/* Classic SEO — Canonical Signal shared stylesheet (navy/orange brand, mobile-first)
 * locked via flowscale channels/classic-seo/design.md
 */
:root{
  --paper:#FFFFFF; --paper2:#F4F6FA; --card:#FFFFFF;
  --navy:#2A2C66; --navy-deep:#1B1D45; --ink:#232560; --ink2:#3A3D4E; --slate:#6E7180; --slate2:#9A9DAC;
  --orange:#EC7A2C; --orange-bright:#F2904A; --orange-soft:#FBEADB;
  --green:#1E8E5A; --green-soft:#E4F1E8; --red:#C8392B; --red-soft:#F7E2DE;
  --navy-panel:#1B1D45; --navy-panel2:#252861; --on-dark:#EEF0F8; --on-dark-muted:rgba(238,240,248,0.68);
  --border:rgba(35,37,96,0.12); --border-hi:rgba(236,122,44,0.40); --border-dark:rgba(238,240,248,0.14);
  --radius:10px; --radius-lg:16px;
  --display:'Bricolage Grotesque','Helvetica Neue',Arial,sans-serif;
  --body:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono','SFMono-Regular',ui-monospace,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{overflow-x:clip}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--ink2);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:-.02em;color:var(--ink);overflow-wrap:anywhere;min-width:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:var(--mono)}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.15rem}
.narrow{max-width:760px}
section{padding:3.25rem 0}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--orange);font-weight:500}
.lede{font-size:1.08rem;color:var(--ink2);line-height:1.6}
.muted{color:var(--slate)}
.section-head{max-width:60ch}
.section-head h2{font-size:1.75rem;margin:.55rem 0 .7rem}
.sowhat{margin-top:1.5rem;padding-left:.9rem;border-left:3px solid var(--orange);max-width:60ch}
.sowhat b{font-family:var(--mono);font-weight:500;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--orange);display:block;margin-bottom:.25rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--body);font-weight:600;font-size:1rem;min-height:46px;padding:.7rem 1.25rem;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:transform .15s var(--ease),background .15s var(--ease),box-shadow .15s var(--ease);white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-bright);transform:translateY(-1px);box-shadow:0 6px 20px rgba(236,122,44,.28)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--navy);transform:translateY(-1px)}
.btn-dark{background:#fff;color:var(--navy)}
.btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px}

header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:.75rem}
.brand img{height:28px;width:auto}
.navlinks{display:none}
.nav .btn{min-height:40px;padding:.5rem .9rem;font-size:.9rem}

.hero{padding-top:2.5rem}
.hero h1{font-size:2.5rem;font-weight:800;margin:.9rem 0 1rem;color:var(--ink)}
.hero .lede{font-size:1.1rem;max-width:42ch}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.5rem}
.hero .cta-row .btn{flex:1 1 auto;min-width:0}
.hero .micro{margin-top:.9rem;font-size:.9rem;color:var(--slate)}
.hero .micro a{color:var(--orange);font-weight:600}

/* tool logo strip */
.logostrip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--paper2)}
.logostrip .wrap{padding-top:1.6rem;padding-bottom:1.6rem}
.logostrip .eyebrow{text-align:center;display:block;color:var(--slate);margin-bottom:1.1rem}
.logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:1.4rem 2rem}
.logos img{height:22px;width:auto;filter:grayscale(1);opacity:.55;transition:opacity .2s var(--ease),filter .2s var(--ease)}
.logos img:hover{opacity:.9;filter:grayscale(.2)}
.logos .tw{font-family:var(--mono);font-size:.82rem;color:var(--slate);opacity:.6;letter-spacing:.02em;white-space:nowrap}

.diag{margin-top:2rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 18px 44px -26px rgba(35,37,96,.32);overflow:hidden}
.diag-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.65rem .9rem;border-bottom:1px solid var(--border);background:var(--paper2)}
.diag-head .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:var(--slate)}
.diag-head .live{font-family:var(--mono);font-size:.68rem;color:var(--green);display:flex;align-items:center;gap:.35rem;white-space:nowrap}
.diag-head .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);flex:none}
.diag-body{padding:1rem}
.prompt{font-family:var(--mono);font-size:.86rem;background:var(--paper2);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem .8rem;color:var(--ink)}
.prompt .q{color:var(--slate2);font-size:.66rem;text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:.3rem}
.answer{margin-top:.85rem;font-size:.9rem;color:var(--ink2);line-height:1.55}
.answer .nm{font-weight:600;color:var(--navy)}
.chip{display:inline-flex;align-items:center;gap:.3rem;font-family:var(--mono);font-size:.68rem;font-weight:500;padding:.18rem .5rem;border-radius:99px}
.chip.bad{background:var(--red-soft);color:var(--red)}
.absent{margin-top:.7rem;display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--slate)}
.metrics{margin-top:.9rem;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr}
.metric{padding:.75rem .85rem;border-bottom:1px solid var(--border)}
.metric:nth-child(odd){border-right:1px solid var(--border)}
.metric .v{font-family:var(--display);font-weight:700;font-size:1.4rem;line-height:1}
.metric .v.bad{color:var(--red)} .metric .v.warn{color:var(--orange)}
.metric .l{font-size:.74rem;color:var(--slate);margin-top:.3rem;line-height:1.3}

.band{background:var(--paper2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 1rem;margin-top:1.75rem}
.stat .n{font-family:var(--display);font-weight:800;font-size:2.1rem;line-height:1;color:var(--navy)}
.stat .d{margin-top:.45rem;font-size:.9rem;color:var(--ink2);line-height:1.4}
.stat .src{margin-top:.35rem;font-family:var(--mono);font-size:.68rem;color:var(--slate2)}

.funnel{display:grid;grid-template-columns:1fr;gap:.6rem;margin-top:1.75rem}
.fstep{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.9rem 1rem;display:flex;align-items:center;gap:.8rem}
.fstep .i{font-family:var(--mono);font-size:.7rem;color:var(--orange);font-weight:500;flex:none;width:1.6rem}
.fstep .t{font-family:var(--display);font-weight:700;font-size:1.02rem;color:var(--ink)}
.layers{margin-top:1.25rem;display:grid;gap:.6rem}
.layer{display:flex;gap:.7rem;align-items:flex-start;font-size:.92rem;color:var(--ink2)}
.layer b{color:var(--navy);font-weight:600}
.layer .k{font-family:var(--mono);font-size:.7rem;color:var(--orange);flex:none;margin-top:.15rem}

/* lifestyle band */
.lifestyle{display:grid;grid-template-columns:1fr;gap:1.5rem;align-items:center;margin-top:0}
.lifestyle img{border-radius:var(--radius-lg);width:100%;height:auto;box-shadow:0 18px 44px -28px rgba(35,37,96,.4)}
.lifestyle .lt h2{font-size:1.6rem;margin:.5rem 0 .7rem}

.pillars{display:grid;grid-template-columns:1fr;gap:.9rem;margin-top:1.75rem}
.pillar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;border-top:3px solid var(--orange)}
.pillar .num{font-family:var(--mono);font-size:.72rem;color:var(--orange);font-weight:500}
.pillar h3{font-size:1.2rem;margin:.4rem 0 .45rem}
.pillar p{color:var(--ink2);font-size:.93rem;line-height:1.55}

.report{background:var(--navy-panel);color:var(--on-dark);border-radius:var(--radius-lg);overflow:hidden}
.report-inner{padding:1.6rem 1.25rem}
.report .eyebrow{color:var(--orange-bright)}
.report h2{color:#fff;font-size:1.7rem;margin:.55rem 0 .7rem}
.report .lede{color:var(--on-dark-muted)}
.report-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--border-dark);border:1px solid var(--border-dark);border-radius:var(--radius);margin-top:1.5rem;overflow:hidden}
.rcell{background:var(--navy-panel2);padding:1.05rem}
.rcell .h{font-family:var(--display);font-weight:700;font-size:1rem;color:#fff;display:flex;gap:.5rem;align-items:baseline}
.rcell .h .k{font-family:var(--mono);font-size:.7rem;color:var(--orange-bright);font-weight:500}
.rcell p{color:var(--on-dark-muted);font-size:.86rem;margin-top:.35rem;line-height:1.5}
.report .note{margin-top:1.5rem;font-size:.92rem;color:var(--on-dark-muted)}
.report .note b{color:#fff}

.qwrap{margin-top:1.75rem;display:grid;gap:.55rem}
.qrow{display:flex;gap:.6rem;align-items:baseline;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.7rem .85rem}
.qrow .qi{font-family:var(--mono);font-size:.7rem;color:var(--orange);flex:none}
.qrow .qt{font-size:.92rem;color:var(--ink)}
.qrow .qv{margin-left:auto;font-family:var(--mono);font-size:.7rem;color:var(--slate2);white-space:nowrap;padding-left:.5rem}
.qsrc{margin-top:.8rem;font-family:var(--mono);font-size:.7rem;color:var(--slate2)}

.who-grid{display:grid;grid-template-columns:1fr;gap:.85rem;margin-top:1.75rem}
.who-item{border-left:3px solid var(--orange);padding:.15rem 0 .15rem .9rem}
.who-item h4{font-size:1.05rem;color:var(--navy)}
.who-item p{font-size:.88rem;color:var(--slate);margin-top:.2rem}

.price-grid{display:grid;grid-template-columns:1fr;gap:.75rem;margin-top:1.75rem}
.pcard{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.15rem;display:flex;flex-direction:column}
.pcard.feat{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange)}
.pcard .nm{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--slate)}
.pcard .pr{font-family:var(--display);font-weight:800;font-size:1.5rem;color:var(--navy);margin:.45rem 0 .15rem}
.pcard .pr small{font-size:.78rem;font-weight:500;color:var(--slate)}
.pcard .ds{font-size:.86rem;color:var(--ink2);line-height:1.45;flex:1;margin:.45rem 0 .85rem}
.pcard .pc{font-size:.86rem;font-weight:600;color:var(--orange)}
.pill-tag{display:inline-block;font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.04em;color:#fff;background:var(--orange);padding:.15rem .5rem;border-radius:99px;margin-bottom:.5rem;width:fit-content}

/* case studies */
.proof-lead{display:grid;grid-template-columns:1fr;gap:.9rem;margin-top:1.75rem}
.case{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem}
.case .v{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--orange)}
.case h3{font-size:1.25rem;margin:.35rem 0 .15rem;color:var(--navy)}
.case .seg{font-size:.86rem;color:var(--slate)}
.case .caselist{list-style:none;margin:.9rem 0 0;padding:0}
.case .caselist li{font-size:.92rem;color:var(--ink2);padding:.4rem 0;border-top:1px solid var(--border)}
.case .caselist li b{font-family:var(--display);font-weight:700;color:var(--navy);font-size:1.05rem;margin-right:.35rem}
.case .srcline{margin-top:.8rem;font-family:var(--mono);font-size:.7rem;color:var(--slate2)}
.proof-band{margin-top:1.1rem;border-top:1px solid var(--border);padding-top:1.1rem;font-size:.9rem;color:var(--slate)}
.proof-band b{color:var(--ink2);font-weight:600;display:block;margin-bottom:.4rem}
.eng-row{display:flex;flex-wrap:wrap;gap:.5rem}
.eng-row span{font-family:var(--mono);font-size:.78rem;color:var(--ink2);background:var(--paper2);border:1px solid var(--border);border-radius:99px;padding:.3rem .7rem}

.story{background:var(--navy-panel);color:var(--on-dark);border-radius:var(--radius-lg);padding:1.75rem 1.35rem}
.story .eyebrow{color:var(--orange-bright)}
.story h2{color:#fff;font-size:1.7rem;max-width:18ch}
.story p{color:var(--on-dark-muted);font-size:1.02rem;line-height:1.65;max-width:58ch;margin-top:1rem}
.story .punch{color:#fff;font-weight:600}

.faq{margin-top:1.5rem;border-top:1px solid var(--border)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{cursor:pointer;list-style:none;padding:1.05rem 0;font-family:var(--display);font-weight:700;font-size:1.05rem;color:var(--ink);display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary .x{color:var(--orange);font-family:var(--mono);transition:transform .2s var(--ease);flex:none}
.faq details[open] summary .x{transform:rotate(45deg)}
.faq .a{padding:0 0 1.1rem;color:var(--ink2);max-width:68ch;font-size:.96rem}

.final{text-align:center}
.final h2{font-size:2rem;max-width:20ch;margin:.5rem auto .8rem;color:var(--ink)}
.final .lede{max-width:52ch;margin:0 auto}
.final .cta-row{display:flex;flex-wrap:wrap;gap:.65rem;justify-content:center;margin-top:1.6rem}

/* inner page hero + breadcrumb + article */
.page-hero{padding:2.5rem 0 1.5rem}
.breadcrumb{font-family:var(--mono);font-size:.74rem;color:var(--slate2);margin-bottom:.7rem}
.breadcrumb a{color:var(--orange)}
.page-hero h1{font-size:2.2rem;color:var(--ink);margin-bottom:.6rem}
.page-hero .lede{max-width:60ch}
.article{max-width:760px;margin:0 auto}
.article p{margin:1rem 0;color:var(--ink2);font-size:1.05rem;line-height:1.75}
.article h2{font-size:1.6rem;margin:2.2rem 0 .8rem}
.article h3{font-size:1.25rem;margin:1.6rem 0 .6rem}
.article ul,.article ol{margin:1rem 0 1rem 1.2rem;color:var(--ink2)}
.article li{margin:.4rem 0;line-height:1.6}
.article .key{background:var(--orange-soft);border-left:3px solid var(--orange);padding:1rem 1.1rem;border-radius:var(--radius);margin:1.5rem 0;font-size:1rem}
.post-meta{font-family:var(--mono);font-size:.76rem;color:var(--slate2);margin:.5rem 0 1.5rem}
.post-list{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.75rem}
.post-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem;transition:transform .15s var(--ease),box-shadow .15s var(--ease)}
.post-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px -20px rgba(35,37,96,.4)}
.post-card .cat{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--orange)}
.post-card h3{font-size:1.25rem;margin:.4rem 0 .4rem}
.post-card p{font-size:.92rem;color:var(--slate)}
.post-card .rm{margin-top:.7rem;font-size:.85rem;font-weight:600;color:var(--orange)}

footer{background:var(--navy-deep);color:var(--on-dark);padding:2.5rem 0}
.foot{display:grid;gap:1.25rem}
.foot img{height:34px;width:auto}
.foot .tagline{font-size:.88rem;color:var(--on-dark-muted);margin-top:.6rem;max-width:34ch}
.foot nav{display:flex;flex-wrap:wrap;gap:1rem;font-size:.9rem}
.foot nav a{color:var(--on-dark-muted)} .foot nav a:hover{color:var(--orange-bright)}
.foot .cr{padding-top:1.25rem;border-top:1px solid var(--border-dark);font-size:.78rem;color:var(--slate2)}
.foot .cr a{color:var(--on-dark-muted)} .foot .cr a:hover{color:var(--orange-bright)}

/* anonymized growth chart figure */
.growthfig{margin-top:1.5rem;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--card);box-shadow:0 14px 40px -28px rgba(35,37,96,.32)}
.growthfig img{width:100%;height:auto;display:block}
.growthfig figcaption{padding:.75rem 1rem;font-family:var(--mono);font-size:.74rem;color:var(--slate);border-top:1px solid var(--border);display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.growthfig figcaption b{color:var(--green);font-weight:600}

.rv{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.btn:hover{transform:none}}

@media(min-width:680px){
  section{padding:4.5rem 0}
  .wrap{padding:0 1.5rem}
  .section-head h2{font-size:2.2rem}
  .navlinks{display:flex;align-items:center;gap:1.5rem}
  .navlinks a{font-size:.92rem;color:var(--ink2);font-weight:500}
  .navlinks a:hover{color:var(--orange)}
  .brand img{height:30px}
  .hero h1{font-size:3.4rem}
  .hero .cta-row .btn{flex:0 0 auto}
  .logos img{height:26px}
  .stat-grid{grid-template-columns:repeat(4,1fr)}
  .stat .n{font-size:2.6rem}
  .funnel{grid-template-columns:1fr 1fr}
  .lifestyle{grid-template-columns:1.1fr .9fr;gap:2.5rem}
  .lifestyle.flip .lt{order:2}
  .lifestyle .lt h2{font-size:2rem}
  .pillars{grid-template-columns:1fr 1fr}
  .report-grid{grid-template-columns:1fr 1fr}
  .report-inner{padding:2.5rem}
  .report h2{font-size:2.1rem}
  .who-grid{grid-template-columns:1fr 1fr}
  .price-grid{grid-template-columns:1fr 1fr}
  .proof-lead{grid-template-columns:1fr 1fr}
  .story{padding:2.75rem 2.5rem}
  .story h2{font-size:2.2rem}
  .final h2{font-size:2.6rem}
  .page-hero h1{font-size:3rem}
  .post-list{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1.3fr 1fr;align-items:start}
  .foot .cr{grid-column:1/-1}
}
@media(min-width:1000px){
  section{padding:5.5rem 0}
  .section-head h2{font-size:2.6rem}
  .hero{padding-top:3.5rem}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
  .hero h1{font-size:4.6rem}
  .diag{margin-top:0}
  .logos{gap:1.5rem 2.75rem}
  .funnel{grid-template-columns:repeat(5,1fr)}
  .fstep{flex-direction:column;align-items:flex-start;gap:.5rem;min-height:96px}
  .layers{grid-template-columns:repeat(3,1fr);gap:1rem}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .pillar.wide{grid-column:1/-1}
  .price-grid{grid-template-columns:repeat(5,1fr)}
  .post-list{grid-template-columns:repeat(3,1fr)}
}