/* Singularity Inc. — marketing site
   Dark, immersive, 3D. Pure CSS + a little vanilla JS (app.js). */

:root{
  --bg:#06070e; --bg-2:#0a0c17;
  --ink:#eef1ff; --muted:rgba(228,233,255,.62); --faint:rgba(228,233,255,.42);
  --line:rgba(255,255,255,.10); --line-2:rgba(255,255,255,.16);
  --accent:#8aa2ff; --accent-2:#b78cff; --hot:#ff9d5c; --good:#4fe3a0;
  --glow:rgba(120,150,255,.55);
  --card:rgba(255,255,255,.045);
  --r:22px; --maxw:1180px;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,system-ui,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.55; overflow-x:clip;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(138,162,255,.35)}

/* ---------- ambient background ---------- */
.bg{position:fixed;inset:0;z-index:-2;overflow:hidden;
  background:
    radial-gradient(70% 45% at 50% -5%, rgba(120,150,255,.16), transparent 60%),
    radial-gradient(60% 40% at 88% 12%, rgba(183,140,255,.12), transparent 60%),
    radial-gradient(80% 60% at 50% 108%, rgba(120,150,255,.14), transparent 62%),
    linear-gradient(180deg,#080a13 0%,#06070e 55%,#040509 100%);}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.blob.a{width:620px;height:620px;left:-10%;top:-6%;background:radial-gradient(closest-side,#3f6bff88,transparent 70%);animation:drift1 22s ease-in-out infinite}
.blob.b{width:560px;height:560px;right:-8%;top:18%;background:radial-gradient(closest-side,#a86bff77,transparent 70%);animation:drift2 26s ease-in-out infinite}
.blob.c{width:680px;height:680px;left:20%;bottom:-14%;background:radial-gradient(closest-side,#2f7bf677,transparent 70%);animation:drift1 30s ease-in-out infinite reverse}
@keyframes drift1{50%{transform:translate(60px,40px) scale(1.08)}}
@keyframes drift2{50%{transform:translate(-50px,50px) scale(1.06)}}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;background-image:var(--grain);background-size:300px 300px}

.wrap{width:min(var(--maxw),92vw);margin-inline:auto}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:50;padding:16px 0;transition:padding .3s}
nav.scrolled{padding:10px 0}
.bar{display:flex;align-items:center;gap:14px;padding:12px 14px 12px 16px;border-radius:100px;position:relative}
.glass{background:var(--card);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(1.2);backdrop-filter:blur(16px) saturate(1.2);
  box-shadow:0 10px 40px -18px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.08)}
nav.scrolled .bar{background:rgba(10,12,22,.72)}
.bar .logo{display:flex;align-items:center;gap:12px}
.bar img.mark{width:34px;height:34px;border-radius:9px;box-shadow:0 4px 12px rgba(0,0,0,.5)}
.bar .name{font-weight:800;letter-spacing:-.01em;font-size:17px}
.bar .spacer{flex:1}
.bar .links-n{display:flex;gap:6px;align-items:center}
.bar .links-n a{padding:9px 14px;border-radius:100px;font-size:14.5px;font-weight:600;color:var(--muted);transition:.2s}
.bar .links-n a:hover{color:var(--ink);background:rgba(255,255,255,.06)}
.bar .links-n a.btn{color:#08101f}
.bar .navtoggle{display:none;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--ink);font-size:20px;cursor:pointer;padding:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:100px;
  font-weight:700;font-size:15px;letter-spacing:-.01em;color:var(--ink);cursor:pointer;
  border:1px solid var(--line-2);background:rgba(255,255,255,.05);transition:transform .18s, box-shadow .25s, background .2s}
.btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.09)}
.btn.cta{color:#08101f;border:none;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 14px 34px -10px var(--glow),inset 0 1px 0 rgba(255,255,255,.5)}
.btn.cta:hover{box-shadow:0 20px 46px -10px var(--glow),inset 0 1px 0 rgba(255,255,255,.5)}
.btn.ghost{background:transparent}
/* visible keyboard focus on the dark glass background */
.btn:focus-visible,.bar .links-n a:focus-visible,.bar .navtoggle:focus-visible,.foot .links a:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:100px}

/* ---------- typography ---------- */
h1,h2,h3{letter-spacing:-.035em;line-height:1.02;font-weight:850}
.grad{background:linear-gradient(110deg,var(--accent),#fff 52%,var(--accent-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 26px rgba(138,162,255,.4))}
.kick{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:100px;
  font-size:12.5px;font-weight:800;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.kick i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}

/* ---------- hero ---------- */
.hero{padding:70px 0 40px;text-align:center;position:relative}
.hero .kick{margin-bottom:24px}
.hero h1{font-size:clamp(44px,7.4vw,88px);letter-spacing:-.045em}
.hero .sub{max-width:660px;margin:26px auto 0;color:var(--muted);font-size:clamp(16px,2vw,20px)}
.hero .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.hero .note{margin-top:18px;color:var(--faint);font-size:14px;font-weight:600;letter-spacing:.02em}

/* hero stage: device + floating pills + grid floor */
.stage{position:relative;margin-top:56px;height:clamp(560px,74vw,860px);perspective:1600px}
.floor{position:absolute;left:50%;bottom:-2%;width:180%;height:60%;transform:translateX(-50%) perspective(700px) rotateX(74deg);
  transform-origin:bottom center;
  background-image:linear-gradient(rgba(138,162,255,.16) 2px,transparent 2px),linear-gradient(90deg,rgba(138,162,255,.16) 2px,transparent 2px);
  background-size:66px 66px;
  -webkit-mask-image:radial-gradient(60% 80% at 50% 0%,#000,transparent 75%);mask-image:radial-gradient(60% 80% at 50% 0%,#000,transparent 75%);
  opacity:.55}
.device3d{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:clamp(280px,34vw,360px);transform-style:preserve-3d;will-change:transform}
.device3d .frame{position:relative;border-radius:14% / 7%;padding:2.6%;background:linear-gradient(155deg,#2a2c36,#0a0b10);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 60px 120px -30px rgba(0,0,0,.85),0 0 90px -14px var(--glow),inset 0 2px 1px rgba(255,255,255,.22)}
.device3d .frame img{border-radius:11% / 5.6%;display:block;width:100%}
.device3d .sheen{position:absolute;inset:2.6%;border-radius:11% / 5.6%;pointer-events:none;
  background:linear-gradient(125deg,rgba(255,255,255,.16),transparent 26%,transparent 82%,rgba(255,255,255,.06))}
.float{position:absolute;display:flex;align-items:center;gap:12px;padding:13px 18px;border-radius:16px;
  font-weight:750;font-size:15px;white-space:nowrap;
  background:rgba(16,18,32,.6);border:1px solid var(--line-2);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:0 24px 50px -16px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.14);animation:bob 6s ease-in-out infinite}
.float .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 6px 16px -4px var(--glow)}
.float small{display:block;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.02em}
.f1{left:2%;top:20%} .f2{right:0%;top:38%;animation-delay:-2s} .f3{left:6%;bottom:16%;animation-delay:-4s} .f4{right:4%;bottom:24%;animation-delay:-1s}
@keyframes bob{50%{transform:translateY(-12px)}}

/* ---------- section shell ---------- */
section{padding:clamp(70px,10vw,120px) 0;position:relative}
.title{font-size:clamp(30px,4.4vw,52px);text-align:center}
.lead{max-width:640px;margin:18px auto 0;text-align:center;color:var(--muted);font-size:clamp(16px,1.8vw,19px)}

/* ---------- feature grid ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px}
.feature{padding:26px;border-radius:var(--r);position:relative;overflow:hidden;transition:transform .25s, border-color .25s}
.feature:hover{transform:translateY(-6px);border-color:var(--line-2)}
.feature .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(138,162,255,.22),rgba(183,140,255,.22));border:1px solid var(--line)}
.feature h3{font-size:20px;margin-bottom:8px;letter-spacing:-.02em}
.feature p{color:var(--muted);font-size:15px}
.feature::after{content:"";position:absolute;inset:0;border-radius:var(--r);opacity:0;transition:.3s;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 0%,rgba(138,162,255,.12),transparent 60%)}
.feature:hover::after{opacity:1}

/* ---------- the loop ---------- */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:54px}
.step{padding:24px;border-radius:var(--r);position:relative}
.step .n{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:18px;margin-bottom:14px;
  color:#08101f;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 8px 20px -6px var(--glow)}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- video showcase ---------- */
.showcase{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;margin-top:20px}
.showcase .copy h2{font-size:clamp(28px,3.6vw,42px);text-align:left}
.showcase .copy .lead{text-align:left;margin-left:0}
.showcase ul{list-style:none;margin-top:24px;display:grid;gap:12px}
.showcase li{display:flex;gap:12px;align-items:flex-start;color:var(--muted);font-size:15.5px}
.showcase li b{color:var(--ink);font-weight:700}
.showcase li .dot{margin-top:8px;width:8px;height:8px;border-radius:50%;flex:0 0 auto;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 10px var(--glow)}
.vidframe{justify-self:center;width:clamp(260px,32vw,340px);border-radius:15% / 7.4%;padding:2.6%;position:relative;
  background:linear-gradient(155deg,#2a2c36,#0a0b10);border:1px solid rgba(255,255,255,.14);
  box-shadow:0 70px 130px -34px rgba(0,0,0,.85),0 0 100px -16px var(--glow),inset 0 2px 1px rgba(255,255,255,.22)}
.vidframe video{border-radius:12% / 6%;display:block;width:100%}

/* ---------- gallery (phone-framed raw app screens) ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-top:54px;perspective:1400px}
.shot{position:relative;transition:transform .3s;transform-style:preserve-3d;padding:6px}
.shot .frame{position:relative;border-radius:14% / 7%;padding:2.6%;background:linear-gradient(155deg,#2a2c36,#0a0b10);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 34px 70px -30px rgba(0,0,0,.85),0 0 50px -22px var(--glow),inset 0 2px 1px rgba(255,255,255,.2);transition:box-shadow .3s}
.shot .frame img{border-radius:11% / 5.6%;width:100%;display:block}
.shot .sheen{position:absolute;inset:2.6%;border-radius:11% / 5.6%;pointer-events:none;
  background:linear-gradient(125deg,rgba(255,255,255,.14),transparent 26%,transparent 82%,rgba(255,255,255,.05))}
.shot:hover{transform:translateY(-10px)}
.shot:hover .frame{box-shadow:0 50px 90px -30px rgba(0,0,0,.9),0 0 80px -20px var(--glow),inset 0 2px 1px rgba(255,255,255,.2)}

/* ---------- honest / cta band ---------- */
.band{border-radius:32px;padding:clamp(36px,6vw,72px);text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(138,162,255,.14),rgba(183,140,255,.08));border:1px solid var(--line-2)}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% -10%,rgba(138,162,255,.25),transparent 60%)}
.band>*{position:relative}
.pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
.pill{padding:10px 18px;border-radius:100px;font-weight:700;font-size:14px;color:var(--ink);
  background:rgba(255,255,255,.06);border:1px solid var(--line-2)}
.pill.g{color:var(--good)}

/* ---------- doc pages ---------- */
.page{padding:60px 0 40px}
.doc{max-width:820px;margin-inline:auto;padding:clamp(28px,5vw,56px);border-radius:28px}
.doc h1{font-size:clamp(32px,5vw,46px);margin-bottom:8px}
.doc h2{font-size:22px;margin:30px 0 8px;letter-spacing:-.02em}
.doc p,.doc li{color:var(--muted);margin-bottom:12px}
.doc a{color:var(--accent);font-weight:600}
.doc .meta{color:var(--faint);font-size:14px;margin-bottom:20px}
.doc ul{padding-left:20px;margin-bottom:12px}

/* ---------- footer ---------- */
footer{padding:60px 0 50px;border-top:1px solid var(--line);margin-top:40px}
.foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.foot .logo{display:flex;align-items:center;gap:12px}
.foot img{width:36px;height:36px;border-radius:10px}
.foot .name{font-weight:800}
.foot .spacer{flex:1}
.foot .links{display:flex;gap:22px;flex-wrap:wrap}
.foot .links a{color:var(--muted);font-weight:600;font-size:15px}
.foot .links a:hover{color:var(--ink)}
.foot .fine{width:100%;color:var(--faint);font-size:13px;margin-top:22px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .blob,.float{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .features,.loop,.gallery{grid-template-columns:repeat(2,1fr)}
  .showcase{grid-template-columns:1fr;gap:32px}
  .showcase .copy h2,.showcase .copy .lead{text-align:center;margin-inline:auto}
  .showcase ul{justify-items:center}
  .float{display:none}
}
@media (max-width:600px){
  .features,.loop,.gallery{grid-template-columns:1fr}
  .bar .links-n{display:none}
  .bar .links-n.open{display:flex;position:absolute;top:60px;left:0;right:0;flex-direction:column;padding:12px;border-radius:20px;
    background:rgba(10,12,22,.92);border:1px solid var(--line)}
  .bar .navtoggle{display:grid;place-items:center;width:44px;height:44px;border-radius:12px}
}