/* prob landing — dark, editorial. Brand: navy #1B3768, teal #0A8291 (lifted to #16A7B8 on dark). */
:root{
  --bg:#06090F; --bg2:#0B111C; --card:#0F1726; --card2:#141E31;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --text:#F2F5FA; --dim:#A9B4C6; --faint:#6E7A8F;
  --navy:#1B3768; --navy-l:#2F5AA8; --teal:#0A8291; --teal-l:#16A7B8; --ice:#BFEFF4;
  --cta:linear-gradient(100deg,#16A7B8 0%,#2F6FD0 100%);
  --sans:"Inter Tight",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Instrument Serif","Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --w:1250px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.mono{font-family:var(--mono)}
.grow{flex:1}
code.ident{color:#BFEFF4;font-family:var(--mono);font-size:.86em;background:none;border:0;padding:0}
.katex{font-size:1.04em}
.grain{position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .35s,backdrop-filter .35s,border-color .35s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(6,9,15,.72);backdrop-filter:blur(18px) saturate(1.3);border-color:var(--line)}
.navin{max-width:var(--w);margin:0 auto;padding:22px 24px;display:flex;align-items:center;gap:44px}
.brand img{height:26px;display:block}
.links{display:flex;gap:30px;align-items:center;font-size:16px;color:var(--dim)}
.links>a,.ddbtn{transition:color .2s;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:6px}
.links>a:hover,.ddbtn:hover,.dd.open .ddbtn{color:var(--text)}
.ddbtn svg{width:9px;height:6px;fill:none;stroke:currentColor;stroke-width:1.5;transition:transform .25s}
.dd.open .ddbtn svg{transform:rotate(180deg)}
.navcta{margin-left:auto;display:flex;gap:10px}
.pill{display:inline-flex;align-items:center;height:42px;padding:0 18px;border-radius:999px;font-size:15.5px;font-weight:500;transition:transform .2s,background .2s,border-color .2s}
.pill.ghost{border:1px solid var(--line2);color:var(--text)} .pill.ghost:hover{border-color:rgba(255,255,255,.35)}
.pill.solid{background:var(--text);color:#0A0F1A} .pill.solid:hover{transform:translateY(-1px);background:#fff}
/* mega menu */
.mega{position:fixed;left:0;right:0;top:86px;background:rgba(10,14,22,.9);backdrop-filter:blur(24px);border-bottom:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s}
.dd.open .mega{opacity:1;visibility:visible;transform:none}
.megain{max-width:var(--w);margin:0 auto;padding:30px 24px 38px 160px;display:grid;grid-template-columns:200px 320px 320px;gap:50px}
.megah{display:block;color:var(--faint);margin-bottom:22px}
.megalist a{display:block;color:var(--text);padding:3px 0;opacity:.9} .megalist a:hover{opacity:1;color:var(--teal-l)}
.megacard b{display:block;margin-top:16px;font-weight:500}
.megacard span{color:var(--dim);font-size:15px}
.megaart{height:180px;border-radius:12px;overflow:hidden;position:relative;transition:transform .4s}
.megacard:hover .megaart{transform:scale(1.02)}
.art-lab{background:radial-gradient(120% 90% at 20% 20%,#16A7B8 0,transparent 55%),radial-gradient(90% 90% at 90% 90%,#2F5AA8 0,transparent 60%),#0B1220}
.art-lab::after{content:"";position:absolute;inset:0;background:repeating-radial-gradient(circle at 30% 40%,transparent 0 14px,rgba(255,255,255,.12) 15px 16px);mask:linear-gradient(90deg,#000,transparent)}
.art-mcp{background:linear-gradient(160deg,#152238,#0A0F1A)}
.art-mcp::after{content:"";position:absolute;inset:18px;border-radius:8px;background:
  linear-gradient(var(--teal-l),var(--teal-l)) 18px 22px/40% 6px no-repeat,
  linear-gradient(#2F5AA8,#2F5AA8) 18px 40px/62% 6px no-repeat,
  linear-gradient(rgba(255,255,255,.25),rgba(255,255,255,.25)) 18px 58px/50% 6px no-repeat,
  linear-gradient(rgba(255,255,255,.12),rgba(255,255,255,.12)) 18px 76px/70% 6px no-repeat,#0D1524;border:1px solid var(--line2)}

/* ---------- hero */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:150px 24px 0}
.glow{position:absolute;inset:0;z-index:0;overflow:hidden;
  background:radial-gradient(120% 70% at 50% 0%,rgba(27,55,104,.55) 0,transparent 60%),linear-gradient(180deg,#0A1222 0%,#08101C 55%,var(--bg) 100%)}
.glow i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.75;will-change:transform}
.glow .g1{width:52vw;height:52vw;left:-8vw;top:-12vw;background:radial-gradient(circle,#1B3768 0,transparent 70%);animation:drift1 18s ease-in-out infinite alternate}
.glow .g2{width:46vw;height:46vw;right:-10vw;top:-6vw;background:radial-gradient(circle,#0A8291 0,transparent 68%);animation:drift2 22s ease-in-out infinite alternate}
.glow .g3{width:40vw;height:30vw;left:30vw;top:24vw;background:radial-gradient(circle,rgba(47,111,208,.55) 0,transparent 70%);animation:drift3 26s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(10vw,6vw) scale(1.15)}}
@keyframes drift2{to{transform:translate(-12vw,8vw) scale(.9)}}
@keyframes drift3{to{transform:translate(-8vw,-6vw) scale(1.2)}}
.glow.small{opacity:.8}
.heroin{position:relative;z-index:2;width:100%;max-width:1120px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.type{font-weight:500;font-size:clamp(40px,6.2vw,86px);line-height:1.04;letter-spacing:-.035em;min-height:2.1em;max-width:1100px;text-wrap:balance}
.type .katex{font-size:.92em}
.type .m{display:inline-block;animation:mathIn .45s cubic-bezier(.2,.8,.2,1) both}
@keyframes mathIn{from{opacity:0;transform:translateY(.15em) scale(.96);filter:blur(6px)}}
.caret{width:2px;height:64px;background:var(--text);margin:14px auto 22px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.sub{color:var(--dim);font-size:17px;line-height:1.5;max-width:520px}
.prompt{margin-top:36px;width:min(790px,100%);text-align:left;background:rgba(18,26,42,.62);border:1px solid var(--line2);border-radius:22px;padding:16px 18px 14px;
  backdrop-filter:blur(16px);box-shadow:0 30px 80px -30px rgba(10,130,145,.45),0 0 0 1px rgba(255,255,255,.02) inset;transition:border-color .25s,box-shadow .25s}
.prompt:focus-within{border-color:rgba(22,167,184,.55);box-shadow:0 30px 90px -26px rgba(22,167,184,.6)}
.prompt textarea{width:100%;background:transparent;border:0;outline:0;resize:none;font-size:18px;line-height:1.45;color:var(--text);padding:4px 6px}
.prompt textarea::placeholder{color:var(--faint)}
.prow{display:flex;gap:8px;align-items:center;margin-top:10px;flex-wrap:wrap}
.chipbtn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:14.5px;color:var(--dim);cursor:pointer}
.chipbtn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5}
.chipbtn select{background:transparent;border:0;outline:0;cursor:pointer;color:var(--text);appearance:none;padding-right:2px}
.chipbtn select option{background:#0F1726}
.seg{display:inline-flex;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{border:0;background:transparent;color:var(--dim);height:30px;padding:0 13px;border-radius:999px;cursor:pointer;font-size:14px;transition:background .2s,color .2s}
.seg button.on{background:rgba(255,255,255,.14);color:var(--text)}
.seg button:disabled{opacity:.4;cursor:not-allowed}
.iconbtn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);border:0;cursor:pointer;transition:transform .35s,background .2s}
.iconbtn svg{width:19px;height:19px;fill:none;stroke:var(--text);stroke-width:1.4}
.iconbtn circle{fill:var(--text);stroke:none}
.iconbtn:hover{background:rgba(255,255,255,.14);transform:rotate(90deg)}
.cta{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;border:0;cursor:pointer;background:var(--cta);color:#fff;font-weight:600;font-size:15.5px;
  box-shadow:0 10px 30px -10px rgba(22,167,184,.75);transition:transform .2s,box-shadow .2s}
.cta svg{width:16px;height:16px;fill:#fff}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);animation:shine 4.5s ease-in-out infinite}
@keyframes shine{0%,60%{transform:translateX(-120%)}85%,100%{transform:translateX(120%)}}
.cta:hover{transform:translateY(-1px);box-shadow:0 14px 36px -10px rgba(22,167,184,.95)}
.cta.lg{height:54px;padding:0 28px;font-size:17px;margin-top:34px}
.ptip{margin-top:14px;font-size:13.5px;color:var(--faint);min-height:20px}
.ptip.err{color:#F08A8A}

/* floating tilted cards (like hero side posters) */
.float{position:absolute;z-index:1;top:31%;width:250px;height:330px;border-radius:18px;overflow:hidden;filter:blur(1.5px) saturate(.9);opacity:.55;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8);transition:filter .4s,opacity .4s}
.float:hover{filter:none;opacity:.95}
.float.fl{left:-40px;transform:rotate(-9deg);animation:bobL 9s ease-in-out infinite}
.float.fr{right:-40px;transform:rotate(8deg);animation:bobR 10s ease-in-out infinite}
@keyframes bobL{50%{transform:rotate(-7deg) translateY(-16px)}}
@keyframes bobR{50%{transform:rotate(10deg) translateY(14px)}}
.float .cover{position:absolute;inset:0}
.float .fmeta{position:absolute;left:18px;right:18px;bottom:18px;font-size:15px;font-weight:500;line-height:1.3}
.float .fmeta small{display:block;color:var(--dim);font-weight:400;margin-top:4px;font-size:12.5px}
.float .play{position:absolute;left:50%;top:44%;translate:-50% -50%}

/* logo cloud */
.marquee{position:relative;z-index:2;margin:110px -24px 0;padding:34px 0 60px;overflow:hidden;
  mask:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent)}
.mlabel{text-align:center;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:30px}
.track{display:flex;width:max-content;animation:scroll 90s linear infinite;align-items:center}
.track>*{margin-right:64px;flex:none}             /* margin, not gap: both halves must be equally wide for a seamless -50% loop */
.track img{width:131px;height:54px;object-fit:contain;opacity:.6;transition:opacity .2s}
.track img:hover{opacity:1}
.marquee:hover .track{animation-play-state:paused}
.track span{font-size:26px;color:rgba(242,245,250,.55);white-space:nowrap;letter-spacing:-.01em;transition:color .2s}
.track span:hover{color:var(--text)}
.w1{font-weight:700;letter-spacing:-.04em!important}
.w2{font-family:var(--serif);font-size:31px!important}
.w3{font-family:var(--mono);font-size:21px!important;letter-spacing:.02em}
.w4{font-weight:600;text-transform:uppercase;letter-spacing:.14em!important;font-size:19px!important}
.w5{font-family:var(--serif);font-style:italic;font-size:30px!important}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- sections */
.sec{max-width:var(--w);margin:0 auto;padding:130px 24px 40px}
.big{font-weight:500;font-size:clamp(46px,6.4vw,92px);line-height:1;letter-spacing:-.04em;text-align:center}
.lead{max-width:600px;margin:26px auto 0;text-align:center;color:var(--dim);font-size:17px}

/* rails with result cards */
.rail{margin:56px calc(50% - 50vw) 0;overflow:hidden;mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.rail.rev{margin-top:30px}
.railtrack{display:flex;width:max-content;padding:6px 0 10px;animation:scroll 90s linear infinite}
.railtrack>*{margin-right:26px}
.rail.rev .railtrack{animation-direction:reverse;animation-duration:100s}
.rail:hover .railtrack{animation-play-state:paused}
.rcard{width:238px;flex:none;cursor:pointer}
.rcover{position:relative;height:250px;border-radius:14px;overflow:hidden;background:var(--card);transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}
.rcard:hover .rcover{transform:translateY(-6px);box-shadow:0 26px 50px -24px rgba(22,167,184,.55)}
.rcover svg.cover{position:absolute;inset:0;width:100%;height:100%;transition:transform 1.2s ease}
.rcard:hover svg.cover{transform:scale(1.07) rotate(.6deg)}
.stats{position:absolute;left:10px;bottom:10px;display:flex;gap:6px}
.stat{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:500;padding:5px 8px;border-radius:7px;background:rgba(10,14,22,.55);backdrop-filter:blur(8px);color:var(--text)}
.stat svg{width:10px;height:10px;fill:currentColor}
.play{position:absolute;right:12px;top:12px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:#0A0F1A;
  opacity:0;transform:scale(.8);transition:opacity .25s,transform .25s}
.play svg{width:14px;height:14px;fill:currentColor;margin-left:2px}
.rcard:hover .play,.float .play{opacity:1;transform:none}
.rtitle{margin-top:13px;font-size:15.5px;font-weight:500;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.rby{display:flex;align-items:center;gap:7px;margin-top:6px;font-size:13px;color:var(--dim)}
.av{width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:9px;font-weight:700;color:#fff;flex:none}

/* split feature rows (serif headline + demo panel) */
.split{max-width:var(--w);margin:0 auto;padding:150px 24px 20px;display:grid;grid-template-columns:400px 1fr;gap:70px;align-items:start}
.split.flip{grid-template-columns:400px 1fr}
.serif{font-family:var(--serif);font-weight:400;font-size:clamp(54px,6vw,84px);line-height:.98;letter-spacing:-.025em}
.serif em{font-style:italic;color:var(--ice)}
.splittext p{margin-top:26px;color:var(--dim);font-size:18px;line-height:1.6;font-weight:400}
.textlink{display:inline-flex;gap:8px;margin-top:26px;color:var(--teal-l);font-weight:500}
.textlink span{transition:transform .2s} .textlink:hover span{transform:translateX(4px)}
.demo{border-radius:22px;overflow:hidden;background:var(--bg2);border:1px solid var(--line);box-shadow:0 60px 120px -60px rgba(22,167,184,.35)}
.demohead{display:flex;align-items:center;gap:14px;padding:14px 18px;background:#ECEFF4;color:#3A4558;font-size:13px}
.dots{display:flex;gap:6px} .dots i{width:11px;height:11px;border-radius:50%;background:#C9D0DB}
.live{margin-left:auto;display:flex;gap:7px;align-items:center;color:#0A8291;font-weight:600}
.live i{width:8px;height:8px;border-radius:50%;background:#0A8291;animation:pulse 1.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(10,130,145,.15)}}
.demobody{height:470px;overflow:hidden;position:relative;
  background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/100% 46px,linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/120px 100%,var(--bg2)}
.demobody::after{content:"";position:absolute;left:0;right:0;bottom:0;height:90px;background:linear-gradient(transparent,var(--bg2))}
#demoList{list-style:none;padding:22px 24px;display:flex;flex-direction:column;gap:12px;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.dstep{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:11px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line);
  animation:stepIn .55s cubic-bezier(.2,.8,.2,1) both}
@keyframes stepIn{from{opacity:0;transform:translateX(-18px) scale(.98)}}
.dstep .dav{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff}
.dstep b{display:block;font-weight:500;font-size:15px}
.dstep small{color:var(--dim);font-size:13px}
.dstep .tag{font-family:var(--mono);font-size:11.5px;padding:3px 8px;border-radius:6px;background:rgba(255,255,255,.06);color:var(--dim)}
.dstep.ok{border-color:rgba(22,167,184,.5);background:linear-gradient(90deg,rgba(22,167,184,.14),var(--card) 70%)}
.dstep.ok .tag{background:rgba(22,167,184,.18);color:var(--ice)}
.dstep.pol{border-color:rgba(232,176,75,.4)} .dstep.pol .tag{background:rgba(232,176,75,.15);color:#F2C979}
.dstep.no{border-color:rgba(240,120,120,.4)} .dstep.no .tag{background:rgba(240,120,120,.14);color:#F4A3A3}
.dbars{display:flex;gap:6px;margin-top:7px}
.dbar{height:5px;border-radius:3px;background:rgba(255,255,255,.08);width:90px;overflow:hidden}
.dbar i{display:block;height:100%;background:var(--teal-l);width:0;animation:grow 1.1s .3s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes grow{to{width:var(--w)}}
.stamp{display:inline-block;animation:stamp .5s .15s cubic-bezier(.3,1.6,.5,1) both}
@keyframes stamp{from{transform:scale(2.2) rotate(-12deg);opacity:0}}

/* certificate cards */
.certs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cert{border-radius:18px;padding:22px;background:var(--card);border:1px solid var(--line);position:relative;overflow:hidden;min-height:190px}
.cert::before{content:"";position:absolute;inset:-1px;border-radius:18px;padding:1px;background:linear-gradient(140deg,rgba(22,167,184,.6),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.cert:hover::before{opacity:1}
.cert .lvl{font-family:var(--mono);font-size:11.5px;color:var(--ice);background:rgba(22,167,184,.14);padding:3px 8px;border-radius:6px}
.cert .cid{font-family:var(--mono);font-size:12px;color:var(--faint);float:right}
.cert .ctext{margin-top:16px;font-size:16px;line-height:1.55;color:var(--text)}
.cert .ctext .katex{font-size:1.08em}

/* features */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:70px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;transition:transform .35s,border-color .35s}
.fcard:hover{transform:translateY(-4px);border-color:var(--line2)}
.fcard h3{font-size:22px;font-weight:500;letter-spacing:-.02em;margin-top:26px}
.fcard p{color:var(--dim);margin-top:10px;line-height:1.6}
.ficon{height:150px;border-radius:14px;position:relative;overflow:hidden;background:#0A101B}
.fi1::before{content:"✓";position:absolute;left:50%;top:50%;translate:-50% -50%;width:66px;height:66px;border-radius:50%;display:grid;place-items:center;font-size:28px;color:#fff;background:var(--teal);box-shadow:0 0 0 0 rgba(22,167,184,.5);animation:ring 2.4s infinite}
@keyframes ring{70%{box-shadow:0 0 0 30px rgba(22,167,184,0)}100%{box-shadow:0 0 0 0 rgba(22,167,184,0)}}
.fi1::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 22px,rgba(255,255,255,.05) 22px 23px)}
.fi2::before{content:"DENY";position:absolute;left:22px;top:30px;font:600 12px var(--mono);color:#F4A3A3;background:rgba(240,120,120,.14);padding:5px 9px;border-radius:6px;animation:fade 3s infinite}
.fi2::after{content:"ASK → human";position:absolute;right:22px;bottom:30px;font:600 12px var(--mono);color:#F2C979;background:rgba(232,176,75,.15);padding:5px 9px;border-radius:6px;animation:fade 3s 1.5s infinite}
@keyframes fade{0%,100%{opacity:.25;transform:translateY(4px)}40%,60%{opacity:1;transform:none}}
.fi3{background:radial-gradient(circle at 50% 50%,rgba(240,120,120,.18),transparent 60%),#0A101B}
.fi3::before{content:"";position:absolute;left:50%;top:50%;width:90px;height:90px;translate:-50% -50%;border:2px dashed rgba(240,120,120,.6);border-radius:50%;animation:spin 9s linear infinite}
.fi3::after{content:"RT";position:absolute;left:50%;top:50%;translate:-50% -50%;font-weight:700;color:#F4A3A3}
@keyframes spin{to{transform:rotate(360deg)}}

/* highlights 2x2 */
.hl{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}
.hcard{border-radius:20px;padding:34px 32px;background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);min-height:210px;display:flex;flex-direction:column;justify-content:space-between}
.hcard .num{font-size:clamp(52px,6vw,84px);font-weight:500;letter-spacing:-.045em;line-height:1;background:linear-gradient(100deg,#fff,var(--ice) 60%,var(--teal-l));-webkit-background-clip:text;background-clip:text;color:transparent}
.hcard p{color:var(--dim);margin-top:18px;max-width:440px;font-size:15.5px}
.hcard p small{display:block;color:var(--faint);font-size:12.5px;margin-top:6px}

/* faq */
.faqsec{max-width:900px}
.faq{margin-top:56px;border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 4px;background:none;border:0;cursor:pointer;text-align:left;font-size:20px;font-weight:500;letter-spacing:-.01em}
.qa button i{position:relative;width:16px;height:16px;flex:none}
.qa button i::before,.qa button i::after{content:"";position:absolute;left:0;top:7px;width:16px;height:2px;background:var(--text);transition:transform .3s}
.qa button i::after{transform:rotate(90deg)}
.qa.open button i::after{transform:rotate(0)}
.qa .ans{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.qa.open .ans{grid-template-rows:1fr}
.qa .ans>div{overflow:hidden;color:var(--dim);font-size:16.5px;line-height:1.65}
.qa .ans>div>p{padding:0 4px 26px;max-width:740px}

/* closing */
.closing{position:relative;overflow:hidden;margin-top:140px;padding:150px 24px;text-align:center;display:flex;flex-direction:column;align-items:center}
.closing .big{position:relative;z-index:1}
.closing .cta{z-index:1}

/* footer */
.foot{border-top:1px solid var(--line);background:#05070C}
.footin{max-width:var(--w);margin:0 auto;padding:60px 24px 40px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.fbrand img{height:30px} .fbrand p{color:var(--dim);margin-top:14px}
.fcol{display:flex;flex-direction:column;gap:10px;font-size:15px;color:var(--dim)}
.fcol b{color:var(--text);font-weight:500;margin-bottom:6px}
.fcol a:hover{color:var(--text)}
.fbase{max-width:var(--w);margin:0 auto;padding:18px 24px 30px;display:flex;justify-content:space-between;color:var(--faint);font-size:13px;border-top:1px solid var(--line)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:1100px){.links{display:none}.float{display:none}.split,.split.flip{grid-template-columns:1fr;gap:40px}.megain{grid-template-columns:1fr 1fr;padding-left:24px}.megalist{display:none}}
@media (max-width:760px){.feat,.hl,.certs{grid-template-columns:1fr}.footin{grid-template-columns:1fr 1fr}.navin{gap:16px;padding:16px}.pill.ghost{display:none}
  .caret{height:40px}.prompt{border-radius:18px}.demobody{height:420px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
:focus-visible{outline:2px solid var(--teal-l);outline-offset:3px;border-radius:6px}