:root{
  --bg:#FFFFFF; --surface:#F8FAFC; --surface-2:#F1F5F9; --primary:#0F172A; --secondary:#334155;
  --accent:#2563EB; --ink:#0F172A; --muted:#64748B; --line:#E5E9F0;
  --font-head:"Syne",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --radius:14px; --maxw:1200px;
  --on-grad:#ffffff; --glow:rgba(37,99,235,.30);
  --grad:linear-gradient(135deg,var(--primary),var(--accent));
  --grad-soft:linear-gradient(135deg,rgba(37,99,235,.10),rgba(15,23,42,.04));
  --body-2:#334155;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(58vw 48vh at 10% -8%,rgba(37,99,235,.10),transparent 60%),
    radial-gradient(52vw 42vh at 100% 0,rgba(15,23,42,.05),transparent 55%),
    radial-gradient(48vw 48vh at 72% 112%,rgba(14,165,233,.07),transparent 60%);
  animation:bg-drift 28s ease-in-out infinite alternate}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(40vw 44vh at 88% 18%,rgba(37,99,235,.06),transparent 62%);
  animation:bg-drift2 34s ease-in-out infinite alternate}
@keyframes bg-drift{to{transform:translate3d(-2.5%,2%,0) scale(1.07)}}
@keyframes bg-drift2{to{transform:translate3d(3%,-3%,0) scale(1.10)}}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.13;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.3rem,5.5vw,4rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem)}
h3{font-size:1.2rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{color:var(--muted)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);
  font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.section{padding:96px 0}
.section-head{max-width:640px;margin-bottom:48px}
.section-head p{margin-top:14px;font-size:1.05rem}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-head);font-weight:600;
  font-size:.98rem;padding:14px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s}
.btn-primary{background:var(--grad);color:var(--on-grad);box-shadow:0 12px 30px -10px var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -10px var(--glow)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px}

.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(255,255,255,.78);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--font-head);font-weight:700;font-size:1.22rem}
.logo img{width:34px;height:34px;border-radius:9px}
.nav-links{display:flex;align-items:center;gap:34px;list-style:none}
.nav-links a{font-size:.95rem;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{padding:10px 20px;color:var(--on-grad)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;cursor:pointer;color:var(--ink);font-size:1.3rem}

.hero{padding:72px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:22px 0 20px}
.hero p.lead{font-size:1.15rem;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 26px}
.platforms{display:flex;gap:10px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;color:var(--muted);
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:24px;border:1px solid var(--line);
  box-shadow:0 40px 80px -36px rgba(15,23,42,.30)}

.puzzle-card{position:absolute;bottom:-26px;right:-14px;background:#fff;
  border:1px solid var(--line);border-radius:18px;padding:16px;width:236px;
  box-shadow:0 30px 60px -24px rgba(15,23,42,.28)}
.puzzle-card h4{font-size:.82rem;color:var(--muted);font-weight:500;margin-bottom:11px;
  display:flex;justify-content:space-between;align-items:center}
.puzzle{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.puzzle button{aspect-ratio:1;border:none;border-radius:11px;background:var(--grad);
  color:var(--on-grad);font-family:var(--font-head);font-weight:700;font-size:1.15rem;cursor:pointer;
  transition:transform .15s,filter .15s}
.puzzle button:hover{filter:brightness(1.08)}
.puzzle button.empty{background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);cursor:default}
.puzzle-win{font-size:.8rem;color:var(--primary);font-weight:600;text-align:center;margin-top:10px;min-height:1.1em}
.link-btn{background:none;border:none;color:var(--primary);font-size:.78rem;cursor:pointer;font-family:var(--font-head);font-weight:600}

.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;margin-top:48px}
.metric .v{font-family:var(--font-head);font-weight:700;font-size:clamp(1.8rem,3vw,2.5rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .l{color:var(--muted);font-size:.92rem;margin-top:4px}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.chip{font-family:var(--font-head);font-size:.88rem;font-weight:500;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer;transition:.2s}
.chip:hover{color:var(--ink)}
.chip.active{background:var(--grad);color:var(--on-grad);border-color:transparent}
.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.game{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;
  transition:transform .3s,border-color .3s,box-shadow .3s}
.game:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:0 24px 50px -28px var(--glow)}
.game-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.game-top img{width:62px;height:62px;border-radius:15px;border:1px solid var(--line)}
.game-title{font-family:var(--font-head);font-weight:700;font-size:1.12rem}
.game-genre{font-size:.78rem;color:var(--primary);font-weight:600;font-family:var(--font-head)}
.rating{margin-left:auto;font-family:var(--font-head);font-weight:700;font-size:.95rem;color:var(--ink)}
.rating span{color:#D97706}
.game p{font-size:.92rem;margin-bottom:16px}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:.74rem;color:var(--muted);padding:5px 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}

.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.gallery img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px;font-size:.84rem;font-weight:500;
  background:linear-gradient(transparent,rgba(15,23,42,.78));color:#fff}

.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.step .num{font-family:var(--font-head);font-weight:700;font-size:1.6rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{margin:10px 0 8px}
.step p{font-size:.92rem}

.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:30px}
.mission-card{padding:32px;border-radius:20px;border:1px solid var(--line);background:var(--grad-soft)}
.mission-card h3{font-size:1.35rem;margin-bottom:12px}
.mission-card p{color:var(--body-2)}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.value h4{font-family:var(--font-head);font-size:1rem;margin-bottom:7px}
.value p{font-size:.88rem}

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{text-align:center}
.member img{width:118px;height:118px;border-radius:50%;margin:0 auto 16px;object-fit:cover;
  border:2px solid var(--line);background:var(--surface-2)}
.member .name{font-family:var(--font-head);font-weight:700}
.member .role{color:var(--accent);font-weight:500;font-size:.85rem;font-family:var(--font-head)}

.form-wrap{background:var(--surface);border:1px solid var(--line);border-radius:24px;
  padding:clamp(28px,4vw,52px);display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-wrap .intro h2{margin-bottom:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;margin-bottom:7px;font-family:var(--font-head);font-weight:500}
.field input,.field textarea{width:100%;padding:13px 15px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;transition:border .2s,box-shadow .2s}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.16)}
.field .err{display:none;color:#DC2626;font-size:.8rem;margin-top:5px}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid textarea{border-color:#DC2626}
.form-note{font-size:.8rem;color:var(--muted);margin-top:6px}
.form-ok{display:none;color:var(--primary);font-weight:600;font-family:var(--font-head);margin-top:14px}
.form-ok.show{display:block}

.footer{border-top:1px solid var(--line);padding:56px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer h4{font-family:var(--font-head);font-size:.95rem;margin-bottom:16px;color:var(--ink)}
.footer ul{list-style:none}
.footer li{margin-bottom:9px}
.footer a,.footer p{color:var(--muted);font-size:.92rem}
.footer a:hover{color:var(--ink)}
.footer-brand p{margin-top:14px;max-width:320px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}

.page-hero{padding:72px 0 24px}
.page-hero h1{margin-top:18px}
.prose{max-width:720px}
.prose h2{margin:36px 0 14px}
.prose p{margin-bottom:14px;color:var(--body-2)}
.prose ul{margin:0 0 14px 20px;color:var(--body-2)}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:920px){
  .hero-grid,.mission-grid,.form-wrap{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr);gap:28px}
  .games-grid,.gallery-grid,.process-grid,.values{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-visual{margin-top:20px}
  .puzzle-card{position:static;width:100%;margin-top:18px}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s}
  .nav-links.open{max-height:360px}
  .nav-links li{width:100%;border-top:1px solid var(--line)}
  .nav-links a{display:block;padding:16px 24px}
  .nav-links .nav-cta{margin:16px 24px;text-align:center}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .games-grid,.gallery-grid,.process-grid,.values,.team-grid,.footer-grid{grid-template-columns:1fr}
  .section{padding:68px 0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}


/* model comparison table (signature) */
.cmp{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.cmp-table{width:100%;border-collapse:collapse;min-width:720px;font-size:.92rem}
.cmp-table th,.cmp-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table thead th{font-family:var(--font-head);font-weight:700;color:var(--muted);
  font-size:.74rem;text-transform:uppercase;letter-spacing:.05em}
.cmp-table tbody tr{transition:background .25s}
.cmp-table tr.hl{background:var(--grad-soft)}
.cmp-name{font-family:var(--font-head);font-weight:700;color:var(--ink)}
.cmp-best{display:block;font-size:.8rem;color:var(--muted);font-weight:400;margin-top:3px;max-width:200px}
.dots{letter-spacing:3px;color:var(--accent);font-size:.9rem;white-space:nowrap}
.dots .off{color:var(--line)}
.tier-tag{display:inline-block;font-size:.66rem;font-family:var(--font-head);font-weight:700;color:#fff;
  background:var(--grad);padding:3px 9px;border-radius:6px;margin-left:8px;vertical-align:middle}
.cmp-pick{margin-top:20px;padding:15px 18px;border:1px solid var(--line);border-radius:12px;
  background:var(--grad-soft);font-size:.96rem;color:var(--ink)}
.cmp-pick b{color:var(--accent)}

/* use cases */
.uc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.uc{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--surface);
  transition:transform .3s,border-color .3s}
.uc:hover{transform:translateY(-4px);border-color:var(--accent)}
.uc h4{font-family:var(--font-head);font-size:1.02rem;margin-bottom:8px;color:var(--ink)}
.uc p{font-size:.9rem}
@media(max-width:920px){.uc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.uc-grid{grid-template-columns:1fr}}

/* hero trust chips — variants picked per build by seed (data-variant) */
.platforms[data-variant="tick"]{gap:20px}
.platforms[data-variant="tick"] .pill{background:none;border:none;padding:0;color:var(--ink);font-weight:500}
.platforms[data-variant="tick"] .pill::before{content:"\2713";width:auto;height:auto;border-radius:0;background:none;color:var(--accent);font-weight:800;margin-right:3px}
.platforms[data-variant="bar"]{gap:22px}
.platforms[data-variant="bar"] .pill{background:none;border:none;border-left:2px solid var(--accent);border-radius:0;padding:3px 0 3px 11px;color:var(--ink);font-weight:500}
.platforms[data-variant="bar"] .pill::before{display:none}
.platforms[data-variant="solid"] .pill{background:var(--grad-soft);border-color:transparent;color:var(--ink)}
.platforms[data-variant="plain"]{gap:0;align-items:center}
.platforms[data-variant="plain"] .pill{background:none;border:none;padding:0;color:var(--muted)}
.platforms[data-variant="plain"] .pill::before{display:none}
.platforms[data-variant="plain"] .pill:not(:last-child)::after{content:"/";margin:0 12px;color:var(--line)}


/* animated hero visual (replaces raster image) */
.hero-anim{width:100%;aspect-ratio:4/3;display:block;border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(140deg,var(--surface),var(--bg));box-shadow:0 40px 80px -40px rgba(15,23,42,.18)}