/* UniJoin Mixer AI — "Tidal Intelligence" design system */
:root{
  --abyss:#031b1e;--deep:#062a2e;--tide:#0b4f55;--reef:#0f6f74;
  --turq:#19c9c0;--mint:#7ff5e0;--glow:#bafff1;
  --foam:#effaf8;--paper:#f7fdfc;--ink:#072b2f;--muted:#4b7774;--line:#cfeee9;
  --display:"Unbounded",system-ui,sans-serif;
  --body:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --r:22px;--wrap:1180px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.7 var(--body);overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--reef);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--turq)}
h1,h2,h3{font-family:var(--display);line-height:1.15;letter-spacing:-.02em;margin:0 0 .6em}
h1{font-size:clamp(2rem,5.2vw,3.7rem);font-weight:700}
h2{font-size:clamp(1.55rem,3.2vw,2.35rem);font-weight:600}
h3{font-size:1.12rem;font-weight:600;letter-spacing:-.01em}
p{margin:0 0 1.1em}
.wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--mint);color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}

/* progress */
.progress{position:fixed;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--mint),var(--turq));transform-origin:0 50%;transform:scaleX(0);z-index:60}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(3,27,30,.78);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid rgba(127,245,224,.1);transition:padding .3s var(--ease)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;transition:height .3s var(--ease)}
.site-header.compact .wrap{height:56px}
.brand{display:flex;align-items:center;gap:10px;color:#e8fffb;text-decoration:none;font:600 1.05rem var(--display);letter-spacing:-.01em}
.brand img{width:34px;height:34px}
.brand small{font:500 .62rem var(--mono);color:var(--mint);letter-spacing:.18em;padding:3px 7px;border:1px solid rgba(127,245,224,.35);border-radius:99px}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:8px 14px;border-radius:99px;color:#bfe9e3;text-decoration:none;font-size:.92rem;transition:background .25s,color .25s}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(127,245,224,.12);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid rgba(127,245,224,.3);border-radius:12px;width:44px;height:40px;color:var(--mint);cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;transition:transform .3s}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--abyss);border-bottom:1px solid rgba(127,245,224,.15);max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
  .nav.open{max-height:320px}
  .nav ul{flex-direction:column;padding:10px 16px 18px}
  .nav a{padding:12px 14px}
}

/* hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 75% 10%,rgba(25,201,192,.22),transparent 60%),radial-gradient(800px 500px at 0% 100%,rgba(15,111,116,.35),transparent 60%),var(--abyss);color:#dff7f3;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(127,245,224,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(127,245,224,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 60% 40%,#000 30%,transparent 75%);z-index:-1}
.hero .spot{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(127,245,224,.16),transparent 65%);pointer-events:none;transform:translate(-50%,-50%);left:var(--mx,70%);top:var(--my,30%);z-index:-1;transition:left .4s var(--ease),top .4s var(--ease)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:84px 0 96px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;padding:0;list-style:none}
.tags li{font:500 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mint);padding:7px 12px;border-radius:99px;background:rgba(127,245,224,.08);border:1px solid rgba(127,245,224,.22)}
.hero h1{color:#fff}
.hero h1 .accent{background:linear-gradient(100deg,var(--mint),var(--turq) 60%,#59e6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.14rem;color:#a9d9d3;max-width:58ch}
.typed{font:500 .85rem var(--mono);color:var(--mint);margin-top:26px;min-height:1.6em}
.typed::after{content:"▍";animation:caret 1s steps(1) infinite;margin-left:2px}
@keyframes caret{50%{opacity:0}}
.hero-visual{position:relative;aspect-ratio:1;max-width:500px;justify-self:center;width:100%}
.hero-visual .orbit{position:absolute;inset:0;width:100%;height:100%}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;padding:56px 0 64px}.hero-visual{max-width:380px}}

/* facts band */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(127,245,224,.14);border:1px solid rgba(127,245,224,.14);border-radius:var(--r);overflow:hidden;margin-top:-48px;position:relative;z-index:2}
.facts div{background:var(--deep);padding:22px 22px 20px;color:#cdeee9}
.facts dt{font:500 .7rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mint);margin-bottom:6px}
.facts dd{margin:0;font:600 1.3rem var(--display);color:#fff}
.facts dd span{display:block;font:400 .82rem var(--body);color:#8fc4bd;margin-top:4px}
@media (max-width:760px){.facts{grid-template-columns:1fr 1fr}.facts dd{font-size:1.08rem}}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--foam);padding:14px 0;margin-top:64px}
.marquee ul{display:flex;gap:40px;list-style:none;margin:0;padding:0;width:max-content;animation:scroll 34s linear infinite}
.marquee li{font:600 .95rem var(--display);color:var(--reef);white-space:nowrap;display:flex;align-items:center;gap:40px}
.marquee li::after{content:"◆";font-size:.6rem;color:var(--turq)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* sections */
section{padding:96px 0}
.eyebrow{display:inline-flex;gap:10px;align-items:center;font:500 .76rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--reef);margin-bottom:16px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.dark{background:var(--abyss);color:#cfeee9}
.dark h2,.dark h3{color:#fff}
.dark .eyebrow{color:var(--mint)}
.dark a{color:var(--mint)}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:start}
.split.rev{grid-template-columns:1.05fr .95fr}
@media (max-width:900px){.split,.split.rev{grid-template-columns:1fr;gap:36px}section{padding:72px 0}}
.prose{max-width:68ch}
.prose p{color:#2f5856}
.dark .prose p{color:#a9d9d3}
.callout{border-left:3px solid var(--turq);background:var(--foam);padding:18px 22px;border-radius:0 14px 14px 0;color:var(--ink);font-size:.97rem}
.dark .callout{background:rgba(127,245,224,.06);color:#cfeee9}

/* figure */
figure{margin:0}
figcaption{font:500 .78rem var(--mono);color:var(--muted);margin-top:12px;letter-spacing:.04em}
.dark figcaption{color:#7fb6af}
.frame{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(7,43,47,.35);background:#fff}
.coin-figure{position:relative;border-radius:50%;overflow:hidden;aspect-ratio:1;max-width:420px;margin-inline:auto;box-shadow:0 0 0 1px var(--line),0 0 0 14px var(--foam),0 0 0 15px var(--line),0 40px 80px -40px rgba(15,111,116,.6)}
.coin-figure img{width:100%;height:100%;object-fit:cover;filter:hue-rotate(-18deg) saturate(1.05);animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:scale(1.05) rotate(2deg)}}

/* layers cards */
.layers{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.layer{position:relative;padding:28px;border-radius:var(--r);background:linear-gradient(160deg,rgba(127,245,224,.07),rgba(127,245,224,.01));border:1px solid rgba(127,245,224,.16);overflow:hidden;transition:transform .4s var(--ease),border-color .4s}
.layer:hover{transform:translateY(-4px);border-color:rgba(127,245,224,.45)}
.layer::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;border:1px solid rgba(127,245,224,.15);box-shadow:0 0 0 18px rgba(127,245,224,.03),0 0 0 36px rgba(127,245,224,.02)}
.layer .num{font:500 .74rem var(--mono);color:var(--mint);letter-spacing:.16em}
.layer h3{margin-top:10px}
.layer p{color:#9fcfc8;font-size:.96rem;margin:0}
@media (max-width:700px){.layers{grid-template-columns:1fr}}
.pipeline{margin-top:48px}
.pipeline img{width:100%}

/* steps */
.steps{list-style:none;margin:36px 0 0;padding:0;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;left:23px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--turq),var(--line))}
.steps li{position:relative;padding:0 0 30px 72px;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font:600 .9rem var(--mono);color:var(--ink);background:var(--mint);box-shadow:0 0 0 6px var(--paper)}
.steps h3{margin-bottom:6px;padding-top:10px}
.steps p{color:#2f5856;margin:0}

/* compare */
.table-wrap{overflow-x:auto;margin-top:32px;border-radius:var(--r);border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:560px;font-size:.96rem}
th,td{text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font:600 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);background:var(--foam)}
tbody th{font-weight:600;color:var(--ink)}
td.ai{color:var(--reef);font-weight:500;background:rgba(25,201,192,.05)}
tr:last-child th,tr:last-child td{border-bottom:0}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.pillar{padding:26px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:box-shadow .4s,transform .4s var(--ease)}
.pillar:hover{transform:translateY(-4px);box-shadow:0 24px 48px -28px rgba(15,111,116,.45)}
.pillar .ic{width:46px;height:46px;border-radius:14px;background:var(--foam);display:grid;place-items:center;margin-bottom:16px;color:var(--reef)}
.pillar p{color:#3d6663;font-size:.95rem;margin:0}
@media (max-width:900px){.pillars{grid-template-columns:1fr}}

/* faq */
.faq{margin-top:32px;border-top:1px solid rgba(127,245,224,.15)}
.faq details{border-bottom:1px solid rgba(127,245,224,.15)}
.faq summary{list-style:none;cursor:pointer;padding:22px 48px 22px 0;position:relative;font:600 1.02rem var(--display);color:#fff;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;margin-top:-7px;background:linear-gradient(var(--mint),var(--mint)) center/100% 2px no-repeat,linear-gradient(var(--mint),var(--mint)) center/2px 100% no-repeat;transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq .a{padding:0 0 22px;color:#a9d9d3;max-width:72ch}
.faq .a p{margin:0}

/* page hero (inner) */
.page-hero{background:radial-gradient(900px 400px at 85% 0%,rgba(25,201,192,.25),transparent 60%),var(--abyss);color:#cfeee9;padding:64px 0 72px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;bottom:-220px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(127,245,224,.12);box-shadow:0 0 0 40px rgba(127,245,224,.03),0 0 0 80px rgba(127,245,224,.02),0 0 0 120px rgba(127,245,224,.015);animation:ripple 9s ease-in-out infinite}
@keyframes ripple{50%{transform:scale(1.06)}}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4.4vw,3rem);max-width:20ch}
.page-hero p{color:#a9d9d3;max-width:62ch;font-size:1.08rem;margin:0}
.crumbs{font:500 .76rem var(--mono);letter-spacing:.08em;margin-bottom:22px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:#4f8f88}
.crumbs a{color:var(--mint);text-decoration:none}
.crumbs [aria-current]{color:#8fc4bd}

/* article layout */
.doc{display:grid;grid-template-columns:240px 1fr;gap:64px;padding:72px 0 96px}
.toc{position:sticky;top:96px;align-self:start;font-size:.9rem}
.toc p{font:500 .72rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc a{display:block;padding:7px 0 7px 16px;margin-left:-2px;border-left:2px solid transparent;color:#3d6663;text-decoration:none;transition:color .2s,border-color .2s}
.toc a:hover,.toc a.active{color:var(--reef);border-left-color:var(--turq)}
.doc article{max-width:72ch}
.doc article h2{font-size:1.45rem;margin-top:2.2em;scroll-margin-top:90px}
.doc article h2:first-of-type{margin-top:0}
.doc article p,.doc article li{color:#2f5856}
.doc article ul{padding-left:1.2em}
.doc article li{margin-bottom:.5em}
.doc article li::marker{color:var(--turq)}
.meta{display:flex;flex-wrap:wrap;gap:10px 22px;font:500 .78rem var(--mono);color:var(--muted);padding:14px 0 28px;margin-bottom:28px;border-bottom:1px solid var(--line)}
@media (max-width:900px){.doc{grid-template-columns:1fr;gap:28px;padding:48px 0 72px}.toc{position:static}}
.entity{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:8px 0 32px}
.entity div{background:#fff;padding:18px 20px}
.entity dt{font:500 .7rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.entity dd{margin:4px 0 0;font-weight:600;color:var(--ink)}
@media (max-width:600px){.entity{grid-template-columns:1fr}}
.side-fig{float:right;width:44%;margin:0 0 20px 28px}
@media (max-width:700px){.side-fig{float:none;width:100%;margin:0 0 24px}}

/* footer */
.site-footer{background:var(--abyss);color:#8fc4bd;padding:64px 0 32px;font-size:.92rem;border-top:1px solid rgba(127,245,224,.1)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer h2{font:600 .76rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mint);margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#cfeee9;text-decoration:none}
.site-footer a:hover{color:var(--mint)}
.site-footer .brand{margin-bottom:14px}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(127,245,224,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font:500 .76rem var(--mono)}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.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){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* related / interlinking */
.related{padding:72px 0;background:var(--foam);border-top:1px solid var(--line)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.rel{display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:var(--r);background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:transform .4s var(--ease),box-shadow .4s,border-color .4s}
.rel:hover{transform:translateY(-4px);border-color:var(--turq);box-shadow:0 24px 48px -28px rgba(15,111,116,.45);color:var(--ink)}
.rel .num{font:500 .72rem var(--mono);letter-spacing:.16em;color:var(--reef)}
.rel strong{font:600 1.05rem var(--display);letter-spacing:-.01em}
.rel span:last-child{color:#3d6663;font-size:.94rem}
.rel strong::after{content:" →";color:var(--turq);transition:margin .3s}
.rel:hover strong::after{margin-left:6px}
@media (max-width:900px){.rel-grid{grid-template-columns:1fr}}