/* Insight Bay AI — design system */
:root{
  --navy:#0a1f33; --navy-2:#0f2c47; --teal:#0f9d8f; --teal-d:#0b7c72; --teal-l:#12b3a3;
  --ink:#152028; --body:#33434f; --muted:#6b7a86; --line:#e5ecef; --bg:#ffffff;
  --soft:#f4f8f9; --soft-2:#eaf3f3; --amber:#e9a23b; --green:#1f9d57;
  --radius:14px; --radius-s:10px; --maxw:1120px;
  --shadow:0 1px 2px rgba(10,31,51,.04),0 8px 30px rgba(10,31,51,.06);
  --shadow-l:0 10px 40px rgba(10,31,51,.12);
  --font:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;font-size:17px}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.18;letter-spacing:-.02em;font-weight:800}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--teal-d)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15.5px;
  padding:13px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-wa{background:#25D366;color:#fff;box-shadow:0 6px 18px rgba(37,211,102,.32)}
.btn-wa:hover{background:#20bd5a}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(15,157,143,.3)}
.btn-primary:hover{background:var(--teal-d)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-d)}
.btn-lg{padding:16px 28px;font-size:16.5px}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:19px;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--teal),var(--navy));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px}
.brand .ai{color:var(--teal-d)}
.navlinks{display:flex;align-items:center;gap:26px}
.navlinks a{color:var(--body);font-weight:600;font-size:15px}
.navlinks a:hover{color:var(--teal-d);text-decoration:none}
.nav .btn{padding:10px 18px}
.menu-btn{display:none;background:none;border:0;cursor:pointer}

/* hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 500px at 80% -10%,rgba(15,157,143,.14),transparent 60%),
  radial-gradient(900px 500px at 0% 0%,rgba(10,31,51,.06),transparent 55%);
  padding:74px 0 64px}
.hero h1{font-size:clamp(34px,5vw,56px);max-width:16ch}
.hero .lead{font-size:clamp(17px,2.2vw,21px);color:var(--body);max-width:56ch;margin:20px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.trust{margin-top:26px;display:flex;flex-wrap:wrap;gap:18px 26px;color:var(--muted);font-size:14px;font-weight:600}
.trust span{display:inline-flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}

/* sections */
section{padding:62px 0}
.section-head{max-width:62ch;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,3.4vw,38px)}
.section-head p{margin-top:12px;font-size:18px;color:var(--muted)}
.tl{max-width:70ch}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* cards grid */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.card .ic{width:46px;height:46px;border-radius:11px;background:var(--soft-2);color:var(--teal-d);display:grid;place-items:center;font-size:22px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{font-size:15px;color:var(--body)}
.soft{background:var(--soft)}

/* steps */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.step .n{counter-increment:s;flex:0 0 44px;height:44px;border-radius:12px;background:var(--teal);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px}
.step .n::before{content:counter(s)}
.step h3{font-size:18px;margin-bottom:5px}
.step p{font-size:15px}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center}
.stat .big{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--teal-d);letter-spacing:-.03em}
.stat .lbl{color:var(--muted);font-size:14.5px;margin-top:4px}

/* proof / quote */
.proof{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#dfeaf0;border-radius:20px;padding:44px 40px}
.proof .eyebrow{color:var(--teal-l)}
.proof h2{color:#fff;font-size:clamp(24px,3vw,32px);margin:10px 0 14px;max-width:26ch}
.proof p{color:#b9cad6;font-size:16px;max-width:60ch}
.proof .metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px}
.proof .metrics b{display:block;font-size:28px;color:#fff}
.proof .metrics span{font-size:13.5px;color:#93a9b8}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);padding:4px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:16px 0;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--teal-d);font-weight:800;font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:var(--body);font-size:15.5px}

/* CTA form */
.cta-band{background:radial-gradient(900px 400px at 50% 0%,rgba(15,157,143,.1),transparent 60%),var(--soft)}
.leadbox{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-l);padding:32px;max-width:520px;margin:0 auto}
.leadbox h3{font-size:22px;margin-bottom:6px}
.leadbox p.sub{color:var(--muted);font-size:15px;margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;transition:border .15s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal)}
.field textarea{resize:vertical;min-height:84px}
.form-note{font-size:13px;color:var(--muted);margin-top:6px}
.form-ok{display:none;background:var(--soft-2);border:1px solid #bfe6e0;color:var(--teal-d);border-radius:10px;padding:16px;font-weight:600;text-align:center}

/* footer */
footer.site{background:var(--navy);color:#b7c7d2;padding:52px 0 30px;font-size:14.5px}
footer.site a{color:#cddbe4}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:34px}
footer .brand{color:#fff}
footer .logo{background:linear-gradient(135deg,var(--teal-l),#1a3a56)}
footer h4{color:#fff;font-size:13px;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none}
footer li{margin-bottom:9px}
.foot-legal{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:#8ba1b0;font-size:13px}

/* sticky mobile WA */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.45);font-size:28px}
.wa-float:hover{text-decoration:none;transform:scale(1.05)}

/* chat widget */
.chat-btn{position:fixed;right:18px;bottom:86px;z-index:60;background:var(--navy);color:#fff;border:0;cursor:pointer;
  border-radius:999px;padding:12px 18px;font-weight:700;font-size:14.5px;box-shadow:var(--shadow-l);display:flex;gap:8px;align-items:center;font-family:inherit}
.chat-panel{position:fixed;right:18px;bottom:86px;z-index:61;width:min(380px,calc(100vw - 36px));height:min(560px,70vh);
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-l);display:none;flex-direction:column;overflow:hidden}
.chat-panel.open{display:flex}
.chat-hd{background:var(--navy);color:#fff;padding:16px 18px;display:flex;justify-content:space-between;align-items:center}
.chat-hd b{font-size:15.5px}
.chat-hd small{color:#9db4c4;font-size:12.5px}
.chat-x{background:none;border:0;color:#cdd;cursor:pointer;font-size:20px}
.chat-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--soft)}
.msg{max-width:82%;padding:10px 13px;border-radius:13px;font-size:14.5px;line-height:1.5}
.msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.me{background:var(--teal);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-in{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff}
.chat-in input{flex:1;border:1.5px solid var(--line);border-radius:999px;padding:10px 15px;font-family:inherit;font-size:14.5px}
.chat-in input:focus{outline:none;border-color:var(--teal)}
.chat-in button{background:var(--teal);color:#fff;border:0;border-radius:999px;width:42px;cursor:pointer;font-size:17px}

/* breadcrumb / vertical hero */
.vhero{padding:56px 0 40px;background:radial-gradient(900px 400px at 85% -10%,rgba(15,157,143,.13),transparent 60%)}
.vhero h1{font-size:clamp(30px,4.4vw,46px);max-width:18ch}
.vhero .lead{font-size:19px;color:var(--body);max-width:56ch;margin:18px 0 26px}
.pill{display:inline-block;background:var(--soft-2);color:var(--teal-d);font-weight:700;font-size:13px;padding:6px 13px;border-radius:999px;margin-bottom:18px}

ul.checks{list-style:none;margin:8px 0}
ul.checks li{position:relative;padding:8px 0 8px 30px;font-size:16px;color:var(--body)}
ul.checks li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--green);font-weight:800}

.tldr{background:var(--soft-2);border-left:4px solid var(--teal);border-radius:8px;padding:16px 20px;margin:0 0 26px;font-size:15.5px;color:var(--ink)}
.tldr b{color:var(--teal-d)}

@media(max-width:860px){
  .g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .navlinks{display:none}.menu-btn{display:block}
  .stats{grid-template-columns:1fr;gap:26px}
  .proof{padding:32px 24px}
  section{padding:48px 0}
}
@media(prefers-color-scheme:dark){
  :root{--bg:#0b1620;--ink:#eaf1f4;--body:#c2cfd7;--muted:#8ea1ad;--line:#20313d;--soft:#0f1f2b;--soft-2:#122733}
  body{background:var(--bg)}
  header.site{background:rgba(11,22,32,.85)}
  .card,.step,.leadbox,.faq details,.chat-panel,.chat-in{background:#0f1f2b}
  .field input,.field textarea,.chat-in input{background:#0b1620;color:var(--ink)}
  .brand,h1,h2,h3,h4{color:var(--ink)}
}

/* chat quick-reply buttons */
.quicks{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.quick{background:#fff;border:1.5px solid var(--teal);color:var(--teal-d);border-radius:999px;
  padding:8px 14px;font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s}
.quick:hover{background:var(--teal);color:#fff}
.msg.bot a.btn-wa{color:#fff}
@media(prefers-color-scheme:dark){.quick{background:#0f1f2b}}
/* solutions/industries grids reuse .grid; small pieces */
.hublink{font-weight:700;color:var(--teal-d);font-size:14px}
.matrix{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{background:var(--soft-2);color:var(--teal-d);font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;text-decoration:none}
.chip:hover{background:var(--teal);color:#fff;text-decoration:none}