/* ============ DESIGN TOKENS ============ */
:root{
  --bg:#F6F7F9; --paper:#FFFFFF; --panel:#FBFCFD;
  --ink:#0F141C; --body:#3C4654; --muted:#66707F; --faint:#6B7280;
  --line:#E4E8EE; --line-soft:#EDF0F4; --grid:#E9EDF2;
  --blue:#1957E5; --blue-ink:#0E3FB0; --blue-soft:#EBF1FE; --blue-line:#B9CDF7;
  --green:#047857; --green-soft:#E6F6F0;
  --amber:#9A3412; --amber-soft:#FCF1E2;
  --code-bg:#0F141C; --code-ink:#D7DEE9; --code-key:#7FA7FF; --code-val:#9AE6C4;
  --shadow-1:0 1px 2px rgba(15,20,28,.05), 0 4px 16px rgba(15,20,28,.05);
  --shadow-2:0 2px 4px rgba(15,20,28,.06), 0 14px 40px rgba(15,20,28,.09);
  --r-lg:16px; --r-md:12px; --r-sm:8px;
  --maxw:1240px;
  --font-sans:"Schibsted Grotesk",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
[data-theme="dark"]{
  --bg:#0B0F16; --paper:#101623; --panel:#0E1420;
  --ink:#EDF1F7; --body:#B8C1CF; --muted:#8B95A6; --faint:#7E8798;
  --line:#1D2635; --line-soft:#161F2D; --grid:#141C2A;
  --blue:#5B8CFF; --blue-ink:#8FB0FF; --blue-soft:#12203C; --blue-line:#2A4580;
  --green:#2FBF8B; --green-soft:#0D2A20;
  --amber:#E8A13D; --amber-soft:#2C2010;
  --code-bg:#0A0E15; --code-ink:#C9D3E0; --code-key:#7FA7FF; --code-val:#8FDFBB;
  --shadow-1:0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.35);
  --shadow-2:0 2px 4px rgba(0,0,0,.45), 0 18px 48px rgba(0,0,0,.5);
}
/* ============ BASE ============ */
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:76px}
body{
  margin:0; background:var(--bg); color:var(--body);
  font-family:var(--font-sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{color:var(--ink); font-weight:700; letter-spacing:-.02em; margin:0; line-height:1.12}
p{margin:0}
a{color:inherit; text-decoration:none}
button{font:inherit; color:inherit; background:none; border:none; cursor:pointer; padding:0}
a:focus-visible, button:focus-visible, [tabindex]:focus-visible{outline:2px solid var(--blue); outline-offset:3px; border-radius:4px}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 clamp(1.1rem,3.4vw,2.4rem)}
.mono{font-family:var(--font-mono)}
.k-label{
  font-family:var(--font-mono); font-size:.66rem; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase; color:var(--faint);
}
.eyebrow{
  font-family:var(--font-mono); font-size:.7rem; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase; color:var(--blue); margin-bottom:1rem;
}
section{padding:clamp(3.6rem,7vw,6rem) 0}
section.section-rule{border-top:1px solid var(--line)}
.sec-head{max-width:660px; margin-bottom:clamp(1.8rem,4vw,2.8rem)}
.sec-head h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
.sec-head .lede{color:var(--muted); margin-top:.85rem; font-size:1.03rem}
/* ============ HEADER ============ */
header{
  position:sticky; top:0; z-index:100; height:60px;
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex; align-items:center; height:60px; gap:1.4rem}
.brand{display:flex; align-items:baseline; gap:.9rem; white-space:nowrap}
.brand .name{font-weight:800; font-size:1.02rem; color:var(--ink); letter-spacing:-.01em}
.brand .divider{width:1px; height:16px; background:var(--line); align-self:center}
.brand .role{font-family:var(--font-mono); font-size:.64rem; letter-spacing:.16em; color:var(--muted); text-transform:uppercase}
.nav-links{display:flex; gap:.2rem; margin-left:auto}
.nav-links a{
  position:relative; padding:.42rem .72rem; font-size:.85rem; font-weight:600;
  color:var(--muted); border-radius:8px; transition:color .18s;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{
  content:""; position:absolute; left:.72rem; right:.72rem; bottom:-2px; height:2px;
  background:var(--blue); border-radius:2px; transform:scaleX(0); transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.nav-right{display:flex; align-items:center; gap:.9rem; margin-left:.4rem}
.status-pill{
  display:flex; align-items:center; gap:.45rem;
  font-family:var(--font-mono); font-size:.68rem; font-weight:600; letter-spacing:.1em;
  color:var(--green); white-space:nowrap;
}
.status-pill .dot{width:7px; height:7px; border-radius:50%; background:var(--green); position:relative}
.status-pill .dot::after{
  content:""; position:absolute; inset:-4px; border-radius:50%;
  border:1.5px solid var(--green); opacity:0; animation:ping 2.4s ease-out infinite;
}
@keyframes ping{0%{transform:scale(.4); opacity:.8} 70%{transform:scale(1.15); opacity:0} 100%{opacity:0}}
.theme-btn{
  display:grid; place-items:center; width:44px; height:44px; border-radius:9px;
  border:1px solid var(--line); color:var(--muted); background:var(--paper);
  transition:color .18s, border-color .18s;
}
.theme-btn:hover{color:var(--ink); border-color:var(--faint)}
.theme-btn svg{width:16px; height:16px}
[data-theme="light"] .icon-sun{display:none}
[data-theme="dark"] .icon-moon{display:none}
@media(max-width:960px){ .nav-links{display:none} .brand .role{display:none} }
/* ============ HERO ============ */
#overview{padding-top:clamp(2.4rem,5vw,4rem)}
.hero-grid{display:grid; grid-template-columns:250px 1fr; gap:clamp(1.4rem,3vw,2.6rem); align-items:start}
@media(max-width:1020px){ .hero-grid{grid-template-columns:1fr} .rail{order:2} .hero-main{order:1} }
/* left rail */
.rail{position:sticky; top:84px; display:grid; gap:0}
@media(max-width:1020px){ .rail{position:static} }
.rail-block{padding:1.15rem 0; border-top:1px solid var(--line)}
.rail-block:first-child{border-top:none; padding-top:.4rem}
.rail .rail-name{font-size:1.3rem; font-weight:800; letter-spacing:-.01em; color:var(--ink); margin:0}
.rail .tag{color:var(--muted); font-size:.88rem; margin-top:.45rem; line-height:1.5}
.traits{display:grid; gap:.7rem; margin-top:.2rem}
.trait{display:flex; gap:.7rem; align-items:flex-start; font-size:.86rem; font-weight:600; color:var(--ink)}
.trait svg{width:17px; height:17px; flex:none; margin-top:.14em; color:var(--blue)}
.trait small{display:block; font-weight:400; color:var(--muted); font-size:.8rem; margin-top:.1rem}
.proofs{display:grid; gap:.85rem}
.proof-item{display:flex; gap:.7rem; align-items:flex-start}
.proof-item svg{width:16px; height:16px; flex:none; margin-top:.2em; color:var(--green)}
.proof-item .num{font-weight:800; color:var(--ink); font-size:.98rem; line-height:1.3}
.proof-item .what{color:var(--muted); font-size:.8rem; line-height:1.4}
.rail .kv{margin-top:.45rem; font-size:.85rem; color:var(--muted); line-height:1.55}
.rail .kv b{color:var(--ink); font-weight:600}
/* hero main */
.hero-main .headline{font-size:clamp(2.1rem,4.6vw,3.4rem); font-weight:800; letter-spacing:-.028em; line-height:1.04}
.hero-main .headline em{font-style:normal; color:var(--blue)}
.hero-sub{color:var(--muted); font-size:clamp(.98rem,1.5vw,1.1rem); max-width:56ch; margin-top:1.1rem}
.hero-sub b{color:var(--ink); font-weight:600}
.hero-ctas{display:flex; gap:.8rem; margin-top:1.5rem; flex-wrap:wrap}
.hero-ctas.is-flush{margin-top:0}
.btn{
  display:inline-flex; align-items:center; gap:.5rem; padding:.62rem 1.15rem;
  border-radius:10px; font-size:.9rem; font-weight:700; transition:transform .15s, box-shadow .15s, background .15s;
}
.btn-primary{background:var(--blue); color:#fff; box-shadow:var(--shadow-1)}
.btn-primary:hover{transform:translateY(-1px); box-shadow:var(--shadow-2)}
.btn-ghost{border:1px solid var(--line); color:var(--ink); background:var(--paper)}
.btn-ghost:hover{border-color:var(--blue-line); color:var(--blue)}
/* ============ CONSOLE (diagram + inspector) ============ */
.console{
  margin-top:clamp(1.8rem,3.4vw,2.6rem);
  display:grid; grid-template-columns:minmax(0,1fr) 312px; gap:1rem; align-items:stretch;
}
@media(max-width:1100px){ .console{grid-template-columns:1fr} }
.diagram-panel{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--shadow-1); overflow:hidden; display:flex; flex-direction:column;
}
.diagram-head{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:.85rem 1.2rem; border-bottom:1px solid var(--line-soft);
}
.diagram-head .k-label{color:var(--muted)}
.legend{display:flex; gap:1.1rem; flex-wrap:wrap}
.legend span{display:flex; align-items:center; gap:.4rem; font-family:var(--font-mono); font-size:.62rem; letter-spacing:.06em; color:var(--faint)}
.lg-flow{width:20px; height:0; border-top:2px dashed var(--blue-line)}
.lg-active{width:9px; height:9px; border-radius:50%; background:var(--blue); box-shadow:0 0 0 3px var(--blue-soft)}
.lg-check{color:var(--green); display:grid}
.lg-check svg{width:12px; height:12px}
@media(max-width:720px){ .legend{display:none} }
.diagram-scroll{overflow-x:auto; scrollbar-width:thin; flex:1; display:flex; flex-direction:column; justify-content:center; position:relative}
.diagram-stage{
  position:relative; min-width:640px; padding:1.4rem 0 .4rem;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:26px 26px;
  background-position:center top;
}
.diagram-stage::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(90deg, var(--paper), transparent 8%, transparent 92%, var(--paper));
}
.pipe-svg{width:100%; height:auto; display:block; overflow:visible; position:relative; z-index:1}
/* svg parts */
.pl-base{stroke:var(--line); stroke-width:2; fill:none}
.pl-flow{stroke:var(--blue); stroke-width:2; fill:none; stroke-dasharray:2 10; stroke-linecap:round; opacity:.55; animation:dashflow 1.9s linear infinite}
@keyframes dashflow{to{stroke-dashoffset:-240}}
.node{cursor:pointer}
.node .hit{fill:transparent; stroke:none; pointer-events:all}
.node .ring{fill:var(--paper); stroke:var(--line); stroke-width:1.6; transition:stroke .2s, fill .2s}
.node .idx{fill:var(--muted); font-family:var(--font-mono); font-size:12px; font-weight:600; text-anchor:middle; transition:fill .2s}
.node .lbl{fill:var(--muted); font-family:var(--font-mono); font-size:11px; letter-spacing:.07em; text-anchor:middle; text-transform:uppercase; transition:fill .2s}
.node .halo{fill:none; stroke:var(--blue); stroke-width:1.4; opacity:0; transform-box:fill-box; transform-origin:center}
.node:hover .ring{stroke:var(--blue-line)}
.node:hover .lbl, .node:hover .idx{fill:var(--ink)}
.node:focus-visible{outline:none}
.node:focus-visible .ring{stroke:var(--blue); stroke-width:2}
.node.active .ring{fill:var(--blue-soft); stroke:var(--blue); stroke-width:2}
.node.active .idx{fill:var(--blue)}
.node.active .lbl{fill:var(--ink); font-weight:600}
.node.active .halo{opacity:1; animation:halo 2.6s ease-out infinite}
@keyframes halo{
  0%{transform:scale(1); opacity:.75}
  85%{transform:scale(1.75); opacity:0}
  100%{transform:scale(1.75); opacity:0}
}
.node.done .ring{stroke:var(--blue-line)}
.node.done .idx{fill:var(--blue)}
.packet-core{fill:var(--blue); filter:url(#pktglow)}
.packet-ring{fill:none; stroke:var(--blue); stroke-width:1.2; opacity:.45}
.packet{animation:travel var(--dur,9s) linear infinite}
@keyframes travel{
  0%{transform:translateX(0); opacity:0}
  4%{opacity:1} 96%{opacity:1}
  100%{transform:translateX(var(--travel,800px)); opacity:0}
}
.diagram-overflow-cue{
  display:none; position:absolute; right:.7rem; bottom:.7rem; z-index:3; pointer-events:none;
  align-items:center; gap:.4rem; padding:.38rem .58rem; border-radius:999px;
  border:1px solid var(--line); background:color-mix(in srgb, var(--paper) 88%, transparent);
  box-shadow:var(--shadow-1); color:var(--muted);
  font-family:var(--font-mono); font-size:.62rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
}
.diagram-overflow-cue svg{width:14px; height:14px; animation:stageCueSlide 1.8s ease-in-out infinite}
@keyframes stageCueSlide{0%,100%{transform:translateX(0)} 50%{transform:translateX(4px)}}
.diagram-foot{
  display:flex; justify-content:space-between; align-items:center; gap:1rem;
  padding:.7rem 1.2rem .85rem; border-top:1px solid var(--line-soft);
}
.diagram-foot .cap{font-family:var(--font-mono); font-size:.68rem; color:var(--faint); letter-spacing:.04em}
.autoplay-note{font-family:var(--font-mono); font-size:.62rem; color:var(--faint); letter-spacing:.08em; text-transform:uppercase}
@media(max-width:720px){
  .diagram-scroll.has-stage-overflow:not(.stage-scroll-at-end) .diagram-overflow-cue{display:inline-flex}
}
@media (prefers-reduced-motion:reduce){
  .diagram-overflow-cue svg{animation:none}
}
/* inspector */
.inspector{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--shadow-2); padding:1.15rem 1.2rem 1rem; display:flex; flex-direction:column;
  min-height:430px;
}
.insp-top{display:flex; align-items:center; justify-content:space-between; margin-bottom:.9rem}
.insp-top .k-label{color:var(--muted)}
.insp-count{font-family:var(--font-mono); font-size:.66rem; color:var(--faint); letter-spacing:.1em}
.insp-body{flex:1}
.insp-body.swap{animation:swapIn .32s ease both}
@keyframes swapIn{from{opacity:0; transform:translateY(7px)} to{opacity:1; transform:none}}
.insp-title{display:flex; align-items:center; gap:.65rem; margin-bottom:.9rem}
.insp-num{
  display:grid; place-items:center; width:26px; height:26px; border-radius:50%;
  background:var(--blue); color:#fff; font-family:var(--font-mono); font-size:.74rem; font-weight:600; flex:none;
}
.insp-title h3{font-size:1.08rem; letter-spacing:-.01em}
.insp-chip{
  margin-left:auto; font-family:var(--font-mono); font-size:.6rem; font-weight:600; letter-spacing:.12em;
  color:var(--blue); border:1px solid var(--blue-line); background:var(--blue-soft);
  border-radius:999px; padding:.18rem .55rem; white-space:nowrap;
}
.insp-purpose{color:var(--muted); font-size:.88rem; line-height:1.55; margin-bottom:1rem}
.insp-sec{margin-bottom:1rem}
.insp-sec .k-label{display:block; margin-bottom:.5rem}
.insp-list{list-style:none; margin:0; padding:0; display:grid; gap:.45rem}
.insp-list li{
  position:relative; padding-left:1.45rem; font-size:.83rem; color:var(--body); line-height:1.5;
}
.insp-list li svg{position:absolute; left:0; top:.22em; width:14px; height:14px; color:var(--blue)}
.insp-list.bounds li svg{color:var(--green)}
.evidence{
  background:var(--code-bg); border-radius:var(--r-sm); padding:.75rem .85rem;
  font-family:var(--font-mono); font-size:.7rem; line-height:1.7; color:var(--code-ink);
  overflow-x:auto; white-space:pre; border:1px solid color-mix(in srgb, var(--code-bg) 60%, var(--line));
}
.evidence .ek{color:var(--code-key)}
.evidence .ev{color:var(--code-val)}
.insp-nav{display:flex; justify-content:space-between; align-items:center; border-top:1px solid var(--line-soft); padding-top:.8rem; margin-top:auto}
.insp-nav button{
  display:flex; align-items:center; gap:.45rem; font-size:.82rem; font-weight:600; color:var(--muted);
  padding:.3rem .5rem; border-radius:8px; transition:color .15s;
}
.insp-nav button:hover:not(:disabled){color:var(--blue)}
.insp-nav button:disabled{opacity:.35; cursor:default}
.insp-nav .next-name{color:var(--ink)}
.insp-nav svg{width:14px; height:14px}
/* environment strip */
.env-strip{
  margin-top:1rem; background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--shadow-1); padding:1.1rem 1.4rem;
}
.env-strip .k-label{display:block; margin-bottom:.9rem}
.env-row{display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; position:relative}
@media(max-width:820px){ .env-row{grid-template-columns:1fr; gap:1rem} }
.env{display:flex; gap:.8rem; align-items:flex-start}
.env svg{width:20px; height:20px; flex:none; color:var(--blue); margin-top:.15rem}
.env b{display:block; color:var(--ink); font-size:.9rem; letter-spacing:.02em}
.env span{color:var(--muted); font-size:.8rem; line-height:1.45}
/* ============ SERVICES ============ */
#services{border-top:1px solid var(--line)}
.svc-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem}
@media(max-width:1020px){ .svc-grid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:660px){ .svc-grid{grid-template-columns:1fr} }
.svc{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:1.35rem 1.35rem 1.15rem; display:flex; flex-direction:column; gap:.75rem;
  transition:border-color .22s, transform .22s, box-shadow .22s; position:relative; overflow:hidden;
}
.svc::before{
  content:""; position:absolute; top:0; left:1.35rem; right:1.35rem; height:2px;
  background:var(--blue); transform:scaleX(0); transform-origin:left; transition:transform .3s ease;
}
.svc:hover{border-color:var(--blue-line); transform:translateY(-3px); box-shadow:var(--shadow-2)}
.svc:hover::before{transform:scaleX(1)}
.svc .svc-idx{font-family:var(--font-mono); font-size:.66rem; color:var(--faint); letter-spacing:.14em}
.svc h3{font-size:1.06rem; letter-spacing:-.01em}
.svc .what{color:var(--muted); font-size:.87rem; line-height:1.55; flex:1}
.svc .proof{border-top:1px solid var(--line-soft); padding-top:.75rem}
.svc .proof .k-label{display:block; margin-bottom:.45rem}
.svc .proof ul{list-style:none; margin:0; padding:0; display:grid; gap:.3rem}
.svc .proof li{font-size:.78rem; color:var(--body); line-height:1.45; padding-left:1rem; position:relative}
.svc .proof li::before{content:""; position:absolute; left:0; top:.55em; width:5px; height:5px; border-radius:1px; background:var(--blue); transform:rotate(45deg)}
.svc .proof li a{color:var(--blue); font-weight:600}
.svc .proof li a:hover{text-decoration:underline}
/* ============ SYSTEMS ============ */
#systems{border-top:1px solid var(--line)}
.sys-tabs{display:flex; gap:.45rem; flex-wrap:wrap; margin-bottom:1.1rem}
.sys-tab{
  display:flex; align-items:center; gap:.55rem; padding:.55rem .95rem; border-radius:10px;
  border:1px solid var(--line); background:var(--paper); font-size:.86rem; font-weight:600; color:var(--muted);
  transition:all .18s;
}
.sys-tab:hover{color:var(--ink); border-color:var(--faint)}
.sys-tab[aria-selected="true"]{background:var(--ink); border-color:var(--ink); color:var(--paper)}
[data-theme="dark"] .sys-tab[aria-selected="true"]{background:var(--blue-soft); border-color:var(--blue); color:var(--blue-ink)}
.sys-tab .mini{font-family:var(--font-mono); font-size:.6rem; letter-spacing:.06em; opacity:.65}
.sys-meta{
  display:flex; align-items:flex-start; justify-content:space-between; gap:1.4rem;
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg) var(--r-lg) 0 0;
  border-bottom:none; padding:1.3rem 1.4rem 1.2rem; flex-wrap:wrap;
}
.sys-meta .left{max-width:640px; min-width:0}
.sys-title-row{display:flex; align-items:center; gap:.8rem; flex-wrap:wrap}
.sys-meta h3{font-size:1.4rem; letter-spacing:-.015em}
.badge{
  font-family:var(--font-mono); font-size:.62rem; font-weight:600; letter-spacing:.1em;
  padding:.22rem .6rem; border-radius:999px; white-space:nowrap; display:inline-flex; align-items:center; gap:.4rem;
}
.badge.live{color:var(--green); background:var(--green-soft); border:1px solid color-mix(in srgb, var(--green) 35%, transparent)}
.badge.live .b-dot{width:6px; height:6px; border-radius:50%; background:var(--green)}
.badge.proto{color:var(--amber); background:var(--amber-soft); border:1px solid color-mix(in srgb, var(--amber) 35%, transparent)}
.badge.pub{color:var(--blue); background:var(--blue-soft); border:1px solid var(--blue-line)}
.sys-title-row .badge{max-width:100%; white-space:normal; overflow-wrap:anywhere}
a.badge:hover{filter:brightness(.92)}
.sys-meta .tagline{color:var(--muted); font-size:.92rem; line-height:1.6; margin-top:.65rem}
.sys-meta .right{display:grid; gap:.7rem; min-width:230px}
.sys-meta .right .k-label{margin-bottom:-.25rem}
.stack-chips, .metric-chips{display:flex; flex-wrap:wrap; gap:.35rem}
.chip{
  font-family:var(--font-mono); font-size:.66rem; color:var(--muted);
  border:1px solid var(--line); background:var(--panel); border-radius:6px; padding:.2rem .5rem; white-space:nowrap;
}
.chip.metric{color:var(--blue-ink); background:var(--blue-soft); border-color:var(--blue-line); font-weight:500}
.sys-console{grid-template-columns:minmax(0,1fr) 312px; margin-top:0}
.sys-console .diagram-panel{border-radius:0 0 0 var(--r-lg)}
.sys-console .inspector{border-radius:0 0 var(--r-lg) 0}
@media(max-width:1100px){
  .sys-console .diagram-panel{border-radius:0}
  .sys-console .inspector{border-radius:0 0 var(--r-lg) var(--r-lg)}
}
/* ============ OPERATIONS ============ */
#operations{border-top:1px solid var(--line)}
.ops-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:1rem; align-items:stretch}
@media(max-width:960px){ .ops-grid{grid-template-columns:1fr} }
.ops-panel{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--shadow-1); padding:1.4rem;
}
.ops-panel > .k-label{display:block; margin-bottom:1.1rem}
.steps{display:grid; gap:0}
.step{
  display:grid; grid-template-columns:44px 1fr; gap:1rem; padding:.8rem 0;
  border-top:1px solid var(--line-soft); position:relative;
}
.step:first-child{border-top:none; padding-top:0}
.step .n{
  font-family:var(--font-mono); font-size:.78rem; font-weight:600; color:var(--blue);
  width:30px; height:30px; display:grid; place-items:center;
  border:1px solid var(--blue-line); border-radius:50%; background:var(--blue-soft);
}
.step b{display:block; color:var(--ink); font-size:.94rem}
.step span{color:var(--muted); font-size:.83rem; line-height:1.5}
.record{display:grid; grid-template-columns:1fr 1fr; gap:1rem 1.4rem; margin-bottom:1.2rem}
.rec .num{font-size:1.5rem; font-weight:800; color:var(--ink); letter-spacing:-.02em; line-height:1.1}
.rec .what{color:var(--muted); font-size:.78rem; line-height:1.4; margin-top:.2rem}
.ops-note{
  border-top:1px solid var(--line-soft); padding-top:1rem;
  color:var(--muted); font-size:.82rem; line-height:1.6;
}
.ops-note b{color:var(--ink); font-weight:600}
/* ============ EVIDENCE ============ */
#evidence{border-top:1px solid var(--line)}
.ledger{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--shadow-1); overflow:hidden;
}
.ledger-row{
  display:grid; grid-template-columns:1.1fr 1.3fr auto; gap:1.2rem; align-items:center;
  padding:1rem 1.4rem; border-top:1px solid var(--line-soft);
}
.ledger-row:first-child{border-top:none}
.ledger-row.head{background:var(--panel); padding:.65rem 1.4rem}
.ledger-row .claim{color:var(--ink); font-weight:600; font-size:.9rem; line-height:1.45}
.ledger-row .src{color:var(--muted); font-size:.82rem; line-height:1.5}
.ledger-row .src .mono{font-size:.72rem; color:var(--body)}
.ledger-row .go{justify-self:end}
.ledger-verify-head{justify-self:end}
.verify-link{
  display:inline-flex; align-items:center; gap:.4rem;
  font-family:var(--font-mono); font-size:.68rem; font-weight:600; letter-spacing:.06em;
  color:var(--blue); border:1px solid var(--blue-line); background:var(--blue-soft);
  padding:.32rem .7rem; border-radius:999px; white-space:nowrap; transition:filter .15s;
}
.verify-link:hover{filter:brightness(.93)}
.verify-tag{
  font-family:var(--font-mono); font-size:.66rem; color:var(--faint); letter-spacing:.06em; white-space:nowrap;
}
@media(max-width:820px){
  .ledger-row{grid-template-columns:1fr; gap:.5rem}
  .ledger-row .go{justify-self:start}
  .ledger-row.head{display:none}
}
.no-claims{
  margin-top:1rem; background:var(--paper); border:1px dashed var(--line); border-radius:var(--r-lg);
  padding:1.3rem 1.4rem;
}
.no-claims .k-label{display:block; margin-bottom:.8rem; color:var(--amber)}
.no-claims ul{list-style:none; margin:0; padding:0; display:grid; gap:.55rem; grid-template-columns:1fr 1fr}
@media(max-width:820px){ .no-claims ul{grid-template-columns:1fr} }
.no-claims li{
  position:relative; padding-left:1.5rem; color:var(--muted); font-size:.84rem; line-height:1.55;
}
.no-claims li svg{position:absolute; left:0; top:.2em; width:15px; height:15px; color:var(--amber)}
.no-claims li b{color:var(--ink); font-weight:600}
/* ============ CONTACT / FOOTER ============ */
#contact{border-top:1px solid var(--line)}
.contact-panel{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--shadow-2); padding:clamp(1.8rem,4vw,3rem);
  display:grid; grid-template-columns:1.2fr .8fr; gap:2.4rem; align-items:center;
}
@media(max-width:860px){ .contact-panel{grid-template-columns:1fr; gap:1.6rem} }
.contact-panel h2{font-size:clamp(1.6rem,3.2vw,2.3rem); letter-spacing:-.025em}
.contact-panel .pitch{color:var(--muted); margin-top:.9rem; font-size:.98rem; max-width:46ch}
.contact-ctas{display:flex; gap:.8rem; margin-top:1.4rem; flex-wrap:wrap}
.contact-ctas.is-flush{margin-top:0}
.contact-links{display:grid; gap:.15rem}
.contact-links .k-label{margin:.9rem 0 .4rem}
.contact-links .k-label:first-child{margin-top:0}
.contact-links a{
  display:flex; align-items:center; gap:.55rem; color:var(--body); font-size:.9rem; padding:.3rem 0;
  transition:color .15s; width:fit-content;
}
.contact-links a:hover{color:var(--blue)}
.contact-links a svg{width:15px; height:15px; color:var(--faint); flex:none}
.contact-links a:hover svg{color:var(--blue)}
footer{padding:1.8rem 0 2.4rem}
.foot{display:flex; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; align-items:flex-start}
.foot p{color:var(--faint); font-size:.78rem; line-height:1.6; max-width:62ch}
.foot .mono{font-size:.68rem; color:var(--faint); letter-spacing:.05em}
/* ============ REVEAL ============ */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .65s ease, transform .65s ease}
.reveal.in{opacity:1; transform:none}
.reveal.d1{transition-delay:.08s} .reveal.d2{transition-delay:.16s} .reveal.d3{transition-delay:.24s}
/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pl-flow,.packet,.node.active .halo,.status-pill .dot::after{animation:none !important}
  .packet{opacity:0}
  .reveal{opacity:1; transform:none; transition:none}
  .insp-body.swap{animation:none}
  *{transition-duration:.01ms !important}
}

/* ================================================================
   MULTI-PAGE ADDITIONS
   ================================================================ */
/* interior page hero + breadcrumb */
.page-hero{padding:clamp(2.4rem,5vw,3.6rem) 0 0}
.breadcrumb{display:flex; align-items:center; gap:.5rem; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.04em; color:var(--faint); margin-bottom:1.15rem}
.breadcrumb a{color:var(--muted); transition:color .15s}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .here{color:var(--ink)}
.page-hero .eyebrow{margin-bottom:.9rem}
.page-hero h1{font-size:clamp(2rem,4.4vw,3rem); font-weight:800; letter-spacing:-.028em; line-height:1.05}
.page-hero h1 em{font-style:normal; color:var(--blue)}
.page-hero .lede{color:var(--muted); font-size:clamp(1rem,1.6vw,1.14rem); max-width:62ch; margin-top:1rem}
section.tight{padding-top:clamp(1.8rem,3.5vw,2.6rem)}

/* systems index cards */
.sys-card-grid{display:grid; grid-template-columns:1fr 1fr; gap:1rem}
@media(max-width:840px){ .sys-card-grid{grid-template-columns:1fr} }
.sys-card{display:flex; flex-direction:column; gap:.85rem; background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--shadow-1); padding:1.4rem; transition:border-color .22s, transform .22s, box-shadow .22s; position:relative; overflow:hidden}
.sys-card::before{content:""; position:absolute; top:0; left:1.4rem; right:1.4rem; height:2px; background:var(--blue); transform:scaleX(0); transform-origin:left; transition:transform .3s ease}
.sys-card:hover{border-color:var(--blue-line); transform:translateY(-3px); box-shadow:var(--shadow-2)}
.sys-card:hover::before{transform:scaleX(1)}
.sys-card .sys-card-top{display:flex; align-items:center; gap:.7rem; flex-wrap:wrap}
.sys-card h3{font-size:1.22rem; letter-spacing:-.01em}
.sys-card .kind{font-family:var(--font-mono); font-size:.62rem; letter-spacing:.12em; text-transform:uppercase; color:var(--faint)}
.sys-card .tagline{color:var(--muted); font-size:.9rem; line-height:1.55; flex:1}
.sys-card .card-foot{display:flex; align-items:center; justify-content:space-between; gap:1rem; border-top:1px solid var(--line-soft); padding-top:.9rem}
.sys-card .explore{display:inline-flex; align-items:center; gap:.45rem; font-weight:700; font-size:.88rem; color:var(--blue)}
.sys-card .explore svg{width:15px; height:15px; transition:transform .2s}
.sys-card:hover .explore svg{transform:translateX(4px)}

/* system detail prev/next */
.sys-detail-nav{display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-top:1.2rem}
@media(max-width:640px){ .sys-detail-nav{grid-template-columns:1fr} }
.sys-detail-nav a{display:flex; flex-direction:column; gap:.28rem; padding:1rem 1.2rem; border:1px solid var(--line); border-radius:var(--r-md); background:var(--paper); box-shadow:var(--shadow-1); transition:border-color .2s, transform .2s}
.sys-detail-nav a:hover{border-color:var(--blue-line); transform:translateY(-2px)}
.sys-detail-nav a.next{text-align:right; align-items:flex-end}
.sys-detail-nav .dir{font-family:var(--font-mono); font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--faint)}
.sys-detail-nav .nm{font-weight:700; color:var(--ink)}
.private-note{margin-top:.9rem; color:var(--muted); font-size:.85rem}

/* per-system boundaries */
.boundaries{background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--shadow-1); padding:1.4rem 1.5rem; margin-top:1rem}
.boundaries .k-label{display:block; margin-bottom:1rem; color:var(--amber)}
.boundaries ul{list-style:none; margin:0; padding:0; display:grid; gap:.75rem; grid-template-columns:1fr 1fr}
@media(max-width:840px){ .boundaries ul{grid-template-columns:1fr} }
.boundaries li{position:relative; padding-left:1.6rem; color:var(--muted); font-size:.87rem; line-height:1.55}
.boundaries li svg{position:absolute; left:0; top:.18em; width:15px; height:15px; color:var(--amber)}

/* home teaser blocks */
.teaser-head{display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; margin-bottom:1.4rem; flex-wrap:wrap}
.teaser-head h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.teaser-head .more{display:inline-flex; align-items:center; gap:.45rem; font-weight:700; font-size:.9rem; color:var(--blue); white-space:nowrap}
.teaser-head .more svg{width:15px; height:15px; transition:transform .2s}
.teaser-head .more:hover svg{transform:translateX(4px)}

/* CTA band */
.cta-band{background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--shadow-2); padding:clamp(1.8rem,4vw,2.8rem); display:flex; align-items:center; justify-content:space-between; gap:1.6rem; flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.1rem); letter-spacing:-.02em}
.cta-band p{color:var(--muted); margin-top:.6rem; max-width:48ch}

/* footer nav */
.foot-nav{display:flex; flex-wrap:wrap; gap:.2rem 1.4rem; margin-top:1.2rem}
.foot-nav a{font-size:.85rem; color:var(--muted); transition:color .15s; padding:.2rem 0}
.foot-nav a:hover{color:var(--blue)}
.foot-top{display:flex; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; align-items:flex-start; margin-bottom:1.4rem}

/* 404 */
.err-wrap{min-height:58vh; display:grid; place-items:center; text-align:center; padding:3rem 0}
.err-wrap .code{font-family:var(--font-mono); font-size:.8rem; letter-spacing:.2em; color:var(--blue); text-transform:uppercase}
.err-wrap h1{font-size:clamp(2.4rem,6vw,4rem); margin:.6rem 0}
.err-wrap p{color:var(--muted); max-width:46ch; margin:0 auto 1.6rem}

/* noscript */
.noscript-note{background:var(--amber-soft); border:1px solid color-mix(in srgb, var(--amber) 35%, transparent); color:var(--ink); border-radius:var(--r-md); padding:.9rem 1.2rem; font-size:.9rem; margin:1.2rem 0}
.noscript-note a{color:var(--blue); font-weight:600; text-decoration:underline}

/* skip link */
.skip-link{position:absolute; left:-999px; top:.5rem; z-index:200; background:var(--blue); color:#fff; padding:.5rem .9rem; border-radius:8px; font-weight:600; font-size:.85rem}
.skip-link:focus{left:.8rem}

/* footer (multi-page) */
footer{padding:2.6rem 0 3rem; border-top:1px solid var(--line); border-bottom:none; margin-top:.5rem}
.foot-note{color:var(--faint); font-size:.8rem; line-height:1.65; max-width:64ch}
.foot-copy{font-family:var(--font-mono); color:var(--faint); font-size:.68rem; letter-spacing:.05em; margin-top:1.3rem}

/* mobile navigation (hamburger dropdown) */
.nav-toggle{display:none; place-items:center; width:44px; height:44px; border-radius:9px; border:1px solid var(--line); color:var(--ink); background:var(--paper); transition:border-color .18s, color .18s}
.nav-toggle:hover{border-color:var(--faint)}
.nav-toggle svg{width:18px; height:18px}
.nav-toggle .icon-close{display:none}
header.nav-open .nav-toggle .icon-open{display:none}
header.nav-open .nav-toggle .icon-close{display:block}
@media(max-width:960px){
  .nav-toggle{display:grid}
  .nav-links{
    display:flex; flex-direction:column; align-items:stretch; gap:0;
    position:absolute; top:60px; left:0; right:0; z-index:90;
    background:var(--paper);
    backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line); box-shadow:var(--shadow-2);
    padding:.3rem clamp(1.1rem,3.4vw,2.4rem) .8rem;
    opacity:0; visibility:hidden; transform:translateY(-10px); pointer-events:none;
    transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
  }
  header.nav-open .nav-links{opacity:1; visibility:visible; transform:none; pointer-events:auto}
  .nav-links a{display:flex; align-items:center; min-height:44px; padding:.78rem .2rem; font-size:1rem; border-top:1px solid var(--line-soft)}
  .nav-links a:first-child{border-top:none}
  .nav-links a::after{display:none}
  .nav-links a[aria-current="page"]{color:var(--blue)}
}
@media(max-width:520px){ .status-pill{display:none} }

/* screen-reader-only utility */
.sr-only{position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0}

/* ================================================================
   DEDENSIFY v2 — negative space, plainer inspector, proof toggle
   ================================================================ */
/* more air between sections + section heads */
section{padding:clamp(4.5rem,9vw,8rem) 0}
.sec-head{margin-bottom:clamp(2.4rem,5vw,3.6rem)}
.hero-grid{gap:clamp(2rem,4vw,3.4rem)}
.console{align-items:start; gap:1.25rem}
.svc-grid{gap:1.25rem}
.sys-card-grid{gap:1.25rem}

/* inspector: the plain sentence is the star; proof is tucked away */
.inspector{min-height:0; padding:1.3rem 1.35rem 1.15rem}
.insp-purpose{font-size:1.06rem; line-height:1.6; color:var(--ink); margin-bottom:1.1rem; max-width:40ch}
.insp-title{margin-bottom:1rem}
.insp-body{padding-bottom:.4rem}

/* show-the-proof toggle */
.proof-toggle{display:inline-flex; align-items:center; gap:.45rem; padding:.4rem 0; margin-bottom:.2rem;
  font-family:var(--font-mono); font-size:.68rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--blue); transition:color .15s}
.proof-toggle:hover{color:var(--blue-ink)}
.proof-toggle svg{width:14px; height:14px; transition:transform .25s ease}
.proof-toggle.open svg{transform:rotate(180deg)}
.insp-proof{margin-top:.85rem; border-top:1px solid var(--line-soft); padding-top:1.1rem; display:grid; gap:1.1rem; animation:swapIn .3s ease both}
.insp-proof[hidden]{display:none}
.insp-proof .insp-sec{margin-bottom:0}

/* services: one plain line of proof links instead of a bulleted list */
.svc{gap:.85rem; padding:clamp(1.5rem,2.8vw,2rem)}
.svc h3{font-size:1.14rem}
.svc .what{font-size:.95rem; line-height:1.6}
.proof-line{border-top:1px solid var(--line-soft); padding-top:.9rem; margin-top:.2rem; font-size:.85rem; color:var(--muted); line-height:1.7}
.proof-line .k-label{display:inline; margin-right:.55rem}
.proof-line a{color:var(--blue); font-weight:600}
.proof-line a:hover{text-decoration:underline}

/* detail meta: airier two-column spec strip */
.sys-meta{gap:2rem 2.4rem}
.sys-meta .left{display:grid; gap:.7rem; align-content:start}

/* rail breathing room */
.rail-block{padding:1.4rem 0}
.proofs{gap:1.1rem}

/* svc-idx now just the number — quieter */
.svc .svc-idx{font-size:.72rem; letter-spacing:.16em}

/* ================================================================
   BRAND — DEV Intelligence
   ================================================================ */
.brand{gap:.34rem}
.brand-dev{font-weight:800; font-size:1.05rem; letter-spacing:.005em; color:var(--ink)}
.brand-int{font-weight:500; font-size:1.05rem; letter-spacing:.005em; color:var(--blue)}
.brand:hover .brand-int{color:var(--blue-ink)}
.rail .rail-int{color:var(--blue); font-weight:800}


/* ================================================================
   HERO PROMINENCE — full-width statement, 900-weight display type
   (research: 48–72px display headlines, short sub, statement layout)
   ================================================================ */
.hero-statement{padding:clamp(1.6rem,4vw,3.4rem) 0 clamp(2.6rem,5vw,4rem)}
.headline{
  font-size:clamp(2.9rem,7.4vw,4.6rem);
  font-weight:900; line-height:.98; letter-spacing:-.035em;
}
.hero-statement .hero-sub{
  font-size:clamp(1.08rem,1.9vw,1.32rem); line-height:1.55;
  max-width:52ch; margin-top:1.5rem;
}
.hero-statement .hero-ctas{margin-top:2rem}
.hero-statement .btn{padding:.78rem 1.5rem; font-size:.97rem; border-radius:12px}
#overview{padding-top:clamp(2rem,4vw,3.2rem)}
#overview .hero-grid{padding-top:0}
/* interior page heroes: heavier to match */
.page-hero h1{font-weight:870; letter-spacing:-.032em}
.headline em{font-style:normal; color:var(--blue)}


/* ================================================================
   HERO OWNS THE VIEWPORT + DENSITY PASS
   ================================================================ */
#overview{padding:0}
.hero-full{
  min-height:calc(100vh - 60px);
  min-height:calc(100svh - 60px);
  display:flex; flex-direction:column; justify-content:center;
  position:relative; padding:2rem 0 5.5rem;
}
.proof-bar{
  display:flex; flex-wrap:wrap; gap:.5rem 2.2rem; margin-top:2.8rem;
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.1em;
  text-transform:uppercase; color:var(--muted);
}
.proof-bar span::before{content:"✓  "; color:var(--green)}
.scroll-cue{
  position:absolute; left:0; bottom:2.2rem;
  display:inline-flex; align-items:center; gap:.6rem;
  font-family:var(--font-mono); font-size:.66rem; font-weight:600;
  letter-spacing:.16em; text-transform:uppercase; color:var(--faint);
  transition:color .18s;
}
.scroll-cue:hover{color:var(--blue)}
.scroll-cue svg{width:14px; height:14px; animation:cueBob 2.2s ease-in-out infinite}
@keyframes cueBob{0%,100%{transform:translateY(0)} 50%{transform:translateY(4px)}}
#how{padding-top:clamp(3rem,6vw,4.5rem)}
#how .console{margin-top:0}
#how .env-strip{margin-top:1.4rem}
/* breathing room, site-wide */
.svc-grid{gap:1.5rem}
.sys-card-grid{gap:1.5rem}
.console{gap:1.4rem}
.sys-meta{padding:1.6rem 1.7rem 1.5rem}
.contact-links .kv{color:var(--body); font-size:.9rem; padding:.3rem 0; margin:0}
@media (prefers-reduced-motion:reduce){ .scroll-cue svg{animation:none} }
@media (max-width:720px){ .hero-full{justify-content:flex-start; padding-top:3.5rem} }

/* ================================================================
   ACTION CLARITY FIXES
   ================================================================ */
.svc .fit{
  border-top:1px solid var(--line-soft);
  padding-top:.9rem;
  color:var(--body);
  font-size:.88rem;
  line-height:1.55;
}
.svc .fit .k-label{display:block; margin-bottom:.25rem}
.svc-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.85rem;
  border-top:1px solid var(--line-soft);
  padding-top:.9rem;
  margin-top:.1rem;
  flex-wrap:wrap;
}
.svc-action{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  color:var(--blue);
  font-weight:700;
  font-size:.88rem;
}
.svc-action:hover{text-decoration:underline}

.contact-panel > div:first-child > .k-label{
  display:block;
  margin-bottom:.8rem;
  color:var(--ink);
}
.contact-checklist{
  list-style:none;
  margin:0 0 1.4rem;
  padding:0;
  display:grid;
  gap:.8rem;
  counter-reset:contactBrief;
}
.contact-checklist li{
  position:relative;
  padding-left:2.4rem;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.5;
}
.contact-checklist li::before{
  counter-increment:contactBrief;
  content:counter(contactBrief, decimal-leading-zero);
  position:absolute;
  left:0;
  top:.08rem;
  display:grid;
  place-items:center;
  width:1.55rem;
  height:1.55rem;
  border-radius:50%;
  background:var(--blue-soft);
  color:var(--blue-ink);
  border:1px solid var(--blue-line);
  font-family:var(--font-mono);
  font-size:.62rem;
  font-weight:700;
}
.contact-checklist b{
  display:block;
  color:var(--ink);
  font-size:.95rem;
}
.contact-checklist span{display:block}