/* QSTAR AI — dark tech theme. No build step. System + Inter (Google Fonts CDN). */
:root{
  --bg:#070a12;
  --bg2:#0b101c;
  --card:#0e1524;
  --card2:#111a2e;
  --line:rgba(255,255,255,.09);
  --ink:#f2f5fa;
  --muted:#9aa6bb;
  --dim:#6b7690;
  --accent:#67e8f9;
  --accent2:#a78bfa;
  --grad:linear-gradient(120deg,#67e8f9,#a78bfa);
  --radius:18px;
  --max:1120px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,10,18,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;letter-spacing:.08em;color:var(--ink);font-size:1.05rem}
.brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--muted);font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-cta{border:1px solid var(--line);padding:8px 18px;border-radius:999px;color:var(--ink)!important}
.nav-cta:hover{border-color:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:1.2rem;padding:6px 12px;cursor:pointer}
@media(max-width:760px){
  .nav-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:8px 24px 16px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;width:100%}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:110px 0 90px}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none}
.blob.b1{width:480px;height:480px;background:#155e75;top:-160px;left:-120px;animation:drift 18s ease-in-out infinite alternate}
.blob.b2{width:520px;height:520px;background:#4c1d95;bottom:-220px;right:-140px;animation:drift 22s ease-in-out infinite alternate-reverse}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(60px,40px) scale(1.12)}}
.hero-inner{position:relative;text-align:center;max-width:820px;margin:0 auto}
.eyebrow{
  display:inline-block;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(103,232,249,.35);border-radius:999px;
  padding:7px 18px;margin-bottom:26px;background:rgba(103,232,249,.06);
}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.6rem);line-height:1.15;margin:0 0 20px;font-weight:800;letter-spacing:-.02em}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--muted);font-size:1.12rem;max-width:640px;margin:0 auto 36px}
.btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:14px 30px;border-radius:999px;font-weight:600;font-size:1rem;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;cursor:pointer;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#06121a;box-shadow:0 8px 30px rgba(103,232,249,.25)}
.btn-primary:hover{box-shadow:0 12px 38px rgba(167,139,250,.35)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--accent)}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin:0 auto 48px;text-align:center}
.sec-head h1,.sec-head h2{font-size:clamp(1.6rem,3.4vw,2.4rem);margin:0 0 12px;letter-spacing:-.01em}
.sec-head p{color:var(--muted);margin:0}
.kicker{color:var(--accent);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:760px){.cards{grid-template-columns:1fr}}
.card{
  background:linear-gradient(180deg,var(--card2),var(--card));
  border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);border-color:rgba(103,232,249,.45);box-shadow:0 18px 50px rgba(0,0,0,.45)}
.card h3{margin:0 0 10px;font-size:1.35rem;letter-spacing:-.01em}
.card p{color:var(--muted);margin:0 0 16px;font-size:.98rem}
.card .more{font-weight:600;font-size:.95rem}
.badge{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.badge.flagship{background:var(--grad);color:#06121a}
.badge.dev{background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.35)}
.badge.demo{background:rgba(103,232,249,.1);color:var(--accent);border:1px solid rgba(103,232,249,.35)}
.badge.live{background:rgba(52,211,153,.12);color:#34d399;border:1px solid rgba(52,211,153,.35)}
.card ul{margin:0 0 18px;padding-left:20px;color:var(--muted);font-size:.94rem}
.card ul li{margin-bottom:6px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;position:relative;
}
.step .num{
  font-size:2.2rem;font-weight:800;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;
}
.step h3{margin:14px 0 8px;font-size:1.08rem}
.step p{color:var(--muted);font-size:.93rem;margin:0}

/* ---------- built-on ---------- */
.built{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:760px){.built{grid-template-columns:1fr}}
.built-item{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  background:rgba(255,255,255,.02);text-align:center;
}
.built-item .icon{font-size:1.6rem}
.built-item h3{margin:12px 0 8px;font-size:1.05rem}
.built-item p{color:var(--muted);font-size:.92rem;margin:0}

/* ---------- media slots (products page) ---------- */
.media-slot{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0e2a3a 0%,#1c1440 55%,#3b1163 100%);
}
.media-slot.wide-tall{aspect-ratio:4/3}
.media-label{
  text-align:center;color:rgba(255,255,255,.85);font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;font-size:.9rem;padding:0 20px;
}
.media-label small{display:block;margin-top:8px;font-weight:400;letter-spacing:.06em;text-transform:none;color:rgba(255,255,255,.55);font-size:.8rem}
.media-slot video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;
}
.media-slot video.media-missing{display:none}
.product-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:90px}
.product-block:last-child{margin-bottom:0}
.product-block.rev .media-slot{order:2}
@media(max-width:860px){.product-block{grid-template-columns:1fr}.product-block.rev .media-slot{order:0}}
.product-block h2{margin:0 0 8px;font-size:1.8rem;letter-spacing:-.01em}
.product-block .tag{color:var(--muted);font-size:.95rem;margin:0 0 18px}
.product-block p{color:var(--muted)}
.product-block ul{color:var(--muted);padding-left:20px;font-size:.95rem}
.product-block ul li{margin-bottom:6px}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:860px;margin:0 auto}
@media(max-width:700px){.plans{grid-template-columns:1fr}}
.plan{
  background:linear-gradient(180deg,var(--card2),var(--card));
  border:1px solid var(--line);border-radius:var(--radius);padding:36px 32px;text-align:center;
  transition:transform .25s ease,border-color .25s ease;
}
.plan:hover{transform:translateY(-6px);border-color:rgba(103,232,249,.45)}
.plan h3{margin:0 0 6px;font-size:1.4rem}
.plan .price{font-size:2.4rem;font-weight:800;margin:14px 0 4px}
.plan .price small{font-size:1rem;font-weight:500;color:var(--muted)}
.plan .desc{color:var(--muted);font-size:.95rem;margin:0 0 26px}
.beta-card{
  max-width:860px;margin:26px auto 0;border:1px dashed rgba(103,232,249,.4);
  border-radius:var(--radius);padding:30px;text-align:center;background:rgba(103,232,249,.04);
}
.beta-card h3{margin:0 0 8px}
.beta-card p{color:var(--muted);margin:0 0 20px}
.fineprint{color:var(--dim);font-size:.85rem;text-align:center;margin-top:28px}

/* ---------- about / legal ---------- */
.prose{max-width:760px;margin:0 auto}
.prose h1{font-size:2.2rem;letter-spacing:-.01em;margin:0 0 20px}
.prose h2{font-size:1.35rem;margin:38px 0 12px}
.prose p,.prose li{color:var(--muted)}
.legal-shell{border:1px dashed var(--line);border-radius:var(--radius);padding:32px;color:var(--dim)}

/* ---------- contact ---------- */
.contact-box{
  border:1px solid var(--line);border-radius:var(--radius);padding:48px 32px;text-align:center;
  background:linear-gradient(180deg,rgba(103,232,249,.06),rgba(167,139,250,.06));
  max-width:720px;margin:0 auto;
}
.contact-box h2{margin:0 0 12px}
.contact-box p{color:var(--muted);margin:0 0 26px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:48px 0 40px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;margin-bottom:32px}
@media(max-width:700px){.foot-grid{grid-template-columns:1fr}}
.foot-legal{color:var(--dim);font-size:.83rem;line-height:1.8}
.foot-links{display:flex;gap:24px;flex-wrap:wrap;align-content:flex-start;justify-content:flex-end}
@media(max-width:700px){.foot-links{justify-content:flex-start}}
.foot-links a{color:var(--muted);font-size:.9rem}
.foot-bottom{border-top:1px solid var(--line);padding-top:20px;color:var(--dim);font-size:.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- reveal ---------- */
/* visible by default; hidden only when JS has opted in (html.js-reveal) and the block is below the fold */
.js-reveal .reveal.pending{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js-reveal .reveal.pending.visible{opacity:1;transform:none}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .blob{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .card:hover,.plan:hover,.btn:hover{transform:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ---------- legal body components ---------- */
.card .more + .more{display:block;margin-top:6px}
.legal-effective{color:var(--dim);font-size:.9rem;margin:-8px 0 28px}
.legal-body strong{color:var(--ink)}
.legal-body dt{color:var(--ink);font-weight:600}
.legal-steps{padding-left:1.3em}
.legal-steps li{margin-bottom:6px}
.refund-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 24px}
@media(max-width:700px){.refund-grid{grid-template-columns:1fr}}
.refund-card{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:var(--card)}
.refund-card p{margin:0}
.refund-stage{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)!important}
.refund-verdict{font-weight:700;font-size:1.15rem;margin:6px 0 8px!important}
.refund-yes .refund-verdict{color:#34d399!important}
.refund-no .refund-verdict{color:#fbbf24!important}
.refund-card .draft-default{font-size:.9rem}
.company-info{margin-top:40px;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;background:linear-gradient(180deg,var(--card2),var(--card))}
.company-info-kicker{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)!important;margin:0 0 6px}
.company-info-name{font-weight:800;color:var(--ink)!important;font-size:1.15rem;margin:0 0 14px}
.company-info-list{margin:0 0 16px}
.company-info-list div{display:grid;grid-template-columns:160px 1fr;gap:12px;padding:6px 0;border-top:1px solid var(--line)}
@media(max-width:560px){.company-info-list div{grid-template-columns:1fr;gap:2px}}
.company-info-list dd{margin:0;color:var(--muted)}
.company-info-links{display:flex;gap:18px;flex-wrap:wrap;margin:0}
.plan h3 span{white-space:nowrap}

/* ---------- v3 components ---------- */
.badge.beta{background:rgba(167,139,250,.12);color:var(--accent2);border:1px solid rgba(167,139,250,.35)}
.cards-feature{grid-template-columns:repeat(3,1fr)}
.cards-feature .card-lg{grid-column:1 / -1;background:linear-gradient(135deg,rgba(103,232,249,.08),rgba(167,139,250,.08)),linear-gradient(180deg,var(--card2),var(--card))}
.cards-feature .card-lg h3{font-size:1.6rem}
.cards-feature .card-lg p{max-width:760px}
@media(max-width:900px){.cards-feature{grid-template-columns:1fr}}
.center-link{text-align:center;margin-top:32px}
.media-wrap{margin:0}
.media-slot{aspect-ratio:auto;min-height:260px}
.media-slot.has-video{aspect-ratio:16/9;min-height:0}
.media-caption{color:var(--dim);font-size:.85rem;margin:10px 4px 0}
.flow-panel{width:100%;padding:28px 30px}
.flow-title{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:16px}
.flow{list-style:none;margin:0;padding:0;counter-reset:f}
.flow li{counter-increment:f;position:relative;padding:9px 0 9px 44px;color:var(--ink);font-weight:500;border-left:1px dashed rgba(255,255,255,.18);margin-left:14px}
.flow li::before{content:counter(f);position:absolute;left:-15px;top:6px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:700;color:#06121a;background:var(--grad)}
.flow li:last-child{border-left-color:transparent}
.case{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:14px 18px;margin:18px 0;background:rgba(103,232,249,.04)}
.case p{margin:0;color:var(--muted)}
.case-kicker{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:6px}
.stage-note{color:var(--dim);font-size:.92rem}
.modules{list-style:none;padding:0}
.modules li{padding:10px 0;border-top:1px solid var(--line)}
.modules .badge{margin:0 0 0 8px;vertical-align:middle;font-size:.62rem}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.tech-grid{grid-template-columns:1fr}}
.tech-item{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:linear-gradient(180deg,var(--card2),var(--card));transition:transform .25s ease,border-color .25s ease}
.tech-item:hover{transform:translateY(-4px);border-color:rgba(103,232,249,.35)}
.tech-item .num{font-weight:800;font-size:1.6rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tech-item p{color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.gates{width:100%;border-collapse:collapse;min-width:520px}
.gates th,.gates td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
.gates th{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.gates td{color:var(--muted)}
.gates td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.gates tr:last-child td{border-bottom:0}
.plan-kicker{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:6px}
.plan-sub{color:var(--dim);font-weight:500;font-size:1rem;white-space:nowrap}
@media (prefers-reduced-motion:reduce){.tech-item:hover{transform:none}}
@media(max-width:600px){
  .gates{min-width:0}
  .gates thead{display:none}
  .gates tr{display:block;padding:14px 18px;border-bottom:1px solid var(--line)}
  .gates tr:last-child{border-bottom:0}
  .gates td{display:block;border:0;padding:2px 0;white-space:normal!important}
}

/* ---------- v3.1 ---------- */
.badge.early{background:rgba(251,191,36,.10);color:#fcd34d;border:1px solid rgba(251,191,36,.35)}
.notice{display:inline-block;margin:0 0 22px;padding:8px 16px;border-radius:999px;border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.08);color:#fcd34d;font-size:.9rem;font-weight:600}
.sec-head + .notice,.section .wrap > .notice{display:table;margin-left:auto;margin-right:auto}
.prose > .notice{display:inline-block;margin-left:0}
.case.roadmap{border-left-color:var(--accent2);background:rgba(167,139,250,.05)}
.case.roadmap .case-kicker{color:var(--accent2)}
.case ul{margin:10px 0;padding-left:1.2em}
.case ul li{color:var(--muted)}
.case p + p{margin-top:8px}
.track{max-width:760px;margin:0 auto;display:grid;gap:18px}
.track + .prose{margin-top:20px}
.reg-form,.reg-done{max-width:620px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:linear-gradient(180deg,var(--card2),var(--card))}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.field .opt{color:var(--dim);font-weight:400}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);background:#0a0f1a;color:var(--ink);font:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(103,232,249,.35);border-color:var(--accent)}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-note{color:var(--dim);font-size:.85rem}
.form-error{color:#fca5a5;margin:14px 0 0}
.reg-done h3{margin-top:0}
.reg-done p{color:var(--muted)}
.person{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:var(--card);margin:6px 0 10px}
.person-name{font-weight:700;font-size:1.1rem}
.person-role{color:var(--accent);font-size:.9rem;font-weight:600;margin-bottom:6px}
.person p{margin:0}
.person-mail{margin-top:6px!important;font-size:.92rem}