:root {
  color-scheme: dark;
  --ink: #eef6f3;
  --muted: #9bb0aa;
  --dim: #6f8580;
  --bg: #061015;
  --panel: rgba(11, 27, 32, .88);
  --panel-2: rgba(15, 37, 42, .72);
  --line: rgba(179, 220, 208, .14);
  --cyan: #71ead2;
  --cyan-2: #24bfa7;
  --amber: #f5b85f;
  --red: #ff776d;
  --green: #7ee0a3;
  --radius: 24px;
  --shadow: 0 28px 80px rgba(0, 0, 0, .28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 4%, rgba(36, 191, 167, .13), transparent 28rem),
    radial-gradient(circle at 5% 34%, rgba(38, 103, 130, .12), transparent 30rem),
    var(--bg);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .24;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 80%);
}
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -80px; padding: 12px 16px; background: #fff; color: #061015; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.public-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 16, 21, .86);
  backdrop-filter: blur(18px);
}
.public-brand { display: flex; align-items: center; gap: 11px; text-decoration: none; min-height: 44px; }
.public-brand img { width: 36px; height: 36px; }
.public-brand span { display: grid; line-height: 1; }
.public-brand b { font-size: 15px; letter-spacing: .16em; }
.public-brand small { margin-top: 6px; color: var(--muted); font-size: 10px; letter-spacing: .18em; }
.public-nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2vw, 28px); }
.public-nav a { color: #b8c9c4; font-size: 13px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.public-nav a:hover, .public-nav a:focus-visible { color: #fff; }
.bar-actions { display: flex; align-items: center; gap: 10px; }
.language-set { display: flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.language-set button { min-width: 44px; min-height: 44px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 800; cursor: pointer; }
.language-set button[aria-pressed="true"] { color: #061015; background: var(--cyan); }
.button, .button-quiet {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 780;
  text-decoration: none;
  cursor: pointer;
}
.button { color: #061015; background: var(--cyan); box-shadow: 0 14px 40px rgba(36,191,167,.16); }
.button:hover { background: #92f5e1; }
.button-quiet { color: var(--ink); border-color: var(--line); background: rgba(255,255,255,.025); }
.button-quiet:hover { border-color: rgba(113,234,210,.46); }
:focus-visible { outline: 3px solid rgba(113,234,210,.72); outline-offset: 3px; }
.public-shell { position: relative; z-index: 1; width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: clamp(56px, 8vw, 104px) 0 80px; }
.eyebrow { color: var(--cyan); font-size: 12px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.page-hero { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: clamp(32px, 6vw, 88px); align-items: center; }
.page-hero h1 { margin: 18px 0; max-width: 820px; font-size: clamp(48px, 7vw, 88px); line-height: .94; letter-spacing: -.055em; }
.page-hero h1 em { display: block; color: var(--cyan); font-style: normal; }
.page-hero p { max-width: 680px; margin: 0; color: #b6c7c2; font-size: clamp(17px, 2vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.evidence-card, .glass-card, .demo-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(19,42,46,.88), rgba(8,22,27,.83));
  box-shadow: var(--shadow);
}
.evidence-card { padding: 26px; }
.evidence-card .status { display: inline-flex; align-items: center; gap: 8px; color: var(--cyan); font-size: 11px; font-weight: 850; letter-spacing: .13em; }
.evidence-card .status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.evidence-card h2 { margin: 22px 0 8px; font-size: 24px; }
.evidence-card p { font-size: 14px; line-height: 1.6; }
.evidence-list { display: grid; gap: 12px; margin-top: 24px; }
.evidence-list div { display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: center; padding-top: 12px; border-top: 1px solid var(--line); }
.evidence-list b { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(113,234,210,.1); color: var(--cyan); }
.evidence-list span { display: grid; gap: 4px; }
.evidence-list small { color: var(--muted); font-size: 12px; }
.section-block { padding: 90px 0 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-head h2 { margin: 10px 0 0; max-width: 760px; font-size: clamp(34px, 5vw, 58px); line-height: 1.02; letter-spacing: -.045em; }
.section-head p { max-width: 500px; color: var(--muted); line-height: 1.6; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.glass-card { padding: 26px; box-shadow: none; }
.glass-card h3 { margin: 18px 0 8px; font-size: 21px; }
.glass-card p { margin: 0; color: var(--muted); line-height: 1.62; }
.number { color: var(--cyan); font-size: 12px; font-weight: 850; letter-spacing: .14em; }
.boundary { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; overflow: hidden; margin-top: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
.boundary > div { padding: 28px; background: #0a181d; }
.boundary h3 { margin: 0 0 18px; }
.boundary ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; color: var(--muted); }
.boundary li { display: flex; gap: 10px; line-height: 1.45; }
.boundary li::before { content: "✓"; color: var(--cyan); font-weight: 900; }
.boundary .held li::before { content: "—"; color: var(--amber); }
.public-footer { position: relative; z-index: 1; border-top: 1px solid var(--line); padding: 34px clamp(20px, 4vw, 64px); }
.footer-grid { width: min(1180px, 100%); margin: auto; display: grid; grid-template-columns: 1.1fr 2fr; gap: 32px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px 24px; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); font-size: 13px; text-decoration: none; }
.footer-note { width: min(1180px, 100%); margin: 28px auto 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--dim); font-size: 12px; line-height: 1.6; }

/* Guided tour */
.tour-shell { width: min(1440px, calc(100% - 32px)); padding-top: 32px; }
.tour-head { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; margin-bottom: 24px; }
.tour-head h1 { margin: 8px 0 0; font-size: clamp(36px, 5vw, 64px); letter-spacing: -.05em; }
.demo-badge { align-self: start; padding: 10px 14px; border: 1px solid rgba(113,234,210,.25); border-radius: 999px; color: var(--cyan); background: rgba(113,234,210,.07); font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.tour-context { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.tour-context label { display: grid; gap: 7px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.tour-context select { min-width: 220px; min-height: 48px; padding: 0 42px 0 14px; color: var(--ink); background: #0c2025; border: 1px solid var(--line); border-radius: 12px; }
.tour-layout { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 16px; align-items: start; }
.tour-layout, .tour-tabs, .tour-view, .manager-grid, .action-detail, .install-demo { min-width: 0; }
.tour-tabs, .tour-view { width: 100%; max-width: 100%; }
.tour-tabs { position: sticky; top: 94px; display: grid; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 20px; background: rgba(8,22,27,.86); }
.tour-tabs button { min-height: 54px; display: grid; grid-template-columns: 34px 1fr; gap: 10px; align-items: center; text-align: left; padding: 8px 12px; color: var(--muted); border: 1px solid transparent; border-radius: 13px; background: transparent; cursor: pointer; }
.tour-tabs button span { display: grid; gap: 3px; }
.tour-tabs button b { color: inherit; font-size: 13px; }
.tour-tabs button small { color: var(--dim); font-size: 10px; }
.tour-tabs button[aria-selected="true"] { color: var(--ink); border-color: rgba(113,234,210,.24); background: rgba(113,234,210,.08); }
.tab-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; color: var(--cyan); background: rgba(113,234,210,.1); font-size: 12px; }
.tour-view[hidden] { display: none; }
.tour-view { display: grid; grid-template-columns: minmax(0,1fr); gap: 16px; }
.manager-grid { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(290px,.65fr); gap: 16px; }
.priority-card { position: relative; overflow: hidden; padding: clamp(24px, 4vw, 42px); }
.priority-card::after { content: ""; position: absolute; width: 280px; height: 280px; right: -120px; top: -120px; border-radius: 50%; background: rgba(245,184,95,.07); }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.status-pill { min-height: 34px; display: inline-flex; align-items: center; gap: 7px; padding: 0 11px; border-radius: 999px; background: rgba(245,184,95,.11); color: #ffd393; font-size: 11px; font-weight: 850; letter-spacing: .08em; }
.status-pill::before { content:""; width:7px; height:7px; border-radius:50%; background:var(--amber); }
.priority-card h2 { margin: 34px 0 10px; max-width: 620px; font-size: clamp(34px, 5vw, 58px); line-height: 1; letter-spacing: -.05em; }
.priority-card > p { max-width: 640px; color: var(--muted); font-size: 16px; line-height: 1.6; }
.decision-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 30px; }
.decision-grid div { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.02); }
.decision-grid small { display: block; color: var(--dim); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.decision-grid b { display: block; margin-top: 7px; font-size: 14px; }
.next-action { margin-top: 14px; padding: 18px; border-left: 3px solid var(--cyan); border-radius: 4px 14px 14px 4px; background: rgba(113,234,210,.07); }
.next-action small { color: var(--cyan); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.next-action p { margin: 8px 0 0; font-size: 15px; line-height: 1.5; }
.metric-stack { display: grid; gap: 12px; }
.metric { padding: 22px; }
.metric small { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .09em; }
.metric b { display: block; margin: 12px 0 4px; font-size: 34px; }
.metric span { color: var(--dim); font-size: 12px; }
.workflow-card { padding: 26px; }
.workflow-card h2 { margin: 0; font-size: 24px; }
.workflow-rail { display: grid; grid-template-columns: repeat(6,1fr); margin-top: 24px; }
.workflow-step { position: relative; min-height: 122px; padding: 18px 14px; border: 1px solid var(--line); border-right: 0; background: rgba(255,255,255,.018); }
.workflow-step:first-child { border-radius: 14px 0 0 14px; }
.workflow-step:last-child { border-right: 1px solid var(--line); border-radius: 0 14px 14px 0; }
.workflow-step.current { border-color: rgba(113,234,210,.45); background: rgba(113,234,210,.08); }
.workflow-step small { color: var(--dim); font-size: 10px; font-weight: 850; letter-spacing: .1em; }
.workflow-step b { display: block; margin-top: 20px; font-size: 13px; }
.workflow-step span { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.action-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.action-detail .glass-card { min-height: 240px; }
.evidence-bars { display: grid; gap: 14px; margin-top: 22px; }
.bar-row { display: grid; grid-template-columns: 130px 1fr auto; gap: 12px; align-items: center; color: var(--muted); font-size: 12px; }
.bar-track { overflow: hidden; height: 8px; border-radius: 999px; background: rgba(255,255,255,.06); }
.bar-track i { display: block; height: 100%; border-radius: inherit; background: var(--cyan); }
.install-demo { display: grid; grid-template-columns: .8fr 1.2fr; gap: 16px; }
.sensor-card { display:grid; place-items:center; min-height: 420px; padding: 30px; text-align:center; }
.sensor-body { position:relative; width:180px; height:180px; border:1px solid rgba(113,234,210,.35); border-radius:48px; background:linear-gradient(145deg,#17343a,#08191e); box-shadow: inset 0 0 0 10px rgba(255,255,255,.018), 0 30px 70px rgba(0,0,0,.35); }
.sensor-body::before { content:"A1"; position:absolute; inset:0; display:grid; place-items:center; color:var(--cyan); font-size:48px; font-weight:900; letter-spacing:-.06em; }
.sensor-body::after { content:"DEMO QR"; position:absolute; left:50%; bottom:22px; transform:translateX(-50%); color:var(--muted); font-size:9px; letter-spacing:.16em; }
.sensor-card p { max-width:340px; color:var(--muted); line-height:1.6; }
.install-steps { display:grid; gap:10px; }
.install-step { display:grid; grid-template-columns:48px 1fr auto; gap:14px; align-items:center; min-height:88px; padding:14px 18px; border:1px solid var(--line); border-radius:16px; background:rgba(255,255,255,.018); }
.install-step > b { display:grid; place-items:center; width:42px; height:42px; border-radius:13px; color:var(--cyan); background:rgba(113,234,210,.08); }
.install-step span { display:grid; gap:5px; }
.install-step span b { font-size:14px; }
.install-step small { color:var(--muted); font-size:12px; line-height:1.4; }
.install-step em { color:var(--green); font-size:11px; font-style:normal; font-weight:850; }
.demo-note { padding: 15px 18px; border:1px solid rgba(245,184,95,.22); border-radius:14px; background:rgba(245,184,95,.06); color:#e7c994; font-size:12px; line-height:1.5; }
.truth-strip { position:sticky; top:76px; z-index:29; display:flex; justify-content:center; gap:18px; padding:10px 20px; border-bottom:1px solid rgba(113,234,210,.2); background:rgba(8,28,31,.96); color:var(--muted); font-size:12px; text-align:center; backdrop-filter:blur(16px); }
.truth-strip b { color:var(--cyan); letter-spacing:.02em; }
.journey-rail { display:grid; grid-template-columns:repeat(5,1fr); gap:8px; margin:0 0 24px; padding:0; list-style:none; }
.journey-rail a { display:grid; gap:7px; min-height:88px; padding:14px; border:1px solid var(--line); border-radius:14px; background:rgba(255,255,255,.018); text-decoration:none; }
.journey-rail a:hover, .journey-rail a:focus-visible { border-color:rgba(113,234,210,.55); background:rgba(113,234,210,.07); }
.journey-rail small { color:var(--cyan); font-size:10px; font-weight:850; letter-spacing:.1em; }
.journey-rail b { font-size:13px; line-height:1.35; }
.activation-proof { display:grid; grid-template-columns:1fr auto 1fr auto 1fr; gap:12px; align-items:center; margin-bottom:24px; padding:20px; border:1px solid var(--line); border-radius:18px; background:rgba(255,255,255,.018); }
.activation-proof div { min-height:92px; padding:16px; border:1px solid var(--line); border-radius:14px; }
.activation-proof small { display:block; color:var(--dim); font-size:10px; font-weight:850; letter-spacing:.1em; }
.activation-proof b { display:block; margin-top:10px; font-size:14px; }
.activation-proof p { margin:6px 0 0; color:var(--muted); font-size:12px; line-height:1.45; }
.activation-proof > span { color:var(--cyan); font-weight:900; }
.installation-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin:0; padding:0; list-style:none; }
.installation-grid .glass-card { min-height:285px; }
.installation-grid small { display:block; margin-top:20px; padding-top:15px; border-top:1px solid var(--line); color:var(--cyan); font-size:10px; font-weight:800; line-height:1.5; letter-spacing:.04em; }
.installation-boundary { padding-bottom:24px; }

@media (max-width: 980px) {
  .public-nav { display:none; }
  .page-hero, .manager-grid, .action-detail, .install-demo { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .tour-layout { grid-template-columns: 1fr; }
  .tour-tabs { position: static; grid-template-columns: repeat(3,1fr); }
  .tour-tabs button { grid-template-columns: 1fr; text-align:center; justify-items:center; }
  .workflow-rail { grid-template-columns: repeat(3,1fr); gap:8px; }
  .workflow-step, .workflow-step:first-child, .workflow-step:last-child { border:1px solid var(--line); border-radius:13px; }
  .journey-rail { grid-template-columns:repeat(3,1fr); }
  .installation-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width: 680px) {
  .public-bar { min-height:68px; padding:10px 16px; }
  .public-brand small { display:none; }
  .bar-actions .button-quiet { display:none; }
  .language-set button { min-width:42px; min-height:42px; }
  .public-shell, .tour-shell { width:min(100% - 28px,1180px); padding-top:44px; }
  .page-hero h1 { font-size:clamp(43px,14vw,62px); }
  .page-hero p { font-size:17px; }
  .hero-actions .button, .hero-actions .button-quiet { width:100%; }
  .section-block { padding-top:68px; }
  .section-head { display:block; }
  .card-grid, .boundary { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-links { justify-content:flex-start; }
  .tour-head { grid-template-columns:1fr; }
  .tour-context { display:grid; }
  .tour-context label, .tour-context select { width:100%; min-width:0; }
  .tour-tabs { grid-template-columns:repeat(3,1fr); overflow-x:auto; }
  .tour-tabs button { min-width:96px; padding:8px; }
  .tour-tabs button small { display:none; }
  .priority-card { padding:24px 20px; }
  .priority-card h2 { font-size:38px; }
  .decision-grid { grid-template-columns:1fr; }
  .workflow-rail { display:flex; overflow-x:auto; padding-bottom:8px; scroll-snap-type:x mandatory; }
  .workflow-step { min-width:160px; scroll-snap-align:start; }
  .bar-row { grid-template-columns:105px 1fr auto; }
  .sensor-card { min-height:360px; }
  .install-step { grid-template-columns:44px 1fr; }
  .install-step em { grid-column:2; }
  .truth-strip { top:68px; display:grid; gap:3px; padding:8px 14px; font-size:10px; }
  .journey-rail { display:flex; overflow-x:auto; padding-bottom:8px; scroll-snap-type:x mandatory; }
  .journey-rail li { min-width:150px; scroll-snap-align:start; }
  .activation-proof { grid-template-columns:1fr; }
  .activation-proof > span { transform:rotate(90deg); text-align:center; }
  .installation-grid { grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}