/* ============================================================
   TK CORPORATION — design system
   Quiet systems studio: warm near-black, editorial serif,
   precise grotesk, mono signal labels, brass accent.
   ============================================================ */

:root{
  /* surfaces */
  --ink:#0b0b09;
  --ink-2:#100f0d;
  --panel:#141310;
  --panel-2:#181712;

  /* type */
  --text:#ece8df;
  --muted:#a29d90;
  --faint:#6f6b60;

  /* lines */
  --line:rgba(236,232,223,.08);
  --line-bright:rgba(236,232,223,.17);

  /* signal accent — muted brass, used sparingly */
  --brass:#c79a4b;
  --brass-soft:rgba(199,154,75,.16);
  --brass-line:rgba(199,154,75,.38);

  /* warm metal gradient (primary CTA + em text) */
  --metal:linear-gradient(120deg,#f2efe7 0%,#cbc6b8 40%,#96917f 62%,#e5e1d4 100%);

  --serif:'Bodoni Moda',Didot,'Times New Roman',serif;
  --sans:'Hanken Grotesk',-apple-system,sans-serif;
  --mono:'IBM Plex Mono','SF Mono',monospace;

  --ease:cubic-bezier(.22,.8,.24,1);
  --ease-out:cubic-bezier(.16,1,.3,1);

  --section:clamp(96px,13vh,176px);
  --gutter:clamp(20px,5.5vw,88px);
  --maxw:1280px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}

body{
  background:var(--ink);
  color:var(--muted);
  font-family:var(--sans);
  font-weight:400;
  font-size:1rem;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

::selection{background:var(--text);color:var(--ink)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;background:none;border:none;cursor:pointer;color:inherit}

:focus-visible{outline:2px solid var(--text);outline-offset:3px;border-radius:2px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}

.skip-link{
  position:absolute;left:16px;top:-48px;z-index:200;
  background:var(--text);color:var(--ink);padding:10px 18px;font-size:.85rem;
  border-radius:0 0 4px 4px;transition:top .25s var(--ease);
}
.skip-link:focus{top:0}

/* ---- cross-document page transitions (progressive enhancement) ---- */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .28s var(--ease) both}
::view-transition-new(root){animation:vt-in .42s var(--ease-out) both}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---- atmosphere ---- */
.grain{
  position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.atmo{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(52% 44% at 82% -6%,rgba(236,232,223,.045),transparent 68%),
    radial-gradient(44% 40% at 8% 108%,rgba(199,154,75,.05),transparent 66%);
}

/* ============================================================
   TYPE
   ============================================================ */
.mono-label{
  font-family:var(--mono);font-size:.68rem;font-weight:500;
  letter-spacing:.26em;text-transform:uppercase;color:var(--faint);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:.7rem;font-weight:500;
  letter-spacing:.28em;text-transform:uppercase;color:var(--muted);
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--line-bright)}
.eyebrow .sig{
  width:6px;height:6px;border-radius:50%;background:var(--brass);
  box-shadow:0 0 0 0 var(--brass-soft);animation:sig 3s var(--ease) infinite;
}
@keyframes sig{0%{box-shadow:0 0 0 0 rgba(199,154,75,.45)}70%{box-shadow:0 0 0 9px rgba(199,154,75,0)}100%{box-shadow:0 0 0 0 rgba(199,154,75,0)}}

h1,h2,h3{font-family:var(--serif);font-weight:460;color:var(--text);letter-spacing:-.005em}
h3{font-weight:540}
h1 em,h2 em,.metal-em{
  font-style:italic;font-weight:480;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent;
}

.display-xl{font-size:clamp(2.9rem,7.4vw,6.6rem);line-height:.98}
.display-lg{font-size:clamp(2.3rem,5vw,4.2rem);line-height:1.03}
.display-md{font-size:clamp(1.7rem,3.2vw,2.6rem);line-height:1.12}

.lede{font-size:clamp(1.02rem,1.4vw,1.18rem);line-height:1.72;color:var(--muted);max-width:58ch}

/* ============================================================
   LAYOUT SHELL
   ============================================================ */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
section{position:relative;z-index:3;padding-block:var(--section)}
section.tight{padding-block:calc(var(--section)*.62)}

.sec-head{max-width:760px;margin-bottom:clamp(44px,6vw,76px)}
.sec-head .eyebrow{margin-bottom:22px}
.sec-head p{margin-top:22px}

/* signal divider — hairline with a traveling pulse */
.signal-rule{position:relative;height:1px;background:var(--line);overflow:hidden}
.signal-rule::after{
  content:"";position:absolute;top:0;left:0;height:1px;width:64px;
  background:linear-gradient(90deg,transparent,var(--brass),transparent);
  animation:rule-run 7s linear infinite;
}
@keyframes rule-run{from{transform:translateX(-80px)}to{transform:translateX(calc(100vw + 80px))}}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  border-bottom:1px solid transparent;
  transition:background .4s ease,border-color .4s ease,padding .4s ease;
}
.nav-inner{
  max-width:var(--maxw);margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px var(--gutter);transition:padding .4s ease;
}
.nav.scrolled{
  background:rgba(11,11,9,.78);
  -webkit-backdrop-filter:blur(16px) saturate(130%);backdrop-filter:blur(16px) saturate(130%);
  border-bottom-color:var(--line);
}
.nav.scrolled .nav-inner{padding-block:14px}

.brand{display:flex;align-items:baseline;gap:12px;flex-shrink:0}
.brand .tk{font-family:var(--serif);font-weight:500;font-size:1.5rem;color:var(--text);letter-spacing:.02em;line-height:1}
.brand .word{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.42em;text-transform:uppercase;
  color:var(--faint);padding-left:12px;border-left:1px solid var(--line-bright);
}

.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{
  position:relative;font-size:.82rem;letter-spacing:.02em;color:var(--muted);
  padding:6px 0;transition:color .3s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--text);transition:width .35s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-links a[aria-current="page"]{color:var(--text)}
.nav-links a[aria-current="page"]::after{width:100%;background:var(--brass)}

.nav-cta{
  flex-shrink:0;font-size:.8rem;letter-spacing:.03em;font-weight:500;
  color:var(--ink);background:var(--metal);padding:11px 22px;border-radius:2px;
  transition:box-shadow .35s var(--ease),transform .35s var(--ease);
}
.nav-cta:hover{box-shadow:0 10px 28px -8px rgba(236,232,223,.3)}

.burger{
  display:none;flex-direction:column;gap:5px;padding:8px;z-index:96;
}
.burger span{width:22px;height:1px;background:var(--text);transition:transform .3s var(--ease),opacity .3s}
body.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:94;background:rgba(11,11,9,.97);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  display:flex;flex-direction:column;justify-content:center;padding:0 9vw;
  opacity:0;pointer-events:none;transition:opacity .4s var(--ease);
}
body.menu-open .mobile-menu{opacity:1;pointer-events:auto}
.mobile-menu a{
  font-family:var(--serif);font-size:clamp(1.7rem,7vw,2.3rem);color:var(--muted);
  padding:16px 0;border-bottom:1px solid var(--line);transition:color .3s,padding-left .3s var(--ease);
  display:flex;align-items:baseline;gap:16px;
}
.mobile-menu a:hover,.mobile-menu a[aria-current="page"]{color:var(--text)}
.mobile-menu a[aria-current="page"]{padding-left:8px}
.mobile-menu a i{font-family:var(--mono);font-style:normal;font-size:.62rem;letter-spacing:.2em;color:var(--faint)}
.mobile-menu .mm-cta{
  margin-top:34px;border:none;justify-content:center;background:var(--metal);color:var(--ink);
  font-family:var(--sans);font-size:1rem;font-weight:500;padding:17px;border-radius:2px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.92rem;letter-spacing:.02em;font-weight:500;
  padding:16px 32px;border-radius:2px;position:relative;overflow:hidden;
  transition:box-shadow .4s var(--ease),border-color .35s,background .35s,gap .35s var(--ease);
}
.btn svg{width:16px;height:16px;flex-shrink:0;transition:transform .35s var(--ease)}
.btn-solid{background:var(--metal);color:var(--ink)}
.btn-solid::before{
  content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-16deg);transition:left .7s var(--ease);
}
.btn-solid:hover::before{left:150%}
.btn-solid:hover{box-shadow:0 16px 40px -12px rgba(236,232,223,.35)}
.btn-solid:hover svg{transform:translateX(4px)}
.btn-line{color:var(--text);border:1px solid var(--line-bright)}
.btn-line:hover{border-color:var(--muted);background:rgba(236,232,223,.03);gap:15px}

.text-link{
  display:inline-flex;align-items:center;gap:9px;color:var(--text);
  font-size:.9rem;letter-spacing:.02em;border-bottom:1px solid var(--line-bright);
  padding-bottom:3px;transition:border-color .3s,gap .3s var(--ease);
}
.text-link:hover{border-color:var(--brass);gap:13px}
.text-link svg{width:14px;height:14px}

/* ============================================================
   REVEALS
   ============================================================ */
.rv{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}

/* ============================================================
   HERO (shared shell)
   ============================================================ */
.hero{
  position:relative;z-index:3;display:flex;flex-direction:column;justify-content:center;
  min-height:88svh;padding:170px var(--gutter) 84px;overflow:hidden;
}
.hero.hero-full{min-height:100svh}
.hero-inner{max-width:var(--maxw);margin-inline:auto;width:100%;position:relative;z-index:4}

.hero-canvas{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-canvas canvas{width:100%;height:100%;display:block}
/* static fallback behind / instead of canvas */
.hero-fallback{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 52% at 74% 18%,rgba(236,232,223,.06),transparent 66%),
    radial-gradient(46% 40% at 18% 88%,rgba(199,154,75,.05),transparent 62%);
}
.hero-gridlines{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 76% 64% at 50% 42%,#000 26%,transparent 74%);
  mask-image:radial-gradient(ellipse 76% 64% at 50% 42%,#000 26%,transparent 74%);
}
.hero-veil{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,11,9,.34),rgba(11,11,9,.06) 40%,rgba(11,11,9,.72) 92%,var(--ink));
}

.hero .eyebrow{margin-bottom:32px}
.hero h1{max-width:14ch}
.hero .lede{margin-top:30px}
.hero-ctas{margin-top:44px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* honest meta row (replaces fake stats) */
.hero-meta{
  margin-top:clamp(56px,8vh,88px);padding-top:28px;border-top:1px solid var(--line);
  display:flex;gap:clamp(24px,4.5vw,64px);flex-wrap:wrap;
}
.hero-meta div{max-width:220px}
.hero-meta b{
  display:block;font-family:var(--mono);font-weight:500;font-size:.7rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--text);margin-bottom:6px;
}
.hero-meta span{font-size:.82rem;color:var(--faint);line-height:1.55}

/* staged hero entrance */
.stage{opacity:0;transform:translateY(22px)}
.hero.ready .stage,.page-head.ready .stage{opacity:1;transform:none;transition:opacity 1s ease,transform 1s var(--ease-out)}
.hero.ready .stage-1,.page-head.ready .stage-1{transition-delay:.05s}
.hero.ready .stage-2,.page-head.ready .stage-2{transition-delay:.18s}
.hero.ready .stage-3,.page-head.ready .stage-3{transition-delay:.34s}
.hero.ready .stage-4,.page-head.ready .stage-4{transition-delay:.48s}
.hero.ready .stage-5,.page-head.ready .stage-5{transition-delay:.64s}

/* page-header variant for interior pages */
.page-head{
  position:relative;z-index:3;padding:190px var(--gutter) 72px;overflow:hidden;
}
.page-head .hero-gridlines{background-size:64px 64px;opacity:.4}
.page-head-inner{max-width:var(--maxw);margin-inline:auto;position:relative;z-index:3}
.page-head .eyebrow{margin-bottom:26px}
.page-head h1{max-width:16ch}
.page-head .lede{margin-top:26px}
.page-head .crumb{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--faint);margin-bottom:30px;display:flex;gap:10px;align-items:center;
}
.page-head .crumb a{color:var(--faint);transition:color .3s}
.page-head .crumb a:hover{color:var(--text)}
.page-head .crumb .sep{color:var(--line-bright)}

/* ============================================================
   LEDGER ROWS (problem lists, capability lists)
   ============================================================ */
.ledger{border-top:1px solid var(--line)}
.ledger-row{
  display:grid;grid-template-columns:72px 1fr 1.35fr;gap:clamp(18px,3vw,44px);
  padding:30px 0;border-bottom:1px solid var(--line);align-items:baseline;
  transition:padding-left .4s var(--ease);position:relative;
}
.ledger-row::before{
  content:"";position:absolute;left:0;top:-1px;height:1px;width:0;
  background:var(--brass-line);transition:width .55s var(--ease);
}
.ledger-row:hover{padding-left:8px}
.ledger-row:hover::before{width:72px}
.ledger-row .idx{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;color:var(--faint)}
.ledger-row h3{font-size:clamp(1.15rem,1.8vw,1.45rem);font-weight:450}
.ledger-row p{font-size:.94rem;color:var(--muted);line-height:1.66}

/* ============================================================
   CARDS
   ============================================================ */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(262px,100%),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.card{
  background:var(--ink-2);padding:clamp(30px,3.4vw,46px) clamp(24px,2.8vw,38px);
  position:relative;overflow:hidden;transition:background .45s;
}
.card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s;pointer-events:none;
  background:radial-gradient(320px circle at var(--px,50%) var(--py,50%),rgba(236,232,223,.055),transparent 62%);
}
.card:hover{background:var(--panel)}
.card:hover::before{opacity:1}
.card .idx{font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;color:var(--faint);display:block;margin-bottom:26px}
.card .ico{width:38px;height:38px;color:var(--text);margin-bottom:22px;stroke-width:1.1}
.card h3{font-size:1.32rem;font-weight:460;margin-bottom:10px}
.card p{font-size:.92rem;color:var(--muted);line-height:1.66}
.card .card-link{
  margin-top:22px;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);
  transition:color .3s,gap .3s var(--ease);
}
.card:hover .card-link{color:var(--brass);gap:12px}
.card .card-link svg{width:12px;height:12px}
a.card{display:block;color:inherit}

/* corner tick marks — blueprint feel */
.ticked{position:relative}
.ticked::after{
  content:"";position:absolute;top:14px;right:14px;width:9px;height:9px;pointer-events:none;
  background:
    linear-gradient(var(--line-bright),var(--line-bright)) center/9px 1px no-repeat,
    linear-gradient(var(--line-bright),var(--line-bright)) center/1px 9px no-repeat;
  opacity:.7;
}

/* ============================================================
   OPERATING MODEL STEPS
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--ink-2);padding:clamp(28px,3vw,42px) clamp(22px,2.4vw,34px);position:relative;transition:background .45s}
.step:hover{background:var(--panel)}
.step .no{
  font-family:var(--serif);font-style:italic;font-size:2.4rem;font-weight:400;
  color:transparent;-webkit-text-stroke:1px var(--line-bright);line-height:1;display:block;margin-bottom:24px;
  transition:color .5s,-webkit-text-stroke-color .5s;
}
.step:hover .no{color:var(--brass);-webkit-text-stroke-color:transparent}
.step h3{font-size:1.18rem;font-weight:460;margin-bottom:9px}
.step p{font-size:.9rem;color:var(--muted);line-height:1.62}
.step .phase{
  font-family:var(--mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--faint);display:block;margin-bottom:10px;
}

/* ============================================================
   SOLUTIONS TABS
   ============================================================ */
.sol-shell{display:grid;grid-template-columns:minmax(225px,280px) 1fr;gap:clamp(24px,3vw,52px);align-items:start}
.sol-tabs{display:flex;flex-direction:column;border-top:1px solid var(--line);position:sticky;top:110px}
.sol-tab{
  display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;
  text-align:left;padding:19px 4px;border-bottom:1px solid var(--line);
  color:var(--muted);transition:color .3s,padding-left .35s var(--ease);position:relative;
}
.sol-tab .t-idx{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;color:var(--faint);transition:color .3s}
.sol-tab .t-name{font-size:.98rem;letter-spacing:.01em}
.sol-tab .t-dot{width:5px;height:5px;border-radius:50%;background:transparent;transition:background .3s}
.sol-tab:hover{color:var(--text);padding-left:8px}
.sol-tab[aria-selected="true"]{color:var(--text);padding-left:8px}
.sol-tab[aria-selected="true"] .t-idx{color:var(--brass)}
.sol-tab[aria-selected="true"] .t-dot{background:var(--brass)}
.sol-tab::before{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--brass-line);
  transition:width .5s var(--ease);
}
.sol-tab[aria-selected="true"]::before{width:100%}

.sol-panel{border:1px solid var(--line);background:var(--ink-2);padding:clamp(30px,4vw,56px)}
.sol-panel[hidden]{display:none}
.sol-panel.show{animation:panel-in .55s var(--ease-out) both}
@keyframes panel-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.sol-panel .mono-label{display:block;margin-bottom:18px;color:var(--brass)}
.sol-panel h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:14px}
.sol-panel .sol-sum{color:var(--muted);font-size:1.02rem;line-height:1.7;max-width:58ch}
.sol-facets{margin-top:38px;display:grid;gap:0;border-top:1px solid var(--line)}
.sol-facet{display:grid;grid-template-columns:minmax(120px,180px) 1fr;gap:clamp(14px,2.5vw,36px);padding:22px 0;border-bottom:1px solid var(--line)}
.sol-facet dt{
  font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);padding-top:4px;
}
.sol-facet dd{font-size:.94rem;color:var(--muted);line-height:1.68}
.sol-facet dd b{color:var(--text);font-weight:500}
.sol-panel .sol-cta{margin-top:34px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}

/* ============================================================
   FLOW DIAGRAMS (Business OS workflow examples)
   ============================================================ */
.flow{
  border:1px solid var(--line);background:var(--ink-2);padding:clamp(24px,3vw,40px);
  position:relative;overflow:hidden;
}
.flow .flow-name{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--faint);margin-bottom:26px;display:flex;align-items:center;gap:10px;
}
.flow .flow-name i{width:5px;height:5px;border-radius:50%;background:var(--brass);font-style:normal}
.flow-track{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;row-gap:18px}
.flow-node{
  flex:1 1 0;min-width:128px;position:relative;
  border:1px solid var(--line-bright);background:var(--panel);
  padding:14px 16px;border-radius:2px;
}
.flow-node b{display:block;font-weight:500;color:var(--text);font-size:.86rem;letter-spacing:.01em}
.flow-node span{display:block;font-size:.72rem;color:var(--faint);margin-top:3px;line-height:1.5}
.flow-node.human{border-style:dashed;border-color:var(--brass-line)}
.flow-node.human b{color:var(--brass)}
.flow-join{
  flex:0 0 clamp(20px,3vw,44px);position:relative;align-self:center;height:1px;
  background:var(--line-bright);
}
.flow-join::after{
  content:"";position:absolute;right:-1px;top:-3px;width:7px;height:7px;
  border-top:1px solid var(--line-bright);border-right:1px solid var(--line-bright);
  transform:rotate(45deg);
}
.flow-join i{
  position:absolute;top:-1.5px;left:0;width:10px;height:4px;border-radius:2px;
  background:var(--brass);opacity:0;font-style:normal;
}
.flow:hover .flow-join i,.flow.in-view .flow-join i{animation:join-run 2.6s var(--ease) infinite;opacity:1}
.flow-track .flow-join:nth-of-type(4) i{animation-delay:.42s}
.flow-track .flow-join:nth-of-type(6) i{animation-delay:.84s}
.flow-track .flow-join:nth-of-type(8) i{animation-delay:1.26s}
@keyframes join-run{0%{left:-10%;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:100%;opacity:0}}

.flow-stack{display:grid;gap:22px}

/* ============================================================
   FOUNDER / NOTE
   ============================================================ */
.note-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(36px,6vw,96px);align-items:start}
.note-body p{font-size:clamp(1rem,1.35vw,1.14rem);line-height:1.85;color:var(--muted);margin-bottom:1.5em}
.note-body p:first-of-type{color:var(--text)}
.note-body p:last-of-type{margin-bottom:0}
.note-sign{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.note-sign .sign-row{display:flex;gap:clamp(28px,6vw,72px);flex-wrap:wrap}
.note-sign .name{font-family:var(--serif);font-style:italic;font-size:1.45rem;color:var(--text)}
.note-sign .role{font-family:var(--mono);font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--faint);margin-top:8px}

.standard-list{border-top:1px solid var(--line)}
.standard-item{padding:26px 0;border-bottom:1px solid var(--line)}
.standard-item h3{font-size:1.14rem;font-weight:460;margin-bottom:8px;display:flex;gap:14px;align-items:baseline}
.standard-item h3 i{font-family:var(--mono);font-style:normal;font-size:.64rem;letter-spacing:.16em;color:var(--brass)}
.standard-item p{font-size:.92rem;color:var(--muted);line-height:1.66}

/* founder monogram plate — art-directed, no stock photo */
.founder-plate{
  position:relative;border:1px solid var(--line);background:var(--ink-2);
  aspect-ratio:4/4.6;display:grid;place-items:center;overflow:hidden;
}
.founder-plate .fp-grid{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 50%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 80% at 50% 50%,#000 20%,transparent 78%);
}
.founder-plate .fp-mark{position:relative;text-align:center;padding:24px}
.founder-plate .fp-mark .tkm{
  font-family:var(--serif);font-weight:460;font-size:clamp(4.4rem,9vw,7rem);line-height:1;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.founder-plate .fp-mark small{
  display:block;margin-top:18px;font-family:var(--mono);font-size:.62rem;
  letter-spacing:.34em;text-transform:uppercase;color:var(--faint);
}
.founder-plate .fp-ring{position:absolute;inset:0;margin:auto;width:74%;aspect-ratio:1;pointer-events:none}

/* ============================================================
   FAQ (details/summary)
   ============================================================ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:baseline;gap:24px;
  padding:26px 4px;font-family:var(--serif);font-size:clamp(1.1rem,1.8vw,1.35rem);font-weight:450;color:var(--text);
  transition:padding-left .35s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{padding-left:10px}
.faq summary .fx{
  position:relative;flex-shrink:0;width:14px;height:14px;top:2px;
}
.faq summary .fx::before,.faq summary .fx::after{
  content:"";position:absolute;background:var(--muted);transition:transform .35s var(--ease);
}
.faq summary .fx::before{left:0;top:6.5px;width:14px;height:1px}
.faq summary .fx::after{left:6.5px;top:0;width:1px;height:14px}
.faq details[open] summary .fx::after{transform:scaleY(0)}
.faq .faq-a{padding:0 4px 28px;max-width:64ch}
.faq .faq-a p{font-size:.95rem;color:var(--muted);line-height:1.72}
.faq .faq-a p + p{margin-top:12px}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{text-align:center;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(ellipse 56% 72% at 50% 56%,rgba(236,232,223,.05),transparent 70%);
}
.cta-band h2{max-width:19ch;margin-inline:auto}
.cta-band .lede{margin:26px auto 42px;max-width:50ch}
.cta-band .cta-note{margin-top:22px;font-size:.85rem;color:var(--faint)}

/* ============================================================
   FOOTER
   ============================================================ */
footer{
  position:relative;z-index:3;border-top:1px solid var(--line);
  background:var(--ink-2);padding:80px var(--gutter) 40px;
}
.foot-inner{max-width:var(--maxw);margin-inline:auto}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;margin-bottom:64px}
.foot-brand .tk{font-family:var(--serif);font-weight:500;font-size:1.7rem;color:var(--text)}
.foot-brand p{color:var(--faint);font-size:.88rem;max-width:30ch;margin-top:16px;line-height:1.65}
.foot-col h3{
  font-family:var(--mono);font-size:.64rem;font-weight:500;letter-spacing:.24em;
  text-transform:uppercase;color:var(--faint);margin-bottom:20px;
}
.foot-col a{display:block;color:var(--muted);font-size:.9rem;margin-bottom:12px;transition:color .3s,transform .3s var(--ease)}
.foot-col a:hover{color:var(--text);transform:translateX(3px)}
.foot-bot{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  padding-top:30px;border-top:1px solid var(--line);
  font-size:.78rem;color:var(--faint);
}
.foot-bot .sig-line{display:inline-flex;align-items:center;gap:9px}
.foot-bot .sig-line i{width:5px;height:5px;border-radius:50%;background:var(--brass)}

/* ============================================================
   SWEEP FIELD (component shell — driven by js/components/sweep-field.js)
   ============================================================ */
.sweep-field{
  position:relative;border:1px solid var(--line);background:var(--ink-2);
  overflow:hidden;
}
.sweep-field .sf-grid{
  position:absolute;inset:0;opacity:.55;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 92% 86% at 50% 50%,#000 30%,transparent 82%);
  mask-image:radial-gradient(ellipse 92% 86% at 50% 50%,#000 30%,transparent 82%);
}
.sweep-field svg{width:100%;height:auto;display:block;position:relative;z-index:2}
.sweep-field .sf-cap{
  position:absolute;bottom:16px;left:20px;z-index:3;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--faint);
}
.sweep-field .sf-legend{
  position:absolute;top:16px;right:20px;z-index:3;display:flex;gap:18px;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);
}
.sweep-field .sf-legend span{display:inline-flex;align-items:center;gap:7px}
.sweep-field .sf-legend i{width:6px;height:6px;border-radius:50%}
@media(max-width:640px){
  .sweep-field .sf-legend{display:none}
  /* pannable schematic: keep the map legible instead of shrinking it */
  .sweep-field{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .sweep-field svg{min-width:720px}
  .sweep-field .sf-cap{position:static;display:block;padding:2px 20px 14px}
}

/* sweep-field svg internals */
.sweep-field .sf-route{stroke:var(--line-bright);stroke-width:1;fill:none}
.sweep-field .sf-route.alt{stroke-dasharray:3 6;stroke:rgba(199,154,75,.28)}
.sweep-field .sf-trail{stroke:rgba(236,232,223,.55);stroke-width:1.4;stroke-linecap:round}
.sweep-field .sf-head-glow{fill:rgba(199,154,75,.22)}
.sweep-field .sf-head-core{fill:var(--brass)}
.sweep-field .sf-station circle.pt{fill:var(--ink);stroke:var(--line-bright);stroke-width:1;transition:stroke .5s,fill .5s}
.sweep-field .sf-station circle.halo{fill:none;stroke:transparent;stroke-width:1;transition:stroke .5s}
.sweep-field .sf-station text{
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;fill:var(--faint);
  text-transform:uppercase;transition:fill .5s;
}
.sweep-field .sf-station .st-sub{font-size:8.5px;letter-spacing:.12em;fill:rgba(111,107,96,.75)}
.sweep-field .sf-station.lit circle.pt{stroke:var(--brass);fill:#161409}
.sweep-field .sf-station.lit circle.halo{stroke:var(--brass-line)}
.sweep-field .sf-station.lit text{fill:var(--text)}
.sweep-field .sf-station.lit .st-sub{fill:var(--muted)}
.sweep-field .sf-station.human circle.pt{stroke-dasharray:2 3}
.sweep-field.static .sf-trail,.sweep-field.static .sf-head{display:none}
.sweep-field.static .sf-route{stroke:rgba(236,232,223,.3)}

/* ============================================================
   CONTACT PANEL
   ============================================================ */
.contact-shell{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:clamp(32px,5vw,80px);align-items:start}
.contact-panel{
  position:sticky;top:110px;border:1px solid var(--line);background:var(--ink-2);
  padding:clamp(28px,3vw,42px);
}
.contact-panel .mono-label{display:block;margin-bottom:20px;color:var(--brass)}
.contact-panel h2{font-size:1.6rem;margin-bottom:12px}
.contact-panel>p{font-size:.92rem;color:var(--muted);line-height:1.7}
.contact-panel .btn{width:100%;justify-content:center;margin-top:28px}
.contact-rows{margin-top:28px;border-top:1px solid var(--line)}
.contact-rows a{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:16px 2px;border-bottom:1px solid var(--line);
  transition:padding-left .3s var(--ease);
}
.contact-rows a:hover{padding-left:8px}
.contact-rows a b{font-weight:500;color:var(--text);font-size:.92rem}
.contact-rows a span{
  font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);
}
.contact-panel .quiet{margin-top:22px;font-size:.8rem;color:var(--faint);line-height:1.6}
@media(max-width:1020px){
  .contact-shell{grid-template-columns:1fr}
  .contact-panel{position:static}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1020px){
  .nav-links{display:none}
  .nav .nav-cta{display:none}
  .burger{display:flex}
  .sol-shell{grid-template-columns:1fr}
  .sol-tabs{
    position:static;flex-direction:row;overflow-x:auto;border-top:none;border-bottom:1px solid var(--line);
    gap:4px;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-bottom:8px;
  }
  .sol-tabs::-webkit-scrollbar{display:none}
  .sol-tab{grid-template-columns:auto auto;border-bottom:none;padding:14px 16px;white-space:nowrap;flex-shrink:0}
  .sol-tab .t-dot{display:none}
  .sol-tab::before{bottom:0}
  .steps{grid-template-columns:1fr 1fr}
  .note-shell{grid-template-columns:1fr}
  .founder-plate{max-width:440px}
  .foot-top{grid-template-columns:1fr 1fr;gap:38px}
}
@media(max-width:640px){
  :root{--section:clamp(72px,10vh,104px)}
  .hero{padding-top:140px;padding-bottom:64px;min-height:auto}
  .hero.hero-full{min-height:92svh}
  .page-head{padding-top:150px;padding-bottom:56px}
  .hero-ctas .btn{width:100%;justify-content:center}
  .hero-meta{gap:20px}
  .hero-meta div{max-width:none;flex:1 1 100%}
  .ledger-row{grid-template-columns:48px 1fr;row-gap:6px}
  .ledger-row p{grid-column:2}
  .steps{grid-template-columns:1fr}
  .sol-facet{grid-template-columns:1fr;gap:8px}
  .sol-facet dt{padding-top:0}
  .foot-top{grid-template-columns:1fr;gap:34px;margin-bottom:44px}
  .foot-bot{justify-content:center;text-align:center}
  .flow-track{flex-direction:column}
  .flow-node{min-width:0}
  .flow-join{flex-basis:24px;align-self:flex-start;margin-left:22px;width:1px;height:24px;background:var(--line-bright)}
  .flow-join::after{right:-3px;top:auto;bottom:-1px;transform:rotate(135deg)}
  .flow-join i{display:none}
}

/* ============================================================
   HERO 3D LAYERS — ghost type behind, Signal Core in front
   ============================================================ */
.hero-ghost{
  position:absolute;right:-4vw;bottom:-10vh;z-index:2;pointer-events:none;user-select:none;
  font-family:var(--serif);font-style:italic;font-weight:460;line-height:.72;
  font-size:clamp(16rem,36vw,42rem);
  color:transparent;-webkit-text-stroke:1px rgba(236,232,223,.05);
}
.hero-core{
  position:absolute;inset:0;z-index:3;pointer-events:none;
  transition:opacity .2s linear;will-change:opacity;
}
.hero-core canvas{position:absolute;inset:0;width:100%;height:100%}
@media(max-width:640px){
  .hero-ghost{font-size:15rem;right:-14vw;bottom:-6vh;-webkit-text-stroke-color:rgba(236,232,223,.04)}
}

/* ============================================================
   SOLUTIONS 3D STAGE — one adaptive System Artifact
   ============================================================ */
.sol-main{
  display:grid;grid-template-columns:minmax(0,1fr) clamp(240px,21vw,300px);
  gap:clamp(18px,2.2vw,30px);align-items:start;
}
.sol-main .sol-panel{padding:clamp(26px,3vw,42px)}
.sol-main .sol-facet{grid-template-columns:1fr;gap:8px;padding:18px 0}
.sol-main .sol-facet dt{padding-top:0}
.sol-main > .sol-panels{grid-column:1;grid-row:1;min-width:0}
.sol-stage{
  grid-column:2;grid-row:1;
  position:sticky;top:104px;
  border:1px solid var(--line);background:var(--ink-2);
  aspect-ratio:4/4.7;overflow:hidden;
}
.sol-stage::before{ /* instrument-panel inner frame */
  content:"";position:absolute;inset:10px;z-index:2;pointer-events:none;
  border:1px solid var(--line);
}
.sol-stage::after{ /* corner index mark */
  content:"";position:absolute;top:16px;right:16px;z-index:2;width:9px;height:9px;pointer-events:none;
  background:
    linear-gradient(var(--line-bright),var(--line-bright)) center/9px 1px no-repeat,
    linear-gradient(var(--line-bright),var(--line-bright)) center/1px 9px no-repeat;
}
.sol-stage canvas{position:absolute;inset:0;z-index:1}
.stage-fallback{
  position:absolute;inset:0;z-index:0;display:grid;place-items:center;padding:28px;
}
.stage-fallback svg{width:100%;max-width:300px;height:auto}
.sol-stage.gl-on .stage-fallback{display:none}
.stage-label{
  position:absolute;left:18px;bottom:15px;z-index:3;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);display:flex;gap:9px;align-items:center;max-width:calc(100% - 36px);
}
.stage-label i{width:5px;height:5px;border-radius:50%;background:var(--brass);flex-shrink:0}
@media(max-width:1020px){
  .sol-main{grid-template-columns:1fr}
  .sol-main > .sol-panels{grid-column:auto;grid-row:auto}
  .sol-stage{
    grid-column:auto;grid-row:auto;order:-1;position:relative;top:auto;
    aspect-ratio:16/10;max-height:320px;width:100%;margin-bottom:4px;
  }
}


/* ============================================================
   FOUNDERS PORTRAITS
   ============================================================ */
.founders-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,3vw,40px);max-width:920px}
.founder-card{margin:0;border:1px solid var(--line);background:var(--ink-2);overflow:hidden}
.fc-media{position:relative;aspect-ratio:4/5;overflow:hidden;border-bottom:1px solid var(--line)}
.fc-media img{
  position:absolute;inset:0;z-index:2;width:100%;height:100%;
  object-fit:cover;object-position:50% 28%;
  filter:sepia(.1) saturate(.9) contrast(1.03) brightness(.95);
  transition:transform .8s var(--ease);
}
.founder-card:hover .fc-media img{transform:scale(1.025)}
.fc-placeholder{
  position:absolute;inset:0;z-index:1;display:grid;place-items:center;text-align:center;
  background:
    radial-gradient(60% 50% at 50% 100%,rgba(199,154,75,.08),transparent 65%),
    linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:100% 100%,40px 40px,40px 40px;
}
.fc-placeholder span{
  display:block;font-family:var(--serif);font-style:italic;font-weight:460;font-size:clamp(3.4rem,7vw,5rem);line-height:1;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.fc-placeholder small{
  display:block;margin-top:14px;font-family:var(--mono);font-size:.6rem;
  letter-spacing:.3em;text-transform:uppercase;color:var(--faint);
}
.founder-card figcaption{padding:20px 22px 24px}
.founder-card figcaption b{display:block;font-family:var(--serif);font-weight:500;font-size:1.35rem;color:var(--text);letter-spacing:0}
.founder-card .fc-role{
  display:block;margin:7px 0 12px;font-family:var(--mono);font-size:.6rem;
  letter-spacing:.26em;text-transform:uppercase;color:var(--brass);
}
.founder-card figcaption p{font-size:.9rem;color:var(--muted);line-height:1.62}
@media(max-width:640px){.founders-grid{grid-template-columns:1fr;max-width:440px}}

/* ============================================================
   MAGNETIC BUTTONS (js adds .magnetic on fine pointers)
   ============================================================ */
.magnetic{will-change:transform;transition:transform .35s var(--ease),box-shadow .4s var(--ease),border-color .35s,background .35s,gap .35s var(--ease)}

/* softer veil for interior page headers */
.hero-veil.soft{background:linear-gradient(180deg,rgba(11,11,9,.25),rgba(11,11,9,.04) 42%,rgba(11,11,9,.6) 90%,var(--ink))}
.page-head .hero-canvas{opacity:.8}

/* ============================================================
   ART PLATES — original image compositions, palette-native
   ============================================================ */
.art-plate{
  position:relative;overflow:hidden;border-block:1px solid var(--line);
  height:clamp(250px,38vw,440px);margin:0;
}
.art-plate svg{position:absolute;inset:0;width:100%;height:100%}
.art-plate .plate-cap{
  position:absolute;bottom:18px;left:clamp(20px,5.5vw,88px);z-index:4;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;color:var(--faint);
  display:flex;align-items:center;gap:10px;
}
.art-plate .plate-cap i{width:5px;height:5px;border-radius:50%;background:var(--brass);font-style:normal;flex-shrink:0}
/* merge into the page: ink fades top/bottom + side vignette */
.art-plate::after{
  content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:
    linear-gradient(180deg,var(--ink),transparent 24%,transparent 74%,var(--ink)),
    linear-gradient(90deg,rgba(11,11,9,.55),transparent 18%,transparent 82%,rgba(11,11,9,.55));
}

/* photographic plates — graded to the palette */
.photo-plate img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:sepia(.08) saturate(.85) contrast(1.05) brightness(.9);
}
.photo-plate .grade{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:rgba(199,154,75,.12);mix-blend-mode:soft-light;
}

/* plate three — the route (how it works) */
.plate-route{
  background:
    radial-gradient(46% 64% at 84% 8%,rgba(236,232,223,.05),transparent 60%),
    radial-gradient(50% 70% at 12% 96%,rgba(199,154,75,.09),transparent 62%),
    linear-gradient(180deg,#0b0b09,#11100c 62%,#0c0b08);
}
/* ============================================================
   CHAT CONCIERGE
   ============================================================ */
.chat-fab{
  position:fixed;bottom:24px;right:24px;z-index:120;width:58px;height:58px;border-radius:50%;
  background:var(--metal);display:grid;place-items:center;cursor:pointer;
  box-shadow:0 14px 38px -10px rgba(0,0,0,.75),0 0 0 1px rgba(236,232,223,.12);
  transition:transform .4s var(--ease),box-shadow .4s;
}
.chat-fab:hover{transform:translateY(-3px);box-shadow:0 20px 46px -12px rgba(0,0,0,.8),0 0 0 1px rgba(236,232,223,.2)}
.chat-fab svg{width:22px;height:22px;color:var(--ink);transition:transform .35s var(--ease)}
.chat-fab[aria-expanded="true"] svg{transform:rotate(90deg) scale(.92)}
.chat-fab .pulse{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(199,154,75,.45);animation:fab-pulse 3s var(--ease) infinite;pointer-events:none}
@keyframes fab-pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.55);opacity:0}}

.chat-panel{
  position:fixed;bottom:96px;right:24px;z-index:121;width:min(380px,calc(100vw - 32px));
  will-change:transform,opacity;
  background:rgba(14,13,11,.9);
  -webkit-backdrop-filter:blur(24px) saturate(140%);backdrop-filter:blur(24px) saturate(140%);
  border:1px solid var(--line-bright);border-radius:4px;overflow:hidden;
  box-shadow:0 40px 90px -22px rgba(0,0,0,.85);
  opacity:0;transform:translateY(18px) scale(.97);transform-origin:bottom right;pointer-events:none;
  transition:opacity .4s var(--ease),transform .5s var(--ease-out);
}
.chat-panel.open{opacity:1;transform:none;pointer-events:auto}
.chat-head{
  padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:13px;
  background:linear-gradient(180deg,rgba(236,232,223,.04),transparent);
}
.chat-head .orb{
  width:38px;height:38px;border-radius:50%;background:var(--metal);display:grid;place-items:center;
  font-family:var(--serif);font-weight:600;color:var(--ink);font-size:.95rem;flex-shrink:0;
}
.chat-head .ct{font-family:var(--sans);font-weight:500;font-size:.98rem;color:var(--text);letter-spacing:.01em}
.chat-head small{display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-top:3px}
.chat-body{padding:20px;height:300px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.chat-body::-webkit-scrollbar{width:5px}
.chat-body::-webkit-scrollbar-thumb{background:var(--line-bright);border-radius:4px}
.chat-bubble{
  max-width:88%;padding:12px 15px;border-radius:10px;font-size:.88rem;line-height:1.6;
  animation:bubble-in .4s var(--ease-out) both;
}
.chat-bubble.bot{align-self:flex-start;background:rgba(236,232,223,.06);border:1px solid var(--line);color:var(--muted);border-bottom-left-radius:3px}
.chat-bubble.bot b{color:var(--text);font-weight:500}
.chat-bubble.user{align-self:flex-end;background:var(--metal);color:var(--ink);font-weight:500;border-bottom-right-radius:3px}
@keyframes bubble-in{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
.chat-chip{
  display:inline-flex;align-items:center;gap:8px;margin-top:10px;
  font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brass);border-bottom:1px solid var(--brass-line);padding-bottom:2px;
}
.chat-chip:hover{color:var(--text);border-color:var(--text)}
.chat-typing{align-self:flex-start;display:flex;gap:5px;padding:14px 16px;background:rgba(236,232,223,.06);border:1px solid var(--line);border-radius:10px;border-bottom-left-radius:3px;animation:bubble-in .3s var(--ease-out) both}
.chat-typing i{width:6px;height:6px;border-radius:50%;background:var(--faint);animation:blink 1.2s infinite}
.chat-typing i:nth-child(2){animation-delay:.16s}
.chat-typing i:nth-child(3){animation-delay:.32s}
@keyframes blink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.chat-opts{padding:14px 20px 18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.chat-opt{
  text-align:left;background:rgba(236,232,223,.03);border:1px solid var(--line);color:var(--text);
  padding:11px 14px;border-radius:3px;font-size:.84rem;cursor:pointer;
  display:flex;align-items:center;gap:10px;
  transition:background .3s,border-color .3s,padding-left .3s var(--ease);
}
.chat-opt:hover{background:rgba(236,232,223,.07);border-color:var(--line-bright);padding-left:18px}
.chat-opt i{font-style:normal;color:var(--brass);font-family:var(--mono);font-size:.7rem}
@media(max-width:480px){
  .chat-panel{bottom:88px;right:16px}
  .chat-fab{bottom:18px;right:16px;width:54px;height:54px}
  .chat-body{height:min(300px,42svh)}
}

/* ============================================================
   LEAD CAPTURE POPUP
   ============================================================ */
.lead-overlay{
  position:fixed;inset:0;z-index:150;background:rgba(7,7,6,.72);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:grid;place-items:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .4s var(--ease);
}
.lead-overlay.open{opacity:1;pointer-events:auto}
.lead-modal{
  position:relative;width:min(480px,100%);background:var(--ink-2);
  border:1px solid var(--line-bright);border-radius:4px;overflow:hidden;
  padding:clamp(30px,5vw,44px);
  box-shadow:0 50px 120px -30px rgba(0,0,0,.9);
  transform:translateY(20px) scale(.98);transition:transform .5s var(--ease-out);
}
.lead-overlay.open .lead-modal{transform:none}
.lead-modal::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brass),transparent);
}
.lead-close{
  position:absolute;top:14px;right:14px;width:36px;height:36px;display:grid;place-items:center;
  color:var(--faint);transition:color .3s,transform .3s var(--ease);
}
.lead-close:hover{color:var(--text);transform:rotate(90deg)}
.lead-close svg{width:16px;height:16px}
.lead-modal .mono-label{display:block;color:var(--brass);margin-bottom:16px}
.lead-modal h2{font-size:clamp(1.5rem,4vw,1.9rem);line-height:1.15;margin-bottom:12px}
.lead-modal .lead-sub{font-size:.9rem;color:var(--muted);line-height:1.65;margin-bottom:26px}
.lead-field{margin-bottom:14px}
.lead-field label{
  display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--faint);margin-bottom:7px;
}
.lead-field input{
  width:100%;background:rgba(236,232,223,.03);border:1px solid var(--line-bright);
  color:var(--text);font-family:var(--sans);font-size:.95rem;padding:13px 15px;border-radius:2px;
  transition:border-color .3s,background .3s;
}
.lead-field input::placeholder{color:var(--faint)}
.lead-field input:focus{outline:none;border-color:var(--muted);background:rgba(236,232,223,.05)}
.lead-modal .btn{width:100%;justify-content:center;margin-top:8px}
.lead-quiet{margin-top:16px;font-size:.76rem;color:var(--faint);text-align:center;line-height:1.6}
.lead-quiet a{color:var(--muted);border-bottom:1px solid var(--line-bright)}
.lead-quiet a:hover{color:var(--text)}
.lead-success{text-align:center;padding:18px 0 8px}
.lead-success .ok-ring{
  width:52px;height:52px;margin:0 auto 20px;border-radius:50%;border:1px solid var(--brass-line);
  display:grid;place-items:center;
}
.lead-success .ok-ring svg{width:22px;height:22px;color:var(--brass)}
.lead-success h2{margin-bottom:10px}
.lead-success p{font-size:.9rem;color:var(--muted);line-height:1.65}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  ::view-transition-old(root),::view-transition-new(root){animation:none!important}
  .rv,.stage{opacity:1!important;transform:none!important}
  .hero-canvas{display:none}
  .signal-rule::after{display:none}
}

/* ============================================================
   ULTRA-NARROW GUARD (<=380px) — no clipping, no overflow
   ============================================================ */
@media(max-width:380px){
  .display-xl{font-size:clamp(2.35rem,12.5vw,2.9rem)}
  .display-lg{font-size:clamp(1.9rem,10.5vw,2.3rem)}
  .brand .word{display:none}
  .hero-ghost{font-size:11rem;right:-18vw}
  .chat-panel{right:12px;bottom:88px}
  .chat-fab{right:12px;bottom:14px}
}