/* coreCerebrum by byCORE : Design DNA stylesheet
   Dark editorial, single amber accent, grotesk + mono data.
   Hand-authored tokens + bespoke components; Tailwind CDN handles layout utilities.
   DNA hash: corecerebrum-amber-editorial-v1 */

:root{
  /* Color */
  --bg:#0b0b12;
  --bg-elev:#101017;
  --card:#15151d;
  --card-2:#1b1b25;
  --ink:#f4f5f7;
  --ink-dim:#c3c9d4;
  --muted:#9aa3b2;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.15);
  --accent:#3b82f6;          /* bright blue: highlights, meter, borders, band fills */
  --accent-hi:#60a5fa;       /* brighter, for hover / bright text */
  --accent-deep:#1d4ed8;     /* deep blue: solid button fills (white text passes AA) */
  --accent-ink:#ffffff;      /* text on deep-blue button fills */
  --band-ink:#08121f;        /* dark text on bright-blue bands */
  --accent-wash:rgba(59,130,246,.14);
  --accent-wash-2:rgba(59,130,246,.06);
  --grad:linear-gradient(100deg,#3b82f6,#8b5cf6,#f43f5e);

  /* Type */
  --f-display:'Poppins',system-ui,-apple-system,sans-serif;
  --f-body:'Inter',system-ui,-apple-system,sans-serif;
  --f-mono:'Roboto Mono',ui-monospace,'SFMono-Regular',monospace;
  --f-mark:'Syne','Poppins',sans-serif;

  /* Shape */
  --r:2px;
  --r-lg:3px;
  --maxw:1180px;

  /* Motion */
  --ease-out:cubic-bezier(.23,1,.32,1);
  --ease-in-out:cubic-bezier(.77,0,.175,1);
  --fast:170ms;
  --med:320ms;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--f-body);font-size:17px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* Ambient hairline grid : brand-derived, STILL (no drifting blob) */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 80% at 70% -10%,#000 0%,transparent 62%);
          mask-image:radial-gradient(120% 80% at 70% -10%,#000 0%,transparent 62%);
  opacity:.5;
}
.wrap{position:relative;z-index:1}

/* Layout */
.shell{max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media(min-width:768px){.shell{padding:0 40px}}
section{position:relative}
.band{padding:88px 0}
.band-lg{padding:120px 0}
.band-sm{padding:56px 0}
@media(max-width:760px){.band,.band-lg{padding:64px 0}.band-sm{padding:44px 0}}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* Typography */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;letter-spacing:-.02em;line-height:1.02;margin:0}
.eyebrow{
  font-family:var(--f-mono);font-size:12.5px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin:0 0 20px
}
.eyebrow .n{color:var(--muted)}
h1.hero-h{font-size:clamp(2.7rem,7.4vw,5.6rem)}
h2.sect-h{font-size:clamp(2rem,4.6vw,3.3rem);letter-spacing:-.025em}
h3.card-h{font-size:1.35rem;letter-spacing:-.01em;line-height:1.15}
.lede{font-size:clamp(1.05rem,1.8vw,1.32rem);color:var(--ink-dim);line-height:1.55;max-width:60ch}
p{margin:0 0 1rem;max-width:68ch}
p.muted,.muted{color:var(--muted)}
.dim{color:var(--ink-dim)}
a{color:inherit}
.mono{font-family:var(--f-mono)}
.tick{color:var(--accent)}
.big-num{font-family:var(--f-display);font-weight:800;letter-spacing:-.02em;line-height:1;
  font-variant-numeric:tabular-nums}

/* Wordmark: real SVG mark. Gradient lives on the graphic, never on text. */
.wordmark{display:inline-flex;align-items:center;text-decoration:none;line-height:0}
.wm{display:block;height:22px;width:auto;overflow:visible}
.wm text{font-family:var(--f-mark),'Poppins',sans-serif;font-weight:800;font-size:22px;letter-spacing:-.4px}
.ftr .wm{height:26px}
.m-menu-top .wm{height:24px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--f-display);font-weight:700;font-size:.98rem;letter-spacing:-.01em;
  padding:14px 24px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;
  text-decoration:none;min-height:48px;white-space:nowrap;
  transition:transform var(--fast) var(--ease-out),background var(--fast) var(--ease-out),
             border-color var(--fast) var(--ease-out),color var(--fast) var(--ease-out);
}
.btn-primary{background:var(--accent-deep);color:var(--accent-ink)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost{background:transparent;color:var(--accent);padding-left:0;padding-right:0}
@media(hover:hover) and (pointer:fine){
  .btn-primary:hover{background:#2563eb}
  .btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
  .btn-ghost:hover .arw{transform:translateX(4px)}
}
.btn:active{transform:scale(.97)}
.arw{transition:transform var(--fast) var(--ease-out)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r)}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}
.card-2{background:var(--card-2)}
.chip{
  display:inline-flex;align-items:center;gap:.5em;font-family:var(--f-mono);font-size:12px;
  letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:100px;
  padding:6px 12px;text-transform:uppercase
}

/* Header / nav */
.hdr{position:sticky;top:0;z-index:120;background:rgba(11,11,18,.72);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.nav-links{display:none;gap:30px;align-items:center}
.nav-links a{font-size:.95rem;color:var(--ink-dim);text-decoration:none;font-weight:500;
  transition:color var(--fast) var(--ease-out)}
.nav-links a[aria-current="page"]{color:var(--ink)}
@media(hover:hover){.nav-links a:hover{color:var(--accent)}}
.nav-cta{display:none}
@media(min-width:960px){.nav-links{display:flex}.nav-cta{display:inline-flex}}
.burger{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;
  background:transparent;border:1px solid var(--line-2);border-radius:var(--r);color:var(--ink);cursor:pointer}
@media(min-width:960px){.burger{display:none}}

/* Mobile menu : full-viewport overlay */
.m-menu{
  position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;z-index:200;
  background:var(--bg);display:none;flex-direction:column;overflow-y:auto;
  padding:24px;padding-top:max(24px,env(safe-area-inset-top));
  padding-bottom:max(24px,env(safe-area-inset-bottom));
}
.m-menu.is-open{display:flex}
.m-menu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.m-close{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-2);border-radius:var(--r);color:var(--ink);cursor:pointer;font-size:22px}
.m-menu nav{display:flex;flex-direction:column;margin-top:20px;border-top:1px solid var(--line)}
.m-menu nav a{font-family:var(--f-display);font-weight:700;font-size:1.5rem;padding:20px 4px;
  text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}
.m-menu .btn{margin-top:26px;width:100%}

/* Sticky mini-CTA */
.sticky-cta{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:110;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:var(--card-2);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:12px 12px 12px 18px;
  transform:translateY(140%);opacity:0;
  transition:transform var(--med) var(--ease-out),opacity var(--med) var(--ease-out);
  box-shadow:0 12px 40px rgba(0,0,0,.5)
}
.sticky-cta.show{transform:translateY(0);opacity:1}
.sticky-cta p{margin:0;font-size:.9rem;max-width:none}
.sticky-cta .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
@media(min-width:640px){.sticky-cta{left:auto;right:24px;bottom:24px;max-width:420px}}

/* Meter */
.meter{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.meter-top{display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--line);background:var(--bg-elev)}
.meter-top .lbl{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.live-dot{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12px;color:var(--accent)}
.live-dot i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;
  box-shadow:0 0 0 0 var(--accent);animation:live 2s var(--ease-out) infinite}
@keyframes live{0%{box-shadow:0 0 0 0 rgba(59,130,246,.5)}70%{box-shadow:0 0 0 9px rgba(59,130,246,0)}100%{box-shadow:0 0 0 0 rgba(59,130,246,0)}}
.meter-body{padding:22px 18px}
.meter-row{display:flex;align-items:baseline;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line)}
.meter-row:last-of-type{border-bottom:0}
.meter-row .rk{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.meter-row .rv{font-family:var(--f-mono);font-weight:700;font-size:1.15rem;font-variant-numeric:tabular-nums}
.meter-hero{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.meter-hero .pct{font-family:var(--f-display);font-weight:800;font-size:clamp(2.6rem,7vw,3.6rem);color:var(--accent);line-height:.9;font-variant-numeric:tabular-nums}
.meter-hero .cap{font-size:.82rem;color:var(--muted);text-align:right;max-width:16ch}
.bar{height:10px;background:var(--bg);border:1px solid var(--line);border-radius:100px;overflow:hidden;margin-top:14px}
.bar > i{display:block;height:100%;width:0;background:var(--accent);border-radius:100px;
  transition:width 1.6s var(--ease-out)}

/* Leak list */
.leak{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;padding:26px 0;border-top:1px solid var(--line)}
.leak .idx{font-family:var(--f-mono);font-weight:700;font-size:1.05rem;color:var(--accent);
  border:1px solid var(--line-2);width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--r)}
.leak h3{font-size:1.2rem;margin-bottom:8px}

/* Steps */
.steps{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(min-width:900px){.steps{grid-template-columns:repeat(5,1fr)}}
.step{background:var(--card);padding:24px 20px 26px;position:relative}
.step .sn{font-family:var(--f-mono);font-size:12px;color:var(--accent);letter-spacing:.1em}
.step h3{font-size:1.06rem;margin:14px 0 8px;line-height:1.2}
.step p{font-size:.92rem;color:var(--muted);margin:0}

/* Comparison */
.vs{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(min-width:820px){.vs{grid-template-columns:1.1fr 1fr 1fr}}
.vs-cell{background:var(--card);padding:20px}
.vs-head{background:var(--bg-elev);display:flex;flex-direction:column;justify-content:flex-end;min-height:96px}
.vs-head.ours{background:linear-gradient(180deg,var(--accent-wash),transparent),var(--card)}
.vs-head .t{font-family:var(--f-display);font-weight:800;font-size:1.05rem}
.vs-head .s{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.vs-rowlbl{background:var(--bg-elev);font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);display:flex;align-items:center}
.vs-cell.ours{border-left:0;box-shadow:inset 0 0 0 1px var(--accent-wash)}
.vs-cell .v{font-size:.98rem;line-height:1.4}
.vs-cell.ours .v{color:var(--ink);font-weight:500}
.vs-cell.theirs .v{color:var(--muted)}
.vs-note{font-family:var(--f-mono);font-size:11px;color:var(--accent);margin-top:8px;display:block}
@media(max-width:819px){
  .vs{grid-template-columns:1fr}
  .vs-rowlbl{padding:14px 20px 4px}
  .vs-head{min-height:0}
}

/* Pricing */
.price-grid{display:grid;gap:20px}
@media(min-width:900px){.price-grid{grid-template-columns:1fr 1fr}}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;display:flex;flex-direction:column}
.price-card.feature{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 20px 60px rgba(59,130,246,.06)}
.price-card .name{font-family:var(--f-display);font-weight:800;font-size:1.25rem}
.price-card .tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.price-amt{display:flex;align-items:baseline;gap:8px;margin:8px 0 4px}
.price-amt .amt{font-family:var(--f-display);font-weight:800;font-size:3rem;line-height:1;letter-spacing:-.02em}
.price-amt .per{font-family:var(--f-mono);color:var(--muted);font-size:.95rem}
.price-sub{font-size:.9rem;color:var(--muted);margin:6px 0 18px}
.feat-list{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:11px}
.feat-list li{display:flex;gap:11px;align-items:flex-start;font-size:.95rem;color:var(--ink-dim)}
.feat-list li svg{flex:0 0 auto;margin-top:3px;color:var(--accent)}
.price-card .btn{margin-top:auto}

/* Secondary add-ons strip (subordinate to the two package cards) */
.addons{display:grid;gap:14px;margin-top:22px}
@media(min-width:760px){.addons{grid-template-columns:1fr 1fr}}
.addon{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.addon .chip{margin-bottom:12px}
.addon p{font-size:.92rem;color:var(--muted);margin:0;line-height:1.5}
.addon a{white-space:nowrap;font-weight:600}
@media(hover:hover){.addon a:hover{text-decoration:underline}}

/* Calculator */
.calc{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.calc-grid{display:grid}
@media(min-width:860px){.calc-grid{grid-template-columns:1fr 1fr}}
.calc-in{padding:28px;border-bottom:1px solid var(--line)}
@media(min-width:860px){.calc-in{border-bottom:0;border-right:1px solid var(--line)}}
.calc-out{padding:28px;background:var(--bg-elev)}
.field{margin-bottom:22px}
.field label{display:flex;align-items:baseline;justify-content:space-between;font-family:var(--f-mono);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.field label .val{color:var(--accent);font-size:1.15rem;font-weight:700}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--line-2);border-radius:100px;outline-offset:6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;
  background:var(--accent);cursor:pointer;border:3px solid var(--bg)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--accent);cursor:pointer;border:3px solid var(--bg)}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:3px}
.seg button{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--muted);background:transparent;
  border:0;padding:9px 14px;border-radius:1px;cursor:pointer;min-height:40px}
.seg button[aria-pressed="true"]{background:var(--accent-deep);color:var(--accent-ink);font-weight:700}
.num-in{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);overflow:hidden;max-width:220px}
.num-in span{font-family:var(--f-mono);color:var(--muted);padding:0 4px 0 14px;font-size:.95rem}
.num-in input{background:transparent;border:0;color:var(--ink);font-family:var(--f-mono);font-size:1.05rem;padding:12px 14px 12px 4px;width:100%;outline:none}
.calc-out .oline{display:flex;align-items:baseline;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line)}
.calc-out .oline .k{font-size:.92rem;color:var(--muted)}
.calc-out .oline .v{font-family:var(--f-mono);font-weight:700;font-size:1.1rem;font-variant-numeric:tabular-nums}
.calc-total{margin-top:16px;padding-top:16px;border-top:1px solid var(--line-2)}
.calc-total .tot{font-family:var(--f-display);font-weight:800;font-size:2.4rem;letter-spacing:-.02em;color:var(--accent);line-height:1}
.calc-total .per{font-family:var(--f-mono);color:var(--muted);font-size:.9rem}
.est{margin-top:18px;padding:14px 16px;background:var(--accent-wash-2);border:1px solid var(--line);border-radius:var(--r)}
.est .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.est .v{font-family:var(--f-mono);font-weight:700;font-size:1.35rem;font-variant-numeric:tabular-nums;margin-top:4px}
.est small{color:var(--muted);display:block;margin-top:4px;font-size:.78rem}

/* Guarantee box */
.guarantee{background:linear-gradient(180deg,var(--accent-wash),transparent),var(--card);
  border:1px solid var(--accent);border-radius:var(--r-lg);padding:34px}
.terms{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:14px}
@media(min-width:720px){.terms{grid-template-columns:1fr 1fr}}
.terms li{display:flex;gap:12px;font-size:.94rem;color:var(--ink-dim)}
.terms li svg{flex:0 0 auto;margin-top:3px;color:var(--accent)}

/* Trust grid */
.trust-grid{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(min-width:720px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.trust-grid{grid-template-columns:repeat(4,1fr)}}
.trust-cell{background:var(--card);padding:24px}
.trust-cell .tk{font-family:var(--f-mono);font-size:12px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;display:block}
.trust-cell p{font-size:.92rem;color:var(--muted);margin:0}

/* FAQ */
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:24px 44px 24px 0;position:relative;
  font-family:var(--f-display);font-weight:700;font-size:1.12rem;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:22px;font-family:var(--f-mono);
  font-size:1.5rem;color:var(--accent);transition:transform var(--fast) var(--ease-out)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 0 26px;color:var(--muted);max-width:70ch}
.faq .ans p{color:var(--muted)}

/* Final CTA : inverted amber block (monochrome mutation) */
.final{background:var(--accent);color:var(--band-ink);border-radius:var(--r-lg)}
.final h2{color:var(--band-ink)}
.final .btn-primary{background:var(--band-ink);color:#eaf1ff}
.final .btn-secondary{border-color:rgba(8,18,31,.4);color:var(--band-ink)}
@media(hover:hover){.final .btn-primary:hover{background:#000}.final .btn-secondary:hover{border-color:var(--band-ink);color:var(--band-ink)}}

/* Footer */
.ftr{border-top:1px solid var(--line);padding:64px 0 40px}
.ftr-grid{display:grid;gap:36px}
@media(min-width:760px){.ftr-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.ftr h4{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:16px}
.ftr a{display:block;color:var(--ink-dim);text-decoration:none;padding:6px 0;font-size:.94rem}
@media(hover:hover){.ftr a:hover{color:var(--accent)}}
.ftr-note{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.ftr-note .dna{font-family:var(--f-mono);font-size:12.5px;color:var(--accent);letter-spacing:.04em}
.ftr-note small{color:var(--muted);font-family:var(--f-mono);font-size:12px}

/* Trust strip / meta rows */
.metarow{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-family:var(--f-mono);
  font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.metarow .d{color:var(--accent)}
.stat-line{font-family:var(--f-mono);color:var(--ink);font-size:.95rem;letter-spacing:.01em}
.stat-line b{color:var(--accent);font-weight:700}

/* Reveal on scroll. Hidden state gated behind .reveal-ready (set by JS),
   so no-JS visitors always see content. */
.reveal-ready [data-reveal]{opacity:0;transform:translateY(22px);
  transition:opacity var(--med) var(--ease-out),transform var(--med) var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}
.reveal-ready [data-reveal-group] > *{opacity:0;transform:translateY(22px);
  transition:opacity var(--med) var(--ease-out),transform var(--med) var(--ease-out)}
[data-reveal-group].in > *{opacity:1;transform:none}
[data-reveal-group].in > *:nth-child(2){transition-delay:70ms}
[data-reveal-group].in > *:nth-child(3){transition-delay:140ms}
[data-reveal-group].in > *:nth-child(4){transition-delay:210ms}
[data-reveal-group].in > *:nth-child(5){transition-delay:280ms}

/* Skip link */
.skip{position:absolute;left:-9999px;top:0;z-index:300;background:var(--accent-deep);color:var(--accent-ink);
  padding:12px 18px;font-weight:700;border-radius:var(--r)}
.skip:focus{left:16px;top:16px}

/* Section header helper */
.sect-head{max-width:64ch;margin-bottom:44px}
.sect-head .lede{margin-top:18px}

/* Page hero (subpages) */
.pagehead{padding:120px 0 56px}
@media(max-width:760px){.pagehead{padding:84px 0 40px}}
.pagehead h1{font-size:clamp(2.4rem,6vw,4.4rem)}

/* ============================================================
   FLOW + DEPTH LAYER  (added for cinematic rhythm and momentum)
   ============================================================ */

/* Top scroll-progress bar: connective, premium, purposeful */
.scrollbar{position:fixed;top:0;left:0;height:3px;width:0;z-index:300;
  background:linear-gradient(90deg,var(--accent),var(--accent-hi));
  box-shadow:0 0 14px rgba(59,130,246,.6);transition:width 90ms linear}

/* Static, brand-derived amber depth glow (never drifts) */
.lit{position:relative}
.lit::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(640px 540px at 84% -12%,rgba(59,130,246,.17),rgba(59,130,246,.04) 42%,transparent 66%)}
.lit.lit-left::after{background:radial-gradient(560px 520px at 10% 112%,rgba(59,130,246,.14),transparent 60%)}
.lit > .shell{position:relative;z-index:1}

/* Section tone rhythm replaces flat hr seams */
.tone-b{background:
  linear-gradient(180deg,rgba(255,255,255,.018),transparent 120px),
  var(--bg-elev)}
.tone-b::before,.tone-a::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2) 22%,var(--line-2) 78%,transparent)}

/* Drawn-in accent underline on section headers */
.sect-head .sect-h{position:relative}
.sect-head .sect-h::after{content:"";display:block;height:3px;width:0;margin-top:20px;
  background:linear-gradient(90deg,var(--accent),transparent);border-radius:2px;
  transition:width 700ms var(--ease-out) 120ms}
[data-reveal].in .sect-h::after,.in .sect-head .sect-h::after,
.sect-head[data-reveal].in .sect-h::after{width:120px}

/* Card life: lift + lit top edge on hover */
.card{position:relative;overflow:hidden;
  transition:transform var(--med) var(--ease-out),border-color var(--med) var(--ease-out),
             box-shadow var(--med) var(--ease-out)}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transform:scaleX(0);transform-origin:center;transition:transform var(--med) var(--ease-out)}
@media(hover:hover) and (pointer:fine){
  .card:hover{transform:translateY(-5px);border-color:var(--line-2);
    box-shadow:0 20px 50px rgba(0,0,0,.45)}
  .card:hover::before{transform:scaleX(1)}
  .price-card:hover{transform:translateY(-6px)}
  .trust-cell{transition:background var(--med) var(--ease-out)}
  .trust-cell:hover{background:var(--card-2)}
  .vs-cell.ours{transition:box-shadow var(--med) var(--ease-out)}
}

/* Primary button sheen on hover */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg);opacity:0}
@media(hover:hover) and (pointer:fine){
  .btn-primary:hover::after{opacity:1;animation:sheen 720ms var(--ease-out)}
}
@keyframes sheen{from{left:-60%}to{left:130%}}

/* Meter, elevated with an accent glow ring */
.meter{position:relative;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.meter::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(59,130,246,.14),0 0 40px rgba(59,130,246,.05)}

/* How-it-works pipeline: a flowing line linking the steps */
.pipeline{position:relative}
.pipeline .flowline{position:absolute;z-index:2;pointer-events:none;overflow:hidden;
  background:var(--line-2)}
.pipeline .flowline::after{content:"";position:absolute;background:
  linear-gradient(90deg,transparent,var(--accent),transparent)}
@media(min-width:900px){
  .pipeline .flowline{top:0;left:8%;right:8%;height:2px;transform:translateY(-1px)}
  .pipeline .flowline::after{top:0;left:0;height:100%;width:24%;animation:flowX 3.4s linear infinite}
}
@media(max-width:899px){
  .pipeline .flowline{display:none}
}
@keyframes flowX{from{left:-24%}to{left:104%}}
.step{transition:background var(--med) var(--ease-out)}
.step .sn{display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border:1px solid var(--line-2);border-radius:50%;
  font-size:12.5px;color:var(--accent);background:var(--bg)}
@media(hover:hover){.step:hover{background:var(--card-2)}}

/* Cinematic stat band */
.statband{position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--card-2),var(--bg-elev));border:1px solid var(--line)}
.statband .grid3{display:grid;gap:2px;background:var(--line)}
@media(min-width:820px){.statband .grid3{grid-template-columns:repeat(3,1fr)}}
.statband .cell{background:linear-gradient(180deg,var(--card),var(--bg-elev));padding:44px 32px}
.statband .huge{font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;line-height:.9;
  font-size:clamp(3.4rem,9vw,6rem);color:var(--accent);font-variant-numeric:tabular-nums}
.statband .huge .pre{font-size:.28em;font-weight:500;color:var(--muted);letter-spacing:.04em;
  display:block;margin-bottom:6px}
.statband .cap{margin-top:14px;color:var(--ink-dim);font-size:1rem;max-width:26ch}
.statband .kick{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* Richer reveal: rise + settle */
.reveal-ready [data-reveal]{transform:translateY(30px) scale(.985)}
.reveal-ready [data-reveal-group] > *{transform:translateY(30px) scale(.985)}

/* Pull-quote / closing line emphasis */
.bigline{font-family:var(--f-display);font-weight:800;letter-spacing:-.02em;
  font-size:clamp(1.5rem,3.4vw,2.4rem);line-height:1.12;max-width:24ch}
.bigline .tick{color:var(--accent)}

/* Directional reveals (variety, not just rise) */
.reveal-ready [data-reveal="left"]{transform:translateX(-42px)}
.reveal-ready [data-reveal="right"]{transform:translateX(42px)}
[data-reveal="left"].in,[data-reveal="right"].in{transform:none}

/* Amber statement band: the mid-page contrast punch */
.statement{background:var(--accent);color:var(--band-ink);border-radius:var(--r-lg);
  padding:clamp(40px,7vw,88px) clamp(26px,5vw,72px);position:relative;overflow:hidden}
.statement > *{position:relative;z-index:1}
.statement::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(11,11,18,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,11,18,.07) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(130% 110% at 100% 0,#000,transparent 68%);
          mask-image:radial-gradient(130% 110% at 100% 0,#000,transparent 68%)}
.statement .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(8,18,31,.94);display:block;margin-bottom:20px}
.statement h2{color:var(--band-ink);font-size:clamp(2rem,5vw,3.5rem);line-height:1.05;
  letter-spacing:-.02em;max-width:22ch}
.statement p{color:rgba(8,18,31,.94);max-width:58ch;margin:18px 0 0;font-size:1.06rem}

/* Bolder stat band */
.statband{box-shadow:0 30px 80px rgba(0,0,0,.5)}
.statband::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:2;
  background:linear-gradient(90deg,transparent,var(--accent),transparent)}
.statband .cell{position:relative}
[data-tilt]{will-change:transform}

/* Deeper layering on the hero meter stack */
.meter-stack{position:relative}
.meter-stack::before{content:"";position:absolute;inset:14px -10px -14px 18px;z-index:0;
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card-2);opacity:.5}
.meter-stack > *{position:relative;z-index:1}

/* Animated hero backdrop (canvas node-field, brand blue, subtle) */
.hero-fx{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.6}

/* Vertical process timeline with connecting spine + effect chips */
.vtimeline{position:relative;margin-top:12px}
.vstep{position:relative;padding:0 0 32px 66px;min-height:40px}
.vstep:last-child{padding-bottom:0}
.vspine{position:absolute;left:16px;top:10px;bottom:10px;width:2px;background:var(--line-2);overflow:hidden}
.vspine::after{content:"";position:absolute;left:0;top:0;width:100%;height:38%;
  background:linear-gradient(180deg,transparent,var(--accent),transparent);animation:flowY 3.6s linear infinite}
@keyframes flowY{0%{transform:translateY(-120%)}100%{transform:translateY(380%)}}
.vnode{position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;border:1px solid var(--accent);
  background:var(--bg-elev);color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-family:var(--f-mono);font-size:13px;font-weight:700;z-index:1}
.vstep h3{font-size:1.14rem;line-height:1.2;margin:4px 0 6px}
.vstep p{font-size:.95rem;color:var(--muted);margin:0 0 12px;max-width:62ch}
.vchip{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12px;
  color:var(--accent);background:var(--accent-wash);border:1px solid var(--line);border-radius:100px;padding:6px 14px}
.vchip::before{content:"\2192";color:var(--accent)}

/* Shared-brain network diagram */
.brainviz{position:relative;background:
  radial-gradient(120% 120% at 50% 46%,rgba(59,130,246,.06),transparent 60%),var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.brainviz svg{width:100%;height:auto;display:block;overflow:visible}
/* connecting links (draw in on reveal) */
.bv-link{stroke:var(--line-2);stroke-width:1.5;fill:none;stroke-dasharray:1;stroke-dashoffset:1;
  transition:stroke-dashoffset 1s var(--ease-out)}
.in .bv-link{stroke-dashoffset:0}
.bv-link.hot{stroke:var(--accent);stroke-width:2.5;filter:drop-shadow(0 0 4px rgba(59,130,246,.5))}
/* team nodes */
.bv-ring{fill:var(--bg-elev);stroke:var(--line-2);stroke-width:1.5;
  transition:fill .5s var(--ease-out),stroke .5s var(--ease-out)}
.bv-team.lit .bv-ring{fill:rgba(59,130,246,.16);stroke:var(--accent)}
.bv-team.solver .bv-ring{fill:rgba(59,130,246,.30);stroke:var(--accent);
  filter:drop-shadow(0 0 6px rgba(59,130,246,.45))}
.bv-person{fill:var(--muted);transition:fill .5s var(--ease-out)}
.bv-team.lit .bv-person,.bv-team.solver .bv-person{fill:var(--accent-hi)}
.bv-name{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;fill:var(--muted);
  text-anchor:middle;transition:fill .5s var(--ease-out)}
.bv-team.lit .bv-name,.bv-team.solver .bv-name{fill:var(--ink-dim)}
/* central hub */
.bv-core{fill:url(#bvcore);stroke:var(--accent);stroke-width:1.5;
  filter:drop-shadow(0 0 16px rgba(59,130,246,.35))}
.bv-core-lbl{fill:#fff;font-weight:700;font-size:12px;text-anchor:middle;font-family:var(--f-display)}
.bv-core-sub{fill:rgba(255,255,255,.72);font-size:8.5px;letter-spacing:.14em;text-anchor:middle;font-family:var(--f-mono)}
.bv-core-glow{fill:none;stroke:var(--accent);stroke-width:1.5}
/* traveling energy pulses */
.bv-flux{fill:var(--accent)}
.bv-flux.in-pulse{fill:var(--accent-hi)}
.bv-cap{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;fill:var(--muted);text-anchor:middle}

/* Sticky supporting panel beside the how-it-works timeline */
.how-aside{align-self:start}
@media(min-width:1024px){.how-aside{position:sticky;top:90px}}

/* Cost-over-time curve chart */
.chartcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 24px 20px;position:relative;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.chartcard .cx-title{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.costchart{width:100%;height:auto;display:block}
.cc-grid{stroke:var(--line);stroke-width:1}
.cc-axis{stroke:var(--line-2);stroke-width:1.5}
.cc-line{fill:none;stroke-linecap:round;stroke-linejoin:round}
.cc-old,.cc-new{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.5s var(--ease-out)}
.cc-old{stroke:var(--muted);stroke-width:2}
.cc-new{stroke:var(--accent);stroke-width:3.5;transition-delay:.25s}
.in .cc-old,.in .cc-new{stroke-dashoffset:0}
.cc-area{fill:url(#ccgrad);opacity:0;transition:opacity .9s var(--ease-out) 1s}
.in .cc-area{opacity:1}
.cc-dot{fill:var(--accent);opacity:0;transition:opacity .4s var(--ease-out) 1.5s}
.in .cc-dot{opacity:1}
.cc-dot-ring{fill:none;stroke:var(--accent);stroke-width:1.5;opacity:0;transition:opacity .4s var(--ease-out) 1.5s}
.in .cc-dot-ring{opacity:.5}
.cc-lbl{font-family:var(--f-mono);font-size:11px;fill:var(--muted);letter-spacing:.04em}
.cc-tag{font-family:var(--f-mono);font-size:12px;fill:var(--accent);opacity:0;transition:opacity .5s var(--ease-out) 1.3s}
.in .cc-tag{opacity:1}
.cc-legend{display:flex;gap:24px;margin-top:16px;flex-wrap:wrap}
.cc-legend span{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:12px;color:var(--ink-dim)}
.cc-legend i{width:24px;display:inline-block;border-top:2px solid var(--muted)}
.cc-legend .solid i{border-top:3px solid var(--accent)}
.cc-legend .dash i{border-top:2px dashed var(--muted)}

@media (prefers-reduced-motion: reduce){
  [data-parallax]{transform:none !important}
  .cc-old,.cc-new{stroke-dashoffset:0 !important}
  .cc-area,.cc-dot,.cc-dot-ring,.cc-tag{opacity:1 !important}
  .vspine::after{animation:none !important;display:none}
  .bv-link{stroke-dashoffset:0 !important}
  .bv-flux,.bv-core-glow{display:none !important}
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  [data-reveal],[data-reveal-group] > *{opacity:1 !important;transform:none !important}
  .live-dot i{animation:none !important}
  .pipeline .flowline::after{animation:none !important;display:none}
  .btn-primary::after{animation:none !important;display:none}
  .sect-head .sect-h::after{transition:none !important;width:120px !important}
  .scrollbar{transition:none !important}
}

@media print{
  .hdr,.sticky-cta,.m-menu,.burger,.final .btn{display:none !important}
  body{background:#fff;color:#000}
  body::before{display:none}
  a{color:#000}
}