:root{
  --navy:#0f1f3d;
  --navy2:#172f58;
  --blue:#1769e0;
  --blue2:#0b5bd3;
  --soft-blue:#eaf2ff;
  --surface:#f5f8fc;
  --white:#ffffff;
  --ink:#172033;
  --muted:#647087;
  --line:#dce5f1;
  --green:#087f5b;
  --shadow:0 20px 58px rgba(15,31,61,.11);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
}
a{text-decoration:none;color:inherit}
.container{width:min(1200px,calc(100% - 40px));margin:auto}

.site-header{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--navy);
  font-weight:850;
}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:900;
  background:linear-gradient(145deg,var(--navy),var(--blue));
}
.nav-links{
  display:flex;
  align-items:center;
  gap:20px;
  color:#53627a;
  font-size:14px;
}
.nav-links a:hover{color:var(--blue)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 17px;
  border-radius:11px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:14px;
  font-weight:760;
}
.btn.primary{
  background:var(--blue);
  border-color:var(--blue);
  color:#fff;
}
.btn.dark{
  background:var(--navy);
  border-color:var(--navy);
  color:#fff;
}

.hero{
  padding:84px 0 74px;
  background:
    radial-gradient(circle at 85% 8%,rgba(23,105,224,.18),transparent 34%),
    linear-gradient(180deg,#edf4ff 0%,#f8fafc 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  background:var(--soft-blue);
  border:1px solid #cfddf2;
  color:var(--blue2);
  font-size:13px;
  font-weight:850;
}
.hero h1{
  margin:20px 0;
  max-width:860px;
  color:var(--navy);
  font-size:clamp(44px,5.8vw,68px);
  line-height:1.02;
  letter-spacing:-2.2px;
}
.hero p{
  margin:0;
  max-width:780px;
  color:#53627a;
  font-size:19px;
  line-height:1.68;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-feature{
  padding:28px;
  border:1px solid var(--line);
  border-radius:24px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow);
}
.hero-feature .label{
  display:inline-flex;
  padding:6px 10px;
  margin-bottom:14px;
  border-radius:999px;
  background:#e8f7f1;
  color:var(--green);
  font-size:12px;
  font-weight:850;
}
.hero-feature h2{
  margin:0 0 12px;
  color:var(--navy);
  font-size:27px;
}
.hero-feature p{
  font-size:15px;
  line-height:1.65;
}
.feature-list{
  display:grid;
  gap:10px;
  margin-top:20px;
}
.feature-line{
  padding:13px 14px;
  border-radius:13px;
  background:#f7f9fc;
  border:1px solid #edf1f6;
  font-size:14px;
  line-height:1.5;
}

.content{padding:78px 0}
.section-head{
  max-width:840px;
  margin-bottom:36px;
}
.section-head h2{
  margin:0 0 12px;
  color:var(--navy);
  font-size:36px;
  letter-spacing:-1px;
}
.section-head p{
  margin:0;
  color:var(--muted);
  font-size:17px;
  line-height:1.68;
}
.group{
  margin-top:44px;
}
.group-heading{
  display:flex;
  align-items:center;
  gap:13px;
  margin-bottom:18px;
}
.group-number{
  width:40px;
  height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--soft-blue);
  color:var(--blue);
  font-weight:900;
}
.group-heading h3{
  margin:0;
  color:var(--navy);
  font-size:25px;
}
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.module-card{
  min-height:230px;
  display:flex;
  flex-direction:column;
  padding:24px;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
  box-shadow:0 8px 28px rgba(15,31,61,.05);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.module-card:hover{
  transform:translateY(-4px);
  border-color:#bcd2f3;
  box-shadow:0 18px 42px rgba(15,31,61,.10);
}
.card-icon{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  margin-bottom:17px;
  border-radius:13px;
  background:var(--soft-blue);
  color:var(--blue);
  font-weight:900;
}
.module-card h4{
  margin:0 0 10px;
  color:var(--navy);
  font-size:19px;
}
.module-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.65;
}
.card-link{
  margin-top:auto;
  padding-top:20px;
  color:var(--blue);
  font-size:14px;
  font-weight:800;
}

.ai-section{
  padding:76px 0;
  background:var(--navy);
  color:#fff;
}
.ai-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.ai-section h2{
  margin:0 0 16px;
  font-size:38px;
}
.ai-section p{
  margin:0;
  color:#cbd5e1;
  font-size:17px;
  line-height:1.7;
}
.ai-points{
  display:grid;
  gap:12px;
}
.ai-point{
  padding:16px 18px;
  border-radius:15px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
}
.ai-point strong{
  display:block;
  margin-bottom:5px;
}
.ai-point span{
  color:#cbd5e1;
  font-size:13px;
  line-height:1.55;
}

.detail-hero{
  padding:72px 0 62px;
  background:
    radial-gradient(circle at 85% 10%,rgba(23,105,224,.16),transparent 33%),
    linear-gradient(180deg,#edf4ff,#f8fafc);
}
.breadcrumb{
  margin-bottom:20px;
  color:#607089;
  font-size:13px;
}
.breadcrumb a{color:var(--blue)}
.detail-hero h1{
  margin:0 0 18px;
  max-width:920px;
  color:var(--navy);
  font-size:clamp(40px,5vw,62px);
  line-height:1.04;
  letter-spacing:-1.8px;
}
.detail-hero p{
  max-width:880px;
  margin:0;
  color:#53627a;
  font-size:19px;
  line-height:1.7;
}

.detail-content{padding:76px 0}
.detail-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);
  gap:42px;
  align-items:start;
}
.article-section{
  margin-bottom:42px;
}
.article-section h2{
  margin:0 0 14px;
  color:var(--navy);
  font-size:30px;
}
.article-section h3{
  margin:24px 0 10px;
  color:var(--navy);
  font-size:20px;
}
.article-section p{
  margin:0 0 15px;
  color:#53627a;
  font-size:16px;
  line-height:1.76;
}
.article-section ul{
  margin:16px 0 0;
  padding-left:21px;
  color:#53627a;
}
.article-section li{
  margin:9px 0;
  line-height:1.6;
}
.side-panel{
  position:sticky;
  top:98px;
  padding:24px;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
  box-shadow:var(--shadow);
}
.side-panel h3{
  margin:0 0 15px;
  color:var(--navy);
}
.side-item{
  padding:12px 0;
  border-bottom:1px solid #edf1f6;
}
.side-item:last-child{border-bottom:none}
.side-item strong{
  display:block;
  margin-bottom:4px;
  color:var(--navy);
}
.side-item span{
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}
.cta{
  padding:70px 0;
  background:#eef4ff;
}
.cta-box{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  padding:36px;
  border:1px solid var(--line);
  border-radius:25px;
  background:#fff;
  box-shadow:var(--shadow);
}
.cta-box h2{margin:0 0 8px;color:var(--navy)}
.cta-box p{margin:0;color:var(--muted)}

footer{
  padding:28px 0;
  border-top:1px solid var(--line);
  color:#64748b;
  font-size:13px;
}
.footer-row{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}

@media(max-width:1000px){
  .nav-links{display:none}
  .hero-grid,.ai-grid,.detail-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .side-panel{position:static}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1200px)}
  .hero,.detail-hero{padding:54px 0}
  .hero h1,.detail-hero h1{font-size:40px}
  .cards{grid-template-columns:1fr}
  .cta-box{flex-direction:column;align-items:flex-start;padding:26px}
}