/* Layout concept: "Signal orbit" — a night-indigo stage lit by the amber swoosh of the Infinitio O.
   Each studio is a stage with one live demo; scroll sections reveal how it works. */
:root{
  --ink:#0D0A26;        /* page ground */
  --night:#151140;      /* raised band */
  --panel:#1D1856;      /* cards & demo shells */
  --line:#332D7E;       /* hairlines */
  --indigo:#5B4CF0;     /* brand indigo, lifted for dark */
  --amber:#FFA62B;      /* swoosh orange — the one bold accent */
  --gold:#FFD34D;       /* swoosh yellow, used sparingly */
  --paper:#F4F2FF;      /* primary text */
  --mist:#B6B0E3;       /* secondary text */
  --ok:#3DDC97; --warn:#FFB547; --bad:#FF6B6B;
  --paper-bg:#F1EFFB; --paper-ink:#1A1550; --paper-mute:#57538A; --paper-line:#D9D5F2;
  --f-display:'Saira Condensed','Arial Narrow',sans-serif;
  --f-body:'Figtree','Mukta',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --f-deva:'Mukta','Noto Sans Devanagari',sans-serif;
  --r:18px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--f-body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.02;margin:0;text-wrap:balance;letter-spacing:.005em}
p{margin:0}
.deva{font-family:var(--f-deva)}
.mono{font-family:var(--f-mono)}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
section{padding-block:clamp(64px,10vw,128px)}
.eyebrow{font-family:var(--f-mono);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber)}
.lead{font-size:clamp(18px,2vw,21px);color:var(--mist);max-width:60ch}
.h-xl{font-size:clamp(40px,5.6vw,84px);text-transform:uppercase;overflow-wrap:break-word}
.h-l{font-size:clamp(38px,5.6vw,72px);text-transform:uppercase}
.h-m{font-size:clamp(28px,3.4vw,40px)}
.amber{color:var(--amber)}
.stack{display:flex;flex-direction:column;gap:20px}
.row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--ink) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.nav img{height:38px;width:auto}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{text-decoration:none;font-size:15px;color:var(--mist);padding:8px 12px;border-radius:999px}
.nav-links a:hover{color:var(--paper);background:var(--panel)}
.btn{display:inline-flex;align-items:center;gap:10px;font:600 16px var(--f-body);text-decoration:none;padding:13px 22px;border-radius:999px;border:1.5px solid var(--line);color:var(--paper);background:transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-1px);border-color:var(--mist)}
.btn.primary{background:var(--amber);border-color:var(--amber);color:#1A1030}
.btn.primary:hover{background:var(--gold);border-color:var(--gold)}
.btn.sm{padding:9px 16px;font-size:14px}
.chip{display:inline-flex;align-items:center;gap:8px;font:500 14px var(--f-body);padding:7px 14px;border-radius:999px;border:1px solid var(--line);color:var(--mist);background:var(--night)}
.chip.on{border-color:var(--amber);color:var(--paper);background:color-mix(in srgb,var(--amber) 14%,var(--night))}
button.chip{cursor:pointer}
.sample-tag{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mist);display:inline-flex;align-items:center;gap:8px}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--bad);box-shadow:0 0 0 0 var(--bad);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--bad) 70%,transparent)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}

/* orbit backdrop */
.orbit{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.orbit::before,.orbit::after{content:"";position:absolute;border-radius:50%;border:2px solid transparent}
.orbit::before{width:min(1100px,160vw);aspect-ratio:1;right:-28%;top:-40%;border-color:color-mix(in srgb,var(--indigo) 45%,transparent);border-right-color:var(--amber);border-bottom-color:color-mix(in srgb,var(--gold) 60%,transparent);transform:rotate(-24deg);animation:spin 60s linear infinite}
.orbit::after{width:min(760px,120vw);aspect-ratio:1;right:-12%;top:-18%;border-color:color-mix(in srgb,var(--line) 70%,transparent);border-left-color:color-mix(in srgb,var(--amber) 55%,transparent);animation:spin 90s linear infinite reverse}
@keyframes spin{to{transform:rotate(336deg)}}

/* hero */
.hero{position:relative;padding-block:clamp(56px,8vw,104px) clamp(48px,7vw,88px);overflow:hidden}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero-grid>*{min-width:0}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* demo shell */
.demo{background:linear-gradient(180deg,var(--panel),var(--night));border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:0 40px 100px -30px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.06);position:relative;min-width:0}
.demo-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.demo-title{font:600 15px var(--f-body);color:var(--paper)}
.ctrl-label{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mist);margin-bottom:8px}

/* facts */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.fact{padding:28px 20px;border-left:1px solid var(--line)}
.fact:first-child{border-left:none}
.fact b{display:block;font:700 clamp(40px,5vw,60px)/1 var(--f-display);color:var(--paper)}
.fact span{font-size:15px;color:var(--mist)}
@media (max-width:760px){.facts{grid-template-columns:1fr 1fr}.fact:nth-child(3){border-left:none}.fact:nth-child(n+3){border-top:1px solid var(--line)}}

/* scrolly */
.scrolly{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:start}
.scrolly>*{min-width:0}
.scrolly-stage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 96px)}
.step{padding:28px 0 28px 28px;border-left:2px solid var(--line);opacity:.45;transition:opacity .4s,border-color .4s;min-height:42vh;display:flex;flex-direction:column;justify-content:center;gap:12px}
.step.active{opacity:1;border-left-color:var(--amber)}
.step .num{font:500 13px var(--f-mono);letter-spacing:.16em;color:var(--amber)}
.step h3{font-size:clamp(26px,3vw,36px)}
.step p{color:var(--mist);max-width:46ch}
@media (max-width:900px){.scrolly{grid-template-columns:1fr}.scrolly-stage{position:relative;top:0}.step{min-height:auto;opacity:1}}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:900px){.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid3,.grid2{grid-template-columns:1fr}}
.card{background:var(--night);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card h3{font-size:26px}
.card p{color:var(--mist);font-size:16px}
.ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--amber) 14%,var(--panel));color:var(--amber)}
.ico svg{width:24px;height:24px}

/* paper band */
.paper{background:var(--paper-bg);color:var(--paper-ink)}
.paper .lead{color:var(--paper-mute)}
.paper .eyebrow{color:#B35F00}
.tbl-wrap{overflow-x:auto;border:1px solid var(--paper-line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--paper-line);white-space:nowrap}
th{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--paper-mute);background:#F7F6FD}
tr:last-child td{border-bottom:none}
.pill{display:inline-block;font:600 13px var(--f-body);padding:4px 12px;border-radius:999px;background:#ECE9FF;color:#3A2FB0}
.pill.full{background:#FFF1DD;color:#8A4A00}

/* contact / footer */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(24px,5vw,64px);align-items:start}
.contact-grid>*{min-width:0}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.cline{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.cline .k{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
.cline .v{font-size:19px;user-select:all;overflow-wrap:anywhere}
footer{border-top:1px solid var(--line);padding-block:32px;color:var(--mist);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}

/* studio switcher */
.switch{display:flex;gap:8px;overflow-x:auto;padding-block:14px;scrollbar-width:none}
.switch::-webkit-scrollbar{display:none}
.switch a{flex:none;text-decoration:none}

/* next studio */
.next{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:clamp(28px,4vw,44px);border:1px solid var(--line);border-radius:28px;background:radial-gradient(120% 140% at 100% 0%,color-mix(in srgb,var(--amber) 22%,transparent),transparent 55%),var(--night);text-decoration:none}
.next:hover{border-color:var(--amber)}

/* reveal: visible at rest; JS only hides what is below the fold, then reveals */
.rv{transition:opacity .7s ease,transform .7s ease}
.rv.pre{opacity:0;transform:translateY(24px)}

/* chat bubbles shared */
.bub{max-width:86%;padding:11px 15px;border-radius:18px;font-size:15.5px;line-height:1.45;animation:pop .35s ease both}
.bub small{display:block;font:500 11px var(--f-mono);letter-spacing:.12em;opacity:.7;margin-bottom:3px;text-transform:uppercase}
.bub.them{background:var(--panel);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:6px}
.bub.me{background:var(--amber);color:#1A1030;align-self:flex-end;border-bottom-right-radius:6px}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
.hide-sm{}
@media (max-width:640px){.hide-sm{display:none}.nav-links a:not(.btn){padding:8px 8px}}
.studio-hero h1{font-size:clamp(40px,5.8vw,84px);text-transform:uppercase;overflow-wrap:anywhere}
.kicker{font:600 clamp(18px,2vw,22px)/1.4 var(--f-body);color:var(--paper);max-width:52ch}
.stat-row{display:flex;gap:28px;flex-wrap:wrap}
.stat-row div b{display:block;font:700 clamp(28px,3.4vw,40px)/1.05 var(--f-display);color:var(--amber)}
.stat-row div{min-width:0;max-width:16ch}
.stat-row div span{font-size:14px;color:var(--mist)}
.vis{background:var(--ink);border:1px solid var(--line);border-radius:24px;padding:24px;min-height:360px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.fitlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:0;border-top:1px solid var(--line)}
.fitlist div{padding:22px 4px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px;padding-right:18px}
.fitlist b{font:700 24px var(--f-display);text-transform:uppercase}
.fitlist span{color:var(--mist);font-size:16px}
.scene{display:none}.scene.on{display:flex;flex-direction:column;gap:14px;animation:pop .4s ease both}

.usp-link{color:var(--gold)!important;font-weight:700;border:1px solid color-mix(in srgb,var(--gold) 50%,transparent)}
.chip.usp{border-color:color-mix(in srgb,var(--gold) 60%,var(--line));color:var(--gold)}
.chip.usp.on{color:var(--paper)}
.part360{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;margin-top:8px;padding:14px 20px;border-radius:18px;text-decoration:none;border:1px solid color-mix(in srgb,var(--gold) 45%,var(--line));background:linear-gradient(90deg,color-mix(in srgb,var(--amber) 16%,var(--night)),var(--night))}
.part360:hover{border-color:var(--gold)}
.part360 .b{font:800 22px var(--f-display);color:var(--gold);letter-spacing:.02em}
.part360 span{font-size:15px;color:var(--paper)}
.part360 .go{font-weight:600;color:var(--amber);white-space:nowrap}
@media (max-width:640px){.part360{grid-template-columns:1fr}}

.stage-hidden{display:none}
.inline-scene{display:flex;flex-direction:column;gap:14px;margin-top:14px;background:var(--ink);border:1px solid var(--line);border-radius:18px;padding:16px}
@media (max-width:900px){
  .year-stage{background:var(--night);padding:10px 0;flex-direction:row;align-items:baseline;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .year-stage .year{font-size:64px}
  .year-stage .year-cap{font-size:22px}
  .year-stage .rail{flex-basis:100%}
  #story .scrolly-stage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 68px);z-index:5}
}
@media (max-width:440px){.nav-links a:not(.btn):not(.usp-link){display:none}}