/* =========================================================
   Mynort — Design System
   Home networking, Wi-Fi & smart-device education
   ========================================================= */

:root{
  --ink-950:#10161D;
  --ink-900:#161F29;
  --ink-800:#1F2C3A;
  --ink-700:#2E4053;
  --green-600:#239163;
  --green-500:#2FAE76;
  --green-100:#E1F5EA;
  --sky-500:#4C9FE0;
  --sky-100:#E7F2FB;
  --paper:#F4F7F9;
  --paper-alt:#E8EEF1;
  --text-900:#1B2430;
  --text-700:#33404C;
  --slate-500:#5B6B78;
  --slate-300:#9DACB6;
  --line:#DAE2E6;
  --amber-600:#B36B00;
  --amber-100:#FCEEDD;
  --red-700:#B03A2E;
  --red-100:#FBEAE7;
  --violet-600:#5D4FB8;
  --violet-100:#ECE9FA;

  --font-display:'Manrope', 'Segoe UI', system-ui, sans-serif;
  --font-body:'Public Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', 'Consolas', monospace;

  --radius-sm:5px;
  --radius-md:9px;
  --radius-lg:16px;

  --shadow-sm:0 1px 2px rgba(16,22,29,0.06);
  --shadow-md:0 10px 26px rgba(16,22,29,0.09);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-700);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--text-900);
  line-height:1.18;
  margin:0 0 0.5em;
  font-weight:800;
  letter-spacing:-0.015em;
}
h1{font-size:clamp(2rem, 1.55rem + 2.1vw, 3.05rem);}
h2{font-size:clamp(1.45rem, 1.25rem + 1vw, 2rem);}
h3{font-size:1.28rem; font-weight:700;}
p{margin:0 0 1.1em;}
a{color:var(--green-600); text-decoration:none;}
a:hover{color:var(--ink-800); text-decoration:underline;}
img{max-width:100%; display:block;}
ul,ol{padding-left:1.3rem;}
li{margin-bottom:0.4em;}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:3px solid var(--sky-500);
  outline-offset:2px;
}

.wrap{max-width:1180px; margin:0 auto; padding:0 24px;}
.wrap-narrow{max-width:760px; margin:0 auto; padding:0 24px;}

/* ---------- Signature element: Signal Rings ----------
   Concentric arcs echoing a Wi-Fi ping — literal to the
   subject matter (home networking) rather than decorative. */
.signal-rings{display:inline-flex; align-items:flex-end; gap:0; margin-bottom:14px;}
.signal-rings svg{display:block;}

.ring-divider{
  display:flex; align-items:center; gap:10px; margin:0 0 18px;
}
.ring-divider .dot{width:8px; height:8px; border-radius:50%; background:var(--green-500);}
.ring-divider .arc{width:16px; height:8px; border:2px solid var(--slate-300); border-bottom:none; border-radius:16px 16px 0 0;}

/* ---------- Header ---------- */
.site-header{
  background:var(--ink-900);
  color:#fff;
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid var(--ink-700);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  max-width:1180px;
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.25rem;
  text-decoration:none;
}
.brand:hover{text-decoration:none; color:var(--green-500);}
.brand-mark{width:32px; height:32px; flex-shrink:0;}
.brand-tag{
  display:block;
  font-family:var(--font-mono);
  font-size:0.6rem;
  letter-spacing:0.08em;
  color:var(--green-500);
  text-transform:uppercase;
  font-weight:500;
}

.main-nav{display:flex; align-items:center; gap:2px;}
.main-nav a{
  color:#D3DCE2;
  font-size:0.91rem;
  font-weight:600;
  padding:9px 12px;
  border-radius:var(--radius-sm);
  text-decoration:none;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{
  color:#fff;
  background:rgba(255,255,255,0.09);
  text-decoration:none;
}

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--ink-700);
  border-radius:var(--radius-sm);
  color:#fff;
  padding:8px 10px;
  cursor:pointer;
}
.mobile-nav{display:none; flex-direction:column; background:var(--ink-800); padding:8px 24px 18px;}
.mobile-nav a{color:#E4EAEE; padding:11px 4px; border-bottom:1px solid rgba(255,255,255,0.08); font-size:0.98rem;}
.mobile-nav a:last-child{border-bottom:none;}

@media (max-width:860px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex; align-items:center; gap:6px;}
  .mobile-nav.open{display:flex;}
}

/* ---------- Buttons / tags ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-md);
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  border:1px solid transparent;
}
.btn-primary{background:var(--green-600); color:#fff;}
.btn-primary:hover{background:var(--ink-800); color:#fff; text-decoration:none;}
.btn-ghost{background:transparent; border-color:var(--line); color:var(--text-700);}
.btn-ghost:hover{border-color:var(--green-600); color:var(--green-600); text-decoration:none;}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:0.66rem;
  font-weight:600;
  letter-spacing:0.09em;
  text-transform:uppercase;
  padding:4px 9px;
  border-radius:3px;
  margin-bottom:10px;
}
.eyebrow-networking{background:var(--sky-100); color:#2C6DA0;}
.eyebrow-routers{background:var(--green-100); color:var(--green-600);}
.eyebrow-smarthome{background:var(--violet-100); color:var(--violet-600);}
.eyebrow-safety{background:var(--amber-100); color:var(--amber-600);}
.eyebrow-buying{background:#FBEAE7; color:var(--red-700);}
.eyebrow-general{background:var(--paper-alt); color:var(--slate-500);}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(165deg, var(--ink-950) 0%, var(--ink-900) 60%, #16323F 100%);
  color:#fff;
  padding:64px 0 76px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{color:#fff; margin-bottom:16px;}
.hero p.lede{color:#C3D0D8; font-size:1.1rem; max-width:52ch;}
.hero-actions{display:flex; gap:12px; margin-top:26px; flex-wrap:wrap;}

/* ---------- Cards ---------- */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .15s ease, box-shadow .15s ease;
  display:flex;
  flex-direction:column;
  height:100%;
}
.card:hover{transform:translateY(-3px); box-shadow:var(--shadow-md);}
.card-media{aspect-ratio:16/9; background:var(--paper-alt);}
.card-body{padding:20px 22px 22px; display:flex; flex-direction:column; flex:1;}
.card h3{font-size:1.1rem; margin-bottom:8px;}
.card h3 a{color:var(--text-900);}
.card h3 a:hover{color:var(--green-600); text-decoration:none;}
.card p{color:var(--slate-500); font-size:0.95rem; margin-bottom:14px;}
.card-meta{
  margin-top:auto;
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--slate-300);
  display:flex;
  gap:10px;
  border-top:1px solid var(--line);
  padding-top:12px;
}

.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:26px;}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:26px;}
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
@media (max-width:900px){.grid-3, .grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid-3, .grid-2, .grid-4{grid-template-columns:1fr;}}

section.section{padding:56px 0;}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:28px; flex-wrap:wrap; gap:12px;}
.section-head p.section-sub{color:var(--slate-500); margin:6px 0 0; max-width:60ch;}
.section-alt{background:var(--paper-alt);}

/* ---------- Topic chips ---------- */
.topic-chips{display:flex; flex-wrap:wrap; gap:10px;}
.topic-chip{
  display:flex; align-items:center; gap:10px;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-md);
  padding:14px 16px; flex:1 1 200px; min-width:200px;
}
.topic-chip .dot{width:10px; height:10px; border-radius:50%; flex-shrink:0;}
.topic-chip h4{margin:0; font-size:0.97rem; font-family:var(--font-display); color:var(--text-900);}
.topic-chip span.count{display:block; font-size:0.78rem; color:var(--slate-500);}

/* ---------- Newsletter ---------- */
.newsletter{
  background:var(--ink-900);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  flex-wrap:wrap;
}
.newsletter h3{color:#fff; margin-bottom:6px;}
.newsletter p{color:#C3D0D8; margin-bottom:0; max-width:46ch;}
.newsletter-form{display:flex; gap:10px; flex-wrap:wrap;}
.newsletter-form input[type=email]{
  padding:12px 14px; border-radius:var(--radius-md); border:1px solid var(--ink-700);
  background:var(--ink-800); color:#fff; min-width:230px; font-family:var(--font-body);
}
.newsletter-form input::placeholder{color:var(--slate-300);}
.form-note{font-size:0.78rem; color:var(--slate-300); margin-top:10px; width:100%;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-950); color:#B4C0C7; padding:56px 0 26px; margin-top:60px;}
.footer-grid{display:grid; grid-template-columns:1.4fr repeat(4,1fr); gap:32px; margin-bottom:40px;}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.site-footer h5{color:#fff; font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; margin-bottom:14px;}
.site-footer a{color:#B4C0C7; font-size:0.9rem; display:block; margin-bottom:9px;}
.site-footer a:hover{color:var(--green-500); text-decoration:none;}
.footer-brand p{color:#88969E; font-size:0.9rem; max-width:34ch;}
.footer-bottom{border-top:1px solid var(--ink-700); padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.82rem; color:#78868D;}
.footer-disclosure{
  background:var(--ink-900); border:1px solid var(--ink-700); border-radius:var(--radius-md);
  padding:16px 20px; font-size:0.84rem; color:#ADBAC0; margin-bottom:36px; line-height:1.6;
}

/* ---------- Article page ---------- */
.breadcrumb{font-size:0.85rem; color:var(--slate-500); margin-bottom:18px;}
.breadcrumb a{color:var(--slate-500);}
.breadcrumb a:hover{color:var(--green-600);}
.article-header{padding:44px 0 30px; border-bottom:1px solid var(--line);}
.article-deck{font-size:1.15rem; color:var(--slate-500); max-width:70ch; margin-bottom:22px;}
.byline{display:flex; align-items:center; gap:14px; flex-wrap:wrap; font-size:0.85rem; color:var(--slate-500);}
.byline .avatar{width:38px; height:38px; border-radius:50%; background:var(--ink-800); color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:800; font-size:0.85rem;}
.byline strong{color:var(--text-900); display:block; font-size:0.9rem;}
.byline .meta-sep{color:var(--line);}

.article-body{max-width:720px; margin:0 auto; padding:44px 24px 20px;}
.article-body h2{margin-top:1.8em; font-size:1.5rem;}
.article-body h3{margin-top:1.4em; font-size:1.18rem;}
.article-body p{font-size:1.05rem; color:var(--text-700);}
.article-body ul, .article-body ol{font-size:1.02rem;}
.article-body table{width:100%; border-collapse:collapse; margin:1.6em 0; font-size:0.92rem;}
.article-body th, .article-body td{border:1px solid var(--line); padding:10px 12px; text-align:left; vertical-align:top;}
.article-body th{background:var(--paper-alt); font-family:var(--font-display); font-size:0.83rem;}
.article-body table caption{caption-side:bottom; text-align:left; font-size:0.8rem; color:var(--slate-500); padding-top:8px;}

.callout{
  border-left:4px solid var(--green-600);
  background:var(--green-100);
  padding:16px 20px;
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  margin:1.6em 0;
  font-size:0.98rem;
}
.callout.warn{border-color:var(--amber-600); background:var(--amber-100);}
.callout strong{display:block; margin-bottom:4px; font-family:var(--font-display); font-size:0.92rem;}

.toc{
  background:var(--paper-alt);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 22px;
  margin:1.6em 0;
}
.toc h4{margin-bottom:10px; font-size:0.88rem; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:0.06em; color:var(--slate-500);}
.toc ol{margin:0; padding-left:1.1rem; font-size:0.92rem;}
.toc li{margin-bottom:6px;}

.hero-graphic-wrap{background:var(--ink-900); padding:0;}
.hero-graphic-wrap svg{display:block; width:100%; height:auto; max-height:260px;}

.faq-item{border-bottom:1px solid var(--line); padding:18px 0;}
.faq-item:last-child{border-bottom:none;}
.faq-item h3{font-size:1.02rem; margin-bottom:8px;}

.editorial-disclosure{
  background:var(--paper-alt); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:16px 20px; font-size:0.88rem; color:var(--slate-500); margin:2em 0;
}

.related-section{background:var(--paper-alt); padding:50px 0 60px; margin-top:40px;}

.ad-slot{
  border:1px dashed var(--line);
  border-radius:var(--radius-md);
  background:#fff;
  padding:14px 18px;
  margin:2em 0;
  text-align:center;
}
.ad-slot .ad-label{
  font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--slate-300); display:block; margin-bottom:2px;
}

.page-header{background:var(--ink-900); color:#fff; padding:48px 0 40px;}
.page-header h1{color:#fff;}
.page-header p{color:#C3D0D8;}
.legal-body{max-width:780px; margin:0 auto; padding:46px 24px 70px;}
.legal-body h2{margin-top:1.6em;}
.legal-body .updated{font-family:var(--font-mono); font-size:0.8rem; color:var(--slate-500); margin-bottom:2em;}

.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px;}
@media (max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding:22px 24px; margin-bottom:16px;}
.contact-card h3{font-size:1rem; margin-bottom:6px;}
.contact-card p{color:var(--slate-500); font-size:0.92rem; margin-bottom:8px;}
.contact-card a.email{font-family:var(--font-mono); font-size:0.92rem;}

form.contact-form label{display:block; font-size:0.88rem; font-weight:700; margin-bottom:6px; color:var(--text-900);}
form.contact-form input, form.contact-form select, form.contact-form textarea{
  width:100%; padding:11px 13px; border:1px solid var(--line); border-radius:var(--radius-md);
  font-family:var(--font-body); font-size:0.95rem; margin-bottom:18px; background:#fff;
}
form.contact-form textarea{min-height:130px; resize:vertical;}

.error-page{padding:100px 0; text-align:center;}
.error-page h1{font-size:5rem; margin-bottom:0.2em;}

.text-center{text-align:center;}
.mt-0{margin-top:0;}
.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;}
.skip-link{
  position:absolute; left:-999px; top:0; background:#fff; color:var(--ink-900); padding:10px 16px; z-index:100; border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}