/* QTT OS website — cinematic night: one warm beam of light on deep blue-black; type does the talking.
   Single dark theme by choice (a stage); every colour is a token. */
:root{
  --night:#07080d; --night2:#0c0f17; --panel:#11151f; --ink:#eef0f5; --muted:#a2abbd; --dim:#6f7890;
  --line:rgba(238,240,245,.10); --beam:#ffbe5c; --beam-soft:rgba(255,190,92,.16); --cool:#7fb2ff;
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif; --body:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--ink);font:17px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--beam);outline-offset:3px;border-radius:4px}
.wrap{width:min(1180px,100%);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;line-height:1.04;letter-spacing:-.02em}
h1{font-size:clamp(42px,7.4vw,96px);font-weight:800}
h2{font-size:clamp(30px,4.4vw,56px);font-weight:800}
h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
em{font-style:normal;color:var(--beam)}
p{margin:0}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--muted);max-width:62ch}
.eyebrow{font:600 13px var(--body);letter-spacing:.18em;text-transform:uppercase;color:var(--beam)}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 26px;border-radius:999px;background:var(--beam);color:#1a1205;font:600 16px var(--body);
  text-decoration:none;box-shadow:0 10px 40px rgba(255,190,92,.25);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 50px rgba(255,190,92,.38)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.small{padding:10px 18px;font-size:14px}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:rgba(7,8,13,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.bar{display:flex;align-items:center;gap:16px;width:min(1180px,100%);margin:0 auto;padding:12px max(20px,env(safe-area-inset-right,0px)) 12px max(20px,env(safe-area-inset-left,0px))}
.brand{display:inline-flex;align-items:baseline;gap:6px;text-decoration:none;font:800 22px var(--display);letter-spacing:-.02em}
.brand .mark{color:var(--beam)}
.menu{margin-left:auto;position:relative}
.menu summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;gap:6px;padding:10px 6px}
.menu summary::-webkit-details-marker{display:none}
.menu summary span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}
.menu nav{position:absolute;right:0;top:calc(100% + 12px);display:grid;grid-template-columns:repeat(3,minmax(170px,1fr));gap:24px;background:var(--panel);
  border:1px solid var(--line);border-radius:16px;padding:22px 26px;box-shadow:0 30px 80px rgba(0,0,0,.5);width:max-content;max-width:calc(100vw - 40px)}
.menu nav p{font:600 12px var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.menu ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.menu a{text-decoration:none;color:var(--ink)}
.menu a:hover{color:var(--beam)}

/* hero — the opening shot */
.hero{position:relative;min-height:min(100svh,980px);display:flex;align-items:center;overflow:hidden;isolation:isolate;padding:80px 0 120px}
.dust{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.beam{position:absolute;inset:-40% -20% auto auto;width:120%;height:180%;z-index:-2;pointer-events:none;
  background:conic-gradient(from 200deg at 78% 0%,transparent 0deg,var(--beam-soft) 14deg,rgba(255,190,92,.05) 26deg,transparent 40deg);
  filter:blur(6px);transform-origin:78% 0%;animation:sweep 14s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,var(--night));z-index:-1}
@keyframes sweep{from{transform:rotate(-4deg)}to{transform:rotate(5deg)}}
.herobox{position:relative}
.verbs{display:flex;flex-wrap:wrap;gap:6px 22px;font:700 clamp(18px,2.4vw,26px) var(--display);color:var(--dim);margin-bottom:26px}
.verbs .v{opacity:.35;animation:light 1.1s ease forwards;animation-delay:calc(var(--i) * .55s + .3s)}
@keyframes light{0%{opacity:.15;color:var(--dim)}45%{opacity:1;color:var(--beam);text-shadow:0 0 30px rgba(255,190,92,.6)}100%{opacity:.75;color:var(--ink);text-shadow:none}}
.hero h1{max-width:13ch;opacity:0;transform:translateY(24px);animation:rise 1.1s cubic-bezier(.2,.7,.2,1) 2.6s forwards}
.hero h1 .kick{display:block;font-size:.26em;letter-spacing:.3em;color:var(--muted);margin-bottom:.5em;font-weight:700}
.hero .lede,.hero .acts{opacity:0;animation:rise 1s ease 3.1s forwards}
.hero .lede{margin-top:26px}
@keyframes rise{to{opacity:1;transform:none}}
.scroll{position:absolute;left:50%;bottom:34px;width:26px;height:42px;border:1.5px solid var(--line);border-radius:14px;transform:translateX(-50%)}
.scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:2px;background:var(--beam);transform:translateX(-50%);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,14px)}}

/* chapters — one app per scene */
.chapter{position:relative;overflow:hidden;padding:140px 0;border-top:1px solid var(--line)}
.ghost-word{position:absolute;top:50%;left:0;white-space:nowrap;font:800 clamp(120px,22vw,320px)/1 var(--display);letter-spacing:-.04em;color:transparent;
  -webkit-text-stroke:1.5px rgba(238,240,245,.07);transform:translate(var(--gx,0),-50%);pointer-events:none;z-index:0}
.chgrid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:center}
.chapter:nth-child(even) .chgrid{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
.chapter:nth-child(even) .art{order:2}
.chapter h2{margin:14px 0 18px}
.art{aspect-ratio:1;display:grid;grid-template:minmax(0,1fr)/minmax(0,1fr);place-items:center;border-radius:28px;background:radial-gradient(circle at 50% 40%,rgba(255,190,92,.14),transparent 62%),var(--night2);
  border:1px solid var(--line);color:var(--beam)}
.art .ico{width:46%;height:46%}
.ico{width:40px;height:40px;color:var(--beam)}
.ico.draw .base{opacity:.3}
.ico.draw .line path,.ico.draw .line circle,.ico.draw .line rect{stroke-dasharray:400;stroke-dashoffset:0}
.ticks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:28px;color:var(--ink)}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:14px;height:2px;background:var(--beam)}
.more{display:inline-block;margin-top:28px;font-weight:600;text-decoration:none;border-bottom:1.5px solid var(--beam);padding-bottom:2px}

/* done-for-you band */
.band{background:linear-gradient(180deg,var(--night),var(--night2) 30%,var(--night2));padding:120px 0;border-top:1px solid var(--line)}
.band h2{margin:14px 0 46px;max-width:18ch}
.svcs{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.svc{display:flex;flex-direction:column;gap:12px;padding:28px;border-radius:20px;background:var(--panel);border:1px solid var(--line);text-decoration:none;transition:border-color .2s,transform .2s}
.svc:hover{border-color:rgba(255,190,92,.5);transform:translateY(-3px)}
.svc p{color:var(--muted);font-size:15.5px}
.svc .from{margin-top:auto;color:var(--beam);font-weight:600}

.inds{padding-block:110px}
.inds h2{margin:14px 0 30px}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{padding:12px 20px;border-radius:999px;border:1px solid var(--line);text-decoration:none;font-weight:500;transition:background .2s,color .2s}
a.pill:hover{background:var(--beam);color:#1a1205}
.pill.static{color:var(--muted);font-size:15px;padding:9px 16px}

.faq{padding-block:40px 90px;max-width:860px}
.faq h2{margin-bottom:22px}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font:700 19px var(--display);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--beam);font-size:24px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin-top:10px;max-width:70ch}

.cta{text-align:center;padding:120px 20px 130px;position:relative}
.cta::before{content:"";position:absolute;left:50%;top:0;width:min(700px,90%);height:100%;transform:translateX(-50%);
  background:radial-gradient(ellipse at 50% 0%,rgba(255,190,92,.18),transparent 65%);pointer-events:none}
.cta h2{max-width:20ch;margin:0 auto}
.cta p{color:var(--muted);margin:18px auto 0;max-width:52ch}
.cta .acts{justify-content:center}

/* inner pages */
.phero{position:relative;overflow:hidden;padding:90px 0 80px;isolation:isolate;border-bottom:1px solid var(--line)}
.phero .beam{inset:-60% -30% auto auto;height:200%}
.crumbs{font-size:14px;color:var(--dim);margin-bottom:26px}
.crumbs a{color:var(--muted);text-decoration:none}
.phero h1{font-size:clamp(38px,5.6vw,72px);margin:14px 0 20px;max-width:16ch}
.phgrid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:56px;align-items:center}
.art.big{max-width:360px;justify-self:end;width:100%}
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;padding-top:80px;padding-bottom:40px}
.feat{padding:26px;border-radius:18px;background:var(--panel);border:1px solid var(--line)}
.feat h3{margin-bottom:10px}
.feat p{color:var(--muted);font-size:16px}
section.wrap > h2{margin:70px 0 26px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.plan{padding:26px;border-radius:18px;background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.plan .price b{font:800 34px var(--display);color:var(--ink)}
.plan .price{color:var(--muted)}
.plan .trial{color:var(--beam);font-size:14px;font-weight:600}
.plan ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:15.5px;display:grid;gap:6px}
.note{color:var(--dim);font-size:14px;margin-top:14px}
.addh{margin:34px 0 0}
.ask{color:var(--muted);max-width:62ch}
.fits{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.fit{position:relative;display:block;padding:26px 54px 26px 26px;border-radius:18px;background:var(--panel);border:1px solid var(--line);text-decoration:none;transition:border-color .2s}
.fit:hover{border-color:rgba(255,190,92,.5)}
.fit p{color:var(--muted);margin-top:8px;font-size:16px}
.fit span{position:absolute;right:24px;top:26px;color:var(--beam);font-size:22px}
.prices{display:grid;gap:26px;padding-top:70px}
.prow{padding:30px;border-radius:22px;background:var(--night2);border:1px solid var(--line)}
.phead{display:flex;gap:18px;align-items:flex-start;margin-bottom:22px}
.phead h2{font-size:clamp(24px,2.6vw,32px)}
.phead h2 a{text-decoration:none}
.phead p{color:var(--muted);margin-top:6px;max-width:70ch}

/* footer */
.foot{border-top:1px solid var(--line);padding:70px 0 calc(30px + env(safe-area-inset-bottom,0px));background:var(--night2)}
.fgrid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:40px}
.fbrand p,.fbrand address{color:var(--muted);font-size:15px;margin-top:14px;font-style:normal}
.fh{font:600 12px var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot ul a{text-decoration:none;color:var(--muted)}
.foot ul a:hover{color:var(--beam)}
.fine{color:var(--dim);font-size:13px;margin-top:50px}
.sel{user-select:all}

/* reveal on scroll — content is always fully visible; sections only glide into place, and the line drawings
   replay their stroke once they're reached (a renderer that never runs motion still shows everything) */
.js .reveal:not(.in){transform:translateY(34px)}
.js .reveal{transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.js .reveal.now{transition:none}
.js .reveal.in:not(.now) .ico.draw .line *{animation:draw 2.2s ease .2s both}
@keyframes draw{from{stroke-dashoffset:400}to{stroke-dashoffset:0}}

@media (max-width:900px){
  .chgrid,.chapter:nth-child(even) .chgrid,.phgrid{grid-template-columns:1fr;gap:34px}
  .chapter:nth-child(even) .art{order:0}
  .art{max-width:240px}
  .art.big{justify-self:start;max-width:200px}
  .fgrid{grid-template-columns:1fr 1fr}
  .menu nav{grid-template-columns:1fr;position:fixed;left:16px;right:16px;top:70px;width:auto}
  .chapter{padding:100px 0}
}
@media (max-width:520px){
  .fgrid{grid-template-columns:1fr}
  .top .btn.small{display:none}
  .hero{padding:50px 0 110px}
}
@media (prefers-reduced-motion:reduce){
  .beam,.verbs .v,.scroll span{animation:none}
  .hero h1,.hero .lede,.hero .acts{opacity:1;transform:none;animation:none}
  .verbs .v{opacity:.75;color:var(--ink)}
  .js .reveal,.js .reveal:not(.in){transform:none;transition:none}
  .js .reveal .ico.draw .line *{animation:none}
  html{scroll-behavior:auto}
}