/* Layout: sober two-column hero with a live "inside your app" mock, then stacked full-width bands on a cool paper ground; one dark ink band carries the model comparison. */
:root{
  --paper:#F4F6FA;
  --surface:#FFFFFF;
  --ink:#0B2240;
  --muted:#4B5874;
  --line:#D9E0EC;
  --accent:#2343B5;
  --accent-ink:#FFFFFF;
  --accent-soft:#E6EBFA;
  --teal:#0E8577;
  --teal-soft:#E1F3F0;
  --band:#0B2240;
  --band-fg:#E9EDF6;
  --band-muted:#A3AECA;
  --band-line:#24324F;
  --band-card:#132143;
  --shadow:0 1px 2px rgba(12,23,49,.06),0 12px 32px -12px rgba(12,23,49,.18);
  --f-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",Roboto,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --maxw:1180px;
  --gutter:clamp(16px,4vw,32px);
  color-scheme:light;
}
*{box-sizing:border-box}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.sent.err{background:#FDECEC}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,4.6vw,3.5rem);line-height:1.04;font-weight:750;font-stretch:88%}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.1;font-weight:720;font-stretch:90%}
h3{font-size:1.25rem;line-height:1.25;font-weight:680}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);font-weight:500}
.lede{font-size:1.15rem;color:var(--muted);max-width:60ch}
.sec{padding-block:clamp(64px,9vw,112px)}
.sec-head{display:grid;gap:14px;max-width:760px;margin-bottom:clamp(32px,5vw,56px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .98rem/1 var(--f-body);padding:15px 22px;border-radius:10px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo{gap:12px}
.logo .mark{display:block;height:40px;width:auto;flex:none}
@media (max-width:420px){.logo .mark{height:32px}}
.logo .sep{width:1.5px;height:24px;background:var(--line);flex:none}
.logo .sub{font-family:var(--f-display);font-size:1.3rem;font-weight:520;letter-spacing:-.01em;color:var(--accent);line-height:1;white-space:nowrap}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;font-size:.94rem;color:var(--muted)}
.nav ul a{text-decoration:none}
.nav ul a:hover{color:var(--ink)}
.nav .btn{padding:11px 16px;font-size:.9rem}
@media (max-width:960px){.nav ul{display:none}}

.nav .btn .short{display:none}
@media (max-width:480px){.nav .btn{padding:10px 12px;font-size:.84rem}.nav .btn .long{display:none}.nav .btn .short{display:inline}}

/* hero */
.hero{padding-block:clamp(48px,7vw,88px) clamp(56px,7vw,96px)}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-copy{display:grid;gap:24px;min-width:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.backing{display:flex;align-items:center;gap:10px;font-size:.86rem;color:var(--muted);padding-top:20px;border-top:1px solid var(--line)}
.backing svg{flex:none;color:var(--teal)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* live mock */
.demo{display:grid;gap:16px;justify-items:center;min-width:0}
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;padding:5px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.tab{font:500 .86rem/1 var(--f-body);color:var(--muted);background:transparent;border:0;padding:10px 13px;border-radius:8px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--ink);color:var(--paper)}
.phone{width:330px;max-width:100%;background:var(--ink);border-radius:38px;padding:10px;box-shadow:var(--shadow)}
.screen{background:var(--surface);border-radius:30px;min-height:500px;overflow:hidden;display:flex;flex-direction:column}
.status{display:flex;justify-content:space-between;font:500 .72rem/1 var(--f-mono);color:var(--muted);padding:14px 22px 8px}
.app-head{padding:8px 20px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.app-logo{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font:700 .8rem/1 var(--f-display);color:#fff;flex:none}
.app-head .t{font-weight:600;font-size:.92rem;line-height:1.2}
.app-head .s{font-size:.74rem;color:var(--muted)}
.panel{padding:16px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.panel-wrap{display:flex;flex-direction:column;flex:1}
[hidden]{display:none!important}
.row{display:flex;justify-content:space-between;gap:10px;font-size:.86rem}
.row .v{font-variant-numeric:tabular-nums;font-weight:500}
.total{border-top:1px dashed var(--line);padding-top:10px;font-weight:600}
.opt{border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;display:flex;gap:10px;align-items:flex-start;font-size:.84rem;line-height:1.35}
.opt .dot{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--muted);flex:none;margin-top:1px}
.opt.on{border-color:var(--accent);background:var(--accent-soft)}
.opt.on .dot{border:5px solid var(--accent)}
.opt small{display:block;color:var(--muted);font-size:.76rem}
.tag{display:inline-block;font:500 .66rem/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--teal);background:var(--teal-soft);padding:4px 6px;border-radius:4px;margin-top:5px}
.mbtn{margin-top:auto;background:var(--accent);color:var(--accent-ink);text-align:center;font-weight:600;font-size:.9rem;padding:13px;border-radius:12px}
.fine{font-size:.7rem;color:var(--muted);line-height:1.35;text-align:center}
.big{font-family:var(--f-display);font-size:2rem;font-weight:720;font-stretch:90%;font-variant-numeric:tabular-nums;line-height:1.1}
.label{font-size:.76rem;color:var(--muted)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;width:40%;background:var(--teal);border-radius:99px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font:500 .8rem/1 var(--f-body);border:1.5px solid var(--line);padding:9px 11px;border-radius:99px;font-variant-numeric:tabular-nums}
.chip.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.card-mini{background:var(--paper);border-radius:12px;padding:14px;display:grid;gap:6px}
.pill{font:500 .7rem/1 var(--f-mono);padding:5px 8px;border-radius:99px;background:var(--teal-soft);color:var(--teal);text-transform:uppercase;letter-spacing:.05em}
.payee{display:flex;justify-content:space-between;gap:8px;font-size:.8rem;padding-block:7px;border-bottom:1px solid var(--line)}
.payee .v{font-variant-numeric:tabular-nums}
.payee .ok{color:var(--teal);font-weight:600}
.demo-cap{font-size:.8rem;color:var(--muted);text-align:center}

/* proof strip */
.proof{border-block:1px solid var(--line);background:var(--surface)}
.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.proof-item{padding:28px 24px 28px 0;display:grid;gap:6px;min-width:0}
.proof-item + .proof-item{padding-left:24px;border-left:1px solid var(--line)}
.proof-item h3{font-size:1.02rem}
.proof-item p{font-size:.88rem;color:var(--muted);line-height:1.5}
@media (max-width:900px){.proof .wrap{grid-template-columns:1fr 1fr}.proof-item:nth-child(3){padding-left:0;border-left:0}.proof-item:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:520px){.proof .wrap{grid-template-columns:1fr}.proof-item,.proof-item + .proof-item{padding-left:0;border-left:0}.proof-item + .proof-item{border-top:1px solid var(--line)}}

/* products */
.products{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(24px,3vw,34px);display:grid;gap:16px;align-content:start;min-width:0}
.prod-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.prod .kind{font-family:var(--f-mono);font-size:.74rem;color:var(--muted);letter-spacing:.04em;margin-top:6px}
.prod h3{font-size:1.5rem;font-stretch:92%}
.prod h3 span{color:var(--accent);font-weight:450}
.prod-ico{width:44px;height:44px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:none}
.prod p{color:var(--muted)}
.prod ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:.93rem}
.prod li{display:grid;grid-template-columns:18px 1fr;gap:10px}
.prod li svg{margin-top:4px;color:var(--teal)}
.prod .for{font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.prod .for b{color:var(--ink);font-weight:600}
@media (max-width:820px){.products{grid-template-columns:1fr}}

/* model band */
.band{background:var(--band);color:var(--band-fg)}
.band .eyebrow{color:var(--teal)}
.band .lede{color:var(--band-muted)}
.models{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.model{border:1px solid var(--band-line);border-radius:16px;padding:clamp(22px,3vw,32px);display:grid;gap:22px;align-content:start;min-width:0}
.model.us{background:var(--band-card);border-color:color-mix(in srgb,var(--teal) 45%,var(--band-line))}
.model h3{font-size:1.1rem;color:var(--band-fg)}
.model .k{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--band-muted)}
.flow{display:grid;gap:0;justify-items:stretch}
.node{border:1px solid var(--band-line);border-radius:10px;padding:14px 16px;display:grid;gap:2px}
.node b{font-weight:600;font-size:.98rem}
.node small{color:var(--band-muted);font-size:.82rem}
.node.si{border-color:var(--teal);background:color-mix(in srgb,var(--teal) 10%,transparent)}
.link{height:26px;display:grid;place-items:center;color:var(--band-muted)}
.link svg{display:block}
.caps{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.caps span{font:500 .72rem/1 var(--f-mono);padding:6px 8px;border-radius:6px;background:color-mix(in srgb,var(--teal) 18%,transparent);color:var(--band-fg)}
.model .sum{font-size:.92rem;color:var(--band-muted);border-top:1px solid var(--band-line);padding-top:16px}
.model.us .sum{color:var(--band-fg)}
@media (max-width:820px){.models{grid-template-columns:1fr}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:2px solid var(--ink)}
.step{padding:24px 22px 0 0;display:grid;gap:10px;align-content:start;min-width:0}
.step + .step{padding-left:22px;border-left:1px solid var(--line)}
.step .n{font-family:var(--f-mono);font-size:.8rem;color:var(--accent);font-weight:500}
.step p{font-size:.92rem;color:var(--muted)}
.step .who{font-family:var(--f-mono);font-size:.72rem;color:var(--teal);letter-spacing:.04em}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:28px}.step:nth-child(3){padding-left:0;border-left:0}}
@media (max-width:540px){.steps{grid-template-columns:1fr}.step,.step + .step{padding-left:0;border-left:0}}

/* industries */
.inds{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.ind{padding:26px;display:grid;gap:10px;align-content:start;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0}
.ind:nth-child(3n){border-right:0}
.ind:nth-last-child(-n+3){border-bottom:0}
.ind p{font-size:.9rem;color:var(--muted)}
.ind .uses{display:flex;flex-wrap:wrap;gap:6px}
.ind .uses span{font:500 .72rem/1 var(--f-mono);padding:6px 8px;border-radius:6px;background:var(--accent-soft);color:var(--accent)}
@media (max-width:900px){.inds{grid-template-columns:1fr 1fr}.ind:nth-child(3n){border-right:1px solid var(--line)}.ind:nth-child(2n){border-right:0}.ind:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.ind:nth-last-child(-n+2){border-bottom:0}}
@media (max-width:560px){.inds{grid-template-columns:1fr}.ind,.ind:nth-child(3n){border-right:0}.ind:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.ind:last-child{border-bottom:0}}

/* developers */
.dev{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:start}
.modes{display:grid;gap:14px;margin-top:28px}
.mode{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.mode .m{font-family:var(--f-mono);font-size:.74rem;color:var(--accent);padding-top:3px;min-width:84px}
.mode b{display:block;font-weight:600}
.mode p{font-size:.9rem;color:var(--muted)}
.code{background:var(--band);color:var(--band-fg);border-radius:16px;overflow:hidden;min-width:0;box-shadow:var(--shadow)}
.code-head{display:flex;justify-content:space-between;gap:10px;padding:12px 18px;border-bottom:1px solid var(--band-line);font:500 .74rem/1.3 var(--f-mono);color:var(--band-muted)}
.code pre{margin:0;padding:18px;overflow-x:auto;font:400 .82rem/1.65 var(--f-mono)}
.code .c{color:var(--band-muted)}
.code .s{color:#9FE3D5}
.code .k{color:#B7C6FF}
.code .n{color:#FFD7A3}
@media (max-width:900px){.dev{grid-template-columns:1fr}}

/* faq */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,64px);align-items:start}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:20px 36px 20px 0;font-weight:600;font-size:1.04rem;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details p{padding:0 0 22px;color:var(--muted);max-width:64ch}
@media (max-width:900px){.faq{grid-template-columns:1fr}}

/* contact */
.contact{background:var(--surface);border:1px solid var(--line);border-radius:20px;display:grid;grid-template-columns:.9fr 1.1fr;overflow:hidden}
.contact-info{padding:clamp(28px,4vw,48px);display:grid;gap:22px;align-content:start;background:var(--accent-soft)}
.contact-info dl{margin:0;display:grid;gap:14px}
.contact-info dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.contact-info dd{margin:2px 0 0;font-weight:500;user-select:all;overflow-wrap:anywhere}
form{padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
.field{display:grid;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
label{font-size:.84rem;font-weight:500}
input,select,textarea{font:inherit;font-size:.95rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:10px;padding:12px 13px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{min-height:96px;resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:99px;padding:8px 13px;font-weight:500;cursor:pointer;background:var(--paper)}
.checks input{width:auto;accent-color:var(--accent)}
.checks label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form-foot small{color:var(--muted);font-size:.78rem;flex:1;min-width:200px}
.sent{grid-column:1/-1;background:var(--teal-soft);color:var(--ink);border-radius:12px;padding:14px 16px;font-size:.92rem}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
@media (max-width:520px){form{grid-template-columns:1fr}}

/* group */
.group{margin-top:clamp(64px,9vw,112px);background:var(--surface);border-block:1px solid var(--line)}
.group .wrap{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(20px,4vw,48px);align-items:center;padding-block:36px}
.group-logo{display:flex;align-items:center;min-height:44px}
.group-logo .ph{font-family:var(--f-display);font-weight:780;font-size:1.35rem;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.group-copy{display:grid;gap:6px;min-width:0}
.group-copy .eyebrow{color:var(--muted)}
.group-copy p{font-size:.94rem;color:var(--muted)}
.group-copy p b{color:var(--ink);font-weight:600}
.group .btn{white-space:nowrap}
@media (max-width:820px){.group .wrap{grid-template-columns:1fr}}

/* footer */
footer{padding-block:48px 40px;}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:28px}
.foot-links{display:flex;flex-wrap:wrap;gap:22px;font-size:.9rem;color:var(--muted)}
.foot-links a{text-decoration:none}
.legal{font-size:.76rem;color:var(--muted);line-height:1.6;display:grid;gap:10px;max-width:110ch}