/* Saarathi — shared site styles
   Lifts brand DNA from Saarathi v2.html: deep ink ground, teal metallic accents,
   Instrument Serif italics for emotion, Geist for body, Geist Mono for labels,
   Noto Sans Indic fonts for native scripts. Built for scannable multi-page reading
   (not the v2 scrollytelling rhythm). */

:root{
  --ink:#06090d;
  --ink-2:#0c1117;
  --ink-3:#11171f;
  --paper:#f2f3f4;
  --paper-d:rgba(242,243,244,.7);
  --paper-dd:rgba(242,243,244,.55);
  --paper-ddd:rgba(242,243,244,.35);
  --teal:#0B6588;
  --teal-2:#1d89ad;
  --teal-3:#5fb3d1;
  --teal-glow: rgba(29,137,173,.35);
  --line: rgba(242,243,244,0.12);
  --line-strong: rgba(242,243,244,0.32);
  --serif:'Instrument Serif', 'Times New Roman', serif;
  --sans:'Geist', system-ui, -apple-system, sans-serif;
  --mono:'Geist Mono', ui-monospace, monospace;
  --metal:linear-gradient(135deg, #5fb3d1 0%, #1d89ad 18%, #0B6588 38%, #084f6c 55%, #0B6588 72%, #1d89ad 88%, #4ea3c4 100%);
  --container: 1240px;
  --pad-x: clamp(20px, 4vw, 48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--ink);color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}
body{overflow-x:hidden;line-height:1.5}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:var(--teal);color:#fff}

/* ---------- NAV ---------- */
.site-nav{
  position:sticky;top:0;left:0;right:0;z-index:50;
  background:rgba(6,9,13,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-nav-inner{
  max-width:var(--container);margin:0 auto;
  padding:14px var(--pad-x);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#fff}
.brand-logo{
  width:30px;height:30px;
  background:#000 url('assets/saarathi-logo.png') center/80% no-repeat;
  border-radius:8px;
}
.brand small{opacity:.5;margin-left:2px}
.nav-links{display:flex;gap:28px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase}
.nav-links a{color:var(--paper-d);transition:color .2s;padding:8px 0;position:relative}
.nav-links a:hover{color:#fff}
.nav-links a.is-current{color:#fff}
.nav-links a.is-current::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--teal-3);
}
.nav-cta{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#fff;
  border:1px solid var(--line-strong);padding:10px 16px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;transition:border-color .2s, background .2s;
}
.nav-cta:hover{border-color:var(--teal-3);background:rgba(29,137,173,.08)}
.nav-toggle{display:none}

@media (max-width:880px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;
    background:rgba(6,9,13,.96);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    padding:8px 0;
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:14px var(--pad-x);width:100%;border-bottom:1px solid var(--line)}
  .nav-toggle{
    display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--line-strong);
    color:#fff;padding:8px 12px;border-radius:8px;
    font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;
  }
  .nav-cta{display:none}
}

/* ---------- Layout primitives ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.section{padding:clamp(60px, 9vw, 120px) 0}
.section-sm{padding:clamp(40px, 6vw, 80px) 0}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--paper-dd);margin-bottom:18px;
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:rgba(242,243,244,.4)}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;color:#fff}
h1{font-size:clamp(40px,6.5vw,84px);line-height:1.02}
h2{font-size:clamp(32px,4.6vw,60px);line-height:1.05}
h3{font-size:clamp(22px,2.4vw,32px);line-height:1.15}
h4{font-size:18px;line-height:1.3}
.serif-i{font-style:italic}
.metal-i{
  font-style:italic;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent;
}
p{color:rgba(242,243,244,.78);font-size:16px;line-height:1.6;text-wrap:pretty}
p.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.55;color:rgba(242,243,244,.85);max-width:62ch}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:999px;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;
  cursor:pointer;border:0;transition:transform .15s, box-shadow .2s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:var(--metal);color:#fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18), inset 1px 2px 4px rgba(255,255,255,.2), 0 10px 30px rgba(11,101,136,.35);
}
.btn-primary:hover{box-shadow: inset 0 0 0 1px rgba(255,255,255,.22), inset 1px 2px 4px rgba(255,255,255,.24), 0 14px 40px rgba(11,101,136,.5)}
.btn-ghost{border:1px solid var(--line-strong);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--teal-3);background:rgba(29,137,173,.06)}
.btn-arrow::after{content:"→";font-family:var(--sans);font-size:14px;letter-spacing:0;font-weight:400}

/* ---------- Cards ---------- */
.card{
  background:rgba(12,17,23,.6);
  border:1px solid var(--line);
  border-radius:20px;padding:28px;
  transition:border-color .2s, transform .2s, background .2s;
}
.card:hover{border-color:var(--line-strong);background:rgba(12,17,23,.85)}
.card .num{
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--teal-3);
}
.card h3{margin:14px 0 12px}
.card p{font-size:15px;line-height:1.55;color:rgba(242,243,244,.72)}
.card .card-foot{margin-top:18px;font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--teal-3);display:inline-flex;align-items:center;gap:6px}
.card .card-foot::after{content:"→";font-family:var(--sans);font-size:12px;letter-spacing:0}

/* ---------- Tag / Chip ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--paper-d);
}
.chip.on{background:var(--metal);color:#fff;border-color:transparent;text-shadow:0 1px 0 rgba(0,0,0,.3);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.chip .script{text-transform:none;letter-spacing:0;font-size:11px}
.script.dev{font-family:'Noto Sans Devanagari',sans-serif}
.script.tam{font-family:'Noto Sans Tamil',sans-serif}
.script.kan{font-family:'Noto Sans Kannada',sans-serif}
.script.tel{font-family:'Noto Sans Telugu',sans-serif}
.script.ben{font-family:'Noto Sans Bengali',sans-serif}
.script.gur{font-family:'Noto Sans Gurmukhi',sans-serif}
.script.mal{font-family:'Noto Sans Malayalam',sans-serif}
.script.guj{font-family:'Noto Sans Gujarati',sans-serif}
.script.ori{font-family:'Noto Sans Oriya',sans-serif}

/* ---------- Trust strip ---------- */
.trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px 40px;
  padding:24px var(--pad-x);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--paper-dd);
}
.trust b{color:#fff;font-weight:500;display:block;font-size:12px;margin-bottom:2px;letter-spacing:.15em}
.trust .trust-item{display:flex;align-items:center;gap:10px}
.trust .trust-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal-3);box-shadow:0 0 0 3px rgba(95,179,209,.18)}

/* ---------- Hero (pages) ---------- */
.page-hero{
  padding:clamp(80px,12vw,140px) 0 clamp(50px,7vw,80px);
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;left:50%;top:0;width:120%;height:60%;
  transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(ellipse 60% 100% at 50% 0%, rgba(29,137,173,.10), transparent 70%);
}
.page-hero h1{max-width:18ch;text-wrap:balance}
.page-hero p.lead{margin-top:24px}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-2);
  border-top:1px solid var(--line);
  padding:clamp(60px,7vw,90px) 0 32px;
  margin-top:80px;
}
.footer-grid{
  display:grid;grid-template-columns: 2fr 1fr 1fr 1fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid var(--line);
}
.footer-grid h5{
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--paper-dd);margin-bottom:18px;font-weight:500;
}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-grid a{color:var(--paper-d);font-size:14px;transition:color .15s}
.footer-grid a:hover{color:#fff}
.footer-brand p{font-size:14px;color:var(--paper-d);max-width:34ch;margin-top:14px}
.footer-langs{display:flex;flex-wrap:wrap;gap:6px 10px;margin-top:18px;font-family:var(--mono);font-size:11px;color:var(--paper-dd)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding-top:24px;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--paper-dd);
}
.footer-bottom .big{
  font-family:var(--serif);font-style:italic;font-size:clamp(48px,8vw,96px);line-height:.9;color:rgba(242,243,244,.05);letter-spacing:-.02em;text-transform:none;
}
@media (max-width:780px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}

/* ---------- Section header helpers ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.section-head h2{max-width:18ch;text-wrap:balance}
.section-head .lead{max-width:46ch}

/* ---------- Mini bubble for chat samples ---------- */
.bubble{
  max-width:92%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.5;
  font-family:var(--sans);
}
.bubble small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--paper-dd);margin-bottom:5px}
.bubble.user{background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;align-self:flex-end;border-bottom-right-radius:4px;margin-left:auto}
.bubble.ai{background:transparent;border:1px solid var(--teal-3);color:#f2f3f4;align-self:flex-start;border-bottom-left-radius:4px}
.bubble em{font-style:normal;color:var(--teal-3)}
.bubble .script{display:block;margin-top:4px;font-size:13px;color:rgba(242,243,244,.7)}
.convo{display:flex;flex-direction:column;gap:10px}

/* ---------- Form ---------- */
.waitlist-form{
  display:flex;align-items:center;gap:0;
  background:rgba(12,17,23,.85);
  border:1px solid var(--line-strong);
  border-radius:999px;padding:6px 6px 6px 22px;
  width:min(440px,100%);
}
.waitlist-form:focus-within{border-color:var(--teal-3)}
.waitlist-form input{flex:1;background:transparent;border:0;outline:0;color:#fff;font-family:var(--sans);font-size:14px;padding:13px 8px;min-width:0}
.waitlist-form input::placeholder{color:rgba(242,243,244,.45)}
.waitlist-form button{
  background:var(--metal);color:#fff;border:0;cursor:pointer;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;
  padding:13px 20px;border-radius:999px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18), inset 1px 2px 4px rgba(255,255,255,.2);
}

/* ---------- Stat block ---------- */
.stat b{display:block;font-family:var(--serif);font-style:italic;font-size:clamp(36px,4.5vw,52px);color:#fff;line-height:1;margin-bottom:10px}
.stat span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--paper-dd);line-height:1.55;display:block}

/* ---------- Accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{
  list-style:none;cursor:pointer;
  padding:22px 8px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:var(--serif);font-size:clamp(18px,2vw,22px);color:#fff;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{
  content:"+";font-family:var(--sans);font-size:22px;color:var(--teal-3);
  transition:transform .2s;font-weight:300;
}
.acc details[open] summary::after{content:"–"}
.acc .acc-body{padding:0 8px 24px;color:var(--paper-d);font-size:15px;line-height:1.6;max-width:70ch}

/* ---------- Page CTA strip ---------- */
.cta-strip{
  background:linear-gradient(135deg, rgba(11,101,136,.18), rgba(29,137,173,.06));
  border:1px solid var(--line);border-radius:24px;
  padding:clamp(36px,5vw,56px);
  display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;
}
.cta-strip h2{font-size:clamp(28px,3.5vw,44px);max-width:16ch}
.cta-strip .cta-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-strip .cta-side .waitlist-form{width:100%;max-width:none}
.cta-strip .micro{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--paper-dd)}
@media (max-width:780px){.cta-strip{grid-template-columns:1fr;gap:24px}}

/* ---------- Grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:880px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
}

/* utility */
.center{text-align:center}
.muted{color:var(--paper-dd)}
.divider{height:1px;background:var(--line);margin:48px 0}


/* ---------- Accessibility: reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}