/* DevDobiTech AI content system v21 */
.ai21-hero{padding:88px 0 82px;position:relative;overflow:hidden;background:radial-gradient(circle at 76% 18%,rgba(29,78,216,.20),transparent 28%),radial-gradient(circle at 20% 82%,rgba(37,99,235,.09),transparent 32%),#0D1117;color:#F6F8FA}
.ai21-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 55%,rgba(96,165,250,.035) 55% 55.4%,transparent 55.4% 100%);pointer-events:none}
.ai21-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;position:relative;z-index:1}
.ai21-kicker{display:inline-flex;align-items:center;gap:9px;color:#93C5FD;font:800 12px/1.2 "Space Grotesk",sans-serif;letter-spacing:.15em;text-transform:uppercase}
.ai21-kicker:before{content:"";width:9px;height:9px;border-radius:50%;background:#60A5FA;box-shadow:0 0 0 6px rgba(96,165,250,.10)}
.ai21-hero h1{font:700 clamp(50px,7vw,88px)/.95 "Space Grotesk",sans-serif;letter-spacing:-.058em;margin:18px 0 26px;max-width:780px}
.ai21-hero h1 em,.ai21-detail-hero h1 em{font-style:normal;color:#60A5FA}
.ai21-lead{font-size:18px;line-height:1.75;color:#C7D0DA;max-width:710px}
.ai21-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
.ai21-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;border-radius:12px;font:800 13px/1 "Manrope",sans-serif;text-decoration:none;transition:transform .2s,background .2s,border-color .2s}
.ai21-btn:hover{transform:translateY(-2px)}
.ai21-primary{background:#1D4ED8;color:#fff!important;box-shadow:0 14px 28px rgba(29,78,216,.22)}
.ai21-primary:hover{background:#2563EB}.ai21-ghost{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.03);color:#F7F8FA!important}
.ai21-proof{display:flex;gap:24px;margin-top:38px;padding-top:23px;border-top:1px solid rgba(255,255,255,.11);flex-wrap:wrap}
.ai21-proof strong{display:block;color:#60A5FA;font:800 11px "Space Grotesk";letter-spacing:.12em}.ai21-proof span{display:block;margin-top:5px;color:#B6C0CA;font-size:12px}
.ai21-visual{min-height:470px;border:1px solid rgba(96,165,250,.20);border-radius:20px;background:linear-gradient(145deg,#151A22,#0A0D12);position:relative;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.ai21-visual:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 55% 35%,rgba(59,130,246,.19),transparent 20%),linear-gradient(135deg,rgba(59,130,246,.09),transparent 42%)}
.ai21-node{position:absolute;border:1px solid rgba(255,255,255,.12);background:rgba(18,22,29,.88);box-shadow:0 18px 40px rgba(0,0,0,.3);border-radius:14px;padding:14px 15px;backdrop-filter:blur(7px)}
.ai21-node b{display:block;font:800 10px "Space Grotesk";letter-spacing:.14em;color:#93C5FD;text-transform:uppercase}.ai21-node span{display:block;margin-top:6px;color:#F4F6F8;font-size:13px;line-height:1.4}.ai21-node-a{left:26px;top:34px;width:180px}.ai21-node-b{right:26px;top:116px;width:190px}.ai21-node-c{left:56px;bottom:90px;width:205px}.ai21-node-d{right:34px;bottom:34px;width:205px}
.ai21-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:126px;height:126px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(147,197,253,.32);background:radial-gradient(circle at 42% 32%,rgba(96,165,250,.32),rgba(18,28,48,.82));box-shadow:0 0 0 14px rgba(59,130,246,.05),0 0 90px rgba(59,130,246,.16)}.ai21-core strong{font:800 12px "Space Grotesk";letter-spacing:.14em;color:#DBEAFE}
.ai21-link{position:absolute;height:1px;background:linear-gradient(90deg,rgba(96,165,250,0),rgba(96,165,250,.55),rgba(96,165,250,0));transform-origin:left center}.ai21-link-1{width:190px;left:176px;top:134px;transform:rotate(26deg)}.ai21-link-2{width:190px;right:175px;top:212px;transform:rotate(153deg)}.ai21-link-3{width:190px;left:176px;bottom:157px;transform:rotate(-24deg)}.ai21-link-4{width:188px;right:184px;bottom:118px;transform:rotate(203deg)}
.ai21-light{background:#F5F6F7;color:#111519}.ai21-section{padding:92px 0}.ai21-head{display:grid;grid-template-columns:1fr .82fr;gap:65px;align-items:end;margin-bottom:44px}.ai21-label{color:#1D4ED8;font:800 12px/1.2 "Space Grotesk";letter-spacing:.16em;text-transform:uppercase}.ai21-head h2{font:700 clamp(38px,5vw,62px)/1 "Space Grotesk";letter-spacing:-.045em;margin:11px 0 0}.ai21-head>p{color:#4B5563;line-height:1.75}
.ai21-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.ai21-card{background:#fff;border:1px solid #D9DEE3;border-top:3px solid #1D4ED8;border-radius:12px;padding:28px;box-shadow:0 8px 24px rgba(13,13,13,.045);position:relative;min-height:235px}.ai21-card .num{font:800 11px "Space Grotesk";color:#1D4ED8;letter-spacing:.12em}.ai21-card h3{font:700 22px/1.1 "Space Grotesk";margin:12px 0 10px;color:#14181C}.ai21-card p{color:#4B5563;line-height:1.7;margin:0}.ai21-card a{display:inline-flex;margin-top:20px;color:#1D4ED8;font-weight:800;font-size:13px;text-decoration:none}.ai21-card a:hover{text-decoration:underline}
.ai21-strip{padding:22px 0;background:#111827;color:#E5E7EB;border-top:1px solid rgba(96,165,250,.14);border-bottom:1px solid rgba(96,165,250,.14)}.ai21-strip-inner{display:flex;justify-content:space-between;gap:30px;align-items:center}.ai21-strip strong{font:800 13px "Space Grotesk";letter-spacing:.12em;text-transform:uppercase;color:#93C5FD}.ai21-strip span{font-size:13px;color:#C1CAD4}.ai21-strip a{color:#BFDBFE;font-weight:800;text-decoration:none;white-space:nowrap}
.ai21-dark{background:#0F141B;color:#F7F8FA}.ai21-dark .ai21-label{color:#60A5FA}.ai21-dark .ai21-head>p{color:#BBC5CF}.ai21-dark .ai21-head h2{color:#fff}.ai21-usecases{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.ai21-usecase{border:1px solid rgba(255,255,255,.10);border-radius:12px;padding:25px;background:#141A22}.ai21-usecase h3{font:700 21px "Space Grotesk";margin:0 0 9px;color:#fff}.ai21-usecase p{margin:0;color:#B9C2CC;line-height:1.7}.ai21-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.ai21-tags span{border:1px solid rgba(96,165,250,.22);color:#BFDBFE;border-radius:999px;padding:6px 9px;font-size:11px}
.ai21-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.ai21-flow-item{background:#fff;border:1px solid #D9DEE3;border-radius:12px;padding:24px}.ai21-flow-item b{display:block;color:#1D4ED8;font:800 11px "Space Grotesk";letter-spacing:.12em}.ai21-flow-item h3{font:700 19px "Space Grotesk";margin:11px 0 8px;color:#14181C}.ai21-flow-item p{margin:0;color:#4B5563;line-height:1.65;font-size:14px}
.ai21-pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.ai21-plan{background:#fff;border:1px solid #D9DEE3;border-radius:12px;padding:27px;box-shadow:0 8px 24px rgba(13,13,13,.045)}.ai21-plan.featured{border:2px solid #1D4ED8;box-shadow:0 14px 34px rgba(29,78,216,.12)}.ai21-plan-tag{display:inline-block;background:#DBEAFE;color:#1E40AF;font:800 10px "Space Grotesk";letter-spacing:.12em;padding:7px 9px;border-radius:999px}.ai21-plan h3{font:800 17px "Space Grotesk";letter-spacing:.08em;margin:15px 0 8px}.ai21-plan .price{font:800 28px "Space Grotesk";color:#12161A}.ai21-plan ul{margin:19px 0 24px;padding:0;list-style:none;display:grid;gap:9px}.ai21-plan li{color:#4B5563;line-height:1.5;padding-left:20px;position:relative;font-size:14px}.ai21-plan li:before{content:"✓";position:absolute;left:0;color:#1D4ED8;font-weight:900}.ai21-plan a{width:100%;justify-content:center}
.ai21-note{padding:85px 0;background:#10151C;color:#fff}.ai21-note-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.ai21-note h2{font:700 clamp(34px,4.4vw,54px)/1.02 "Space Grotesk";letter-spacing:-.04em;margin:12px 0 0}.ai21-note p{color:#C3CCD6;line-height:1.78;margin:0 0 13px}.ai21-note strong{color:#fff}.ai21-note a{color:#93C5FD}.ai21-faq-list{display:grid;gap:0;border-top:1px solid #D9DEE3}.ai21-faq-list details{border-bottom:1px solid #D9DEE3;padding:18px 0}.ai21-faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font:700 18px "Space Grotesk";color:#171B1F}.ai21-faq-list summary::-webkit-details-marker{display:none}.ai21-faq-list summary span{color:#1D4ED8}.ai21-faq-list p{margin:12px 0 0;color:#4B5563;line-height:1.7;max-width:850px}
.ai21-cta{padding:88px 0;background:radial-gradient(circle at 70% 20%,rgba(59,130,246,.18),transparent 28%),#0D1117;color:#fff;text-align:center}.ai21-cta .ai21-label{color:#93C5FD}.ai21-cta h2{font:700 clamp(38px,5vw,62px)/1 "Space Grotesk";letter-spacing:-.045em;margin:12px auto 18px;max-width:850px}.ai21-cta p{color:#C5CED8;line-height:1.75;max-width:710px;margin:0 auto}.ai21-cta .ai21-actions{justify-content:center}
.ai21-detail-hero{padding:78px 0 74px;background:radial-gradient(circle at 76% 22%,rgba(59,130,246,.16),transparent 30%),#0D1117;color:#fff}.ai21-detail-hero h1{font:700 clamp(46px,6.2vw,74px)/.97 "Space Grotesk";letter-spacing:-.055em;max-width:900px;margin:15px 0 22px}.ai21-detail-lead{font-size:18px;line-height:1.78;color:#C6CED8;max-width:800px}.ai21-breadcrumb{font-size:12px;color:#9AA6B1}.ai21-breadcrumb a{color:#BFDBFE}.ai21-detail-grid{display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:start}.ai21-detail-content{padding:85px 0}.ai21-detail-section{background:#F5F6F7;padding:85px 0}.ai21-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.ai21-feature{background:#fff;border:1px solid #D9DEE3;border-left:3px solid #1D4ED8;border-radius:12px;padding:25px}.ai21-feature h3{font:700 21px "Space Grotesk";margin:0 0 10px}.ai21-feature p{color:#4B5563;line-height:1.72;margin:0}.ai21-detail-side{border:1px solid rgba(96,165,250,.20);background:#121923;border-radius:16px;padding:28px;position:sticky;top:105px}.ai21-detail-side strong{color:#fff}.ai21-detail-side p{color:#B9C2CC;line-height:1.7}.ai21-side-list{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:9px}.ai21-side-list li{color:#D4DBE2;font-size:14px;padding-left:20px;position:relative}.ai21-side-list li:before{content:"→";position:absolute;left:0;color:#60A5FA}.ai21-sources{padding:45px 0 50px;background:#ECEFF2;border-top:1px solid #D9DEE3}.ai21-sources h2{font:700 22px "Space Grotesk";margin:0 0 15px}.ai21-sources ul{margin:0;padding-left:20px}.ai21-sources li{margin:7px 0;color:#4B5563}.ai21-sources a{color:#1D4ED8}.ai21-disclaimer{font-size:12px;color:#66717C;line-height:1.6;margin-top:14px}
@media(max-width:900px){.ai21-hero-grid,.ai21-detail-grid,.ai21-note-grid{grid-template-columns:1fr}.ai21-visual{min-height:390px}.ai21-head{grid-template-columns:1fr;gap:18px}.ai21-grid,.ai21-pricing{grid-template-columns:1fr 1fr}.ai21-flow{grid-template-columns:1fr 1fr}.ai21-detail-side{position:static}.ai21-strip-inner{align-items:flex-start;flex-direction:column;gap:8px}.ai21-hero{padding-top:70px}}
@media(max-width:620px){.ai21-hero h1{font-size:46px}.ai21-lead,.ai21-detail-lead{font-size:16px}.ai21-grid,.ai21-pricing,.ai21-flow,.ai21-feature-grid,.ai21-usecases{grid-template-columns:1fr}.ai21-section,.ai21-detail-content,.ai21-detail-section{padding:68px 0}.ai21-visual{min-height:340px}.ai21-core{width:100px;height:100px}.ai21-node{padding:11px 12px}.ai21-node span{font-size:12px}.ai21-node-a{width:145px}.ai21-node-b{width:160px}.ai21-node-c{width:165px;bottom:76px}.ai21-node-d{width:165px}.ai21-link{display:none}.ai21-actions .ai21-btn{width:100%}.ai21-actions{flex-direction:column}.ai21-proof{gap:15px}.ai21-head h2{font-size:40px}.ai21-cta{padding:70px 0}}

/* ================================================================
   v22 — INDUSTRIAL TECH VISUAL ALIGNMENT
   AI retains its blue brand accent, but follows the shared
   DevDobiTech visual system: surfaces, spacing, radii, typography,
   shadows, focus states and mobile rhythm.
   ================================================================ */
:root{
  --ai-accent:#1D4ED8;
  --ai-accent-hover:#2563EB;
  --ai-accent-light:#DBEAFE;
  --ai-accent-soft:rgba(59,130,246,.10);
  --ai-accent-line:rgba(59,130,246,.22);
  --ai-accent-dark:#1E40AF;
  --ai-dark:var(--it-black,#0D0D0D);
  --ai-panel:#181A1D;
  --ai-paper:var(--it-paper,#F2F3F1);
  --ai-ink:var(--it-ink,#17191C);
  --ai-muted:#4B5563;
  --ai-meta:#5F6B75;
}

body.dd-site[data-brand="ai"]{
  background:var(--ai-paper)!important;
  color:var(--ai-ink)!important;
}

/* HERO — same structural language as the current Industrial Tech hero. */
.ai21-hero,
.ai21-detail-hero{
  background:
    linear-gradient(rgba(255,255,255,.026) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px),
    radial-gradient(circle at 78% 18%,rgba(59,130,246,.13),transparent 30%),
    linear-gradient(135deg,#0B0D0F 0%,#14171A 62%,#171A1D 100%)!important;
  background-size:44px 44px,44px 44px,auto,auto!important;
  color:#F5F7FA!important;
}
.ai21-hero{padding:92px 0 70px!important}
.ai21-detail-hero{padding:82px 0 70px!important}
.ai21-hero:after{display:none!important}
.ai21-hero-grid{gap:55px!important}
.ai21-kicker{
  color:#93C5FD!important;
  letter-spacing:.16em!important;
}
.ai21-kicker:before{
  width:8px!important;height:8px!important;
  background:#60A5FA!important;
  box-shadow:0 0 0 5px rgba(96,165,250,.10)!important;
}
.ai21-hero h1,.ai21-detail-hero h1{
  font:700 clamp(52px,7vw,92px)/.93 "Space Grotesk",sans-serif!important;
  letter-spacing:-.065em!important;
  margin:20px 0 26px!important;
}
.ai21-detail-hero h1{max-width:900px!important}
.ai21-hero h1 em,.ai21-detail-hero h1 em{color:#60A5FA!important}
.ai21-lead,.ai21-detail-lead{
  color:#C7CDD3!important;
  line-height:1.70!important;
}
.ai21-lead{max-width:650px!important}
.ai21-detail-lead{max-width:800px!important}
.ai21-actions{gap:12px!important;margin-top:32px!important}
.ai21-btn{
  padding:14px 20px!important;
  min-height:46px!important;
  border-radius:9px!important;
  font-size:13px!important;
}
.ai21-btn:focus-visible{
  outline:2px solid #93C5FD!important;
  outline-offset:3px!important;
}
.ai21-primary{
  background:var(--ai-accent)!important;
  border:1px solid var(--ai-accent)!important;
  color:#fff!important;
  box-shadow:0 12px 28px rgba(29,78,216,.20)!important;
}
.ai21-primary:hover{background:var(--ai-accent-hover)!important}
.ai21-ghost{
  border:1px solid rgba(255,255,255,.20)!important;
  background:rgba(255,255,255,.03)!important;
  color:#F5F7FA!important;
}
.ai21-ghost:hover{border-color:rgba(255,255,255,.36)!important;background:rgba(255,255,255,.06)!important}
.ai21-proof{
  gap:22px!important;
  margin-top:38px!important;
  padding-top:25px!important;
  border-top:1px solid rgba(255,255,255,.10)!important;
}
.ai21-proof strong{color:#60A5FA!important;font-size:12px!important}
.ai21-proof span{color:#AEB7BF!important}

/* Hero visual — industrial card, not a separate visual language. */
.ai21-visual{
  min-height:500px!important;
  border:1px solid rgba(96,165,250,.18)!important;
  border-radius:14px!important;
  background:linear-gradient(145deg,#181A1D,#0D0F11)!important;
  box-shadow:0 35px 90px rgba(0,0,0,.30)!important;
}
.ai21-visual:before{
  background:
    linear-gradient(135deg,rgba(59,130,246,.08),transparent 36%),
    radial-gradient(circle at 68% 30%,rgba(59,130,246,.15),transparent 28%)!important;
}
.ai21-node{
  border-color:rgba(255,255,255,.11)!important;
  background:rgba(24,26,29,.92)!important;
  border-radius:10px!important;
  box-shadow:0 20px 40px rgba(0,0,0,.26)!important;
  backdrop-filter:blur(8px)!important;
}
.ai21-node b{color:#93C5FD!important}
.ai21-node span{color:#F5F7FA!important}
.ai21-core{
  border-color:rgba(147,197,253,.30)!important;
  background:radial-gradient(circle at 42% 32%,rgba(96,165,250,.28),rgba(19,27,39,.86))!important;
  box-shadow:0 0 0 12px rgba(59,130,246,.045),0 0 80px rgba(59,130,246,.14)!important;
}
.ai21-link{background:linear-gradient(90deg,rgba(96,165,250,0),rgba(96,165,250,.48),rgba(96,165,250,0))!important}

/* Light sections — same paper, borders, spacing and card system. */
.ai21-light,
.ai21-section,
.ai21-detail-section{background:var(--ai-paper)!important;color:var(--ai-ink)!important}
.ai21-section{padding:95px 0!important}
.ai21-detail-content{padding:95px 0!important}
.ai21-detail-section{padding:95px 0!important}
.ai21-head{
  grid-template-columns:1fr .80fr!important;
  gap:70px!important;
  margin-bottom:45px!important;
}
.ai21-label{
  color:var(--ai-accent)!important;
  font:800 12px/1.2 "Space Grotesk",sans-serif!important;
  letter-spacing:.16em!important;
  text-transform:uppercase!important;
}
.ai21-head h2,
.ai21-note h2,
.ai21-cta h2{
  font-family:"Space Grotesk",sans-serif!important;
  font-weight:700!important;
  letter-spacing:-.05em!important;
}
.ai21-head h2{font-size:clamp(38px,5vw,62px)!important;line-height:1!important;margin:12px 0 0!important}
.ai21-head>p{color:var(--ai-muted)!important;line-height:1.70!important}

.ai21-grid{gap:14px!important}
.ai21-card{
  min-height:245px!important;
  padding:26px!important;
  background:#fff!important;
  border:1px solid rgba(13,13,13,.10)!important;
  border-top:3px solid var(--ai-accent)!important;
  border-radius:14px!important;
  box-shadow:0 12px 30px rgba(13,13,13,.04)!important;
}
.ai21-card .num{color:var(--ai-accent)!important;font-size:10px!important;letter-spacing:.12em!important}
.ai21-card h3{font-size:21px!important;line-height:1.12!important;color:#17191C!important;margin:12px 0 10px!important}
.ai21-card p{color:var(--ai-muted)!important;line-height:1.65!important}
.ai21-card a{color:var(--ai-accent)!important;font-size:12px!important}
.ai21-card:hover{border-color:rgba(29,78,216,.28)!important;box-shadow:0 16px 34px rgba(13,13,13,.07)!important;transform:translateY(-2px)}

/* Dark informational strip and dark use-case section. */
.ai21-strip{
  padding:18px 0!important;
  background:#111315!important;
  border-top:1px solid rgba(59,130,246,.15)!important;
  border-bottom:1px solid rgba(59,130,246,.15)!important;
}
.ai21-strip-inner{gap:28px!important}
.ai21-strip strong{color:#93C5FD!important;font-size:12px!important}
.ai21-strip span{color:#AEB7BF!important;font-size:12px!important}
.ai21-strip a{color:#93C5FD!important;font-size:12px!important}
.ai21-dark{
  background:#111315!important;
  color:#F5F7FA!important;
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.ai21-dark .ai21-label{color:#60A5FA!important}
.ai21-dark .ai21-head>p{color:#AEB7BF!important}
.ai21-usecases{gap:14px!important}
.ai21-usecase{
  border:1px solid rgba(255,255,255,.10)!important;
  border-radius:14px!important;
  padding:24px!important;
  background:#181A1D!important;
}
.ai21-usecase:hover{border-color:rgba(96,165,250,.26)!important}
.ai21-usecase h3{font-size:20px!important}
.ai21-usecase p{color:#AEB7BF!important;line-height:1.65!important}
.ai21-tags{gap:7px!important;margin-top:16px!important}
.ai21-tags span{
  border:1px solid rgba(96,165,250,.20)!important;
  color:#BFDBFE!important;
  background:rgba(59,130,246,.06)!important;
  border-radius:999px!important;
  padding:6px 8px!important;
  font-size:9px!important;
  font-weight:800!important;
  letter-spacing:.06em!important;
  text-transform:uppercase!important;
}

/* Process cards. */
.ai21-flow{gap:14px!important}
.ai21-flow-item{
  background:#fff!important;
  border:1px solid #DFE3E7!important;
  border-radius:14px!important;
  padding:24px!important;
  box-shadow:0 8px 24px rgba(13,13,13,.035)!important;
}
.ai21-flow-item b{color:var(--ai-accent)!important;font-size:10px!important}
.ai21-flow-item h3{font-size:19px!important;color:#17191C!important;margin:11px 0 8px!important}
.ai21-flow-item p{color:var(--ai-muted)!important;line-height:1.65!important}
.ai21-flow-item:hover{border-color:rgba(29,78,216,.28)!important;box-shadow:0 14px 30px rgba(13,13,13,.06)!important;transform:translateY(-2px)}

/* Pricing — same card language as the shared price system. */
.ai21-pricing{gap:14px!important}
.ai21-plan{
  background:#fff!important;
  border:1px solid rgba(13,13,13,.10)!important;
  border-radius:14px!important;
  padding:26px!important;
  box-shadow:0 12px 30px rgba(13,13,13,.045)!important;
}
.ai21-plan.featured{
  border:2px solid var(--ai-accent)!important;
  box-shadow:0 16px 38px rgba(29,78,216,.11)!important;
}
.ai21-plan-tag{
  background:var(--ai-accent-light)!important;
  color:var(--ai-accent-dark)!important;
  font-size:9px!important;
  padding:7px 9px!important;
  border-radius:999px!important;
}
.ai21-plan h3{font-size:17px!important;color:#17191C!important}
.ai21-plan .price{font-size:29px!important;color:#111315!important}
.ai21-plan ul{gap:9px!important;margin:19px 0 24px!important}
.ai21-plan li{color:var(--ai-muted)!important;font-size:13px!important;line-height:1.52!important}
.ai21-plan li:before{color:var(--ai-accent)!important}
.ai21-plan .ai21-primary{width:100%!important;justify-content:center!important}

/* Long-form informational note and source block. */
.ai21-note{
  padding:86px 0!important;
  background:#151719!important;
  color:#F5F7FA!important;
  border-top:1px solid rgba(255,255,255,.06)!important;
  border-bottom:1px solid rgba(255,255,255,.06)!important;
}
.ai21-note h2{font-size:clamp(36px,4.5vw,58px)!important;line-height:1.02!important}
.ai21-note p{color:#AEB7BF!important;line-height:1.70!important}
.ai21-note strong{color:#F5F7FA!important}
.ai21-note a{color:#93C5FD!important}
.ai21-faq-list{border-top:1px solid #DFE3E7!important}
.ai21-faq-list details{border-bottom:1px solid #DFE3E7!important;padding:20px 0!important}
.ai21-faq-list summary{font-size:17px!important;color:#17191C!important}
.ai21-faq-list summary span{color:var(--ai-accent)!important}
.ai21-faq-list p{color:var(--ai-muted)!important;line-height:1.70!important}
.ai21-sources{
  padding:46px 0 52px!important;
  background:#ECEFF2!important;
  border-top:1px solid #D9DEE3!important;
}
.ai21-sources h2{font-size:22px!important;color:#17191C!important}
.ai21-sources li{color:var(--ai-muted)!important}
.ai21-sources a{color:var(--ai-accent)!important}
.ai21-disclaimer{color:#5F6B75!important}

/* CTA — keeps the same dark industrial ending, with AI blue as the accent. */
.ai21-cta{
  padding:90px 0!important;
  background:
    linear-gradient(rgba(255,255,255,.020) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.020) 1px,transparent 1px),
    radial-gradient(circle at 72% 18%,rgba(59,130,246,.13),transparent 30%),
    #0D0D0D!important;
  background-size:44px 44px,44px 44px,auto,auto!important;
}
.ai21-cta .ai21-label{color:#93C5FD!important}
.ai21-cta h2{font-size:clamp(38px,5vw,62px)!important;line-height:1!important}
.ai21-cta p{color:#AEB7BF!important;line-height:1.70!important}
.ai21-cta .ai21-actions{justify-content:center!important}

/* Detail pages: make the sticky side card feel like the current industrial cards. */
.ai21-detail-grid{gap:55px!important}
.ai21-detail-side{
  border:1px solid rgba(96,165,250,.18)!important;
  background:linear-gradient(145deg,#181A1D,#111315)!important;
  border-radius:14px!important;
  padding:26px!important;
  top:105px!important;
  box-shadow:0 22px 55px rgba(0,0,0,.18)!important;
}
.ai21-detail-side strong{color:#F5F7FA!important}
.ai21-detail-side p{color:#AEB7BF!important}
.ai21-side-list li{color:#D7DDE2!important}
.ai21-side-list li:before{color:#60A5FA!important}
.ai21-feature-grid{gap:14px!important}
.ai21-feature{
  background:#fff!important;
  border:1px solid rgba(13,13,13,.10)!important;
  border-left:3px solid var(--ai-accent)!important;
  border-radius:14px!important;
  padding:24px!important;
  box-shadow:0 8px 24px rgba(13,13,13,.035)!important;
}
.ai21-feature h3{font-size:20px!important;color:#17191C!important}
.ai21-feature p{color:var(--ai-muted)!important;line-height:1.65!important}
.ai21-feature:hover{border-color:rgba(29,78,216,.24)!important;box-shadow:0 14px 30px rgba(13,13,13,.06)!important}
.ai21-breadcrumb{color:#9AA2AA!important}
.ai21-breadcrumb a{color:#BFDBFE!important}

/* Reduce inline-style leakage from content templates without touching content. */
.ai21-detail-content h2[style]{
  font:700 clamp(38px,5vw,62px)/1 "Space Grotesk",sans-serif!important;
  letter-spacing:-.05em!important;
  color:#17191C!important;
  margin:12px 0 18px!important;
}
.ai21-detail-content p[style]{color:var(--ai-muted)!important}
.ai21-cta p.ai21-label[style]{color:#93C5FD!important}

/* Mobile follows the same compact Industrial Tech rhythm. */
@media(max-width:900px){
  .ai21-hero-grid,.ai21-detail-grid,.ai21-note-grid{grid-template-columns:1fr!important}
  .ai21-hero{padding:78px 0 62px!important}
  .ai21-detail-hero{padding:72px 0 60px!important}
  .ai21-visual{min-height:430px!important}
  .ai21-head{grid-template-columns:1fr!important;gap:18px!important}
  .ai21-grid,.ai21-pricing{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .ai21-flow{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .ai21-detail-side{position:static!important}
}
@media(max-width:700px){
  .ai21-hero h1,.ai21-detail-hero h1{font-size:50px!important}
  .ai21-lead,.ai21-detail-lead{font-size:16px!important}
  .ai21-grid,.ai21-pricing,.ai21-flow,.ai21-feature-grid,.ai21-usecases{grid-template-columns:1fr!important}
  .ai21-section,.ai21-detail-content,.ai21-detail-section{padding:72px 0!important}
  .ai21-note{padding:72px 0!important}
  .ai21-cta{padding:72px 0!important}
  .ai21-visual{min-height:360px!important}
  .ai21-core{width:100px!important;height:100px!important}
  .ai21-node{padding:11px 12px!important}
  .ai21-node span{font-size:12px!important}
  .ai21-node-a{width:145px!important;left:20px!important;top:26px!important}
  .ai21-node-b{width:160px!important;right:18px!important;top:100px!important}
  .ai21-node-c{width:165px!important;left:28px!important;bottom:72px!important}
  .ai21-node-d{width:165px!important;right:18px!important;bottom:22px!important}
  .ai21-link{display:none!important}
  .ai21-actions{flex-direction:column!important}
  .ai21-actions .ai21-btn{width:100%!important}
  .ai21-proof{gap:15px!important}
  .ai21-head h2{font-size:40px!important}
  .ai21-strip-inner{align-items:flex-start!important;flex-direction:column!important;gap:8px!important}
}