:root{
  --bg:#070b1a; --bg2:#0d1328; --card:#111936; --line:rgba(255,255,255,.09);
  --text:#e8ecf8; --muted:#9aa5c7; --brand:#4f8cff; --brand2:#8b5cf6; --accent:#22d3ee; --ok:#34d399;
  --grad:linear-gradient(135deg,#4f8cff 0%,#8b5cf6 55%,#22d3ee 100%);
  --radius:18px; --max:1180px;
}
@font-face{font-family:'Inter Fallback';src:local('Arial');size-adjust:107.4%;ascent-override:90.2%;descent-override:22.5%;line-gap-override:0%}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','Inter Fallback',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:96px 0;position:relative}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:800}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600}
p.lead{font-size:1.2rem;color:var(--muted);max-width:640px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border:1px solid var(--line);background:rgba(34,211,238,.07);padding:6px 14px;border-radius:99px;margin-bottom:22px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(52,211,153,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(52,211,153,0)}}

/* Nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,11,26,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.03em;display:flex;align-items:center;gap:10px}
.logo b{width:32px;height:32px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-size:1rem;color:#fff}
.nav nav{display:flex;gap:28px;align-items:center}
.nav nav a{font-size:.93rem;color:var(--muted);transition:.2s}
.nav nav a:hover,.nav nav a.active{color:#fff}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}
.dd{position:relative}
.dd>div{position:absolute;top:100%;left:-16px;padding-top:14px;display:none}
.dd:hover>div,.dd:focus-within>div{display:block}
.dd ul{list-style:none;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px;min-width:240px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.dd li a{display:block;padding:10px 14px;border-radius:9px;white-space:nowrap}
.dd li a:hover{background:rgba(255,255,255,.06)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.97rem;padding:13px 24px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.2s;font-family:inherit}
.btn.primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px rgba(79,140,255,.35)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(139,92,246,.45)}
.btn.ghost{border-color:var(--line);background:rgba(255,255,255,.03);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.08)}
.btn.sm{padding:9px 18px;font-size:.9rem}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

/* Hero */
.hero{padding:170px 0 90px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(120px);opacity:.45;z-index:0}
.hero::before{width:520px;height:520px;background:#4f8cff;top:-120px;left:-120px}
.hero::after{width:460px;height:460px;background:#8b5cf6;top:60px;right:-120px}
.hero .wrap{position:relative;z-index:1}
.hero.center{text-align:center}
.hero.center p.lead,.hero.center h1{margin-left:auto;margin-right:auto}
.hero.center .actions{justify-content:center}
.hero h1{max-width:900px;margin-bottom:24px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:42px;color:var(--muted);font-size:.9rem}
.trust span::before{content:"✓";color:var(--ok);margin-right:8px;font-weight:700}

/* Cards */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(79,140,255,.5)}
.card h3{margin:16px 0 10px}
.card p{color:var(--muted);font-size:.97rem}
.ico{width:48px;height:48px;border-radius:13px;background:rgba(79,140,255,.14);display:grid;place-items:center;font-size:1.4rem}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head.c{text-align:center;margin-left:auto;margin-right:auto}
.sec-head p{color:var(--muted);margin-top:16px;font-size:1.1rem}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.link{color:var(--accent);font-weight:600;display:inline-block;margin-top:16px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats b{display:block;font-size:2.6rem;font-weight:800;letter-spacing:-.03em}
.stats span{color:var(--muted);font-size:.93rem}

/* Chat / call mock */
.mock{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.mock-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.live{color:var(--ok);font-weight:600}.live::before{content:"● ";animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.3}}
.msgs{display:flex;flex-direction:column;gap:12px;padding:18px 0;min-height:290px}
.m{max-width:84%;padding:11px 15px;border-radius:14px;font-size:.92rem;opacity:0;transform:translateY(8px);animation:in .5s forwards}
.m.c{background:rgba(255,255,255,.07);align-self:flex-start;border-bottom-left-radius:4px}
.m.a{background:var(--grad);align-self:flex-end;border-bottom-right-radius:4px;color:#fff}
.m small{display:block;opacity:.7;font-size:.72rem;margin-bottom:2px}
@keyframes in{to{opacity:1;transform:none}}
.wave{display:flex;gap:3px;align-items:center;height:26px}
.wave i{width:3px;background:var(--accent);border-radius:3px;animation:w 1s ease-in-out infinite}
.wave i:nth-child(odd){animation-delay:.15s}.wave i:nth-child(3n){animation-delay:.3s}
@keyframes w{0%,100%{height:5px}50%{height:24px}}

/* Steps */
.steps{counter-reset:s}
.step{position:relative;padding-left:70px;margin-bottom:34px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:700}
.step p{color:var(--muted);margin-top:6px}

/* Mode comparison */
.modes .card.feat{border-color:rgba(139,92,246,.7);background:linear-gradient(180deg,rgba(139,92,246,.14),rgba(79,140,255,.04))}
.tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;padding:4px 10px;border-radius:99px;background:rgba(139,92,246,.2);color:#c4b5fd}
ul.ticks{list-style:none;margin-top:18px}
ul.ticks li{padding:7px 0 7px 28px;position:relative;color:var(--muted);font-size:.95rem}
ul.ticks li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* Volume diagram */
.vol{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px}
.vol-row{display:flex;align-items:flex-end;gap:6px;height:170px;border-bottom:1px solid var(--line);margin-bottom:12px}
.bar{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;min-width:0}
.bar span{display:block}
.bar .h{background:var(--brand);border-radius:4px 4px 0 0}
.bar .ai{background:var(--brand2);opacity:.9}
.vol-legend{display:flex;gap:20px;font-size:.85rem;color:var(--muted);flex-wrap:wrap}
.vol-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:7px}
.threshold{position:relative}

/* Quotes */
.quote p{color:var(--text);font-size:1.02rem}
.quote cite{display:block;margin-top:18px;font-style:normal;color:var(--muted);font-size:.9rem}
.stars{color:#fbbf24;letter-spacing:2px}

/* FAQ */
details{border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin-bottom:12px;background:rgba(255,255,255,.02)}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";font-size:1.4rem;color:var(--accent)}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:12px}

/* CTA */
.cta{text-align:center;padding:100px 24px;border-radius:28px;background:var(--grad);position:relative;overflow:hidden}
.cta h2{max-width:720px;margin:0 auto 14px}
.cta p{opacity:.92;max-width:560px;margin:0 auto}
.cta .btn.primary{background:#fff;color:#1b1f4b;box-shadow:none}
.cta .btn.ghost{border-color:rgba(255,255,255,.5)}
.cta .actions{justify-content:center}

/* Footer */
footer{border-top:1px solid var(--line);padding:64px 0 36px;color:var(--muted);font-size:.93rem}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
footer h4{color:#fff;margin-bottom:14px;font-size:.95rem}
footer li{list-style:none;margin-bottom:9px}
footer a:hover{color:#fff}
.copy{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}

/* content is visible by default; only hidden for animation when JS has added .js to <html> */
.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.on,.rv-fallback .reveal{opacity:1;transform:none}
.js .reveal.on{animation:revealIn .7s cubic-bezier(.2,.7,.2,1) backwards}
@keyframes revealIn{from{opacity:0;transform:translateY(26px)}}

@media(max-width:960px){
  .split,.g2,.g3,.g4,.foot{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  section{padding:70px 0}
  .menu-btn{display:block}
  .nav nav{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--bg2);padding:10px 24px 24px;display:none;border-bottom:1px solid var(--line)}
  .nav nav.open{display:flex}
  .nav nav>a,.nav nav .dd>a{padding:12px 0;width:100%}
  .dd>div{position:static;display:block;padding:0}
  .dd ul{box-shadow:none;border:0;background:none;padding:0 0 0 14px}
  .hero{padding-top:130px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.m,.js .reveal{opacity:1;transform:none}}

/* Inner pages */
.hero.page{padding:150px 0 60px}
.hero.page h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.rounded{border-radius:var(--radius);width:100%;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.45)}
.prose{max-width:860px}
.prose p{color:var(--muted);font-size:1.05rem;margin-bottom:18px}
.prose h2{margin-bottom:20px}
.zform{width:100%;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.legal{max-width:860px}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:8px}
.legal h2{font-size:1.5rem;margin:40px 0 14px}
.legal h3{margin:28px 0 10px}
.legal p,.legal li{color:var(--muted);margin-bottom:12px;font-size:1rem}
.legal ul,.legal ol{padding-left:26px;margin-bottom:16px}
.legal a{color:var(--accent);text-decoration:underline;word-break:break-word}
.legal strong{color:var(--text)}
.legal table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem;display:block;overflow-x:auto}
.legal th,.legal td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;color:var(--muted)}
.legal th{background:var(--card);color:var(--text)}

/* Logo image */
.logo img{height:46px;width:auto;display:block}
footer .logo img{height:52px}

/* Accessibility / SEO helpers */
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;color:#000;padding:10px 16px;border-radius:8px;font-weight:600}
.skip:focus{left:8px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
footer .fh{color:#fff;margin-bottom:14px;font-size:.95rem;font-weight:600}
/* headings retagged for correct outline keep their original look */
.h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.h3{font-size:1.2rem;font-weight:600;line-height:1.2;letter-spacing:-.02em}
.h4{font-size:1.05rem;font-weight:600}
.card .h3{margin:16px 0 10px}
.card .ico+.h3{margin-top:16px}
.legal .h3{margin:28px 0 10px;font-size:1.2rem}

/* Responsive refinements */
img{height:auto}
.logo img{height:46px;width:auto}
.rounded{height:auto}
.zform{max-width:100%}
@media(max-width:960px){
  .hero.center .actions .btn,.hero .actions .btn{flex:1 1 auto;justify-content:center}
  .nav nav a.btn{margin-top:10px}
  .card{padding:24px}
  .cta{padding:64px 20px;border-radius:22px}
  .foot{gap:28px}
  .split{gap:36px}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  section{padding:56px 0}
  .hero{padding:118px 0 56px}
  .hero.page{padding:112px 0 44px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stats b{font-size:2rem}
  .trust{gap:10px 18px}
  .logo img{height:40px}
  .step{padding-left:60px}
  .mock{padding:16px}
  .msgs{min-height:0}
  .vol{padding:18px}
  .vol-row{height:140px}
  .legal table{font-size:.82rem}
  .actions{gap:10px}
  .actions .btn{width:100%}
}
@media(min-width:1400px){:root{--max:1280px}}

/* ===== Motion layer (transform/opacity only: compositor-friendly, no layout shift) ===== */
/* Cross-page fade (Chrome/Edge; ignored elsewhere). Nav stays put. */
@view-transition{navigation:auto}
header.nav{view-transition-name:site-nav}
::view-transition-old(root),::view-transition-new(root){animation-duration:.25s}

/* Floating hero orbs */
.hero::before{animation:float1 14s ease-in-out infinite alternate}
.hero::after{animation:float2 17s ease-in-out infinite alternate}
@keyframes float1{to{transform:translate3d(90px,60px,0) scale(1.12)}}
@keyframes float2{to{transform:translate3d(-80px,50px,0) scale(.92)}}
.hero .wrap{transform:translate3d(0,calc(var(--py,0)*-.06px),0)}

/* Hero text: slide up on load (transform only, so the LCP text is never hidden) */
.hero h1,.hero .lead,.hero .actions,.hero .trust,.hero .eyebrow{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero .eyebrow{animation-delay:.02s}.hero h1{animation-delay:.08s}.hero .lead{animation-delay:.16s}.hero .actions{animation-delay:.24s}.hero .trust{animation-delay:.32s}
@keyframes rise{from{transform:translate3d(0,22px,0)}to{transform:none}}

/* Gradient headline shimmer */
.grad{background-size:220% 100%;animation:shimmer 7s ease-in-out infinite alternate}
@keyframes shimmer{from{background-position:0% 50%}to{background-position:100% 50%}}

/* Staggered card/grid reveals */
.js .grid>.reveal.on:nth-child(4n+2){animation-delay:.08s}
.js .grid>.reveal.on:nth-child(4n+3){animation-delay:.16s}
.js .grid>.reveal.on:nth-child(4n+4){animation-delay:.24s}

/* Card spotlight follows the pointer (set by JS on fine pointers) */
.card{position:relative;overflow:hidden;isolation:isolate}
.card::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .3s;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(79,140,255,.16),transparent 60%)}
.card:hover::before{opacity:1}
.card .ico{transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.card:hover .ico{transform:translateY(-3px) rotate(-6deg) scale(1.08)}

/* Buttons: sheen + arrow nudge */
.btn{position:relative;overflow:hidden}
.btn.primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s}
.btn.primary:hover::after{left:140%}
.link{transition:transform .2s}
.card:hover .link,.link:hover{transform:translateX(4px)}

/* Nav: animated underline, condensed state, scroll progress */
.nav nav>a:not(.btn),.dd>a{position:relative}
.nav nav>a:not(.btn)::after,.dd>a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav nav>a:not(.btn):hover::after,.nav nav>a.active::after,.dd:hover>a::after{transform:scaleX(1)}
header.nav .wrap{transition:height .25s}
header.nav.scrolled .wrap{height:60px}
header.nav.scrolled{box-shadow:0 8px 30px rgba(0,0,0,.35)}
.dd>div{transition:opacity .2s}
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;background:var(--grad);transform:scaleX(0);transform-origin:left;pointer-events:none}

/* Steps / ticks pop in */
.js .steps .step.reveal::before{transform:scale(.4);transition:transform .5s cubic-bezier(.3,1.6,.5,1) .15s}
.js .steps .step.reveal.on::before{transform:scale(1)}

/* Volume chart bars ease when slider moves */
.bar .h,.bar .ai{transition:height .45s cubic-bezier(.2,.7,.2,1)}

/* CTA band gradient drift */
.cta{background-size:200% 200%;animation:drift 10s ease-in-out infinite alternate}
@keyframes drift{from{background-position:0% 50%}to{background-position:100% 50%}}

/* Phone: lighter motion */
@media(max-width:560px){.hero::before,.hero::after{animation:none}.hero .wrap{transform:none}.card::before{display:none}}

body.admin-bar header.nav{top:32px}
@media(max-width:782px){body.admin-bar header.nav{top:46px}}

/* CTA helpers */
.cta-phone{margin-top:18px;font-size:.95rem}
.cta-phone a{text-decoration:underline;font-weight:600}
.form-fallback{margin-top:12px;font-size:.88rem;color:var(--muted)}
.form-fallback a{color:var(--accent);text-decoration:underline}

/* Visitor-selectable light palette; the original dark theme remains the default. */
.theme-toggle{order:2;flex-shrink:0;margin-left:16px;padding:9px 12px;min-height:44px;border:1px solid var(--line);border-radius:12px;background:var(--bg2);color:var(--text);font:600 .82rem 'Inter',sans-serif;cursor:pointer}
.theme-toggle:hover{border-color:var(--brand)}
.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
:root[data-theme="light"]{--bg:#f7f9ff;--bg2:#edf2fc;--card:#fff;--line:rgba(27,42,76,.16);--text:#182440;--muted:#52617c;--brand:#3167cf;--brand2:#7541d1;--accent:#08788d;--ok:#137c59;--grad:linear-gradient(135deg,#3167cf 0%,#7541d1 55%,#087c96 100%);color-scheme:light}
html[data-theme="light"] header.nav{background:rgba(247,249,255,.92)}
html[data-theme="light"] header.nav.scrolled{box-shadow:0 8px 30px rgba(27,42,76,.1)}
html[data-theme="light"] .hero::before,html[data-theme="light"] .hero::after{opacity:.12}
html[data-theme="light"] .card{background:linear-gradient(150deg,#fff,#f1f5ff)}
html[data-theme="light"] .modes .card.feat{background:linear-gradient(150deg,#f2ebff,#eaf2ff)}
html[data-theme="light"] .mock,html[data-theme="light"] .rounded,html[data-theme="light"] .dd ul{box-shadow:0 15px 40px rgba(27,42,76,.1)}
html[data-theme="light"] .tag{color:#6031af;background:#e9ddff}
html[data-theme="light"] .nav nav a:hover,html[data-theme="light"] .nav nav a.active,html[data-theme="light"] .menu-btn,html[data-theme="light"] footer h4,html[data-theme="light"] footer .fh,html[data-theme="light"] footer a:hover{color:var(--text)}
html[data-theme="light"] .nav nav a.btn.primary{color:#fff}
html[data-theme="light"] .btn.ghost{color:var(--text);background:rgba(49,103,207,.04)}
html[data-theme="light"] .btn.ghost:hover,html[data-theme="light"] .dd li a:hover{background:rgba(49,103,207,.09)}
html[data-theme="light"] .m.c{background:#e5ebf8}
html[data-theme="light"] .cta{color:#fff}
html[data-theme="light"] .cta .btn.ghost{color:#fff;background:rgba(255,255,255,.08)}
html[data-theme="light"] #volLabel{color:var(--text)!important}
html[data-theme="light"] .executel-field input,html[data-theme="light"] .executel-field textarea,html[data-theme="light"] .executel-check input{color-scheme:light}
html[data-theme="light"] .executel-field input:user-invalid,html[data-theme="light"] .executel-field textarea:user-invalid{border-color:#b42340}
@media(max-width:960px){.theme-toggle{order:0;margin-left:auto;margin-right:14px}.menu-btn{order:1}}
html[data-theme="light"] .logo img{filter:brightness(0) saturate(100%);opacity:.85}

.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:10px}
.theme-toggle .theme-moon{display:none}
html[data-theme="light"] .theme-toggle .theme-sun{display:none}
html[data-theme="light"] .theme-toggle .theme-moon{display:block}

.nav nav .theme-toggle{order:0;margin:0}
@media(max-width:960px){.nav nav .theme-toggle{margin:10px 0}}

/* Soft color depth for the two AI pages in light mode. */
html[data-theme="light"] .ai-page{background:radial-gradient(ellipse 85% 650px at 0% 30%,rgba(112,81,225,.09),transparent 75%),radial-gradient(ellipse 80% 650px at 100% 65%,rgba(34,180,214,.1),transparent 75%),#f7f9ff}
html[data-theme="light"] .ai-page .hero{background:radial-gradient(ellipse at 15% 15%,rgba(79,140,255,.2),transparent 60%),radial-gradient(ellipse at 85% 25%,rgba(139,92,246,.18),transparent 60%),linear-gradient(160deg,#edf3ff,#f0eaff 55%,#e8f8fc)}
html[data-theme="light"] .ai-page .alt{background:linear-gradient(125deg,rgba(219,232,255,.75),rgba(237,225,255,.65) 55%,rgba(218,245,249,.65))}
html[data-theme="light"] .ai-page .card{background:linear-gradient(145deg,#fff 5%,#eff0ff 65%,#e9f5ff);box-shadow:0 12px 32px rgba(66,74,145,.05)}
html[data-theme="light"] .ai-page .modes .card.feat{background:linear-gradient(140deg,#e9dfff,#dfeaff 65%,#e4f6fa);border-color:rgba(117,65,209,.4)}
html[data-theme="light"] .ai-page .mock,html[data-theme="light"] .ai-page .vol{background:linear-gradient(145deg,#fff,#eef0ff 65%,#e7f5fc)}

/* Hybrid use-case explorer */
.scenario-switch{display:flex;width:fit-content;max-width:100%;gap:6px;padding:6px;margin:0 auto;background:var(--bg2);border:1px solid var(--line);border-radius:16px}
.scenario-switch button{border:0;border-radius:11px;padding:12px 25px;color:var(--muted);background:transparent;font:inherit;font-weight:600;font-size:.95rem;cursor:pointer}
.scenario-switch button[aria-pressed="true"]{background:var(--grad);color:#fff;box-shadow:0 4px 16px rgba(79,140,255,.2)}
.scenario-hint{text-align:center;color:var(--muted);font-size:.9rem;margin:18px 0 28px}
.scenario-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:28px}
.scenario-cards[data-scenario-group="ai"]{grid-template-columns:repeat(3,minmax(0,1fr))}
.scenario-cards[hidden]{display:none}
.scenario-card{text-align:left;color:var(--text);font:inherit;cursor:pointer;padding:24px;min-width:0}
.scenario-card .h3{display:block;font-size:1.1rem;line-height:1.25;margin:18px 0 10px}
.scenario-card>span:last-child{display:block;color:var(--muted);font-size:.9rem}
.scenario-card[aria-pressed="true"]{border-color:var(--brand2);box-shadow:0 0 0 1px var(--brand2),0 10px 30px rgba(139,92,246,.1)}
.scenario-card:focus-visible,.scenario-switch button:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.scenario-stage{border:1px solid var(--line);border-radius:24px;padding:32px;background:linear-gradient(135deg,rgba(79,140,255,.07),rgba(139,92,246,.08)),var(--bg2)}
.scenario-stage-head{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:30px}
.scenario-stage-head .eyebrow{margin:0}
.scenario-flow{display:grid;grid-template-columns:1fr 48px 1fr 110px 1fr;align-items:center;gap:12px}
.scenario-node{align-self:stretch;padding:24px 18px;border:1px solid var(--line);border-radius:18px;background:var(--card)}
.scenario-orb{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:rgba(79,140,255,.12);color:var(--brand);font-size:1.5rem;margin-bottom:18px}
.scenario-node strong{display:block;line-height:1.35}
.scenario-node p{font-size:.9rem;color:var(--muted);margin-top:10px}
.scenario-primary{border-color:rgba(79,140,255,.5)}
.scenario-backup{border-color:rgba(139,92,246,.5)}
.scenario-connector{text-align:center;color:var(--brand2);position:relative}
.scenario-connector span{display:block;font-size:2rem;animation:scenarioPulse 2s ease-in-out infinite}
.scenario-connector small{display:block;font-size:.75rem;line-height:1.5;color:var(--muted)}
.scenario-footnote{font-size:.8rem;color:var(--muted);margin-top:24px}
@keyframes scenarioPulse{50%{transform:translateX(4px);opacity:.55}}
@media(max-width:960px){.scenario-cards,.scenario-cards[data-scenario-group="ai"]{grid-template-columns:repeat(2,minmax(0,1fr))}.scenario-flow{grid-template-columns:1fr}.scenario-connector span{transform:rotate(90deg);animation:none}.scenario-stage{padding:24px}.scenario-node{display:grid;grid-template-columns:48px 1fr;column-gap:18px}.scenario-orb{grid-row:span 2;margin:0}.scenario-node p{grid-column:2}.scenario-connector{padding:5px}}
@media(max-width:560px){.scenario-cards,.scenario-cards[data-scenario-group="ai"]{grid-template-columns:1fr}.scenario-card{padding:20px;display:grid;grid-template-columns:48px 1fr;gap:0 16px}.scenario-card .ico{grid-row:span 2}.scenario-card .h3{margin:0 0 8px}.scenario-card>span:last-child{grid-column:2}.scenario-node{padding:20px 14px}.scenario-switch button{padding:12px 20px}}
@media(prefers-reduced-motion:reduce){.scenario-connector span{animation:none}}
#hybrid-scenarios{scroll-margin-top:90px}

/* Large dotted sphere behind the AI-only hero. */
.ai-only-page .ai-dot-sphere{position:absolute;right:-60px;top:0;width:700px;height:700px;pointer-events:none;opacity:.55;mask-image:linear-gradient(90deg,transparent,#000 30%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 30%)}
html[data-theme="light"] .ai-only-page .ai-dot-sphere{opacity:.55}
@media(max-width:767px){
  .ai-only-page .ai-dot-sphere{display:block;width:580px;height:580px;right:-330px;top:55px;opacity:.38;mask-image:linear-gradient(90deg,transparent 4%,rgba(0,0,0,.35) 24%,#000 55%);-webkit-mask-image:linear-gradient(90deg,transparent 4%,rgba(0,0,0,.35) 24%,#000 55%)}
  html[data-theme="light"] .ai-only-page .ai-dot-sphere{opacity:.25}
}

/* Executel colors for Osano banner actions; both choices share the same styling. */
html .osano-cm-dialog button.osano-cm-button{background:linear-gradient(135deg,#426bdc 0%,#7541d1 55%,#08788d 100%)!important;border-color:#426bdc!important;color:#fff!important}
html .osano-cm-dialog button.osano-cm-button:hover{background:linear-gradient(135deg,#3559bd 0%,#6235b5 55%,#076779 100%)!important;border-color:#3559bd!important;color:#fff!important}
html .osano-cm-dialog button.osano-cm-button:focus-visible{outline:3px solid #08788d!important;outline-offset:3px!important}