@font-face{font-family:"Chakra Petch";src:url(fonts/chakra-petch-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Chakra Petch";src:url(fonts/chakra-petch-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Noto Sans Tamil";src:url(fonts/noto-sans-tamil-tamil-500-normal.woff2) format("woff2");font-weight:500;font-display:swap;unicode-range:U+0B80-0BFF}

:root{
  --black:#000;
  --violet:#b25cff;
  --violet-deep:#6d28d9;
  --white:#f4f1fa;
  --muted:#9a93a8;
  --line:#2a2136;
  --display:"Chakra Petch","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --tamil:"Noto Sans Tamil","Latha","Tamil Sangam MN",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--black);color:var(--white);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);font-size:1.0625rem;line-height:1.6;background:var(--black)}
img{max-width:100%;height:auto;display:block}
a{color:var(--white);text-decoration-color:var(--violet);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{color:var(--violet)}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--violet);color:var(--black);padding:.5rem 1rem}
.skip:focus{left:1rem;top:1rem}
.wrap{width:min(1100px,100% - 3rem);margin-inline:auto}

/* Top bar */
body{border-top:2px solid var(--violet)}
.topbar{position:relative;z-index:2;border-bottom:1px solid var(--line);background:linear-gradient(to bottom,rgba(178,92,255,.10),transparent)}
.bar{display:flex;align-items:center;justify-content:space-between;height:4.25rem}
.home img{height:2.1rem;width:auto;filter:drop-shadow(0 0 6px rgba(178,92,255,.7))}
.links{display:flex;gap:clamp(1rem,3vw,2.5rem);list-style:none;margin:0;padding:0}
.links a{font-family:var(--display);font-weight:500;font-size:1rem;text-decoration:none;color:var(--muted)}
.links a:hover{color:var(--white)}

/* Hero */
.hero{position:relative;min-height:calc(88vh - 4.25rem);display:grid;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;left:8%;top:50%;width:46rem;height:46rem;transform:translate(-25%,-50%);
  background:radial-gradient(closest-side,rgba(178,92,255,.28),rgba(109,40,217,.10) 55%,transparent 72%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(2rem,6vw,6rem);align-items:center;padding-block:4rem}
.mark{justify-self:center;width:clamp(140px,22vw,250px);
  filter:drop-shadow(0 0 1px #fff) drop-shadow(0 0 10px rgba(178,92,255,.9)) drop-shadow(0 0 34px rgba(178,92,255,.55));
  animation:ignite 1.6s ease-out both}
@keyframes ignite{0%{opacity:0;filter:drop-shadow(0 0 0 rgba(178,92,255,0))}
  35%{opacity:1;filter:drop-shadow(0 0 0 rgba(178,92,255,0))}
  55%{filter:drop-shadow(0 0 1px #fff) drop-shadow(0 0 18px rgba(178,92,255,1)) drop-shadow(0 0 60px rgba(178,92,255,.8))}
  100%{filter:drop-shadow(0 0 1px #fff) drop-shadow(0 0 10px rgba(178,92,255,.9)) drop-shadow(0 0 34px rgba(178,92,255,.55))}}
.name{font-family:var(--display);font-weight:600;font-size:clamp(3rem,9vw,6.5rem);line-height:.95;letter-spacing:.01em;margin:0 0 1.5rem}
.lede{font-size:clamp(1.2rem,2.2vw,1.45rem);line-height:1.45;max-width:30ch;margin:0 0 1.25rem}
.sub{color:var(--muted);max-width:52ch;margin:0 0 2rem}
.actions{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center}
.btn{font-family:var(--display);font-weight:500;font-size:1.05rem;text-decoration:none;color:var(--black);background:var(--violet);
  padding:.7rem 1.3rem;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}
.btn:hover{background:var(--white);color:var(--black)}

/* Sections */
section{padding-block:clamp(4rem,9vw,7rem)}
#approach{padding-top:0}
h2{font-family:var(--display);font-weight:600;font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.1;margin:0 0 .75rem}
.intro{color:var(--muted);max-width:60ch;margin:0 0 3rem}

/* Products */
.products{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.product{display:grid;grid-template-columns:7rem minmax(0,14rem) minmax(0,1fr) 10rem;gap:1rem 2rem;align-items:baseline;padding-block:1.75rem;border-bottom:1px solid var(--line)}
.glyph{font-family:var(--tamil);font-weight:500;font-size:2rem;line-height:1;color:var(--violet);text-shadow:0 0 18px rgba(178,92,255,.45)}
.product h3{font-family:var(--display);font-weight:600;font-size:1.5rem;margin:0;line-height:1.2}
.meaning{display:block;color:var(--muted);font-size:.95rem}
.product p{margin:0;max-width:56ch}
.status{font-size:.95rem;color:var(--muted);display:flex;gap:.5rem;align-items:center;justify-self:end}
.status::before{content:"";width:.55rem;height:.55rem;border:1px solid var(--muted);transform:rotate(45deg);flex:none}
.status.built{color:var(--white)}
.status.built::before{background:var(--violet);border-color:var(--violet);box-shadow:0 0 8px var(--violet)}
.status.dev{color:var(--white)}
.status.dev::before{border-color:var(--violet)}
.planned{color:var(--muted)}

/* How we build */
.approach{}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem clamp(2rem,4vw,3.5rem);margin:2rem 0 0;padding:0;list-style:none}
.principles li{padding-top:1.25rem;border-top:1px solid var(--violet)}
.principles strong{font-family:var(--display);font-weight:600;font-size:1.25rem;display:block;margin-bottom:.4rem}
.principles span{color:var(--muted)}

/* Footer */
footer{border-top:1px solid var(--line);padding-block:3.5rem 2.5rem}
.foot{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem}
.foot h2{font-size:1.2rem;margin-bottom:.4rem}
.foot p{margin:0;color:var(--muted)}
.small{margin-top:3rem;color:var(--muted);font-size:.9rem}

@media (max-width:900px){
  .product{grid-template-columns:5rem minmax(0,1fr);}
  .product p{grid-column:2}
  .status{grid-column:2;justify-self:start}
  .principles,.foot{grid-template-columns:1fr}
}
@media (max-width:700px){
  .links{gap:1rem}
  .links a{font-size:.95rem}
  .hero{min-height:auto}
  .hero-grid{grid-template-columns:1fr;text-align:left;padding-block:3.5rem}
  .mark{justify-self:start;width:110px}
  .hero::before{left:0;top:22%;width:30rem;height:30rem}
}
@media (prefers-reduced-motion:reduce){.mark{animation:none}}

/* ---- 2026-11 redesign additions ---- */
.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hero{background-image:linear-gradient(rgba(178,92,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(178,92,255,.06) 1px,transparent 1px);background-size:44px 44px;background-position:center}
.hero::before{left:auto;right:-10%;transform:translate(0,-50%)}

/* Trust-chain diagram */
.chain{margin:0;justify-self:center;width:100%;max-width:520px}
.chain svg{width:100%;height:auto;display:block;overflow:visible}
.chain figcaption{color:var(--muted);font-size:.95rem;margin-top:.75rem;max-width:44ch}
.chain .rail{stroke:var(--violet);stroke-width:2;fill:none;opacity:.55}
.chain .watch{stroke:var(--muted);stroke-width:1.5;stroke-dasharray:4 5;fill:none}
.chain .node rect{fill:url(#g-node);stroke:var(--line);stroke-width:1.5}
.chain .node.key rect{stroke:var(--violet);filter:drop-shadow(0 0 10px rgba(178,92,255,.35))}
.chain .node.side rect{stroke:#4a3a5e}
.chain .node.planned rect{stroke-dasharray:5 5}
.chain .t{fill:var(--white);font-family:var(--display);font-weight:600;font-size:19px}
.chain .s{fill:var(--muted);font-family:var(--body);font-size:14px}
.chain .ta{fill:var(--violet);font-family:var(--tamil);font-weight:500;font-size:26px}
.chain .sm.t{font-size:16px}.chain .sm.s{font-size:12.5px}.chain .sm.ta{font-size:17px}
.chain .pulse{fill:#fff;filter:drop-shadow(0 0 6px var(--violet)) drop-shadow(0 0 14px var(--violet));
  offset-path:path("M180 50 V368");animation:travel 4.5s cubic-bezier(.5,0,.5,1) infinite}
@keyframes travel{0%{offset-distance:0%;opacity:0}8%{opacity:1}92%{opacity:1}100%{offset-distance:100%;opacity:0}}

/* Standards strip */
.standards{padding-block:2.25rem;border-bottom:1px solid var(--line);background:linear-gradient(to bottom,rgba(178,92,255,.05),transparent)}
.standards .label{font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 1rem}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;list-style:none;margin:0;padding:0}
.chips li{font-family:var(--display);font-weight:500;font-size:.98rem;padding:.4rem .85rem;border:1px solid #3b2d4d;background:rgba(178,92,255,.06);
  clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px)}
.standards .note{color:var(--muted);font-size:.95rem;margin:1rem 0 0;max-width:70ch}

/* Featured product (Aadhi) */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:center;
  padding:clamp(1.5rem,3vw,2.5rem);margin-bottom:3rem;border:1px solid var(--line);background:linear-gradient(135deg,rgba(178,92,255,.10),rgba(0,0,0,0) 60%)}
.feature .glyph{display:block;font-size:2.6rem;margin-bottom:.75rem}
.feature h3{font-family:var(--display);font-weight:600;font-size:2rem;margin:0 0 .75rem;line-height:1.1}
.feature p{margin:0 0 1rem;max-width:48ch}
.ticks{list-style:none;margin:0 0 1.25rem;padding:0}
.ticks li{position:relative;padding-left:1.4rem;margin:.35rem 0;color:var(--white)}
.ticks li::before{content:"";position:absolute;left:0;top:.6em;width:.5rem;height:.5rem;background:var(--violet);transform:rotate(45deg);box-shadow:0 0 8px var(--violet)}
.feature .status{justify-self:start;margin-bottom:1.5rem}
.shots{position:relative;min-height:420px}
.frame{margin:0;position:absolute;border:1px solid #3b2d4d;background:#0b0710;padding:6px;box-shadow:0 20px 60px rgba(0,0,0,.6),0 0 40px rgba(178,92,255,.18)}
.frame img{width:100%}
.frame.back{width:52%;right:0;top:0;opacity:.85}
.frame.front{width:64%;left:0;bottom:0}

/* Aadhi page */
.page-hero{padding-block:clamp(3.5rem,8vw,6rem) 3rem;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero .glyph{display:block;font-size:3rem;margin-bottom:1rem}
.page-hero .name{font-size:clamp(2.8rem,8vw,5.5rem)}
.page-hero .lede{max-width:34ch}
.browser{margin:3rem 0 0;border:1px solid #3b2d4d;background:#0b0710;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 60px rgba(178,92,255,.15)}
.browser .dots{display:flex;gap:.4rem;padding:.6rem .8rem;border-bottom:1px solid #2a2136}
.browser .dots span{width:.6rem;height:.6rem;border-radius:50%;background:#3b2d4d}
.browser .url{margin-left:.8rem;font-size:.85rem;color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2.5rem clamp(2rem,4vw,3.5rem);list-style:none;margin:2.5rem 0 0;padding:0}
.grid3 li{padding-top:1.25rem;border-top:1px solid var(--violet)}
.grid3 strong{font-family:var(--display);font-weight:600;font-size:1.25rem;display:block;margin-bottom:.4rem}
.grid3 span{color:var(--muted)}
.stand{border:1px solid var(--line);padding:clamp(1.5rem,3vw,2.5rem);background:linear-gradient(135deg,rgba(178,92,255,.08),transparent 60%)}
.stand dl{display:grid;grid-template-columns:12rem minmax(0,1fr);gap:.9rem 2rem;margin:1.5rem 0 0}
.stand dt{font-family:var(--display);font-weight:600}
.stand dd{margin:0;color:var(--muted)}
.cta{text-align:left}
.cta p{color:var(--muted);max-width:56ch;margin:0 0 1.5rem}

@media (max-width:900px){
  .hero-grid,.feature{grid-template-columns:1fr}
  .chain{max-width:460px;justify-self:start}
  .shots{min-height:0;display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:end}
  .frame{position:static;width:auto}
  .frame.back{opacity:1}
  .grid3{grid-template-columns:1fr 1fr}
  .stand dl{grid-template-columns:1fr;gap:.25rem}
  .stand dd{margin-bottom:.9rem}
}
@media (max-width:700px){
  .grid3{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr}
  .frame.back{display:none}
}
@media (prefers-reduced-motion:reduce){.chain .pulse{animation:none;offset-distance:30%}}
.page-hero{min-height:0;display:block}
.browser .dots span.url{width:auto;height:auto;border-radius:0;background:none}
@media (max-width:900px){.product .glyph{font-size:1.55rem}}
@media (max-width:700px){.frame.front{width:100%;max-width:420px}}