/* NASP public landing (/ and /en). Brand from client.css: Voicer glass on a blue-violet wall.
   One grid for every section: 1120px container, 24px gutters, 96px section rhythm (64px on phones).
   Side-by-side sections share one split (5/7) so their left edges and columns line up. */
:root{
  --wall:radial-gradient(560px 440px at 90% 6%,rgba(205,244,238,.9),transparent 70%),radial-gradient(680px 520px at 0% 100%,rgba(160,175,255,.7),transparent 70%),linear-gradient(150deg,#c9d3ff 0%,#d4d8ff 52%,#c8e6f5 100%);
  --page:#f4f5fc;--paper:#fff;--glass:rgba(255,255,255,.7);--hi:rgba(255,255,255,.95);
  --text:#23253a;--muted:#4b506c;--dim:#61668a;--accent:#5459d6;--accent-ink:#4045c0;--accent-tint:rgba(84,89,214,.1);
  --ok:#1a8a5e;--ok-tint:rgba(31,157,107,.14);--err:#b8424b;
  --line:rgba(35,37,58,.1);--field:#f6f7fd;
  --shadow:0 1px 2px rgba(35,37,58,.05),0 12px 32px -18px rgba(40,44,120,.28);
  --r-lg:20px;--r-md:14px;--r-sm:10px;
  --sec:96px;--gap:24px;--split:minmax(0,5fr) minmax(0,7fr);
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --wall:radial-gradient(560px 440px at 90% 6%,rgba(63,208,224,.1),transparent 70%),radial-gradient(680px 520px at 0% 100%,rgba(84,89,214,.26),transparent 70%),linear-gradient(150deg,#1c2029 0%,#222835 55%,#1e2430 100%);
    --page:#191c24;--paper:#20242f;--glass:rgba(38,44,58,.78);--hi:rgba(255,255,255,.08);
    --text:#e9edf3;--muted:#b9c1cf;--dim:#9aa4b8;--accent:#5d62e0;--accent-ink:#a9adff;--accent-tint:rgba(122,127,240,.16);
    --ok:#3ccf82;--ok-tint:rgba(60,207,130,.16);--err:#ff8a93;--line:rgba(255,255,255,.08);--field:#191c24;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 14px 34px -20px rgba(0,0,0,.7);
    color-scheme:dark;
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--page);color:var(--text);font:17px/1.6 "Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;caret-color:var(--accent)}
::selection{background:color-mix(in srgb,var(--accent) 24%,transparent)}
a{color:var(--accent-ink);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:"Segoe UI Variable Display","Segoe UI",system-ui,sans-serif;color:var(--text);text-wrap:balance}
h2{font-size:clamp(28px,3.4vw,38px);line-height:1.15;letter-spacing:-.022em;font-weight:700;margin-bottom:40px}
h3{font-size:19px;line-height:1.3;letter-spacing:-.01em;font-weight:600}
p,li,summary{text-wrap:pretty}
.wrap{max-width:1168px;margin:0 auto;padding-inline:var(--gap)}
.skip{position:absolute;left:-999px;top:8px;background:var(--paper);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
.ic{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.fine{font-size:14.5px;line-height:1.5;color:var(--dim)}

/* buttons: one shape, three weights */
.btn{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;border-radius:var(--r-sm);font:600 15px/1 "Segoe UI Variable Text","Segoe UI",system-ui,sans-serif;text-decoration:none;white-space:nowrap;cursor:pointer;border:1px solid transparent;transition:background-color .15s var(--ease),transform .1s var(--ease)}
.btn:active{transform:scale(.97)}
.btn.big{height:52px;padding:0 28px;font-size:16.5px;border-radius:12px}
.btn.acc{background:var(--accent);color:#fff;box-shadow:0 8px 20px -10px rgba(64,69,192,.8)}
.btn.acc:hover{background:var(--accent-ink)}
@media (prefers-color-scheme:dark){.btn.acc:hover{background:#4c51cf}}
.btn.ghost{background:var(--glass);color:var(--text);border-color:color-mix(in srgb,var(--text) 15%,transparent)}
.btn.ghost:hover{background:var(--paper)}
.btn.light{background:#fff;color:#4045c0}
.btn.light:hover{background:#eef0ff}
.btn:disabled{opacity:.6;cursor:default;transform:none}

/* header */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--page) 78%,transparent);backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.top-in{height:64px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font:700 19px/1 "Segoe UI Variable Display","Segoe UI",sans-serif}
.menu{display:flex;gap:4px}
.menu a,.lang{color:var(--muted);text-decoration:none;font-size:15px;padding:8px 12px;border-radius:8px}
.menu a:hover,.lang:hover{color:var(--text);background:var(--line)}
.top-act{display:flex;align-items:center;gap:8px;margin-left:auto}

/* hero */
.hero{background:var(--wall);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr);gap:56px;padding-block:80px 88px}
.hero-text{max-width:820px}
h1{font-size:clamp(38px,5.6vw,66px);line-height:1.04;letter-spacing:-.036em;font-weight:700;max-width:15em}
.lead{margin-top:24px;font-size:19.5px;line-height:1.6;color:var(--muted);max-width:34em}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.wink{margin-top:18px;font-size:14.5px;color:var(--dim)}
.wink i{font-style:normal;font-weight:600;color:var(--muted)}
.hero .fine{margin-top:18px}

/* hero demo: the real window recorded, in a window frame */
.demo{margin-top:8px;display:flex;flex-direction:column;gap:14px}
.app-win{border-radius:16px;overflow:hidden;background:var(--paper);border:1px solid color-mix(in srgb,var(--text) 12%,transparent);box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 2px 6px rgba(35,37,58,.06),0 40px 80px -40px rgba(40,44,120,.55)}
.app-cap{display:flex;align-items:center;gap:8px;height:34px;padding:0 0 0 12px;font-size:12.5px;color:var(--muted);background:color-mix(in srgb,var(--paper) 86%,var(--accent) 4%);border-bottom:1px solid var(--line)}
.app-cap img{width:16px;height:16px}
.app-cap b{font-weight:600;flex:1}
.app-cap i{width:46px;height:34px;display:grid;place-items:center}
.app-cap i svg{width:10px;height:10px;fill:none;stroke:currentColor;stroke-width:1.2}
.app-vid{display:block;width:100%;height:auto;aspect-ratio:1590/900;background:var(--page)}
.stage{position:relative;overflow:hidden;cursor:pointer;transition:height .45s cubic-bezier(.16,1,.3,1)}
.stage.on{cursor:auto}
.stage .app-vid{transition:opacity .4s ease,transform .5s cubic-bezier(.16,1,.3,1)}
.stage.on .app-vid{opacity:0;transform:scale(.985)}
.try{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:inline-flex;align-items:center;gap:10px;height:46px;padding:0 20px 0 8px;border:0;border-radius:999px;font:600 15.5px/1 "Segoe UI Variable Text","Segoe UI",system-ui,sans-serif;color:#fff;background:rgba(35,37,58,.78);backdrop-filter:blur(14px) saturate(1.4);box-shadow:0 10px 30px -12px rgba(20,22,60,.7);cursor:pointer;transition:background-color .15s ease,transform .1s ease-out,opacity .3s ease}
.try-ic{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--accent)}
.try-ic svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.stage:hover .try{background:rgba(35,37,58,.9)}
.try:active{transform:translateX(-50%) scale(.97)}
.stage.on .try{opacity:0;pointer-events:none}
.live{position:absolute;inset:0;opacity:0;transform:scale(1.015);transform-origin:50% 0;transition:opacity .45s ease,transform .55s cubic-bezier(.16,1,.3,1)}
.stage.on .live.ready{opacity:1;transform:none}
.live iframe{position:absolute;left:0;top:0;width:1060px;height:700px;border:0;transform-origin:0 0;background:var(--page)}
.demo-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.demo-bar[hidden]{display:none}
.demo-bar span{flex:1;font-size:15px;color:var(--dim)}
.btn.sm{height:34px;padding:0 14px;font-size:14px;gap:6px}
.btn.sm svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
@media (prefers-reduced-motion:reduce){.stage,.stage .app-vid,.live{transition:opacity .2s ease}.stage.on .app-vid,.live{transform:none}}
.demo figcaption{font-size:15px;color:var(--dim);text-align:center}

/* sections */
.uses,.start,.unique,.perks,.price,.faq,.contact{padding-block:var(--sec)}
.uses{background:var(--page)}
.start{background:var(--page);border-top:1px solid var(--line)}
.perks{background:var(--page)}
.price{background:var(--paper);border-block:1px solid var(--line)}
.faq{background:var(--page)}
.contact{background:var(--paper);border-top:1px solid var(--line)}

/* use cases: 2 x 2, equal heights */
.cases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.case{display:flex;flex-direction:column;gap:12px;padding:32px;border-radius:var(--r-lg);background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow)}
.case .ic{width:44px;height:44px;padding:9px;border-radius:12px;background:var(--accent-tint);color:var(--accent-ink);margin-bottom:6px}
.case p{color:var(--muted);font-size:16.5px;max-width:36em}

/* how to start: the one real sequence, so it is numbered */
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.steps li{counter-increment:s;display:flex;flex-direction:column;gap:10px;padding:28px 28px 32px;border-radius:var(--r-lg);background:var(--paper);border:1px solid var(--line)}
.steps li::before{content:counter(s);width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font:700 18px/1 "Segoe UI Variable Display","Segoe UI",sans-serif;margin-bottom:8px}
.steps p{color:var(--muted);font-size:16.5px}
.start-cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:40px}

/* supported systems: a quiet panel under the download button */
.sys{margin-top:40px;padding:28px 32px;border-radius:var(--r-lg);background:var(--paper);border:1px solid var(--line)}
.sys h3{margin-bottom:16px}
.sys-list{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 32px;margin-bottom:16px}
.sys-list li{display:flex;align-items:center;gap:10px;font-size:16.5px}
.sys-list svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--ok);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* what others don't have: one featured card with the request toast, three plain items beside it */
.unique{background:var(--wall);border-bottom:1px solid var(--line)}
.uni{display:grid;grid-template-columns:var(--split);gap:var(--gap);align-items:stretch}
.uni-main{display:flex;flex-direction:column;gap:14px;padding:36px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--hi);box-shadow:var(--shadow);backdrop-filter:blur(20px)}
.uni-main h3{font-size:clamp(22px,2.2vw,26px);line-height:1.2;letter-spacing:-.018em;font-weight:700}
.uni-main p{color:var(--muted)}
.toast{margin-top:auto;display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px 14px;padding:16px;border-radius:var(--r-md);background:var(--paper);border:1px solid var(--line);box-shadow:0 18px 36px -22px rgba(40,44,120,.55)}
.toast-t{display:flex;flex-direction:column;min-width:0}
.toast-t b{font-size:15px;font-weight:600}
.toast-t span{font-size:13.5px;color:var(--dim)}
.toast-b{grid-column:2;display:flex;gap:8px}
.tb{display:inline-flex;align-items:center;justify-content:center;height:32px;min-width:112px;padding:0 14px;border-radius:8px;font-size:14px;font-weight:600;background:var(--page);border:1px solid var(--line)}
.tb.acc{background:var(--accent);color:#fff;border-color:transparent}
.uni-list{list-style:none;display:flex;flex-direction:column;gap:var(--gap)}
.uni-list li{flex:1;display:flex;gap:18px;align-items:flex-start;padding:24px 28px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--hi);backdrop-filter:blur(20px)}
.uni-list .ic{width:28px;height:28px;color:var(--accent);margin-top:2px}
.uni-list h3{margin-bottom:6px}
.uni-list p{color:var(--muted);font-size:16.5px}
.btn.cab{height:40px}

/* perks: icon + text, no boxes */
.perk-list{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 48px}
.perk-list li{display:flex;gap:18px;align-items:flex-start}
.perk-list .ic{width:28px;height:28px;color:var(--accent);margin-top:2px}
.perk-list h3{margin-bottom:6px}
.perk-list p{color:var(--muted);font-size:16.5px;max-width:30em}

/* pricing: two equal columns, Pro carries the accent */
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.plan{display:flex;flex-direction:column;gap:16px;padding:32px;border-radius:var(--r-lg);background:var(--page);border:1px solid var(--line)}
.plan.pro{background:var(--paper);border:2px solid var(--accent);padding:31px;box-shadow:var(--shadow)}
.amt{font:700 48px/1 "Segoe UI Variable Display","Segoe UI",sans-serif;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.amt span{font:400 17px/1 "Segoe UI Variable Text","Segoe UI",sans-serif;color:var(--dim);letter-spacing:0}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:10px;flex:1}
.plan li{padding-left:28px;position:relative;color:var(--muted)}
.plan li::before{content:"";position:absolute;left:3px;top:.5em;width:11px;height:6px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.plan .btn{align-self:stretch;margin-top:8px}
.plans-note{margin-top:20px}

/* faq + contact: same 5/7 split */
.faq-in,.contact-in{display:grid;grid-template-columns:var(--split);gap:64px;align-items:start}
.faq-in h2,.contact-in h2{margin-bottom:16px}
.qa{border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;padding:20px 44px 20px 0;font-weight:600;font-size:18px;line-height:1.4;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";position:absolute;right:10px;top:27px;width:9px;height:9px;border-right:2px solid var(--dim);border-bottom:2px solid var(--dim);transform:rotate(45deg);transition:transform .2s var(--ease)}
.qa details[open] summary::after{transform:rotate(-135deg);top:31px}
.qa summary:hover{color:var(--accent-ink)}
.qa details p{color:var(--muted);padding:0 44px 22px 0}

.contact-text p{color:var(--muted);margin-bottom:10px;max-width:26em}
.fb{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:32px;border-radius:var(--r-lg);background:var(--page);border:1px solid var(--line)}
.fb label{display:flex;flex-direction:column;gap:8px;font-size:15px;font-weight:600}
.fb .wide{grid-column:1/-1}
.fb input,.fb textarea{font:inherit;font-weight:400;font-size:16px;color:var(--text);background:var(--paper);border:1px solid color-mix(in srgb,var(--text) 16%,transparent);border-radius:var(--r-sm);padding:11px 13px;width:100%;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.fb textarea{resize:vertical;min-height:132px}
.fb input:focus,.fb textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}
.fb .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fb-act{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.fb-st{font-size:15px;color:var(--muted)}
.fb-st.ok{color:var(--ok)}.fb-st.err{color:var(--err)}

/* final call to action */
.final{background:var(--accent);color:#fff;padding-block:80px}
.final-in{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px}
.final h2{color:#fff;margin:0}
.final p{color:rgba(255,255,255,.86);font-size:18px;margin-bottom:12px}
@media (prefers-color-scheme:dark){.final{background:#3f44b8}}

/* footer */
.foot{padding-block:40px 48px;border-top:1px solid var(--line);font-size:15px;color:var(--muted)}
.foot-in{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}
.foot nav{display:flex;gap:24px;flex-wrap:wrap}
.foot nav a{color:var(--muted)}

@media (max-width:980px){
  :root{--sec:72px}
  .menu{display:none}
  .hero-in{gap:40px;padding-block:56px 64px}
  .steps{grid-template-columns:1fr}
  .faq-in,.contact-in{grid-template-columns:1fr;gap:24px}
  .uni{grid-template-columns:1fr}
  .sys-list{grid-template-columns:1fr 1fr}
  .perk-list{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  :root{--sec:64px;--gap:18px}
  body{font-size:16px}
  h2{margin-bottom:28px}
  .lead{font-size:17.5px}
  .cases,.perk-list,.plans{grid-template-columns:1fr}
  .uni-main{padding:24px}
  .app-win{border-radius:12px}
  .app-cap{height:26px;font-size:11px;padding-left:9px}
  .app-cap img{width:13px;height:13px}
  .app-cap i{width:30px;height:26px}
  .app-cap i svg{width:8px;height:8px}
  .try{bottom:12px;height:38px;font-size:14px;padding:0 16px 0 6px}
  .try-ic{width:26px;height:26px}
  .sys{padding:22px}
  .sys-list{grid-template-columns:1fr}
  .uni-list li{padding:20px}
  .toast-b .tb{flex:1;min-width:0}
  .btn.cab{height:36px;padding:0 12px;font-size:14px}
  .lang{padding:8px 6px}
  .perk-list{gap:28px}
  .case,.plan{padding:24px}
  .plan.pro{padding:23px}
  .steps li{padding:22px 22px 24px}
  .cta .btn{flex:1 1 100%}
  .start-cta .btn{width:100%}
  .fb{grid-template-columns:1fr;padding:22px}
  .final{padding-block:64px}
  .final .btn{width:100%}
  .foot nav{gap:16px}
  .top-in{gap:12px}
}

/* motion and materials (apple-design): the header gains its edge only once content scrolls under it,
   sections arrive once with a short rise, buttons answer on press */
.top{border-bottom-color:transparent;transition:border-color .2s ease,background-color .2s ease}
.top.scrolled{border-bottom-color:var(--line)}
.btn{transition:background-color .15s var(--ease),transform .1s ease-out,box-shadow .15s var(--ease)}
.rv{opacity:0;transform:translateY(16px)}
.rv.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
h2{letter-spacing:-.026em;line-height:1.12}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.btn:active{transform:none}}
@media (prefers-reduced-transparency:reduce){.top{background:var(--page);backdrop-filter:none}.uni-main,.uni-list li{background:var(--paper);backdrop-filter:none}}
.demo:has(.stage.on) figcaption{display:none}