:root {
  color-scheme: dark;
  --ink: #f5f7f4;
  --muted: #9ea9a5;
  --page: #0d1112;
  --panel: #151b1d;
  --panel-2: #1b2325;
  --line: rgba(255, 255, 255, 0.1);
  --teal: #28d4b5;
  --teal-dark: #0b8f7c;
  --amber: #f2be55;
  --blue: #7d92ff;
  --display: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-family: var(--sans);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--page); color: var(--ink); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--teal); color: #041815; border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 12px; }

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-size: 1.05rem; font-weight: 800; letter-spacing: -0.02em; }
.wordmark img { width: 34px; height: 34px; border-radius: 9px; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { color: #bcc5c2; font-size: 0.86rem; font-weight: 650; text-decoration: none; }
.site-header nav a:hover { color: white; }
.site-header .nav-launch { padding: 10px 15px; border: 1px solid rgba(40, 212, 181, 0.45); border-radius: 999px; color: #c9fff5; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(440px, 1.12fr);
  align-items: center;
  gap: 48px;
  min-height: 690px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 64px 0 82px;
}

.hero::before { content: ""; position: absolute; width: 440px; height: 440px; left: -300px; top: 90px; border-radius: 50%; background: rgba(40, 212, 181, 0.08); filter: blur(10px); }
.hero-copy { position: relative; z-index: 4; }
.eyebrow { margin: 0 0 18px; color: var(--teal); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.17em; text-transform: uppercase; }
.hero-copy > .eyebrow { display: flex; align-items: center; gap: 9px; }
.hero-copy > .eyebrow span { width: 26px; height: 1px; background: var(--teal); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; font-family: var(--display); font-size: clamp(3.5rem, 6vw, 5.8rem); font-weight: 400; line-height: 0.92; letter-spacing: -0.055em; }
h1 em { color: var(--teal); font-weight: 400; }
.lede { max-width: 590px; margin: 26px 0 0; color: #aeb8b4; font-size: 1.09rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 48px; padding: 0 20px; border: 0; border-radius: 8px; font-weight: 800; text-decoration: none; cursor: pointer; }
.button.primary { background: var(--teal); color: #061d19; box-shadow: 0 12px 34px rgba(40, 212, 181, 0.15); }
.button.primary:hover { background: #50e1c7; transform: translateY(-1px); }
.button.quiet { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.025); color: #dce2e0; }
.button.quiet:hover { border-color: rgba(255, 255, 255, 0.25); }
.signed-out-note { display: flex; gap: 8px; align-items: center; margin: 19px 0 0; color: #84918d; font-size: 0.76rem; }
.signed-out-note span { color: var(--teal); }

.product-scene { position: relative; min-height: 530px; display: grid; place-items: center; perspective: 1200px; }
.product-scene::before { content: ""; position: absolute; width: 540px; height: 540px; border: 1px solid rgba(40, 212, 181, 0.12); border-radius: 50%; }
.product-scene::after { content: ""; position: absolute; width: 410px; height: 410px; border: 1px solid rgba(242, 190, 85, 0.08); border-radius: 50%; }
.signal { position: absolute; border-radius: 50%; background: var(--teal); box-shadow: 0 0 22px rgba(40, 212, 181, 0.8); }
.signal-a { width: 7px; height: 7px; top: 16%; left: 12%; }
.signal-b { width: 5px; height: 5px; right: 9%; bottom: 20%; background: var(--amber); box-shadow: 0 0 18px rgba(242, 190, 85, 0.8); }
.app-preview { position: relative; z-index: 2; width: min(560px, 92%); overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 18px; background: #111719; box-shadow: 0 38px 90px rgba(0, 0, 0, 0.52); transform: rotateY(-5deg) rotateX(2deg); }
.preview-topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--line); background: rgba(21, 28, 30, 0.94); }
.mini-brand { display: flex; align-items: center; gap: 9px; }
.mini-brand img { width: 31px; height: 31px; border-radius: 8px; }
.mini-brand span, .mini-brand strong, .mini-brand small { display: block; }
.mini-brand strong { font-size: 0.79rem; }
.mini-brand small { margin-top: 2px; color: #7f8a87; font-size: 0.58rem; }
.status { display: inline-flex; align-items: center; gap: 6px; padding: 6px 8px; border: 1px solid rgba(40, 212, 181, 0.18); border-radius: 999px; color: #9eadad; font-size: 0.59rem; }
.status i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px rgba(40, 212, 181, 0.7); }
.preview-body { padding: 25px 23px 22px; }
.preview-kicker { margin: 0; color: var(--teal); font-size: 0.61rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.preview-body h2 { margin: 5px 0 22px; font-family: var(--display); font-size: 1.85rem; font-weight: 400; letter-spacing: -0.035em; }
.quick-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.quick-actions > span { display: flex; align-items: center; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255, 255, 255, 0.025); }
.quick-actions b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; background: rgba(40, 212, 181, 0.13); color: var(--teal); font-size: 0.8rem; }
.quick-actions small { color: #d5dbd9; font-size: 0.58rem; font-weight: 700; }
.room-card { display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 12px; margin-top: 17px; padding: 11px; border: 1px solid rgba(40, 212, 181, 0.25); border-radius: 11px; background: linear-gradient(120deg, rgba(40, 212, 181, 0.08), rgba(255, 255, 255, 0.02)); }
.room-card .art { position: relative; display: flex; align-items: center; justify-content: center; gap: 4px; height: 50px; overflow: hidden; border-radius: 7px; background: radial-gradient(circle at 50% 70%, #173d38, #0c1718 65%); }
.room-card .art span { display: block; width: 3px; height: 18px; border-radius: 4px; background: var(--teal); opacity: 0.5; }
.room-card .art span:nth-child(2) { height: 31px; opacity: 1; }
.room-card small, .room-card strong, .room-card p { display: block; }
.room-card small { color: var(--teal); font-size: 0.48rem; font-weight: 900; letter-spacing: 0.12em; }
.room-card strong { margin-top: 3px; font-size: 0.77rem; }
.room-card p { margin: 3px 0 0; color: #82908c; font-size: 0.56rem; }
.room-card > b { color: #899590; font-size: 1.4rem; font-weight: 300; }
.preview-list { display: grid; gap: 8px; margin-top: 18px; }
.preview-list span { display: block; height: 7px; border-radius: 99px; background: linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0 20%, rgba(255, 255, 255, 0.035) 20% 74%, transparent 74%); }
.preview-list span:nth-child(2) { opacity: 0.65; }
.preview-list span:nth-child(3) { opacity: 0.4; }
.preview-nav { display: grid; grid-template-columns: repeat(4, 1fr); padding: 9px 18px 11px; border-top: 1px solid var(--line); background: #101517; }
.preview-nav span { display: grid; justify-items: center; gap: 3px; color: #65706d; font-size: 0.7rem; }
.preview-nav small { font-size: 0.48rem; }
.preview-nav .active { color: var(--teal); }
.privacy-card { position: absolute; z-index: 5; right: -8px; bottom: 38px; display: flex; align-items: center; gap: 11px; width: 245px; padding: 13px 15px; border: 1px solid rgba(255, 255, 255, 0.14); border-radius: 11px; background: rgba(26, 34, 36, 0.92); box-shadow: 0 18px 36px rgba(0, 0, 0, 0.38); backdrop-filter: blur(14px); }
.privacy-card .lock { display: grid; place-items: center; width: 33px; height: 33px; border-radius: 50%; background: rgba(242, 190, 85, 0.14); color: var(--amber); }
.privacy-card small, .privacy-card strong { display: block; }
.privacy-card small { color: var(--amber); font-size: 0.48rem; font-weight: 900; letter-spacing: 0.12em; }
.privacy-card strong { margin-top: 3px; font-size: 0.72rem; }

.trust-strip { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 4vw, 52px); min-height: 78px; padding: 20px 24px; border-block: 1px solid var(--line); background: rgba(255, 255, 255, 0.015); color: #7e8a86; font-size: 0.67rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.trust-strip i { width: 3px; height: 3px; border-radius: 50%; background: var(--teal); }

.feature-section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 120px 0; }
.section-intro { display: grid; grid-template-columns: 1.1fr 1fr; column-gap: 80px; align-items: end; margin-bottom: 55px; }
.section-intro .eyebrow { grid-column: 1 / -1; }
.section-intro h2, .install-heading h2, .final-cta h2 { margin: 0; font-family: var(--display); font-size: clamp(2.7rem, 4.4vw, 4.4rem); font-weight: 400; line-height: 1.03; letter-spacing: -0.045em; }
.section-intro > p:last-child, .install-heading > p:last-child { max-width: 520px; margin: 0; color: #95a09d; font-size: 1rem; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.feature-grid article { position: relative; min-height: 330px; padding: 34px; background: var(--panel); }
.feature-grid article + article { border-left: 1px solid var(--line); }
.feature-number { position: absolute; top: 27px; right: 29px; color: #4e5a56; font: italic 1rem var(--display); }
.feature-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 54px; border-radius: 12px; font-size: 1.1rem; }
.feature-icon.teal { background: rgba(40, 212, 181, 0.11); color: var(--teal); }
.feature-icon.amber { background: rgba(242, 190, 85, 0.11); color: var(--amber); }
.feature-icon.blue { background: rgba(125, 146, 255, 0.11); color: var(--blue); }
.feature-grid h3 { margin: 0; font-family: var(--display); font-size: 1.7rem; font-weight: 400; }
.feature-grid p { margin: 14px 0 0; color: #8f9b97; font-size: 0.88rem; line-height: 1.7; }

.start-section { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 80px; width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 60px 0 125px; }
.start-section h2 { max-width: 450px; margin: 0; font: 400 clamp(2.5rem, 4vw, 4rem)/1.04 var(--display); letter-spacing: -0.045em; }
.start-section ol { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.start-section li { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.start-section li > span { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid rgba(40, 212, 181, 0.32); border-radius: 50%; color: var(--teal); font: italic 0.9rem var(--display); }
.start-section strong { font-size: 0.95rem; }
.start-section p { margin: 7px 0 0; color: #87938f; font-size: 0.85rem; line-height: 1.55; }

.install-section { padding: 120px max(24px, calc((100vw - 1180px) / 2)); background: #111718; border-block: 1px solid var(--line); }
.install-heading { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0 80px; align-items: end; }
.install-heading .eyebrow { grid-column: 1 / -1; }
.detected-device { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 20px; margin: 56px 0 22px; padding: 26px 28px; border: 1px solid rgba(40, 212, 181, 0.27); border-radius: 14px; background: linear-gradient(105deg, rgba(40, 212, 181, 0.1), rgba(255, 255, 255, 0.025)); }
.device-mark { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 13px; background: var(--teal); color: #08201c; font-size: 1.5rem; }
.detected-device small { color: var(--teal); font-size: 0.57rem; font-weight: 900; letter-spacing: 0.14em; }
.detected-device h3 { margin: 4px 0 0; font: 400 1.65rem var(--display); }
.detected-device p { margin: 5px 0 0; color: #93a09b; font-size: 0.79rem; }
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.platform-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255, 255, 255, 0.018); }
.platform-label { color: #71807b; font-size: 0.56rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.platform-grid h3 { margin: 7px 0 18px; font: 400 1.45rem var(--display); }
.platform-grid ol { display: grid; gap: 12px; margin: 0; padding-left: 18px; color: #8e9a96; font-size: 0.78rem; line-height: 1.55; }
.platform-grid strong { color: #dfe5e2; }
.install-footnote { margin: 22px 0 0; color: #74807c; font-size: 0.72rem; text-align: center; }

.final-cta { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 80px 0; }
.final-cta img { width: 74px; height: 74px; border-radius: 18px; }
.final-cta .eyebrow { margin-bottom: 8px; }
.final-cta h2 { font-size: clamp(2.2rem, 3.5vw, 3.4rem); }
.button.light { background: #f2f6f3; color: #0b1614; box-shadow: none; }

footer { display: flex; align-items: center; gap: 28px; width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 28px 0 35px; border-top: 1px solid var(--line); color: #77827f; font-size: 0.72rem; }
footer .wordmark { margin-right: auto; color: #cbd3d0; font-size: 0.82rem; }
footer .wordmark img { width: 25px; height: 25px; }
footer a:last-child { color: #aab4b0; }

@media (max-width: 900px) {
  .site-header nav > a:not(.nav-launch) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { max-width: 700px; }
  .product-scene { min-height: 500px; }
  .section-intro, .install-heading { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 260px; }
  .feature-grid article + article { border-left: 0; border-top: 1px solid var(--line); }
  .feature-icon { margin-bottom: 35px; }
  .start-section { grid-template-columns: 1fr; gap: 45px; }
  .platform-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header, .hero, .feature-section, .start-section, .final-cta, footer { width: min(100% - 32px, 1180px); }
  .site-header { padding: 16px 0; }
  .site-header nav { gap: 0; }
  .site-header .nav-launch { padding: 9px 12px; }
  .hero { gap: 24px; min-height: auto; padding: 66px 0 60px; }
  h1 { font-size: clamp(3.35rem, 17vw, 5rem); }
  .lede { font-size: 0.98rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .product-scene { min-height: 390px; margin-inline: -8px; }
  .product-scene::before { width: 380px; height: 380px; }
  .product-scene::after { width: 290px; height: 290px; }
  .app-preview { width: 98%; transform: rotateY(-2deg); }
  .preview-body { padding: 19px 14px 16px; }
  .preview-topbar { padding: 11px 12px; }
  .quick-actions small { display: none; }
  .quick-actions > span { justify-content: center; }
  .privacy-card { right: -3px; bottom: 5px; width: 205px; }
  .trust-strip { justify-content: flex-start; overflow: hidden; white-space: nowrap; }
  .trust-strip span:nth-of-type(4), .trust-strip i:nth-of-type(3) { display: none; }
  .feature-section { padding: 88px 0; }
  .section-intro { margin-bottom: 35px; }
  .feature-grid article { padding: 28px; }
  .start-section { padding: 20px 0 90px; }
  .install-section { padding: 88px 16px; }
  .detected-device { grid-template-columns: 44px 1fr; padding: 20px; }
  .device-mark { width: 42px; height: 42px; }
  .detected-device .button { grid-column: 1 / -1; }
  .platform-grid article { padding: 23px; }
  .final-cta { grid-template-columns: 52px 1fr; padding: 64px 0; }
  .final-cta img { width: 52px; height: 52px; border-radius: 13px; }
  .final-cta .button { grid-column: 1 / -1; }
  footer { flex-wrap: wrap; gap: 12px 22px; }
  footer p { width: 100%; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }