/* Cevelar content pages + use-case showcase
   NOTE: do NOT zero `main > section` padding here.
   `.content-page main > section { padding:0 }` (0,1,2) beats
   `.cvUc-*` (0,1,0) and collapses all use-case section spacing. */
.content-page main{padding:0}
.content-page .site-header{border-bottom-color:var(--cvl-border)}

/* ---------- Hero ---------- */
.content-page .content-hero{
  --uc-ease:cubic-bezier(.16,1,.3,1);
  position:relative;
  padding:clamp(80px,12vh,128px) 0 clamp(88px,14vh,152px);
  overflow:visible;
  background:
    radial-gradient(ellipse 70% 80% at 100% 0%, rgba(20,57,110,.08), transparent 55%),
    radial-gradient(ellipse 50% 60% at 0% 100%, rgba(255,117,20,.04), transparent 50%),
    linear-gradient(180deg, #F4F7FB 0%, var(--cvl-white) 78%);
  border-bottom:1px solid var(--cvl-border);
}
.content-hero > .wrap{display:flex;flex-direction:column}
.content-hero .crumb{
  margin:0 0 36px;
  font-family:var(--cvl-font-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--cvl-muted);
}
.content-hero .crumb a{color:var(--cvl-slate);text-decoration:none}
.content-hero .crumb a:hover{color:var(--cvl-ink)}
.content-hero .crumb .sep{margin:0 8px;opacity:.4}

.content-hero-shell{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);
  gap:clamp(48px,7vw,88px);
  align-items:start;
}
.content-hero-shell:not(:has(.content-hero-panel)){
  grid-template-columns:1fr;max-width:820px;
}
.content-hero-label{
  margin:0 0 16px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.content-hero h1{
  margin:0;font-family:var(--cvl-font-display);
  font-size:clamp(36px,5.4vw,58px);line-height:1.08;letter-spacing:-.028em;
  font-weight:600;max-width:18ch;color:var(--cvl-ink);text-wrap:balance;
}
.content-hero .lede{
  margin:24px 0 0;max-width:46ch;
  font-size:clamp(17px,1.8vw,20px);line-height:1.6;color:var(--cvl-slate);
}
.content-hero-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:36px;
}
.content-hero-actions .btn{min-height:46px;padding:0 20px;font-size:15px}
.content-hero-signals{
  list-style:none;margin:36px 0 0;padding:24px 0 0;
  border-top:1px solid var(--cvl-border);
  display:flex;flex-wrap:wrap;gap:12px 24px;
}
.content-hero-signals li{
  font-family:var(--cvl-font-mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cvl-muted);
  display:inline-flex;align-items:center;gap:8px;
}
.content-hero-signals li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--cvl-gap);flex-shrink:0;
}
.content-hero-panel{
  border:1px solid var(--cvl-border);background:var(--cvl-white);border-radius:8px;
  padding:32px 28px 28px;box-shadow:0 22px 48px -30px rgba(14,21,32,.4);margin-top:4px;
}
.content-hero-panel-label{
  margin:0 0 22px;font-family:var(--cvl-font-mono);font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.content-hero-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.content-hero-steps li{
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;
  padding:18px 0;border-top:1px solid var(--cvl-border);
}
.content-hero-steps li:first-child{border-top:0;padding-top:0}
.content-hero-steps li:last-child{padding-bottom:0}
.content-hero-step-n{
  font-family:var(--cvl-font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--cvl-blue);padding-top:3px;
}
.content-hero-step-t{
  display:block;font-size:16px;font-weight:500;color:var(--cvl-ink);
  letter-spacing:-.01em;margin-bottom:5px;
}
.content-hero-step-d{display:block;font-size:14px;line-height:1.5;color:var(--cvl-muted)}

/* Hero entrance */
.content-hero [data-anim]{
  opacity:0;transform:translateY(18px);
  animation:ucRise .85s var(--uc-ease) forwards;
}
.content-hero .crumb{animation-delay:.05s}
.content-hero-label{animation-delay:.12s}
.content-hero h1{animation-delay:.2s}
.content-hero .lede{animation-delay:.3s}
.content-hero-actions{animation-delay:.4s}
.content-hero-signals{animation-delay:.5s}
.content-hero-panel{animation-delay:.28s}
@keyframes ucRise{
  to{opacity:1;transform:none}
}

.content-hero-kicker{
  margin:18px 0 0;font-family:var(--cvl-font-mono);font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--cvl-muted);
}

/* ---------- Legacy article body (standards pages) ---------- */
.content-page .content-body{padding:clamp(64px,10vh,104px) 0 96px}
.content-body .article{max-width:720px}
.content-body h2{
  margin:48px 0 14px;font-family:var(--cvl-font-display);
  font-size:clamp(24px,2.8vw,30px);line-height:1.15;letter-spacing:-.02em;
  font-weight:600;color:var(--cvl-ink);
}
.content-body h2:first-child{margin-top:0}
.content-body p,.content-body li{color:var(--cvl-slate);font-size:17px;line-height:1.7}
.content-body p{margin:0 0 16px}
.content-body ul,.content-body ol{margin:0 0 20px;padding-left:1.25rem}
.content-body li{margin:.4rem 0}
.content-body li strong,.content-body p strong{color:var(--cvl-ink);font-weight:500}
.content-body .answer{
  margin:0 0 36px;padding:0;border:0;color:var(--cvl-ink);
  font-size:clamp(17px,1.7vw,19px);line-height:1.65;max-width:48ch;
}
.content-body .fact{
  margin:20px 0 28px;padding:16px 18px;border:1px solid var(--cvl-border);
  border-radius:var(--cvl-radius-card);background:var(--cvl-surface);
  color:var(--cvl-slate);font-size:15px;line-height:1.6;
}
.content-body .fact strong{color:var(--cvl-gap-text);font-weight:500}
.content-body .stat{
  display:grid;grid-template-columns:1fr 1fr;gap:0;margin:8px 0;
  border:1px solid var(--cvl-border);border-radius:8px;overflow:hidden;background:var(--cvl-white);
}
.content-body .stat > div{padding:22px 24px}
.content-body .stat > div + div{border-left:1px solid var(--cvl-border)}
.content-body .stat strong{
  display:block;font-family:var(--cvl-font-display);font-size:clamp(22px,2.4vw,28px);
  font-weight:600;letter-spacing:-.025em;color:var(--cvl-ink);margin-bottom:8px;
}
.content-body .stat span{
  font-family:var(--cvl-font-mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cvl-muted);line-height:1.4;
}
.content-howto{
  list-style:none;margin:0 0 8px;padding:0;border-top:1px solid var(--cvl-ink);
}
.content-howto li{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;
  margin:0;padding:22px 0;border-bottom:1px solid var(--cvl-border);
}
.content-howto-n{
  font-family:var(--cvl-font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--cvl-muted);padding-top:4px;
}
.content-howto-t{
  display:block;font-family:var(--cvl-font-display);font-size:clamp(18px,2vw,22px);
  font-weight:600;letter-spacing:-.02em;color:var(--cvl-ink);margin-bottom:6px;
}
.content-howto-d{display:block;font-size:15px;line-height:1.55;color:var(--cvl-slate);max-width:48ch}
.content-body table{width:100%;border-collapse:collapse;margin:8px 0;font-size:15px}
.content-body th,.content-body td{
  border:0;border-bottom:1px solid var(--cvl-border);padding:14px 12px 14px 0;
  text-align:left;vertical-align:top;color:var(--cvl-slate);
}
.content-body th{
  font-family:var(--cvl-font-mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cvl-muted);background:transparent;font-weight:500;padding-top:0;
}
.content-body td:first-child,.content-body th:first-child{color:var(--cvl-ink);font-weight:500;width:28%}
.content-body tbody tr:last-child td{border-bottom:0}
.content-related{
  margin-top:64px;padding-top:28px;border-top:1px solid var(--cvl-border);
}
.content-related .label{
  margin:0 0 14px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.1em;text-transform:uppercase;color:var(--cvl-muted);
}
.content-related .links{display:flex;flex-wrap:wrap;gap:10px 18px}
.content-related a{
  font-size:14px;font-weight:500;color:var(--cvl-blue);text-decoration:none;
  border-bottom:1px solid transparent;
}
.content-related a:hover{color:var(--cvl-ink);border-bottom-color:var(--cvl-ink)}

/* =========================================================
   Use-case showcase (validation-planning etc.)
   ========================================================= */
.cvUc{
  --uc-ease:cubic-bezier(.16,1,.3,1);
  --uc-dark:#0E1520;
  --uc-body:#A8B4C4;
  --uc-muted:#7A8798;
  --uc-line:rgba(255,255,255,.12);
  font-family:var(--cvl-font-sans);
}
.cvUc *,.cvUc *::before,.cvUc *::after{box-sizing:border-box}

.cvUc [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .75s var(--uc-ease),transform .75s var(--uc-ease);
}
.cvUc [data-reveal][data-in="1"]{opacity:1;transform:none}

/* Metrics */
.content-page .cvUc-metrics{
  padding:var(--cvl-sec-pad) 0;
  background:var(--cvl-white);
  border-bottom:1px solid var(--cvl-border);
}
.cvUc-metrics-shell{
  display:grid;grid-template-columns:minmax(240px,.85fr) minmax(0,1.25fr);
  gap:clamp(40px,6vw,80px);align-items:end;
}
.cvUc-metrics-label{
  margin:0 0 14px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.cvUc-metrics-title{
  margin:0;font-family:var(--cvl-font-display);font-size:clamp(32px,4vw,48px);
  font-weight:600;letter-spacing:-.025em;line-height:1.12;color:var(--cvl-ink);max-width:16ch;
}
.cvUc-metrics-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-top:1px solid var(--cvl-ink);
}
.cvUc-metric{
  padding:36px 20px 28px 0;
}
.cvUc-metric + .cvUc-metric{padding-left:36px;border-left:1px solid var(--cvl-border)}
.cvUc-metric-v{
  display:block;font-family:var(--cvl-font-display);font-size:clamp(30px,3.6vw,44px);
  font-weight:600;letter-spacing:-.03em;line-height:1.15;color:var(--cvl-ink);margin-bottom:14px;
}
.cvUc-metric-v em{
  font-style:normal;color:var(--cvl-gap);font-size:.58em;margin:0 8px;vertical-align:baseline;
}
.cvUc-metric-k{
  display:block;font-family:var(--cvl-font-mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cvl-muted);line-height:1.5;max-width:22ch;
}

/* Flow */
.content-page .cvUc-flow{
  padding:var(--cvl-sec-pad) 0;
  background:var(--cvl-white);
}
.cvUc-flow-shell{
  display:grid;grid-template-columns:minmax(260px,.9fr) minmax(0,1.2fr);
  gap:clamp(48px,7vw,96px);align-items:start;
}
.cvUc-flow-left{position:sticky;top:calc(var(--cvl-header-h) + 36px);padding-right:12px}
.cvUc-flow-label{
  margin:0 0 14px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.cvUc-flow-title{
  margin:0 0 18px;font-family:var(--cvl-font-display);font-size:clamp(34px,4.2vw,52px);
  font-weight:600;letter-spacing:-.025em;line-height:1.1;color:var(--cvl-ink);max-width:14ch;
}
.cvUc-flow-lead{
  margin:0;font-size:var(--cvl-fs-lead);line-height:1.55;color:var(--cvl-slate);max-width:38ch;
}
.cvUc-flow-index{border-top:1px solid var(--cvl-ink)}
.cvUc-flow-row{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  padding:34px 8px 34px 0;border-bottom:1px solid var(--cvl-border);
  opacity:0;
  transition:opacity .55s var(--uc-ease),transform .25s var(--uc-ease);
}
.cvUc-flow[data-in="1"] .cvUc-flow-row{opacity:1;transform:none}
.cvUc-flow[data-in="1"] .cvUc-flow-row:nth-child(1){transition-delay:.06s,0s}
.cvUc-flow[data-in="1"] .cvUc-flow-row:nth-child(2){transition-delay:.14s,0s}
.cvUc-flow[data-in="1"] .cvUc-flow-row:nth-child(3){transition-delay:.22s,0s}
.cvUc-flow[data-in="1"] .cvUc-flow-row:nth-child(4){transition-delay:.30s,0s}
.cvUc-flow-n{
  font-family:var(--cvl-font-mono);font-size:13px;letter-spacing:.08em;
  color:var(--cvl-muted);padding-top:8px;
  transition:color .25s ease;
}
@media (hover:hover) and (pointer:fine){
  .cvUc-flow[data-in="1"] .cvUc-flow-row:hover{transform:translateX(8px)}
  .cvUc-flow-row:hover .cvUc-flow-n{color:var(--cvl-gap)}
}
.cvUc-flow-t{
  display:block;font-family:var(--cvl-font-display);font-size:clamp(24px,2.6vw,30px);
  font-weight:600;letter-spacing:-.02em;color:var(--cvl-ink);margin-bottom:10px;
}
.cvUc-flow-d{display:block;font-size:17px;line-height:1.65;color:var(--cvl-slate);max-width:48ch}

/* Compare dark band */
.content-page .cvUc-compare{
  padding:var(--cvl-sec-pad) 0;
  background:var(--uc-dark);color:#fff;overflow:visible;
  position:relative;
}
.cvUc-compare::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 90% 0%, rgba(155,182,214,.14), transparent 55%);
}
.cvUc-compare-shell{position:relative;z-index:1}
.cvUc-compare-head{max-width:28ch;margin-bottom:clamp(44px,6vw,72px)}
.cvUc-compare-label{
  margin:0 0 14px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--uc-muted);
}
.cvUc-compare-title{
  margin:0;font-family:var(--cvl-font-display);font-size:clamp(34px,4.2vw,52px);
  font-weight:600;letter-spacing:-.025em;line-height:1.1;
}
.cvUc-compare-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-top:1px solid rgba(255,255,255,.28);
}
.cvUc-col{padding:36px 36px 12px 0}
.cvUc-col + .cvUc-col{padding-left:36px;border-left:1px solid var(--uc-line)}
.cvUc-col-h{
  margin:0 0 24px;font-family:var(--cvl-font-mono);font-size:12px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--uc-muted);
}
.cvUc-col[data-tone="on"] .cvUc-col-h{color:var(--cvl-gap)}
.cvUc-col-list{list-style:none;margin:0;padding:0}
.cvUc-col-list li{
  display:grid;grid-template-columns:minmax(120px,140px) minmax(0,1fr);gap:18px;
  padding:22px 0;border-bottom:1px solid var(--uc-line);
  font-size:16px;line-height:1.5;
}
.cvUc-col-list li:last-child{border-bottom:0}
.cvUc-col-k{font-family:var(--cvl-font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--uc-muted);padding-top:3px}
.cvUc-col-v{color:var(--uc-body);font-weight:500}
.cvUc-col[data-tone="on"] .cvUc-col-v{color:#fff}

/* Audience */
.content-page .cvUc-audience{
  padding:var(--cvl-sec-pad) 0;
  background:var(--cvl-white);
  border-bottom:1px solid var(--cvl-border);
}
.cvUc-audience-shell{max-width:820px}
.cvUc-audience-label{
  margin:0 0 22px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.cvUc-audience-quote{
  margin:0 0 32px;font-family:var(--cvl-font-display);
  font-size:clamp(32px,4.2vw,52px);font-weight:600;letter-spacing:-.025em;
  line-height:1.15;color:var(--cvl-ink);max-width:22ch;
}
.cvUc-audience-body{
  margin:0 0 40px;font-size:clamp(17px,1.8vw,20px);line-height:1.65;
  color:var(--cvl-slate);max-width:52ch;
}
.cvUc-audience-actions{display:flex;flex-wrap:wrap;gap:14px}
.cvUc-audience-actions .btn{min-height:48px;padding:0 22px;font-size:15px}

/* Related */
.content-page .cvUc-related{
  padding:var(--cvl-sec-pad) 0;
  background:var(--cvl-surface);
}
.cvUc-related-shell{
  display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.3fr);
  gap:clamp(40px,6vw,80px);align-items:start;
}
.cvUc-related-label{
  margin:0 0 14px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.cvUc-related-title{
  margin:0;font-family:var(--cvl-font-display);font-size:clamp(32px,4vw,48px);
  font-weight:600;letter-spacing:-.025em;line-height:1.12;color:var(--cvl-ink);max-width:14ch;
}
.cvUc-related-index{border-top:1px solid var(--cvl-ink)}
.cvUc-related-row{
  display:grid;grid-template-columns:minmax(0,1fr) 40px;gap:20px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--cvl-border);
  text-decoration:none;color:inherit;
  transition:transform .25s var(--uc-ease);
  min-height:56px;
}
.cvUc-related-name{
  font-family:var(--cvl-font-display);font-size:clamp(20px,2.2vw,26px);
  font-weight:600;letter-spacing:-.02em;color:var(--cvl-ink);
  transition:color .25s ease;
}
.cvUc-related-arrow{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--cvl-border);
  display:grid;place-items:center;color:var(--cvl-ink);
  transition:transform .3s var(--uc-ease),background .25s ease,border-color .25s ease,color .25s ease;
}
.cvUc-related-arrow svg{width:14px;height:14px}
@media (hover:hover) and (pointer:fine){
  .cvUc-related-row:hover{transform:translateX(8px)}
  .cvUc-related-row:hover .cvUc-related-name{color:var(--cvl-blue)}
  .cvUc-related-row:hover .cvUc-related-arrow{
    transform:translateX(3px);background:var(--cvl-ink);border-color:var(--cvl-ink);color:#fff;
  }
}

/* Closing CTA */
.content-page .cvUc-cta{
  padding:var(--cvl-sec-pad) 0;
  background:
    radial-gradient(ellipse 70% 80% at 0% 100%, rgba(20,57,110,.1), transparent 55%),
    var(--cvl-white);
  border-top:1px solid var(--cvl-border);
}
.cvUc-cta-shell{max-width:720px}
.cvUc-cta-label{
  margin:0 0 14px;font-family:var(--cvl-font-mono);font-size:var(--cvl-fs-label);
  letter-spacing:.14em;text-transform:uppercase;color:var(--cvl-muted);
}
.cvUc-cta-title{
  margin:0 0 20px;font-family:var(--cvl-font-display);font-size:clamp(34px,4.4vw,56px);
  font-weight:600;letter-spacing:-.028em;line-height:1.1;color:var(--cvl-ink);max-width:16ch;
}
.cvUc-cta-lead{
  margin:0 0 36px;font-size:clamp(17px,1.8vw,20px);line-height:1.6;
  color:var(--cvl-slate);max-width:46ch;
}
.cvUc-cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cvUc-cta-actions .btn{min-height:48px;padding:0 22px;font-size:15px}

@media (max-width:900px){
  .content-hero-shell{grid-template-columns:1fr;gap:40px}
  .content-hero-panel{margin-top:0;max-width:480px}
  .content-hero h1{max-width:20ch}
  .content-hero .lede{max-width:50ch}
  .cvUc-metrics-shell,.cvUc-flow-shell,.cvUc-related-shell{grid-template-columns:1fr;gap:36px}
  .cvUc-flow-left{position:static;padding-right:0}
  .cvUc-compare-grid{grid-template-columns:1fr}
  .cvUc-col + .cvUc-col{padding-left:0;border-left:0;padding-top:28px;border-top:1px solid var(--uc-line)}
  .cvUc-metrics-title,.cvUc-flow-title,.cvUc-related-title,.cvUc-audience-quote,.cvUc-cta-title{max-width:none}
}
@media (max-width:720px){
  .content-page .content-hero{padding:64px 0 72px}
  .content-hero .crumb{margin-bottom:28px}
  .content-page .content-body{padding:56px 0 80px}
  .content-body .stat{grid-template-columns:1fr}
  .content-body .stat > div + div{border-left:0;border-top:1px solid var(--cvl-border)}
  .content-howto li{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:18px 0}
  .site-header .nav-links a.nav-text{display:none}
  .content-hero-panel{padding:26px 22px}
  .cvUc-metrics-grid{grid-template-columns:1fr}
  .cvUc-metric{padding:28px 0}
  .cvUc-metric + .cvUc-metric{padding-left:0;border-left:0;border-top:1px solid var(--cvl-border)}
  .cvUc-flow-row{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:28px 0}
  .cvUc-col{padding:28px 0 8px}
  .cvUc-col-list li{grid-template-columns:1fr;gap:6px;padding:18px 0}
  .cvUc-related-row{padding:22px 0}
  .content-hero-actions .btn,
  .cvUc-audience-actions .btn,
  .cvUc-cta-actions .btn{min-height:48px}
}
@media (max-width:480px){
  .content-hero-actions,
  .cvUc-audience-actions,
  .cvUc-cta-actions{flex-direction:column;align-items:stretch}
  .content-hero-actions .btn,
  .cvUc-audience-actions .btn,
  .cvUc-cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  .content-hero [data-anim],
  .cvUc [data-reveal],
  .cvUc-flow-row,
  .cvUc-related-row,
  .cvUc-related-arrow{
    opacity:1!important;transform:none!important;animation:none!important;transition:none!important;
  }
}