:root{
  --bg:#070707;
  --ink:#ffffff;
  --grey-1:#c9c9c9;
  --grey-2:#8e8e8e;
  --grey-3:#5c5c5c;
  --line:rgba(255,255,255,.10);
  --tile:rgba(255,255,255,.045);   /* background shapes — .03 barely there, .10 loud */
  --hair:rgba(255,255,255,.10);
  --nav-h:72px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);overflow-x:hidden;color-scheme:dark}
body{
  font-family:'PP Neue Montreal','Switzer',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:0}
:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:6px}

/* ---------- MOTION SYSTEM ----------
   one curve, three speeds. everything else inherits from here.
   --ease   : the single easing curve used site-wide
   --t-micro: hover / press feedback
   --t-rev  : element reveals
------------------------------------- */
:root{
  --ease:cubic-bezier(.19,.72,.16,1);
  --t-micro:.22s;
  --t-rev:.7s;
}

/* links wipe an underline in rather than just changing colour */
.nav-links a,.footer-col a{position:relative}
.nav-links a::after,.footer-col a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1px;
  background:currentColor;opacity:.5;
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform var(--t-micro) var(--ease);
}
.footer-col a::after{left:0;right:0;bottom:2px}
.nav-links a:hover::after,.footer-col a:hover::after{transform:scaleX(1)}

/* every button confirms the press */
.btn,.cta-nav,.qtab,.open-primary{transition:transform var(--t-micro) var(--ease),filter var(--t-micro) var(--ease),background var(--t-micro) var(--ease),color var(--t-micro) var(--ease),box-shadow var(--t-micro) var(--ease)}
.btn:active,.cta-nav:active,.qtab:active,.open-primary:active{transform:scale(.975)}

/* headings resolve out of blur, word by word.
   the gradient has to live on the SPAN: a filter or transform on a child of a
   background-clip:text parent breaks the clip and the text vanishes. */
.reveal-words > span{
  display:inline-block;
  background:linear-gradient(180deg,#ffffff 20%,#dcdcdc 70%,#b0b0b0 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  opacity:0;filter:blur(10px);
}
.reveal-words.in > span{
  opacity:1;filter:blur(0);
  transition:opacity var(--t-rev) var(--ease),filter var(--t-rev) var(--ease);
  transition-delay:calc(var(--i) * 55ms);
}

/* layered depth: background drifts slower than the content on top of it */
.grid-bg,.step-media img,.footer-mark{will-change:transform}

@media(prefers-reduced-motion:reduce){
  .reveal-words > span,.reveal-words.in > span{opacity:1;filter:none;transition:none}
}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;
  background:rgba(7,7,7,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease;
}
.nav.scrolled{
  background:rgba(7,7,7,.88);
  border-bottom-color:rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:31px;height:31px;border-radius:50%;
  background:#101010;border:1px solid var(--hair);
  display:grid;place-items:center;flex:none;
}
.brand-name{font-size:19px;font-weight:600;letter-spacing:.16em}

.nav-links{
  display:flex;align-items:center;
  position:absolute;left:50%;transform:translateX(-50%);
}
.nav-links a{
  font-size:14.5px;font-weight:500;
  color:var(--grey-1);padding:8px 13px;border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.dot{width:3px;height:3px;border-radius:50%;background:var(--grey-3);flex:none}

.cta-nav{
  display:inline-block;text-decoration:none;
  padding:11px 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;
  color:#0a0a0a;background:#fff;
  transition:transform .18s ease,background .18s ease;
}
.cta-nav:hover{background:var(--grey-1);transform:translateY(-1px)}

/* ---------- MOBILE MENU ---------- */
.burger{
  display:none;
  width:40px;height:40px;flex:none;
  align-items:center;justify-content:center;
  border-radius:12px;background:transparent;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
  cursor:pointer;
}
.burger span{
  display:block;width:17px;height:1.5px;border-radius:2px;background:#fff;
  position:relative;
  transition:transform .28s var(--ease),opacity .18s var(--ease);
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:17px;height:1.5px;border-radius:2px;background:#fff;
  transition:transform .28s var(--ease);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
body.menu-open .burger span{background:transparent}
body.menu-open .burger span::before{transform:translateY(6px) rotate(45deg)}
body.menu-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}

.menu{
  position:fixed;inset:0;z-index:45;
  display:flex;flex-direction:column;justify-content:center;
  padding:0 28px calc(var(--nav-h) + 20px);
  background:rgba(6,6,7,.94);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s;
}
body.menu-open .menu{opacity:1;visibility:visible}
body.menu-open{overflow:hidden}

.menu a{
  display:block;padding:18px 0;
  font-size:30px;font-weight:600;letter-spacing:-.028em;
  color:#fff;
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.07);
  opacity:0;transform:translateY(14px);filter:blur(6px);
}
.menu a:last-of-type{box-shadow:none}
body.menu-open .menu a{
  opacity:1;transform:none;filter:blur(0);
  transition:opacity .5s var(--ease),transform .5s var(--ease),filter .5s var(--ease);
  transition-delay:calc(var(--i) * 60ms + 80ms);
}
.menu .menu-cta{
  margin-top:26px;text-align:center;
  padding:17px 24px;border-radius:999px;
  font-size:17px;font-weight:600;letter-spacing:-.012em;
  color:#0a0a0a;background:#fff;box-shadow:none;
}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 96px) 24px 0;
  min-height:100vh;
  overflow:hidden;
  text-align:center;
}
.hero::before{ /* soft white haze behind the headline */
  content:"";position:absolute;top:-14%;left:50%;transform:translateX(-50%);
  width:min(920px,110vw);height:620px;
  background:radial-gradient(50% 50% at 50% 50%,rgba(255,255,255,.075),transparent 70%);
  z-index:1;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:200px;
  background:linear-gradient(to bottom,rgba(7,7,7,0),var(--bg));
  z-index:1;pointer-events:none;
}

.grid-bg{
  position:absolute;inset:-220px -80px 0;
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(215px,1fr));
  grid-auto-rows:235px;
  gap:8px;padding:0 40px;
  z-index:0;pointer-events:none;
  -webkit-mask-image:radial-gradient(125% 95% at 50% 34%,#000 46%,rgba(0,0,0,.72) 72%,transparent 97%);
  mask-image:radial-gradient(125% 95% at 50% 34%,#000 46%,rgba(0,0,0,.72) 72%,transparent 97%);
}
.grid-bg i{display:block;border:1px solid var(--tile);border-radius:78px}

.hero-inner{position:relative;z-index:2;max-width:1180px;margin:0 auto}

.brand-mark img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
.brand-mark.has-logo{background:none;border-color:transparent;overflow:hidden}

.app-icon img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}
.app-icon.has-logo{background:none;overflow:hidden}
.app-icon{
  width:80px;height:80px;margin:0 auto 26px;
  border-radius:24px;
  background:linear-gradient(150deg,#3d3d3d 0%,#1d1d1d 46%,#101010 100%);
  box-shadow:0 0 0 1px var(--hair),0 22px 55px -20px rgba(255,255,255,.28);
  display:grid;place-items:center;
}

h1{
  font-size:clamp(40px,6.1vw,84px);
  line-height:1.06;
  letter-spacing:-.035em;
  font-weight:700;
  margin:0 auto;
  background:linear-gradient(180deg,#ffffff 16%,#e2e2e2 54%,#a7a7a7 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
h1 .line{display:block}

/* tagline stays in the display voice — same family, one size step down,
   one tone step down. That is what ties it to the headline. */
.tagline{
  margin:24px auto 0;
  font-size:clamp(19px,1.7vw,23px);
  font-weight:500;
  letter-spacing:-.015em;
  color:#9e9e9e;
}
.tagline b{color:#e8e8e8;font-weight:500}


.actions{margin-top:38px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;text-decoration:none;
  padding:15px 30px;border-radius:999px;
  font-size:16px;font-weight:600;letter-spacing:-.012em;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-solid{
  background:#fff;color:#0a0a0a;
  box-shadow:0 14px 40px -18px rgba(255,255,255,.6);
}
.btn-solid:hover{background:var(--grey-1)}
.btn-outline{
  background:transparent;color:#fff;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn-outline:hover{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.4)}

.panel-wrap{position:relative;z-index:2;max-width:1120px;margin:80px auto 0;padding:0 8px}
.panel{
  aspect-ratio:16/10;         /* image ka natural ratio yahan set karo */
  min-height:420px;
  background:#000;
  border-radius:16px;
  overflow:hidden;
  box-shadow:inset 0 0 0 1px var(--hair);
}
.panel img{width:100%;height:100%;object-fit:contain;object-position:center;display:block}


/* ---------- HERO LOAD SEQUENCE ---------- */
.rv{
  opacity:0;
  transform:translateY(16px);
  filter:blur(9px);
}
body.ready .rv{
  opacity:1;transform:none;filter:blur(0);
  transition:
    opacity .95s cubic-bezier(.19,.72,.16,1) var(--d,0s),
    transform .95s cubic-bezier(.19,.72,.16,1) var(--d,0s),
    filter .95s cubic-bezier(.19,.72,.16,1) var(--d,0s);
}
.grid-bg{opacity:0;transition:opacity 1.6s ease .1s;will-change:transform,opacity}
body.ready .grid-bg{opacity:1}

/* the panel lands like a physical object */
.panel-wrap{perspective:1600px}
.panel{
  transform-origin:50% 0;
  transform:rotateX(7deg) translateY(26px) scale(.98);
  opacity:0;
}
body.ready .panel{
  transform:none;opacity:1;
  transition:transform 1.3s cubic-bezier(.19,.72,.16,1) .55s,opacity 1s ease .55s;
}
.panel img{will-change:transform}

@media(prefers-reduced-motion:reduce){
  .rv,body.ready .rv{opacity:1;transform:none;filter:none;transition:none}
  .grid-bg{opacity:1;transition:none}
  .panel,body.ready .panel{opacity:1;transform:none;transition:none}
}

/* ---------- SEE IT WORK ---------- */
.convo{
  position:relative;z-index:2;overflow:hidden;
  max-width:900px;margin:0 auto;
  padding:150px 24px 40px;
  --chat-accent:#ffffff;
}
.convo::before{
  content:"";position:absolute;top:30%;left:50%;transform:translateX(-50%);
  width:min(900px,100%);height:560px;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%,rgba(255,255,255,.05),transparent 72%);
}
.convo-head{position:relative;text-align:center;margin-bottom:50px}
.convo-head h2{
  font-size:clamp(32px,3.6vw,46px);
  font-weight:700;letter-spacing:-.032em;line-height:1.1;
  background:linear-gradient(180deg,#ffffff 20%,#dcdcdc 70%,#b0b0b0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.convo-head p{margin-top:16px;font-size:16.5px;font-weight:500;letter-spacing:-.012em;color:#8a8a8a}

/* ----- question chips ----- */
.qtabs{
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;
  margin:0 auto 26px;position:relative;
}
.qtab{
  padding:11px 20px;border-radius:999px;
  font-size:14.5px;font-weight:500;letter-spacing:-.008em;
  color:#8f8f95;background:transparent;
  box-shadow:inset 0 0 0 1px #262130;
  transition:color .2s ease,box-shadow .2s ease,background .2s ease;
}
.qtab:hover{color:#d8d8dc;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.qtab[aria-selected="true"]{
  color:#0c0c0c;background:var(--chat-accent);
  box-shadow:0 10px 30px -16px color-mix(in srgb,var(--chat-accent) 80%,transparent);
}

/* ----- stage ----- */
.chat-stage{position:relative;max-width:620px;margin:0 auto;perspective:1500px}
.chat-stage::after{
  content:"";position:absolute;bottom:-46px;left:max(-14%,-24px);right:max(-14%,-24px);height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.13),transparent);
}
.chat-stage::before{
  content:"";position:absolute;bottom:-46px;left:8%;right:8%;height:120px;
  background:radial-gradient(50% 60% at 50% 0,rgba(255,255,255,.07),transparent 72%);
  pointer-events:none;
}
.chat-tilt{
  position:relative;transform-origin:50% 0;
  transform:rotateX(9deg) translateY(22px) scale(.97);opacity:0;
  transition:transform 1s cubic-bezier(.19,.72,.16,1),opacity .8s ease;
}
.chat-tilt.settled{transform:none;opacity:1}

.plate{
  position:absolute;left:50%;height:70px;border-radius:26px;
  background:#100e13;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
}
.plate.p1{width:93%;top:-13px;transform:translateX(-50%);opacity:.8}
.plate.p2{width:85%;top:-25px;transform:translateX(-50%);opacity:.45}

.chat{
  position:relative;z-index:1;
  border-radius:26px;
  background:linear-gradient(180deg,#1a171e 0%,#131016 42%,#0f0d12 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.075),
    0 50px 90px -50px rgba(0,0,0,.95),
    0 0 130px -60px rgba(255,255,255,.18);
}
.chat::before{
  content:"";position:absolute;top:0;left:14%;right:14%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
}
.chat::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='160'%20height='160'%3E%3Cfilter%20id='n'%3E%3CfeTurbulence%20type='fractalNoise'%20baseFrequency='.9'%20numOctaves='3'/%3E%3C/filter%3E%3Crect%20width='100%25'%20height='100%25'%20filter='url(%23n)'/%3E%3C/svg%3E");
}
.sheen{
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0;
  opacity:0;transition:opacity .3s ease;
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.09),transparent 68%);
}
.chat:hover .sheen{opacity:1}

.chat-head{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:11px;padding:17px 22px;
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.06);
}
.chat-head .name{font-size:14.5px;font-weight:600;letter-spacing:-.005em;color:#ece8ee}
.chat-head .addr{
  margin-left:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;letter-spacing:-.01em;color:#7c7383;
}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
.avatar.has-logo{background:none;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.13)}
.avatar{
  width:28px;height:28px;flex:none;border-radius:50%;
  background:linear-gradient(180deg,#2a262e,#1a171e);
  display:grid;place-items:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 0 0 1px rgba(255,255,255,.09);
}

/* ----- the answer ----- */
.answer{position:relative;z-index:1;padding:26px 22px 28px}
.answer[hidden]{display:none}
.ask{
  font-size:14px;color:#7f7686;letter-spacing:-.006em;
  padding-bottom:18px;margin-bottom:22px;
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.06);
}

.figs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fig .v{
  display:block;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:22px;letter-spacing:-.03em;color:#fff;font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.fig .k{
  display:block;margin-top:7px;
  font-size:12.5px;line-height:1.4;color:#8a8090;letter-spacing:-.002em;
}

.holds{display:flex;flex-direction:column}
.holds div{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 0;box-shadow:inset 0 -1px 0 rgba(255,255,255,.05);
}
.holds div:last-child{box-shadow:none}
.holds .t{font-size:14px;color:#8a8090;letter-spacing:.04em}
.holds .a{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:16px;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}

.prose{
  margin-top:22px;
  font-size:15.5px;line-height:1.68;color:#a9a2b0;letter-spacing:-.004em;
}

.stag{opacity:0;transform:translateY(7px)}
.stag.in{opacity:1;transform:none;transition:opacity .45s cubic-bezier(.2,.7,.2,1),transform .45s cubic-bezier(.2,.7,.2,1)}

@media(max-width:640px){
  .convo{padding:100px 18px 30px}
  .chat{border-radius:20px}
  .plate{display:none}
  .chat-head{padding:14px 16px}
  .answer{padding:22px 16px 24px}
  .figs{grid-template-columns:1fr;gap:16px}
  .qtab{font-size:13.5px;padding:10px 16px}
}
@media(prefers-reduced-motion:reduce){
  .chat-tilt{transform:none;opacity:1;transition:none}
  .stag{opacity:1;transform:none}
}

/* ---------- WHERE THE NUMBERS COME FROM ---------- */
.proof{
  position:relative;z-index:2;overflow:hidden;
  max-width:1100px;margin:0 auto;
  padding:150px 24px 30px;
  --proof-accent:#ffffff;      /* pink chahiye to: #f2a5c4 */
}
.proof-head{text-align:center;max-width:680px;margin:0 auto 66px}
.proof-head h2{
  font-size:clamp(32px,3.6vw,46px);
  font-weight:700;letter-spacing:-.032em;line-height:1.1;
  background:linear-gradient(180deg,#ffffff 20%,#dcdcdc 70%,#b0b0b0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.proof-head p{
  margin:18px auto 0;max-width:52ch;
  font-size:16.5px;font-weight:500;line-height:1.6;letter-spacing:-.012em;color:#8a8a8a;
}

.proof-grid{
  display:grid;grid-template-columns:55fr 45fr;gap:64px;align-items:center;
}

/* ----- flow diagram ----- */
.flow{display:flex;flex-direction:column;align-items:stretch}
.node{
  border-radius:14px;
  padding:15px 18px;
  background:#141118;
  box-shadow:inset 0 0 0 1px #262130;
  opacity:.32;
  transition:opacity .45s ease,box-shadow .45s ease,background .45s ease;
}
.node.lit{
  opacity:1;
  background:#17141c;
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb,var(--proof-accent) 30%,#262130),
    0 0 34px -14px color-mix(in srgb,var(--proof-accent) 60%,transparent);
  transition-delay:.12s;
}
.node .label{
  display:block;font-size:11.5px;font-weight:600;letter-spacing:.16em;
  color:#6f6578;margin-bottom:7px;
}
.node .body{font-size:15px;line-height:1.5;color:#f5f0f5;letter-spacing:-.006em}
.node .body .mono{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;letter-spacing:-.01em;
}
.node .rows{
  display:block;margin-top:8px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;color:#9a8fa3;font-variant-numeric:tabular-nums;
}
.node.q{border-radius:14px 14px 14px 5px;color:#f5f0f5}
.node.q .body{color:#cdc7d1}

.conn{height:26px;display:flex;justify-content:center;flex:none}
.conn span{
  width:1px;height:100%;background:#262130;
  transform:scaleY(0);transform-origin:top;
  transition:transform .34s ease,background .34s ease;
}
.conn.lit span{transform:scaleY(1);background:color-mix(in srgb,var(--proof-accent) 34%,#262130)}

.fork{height:46px}
.fork svg{width:100%;height:100%;display:block}
.fork path{
  fill:none;stroke:#262130;stroke-width:1;
  stroke-dasharray:1;stroke-dashoffset:1;
  transition:stroke-dashoffset .5s ease,stroke .5s ease;
}
.fork.lit path{stroke-dashoffset:0;stroke:color-mix(in srgb,var(--proof-accent) 34%,#262130)}

.branch{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ----- explanation blocks ----- */
.notes{display:flex;flex-direction:column;gap:38px}
.note h3{
  font-size:19px;font-weight:600;letter-spacing:-.02em;color:#f5f0f5;
  margin-bottom:12px;
}
.note p{
  font-size:15.5px;line-height:1.68;color:#9a8fa3;letter-spacing:-.004em;
  max-width:46ch;
}
.note{padding-left:20px;box-shadow:inset 1px 0 0 #262130}

@media(max-width:900px){
  .proof{padding:110px 24px 20px}
  .proof-grid{grid-template-columns:1fr;gap:56px}
  .notes{gap:32px}
}
@media(prefers-reduced-motion:reduce){
  .node{opacity:1}
  .conn span{transform:scaleY(1)}
  .fork path{stroke-dashoffset:0}
}

/* ---------- BUILT IN THE OPEN ---------- */
.open{
  position:relative;z-index:2;overflow:hidden;
  max-width:1000px;margin:0 auto;
  padding:150px 24px 120px;
  text-align:center;
  --open-accent:#ffffff;        /* pink chahiye to: #f2a5c4 */
}
.open h2{
  font-size:clamp(32px,3.6vw,46px);
  font-weight:700;letter-spacing:-.032em;line-height:1.1;
  background:linear-gradient(180deg,#ffffff 20%,#dcdcdc 70%,#b0b0b0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.open > p{
  margin:18px auto 0;max-width:54ch;
  font-size:16.5px;font-weight:500;line-height:1.6;letter-spacing:-.012em;color:#8a8a8a;
}

.open-items{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  margin:64px auto 0;max-width:940px;
  text-align:left;
}
.open-items > div{padding:4px 30px;box-shadow:inset 1px 0 0 #262130}
.open-items > div:first-child{box-shadow:none;padding-left:0}
.open-items h3{
  font-size:16.5px;font-weight:600;letter-spacing:-.015em;color:#f5f0f5;
  margin-bottom:9px;
}
.open-items p{font-size:14.5px;line-height:1.6;color:#9a8fa3;letter-spacing:-.004em}

.open-cta{
  margin-top:64px;
  display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap;
}
.open-primary{
  padding:16px 32px;border-radius:999px;
  font-size:16px;font-weight:600;letter-spacing:-.012em;
  color:#0a0a0a;background:var(--open-accent);
  box-shadow:0 16px 44px -20px color-mix(in srgb,var(--open-accent) 75%,transparent);
  transition:filter .2s ease,transform .2s ease;
}
.open-primary:hover{filter:brightness(.9);transform:translateY(-2px)}
.open-secondary{
  font-size:15.5px;font-weight:500;letter-spacing:-.008em;color:#c2bcc7;
  padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.open-secondary:hover{color:#fff;border-bottom-color:rgba(255,255,255,.45)}

.open-meta{
  margin-top:26px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;letter-spacing:.01em;color:#635a6b;
}

.rev{opacity:0;transform:translateY(8px)}
.rev.in{opacity:1;transform:none;transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1)}

@media(max-width:820px){
  .open{padding:110px 24px 90px}
  .open-items{grid-template-columns:1fr;gap:30px;max-width:420px}
  .open-items > div{padding:0 0 0 20px;box-shadow:inset 1px 0 0 #262130}
  .open-items > div:first-child{padding-left:20px;box-shadow:inset 1px 0 0 #262130}
  .open-cta{gap:20px}
}
@media(prefers-reduced-motion:reduce){
  .rev{opacity:1;transform:none}
}

/* ---------- HOW IT WORKS ---------- */
.works{
  position:relative;z-index:2;overflow:hidden;
  max-width:1120px;
  margin:0 auto;
  padding:150px 24px 20px;
}
.works-head{text-align:center;max-width:640px;margin:0 auto 64px}
.works-head h2{
  font-size:clamp(32px,3.6vw,46px);
  font-weight:700;letter-spacing:-.032em;line-height:1.1;
  background:linear-gradient(180deg,#ffffff 20%,#dcdcdc 70%,#b0b0b0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.works-head p{
  margin-top:16px;
  font-size:16.5px;font-weight:500;letter-spacing:-.012em;
  color:#8a8a8a;
}

.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.step{
  position:relative;
  display:flex;flex-direction:column;
  padding:0 0 38px;
  border-radius:20px;
  overflow:hidden;
  text-align:center;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.012) 55%,rgba(255,255,255,.008));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  transition:box-shadow .25s ease;
}
.step:hover{box-shadow:inset 0 0 0 1px rgba(255,255,255,.17)}

/* ---- image slot on top of each card ---- */
.step-media{
  position:relative;
  height:230px;
  display:grid;place-items:center;
  overflow:hidden;
}
.step-media::after{            /* soft glow so an empty slot still reads as art */
  content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);
  width:min(300px,100%);height:300px;
  background:radial-gradient(50% 50% at 50% 50%,rgba(255,255,255,.09),transparent 70%);
  pointer-events:none;
}
.step-media img{
  position:relative;z-index:1;
  display:block;
  width:100%;height:100%;
  object-fit:contain;          /* poori image dikhegi, crop nahi hogi */
  object-position:center top;  /* image slot mein upar baithegi */
  padding:12px 30px 36px;
}

.step-body{padding:0 28px}
.step .num{
  display:block;
  font-size:13px;font-weight:600;letter-spacing:.18em;
  color:#5f5f5f;font-variant-numeric:tabular-nums;
}
.step h3{
  margin:12px 0 16px;
  font-size:23px;font-weight:600;letter-spacing:-.022em;
  color:#f2f2f2;line-height:1.25;
}
.step p{
  font-size:14.5px;font-weight:400;line-height:1.65;
  color:#8d8d8d;letter-spacing:-.004em;
  max-width:34ch;margin-inline:auto;
}
.step p + p{margin-top:11px}

.asks{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.asks span{font-size:14.5px;line-height:1.5;color:#c4c4c4}

@media(max-width:900px){
  .works{padding:110px 24px 16px}
  .steps{grid-template-columns:1fr;gap:16px}
  .step-media{height:200px}
}

@media(max-width:900px){
  .nav-links{display:none}
  .burger{display:flex}
  .grid-bg{grid-auto-rows:180px}
  .grid-bg i{border-radius:56px}
  .hero{padding-top:calc(var(--nav-h) + 64px);min-height:auto;padding-bottom:20px}
}
@media(max-width:640px){
  :root{--nav-h:64px}
  .nav{padding:0 18px}
  .brand-name{font-size:17px;letter-spacing:.14em}
  .brand-mark{width:28px;height:28px}
  .cta-nav{display:none}                 /* the menu carries it on phones */

  .hero{padding:calc(var(--nav-h) + 40px) 20px 10px}
  .grid-bg{inset:-160px -20px 0;padding:0 10px;grid-auto-rows:150px}
  .grid-bg i{border-radius:44px}
  .app-icon{width:60px;height:60px;border-radius:18px;margin-bottom:20px}

  /* the clamp bottomed out at 40px, which forced the two fixed lines to wrap
     into four on a 375px screen — this is the size that actually fits */
  h1{font-size:clamp(29px,8.6vw,42px);line-height:1.1;letter-spacing:-.028em}

  .tagline{font-size:17px;margin-top:16px}
  .actions{flex-direction:column;align-items:stretch;gap:11px;padding:0;margin-top:28px}
  .btn{padding:16px 24px;font-size:15.5px}

  .panel-wrap{margin-top:46px;padding:0}
  .panel{min-height:0;border-radius:12px;aspect-ratio:1/1}   /* the screenshot is portrait */
  .hero::before{height:420px}
  .hero::after{height:130px}
}
@media(max-width:640px){
  /* headings and section rhythm */
  .convo-head h2,.works-head h2,.proof-head h2,.open h2{font-size:29px;letter-spacing:-.028em}
  .convo-head p,.works-head p,.proof-head p,.open > p{font-size:15px;margin-top:13px}
  .convo{padding:88px 18px 24px}
  .works{padding:88px 18px 14px}
  .proof{padding:88px 18px 16px}
  .open{padding:88px 20px 76px}
  .convo-head,.works-head,.proof-head{margin-bottom:34px}

  /* answer panel */
  .qtabs{gap:8px;margin-bottom:20px}
  .chat-stage{max-width:100%}
  .fig .v{font-size:20px}
  .holds .a{font-size:15px}
  .prose{font-size:15px}

  /* how it works */
  .steps{gap:14px}
  .step-media{height:190px}
  .step h3{font-size:21px}

  /* flow diagram */
  .proof-grid{gap:44px}
  .node{padding:13px 15px}
  .node .body{font-size:14.5px}
  .fork{height:38px}
  .branch{gap:12px}
  .notes{gap:28px}
  .note{padding-left:16px}
  .note p{font-size:14.5px}

  /* built in the open */
  .open-cta{flex-direction:column;gap:16px}
  .open-primary{width:100%;text-align:center}
  .footer-mark{font-size:clamp(64px,22vw,120px)}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- FOOTER ---------- */
.footer{
  position:relative;z-index:2;
  margin-top:40px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
}
.footer-top{
  max-width:1120px;margin:0 auto;
  padding:54px 24px 40px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
}
.footer .brand{margin-bottom:16px}
.footer .brand-name{font-size:16px;letter-spacing:.16em}
.footer .brand-mark{width:26px;height:26px}
.footer-copy{font-size:13.5px;line-height:1.7;color:#4f4f4f;max-width:34ch}

.footer-col h4{
  font-size:14.5px;font-weight:600;color:#e8e8e8;letter-spacing:-.008em;
  margin-bottom:18px;
}
.footer-col a{
  display:block;width:fit-content;margin-bottom:13px;
  font-size:14px;font-weight:400;color:#7b7b7b;letter-spacing:-.005em;
  transition:color .18s ease;
}
.footer-col a:hover{color:#e6e6e6}

/* oversized wordmark, cropped by the page edge */
.footer-mark{
  display:block;width:100%;
  margin-bottom:-.2em;
  font-size:clamp(76px,17.5vw,250px);
  font-weight:700;letter-spacing:-.045em;line-height:.78;
  text-align:center;
  color:transparent;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.008));
  -webkit-background-clip:text;background-clip:text;
  user-select:none;pointer-events:none;
}

@media(max-width:760px){
  .footer-top{grid-template-columns:repeat(3,1fr);gap:30px;padding:44px 24px 32px}
  .footer .brand,.footer-copy{grid-column:1 / -1}
}
@media(max-width:560px){
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;padding:38px 20px 28px}
  .footer-copy{font-size:13px}
  .footer-col h4{margin-bottom:14px}
  .footer-col a{margin-bottom:11px}
}