/* KhataPilot site. Structure from Shlok's design language; palette is the khata ledger:
   warm paper, black ink, and the red ink accountants use for what is owed. */
:root{
  --color-text:#0a0908;
  --color-bg:#f4f2ed;
  --color-accent:#b3261e;
  --color-accent-on-dark:#ff7468;
  --color-paper:#fffdf9;
  --color-bubble:#e4f2dc;
  --color-dark:#0f0e0c;
  --color-line:#e4ddcf;
  --font-display:"Outfit","Avenir Next","Helvetica Neue",system-ui,sans-serif;
  --font-body:"Afacad","Avenir Next",system-ui,sans-serif;
  --spring:cubic-bezier(0.34,1.56,0.64,1);
  --spring-soft:cubic-bezier(0.3,1.3,0.6,1);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{margin:0}
body{background:var(--color-bg);color:var(--color-text);font:400 1.125rem/1.55 var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent;cursor:pointer}
::selection{background:var(--color-accent);color:#fff}
:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:6px}
[data-dark] :focus-visible,.nav--dark :focus-visible{outline-color:var(--color-accent-on-dark)}
.skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--color-text);color:#fff;padding:10px 16px;border-radius:999px;transition:top .2s}
.skip:focus{top:12px}
.muted{color:rgb(10 9 8 / .6)}
h1,h2,h3{font-family:var(--font-display);margin:0;font-weight:700;letter-spacing:-.02em;text-wrap:balance}
p{margin:0}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:800px}
main{padding-top:112px}
section[id]{scroll-margin-top:100px}

/* ---------- floating glass nav ---------- */
.nav{--sheen-x:50%;position:fixed;z-index:50;top:20px;left:50%;width:min(1100px,92%);height:64px;
  transform:translateX(-50%);border-radius:999px;display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 20px;
  background:linear-gradient(180deg,rgb(255 255 255 / .34),rgb(255 255 255 / .1) 46%),rgb(255 255 255 / .12);
  -webkit-backdrop-filter:blur(10px) saturate(1.7) brightness(1.05);backdrop-filter:blur(10px) saturate(1.7) brightness(1.05);
  box-shadow:inset 0 1px 0 rgb(255 255 255 / .7),inset 0 -1px 0 rgb(255 255 255 / .22),0 14px 40px -10px rgb(0 0 0 / .22);
  transition:transform .45s var(--spring-soft),background .3s,height .45s var(--spring-soft),border-radius .45s var(--spring-soft)}
.nav::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(160deg,rgb(255 255 255 / .9),rgb(255 255 255 / .1) 40%,rgb(255 255 255 / .5));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.nav__sheen{position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(240px 120px at var(--sheen-x) 0%,rgb(255 255 255 / .55),transparent 70%)}
@media (hover:hover) and (pointer:fine){.nav:hover .nav__sheen{opacity:1}}
.nav.is-scrolled{transform:translateX(-50%) translateY(-6px) scale(.965);background:linear-gradient(180deg,rgb(255 255 255 / .46),rgb(255 255 255 / .2) 46%),rgb(255 255 255 / .2);-webkit-backdrop-filter:blur(14px) saturate(1.7);backdrop-filter:blur(14px) saturate(1.7)}
.nav__logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:-.02em;position:relative}
.mark{width:32px;height:32px;border-radius:10px;background:var(--color-accent);color:#fff;display:grid;place-items:center;transition:transform .3s var(--spring)}
.mark svg{width:18px;height:18px}
.nav__logo:hover .mark{transform:rotate(-8deg) scale(1.08)}
.nav__links{position:relative;display:flex;align-items:center;gap:2px}
.nav__links a{position:relative;z-index:1;padding:9px 16px;border-radius:999px;font-size:.95rem;color:rgb(10 9 8 / .64);text-shadow:0 1px 0 rgb(255 255 255 / .5);transition:color .2s}
.nav__links a:hover,.nav__links a:focus-visible,.nav__links a.is-current{color:var(--color-text)}
.nav__links a.is-current{color:var(--color-accent)}
.nav__links .nav__cta{margin-left:6px;background:var(--color-text);color:#fff;text-shadow:none;font-weight:600}
.nav__links .nav__cta:hover{color:#fff}
.nav__blob{position:absolute;left:0;top:50%;height:38px;width:0;border-radius:999px;background:rgb(255 255 255 / .6);box-shadow:inset 0 1px 0 rgb(255 255 255 / .9),0 4px 14px -6px rgb(0 0 0 / .2);
  transform:translate(0,-50%);opacity:0;pointer-events:none;
  transition:transform .5s var(--spring),width .5s cubic-bezier(.3,1.3,.6,1),opacity .2s}
.nav__blob.is-on{opacity:1;animation:squish .5s var(--ease)}
@keyframes squish{35%{scale:1.06 .82}}
.nav__toggle{display:none;width:40px;height:40px;border-radius:50%;border:0;background:rgb(255 255 255 / .5);position:relative}
.nav__toggle i{position:absolute;left:12px;right:12px;height:2px;background:currentColor;border-radius:2px;transition:transform .35s var(--spring),top .35s var(--spring)}
.nav__toggle i:first-child{top:16px}.nav__toggle i:last-child{top:22px}
.nav[data-open="true"] .nav__toggle i:first-child{top:19px;transform:rotate(45deg)}
.nav[data-open="true"] .nav__toggle i:last-child{top:19px;transform:rotate(-45deg)}
/* dark variant over dark sections */
.nav--dark{background:linear-gradient(180deg,rgb(255 255 255 / .14),rgb(255 255 255 / .04) 46%),rgb(20 18 16 / .45);box-shadow:inset 0 1px 0 rgb(255 255 255 / .25),inset 0 -1px 0 rgb(255 255 255 / .06),0 14px 40px -10px rgb(0 0 0 / .5);color:#fff}
.nav--dark .nav__links a{color:rgb(255 255 255 / .66);text-shadow:none}
.nav--dark .nav__links a:hover,.nav--dark .nav__links a:focus-visible{color:#fff}
.nav--dark .nav__links a.is-current{color:var(--color-accent-on-dark)}
.nav--dark .nav__links .nav__cta{background:#fff;color:var(--color-text)}
.nav--dark .nav__blob{background:rgb(255 255 255 / .14);box-shadow:inset 0 1px 0 rgb(255 255 255 / .25)}
.nav--dark .nav__toggle{background:rgb(255 255 255 / .14)}
@media (max-width:820px){
  .nav[data-open="true"]{background:linear-gradient(180deg,rgb(255 253 249 / .9),rgb(255 253 249 / .78))}
  .nav{height:56px;border-radius:28px;padding:0 8px 0 16px;align-items:flex-start;overflow:hidden}
  .nav__logo{height:56px}
  .nav__toggle{display:block;margin-top:8px}
  .nav__links{position:absolute;left:0;right:0;top:56px;flex-direction:column;align-items:stretch;padding:4px 12px 14px;gap:2px;opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .3s,transform .45s var(--spring-soft)}
  .nav[data-open="true"]{height:372px;border-radius:28px}
  .nav[data-open="true"] .nav__links{opacity:1;pointer-events:auto;transform:none}
  .nav__links a{padding:12px 16px;font-size:1.05rem}
  .nav__links .nav__cta{margin:6px 0 0;text-align:center}
  .nav__blob{display:none}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 26px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:1.02rem;
  transition:transform .35s var(--spring),background .2s,box-shadow .2s;will-change:transform}
.btn:hover,.btn:focus-visible{transform:translateY(-2px) scale(1.03)}
.btn:active{transform:scale(.96);transition-duration:.1s}
.btn--primary{background:var(--color-accent);color:#fff}
.btn--ghost{background:transparent;border-color:rgb(10 9 8 / .25)}
.btn--ghost:hover{background:rgb(10 9 8 / .05)}

/* ---------- hero ---------- */
.hero{padding-bottom:20px}
.hero__title{font-size:clamp(2.2rem,8.1vw,7.6rem);line-height:.96;letter-spacing:-.045em;margin-top:clamp(24px,6vh,70px)}
.hero__lede{font-size:clamp(1.15rem,1.9vw,1.5rem);max-width:30em;margin-top:30px;color:rgb(10 9 8 / .72)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
[data-decrypt]{font-variant-ligatures:none}
[data-decrypt] .dc{display:inline-block}

/* the live thing */
.try{margin-top:clamp(70px,11vw,130px)}
.try__title{font-size:clamp(1.7rem,3.2vw,2.5rem);max-width:17em;line-height:1.08}
.try__head .muted{margin-top:12px;font-size:1rem}
.try__grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;margin-top:36px;align-items:start}
.chat{background:var(--color-paper);border-radius:28px;overflow:hidden}
.chat__bar{display:flex;align-items:center;gap:10px;padding:16px 20px;background:var(--color-text);color:#fff;font-weight:600}
.chat__bar small{margin-left:auto;font-weight:400;font-size:.875rem;opacity:.7}
.chat__dot{width:9px;height:9px;border-radius:50%;background:#7bd88f}
.chat__log{min-height:156px;padding:18px 16px 6px;display:flex;flex-direction:column;gap:8px;justify-content:flex-end}
.bubble{align-self:flex-start;max-width:90%;padding:10px 14px;border-radius:4px 18px 18px 18px;background:var(--color-bubble);font-size:1.02rem;line-height:1.4;
  animation:pop .5s var(--spring) both;transform-origin:0 100%}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.85)}}
.typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px;border-radius:18px;background:#fff;border:1px solid var(--color-line)}
.typing i{width:7px;height:7px;border-radius:50%;background:rgb(10 9 8 / .4);animation:blink 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes blink{50%{opacity:.25;transform:translateY(-3px)}}
.chat__chips{display:flex;flex-direction:column;gap:8px;padding:12px 16px 18px}
.chip{text-align:left;padding:11px 15px;border-radius:14px;border:1px solid var(--color-line);background:var(--color-bg);font-size:1rem;line-height:1.3;
  transition:transform .35s var(--spring),border-color .2s,background .2s}
.chip:hover,.chip:focus-visible{transform:translateX(4px);border-color:var(--color-accent)}
.chip:active{transform:scale(.97)}
.chip[aria-pressed="true"]{background:var(--color-text);color:#fff;border-color:var(--color-text)}

.read{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;background:var(--color-paper);border-radius:28px;padding:26px;min-height:420px;align-content:start}
.read h3{font-size:.95rem;font-family:var(--font-body);font-weight:700;color:rgb(10 9 8 / .55);margin-bottom:14px}
.fields{margin:0;display:grid;gap:10px}
.fields div{display:grid;grid-template-columns:84px 1fr;gap:10px;align-items:baseline;opacity:0;transform:translateY(8px);transition:opacity .35s,transform .45s var(--spring)}
.fields div.in{opacity:1;transform:none}
.fields dt{font-size:.85rem;color:rgb(10 9 8 / .55)}
.fields dd{margin:0;font-weight:600;font-size:1.05rem;overflow-wrap:anywhere}
.read__time{margin-top:14px;font-size:.88rem;color:rgb(10 9 8 / .55)}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.checks li{display:flex;gap:10px;align-items:center;opacity:0;transform:translateX(-8px);transition:opacity .3s,transform .45s var(--spring)}
.checks li.in{opacity:1;transform:none}
.tick{width:22px;height:22px;flex:none;border-radius:50%;background:var(--color-text);display:grid;place-items:center}
.tick svg{width:12px;height:12px;stroke:#fff;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.tick--hold{background:var(--color-accent)}
.read__result{grid-column:1/-1;margin-top:4px;padding:20px 22px;border-radius:20px;background:var(--color-accent);color:#fff;font-family:var(--font-display);font-weight:500;font-size:clamp(1.1rem,2vw,1.4rem);line-height:1.25;
  opacity:0;transform:translateY(12px) scale(.98);transition:opacity .4s,transform .55s var(--spring)}
.read__result.in{opacity:1;transform:none}
.read__result small{display:block;margin-top:8px;font:400 .9rem var(--font-body);opacity:.85}
.read__result.is-held{background:var(--color-text)}
.read__idle{grid-column:1/-1;color:rgb(10 9 8 / .5);padding:40px 0;text-align:center}

/* ---------- sections ---------- */
.sec{padding:clamp(90px,14vw,170px) 0 20px}
.sec__title{text-align:center;font-size:clamp(1.9rem,4.6vw,3.5rem);line-height:1.05;max-width:16em;margin:0 auto;letter-spacing:-.035em}
.sec__lede{text-align:center;max-width:36em;margin:22px auto 0;color:rgb(10 9 8 / .7)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 36px;margin-top:56px}
.step{text-align:left}
.step__art{aspect-ratio:16/10;background:#f4f2ed;border-radius:22px;overflow:hidden;margin-bottom:20px;transition:transform .5s var(--spring)}
.step__art img{width:100%;height:100%;object-fit:cover;object-position:top left}
.step:hover .step__art{transform:translateY(-6px) rotate(-1deg)}
.step h3{font-size:1.4rem;margin-bottom:8px}
.step p{color:rgb(10 9 8 / .7);font-size:1.05rem}
@media (max-width:700px){.steps{grid-template-columns:1fr;max-width:440px;margin-left:auto;margin-right:auto}}

/* ---------- photo expansion ---------- */
.expand{height:215vh;height:215svh;margin-top:clamp(90px,14vw,170px);position:relative}
.expand__stick{position:sticky;top:0;height:100vh;height:100svh;display:grid;place-items:center;overflow:hidden}
.expand__frame{position:relative;width:calc(100vw - 28px);height:calc(100vh - 28px);height:calc(100svh - 28px);border-radius:34px;overflow:hidden;background:#111;
  transform:scale(var(--s,.6));transform-origin:center;will-change:transform;box-shadow:0 40px 80px -30px rgb(10 9 8 / .5)}
.expand__frame img{width:100%;height:100%;object-fit:cover;object-position:top center}
.expand__veil{position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgb(8 8 7 / .82));opacity:var(--t,0)}
.expand__text{position:absolute;left:clamp(24px,5vw,72px);bottom:clamp(28px,6vh,72px);right:24px;color:#fff;opacity:var(--t,0);transform:translateY(calc((1 - var(--t,0)) * 24px))}
.expand__text h2{font-size:clamp(1.8rem,4.6vw,4rem);line-height:1;letter-spacing:-.04em;max-width:13em}
.expand__text p{margin-top:14px;max-width:30em;font-size:clamp(1rem,1.6vw,1.25rem);color:rgb(255 255 255 / .85)}

.expand__link{position:absolute;inset:0;display:block;cursor:pointer}
.expand__text,.expand__veil{pointer-events:none}
.expand__cta{pointer-events:auto;margin-top:22px}
.close__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.close .btn--ghost{border-color:rgb(255 255 255 / .35);color:#fff}
.close .btn--ghost:hover{background:rgb(255 255 255 / .08)}

/* ---------- trust (dark) ---------- */
.sec--dark{background:var(--color-dark);color:#f4efe6;padding-bottom:clamp(90px,12vw,150px);margin-top:0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 36px;margin-top:64px}
.stat__n{display:block;font-family:var(--font-display);font-weight:700;font-size:clamp(2.6rem,6.2vw,5.4rem);line-height:.95;letter-spacing:-.05em;white-space:nowrap;color:var(--color-accent-on-dark);font-variant-numeric:tabular-nums}
.stat p{margin-top:16px;color:rgb(244 239 230 / .75);font-size:1.05rem;max-width:20em}
.notes{display:grid;grid-template-columns:1fr 1fr;gap:28px 48px;margin-top:110px}
.notes p{color:rgb(244 239 230 / .8);font-size:1.05rem}
.notes b{color:#fff}
@media (max-width:820px){.stats{grid-template-columns:1fr;gap:40px}.notes{grid-template-columns:1fr}}

/* ---------- languages ---------- */
.lang{max-width:820px;margin:48px auto 0}
.lang__tabs{position:relative;display:inline-flex;margin:0 auto;left:50%;transform:translateX(-50%);padding:5px;border-radius:999px;background:var(--color-paper);box-shadow:inset 0 0 0 1px var(--color-line)}
.lang__tabs button{position:relative;z-index:1;border:0;background:transparent;padding:11px 24px;border-radius:999px;font-weight:600;color:rgb(10 9 8 / .6);transition:color .25s}
.lang__tabs button[aria-selected="true"]{color:#fff;background:var(--color-text);transition:color .2s .12s,background 0s .32s}
.lang__tabs button[aria-selected="false"]{transition:color .15s,background 0s}
.lang__ink{position:absolute;z-index:0;top:5px;bottom:5px;left:0;width:0;border-radius:999px;background:var(--color-text);transition:transform .55s var(--spring),width .5s var(--spring-soft)}
.lang__card{margin-top:22px;padding:clamp(24px,4vw,44px);background:var(--color-paper);border-radius:28px;min-height:230px}
.lang__card p{font-size:clamp(1.15rem,2.1vw,1.5rem);line-height:1.5;white-space:pre-line;transition:opacity .25s,transform .45s var(--spring)}
.lang__card p.is-out{opacity:0;transform:translateY(10px)}
.lang__src{text-align:center;margin-top:16px;font-size:.92rem}

/* ---------- faq ---------- */
.faq{margin-top:48px;display:grid;gap:10px}
.faq details{background:var(--color-paper);border-radius:20px;padding:0 24px;transition:background .2s}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 0;font-family:var(--font-display);font-weight:500;font-size:1.15rem;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:22px;height:22px;border-radius:50%;background:
  linear-gradient(var(--color-text),var(--color-text)) center/10px 2px no-repeat,
  linear-gradient(var(--color-text),var(--color-text)) center/2px 10px no-repeat,var(--color-bg);transition:transform .45s var(--spring)}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq details p{padding:0 0 24px;color:rgb(10 9 8 / .72);max-width:40em;animation:rise .45s var(--spring) both}
@keyframes rise{from{opacity:0;transform:translateY(-8px)}}

/* ---------- close ---------- */
.close{margin-top:clamp(110px,14vw,170px);background:var(--color-dark);color:#f4efe6;padding-top:clamp(80px,10vw,130px);overflow:hidden}
.close__lede{font-size:clamp(2rem,6vw,4.6rem);line-height:1;letter-spacing:-.04em}
.cmd{position:relative;margin-top:40px;background:#1a1816;border-radius:22px;padding:24px 24px 24px;max-width:860px}
.cmd pre{margin:0;overflow-x:auto;font:400 .95rem/1.7 ui-monospace,"SF Mono",Menlo,monospace;color:#f4efe6;padding-right:100px;white-space:pre}
.cmd__copy{position:absolute;right:16px;top:16px;padding:9px 18px;font-size:.9rem}
.close__small{margin-top:22px;color:rgb(244 239 230 / .65);font-size:1rem;max-width:44em}
.close__small code{font:.9em ui-monospace,Menlo,monospace;background:#1a1816;padding:2px 7px;border-radius:6px}
.close__name{font-family:var(--font-display);font-weight:700;font-size:21.5vw;line-height:.8;letter-spacing:-.06em;white-space:nowrap;margin:clamp(50px,8vw,100px) 0 -2.4vw -.5vw;color:var(--color-accent-on-dark);text-align:center;user-select:none}

/* ---------- reveal-on-enter (once) ---------- */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .9s var(--spring-soft);transition-delay:calc(var(--i,0) * 80ms)}
.js .rv.in{opacity:1;transform:none}

/* ---------- smaller screens ---------- */
@media (max-width:900px){
  .try__grid{grid-template-columns:1fr}
  .read{grid-template-columns:1fr}
}
@media (max-width:460px){
  .wrap{padding:0 18px}
  .hero__actions .btn{flex:1 1 100%}
  .expand{height:190vh}
  .expand__frame{border-radius:26px}
  .cmd pre{font-size:.78rem;padding-right:0}
  .cmd__copy{position:static;margin-top:16px;width:100%}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .nav__blob{display:none}
  .js .rv{opacity:1;transform:none}
  .expand{height:auto;margin-top:90px}
  .expand__stick{position:static;height:auto;padding:0 14px}
  .expand__frame{--s:1;width:100%;height:auto;aspect-ratio:16/10}
  .expand__veil,.expand__text{opacity:1;transform:none}
  .fields div,.checks li,.read__result{opacity:1;transform:none}
}