/* Imperial Exchange — shared system for supporting pages (insights, articles, progress).
   index.html keeps its own self-contained <style>; this mirrors those tokens. */
:root{
  --bronze:#2E2118; --bronze-deep:#241A12; --brass:#B08A57;
  --ink:#0F0C08; --paper:#FAF7F1; --sand:#F1E9DC; --mute:#6A6157;
  --brass-ink:#77592C; /* AA-contrast olive for small text on light bands */
  --line:rgba(15,12,8,.14); --line-light:rgba(250,247,241,.20);
  --display:'Fraunces','Times New Roman',serif;
  --body:'Hanken Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--body);color:var(--ink);background:var(--paper);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;font-feature-settings:"kern","liga","clig"}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:1.06;letter-spacing:-.02em}
.ac{font-style:italic;font-weight:400;color:var(--brass)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,56px)}
.band{padding:clamp(56px,8vw,104px) 0;position:relative}
.band.sand{background:var(--sand)} .band.paper{background:var(--paper)}
.band.bronze{background:var(--bronze);color:var(--paper)}
.band.dark{background:var(--bronze-deep);color:var(--paper)}
.mute{color:var(--mute)} .band.bronze .mute,.band.dark .mute{color:rgba(250,247,241,.72)}
.eyebrow{font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;
  color:var(--brass-ink);display:inline-flex;align-items:center;gap:.6em;margin-bottom:18px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brass);flex:0 0 auto}
.band.bronze .eyebrow,.band.dark .eyebrow{color:#D9BE8F}
h1{font-size:clamp(34px,5.4vw,64px)} h2{font-size:clamp(28px,4vw,46px)} h3{font-size:clamp(19px,2.2vw,24px)}
.lead{font-size:clamp(18px,2vw,21px);max-width:60ch}
.band p{max-width:68ch} p+p{margin-top:16px}
.hr{height:1px;background:var(--line);border:0;margin:clamp(32px,5vw,52px) 0}
.band.bronze .hr,.band.dark .hr{background:var(--line-light)}

.btn{display:inline-flex;align-items:center;gap:.6em;padding:15px 28px;border-radius:2px;font-weight:600;
  font-size:15px;cursor:pointer;border:1px solid transparent;transition:.25s;font-family:var(--body)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--bronze);color:var(--paper)} .btn-primary:hover{background:var(--bronze-deep)}
.btn-line{border-color:var(--ink);color:var(--ink)} .btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-on-dark{background:var(--paper);color:var(--bronze)} .btn-on-dark:hover{background:var(--brass);color:var(--bronze-deep)}
.btn-line-dark{border-color:rgba(250,247,241,.45);color:var(--paper)} .btn-line-dark:hover{border-color:var(--brass);color:var(--brass)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.burger:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brass-ink);outline-offset:3px;border-radius:2px}
.band.bronze a:focus-visible,.band.dark a:focus-visible,.pagehero a:focus-visible,.card:focus-visible,.btn-on-dark:focus-visible,.btn-line-dark:focus-visible{outline-color:#fff}

/* nav (mirrors index) */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:.3s;padding:18px 0}
.nav.scrolled,.nav.solid{background:rgba(250,247,241,.94);backdrop-filter:saturate(140%) blur(10px);box-shadow:0 1px 0 var(--line);padding:12px 0}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,56px);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-family:var(--display);font-weight:600;font-size:21px;letter-spacing:-.01em;color:var(--ink);display:inline-flex;align-items:baseline;gap:1px}
.brand .dot{color:var(--brass)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink);transition:.2s}
.nav-links a:hover{color:var(--brass)}
.nav-cta{display:inline-flex;align-items:center;gap:18px}
.nav-phone{font-size:14.5px;font-weight:600;color:var(--bronze)}
.nav .btn{padding:11px 20px;font-size:14px}
.burger{display:none;background:none;border:0;cursor:pointer;width:30px;height:22px;position:relative}
.burger span{position:absolute;left:0;right:0;height:2px;background:var(--ink);transition:.3s}
.burger span:nth-child(1){top:0}.burger span:nth-child(2){top:10px}.burger span:nth-child(3){top:20px}

/* page hero (compact, not full-bleed video) */
.pagehero{position:relative;color:var(--paper);overflow:hidden;padding:clamp(150px,20vh,210px) 0 clamp(54px,8vw,88px)}
.pagehero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.pagehero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(30,21,14,.55),rgba(30,21,14,.85))}
.pagehero .wrap{position:relative;z-index:2}
.pagehero .eyebrow{color:#E9D9B7}
.crumb{font-size:13.5px;color:rgba(250,247,241,.72);margin-bottom:22px}
.crumb a:hover{color:var(--brass)} .crumb span{opacity:.5;margin:0 8px}

/* insights card grid */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,28px);margin-top:8px}
.card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:420px;
  overflow:hidden;color:var(--paper);background:var(--bronze-deep);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -22px rgba(46,33,24,.5)}
.card .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.9;transition:transform .5s}
.card:hover .bg{transform:scale(1.05)}
.card::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(30,21,14,.15) 0%,rgba(30,21,14,.5) 55%,rgba(30,21,14,.92) 100%)}
.card .c-in{position:relative;z-index:2;padding:28px}
.card .cat{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--brass)}
.card h3{margin:12px 0 10px;color:var(--paper);font-size:23px}
.card p{font-size:14.5px;color:rgba(250,247,241,.84);max-width:none}
.card .more{margin-top:16px;font-size:13.5px;font-weight:600;color:var(--brass)}

/* article */
.article{max-width:760px;margin:0 auto;padding:clamp(48px,7vw,84px) clamp(20px,5vw,40px)}
.article .cat{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--brass-ink)}
.article h1{margin:14px 0 18px}
.article .dek{font-size:clamp(19px,2.2vw,23px);color:var(--mute);line-height:1.5;font-family:var(--display);font-weight:400}
.article .meta{font-size:13.5px;color:var(--mute);margin-top:20px;border-top:1px solid var(--line);padding-top:18px}
figure{margin:0} .figwrap{margin:clamp(28px,4vw,40px) 0}
.figwrap img{width:100%;aspect-ratio:16/9;object-fit:cover}
figcaption{font-size:12.5px;color:var(--mute);margin-top:10px;line-height:1.5}
.prose{font-size:17.5px;line-height:1.75}
.prose h2{font-size:clamp(24px,3vw,32px);margin:clamp(34px,5vw,48px) 0 14px}
.prose h3{margin:28px 0 10px}
.prose p{margin:0 0 18px;max-width:none}
.prose ul{margin:0 0 18px;padding-left:0;list-style:none}
.prose li{position:relative;padding-left:24px;margin-bottom:12px}
.prose li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brass)}
.prose a{color:var(--bronze);text-decoration:underline;text-underline-offset:3px}
.callout{background:var(--sand);border-left:3px solid var(--brass);padding:clamp(24px,3vw,32px);margin:clamp(34px,5vw,48px) 0}
.callout .ct{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--bronze);margin-bottom:12px}
.callout p{margin:0;max-width:none}
.endcta{border-top:1px solid var(--line);margin-top:48px;padding-top:32px}

/* progress timeline */
.timeline{margin-top:8px;border-left:2px solid var(--line-light);padding-left:clamp(24px,4vw,40px)}
.milestone{position:relative;padding:0 0 clamp(34px,5vw,46px)}
.milestone:last-child{padding-bottom:0}
.milestone::before{content:"";position:absolute;left:calc(-1*clamp(24px,4vw,40px) - 8px);top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bronze-deep);border:2px solid var(--brass)}
.milestone.done::before{background:var(--brass)}
.milestone .status{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--brass)}
.milestone.upcoming .status{color:rgba(250,247,241,.75)}
.milestone h3{margin:8px 0 8px;color:var(--paper)}
.milestone p{color:rgba(250,247,241,.8);max-width:62ch}

/* footer */
footer{background:var(--ink);color:rgba(250,247,241,.72);padding:60px 0 46px;font-size:14px;line-height:1.6}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;align-items:flex-end;border-bottom:1px solid rgba(250,247,241,.14);padding-bottom:30px;margin-bottom:28px}
.foot-brand{font-family:var(--display);font-size:24px;color:var(--paper);font-weight:600}
.foot-brand .dot{color:var(--brass)}
.foot-credit{font-size:13.5px;color:rgba(250,247,241,.8);margin-top:8px} .foot-credit .mono{font-family:var(--display);color:var(--paper);font-weight:600}
.foot-contact{display:flex;flex-wrap:wrap;gap:24px} .foot-contact a:hover{color:var(--brass)}
.disclaimer{font-size:12.5px;color:rgba(250,247,241,.5);line-height:1.6;max-width:none}
.foot-links{margin-top:22px;display:flex;gap:20px;flex-wrap:wrap;font-size:13px}
.foot-links a{color:rgba(250,247,241,.7)} .foot-links a:hover{color:var(--brass)}
.foot-logo{height:34px;width:auto;margin-bottom:10px;opacity:.95;display:block}

/* reveal-on-scroll (structural, FOUC-safe; matches the home page) */
.reveal-on .band .wrap>*,.reveal-on .cards>*{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal-on .band .wrap>*.in,.reveal-on .cards>*.in{opacity:1;transform:none}

@media(max-width:880px){
  .brand{font-size:18px;white-space:nowrap}
  .nav .btn{padding:10px 16px}
  .nav-links,.nav-phone{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--paper);
    padding:18px clamp(20px,5vw,56px) 26px;gap:6px;box-shadow:0 12px 30px rgba(30,21,14,.16)}
  .nav-links.open a{padding:10px 0;border-bottom:1px solid var(--line);width:100%}
  .burger{display:block}
  .cards{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){ .cards{grid-template-columns:1fr} }

/* Imperial Exchange core logo (brand pack 2026-07-15): nav + footer lockups */
.brand img{display:block;height:22px;width:auto}
.foot-brand img{display:block;height:28px;width:auto}