:root{
  --ink:#071827;
  --navy:#0b2a44;
  --blue:#145a9e;
  --cyan:#19b8d8;
  --teal:#2cc6a2;
  --lime:#a4e45c;
  --violet:#6545ff;
  --mist:#f4f8fb;
  --card:#ffffff;
  --muted:#587084;
  --line:rgba(7,24,39,.12);
  --shadow:0 24px 70px rgba(7,24,39,.16);
  --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.55;
  overflow-x:hidden;
}
a{color:inherit}
.skip{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;color:#000;padding:10px 14px;border-radius:10px;z-index:20}
.site-header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:blur(18px);
  background:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(7,24,39,.08);
}
.nav{
  max-width:1180px;margin:auto;padding:14px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:850;letter-spacing:.02em}
.brand img{width:46px;height:46px;object-fit:contain;border-radius:10px}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px;color:#29465b}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--blue)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;padding:13px 20px;text-decoration:none;
  font-weight:800;letter-spacing:.01em;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  color:#fff;box-shadow:0 14px 32px rgba(20,90,158,.26);
}
.btn.secondary{background:#fff;color:var(--navy);box-shadow:inset 0 0 0 1px rgba(7,24,39,.16)}
.hero{
  position:relative;isolation:isolate;min-height:760px;
  background:
    radial-gradient(circle at 18% 22%,rgba(25,184,216,.55),transparent 26%),
    radial-gradient(circle at 84% 16%,rgba(101,69,255,.42),transparent 24%),
    radial-gradient(circle at 80% 78%,rgba(44,198,162,.45),transparent 28%),
    linear-gradient(135deg,#061827 0%,#0b2a44 42%,#123e66 100%);
  color:#fff;overflow:hidden;
}
.hero:before{
  content:"";position:absolute;inset:-20%;z-index:-1;opacity:.42;
  background-image:
    linear-gradient(rgba(255,255,255,.11) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.11) 1px,transparent 1px);
  background-size:64px 64px;
  transform:rotate(-7deg);
}
.hero:after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(circle at center,transparent 0 38%,rgba(6,24,39,.38) 80%);
}
.hero-inner{
  max-width:1180px;margin:auto;padding:96px 22px 70px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 12px;border:1px solid rgba(255,255,255,.2);
  border-radius:999px;background:rgba(255,255,255,.08);
  color:#dff9ff;font-weight:760;font-size:13px;
}
.kicker span{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 24px var(--lime)}
h1{
  font-size:clamp(46px,7vw,84px);line-height:.95;margin:24px 0 24px;letter-spacing:-.06em;
}
.hero p.lead{font-size:clamp(18px,2vw,23px);max-width:680px;color:#d9e9f4;margin:0 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.trust-row{display:flex;gap:14px;flex-wrap:wrap;color:#cbe0ec;font-size:14px}
.trust-row strong{color:#fff}
.logo-stage{
  position:relative;margin:auto;max-width:500px;width:100%;aspect-ratio:1/1;
  display:grid;place-items:center;
}
.orb{
  position:absolute;inset:0;border-radius:50%;
  background:linear-gradient(135deg,rgba(255,255,255,.22),rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.22);
  box-shadow:inset 0 0 70px rgba(255,255,255,.08),0 40px 90px rgba(0,0,0,.32);
}
.logo-card{
  width:min(78%,380px);border-radius:34px;background:#fff;padding:34px;
  box-shadow:var(--shadow);transform:rotate(-2deg);
}
.logo-card img{width:100%;display:block}
.node{position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 0 30px rgba(25,184,216,.85)}
.node.n1{top:14%;left:24%}.node.n2{top:24%;right:12%}.node.n3{bottom:16%;right:24%}.node.n4{bottom:28%;left:10%}
.pulse-line{position:absolute;width:140px;height:2px;background:linear-gradient(90deg,transparent,#fff,transparent);opacity:.55}
.pulse-line.l1{top:22%;left:25%;transform:rotate(22deg)}
.pulse-line.l2{right:14%;bottom:27%;transform:rotate(-34deg)}
section{padding:86px 22px}
.wrap{max-width:1180px;margin:auto}
.section-head{max-width:790px;margin-bottom:34px}
.eyebrow{color:var(--blue);font-weight:900;text-transform:uppercase;font-size:13px;letter-spacing:.16em}
h2{font-size:clamp(32px,4.2vw,56px);line-height:1.02;margin:10px 0 16px;letter-spacing:-.045em}
.section-head p{font-size:19px;color:var(--muted);margin:0}
.challenge{background:linear-gradient(180deg,#fff,var(--mist))}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.problem-card{
  padding:32px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:0 16px 45px rgba(7,24,39,.07)
}
.problem-card.dark{
  background:linear-gradient(135deg,var(--navy),#113d64);color:#fff;border:0;
}
.problem-card.dark p,.problem-card.dark li{color:#d8e7f0}
.problem-card ul{margin:18px 0 0;padding:0;list-style:none}
.problem-card li{padding:10px 0 10px 28px;position:relative;color:#425a6d}
.problem-card li:before{content:"";position:absolute;left:0;top:18px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--teal))}
.pillars{background:#fff}
.pillar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pillar{
  position:relative;overflow:hidden;min-height:260px;padding:26px;border-radius:var(--radius);
  color:#fff;background:linear-gradient(135deg,#123e66,#1975aa);
}
.pillar:nth-child(2){background:linear-gradient(135deg,#0b766d,#2cc6a2)}
.pillar:nth-child(3){background:linear-gradient(135deg,#3e37a7,#6545ff)}
.pillar:nth-child(4){background:linear-gradient(135deg,#0b2a44,#19b8d8)}
.pillar:after{content:"";position:absolute;right:-55px;bottom:-55px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.16)}
.icon{
  width:58px;height:58px;border-radius:18px;background:rgba(255,255,255,.16);
  display:grid;place-items:center;margin-bottom:26px;
}
.icon svg{width:32px;height:32px;stroke:#fff;stroke-width:2;fill:none}
.pillar h3{font-size:25px;margin:0 0 12px}
.pillar p{color:#eaf8ff;margin:0}
.journey{background:#071827;color:#fff;position:relative;overflow:hidden}
.journey:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(25,184,216,.25),transparent 30%),radial-gradient(circle at 80% 80%,rgba(101,69,255,.25),transparent 28%)}
.journey .wrap{position:relative}
.flow{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:36px;
}
.flow-step{position:relative;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:22px;min-height:170px}
.flow-step b{font-size:20px}
.flow-step p{color:#cddde8}
.flow-step:not(:last-child):after{content:"→";position:absolute;right:-17px;top:50%;transform:translateY(-50%);font-size:28px;color:var(--cyan);font-weight:900}
.usecases{background:#f5f8fb}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case{
  background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);
  transition:.25s transform,.25s box-shadow
}
.case:hover{transform:translateY(-5px);box-shadow:0 20px 50px rgba(7,24,39,.12)}
.case h3{margin:0 0 8px;font-size:22px}
.case p{color:var(--muted);margin:0}
.tech{background:#fff}
.tech-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;
  background:linear-gradient(135deg,#edf8ff,#f7f4ff);
  border:1px solid rgba(7,24,39,.08);border-radius:34px;padding:34px;
}
.feature-list{display:grid;gap:14px}
.feature{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:18px;padding:18px;border:1px solid rgba(7,24,39,.08)
}
.tick{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900}
.visual-map{min-height:380px;border-radius:28px;background:#0b2a44;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.visual-map:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.52) 2px,transparent 3px);background-size:58px 58px;opacity:.4}
.bubble{position:absolute;border-radius:999px;background:#fff;color:#0b2a44;padding:12px 16px;font-weight:800;box-shadow:0 18px 36px rgba(0,0,0,.22)}
.b1{top:42px;left:38px}.b2{top:118px;right:32px}.b3{bottom:102px;left:62px}.b4{bottom:44px;right:78px}
.faq{background:#f5f8fb}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
details{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}
summary{font-weight:850;cursor:pointer}
details p{color:var(--muted)}
.cta-section{padding:90px 22px;background:linear-gradient(135deg,#123e66,#0b2a44);color:#fff;text-align:center}
.cta-box{max-width:880px;margin:auto}
.cta-section h2{font-size:clamp(38px,5vw,68px)}
.cta-section p{color:#d7e7f0;font-size:19px}
.footer{background:#061827;color:#b9cedb;padding:36px 22px}
.footer-inner{max-width:1180px;margin:auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer a{color:#fff}
@media(max-width:900px){
  .hero-inner,.problem-grid,.tech-panel{grid-template-columns:1fr}
  .pillar-grid,.case-grid,.flow,.faq-grid{grid-template-columns:1fr}
  .flow-step:not(:last-child):after{display:none}
  .nav-links{display:none}
  .hero{min-height:auto}
  section{padding:64px 18px}
}


/* V2 refinement: cleaner header and more useful diagrams */
.site-header{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid rgba(11,42,68,.10);
  box-shadow:0 8px 28px rgba(7,24,39,.06);
}
.nav{padding:12px 22px}
.brand img{
  width:64px;
  height:64px;
  background:#fff;
  border:1px solid rgba(11,42,68,.10);
  padding:4px;
  border-radius:16px;
  box-shadow:0 8px 24px rgba(7,24,39,.10);
}
.brand-word{
  font-size:18px;
  color:#0b2a44;
  letter-spacing:-.02em;
}
.nav-links{
  background:#f3f8fb;
  padding:8px;
  border-radius:999px;
  border:1px solid rgba(11,42,68,.08);
}
.nav-links a{
  padding:9px 12px;
  border-radius:999px;
  font-weight:750;
}
.nav-links a:hover{
  background:#fff;
  box-shadow:0 6px 16px rgba(7,24,39,.08);
}
.nav-links .nav-cta{
  background:#0b2a44;
  color:#fff;
  padding:10px 17px;
}
.nav-links .nav-cta:hover{background:#145a9e;color:#fff}

.hero-inner{
  grid-template-columns:1fr .9fr;
}
.hero-panel{
  position:relative;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.20);
  border-radius:36px;
  padding:26px;
  box-shadow:0 38px 90px rgba(0,0,0,.28);
  backdrop-filter:blur(16px);
}
.hero-logo{
  background:#fff;
  border-radius:26px;
  padding:22px;
  margin-bottom:18px;
  box-shadow:0 20px 50px rgba(0,0,0,.20);
}
.hero-logo img{display:block;width:100%;max-width:360px;margin:auto}
.signal-stack{display:grid;gap:12px}
.signal-card{
  display:grid;
  grid-template-columns:46px 1fr;
  gap:6px 12px;
  align-items:center;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:18px;
  padding:15px;
}
.signal-card span{
  grid-row:span 2;
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.18);
  color:#fff;font-weight:900;
}
.signal-card strong{color:#fff}
.signal-card em{font-style:normal;color:#d7e7f0;font-size:14px}
.signal-card.active{background:linear-gradient(135deg,rgba(25,184,216,.45),rgba(101,69,255,.28))}
.insight-box{
  margin-top:16px;
  background:#fff;
  color:#0b2a44;
  border-radius:22px;
  padding:20px;
}
.insight-box b{font-size:20px}
.insight-box p{margin:.25rem 0 0;color:#587084}

.operating-model{
  display:grid;
  grid-template-columns:1fr 320px 1fr;
  gap:22px;
  align-items:stretch;
  margin-top:34px;
}
.model-column,.model-core{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:28px;
  padding:26px;
}
.model-column h3,.model-core h3{margin-top:0}
.model-column ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.model-column li{
  padding:13px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.10);
  color:#d8e7f0;
}
.model-core{
  display:grid;
  place-items:center;
  text-align:center;
  background:linear-gradient(135deg,rgba(25,184,216,.24),rgba(101,69,255,.24));
}
.core-ring{
  width:220px;
  height:220px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:
    radial-gradient(circle at center,#071827 0 48%,transparent 49%),
    conic-gradient(from 20deg,#19b8d8,#6545ff,#2cc6a2,#19b8d8);
  box-shadow:0 26px 70px rgba(0,0,0,.30);
}
.core-ring span{
  display:grid;
  place-items:center;
  width:150px;
  height:150px;
  border-radius:50%;
  background:#fff;
  color:#0b2a44;
  font-weight:950;
  line-height:1.05;
  letter-spacing:-.03em;
}
.model-core p{color:#d8e7f0;margin:18px 0 0}

.scenario-panel{
  background:#0b2a44;
  color:#fff;
  border-radius:28px;
  padding:26px;
  min-height:380px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.scenario-panel h3{font-size:28px;margin:0 0 18px}
.scenario-step{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:16px;
  margin:12px 0;
  display:grid;
  gap:4px;
}
.scenario-step b{color:#9be9ff}
.scenario-step span{color:#d8e7f0}

@media(max-width:980px){
  .operating-model{grid-template-columns:1fr}
  .hero-inner{grid-template-columns:1fr}
}