/* Santosh AI — cross-border expansion practice
   Type: Newsreader (headlines) + IBM Plex Sans (body)
   Colour: cool paper ground, ink text, one colour per corridor */

:root{
  --paper:#EDF0EE;
  --paper-2:#E3E8E5;
  --card:#F7F9F8;
  --ink:#16211E;
  --ink-2:#3E4B47;
  --ink-3:#6B7773;
  --rule:#CBD4D0;

  --india:#D2761B;
  --canada:#A93226;
  --us:#2C4C8C;
  --europe:#2A7D6C;

  --measure:64ch;
  --pad:clamp(1.25rem,5vw,4.5rem);
  --gap:clamp(2rem,5vw,4rem);
}

*{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  font-size:clamp(1rem,0.96rem + 0.2vw,1.0625rem);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:"Newsreader",Georgia,serif;
  font-weight:400;
  line-height:1.1;
  letter-spacing:-0.015em;
  margin:0 0 0.5em;
  text-wrap:balance;
}

h1{font-size:clamp(2.5rem,1.8rem + 3.4vw,4.75rem)}
h2{font-size:clamp(1.75rem,1.4rem + 1.6vw,2.75rem)}
h3{font-size:clamp(1.25rem,1.1rem + 0.7vw,1.6rem)}
h4{font-size:1.0625rem;font-family:"IBM Plex Sans",sans-serif;font-weight:600;letter-spacing:0}

p{margin:0 0 1.1em;max-width:var(--measure)}
a{color:inherit}

.lede{
  font-size:clamp(1.125rem,1.05rem + 0.5vw,1.4rem);
  line-height:1.5;
  color:var(--ink-2);
  max-width:56ch;
}

.muted{color:var(--ink-3)}
.small{font-size:0.9375rem;line-height:1.55}

/* ---------- layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding-inline:var(--pad)}
section{padding-block:clamp(3.5rem,7vw,7rem)}
.divide{border-top:1px solid var(--rule)}

/* ---------- masthead ---------- */
.masthead{
  border-bottom:1px solid var(--rule);
  background:var(--paper);
  position:sticky;top:0;z-index:50;
}
.masthead .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;min-height:76px;flex-wrap:wrap;
}
.wordmark{
  font-family:"Newsreader",serif;font-size:1.45rem;
  text-decoration:none;letter-spacing:-0.02em;white-space:nowrap;
}
.wordmark span{color:var(--ink-3)}

.nav{display:flex;gap:clamp(0.9rem,2vw,1.9rem);flex-wrap:wrap;align-items:center}
.nav a{
  text-decoration:none;font-size:0.9375rem;color:var(--ink-2);
  padding:0.35rem 0;border-bottom:1.5px solid transparent;
}
.nav a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- hero + corridor diagram ---------- */
.hero{padding-block:clamp(3rem,6vw,6rem) clamp(2rem,4vw,3.5rem)}
.hero h1{max-width:17ch;margin-bottom:0.4em}

.corridors{margin-top:clamp(2.5rem,5vw,4rem);display:grid;gap:0}
.corridor{
  display:grid;
  grid-template-columns:minmax(9rem,1.2fr) 3fr;
  gap:clamp(1rem,3vw,2.5rem);
  align-items:baseline;
  padding:1.5rem 0;
  border-top:1px solid var(--rule);
  position:relative;
}
.corridor:last-child{border-bottom:1px solid var(--rule)}
.corridor-name{
  font-family:"Newsreader",serif;
  font-size:clamp(1.4rem,1.1rem + 1.1vw,2.1rem);
  line-height:1.05;
  color:var(--c);
}
.corridor-body p{margin:0 0 0.6rem;max-width:52ch}
.corridor-tags{display:flex;flex-wrap:wrap;gap:0.4rem 0.5rem;margin-top:0.7rem}
.tag{
  font-size:0.8125rem;line-height:1;padding:0.4rem 0.6rem;
  border:1px solid var(--rule);border-radius:2px;color:var(--ink-2);
  background:var(--card);
}
.corridor-line{
  position:absolute;left:0;top:-1px;height:2px;background:var(--c);
  width:0;animation:draw 1.1s cubic-bezier(.22,.61,.36,1) forwards;
}
.corridor:nth-child(1) .corridor-line{animation-delay:.15s}
.corridor:nth-child(2) .corridor-line{animation-delay:.3s}
.corridor:nth-child(3) .corridor-line{animation-delay:.45s}
.corridor:nth-child(4) .corridor-line{animation-delay:.6s}
@keyframes draw{to{width:100%}}
@media (prefers-reduced-motion:reduce){
  .corridor-line{animation:none;width:100%}
}

/* ---------- generic grids ---------- */
.grid{display:grid;gap:var(--gap)}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr))}

.split{
  display:grid;gap:clamp(1.5rem,4vw,4rem);
  grid-template-columns:minmax(0,1fr);
}
@media(min-width:900px){
  .split{grid-template-columns:minmax(0,20rem) minmax(0,1fr)}
  .split.wide-left{grid-template-columns:minmax(0,1fr) minmax(0,20rem)}
}
.split h2{position:sticky;top:110px}
@media(max-width:899px){.split h2{position:static}}

/* ---------- workstreams ---------- */
.stream{border-top:1px solid var(--rule);padding:1.75rem 0}
.stream:last-of-type{border-bottom:1px solid var(--rule)}
.stream h3{margin-bottom:0.35em}
.stream ul{margin:0.8rem 0 0;padding-left:1.1rem;color:var(--ink-2)}
.stream li{margin-bottom:0.35rem;max-width:58ch}

/* ---------- cards ---------- */
.card{
  background:var(--card);
  border:1px solid var(--rule);
  padding:clamp(1.25rem,3vw,1.9rem);
}
.card h3{margin-bottom:0.4em}
.card p:last-child{margin-bottom:0}
.card--accent{border-left:3px solid var(--c,var(--ink))}

/* ---------- stages / sequence ---------- */
.stage{
  display:grid;grid-template-columns:2.6rem 1fr;gap:1.25rem;
  padding:1.5rem 0;border-top:1px solid var(--rule);
}
.stage:last-child{border-bottom:1px solid var(--rule)}
.stage-num{
  font-family:"Newsreader",serif;font-size:1.6rem;color:var(--ink-3);
  line-height:1;padding-top:0.15rem;
}
.stage h3{margin-bottom:0.3em}
.stage p{margin-bottom:0}

/* ---------- data table ---------- */
.table{width:100%;border-collapse:collapse;font-size:0.9375rem;margin-top:1.5rem}
.table th,.table td{
  text-align:left;padding:0.85rem 1rem 0.85rem 0;
  border-bottom:1px solid var(--rule);vertical-align:top;
}
.table th{font-weight:600;color:var(--ink)}
.table td{color:var(--ink-2)}
.table tr td:first-child{color:var(--ink);font-weight:500;padding-right:1.5rem}

/* ---------- callout ---------- */
.callout{
  background:var(--ink);color:var(--paper);
  padding:clamp(1.75rem,4vw,3rem);
}
.callout h2,.callout h3{color:var(--paper)}
.callout p{color:#C3CCC8;max-width:58ch}
.callout a{color:var(--paper)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;text-decoration:none;
  padding:0.8rem 1.4rem;border:1.5px solid var(--ink);
  background:var(--ink);color:var(--paper);
  font-size:0.9375rem;font-weight:500;
  transition:background .15s ease,color .15s ease;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.callout .btn{border-color:var(--paper);background:var(--paper);color:var(--ink)}
.callout .btn:hover{background:transparent;color:var(--paper)}

.btnrow{display:flex;gap:0.75rem;flex-wrap:wrap;margin-top:1.5rem}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--rule);padding-block:3rem;background:var(--paper-2)}
.foot .wrap{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr))}
.foot h4{margin-bottom:0.7rem}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:0.4rem}
.foot a{color:var(--ink-2);text-decoration:none;font-size:0.9375rem}
.foot a:hover{color:var(--ink);text-decoration:underline}
.colophon{
  border-top:1px solid var(--rule);margin-top:2.5rem;padding-top:1.5rem;
  font-size:0.875rem;color:var(--ink-3);
}

/* ---------- a11y ---------- */
a:focus-visible,.btn:focus-visible,button:focus-visible{
  outline:2px solid var(--ink);outline-offset:3px;
}
.skip{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);
  padding:0.75rem 1rem;z-index:100;
}
.skip:focus{left:0}

/* ---------- form ---------- */
form{max-width:34rem;margin-top:1.5rem}
.field{margin-bottom:1.15rem}
.field label{
  display:block;font-size:0.9375rem;font-weight:500;
  margin-bottom:0.4rem;color:var(--ink);
}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:1rem;color:var(--ink);
  background:var(--card);border:1px solid var(--rule);border-radius:0;
  padding:0.7rem 0.8rem;
}
.field textarea{resize:vertical;line-height:1.55}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--ink);outline-offset:1px;border-color:var(--ink);
}
form button{cursor:pointer;font-family:inherit}

/* ================= VISUAL LAYER ================= */

/* tinted alternating sections */
.tint{background:var(--paper-2)}
.ink-section{background:var(--ink);color:var(--paper)}
.ink-section h2,.ink-section h3{color:var(--paper)}
.ink-section p{color:#C3CCC8}

/* hero arc diagram */
.arcs{width:100%;height:auto;display:block;margin-top:clamp(1.5rem,4vw,2.5rem)}
.arcs path{
  fill:none;stroke-width:2.5;stroke-linecap:round;
  stroke-dasharray:1000;stroke-dashoffset:1000;
  animation:sweep 1.6s cubic-bezier(.22,.61,.36,1) forwards;
}
.arcs path:nth-of-type(1){animation-delay:.2s}
.arcs path:nth-of-type(2){animation-delay:.35s}
.arcs path:nth-of-type(3){animation-delay:.5s}
.arcs path:nth-of-type(4){animation-delay:.65s}
.arcs .node{fill:var(--ink)}
.arcs .lbl{
  font-family:"IBM Plex Sans",sans-serif;font-size:13px;
  font-weight:500;fill:var(--ink-2);
}
@keyframes sweep{to{stroke-dashoffset:0}}
@media(prefers-reduced-motion:reduce){
  .arcs path{animation:none;stroke-dashoffset:0}
}

/* big index numerals */
.idx{
  font-family:"Newsreader",serif;
  font-size:clamp(3rem,2rem + 4vw,5rem);
  line-height:0.85;color:var(--c,var(--rule));
  opacity:.9;display:block;margin-bottom:.4rem;
}

/* colour-blocked stream headers */
.stream{position:relative;padding-left:0}
.stream::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:3.5rem;
  background:var(--c,var(--ink));
}
.stream{padding-top:2rem}

/* region banner */
.region-band{
  background:var(--c);color:#fff;
  padding:clamp(1.5rem,4vw,2.5rem) clamp(1.25rem,4vw,2.5rem);
  display:flex;align-items:baseline;justify-content:space-between;
  gap:1.5rem;flex-wrap:wrap;margin-bottom:2rem;
}
.region-band h2{color:#fff;margin:0;font-size:clamp(2rem,1.5rem + 2.5vw,3.25rem)}
.region-band .devanagari{
  font-size:1.5rem;opacity:.85;font-family:"Newsreader",serif;
}

/* swatch row */
.swatches{display:flex;gap:0;margin:2.5rem 0 0;flex-wrap:wrap}
.swatch{
  flex:1 1 8rem;min-height:5.5rem;background:var(--c);
  color:#fff;padding:1rem;display:flex;align-items:flex-end;
  font-size:.9375rem;font-weight:500;text-decoration:none;
  transition:flex-grow .25s ease;
}
.swatch:hover{flex-grow:1.6}

/* card grid gets colour weight */
.card{position:relative;overflow:hidden}
.card--accent{border-left-width:4px}
.card .kicker{
  display:block;font-size:.75rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--c,var(--ink-3));
  font-weight:600;margin-bottom:.6rem;
}

/* pull quote */
.pull{
  font-family:"Newsreader",serif;
  font-size:clamp(1.4rem,1.1rem + 1.4vw,2.1rem);
  line-height:1.28;max-width:24ch;margin:0;
  border-left:4px solid var(--c,var(--ink));padding-left:1.25rem;
}

/* ---------- founders ---------- */
.founders{display:grid;gap:clamp(2rem,5vw,3.5rem);margin-top:2rem}
@media(min-width:820px){.founders{grid-template-columns:1fr 1fr}}
.founder{display:grid;gap:1.25rem}
.portrait{
  position:relative;width:100%;max-width:15rem;aspect-ratio:1/1;
  background:var(--paper-2);border:1px solid var(--rule);overflow:hidden;
}
.portrait img{width:100%;height:100%;object-fit:cover;display:block;position:relative;z-index:2}
.portrait .initials{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:"Newsreader",serif;font-size:3.25rem;color:var(--ink-3);z-index:1;
}
.founder h3{margin-bottom:.15em}
.founder .role{
  font-size:.9375rem;color:var(--ink-3);margin:0 0 1rem;
  padding-bottom:.75rem;border-bottom:1px solid var(--rule);
}
.founder p{font-size:.9375rem;line-height:1.6;max-width:44ch}
.creds{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.creds .tag{background:transparent}