/* =====================================================
   MSIIA SIGNALS EXCHANGE — /signals-exchange
   Companion stylesheet.  All rules scoped under
   `body[data-page="signals-exchange"]` so tokens do not
   leak into the rest of the site.
   ===================================================== */

/* ── Design tokens (scoped) ─────────────────────────── */
body[data-page="signals-exchange"]{
  --black:           #050506;
  --obsidian:        #070708;
  --deep:            #0b0b0d;
  --surface:         #111115;
  --surface-2:       #17171c;

  --gold:            #c8a96e;
  --gold-bright:     #e5cb8c;
  --gold-warm:       #D4B05E;
  --gold-muted:      #8a7444;
  --gold-border:           rgba(200,169,110,0.22);
  --gold-border-strong:    rgba(200,169,110,0.42);
  --gold-border-soft:      rgba(212,176,94,0.14);
  --gold-ghost:            rgba(200,169,110,0.08);

  --text:            #ede7db;
  --text-warm:       #F5F1E8;
  --text-subtle:     #b4aa99;
  --text-muted:      #817765;
  --text-faint:      #5a5144;

  --green:           #76d89a;
  --red:             #e57373;
  --amber:           #d4b05e;

  --font-display:    'Bebas Neue','Cormorant Garamond',serif;
  --font-serif:      'Cormorant Garamond',Georgia,serif;
  --font-body:       'Cormorant Garamond',Georgia,serif;
  --font-mono:       'DM Mono','Courier New',monospace;

  --ease:            cubic-bezier(0.22,1,0.36,1);
  --glass-bg:        rgba(15,18,23,0.72);
  --glass-bg-soft:   rgba(15,18,23,0.5);
  --shadow-panel:    0 24px 60px rgba(0,0,0,0.55), 0 2px 10px rgba(0,0,0,0.4);

  background:
    radial-gradient(circle at 82% -6%, rgba(200,169,110,0.09), transparent 36%),
    radial-gradient(circle at -10% 92%, rgba(200,169,110,0.05), transparent 30%),
    var(--obsidian);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
body[data-page="signals-exchange"]::before{
  content:'';
  position:fixed; inset:0;
  background-image:
    linear-gradient(to right,  rgba(200,169,110,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200,169,110,0.045) 1px, transparent 1px);
  background-size:140px 140px;
  pointer-events:none;
  z-index:0;
  mask-image: radial-gradient(circle at 50% 24%, #000, transparent 82%);
  -webkit-mask-image: radial-gradient(circle at 50% 24%, #000, transparent 82%);
}
body[data-page="signals-exchange"] ::selection{ background: rgba(200,169,110,0.28); }

/* Scroll-progress bar (fixed at top) */
.sx-progress{
  position:fixed; top:0; left:0;
  height:2px; width:0%;
  z-index:100; pointer-events:none;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  box-shadow: 0 0 8px rgba(200,169,110,0.45);
  transition: width 60ms linear;
}

/* Utility */
body[data-page="signals-exchange"] .sr-only{
  position:absolute !important;
  width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ── Keyframes ───────────────────────────────────────── */
@keyframes sxPulse   { 0%,100%{opacity:1} 50%{opacity:.3} }
@keyframes sxSpin    { from{transform:rotate(0)} to{transform:rotate(360deg)} }
@keyframes sxUp      { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:none} }
@keyframes sxDash    { to{stroke-dashoffset:-100} }
@keyframes sxHalo    { from{transform:scale(0.25);opacity:0.8} to{transform:scale(1.9);opacity:0} }
@keyframes sxPacket  { 0%{transform:translateX(0);opacity:0} 12%{opacity:1} 82%{opacity:1} 100%{transform:translateX(84px);opacity:0} }
@keyframes sxBob     { 0%,100%{transform:translateX(-50%) rotateX(-58deg) translateY(0)} 50%{transform:translateX(-50%) rotateX(-58deg) translateY(-7px)} }
@keyframes sxCube    { from{transform:rotateX(0) rotateY(0)} to{transform:rotateX(360deg) rotateY(360deg)} }
@keyframes sxRingSpin{ from{transform:rotateX(62deg) rotateZ(0)} to{transform:rotateX(62deg) rotateZ(360deg)} }
@keyframes sxDrift   { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-16px)} }
@keyframes sxInRa    { from{opacity:0;transform:translateX(24px)} to{opacity:1;transform:none} }
@keyframes sxInRb    { from{opacity:0;transform:translateX(24px)} to{opacity:1;transform:none} }
@keyframes sxInLa    { from{opacity:0;transform:translateX(-24px)} to{opacity:1;transform:none} }
@keyframes sxInLb    { from{opacity:0;transform:translateX(-24px)} to{opacity:1;transform:none} }
@keyframes sxSweep   { from{transform:translateX(-100%)} to{transform:translateX(350%)} }
@keyframes sxSpinY   { from{transform:rotateX(12deg) rotateY(0)} to{transform:rotateX(12deg) rotateY(360deg)} }
@keyframes sxBarGrow { from{transform:scaleY(0.55)} to{transform:scaleY(1)} }

body.sx-paused *,
body.sx-paused *::before,
body.sx-paused *::after{ animation-play-state: paused !important; }

@media (prefers-reduced-motion: reduce){
  body[data-page="signals-exchange"] *,
  body[data-page="signals-exchange"] *::before,
  body[data-page="signals-exchange"] *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Reveal-on-scroll */
body[data-page="signals-exchange"].sx-js .sx-reveal{
  opacity:0; transform: translateY(14px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
body[data-page="signals-exchange"].sx-js .sx-reveal.sx-in{
  opacity:1; transform: none;
}

/* ── Section shells ─────────────────────────────────── */
body[data-page="signals-exchange"] .sx-main{ position:relative; z-index:1; }
body[data-page="signals-exchange"] .sx-wrap{
  max-width:1320px; margin:0 auto; padding: 0 32px; box-sizing:border-box;
}

/* Skip link */
.sx-skip{
  position:absolute; left:-9999px; top:0;
  background: var(--gold); color:#050506;
  padding: 10px 16px;
  font-family: var(--font-mono); font-size: 11px; z-index:200;
  text-decoration:none;
}
.sx-skip:focus{ left:12px; top:12px; }

/* ── Hero ───────────────────────────────────────────── */
.sx-hero-section{ position:relative; overflow:hidden; }
.sx-hero-bg{
  position:absolute; inset:0; pointer-events:none; overflow:hidden;
}
.sx-hero-bg .sx-blob{ position:absolute; border-radius:50%; }
.sx-hero-veil{
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(7,7,8,0.97) 26%, rgba(7,7,8,0.6) 55%, rgba(7,7,8,0.22));
}
.sx-hero{
  position:relative; max-width:1320px; margin:0 auto;
  padding: clamp(70px, 8vw, 110px) 32px clamp(56px, 6vw, 84px);
  display:grid; grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(36px, 5vw, 72px);
  align-items:center;
}
.sx-hero-eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono); font-size:10.5px;
  letter-spacing:0.28em; text-transform:uppercase;
  color: var(--gold); margin: 0 0 22px;
  animation: sxUp .5s var(--ease) both;
}
.sx-hero-eyebrow-dot{
  width:6px; height:6px; border-radius:50%; background: var(--gold);
  box-shadow: 0 0 10px rgba(200,169,110,0.7);
  animation: sxPulse 2.6s ease-in-out infinite;
}
.sx-hero-h1{
  margin:0;
  font-family: var(--font-display); font-size: clamp(3rem, 6.4vw, 6.2rem);
  line-height:0.94; letter-spacing:0.03em; text-transform:uppercase;
  color: var(--text-warm);
  animation: sxUp .55s var(--ease) .06s both;
}
.sx-hero-h1 em{
  font-family: var(--font-serif); font-style:italic;
  color: var(--gold); text-transform:none; letter-spacing:0;
}
.sx-hero-lede{
  font-family: var(--font-serif); font-style:italic;
  font-size: 1.16rem; line-height:1.7;
  color: var(--text-subtle); max-width:56ch;
  margin: 22px 0 30px;
  animation: sxUp .55s var(--ease) .12s both;
}
.sx-hero-cta-row{
  display:flex; gap:16px; flex-wrap:wrap;
  animation: sxUp .55s var(--ease) .18s both;
}
.sx-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:48px; padding:0 28px;
  font-family: var(--font-mono); font-size:10.5px;
  letter-spacing:0.22em; text-transform:uppercase;
  text-decoration:none; border-radius:2px;
  transition: all 220ms var(--ease);
  cursor:pointer;
}
.sx-btn-primary{
  background: var(--gold); color:#050506;
  border:1px solid var(--gold);
}
.sx-btn-primary:hover,
.sx-btn-primary:focus-visible{
  background: var(--gold-bright); border-color: var(--gold-bright);
  transform: translateY(-2px);
}
.sx-btn-outline{
  background: transparent; color: var(--text);
  border: 1px solid var(--gold-border-strong);
}
.sx-btn-outline:hover,
.sx-btn-outline:focus-visible{
  color: var(--gold-bright); background: var(--gold-ghost);
  transform: translateY(-2px);
}
.sx-hero-assurances{
  display:flex; gap:22px; flex-wrap:wrap; margin-top:34px;
  animation: sxUp .55s var(--ease) .24s both;
}
.sx-hero-assurance{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.18em; text-transform:uppercase; color: var(--text-muted);
}
.sx-hero-assurance-dot{
  width:4px; height:4px; background: var(--gold); border-radius:50%;
}

/* Hero visualizer card */
.sx-hero-viz-wrap{ animation: sxUp .6s var(--ease) .28s both; }
.sx-hero-viz{
  position:relative;
  background: var(--glass-bg-soft);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid rgba(212,176,94,0.28);
  border-radius: 12px;
  padding: 20px;
  box-shadow:
    0 6px 30px rgba(0,0,0,0.55),
    0 0 60px rgba(200,169,110,0.07),
    inset 0 1px 0 rgba(255,255,255,0.06);
  overflow:hidden;
}
.sx-hero-viz::before{
  content:''; position:absolute; inset:0; border-radius:12px;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 4px);
  pointer-events:none;
}
.sx-hero-viz-head{
  display:flex; justify-content:space-between; align-items:center;
  position:relative;
  border-bottom: 1px solid var(--gold-border-soft);
  padding-bottom:12px;
}
.sx-hero-viz-tag{
  display:inline-flex; align-items:center; gap:9px;
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.24em; text-transform:uppercase; color: var(--text-subtle);
}
.sx-hero-viz-tag::before{
  content:''; width:6px; height:6px; border-radius:50%;
  background: var(--gold); box-shadow: 0 0 8px rgba(200,169,110,0.7);
}
.sx-hero-viz-map-id{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-faint);
}
.sx-hero-viz-stage{
  position:relative; height:404px; perspective:950px; margin-top:14px;
}
.sx-hero-viz-caption{
  margin:12px 0 0;
  border-top: 1px solid var(--gold-border-soft);
  padding-top: 12px;
  font-family: var(--font-mono); font-size:8px;
  letter-spacing:0.18em; text-transform:uppercase;
  color: var(--text-muted);
  line-height:2; text-align:center;
}
.sx-hero-viz-foot{
  display:flex; justify-content:space-between; align-items:center;
  border-top: 1px solid var(--gold-border-soft);
  margin-top:12px; padding-top:12px;
}
.sx-hero-viz-foot-status{
  display:inline-flex; align-items:center; gap:9px;
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-subtle);
}
.sx-hero-viz-foot-status::before{
  content:''; width:6px; height:6px; border-radius:50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
  animation: sxPulse 2.4s ease-in-out infinite;
}
.sx-hero-viz-foot-mandates{
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.18em; text-transform:uppercase; color: var(--text-faint);
}

/* ── Status strip ───────────────────────────────────── */
.sx-status-section{
  border-top: 1px solid var(--gold-border-soft);
  border-bottom: 1px solid var(--gold-border-soft);
  background: rgba(15,18,23,0.5);
}
.sx-status-strip{
  max-width:1320px; margin:0 auto;
  padding:18px 32px;
  display:flex; gap: clamp(20px, 3.4vw, 52px);
  align-items:center;
  overflow-x:auto; scrollbar-width:none;
}
.sx-status-strip::-webkit-scrollbar{ display:none; }
.sx-status-cell{ flex-shrink:0; }
.sx-status-k{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.22em; text-transform:uppercase;
  color: var(--text-muted); margin-bottom:6px;
}
.sx-status-v{
  font-family: var(--font-mono); font-size:12px; color: var(--text-warm);
}
.sx-status-v-ok{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:12px; color: var(--text-warm);
}
.sx-status-v-ok::before{
  content:''; width:6px; height:6px; border-radius:50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
  animation: sxPulse 2.4s ease-in-out infinite;
}
.sx-status-sep{
  width:1px; height:30px;
  background: var(--gold-border-soft); flex-shrink:0;
}
.sx-status-note{
  flex-shrink:0;
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.18em; text-transform:uppercase; color: var(--text-faint);
}

/* ── Market context ─────────────────────────────────── */
.sx-context-section{ position:relative; }
.sx-context{
  max-width:1320px; margin:0 auto;
  padding: clamp(56px, 6vw, 84px) 32px 0;
  display:grid; grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(28px, 4vw, 64px);
  align-items:start;
}
.sx-section-kicker{
  font-family: var(--font-mono); font-size:10px;
  letter-spacing:0.28em; text-transform:uppercase;
  color: var(--gold); margin: 0 0 14px;
}
.sx-section-h2{
  margin:0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 0.96; letter-spacing: 0.03em;
  text-transform: uppercase; color: var(--text-warm);
}
.sx-section-h2 em{
  font-family: var(--font-serif); font-style:italic;
  color: var(--gold); text-transform:none;
}
.sx-context-copy{
  margin:0; font-family: var(--font-serif); font-style:italic;
  font-size:1.02rem; line-height:1.65; color: var(--text-subtle);
  max-width: 44ch;
}
.sx-context-cards{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px,100%), 1fr));
  gap: 16px;
}
.sx-context-card{
  background: var(--surface);
  border: 1px solid rgba(200,169,110,0.14);
  border-radius: 2px;
  padding: 20px;
  display:flex; flex-direction:column; gap:10px;
}
.sx-context-num{
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.24em; text-transform:uppercase; color: var(--gold);
}
.sx-context-desc{
  font-family: var(--font-serif); font-style:italic;
  font-size:0.96rem; line-height:1.55; color: var(--text-subtle);
}

/* ── Exchange controls ──────────────────────────────── */
.sx-exchange-section{ position:relative; }
.sx-exchange{
  max-width:1320px; margin:0 auto;
  padding: clamp(56px, 6vw, 84px) 32px 0;
}
.sx-exchange-header{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; flex-wrap:wrap; margin-bottom:28px;
}
.sx-exchange-h2{
  margin:0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.8rem);
  line-height:0.94; letter-spacing:0.03em;
  text-transform:uppercase; color: var(--text-warm);
}
.sx-exchange-h2 em{
  font-family: var(--font-serif); font-style:italic;
  color: var(--gold); text-transform:none;
}
.sx-exchange-sub{
  margin:14px 0 0;
  font-family: var(--font-serif); font-style:italic;
  font-size:1.02rem; line-height:1.6;
  color: var(--text-subtle); max-width:56ch;
}
.sx-result-count{
  font-family: var(--font-mono); font-size:10px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-muted);
}

.sx-control{
  background: rgba(15,18,23,0.7);
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  padding: 16px;
  display:flex; flex-direction:column; gap:14px;
}
.sx-control-row{ display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.sx-search-wrap{ flex:1; min-width:240px; position:relative; }
.sx-search-wrap > svg{
  position:absolute; left:14px; top:50%; transform:translateY(-50%);
}
.sx-search{
  width:100%; box-sizing:border-box;
  min-height:46px; padding: 0 48px 0 40px;
  background: rgba(5,7,11,0.7);
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-mono); font-size:11.5px; letter-spacing:0.06em;
  outline: none;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.sx-search:focus{
  border-color: var(--gold-border-strong);
  box-shadow: 0 0 0 1px rgba(200,169,110,0.25);
}
.sx-search::placeholder{ color: var(--text-muted); }
.sx-search-slash{
  position:absolute; right:12px; top:50%; transform:translateY(-50%);
  font-family: var(--font-mono); font-size:9px;
  color: var(--text-faint);
  border: 1px solid rgba(200,169,110,0.16);
  border-radius: 2px; padding: 3px 8px;
  pointer-events:none;
}
.sx-search-clear{
  position:absolute; right:6px; top:50%; transform:translateY(-50%);
  background:none; border:none; cursor:pointer;
  color: var(--text-muted); font-size:15px; padding:8px 10px; line-height:1;
}
.sx-search-clear:hover{ color: var(--gold-bright); }

.sx-pill{
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.16em; text-transform:uppercase;
  padding: 9px 13px; min-height:36px;
  border-radius:2px; cursor:pointer; white-space:nowrap;
  background: transparent; color: var(--text-subtle);
  border: 1px solid var(--gold-border);
  transition: all 220ms var(--ease);
}
.sx-pill:hover{
  color: var(--gold-bright); border-color: var(--gold-border-strong);
}
.sx-pill.is-on{
  background: var(--gold); color: #050506; border-color: var(--gold);
}
.sx-pill-row{ display:flex; gap:6px; flex-wrap:wrap; }

.sx-view-toggle{
  display:flex; border:1px solid var(--gold-border); border-radius:2px; overflow:hidden;
}
.sx-view-btn{
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.16em; text-transform:uppercase;
  padding: 0 16px; min-height:44px;
  border:none; cursor:pointer;
  background: transparent; color: var(--text-subtle);
  transition: all 220ms var(--ease);
}
.sx-view-btn:hover{ color: var(--gold-bright); }
.sx-view-btn.is-on{ background: var(--gold); color: #050506; }

.sx-cat-row{
  display:flex; gap:6px; flex-wrap:wrap;
  border-top: 1px solid rgba(200,169,110,0.1);
  padding-top:14px;
}

.sx-refine-toggle{
  align-self:flex-start;
  display:inline-flex; align-items:center; gap:9px;
  background:none; border: 1px solid var(--gold-border);
  border-radius:2px; padding: 11px 16px; cursor:pointer;
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-subtle);
  white-space:nowrap;
  transition: all 220ms var(--ease);
}
.sx-refine-toggle:hover{
  color: var(--gold-bright); border-color: var(--gold-border-strong);
}
.sx-refine-panel{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px,100%), 1fr));
  gap:18px;
  border-top: 1px solid rgba(200,169,110,0.1);
  padding-top:16px;
}
.sx-refine-group-label{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.22em; text-transform:uppercase;
  color: var(--text-muted); margin-bottom:9px;
}

/* Chips */
.sx-chips-wrap{
  display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin-top:14px;
}
.sx-chip{
  display:inline-flex; align-items:center; gap:8px;
  background: var(--gold-ghost);
  border: 1px solid var(--gold-border);
  border-radius:2px; padding:8px 12px; cursor:pointer;
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.16em; text-transform:uppercase; color: var(--gold);
  transition: border-color 220ms var(--ease);
}
.sx-chip:hover{ border-color: var(--gold-border-strong); }
.sx-chip > span[aria-hidden="true"]{ color: var(--text-muted); }
.sx-chip-clear-all{
  background:none; border:none; cursor:pointer;
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.16em; text-transform:uppercase; color: var(--text-muted);
  padding:8px 6px; text-decoration:underline;
}
.sx-chip-clear-all:hover{ color: var(--gold-bright); }

/* ── Card grid ──────────────────────────────────────── */
.sx-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(min(330px,100%), 1fr));
  gap:20px; margin-top:24px;
  min-height:480px; align-content:start;
}
.sx-card{
  position:relative; display:flex; flex-direction:column;
  background: var(--surface);
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  padding: 22px 22px 18px;
  overflow:hidden;
  box-shadow: 0 6px 30px rgba(0,0,0,0.45);
  transition: all 220ms var(--ease);
}
.sx-card:hover{
  transform: translateY(-6px);
  border-color: var(--gold-border-strong);
  box-shadow:
    0 10px 34px rgba(198,161,91,0.12),
    0 2px 10px rgba(0,0,0,0.6);
}
.sx-card.is-covered{ opacity:0.82; }
.sx-card-num{
  position:absolute; top:-10px; right:4px;
  font-family: var(--font-display); font-size:88px; line-height:1;
  color: rgba(200,169,110,0.06); pointer-events:none;
}
.sx-card-head{
  display:flex; justify-content:space-between; align-items:center;
  gap:10px; margin-bottom:14px;
}
.sx-card-class{
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.22em; text-transform:uppercase; color: var(--gold);
}
.sx-card-head-right{ display:inline-flex; align-items:center; gap:8px; }
.sx-lock{ color: var(--text-muted); }
.sx-status-badge{
  display:inline-flex; align-items:center; gap:7px;
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.18em; text-transform:uppercase; white-space:nowrap;
  border:1px solid; border-radius:2px;
  padding: 4px 9px;
  background: rgba(0,0,0,0.3);
}
.sx-status-dot{
  width:5px; height:5px; border-radius:50%;
  box-shadow: 0 0 7px currentColor;
}
.sx-access-label{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.16em; text-transform:uppercase; color: var(--text-muted);
  white-space:nowrap;
  border:1px solid rgba(200,169,110,0.14);
  border-radius:2px;
  padding: 4px 9px;
}
.sx-card-title{
  margin:0 0 8px;
  font-family: var(--font-serif); font-size:1.32rem; font-weight:600;
  line-height:1.25; color: var(--text-warm);
}
.sx-card-desc{
  margin: 0 0 14px;
  font-family: var(--font-serif); font-style:italic;
  font-size:0.98rem; line-height:1.55; color: var(--text-subtle);
}
.sx-card-viz{ height:68px; margin-bottom:14px; }
.sx-meta{
  display:grid; grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  border-top: 1px solid rgba(200,169,110,0.1);
  padding-top: 14px;
}
.sx-meta-k{
  font-family: var(--font-mono); font-size:8px;
  letter-spacing:0.2em; text-transform:uppercase;
  color: var(--text-muted); margin-bottom:3px;
}
.sx-meta-v{
  font-family: var(--font-mono); font-size:10.5px; color: var(--text);
}
.sx-tag-row{ display:flex; gap:6px; flex-wrap:wrap; margin: 14px 0 16px; }
.sx-tag-row-spacer{ height:16px; }
.sx-tag{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.14em; text-transform:uppercase; color: var(--text-muted);
  border: 1px solid rgba(200,169,110,0.14);
  border-radius:2px; padding:4px 8px;
}
.sx-card-foot{
  margin-top:auto;
  display:flex; justify-content:space-between; align-items:center;
  gap:12px;
  border-top: 1px solid rgba(200,169,110,0.1);
  padding-top:14px; flex-wrap:wrap;
}
.sx-schedule-block{ display:flex; flex-direction:column; gap:4px; }
.sx-schedule{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.16em; text-transform:uppercase; color: var(--text-faint);
}
.sx-profile-id{
  font-family: var(--font-mono); font-size:8px;
  letter-spacing:0.16em; text-transform:uppercase; color: var(--text-muted);
}
.sx-cta-ext{
  display:inline-flex; align-items:center; gap:8px;
  min-height:44px;
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.2em; text-transform:uppercase;
  color: var(--gold); text-decoration:none;
  padding: 10px 0;
  transition: all 220ms var(--ease);
}
.sx-cta-ext:hover,
.sx-cta-ext:focus-visible{ color: var(--gold-bright); gap:12px; }
.sx-cta-pending{
  display:inline-flex; align-items:center; gap:8px;
  min-height:44px;
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.18em; text-transform:uppercase; color: var(--text-muted);
  padding: 10px 0;
}

/* Coming-soon cover overlay */
.sx-cover{
  position:absolute; inset:0; z-index:5;
  background: linear-gradient(180deg, rgba(7,7,8,0.6), rgba(7,7,8,0.86));
  backdrop-filter: blur(9px); -webkit-backdrop-filter: blur(9px);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 14px; text-align:center; padding:28px;
}
.sx-cover-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:50%;
  border: 1px solid rgba(212,176,94,0.4);
  background: rgba(5,7,11,0.7);
  box-shadow: 0 0 22px rgba(200,169,110,0.18);
}
.sx-cover-pill{
  font-family: var(--font-mono); font-size:10px;
  letter-spacing:0.26em; text-transform:uppercase; color: var(--gold);
  border: 1px solid rgba(200,169,110,0.35);
  border-radius:2px; padding:7px 14px;
  background: rgba(5,7,11,0.6);
}
.sx-cover-note{
  font-family: var(--font-serif); font-style:italic;
  font-size:0.95rem; line-height:1.55; color: var(--text-subtle);
  max-width: 30ch;
}

/* ── Terminal view ──────────────────────────────────── */
.sx-term-wrap{
  margin-top:24px;
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  overflow-x:auto; overflow-y:hidden;
  background: rgba(10,11,14,0.75);
}
.sx-term{ min-width:1040px; }
.sx-term-headrow,
.sx-term-row{
  display:grid;
  grid-template-columns: 2.3fr 1.2fr 1.2fr 1.1fr 1.15fr 1fr 1.1fr 0.9fr;
  gap:14px; padding:14px 18px;
  align-items:center;
}
.sx-term-headrow{
  padding:13px 18px;
  border-bottom:1px solid var(--gold-border);
  position:sticky; top:0; background: rgba(10,11,14,0.95);
}
.sx-term-th{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.22em; text-transform:uppercase; color: var(--text-muted);
}
.sx-term-row{
  border-bottom: 1px solid rgba(200,169,110,0.08);
  transition: background 220ms;
}
.sx-term-row:hover{ background: var(--gold-ghost); }
.sx-term-cell{ font-family: var(--font-mono); font-size:10px; }
.sx-term-cell-t{ color: var(--text-subtle); }
.sx-term-title{
  display:block; font-family: var(--font-serif);
  font-size:1.02rem; font-weight:600; color: var(--text-warm);
}
.sx-term-meta{
  font-family: var(--font-mono); font-size:8px;
  letter-spacing:0.18em; text-transform:uppercase; color: var(--text-faint);
}
.sx-term-view{
  display:inline-flex; align-items:center; gap:7px;
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.16em; text-transform:uppercase;
  color: var(--gold); text-decoration:none;
  padding: 8px 0;
}
.sx-term-view:hover,
.sx-term-view:focus-visible{ color: var(--gold-bright); }
.sx-term-pending{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.14em; text-transform:uppercase; color: var(--text-muted);
}

/* ── Pagination ─────────────────────────────────────── */
.sx-pagination{
  margin-top:28px;
  background: rgba(10,11,14,0.72);
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  padding: 16px 22px;
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.sx-page-sweep{
  position:absolute; top:0; left:0;
  height:1px; width:40%; pointer-events:none;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  animation: sxSweep .7s ease-out both;
}
.sx-page-range{
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.16em; text-transform:uppercase; color: var(--text-muted);
}
.sx-page-btns{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.sx-page-btn,
.sx-page-nav{
  min-width:44px; min-height:44px;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 0 16px;
  font-family: var(--font-mono); font-size:10.5px;
  letter-spacing:0.08em;
  border-radius:2px; cursor:pointer;
  background: transparent; color: var(--text-subtle);
  border: 1px solid var(--gold-border);
  transition: all 220ms var(--ease);
}
.sx-page-btn:hover:not(:disabled),
.sx-page-nav:hover:not(:disabled){
  color: var(--gold-bright); border-color: var(--gold-border-strong);
}
.sx-page-btn.is-current{
  background: var(--gold); color:#050506; border-color: var(--gold);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
  cursor:default;
}
.sx-page-btn:disabled,
.sx-page-nav:disabled,
.sx-page-btn[aria-disabled="true"],
.sx-page-nav[aria-disabled="true"]{
  opacity:0.55; cursor:not-allowed;
  border-color: rgba(200,169,110,0.1); color: var(--text-faint);
}
.sx-page-ellipsis{
  display:inline-flex; align-items:center; justify-content:center;
  min-width:44px; min-height:44px;
  font-family: var(--font-mono); font-size:11px; color: var(--text-faint);
}
.sx-page-nav{
  font-size:9.5px; letter-spacing:0.18em; text-transform:uppercase;
  color: var(--text);
}
.sx-page-indicator{
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-faint);
}

/* Empty state */
.sx-empty{
  margin-top:24px;
  border:1px dashed var(--gold-border);
  border-radius: 2px;
  padding: 64px 32px; text-align:center;
}
.sx-empty-title{
  margin: 0 0 8px;
  font-family: var(--font-serif); font-size:1.3rem; color: var(--text-warm);
}
.sx-empty-sub{
  margin: 0 0 22px;
  font-family: var(--font-serif); font-style:italic;
  font-size:1rem; color: var(--text-subtle);
}
.sx-empty-reset{
  display:inline-flex; align-items:center;
  min-height:44px; padding: 0 24px;
  background:none; border: 1px solid var(--gold-border-strong);
  border-radius:2px; cursor:pointer;
  font-family: var(--font-mono); font-size:10px;
  letter-spacing:0.22em; text-transform:uppercase; color: var(--text);
  transition: all 220ms var(--ease);
}
.sx-empty-reset:hover,
.sx-empty-reset:focus-visible{
  color: var(--gold-bright); background: var(--gold-ghost);
}

/* ── Classification framework ───────────────────────── */
.sx-class-section{ position:relative; }
.sx-class-wrap{
  max-width:1320px; margin:0 auto;
  padding: clamp(56px,6vw,84px) 32px 0;
}
.sx-class-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px,100%), 1fr));
  gap:16px;
}
.sx-class-card{
  text-align:left; background: var(--surface);
  border: 1px solid rgba(200,169,110,0.14);
  border-radius: 2px;
  padding: 18px 20px; cursor:pointer;
  transition: all 220ms var(--ease);
  display:flex; flex-direction:column; gap:9px; min-height:44px;
  color:inherit; font:inherit;
}
.sx-class-card:hover,
.sx-class-card:focus-visible{
  transform: translateY(-4px);
  border-color: var(--gold-border-strong);
  box-shadow:
    0 10px 34px rgba(198,161,91,0.1),
    0 2px 10px rgba(0,0,0,0.5);
}
.sx-class-icon{ color: var(--gold); display:inline-flex; }
.sx-class-name{
  font-family: var(--font-mono); font-size:10px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-warm);
}
.sx-class-desc{
  font-family: var(--font-serif); font-style:italic;
  font-size:0.92rem; line-height:1.5; color: var(--text-subtle);
}
.sx-class-count{
  font-family: var(--font-mono); font-size:8.5px;
  letter-spacing:0.18em; text-transform:uppercase; color: var(--text-faint);
  margin-top:auto;
}

/* ── Access process ─────────────────────────────────── */
.sx-process-section{ position:relative; }
.sx-process-wrap{
  max-width:1320px; margin:0 auto;
  padding: clamp(72px, 8vw, 110px) 32px 0;
}
.sx-process-card{
  border: 1px solid var(--gold-border);
  border-radius: 12px;
  background: var(--glass-bg-soft);
  padding: clamp(28px, 4vw, 52px);
  position:relative; overflow:hidden;
  box-shadow: 0 6px 30px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.04);
}
.sx-process-h2{
  margin: 0 0 36px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  line-height:0.94; letter-spacing:0.03em;
  text-transform:uppercase; color: var(--text-warm);
}
.sx-process-h2 em{
  font-family: var(--font-serif); font-style:italic;
  color: var(--gold); text-transform:none;
}
.sx-process-grid{
  display:grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap:22px;
}
.sx-process-step{
  border-top: 1px solid var(--gold-border);
  padding-top:18px; position:relative;
}
.sx-process-step::before{
  content:''; position:absolute; top:-4px; left:0;
  width:7px; height:7px; border-radius:50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(200,169,110,0.7);
}
.sx-process-step-4::before{
  background: var(--gold-bright);
  box-shadow: 0 0 12px rgba(229,203,140,0.8);
}
.sx-process-num{
  font-family: var(--font-display); font-size:1.9rem;
  color: var(--gold); letter-spacing:0.04em;
  margin-bottom:10px;
}
.sx-process-desc{
  margin:0;
  font-family: var(--font-serif); font-style:italic;
  font-size:1rem; line-height:1.6; color: var(--text-subtle);
}
.sx-process-foot{
  margin: 32px 0 0;
  font-family: var(--font-mono); font-size:9.5px;
  letter-spacing:0.14em; text-transform:uppercase;
  color: var(--text-faint); line-height:1.9;
}

/* ── Interpretation notice ──────────────────────────── */
.sx-notice-section{ position:relative; }
.sx-notice-wrap{
  max-width:1320px; margin:0 auto;
  padding: clamp(56px, 6vw, 84px) 32px 0;
}
.sx-notice{
  display:grid; grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(28px, 4vw, 64px);
  border: 1px solid rgba(200,169,110,0.14);
  border-radius: 2px; background: var(--surface);
  padding: clamp(28px, 4vw, 48px);
}
.sx-notice-links{
  display:flex; gap:14px; flex-wrap:wrap; margin-top:22px;
}
.sx-notice-links a{
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.18em; text-transform:uppercase;
  color: var(--gold); text-decoration:none;
  border-bottom: 1px solid var(--gold-border);
  padding-bottom:3px;
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}
.sx-notice-links a:hover,
.sx-notice-links a:focus-visible{
  color: var(--gold-bright); border-color: var(--gold-border-strong);
}
.sx-notice-list{
  margin:0; padding:0; list-style:none;
  display:flex; flex-direction:column; gap:12px;
}
.sx-notice-list li{
  display:flex; gap:12px;
  font-family: var(--font-serif); font-style:italic;
  font-size:1rem; line-height:1.6; color: var(--text-subtle);
}
.sx-notice-list li::before{
  content:'·'; color: var(--gold); font-size:1.4em; line-height:1;
}

/* ── Final CTA ──────────────────────────────────────── */
.sx-final-section{
  position:relative; overflow:hidden;
  margin-top: clamp(56px, 6vw, 84px);
  border-top: 1px solid var(--gold-border-soft);
}
.sx-final-bg{
  position:absolute; inset:0; pointer-events:none; overflow:hidden;
}
.sx-final-glow{
  position:absolute; left:50%; bottom:-52%;
  transform: translateX(-50%);
  width:1100px; height:1100px; border-radius:50%;
  background: radial-gradient(circle, rgba(200,169,110,0.12), transparent 62%);
}
.sx-final{
  position:relative;
  max-width:1320px; margin:0 auto;
  padding: clamp(90px,10vw,140px) 32px;
  text-align:center;
}
.sx-final-kicker{
  display:inline-flex; align-items:center; gap:12px;
  font-family: var(--font-mono); font-size:10px;
  letter-spacing:0.28em; text-transform:uppercase; color: var(--gold);
  margin: 0 0 26px;
}
.sx-final-kicker::before,
.sx-final-kicker::after{
  content:''; width:26px; height:1px;
  background: var(--gold-border-strong);
}
.sx-final-h2{
  margin: 0 auto; max-width: 24ch;
  font-family: var(--font-serif); font-weight:500;
  font-size: clamp(2.4rem, 4.6vw, 4.2rem);
  line-height:1.08; letter-spacing:0.04em;
  text-transform:uppercase; color: var(--text-warm);
}
.sx-final-h2 em{
  font-style:italic; color: var(--gold);
  text-transform:lowercase; letter-spacing:0.01em;
}
.sx-final-copy{
  margin: 26px auto 36px;
  max-width: 58ch;
  font-family: var(--font-serif); font-style:italic;
  font-size:1.12rem; line-height:1.7; color: var(--text-subtle);
}
.sx-final-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.sx-final-note{
  margin: 44px 0 0;
  font-family: var(--font-mono); font-size:9px;
  letter-spacing:0.2em; text-transform:uppercase; color: var(--text-faint);
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1020px){
  .sx-hero{ grid-template-columns: 1fr; }
  .sx-context{ grid-template-columns: 1fr; }
  .sx-notice{ grid-template-columns: 1fr; }
  .sx-process-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  body[data-page="signals-exchange"] .sx-wrap,
  .sx-hero,
  .sx-context,
  .sx-exchange,
  .sx-class-wrap,
  .sx-process-wrap,
  .sx-notice-wrap,
  .sx-final{ padding-left:20px; padding-right:20px; }
  .sx-status-strip{ padding-left:20px; padding-right:20px; }
  .sx-process-grid{ grid-template-columns: 1fr; }
  .sx-hero-viz-stage{ height: 320px; }
  .sx-final-kicker::before,
  .sx-final-kicker::after{ width:16px; }
}
/* Mobile-only viz-card footer: hidden on desktop; grid on ≤767px */
body[data-page="signals-exchange"] .sx-hero-viz-mfoot{ display:none; }

@media (max-width: 480px){
  .sx-grid{ grid-template-columns: 1fr; }
  .sx-card-head{
    flex-wrap: wrap;
  }
  .sx-card-head-right{ flex-wrap: wrap; }
}

/* ================================================================
   MOBILE HERO REBUILD — /signals-exchange
   Scope: 0–767 px only. Desktop layout above 767 px unchanged.
   Reorders hero into a single column so the Exchange Infrastructure
   card sits directly under the hero description, above both CTAs
   and the four benefit bullets. Everything scoped under
   body[data-page="signals-exchange"] so nothing else on the site
   is affected.
   ================================================================ */
@media (max-width: 767px){

  /* ── Hero shell: single-column flex, no gutter override ── */
  body[data-page="signals-exchange"] .sx-hero{
    display: flex;
    flex-direction: column;
    grid-template-columns: initial;
    gap: 0;
    align-items: stretch;
    max-width: 100%;
    padding: 56px 20px 40px;
    box-sizing: border-box;
  }

  /* Promote inner text wrapper into the flex context so we can
     order its children alongside the infrastructure card. */
  body[data-page="signals-exchange"] .sx-hero > div:first-child{ display: contents; }

  /* Final mobile order: eyebrow → h1 → lede → viz card → CTA1 → CTA2 → benefits */
  body[data-page="signals-exchange"] .sx-hero .sx-hero-eyebrow    { order: 1; }
  body[data-page="signals-exchange"] .sx-hero .sx-hero-h1         { order: 2; }
  body[data-page="signals-exchange"] .sx-hero .sx-hero-lede       { order: 3; }
  body[data-page="signals-exchange"] .sx-hero .sx-hero-viz-wrap   { order: 4; }
  body[data-page="signals-exchange"] .sx-hero .sx-hero-cta-row    { order: 5; }
  body[data-page="signals-exchange"] .sx-hero .sx-hero-assurances { order: 6; }

  /* ── Eyebrow ── */
  body[data-page="signals-exchange"] .sx-hero-eyebrow{
    display: inline-flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    line-height: 1.55;
    letter-spacing: 0.30em;
    max-width: 330px;
    margin: 0 0 24px;
    color: var(--gold);
  }
  body[data-page="signals-exchange"] .sx-hero-eyebrow-dot{
    margin-top: 7px;
    flex-shrink: 0;
  }

  /* ── Headline ── */
  body[data-page="signals-exchange"] .sx-hero-h1{
    font-size: clamp(42px, 12.5vw, 58px);
    line-height: 0.92;
    letter-spacing: -0.025em;
    margin: 0 0 28px;
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: none;
  }
  body[data-page="signals-exchange"] .sx-hero-h1 em{
    display: inline-block;
    letter-spacing: -0.005em;
    line-height: 0.95;
  }

  /* ── Lede ── */
  body[data-page="signals-exchange"] .sx-hero-lede{
    font-size: 16px;
    line-height: 1.7;
    max-width: 100%;
    margin: 0 0 28px;
    color: var(--text);
  }

  /* ── Exchange Infrastructure card ── */
  body[data-page="signals-exchange"] .sx-hero-viz-wrap{
    width: 100%;
    margin: 0 0 28px;
    /* re-stagger so it reveals after the lede on mobile */
    animation-delay: .18s;
  }
  body[data-page="signals-exchange"] .sx-hero-viz{
    padding: 0;
    border-radius: 20px;
    background:
      radial-gradient(circle at 50% 22%, rgba(200,169,110,0.10), transparent 60%),
      linear-gradient(180deg, rgba(15,18,23,0.88), rgba(6,7,10,0.94)),
      repeating-linear-gradient(180deg, rgba(200,169,110,0.03) 0 1px, transparent 1px 5px);
    border: 1px solid rgba(200,169,110,0.35);
    box-shadow:
      0 18px 50px rgba(0,0,0,0.55),
      0 0 30px rgba(200,169,110,0.06),
      inset 0 1px 0 rgba(229,203,140,0.14);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  body[data-page="signals-exchange"] .sx-hero-viz::before{ border-radius: 20px; }

  body[data-page="signals-exchange"] .sx-hero-viz-head{
    padding: 18px 18px 14px;
    margin: 0;
    gap: 12px;
    border-bottom: 1px solid var(--gold-border-soft);
    align-items: center;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-tag{
    font-size: 12px;
    letter-spacing: 0.17em;
    color: var(--text-warm);
  }
  body[data-page="signals-exchange"] .sx-hero-viz-map-id{
    font-size: 9.5px;
    letter-spacing: 0.15em;
    text-align: right;
    line-height: 1.4;
  }

  body[data-page="signals-exchange"] .sx-hero-viz-stage{
    height: clamp(360px, 100vw, 420px);
    margin-top: 0;
    padding: 12px 8px;
  }
  /* Bump mandate/orbit labels to the 11 px readability floor.
     Overrides inline style="font-size:8px" set on the leaf labels. */
  body[data-page="signals-exchange"] .sx-hero-viz-stage span[style*="letter-spacing:0.22em"]{
    font-size: 11px !important;
    padding: 4px 8px !important;
  }

  body[data-page="signals-exchange"] .sx-hero-viz-caption{
    margin: 0;
    padding: 12px 16px;
    font-size: 9.5px;
    letter-spacing: 0.13em;
    line-height: 1.8;
    border-top: 1px solid var(--gold-border-soft);
    border-bottom: 1px solid var(--gold-border-soft);
    text-align: center;
  }

  /* Hide the desktop card foot; the mobile 3-cell footer takes its place. */
  body[data-page="signals-exchange"] .sx-hero-viz-foot{ display: none; }

  /* Mobile 3-cell footer: STATUS / AVAILABLE / ACCESS */
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    padding: 18px 16px 20px;
    align-items: start;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-cell{
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
    min-width: 0;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-cell + .sx-hero-viz-mfoot-cell::before{
    content:'';
    position: absolute;
    left: -6px; top: 3px; bottom: 3px;
    width: 1px;
    background: rgba(200,169,110,0.16);
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-k{
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    line-height: 1.2;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-v{
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1.2;
    color: var(--text-warm);
    letter-spacing: 0.02em;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-v.is-ok{
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-v.is-ok::before{
    content: '';
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: sxPulse 2.8s ease-in-out infinite;
  }

  /* Hide the separate desktop status strip only on mobile; the card
     footer above renders the same three key metrics inline. */
  body[data-page="signals-exchange"] .sx-status-section{ display: none; }

  /* ── CTA stack ── */
  body[data-page="signals-exchange"] .sx-hero-cta-row{
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin: 0 0 32px;
    animation-delay: .24s;
  }
  body[data-page="signals-exchange"] .sx-hero-cta-row .sx-btn{
    width: 100%;
    box-sizing: border-box;
    padding: 0 20px;
    font-size: 12px;
    letter-spacing: 0.25em;
    border-radius: 4px;
  }
  body[data-page="signals-exchange"] .sx-hero-cta-row .sx-btn-primary{
    min-height: 58px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    text-align: left;
    background:
      linear-gradient(90deg, var(--gold-warm) 0%, var(--gold) 55%, var(--gold-warm) 100%);
    color: #050506;
    border-color: var(--gold-bright);
    box-shadow:
      0 2px 10px rgba(0,0,0,0.55),
      0 0 22px rgba(200,169,110,0.18),
      inset 0 1px 0 rgba(255,255,255,0.32);
    transition: transform 160ms var(--ease), box-shadow 220ms var(--ease);
  }
  body[data-page="signals-exchange"] .sx-hero-cta-row .sx-btn-primary svg{
    width: 22px; height: 22px;
    justify-self: end;
    margin-right: 0;
  }
  body[data-page="signals-exchange"] .sx-hero-cta-row .sx-btn-primary:active{
    transform: translateY(1px) scale(0.99);
  }
  body[data-page="signals-exchange"] .sx-hero-cta-row .sx-btn-outline{
    min-height: 56px;
    background: rgba(5,7,11,0.62);
    border: 1px solid rgba(200,169,110,0.42);
    color: var(--text-warm);
    box-shadow: inset 0 0 22px rgba(200,169,110,0.05);
  }
  body[data-page="signals-exchange"] .sx-hero-cta-row .sx-btn-outline:active{
    transform: translateY(1px) scale(0.99);
  }

  /* ── Benefits grid (2 × 2 at ≥390 px) ── */
  body[data-page="signals-exchange"] .sx-hero-assurances{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 20px;
    row-gap: 18px;
    margin: 0;
    animation-delay: .30s;
  }
  body[data-page="signals-exchange"] .sx-hero-assurance{
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 11.5px;
    letter-spacing: 0.17em;
    line-height: 1.55;
    color: var(--text-subtle);
  }
  body[data-page="signals-exchange"] .sx-hero-assurance-dot{
    margin-top: 6px;
    flex-shrink: 0;
  }
}

/* Very small screens: tighter gutters, benefits stack to one column */
@media (max-width: 389px){
  body[data-page="signals-exchange"] .sx-hero{
    padding: 44px 16px 32px;
  }
  body[data-page="signals-exchange"] .sx-hero-h1{
    font-size: clamp(38px, 12vw, 46px);
  }
  body[data-page="signals-exchange"] .sx-hero-assurances{
    grid-template-columns: 1fr;
    row-gap: 14px;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot{
    padding: 16px 14px 18px;
    gap: 10px;
  }
  body[data-page="signals-exchange"] .sx-hero-viz-mfoot-v{ font-size: 15px; }
  body[data-page="signals-exchange"] .sx-hero-viz-head{ padding: 16px 16px 12px; }
  body[data-page="signals-exchange"] .sx-hero-viz-caption{ padding: 10px 14px; font-size: 9px; }
  body[data-page="signals-exchange"] .sx-hero-viz-stage{ height: clamp(340px, 108vw, 400px); }
}