/* ==========================================================
   Caro team site · caroai.ir
   One particle field (the logo ring made of dots) travels
   through the page and becomes every chapter of the story.
   ========================================================== */

:root{
  --bg:#f3f1ec; --bg-2:#ebe8e0; --surface:#fbfaf7; --surface-2:#f5f3ee;
  --ink:#0f1535; --ink-2:#4a5073; --ink-3:#80859f;
  --line:rgba(15,21,53,.1); --line-2:rgba(15,21,53,.18);
  --teal:#2bb7c0; --cyan:#0fb0dc; --pink:#e8295c; --violet:#6f5cf0;
  --teal-ink:#08808f; --pink-ink:#c4134a;
  --grad:linear-gradient(100deg,#35bcc2 0%,#10b0e0 46%,#e8295c 100%);
  --glass:rgba(251,250,247,.74);
  --shadow:0 30px 80px -42px rgba(15,21,53,.42);
  --ok:#14966f;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#05080f; --bg-2:#0a0f1c; --surface:#0d1324; --surface-2:#111a2e;
    --ink:#eef0f8; --ink-2:#a6acc6; --ink-3:#6c7290;
    --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
    --teal-ink:#5cdbe6; --pink-ink:#ff6d95;
    --glass:rgba(8,12,24,.72);
    --shadow:0 34px 90px -40px rgba(0,0,0,.85);
    --ok:#3ed8a8;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#05080f; --bg-2:#0a0f1c; --surface:#0d1324; --surface-2:#111a2e;
  --ink:#eef0f8; --ink-2:#a6acc6; --ink-3:#6c7290;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --teal-ink:#5cdbe6; --pink-ink:#ff6d95;
  --glass:rgba(8,12,24,.72);
  --shadow:0 34px 90px -40px rgba(0,0,0,.85);
  --ok:#3ed8a8;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Vazirmatn",Tahoma,sans-serif;font-size:17px;line-height:1.9;overflow-x:clip;-webkit-font-smoothing:antialiased;transition:background-color .5s,color .5s}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(70vmax 60vmax at 100% -10%,color-mix(in srgb,var(--teal) 10%,transparent),transparent 62%),
    radial-gradient(60vmax 50vmax at -10% 110%,color-mix(in srgb,var(--pink) 7%,transparent),transparent 60%)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-align:inherit}
:focus-visible{outline:2.5px solid var(--cyan);outline-offset:3px;border-radius:12px}
::selection{background:color-mix(in srgb,var(--cyan) 30%,transparent)}
.lat{font-family:var(--mono);direction:ltr;unicode-bidi:isolate;letter-spacing:0}
.lat.en{font-family:"Vazirmatn",Tahoma,sans-serif}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;margin:-1px}
.wrap{width:min(1240px,100% - 32px);margin-inline:auto}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.skip{position:fixed;top:-60px;inset-inline-start:16px;z-index:100;padding:10px 18px;border-radius:999px;background:var(--ink);color:var(--bg);font-weight:700;transition:top .2s}
.skip:focus{top:12px}

/* particle canvas: fixed behind every section */
#fx{position:fixed;top:0;left:0;width:100%;height:100vh;height:100lvh;z-index:0;pointer-events:none}
main,footer{position:relative;z-index:1}
.fx-fallback{display:none}
.no-fx .fx-fallback{display:block}

/* ---------------- header ---------------- */
.progress{position:fixed;inset:0 0 auto;height:2px;z-index:60;background:var(--grad);transform-origin:right;transform:scaleX(var(--read,0))}
.hdr{position:fixed;inset:14px 0 auto;z-index:50;pointer-events:none}
.hdr-pill{pointer-events:auto;display:flex;align-items:center;gap:6px;width:min(1240px,100% - 24px);margin-inline:auto;padding:7px 8px 7px 8px;border-radius:999px;border:1px solid transparent;transition:background-color .35s,border-color .35s,box-shadow .35s,backdrop-filter .35s}
.hdr.solid .hdr-pill{background:var(--glass);border-color:var(--line);box-shadow:0 12px 40px -24px rgba(0,0,0,.35);-webkit-backdrop-filter:blur(16px) saturate(1.5);backdrop-filter:blur(16px) saturate(1.5)}
.brand{display:flex;align-items:center;gap:10px;padding-inline:6px 10px;font-weight:900;font-size:21px;line-height:1}
.brand img{width:32px;height:32px;transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.brand:hover img{transform:rotate(-180deg)}
.brand small{display:block;font:500 10.5px/1 var(--mono);color:var(--ink-3);margin-top:5px;letter-spacing:.5px}
.brand small.fa{font:500 12.5px/1.2 "Vazirmatn",sans-serif;letter-spacing:0;margin-top:6px}
.nav{display:flex;gap:2px;margin-inline-start:auto}
.nav a{position:relative;padding:8px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);transition:color .25s,background-color .25s}
.nav a:hover{color:var(--ink);background:var(--line)}
.nav a.on{color:var(--ink)}
.nav a.on::after{content:"";position:absolute;bottom:3px;left:50%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--pink)}
.ibtn{width:42px;height:42px;flex:none;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-2);transition:background-color .25s,transform .3s}
.ibtn:hover{background:var(--line)}
.ibtn svg{width:19px;height:19px}
.theme-btn{margin-inline-start:6px}
.theme-btn .moon{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-btn .sun{display:none}:root:not([data-theme="light"]) .theme-btn .moon{display:block}}
.menu-btn{display:none}
@media (max-width:880px){
  .nav{display:none}
  .theme-btn{margin-inline-start:auto}
  .menu-btn{display:grid}
}
.sheet{position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;justify-content:center;gap:4px;padding:90px 28px 40px;background:color-mix(in srgb,var(--bg) 94%,transparent);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.sheet.open{opacity:1;visibility:visible}
.sheet a{display:flex;align-items:baseline;gap:14px;font-size:clamp(30px,9vw,44px);font-weight:900;line-height:1.5;padding:4px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(16px);transition:opacity .45s,transform .45s}
.sheet a .lat{font-size:13px;color:var(--ink-3);font-weight:500}
.sheet.open a{opacity:1;transform:none}
.sheet.open a:nth-child(3){transition-delay:.04s}.sheet.open a:nth-child(4){transition-delay:.08s}.sheet.open a:nth-child(5){transition-delay:.12s}.sheet.open a:nth-child(6){transition-delay:.16s}.sheet.open a:nth-child(7){transition-delay:.2s}
.sheet .close{position:absolute;top:21px;left:20px}

/* ---------------- shared section bits ---------------- */
.sec{padding-block:clamp(96px,13vw,180px)}
.eyebrow{display:inline-flex;align-items:center;gap:12px;margin:0;font-size:14.5px;font-weight:700;color:var(--ink-2)}
.idx{display:inline-grid;place-items:center;min-width:38px;height:26px;padding:0 8px;border-radius:999px;border:1px solid var(--line-2);font:600 12px/1 var(--mono);color:var(--ink);background:color-mix(in srgb,var(--surface) 60%,transparent)}
.h2{font-size:clamp(38px,5.6vw,80px);font-weight:900;line-height:1.16;margin:16px 0 0}
.sub{font-size:clamp(16px,1.4vw,19px);color:var(--ink-2);max-width:32em;margin:18px 0 0}
.sec-head{display:grid;grid-template-columns:1.25fr 1fr;align-items:end;gap:20px 60px;margin-bottom:clamp(44px,6vw,84px)}
.sec-head .sub{margin:0;justify-self:end}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}.sec-head .sub{justify-self:start}}
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform 1s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}

/* ---------------- hero ---------------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:grid;grid-template-rows:1fr auto;padding-top:76px}
.hero-stage{display:grid;place-items:center;padding:clamp(20px,4vh,48px) 0}
.hero-ring{--ring:min(62vh,72vw,640px);position:relative;width:var(--ring);height:var(--ring);display:grid;place-items:center}
@supports (height:1svh){.hero-ring{--ring:min(62svh,72vw,640px)}}
.hero-ring .fx-fallback{position:absolute;inset:0;width:100%;height:100%}
.orbit{position:absolute;inset:-12%;width:124%;height:124%;overflow:visible;animation:spin 80s linear infinite;pointer-events:none}
.orbit text{font-family:"Vazirmatn",sans-serif;font-weight:600;fill:var(--ink-3)}
.orbit .tick{fill:var(--pink)}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-name{position:relative;margin:0;font-size:calc(var(--ring) * .17);font-weight:900;line-height:1;letter-spacing:0;text-align:center;
  animation:nameIn 1.4s cubic-bezier(.2,.8,.2,1) .9s both}
.hero-name .lat{display:block;margin-top:.5em;font-size:max(11px,.11em);font-weight:500;color:var(--ink-3);letter-spacing:.35em;text-indent:.35em}
@keyframes nameIn{from{opacity:0;filter:blur(14px);transform:scale(.92)}}
.hero-foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:20px;padding-bottom:clamp(22px,4vh,40px);animation:fadeUp 1.2s cubic-bezier(.2,.8,.2,1) 1.4s both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}}
.hero-id{margin:0;display:flex;flex-direction:column;line-height:1.5}
.hero-id b{font-size:clamp(19px,1.7vw,24px);font-weight:900}
.hero-id span{color:var(--ink-2);font-weight:500}
.hero-meta{margin:0;display:flex;flex-direction:column;align-items:flex-end;text-align:end;line-height:1.7;color:var(--ink-2);font-size:15px}
.hero-meta span:first-child{font-weight:700;color:var(--ink)}
.cue{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--ink-3)}
.cue-line{position:relative;width:1.5px;height:46px;background:var(--line-2);overflow:hidden;border-radius:2px}
.cue-line::after{content:"";position:absolute;inset:0;background:linear-gradient(var(--cyan),var(--pink));transform:translateY(-100%);animation:drip 2.2s cubic-bezier(.6,0,.3,1) infinite}
@keyframes drip{60%,100%{transform:translateY(100%)}}
@media (max-width:760px){
  .hero-ring{--ring:min(56vh,74vw)}
  @supports (height:1svh){.hero-ring{--ring:min(56svh,74vw)}}
  .hero-foot{grid-template-columns:1fr;justify-items:center;text-align:center;gap:16px}
  .hero-id,.hero-meta{align-items:center;text-align:center}
  .hero-meta{flex-direction:row;gap:10px;flex-wrap:wrap;justify-content:center}
  .hero-meta span+span::before{content:"·";margin-inline-end:10px;color:var(--ink-3)}
  .cue{order:3}
}

/* ---------------- about / manifesto ---------------- */
.about .eyebrow{margin-bottom:clamp(26px,4vw,44px)}
.manifesto{margin:0;font-size:clamp(25px,3.55vw,52px);font-weight:800;line-height:1.62;max-width:22em}
.manifesto .w{opacity:.14;transition:opacity .35s,color .35s}
.manifesto .w.lit{opacity:1}
.manifesto em{font-style:normal}
.manifesto em .w.lit{color:var(--teal-ink)}
.manifesto em:last-of-type .w.lit{color:var(--pink-ink)}
.about-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:30px 40px;margin-top:clamp(40px,6vw,72px);padding-top:30px;border-top:1px solid var(--line)}
.sign{display:flex;align-items:center;gap:14px}
.sign img{width:56px;height:56px;border-radius:50%;object-fit:cover;background:#fff;box-shadow:0 0 0 3px var(--bg),0 0 0 4.5px var(--teal)}
.sign b{display:block;font-weight:800;line-height:1.5}
.sign span{font-size:14px;color:var(--ink-3)}
.facts{display:flex;flex-wrap:wrap;gap:12px 46px;margin:0}
.facts div{display:flex;flex-direction:column-reverse}
.facts dd{margin:0;font-size:clamp(40px,4.4vw,62px);font-weight:900;line-height:1.05}
.facts dt{font-size:14px;color:var(--ink-2);font-weight:600}
.facts div:nth-child(1) dd{color:var(--teal-ink)}
.facts div:nth-child(3) dd{color:var(--pink-ink)}

/* ---------------- story (pinned) ---------------- */
.story{position:relative;height:calc(var(--steps,6) * 78vh + 100vh)}
.story-pin{position:sticky;top:0;height:100vh;height:100svh;display:grid;grid-template-rows:1fr auto;padding-top:80px;overflow:hidden}
.story-grid{display:grid;grid-template-columns:1fr 1.08fr;align-items:center;gap:clamp(20px,4vw,70px);min-height:0}
.story-copy{position:relative}
.story-copy .eyebrow{margin-bottom:22px}
.date{display:flex;align-items:center;gap:.22em;font-size:clamp(64px,9.4vw,150px);font-weight:900;line-height:1.08;margin:0 0 12px;white-space:nowrap}
.date-m{position:relative;display:inline-block}
.date-m .m-in{display:inline-block}
.date-m .m-in.swap{animation:mSwap .7s cubic-bezier(.2,.8,.2,1)}
@keyframes mSwap{0%{opacity:0;transform:translateY(.35em);filter:blur(6px)}}
.date-y{display:inline-flex;direction:ltr;unicode-bidi:isolate;color:transparent;-webkit-text-stroke:1.6px var(--ink);animation:fadeIn .5s both}
.date-y.gone{display:none}
@keyframes fadeIn{from{opacity:0}}
.dg{display:block;width:.62em;height:1.4em;margin:-.16em 0;clip-path:inset(0 -.6em);transition:width .9s cubic-bezier(.65,0,.2,1)}
.dg-in{display:flex;flex-direction:column;align-items:center;transition:transform .9s cubic-bezier(.65,0,.2,1)}
.dg-in i{display:block;width:max-content;font-style:normal;height:1.4em;line-height:1.4}
.chaps{position:relative;min-height:190px}
.chap{position:absolute;inset:0 0 auto;opacity:0;transform:translateY(26px);transition:opacity .5s,transform .7s cubic-bezier(.2,.8,.2,1);pointer-events:none}
.chap.on{opacity:1;transform:none;pointer-events:auto}
.chap h3{margin:0;font-size:clamp(22px,2.3vw,34px);font-weight:900;line-height:1.45;max-width:17em}
.chap p{margin:12px 0 0;color:var(--ink-2);font-size:clamp(16px,1.35vw,19px);max-width:28em}
.chap .tag{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--ink-3)}
.chap .tag::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.chap a{color:var(--teal-ink);font-weight:800;border-bottom:1.5px solid currentColor}
.story-stage{justify-self:center;width:min(64vh,44vw,600px);aspect-ratio:1}
@supports (height:1svh){.story-stage{width:min(64svh,44vw,600px)}}
.rail{list-style:none;margin:0;padding:0 0 clamp(18px,4vh,36px);position:relative;display:grid;grid-template-columns:repeat(var(--steps,6),1fr)}
.rail::before,.rail::after{content:"";position:absolute;top:9px;inset-inline:calc(50% / var(--steps,6));height:2px;border-radius:2px;background:var(--line-2)}
.rail::after{background:var(--grad);transform-origin:right;transform:scaleX(var(--rp,0))}
.rail li{position:relative;z-index:1;display:flex;justify-content:center}
.rail button{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--ink-3);transition:color .3s}
.rail i{width:20px;height:20px;border-radius:50%;background:var(--bg);border:2px solid var(--line-2);transition:border-color .35s,background-color .35s,transform .35s,box-shadow .35s}
.rail li.done i{border-color:var(--cyan);background:var(--cyan)}
.rail li.on i{border-color:var(--pink);background:var(--pink);transform:scale(1.15);box-shadow:0 0 0 7px color-mix(in srgb,var(--pink) 18%,transparent)}
.rail li.on button,.rail button:hover{color:var(--ink)}
@media (max-width:860px){
  .story{height:calc(var(--steps,6) * 70vh + 100vh)}
  .story-pin{padding-top:74px}
  .story-grid{grid-template-columns:1fr;grid-template-rows:auto 1fr;align-content:start;align-items:start;gap:14px}
  .story-stage{order:-1;width:min(42vh,84vw);margin-top:4px}
  @supports (height:1svh){.story-stage{width:min(42svh,84vw)}}
  .story-copy .eyebrow{margin-bottom:8px}
  .date{font-size:clamp(46px,14vw,74px);margin-bottom:6px}
  .chaps{min-height:150px}
  .chap h3{font-size:clamp(19px,5.4vw,24px)}
  .chap p{font-size:15.5px;line-height:1.8;margin-top:6px}
  .chap .tag{margin-top:8px}
  .rail button span{display:none}
  .rail li.on button span{display:block;position:absolute;top:28px;white-space:nowrap;font-size:12.5px}
  .rail{padding-bottom:40px}
}
@media (max-width:860px) and (max-height:700px){
  .story-stage{width:min(32vh,64vw)}
  .date{font-size:44px}
  .chap p{display:none}
}

/* ---------------- products ---------------- */
.prods{display:grid;gap:clamp(20px,3vw,32px)}
.prod{--p-bg:#f2f5f9;position:relative;isolation:isolate;overflow:hidden;border-radius:clamp(26px,3vw,40px);display:grid;grid-template-columns:.92fr 1.3fr;align-items:center;gap:clamp(28px,4vw,64px);padding:clamp(26px,4.6vw,72px);background:var(--p-bg);color:var(--p-ink);box-shadow:var(--shadow)}
.prod-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start}
.live{display:inline-flex;align-items:center;gap:9px;padding:6px 14px 6px 12px;border-radius:999px;font-size:13.5px;font-weight:700;background:var(--p-live-bg);color:var(--p-live)}
.live::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 0 0 currentColor;animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 color-mix(in srgb,currentColor 60%,transparent)}80%,100%{box-shadow:0 0 0 10px transparent}}
.prod-name{display:flex;align-items:center;gap:14px;margin:20px 0 6px;font-size:clamp(52px,6.4vw,96px);font-weight:900;line-height:1.1}
.prod-line{margin:0;font-size:clamp(19px,1.7vw,24px);font-weight:800;line-height:1.55}
.prod-desc{margin:12px 0 0;color:var(--p-ink2);font-size:clamp(15.5px,1.3vw,17.5px);max-width:30em}
.prod-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:28px}
.prod-btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:800;font-size:16px;background:var(--p-accent);color:var(--p-on);box-shadow:0 14px 30px -14px var(--p-accent);transition:transform .25s,box-shadow .25s,gap .25s}
.prod-btn:hover{transform:translateY(-3px);gap:14px}
.prod-btn svg{width:18px;height:18px}
.prod-url{font:500 13.5px var(--mono);color:var(--p-ink3);direction:ltr}
.prod-device{position:relative;z-index:2;padding-bottom:9%;perspective:1400px}
.dev-in{position:relative;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.8,.2,1);transform:rotateY(var(--ry,0deg)) rotateX(var(--rx,0deg))}
.browser{position:relative;border-radius:14px;overflow:hidden;background:var(--p-surface);border:1px solid var(--p-line);box-shadow:0 40px 80px -40px rgba(0,0,0,.45),0 0 0 1px rgba(0,0,0,.02)}
.bbar{display:flex;align-items:center;gap:6px;height:34px;padding:0 12px;direction:ltr;border-bottom:1px solid var(--p-line);background:var(--p-surface)}
.bbar i{width:10px;height:10px;border-radius:50%;background:var(--p-line-2)}
.burl{display:inline-flex;align-items:center;gap:6px;margin:0 auto;padding:3px 14px;border-radius:999px;background:var(--p-sunken);font:500 11.5px/1.5 var(--mono);color:var(--p-ink2)}
.burl svg{width:10px;height:10px}
.bscreen{position:relative;aspect-ratio:1280/800;overflow:hidden;background:var(--p-bg)}
.shot{transition:transform 1.4s cubic-bezier(.6,0,.2,1)}
.shot img{width:100%;height:auto}
@media (hover:hover){
  .browser:hover .shot{transform:translateY(-66.6667%);transition:transform 10s cubic-bezier(.4,0,.3,1)}
}
@media (hover:none){
  .prod.in .shot{animation:autoscroll 16s cubic-bezier(.45,0,.35,1) 1.2s infinite}
}
@keyframes autoscroll{0%,12%{transform:none}50%,62%{transform:translateY(-66.6667%)}100%{transform:none}}
.scroll-hint{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(10,14,24,.72);color:#fff;font-size:12px;font-weight:700;pointer-events:none;transition:opacity .4s}
.browser:hover .scroll-hint{opacity:0}
@media (hover:none){.scroll-hint{display:none}}
.phone{position:absolute;bottom:0;width:25%;padding:5px;border-radius:24px;background:#0a0c11;box-shadow:0 30px 60px -24px rgba(0,0,0,.6),inset 0 0 0 1.5px rgba(255,255,255,.08);transform:translateZ(40px)}
.phone::before{content:"";position:absolute;top:10px;left:50%;width:26%;height:5%;max-height:14px;margin-left:-13%;border-radius:999px;background:#0a0c11;z-index:2}
.pscreen{border-radius:19px;overflow:hidden;aspect-ratio:585/1266;background:var(--p-bg)}
.pscreen img{width:100%;height:100%;object-fit:cover;object-position:top}
.only-dark{display:none!important}
:root[data-theme="dark"] .only-dark{display:block!important}
:root[data-theme="dark"] .only-light{display:none!important}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .only-dark{display:block!important}:root:not([data-theme="light"]) .only-light{display:none!important}}

/* AIVA: its own language (cool slate, navy to sky gradient, soft glow, wave lines) */
.prod-aiva{--p-bg:#f2f5f9;--p-surface:#fff;--p-sunken:#eef2f7;--p-ink:#0b1a2c;--p-ink2:#475b71;--p-ink3:#7e92a7;--p-line:rgba(20,45,80,.09);--p-line-2:rgba(20,45,80,.16);--p-accent:#2c6db5;--p-on:#fff;--p-live:#13865f;--p-live-bg:rgba(19,134,95,.1);--p-grad:linear-gradient(100deg,#24427e,#3f6cb0 45%,#5aaee2)}
.prod-aiva::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(900px 520px at 15% -10%,rgba(90,174,226,.26),transparent 60%),radial-gradient(700px 420px at 100% 100%,rgba(63,108,176,.1),transparent 60%)}
.prod-aiva .prod-name span{background:var(--p-grad);-webkit-background-clip:text;background-clip:text;color:transparent;padding:.24em .06em .16em;margin:-.24em -.06em -.16em}
.aiva-mark{width:.62em;height:.62em;flex:none}
.aiva-waves{position:absolute;inset:auto 0 -6% 0;height:46%;z-index:-1;width:100%;opacity:.55}
.aiva-waves path{fill:none;stroke:#3f6cb0;stroke-width:1.3;opacity:.45}
.aiva-waves path:nth-child(2){stroke:#5aaee2;opacity:.35}
.aiva-waves path:nth-child(3){opacity:.18}
.aiva-waves g{animation:waveSlide 14s linear infinite}
@keyframes waveSlide{to{transform:translateX(-50%)}}
.prod-aiva .phone{inset-inline-end:-2%}
:root[data-theme="dark"] .prod-aiva{--p-bg:#060d16;--p-surface:#0f1d2b;--p-sunken:#142536;--p-ink:#eaf2fb;--p-ink2:#a3b8cc;--p-ink3:#6c849b;--p-line:rgba(148,196,240,.1);--p-line-2:rgba(148,196,240,.2);--p-accent:#5aaee2;--p-on:#04111d;--p-live:#3ed8a8;--p-live-bg:rgba(62,216,168,.12);--p-grad:linear-gradient(100deg,#7cc2ee,#5aaee2 45%,#9fd3f5)}
:root[data-theme="dark"] .prod-aiva::before{background:radial-gradient(900px 520px at 15% -10%,rgba(63,108,176,.3),transparent 60%),radial-gradient(700px 420px at 100% 100%,rgba(90,174,226,.08),transparent 60%)}
:root[data-theme="dark"] .aiva-waves path{stroke:#5aaee2}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .prod-aiva{--p-bg:#060d16;--p-surface:#0f1d2b;--p-sunken:#142536;--p-ink:#eaf2fb;--p-ink2:#a3b8cc;--p-ink3:#6c849b;--p-line:rgba(148,196,240,.1);--p-line-2:rgba(148,196,240,.2);--p-accent:#5aaee2;--p-on:#04111d;--p-live:#3ed8a8;--p-live-bg:rgba(62,216,168,.12);--p-grad:linear-gradient(100deg,#7cc2ee,#5aaee2 45%,#9fd3f5)}
  :root:not([data-theme="light"]) .prod-aiva::before{background:radial-gradient(900px 520px at 15% -10%,rgba(63,108,176,.3),transparent 60%),radial-gradient(700px 420px at 100% 100%,rgba(90,174,226,.08),transparent 60%)}
  :root:not([data-theme="light"]) .aiva-waves path{stroke:#5aaee2}
}

/* Saranjam: its own language (warm paper, ruled lines, saffron accent, hand-drawn underline) */
.prod-saranjam{--p-bg:#f3eee6;--p-surface:#fbf8f3;--p-sunken:#ece5da;--p-ink:#241b12;--p-ink2:#5e5143;--p-ink3:#75685a;--p-line:#e2d8c9;--p-line-2:#d0c3af;--p-accent:#d9690b;--p-on:#fff7ec;--p-live:#276d44;--p-live-bg:#dcecdf;grid-template-columns:1.3fr .92fr}
.prod-saranjam .prod-copy{order:2}
.prod-saranjam::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(180deg,transparent 0 37px,color-mix(in srgb,var(--p-line) 70%,transparent) 37px 38px);-webkit-mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent)}
.prod-saranjam::after{content:"";position:absolute;width:60%;aspect-ratio:1;top:-30%;left:-12%;z-index:-1;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--p-accent) 16%,transparent),transparent)}
.prod-saranjam .prod-name span{position:relative;color:var(--p-accent)}
.swoosh{position:absolute;left:-4%;right:-4%;bottom:-.12em;width:108%;height:.28em;overflow:visible}
.swoosh path{fill:none;stroke:var(--p-accent);stroke-width:3.4;stroke-linecap:round;opacity:.55;stroke-dasharray:420;stroke-dashoffset:420;transition:stroke-dashoffset 1.6s cubic-bezier(.6,0,.2,1) .4s}
.prod.in .swoosh path{stroke-dashoffset:0}
.prod-saranjam .browser{border-radius:10px}
.prod-saranjam .phone{inset-inline-start:-2%}
:root[data-theme="dark"] .prod-saranjam{--p-bg:#23201c;--p-surface:#2c2824;--p-sunken:#3a342e;--p-ink:#f3ebdf;--p-ink2:#c9bcab;--p-ink3:#a3978a;--p-line:#443d36;--p-line-2:#574d44;--p-accent:#f0903a;--p-on:#23170a;--p-live:#6cc08d;--p-live-bg:#29402f}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .prod-saranjam{--p-bg:#23201c;--p-surface:#2c2824;--p-sunken:#3a342e;--p-ink:#f3ebdf;--p-ink2:#c9bcab;--p-ink3:#a3978a;--p-line:#443d36;--p-line-2:#574d44;--p-accent:#f0903a;--p-on:#23170a;--p-live:#6cc08d;--p-live-bg:#29402f}}
@media (max-width:900px){
  .prod,.prod-saranjam{grid-template-columns:1fr}
  .prod-saranjam .prod-copy{order:0}
  .prod-device{padding-bottom:12%}
  .phone{width:27%}
  .prod-aiva .phone{inset-inline-end:2%}
  .prod-saranjam .phone{inset-inline-start:2%}
}

/* ---------------- projects ---------------- */
.pj-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(30px,5vw,90px);align-items:start}
.pj-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2);counter-reset:pj}
.pj{position:relative;border-bottom:1px solid var(--line-2)}
.pj::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--c,var(--cyan)) 9%,transparent));opacity:0;transition:opacity .4s}
.pj.on::before,.pj.open::before{opacity:1}
.pj[data-cat="text"]{--c:var(--pink)}
.pj[data-cat="twin"]{--c:var(--violet)}
.pj-head{width:100%;display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:8px 22px;padding:clamp(20px,2.3vw,30px) 6px}
.pj-num{font:600 13px var(--mono);color:var(--ink-3);transition:color .3s}
.pj-title{font-size:clamp(19px,2vw,28px);font-weight:800;line-height:1.45;transition:transform .45s cubic-bezier(.2,.8,.2,1),color .3s}
.pj-cat{font-size:13px;font-weight:700;color:var(--ink-2);padding:4px 12px;border-radius:999px;border:1px solid var(--line-2);white-space:nowrap}
.pj-plus{position:relative;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);transition:transform .45s cubic-bezier(.2,.8,.2,1),background-color .3s,border-color .3s}
.pj-plus::before,.pj-plus::after{content:"";position:absolute;top:50%;left:50%;width:13px;height:1.8px;margin:-.9px 0 0 -6.5px;border-radius:2px;background:currentColor}
.pj-plus::after{transform:rotate(90deg);transition:transform .45s}
.pj.on .pj-num{color:var(--c,var(--cyan))}
.pj.on .pj-title{transform:translateX(-10px)}
.pj.open .pj-plus{transform:rotate(180deg);background:var(--ink);color:var(--bg);border-color:var(--ink)}
.pj.open .pj-plus::after{transform:rotate(0)}
.pj-icon{display:none}
.pj-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s cubic-bezier(.2,.8,.2,1)}
.pj.open .pj-body{grid-template-rows:1fr}
.pj-body-in{overflow:hidden}
.pj-body-in>div{padding:0 6px 30px;padding-inline-start:calc(13px * 1.6 + 22px)}
.pj-body p{margin:0 0 16px;color:var(--ink-2);max-width:40em}
.pj-body ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.pj-body li{position:relative;padding-inline-start:26px;font-size:15.5px;line-height:1.8;color:var(--ink)}
.pj-body li::before{content:"";position:absolute;inset-inline-start:2px;top:.62em;width:10px;height:10px;border-radius:50%;border:2.5px solid var(--c,var(--cyan))}
.pj-body li b{font-weight:800}
.pj-side{position:sticky;top:max(90px,12vh);display:flex;flex-direction:column;align-items:center;gap:18px}
.pj-stage{width:min(54vh,32vw,500px);aspect-ratio:1}
.pj-cap{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;color:var(--ink-2);min-height:28px}
.pj-cap .lat{font-size:13px;color:var(--ink)}
.pj-cap i{width:24px;height:1.5px;background:var(--line-2)}
@media (max-width:900px){
  .pj-grid{grid-template-columns:1fr}
  .pj-side{display:none}
  .pj-head{grid-template-columns:auto 1fr auto;grid-template-areas:"icon title plus" "icon cat plus";gap:4px 16px;align-items:center}
  .pj-icon{grid-area:icon;display:grid;place-items:center;position:relative;width:84px;height:84px;border-radius:24px;background:color-mix(in srgb,var(--surface) 70%,transparent);border:1px solid var(--line);color:var(--c,var(--teal-ink))}
  .pj-icon svg{width:36px;height:36px;transition:opacity .4s,transform .4s}
  .pj-icon.fx-on svg{opacity:0;transform:scale(.6)}
  .pj-icon.fx-on{background:transparent;border-color:transparent}
  .pj-num{display:none}
  .pj-title{grid-area:title;font-size:18px;line-height:1.55}
  .pj-cat{grid-area:cat;justify-self:start;font-size:12px;padding:2px 10px}
  .pj-plus{grid-area:plus;width:34px;height:34px}
  .pj.on .pj-title{transform:none}
  .pj-body-in>div{padding-inline-start:6px}
}

/* ---------------- team ---------------- */
.groups{display:grid;gap:clamp(46px,6vw,90px)}
.grp{display:grid;gap:22px;padding-top:24px;border-top:1px solid var(--line-2)}
.grp-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px}
.grp-head .lat{font-size:13px;color:var(--ink-3)}
.grp-head h3{margin:0;font-size:clamp(22px,2.2vw,30px);font-weight:900;line-height:1.4}
.grp-head p{margin:0;color:var(--ink-2);font-size:15px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:16px}
.mem{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;padding:22px 22px 20px;border-radius:28px;background:var(--surface);border:1px solid var(--line);transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s,border-color .3s}
.mem:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.ava{position:relative;width:108px;height:108px;margin-bottom:16px;flex:none}
.ava-ring{position:absolute;inset:0;width:100%;height:100%;transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.mem:hover .ava-ring{transform:rotate(-150deg)}
.ava img,.ava .ini{position:absolute;inset:12px;width:calc(100% - 24px);height:calc(100% - 24px);border-radius:50%;object-fit:cover;background:#fff;filter:grayscale(1) contrast(1.04);transition:filter .6s}
.mem:hover .ava img{filter:none}
@media (hover:none){.ava img{filter:none}}
.ini{display:grid;place-items:center;overflow:hidden;font-size:30px;font-weight:800;line-height:1;letter-spacing:0;color:var(--ink-2);filter:none!important;background:radial-gradient(circle,color-mix(in srgb,var(--ink) 16%,transparent) 1.3px,transparent 1.6px) 0 0/9px 9px,var(--surface-2)!important}
.badge{position:absolute;bottom:2px;inset-inline-start:-4px;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:800;background:var(--ink);color:var(--bg);white-space:nowrap}
.mem h4{margin:0;font-size:19px;font-weight:900;line-height:1.5}
.mem .role{font-size:14px;font-weight:700;color:var(--pink-ink);line-height:1.6}
.mem .field{font-size:14.5px;color:var(--ink-2);line-height:1.7;margin-top:2px}
.mem .more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;font-weight:800;color:var(--ink)}
.mem .more svg{width:15px;height:15px;transition:transform .3s}
.mem:hover .more svg{transform:translateX(-4px)}
.pf-head .ini{font-size:38px}
@media (max-width:560px){
  .cards{grid-template-columns:1fr 1fr;gap:10px}
  .mem{padding:16px 14px;border-radius:22px}
  .ava{width:84px;height:84px;margin-bottom:12px}
  .ava img,.ava .ini{inset:9px;width:calc(100% - 18px);height:calc(100% - 18px)}
  .ava .ini{font-size:24px}
  .pf-head .ava .ini{font-size:32px}
  .mem h4{font-size:16px}
  .mem .role{font-size:12.5px}
  .mem .field{font-size:13px}
  .badge{font-size:10.5px;padding:2px 8px}
}

/* profile dialog */
dialog.pf{width:min(620px,100% - 24px);max-height:min(90vh,900px);padding:0;border:1px solid var(--line);border-radius:32px;background:var(--surface);color:var(--ink);box-shadow:0 50px 140px -40px rgba(0,0,0,.7);overflow:auto;overscroll-behavior:contain}
body:has(dialog[open]){overflow:hidden}
dialog.pf::backdrop{background:rgba(5,8,15,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
dialog.pf[open]{animation:pop .5s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{opacity:0;transform:translateY(30px) scale(.97)}}
.pf-bar{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:8px;padding:14px 16px;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.pf-bar .count{margin-inline-start:auto;font:500 12.5px var(--mono);color:var(--ink-3)}
.pf-body{padding:4px clamp(22px,4vw,40px) 36px}
.pf-head{display:flex;align-items:center;gap:22px;margin-bottom:24px}
.pf-head .ava{width:128px;height:128px;margin:0}
.pf-head .ava img{filter:none}
.pf-group{font-size:13px;font-weight:700;color:var(--teal-ink)}
.pf-head h3{margin:2px 0 0;font-size:clamp(24px,3.4vw,32px);font-weight:900;line-height:1.35}
.pf-role{margin:2px 0 0;font-weight:700;color:var(--pink-ink);font-size:15px}
.pf-sec{margin-top:22px}
.pf-sec h4{margin:0 0 10px;font-size:14px;font-weight:800;color:var(--ink-3)}
.pf-sec p{margin:0;color:var(--ink-2)}
.pf-sec ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.pf-sec li{padding:11px 14px;border-radius:16px;background:var(--surface-2);border:1px solid var(--line);font-size:15px;line-height:1.7}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips>span{padding:5px 13px;border-radius:999px;font-size:13.5px;font-weight:700;border:1px solid var(--line-2);color:var(--ink-2)}
@media (max-width:520px){.pf-head{flex-direction:column;align-items:flex-start;gap:14px}.pf-head .ava{width:104px;height:104px}}

/* ---------------- contact ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:clamp(30px,5vw,90px)}
.contact-ring{justify-self:center;position:relative;width:min(70vh,40vw,560px);aspect-ratio:1;display:grid;place-items:center}
.contact-ring .fx-fallback{position:absolute;inset:0;width:100%;height:100%}
.contact-ring .say{position:relative;font-size:clamp(20px,2vw,28px);font-weight:900;text-align:center;line-height:1.5;color:var(--ink)}
.contact-ring .say .lat{display:block;font-size:12px;font-weight:500;color:var(--ink-3);letter-spacing:.3em}
.clist{list-style:none;margin:34px 0 0;padding:0;border-top:1px solid var(--line-2)}
.crow{width:100%;display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:16px;padding:18px 4px;border-bottom:1px solid var(--line-2);transition:padding .35s cubic-bezier(.2,.8,.2,1),background-color .3s}
.crow:hover{padding-inline:16px 10px;background:color-mix(in srgb,var(--surface) 70%,transparent)}
.c-k{font-size:14px;font-weight:700;color:var(--ink-3)}
.c-v{font-size:clamp(16px,1.5vw,20px);font-weight:800;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right}
.c-v.lat{font-family:var(--mono);font-weight:600;font-size:clamp(14px,1.3vw,17px)}
.c-a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--ink-2)}
.c-a svg{width:18px;height:18px;transition:transform .3s}
.crow:hover .c-a svg{transform:translate(-3px,-3px)}
.crow:hover .c-v{color:var(--teal-ink)}
@media (max-width:860px){
  .contact-grid{grid-template-columns:1fr}
  .contact-ring{width:min(78vw,420px)}
  .crow{grid-template-columns:78px 1fr auto;gap:10px}
}
.toast{position:fixed;bottom:24px;left:50%;z-index:90;transform:translate(-50%,20px);padding:10px 20px;border-radius:999px;background:var(--ink);color:var(--bg);font-weight:700;font-size:14px;opacity:0;pointer-events:none;transition:opacity .35s,transform .35s}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------------- footer ---------------- */
.foot{padding:30px 0 34px}
.giant{margin:0 0 6px;padding-bottom:.08em;font-size:clamp(110px,27vw,400px);font-weight:900;line-height:1.3;text-align:center;color:transparent;-webkit-text-stroke:1.5px var(--line-2);user-select:none;overflow:hidden}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px 30px;padding-top:24px;border-top:1px solid var(--line)}
.foot-links{display:flex;flex-wrap:wrap;gap:4px 22px;font-size:15px;font-weight:600;color:var(--ink-2)}
.foot-links a:hover{color:var(--ink)}
.copy{font-size:14px;color:var(--ink-3)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .manifesto .w{opacity:1}
  html{scroll-behavior:auto}
}

.lat.en{white-space:nowrap}
.pj-body li b,.pf-sec li b{margin-inline-end:.4em;font-weight:800;color:var(--ink)}

/* partner logo strip (from the AIVA landing) */
.partners{--gap:88px;position:relative;overflow:hidden;padding:26px 0 30px;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.partner-track{display:flex;align-items:center;width:max-content;animation:partnersRtl 70s linear infinite}
@keyframes partnersRtl{to{transform:translateX(50%)}}
.partners:hover .partner-track{animation-play-state:paused}
.partner{display:flex;flex:none;margin-inline-end:var(--gap)}
.partner img{display:block;width:auto;height:52px;opacity:.88}
.partner .on-dark{display:none}
:root[data-theme="dark"] .partner .on-light{display:none}
:root[data-theme="dark"] .partner .on-dark{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .partner .on-light{display:none}:root:not([data-theme="light"]) .partner .on-dark{display:block}}
@media (max-width:640px){.partners{--gap:56px;padding:18px 0 22px}.partner img{height:42px}}
@media (prefers-reduced-motion:reduce){.partner-track{animation:none}}