/* Layout: long, quiet pages — one idea per screen, white space instead of boxes, 1080px measure. Single light theme on purpose (it previews the public site). */
:root{
  --navy:#0E355A;--action:#1C77AE;--action-dk:#16639A;--sky:#3DA2D2;
  --ink-2:#4A5D70;--ink-3:#6F7F8F;--line:#E3E8EE;--mist:#F5F7FA;--paper:#FFFFFF;
  --ok-bg:#E7F3EC;--ok:#1D6B3E;--err:#B4322A;--err-bg:#FCEDEC;
  --font:"Inter",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1080px;--ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--navy);font-family:var(--font);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:rgba(255,255,255,.95)}
h1,h2,h3{margin:0;text-wrap:balance;letter-spacing:-0.022em;color:var(--navy)}
p{margin:0}
a{color:var(--action);text-decoration:none}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}


/* header */
header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;transition:border-color .3s}
header.nav.scrolled{border-bottom-color:var(--line)}
header.nav .wrap{display:flex;align-items:center;gap:28px;height:62px}
.lockup{display:flex;align-items:center;gap:8px}
.lockup .ic{height:30px;width:auto}
.lockup .wm{height:19px;width:auto}
header nav{display:flex;gap:28px;margin-left:auto;font-size:14.5px}
header nav a{color:var(--ink-2);position:relative;padding-block:4px}
header nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--action);transform:scaleX(0);transition:transform .3s var(--ease)}
header nav a:hover::after,header nav a[aria-current="page"]::after{transform:scaleX(1)}
header nav a[aria-current="page"]{color:var(--navy);font-weight:500}
.menu-btn{display:none;margin-left:auto;background:none;border:0;font:inherit;font-size:14.5px;color:var(--navy);cursor:pointer;padding:8px 4px;align-items:center;gap:8px}
.menu-btn .bars{width:18px;height:12px;position:relative;display:inline-block}
.menu-btn .bars::before,.menu-btn .bars::after{content:"";position:absolute;left:0;right:0;height:1.6px;background:currentColor;border-radius:2px;transition:transform .3s var(--ease),top .3s var(--ease)}
.menu-btn .bars::before{top:2px}.menu-btn .bars::after{top:9px}
.menu-btn[aria-expanded="true"] .bars::before{top:5.5px;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .bars::after{top:5.5px;transform:rotate(-45deg)}
.drawer{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:500;border-radius:980px;padding:12px 24px;border:0;cursor:pointer;white-space:nowrap;transition:background .2s,transform .2s var(--ease),box-shadow .2s}
.btn.primary{background:var(--action);color:#fff}
.btn.primary:hover{background:var(--action-dk);transform:translateY(-1px);box-shadow:0 8px 20px -10px rgba(28,119,174,.6)}
.btn.small{padding:8px 17px;font-size:14px}
.link{color:var(--action);font-weight:500;background:none;border:0;font:inherit;font-weight:500;cursor:pointer;padding:0}
.link::after{content:" ›";display:inline-block;transition:transform .25s var(--ease)}
.link:hover::after{transform:translateX(3px)}

section{padding-block:120px}
.eyebrow{font-size:14px;font-weight:600;color:var(--action);margin-bottom:14px}
.h-xl{font-size:clamp(40px,7vw,76px);font-weight:700;line-height:1.04;letter-spacing:-0.035em}
.h-lg{font-size:clamp(32px,5vw,52px);font-weight:700;line-height:1.08}
.h-sm{font-size:clamp(26px,3.6vw,38px);font-weight:700;line-height:1.12}
.lede{font-size:clamp(19px,2.2vw,22px);color:var(--ink-2);line-height:1.5;max-width:42ch}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
.mist{background:var(--mist)}
.rule{height:1px;background:var(--line);max-width:var(--wrap);margin:0 auto}

/* hero */
.hero{padding-block:100px 40px}
.hero .ctas{display:flex;gap:24px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:34px}
.hero .lede{margin-top:22px}
.fx{max-width:820px;margin:64px auto 0;border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:0 30px 60px -30px rgba(14,53,90,.25)}
.fx-top{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.fx-top .cell{border:1px solid var(--line);border-radius:6px;padding:2px 10px;color:var(--ink-2)}
.fx-top i{font-style:italic;font-family:Georgia,serif;font-weight:700;color:var(--ink-2)}
.fx-body{padding:26px 22px;font-size:clamp(16px,2.4vw,22px);font-weight:500;line-height:1.7;text-align:center;min-height:calc(1.7em + 52px);white-space:pre-wrap}
.fx-body .eq{color:var(--ink-3)}
.fx-body .minus{color:var(--ink-3);background:linear-gradient(var(--sky),var(--sky)) no-repeat 0 58%/100% 2px;transition:background-size .55s var(--ease)}
.fx-body .minus + .eq + .minus{transition-delay:.25s}
.js .fx-body:not(.struck) .minus{background-size:0% 2px}
.fx-body .typing::after{content:"";display:inline-block;width:2px;height:1.05em;background:var(--action);margin-left:2px;vertical-align:-0.15em;animation:blink .9s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.sheet{max-width:820px;margin:28px auto 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--paper);text-align:left}
.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.sheet-head b{font-weight:600;font-size:15px}
.sheet-head span{font-size:13px;color:var(--ink-3)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;border-radius:999px;padding:4px 11px;background:var(--ok-bg);color:var(--ok)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:#2E9A5B}
.pill.wait{background:#FFF4E0;color:#8A5A00}.pill.wait::before{background:#E0A020}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums;min-width:540px}
th,td{border-bottom:1px solid var(--line);padding:10px 14px;text-align:left}
th{font-weight:500;color:var(--ink-3);font-size:12.5px;background:var(--mist)}
td.num{text-align:right}td.ok{color:var(--ok)}
tr:last-child td{border-bottom:0}

/* sequence */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:64px;position:relative}
.flow::before{content:"";position:absolute;top:19px;left:12.5%;right:12.5%;height:1px;background:var(--line)}
.flow .st{text-align:center;position:relative;min-width:0}
.flow .n{width:38px;height:38px;margin:0 auto 18px;border-radius:50%;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;font-weight:600;font-size:14px;color:var(--ink-2)}
.flow h3{font-size:19px;font-weight:600}
.flow p{font-size:15px;color:var(--ink-2);margin-top:6px}
.flow.three{grid-template-columns:repeat(3,1fr)}
.flow.three::before{left:16.6%;right:16.6%}
.summary{margin:56px auto 0;max-width:36ch;font-size:clamp(20px,2.4vw,24px);font-weight:600;line-height:1.35;text-align:center}

.cols{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:64px}
.col{min-width:0;border-top:1px solid var(--line);padding-top:22px}
.col h3{font-size:19px;font-weight:600;line-height:1.3}
.col p{font-size:15.5px;color:var(--ink-2);margin-top:8px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:72px}
.step{min-width:0}
.step .k{font-size:15px;font-weight:600;color:var(--action)}
.step h3{font-size:24px;font-weight:700;margin-top:8px;letter-spacing:-0.02em}
.step p{color:var(--ink-2);margin-top:10px;font-size:16px}
.mini{margin-top:26px;border:1px solid var(--line);border-radius:12px;height:150px;position:relative;overflow:hidden;background:var(--paper)}
.mini .g{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 25px}
.mini .hl{position:absolute;background:rgba(61,162,210,.16);border:1.5px solid var(--sky);border-radius:3px}
.mini .tag{position:absolute;right:14px;bottom:14px}

/* split rows (features) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split > *{min-width:0}
.split.flip > :first-child{order:2}
.split .k{font-size:15px;font-weight:600;color:var(--action);margin-bottom:10px}
.split .lede{margin-top:18px;font-size:19px}
.ticks{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:13px}
.ticks li{display:flex;gap:12px;font-size:16.5px}
.ticks li::before{content:"";flex:0 0 18px;height:18px;margin-top:4px;border-radius:50%;background:var(--action) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.3l2.6 2.5L13 6.5' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}
.panel{border:1px solid var(--line);border-radius:16px;background:var(--paper);overflow:hidden;box-shadow:0 24px 50px -32px rgba(14,53,90,.3)}
.panel .ph{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.panel .ph b{color:var(--navy);font-weight:600;font-size:14px}
.rows{list-style:none;margin:0;padding:6px 0}
.rows li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 16px;font-size:14.5px;border-bottom:1px solid var(--line)}
.rows li:last-child{border-bottom:0}
.rows li span:first-child{min-width:0}
.rows small{display:block;color:var(--ink-3);font-size:12.5px}
.search{margin:14px 16px;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:14px;color:var(--ink-3);display:flex;gap:10px;align-items:center}
.devices{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:64px}
.devices > div{min-width:0;text-align:center}
.dev{height:120px;display:grid;place-items:end center;margin-bottom:22px}
.dev i{display:block;border:2px solid var(--navy);border-radius:10px;background:linear-gradient(var(--mist),var(--mist)) padding-box}
.devices h3{font-size:19px;font-weight:600}
.devices p{font-size:15.5px;color:var(--ink-2);margin-top:6px}

/* infra */
.infra{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.infra > *{min-width:0}
.diagram{width:100%;height:auto;max-width:100%}
.cap{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}

.badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.badges span{font-size:14px;font-weight:500;padding:8px 16px;border-radius:999px;border:1px solid var(--line)}
.endcta{display:flex;gap:24px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:38px}

/* contact */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:start}
.contact-grid > *{min-width:0}
.aside-note{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2);display:grid;gap:8px}
.aside-note b{color:var(--navy);font-weight:600}
.copyrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.copyrow code{font-family:inherit;font-weight:600;color:var(--navy);user-select:all}
.copybtn{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:4px 12px;cursor:pointer;color:var(--ink-2)}
form.demo{border:1px solid var(--line);border-radius:18px;padding:36px;background:var(--paper);box-shadow:0 30px 60px -40px rgba(14,53,90,.35);display:grid;gap:20px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.f2 > *{min-width:0}
.field{display:grid;gap:7px}
.field label,.field legend{font-size:14px;font-weight:500;color:var(--navy);padding:0}
.field .opt{color:var(--ink-3);font-weight:400}
.field input,.field textarea{font:inherit;font-size:16px;color:var(--navy);border:1px solid #CFD8E1;border-radius:10px;padding:12px 14px;background:var(--paper);width:100%;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--action);box-shadow:0 0 0 4px rgba(28,119,174,.14)}
.field .hint{font-size:13px;color:var(--ink-3)}
.field .msg{font-size:13px;color:var(--err);display:none}
.field.bad input,.field.bad textarea{border-color:var(--err);box-shadow:0 0 0 4px var(--err-bg)}
.field.bad .msg{display:block}
fieldset.field{border:0;margin:0;padding:0;min-width:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips label{font-weight:500;font-size:14px;border:1px solid #CFD8E1;border-radius:999px;padding:8px 15px;cursor:pointer;color:var(--ink-2);transition:all .2s}
.chips input:checked + label{background:var(--navy);border-color:var(--navy);color:#fff}
.chips input:focus-visible + label{outline:3px solid var(--sky);outline-offset:2px}
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formfoot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.formfoot small{color:var(--ink-3);font-size:13px;max-width:34ch}
.done{border:1px solid var(--line);border-radius:18px;padding:48px 36px;text-align:center;background:var(--paper)}
.done .tick{width:56px;height:56px;border-radius:50%;background:var(--ok-bg);display:grid;place-items:center;margin:0 auto 20px}
.done p{color:var(--ink-2);margin-top:10px}

/* section rhythm: white / blue tint, set per page by script */
main > section.band-b{background:var(--mist)}
main > section.divide,footer.divide{border-top:1px solid var(--line)}
/* footer */
footer{background:var(--mist);padding-block:56px 40px;font-size:13.5px;color:var(--ink-2)}
footer .fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
footer .fgrid > div{min-width:0}
footer h4{margin:0 0 12px;font-size:12px;font-weight:600;color:var(--navy);letter-spacing:.05em;text-transform:uppercase}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer a{color:var(--ink-2)}
footer a:hover{color:var(--action)}
footer .legal{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--ink-3)}

/* ---------- motion: subtle, scroll-linked, never hides content ---------- */
@media (prefers-reduced-motion:no-preference){
  .hero h1{animation:rise .8s var(--ease) both}
  .hero .lede{animation:rise .8s .08s var(--ease) both}
  .hero .ctas{animation:rise .8s .16s var(--ease) both}
  .hero .fx{animation:rise 1s .26s var(--ease) both}
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
}
/* hero record + images: fade in on their own, after the words */
.js .hero .sheet{opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .hero .sheet.in{opacity:1;transform:none}
.js .hero .sheet .pill{opacity:0;transform:scale(.85);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.js .hero .sheet.in .pill{opacity:1;transform:none;transition-delay:.8s}
.js .rv.rv-img{transition-delay:.45s}
.js .mini,.js .dev{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv-group.in .mini,.js .rv-group.in .dev{opacity:1;transform:none;transition-delay:.55s}
.js .rv-group.in > *:nth-child(2) .mini,.js .rv-group.in > *:nth-child(2) .dev{transition-delay:.7s}
.js .rv-group.in > *:nth-child(3) .mini,.js .rv-group.in > *:nth-child(3) .dev{transition-delay:.85s}
/* reset happens off-screen, without a visible fade-out */
.js .reset,.js .reset > *,.js .reset .mini,.js .reset .dev,.js .reset line{transition:none!important}
/* scroll-entry: each section enters as it reaches the viewport (all browsers) */
.js .rv,.js .rv-group > *{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .rv.in,.js .rv-group.in > *{opacity:1;transform:none}
.js .rv-group.in > *:nth-child(2){transition-delay:.1s}
.js .rv-group.in > *:nth-child(3){transition-delay:.2s}
.js .rv-group.in > *:nth-child(4){transition-delay:.3s}
.js .rv-group.in > *:nth-child(5){transition-delay:.4s}
.js .rv-group.in > *:nth-child(6){transition-delay:.5s}
.js .draw line{stroke-dasharray:300;stroke-dashoffset:300;transition:stroke-dashoffset 1.4s .3s var(--ease)}
.js .in .draw line{stroke-dashoffset:0}
.js .in .draw .link-line{transition-delay:.9s}

@media (max-width:860px){
  section{padding-block:84px}
  header nav,header .btn.small{display:none}
  .menu-btn{display:inline-flex}
  .drawer{display:block;overflow:hidden;max-height:0;transition:max-height .35s var(--ease);border-top:1px solid transparent}
  .drawer.open{max-height:320px;border-top-color:var(--line)}
  .drawer nav{display:grid;padding-block:8px 20px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .drawer a{font-size:20px;font-weight:600;padding:12px 0;color:var(--navy);border-bottom:1px solid var(--line)}
  .drawer a[aria-current="page"]{color:var(--action)}
  .drawer .btn{margin-top:18px}
  .flow,.cols{grid-template-columns:1fr 1fr}
  .flow::before{display:none}
  .flow.three{grid-template-columns:1fr}
  .steps,.infra,.split,.contact-grid,.devices{grid-template-columns:1fr;gap:48px}
  .split.flip > :first-child{order:0}
  footer .fgrid{grid-template-columns:1fr 1fr}
  form.demo{padding:24px}
}
@media (max-width:520px){
  .flow,.cols,.f2{grid-template-columns:1fr}
  .done{padding:36px 20px}
}

#how{scroll-margin-top:72px}
.formerr{display:none;font-size:14px;color:var(--err);background:var(--err-bg);border-radius:10px;padding:10px 14px}
.formerr.show{display:block}
.btn[disabled]{opacity:.6;cursor:progress}