/* ==========================================================================
   NetIO Limited — site stylesheet
   ========================================================================== */

:root{
  --ink:#16233b;
  --ink-soft:#475876;
  --muted:#6b7c97;
  --line:#e7edf5;
  --bg:#ffffff;
  --bg-soft:#f6f9fd;
  --bg-tint:#eef4fc;
  --brand:#2563eb;
  --brand-2:#06b6d4;
  --brand-ink:#1746b0;
  --ok:#0d9f6e;
  --radius:18px;
  --shadow:0 1px 2px rgba(22,35,59,.04), 0 12px 30px rgba(22,35,59,.06);
  --shadow-sm:0 1px 2px rgba(22,35,59,.05), 0 6px 18px rgba(22,35,59,.05);
  --grad:linear-gradient(135deg,var(--brand),var(--brand-2));
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;margin:0}
p{margin:0}
img,svg{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--brand-ink);
  background:var(--bg-tint);padding:6px 12px;border-radius:999px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:20px;letter-spacing:-.02em;flex:0 0 auto}
.brand .logo{width:34px;height:34px;display:block;flex:0 0 34px}
.brand .tld{color:var(--muted);font-weight:600}
.menu{display:flex;align-items:center;gap:28px}
.menu a{font-size:15px;color:var(--ink-soft);font-weight:500;transition:color .15s;white-space:nowrap}
.menu a:hover{color:var(--brand)}
.menu a.active{color:var(--ink);font-weight:600}
.menu a.btn,.menu a.btn:hover{color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:11px;padding:11px 18px;
  border:1px solid transparent;cursor:pointer;transition:transform .12s ease, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(37,99,235,.34);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#cdd9ea;background:var(--bg-soft)}
.btn-light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-light:hover{background:rgba(255,255,255,.26);color:#fff}

/* mobile nav */
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:11px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--ink);flex:0 0 44px;
}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle .ic-close{display:none}
.nav-toggle[aria-expanded="true"] .ic-open{display:none}
.nav-toggle[aria-expanded="true"] .ic-close{display:block}

/* ---------- Hero (home) ---------- */
.hero{padding:0;position:relative;overflow:hidden;background:
    radial-gradient(900px 420px at 80% -10%, #e7f0ff 0%, rgba(231,240,255,0) 60%),
    radial-gradient(800px 420px at 0% 0%, #e6fbff 0%, rgba(230,251,255,0) 55%),
    var(--bg);}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:64px 24px 72px}
.hero h1{font-size:52px;font-weight:800;margin:20px 0 0}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:19px;color:var(--ink-soft);margin-top:22px;max-width:44ch}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta b{font-size:20px;font-weight:800;letter-spacing:-.02em}
.hero-meta span{font-size:13px;color:var(--muted)}

/* hero visual card */
.shield-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow);padding:30px;
}
.shield-card .big-logo{width:86px;height:86px;margin-bottom:18px}
.layer{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;
  background:var(--bg-soft);border:1px solid var(--line);margin-top:12px;
}
.layer:first-of-type{margin-top:0}
a.layer{transition:border-color .18s, background .18s, transform .12s ease}
a.layer:hover{border-color:#cdd9ea;background:#fff;transform:translateX(2px)}
.layer .ic{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;display:grid;place-items:center;
  background:var(--bg-tint);color:var(--brand-ink);
}
.layer .ic svg{width:21px;height:21px}
.layer b{font-size:15px;display:block}
.layer small{color:var(--muted);font-size:12.5px}
.pulse{position:absolute;right:24px;top:24px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ok);font-weight:600}
.pulse i{width:9px;height:9px;border-radius:50%;background:#10b981;box-shadow:0 0 0 0 rgba(16,185,129,.5);animation:p 2s infinite}
@keyframes p{0%{box-shadow:0 0 0 0 rgba(16,185,129,.45)}70%{box-shadow:0 0 0 9px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  background:
    radial-gradient(800px 340px at 85% -20%, #e7f0ff 0%, rgba(231,240,255,0) 60%),
    radial-gradient(700px 340px at 0% -10%, #e6fbff 0%, rgba(230,251,255,0) 55%),
    var(--bg);
  border-bottom:1px solid var(--line);
  padding:64px 0 60px;
}
.page-hero h1{font-size:44px;font-weight:800;margin-top:16px;max-width:22ch}
.page-hero p{font-size:18px;color:var(--ink-soft);margin-top:18px;max-width:62ch}
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{margin:0 7px;opacity:.6}

/* ---------- Sections ---------- */
section{padding:80px 0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:36px;font-weight:800;margin-top:14px}
.section-head p{color:var(--ink-soft);font-size:17px;margin-top:14px}
.section-head.left{margin-left:0;text-align:left}
.tint{background:var(--bg-soft)}

.grid{display:grid;gap:22px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);transition:transform .15s ease, box-shadow .2s, border-color .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dbe6f5}
.card .ic{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#fff;margin-bottom:18px;box-shadow:0 8px 18px rgba(37,99,235,.22);
}
.card .ic svg{width:25px;height:25px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{color:var(--ink-soft);font-size:15px}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--ink-soft);font-size:14.5px}
.card ul li{margin:5px 0}
.card .more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:14.5px;font-weight:600;color:var(--brand-ink)}
.card .more svg{width:15px;height:15px}
.card:hover .more{gap:10px}
.tag{display:inline-block;font-size:12px;font-weight:600;color:var(--brand-ink);background:var(--bg-tint);padding:4px 10px;border-radius:999px;margin-bottom:14px}

/* feature list (why) */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 40px;max-width:920px;margin:0 auto}
.why .item{display:flex;gap:16px}
.why .check{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--bg-tint);color:var(--brand);
}
.why .check svg{width:21px;height:21px}
.why h3{font-size:17px;margin-bottom:5px}
.why p{color:var(--ink-soft);font-size:14.5px}

/* markets */
.markets{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.region{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.region h3{font-size:18px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.region h3 .dot{width:9px;height:9px;border-radius:50%;background:var(--grad)}
.region p{font-size:14px;color:var(--muted)}
.seg{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.seg span{font-size:14px;font-weight:500;color:var(--ink-soft);background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px}

/* ---------- Service detail blocks ---------- */
.svc{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow-sm);padding:40px;margin-top:28px;scroll-margin-top:92px;
}
.svc:first-of-type{margin-top:0}
.svc-head{display:flex;gap:20px;align-items:flex-start;margin-bottom:12px}
.svc-head .ic{
  width:56px;height:56px;flex:0 0 56px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(37,99,235,.22);
}
.svc-head .ic svg{width:28px;height:28px}
.svc-head h2{font-size:27px;font-weight:800}
.svc-head .sub{color:var(--muted);font-size:14px;margin-top:5px;font-weight:500}
.svc > p.intro{color:var(--ink-soft);font-size:16.5px;max-width:74ch;margin-top:6px}
.svc-body{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:32px}
.svc-body h4{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:16px}

/* numbered flow */
.flow{list-style:none;margin:0;padding:0;counter-reset:f}
.flow li{position:relative;padding-left:44px;padding-bottom:20px;counter-increment:f;color:var(--ink-soft);font-size:15px}
.flow li:last-child{padding-bottom:0}
.flow li::before{
  content:counter(f);position:absolute;left:0;top:-1px;width:29px;height:29px;border-radius:9px;
  background:var(--bg-tint);color:var(--brand-ink);font-weight:700;font-size:13.5px;
  display:grid;place-items:center;font-family:inherit;
}
.flow li::after{content:"";position:absolute;left:14px;top:32px;bottom:2px;width:2px;background:var(--line)}
.flow li:last-child::after{display:none}
.flow li b{color:var(--ink);font-weight:600}

/* check list */
.checklist{list-style:none;margin:0;padding:0}
.checklist li{position:relative;padding-left:30px;margin-bottom:11px;color:var(--ink-soft);font-size:15px}
.checklist li::before{
  content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--bg-tint);
}
.checklist li::after{
  content:"";position:absolute;left:5.5px;top:12px;width:7px;height:4px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.checklist li b{color:var(--ink);font-weight:600}

/* audience strip */
.audience{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px;padding-top:26px;border-top:1px solid var(--line);align-items:center}
.audience .lbl{font-size:13px;font-weight:600;color:var(--muted);margin-right:6px;text-transform:uppercase;letter-spacing:.05em}
.audience span.pill{font-size:13.5px;font-weight:500;color:var(--ink-soft);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:6px 13px}

/* comparison table */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
table.cmp th,table.cmp td{padding:16px 20px;text-align:left;border-top:1px solid var(--line);vertical-align:top}
table.cmp thead th{
  border-top:none;background:var(--bg-soft);font-size:13px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--brand-ink);font-weight:700;
}
table.cmp tbody th{font-weight:600;color:var(--ink);width:22%}
table.cmp td{color:var(--ink-soft)}

/* ---------- Technology ---------- */
.pipeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.step .num{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:700;font-size:15px;color:#fff;background:var(--grad);margin-bottom:15px;box-shadow:0 6px 14px rgba(37,99,235,.22)}
.step h3{font-size:16px;margin-bottom:7px}
.step p{font-size:13.5px;color:var(--ink-soft)}
.step:not(:last-child)::after{content:"";position:absolute;top:42px;right:-15px;width:16px;height:2px;background:#cdd9ea;z-index:2}
.specs{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;margin-top:24px}
.specs > div{padding:22px 20px;border-left:1px solid var(--line);display:flex;gap:13px;align-items:center}
.specs > div:first-child{border-left:none}
.specs .ic{flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--bg-tint);color:var(--brand-ink)}
.specs .ic svg{width:19px;height:19px}
.specs b{display:block;font-size:14.5px;font-weight:700;letter-spacing:-.01em}
.specs small{color:var(--muted);font-size:12.5px}

/* architecture diagram */
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:30px 28px 24px;margin-bottom:44px}
.diagram svg{width:100%;height:auto;display:block}
.diagram .legend{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--ink-soft)}
.diagram .legend span{display:inline-flex;align-items:center;gap:9px}
.diagram .legend i{width:24px;border-top:2px dashed currentColor;display:inline-block}
.leg-blue{color:#2563eb}
.leg-red{color:#e0566b}

/* attack coverage */
.coverage{text-align:center;margin-top:8px}
.coverage h3{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.chips span{font-size:13.5px;font-weight:500;color:var(--ink-soft);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;box-shadow:var(--shadow-sm)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad);color:#fff;border-radius:24px;padding:48px 44px;
  box-shadow:0 20px 40px rgba(37,99,235,.24);position:relative;overflow:hidden;
  display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;
}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta-band h2{font-size:29px;font-weight:800;position:relative;z-index:1}
.cta-band p{margin-top:10px;font-size:16px;opacity:.92;max-width:52ch;position:relative;z-index:1}
.cta-band .acts{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- About / company ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about p + p{margin-top:16px}
.about p{color:var(--ink-soft);font-size:16px}
.facts{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.facts .row{display:flex;justify-content:space-between;gap:16px;padding:16px 24px;border-top:1px solid var(--line);font-size:15px}
.facts .row:first-child{border-top:none}
.facts .row span{color:var(--muted);flex:0 0 auto}
.facts .row b{font-weight:600;text-align:right}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.addr-card{background:var(--grad);color:#fff;border-radius:22px;padding:38px;box-shadow:0 20px 40px rgba(37,99,235,.25);position:relative;overflow:hidden}
.addr-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.12)}
.addr-card h3{font-size:22px;margin-bottom:18px;position:relative;z-index:1}
.addr-row{display:flex;gap:14px;align-items:flex-start;margin-top:18px;position:relative;z-index:1}
.addr-row .ic{flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.18)}
.addr-row .ic svg{width:19px;height:19px}
.addr-row a{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.4)}
.addr-row a:hover{text-decoration-color:#fff}
.addr-row .lbl{font-size:12.5px;opacity:.8;text-transform:uppercase;letter-spacing:.06em}
.addr-row .val{font-size:15.5px;font-weight:500;margin-top:2px}
.contact-side{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;justify-content:center}
.contact-side h3{font-size:20px;margin-bottom:10px}
.contact-side p{color:var(--ink-soft);font-size:15px;margin-bottom:20px}
.mailrow{display:flex;flex-direction:column;gap:14px}
.mailrow a{display:flex;align-items:flex-start;gap:11px;font-size:15px;color:var(--ink)}
.mailrow a svg{width:18px;height:18px;color:var(--brand);flex:0 0 18px;margin-top:3px}
.mailrow a b{display:block;font-weight:600;color:var(--brand-ink)}
.mailrow a small{display:block;color:var(--muted);font-size:13px;font-weight:400}

/* ---------- Footer ---------- */
footer{background:#0f1a2e;color:#aeb9cc;padding:54px 0 30px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot .brand{color:#fff}
.foot .brand .tld{color:#7e8ba3}
.foot > div:first-child p{font-size:14px;max-width:42ch;margin-top:14px;color:#8a98ae}
.foot-links{display:flex;gap:44px;flex-wrap:wrap}
.foot-col h4{color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}
.foot-col a{display:block;font-size:14px;color:#aeb9cc;margin:8px 0;transition:color .15s}
.foot-col a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;font-size:13px;color:#7e8ba3;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .menu{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 20px;
    box-shadow:0 18px 30px rgba(22,35,59,.10);
  }
  .menu.open{display:flex}
  .menu a{padding:13px 0;border-bottom:1px solid var(--line);font-size:16px}
  .menu a.btn{margin-top:14px;border-bottom:none;justify-content:center;padding:13px 18px}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:52px 24px 60px}
  .hero h1{font-size:40px}
  .page-hero h1{font-size:36px}
  .pipeline{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .specs{grid-template-columns:1fr}
  .specs > div{border-left:none;border-top:1px solid var(--line)}
  .specs > div:first-child{border-top:none}
  .g-3,.markets{grid-template-columns:1fr}
  .g-2,.why,.about,.contact-grid,.svc-body{grid-template-columns:1fr}
  .svc{padding:30px 24px}
  .svc-body{gap:30px}
  .cta-band{padding:38px 30px}
}
@media (max-width:560px){
  .hero h1{font-size:32px}
  .page-hero h1{font-size:29px}
  .section-head h2{font-size:27px}
  .cta-band h2{font-size:24px}
  .svc-head h2{font-size:22px}
  .svc-head{gap:14px}
  .svc-head .ic{width:46px;height:46px;flex:0 0 46px;border-radius:13px}
  .svc-head .ic svg{width:23px;height:23px}
  .hero-meta{gap:18px}
  .facts .row{flex-direction:column;gap:4px}
  .facts .row b{text-align:left}
}