/* ============================================================
   Softsensor.ai — shared stylesheet (light / white theme)
   ============================================================ */
:root{
  --bg:#ffffff;
  --surface:#f5f8fc;      /* light section background */
  --surface2:#eef3fb;
  --ink:#0F1E3D;          /* deep navy — headings & strong text */
  --body:#33405a;         /* body text */
  --grey:#5A6372;         /* muted text */
  --line:#e6ebf3;         /* borders */
  --accent:#2E6BF6;       /* primary blue */
  --accent-2:#1f57db;
  --accent-soft:#eaf0ff;  /* tinted blue surface */
  --green:#1E9E5A;
  --white:#fff;
  --display:'Space Grotesk',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --maxw:1160px;
  --radius:14px;
  --shadow:0 14px 40px rgba(15,30,61,.08);
  --shadow-sm:0 6px 18px rgba(15,30,61,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--body);line-height:1.6;background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.15;letter-spacing:-.02em}
a:focus-visible,.btn:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:84px 0}
.section-head{max-width:720px;margin-bottom:42px}
.kicker{color:var(--accent);font-weight:800;letter-spacing:.09em;text-transform:uppercase;font-size:12.5px}
h2.section{font-size:34px;font-weight:700;margin:12px 0 10px}
.lead{color:var(--grey);font-size:18px}
.center{text-align:center;margin-left:auto;margin-right:auto}
.surface{background:var(--surface)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:13px 24px;border-radius:9px;font-weight:700;font-size:15px;
  transition:.15s;border:1.5px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-light{background:#fff;color:var(--accent)}
.btn-light:hover{background:#f0f5ff}

/* ---------- Header / nav ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;
  font-size:19px;color:var(--ink)}
.brand .dot{width:13px;height:13px;border-radius:4px;background:var(--accent);
  box-shadow:0 0 0 4px rgba(46,107,246,.18)}
.brand .ai{color:var(--accent)}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a:not(.btn){color:var(--body);font-size:14.5px;font-weight:600;padding:6px 0;position:relative}
.navlinks a:not(.btn):hover{color:var(--accent)}
.navlinks a.active{color:var(--accent)}
.navlinks a.active:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px}
.navtoggle{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer;line-height:1}
@media(max-width:900px){
  .navlinks{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:4px;padding:14px 24px 22px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-sm);display:none}
  .navlinks.open{display:flex}
  .navlinks a:not(.btn){width:100%;padding:11px 0;border-bottom:1px solid var(--line)}
  .navlinks .btn{margin-top:10px}
  .navtoggle{display:block}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 80px;
  background:radial-gradient(900px 420px at 80% -10%,var(--accent-soft),transparent 70%),var(--bg)}
.hero .tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--accent);
  background:var(--accent-soft);border:1px solid #d4e0ff;padding:6px 13px;border-radius:999px;margin-bottom:22px;letter-spacing:.02em}
.hero h1{font-size:54px;font-weight:700;max-width:960px;letter-spacing:-.03em}
.hero h1 .hl{color:var(--accent)}
.hero p.sub{font-size:20px;color:var(--grey);margin:22px 0 30px;max-width:680px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero .micro{margin-top:24px;color:var(--grey);font-size:13.5px;font-weight:600}
.page-hero{padding:72px 0 36px;background:radial-gradient(800px 360px at 85% -20%,var(--accent-soft),transparent 70%),var(--bg)}
.page-hero h1{font-size:44px;font-weight:700;letter-spacing:-.03em}
.page-hero p{color:var(--grey);font-size:19px;max-width:720px;margin-top:14px}
@media(max-width:640px){.hero h1{font-size:38px}.page-hero h1{font-size:34px}}

/* ---------- Stat row ---------- */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:46px}
.stats .stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;box-shadow:var(--shadow-sm)}
.stats .stat .big{font-family:var(--display);font-size:30px;font-weight:700;color:var(--ink)}
.stats .stat .lbl{font-size:13px;color:var(--grey);margin-top:4px;font-weight:600}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:420px){.stats{grid-template-columns:1fr 1fr}}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d7e2f7}
.card .ic{width:44px;height:44px;border-radius:10px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:15px;font-weight:800}
.card .num{font-family:var(--display);font-weight:700;color:var(--accent);font-size:14px;letter-spacing:.04em}
.card h3{font-size:18.5px;margin:6px 0 8px}
.card p{color:var(--grey);font-size:14.5px}
.card .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.tagchip{font-size:11.5px;font-weight:600;color:var(--body);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 10px}

/* ---------- Service detail blocks ---------- */
.svc{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.svc + .svc{margin-top:26px}
.svc .svc-top{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding:26px 28px;background:var(--surface);border-bottom:1px solid var(--line)}
.svc .svc-num{font-family:var(--display);font-weight:700;font-size:26px;color:#fff;background:var(--accent);
  width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center}
.svc .svc-top h3{font-size:22px}
.svc .svc-top p{color:var(--grey);font-size:15px;margin-top:3px}
.svc .svc-body{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;padding:28px}
@media(max-width:820px){.svc .svc-body{grid-template-columns:1fr;gap:22px}}
.feature-list{list-style:none}
.feature-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line);font-size:15px;color:var(--body)}
.feature-list li:last-child{border-bottom:0}
.feature-list li:before{content:"";position:absolute;left:2px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.svc-side h4{font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--grey);margin-bottom:12px}
.svc-side .tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}
.outcomes{display:grid;grid-template-columns:1fr;gap:10px}
.outcomes .o{background:var(--accent-soft);border:1px solid #d9e4ff;border-radius:10px;padding:12px 14px}
.outcomes .o b{font-family:var(--display);color:var(--accent);font-size:19px;display:block}
.outcomes .o span{font-size:13px;color:var(--body)}

/* ---------- Value chain ---------- */
.chain{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:820px){.chain{grid-template-columns:1fr}}
.chain .stage{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.chain .stage .n{font-family:var(--display);font-weight:700;color:var(--accent);font-size:14px}
.chain .stage h3{font-size:19px;margin:6px 0 2px}
.chain .stage .phase{color:var(--grey);font-size:13px;font-weight:600;margin-bottom:14px}
.chain .stage ul{list-style:none;margin-bottom:14px}
.chain .stage li{position:relative;padding:5px 0 5px 18px;font-size:14px;color:var(--body)}
.chain .stage li:before{content:"›";position:absolute;left:0;color:var(--accent);font-weight:800}
.chain .stage .kpi{display:flex;gap:8px;flex-wrap:wrap}
.chain .stage .kpi span{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:5px 9px;font-size:12px;font-weight:600;color:var(--ink)}

/* ---------- Case study cards ---------- */
.cs{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.cs .cs-head{padding:22px 24px;border-bottom:1px solid var(--line);background:var(--surface)}
.cs .cs-cat{font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--accent)}
.cs .cs-head h3{font-size:19px;margin:8px 0 6px}
.cs .meta{font-size:12.5px;color:var(--grey);font-weight:600}
.cs .cs-body{padding:22px 24px;display:flex;flex-direction:column;gap:14px;flex:1}
.cs .blk b{display:block;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey);margin-bottom:5px}
.cs .blk p{font-size:14px;color:var(--body)}
.cs .impact{margin-top:auto;display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line);padding-top:16px}
.cs .impact .m b{font-family:var(--display);color:var(--accent);font-size:18px;display:block}
.cs .impact .m span{font-size:12px;color:var(--grey)}

/* ---------- Industries ---------- */
.ind{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.15s}
.ind:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.ind .ic{font-size:26px;margin-bottom:12px}
.ind h3{font-size:18px;margin-bottom:7px}
.ind p{font-size:14px;color:var(--grey)}

/* ---------- Logos / ecosystem ---------- */
.logo-group{margin-top:30px}
.logo-group h4{font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--grey);margin-bottom:14px}
.logos{display:flex;flex-wrap:wrap;gap:10px}
.logos span{background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 15px;font-size:14px;font-weight:600;color:var(--ink)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,#0c1830,#16335f);border-radius:22px;padding:54px 46px;text-align:center;color:#fff}
.cta-band h2{color:#fff;font-size:32px;font-weight:700}
.cta-band p{color:#c7d3ea;margin:14px auto 26px;max-width:560px;font-size:17px}
@media(max-width:640px){.cta-band{padding:38px 24px}}

/* ---------- Split / why ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:30px}}
.why-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){.why-list{grid-template-columns:1fr}}
.why{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.why .n{font-family:var(--display);font-weight:700;color:var(--accent);font-size:14px}
.why h4{font-size:16.5px;margin:6px 0 6px}
.why p{font-size:14px;color:var(--grey)}

/* ---------- Offices ---------- */
.offices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.offices{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.offices{grid-template-columns:1fr}}
.office{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.office .city{font-family:var(--display);font-weight:700;color:var(--ink);font-size:18px}
.office .role{font-size:13px;color:var(--accent);font-weight:600;margin-top:2px}
.office .hq{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.05em;background:var(--accent);color:#fff;border-radius:5px;padding:2px 7px;margin-left:6px;vertical-align:middle}

/* ---------- Contact form ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start}
@media(max-width:880px){.contact-grid{grid-template-columns:1fr;gap:32px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;border:1.5px solid var(--line);border-radius:10px;
  padding:12px 14px;font:inherit;font-size:15px;color:var(--ink);background:#fff;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{min-height:130px;resize:vertical}
.contact-info{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px}
.contact-info .row{padding:14px 0;border-bottom:1px solid var(--line)}
.contact-info .row:last-child{border-bottom:0}
.contact-info .row b{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey);margin-bottom:4px}
.contact-info .row a,.contact-info .row span{color:var(--ink);font-weight:600;font-size:15px}

/* ---------- Footer ---------- */
footer.site{background:var(--ink);color:#a9b6d0;padding:54px 0 26px;font-size:14px}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:820px){footer.site .cols{grid-template-columns:1fr 1fr;gap:26px}}
@media(max-width:480px){footer.site .cols{grid-template-columns:1fr}}
footer.site .brand{color:#fff}
footer.site .brand .ai{color:var(--accent-2)}
footer.site p.tag{margin-top:12px;max-width:280px;color:#8a97b5;font-size:13.5px;line-height:1.6}
footer.site h5{color:#fff;font-family:var(--display);font-size:13px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:14px}
footer.site ul{list-style:none}
footer.site li{margin-bottom:9px}
footer.site a:hover{color:#fff}
footer.site .foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;color:#71809e;font-size:13px}
.badge-ms{display:inline-block;margin-top:16px;font-size:12px;font-weight:700;color:#bcd0ff;border:1px solid rgba(188,208,255,.3);border-radius:999px;padding:5px 12px}

/* utilities */
.mt-0{margin-top:0}.mt-s{margin-top:18px}.mb-s{margin-bottom:18px}
.eyebrow-light{color:var(--accent)}