/* GPS Dog Fence · clean website system
   White and warm neutrals, one green for action, Geist. Depth from layered shadows, structure from hairlines. */
@font-face{font-family:'Geist';src:url('/assets/geist.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}

:root{
  --bg:#ffffff;--alt:#f6f5f1;--ink:#101511;--ink-2:#454d48;--muted:#636b65;--line:#e8e7e2;--line-2:#d8d7d0;
  --green:#1b7a4a;--green-2:#146039;--tint:#e8f2ec;--peach:#f8eee4;--star:#e5a00d;--dark:#111613;
  --font:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --max:1160px;--gutter:clamp(20px,4vw,40px);
  --r-sm:10px;--r:14px;--r-lg:22px;--r-xl:28px;
  --ease:cubic-bezier(0.2,0,0,1);
  --ring:0 0 0 1px rgb(16 21 17 / .07);
  --shadow:0 0 0 1px rgb(16 21 17 / .06),0 1px 2px rgb(16 21 17 / .04),0 10px 28px -14px rgb(16 21 17 / .14);
  --shadow-lg:0 0 0 1px rgb(16 21 17 / .06),0 2px 4px rgb(16 21 17 / .04),0 24px 48px -24px rgb(16 21 17 / .22);
  --img-outline:1px solid oklch(0 0 0 / .1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:'ss01'}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus{outline:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}
.sr-only{position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-48px;z-index:100;padding:8px 12px;border-radius:8px;background:var(--ink);color:#fff}
.skip:focus{top:12px}
.wrap{width:min(100% - var(--gutter)*2,var(--max));margin-inline:auto}
.num{font-variant-numeric:tabular-nums}
.ico{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Type ---------- */
.label{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.display{font-size:clamp(40px,2.2rem + 1.7vw,56px);font-weight:600;line-height:1.02;letter-spacing:-.04em;text-wrap:balance}
.h2{font-size:clamp(30px,1.6rem + 1.4vw,44px);font-weight:600;line-height:1.08;letter-spacing:-.032em;text-wrap:balance}
.h3{font-size:20px;font-weight:600;line-height:1.3;letter-spacing:-.015em;text-wrap:balance}
.sub{font-size:clamp(17px,1rem + .25vw,19px);line-height:1.55;color:var(--ink-2);text-wrap:pretty;max-width:38em}
.small{font-size:14px;color:var(--muted);line-height:1.5}
.sec{padding:clamp(80px,9vw,128px) 0}
.sec.alt{background:var(--alt)}
.sec-head{max-width:44em;margin-bottom:clamp(36px,4vw,56px);display:grid;gap:14px;justify-items:start}
.sec-head.center{text-align:center;margin-inline:auto;justify-items:center}
.sec-head.center .sub{margin-inline:auto}

/* ---------- Stars ---------- */
.stars{display:inline-flex;gap:2px;color:var(--star)}
.stars svg{width:16px;height:16px;fill:currentColor}
.stars.sm svg{width:14px;height:14px}
.rating-line{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:15px;color:var(--ink-2)}
.rating-line b{color:var(--ink);font-weight:600}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;border:0;font-size:16px;font-weight:600;letter-spacing:-.005em;text-decoration:none;cursor:pointer;white-space:nowrap;transition-property:background-color,box-shadow,scale;transition-duration:150ms;transition-timing-function:var(--ease)}
.btn:active{scale:.96}
.btn .ico{stroke-width:2;width:17px;height:17px;transition:translate 150ms var(--ease)}
.btn:hover .ico{translate:2px 0}
.btn-primary{background:var(--green);color:#fff;box-shadow:inset 0 1px 0 rgb(255 255 255 / .14),0 1px 2px rgb(16 21 17 / .16),0 0 0 1px var(--green-2)}
.btn-primary:hover{background:var(--green-2)}
.btn-secondary{background:#fff;color:var(--ink);box-shadow:0 0 0 1px var(--line-2),0 1px 2px rgb(16 21 17 / .05)}
.btn-secondary:hover{box-shadow:0 0 0 1px var(--ink),0 1px 2px rgb(16 21 17 / .05)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--tint)}
.btn-lg{min-height:54px;padding:0 26px;font-size:16.5px;border-radius:14px}
.btn-sm{min-height:40px;padding:0 16px;font-size:14.5px;border-radius:10px}
.btn-block{width:100%}
.text-link{font-weight:600;color:var(--ink);text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;padding-bottom:2px;transition:background-size 200ms var(--ease)}
.text-link{background-image:linear-gradient(var(--line-2),var(--line-2)),linear-gradient(currentColor,currentColor);background-size:100% 1.5px,0 1.5px;background-position:0 100%,0 100%}
.text-link:hover{background-size:100% 1.5px,100% 1.5px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;background:var(--green);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.chip-quiet{background:#fff;color:var(--ink-2);box-shadow:var(--ring)}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgb(255 255 255 / .86);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);box-shadow:0 1px 0 rgb(16 21 17 / .06)}
.nav-row{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:17px;letter-spacing:-.015em}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--green);display:grid;place-items:center;flex:none;box-shadow:inset 0 1px 0 rgb(255 255 255 / .18)}
.brand-mark svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linejoin:round}
.brand small{color:var(--muted);font-weight:400;font-size:17px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{text-decoration:none;font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 12px;border-radius:9px;transition-property:background-color,color;transition-duration:150ms;transition-timing-function:var(--ease)}
.nav-links a:hover{color:var(--ink);background:var(--alt)}
.nav .btn{min-height:42px;padding:0 18px;font-size:15px;border-radius:11px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:0;border-radius:11px;background:#fff;box-shadow:var(--ring);place-items:center;cursor:pointer;transition:scale 150ms var(--ease)}
.nav-toggle:active{scale:.96}
.nav-mobile{display:none}
@media (max-width:900px){
  .nav-links,.nav .btn-primary{display:none}
  .nav-toggle{display:grid}
  .nav-mobile:not([hidden]){display:flex;flex-direction:column;gap:2px;padding:8px var(--gutter) 18px;background:#fff;box-shadow:0 1px 0 rgb(16 21 17 / .06)}
  .nav-mobile a{display:flex;align-items:center;min-height:50px;text-decoration:none;font-size:17px;font-weight:500;box-shadow:0 1px 0 var(--line)}
  .nav-mobile .btn{margin-top:12px;box-shadow:none;min-height:52px}
}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,5vw,72px) 0 clamp(56px,6vw,88px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,5vw,72px);align-items:center}
.hero-copy{display:grid;gap:22px;justify-items:start}
.hero-copy .label{margin-bottom:-4px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero-media{border-radius:var(--r-xl);overflow:hidden;aspect-ratio:1;background:var(--alt);box-shadow:var(--shadow-lg)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:clamp(48px,5vw,72px);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.stats li{display:grid;gap:2px;padding:26px 28px;position:relative}
.stats li+li::before{content:'';position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--line)}
.stats b{font-size:clamp(26px,1.3rem + 1vw,36px);font-weight:600;letter-spacing:-.035em;line-height:1.1;font-variant-numeric:tabular-nums}
.stats span{font-size:14.5px;color:var(--muted)}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}.hero-media{order:-1;aspect-ratio:5/4}.hero-media img{object-position:50% 30%}}
@media (max-width:760px){.stats{grid-template-columns:1fr 1fr}.stats li{padding:20px;align-content:start}.stats span{font-size:13.5px;line-height:1.35}.stats li:nth-child(3)::before{display:none}.stats li:nth-child(n+3){box-shadow:0 -1px 0 var(--line)}}

/* ---------- Comparison ---------- */
.cmp-card{border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.cmp-scroll{overflow-x:auto;scrollbar-width:none}
.cmp-scroll::-webkit-scrollbar{display:none}
.cmp{width:100%;min-width:780px;border-collapse:separate;border-spacing:0}
.cmp th,.cmp td{padding:18px 22px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line);background:#fff;font-size:16px}
.cmp thead th{padding-top:24px;padding-bottom:20px;vertical-align:bottom}
.cmp thead th:first-child,.cmp tbody th{position:sticky;left:0;z-index:2;width:170px;min-width:140px;font-weight:500;color:var(--muted);font-size:15px}
.cmp thead th:first-child{z-index:3}
.cmp .pn{display:flex;flex-direction:column;gap:2px;align-items:flex-start}
.cmp .pn b{font-size:18px;font-weight:600;letter-spacing:-.015em;color:var(--ink)}
.cmp .pn span{font-size:14px;color:var(--muted)}
.cmp .pn .chip{margin-bottom:8px;order:-1;color:#fff;font-size:12.5px}
.cmp .price{font-size:22px;font-weight:600;letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.cmp .was{display:block;font-size:13px;color:var(--muted);text-decoration:line-through;margin-top:2px}
.cmp td.pick,.cmp th.pick{background:var(--tint)}
.cmp thead th.pick{box-shadow:inset 0 3px 0 var(--green)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp .yes,.cmp .no{display:inline-flex;align-items:center;gap:8px}
.cmp .yes svg{color:var(--green);stroke-width:2}
.cmp .no svg{color:#b8b7b0;stroke-width:2}
.cmp .tiny{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.cmp .take{font-size:15px;color:var(--ink-2);line-height:1.45;display:block;max-width:22em}
.cmp .dash{color:var(--muted)}
.cmp-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding:16px 22px;background:var(--alt);font-size:14px;color:var(--muted);box-shadow:inset 0 1px 0 var(--line)}
.cmp-foot a{color:var(--ink-2)}

/* ---------- Full specifications (always visible) ---------- */
.specs-block{display:grid;gap:8px;margin-top:clamp(40px,5vw,64px);scroll-margin-top:96px}
.h2s{font-size:clamp(24px,1.2rem + .8vw,30px);font-weight:600;line-height:1.15;letter-spacing:-.028em;text-wrap:balance}
.specs-in{margin-top:12px;border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.mx{overflow-x:auto;scrollbar-width:none}
.mx::-webkit-scrollbar{display:none}
.mx table{width:100%;min-width:880px;border-collapse:separate;border-spacing:0;font-size:15px}
.mx th,.mx td{padding:14px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);background:#fff;line-height:1.5}
.mx thead th{font-weight:600;font-size:15px}
.mx thead th span{display:block;font-weight:400;color:var(--muted);font-size:13px}
.mx thead th:first-child,.mx tbody th{position:sticky;left:0;z-index:2;width:190px;min-width:150px;font-weight:500;color:var(--muted);font-size:14px}
.mx thead th:first-child{z-index:3}
.mx th.pick,.mx td.pick{background:var(--tint)}
.mx tbody tr:last-child th,.mx tbody tr:last-child td{border-bottom:0}
.mx .fine{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.mx .price{font-weight:600}
.mx .was{margin-left:6px;font-size:13px;color:var(--muted)}
@media (max-width:600px){.mx thead th:first-child,.mx tbody th,.guide .mx thead th:first-child,.guide .mx tbody th{width:118px;min-width:108px;padding-inline:14px}}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.tile{grid-column:span 2;display:flex;flex-direction:column;gap:10px;padding:28px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);min-height:280px}
.tile.t-map{grid-column:span 4}
.tile.t-half{grid-column:span 3;min-height:0}
.tile-k{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tile-t{font-size:21px;font-weight:600;letter-spacing:-.02em;line-height:1.25;text-wrap:balance}
.tile-p{font-size:15px;color:var(--ink-2);line-height:1.5;margin-top:auto;text-wrap:pretty}
.t-fee .tile-p{margin-top:0}
.fee-cmp{display:grid;gap:0;margin:auto 0 0;border-radius:var(--r);background:var(--alt);padding:4px 14px}
.fee-cmp div{display:flex;justify-content:space-between;align-items:center;padding:10px 0;font-size:14.5px}
.fee-cmp div+div{box-shadow:inset 0 1px 0 var(--line)}
.fee-cmp dt{color:var(--ink-2)}
.fee-cmp dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.fee-cmp .me dt{color:var(--ink);font-weight:600}
.fee-cmp .me dd{color:var(--green-2)}
.tile-big{font-size:clamp(72px,4rem + 2vw,104px);font-weight:400;letter-spacing:-.06em;line-height:.95;margin:6px 0 4px}
.tile-big small{font-size:.3em;letter-spacing:-.01em;color:var(--muted);margin-left:4px}
.t-dark{background:var(--dark);color:#fff;box-shadow:0 24px 48px -28px rgb(16 21 17 / .5)}
.t-dark .tile-k{color:rgb(255 255 255 / .55)}
.t-dark .tile-p{color:rgb(255 255 255 / .72)}
.t-warm{background:var(--peach)}
.tile-img{margin:14px 0;border-radius:var(--r-sm)}
.tile-icon{height:72px;width:auto;margin:18px auto;opacity:.92}
.map{position:relative;margin:8px 0 6px;border-radius:var(--r);overflow:hidden;aspect-ratio:2172/724;outline:var(--img-outline);outline-offset:-1px}
.map img{width:100%;height:100%;object-fit:cover}
.map svg{position:absolute;inset:0;width:100%;height:100%}
.map-line{fill:rgb(27 122 74 / .1);stroke:var(--green);stroke-width:3;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:0}
.pt{position:absolute;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px var(--green),0 1px 3px rgb(0 0 0 / .2)}
.fit-bar{height:12px;border-radius:999px;margin:22px 0 8px;background:linear-gradient(90deg,#ece6da,#c9c3ac 22%,#1b7a4a 70%,#14482f)}
.fit-scale{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.alerts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0 8px}
.alerts li{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);background:var(--alt);font-size:14.5px;font-weight:500}
.alerts span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:var(--ring);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
@media (max-width:980px){.tile,.tile.t-map,.tile.t-half{grid-column:span 6;min-height:0}}
@media (min-width:640px) and (max-width:980px){.bento .tile:not(.t-map):not(.t-half){grid-column:span 3}.bento .tile.t-warm{grid-column:span 6}}

/* ---------- Reasons ---------- */
.reasons-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(40px,6vw,96px);align-items:start}
.phone{position:sticky;top:104px;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg);max-width:360px;background:#fff}
.phone img{width:100%;outline:var(--img-outline);outline-offset:-1px;border-radius:var(--r-xl)}
.reasons{display:grid;grid-template-columns:1fr 1fr;gap:28px 36px;counter-reset:r;margin-bottom:40px}
.reasons li{counter-increment:r;display:grid;gap:8px;padding-top:20px;box-shadow:inset 0 1px 0 var(--line)}
.reasons li::before{content:counter(r,decimal-leading-zero);font-size:13px;font-weight:600;color:var(--green);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.reasons h3{font-size:19px;font-weight:600;letter-spacing:-.015em;line-height:1.3}
.reasons p{font-size:15.5px;color:var(--ink-2);line-height:1.55;text-wrap:pretty}
@media (max-width:900px){.reasons-grid{grid-template-columns:1fr}.phone{position:static;max-width:300px;margin-inline:auto}}
@media (max-width:600px){.reasons{grid-template-columns:1fr}}

/* ---------- How ---------- */
.how-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(40px,6vw,96px);align-items:center}
.steps{display:grid;gap:12px}
.steps li{display:grid;grid-template-columns:40px 1fr;gap:18px;align-items:start;padding:22px 24px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.steps .n{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--tint);color:var(--green-2);font-weight:600;font-variant-numeric:tabular-nums}
.steps h3{font-size:18px;font-weight:600;letter-spacing:-.015em;margin:7px 0 4px}
.steps p{font-size:15.5px;color:var(--ink-2);line-height:1.55}
.how-media{border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/5;box-shadow:var(--shadow-lg)}
.how-media img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.how-grid{grid-template-columns:1fr}.how-media{aspect-ratio:4/3;max-width:560px}}

/* ---------- Choose ---------- */
.choose{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:16px}
.choice{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:28px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.choice.pick{background:linear-gradient(180deg,var(--tint),#fff 70%);box-shadow:0 0 0 1.5px var(--green),0 16px 40px -24px rgb(27 122 74 / .45)}
.choice .when{font-size:15.5px;color:var(--ink-2);line-height:1.5}
.choice .who{display:flex;justify-content:space-between;gap:12px;width:100%;margin-top:auto;padding-top:16px;font-size:15px;font-weight:600;box-shadow:inset 0 1px 0 var(--line)}
.choice .who span{color:var(--muted);font-weight:500;font-variant-numeric:tabular-nums}
.choice .btn{width:100%;margin-top:4px}
@media (max-width:900px){.choose{grid-template-columns:1fr}}

/* ---------- Product ---------- */
.product{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(40px,6vw,88px);align-items:center}
.product-media{display:grid;gap:18px}
.product-stage{display:grid;place-items:center;aspect-ratio:4/3;border-radius:var(--r-xl);background:radial-gradient(120% 90% at 50% 40%,#fff 0,#eef1ec 70%);box-shadow:var(--shadow);padding:clamp(20px,4vw,40px)}
.product-stage img{width:100%;transition-property:opacity,scale,filter;transition-duration:220ms;transition-timing-function:var(--ease)}
.product-stage img.swapping{opacity:0;scale:.97;filter:blur(4px)}
.swatch-row{display:flex;align-items:center;gap:14px;justify-content:center}
.swatches{display:flex;gap:10px}
.swatches button{width:30px;height:30px;border-radius:50%;border:0;padding:0;background:var(--c);cursor:pointer;box-shadow:inset 0 0 0 1px rgb(0 0 0 / .12);transition-property:box-shadow,scale;transition-duration:150ms;transition-timing-function:var(--ease)}
.swatches button:active{scale:.92}
.swatches button[aria-checked="true"]{box-shadow:inset 0 0 0 1px rgb(0 0 0 / .12),0 0 0 3px var(--alt),0 0 0 4.5px var(--ink)}
.swatch-name{font-size:14px;color:var(--muted);min-width:4.5em}
.product-copy{display:grid;gap:16px;justify-items:start}
.price-line{display:flex;align-items:baseline;gap:12px;margin-top:6px}
.price-now{font-size:44px;font-weight:600;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.price-line s{font-size:19px;color:var(--muted)}
.save{align-self:center;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--tint);color:var(--green-2);font-size:13px;font-weight:600}
.price-sub{font-size:14.5px;color:var(--muted);margin-top:-8px}
.checks{display:grid;gap:12px;margin:8px 0 10px;width:100%}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:16px;line-height:1.45}
.checks .ico{color:var(--green);stroke-width:2;margin-top:2px}
.trust{display:grid;grid-template-columns:repeat(3,auto);justify-content:space-between;gap:10px 16px;width:100%;margin-top:4px;font-size:14px;color:var(--ink-2)}
.trust li{display:flex;align-items:center;gap:8px}
.trust .ico{width:17px;height:17px;color:var(--muted)}
@media (max-width:480px){.trust{grid-template-columns:repeat(3,1fr);text-align:center;font-size:13px}.trust li{flex-direction:column;gap:6px}}
@media (max-width:900px){.product{grid-template-columns:1fr}}

/* ---------- Cost ---------- */
.cost-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,96px);align-items:center}
.cost-grid>div{display:grid;gap:14px;justify-items:start}
.seg{position:relative;display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;padding:4px;border-radius:999px;background:var(--alt);box-shadow:inset 0 0 0 1px var(--line);margin-top:12px}
.seg-pill{position:absolute;top:4px;bottom:4px;left:0;width:0;border-radius:999px;background:#fff;box-shadow:0 0 0 1px rgb(16 21 17 / .06),0 1px 3px rgb(16 21 17 / .12);transition-property:translate,width;transition-duration:300ms;transition-timing-function:var(--ease)}
.seg button{position:relative;z-index:1;border:0;background:transparent;border-radius:999px;padding:9px 18px;font-size:15px;font-weight:500;color:var(--muted);cursor:pointer;transition:color 150ms var(--ease)}
.seg button[aria-pressed="true"]{color:var(--ink)}
.bars{display:grid;gap:26px;padding:32px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.bar-row{display:grid;grid-template-columns:1fr auto;grid-template-areas:'l v' 'b b' 'n n';gap:8px 16px;align-items:end}
.bar-l{grid-area:l;font-weight:600;font-size:17px}
.bar-l span{font-weight:400;color:var(--muted);font-size:15px;margin-left:8px}
.bar-v{grid-area:v;font-size:22px;font-weight:600;letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.bar-b{grid-area:b;height:12px;border-radius:999px;background:var(--alt);overflow:hidden}
.bar-b>i{display:block;height:100%;width:var(--w,0%);background:#c9c8c1;border-radius:999px;transition:width 500ms var(--ease)}
.bar-row.pick .bar-b>i{background:var(--green)}
.bar-row.pick .bar-l{color:var(--green-2)}
.bar-n{grid-area:n;font-size:14px;color:var(--muted)}
@media (max-width:900px){.cost-grid{grid-template-columns:1fr}.bars{padding:24px}}

/* ---------- Reviews ---------- */
.rail-wrap{position:relative}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:max(min(270px,78vw),calc((min(100vw - var(--gutter) * 2,var(--max)) - 48px) / 4));gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;padding:4px max(var(--gutter),(100vw - var(--max))/2) 24px;scroll-padding-inline:max(var(--gutter),(100vw - var(--max))/2)}
.rail::-webkit-scrollbar{display:none}
.rcard{scroll-snap-align:start;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.rcard img{aspect-ratio:1;width:100%;object-fit:cover}
.rcard-b{display:grid;justify-items:center;gap:10px;padding:20px 22px 24px;text-align:center}
.rcard-b p{font-size:16.5px;line-height:1.45;letter-spacing:-.01em;text-wrap:balance}
.rcard cite{font-style:normal;font-size:14px;font-weight:600}
.rail-nav[hidden]{display:none}
.rail-nav{display:flex;justify-content:flex-end;gap:8px;width:min(100% - var(--gutter)*2,var(--max));margin:0 auto}
.rail-btn{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:0;background:#fff;box-shadow:var(--shadow);cursor:pointer;transition-property:scale,opacity,box-shadow;transition-duration:150ms;transition-timing-function:var(--ease)}
.rail-btn:hover{box-shadow:0 0 0 1px var(--ink)}
.rail-btn:active{scale:.96}
.rail-btn[disabled]{opacity:.35;cursor:default;scale:1}
.rail-btn .ico{stroke-width:2}
.rv-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin:56px 0 24px;padding-top:40px;box-shadow:inset 0 1px 0 var(--line-2)}
.rv-score{display:flex;align-items:center;gap:14px}
.rv-score>b{font-size:48px;font-weight:600;letter-spacing:-.045em;line-height:1}
.rv-score>div{display:grid;gap:4px;font-size:14.5px;color:var(--muted)}
.rv-grid{columns:4 250px;column-gap:16px}
.rv{break-inside:avoid;margin-bottom:16px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);overflow:hidden}
.rv img{width:100%;aspect-ratio:4/5;object-fit:cover}
.rv-b{display:grid;gap:8px;padding:18px 20px 20px}
.rv-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.rv-name{display:flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.rv-ver{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;font-weight:500;color:var(--green-2)}
.rv-ver svg{width:14px;height:14px;fill:var(--green);stroke:none}
.rv time{font-size:13px;color:var(--muted)}
.rv p{font-size:15px;line-height:1.55;color:var(--ink-2);text-wrap:pretty}
@media (max-width:600px){.rv-grid{columns:auto;display:grid;grid-auto-flow:column;grid-auto-columns:84%;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin-inline:calc(var(--gutter) * -1);padding:4px var(--gutter) 16px;scroll-padding-inline:var(--gutter)}.rv-grid::-webkit-scrollbar{display:none}.rv{margin:0;scroll-snap-align:start}}
.rv-item{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(40px,6vw,96px);align-items:start}
.faq-side{position:sticky;top:104px;display:grid;gap:16px;justify-items:start}
.faq-list{box-shadow:inset 0 1px 0 var(--line)}
.faq{padding:24px 0 26px;box-shadow:inset 0 -1px 0 var(--line)}
.faq h3{font-size:18.5px;font-weight:600;letter-spacing:-.015em;line-height:1.35;text-wrap:balance}
.faq-a p{margin-top:8px;color:var(--ink-2);line-height:1.65;font-size:16.5px;text-wrap:pretty;max-width:40em}
.faq-a a{color:var(--ink);font-weight:500;text-decoration:underline;text-decoration-color:var(--muted);text-underline-offset:3px;transition:text-decoration-color 150ms var(--ease)}
.faq-a a:hover{text-decoration-color:var(--ink)}
@media (max-width:900px){.faq-grid{grid-template-columns:1fr}.faq-side{position:static}}

/* ---------- Final ---------- */
.final{background:var(--dark);color:#fff;padding:clamp(72px,8vw,112px) 0}
.final-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.final .h2{color:#fff}
.final p{color:rgb(255 255 255 / .68);margin-top:12px;max-width:34em;font-size:17px}

/* ---------- Footer ---------- */
.foot{padding:56px 0 120px;font-size:14px;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px 40px}
.foot-grid p{margin-top:14px;max-width:40ch;line-height:1.6}
.foot-col{display:flex;flex-direction:column;gap:10px}
.foot-col h2{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:4px}
.foot-col a{text-decoration:none;color:var(--muted);transition:color 150ms var(--ease)}
.foot-col a:hover{color:var(--ink)}
.foot-base{margin-top:40px;padding-top:20px;box-shadow:inset 0 1px 0 var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font-size:13px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1 / -1}}

/* ---------- Sticky CTA ---------- */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgb(255 255 255 / .9);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);box-shadow:0 -1px 0 rgb(16 21 17 / .08),0 -12px 32px -20px rgb(16 21 17 / .25);padding:12px var(--gutter) calc(12px + env(safe-area-inset-bottom));translate:0 110%;transition:translate 320ms var(--ease)}
.sticky.show{translate:0 0}
.sticky[hidden]{display:none}
.sticky-row{display:flex;align-items:center;justify-content:space-between;gap:14px;max-width:var(--max);margin-inline:auto}
.sticky-copy{display:grid;line-height:1.3;font-size:14.5px}
.sticky-copy b{font-weight:600}
.sticky-copy span{color:var(--muted);font-size:13px}
.sticky .btn{min-height:46px;padding:0 20px;font-size:15px}
@media (max-width:600px){.sticky-copy .r{display:none}}

/* ---------- Articles ---------- */
.art-head{padding:clamp(48px,6vw,88px) 0 28px}
.art-head>*{max-width:760px}
.crumbs{display:flex;gap:10px;font-size:14px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted);text-decoration:none;transition:color 150ms var(--ease)}
.crumbs a:hover{color:var(--ink)}
.art-head h1{font-size:clamp(34px,1.8rem + 1.6vw,50px);font-weight:600;line-height:1.06;letter-spacing:-.035em;text-wrap:balance}
.art-head .sub{margin-top:18px}
.meta{margin-top:16px;font-size:14px;color:var(--muted)}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(40px,6vw,88px);align-items:start;padding-bottom:clamp(64px,8vw,112px)}
.prose{max-width:680px;font-size:17.5px;line-height:1.72;color:var(--ink-2)}
.prose h2{font-size:27px;font-weight:600;color:var(--ink);letter-spacing:-.025em;margin:1.9em 0 .6em;line-height:1.2;text-wrap:balance}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;font-weight:600;color:var(--ink);margin:1.5em 0 .5em}
.prose p{margin:0 0 1.15em;text-wrap:pretty}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.4em}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--muted);text-underline-offset:3px;transition:text-decoration-color 150ms var(--ease)}
.prose a:hover{text-decoration-color:var(--ink)}
.prose .btn{margin:.3em 0 1.4em;text-decoration:none;color:#fff}
.prose .mx{margin:1.4em 0 1.8em;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.prose .mx table{min-width:560px}
.aside{position:sticky;top:96px;padding:12px 12px 24px;border-radius:var(--r-xl);background:#fff;box-shadow:var(--shadow);display:grid;gap:14px}
.aside>*:not(img){margin-inline:12px}
.aside img{border-radius:calc(var(--r-xl) - 12px);background:var(--alt);outline:var(--img-outline);outline-offset:-1px}
.aside .chip{justify-self:start}
.aside .h3{font-size:19px}
.aside .price-big{font-size:30px;font-weight:600;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.aside .price-big small{display:block;font-size:13px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:6px}
.aside ul{padding-left:18px;font-size:15px;color:var(--ink-2);display:grid;gap:4px;list-style:disc}
.aside .small{text-align:center}
@media (max-width:960px){.art-grid{grid-template-columns:minmax(0,1fr)}.aside{position:static;max-width:460px}}
.not-found{padding:112px 0;display:grid;gap:18px;justify-items:start;max-width:40em}

/* ---------- Buying guide ---------- */
.byline{font-size:14px;color:var(--muted)}
.guide-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:start;margin-top:clamp(56px,6vw,88px)}
.toc{position:sticky;top:96px;display:grid;gap:14px}
.toc-t{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.toc ol{display:grid;gap:2px;margin-left:-10px}
.toc ol a{display:block;padding:7px 10px;border-radius:9px;font-size:15px;line-height:1.35;color:var(--muted);text-decoration:none;transition-property:background-color,color;transition-duration:150ms;transition-timing-function:var(--ease)}
.toc ol a:hover{color:var(--ink);background:var(--alt)}
.toc ol a[aria-current="true"]{color:var(--ink);background:var(--alt)}
.toc .btn{margin-top:8px;justify-self:start}
.guide.prose{max-width:720px}
.guide>section{scroll-margin-top:96px}
.guide>section+section{margin-top:3em;padding-top:3em;box-shadow:inset 0 1px 0 var(--line)}
.guide h2{margin-top:0}
.guide .lead{font-size:19px;line-height:1.6;color:var(--ink)}
.guide strong{color:var(--ink);font-weight:600}
.guide .mx table{min-width:600px;font-size:15px}
.guide .mx thead th:first-child,.guide .mx tbody th{width:170px;min-width:130px}
.prose ol.howto{list-style:none;padding:0;margin:1.4em 0 1.2em;counter-reset:s;display:grid;gap:22px}
.howto li{position:relative;padding-left:52px;margin:0;counter-increment:s}
.howto li::before{content:counter(s);position:absolute;left:0;top:-2px;width:34px;height:34px;border-radius:50%;background:var(--alt);display:grid;place-items:center;font-size:15px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.prose .howto h3{margin:0 0 .2em;font-size:18px;line-height:1.35}
.howto p{margin:0}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:1.2em 0 1.4em}
.pc>div{padding:22px 24px;border-radius:var(--r-lg);background:var(--alt)}
.prose .pc h3{margin:0 0 .6em;font-size:17px}
.prose .pc-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.pc-list li{position:relative;margin:0;padding-left:28px;font-size:16px;line-height:1.5}
.pc-list li::before{content:'';position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:var(--ring)}
.pc-list li::after{content:'';position:absolute;left:5px;top:11px;width:8px;height:1.75px;border-radius:2px;background:var(--muted)}
.pc-list.yes li::before{background:var(--green)}
.pc-list.yes li::after{left:6px;top:8px;width:6px;height:9px;border:solid #fff;border-width:0 1.75px 1.75px 0;border-radius:0;background:none;rotate:45deg}
.cta-box{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:18px;margin:1.6em 0 .4em;padding:14px 18px 14px 14px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.cta-box img{border-radius:var(--r-sm);background:var(--alt);aspect-ratio:4/3;object-fit:contain;padding:8px}
.prose .cta-box p{margin:0}
.cta-t{font-weight:600;color:var(--ink);font-size:17px}
.cta-s{font-size:14.5px;color:var(--muted)}
.prose .cta-box .btn{margin:0}
.terms{display:grid;grid-template-columns:200px minmax(0,1fr);gap:0;margin:1.2em 0 1.6em;font-size:16.5px}
.terms dt,.terms dd{padding:12px 0;box-shadow:inset 0 -1px 0 var(--line)}
.terms dt{font-weight:600;color:var(--ink);padding-right:16px}
.terms dd{margin:0}
.next{font-size:15.5px}
@media (max-width:960px){.guide-grid{grid-template-columns:minmax(0,1fr)}.toc{position:static}.toc ol{grid-template-columns:1fr 1fr;column-gap:12px}}
@media (max-width:600px){.toc ol{grid-template-columns:1fr}.pc{grid-template-columns:1fr}.terms{grid-template-columns:1fr}.terms dt{box-shadow:none;padding-bottom:0}.terms dd{padding-top:4px}.cta-box{grid-template-columns:84px 1fr}.cta-box .btn{grid-column:1/-1;justify-content:center}}

/* ---------- Image outlines ---------- */
.hero-media img,.how-media img,.rcard img,.rv img{outline:var(--img-outline);outline-offset:-1px}

/* ---------- Reveal: nothing is hidden by CSS. app.js fades in only blocks that start below the fold, as they arrive. ---------- */
.js .t-map .map-line{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1400ms var(--ease) 300ms}
.js .t-map.in .map-line{stroke-dashoffset:0}
.js .t-map .pt{opacity:0;scale:.25;transition-property:opacity,scale;transition-duration:300ms;transition-timing-function:var(--ease)}
.js .t-map.in .pt{opacity:1;scale:1}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .t-map .map-line{stroke-dashoffset:0;transition:none}
  .js .t-map .pt{opacity:1;scale:1;transition:none}
  .rail{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:1ms !important;animation-duration:1ms !important}
}
@media (max-width:760px){
  body{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch;width:100%}
  .final-in{flex-direction:column;align-items:stretch}
  .final .btn{width:100%}
  .rv-head .btn{width:100%}
}
@media print{.nav,.sticky,.final{display:none !important}}

/* ---------- Best GPS dog fence roundup ---------- */
.best-top{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start;margin-top:clamp(28px,4vw,44px)}
.picks{display:grid;gap:12px;padding:24px 26px 26px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);scroll-margin-top:96px}
.picks-t{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.picks>p:not(.picks-t){font-size:16px;line-height:1.55;color:var(--ink-2)}
.picks ol{display:grid;gap:0;counter-reset:pk;margin:2px 0 6px}
.picks li{counter-increment:pk;display:flex;align-items:center;gap:10px;padding:9px 0;box-shadow:inset 0 -1px 0 var(--line);font-size:15.5px}
.picks li:last-child{box-shadow:none}
.picks li::before{content:counter(pk);flex:none;width:24px;height:24px;border-radius:50%;background:var(--alt);display:grid;place-items:center;font-size:13px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.picks li:first-child::before{background:var(--green);color:#fff}
.picks li a{color:var(--ink);text-decoration:none}
.picks li a:hover{text-decoration:underline;text-underline-offset:3px}
.picks .chip{height:22px;padding:0 9px;font-size:12px;margin-left:auto}
.picks .btn{justify-self:start}
.intro{font-size:clamp(18px,1rem + .35vw,21px);line-height:1.6;color:var(--ink);max-width:62ch}
.guide .entry h2{display:block}
.guide .week{display:grid;gap:12px;margin:1em 0 1.3em;padding-left:1.3em}
.guide .week li{padding-left:4px;line-height:1.6}
.guide .beat{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.pc-list.keep li::before{background:var(--tint);box-shadow:none}
.pc-list.keep li::after{left:8px;top:8px;width:2px;height:10px;background:var(--green)}
.note{margin:1.4em 0;padding:16px 20px;border-radius:var(--r-md,14px);background:var(--tint);font-size:16px;line-height:1.55}
.note p{margin:0}
.entry-cta{margin:1.2em 0 0}
.guide .close{margin-top:3em;padding-top:3em;box-shadow:inset 0 1px 0 var(--line);font-size:19px;line-height:1.6;color:var(--ink)}
.mx tr.pick th,.mx tr.pick td{background:var(--tint)}
.mx tr.pick th{color:var(--ink);font-weight:600}
@media (max-width:960px){.best-top{grid-template-columns:minmax(0,1fr)}}

/* ---------- Store version: buy box and roundup page ---------- */
.hero-copy{gap:18px}
.buy{display:grid;gap:16px;width:100%;max-width:520px;padding:22px 24px 20px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.buy-head{display:grid;gap:6px}
.buy-name{font-size:15px;font-weight:600;color:var(--ink)}
.buy .price-line{margin-top:0}
.buy-color{display:flex;align-items:center;gap:14px}
.buy-thumb{width:112px;height:auto;flex:none;border-radius:var(--r-sm);background:radial-gradient(120% 90% at 50% 40%,#fff 0,#eef1ec 70%);padding:6px;transition-property:opacity,filter;transition-duration:220ms;transition-timing-function:var(--ease)}
.buy-thumb.swapping{opacity:0;filter:blur(4px)}
.buy-note{font-size:13.5px;line-height:1.5;color:var(--muted)}
.buy-note a{color:var(--ink);text-underline-offset:3px}
.buy .trust{margin-top:0;padding-top:14px;box-shadow:inset 0 1px 0 var(--line)}
@media (max-width:960px){.hero-media{aspect-ratio:16/10}.buy{max-width:none}}
.roundup .art-head{padding-bottom:0}
.roundup-body{padding-top:clamp(28px,4vw,44px)}
.roundup-body .best-top{margin-top:0}
@media (max-width:960px){.hero-copy .buy{order:1}.hero-copy #definition{order:2}.hero-media{aspect-ratio:2/1}.hero{padding-top:20px}.hero-copy{gap:14px}}
.save{white-space:nowrap}

/* ---------- Pre-launch fixes ---------- */
.hero-grid>*{min-width:0}
.price-line{flex-wrap:wrap;row-gap:6px}
.aside a.small{display:block;padding:6px 0}
@media (max-width:480px){.buy{padding:18px 16px 16px}.buy .price-now{font-size:38px}.buy-thumb{width:92px}}
.buy-color{flex-wrap:wrap}
@media (max-width:360px){.buy-thumb{width:72px}.buy-color{gap:10px}.swatch-name{min-width:0}}
/* Phones: show part of the next column and say the table scrolls */
@media (max-width:680px){
  .cmp{min-width:660px}
  .cmp th,.cmp td{padding:14px;font-size:15px}
  .cmp thead th:first-child,.cmp tbody th{width:92px;min-width:92px;font-size:13.5px;padding-inline:14px 8px}
  .cmp .price{font-size:19px}
  .cmp .pn b{font-size:16px}
  .cmp .take{font-size:14px}
  .cmp-card::before,.mx::before{content:'Swipe sideways to compare →';display:block;font-size:13px;font-weight:500;color:var(--ink-2)}
  .cmp-card::before{padding:12px 14px 2px}
  .mx::before{position:sticky;left:0;padding:10px 14px 8px;background:#fff}
}