/* Find My Device+ — iOS-native design system.
   Apple system font stack (SF Pro on Apple devices), iOS system colors,
   grouped rounded cards, frosted surfaces, spring-curve motion. */

:root{
  --ink:#000000;
  --ink-2:#1C1C1E;
  --ink-3:#3A3A3C;
  --paper:#F5F5F7;
  --paper-2:#FFFFFF;
  --paper-3:#E8E8ED;
  --signal:#0A84FF;
  --signal-dk:#0066CC;
  --deep:#0066CC;
  --btn:#007AFF;
  --warm:#FF9F0A;
  --alert:#FF3B30;
  --rule:rgba(0,0,0,.10);
  --rule-dk:rgba(255,255,255,.16);
  --muted:#6E6E73;
  --muted-dk:#98989D;

  --display:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text','Helvetica Neue','Segoe UI',Roboto,Arial,sans-serif;
  --body:-apple-system,BlinkMacSystemFont,'SF Pro Text','SF Pro Display','Helvetica Neue','Segoe UI',Roboto,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono',SFMono-Regular,Menlo,Consolas,monospace;

  --ease:cubic-bezier(.16,1,.3,1);
  --shadow-sm:0 1px 2px rgba(0,0,0,.04),0 4px 14px rgba(0,0,0,.05);
  --shadow-md:0 2px 6px rgba(0,0,0,.05),0 14px 34px rgba(0,0,0,.09);

  --wrap:1180px;
  --measure:70ch;
  --r:14px;
  --r-lg:20px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}
body{
  margin:0;background:var(--paper);color:#1D1D1F;
  font-family:var(--body);font-size:17px;line-height:1.55;
  letter-spacing:-.011em;
  hyphens:none;-webkit-hyphens:none;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--deep);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--signal-dk)}
:focus-visible{outline:2.5px solid var(--btn);outline-offset:2px;border-radius:6px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--btn);color:#fff;padding:10px 18px;border-radius:980px}

/* scroll reveal (added by JS; no-JS users see everything instantly) */
.rv{opacity:0;transform:translateY(16px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- small caps label (eyebrows, metadata) ---------- */
.readout{
  font-family:var(--body);font-size:12px;letter-spacing:.07em;
  text-transform:uppercase;color:var(--muted);font-weight:600;
}
.readout--dk{color:var(--muted-dk)}
.readout .dot{color:var(--signal);padding:0 .5em}

/* ---------- header: frosted glass ---------- */
.hdr{position:sticky;top:0;z-index:40;color:#F5F5F7;
  background:rgba(22,22,23,.92);
  border-bottom:.5px solid rgba(255,255,255,.10)}
@supports (backdrop-filter:blur(20px)) or (-webkit-backdrop-filter:blur(20px)){
  .hdr{background:rgba(22,22,23,.72);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
}
.hdr__in{display:flex;align-items:center;gap:28px;min-height:56px;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mark{font-family:var(--display);font-weight:600;font-size:17px;letter-spacing:-.02em;color:#F5F5F7;text-decoration:none;white-space:nowrap}
.mark b{color:var(--signal);font-weight:600}
.nav{display:flex;gap:24px;margin-left:auto;flex-wrap:wrap}
.nav a{color:#F5F5F7;opacity:.8;text-decoration:none;font-size:14px;font-weight:400;
  transition:opacity .3s var(--ease),color .3s var(--ease)}
.nav a:hover,.nav a[aria-current]{opacity:1;color:#fff}
.hdr .btn{margin-left:4px}
@media (max-width:900px){
  .hdr__in{min-height:52px;gap:14px}
  .nav{display:none}
  .hdr .btn{margin-left:auto}
}

/* ---------- buttons: iOS pills ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--btn);color:#fff;text-decoration:none;
  font-family:var(--body);font-weight:600;font-size:15px;letter-spacing:-.01em;
  padding:11px 22px;border-radius:980px;border:0;white-space:nowrap;
  transition:background .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.btn:hover{background:#0071E3;color:#fff;box-shadow:0 6px 20px rgba(0,113,227,.28)}
.btn:active{transform:scale(.96)}
.btn--lg{font-size:17px;padding:15px 30px}
.btn--ghost{background:rgba(255,255,255,.12);color:#F5F5F7;box-shadow:none}
.btn--ghost:hover{background:rgba(255,255,255,.2);color:#fff;box-shadow:none}
.btn--out{background:rgba(0,122,255,.10);color:var(--btn);box-shadow:none}
.btn--out:hover{background:rgba(0,122,255,.16);color:var(--signal-dk);box-shadow:none}

/* official App Store badge */
.badge{display:inline-flex;border-radius:13px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.badge img{display:block;width:180px;height:60px}
.badge:hover{transform:scale(1.04);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.badge:active{transform:scale(.97)}
.badge--card{margin-inline:auto}
.badge--card img{width:150px;height:50px}

/* ---------- breadcrumb ---------- */
.crumb{padding:16px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.crumb li::after{content:'›';color:var(--muted);padding-left:8px}
.crumb li:last-child::after{content:''}
.crumb a{color:var(--muted);text-decoration:none;transition:color .3s var(--ease)}
.crumb a:hover{color:var(--deep)}

/* ---------- hero (home) ---------- */
.hero{background:var(--ink);color:#F5F5F7;position:relative;overflow:hidden}
.hero__in{max-width:var(--wrap);margin:0 auto;padding:84px 24px 92px;position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero h1{font-family:var(--display);font-weight:700;letter-spacing:-.03em;line-height:1.04;
  font-size:clamp(2.6rem,6.2vw,4.4rem);margin:.35em 0 .4em}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero__sub{font-size:1.2rem;line-height:1.55;color:#A1A1A6;max-width:46ch;margin:0 0 30px;font-weight:400}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero__meta{margin-top:28px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.pill{font-family:var(--body);font-size:12px;letter-spacing:.05em;text-transform:uppercase;font-weight:600;
  color:#A1A1A6;background:rgba(255,255,255,.08);border:.5px solid rgba(255,255,255,.12);border-radius:980px;padding:6px 14px}
@media (max-width:900px){
  .hero__in{grid-template-columns:1fr;gap:40px;padding:56px 24px 64px}
}

/* hero holo-table sonar: phone frame running the finder scene */
.hs{position:relative;display:flex;justify-content:center}
.hs__halo{position:absolute;inset:6% 0;
  background:radial-gradient(ellipse at 50% 45%,rgba(10,132,255,.22),transparent 62%);
  filter:blur(34px);pointer-events:none;animation:haloBreathe 10s ease-in-out infinite}
@keyframes haloBreathe{0%,100%{opacity:.5}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){.hs__halo{animation:none}}
.hs__viewport{position:relative;width:336px;height:700px;border-radius:48px;overflow:hidden;
  flex-shrink:0;border:1px solid rgba(235,235,245,.14);
  box-shadow:0 30px 80px rgba(0,0,0,.65);background:#04060A}
@media (max-width:400px){.hs__viewport{transform:scale(.86);transform-origin:top center;margin-bottom:-98px}}
#hs-scene{position:absolute;inset:0;width:100%;height:100%}
.hs__wordmark{position:absolute;top:26px;left:0;right:0;text-align:center;z-index:6;
  font-size:12px;font-weight:600;letter-spacing:.34em;text-transform:uppercase;
  color:rgba(235,235,245,.38)}
.hs__readout{position:absolute;left:0;right:0;top:46%;transform:translateY(-50%);
  display:flex;flex-direction:column;align-items:center;gap:2px;
  z-index:6;opacity:0;transition:opacity .4s ease;pointer-events:none}
.hs__pct{font-size:78px;font-weight:700;letter-spacing:-.04em;line-height:1;
  color:#F2F2F2;font-variant-numeric:tabular-nums;
  text-shadow:0 0 38px rgba(10,132,255,.6);will-change:transform}
.hs__pct small{font-size:30px;font-weight:600;color:rgba(235,235,245,.62)}
.hs__dist{font-size:15px;color:rgba(235,235,245,.62);font-variant-numeric:tabular-nums}
.hs__who{margin-top:10px;font-size:12px;font-weight:600;color:rgba(235,235,245,.62);
  background:rgba(28,28,30,.75);border:.5px solid rgba(235,235,245,.14);
  padding:6px 14px;border-radius:980px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.hs__hint{position:absolute;left:0;right:0;bottom:40px;text-align:center;z-index:6;
  font-size:13px;color:rgba(235,235,245,.62);min-height:18px}
.hs__seal{position:absolute;left:50%;top:46%;z-index:7;
  transform:translate(-50%,-50%) scale(.4);opacity:0;pointer-events:none}
.hs__disc{width:104px;height:104px;border-radius:50%;background:var(--signal);
  display:grid;place-items:center;
  box-shadow:0 0 60px rgba(10,132,255,.65),0 0 120px rgba(10,132,255,.3)}
.hs__seal.on{animation:sealPop .55s cubic-bezier(.2,1.25,.3,1.05) forwards}
@keyframes sealPop{to{transform:translate(-50%,-50%) scale(1);opacity:1}}
.hs__label{margin-top:14px;text-align:center;font-size:13px;font-weight:600;
  color:#F2F2F2;white-space:nowrap}

/* ---------- generic page head ---------- */
.phead{padding:40px 0 32px}
.phead h1{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.08;
  font-size:clamp(2rem,4.4vw,3.05rem);margin:.24em 0 .3em;max-width:22ch}
.phead__lede{font-size:1.16rem;line-height:1.55;color:var(--muted);max-width:56ch;margin:0}

/* ---------- article layout ---------- */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:56px;padding:36px 0 72px;align-items:start}
@media (max-width:1000px){.cols{grid-template-columns:1fr;gap:36px;padding:28px 0 56px}}

.prose{max-width:var(--measure)}
.prose h2{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:1.16;
  font-size:1.7rem;margin:2.4em 0 .55em;padding-top:.2em}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--display);font-weight:600;font-size:1.18rem;letter-spacing:-.015em;margin:2em 0 .4em}
.prose p{margin:0 0 1.15em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose li{margin:0 0 .55em}
.prose ul li::marker{color:var(--signal)}
.prose ol li::marker{font-weight:600;color:var(--signal-dk)}
.prose strong{font-weight:600}

.note{background:var(--paper-2);box-shadow:var(--shadow-sm);
  padding:16px 20px;margin:0 0 1.4em;border-radius:var(--r)}
.note p{margin:0;font-size:.97rem;color:var(--ink-3)}

.steps{list-style:none;margin:0 0 1.6em;padding:0;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 18px 48px;margin:0 0 18px;border-bottom:.5px solid var(--rule)}
.steps li:last-child{border-bottom:0;margin-bottom:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;
  display:flex;align-items:center;justify-content:center;width:30px;height:30px;
  font-size:14px;font-weight:600;color:var(--btn);
  background:rgba(0,122,255,.10);border-radius:50%}
.steps b{display:block;font-family:var(--display);font-weight:600;font-size:1.05rem;margin-bottom:3px;letter-spacing:-.015em}

/* spec table */
.spec{width:100%;border-collapse:collapse;margin:0 0 1.8em;font-size:.95rem}
.spec th,.spec td{text-align:left;padding:12px 0;border-bottom:.5px solid var(--rule);vertical-align:top}
.spec th{width:38%;font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);font-weight:600;padding-right:20px}
.spec td{color:var(--ink-3)}
.yes{color:#248A3D;font-weight:600}
.no{color:var(--alert);font-weight:600}

/* FAQ */
.faq{margin:2.6em 0 0}
.faq__q{background:var(--paper-2);border-radius:var(--r);box-shadow:var(--shadow-sm);padding:18px 20px;margin:0 0 12px}
.faq__q h3{font-family:var(--display);font-weight:600;font-size:1.06rem;margin:0 0 .35em;letter-spacing:-.015em}
.faq__q p{margin:0;color:var(--ink-3);font-size:.98rem}

/* ---------- sidebar ---------- */
.side{position:sticky;top:84px;display:flex;flex-direction:column;gap:20px}
@media (max-width:1000px){.side{position:static}}
.card{border-radius:var(--r-lg);padding:22px;background:var(--paper-2);box-shadow:var(--shadow-sm)}
.card--dk{background:var(--ink-2);color:#F5F5F7;box-shadow:none}
.card--dk p{color:#A1A1A6}
.card h2,.card h3{font-family:var(--display);font-weight:600;font-size:1.05rem;margin:.5em 0 .5em;letter-spacing:-.015em}
.card--dk h2,.card--dk h3{color:#F5F5F7}
.card p{font-size:.93rem;margin:0 0 14px;color:var(--muted)}
.card .btn{width:100%;justify-content:center}
.toc{list-style:none;margin:8px 0 0;padding:0}
.toc li{border-top:.5px solid var(--rule);padding:9px 0}
.toc a{display:block;font-size:.92rem;text-decoration:none;color:var(--ink-3);line-height:1.4;transition:color .3s var(--ease)}
.toc a:hover{color:var(--btn)}

/* ---------- cards / grids ---------- */
.sec{padding:72px 0}
.sec--ink{background:var(--ink);color:#F5F5F7}
.sec--tint{background:var(--paper-2)}
.sec__hd{max-width:60ch;margin:0 0 36px}
.sec__hd h2{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.1;
  font-size:clamp(1.8rem,3.4vw,2.5rem);margin:.35em 0 .35em}
.sec__hd p{font-size:1.08rem;color:var(--muted);margin:0}
.sec--ink .sec__hd p{color:#A1A1A6}

.grid{display:grid;gap:16px}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(216px,1fr))}

/* hub index items */
.row{display:block;text-decoration:none;color:inherit;
  border-radius:var(--r-lg);padding:20px;background:var(--paper-2);box-shadow:var(--shadow-sm);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.row:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);color:inherit}
.row h3{font-family:var(--display);font-weight:600;font-size:1.08rem;letter-spacing:-.015em;margin:.5em 0 .35em;line-height:1.28}
.row p{font-size:.93rem;color:var(--muted);margin:0;line-height:1.5}
.row .readout{display:flex;align-items:center;gap:7px}
.sec--ink .row{background:var(--ink-2);box-shadow:none}
.sec--ink .row:hover{background:#242426}
.sec--ink .row h3{color:#F5F5F7}
.sec--ink .row p{color:#A1A1A6}

/* signal bar: encodes findability */
.bars{display:inline-flex;gap:2px;align-items:flex-end;height:11px}
.bars i{width:3px;background:var(--paper-3);border-radius:1px}
.bars i:nth-child(1){height:4px}
.bars i:nth-child(2){height:6px}
.bars i:nth-child(3){height:8.5px}
.bars i:nth-child(4){height:11px}
.bars[data-s="4"] i{background:var(--signal)}
.bars[data-s="3"] i:nth-child(-n+3){background:var(--signal)}
.bars[data-s="2"] i:nth-child(-n+2){background:var(--warm)}
.bars[data-s="1"] i:nth-child(1){background:var(--alert)}
.sec--ink .bars i{background:rgba(255,255,255,.2)}

/* feature block with screenshot */
.shot{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:center}
@media (max-width:860px){.shot{grid-template-columns:1fr;gap:28px}}
.shot img{border-radius:22px;box-shadow:var(--shadow-md);margin-inline:auto}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips a{display:inline-block;font-size:13.5px;letter-spacing:-.01em;font-weight:500;
  text-decoration:none;color:#1D1D1F;border-radius:980px;padding:7px 15px;background:var(--paper);
  transition:background .3s var(--ease),color .3s var(--ease)}
.chips a:hover{background:rgba(0,122,255,.10);color:var(--btn)}

.lede-lg{font-size:1.2rem;line-height:1.55;color:var(--muted);max-width:58ch}

/* ---------- footer: light, apple style ---------- */
.ftr{background:var(--paper);color:#1D1D1F;padding:56px 0 34px;border-top:.5px solid var(--rule)}
.ftr__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:34px}
.ftr h2{font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);font-weight:600;margin:0 0 14px}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin:0 0 9px}
.ftr a{color:#424245;text-decoration:none;font-size:.92rem;transition:color .3s var(--ease)}
.ftr a:hover{color:var(--btn)}
.ftr__base{margin-top:44px;padding-top:22px;border-top:.5px solid var(--rule);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.ftr .readout--dk{color:var(--muted)}

/* mobile install bar: frosted iOS dock */
.installbar{display:none}
@media (max-width:760px){
  .installbar{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:50;
    background:rgba(250,250,250,.82);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
    border:.5px solid rgba(0,0,0,.08);border-radius:980px;
    padding:9px 9px 9px 20px;align-items:center;gap:12px;
    box-shadow:0 8px 30px rgba(0,0,0,.16)}
  .installbar span{font-size:13px;letter-spacing:-.01em;font-weight:500;
    color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .installbar .btn{margin-left:auto;padding:9px 18px;font-size:14px}
  body{padding-bottom:78px}
}

/* ---------- related searches ---------- */
.rs{padding:36px 0 40px}
.chips--rs{gap:9px}
.chips--rs a{font-size:.9rem;padding:8px 16px;line-height:1.35;background:var(--paper)}
.sec--tint .chips--rs a{background:var(--paper)}
.chips--rs a:hover{background:rgba(0,122,255,.10)}

/* ---------- glossary definition block ---------- */
.def{background:var(--paper-2);box-shadow:var(--shadow-sm);
  padding:22px 24px;margin:0 0 1.8em;border-radius:var(--r-lg)}
.def p{margin:0;font-size:1.06rem;line-height:1.55;color:#1D1D1F}
.def .readout{display:block;margin:0 0 8px}

/* ---------- prose auto-links ---------- */
.prose p a,.prose li a{color:var(--deep);text-decoration:underline;
  text-decoration-color:rgba(0,122,255,.35);text-decoration-thickness:1.5px;
  transition:color .3s var(--ease),text-decoration-color .3s var(--ease)}
.prose p a:hover,.prose li a:hover{color:var(--btn);text-decoration-color:var(--btn)}

/* ---------- html sitemap ---------- */
.smap{columns:3;column-gap:36px;margin:0;padding:0;list-style:none}
@media (max-width:900px){.smap{columns:2}}
@media (max-width:560px){.smap{columns:1}}
.smap li{break-inside:avoid;padding:5px 0;font-size:.93rem}
.smap a{text-decoration:none;color:var(--ink-3);transition:color .3s var(--ease)}
.smap a:hover{color:var(--btn)}