:root{
  --navy:#0B1220;
  --navy-2:#101A30;
  --white:#FFFFFF;
  --paper:#F5F7FB;
  --blue:#2F6FED;
  --blue-dark:#1D4ED8;
  --blue-light:#EAF1FF;
  --ink:#0F172A;
  --ink-muted:#5B6B85;
  --border:#E1E7F0;
  --border-dark:#22304A;
  --ok:#1B9E6B;
  --warn:#C2620C;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:20px;
  --shadow: 0 1px 2px rgba(10,20,40,.04), 0 8px 24px rgba(10,20,40,.06);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --maxw: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth; scroll-padding-top:88px;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:var(--blue-dark);}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.visually-hidden{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;}
.skip-link{
  position:absolute; left:12px; top:-48px; background:var(--blue); color:#fff;
  padding:10px 16px; border-radius:var(--radius-s); z-index:200; transition:top .15s ease;
  font-weight:600; text-decoration:none;
}
.skip-link:focus{top:12px;}
:focus-visible{outline:3px solid var(--blue); outline-offset:2px;}

h1,h2,h3{font-family:var(--sans); font-weight:700; line-height:1.2; margin:0 0 .5em;}
h1{font-size:clamp(2rem, 4.2vw, 3.1rem); font-weight:800; letter-spacing:-0.01em;}
h2{font-size:clamp(1.5rem, 2.6vw, 2rem); letter-spacing:-0.01em;}
h3{font-size:1.05rem;}
p{margin:0 0 1em; color:var(--ink-muted);}
section{padding:64px 0;}
.section-head{max-width:640px; margin-bottom:36px;}
.section-head p{margin:0;}

/* Header */
header.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(11,18,32,.92); backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border-dark);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:68px;}
.brand{display:flex; align-items:center; gap:10px; color:#fff; text-decoration:none; font-weight:700; font-size:1.05rem;}
.brand-mark{
  width:34px; height:34px; border-radius:9px; background:linear-gradient(155deg, var(--blue), #6D93F5);
  display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-weight:700; color:#fff; font-size:.8rem;
}
nav.main-nav{display:flex; align-items:center; gap:4px;}
nav.main-nav a, nav.main-nav button.nav-link{
  color:#C6D2EA; text-decoration:none; font-size:.92rem; font-weight:500;
  padding:9px 14px; border-radius:8px; background:none; border:none; cursor:pointer; font-family:var(--sans);
}
nav.main-nav a:hover, nav.main-nav button.nav-link:hover{color:#fff; background:rgba(255,255,255,.06);}
.nav-toggle{display:none; background:none; border:1px solid var(--border-dark); color:#fff; width:40px; height:40px; border-radius:8px; font-size:1.1rem;}

@media (max-width:880px){
  nav.main-nav{
    position:fixed; top:68px; left:0; right:0; background:var(--navy);
    flex-direction:column; align-items:stretch; padding:8px; border-bottom:1px solid var(--border-dark);
    display:none;
  }
  nav.main-nav.open{display:flex;}
  nav.main-nav a, nav.main-nav button.nav-link{width:100%; text-align:left; padding:12px 14px;}
  .nav-toggle{display:block;}
}

/* Hero */
.hero{
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(47,111,237,.35), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(109,147,245,.18), transparent 55%),
    var(--navy);
  color:#fff; padding:72px 0 56px; position:relative; overflow:hidden;
}
.hero-inner{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;}
.eyebrow{font-size:.85rem; color:#9FB3DA; font-weight:600; margin-bottom:14px;}
.hero p.lead{color:#B9C6E2; font-size:1.08rem; max-width:520px;}
.hero-cta{display:flex; gap:12px; margin-top:22px; flex-wrap:wrap;}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:12px 20px; border-radius:10px;
  font-weight:600; font-size:.95rem; text-decoration:none; cursor:pointer; border:1px solid transparent;
  font-family:var(--sans);
}
.btn-primary{background:var(--blue); color:#fff;}
.btn-primary:hover{background:var(--blue-dark);}
.btn-ghost{background:transparent; color:#fff; border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.08);}

.hero-status{
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-l);
  padding:22px; backdrop-filter:blur(6px);
}
.status-row{display:flex; align-items:center; gap:10px; color:#CBD8F2; font-size:.9rem;}
.dot{width:8px; height:8px; border-radius:50%; background:#6D93F5; flex:none;}
.dot.pulse{animation:pulse 1.4s ease-in-out infinite;}
.dot.live{background:var(--ok);}
.dot.err{background:#E15656;}
@keyframes pulse{0%,100%{opacity:1;} 50%{opacity:.35;}}
.hero-ip-preview{font-family:var(--mono); font-size:1.7rem; font-weight:600; color:#fff; margin-top:10px; word-break:break-all;}

/* AdSense placeholder */
.ad-slot{
  border:1.5px dashed #B9C3D6; border-radius:var(--radius-m); background:#FAFBFD;
  display:flex; align-items:center; justify-content:center; text-align:center;
  color:#8A96AD; font-size:.82rem; letter-spacing:.03em; padding:22px; min-height:90px;
}
.ad-slot span{font-weight:600; color:#6C7996;}
.ad-banner{margin:32px auto 0; max-width:var(--maxw); padding:0 24px;}
.ad-slot i{font-size:1.3rem; margin-right:10px; color:#93A0BC;}
.ad-slot .link-btn{background:none; border:none; text-decoration:underline; color:var(--blue-dark); cursor:pointer; font-family:var(--sans); font-size:inherit; padding:0;}

/* Dashboard */
.dashboard-wrap{margin-top:-70px; position:relative; z-index:2;}
.dashboard-card{
  background:#fff; border-radius:var(--radius-l); box-shadow:var(--shadow); border:1px solid var(--border);
  padding:32px; 
}
.dashboard-top{display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between; gap:16px; border-bottom:1px solid var(--border); padding-bottom:24px; margin-bottom:24px;}
.dashboard-label{font-size:.82rem; color:var(--ink-muted); font-weight:600; margin-bottom:6px;}
.main-ip{font-family:var(--mono); font-size:clamp(1.6rem, 4vw, 2.6rem); font-weight:700; color:var(--ink); word-break:break-all;}
.retry-btn{
  background:var(--blue-light); color:var(--blue-dark); border:1px solid #C9DBFB; padding:10px 16px;
  border-radius:9px; font-weight:600; font-size:.88rem; cursor:pointer; display:inline-flex; align-items:center; gap:8px;
}
.retry-btn:hover{background:#DCE9FF;}
.info-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:16px;}
@media (max-width:900px){.info-grid{grid-template-columns:repeat(2, 1fr);}}
@media (max-width:520px){.info-grid{grid-template-columns:1fr 1fr;}}
.info-card{
  background:var(--paper); border:1px solid var(--border); border-radius:var(--radius-m); padding:16px;
}
.info-card .k{font-size:.76rem; text-transform:none; color:var(--ink-muted); font-weight:600; margin-bottom:6px;}
.info-card .v{font-family:var(--mono); font-size:1rem; font-weight:600; color:var(--ink); word-break:break-word;}
.info-card .v.muted{color:#A2ACC2; font-weight:500;}
.skeleton{
  background:linear-gradient(90deg, #ECEFF5 25%, #E1E6EF 37%, #ECEFF5 63%);
  background-size:400% 100%; animation:sk 1.4s ease infinite; border-radius:5px; height:16px; width:70%;
}
@keyframes sk{0%{background-position:100% 0;} 100%{background-position:0 0;}}
.error-banner{
  display:none; align-items:center; gap:12px; background:#FDECEC; border:1px solid #F5C2C2; color:#9A2E2E;
  padding:14px 16px; border-radius:var(--radius-m); margin-top:18px; font-size:.9rem;
}
.error-banner.show{display:flex;}
.error-banner button{margin-left:auto;}
.notice-inline{font-size:.8rem; color:var(--ink-muted); margin-top:16px; display:flex; gap:8px; align-items:flex-start;}
.notice-inline i{margin-top:3px; color:#93A0BC;}

/* Map */
#ip-map{
  width:100%; height:380px; border-radius:var(--radius-l); border:1px solid var(--border); background:#E9EDF4;
}
.map-caption{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:12px; flex-wrap:wrap;}
.map-caption p{margin:0; font-size:.85rem;}
.badge{
  display:inline-flex; align-items:center; gap:6px; background:var(--blue-light); color:var(--blue-dark);
  border-radius:999px; padding:5px 12px; font-size:.76rem; font-weight:600;
}
.map-fallback{
  height:380px; border-radius:var(--radius-l); border:1px dashed var(--border); background:#F2F4F9;
  display:flex; align-items:center; justify-content:center; text-align:center; color:var(--ink-muted); padding:24px;
}

/* Tools grid */
.tools-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:18px;}
@media (max-width:900px){.tools-grid{grid-template-columns:repeat(2, 1fr);}}
@media (max-width:560px){.tools-grid{grid-template-columns:1fr;}}
.tool-card{
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-m); padding:22px; position:relative;
}
.tool-icon{
  width:42px; height:42px; border-radius:10px; background:var(--blue-light); color:var(--blue-dark);
  display:flex; align-items:center; justify-content:center; font-size:1.1rem; margin-bottom:14px;
}
.tool-card h3{margin-bottom:6px;}
.tool-card p{font-size:.9rem; margin-bottom:14px;}
.pill{
  font-size:.72rem; font-weight:700; padding:4px 10px; border-radius:999px; display:inline-block;
}
.pill-live{background:#E4F7EE; color:#137A4E;}
.pill-soon{background:#F1F2F6; color:#6B7488;}
.tool-link{font-size:.85rem; font-weight:600; text-decoration:none; color:var(--blue-dark); display:inline-flex; align-items:center; gap:6px;}

/* Guide */
.guide-body{max-width:760px; margin:0 auto;}
.guide-body h2{margin-top:1.8em;}
.guide-body h3{margin-top:1.4em; color:var(--ink);}
.guide-body p{color:#3E495E;}
.guide-body ul{color:#3E495E; padding-left:1.2em;}
.guide-body li{margin-bottom:.4em;}
.ad-inarticle{margin:40px auto;}

/* FAQ */
.faq-list{max-width:800px; margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding:18px 4px; font-size:1rem; font-weight:600;
  color:var(--ink); cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:16px;
  font-family:var(--sans);
}
.faq-q i{color:#8A96AD; transition:transform .2s ease; flex:none;}
.faq-item[data-open="true"] .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease;}
.faq-a p{padding:0 4px 18px; margin:0; font-size:.94rem;}

/* Footer */
footer{background:var(--navy); color:#AEB9D4; padding:48px 0 28px; margin-top:20px;}
.footer-inner{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px;}
@media (max-width:700px){.footer-inner{grid-template-columns:1fr;}}
footer h3{color:#fff; font-size:.85rem; margin-bottom:14px;}
footer p{color:#8896B8; font-size:.88rem;}
footer ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px;}
footer a, footer button.link-btn{color:#AEB9D4; text-decoration:none; font-size:.9rem; background:none; border:none; padding:0; cursor:pointer; text-align:left; font-family:var(--sans);}
footer a:hover, footer button.link-btn:hover{color:#fff;}
.footer-bottom{border-top:1px solid var(--border-dark); margin-top:36px; padding-top:20px; font-size:.8rem; color:#7182A6; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;}

/* Modal */
.modal-overlay{
  position:fixed; inset:0; background:rgba(9,14,26,.6); display:none; align-items:center; justify-content:center;
  padding:24px; z-index:300;
}
.modal-overlay.open{display:flex;}
.modal{
  background:#fff; border-radius:var(--radius-l); max-width:640px; width:100%; max-height:85vh; overflow-y:auto;
  padding:32px; position:relative; box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.modal h2{margin-bottom:.6em;}
.modal h3{margin-top:1.2em;}
.modal p, .modal li{color:#4A5673; font-size:.92rem;}
.modal-close{
  position:absolute; top:18px; right:18px; background:var(--paper); border:1px solid var(--border); width:34px; height:34px;
  border-radius:8px; cursor:pointer; font-size:.95rem; color:var(--ink-muted);
}
.contact-row{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap;}
.contact-input{flex:1; min-width:180px; padding:11px 12px; border-radius:8px; border:1px solid var(--border); font-family:var(--sans); font-size:.9rem;}

/* DNS + Speed test extras */
.dns-table{width:100%; border-collapse:collapse; font-size:.88rem;}
.dns-table th, .dns-table td{text-align:left; padding:10px 12px; border-bottom:1px solid var(--border);}
.dns-table th{color:var(--ink-muted); font-weight:600; font-size:.76rem;}
.dns-table td.mono{font-family:var(--mono); word-break:break-all;}
.dns-table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius-m);}
.dns-empty{color:var(--ink-muted); font-size:.9rem; padding:8px 0;}
.speed-progress{font-size:.8rem; color:var(--blue-dark); font-weight:600; margin-top:4px;}
.breach-safe{display:flex; align-items:center; gap:10px; background:#E4F7EE; color:#137A4E; border:1px solid #BFE9D3; border-radius:var(--radius-m); padding:14px 16px; font-weight:600; font-size:.92rem;}
.breach-found{display:flex; align-items:flex-start; gap:10px; background:#FDECEC; color:#9A2E2E; border:1px solid #F5C2C2; border-radius:var(--radius-m); padding:14px 16px; font-size:.92rem;}
.breach-chips{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px;}
.breach-chip{background:#fff; border:1px solid #F0B8B8; color:#9A2E2E; border-radius:999px; padding:5px 12px; font-size:.8rem; font-weight:600;}

/* Cookie consent */
.cookie-modal{max-width:720px; padding:0; overflow:hidden; display:flex; flex-direction:column; max-height:85vh;}
.cookie-head{display:flex; align-items:center; justify-content:space-between; padding:24px 28px 0;}
.cookie-brand{display:flex; align-items:center; gap:10px; font-weight:700; color:var(--ink);}
.cookie-brand .brand-mark{width:30px; height:30px; font-size:.7rem;}
.cookie-tabs{display:flex; gap:28px; padding:18px 28px 0; border-bottom:1px solid var(--border); margin-top:14px;}
.cookie-tab{background:none; border:none; padding:0 0 14px; font-weight:600; font-size:.92rem; color:var(--ink-muted); cursor:pointer; border-bottom:2px solid transparent; font-family:var(--sans);}
.cookie-tab.active{color:var(--blue-dark); border-bottom-color:var(--blue-dark);}
.cookie-body{padding:22px 28px; overflow-y:auto; flex:1;}
.cookie-panel{display:none;}
.cookie-panel.active{display:block;}
.cookie-panel p{font-size:.9rem; color:#4A5673; margin-bottom:14px;}
.cookie-cat{border-top:1px solid var(--border); padding:16px 0;}
.cookie-cat:first-child{border-top:none; padding-top:0;}
.cookie-cat-head{display:flex; align-items:center; justify-content:space-between; gap:16px;}
.cookie-cat-head strong{font-size:.94rem; color:var(--ink);}
.cookie-cat-count{background:var(--paper); color:var(--ink-muted); font-size:.72rem; font-weight:700; border-radius:999px; padding:2px 8px; margin-left:8px;}
.cookie-cat p{margin:8px 0 0; font-size:.85rem;}
.switch{position:relative; display:inline-block; width:44px; height:24px; flex:none;}
.switch input{opacity:0; width:0; height:0;}
.switch .slider{position:absolute; inset:0; background:#D7DCE6; border-radius:999px; cursor:pointer; transition:.2s;}
.switch .slider::before{content:""; position:absolute; width:18px; height:18px; left:3px; top:3px; background:#fff; border-radius:50%; transition:.2s;}
.switch input:checked + .slider{background:var(--blue);}
.switch input:checked + .slider::before{transform:translateX(20px);}
.switch input:disabled + .slider{background:var(--blue); opacity:.55; cursor:not-allowed;}
.cookie-footer{display:flex; gap:12px; flex-wrap:wrap; padding:18px 28px 26px; border-top:1px solid var(--border);}
.cookie-footer .btn{flex:1; min-width:140px; justify-content:center;}
.btn-outline{background:#fff; color:var(--ink); border-color:var(--border);}
.btn-outline:hover{background:var(--paper);}
.cookie-fab{
  position:fixed; left:18px; bottom:18px; z-index:150; width:48px; height:48px; border-radius:50%;
  background:var(--navy); color:#fff; border:none; box-shadow:var(--shadow); cursor:pointer; font-size:1.15rem;
  display:none; align-items:center; justify-content:center;
}
.cookie-fab.show{display:flex;}

@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr;}
  .dashboard-wrap{margin-top:32px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important;}
}

.seo-hero{padding:72px 0 54px;background:linear-gradient(180deg,#f8fbff 0%,#fff 100%);border-bottom:1px solid var(--border)}
.seo-hero h1{max-width:900px}.seo-hero .lead{max-width:820px}.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:24px}.breadcrumbs a{color:var(--blue-dark)}
.seo-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.seo-content h2{margin-top:38px}.sidebar-card{position:sticky;top:88px;border:1px solid var(--border);border-radius:14px;padding:20px;background:#fff}.sidebar-card h3{margin-top:0}.sidebar-card a{display:block;padding:8px 0;color:var(--blue-dark);text-decoration:none}.tool-cta{margin:28px 0;padding:22px;border-radius:16px;background:#0B1220;color:#fff;display:flex;justify-content:space-between;gap:18px;align-items:center}.tool-cta p{margin:5px 0 0;color:#cbd5e1}.faq-static{display:grid;gap:14px}.faq-static details{border:1px solid var(--border);border-radius:12px;padding:16px 18px;background:#fff}.faq-static summary{font-weight:700;cursor:pointer}@media(max-width:900px){.seo-layout{grid-template-columns:1fr}.sidebar-card{position:static}.tool-cta{flex-direction:column;align-items:flex-start}}