/* WiFi Assistant — design system */
:root{
  --bg:#f7f8fb; --surface:#ffffff; --surface-2:#f1f3f9; --line:#e2e6f0;
  --ink:#12172b; --ink-2:#404a68; --ink-3:#6b7694;
  --brand:#1e50e2; --brand-ink:#12379e; --brand-soft:#e8eeff;
  --accent:#00a88f; --accent-soft:#dcf5ef;
  --warn:#b7791f; --warn-soft:#fdf3e0; --danger:#c0392f; --danger-soft:#fdeceb;
  --ubnt:#0559c9; --ubnt-soft:#e6eefc;
  --b24:#e8823a; --b5:#2f7fd4; --b6:#6b4fd8; --b60:#c0392f; --bcbrs:#0f9c78;
  --radius:14px; --radius-sm:9px; --shadow:0 1px 2px rgba(18,23,43,.06),0 8px 24px -12px rgba(18,23,43,.18);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --maxw:1160px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c0f1a; --surface:#141926; --surface-2:#1b2130; --line:#28304a;
    --ink:#eef1f8; --ink-2:#b3bcd4; --ink-3:#8590ad;
    --brand:#7d9dff; --brand-ink:#a8bcff; --brand-soft:#1a2340;
    --accent:#3fd7bb; --accent-soft:#10302c;
    --warn:#e0b25f; --warn-soft:#2e2513; --danger:#f08a80; --danger-soft:#33191a;
    --ubnt-soft:#122544;
    --b24:#f0a165; --b5:#5ea3ef; --b6:#9c83f0; --b60:#ef8279; --bcbrs:#3ec4a0;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -14px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --bg:#0c0f1a; --surface:#141926; --surface-2:#1b2130; --line:#28304a;
  --ink:#eef1f8; --ink-2:#b3bcd4; --ink-3:#8590ad;
  --brand:#7d9dff; --brand-ink:#a8bcff; --brand-soft:#1a2340;
  --accent:#3fd7bb; --accent-soft:#10302c;
  --warn:#e0b25f; --warn-soft:#2e2513; --danger:#f08a80; --danger-soft:#33191a;
  --ubnt:#5b96ff; --ubnt-soft:#122544;
  --b24:#f0a165; --b5:#5ea3ef; --b6:#9c83f0; --b60:#ef8279; --bcbrs:#3ec4a0;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -14px rgba(0,0,0,.7);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.001ms!important;transition-duration:.001ms!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em;font-weight:700;text-wrap:balance}
h1{font-size:clamp(2rem,4.5vw,3rem)}
h2{font-size:clamp(1.4rem,2.6vw,2rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
code{font-family:var(--mono);font-size:.88em;background:var(--surface-2);padding:.15em .4em;border-radius:5px;border:1px solid var(--line)}
pre{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem;overflow-x:auto}
pre code{background:none;border:0;padding:0}
blockquote{margin:1.5rem 0;padding:.9rem 1.1rem;border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2)}
blockquote p:last-child{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.table-wrap{overflow-x:auto;margin:1.25rem 0;border:1px solid var(--line);border-radius:var(--radius-sm)}
table{border-collapse:collapse;width:100%;font-size:.93rem;background:var(--surface)}
th,td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface-2);font-weight:650;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-3)}
tbody tr:last-child td{border-bottom:0}
.tnum{font-variant-numeric:tabular-nums}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1.1rem;height:62px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.05rem;color:var(--ink);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.nav-links{display:flex;gap:.1rem;margin-left:auto;align-items:center}
.nav-links a{padding:.45rem .6rem;border-radius:8px;color:var(--ink-2);font-size:.9rem;font-weight:520;white-space:nowrap}
.nav-links a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}
.nav-links a.active{color:var(--brand);background:var(--brand-soft)}
.nav-cta{background:var(--brand)!important;color:#fff!important;padding:.5rem .85rem!important;font-weight:600}
.nav-cta:hover{background:var(--brand-ink)!important}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:.4rem .6rem;color:var(--ink);cursor:pointer;font-size:1.1rem}
@media (max-width:1050px){
  .burger{display:block}
  .nav-links{position:absolute;top:62px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:.6rem;gap:.15rem;display:none;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
}

/* hero */
.hero{padding:4rem 0 3rem;background:linear-gradient(180deg,var(--brand-soft),transparent)}
.hero h1{max-width:16ch}
.hero .lede{font-size:1.15rem;color:var(--ink-2);max-width:60ch;margin-bottom:1.5rem}
.hero-actions{display:flex;gap:.7rem;flex-wrap:wrap}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--brand);margin-bottom:.6rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.62rem 1.1rem;border-radius:9px;font-weight:600;font-size:.94rem;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:.15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink)}
.btn-ubnt{background:var(--ubnt);color:#fff}
.btn-ubnt:hover{filter:brightness(1.1)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-danger{background:var(--danger-soft);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 35%,transparent)}
.btn-sm{padding:.35rem .7rem;font-size:.85rem}

/* cards + grid */
.grid{display:grid;gap:1.1rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin-bottom:.35rem;font-size:1.08rem}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--brand);text-decoration:none}
.card p{color:var(--ink-2);font-size:.93rem}
.card .meta{margin-top:auto;padding-top:.8rem;font-size:.8rem;color:var(--ink-3);display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.card-link{color:inherit}
.card-link:hover{text-decoration:none}

.badge{display:inline-block;padding:.16rem .55rem;border-radius:100px;font-size:.72rem;font-weight:650;letter-spacing:.02em;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
.badge-brand{background:var(--brand-soft);color:var(--brand-ink);border-color:transparent}
.badge-accent{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.badge-warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.badge-danger{background:var(--danger-soft);color:var(--danger);border-color:transparent}
.badge-ubnt{background:var(--ubnt-soft);color:var(--ubnt);border-color:transparent}

section.band{padding:3.5rem 0}
section.band.alt{background:var(--surface)}
.band-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.6rem;flex-wrap:wrap}
.band-head p{margin:0;color:var(--ink-3);max-width:62ch}
.band-head h2{margin-bottom:.2rem}

/* article */
.article{padding:2.5rem 0 4rem}
.article-head{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--line)}
.article-meta{display:flex;gap:.75rem;flex-wrap:wrap;color:var(--ink-3);font-size:.87rem;align-items:center}
.prose{font-size:1.03rem}
.prose h2{margin-top:2.2rem;padding-top:.4rem}
.prose h3{margin-top:1.7rem}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin-bottom:.4rem}
.prose img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:1.5rem 0}
.layout-toc{display:grid;grid-template-columns:1fr 240px;gap:3rem;align-items:start}
@media (max-width:960px){.layout-toc{grid-template-columns:1fr}.toc{display:none}}
.toc{position:sticky;top:80px;font-size:.87rem;border-left:2px solid var(--line);padding-left:1rem}
.toc strong{display:block;font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin-bottom:.6rem}
.toc a{display:block;padding:.22rem 0;color:var(--ink-2)}
.toc a.l3{padding-left:.8rem;font-size:.84rem}

/* filters */
.filters{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1.6rem}
.filters a{padding:.35rem .8rem;border-radius:100px;border:1px solid var(--line);background:var(--surface);font-size:.86rem;color:var(--ink-2);font-weight:520}
.filters a:hover{border-color:var(--brand);text-decoration:none}
.filters a.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* product */
.product-card{display:grid;grid-template-columns:96px 1fr auto;gap:1.1rem;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.15rem;box-shadow:var(--shadow)}
@media (max-width:720px){.product-card{grid-template-columns:64px 1fr}.product-card .buy{grid-column:1/-1}}
.pthumb{width:96px;height:96px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--line);display:grid;place-items:center;font-size:1.6rem;overflow:hidden}
@media (max-width:720px){.pthumb{width:64px;height:64px;font-size:1.2rem}}
.stars{color:#e0a92a;letter-spacing:1px;font-size:.9rem}
.buy{display:flex;flex-direction:column;gap:.4rem;min-width:150px}
.disclosure{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 30%,transparent);color:var(--warn);border-radius:var(--radius-sm);padding:.7rem .95rem;font-size:.84rem;margin:1.2rem 0}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0}
@media (max-width:600px){.proscons{grid-template-columns:1fr}}
.proscons ul{margin:.3rem 0 0;padding-left:1.1rem;font-size:.9rem;color:var(--ink-2)}

/* events */
.event-row{display:grid;grid-template-columns:110px 1fr auto;gap:1.2rem;padding:1.05rem 1.15rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);align-items:center;box-shadow:var(--shadow)}
@media (max-width:760px){.event-row{grid-template-columns:1fr;gap:.6rem}}
.datechip{background:var(--brand-soft);color:var(--brand-ink);border-radius:var(--radius-sm);padding:.55rem;text-align:center;font-weight:700;line-height:1.15}
.datechip .d{font-size:1.35rem;display:block}
.datechip .m{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}

/* ============ NEWS WIRE ============ */
.wire{border-top:2px solid var(--ink);margin-top:1rem}
.wire-item{display:grid;grid-template-columns:104px 1fr;gap:1.6rem;padding:1.4rem 0;border-bottom:1px solid var(--line);align-items:start}
@media (max-width:700px){.wire-item{grid-template-columns:1fr;gap:.5rem}}
.wire-when{font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3);font-weight:650;padding-top:.3rem;font-variant-numeric:tabular-nums}
.wire-item h3{font-size:1.28rem;margin:0 0 .35rem;letter-spacing:-.025em}
.wire-item h3 a{color:var(--ink)}
.wire-item h3 a:hover{color:var(--brand)}
.wire-stand{color:var(--ink-2);margin:0 0 .6rem;font-size:.97rem;max-width:68ch}
.wire-meta{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;font-size:.8rem;color:var(--ink-3)}
.impact{display:inline-flex;align-items:center;gap:.35rem;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.16rem .5rem;border-radius:4px}
.impact::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.impact-act{background:var(--danger-soft);color:var(--danger)}
.impact-plan{background:var(--warn-soft);color:var(--warn)}
.impact-know{background:var(--brand-soft);color:var(--brand-ink)}
.impact-bg{background:var(--surface-2);color:var(--ink-3)}
.wire-lead{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow);margin-bottom:2rem;border-top:4px solid var(--brand)}
.wire-lead h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:.5rem}
.wire-lead h2 a{color:var(--ink)}
.take{background:var(--surface-2);border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:1.1rem 1.3rem;margin:1.8rem 0}
.take h4{font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin:0 0 .5rem}
.take p:last-child{margin:0}
.source-line{font-size:.85rem;color:var(--ink-3);border-top:1px solid var(--line);padding-top:.9rem;margin-top:1.6rem}

/* ============ CASE STUDIES ============ */
.cs-hero{background:linear-gradient(150deg,#101528,#1b2745);color:#e8ecf7;padding:3.5rem 0 3rem}
.cs-hero h1{color:#fff;max-width:20ch}
.cs-hero .eyebrow{color:#7fa8ff}
.cs-hero .lede{color:#b9c4dd;max-width:62ch;font-size:1.08rem}
.cs-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);overflow:hidden;margin-top:2rem}
.cs-fact{background:#161d33;padding:1rem 1.1rem}
.cs-fact .l{font-size:.71rem;text-transform:uppercase;letter-spacing:.08em;color:#8ea0c6;margin-bottom:.2rem}
.cs-fact .v{font-weight:700;font-size:1.02rem;color:#fff;font-variant-numeric:tabular-nums}
.cs-sections{display:grid;gap:0}
.cs-block{padding:2.6rem 0;border-bottom:1px solid var(--line)}
.cs-block:last-child{border-bottom:0}
.cs-block > .wrap{display:grid;grid-template-columns:200px 1fr;gap:2.5rem;align-items:start}
@media (max-width:820px){.cs-block > .wrap{grid-template-columns:1fr;gap:.6rem}}
.cs-label{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--brand);position:sticky;top:80px}
.cs-num{display:block;font-size:2.6rem;line-height:1;font-weight:800;color:var(--line);margin-bottom:.4rem;font-variant-numeric:tabular-nums}
.metrics{display:grid;gap:1rem;margin:1.5rem 0}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.15rem}
.metric .mlabel{font-size:.85rem;font-weight:650;margin-bottom:.7rem;color:var(--ink-2)}
.mbar{display:grid;grid-template-columns:62px 1fr 78px;gap:.7rem;align-items:center;font-size:.82rem;margin-bottom:.35rem}
.mbar .mtag{color:var(--ink-3);text-transform:uppercase;font-size:.68rem;letter-spacing:.06em;font-weight:650}
.mtrack{background:var(--surface-2);border-radius:5px;height:22px;overflow:hidden;border:1px solid var(--line)}
.mfill{height:100%;border-radius:4px 0 0 4px;display:block}
.mfill.before{background:var(--ink-3)}
.mfill.after{background:var(--accent)}
.mval{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.cs-quote{background:var(--brand-soft);border-radius:var(--radius);padding:2rem;margin:2rem 0}
.cs-quote blockquote{border:0;background:none;padding:0;margin:0;font-size:1.25rem;line-height:1.45;color:var(--ink);font-family:var(--serif);font-style:italic}
.cs-quote cite{display:block;margin-top:.9rem;font-size:.88rem;color:var(--ink-3);font-style:normal}
.lessons{list-style:none;padding:0;margin:1rem 0;display:grid;gap:.6rem;counter-reset:l}
.lessons li{counter-increment:l;display:grid;grid-template-columns:28px 1fr;gap:.8rem;align-items:baseline;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.85rem 1rem}
.lessons li::before{content:counter(l);font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.cs-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.cs-card-top{background:linear-gradient(140deg,#141c31,#1f2c4d)}
.cs-card-top .badge{background:rgba(255,255,255,.14);color:#cfd9f0;border-color:transparent}
.cs-card-top h3{color:#fff;margin:.6rem 0 0;font-size:1.1rem}
.cs-card-top h3 a{color:#fff}
.cs-card-body{padding:1.2rem;display:flex;flex-direction:column;flex:1}
.cs-chips{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:auto;padding-top:.9rem}
.chip{background:var(--accent-soft);color:var(--accent);font-size:.75rem;font-weight:650;padding:.2rem .55rem;border-radius:5px;font-variant-numeric:tabular-nums}

/* ============ SPECTRUM EXPLORER ============ */
.spx{background:#0c101d;color:#dfe5f3;padding:3rem 0 4rem}
.spx h1,.spx h2,.spx h3{color:#fff}
.spx .eyebrow{color:#6f9bff}
.spx .lede{color:#a6b2ce;max-width:64ch;font-size:1.08rem}
.spx-chart{margin:2.5rem 0 1.5rem}
.spx-scale{display:flex;justify-content:space-between;font-size:.72rem;color:#7c88a8;margin-bottom:.4rem;font-variant-numeric:tabular-nums}
.spx-bands{display:grid;grid-template-columns:repeat(24,1fr);gap:3px;height:92px}
.spx-band{border:0;border-radius:6px;cursor:pointer;color:#fff;font-family:inherit;font-weight:700;font-size:.82rem;display:flex;flex-direction:column;justify-content:flex-end;padding:.6rem .7rem;text-align:left;position:relative;overflow:hidden;transition:transform .16s,box-shadow .16s;opacity:.82}
.spx-band:hover,.spx-band:focus-visible{transform:translateY(-3px);opacity:1;box-shadow:0 8px 22px -8px rgba(0,0,0,.8)}
.spx-band[aria-pressed="true"]{opacity:1;outline:2px solid #fff;outline-offset:2px}
.spx-band small{display:block;font-weight:500;font-size:.68rem;opacity:.85;margin-top:.1rem}
.spx-b24{background:var(--b24);grid-column:span 3}
.spx-b5{background:var(--b5);grid-column:span 8}
.spx-b6{background:var(--b6);grid-column:span 9}
.spx-bcbrs{background:var(--bcbrs);grid-column:span 2}
.spx-b60{background:var(--b60);grid-column:span 2}
@media (max-width:760px){.spx-bands{grid-template-columns:1fr;height:auto;gap:.5rem}.spx-band{grid-column:span 1!important;height:66px}}
.spx-panel{background:#141a2b;border:1px solid #242d45;border-radius:var(--radius);padding:1.8rem;margin-top:1.5rem}
.spx-panel[hidden]{display:none}
.spx-head{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;margin-bottom:1.2rem;padding-bottom:1.2rem;border-bottom:1px solid #242d45}
.spx-dot{width:14px;height:14px;border-radius:4px;flex:0 0 auto}
.spx-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem;margin-bottom:1.5rem}
.spx-stat{background:#0f1526;border:1px solid #242d45;border-radius:var(--radius-sm);padding:.9rem 1rem}
.spx-stat .l{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#7c88a8;margin-bottom:.25rem}
.spx-stat .v{font-weight:700;font-size:1.05rem;color:#fff;font-variant-numeric:tabular-nums}
.spx-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
@media (max-width:700px){.spx-cols{grid-template-columns:1fr}}
.spx-cols h4{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:#7c88a8;margin:0 0 .55rem}
.spx-cols ul{margin:0;padding-left:1.1rem;color:#c3cce2;font-size:.92rem}
.spx-cols li{margin-bottom:.4rem}
.spx-ch{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.6rem}
.spx-ch span{background:#0f1526;border:1px solid #2b3550;border-radius:4px;padding:.15rem .45rem;font-size:.74rem;color:#a6b2ce;font-variant-numeric:tabular-nums}
.spx-ch span.dfs{border-color:#8a6a2a;color:#e0b25f}
.spx-hint{color:#7c88a8;font-size:.86rem;text-align:center;margin-top:1rem}

/* ============ STACK PICKER ============ */
.picker{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.picker-progress{height:4px;background:var(--surface-2)}
.picker-progress span{display:block;height:100%;background:var(--ubnt);transition:width .3s}
.picker-body{padding:2rem}
@media (max-width:600px){.picker-body{padding:1.3rem}}
.pq{display:none}
.pq.on{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.pq .qnum{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);font-weight:700;margin-bottom:.5rem}
.pq h3{font-size:1.4rem;margin-bottom:.4rem}
.pq .qhint{color:var(--ink-3);font-size:.92rem;margin-bottom:1.4rem}
.popts{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.popt{text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem;cursor:pointer;font-family:inherit;transition:.15s;color:var(--ink)}
.popt:hover{border-color:var(--ubnt);transform:translateY(-2px)}
.popt strong{display:block;font-size:.98rem;margin-bottom:.2rem}
.popt span{font-size:.84rem;color:var(--ink-3);line-height:1.45}
.picker-nav{display:flex;justify-content:space-between;align-items:center;margin-top:1.6rem;gap:1rem}
.presult{display:none}
.presult.on{display:block}
.pstack{display:grid;gap:.8rem;margin:1.4rem 0}
.pslot{display:grid;grid-template-columns:44px 1fr auto;gap:1rem;align-items:center;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.9rem 1rem}
@media (max-width:640px){.pslot{grid-template-columns:44px 1fr}.pslot .buy{grid-column:2/-1}}
.pslot-icon{width:44px;height:44px;border-radius:9px;background:var(--ubnt-soft);color:var(--ubnt);display:grid;place-items:center;font-size:1.2rem;font-weight:700}
.pslot .role{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);font-weight:700}
.pslot h4{margin:.1rem 0 .15rem;font-size:1rem}
.pslot p{margin:0;font-size:.85rem;color:var(--ink-3)}
.psummary{background:var(--ubnt-soft);border-radius:var(--radius-sm);padding:1.1rem 1.3rem;margin-bottom:1.2rem}
.psummary h3{margin:0 0 .3rem;font-size:1.15rem;color:var(--ubnt)}
.psummary p{margin:0;font-size:.93rem;color:var(--ink-2)}

/* ============ UBIQUITI HUB ============ */
.ub-hero{background:linear-gradient(135deg,var(--ubnt),#03318a);color:#fff;padding:3.5rem 0 3rem}
.ub-hero h1{color:#fff}
.ub-hero .eyebrow{color:#bcd4ff}
.ub-hero .lede{color:rgba(255,255,255,.85);max-width:62ch;font-size:1.1rem}
.ub-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:1rem;margin-top:2rem}
.ub-tile{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);padding:1.2rem;color:#fff}
.ub-tile:hover{background:rgba(255,255,255,.2);text-decoration:none}
.ub-tile strong{display:block;font-size:1.02rem;margin-bottom:.25rem}
.ub-tile span{font-size:.85rem;color:rgba(255,255,255,.8);line-height:1.45}
.ladder{display:grid;gap:.6rem;margin:1.5rem 0}
.rung{display:grid;grid-template-columns:130px 1fr;gap:1.2rem;align-items:center;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--ubnt);border-radius:var(--radius-sm);padding:1rem 1.2rem}
@media (max-width:640px){.rung{grid-template-columns:1fr;gap:.35rem}}
.rung .tier{font-weight:800;color:var(--ubnt);font-size:.95rem}
.rung .tier small{display:block;font-weight:500;color:var(--ink-3);font-size:.78rem}
.rung p{margin:0;font-size:.92rem;color:var(--ink-2)}

/* newsletter / cta */
.cta-box{background:linear-gradient(135deg,var(--brand),#0b2a86);color:#fff;border-radius:var(--radius);padding:2.2rem;display:grid;gap:1rem;grid-template-columns:1.3fr 1fr;align-items:center}
@media (max-width:820px){.cta-box{grid-template-columns:1fr}}
.cta-box h2{color:#fff;margin-bottom:.3rem}
.cta-box p{color:rgba(255,255,255,.82);margin:0}
.subscribe{display:flex;gap:.5rem;flex-wrap:wrap}
.subscribe input{flex:1;min-width:190px;padding:.68rem .85rem;border-radius:9px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.12);color:#fff;font-family:inherit;font-size:.94rem}
.subscribe input::placeholder{color:rgba(255,255,255,.7)}
.subscribe button{background:#fff;color:var(--brand-ink);border:0;padding:.68rem 1.15rem;border-radius:9px;font-weight:700;cursor:pointer;font-family:inherit}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:2rem 0}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem}
.stat .n{font-size:1.7rem;font-weight:800;letter-spacing:-.03em;color:var(--brand);font-variant-numeric:tabular-nums}
.stat .l{font-size:.82rem;color:var(--ink-3)}

/* footer */
.site-foot{background:var(--surface);border-top:1px solid var(--line);padding:3rem 0 2rem;margin-top:4rem;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:2rem}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
.site-foot h4{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin-bottom:.7rem}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin-bottom:.35rem}
.site-foot a{color:var(--ink-2)}
.foot-bottom{border-top:1px solid var(--line);margin-top:2rem;padding-top:1.2rem;color:var(--ink-3);font-size:.84rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* forms */
.field{margin-bottom:1rem}
.field label{display:block;font-size:.82rem;font-weight:650;color:var(--ink-2);margin-bottom:.3rem}
.field .hint{font-size:.78rem;color:var(--ink-3);margin-top:.25rem}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=number],input[type=date],select,textarea{
  width:100%;padding:.6rem .75rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font-family:inherit;font-size:.94rem}
textarea{min-height:70px;resize:vertical;line-height:1.55}
textarea.code{font-family:var(--mono);font-size:.87rem;min-height:300px}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:1px;border-color:var(--brand)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:700px){.row2{grid-template-columns:1fr}}
.check{display:flex;align-items:center;gap:.5rem;font-size:.9rem}
.check input{width:auto}

/* flash */
.flash{padding:.75rem 1rem;border-radius:var(--radius-sm);margin-bottom:1.2rem;font-size:.9rem;font-weight:520}
.flash-ok{background:var(--accent-soft);color:var(--accent)}
.flash-err{background:var(--danger-soft);color:var(--danger)}

/* ADMIN */
.admin-shell{display:grid;grid-template-columns:238px 1fr;min-height:100vh;background:var(--surface-2)}
@media (max-width:860px){.admin-shell{grid-template-columns:1fr}.admin-side{position:static!important;height:auto!important}}
.admin-side{background:#101528;color:#c9d2ea;padding:1.2rem .9rem;position:sticky;top:0;height:100vh;overflow:auto}
.admin-side .brand{color:#fff;margin-bottom:1.4rem;padding:0 .4rem}
.admin-side h5{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:#6b779b;margin:1.3rem .5rem .4rem}
.admin-side a{display:flex;justify-content:space-between;gap:.5rem;padding:.48rem .6rem;border-radius:8px;color:#c9d2ea;font-size:.9rem}
.admin-side a:hover{background:rgba(255,255,255,.07);text-decoration:none;color:#fff}
.admin-side a.on{background:var(--brand);color:#fff}
.admin-side a .c{background:rgba(255,255,255,.13);border-radius:100px;padding:0 .45rem;font-size:.75rem}
.admin-main{padding:1.6rem 1.8rem 4rem;max-width:1100px}
@media (max-width:600px){.admin-main{padding:1.2rem}}
.admin-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}
.admin-head h1{font-size:1.6rem;margin:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;margin-bottom:1.3rem}
.panel>h2{font-size:1.05rem;margin-bottom:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.dtable{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--surface)}
.dtable th{font-size:.72rem}
.dtable td,.dtable th{padding:.6rem .7rem;border-bottom:1px solid var(--line)}
.dtable tr:hover td{background:var(--surface-2)}
.actions{display:flex;gap:.4rem;justify-content:end}
.login-page{min-height:100vh;display:grid;place-items:center;padding:2rem;background:linear-gradient(160deg,#101528,#1b2340)}
.login-card{background:var(--surface);border-radius:var(--radius);padding:2rem;width:100%;max-width:400px;box-shadow:0 20px 60px -20px rgba(0,0,0,.5)}
.muted{color:var(--ink-3);font-size:.85rem}

/* ============ LANGUAGE SWITCHER ============ */
.lang{position:relative;margin-left:.4rem;flex:0 0 auto}
.lang summary{list-style:none;display:flex;align-items:center;gap:.4rem;cursor:pointer;padding:.38rem .55rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:.8rem;font-weight:700;color:var(--ink-2);user-select:none}
.lang summary::-webkit-details-marker{display:none}
.lang summary:hover,.lang[open] summary{border-color:var(--brand);color:var(--ink)}
.lang svg{display:block;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.lang-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:.35rem;min-width:220px;z-index:60}
.lang-menu a{display:flex;align-items:center;gap:.65rem;padding:.5rem .6rem;border-radius:7px;color:var(--ink);font-size:.9rem;font-weight:600}
.lang-menu a:hover{background:var(--surface-2);text-decoration:none}
.lang-menu a.on{background:var(--brand-soft);color:var(--brand-ink)}
.lang-menu small{display:block;font-weight:500;font-size:.75rem;color:var(--ink-3)}
@media (max-width:1050px){.lang{margin-left:auto}.lang + .burger{margin-left:.4rem}}
.geo-note{background:var(--brand-soft);border-bottom:1px solid var(--line);font-size:.88rem;color:var(--ink-2)}
.geo-note .wrap{display:flex;align-items:center;justify-content:space-between;gap:.8rem;flex-wrap:wrap;padding-top:.55rem;padding-bottom:.55rem}
.geo-note span{display:inline-flex;align-items:center;gap:.5rem}
.geo-note svg{border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.geo-actions{gap:.4rem!important;flex-wrap:wrap}
.nav .nav-links{order:1}.nav .lang{order:2}.nav .burger{order:3}

/* ============ COOKIE NOTICE + DISCLAIMER ============ */
.consent{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -10px 30px -12px rgba(18,23,43,.3);font-size:.88rem;color:var(--ink-2)}
.consent[hidden]{display:none}
.consent-inner{display:grid;grid-template-columns:1fr auto;gap:1.2rem;align-items:center;padding-top:1rem;padding-bottom:1rem}
.consent-text p{margin:0 0 .45rem;max-width:95ch}
.consent-text p:last-child{margin:0}
.consent-text strong{color:var(--ink)}
.consent-actions{display:flex;flex-direction:column;gap:.45rem;min-width:190px}
.consent-actions .btn{justify-content:center}
body.has-consent{padding-bottom:190px}
@media (max-width:760px){.consent-inner{grid-template-columns:1fr}.consent-actions{flex-direction:row;flex-wrap:wrap}.consent-actions .btn{flex:1}body.has-consent{padding-bottom:330px}.consent{max-height:70vh;overflow:auto}}

/* ============ PRODUCT IMAGES ============ */
.pthumb img{width:100%;height:100%;object-fit:contain;background:#fff;padding:6px}
.pslot-icon:has(img){width:56px;height:56px;background:#fff;border:1px solid var(--line);overflow:hidden}
.pslot-icon img{width:100%;height:100%;object-fit:contain;padding:4px}
.product-hero{margin:0 0 1.6rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;place-items:center;padding:1.2rem;max-width:420px}
.product-hero img{max-height:300px;width:auto;object-fit:contain;margin:0;border:0}
.product-hero figcaption{font-size:.75rem;color:#6b7694;margin-top:.5rem}

/* ============ FAVOURITES + MARKET SWITCHER ============ */
.mkt-bar{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.85rem 1.1rem;margin-bottom:1.6rem;box-shadow:var(--shadow)}
.mkt-bar .mkt-label{font-size:.84rem;color:var(--ink-3);font-weight:600}
.mkt-opts{display:flex;gap:.35rem;flex-wrap:wrap}
.mkt-opts a{display:inline-flex;align-items:center;gap:.4rem;padding:.33rem .7rem;border-radius:100px;border:1px solid var(--line);font-size:.85rem;color:var(--ink-2);font-weight:520;background:var(--bg)}
.mkt-opts a:hover{border-color:var(--brand);text-decoration:none}
.mkt-opts a.on{background:var(--brand);border-color:var(--brand);color:#fff}
.mkt-opts a .fl{font-size:1.05em;line-height:1}
.mkt-note{font-size:.8rem;color:var(--ink-3);margin-left:auto}

.fav-grid{display:grid;gap:1.3rem}
.fav{display:grid;grid-template-columns:120px 1fr 230px;gap:1.5rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);position:relative}
@media (max-width:860px){.fav{grid-template-columns:72px 1fr}.fav .fav-buy{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:1rem 0 0;margin-top:.3rem}}
.fav.pick{border-color:var(--brand);border-width:1.5px}
.fav-pin{position:absolute;top:-10px;left:1.4rem;background:var(--brand);color:#fff;font-size:.68rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:.2rem .6rem;border-radius:100px}
.fav-thumb{width:120px;height:120px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--line);display:grid;place-items:center;font-size:2.1rem;overflow:hidden}
@media (max-width:860px){.fav-thumb{width:72px;height:72px;font-size:1.4rem}}
.fav h3{margin:.45rem 0 .3rem;font-size:1.22rem}
.fav h3 a{color:var(--ink)}
.fav-blurb{color:var(--ink-2);font-size:.95rem;margin:0 0 .9rem}
.fav-why{background:var(--accent-soft);border-radius:var(--radius-sm);padding:.9rem 1.1rem}
.fav-why h4{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin:0 0 .4rem;font-weight:700}
.fav-why p{margin:0 0 .6rem;font-size:.93rem;color:var(--ink-2)}
.fav-why p:last-child,.fav-why ul:last-child{margin-bottom:0}
.fav-why ul{margin:.3rem 0;padding-left:1.1rem;font-size:.93rem;color:var(--ink-2)}
.fav-buy{border-left:1px solid var(--line);padding-left:1.4rem;display:flex;flex-direction:column;gap:.55rem;justify-content:center}
.fav-price{font-size:1.45rem;font-weight:800;letter-spacing:-.025em;font-variant-numeric:tabular-nums;line-height:1.1}
.fav-price small{display:block;font-size:.72rem;font-weight:600;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase;margin-bottom:.15rem}
.fav-price.est{font-size:1rem;font-weight:650;color:var(--ink-3)}
.fav-store{font-size:.78rem;color:var(--ink-3)}
.fav-review{font-size:.82rem}
.no-tag{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 30%,transparent);color:var(--warn);border-radius:var(--radius-sm);padding:.55rem .8rem;font-size:.8rem;margin-top:.5rem}
.fav-toc{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1.8rem}
.fav-toc a{font-size:.84rem;padding:.3rem .7rem;border-radius:100px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2)}
.fav-toc a:hover{border-color:var(--brand);text-decoration:none}

/* admin markets table */
.mkt-admin td{vertical-align:middle}
.mkt-admin input[type=text]{padding:.4rem .55rem;font-size:.88rem}
.mkt-admin .code{font-family:var(--mono);font-weight:700;font-size:.9rem}
.mkt-admin .warn-row td{background:var(--warn-soft)}

/* Amazon Associates Operating Agreement §5 — the required disclosure, on every page.
   Quiet but legible: it has to be readable, not hidden. */
.foot-disclosure{
  border-top:1px solid var(--line); margin:2rem 0 0; padding-top:1.2rem;
  color:var(--ink-2); font-size:.84rem; line-height:1.55; max-width:95ch;
}