:root {
  color-scheme: dark;
  --bg: #080b0a;
  --bg-soft: #0d1210;
  --surface: #121816;
  --surface-raised: #171e1b;
  --line: rgba(225, 237, 230, 0.13);
  --line-strong: rgba(225, 237, 230, 0.24);
  --text: #edf2ee;
  --muted: #9da8a1;
  --dim: #6f7b74;
  --accent: #86c7ad;
  --accent-deep: #4f7f6c;
  --accent-ink: #07100c;
  --sans: "SF Pro Display", "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "SFMono-Regular", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --max: 1400px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 4;
  padding: 10px 14px;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(calc(100% - 48px), var(--max));
  min-height: 88px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: -0.02em; }
.brand img { display: block; border-radius: 22%; }
.site-header nav { display: flex; gap: 32px; color: var(--muted); font-size: 0.9rem; }
.site-header nav a, footer nav a { transition: color 220ms ease; }
.site-header nav a:hover, footer nav a:hover { color: var(--text); }
.header-cta { justify-self: end; border-bottom: 1px solid var(--accent); padding: 8px 0; font-size: 0.9rem; }

.hero {
  width: min(calc(100% - 48px), var(--max));
  min-height: calc(100dvh - 88px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 0.78fr);
  gap: clamp(48px, 7vw, 120px);
  align-items: center;
  padding: 72px 0 96px;
}
.hero-copy { align-self: center; padding-left: clamp(0px, 4vw, 64px); }
.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: breathe 2.4s ease-in-out infinite;
}
h1, h2, h3, p { text-wrap: pretty; }
h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(3.25rem, 7.4vw, 7.6rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
  font-weight: 650;
}
.hero-lede { max-width: 650px; margin: 36px 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.35rem); }
.hero-lede strong { color: var(--text); font-weight: 600; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 240ms cubic-bezier(.16,1,.3,1), background 240ms ease, border-color 240ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px) scale(0.985); }
.button-primary { color: var(--accent-ink); background: var(--accent); }
.button-secondary { border-color: var(--line-strong); background: rgba(255,255,255,0.035); }
.text-link { display: inline-flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--line-strong); padding-bottom: 4px; }
.text-link span { transition: transform 220ms cubic-bezier(.16,1,.3,1); }
.text-link:hover span { transform: translateX(5px); }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 42px 0 0; padding: 0; list-style: none; color: var(--dim); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; }
.trust-list li { display: inline-flex; align-items: center; gap: 9px; }
.trust-list li::before { content: ""; width: 5px; height: 5px; background: var(--accent); }

.hero-instrument { width: 100%; max-width: 620px; justify-self: end; }
.instrument-shell {
  position: relative;
  overflow: hidden;
  padding: 24px;
  background: linear-gradient(180deg, rgba(22,30,27,.98), rgba(10,14,12,.98));
  border: 1px solid var(--line-strong);
  border-radius: 36px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 40px 90px rgba(0,0,0,.35);
}
.instrument-shell::before { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; box-shadow: inset 0 0 70px rgba(134,199,173,.035); }
.instrument-topline, .instrument-footer { display: flex; justify-content: space-between; color: var(--dim); font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.13em; }
.sensor-status { color: var(--accent); }
.sensor-status .status-dot { width: 5px; height: 5px; margin-right: 5px; }
.cue-line { display: flex; gap: 10px; margin-top: 18px; color: var(--accent); font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.18em; }
.cue-symbol { font-weight: 800; }
.gauge { position: relative; margin: 20px 0 4px; }
.gauge svg { display: block; width: 100%; overflow: visible; }
.gauge-track, .gauge-zone { fill: none; stroke-linecap: round; }
.gauge-track { stroke: rgba(237,242,238,.2); stroke-width: 7; }
.gauge-zone { stroke: var(--accent); stroke-width: 13; stroke-dasharray: 29 71; stroke-dashoffset: -35.5; opacity: .72; }
.ticks path { stroke: rgba(237,242,238,.58); stroke-width: 3; }
.needle { transform-origin: 210px 190px; transform: rotate(0deg); transition: transform 900ms cubic-bezier(.16,1,.3,1); }
.needle line { stroke: var(--accent); stroke-width: 4; stroke-linecap: round; }
.needle circle { fill: var(--accent); }
.gauge-readout { position: absolute; inset: 45% 0 auto; display: grid; place-items: center; }
.gauge-readout strong { color: var(--accent); font-family: var(--mono); font-size: clamp(2.6rem, 5vw, 4.8rem); letter-spacing: -0.08em; line-height: .95; }
.gauge-readout span { color: var(--muted); font-family: var(--mono); font-size: .7rem; letter-spacing: .15em; }
.metric-row { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric-row > div { padding: 18px 12px; display: flex; align-items: baseline; gap: 8px; }
.metric-row > div + div { border-left: 1px solid var(--line); }
.metric-row strong { font-family: var(--mono); font-size: clamp(1.5rem, 4vw, 2.6rem); font-weight: 500; letter-spacing: -0.06em; }
.metric-row span { color: var(--dim); font-family: var(--mono); font-size: .65rem; letter-spacing: .12em; }
.target { flex-direction: column; gap: 0 !important; align-items: flex-start !important; }
.target strong { font-size: clamp(1.1rem, 2.4vw, 1.7rem); letter-spacing: -0.04em; }
.signal-strip { height: 76px; margin: 18px 0 12px; background: rgba(255,255,255,.018); border: 1px solid var(--line); }
.signal-strip svg { width: 100%; height: 100%; }
.zone-fill { fill: rgba(134,199,173,.08); }
.signal-line { fill: none; stroke: var(--accent); stroke-width: 2.5; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 780; animation: draw 3.2s cubic-bezier(.16,1,.3,1) both; }
.instrument-caption { margin: 16px 8px 0; color: var(--dim); font-size: .8rem; text-align: right; }

.signal-band {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.signal-band > div { min-height: 190px; padding: 34px 48px; display: grid; align-content: center; grid-template-columns: auto 1fr; gap: 8px 18px; }
.signal-band > div + div { border-left: 1px solid var(--line); }
.signal-band span { color: var(--accent); font-family: var(--mono); font-size: .68rem; }
.signal-band strong { font-family: var(--mono); letter-spacing: .08em; }
.signal-band p { grid-column: 2; margin: 0; color: var(--muted); }

.how, .access, .faq { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: clamp(100px, 14vw, 190px) 0; }
.section-heading { display: grid; grid-template-columns: 0.6fr 1.4fr; gap: 40px; align-items: start; margin-bottom: 72px; }
.section-heading h2, .privacy-strip h2, .access h2, .final-cta h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5.2vw, 5.5rem);
  line-height: .98;
  letter-spacing: -0.065em;
  font-weight: 600;
}
.feature-rail { border-top: 1px solid var(--line); }
.feature { display: grid; border-bottom: 1px solid var(--line); }
.feature-wide { grid-template-columns: 0.9fr 1.1fr; min-height: 540px; }
.feature-copy { padding: 64px clamp(24px, 6vw, 92px) 64px 0; }
.feature-index { display: block; margin-bottom: 34px; color: var(--accent); font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; }
.feature h3 { max-width: 760px; margin: 0; font-size: clamp(1.8rem, 3.7vw, 3.6rem); line-height: 1.05; letter-spacing: -0.045em; font-weight: 550; }
.feature p { max-width: 600px; margin: 24px 0 0; color: var(--muted); font-size: 1.05rem; }
.distance-demo { position: relative; display: grid; place-content: center; overflow: hidden; min-height: 480px; border-left: 1px solid var(--line); background: var(--bg-soft); }
.distance-word { color: var(--accent); font-family: var(--mono); font-size: clamp(4rem, 10vw, 9rem); line-height: 1; letter-spacing: -.08em; }
.distance-line { height: 1px; margin: 28px 0 16px; background: var(--accent); opacity: .55; transform: scaleX(.85); animation: line-breathe 3s ease-in-out infinite; }
.distance-target { justify-self: end; color: var(--muted); font-family: var(--mono); font-size: .78rem; letter-spacing: .08em; }
.feature-audio, .feature-haptic { min-height: 440px; grid-template-columns: .8fr 1.2fr; padding: 68px 0; align-items: start; }
.feature-audio .feature-index, .feature-haptic .feature-index { grid-row: 1 / span 3; }
.feature-audio h3, .feature-haptic h3 { font-size: clamp(2rem, 4vw, 4rem); }
.waveform { grid-column: 2; display: flex; align-items: center; gap: 8px; height: 90px; margin-top: 50px; }
.waveform i { display: block; width: 5px; height: 18%; background: var(--accent); animation: wave 1.4s ease-in-out infinite; transform-origin: center; }
.waveform i:nth-child(2), .waveform i:nth-child(10) { animation-delay: -1.2s; }
.waveform i:nth-child(3), .waveform i:nth-child(9) { animation-delay: -.9s; }
.waveform i:nth-child(4), .waveform i:nth-child(8) { animation-delay: -.6s; }
.waveform i:nth-child(5), .waveform i:nth-child(7) { animation-delay: -.3s; }
.haptic-mark { grid-column: 2; display: flex; align-items: center; height: 90px; margin-top: 40px; }
.haptic-mark span { display: block; width: 54px; height: 54px; margin-right: -14px; border: 1px solid var(--accent); border-radius: 50%; opacity: .1; animation: haptic 2.1s cubic-bezier(.16,1,.3,1) infinite; }
.haptic-mark span:nth-child(2) { animation-delay: .18s; }
.haptic-mark span:nth-child(3) { animation-delay: .36s; }

.privacy-strip {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: clamp(70px, 9vw, 120px) clamp(24px, 7vw, 96px);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 52px 100px;
  align-items: end;
  background: var(--accent);
  color: var(--accent-ink);
}
.privacy-strip .eyebrow { color: var(--accent-ink); opacity: .65; }
.privacy-strip h2 { font-size: clamp(2.8rem, 5vw, 5.4rem); }
.privacy-strip > p { margin: 0; max-width: 620px; font-size: 1.12rem; opacity: .82; }
.privacy-strip .text-link { grid-column: 2; justify-self: start; border-color: rgba(7,16,12,.28); }

.access { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(56px, 10vw, 160px); align-items: start; }
.access-copy { position: sticky; top: 40px; }
.access-copy h2 { font-size: clamp(3rem, 5.2vw, 5.6rem); }
.access-copy > p:last-child { max-width: 520px; color: var(--muted); font-size: 1.08rem; }
.plans { border-top: 1px solid var(--line-strong); }
.plan { padding: 44px 0; border-bottom: 1px solid var(--line-strong); }
.plan-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.plan-top > span { color: var(--accent); font-family: var(--mono); font-size: .75rem; letter-spacing: .12em; }
.plan-top strong { font-family: var(--mono); font-size: clamp(2rem, 4.2vw, 4.4rem); font-weight: 500; letter-spacing: -.08em; line-height: 1; }
.plan-top > div { display: flex; align-items: flex-end; gap: 12px; }
.plan-top small { color: var(--muted); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.plan ul { margin: 36px 0 0; padding: 0; list-style: none; }
.plan li { padding: 14px 0 14px 28px; border-top: 1px solid var(--line); color: var(--muted); position: relative; }
.plan li::before { content: ""; position: absolute; left: 2px; top: 24px; width: 8px; height: 2px; background: var(--accent); }
.launch-row { margin-top: 34px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.launch-badge { padding: 12px 14px; color: var(--accent); border: 1px solid var(--accent-deep); font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; }
.launch-row p { margin: 0; color: var(--dim); font-size: .86rem; }

.faq { border-top: 1px solid var(--line); }
.faq-list { width: min(880px, 100%); margin-left: auto; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding: 28px 56px 28px 0; list-style: none; font-size: 1.25rem; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 8px; color: var(--accent); font-family: var(--mono); transition: transform 240ms ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { max-width: 700px; margin: -8px 0 28px; color: var(--muted); }

.final-cta {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto 48px;
  padding: clamp(48px, 7vw, 92px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.final-cta img { border-radius: 22%; }
.final-cta h2 { font-size: clamp(2.2rem, 4.2vw, 4.5rem); }

footer {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  min-height: 210px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px 36px;
  align-content: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-brand { color: var(--text); }
footer > p { justify-self: end; margin: 0; }
footer nav { display: flex; gap: 24px; font-size: .9rem; }
footer small { justify-self: end; max-width: 680px; text-align: right; color: var(--dim); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 800ms cubic-bezier(.16,1,.3,1), transform 800ms cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Legal and support pages */
.legal-body { background: var(--bg); }
.legal-main { width: min(calc(100% - 48px), 920px); margin: 0 auto; padding: 110px 0 150px; }
.legal-header { padding-bottom: 52px; border-bottom: 1px solid var(--line-strong); }
.legal-header h1 { max-width: none; font-size: clamp(3rem, 7vw, 6.5rem); }
.legal-meta { margin-top: 22px; color: var(--dim); font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.legal-content { margin-top: 64px; }
.legal-content h2 { margin: 64px 0 14px; font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.035em; }
.legal-content h3 { margin: 36px 0 8px; font-size: 1.2rem; }
.legal-content p, .legal-content li { color: var(--muted); }
.legal-content ul { padding-left: 22px; }
.legal-callout { margin: 42px 0; padding: 28px; border-left: 3px solid var(--accent); background: var(--surface); }
.legal-callout p { margin: 0; color: var(--text); }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 46px 0; background: var(--line); border: 1px solid var(--line); }
.support-item { padding: 32px; background: var(--bg-soft); }
.support-item span { color: var(--accent); font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; }
.support-item h2 { margin-top: 12px; font-size: 1.45rem; }
.support-item p { margin-bottom: 0; }
.contact-pending { display: inline-flex; padding: 12px 14px; border: 1px solid var(--line-strong); color: var(--muted); font-family: var(--mono); font-size: .75rem; letter-spacing: .06em; }

@keyframes breathe { 0%,100% { opacity: .45; transform: scale(.82); } 50% { opacity: 1; transform: scale(1); } }
@keyframes draw { from { stroke-dashoffset: 780; } to { stroke-dashoffset: 0; } }
@keyframes line-breathe { 0%,100% { transform: scaleX(.76); opacity: .35; } 50% { transform: scaleX(1); opacity: .82; } }
@keyframes wave { 0%,100% { transform: scaleY(.45); opacity: .45; } 50% { transform: scaleY(4.2); opacity: 1; } }
@keyframes haptic { 0% { transform: scale(.42); opacity: .55; } 70%,100% { transform: scale(1.5); opacity: 0; } }

@media (max-width: 1020px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding-left: 0; }
  .hero-instrument { max-width: 680px; justify-self: center; }
  .signal-band > div { padding: 28px 24px; }
  .access { grid-template-columns: 1fr; }
  .access-copy { position: static; }
  .plans { width: min(760px, 100%); margin-left: auto; }
  .final-cta { grid-template-columns: auto 1fr; }
  .final-cta .button { grid-column: 2; justify-self: start; }
}

@media (max-width: 720px) {
  .site-header, .hero, .how, .access, .faq, .final-cta, footer, .legal-main { width: min(calc(100% - 32px), var(--max)); }
  .site-header { min-height: 72px; }
  .header-cta { display: none; }
  .hero { padding: 56px 0 80px; gap: 60px; }
  h1 { font-size: clamp(3.3rem, 18vw, 5.25rem); }
  .hero-lede { margin-top: 28px; }
  .instrument-shell { padding: 18px 16px; border-radius: 26px; }
  .gauge-readout strong { font-size: clamp(2.5rem, 16vw, 4.6rem); }
  .instrument-footer { gap: 14px; font-size: .55rem; }
  .signal-band { grid-template-columns: 1fr; }
  .signal-band > div { min-height: 130px; }
  .signal-band > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; gap: 8px; margin-bottom: 48px; }
  .feature-wide, .feature-audio, .feature-haptic { grid-template-columns: 1fr; }
  .feature-copy { padding: 48px 0; }
  .distance-demo { min-height: 360px; border-left: 0; border-top: 1px solid var(--line); }
  .feature-audio, .feature-haptic { padding: 48px 0; }
  .feature-audio .feature-index, .feature-haptic .feature-index { grid-row: auto; }
  .waveform, .haptic-mark { grid-column: auto; }
  .privacy-strip { grid-template-columns: 1fr; gap: 32px; }
  .privacy-strip .text-link { grid-column: auto; }
  .plan-top { align-items: flex-end; }
  .launch-row { align-items: flex-start; flex-direction: column; }
  .final-cta { grid-template-columns: 1fr; padding: 32px; }
  .final-cta .button { grid-column: auto; }
  footer { grid-template-columns: 1fr; padding: 52px 0; }
  footer > p, footer small { justify-self: start; text-align: left; }
  .support-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}