/* ============================================================
   Exonome — redesigned site styles
   Light by default; dark via :root[data-theme="dark"].
   Design system carried over from the Exonome brochure family.
   ============================================================ */

:root {
  /* LIGHT (default) */
  --ink:#F5F6F8;        /* page background */
  --ink-2:#FFFFFF;      /* raised surface */
  --panel:#FFFFFF;      /* cards */
  --line:rgba(15,20,30,.10);
  --line-2:rgba(15,20,30,.16);
  --text:#12161C;
  --text-soft:#3B424E;
  --muted:#6B7280;
  --influence:#E0324F;  /* coral — people, trust, participation */
  --commerce:#BE7514;   /* amber — structure, sustainability, commerce */
  --flow: linear-gradient(100deg, var(--influence), var(--commerce));
  --shadow: 0 22px 50px -30px rgba(20,30,50,.28);
  --shadow-sm: 0 4px 16px -10px rgba(20,30,50,.30);

  --maxw:1160px;
  /* φ-based spacing scale (Fibonacci px) */
  --sp-1:8px; --sp-2:13px; --sp-3:21px; --sp-4:34px; --sp-5:55px; --sp-6:89px;
  --gap-section: clamp(44px, 4.4vw, 74px);
  --phi:1.618;
  --sans:-apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  --mono:ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --ink:#0B0E14;
  --ink-2:#12161F;
  --panel:#141924;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --text:#EAECEF;
  --text-soft:#B7BEC9;
  --muted:#7E8798;
  --influence:#FF4D6D;
  --commerce:#F6A93B;
  --shadow:0 24px 60px -28px rgba(0,0,0,.75);
  --shadow-sm:0 6px 20px -12px rgba(0,0,0,.6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 112.5%; }   /* 18px base for readable body copy */
@media (max-width:560px){ html { font-size: 106.25%; } }
@media (prefers-reduced-motion: reduce){ html { scroll-behavior:auto; } }

body {
  margin:0;
  background:
    radial-gradient(120% 70% at 90% -10%, color-mix(in srgb, var(--influence) 8%, transparent), transparent 60%),
    radial-gradient(90% 60% at -10% 108%, color-mix(in srgb, var(--commerce) 7%, transparent), transparent 55%),
    var(--ink);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-0.01em;
  min-height:100vh;
}
img { max-width:100%; height:auto; display:block; }
a { color:inherit; }

.wrap { max-width:var(--maxw); margin:0 auto; padding:0 28px; }

/* ---------- shared type devices ---------- */
h1,h2,h3,h4 { text-wrap:balance; letter-spacing:-0.03em; line-height:1.06; margin:0; }
.eyebrow {
  font-family:var(--mono); font-size:.72rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--muted); display:inline-flex; align-items:center; gap:.6em;
}
.eyebrow::before { content:""; width:26px; height:2px; border-radius:2px; background:var(--flow); }
.flow-text { background:var(--flow); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(1.4) blur(12px);
  background:color-mix(in srgb, var(--ink) 82%, transparent);
  border-bottom:1px solid var(--line);
}
.nav-inner {
  max-width:var(--maxw); margin:0 auto; padding:12px 28px;
  display:flex; align-items:center; gap:20px;
}
.nav-brand { display:inline-flex; align-items:center; text-decoration:none; flex-shrink:0; }
.nav-brand .logo-badge {
  display:inline-flex; background:none; border:0; padding:0; box-shadow:none; flex-shrink:0;
}
.nav-brand .logo-badge img { height:30px; width:auto; max-width:none; display:block; flex-shrink:0; position:relative; top:-2px; }
.nav-links { display:flex; align-items:center; gap:4px; margin-left:auto; }
.nav-links > a, .nav-item > a {
  text-decoration:none; color:var(--text-soft); font-size:15px; font-weight:550;
  padding:9px 11px; border-radius:9px; white-space:nowrap; display:inline-block;
  transition:color .15s, background .15s;
}
.submenu a { font-size:15px; }
.cta-free, .cta-demo { font-size:15px; }
.nav-theme { font-size:11px; }
.nav-links > a:hover, .nav-item > a:hover { color:var(--text); background:color-mix(in srgb, var(--text) 6%, transparent); }
.nav-item { position:relative; }
.nav-item > a::after { content:"›"; margin-left:6px; color:var(--muted); font-size:.85em; }
/* invisible bridge over the gap so the submenu doesn't vanish while the cursor travels to it */
.nav-item.has-submenu::after { content:""; position:absolute; left:0; right:0; top:100%; height:14px; }
.submenu {
  position:absolute; top:calc(100% + 6px); left:0; min-width:250px;
  background:var(--ink-2); border:1px solid var(--line); border-radius:14px;
  box-shadow:var(--shadow); padding:8px; display:none; flex-direction:column; gap:2px;
}
.nav-item:hover .submenu, .nav-item:focus-within .submenu { display:flex; }
.submenu a {
  text-decoration:none; color:var(--text-soft); font-size:.88rem; padding:9px 12px; border-radius:9px;
}
.submenu a:hover { background:color-mix(in srgb, var(--influence) 10%, transparent); color:var(--text); }
.nav-cta-group { display:flex; align-items:center; gap:9px; margin-left:8px; }
.nav-theme {
  font-family:var(--mono); font-size:.66rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-soft); background:transparent; cursor:pointer;
  border:1px solid var(--line-2); border-radius:999px; padding:8px 12px; line-height:1;
}
.nav-theme:hover { border-color:color-mix(in srgb, var(--influence) 55%, var(--line-2)); color:var(--text); }
.cta-free {
  text-decoration:none; font-size:.88rem; font-weight:620; padding:9px 15px; border-radius:10px;
  border:1px solid var(--line-2); color:var(--text); white-space:nowrap;
}
.cta-free:hover { border-color:color-mix(in srgb, var(--commerce) 55%, var(--line-2)); }
.cta-demo {
  text-decoration:none; font-size:.88rem; font-weight:640; padding:9px 16px; border-radius:10px;
  background:var(--flow); color:#fff; white-space:nowrap;
  box-shadow:0 12px 26px -14px color-mix(in srgb, var(--influence) 70%, transparent);
}
.nav-toggle {
  display:none; margin-left:auto; background:transparent; border:1px solid var(--line-2);
  color:var(--text); font-size:1.2rem; border-radius:10px; padding:6px 12px; cursor:pointer;
}
:focus-visible { outline:2px solid var(--influence); outline-offset:2px; }

@media (max-width:1080px) {
  .nav-toggle { display:inline-block; }
  .nav-links {
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch; gap:2px; margin:0;
    background:var(--ink-2); border-bottom:1px solid var(--line);
    padding:14px 20px 22px; box-shadow:var(--shadow); max-height:80vh; overflow:auto;
  }
  .nav-links.open { display:flex; }
  .nav-item > a::after { content:""; }
  .submenu { position:static; display:flex; box-shadow:none; border:none; padding:4px 0 8px 12px; min-width:0; background:transparent; }
  .nav-cta-group { margin:8px 0 0; }
}

/* ============================================================
   HERO
   ============================================================ */
/* golden hero: text : visual ≈ φ : 1 */
.hero { display:grid; grid-template-columns:1.618fr 1fr; gap:var(--sp-5); align-items:center;
  padding:var(--sp-6) 0 var(--sp-5); }
.hero.no-visual { grid-template-columns:1fr; max-width:62ch; }
.hero h1 { font-size:clamp(2.6rem,5.4vw,4.2rem); font-weight:780; margin-top:var(--sp-3);
  letter-spacing:-0.035em; line-height:1.02; }
.hero .lede { font-size:clamp(1.08rem,1.5vw,1.3rem); color:var(--text-soft); max-width:48ch;
  margin-top:var(--sp-3); line-height:1.55; }
.hero-cta { display:flex; flex-wrap:wrap; gap:12px; margin-top:var(--sp-4); }
.hero-micro { font-family:var(--mono); font-size:.72rem; color:var(--muted); margin-top:16px; }

.btn {
  font-family:var(--sans); font-size:.95rem; font-weight:620; padding:13px 22px; border-radius:12px;
  cursor:pointer; text-decoration:none; display:inline-flex; align-items:center; gap:9px;
  border:1px solid transparent; letter-spacing:-0.01em; transition:transform .12s ease, border-color .15s;
}
.btn:active { transform:translateY(1px); }
.btn.primary { background:var(--flow); color:#fff;
  box-shadow:0 14px 32px -14px color-mix(in srgb, var(--influence) 70%, transparent); }
.btn.ghost { border-color:var(--line-2); color:var(--text); background:color-mix(in srgb, var(--panel) 55%, transparent); }
.btn.ghost:hover { border-color:color-mix(in srgb, var(--commerce) 55%, var(--line-2)); }

/* hero visual / canvas */
.stage {
  position:relative; border:1px solid var(--line); border-radius:22px;
  background:
    radial-gradient(120% 100% at 70% 0%, color-mix(in srgb, var(--influence) 6%, transparent), transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--ink-2) 92%, transparent), var(--ink-2));
  box-shadow:var(--shadow); overflow:hidden; aspect-ratio:var(--phi); min-height:360px;
}
.stage canvas { display:block; width:100%; height:100%; }
.stage .tag {
  position:absolute; top:14px; left:16px; font-family:var(--mono); font-size:.64rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted); border:1px solid var(--line); border-radius:999px;
  padding:5px 11px; background:color-mix(in srgb, var(--ink) 45%, transparent);
}
.stage .legend {
  position:absolute; left:16px; bottom:14px; right:16px; display:flex; gap:16px; flex-wrap:wrap;
  font-family:var(--mono); font-size:.64rem; letter-spacing:.03em; color:var(--text-soft);
}
.legend .k { display:inline-flex; align-items:center; gap:7px; }
.legend .dot { width:9px; height:9px; border-radius:50%; }
.legend .dot.hub { background:var(--text); box-shadow:0 0 0 3px color-mix(in srgb, var(--text) 22%, transparent); }
.legend .dot.a { background:var(--influence); }
.legend .dot.b { background:var(--commerce); }
.legend .dot.blend { background:linear-gradient(90deg, var(--influence), var(--commerce)); }

/* ============================================================
   SECTIONS + PROSE
   ============================================================ */
.section { padding:var(--gap-section) 0; border-top:1px solid var(--line); }
.section.alt { background:color-mix(in srgb, var(--ink-2) 55%, transparent); }
.section-head { display:flex; flex-direction:column; gap:var(--sp-2); margin-bottom:var(--sp-4); }
.section-head h2 { font-size:clamp(1.8rem,3.2vw,2.6rem); font-weight:740; letter-spacing:-0.032em; max-width:22ch; }

/* distilled section: big lead + scannable point grid */
.lead-xl { font-size:clamp(1.25rem,1.9vw,1.6rem); line-height:1.4; color:var(--text); font-weight:520;
  max-width:30ch; letter-spacing:-0.015em; }
.points { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-3) var(--sp-5); margin-top:var(--sp-4); }
.point { position:relative; padding-left:24px; color:var(--text-soft); font-size:1rem; line-height:1.45; }
.point::before { content:""; position:absolute; left:0; top:.62em; width:11px; height:2px; border-radius:2px; background:var(--flow); }
@media (max-width:860px){ .points { grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .points { grid-template-columns:1fr; } }

/* prose block — full content width (aligns with cards/spectrum); body flows in two columns */
.prose-block { max-width:none; }
.prose-block .section-head { margin-bottom:var(--sp-3); }
.prose-block .section-head h2 { max-width:none; }
.prose-block .richtext { display:block; column-count:2; column-gap:var(--sp-6);
  column-rule:1px solid var(--line); margin-top:var(--sp-4); }
.prose-block .richtext > * { break-inside:avoid; margin:0 0 var(--sp-3); max-width:none; font-size:1rem; }
.prose-block .richtext > h3 { break-after:avoid; }
.prose-block .richtext ul, .prose-block .richtext ol { display:flex; flex-direction:column; gap:10px; }
@media (max-width:760px){ .prose-block .richtext { column-count:1; column-rule:none; } }
.lead { color:var(--text-soft); font-size:clamp(1.05rem,1.35vw,1.2rem); max-width:62ch; }

/* rich body content: heading on top, paragraphs at a readable measure,
   lists rendered as multi-column grids so they fill the width (never a wall) */
.richtext { display:flex; flex-direction:column; gap:var(--sp-3); margin-top:var(--sp-3); }
.richtext > p { margin:0; color:var(--text-soft); max-width:74ch; }
.richtext > h3 { margin:var(--sp-2) 0 0; font-size:1.2rem; font-weight:680; color:var(--text); }
.richtext > blockquote { margin:0; padding:16px 22px; max-width:76ch; color:var(--text);
  border-left:3px solid var(--influence); background:color-mix(in srgb, var(--influence) 6%, transparent);
  border-radius:0 12px 12px 0; }
.richtext a { color:var(--influence); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px; }
.richtext ul, .richtext ol { margin:2px 0; padding:0; list-style:none;
  display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px 44px; }
.richtext li { position:relative; padding-left:22px; color:var(--text-soft); line-height:1.5; }
.richtext ul li::before { content:""; position:absolute; left:0; top:.62em; width:9px; height:2px; border-radius:2px; background:var(--flow); }
.richtext ol { counter-reset:li; }
.richtext ol li { counter-increment:li; }
.richtext ol li::before { content:counter(li); position:absolute; left:0; top:0; color:var(--influence);
  font-family:var(--mono); font-size:.9em; font-weight:600; }
.richtext-center { align-items:center; text-align:center; max-width:800px; margin:0 auto; }
.richtext-center > p { max-width:64ch; }
.richtext-center ul, .richtext-center ol { text-align:left; }
@media (max-width:720px){ .richtext ul, .richtext ol { grid-template-columns:1fr; } }

.prose { max-width:70ch; }
.prose > * + * { margin-top:16px; }
.prose p { color:var(--text-soft); margin:0; }
.prose h3 { font-size:1.2rem; font-weight:680; margin-top:30px; color:var(--text); }
.prose ul, .prose ol { margin:4px 0 0; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px; }
.prose li { position:relative; padding-left:22px; color:var(--text-soft); }
.prose li::before { content:""; position:absolute; left:0; top:.62em; width:9px; height:2px; border-radius:2px; background:var(--flow); }
.prose ol { counter-reset:li; }
.prose ol li { counter-increment:li; }
.prose ol li::before { content:counter(li); top:0; width:auto; height:auto; background:none;
  color:var(--influence); font-family:var(--mono); font-size:.85em; font-weight:600; }
.prose a { color:var(--influence); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px; }
.prose blockquote { margin:0; padding:16px 22px; border-left:3px solid var(--influence);
  background:color-mix(in srgb, var(--influence) 6%, transparent); border-radius:0 12px 12px 0; color:var(--text); }
.prose img { border-radius:14px; border:1px solid var(--line); margin-top:8px; }

/* video embed */
.video-block { display:flex; flex-direction:column; align-items:center; gap:var(--sp-3); }
.video-cap { font-family:var(--mono); font-size:.82rem; letter-spacing:.03em; color:var(--muted); margin:0; }
.video-wrap { position:relative; width:100%; max-width:860px; margin:0 auto; aspect-ratio:16/9;
  border-radius:18px; overflow:hidden; border:1px solid var(--line); box-shadow:var(--shadow);
  background:color-mix(in srgb, var(--ink-2) 70%, transparent); }
.video-wrap iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }

/* contained, centered intro for short sections (no marooned columns) */
.section-center { max-width:820px; margin:0 auto; display:flex; flex-direction:column; align-items:center;
  text-align:center; gap:var(--sp-3); }
.section-center .section-head { align-items:center; text-align:center; max-width:62ch; margin-bottom:0; }
.section-center .prose { max-width:60ch; text-align:center; }
.section-center .hero-cta { justify-content:center; margin-top:var(--sp-2); }

/* framed CTA panel — full content width (aligns with cards/spectrum above) */
.cta-panel { width:100%; border:1px solid var(--line); border-radius:22px;
  padding:var(--sp-5) var(--sp-6); box-shadow:var(--shadow-sm);
  background:
    radial-gradient(130% 150% at 100% 0%, color-mix(in srgb, var(--commerce) 9%, transparent), transparent 55%),
    color-mix(in srgb, var(--panel) 62%, transparent);
  display:grid; grid-template-columns:1.618fr auto; gap:var(--sp-4); align-items:center; }
.cta-panel h2 { font-size:clamp(1.5rem,2.7vw,2.15rem); font-weight:740; letter-spacing:-0.03em; }
.cta-panel .sub { color:var(--text-soft); margin:10px 0 0; max-width:54ch; }
.cta-panel .hero-cta { margin:0; }
@media (max-width:720px){ .cta-panel { grid-template-columns:1fr; text-align:left; padding:var(--sp-4); }
  .cta-panel .hero-cta { justify-content:flex-start; } }

/* two-column story */
.split { display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:start; }
.split.reverse { grid-template-columns:.9fr 1.1fr; }

/* ============================================================
   CARDS + MODE SPECTRUM
   ============================================================ */
.cards { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-3); margin-top:var(--sp-4); }
.cards.cols-2 { grid-template-columns:repeat(2,1fr); }
.cards.cols-4 { grid-template-columns:repeat(4,1fr); }
.card {
  border:1px solid var(--line); border-radius:16px; padding:var(--sp-4) var(--sp-3) calc(var(--sp-4) - 2px);
  background:color-mix(in srgb, var(--panel) 55%, transparent); display:flex; flex-direction:column; gap:13px;
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.card:hover { transform:translateY(-3px); border-color:color-mix(in srgb, var(--influence) 30%, var(--line));
  box-shadow:var(--shadow-sm); }
.card .ic { width:34px; height:34px; border-radius:10px; display:grid; place-items:center;
  border:1px solid var(--line-2); color:var(--commerce); }
.card .ic svg { width:18px; height:18px; }
.card h3 { font-size:1.06rem; font-weight:680; }
.card p { margin:0; color:var(--text-soft); font-size:.92rem; }
.card ul { margin:2px 0 0; padding:0; list-style:none; display:flex; flex-direction:column; gap:9px; }
.card li { position:relative; padding-left:20px; color:var(--text-soft); font-size:.9rem; line-height:1.4; }
.card li::before { content:""; position:absolute; left:0; top:.55em; width:9px; height:2px; border-radius:2px; background:var(--flow); }
.card .who { font-family:var(--mono); font-size:.66rem; letter-spacing:.13em; text-transform:uppercase; color:var(--muted); }
.card.step .step-n { font-family:var(--mono); font-size:1.1rem; font-weight:600; letter-spacing:.02em;
  background:var(--flow); -webkit-background-clip:text; background-clip:text; color:transparent; }

.spectrum { display:flex; align-items:center; gap:16px; margin-top:26px; font-family:var(--mono);
  font-size:.64rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); }
.spectrum .bar { flex:1; height:2px; border-radius:2px; background:var(--flow); opacity:.85; }
.paths { display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-2); margin-top:var(--sp-2); }
.paths.cols-3 { grid-template-columns:repeat(3,1fr); }
.path { border:1px solid var(--line); border-radius:14px; padding:var(--sp-3) 18px calc(var(--sp-3) + 2px);
  background:color-mix(in srgb, var(--panel) 55%, transparent); display:flex; flex-direction:column; gap:10px;
  position:relative; overflow:hidden; transition:transform .16s ease, border-color .16s ease; }
.path:hover { transform:translateY(-3px); border-color:color-mix(in srgb, var(--commerce) 35%, var(--line)); }
.path::before { content:""; position:absolute; top:0; left:0; right:0; height:2px; background:var(--dotc,var(--flow)); opacity:.9; }
.path .mode { font-family:var(--mono); font-size:.64rem; letter-spacing:.14em; text-transform:uppercase; color:var(--dotc,var(--commerce)); }
.path h3 { font-size:1.04rem; font-weight:680; }
.path p { margin:0; font-size:.88rem; color:var(--text-soft); }

/* ============================================================
   STAT STRIP / CALLOUT
   ============================================================ */
.callout {
  border:1px solid var(--line); border-radius:20px; overflow:hidden; margin-top:8px;
  background:color-mix(in srgb, var(--panel) 55%, transparent); display:grid; grid-template-columns:1.618fr 1fr;
}
.callout .copy { padding:var(--sp-4) 32px; display:flex; flex-direction:column; gap:14px; }
.callout .copy h2 { font-size:clamp(1.4rem,2.5vw,1.95rem); font-weight:720; }
.callout .copy p { color:var(--text-soft); margin:0; max-width:48ch; }
.callout .stats { border-left:1px solid var(--line); display:grid; }
.callout .stat { padding:18px 30px; display:flex; flex-direction:column; gap:3px; }
.callout .stat + .stat { border-top:1px solid var(--line); }
.callout .stat .v { font-family:var(--mono); font-size:1.35rem; font-weight:600; letter-spacing:-0.02em; }
.callout .stat .l { font-family:var(--mono); font-size:.66rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }

/* ============================================================
   PRICING
   ============================================================ */
.pricing { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:var(--sp-3); margin-top:var(--sp-4); align-items:stretch; }
.tier { border:1px solid var(--line); border-radius:18px; padding:28px 26px; background:var(--panel);
  display:flex; flex-direction:column; gap:12px; box-shadow:var(--shadow-sm); height:100%; }
.tier.featured { border-color:color-mix(in srgb, var(--influence) 55%, var(--line)); box-shadow:var(--shadow); position:relative; }
.tier .name { font-size:1.2rem; font-weight:700; letter-spacing:-0.02em; }
.tier .tier-tag { color:var(--text-soft); font-weight:600; margin:0; font-size:.95rem; }
.tier .tier-note { color:var(--text-soft); font-size:.9rem; margin:0; }
.tier .price { display:flex; align-items:baseline; gap:7px; margin:6px 0 2px; }
.tier .price .amt { font-size:2.7rem; font-weight:800; letter-spacing:-0.035em; line-height:1;
  background:var(--flow); -webkit-background-clip:text; background-clip:text; color:transparent; }
.tier .price .per { color:var(--muted); font-size:.95rem; font-weight:500; }
.tier .billing { font-family:var(--mono); font-size:.66rem; letter-spacing:.04em; color:var(--muted); }
.tier ul { margin:6px 0 4px; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px; }
.tier li { position:relative; padding-left:24px; color:var(--text-soft); font-size:.92rem; line-height:1.45; }
.tier li::before { content:"✓"; position:absolute; left:0; top:0; color:var(--influence); font-weight:700; font-size:.9em; }
.tier .btn { margin-top:auto; justify-content:center; width:100%; }

/* billing (monthly/yearly) toggle */
.billing-toggle { display:inline-flex; gap:4px; padding:4px; border:1px solid var(--line-2);
  border-radius:999px; background:color-mix(in srgb, var(--panel) 60%, transparent); margin-top:var(--sp-3); }
.bt-opt { border:none; background:transparent; cursor:pointer; font-family:var(--sans); font-size:.9rem;
  font-weight:620; color:var(--text-soft); padding:8px 20px; border-radius:999px; transition:color .15s; }
.bt-opt.is-active { background:var(--flow); color:#fff; }
.bt-opt:not(.is-active):hover { color:var(--text); }
.toggle-note { font-family:var(--mono); font-size:.7rem; color:var(--muted); margin:10px 0 0; }
.pricing .anno { font-family:var(--mono); font-size:.64rem; letter-spacing:.04em; color:var(--commerce); display:none; }

/* expansion pricing tiers (per-exchange rows) */
.xtiers { display:flex; flex-direction:column; margin:6px 0 2px; }
.xtier { display:flex; justify-content:space-between; align-items:baseline; gap:14px; padding:10px 0; border-bottom:1px solid var(--line); }
.xtier:last-child { border-bottom:none; }
.xtier .xlabel { color:var(--text-soft); font-size:.92rem; }
.xtier .xprice { font-weight:680; font-variant-numeric:tabular-nums; white-space:nowrap; }
.xtier .xprice small { color:var(--muted); font-weight:500; font-size:.78em; }
.xtier.plat { margin-top:8px; padding-top:14px; border-top:2px solid color-mix(in srgb, var(--influence) 30%, var(--line)); border-bottom:none; }
.xtier.plat .xlabel { color:var(--text); font-weight:640; }
.xtier.plat .xprice { color:var(--influence); }
.platform-note { max-width:74ch; margin-top:var(--sp-4); color:var(--text-soft);
  border-left:3px solid var(--commerce); padding:6px 0 6px 18px; }

/* FAQ accordion */
.faq { display:flex; flex-direction:column; gap:10px; margin-top:var(--sp-3); }
.faq details { border:1px solid var(--line); border-radius:13px; overflow:hidden;
  background:color-mix(in srgb, var(--panel) 55%, transparent); transition:border-color .15s; }
.faq details[open] { border-color:color-mix(in srgb, var(--influence) 30%, var(--line)); }
.faq summary { cursor:pointer; padding:16px 20px; font-weight:640; list-style:none;
  display:flex; justify-content:space-between; align-items:center; gap:16px; }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; color:var(--influence); font-size:1.3rem; line-height:1; flex:none; }
.faq details[open] summary::after { content:"\2013"; }
.faq details[open] summary { border-bottom:1px solid var(--line); }
.faq .faq-a { padding:14px 20px 18px; color:var(--text-soft); }
.faq .faq-a p { margin:0; }

/* live-exchange cards (logo header + body) */
.ex-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-3); margin-top:var(--sp-4); }
.ex-card { display:flex; flex-direction:column; border:1px solid var(--line); border-radius:18px;
  overflow:hidden; background:var(--panel); transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.ex-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-md);
  border-color:color-mix(in srgb, var(--influence) 26%, var(--line)); }
.ex-visual { aspect-ratio:16/10; background:#fff; border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; overflow:hidden; }
.ex-visual img { width:100%; height:100%; object-fit:cover; object-position:center; display:block; }
.ex-body { display:flex; flex-direction:column; gap:11px; padding:22px 22px 24px; flex:1; }
.ex-type { font-family:var(--mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--influence); display:inline-flex; align-items:center; gap:7px; }
.ex-card h3 { font-size:1.14rem; font-weight:720; letter-spacing:-0.01em; }
.ex-desc { color:var(--text-soft); font-size:.92rem; line-height:1.5; margin:0; }
.ex-value-label { font-family:var(--mono); font-size:.64rem; letter-spacing:.09em; text-transform:uppercase;
  color:var(--muted); display:block; margin-bottom:7px; }
.ex-value ul { margin:0; padding-left:18px; color:var(--text-soft); font-size:.9rem;
  display:flex; flex-direction:column; gap:5px; }
.ex-link { margin-top:auto; font-weight:600; color:var(--influence); text-decoration:none;
  font-size:.92rem; padding-top:6px; }
.ex-link:hover { text-decoration:underline; }
@media (max-width:900px){ .ex-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .ex-grid { grid-template-columns:1fr; } }

/* pricing: expansion calculator */
.expansion-calculator { margin-top:var(--sp-4); background:var(--panel); border:1px solid var(--line);
  border-radius:18px; padding:var(--sp-4); }
.expansion-calculator h3 { margin:0 0 var(--sp-3); font-size:1.15rem; font-weight:720; letter-spacing:-0.01em; }
.calc-fields { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:26px; }
.calc-field > label { display:block; font-family:var(--mono); font-size:.66rem; font-weight:600;
  color:var(--muted); text-transform:uppercase; letter-spacing:.09em; margin-bottom:9px; }
.calc-type-toggle { display:flex; border:1px solid var(--line); border-radius:10px; overflow:hidden; }
.calc-type-toggle input[type="radio"] { display:none; }
.calc-type-toggle label { flex:1; padding:11px 14px; font-size:.92rem; font-weight:560; text-align:center;
  cursor:pointer; color:var(--text-soft); background:transparent; transition:background .15s ease, color .15s ease;
  text-transform:none; letter-spacing:normal; margin-bottom:0; }
.calc-type-toggle input:checked + label { background:var(--influence); color:#fff; }
.calc-qty-input { width:100%; padding:11px 14px; font-size:1.05rem; font-weight:600; border:1px solid var(--line);
  border-radius:10px; background:var(--panel); color:var(--text); box-sizing:border-box; }
.calc-results { border-top:1px solid var(--line); padding-top:22px; }
.calc-breakdown-row { display:flex; justify-content:space-between; align-items:baseline; padding:9px 0;
  border-bottom:1px solid var(--line); font-size:.9rem; gap:16px; }
.calc-breakdown-row:last-child { border-bottom:none; }
.calc-bd-label { color:var(--text-soft); flex:1; }
.calc-bd-amount { font-weight:700; color:var(--text); white-space:nowrap; }
.calc-summary { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:18px; }
.calc-summary-item { background:color-mix(in srgb, var(--ink-2) 55%, transparent); border:1px solid var(--line);
  border-radius:12px; padding:16px 18px; }
.calc-summary-label { font-family:var(--mono); font-size:.62rem; font-weight:600; color:var(--muted);
  text-transform:uppercase; letter-spacing:.09em; margin-bottom:7px; }
.calc-summary-value { font-size:1.8rem; font-weight:740; color:var(--text); letter-spacing:-0.02em; line-height:1; }
.calc-summary-sub { font-size:.76rem; color:var(--muted); margin-top:5px; }
.calc-platform-rec { margin-top:18px; background:color-mix(in srgb, var(--influence) 5%, transparent);
  border:1.5px solid color-mix(in srgb, var(--influence) 24%, var(--line)); border-radius:14px; padding:20px 22px; }
.calc-platform-rec-header { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.calc-platform-badge { font-family:var(--mono); font-size:.6rem; font-weight:600; text-transform:uppercase;
  letter-spacing:.09em; background:var(--influence); color:#fff; border-radius:5px; padding:3px 8px; }
.calc-platform-rec-title { font-size:1rem; font-weight:720; color:var(--text); }
.calc-platform-rec-price { font-size:1.85rem; font-weight:740; color:var(--influence); letter-spacing:-0.02em;
  margin:0 0 8px; line-height:1; }
.calc-platform-rec-sub { margin:0 0 10px; font-size:.95rem; font-weight:600; color:var(--influence); }
.calc-platform-rec-desc { margin:0; font-size:.9rem; color:var(--text-soft); line-height:1.55; }
.calc-savings-badge { display:inline-block; margin-top:12px; background:color-mix(in srgb, #16a34a 9%, transparent);
  border:1px solid color-mix(in srgb, #16a34a 28%, transparent); color:#15803d; border-radius:8px;
  padding:5px 12px; font-size:.82rem; font-weight:600; }
@media (max-width:600px){ .calc-fields, .calc-summary { grid-template-columns:1fr; } .expansion-calculator { padding:22px; } }

/* comparison table */
.table-wrap { overflow-x:auto; margin-top:var(--sp-3); border:1px solid var(--line); border-radius:14px; }
.cmp { width:100%; border-collapse:collapse; font-size:.95rem; min-width:640px; }
.cmp th, .cmp td { text-align:left; padding:14px 18px; border-bottom:1px solid var(--line); vertical-align:top; }
.cmp thead th { font-family:var(--mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); background:color-mix(in srgb, var(--ink-2) 60%, transparent); font-weight:600; }
.cmp tbody th.rowlabel { font-weight:660; color:var(--text); }
.cmp tbody tr:last-child th, .cmp tbody tr:last-child td { border-bottom:none; }
.cmp tbody td:first-child { font-weight:620; color:var(--text); }
.cmp thead th:not(:first-child), .cmp tbody td:not(:first-child) { text-align:center; }
/* section-band rows (single-cell group headers) */
.cmp td.grp { background:color-mix(in srgb, var(--ink-2) 60%, transparent);
  font-family:var(--mono); font-size:.66rem; letter-spacing:.09em; text-transform:uppercase;
  color:var(--text-soft); font-weight:600; text-align:left; padding-top:15px; padding-bottom:9px; }
.cmp tbody tr:hover td.grp { background:color-mix(in srgb, var(--ink-2) 60%, transparent); }
.cmp tbody tr:hover td, .cmp tbody tr:hover th { background:color-mix(in srgb, var(--influence) 4%, transparent); }

/* ============================================================
   FORMS (contact)
   ============================================================ */
.form { display:flex; flex-direction:column; gap:16px; max-width:560px; margin-top:24px; }
.field { display:flex; flex-direction:column; gap:7px; }
.field label { font-family:var(--mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.field input, .field textarea, .field select {
  font-family:var(--sans); font-size:.98rem; color:var(--text); background:var(--panel);
  border:1px solid var(--line-2); border-radius:11px; padding:12px 14px; width:100%;
}
.field textarea { min-height:130px; resize:vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline:2px solid var(--influence); outline-offset:1px; border-color:transparent; }
.contact-grid { display:grid; grid-template-columns:1.25fr .75fr; gap:var(--sp-4); align-items:stretch; margin-top:var(--sp-3); }
.contact-grid .form { max-width:none; margin:0; border:1px solid var(--line); border-radius:16px; padding:var(--sp-4);
  background:color-mix(in srgb, var(--panel) 55%, transparent); }
.contact-grid .form .btn { align-self:flex-start; margin-top:4px; }
.privacy-note { font-family:var(--mono); font-size:.68rem; color:var(--muted); margin:2px 0 0; }
.contact-aside { border:1px solid var(--line); border-radius:16px; padding:var(--sp-4);
  background:color-mix(in srgb, var(--panel) 55%, transparent); display:flex; flex-direction:column; gap:12px; }
.contact-aside h3 { font-size:1.12rem; font-weight:680; }
.contact-aside .btn { align-self:flex-start; margin-top:4px; }
@media (max-width:820px){ .contact-grid { grid-template-columns:1fr; } }

/* ============================================================
   CTA BAND + FOOTER
   ============================================================ */
.cta-band { text-align:left; border-top:1px solid var(--line); display:grid; grid-template-columns:1.4fr auto;
  gap:30px; align-items:end; padding:56px 0; }
.cta-band h2 { font-size:clamp(1.8rem,3.6vw,2.7rem); font-weight:760; max-width:20ch; }
.cta-band .sub { color:var(--text-soft); margin-top:16px; max-width:52ch; }

.site-footer { border-top:1px solid var(--line); background:color-mix(in srgb, var(--ink-2) 45%, transparent); margin-top:20px; }
.footer-inner { max-width:var(--maxw); margin:0 auto; padding:52px 28px 30px;
  display:grid; grid-template-columns:repeat(4,1fr) 1.3fr; gap:30px; }
.footer-col h4 { font-family:var(--mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); margin:0 0 14px; }
.footer-col ul { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a { text-decoration:none; color:var(--text-soft); font-size:.9rem; }
.footer-col a:hover { color:var(--influence); }
.footer-cta p { color:var(--text-soft); font-size:.9rem; margin:0 0 14px; }
.footer-button { display:inline-flex; text-decoration:none; background:var(--flow); color:#fff; font-weight:620;
  font-size:.9rem; padding:11px 18px; border-radius:11px; }
.footer-bottom { border-top:1px solid var(--line); }
.footer-bottom p { max-width:var(--maxw); margin:0 auto; padding:18px 28px; font-family:var(--mono);
  font-size:.72rem; color:var(--muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px) {
  .hero { grid-template-columns:1fr; gap:34px; padding:44px 0 36px; }
  .hero .stage { order:-1; }
  .split, .split.reverse { grid-template-columns:1fr; gap:26px; }
  .cards, .cards.cols-2, .cards.cols-4 { grid-template-columns:1fr; }
  .paths, .paths.cols-3 { grid-template-columns:repeat(2,1fr); }
  .callout { grid-template-columns:1fr; }
  .callout .stats { border-left:none; border-top:1px solid var(--line); grid-auto-flow:column; }
  .callout .stat + .stat { border-top:none; border-left:1px solid var(--line); }
  .cta-band { grid-template-columns:1fr; align-items:start; }
  .footer-inner { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:560px) {
  .paths, .paths.cols-3 { grid-template-columns:1fr; }
  .callout .stats { grid-auto-flow:row; }
  .callout .stat + .stat { border-left:none; border-top:1px solid var(--line); }
  .footer-inner { grid-template-columns:1fr; }
  .wrap, .nav-inner { padding-left:20px; padding-right:20px; }
}
@media (prefers-reduced-motion: reduce) { * { animation:none !important; transition:none !important; } }

/* ============================================================
   MOBILE REFINEMENTS
   ============================================================ */
html, body { max-width:100%; overflow-x:hidden; }
img, canvas, iframe, video, table { max-width:100%; }

@media (max-width:760px) {
  /* content-first hero: headline before the animation, animation shorter */
  .hero { grid-template-columns:1fr; gap:24px; padding:28px 0 30px; }
  .hero .stage { order:1; aspect-ratio:16/10; min-height:0; }
  .hero h1 { font-size:clamp(2.05rem,7.5vw,3rem); }
  .hero .lede { font-size:1.05rem; }
  /* nav CTAs stack full-width in the open menu */
  .nav-cta-group { flex-wrap:wrap; width:100%; margin-top:10px; }
  .nav-cta-group .cta-free, .nav-cta-group .cta-demo { flex:1 1 44%; text-align:center; }
  .nav-theme { flex:1 1 100%; text-align:center; }
  .nav-links > a, .nav-item > a { padding:11px 12px; font-size:16px; }
  .submenu a { padding:10px 12px; font-size:15px; }
  /* tighter section rhythm */
  .section { padding:38px 0; }
  .section-head h2 { max-width:none; }
  .points { grid-template-columns:1fr; }
  .cards, .cards.cols-2, .cards.cols-4 { grid-template-columns:1fr; }
  .paths, .paths.cols-3 { grid-template-columns:1fr; }
  .pricing { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .callout { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr 1fr; }
}

@media (max-width:480px) {
  .wrap, .nav-inner { padding-left:16px; padding-right:16px; }
  .stage .legend { display:none; }        /* declutter tiny screens */
  .stage .tag { font-size:.58rem; }
  .hero h1 { font-size:clamp(1.9rem,8.5vw,2.5rem); letter-spacing:-0.02em; }
  .hero-cta .btn { flex:1 1 100%; justify-content:center; }
  .section { padding:32px 0; }
  .section-head h2 { font-size:clamp(1.5rem,6.5vw,1.9rem); }
  .cta-panel { padding:22px 18px; }
  .callout .copy { padding:22px 18px; }
  .callout .stats { grid-auto-flow:row; }
  .callout .stat + .stat { border-left:none; border-top:1px solid var(--line); }
  .footer-inner { grid-template-columns:1fr; gap:26px; padding:40px 16px 24px; }
  .tier { padding:22px 18px; }
  .contact-grid .form { padding:20px; }
  .lead-xl { font-size:1.15rem; }
}