  --line:rgba(127,200,255,.13);
  --line-2:rgba(127,200,255,.22);
  --line-hot:rgba(255,186,74,.34);
  --amber:#FFBA4A;
  --amber-dim:#B57F2C;
  --ice:#7FC8FF;
  --alert:#FF4D5E;
  --warn:#FFA23A;
  --ok:#3FE0A0;
  --violet:#A98CFF;
  --text:#C4D2E4;
  --text-hi:#E6EEF8;
  --muted:#66788F;
  --display:'Chakra Petch',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,monospace;
  --pad:clamp(18px,5vw,72px);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.7,.25,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;overflow-x:clip}
body{
  margin:0;background:var(--void);color:var(--text);
  font-family:var(--body);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 120% 80% at 50% 0%,#000 8%,transparent 72%);
  opacity:.5;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
::selection{background:var(--amber);color:var(--void)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad);position:relative;z-index:2}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--amber);color:var(--void);padding:10px 16px;font-weight:600;
}
.skip:focus{left:12px;top:12px}

/* ───────────────────────── nav ───────────────────────── */
.nav{
  position:sticky;top:0;z-index:80;
  background:rgba(6,8,14,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{
  max-width:var(--maxw);margin:0 auto;padding:12px var(--pad);
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:10px;height:10px;background:var(--amber);flex:none;
  box-shadow:0 0 0 3px rgba(255,186,74,.14);
  animation:pulse 3.4s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.brand-text{font-family:var(--display);font-size:14px;letter-spacing:.06em;display:flex;gap:7px;align-items:baseline}
.brand-text b{color:var(--text-hi);font-weight:700}
.brand-text i{font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.12em}
.nav-links{display:flex;gap:22px;margin-left:auto;font-family:var(--mono);font-size:12px;letter-spacing:.05em}
.nav-links a{color:var(--muted);transition:color .2s;padding:4px 0;border-bottom:1px solid transparent}
.nav-links a:hover,.nav-links a.is-on{color:var(--amber);border-bottom-color:var(--line-hot)}
.nav-cta{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--text);
  border:1px solid var(--line-2);padding:7px 13px;transition:border-color .2s,color .2s;flex:none;
}
.nav-cta:hover{border-color:var(--amber);color:var(--amber)}
.nav-progress{height:1px;background:var(--amber);width:0;transition:width .1s linear;box-shadow:0 0 8px var(--amber)}

@media (max-width:900px){
  .nav-links{display:none}
  .nav-cta{margin-left:auto}
}

/* ───────────────────────── type ───────────────────────── */
.eyebrow{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin:0 0 26px;
}
.sec-tag{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:var(--amber-dim);
  margin:0 0 20px;
}
h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(34px,6.4vw,72px);line-height:1.03;letter-spacing:-.02em;
  margin:0 0 26px;color:var(--text-hi);
}
h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(26px,4.2vw,46px);line-height:1.1;letter-spacing:-.015em;
  margin:0 0 20px;color:var(--text-hi);
}
h3{font-family:var(--display);font-weight:600;font-size:19px;line-height:1.25;margin:0 0 10px;color:var(--text-hi)}
.hl{color:var(--amber)}
.dim{color:var(--muted);font-weight:600}
.lede{font-size:clamp(16px,1.7vw,19px);max-width:62ch;color:var(--text);margin:0 0 34px}
.sec-lede{font-size:16.5px;max-width:66ch;color:var(--muted);margin:0 0 42px}
.foot-note{
  margin:44px 0 0;padding-left:16px;border-left:2px solid var(--line-hot);
  font-size:14.5px;color:var(--muted);max-width:70ch;
}

/* ───────────────────────── buttons ───────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:13px;letter-spacing:.05em;
  padding:13px 20px;border:1px solid transparent;transition:all .22s var(--ease);
}
.btn-primary{background:var(--amber);color:var(--void);font-weight:600}
.btn-primary:hover{background:#FFCB74;transform:translateY(-1px)}
.btn-primary:disabled{opacity:.4;cursor:wait;transform:none}
.btn-ghost{border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}

/* ───────────────────────── hero ───────────────────────── */
/* ── hero background video ── */
.hero{
  padding:clamp(64px,11vw,132px) 0 clamp(56px,8vw,96px);
  position:relative;isolation:isolate;overflow:hidden;
  min-height:min(88vh,880px);display:flex;align-items:center;
}
.hero .wrap{position:relative;z-index:2}
.hero-video{position:absolute;inset:0;z-index:0;pointer-events:none;background:var(--void)}
.hero-video video{
  width:100%;height:100%;object-fit:cover;object-position:center 58%;display:block;
  opacity:0;transition:opacity 1.6s var(--ease);
  filter:brightness(1.38) saturate(1.06) contrast(1.04);
}
.hero-video video.ready{opacity:.9}

/* Scrim: darkens the footage so the headline holds contrast, and carries the
   same 64px grid as the rest of the page so the video reads as part of the
   system rather than stock footage dropped behind it. */
.hero-scrim{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px),
    linear-gradient(100deg,rgba(6,8,14,.8) 0%,rgba(6,8,14,.45) 30%,rgba(6,8,14,.12) 62%,rgba(6,8,14,.3) 100%),
    linear-gradient(180deg,rgba(6,8,14,.78) 0%,rgba(6,8,14,.1) 24%,rgba(6,8,14,.18) 62%,rgba(6,8,14,.55) 88%,rgba(6,8,14,.96) 100%);
  background-size:64px 64px,64px 64px,auto,auto;
}
.hero-scrim::after{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.02) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;
}

.hero-pause{
  position:absolute;right:var(--pad);bottom:22px;z-index:3;
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);
  border:1px solid var(--line);padding:6px 11px;background:rgba(6,8,14,.6);
  backdrop-filter:blur(6px);transition:color .2s,border-color .2s;
}
.hero-pause:hover{color:var(--amber);border-color:var(--line-hot)}
.hp-icon{
  width:8px;height:9px;flex:none;
  border-left:3px solid currentColor;border-right:3px solid currentColor;
}
.hero-pause[aria-pressed="true"] .hp-icon{
  border:0;width:0;height:0;
  border-left:8px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent;
}
@media (max-width:640px){.hero-pause .hp-label{display:none}}
.badge-live{color:var(--ok)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:clamp(48px,7vw,80px)}

.statband{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.stat{background:rgba(10,14,23,.74);backdrop-filter:blur(12px);padding:22px 20px}
.stat b{
  display:block;font-family:var(--display);font-weight:700;
  font-size:clamp(30px,4vw,44px);line-height:1;color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:8px;font-size:12.5px;color:var(--muted);line-height:1.4}
@media (max-width:760px){.statband{grid-template-columns:repeat(2,1fr)}}

/* ───────────────────────── sections ───────────────────────── */
.sec{padding:clamp(64px,9vw,120px) 0;border-top:1px solid var(--line);position:relative}
.sec-work{background:linear-gradient(180deg,rgba(14,20,32,.5),transparent 60%)}
.sec-demo{background:linear-gradient(180deg,rgba(255,186,74,.035),transparent 55%)}

/* ───────────────────────── stepper ───────────────────────── */
.stepper{display:grid;grid-template-columns:210px minmax(0,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.steprail{display:flex;flex-direction:column;background:var(--line);gap:1px}
.step{
  display:flex;align-items:baseline;gap:12px;text-align:left;
  background:var(--console);padding:16px 18px;transition:background .2s,color .2s;
  border-left:2px solid transparent;flex:1;
}
.step i{font-family:var(--mono);font-size:11px;color:var(--muted);font-style:normal}
.step b{font-family:var(--display);font-size:15px;font-weight:600;color:var(--text)}
.step:hover{background:var(--panel)}
.step.is-on{background:var(--panel-2);border-left-color:var(--amber)}
.step.is-on b{color:var(--amber)}
.step.is-on i{color:var(--amber-dim)}

.steppanel{background:var(--console);padding:clamp(24px,3.4vw,38px)}
.sp-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.sp-head h3{margin:0}
.sp-clock{font-family:var(--mono);font-size:11.5px;color:var(--amber-dim);letter-spacing:.08em;border:1px solid var(--line-hot);padding:3px 9px}
.sp-body{font-size:16px;color:var(--text);max-width:68ch;margin:0 0 26px}
.sp-split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.sp-cell{background:var(--panel);padding:18px 20px}
.sp-cell h4{
  margin:0 0 9px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;font-weight:600;
}
.sp-cell.ai h4{color:var(--ice)}
.sp-cell.human h4{color:var(--amber)}
.sp-cell p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.6}
@media (max-width:860px){
  .stepper{grid-template-columns:1fr}
  .steprail{flex-direction:row;flex-wrap:wrap}
  .step{flex:1 1 30%;border-left:0;border-top:2px solid transparent}
  .step.is-on{border-left-color:transparent;border-top-color:var(--amber)}
  .sp-split{grid-template-columns:1fr}
}

/* ───────────────────────── case tabs ───────────────────────── */
.tabs{display:flex;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:0;flex-wrap:wrap}
.tab{
  flex:1 1 200px;background:var(--console);padding:15px 18px;text-align:left;
  font-family:var(--display);font-size:14.5px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;transition:all .2s;
}
.tab i{display:block;font-family:var(--mono);font-size:10.5px;font-style:normal;color:var(--amber-dim);margin-bottom:4px;letter-spacing:.1em}
.tab:hover{background:var(--panel);color:var(--text)}
.tab.is-on{background:var(--panel-2);color:var(--amber);border-bottom-color:var(--amber)}

.casewrap{border:1px solid var(--line);border-top:0;background:var(--console)}
.case{padding:clamp(26px,3.6vw,44px);animation:fadeUp .45s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.case-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start;margin-bottom:28px}
.case-title h3{font-size:clamp(21px,2.6vw,30px);margin-bottom:8px}
.case-meta{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.case-meta b{color:var(--ice);font-weight:500}
.case-link{
  font-family:var(--mono);font-size:12px;color:var(--amber);
  border:1px solid var(--line-hot);padding:9px 14px;white-space:nowrap;transition:background .2s;
}
.case-link:hover{background:rgba(255,186,74,.1)}

.case-brief{
  font-family:var(--display);font-size:clamp(17px,2vw,21px);font-weight:500;line-height:1.4;
  color:var(--text-hi);border-left:2px solid var(--amber);padding:4px 0 4px 18px;margin:0 0 30px;max-width:60ch;
}
.case-brief small{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-top:9px;font-weight:400}

.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:26px}
.cg{background:var(--panel);padding:20px 22px}
.cg h4{
  margin:0 0 10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;font-weight:600;color:var(--amber-dim);
}
.cg p{margin:0 0 12px;font-size:14.8px;color:var(--text);line-height:1.62}
.cg p:last-child{margin-bottom:0}
.cg.wide{grid-column:1/-1}
.cg.ai h4{color:var(--ice)}
.cg.human h4{color:var(--amber)}
@media (max-width:820px){.case-grid{grid-template-columns:1fr}}

.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.chips span{
  font-family:var(--mono);font-size:11px;color:var(--muted);
  border:1px solid var(--line);padding:4px 9px;letter-spacing:.04em;
}

/* live preview */
.preview{border:1px solid var(--line);background:var(--panel)}
.preview-bar{
  display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11.5px;color:var(--muted);
}
.preview-bar .dots{display:flex;gap:5px}
.preview-bar .dots i{width:8px;height:8px;border-radius:50%;background:var(--steel)}
.preview-bar .url{color:var(--ice);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.preview-bar .load{margin-left:auto;color:var(--amber);border:1px solid var(--line-hot);padding:4px 11px;white-space:nowrap;transition:background .2s}
.preview-bar .load:hover{background:rgba(255,186,74,.12)}
.preview-stage{position:relative;height:min(58vw,460px);overflow:hidden;background:var(--void)}
.preview-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.preview-hint{
  position:absolute;inset:0;display:grid;place-content:center;text-align:center;gap:10px;padding:24px;
  font-family:var(--mono);font-size:12.5px;color:var(--muted);line-height:1.7;
}
.preview-hint b{color:var(--text);font-weight:500;display:block;font-size:13.5px}

/* ───────────────────────── demo ───────────────────────── */
.demo{border:1px solid var(--line);background:var(--console)}
.demo-in{padding:clamp(22px,3vw,32px);border-bottom:1px solid var(--line)}
.lbl{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted);margin-bottom:10px;text-transform:uppercase}
.lbl-inline{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.06em}
#processInput{
  width:100%;background:var(--void);color:var(--text);border:1px solid var(--line-2);
  padding:14px 16px;font-family:var(--body);font-size:15.5px;line-height:1.6;resize:vertical;
  transition:border-color .2s;
}
#processInput:focus{outline:none;border-color:var(--amber)}
#processInput::placeholder{color:#3F4C5E}
.demo-bar{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center;margin-top:16px}
.presets{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chip{
  font-family:var(--mono);font-size:11.5px;color:var(--text);border:1px solid var(--line-2);
  padding:6px 12px;transition:all .2s;
}
.chip:hover{border-color:var(--ice);color:var(--ice)}
.demo-go{display:flex;align-items:center;gap:14px;margin-left:auto}
.counter{font-family:var(--mono);font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.counter.over{color:var(--alert)}

.demo-out{min-height:230px;padding:clamp(22px,3vw,32px)}
.demo-idle{display:grid;place-items:center;gap:20px;min-height:180px;text-align:center}
.demo-idle p{margin:0;font-family:var(--mono);font-size:12.5px;color:var(--muted);max-width:44ch;line-height:1.75}
.idle-grid{display:grid;grid-template-columns:repeat(3,10px);gap:7px}
.idle-grid i{width:10px;height:10px;background:var(--steel);animation:blink 2.6s var(--ease) infinite}
.idle-grid i:nth-child(2){animation-delay:.2s}.idle-grid i:nth-child(3){animation-delay:.4s}
.idle-grid i:nth-child(4){animation-delay:.1s}.idle-grid i:nth-child(5){animation-delay:.3s}
.idle-grid i:nth-child(6){animation-delay:.5s}.idle-grid i:nth-child(7){animation-delay:.25s}
.idle-grid i:nth-child(8){animation-delay:.45s}.idle-grid i:nth-child(9){animation-delay:.6s}
@keyframes blink{0%,100%{background:var(--steel)}50%{background:var(--amber-dim)}}

/* processing console */
.proc{font-family:var(--mono);font-size:12.5px;line-height:2;position:relative}
.proc div{color:var(--muted);opacity:0;animation:lineIn .3s var(--ease) forwards}
.proc div b{color:var(--ok);font-weight:400}
.proc .t{color:var(--amber-dim);margin-right:12px;font-variant-numeric:tabular-nums}
.proc-timer{
  position:absolute;top:0;right:0;color:var(--muted);opacity:1!important;animation:none!important;
  font-size:11.5px;letter-spacing:.08em;
}
.proc-timer b{color:var(--amber)!important;font-weight:500;font-variant-numeric:tabular-nums}
@keyframes lineIn{to{opacity:1}}

.err{
  border:1px solid rgba(255,77,94,.4);background:rgba(255,77,94,.06);
  padding:16px 18px;font-family:var(--mono);font-size:13px;color:#FF9AA4;
}

/* spec output */
.spec-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-start;margin-bottom:22px}
.spec-head h3{margin:0 0 6px;font-size:clamp(19px,2.4vw,25px)}
.spec-trigger{font-family:var(--mono);font-size:12px;color:var(--muted);max-width:52ch;line-height:1.6}
.spec-trigger b{color:var(--ice);font-weight:500}
.spec-badge{
  border:1px solid var(--line-hot);padding:12px 16px;text-align:right;flex:none;
}
.spec-badge b{display:block;font-family:var(--display);font-size:26px;color:var(--amber);line-height:1;font-variant-numeric:tabular-nums}
.spec-badge span{display:block;font-family:var(--mono);font-size:10.5px;color:var(--muted);margin-top:6px;letter-spacing:.08em}

.pipe{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:22px}
.pstep{
  background:var(--panel);padding:14px 18px;display:grid;
  grid-template-columns:34px 1fr 90px 64px;gap:16px;align-items:start;
  opacity:0;animation:lineIn .35s var(--ease) forwards;
}
.pstep .n{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:2px}
.pstep .main b{display:block;font-family:var(--display);font-size:15.5px;font-weight:600;color:var(--text-hi);margin-bottom:4px}
.pstep .main p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.55}
.tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:3px 8px;border:1px solid;display:inline-block;white-space:nowrap;
}
.tag.ai{color:var(--ice);border-color:rgba(127,200,255,.4)}
.tag.human{color:var(--amber);border-color:var(--line-hot)}
.tag.system{color:var(--muted);border-color:var(--line-2)}
.tag.small{color:var(--ok);border-color:rgba(63,224,160,.35)}
.tag.large{color:var(--violet);border-color:rgba(169,140,255,.4)}
.tag.none{color:var(--muted);border-color:var(--line)}
.risk{width:100%;height:3px;background:var(--steel);margin-top:8px;position:relative}
.risk i{position:absolute;inset:0 auto 0 0;display:block}
.risk.low i{width:33%;background:var(--ok)}
.risk.medium i{width:66%;background:var(--warn)}
.risk.high i{width:100%;background:var(--alert)}
.risk-l{font-family:var(--mono);font-size:9.5px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
@media (max-width:760px){
  .pstep{grid-template-columns:28px 1fr;gap:10px}
  .pstep .col{grid-column:2}
}

.spec-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:22px}
.sc{background:var(--panel);padding:18px 20px}
.sc h4{margin:0 0 12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--amber-dim)}
.sc ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.sc li{font-size:13.8px;color:var(--muted);line-height:1.5;padding-left:15px;position:relative}
.sc li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;background:var(--amber-dim)}
.sc .kpi{display:grid;gap:3px;padding-left:0}
.sc .kpi::before{display:none}
.sc .kpi b{color:var(--text);font-weight:500;font-size:13.8px}
.sc .kpi span{font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.sc .kpi span em{font-style:normal;color:var(--ok)}
@media (max-width:860px){.spec-cols{grid-template-columns:1fr}}

.spec-watch{border-left:2px solid var(--alert);padding:8px 0 8px 16px;margin-bottom:20px}
.spec-watch h4{margin:0 0 5px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--alert);font-weight:600}
.spec-watch p{margin:0;font-size:14.5px;color:var(--text);max-width:68ch;line-height:1.6}

.spec-foot{
  display:flex;gap:20px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.05em;
}
.spec-foot b{color:var(--ice);font-weight:500}

.demo-note{
  margin:0;padding:16px clamp(22px,3vw,32px);border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);line-height:1.65;background:rgba(14,20,32,.5);
}

/* ───────────────────────── edge ───────────────────────── */
.edge-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:34px;align-items:center}
.edge-diagram{border:1px solid var(--line);background:var(--console);padding:20px;overflow-x:auto}
.edge-diagram svg{width:100%;min-width:520px;height:auto}
.dg rect{fill:var(--panel);stroke:var(--line-2);stroke-width:1}
.dg rect.hot{fill:var(--panel-2);stroke:var(--line-hot)}
.dg path{stroke:var(--amber-dim);stroke-width:1.2;fill:none}
.dt{font-family:'Chakra Petch',sans-serif;font-size:12px;font-weight:600;fill:var(--text-hi);text-anchor:middle;letter-spacing:.06em}
.ds{font-family:'IBM Plex Mono',monospace;font-size:10px;fill:var(--muted);text-anchor:middle}
.dl{font-family:'IBM Plex Mono',monospace;font-size:9.5px;fill:var(--amber-dim);text-anchor:middle}

.edge-facts{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.edge-facts li{background:var(--console);padding:14px 18px;display:flex;align-items:baseline;gap:14px}
.edge-facts b{
  font-family:var(--display);font-size:20px;color:var(--amber);flex:none;min-width:64px;
  font-variant-numeric:tabular-nums;
}
.edge-facts span{font-size:13.5px;color:var(--muted);line-height:1.45}
@media (max-width:900px){.edge-grid{grid-template-columns:1fr}}

/* ───────────────────────── contact / footer ───────────────────────── */
.sec-contact{background:linear-gradient(180deg,transparent,rgba(255,186,74,.04))}
.contact-row{display:flex;gap:12px;flex-wrap:wrap}
.foot{border-top:1px solid var(--line);padding:26px 0;background:var(--console)}
.foot-in{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.foot-status{display:flex;align-items:center;gap:8px}
.foot-status b{color:var(--text);font-weight:500}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);animation:pulse 2.6s var(--ease) infinite}

/* ───────────────────────── reveal ───────────────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .hero-video video{opacity:0!important}
}