/* DIFF / i-BOT editorial family, 14.10.2026. Brand artwork stays original. */
:root{--bg:#f5f8fa;--surface:#fff;--line:#c5d4da;--text:#10172c;--muted:#536777;--accent:#123d46}
body{background:var(--bg)}header{background:#f5f8faf5;border-color:var(--line);backdrop-filter:blur(18px)}
h1 span{background:none;color:#123d46;-webkit-text-fill-color:currentColor}h1{font-weight:500}h2{font-weight:500}h3{font-weight:500}
.hero{gap:58px;padding:68px 0 74px;min-height:0}.hero p{max-width:520px}.hero .actions{margin-top:26px}.hero-footnote{margin-top:24px;font-size:12px;letter-spacing:.07em}
.button{border-radius:3px;box-shadow:none!important;background:#123d46}.button:hover{background:#205863;transform:none}.button.secondary{border-color:#b6c9d0;background:transparent}.button.secondary:hover{background:#e7f0f2;border-color:#8aadb8}
.hero-art{transform:none;border-radius:4px;background:#e7f0f2;border:1px solid var(--line);padding:12px;box-shadow:none}.hero-art img{border-radius:2px}.art-label,.hero-art figcaption{color:#31545f;font-size:12px}.strip{font-size:14px}.eyebrow{color:#123d46;font-size:12px;letter-spacing:.12em}
section{padding:84px 0}.card{padding:28px 0}.number{color:#31545f;font-size:12px}.card h3{font-size:1.45rem}.card p{font-size:16px;line-height:1.75}.usecases{background:#e8f0f3;border-color:var(--line)}.usecases .card{border:0;border-top:1px solid #a9c1c9;border-radius:0;background:transparent;box-shadow:none;padding:28px 0}.verification{background:#fff;border-color:var(--line)}.verification figure img{border-radius:3px;box-shadow:none}.editorial-note{border-color:#8aadb8}.updates{background:#e8f0f3;border-color:var(--line)}.updates .card{border-radius:0;background:transparent;border:0;border-top:1px solid #a9c1c9;padding:28px 0}
.diff-quickpaths{display:grid;max-width:530px;margin-top:26px}.diff-quickpaths a{display:grid;grid-template-columns:28px minmax(0,1fr) 18px;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line);min-height:64px}.diff-quickpaths a>span:first-child{font-size:12px;color:#31545f}.diff-quickpaths strong{display:block;font-size:14px;font-weight:600}.diff-quickpaths small{display:block;font-size:12px;color:var(--muted)}.diff-quickpaths a:hover strong{color:#8e2948}
.diff-section-head{display:grid;grid-template-columns:1fr .7fr;gap:70px;align-items:end;margin-bottom:40px}.diff-section-head h2{margin:16px 0 0}.diff-section-head>p{font-size:16px;max-width:400px;margin:0 0 4px}.diff-practice-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.45fr);gap:48px;align-items:start}.diff-tabs{display:grid}.diff-tabs button{font:inherit;text-align:left;background:transparent;border:0;border-top:1px solid var(--line);padding:24px 26px 24px 0;position:relative;cursor:pointer;color:var(--text);min-height:130px}.diff-tabs button>span{display:block;font-size:12px;letter-spacing:.08em;color:#536777;margin-bottom:12px}.diff-tabs strong{display:block;font:500 24px/1.25 'Space Grotesk',Arial,sans-serif;letter-spacing:-.03em}.diff-tabs small{display:block;font-size:13px;color:var(--muted);margin-top:10px}.diff-tabs button[aria-selected=true]{border-top-color:#123d46;color:#123d46}.diff-tabs button[aria-selected=true]:after{content:'↗';position:absolute;right:0;top:22px}.diff-tabs button:focus-visible,.diff-panel:focus-visible{outline:3px solid #8e2948;outline-offset:4px}.diff-panel[hidden]{display:none!important}.diff-panel{padding:32px;background:#123d46;color:#fff;min-width:0}.diff-panel h3{font-size:30px;line-height:1.2;letter-spacing:-.04em;margin:12px 0 26px}.diff-panel p{color:#ecf3f5}.diff-panel .comparison-copy .eyebrow{color:#b6d4da}.diff-panel .comparison-copy h2{font-size:30px;margin:16px 0;line-height:1.1}.diff-panel .comparison-copy p{font-size:15px}.diff-panel .text-link{display:none}.diff-panel .demo{margin-top:26px;transform:none;border-radius:3px;border:0;box-shadow:none}.diff-panel .demo p{color:#44506a}.diff-panel .demo-head{padding:14px 18px}.diff-panel .badge{color:#31545f;background:#e8f0f3}.diff-panel .documents{padding:14px;gap:12px;background:#e8f0f3}.diff-panel .paper{padding:20px 14px;border-radius:2px;box-shadow:none}.diff-panel .paper h3{font-size:19px;line-height:1.2;letter-spacing:-.03em;margin:18px 0;color:#10172c}.diff-panel .paper p{font-size:15px;margin:0}.diff-panel .legend{padding:12px 16px;font-size:12px}.diff-panel .demo-note{padding:12px 16px;font-size:12px;line-height:1.6}.diff-panel-label{font-size:12px;letter-spacing:.08em;color:#b6d4da!important}.diff-panel ol{list-style:none;margin:28px 0;padding:0}.diff-panel li{padding:18px 0;border-top:1px solid #ffffff30;display:grid;grid-template-columns:90px minmax(0,1fr);gap:20px}.diff-panel li>span{font-size:13px;color:#b6d4da}.diff-panel li p{font-size:16px;line-height:1.7;margin:0}.diff-panel-note{font-size:13px;line-height:1.7;color:#ccdfe3!important}.diff-panel-link{display:inline-flex;gap:24px;align-items:center;min-height:44px;border-bottom:1px solid #86acb4;font-size:14px}
.contact.contact-grid{border-radius:4px;background:#e7f0f2;color:var(--text);border:1px solid #bbd0d6;box-shadow:none}.contact-copy p{color:#536777}.contact .eyebrow{color:#31545f}.contact-email{color:#123d46}.contact-steps{color:#536777}.contact-panel{border-radius:3px;box-shadow:none;border:1px solid var(--line)}.contact-field input,.contact-field textarea{border-radius:3px;background:#f7fafb;border-color:#c5d4da}.contact-panel .button{background:#123d46;border-radius:3px}.contact-panel .button:hover{background:#205863;color:#fff}
footer.diff-footer{background:#f5f8fa;padding:0;color:#10172c;font-size:14px}footer.diff-footer .wrap{display:block}.df-callout{background:#123d46;color:#fff;padding:38px 0}.df-callout>.wrap{display:grid!important;grid-template-columns:1fr auto;align-items:center;gap:30px}.df-callout h2{color:#fff;font-size:clamp(34px,4.4vw,56px);line-height:1.08;margin:0}.df-callout h2 span{color:#b6d4da}.df-callout a{color:#fff;display:inline-flex;gap:24px;align-items:center;min-height:48px;border-bottom:1px solid #86acb4;font-size:14px}.df-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.65fr) minmax(0,1.5fr);gap:48px;padding:40px 0}.df-logo{width:150px;height:75px;object-fit:contain;display:block;object-position:left center}.df-summary p{font-size:14px;color:#536777;line-height:1.7;margin:14px 0}.df-summary>a:last-child{font-size:14px;color:#8e2948;display:inline-flex;align-items:center;min-height:44px}.df-nav{display:flex;flex-direction:column;gap:2px}.df-label{display:block;font-size:10px;letter-spacing:.1em;color:#536777;margin-bottom:14px}.df-nav a{font-size:14px;min-height:40px;display:flex;align-items:center}.df-nav a:hover,.df-domain{color:#8e2948}.df-brand{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;align-items:center;min-height:105px;padding:8px 0 22px}.df-brand+.df-brand{border-top:1px solid #c5d4da;padding-top:22px;padding-bottom:4px}.df-brand img{display:block;width:150px;height:auto;max-width:100%;object-fit:contain}.df-brand .df-label{margin-bottom:8px}.df-brand p{font-size:13px;line-height:1.6;color:#536777;margin:0}.df-domain{display:block;font-size:13px;margin-top:8px}.df-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid #c5d4da;padding:18px 0;color:#536777;font-size:12px}.df-bottom a{min-height:30px;display:inline-flex;align-items:center}
@media(min-width:1001px){.df-brands{padding-top:4px}}@media(max-width:1060px){.hero{gap:32px}.diff-practice-layout{gap:30px}.diff-section-head{gap:40px}}
@media(max-width:1000px){.df-grid{grid-template-columns:1fr 1fr;gap:30px}.df-brands{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:32px}.df-brand{grid-template-columns:1fr;gap:12px;padding:0}.df-brand+.df-brand{border:0;padding:0}.df-callout>.wrap{grid-template-columns:1fr!important;gap:24px}.df-callout a{justify-self:start}}
@media(max-width:850px){section{padding:64px 0}.hero{padding:48px 0;gap:34px}.hero-art{max-width:650px}.hero .intro{max-width:650px}.diff-quickpaths{max-width:none}.diff-practice-layout,.diff-section-head{grid-template-columns:1fr;gap:24px}.diff-section-head>p{max-width:620px}.diff-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.diff-tabs button{min-height:160px;padding:20px 18px 20px 0}.diff-tabs strong{font-size:20px}.diff-tabs button[aria-selected=true]:after{right:0;font-size:14px}.diff-tabs small{font-size:12px}.diff-panel{padding:28px}.contact.contact-grid{border-radius:4px}}
@media(max-width:520px){.hero{padding-top:34px}.hero-footnote{font-size:10px;line-height:1.8}.hero-art{padding:8px}.art-label,.hero-art figcaption{font-size:11px}.diff-tabs{grid-template-columns:1fr;gap:0}.diff-tabs button{min-height:100px;padding:16px 26px 16px 0}.diff-tabs button>span{margin-bottom:8px}.diff-tabs strong br{display:none}.diff-tabs strong{font-size:22px}.diff-panel{padding:20px}.diff-panel .documents{grid-template-columns:1fr;gap:10px}.diff-panel .paper h3{margin:12px 0}.diff-panel .paper{padding:16px}.diff-panel li{grid-template-columns:1fr;gap:8px}.diff-panel h3{font-size:26px}.diff-panel .comparison-copy h2{font-size:27px}.df-grid{grid-template-columns:1fr 1fr;gap:22px;padding:30px 0}.df-brands{grid-template-columns:1fr;gap:22px}.df-brand{grid-template-columns:130px minmax(0,1fr);gap:20px}.df-brand+.df-brand{border-top:1px solid #c5d4da;padding-top:22px}.df-callout{padding:30px 0}.df-callout a{font-size:13px}.df-callout h2{font-size:34px}.df-logo{width:130px;height:65px}.df-summary p{font-size:13px}.df-summary>a:last-child{font-size:13px}.contact.contact-grid{padding:24px 16px}}
@media(max-width:380px){.df-grid{grid-template-columns:1fr}.df-brands{grid-column:auto}.df-brand{grid-template-columns:1fr}.df-callout a{gap:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.button{transition:none}}@media(forced-colors:active){.diff-tabs button[aria-selected=true]{border:2px solid Highlight}.diff-panel,.df-callout{border:1px solid CanvasText}h1 span{-webkit-text-fill-color:CanvasText}}

/* Audited layout corrections / v2. The entire demo belongs to its text panel. */
h1{font-size:clamp(2.8rem,4.8vw,4.6rem);line-height:1.08;letter-spacing:-.05em}
h2{font-size:clamp(2.2rem,3.8vw,3.45rem);line-height:1.14;letter-spacing:-.045em;text-wrap:balance}
h3{letter-spacing:-.025em}h1,h2,h3{overflow-wrap:normal;word-break:normal}
.hero{padding:54px 0 42px;align-items:center;gap:54px}.hero p{font-size:1.06rem;line-height:1.75}.hero-art{align-self:center}.hero-footnote{font-size:12px;letter-spacing:.03em;color:#536777}
.diff-quickpaths{max-width:1260px;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:0 auto 34px}.diff-quickpaths a{padding:16px 0;align-content:start}.diff-quickpaths strong{font-size:15px;line-height:1.5}.diff-quickpaths small{font-size:13px;line-height:1.6}.strip{padding:22px 0;font-size:14px;line-height:1.6}
.diff-section-head{grid-template-columns:minmax(0,1fr) minmax(0,.65fr);gap:64px;align-items:end}.diff-section-head>p{line-height:1.75}
.diff-practice-layout{grid-template-columns:minmax(0,.72fr) minmax(0,1.45fr);gap:40px}.diff-panels{min-width:0}.diff-panel{padding:30px;border-radius:3px;box-shadow:none;min-width:0;overflow-wrap:break-word}.diff-panel .comparison-copy h3{font-size:28px;line-height:1.18;letter-spacing:-.035em;margin:14px 0}.diff-panel .comparison-copy p{font-size:15px;line-height:1.75;margin-bottom:0}.diff-panel .demo{margin-top:24px;width:100%;transform:none;border-radius:3px;box-shadow:none;overflow:hidden}.diff-panel .demo-head{color:#10172c;font-size:13px}.diff-panel .documents{padding:12px;gap:12px}.diff-panel .paper{padding:18px 14px}.diff-panel .paper .label{font-size:12px;line-height:1.5}.diff-panel .paper p{font-size:14px;line-height:1.8}.diff-panel .paper h3{font-size:20px;line-height:1.3}.diff-panel .demo-note{color:#536777;background:#f5f8fa;font-size:12px}.diff-tabs button{min-height:132px}.diff-tabs strong{font-size:23px;line-height:1.3}.diff-tabs button[aria-selected=true]{border-top-width:2px}.diff-tabs button:focus-visible{outline-offset:3px}.diff-panel-link{color:#fff}.diff-panel-link:hover{border-bottom-color:#fff}.diff-panel:focus-visible{outline-offset:5px}
section{padding:72px 0}.grid{column-gap:30px;row-gap:14px;margin-top:36px}.card h3{line-height:1.3;margin:18px 0 14px}.card p{font-size:16px;line-height:1.75}.verification-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:6%}.verification figure img{aspect-ratio:1.2;object-fit:cover;object-position:center}.verification h2{font-size:clamp(2.2rem,3.4vw,3rem)}.verification .eyebrow{font-size:11px;letter-spacing:.08em}.verification-grid>div>p{font-size:16px;line-height:1.75}.verification-grid .editorial-note{font-size:14px}.faq{padding-top:70px;padding-bottom:70px}.faq summary{display:flex;align-items:baseline;justify-content:space-between;gap:18px;list-style:none;padding-right:4px;line-height:1.6;font-size:16px;min-height:28px}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:'+';font-size:24px;color:#31545f;line-height:1;flex:none}.faq details[open]>summary::after{content:'−'}.faq details{padding:20px 0}.faq details p{font-size:16px;line-height:1.8;padding-right:24px}.contact.contact-grid{margin-bottom:64px;padding:42px;gap:40px}.contact-copy h2{font-size:clamp(2.15rem,3.4vw,3rem);line-height:1.15;letter-spacing:-.04em}.contact-panel .button{font-size:15px;font-weight:600;line-height:1.5}.contact-steps{font-size:12px;letter-spacing:.06em}.contact-email{font-size:18px}.contact-field label{font-size:14px}.contact-field input,.contact-field textarea{font-size:16px}
.df-callout h2{font-size:clamp(32px,3.6vw,48px);letter-spacing:-.04em;line-height:1.14}.df-callout a{max-width:340px;line-height:1.6}.df-grid{grid-template-columns:minmax(0,.85fr) minmax(0,.6fr) minmax(0,1.5fr);gap:40px}.df-brand{grid-template-columns:145px minmax(0,1fr);gap:22px}.df-brand img{width:145px;max-height:60px;object-position:left center}.df-summary p{margin:10px 0 14px}.df-label{font-size:11px;letter-spacing:.075em}.df-nav .df-label{margin-top:6px}.df-logo{object-position:left center}.df-bottom{align-items:center}.df-bottom a:focus-visible{outline-offset:4px}
.diff-mobile-menu{display:none}
@media(min-width:851px){.diff-panel{min-height:530px}}
@media(max-width:1060px){.hero{gap:32px}.diff-practice-layout{gap:28px}.diff-quickpaths{gap:24px}.contact.contact-grid{padding:32px;gap:30px}.df-brand{grid-template-columns:130px minmax(0,1fr);gap:18px}}
@media(max-width:1000px){.df-grid{grid-template-columns:1fr 1fr;gap:28px}.df-brand{grid-template-columns:1fr;gap:12px}.df-brands{gap:28px}}
@media(max-width:850px){h1{font-size:clamp(2.8rem,7.5vw,4rem);line-height:1.08}.hero{padding:40px 0 32px;gap:28px}.hero-art{max-width:620px}.diff-quickpaths{grid-template-columns:1fr;gap:0;margin-bottom:26px}.diff-quickpaths a{min-height:70px}.diff-practice-layout,.diff-section-head{grid-template-columns:1fr;gap:24px}.diff-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.diff-tabs button{min-height:150px}.diff-tabs strong{font-size:20px}.diff-panel{padding:26px}.verification-grid{grid-template-columns:1fr;gap:30px}.verification figure img{aspect-ratio:3/2}.verification h2{max-width:650px}.contact.contact-grid{grid-template-columns:1fr;padding:30px;gap:26px}.contact-copy{padding:0}.contact-copy h2{max-width:550px}.contact-email{margin:12px 0 0}.contact-fields{grid-template-columns:1fr 1fr}.contact-copy h2 br{display:none}.contact-copy h2 br::after{content:' '}.contact-copy p{max-width:650px}.contact.contact-grid{margin-bottom:48px}.df-callout a{max-width:none}.nav{min-height:78px;gap:14px}.nav .links{margin-left:auto}.diff-mobile-menu{display:block;position:relative;border:0;padding:0;flex:none}.diff-mobile-menu summary{display:flex;align-items:center;gap:8px;min-height:44px;padding:9px 12px;border:1px solid #b6c9d0;border-radius:3px;cursor:pointer;font-size:13px;list-style:none;font-weight:600}.diff-mobile-menu summary::-webkit-details-marker{display:none}.diff-mobile-menu nav{position:absolute;right:0;top:calc(100% + 10px);width:min(280px,calc(100vw - 32px));background:#fff;border:1px solid #c5d4da;box-shadow:0 14px 32px #10172c18;padding:8px;z-index:25}.diff-mobile-menu nav a{display:flex;align-items:center;min-height:46px;padding:10px 12px;font-size:14px}.diff-mobile-menu nav a:hover{background:#e7f0f2}.diff-mobile-menu summary:focus-visible{outline:3px solid #8e2948;outline-offset:3px}section{padding:56px 0}.faq{padding-block:56px}}
@media(max-width:520px){.wrap{width:calc(100% - 32px)}h1{font-size:clamp(2.65rem,10.4vw,3.35rem);letter-spacing:-.045em}h2{font-size:clamp(2.1rem,8.2vw,2.65rem);letter-spacing:-.035em;line-height:1.15}.hero p{font-size:16px}.hero{padding-top:28px}.hero .actions{gap:10px}.hero .button{font-size:13px;padding:13px 16px}.hero-footnote{font-size:11px;line-height:1.8;letter-spacing:0}.hero-art{padding:8px}.diff-quickpaths strong{font-size:14px}.diff-quickpaths small{font-size:12px}.diff-tabs{grid-template-columns:1fr;gap:0}.diff-tabs button{min-height:98px;padding:16px 24px 16px 0}.diff-tabs strong{font-size:21px}.diff-panel{padding:20px}.diff-panel .comparison-copy h3{font-size:25px}.diff-panel .documents{grid-template-columns:1fr;gap:10px}.diff-panel .demo-head{padding:13px 14px;gap:8px;flex-wrap:wrap}.diff-panel .paper{padding:16px}.diff-panel h3{font-size:25px}.diff-panel li{grid-template-columns:1fr;gap:8px}.diff-panel .demo-note{font-size:11px}.strip{gap:12px}.strip span{font-size:13px}.grid{gap:10px;margin-top:26px}.card{padding-top:24px;padding-bottom:20px}.usecases .card,.updates .card{padding:24px 0}.contact.contact-grid{padding:24px 16px;gap:24px}.contact-copy h2{font-size:2.25rem}.contact-panel{padding:22px 16px}.contact-fields{grid-template-columns:1fr}.contact-panel .button{width:100%}.faq details p{padding-right:0;font-size:15px}.faq summary{font-size:15px}.verification figure img{aspect-ratio:4/3}.verification h2{font-size:2.2rem}.nav{min-height:72px;gap:8px}.nav .diff-logo{width:112px;height:56px}.nav .links{gap:0}.nav .button{font-size:12px;min-height:40px;padding:9px 10px;white-space:nowrap}.diff-mobile-menu summary{min-height:40px;font-size:12px;padding:9px}.df-grid{gap:22px}.df-brands{grid-template-columns:1fr}.df-brand{grid-template-columns:130px minmax(0,1fr);gap:18px}.df-brand img{width:130px}.df-callout h2{font-size:32px}.df-callout a{font-size:13px}.df-bottom{gap:8px}.df-label{font-size:10px}}
@media(max-width:380px){.df-grid{grid-template-columns:1fr}.df-brand{grid-template-columns:1fr}.df-brands{grid-column:auto}.df-callout a{gap:12px}.df-logo{height:58px}.df-summary p br{display:none}.df-summary p br::after{content:' '}}
@media print{header,.diff-mobile-menu,.diff-quickpaths,.actions,.diff-tabs,.contact,.df-callout,.df-nav,.df-summary>a:last-child,.df-bottom>a{display:none!important}body{background:#fff!important;color:#10172c}.wrap{width:100%;max-width:none}.hero{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:20px 0}.hero h1{font-size:36px}.hero p{font-size:12px}.hero-footnote{font-size:10px}.hero-art{break-inside:avoid}section{padding:24px 0}.diff-section-head{display:block;margin-bottom:20px}.diff-practice-layout{display:block}.diff-panels>.diff-panel,.diff-panels>.diff-panel[hidden]{display:block!important;min-height:0;margin:0 0 20px;break-inside:avoid;background:#fff!important;border:1px solid #c5d4da;color:#10172c;padding:20px}.diff-panel p,.diff-panel li>span,.diff-panel-label,.diff-panel-note,.diff-panel .eyebrow{color:#31545f!important}.diff-panel li{border-color:#c5d4da}.diff-panel-link{display:none}.diff-panel .documents{grid-template-columns:1fr 1fr}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card p{font-size:11px}h2{font-size:28px}.card h3{font-size:17px}.faq details{break-inside:avoid}footer.diff-footer{break-inside:avoid}.df-grid{grid-template-columns:1fr 1fr;padding:20px 0}.df-brands{grid-template-columns:1fr 1fr}.df-summary p,.df-brand p{font-size:11px}.df-brand{grid-template-columns:1fr}.df-bottom{font-size:10px}}

@media(max-width:850px){.contact-copy h2 br{display:initial}.contact-copy h2 br::after{content:none}}
@media(max-width:380px){.df-summary p br{display:initial}.df-summary p br::after{content:none}}

.hero p,.intro,.card p,.diff-panel p,.contact-copy p{ text-wrap:pretty; }