/* Android Headless Mirror - REX Technologies. Ink/signal palette shared across REX products. */

:root{
  --ink:#080A09;
  --panel:#111512;
  --raised:#181E19;
  --line:#29302A;
  --text:#F2F5EE;
  --muted:#858D83;
  --signal:#D7FF3F;
  --live:#FF774D;
  --signal-wash:rgba(215,255,63,.10);
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:18px;
  --gutter:clamp(16px,4vw,32px);
  --page:1120px;
  --section:clamp(56px,8vw,96px);
  --font:Inter,"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:"Cascadia Mono","SF Mono",Consolas,ui-monospace,Menlo,monospace;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink);scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--signal);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit}
svg{display:block}
code,kbd,pre{font-family:var(--mono)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}

.container{width:min(var(--page),100% - 2 * var(--gutter));margin-inline:auto}
.section{padding:var(--section) 0;border-top:1px solid var(--line)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--signal);color:var(--ink);padding:10px 14px;border-radius:var(--radius-s);font-weight:700;z-index:100}
.skip-link:focus{top:12px}

h1,h2,h3{margin:0;line-height:1.15;font-weight:700;letter-spacing:-.01em}
h1,h2{text-wrap:balance}
h1{font-size:clamp(40px,6.4vw,78px);letter-spacing:-.035em;font-weight:900}
h1 span{color:var(--signal)}
h2{font-size:clamp(28px,4.2vw,46px)}
h3{font-size:19px}
p{margin:0}
strong{font-weight:700;color:var(--text)}

.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:9px}
.eyebrow.signal{color:var(--signal)}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 5px var(--signal-wash)}

.ambient{position:fixed;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.14;z-index:-2}
.ambient-one{width:520px;height:520px;background:var(--signal);top:90px;right:-230px}
.ambient-two{width:420px;height:420px;background:var(--live);top:620px;left:-250px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,10,9,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{min-height:64px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);min-height:44px}
.brand:hover{text-decoration:none}
.brand-mark{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:var(--raised);border:1px solid var(--line)}
.brand-mark svg{width:23px;fill:none;stroke:var(--signal);stroke-width:1.8;stroke-linecap:round}
.brand-lockup{display:flex;flex-direction:column;gap:1px;line-height:1.08}
.brand-company{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}
.brand-name{font-size:16px;font-weight:700;color:var(--text)}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.site-nav a{color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;padding:10px 12px;border-radius:var(--radius-s);min-height:44px;display:inline-flex;align-items:center}
.site-nav a:hover{color:var(--text);text-decoration:none;background:var(--raised)}
.nav-github{color:var(--ink)!important;background:var(--signal)!important;margin-left:6px;padding-inline:16px!important}
.nav-github:hover{opacity:.9}
.menu-button{margin-left:auto;display:none;min-width:44px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-s);background:transparent;color:var(--text);cursor:pointer}
.menu-button span:not(.sr-only){display:block;width:16px;height:2px;background:currentColor;margin:5px auto}

/* Hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center;padding:clamp(48px,7vw,96px) 0 clamp(40px,6vw,72px)}
.hero-copy{display:flex;flex-direction:column;gap:22px}
.hero-lede{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 20px;border-radius:var(--radius-m);font-weight:700;border:1px solid transparent}
.button:hover{text-decoration:none}
.button-primary{background:var(--signal);color:var(--ink)}
.button-primary:hover{filter:brightness(1.05)}
.button-secondary{background:var(--raised);color:var(--text);border-color:var(--line)}
.button-secondary:hover{border-color:var(--muted)}
.download-meta{margin-top:-8px;color:var(--muted);font-size:13px;font-family:var(--mono)}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:13px;font-weight:600}
.hero-meta span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--signal);margin-right:8px;vertical-align:middle}

/* App window mock */
.app-window{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5);font-size:12px}
.app-topbar{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--raised)}
.app-title{font-weight:700;color:var(--text)}
.app-chip{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-weight:600;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}
.app-chip i{width:7px;height:7px;border-radius:50%;background:var(--signal)}
.app-zoom{margin-left:auto;color:var(--muted);font-family:var(--mono)}
.app-body{display:grid;grid-template-columns:1fr 150px;min-height:330px}
.app-mirror{display:grid;place-items:center;background:var(--ink);padding:16px}
.app-phone{width:126px;height:272px;border-radius:18px;border:2px solid var(--line);background:linear-gradient(180deg,#1A201B 0%,#2D3A2F 100%);position:relative;display:grid;place-items:center}
.app-phone-time{position:absolute;top:10px;left:14px;color:var(--text);font-weight:700;font-size:11px}
.app-phone-dots{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.app-phone-dots i{width:26px;height:26px;border-radius:8px;background:rgba(215,255,63,.18);border:1px solid rgba(215,255,63,.35)}
.app-sidebar{border-left:1px solid var(--line);display:flex;flex-direction:column;background:var(--panel)}
.app-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.app-tabs span{padding:8px 0;text-align:center;color:var(--muted);font-size:10px;font-weight:700}
.app-tabs .active{color:var(--signal);box-shadow:inset 0 -2px var(--signal)}
.app-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:10px}
.app-tiles span{display:grid;place-items:center;height:36px;border-radius:var(--radius-s);background:var(--raised);border:1px solid var(--line);color:var(--text);font-size:10px;font-weight:600}
.app-status{margin-top:auto;padding:8px 10px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;font-family:var(--mono)}

/* Trust strip */
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:18px 0}
.trust-grid div{display:flex;flex-direction:column;gap:2px}
.trust-grid strong{font-size:14px}
.trust-grid span{font-size:13px;color:var(--muted)}

/* Sections */
.section-heading{display:flex;flex-direction:column;gap:12px;max-width:72ch;margin-bottom:clamp(28px,4vw,44px)}
.section-heading p{color:var(--muted);font-size:17px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-l);padding:24px;display:flex;flex-direction:column;gap:12px}
.step p{color:var(--muted)}
.step-number{font-family:var(--mono);color:var(--signal);font-weight:700;font-size:13px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-l);padding:24px;display:flex;flex-direction:column;gap:10px}
.feature-card p{color:var(--muted)}

/* Gestures */
.gesture-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gesture-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-l);padding:24px;display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:center}
.gesture-visual{position:relative;height:96px;border-radius:var(--radius-m);background:var(--raised);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;gap:8px}
.gesture-visual kbd{padding:4px 8px;border-radius:6px;border:1px solid var(--line);background:var(--panel);font-size:12px;font-weight:700}
.gesture-visual .plus{color:var(--muted);font-weight:700}
.finger{width:18px;height:18px;border-radius:50%;background:var(--signal);opacity:.9}
.gesture-copy{display:flex;flex-direction:column;gap:8px}
.gesture-copy p{color:var(--muted)}
.gesture-kicker{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}
.shortcut-table{margin-top:16px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px}
.shortcut-table div{display:flex;align-items:center;gap:6px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
.shortcut-table kbd{padding:3px 8px;border-radius:6px;border:1px solid var(--line);background:var(--raised);color:var(--text);font-size:12px;font-weight:700}
.shortcut-table span{margin-left:6px}
.browse-heading{margin-top:40px}
.browse-heading h3{font-size:22px;margin:8px 0 6px}

/* Install */
.install-steps{margin:0;padding-left:0;list-style:none;counter-reset:step;display:grid;gap:14px;max-width:80ch}
.install-steps li{counter-increment:step;position:relative;padding-left:48px;color:var(--muted)}
.install-steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:var(--mono);font-weight:700;color:var(--signal)}
.install-steps code{color:var(--text);background:var(--raised);padding:1px 6px;border-radius:5px;font-size:14px}
.install-steps a{text-decoration:underline;text-underline-offset:3px}
.command-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:8px}
.command-row code{padding:10px 14px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--panel);font-size:13px;overflow:auto;max-width:100%}
.copy-button{min-height:40px;padding:0 14px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--raised);color:var(--text);font-weight:700;cursor:pointer}
.copy-button:hover{border-color:var(--muted)}
.install-note{margin-top:22px;color:var(--muted);max-width:80ch}
.install-note code,.source-note code{color:var(--text);background:var(--raised);padding:1px 6px;border-radius:5px;font-size:14px}
.source-note{margin-top:18px;max-width:80ch;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);padding:0 20px}
.source-note summary{cursor:pointer;padding:14px 0;font-weight:700;color:var(--muted)}
.source-note p{color:var(--muted);padding-bottom:12px}
.source-note .command-row{padding-bottom:18px}

/* CLI */
.console{margin:0;padding:22px;border-radius:var(--radius-l);background:var(--panel);border:1px solid var(--line);overflow:auto;font-size:13.5px;line-height:1.7;color:var(--text)}
.section-heading code{color:var(--text);background:var(--raised);padding:1px 6px;border-radius:5px;font-size:14px}

/* FAQ */
.faq{display:grid;gap:10px;max-width:80ch}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);padding:0 20px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--signal);font-weight:700;font-size:20px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 18px;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
.footer-wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.site-footer a{text-decoration:underline;text-underline-offset:3px}

.footer-links{display:flex;gap:18px}
.site-nav a[aria-current="page"],.page-index a[aria-current="true"],.doc-contents a[aria-current="true"]{color:var(--signal)}

/* 404 */
.not-found{padding:clamp(72px,14vh,140px) 0;max-width:720px}
.not-found h1{margin:14px 0 0;font-size:clamp(34px,5.6vw,60px)}
.not-found .hero-lede{margin-top:16px}
.not-found .hero-actions{margin-top:28px}
.not-found-links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.not-found-links a{color:var(--muted)}
.not-found-links a:hover{color:var(--signal)}

/* Inner pages */
.page-hero{padding:clamp(40px,6vw,72px) 0 clamp(20px,3vw,32px);display:flex;flex-direction:column;gap:16px}
.page-hero>*{max-width:80ch}
.page-hero h1{font-size:clamp(34px,5.2vw,58px)}
.page-hero code{color:var(--text);background:var(--raised);padding:1px 6px;border-radius:5px;font-size:.9em}
.page-body{padding-bottom:var(--section)}
.page-index{display:flex;flex-wrap:wrap;gap:6px 8px;padding:14px 0 18px;border-bottom:1px solid var(--line);margin-bottom:8px}
.page-index a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--muted);font-size:14px;font-weight:600}
.page-index a:hover{color:var(--text);text-decoration:none;border-color:var(--muted)}
.section-more{margin-top:18px;font-weight:700}
.card-link{margin-top:auto;font-weight:700;font-size:14px}
.feature-section,.recipe,.help-topic{padding:28px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px;max-width:80ch;scroll-margin-top:84px}
.feature-section h2,.recipe h2,.help-topic h2{font-size:clamp(22px,2.6vw,30px)}
.feature-section p,.recipe p,.help-topic p{color:var(--muted)}
.shot{margin:4px 0 6px}
.shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--panel)}
.feature-links{display:flex;flex-wrap:wrap;gap:8px 20px;font-weight:700}
.recipe-steps{margin:4px 0 0;padding-left:0;list-style:none;counter-reset:step;display:grid;gap:10px}
.recipe-steps li{counter-increment:step;position:relative;padding-left:44px;color:var(--muted)}
.recipe-steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:1px;font-family:var(--mono);font-weight:700;color:var(--signal)}
kbd{padding:2px 7px;border-radius:6px;border:1px solid var(--line);background:var(--raised);color:var(--text);font-size:.82em;font-weight:700;white-space:nowrap}
main code{color:var(--text);background:var(--raised);padding:1px 6px;border-radius:5px;font-size:.9em;overflow-wrap:anywhere}
main pre code{background:none;padding:0;font-size:inherit}
/* A link inside a sentence is underlined, so it is never told apart by colour alone. */
main p a:not(.button),.recipe-steps a,.ref-facts dd a,.changelog li a{text-decoration:underline;text-underline-offset:3px}

/* Reference pages */
.doc-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;align-items:start}
.doc-contents{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto;padding:20px 0}
.doc-contents-title{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.doc-contents ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.doc-contents a{display:block;padding:6px 10px;border-radius:var(--radius-s);color:var(--muted);font-size:14px;font-weight:600}
.doc-contents a:hover{color:var(--text);background:var(--panel);text-decoration:none}
.doc-body{min-width:0}
.filter{position:sticky;top:64px;z-index:5;background:var(--ink);padding:16px 0 10px;display:grid;gap:6px;border-bottom:1px solid var(--line)}
.filter label{font-size:13px;font-weight:700;color:var(--muted)}
.filter-input{width:100%;min-height:46px;padding:0 14px;border-radius:var(--radius-m);border:1px solid var(--line);background:var(--panel);color:var(--text);font:inherit}
.filter-input::placeholder{color:var(--muted)}
.filter-input:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.filter-count{min-height:20px;font-size:13px;color:var(--muted)}
.no-js .filter{display:none}
.ref-group{padding:28px 0 8px;scroll-margin-top:84px}
.ref-group h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.ref-intro{color:var(--muted);max-width:80ch;margin-bottom:14px}
.ref-row{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px;margin-bottom:10px;display:flex;flex-direction:column;gap:8px;scroll-margin-top:150px}
.ref-row:target{border-color:var(--signal);box-shadow:0 0 0 3px var(--signal-wash)}
.ref-row h3{font-size:17px}
.ref-hint{color:var(--muted);font-size:15px}
.ref-facts{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 20px}
.ref-facts div{display:flex;flex-direction:column;gap:2px;min-width:0}
.ref-facts dt{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ref-facts dd{margin:0;font-size:14px;color:var(--text);overflow-wrap:anywhere}
.ref-command{font-size:13px}
.ref-group .console{margin:4px 0 14px}
.cli-row h3 code{font-size:15px;background:none;padding:0}
.key-table{width:100%;border-collapse:collapse;margin-bottom:12px}
.key-table th{text-align:left;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--line)}
.key-table td{padding:10px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top}
.key-table td:first-child{width:38%}
.key-table tr:target td{background:var(--signal-wash)}
[hidden]{display:none!important}
.changelog h2{font-size:clamp(22px,2.6vw,30px);margin:32px 0 10px;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:84px}
.changelog h2:first-child{border-top:0;margin-top:8px}
.changelog h3{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--signal);margin:16px 0 6px}
.changelog ul{margin:0;padding-left:22px;color:var(--muted);display:grid;gap:6px;max-width:80ch}
.changelog p{color:var(--muted);max-width:80ch}

/* Reveal */
.motion-ready .reveal{transform:translateY(14px);transition:transform .5s ease}
.motion-ready .reveal.visible{transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important;transition:none!important}}

/* Responsive */
@media(max-width:1000px){
  .hero{grid-template-columns:1fr}
  .doc-layout{grid-template-columns:1fr;gap:0}
  .doc-contents{position:static;max-height:none;padding:16px 0 0}
  .doc-contents ol{display:flex;flex-wrap:wrap;gap:6px}
  .doc-contents a{border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:6px 12px}
  .steps,.feature-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1040px){
  .menu-button{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;padding:10px var(--gutter) 16px;background:var(--ink);border-bottom:1px solid var(--line)}
  .site-nav.open{display:flex}
  .site-nav a{min-height:46px}
  .nav-github{margin-left:0;justify-content:center}
}
@media(max-width:760px){
  .ref-facts{grid-template-columns:1fr}
  .key-table td:first-child{width:auto}
  .brand-name{font-size:14px}
  .steps,.feature-grid,.gesture-cards,.shortcut-table{grid-template-columns:1fr}
  .gesture-card{grid-template-columns:1fr}
  .app-body{grid-template-columns:1fr 120px;min-height:280px}
  .app-chip{display:none}
}
@media(max-width:420px){
  .trust-grid{grid-template-columns:1fr}
  .app-body{grid-template-columns:1fr}
  .app-sidebar{border-left:0;border-top:1px solid var(--line)}
}