/* Trishunya Infotech - shared base: light sci-fi glassmorphism theme.
   Typography, footer, glass utilities, scroll-reveal.
   Each product page layers its own accent hue on top of this. */

:root{
  --bg:#eef2f9;
  --bg-alt:#ffffff;
  --fg:#0d1420;
  --fg-dim:#5b6577;
  --accent:#2f6bff;
  --accent-2:#22d3ee;
  --line:rgba(13,20,32,.09);
  --radius:20px;
  --maxw:1180px;
  --serif:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter",system-ui,"Segoe UI",Roboto,sans-serif;

  --glass-bg:rgba(255,255,255,.58);
  --glass-bg-strong:rgba(255,255,255,.78);
  --glass-border:rgba(255,255,255,.7);
  --glass-shadow:0 10px 40px -12px rgba(30,41,72,.16);

  --blue-chip-bg:rgba(37,99,235,.09);
  --blue-chip-border:rgba(37,99,235,.22);
  --blue-chip-fg:#2f6bff;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--serif);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- glass utility ---------- */
.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-shadow);
}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* ---------- generic buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:999px;
  font-size:16px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s,background .35s,border-color .35s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 10px 28px -10px rgba(47,107,255,.55)}
.btn-primary:hover{box-shadow:0 16px 36px -10px rgba(47,107,255,.65)}
.btn-ghost{background:var(--glass-bg);border-color:var(--glass-border);color:var(--fg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.btn-ghost:hover{border-color:var(--accent)}

/* ---------- info chip (blue = informational, never a warning) ---------- */
.chip-blue{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px;
  padding:3px 12px;border-radius:999px;
  background:var(--blue-chip-bg);border:1px solid var(--blue-chip-border);color:var(--blue-chip-fg);
}

/* ---------- footer (the one element shared by every page) ---------- */
.site-footer{
  background:var(--glass-bg-strong);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  color:var(--fg-dim);
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  font-size:14px;
}
.site-footer .foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  margin-bottom:48px;
}
.site-footer .foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.site-footer .foot-brand img{width:34px;height:34px;border-radius:8px}
.site-footer .foot-brand span{color:var(--fg);font-weight:600;font-size:16px}
.site-footer p{line-height:1.6;max-width:34ch;margin:0}
.site-footer h4{color:var(--fg);font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 16px}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.site-footer a:hover{color:var(--accent)}
.site-footer .foot-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  border-top:1px solid var(--line);padding-top:24px;
}
@media (max-width:760px){
  .site-footer .foot-grid{grid-template-columns:1fr;gap:32px}
}

/* ---------- legal / doc pages (privacy, terms, data safety) ---------- */
.legal{padding:150px 0 100px}
.legal .wrap{max-width:820px}
.legal h1{font-size:clamp(32px,5vw,48px);margin:0 0 8px;letter-spacing:-.02em}
.legal .updated{color:var(--fg-dim);font-size:14px;margin-bottom:56px}
.legal h2{font-size:22px;margin:44px 0 14px;letter-spacing:-.01em}
.legal h3{font-size:17px;margin:28px 0 10px;color:var(--fg)}
.legal p,.legal li{color:#374156;line-height:1.75;font-size:16px}
.legal ul,.legal ol{padding-left:22px}
.legal li{margin-bottom:8px}
.legal table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;border-radius:14px;overflow:hidden}
.legal th,.legal td{text-align:left;padding:12px 14px;border:1px solid var(--line);vertical-align:top}
.legal th{background:rgba(47,107,255,.06);color:var(--fg);font-weight:600}
.legal td{color:#374156;background:rgba(255,255,255,.5)}
.legal a.inline{color:var(--accent);text-decoration:underline}
.legal .callout{
  background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);border-left:3px solid var(--accent);
  border-radius:14px;padding:18px 20px;margin:24px 0;color:#2a3444;font-size:15px;line-height:1.7;
  box-shadow:var(--glass-shadow);
}
.legal .back{
  display:inline-flex;align-items:center;gap:8px;color:var(--fg-dim);font-size:14px;margin-bottom:40px;
}
.legal .back:hover{color:var(--accent)}

/* ---------- promo popup (app download nudge) ---------- */
.promo-overlay{
  position:fixed;inset:0;z-index:300;
  background:rgba(10,14,20,.4);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  padding:20px;padding-bottom:max(20px,env(safe-area-inset-bottom));
  opacity:0;pointer-events:none;transition:opacity .35s ease;
}
.promo-overlay.is-open{opacity:1;pointer-events:auto}
.promo-modal{
  position:relative;max-width:400px;width:100%;max-height:88vh;overflow-y:auto;
  background:var(--glass-bg-strong);border:1px solid var(--glass-border);
  border-radius:26px;padding:38px 30px 30px;
  box-shadow:0 30px 80px -18px rgba(10,14,20,.4), var(--glass-shadow);
  -webkit-backdrop-filter:blur(26px) saturate(180%);backdrop-filter:blur(26px) saturate(180%);
  text-align:center;
  transform:translateY(18px) scale(.96);opacity:0;
  transition:transform .45s cubic-bezier(.16,1,.3,1),opacity .45s cubic-bezier(.16,1,.3,1);
}
.promo-overlay.is-open .promo-modal{transform:translateY(0) scale(1);opacity:1}
.promo-modal .promo-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:50%;
  border:none;background:rgba(120,130,145,.14);color:var(--fg-dim);font-size:20px;line-height:1;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .25s,color .25s;
}
.promo-modal .promo-close:hover{background:rgba(120,130,145,.24);color:var(--fg)}
.promo-modal .promo-icon{width:72px;height:72px;border-radius:19px;margin:0 auto 18px;box-shadow:0 12px 28px -10px rgba(0,0,0,.28);display:block}
.promo-modal .promo-eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.promo-modal h3{font-size:21px;margin:0 0 10px;letter-spacing:-.01em;color:var(--fg);line-height:1.25}
.promo-modal p{font-size:14.5px;color:var(--fg-dim);line-height:1.6;margin:0 0 24px}
.promo-modal .promo-cta{display:inline-flex}
.promo-modal .promo-cta img{height:100px;display:block;width:auto}
.promo-modal .promo-later{
  display:block;margin:16px auto 0;font-size:13px;color:var(--fg-dim);
  text-decoration:underline;cursor:pointer;background:none;border:none;
  padding:8px 4px;
}
@media (max-width:480px){
  .promo-overlay{padding:14px;align-items:flex-end}
  .promo-modal{border-radius:22px 22px 20px 20px;padding:32px 22px 26px;max-height:82vh}
  .promo-modal .promo-icon{width:64px;height:64px}
  .promo-modal h3{font-size:19px}
  .promo-modal .promo-cta img{height:76px}
}