:root{
  --navy:#0f2747; --blue:#0052cc; --blue-d:#003d99; --blue-l:#eaf1fb; --ink:#1a2433; --muted:#5b6b80;
  --bg:#f5f8fc; --card:#fff; --line:#e3e9f0; --teal:#f08a3c; --amber:#b54708; --amber-bg:#fff5ec;
  --grn:#1f7a4d; --grn-bg:#eaf6ef;
  --sh-1:0 1px 2px rgba(15,39,71,.05), 0 6px 18px -10px rgba(15,39,71,.18);
  --sh-2:0 2px 4px rgba(15,39,71,.06), 0 14px 34px -14px rgba(15,39,71,.28);
  --r:14px; --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:74px}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}

/* layout */
.dh-wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.dh-section{padding:74px 0;border-bottom:1px solid var(--line)}
.dh-section:nth-child(even){background:#fafcff}
.dh-h2{font-size:31px;line-height:1.18;margin:0 0 8px;color:var(--navy);letter-spacing:-.01em;font-weight:800}
.dh-h3{font-size:19px;margin:0 0 8px;color:var(--navy);font-weight:700}
.dh-lead{font-size:17px;color:var(--muted);max-width:780px;margin:0 0 28px}
.dh-tag{display:inline-block;background:var(--blue);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:6px;margin-bottom:14px}
.dh-eyebrow{font-size:13px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:9px}
.dh-eyebrow::before{content:"";width:22px;height:2px;background:var(--teal);border-radius:2px}

/* grids + cards */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#c9d8ef}
.card h3{margin:0 0 9px;font-size:18px;color:var(--navy);font-weight:700}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .dh-ico{font-size:23px;margin-bottom:9px;display:block}

/* buttons */
.gc-btn{display:inline-block;border:none;cursor:pointer;font-size:16px;font-weight:700;border-radius:9px;padding:13px 27px;background:var(--blue);color:#fff;font-family:inherit;box-shadow:0 6px 16px -6px rgba(0,82,204,.6);transition:background .2s, transform .15s, box-shadow .2s}
.gc-btn:hover{background:var(--blue-d);transform:translateY(-1px);box-shadow:0 10px 22px -8px rgba(0,82,204,.7)}
.dh-btn{display:inline-block;border:1px solid var(--blue);color:var(--blue);font-weight:600;padding:12px 22px;border-radius:9px;background:#fff;transition:background .2s,color .2s}
.dh-btn:hover{background:var(--blue);color:#fff}

/* notes */
.note{background:var(--amber-bg);border-left:4px solid var(--amber);padding:15px 17px;border-radius:10px;font-size:14px;color:#7a3a06;margin-top:20px}
.note b{color:var(--amber)}
.discl{background:var(--grn-bg);border-left:4px solid var(--grn);padding:15px 17px;border-radius:10px;font-size:14px;color:#15502f;margin-top:20px}
.discl b{color:var(--grn)}

/* badges */
.badge{display:inline-block;background:var(--blue-l);border:1px solid #d4e1f5;border-radius:20px;padding:5px 12px;font-size:13px;font-weight:600;color:var(--navy);margin:3px 5px 3px 0}

/* ===== HERO ===== */
.dh-hero{background:radial-gradient(1200px 500px at 78% -10%, rgba(245,147,60,.22), transparent 60%), linear-gradient(135deg,#0f2747 0%,#16365f 55%,#0f2747 100%);color:#fff;padding:60px 0 46px;position:relative;overflow:hidden}
.dh-hero .dh-wrap{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center}
.dh-hero h2{font-size:40px;line-height:1.12;margin:0 0 16px;color:#fff;font-weight:800;letter-spacing:-.015em}
.dh-hero p.sub{font-size:18px;color:#cdd9ea;margin:0 0 26px;max-width:560px}
.dh-hero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.dh-hero .dh-btn{background:transparent;color:#fff;border-color:#5b86c4}
.dh-hero .dh-btn:hover{background:#fff;color:var(--navy)}
.dh-hero-img{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.18);background:#0b1d36;min-height:300px;box-shadow:0 24px 60px -24px rgba(0,0,0,.6)}
.dh-hero-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* cert bar */
.certbar{background:#0b1d36;border-top:1px solid rgba(255,255,255,.1);padding:16px 0}
.certbar .dh-wrap{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.cert-pill{display:flex;align-items:center;gap:10px;background:#11294a;border:1px solid #234268;border-radius:11px;padding:9px 14px}
.cert-pill .ct{font-size:12px;color:#9fb6d4;display:block;line-height:1.2}
.cert-pill .cv{font-size:15px;font-weight:700;color:#fff;display:block}
.cert-pill .cn{font-size:11px;color:#7f9bc0;font-family:ui-monospace,Menlo,Consolas,monospace}
.stat{text-align:center;min-width:84px}
.stat .sv{font-size:22px;font-weight:800;color:#fff}
.stat .sl{font-size:12px;color:#9fb6d4}

/* subnav */
.dh-subnav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(15,39,71,.05)}
.dh-subnav .dh-wrap{display:flex;gap:6px;flex-wrap:wrap;padding:11px 20px;overflow-x:auto}
.dh-subnav a{font-size:13px;font-weight:600;color:var(--muted);padding:7px 13px;border-radius:20px;white-space:nowrap;transition:background .15s,color .15s}
.dh-subnav a:hover{background:var(--blue-l);color:var(--navy)}
.dh-subnav a.active{background:var(--blue);color:#fff}

/* two-col compare */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1)}
.cmp>div{padding:24px}
.cmp .left{background:var(--blue-l);border-right:2px solid #d4e1f5}
.cmp h3{margin-top:0;color:var(--navy);font-size:19px}
.cmp ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:15px}
.cmp ul li{margin-bottom:8px}

/* light bar */
.bar{height:14px;border-radius:7px;background:#e3e9f0;position:relative;margin:6px 0 4px;overflow:hidden}
.bar>i{position:absolute;left:0;top:0;bottom:0;border-radius:7px;background:linear-gradient(90deg,#f08a3c,#0052cc)}
.barlbl{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}

/* flow (process) */
.flow{display:flex;flex-wrap:wrap;gap:14px;align-items:stretch;margin-top:10px}
.flow .step{flex:1 1 160px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;min-width:150px;position:relative;box-shadow:var(--sh-1);transition:transform .2s, box-shadow .2s}
.flow .step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.flow .step .n{display:inline-block;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:13px;text-align:center;line-height:28px;margin-bottom:10px;box-shadow:0 4px 10px -3px rgba(0,82,204,.6)}
.flow .step b{display:block;color:var(--navy);font-size:15px;margin-bottom:5px;font-weight:700}
.flow .step span{font-size:13px;color:var(--muted)}

/* table */
table.dh-t{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px;box-shadow:var(--sh-1)}
table.dh-t th,table.dh-t td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.dh-t th{background:var(--navy);color:#fff;font-weight:600;letter-spacing:.02em}
table.dh-t tr:last-child td{border-bottom:none}
table.dh-t tbody tr:nth-child(even){background:#f7fafd}
table.dh-t tbody tr:hover{background:var(--blue-l)}

/* case */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:transform .2s, box-shadow .2s}
.case:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case .ch{padding:17px 19px;background:var(--navy);color:#fff;border-top:3px solid var(--teal)}
.case .ch b{font-size:17px;display:block;font-weight:700}
.case .ch span{font-size:13px;color:#bcd0ea}
.case .cb{padding:17px 19px;font-size:14px;color:var(--muted)}
.case .cb .row{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line)}
.case .cb .row:last-child{border-bottom:none}
.case .cb .row b{color:var(--ink);font-weight:600}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:11px;padding:0 18px;margin-bottom:10px;transition:background .2s, border-color .2s;overflow:hidden}
details[open]{background:#fbfdff;border-color:#c9d8ef}
details summary{cursor:pointer;font-weight:600;color:var(--navy);padding:15px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:15.5px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-size:22px;color:var(--blue);font-weight:700;transition:transform .2s}
details[open] summary::after{content:"\2212"}
details .ans{padding:0 0 16px;color:var(--muted);font-size:15px}

/* related */
.rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:11px;padding:17px 19px;color:var(--navy);font-weight:600;transition:border-color .2s, box-shadow .2s, transform .2s}
.rel a:hover{border-color:var(--blue);box-shadow:0 6px 16px -8px rgba(0,82,204,.3);transform:translateY(-2px)}
.rel span{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:4px}

/* cta band */
.cta-band{background:radial-gradient(800px 300px at 80% 0%, rgba(245,147,60,.25), transparent 60%), linear-gradient(135deg,#0f2747,#16365f);color:#fff;border-radius:16px;padding:36px;text-align:center;margin-top:8px;box-shadow:var(--sh-2)}
.cta-band h3{color:#fff;margin:0 0 9px;font-size:24px;font-weight:800}
.cta-band p{color:#cdd9ea;margin:0 0 22px}

/* responsive */
@media(max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .dh-hero .dh-wrap{grid-template-columns:1fr}
  .dh-hero h2{font-size:31px}
  .dh-h2{font-size:25px}
  .grid-2,.grid-3,.grid-4,.cmp{grid-template-columns:1fr}
  .cmp .left{border-right:none;border-bottom:2px solid #d4e1f5}
  .dh-section{padding:54px 0}
}
@media(max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .certbar .dh-wrap{gap:10px}
  .stat{min-width:70px}
}