/* ============================================================
   Ten One Group Limited - public site
   Deep navy #12233f + accent blue #1D4ED8, matching the OIS app
   ============================================================ */
:root{
  --brand:#12233f;
  --brand-2:#1e3a63;
  --accent:#1D4ED8;
  --accent-soft:#EFF6FF;
  --green:#10B981;
  --amber:#B45309;
  --text:#334155;
  --muted:#64748b;
  --line:#e5e8f0;
  --soft:#f8fafc;
  --max:1160px;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--brand);line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(30px,4.4vw,46px);letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.01em}
h3{font-size:19px}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.lead{font-size:17px;color:var(--muted)}
.center{text-align:center}
.mt-0{margin-top:0}

/* ------------------------------------------------------- header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-bar{max-width:var(--max);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:1;min-width:0}
.brand img{width:38px;height:38px}
.brand-name{font-weight:700;color:var(--brand);font-size:16px;line-height:1.2}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{
  padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--text);text-decoration:none;
}
.nav-links a:hover{background:var(--soft);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--accent);background:var(--accent-soft);font-weight:600}
.nav-cta{
  padding:9px 16px;border-radius:10px;background:var(--accent);color:#fff !important;font-weight:600;font-size:14.5px;
}
.nav-cta:hover{background:#2560d8;text-decoration:none}
.nav-toggle{display:none}
.nav-btn{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-btn span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-btn span::before,.nav-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-btn span::before{top:-6px}.nav-btn span::after{top:6px}

@media(max-width:860px){
  .nav-btn{display:flex}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:8px;gap:2px;box-shadow:var(--shadow);
  }
  .nav-toggle:checked ~ .nav-links{display:flex}
  .nav-links a{padding:12px 14px;font-size:15.5px}
  .nav-cta{text-align:center;margin-top:4px}
  .brand-sub{display:none}
}

/* ------------------------------------------------------- hero */
.hero{background:linear-gradient(160deg,#12233f 0%,#1e3a63 55%,#24486f 100%);color:#fff;padding:76px 0 68px}
.hero h1{color:#fff}
.hero .lead{color:#c7d8f5;font-size:18px;max-width:760px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:28px}}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px}
.hero-badges span{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#e6eefc;border-radius:999px;padding:5px 13px;font-size:13px;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:12px;
  font-weight:600;font-size:15.5px;text-decoration:none;border:1px solid transparent;
}
.btn-primary{background:#fff;color:var(--brand)}
.btn-primary:hover{background:#eaf1ff;text-decoration:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.1);text-decoration:none}
.btn-blue{background:var(--accent);color:#fff}
.btn-blue:hover{background:#2560d8;text-decoration:none}
.hero-figure{border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 44px rgba(0,0,0,.32)}

/* ------------------------------------------------------- stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-38px;position:relative;z-index:2}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-size:28px;color:var(--accent);line-height:1.1}
.stat span{font-size:13px;color:var(--muted)}

/* ------------------------------------------------------- sections */
section{padding:64px 0}
.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-head .lead{margin-top:10px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);height:100%;
}
.card h3{margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:0}
.card .num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;
  background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:15px;margin-bottom:12px;
}
.card-media{border-radius:10px;overflow:hidden;margin-bottom:16px}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
ul.checks{list-style:none;padding:0;margin:14px 0 0}
ul.checks li{padding-left:26px;position:relative;font-size:14.5px;color:var(--muted);margin-bottom:8px}
ul.checks li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
ul.plain{padding-left:20px;margin:12px 0 0;font-size:14.5px;color:var(--muted)}
ul.plain li{margin-bottom:6px}

/* ------------------------------------------------------- split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:28px}}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* ------------------------------------------------------- services list */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
@media(max-width:760px){.svc{grid-template-columns:1fr}}
.svc-item{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.svc-item:nth-child(2n){border-right:0}
.svc-item h3{display:flex;align-items:center;gap:10px}
.svc-item .tag{
  font-size:11px;font-weight:700;color:var(--accent);background:var(--accent-soft);
  border-radius:6px;padding:3px 8px;letter-spacing:.03em;
}
.svc-media{border-radius:10px;overflow:hidden;margin:14px 0 16px}
.svc-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.svc-item p{font-size:14.5px;color:var(--muted)}

/* ------------------------------------------------------- FAQ */
details{border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px;background:#fff}
details summary{cursor:pointer;font-weight:600;color:var(--brand);font-size:16px}
details[open] summary{margin-bottom:10px}
details p{font-size:14.5px;color:var(--muted);margin:0}

/* ------------------------------------------------------- CTA */
.cta{background:linear-gradient(160deg,#12233f,#24486f);color:#fff;text-align:center;padding:66px 0}
.cta h2{color:#fff}
.cta p{color:#c7d8f5;max-width:640px;margin:0 auto 26px}

/* ------------------------------------------------------- footer */
footer{background:#0d1b31;color:#94a3b8;padding:48px 0 28px;font-size:14px}
footer h4{color:#fff;font-size:14px;margin:0 0 12px;letter-spacing:.04em;text-transform:uppercase}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
@media(max-width:820px){.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.f-grid{grid-template-columns:1fr}}
footer a{color:#cbd5e1}
footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
footer .f-brand img{width:34px;height:34px}
footer .f-brand b{color:#fff;font-size:15px}
.f-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}

/* ------------------------------------------------------- misc */
.breadcrumb{font-size:13px;color:var(--muted);padding:14px 0 0}
.breadcrumb a{color:var(--muted)}
.page-hero{padding:52px 0 20px;border-bottom:1px solid var(--line);background:var(--soft)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;border-radius:8px;z-index:99}
.table-wrap{overflow-x:auto}
table.facts{width:100%;border-collapse:collapse;font-size:14.5px}
table.facts th,table.facts td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left}
table.facts th{color:var(--brand);background:var(--soft);width:200px}
@media print{.site-header,.cta,footer .f-grid{display:none}}