/* U RETAIL — AI-dominant architecture (light system)
   Goal: strong entity clarity + crawlability without changing the brand aesthetic.
*/
:root{
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #0b0b0c;
  --muted: #52525b;
  --line: #e7e7ea;

  --accent: #1db7a6;
  --accent-dark: #0f877b;

  --shadow: none;
  --shadow2: none;

  --radius: 12px;
  --radius-lg: 14px;

  --max: 1120px;
  --pad: 24px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  padding-top: var(--header-offset, 76px);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a{ color: inherit; text-decoration: none; }
.container{
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
}

.skip{
  position: fixed;
  left: 16px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  transform: translateY(-160%);
  transition: transform .12s ease;
  z-index: 1000;
  font-weight: 800;
}
.skip:focus{ transform: translateY(0); outline: none; }

/* Header */
.header{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}
.header-inner{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0;
}
.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-logo{
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: block;
}
.brand-name{
  font-weight: 800;
  letter-spacing: .14em;
  font-size: 11px;
}
.nav{
  display: none;
  gap: 18px;
  align-items: center;
}
.nav-link{
  font-size: 13px;
  font-weight: 600;
  color: #000;
  padding: 10px 2px;
  border-bottom: 1px solid transparent;
}
.nav-link:hover{ border-bottom-color: rgba(0,0,0,.24); }

.cta{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 12px;
  box-shadow: none;
  border: 1px solid rgba(0,0,0,.06);
  transition: transform .12s ease, background .12s ease;
}
.cta:hover{ transform: translateY(-1px); background: var(--accent-dark); }
.cta:active{ transform: translateY(0); }
.cta-inline{ margin-top: 10px; }

.main{ padding-bottom: 36px; }

/* Typography */
.eyebrow{
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(20,20,20,.58);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.dot{
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(29,183,166,.14);
}
.h1{
  margin: 0 0 12px;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.06;
  letter-spacing: -.03em;
}
.h2{
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: -.01em;
}
.lead{
  margin: 0 0 12px;
  max-width: 72ch;
  font-size: 16px;
  color: var(--muted);
}
.muted{ color: var(--muted); }

/* Hero */
.hero{ padding: 34px 0 16px; }
.hero-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.pill{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(20,20,20,.14);
  background: rgba(255,255,255,.65);
  font-size: 12px;
  font-weight: 800;
  box-shadow: var(--shadow2);
  transition: transform .12s ease, background .12s ease;
}
.pill:hover{ transform: translateY(-1px); background: #fff; }
.pill-dark{
  background: #1a1a1a;
  color: #fff;
  border-color: rgba(0,0,0,.20);
}
.pill-dark:hover{ background: #000; }

.hero-media{ display: grid; justify-items: end; }

/* Video device */
.device{
  width: min(460px, 100%);
  aspect-ratio: 16/10;
  border-radius: 22px;
  overflow: hidden;
  background: #d7d7d7;
  box-shadow: 0 18px 55px rgba(0,0,0,.18);
  position: relative;
  border: 1px solid rgba(0,0,0,.12);
}
.device-badge{
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.18);
  padding: 6px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.device-video{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}

/* Audio toggle (top-right so it doesn't overlap the badge) */
.video-audio-toggle{
  position: absolute;
  top: 12px;
  right: 12px;
  left: auto;
  z-index: 2;

  min-width: 40px;
  min-height: 40px;
  display: grid;
  place-items: center;

  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  transition: transform .12s ease, background .12s ease;
}
.video-audio-toggle:hover{
  transform: translateY(-1px);
  background: rgba(0,0,0,.55);
}
.video-audio-toggle:active{
  transform: translateY(0);
}
.video-audio-toggle:focus-visible{
  outline: 2px solid rgba(29,183,166,.55);
  outline-offset: 3px;
}

/* Sections */
.section{ padding: 44px 0; }
.section + .section{
  border-top: 1px solid var(--line);
  padding-top: 44px;
}
.section-head{ margin-bottom: 14px; }
.sub{
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  max-width: 90ch;
}

/* Cards */
.cards{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.card{
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
  padding: 18px;
}
.card-title{
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 900;
  color: rgba(20,20,20,.92);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.bullet{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(29,183,166,.26);
  box-shadow: 0 0 0 4px rgba(29,183,166,.10);
}
.card-text{
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}
.fineprint{
  margin: 10px 0 0;
  font-size: 10px;
  color: rgba(20,20,20,.55);
}

/* Article layout */
.breadcrumbs{
  font-size: 12px;
  color: rgba(20,20,20,.55);
  margin: 18px 0 10px;
}
.breadcrumbs a{ text-decoration: underline; text-underline-offset: 3px; }
.article{
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: none;
  padding: 22px;
}
.article h1{
  margin: 0 0 10px;
  font-size: clamp(26px, 3.2vw, 40px);
  letter-spacing: -.03em;
  line-height: 1.12;
}
.article h2{
  margin: 18px 0 8px;
  font-size: 18px;
  letter-spacing: -.01em;
}
.article p, .article li{
  font-size: 14px;
  color: rgba(20,20,20,.86);
}
.article ul{ padding-left: 18px; }
.kv{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 14px 0 4px;
}
.kv .card{ padding: 12px; }

/* Footer */
.footer{
  background: #ffffff;
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.footer-inner{
  display: grid;
  gap: 10px;
  align-items: center;
}
.footer-left{
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: #000;
}
.footer-nav{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-link{
  font-size: 11px;
  color: rgba(20,20,20,.55);
}
.footer-link:hover{ color: rgba(20,20,20,.88); }
.footer-in{
  justify-self: start;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(255,255,255,.75);
  box-shadow: var(--shadow2);
  font-weight: 900;
  font-size: 12px;
}

/* Desktop */
@media (min-width: 860px){
  .nav{ display: flex; }
  .hero{ padding: 44px 0 20px; }
  .hero-grid{
    grid-template-columns: 1.15fr .85fr;
    gap: 30px;
    align-items: center;
  }
  .cards{ grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
  .kv{ grid-template-columns: 1fr 1fr 1fr; }
  .footer-inner{
    grid-template-columns: 1fr auto auto;
    justify-content: space-between;
  }
  .footer-in{ justify-self: end; }
}

/* Mobile */
@media (max-width: 480px){
  .header-inner{ padding: 12px 0; }
  .cta{ padding: 9px 12px; font-size: 12px; }
  .brand-name{ font-size: 10px; }

  /* Improve mobile hero scan */
  .lead{ font-size: 13px; }
  .lead.muted{ line-height: 1.45; }

  /* Stack CTAs for easier tapping */
  .hero-actions{ flex-direction: column; align-items: stretch; }
  .pill{ width: 100%; }

  /* Make the video feel less cramped */
  .hero-media{ justify-items: stretch; }
  .device{ width: 100%; }
}

/* Focus */
:focus-visible{
  outline: 2px solid rgba(29,183,166,.55);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Docs extras */
table{ width:100%; border-collapse:collapse; font-size:13px; }
th, td{ border:1px solid rgba(0,0,0,.10); padding:10px; text-align:left; vertical-align:top; }
th{ background: rgba(255,255,255,.8); }
code{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: .95em; }
pre{ background:#0f0f0f; color:#fff; padding:14px; border-radius:14px; overflow:auto; }
pre code{ color:#fff; }
.notice{ border-left:4px solid var(--accent); padding:12px 14px; background: rgba(29,183,166,.08); border-radius: 14px; }

.nav-link[aria-current="page"]{ border-bottom-color: rgba(0,0,0,.70); }

/* Mobile menu */
.menu-btn{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
}
.menu-icon{
  width:18px;
  height:2px;
  background:#000;
  border-radius:2px;
  position:relative;
  margin:0 auto;
}
.menu-icon::before,.menu-icon::after{
  content:"";
  position:absolute; left:0;
  width:18px; height:2px;
  background:#000; border-radius:2px;
}
.menu-icon::before{ top:-6px; }
.menu-icon::after{ top:6px; }

@media (max-width: 860px){
  .menu-btn{ display:inline-flex; align-items:center; justify-content:center; }
  .nav{
    position:absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    margin: 0 var(--pad);
    display:none;
    flex-direction:column;
    gap:6px;
    padding:12px;
    border-radius:16px;
    background:#fff;
    border:1px solid var(--line);
  }
  .nav.is-open{ display:flex; }
  .nav-link{ border-bottom:0; padding:12px 10px; border-radius:12px; }
  .nav-link:hover{ background:#fafafa; }
  .nav-link[aria-current="page"]{ background:#f5f5f6; }
}

.table-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; border:1px solid var(--line); border-radius: 12px; }
.table-wrap table{ min-width: 640px; border:0; }
.table-wrap th, .table-wrap td{ border:1px solid var(--line); }