:root{
  --bg:#eef1f5;
  --surface:#ffffff;
  --text:#1a2234;
  --muted:#5a6477;
  --brand:#2d64ff;
  --brand-2:#26d0ce;
  --brand-dark:#1843bf;
  --border:#d9e0ec;
  --max:1120px;
  --radius:18px;
  --shadow:0 10px 30px rgba(20,30,60,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;border-radius:14px}
.wrap{width:min(100% - 2rem,var(--max));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:0;background:#111;color:#fff;padding:.5rem .75rem;border-radius:0 0 .4rem .4rem}
.skip-link:focus{left:1rem;z-index:999}

.site-header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:20;
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:.85rem 0;
}
.logo{font-weight:800;font-size:1.1rem;color:#111e3f}
.logo:hover{text-decoration:none}
.menu-toggle{
  display:none;
  border:1px solid #d8e2f9;
  background:#f4f7ff;
  color:#173260;
  border-radius:10px;
  padding:.48rem .62rem;
  font-weight:700;
  cursor:pointer;
}
.menu-toggle:hover{background:#e8efff}
.primary-nav ul{display:flex;list-style:none;margin:0;padding:0;gap:.9rem;flex-wrap:wrap}
.primary-nav a{font-weight:600;color:#22375e}

.cta-link,.btn-secondary{
  display:inline-block;
  padding:.75rem 1.05rem;
  border-radius:999px;
  font-weight:700;
}
.cta-link{background:var(--brand);color:#fff}
.cta-link:hover{background:var(--brand-dark);text-decoration:none}
.btn-secondary{background:#edf3ff;color:#1b3667}
.btn-secondary:hover{text-decoration:none;background:#dde8ff}

.hero{
  background:linear-gradient(105deg,#f7b267 0%,#c88bcb 52%,#8a73ff 100%);
  padding:3.2rem 0;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:2rem;
  align-items:center;
}
.hero-copy h1{
  margin:.2rem 0 1rem;
  line-height:1.2;
  font-size:clamp(1.9rem,4.8vw,3.1rem);
  color:#17213a;
}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.82rem;
  font-weight:800;
  color:#20345b;
}
.lede{color:#2f3d5f;font-size:1.05rem}
.hero-actions{display:flex;gap:.7rem;flex-wrap:wrap}
.device-card{
  background:transparent;
  border:none;
  border-radius:0;
  padding:0;
  box-shadow:none;
}
.device-card img{border-radius:0}

.panel{
  padding:2.8rem 0;
}
.panel-white{background:#fff}
.panel-gradient{
  background:linear-gradient(110deg,#a2a4d9 0%,#f2b176 100%);
}
.split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:2rem;
  align-items:center;
}
.content-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:1.2rem 1.35rem;
}
.content-card h2{margin-top:0;line-height:1.3}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1rem;
}
.feature-item{
  background:#fff;
  border:1px solid rgba(255,255,255,.45);
  border-radius:16px;
  padding:1.05rem;
  box-shadow:var(--shadow);
}
.feature-item h3{margin:.15rem 0 .45rem}

.home-article{
  padding:2.8rem 0;
}
.article-shell{padding:2rem 0 3rem}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 290px;
  gap:1.2rem;
  align-items:start;
}
.article{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:1.35rem 1.45rem;
}
.article h2,.article h3{line-height:1.3}
.article h2{margin-top:1.9rem}
.article ul,.article ol{padding-left:1.15rem}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.toc,.related{padding:1rem}
.toc h2,.related h2{margin-top:0;font-size:1.05rem}
.toc ul,.related ul{list-style:none;padding:0;margin:0}
.toc li,.related li{margin:.45rem 0}

.breadcrumb{font-size:.92rem;margin:.35rem 0 1rem}
.breadcrumb ol{display:flex;list-style:none;padding:0;margin:0;gap:.35rem;flex-wrap:wrap}
.breadcrumb li+li:before{content:"/";margin-right:.35rem;color:#7e8aa5}

.faq-wrap{
  text-align:center;
  padding:2.5rem 0;
  background:#fff;
}
.faq-wrap h2{margin-top:0}
.faq{
  max-width:820px;
  margin:1rem auto 0;
  text-align:left;
}
.faq details{
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  padding:.82rem;
  margin:.65rem 0;
}
.faq summary{cursor:pointer;font-weight:700}

.cluster-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1rem;
}
.cluster-grid article{padding:1rem}

.site-footer{
  margin-top:1rem;
  padding:1.7rem 0;
  border-top:1px solid var(--border);
  background:#fff;
}
.muted{color:var(--muted)}

@media (max-width:960px){
  .hero-grid,.split,.feature-grid,.article-grid,.cluster-grid{grid-template-columns:1fr}
  .site-header{position:static}
  .hero{padding:2.5rem 0}
  .header-row{
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:.7rem;
  }
  .logo{
    display:block;
  }
  .menu-toggle{
    display:inline-block;
    margin-left:auto;
  }
  .primary-nav{
    display:none;
    width:100%;
    order:3;
  }
  .primary-nav.is-open{
    display:block;
  }
  .primary-nav ul{
    width:100%;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:.55rem .7rem;
  }
  .primary-nav a{
    display:block;
    text-align:center;
    background:#f1f5ff;
    border:1px solid #dce6ff;
    border-radius:12px;
    padding:.55rem .6rem;
    font-size:.98rem;
  }
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
}