:root {
  color-scheme: dark;
  --ink: #050605;
  --panel: rgba(12, 14, 11, 0.86);
  --line: rgba(206, 255, 0, 0.22);
  --line-muted: rgba(255, 255, 255, 0.12);
  --signal: #baff00;
  --text: #f3f5ee;
  --muted: #9da297;
  --display: "Avenir Next Condensed", "DIN Condensed", sans-serif;
  --mono: "SFMono-Regular", "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { background: var(--ink); scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  color: var(--text);
  font-family: var(--mono);
  background:
    radial-gradient(circle at 78% 8%, rgba(186, 255, 0, 0.11), transparent 28rem),
    linear-gradient(rgba(186, 255, 0, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(186, 255, 0, 0.035) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 48px 48px, 48px 48px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 3px,
    rgba(255, 255, 255, 0.018) 4px
  );
}

a { color: inherit; }

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line-muted);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.brand-mark {
  position: relative;
  width: 28px;
  height: 28px;
  border: 1px solid var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 22px rgba(186, 255, 0, 0.25);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--signal);
}

.brand-mark::before { width: 36px; height: 1px; left: -5px; top: 13px; }
.brand-mark::after { width: 1px; height: 36px; left: 13px; top: -5px; }

nav { display: flex; gap: 26px; }

nav a {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

nav a:hover,
nav a:focus-visible { color: var(--signal); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 64px;
  align-items: end;
  min-height: 610px;
  padding: 110px 0 92px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--signal);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  font-size: clamp(64px, 11vw, 142px);
  line-height: 0.78;
  letter-spacing: -0.045em;
}

h1 span { color: var(--signal); }

.lede {
  max-width: 620px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.65;
}

.readout {
  position: relative;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(186, 255, 0, 0.08), transparent 42%), var(--panel);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}

.readout::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -36px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.readout-label {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.readout-value {
  margin: 8px 0 22px;
  color: var(--signal);
  font-size: 62px;
  letter-spacing: -0.07em;
}

.readout-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-top: 1px solid var(--line-muted);
  color: var(--muted);
  font-size: 12px;
}

.readout-row strong { color: var(--text); font-weight: 500; }

.section {
  padding: 84px 0;
  border-top: 1px solid var(--line-muted);
}

.section h2 {
  max-width: 760px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.92;
  letter-spacing: -0.035em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 46px;
}

.card {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line-muted);
  border-radius: 16px;
  background: var(--panel);
}

.card-index { color: var(--signal); font-size: 11px; }
.card h3 { margin-top: 42px; font-size: 25px; letter-spacing: 0.02em; }
.card p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.document {
  display: grid;
  grid-template-columns: 250px minmax(0, 720px);
  gap: 70px;
  padding: 88px 0 120px;
}

.document aside {
  align-self: start;
  position: sticky;
  top: 34px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
  text-transform: uppercase;
}

.document article h1 {
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.9;
}

.document article > p:first-of-type {
  margin: 30px 0 50px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.document section {
  padding: 30px 0;
  border-top: 1px solid var(--line-muted);
}

.document section h2 { font-size: 25px; letter-spacing: 0.02em; }
.document section p, .document section li { color: #b8bdb2; font-size: 14px; line-height: 1.8; }
.document section a { color: var(--signal); }

.contact-panel {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(186, 255, 0, 0.055);
}

.document section.contact-panel { padding: 34px; }

.contact-panel a {
  display: inline-block;
  margin-top: 18px;
  padding: 13px 17px;
  border: 1px solid var(--signal);
  border-radius: 9px;
  color: var(--signal);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

/* Product landing */
.hero-product {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
  align-items: center;
  min-height: 790px;
  padding-block: 92px 110px;
}

.hero-copy { position: relative; z-index: 2; }
.hero-product h1 { max-width: 850px; font-size: clamp(66px, 8.4vw, 122px); line-height: 0.83; }
.live-dot { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 14px var(--signal); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 19px;
  border: 1px solid var(--line-muted);
  border-radius: 9px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: 160ms ease;
}

.button-primary { border-color: var(--signal); color: #101500; background: var(--signal); box-shadow: 0 12px 45px rgba(186, 255, 0, 0.14); }
.button-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 55px rgba(186, 255, 0, 0.24); }
.button-quiet { color: var(--muted); }
.button-quiet:hover { color: var(--text); border-color: rgba(255,255,255,.3); }
.microcopy { margin: 18px 0 0; color: #71766e; font-size: 10px; letter-spacing: 0.04em; }

.hero-product > *, .hero-visual { min-width: 0; }
.hero-visual { position: relative; width: 100%; min-height: 620px; display: grid; place-items: center; }
.hero-glow { position: absolute; inset: 8% -20% -4%; border-radius: 50%; background: radial-gradient(circle, rgba(186,255,0,.18), transparent 62%); filter: blur(24px); }

.phone-frame {
  position: relative;
  overflow: hidden;
  padding: 7px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 43px;
  background: #111410;
  box-shadow: 0 30px 90px rgba(0,0,0,.6), inset 0 0 0 1px rgba(186,255,0,.08);
}

.phone-frame img { display: block; width: 100%; height: auto; border-radius: 36px; }
.phone-main { z-index: 2; width: min(350px, 78vw); transform: rotate(2.6deg); }
.phone-sensor { position: absolute; z-index: 3; top: 15px; left: 50%; width: 90px; height: 22px; transform: translateX(-50%); border-radius: 99px; background: #050605; opacity: .96; }

.floating-readout {
  position: absolute;
  z-index: 4;
  min-width: 206px;
  padding: 16px 17px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(5,7,5,.9);
  box-shadow: 0 18px 45px rgba(0,0,0,.52);
  backdrop-filter: blur(12px);
}

.floating-readout span, .floating-readout em { display: block; color: var(--muted); font-size: 9px; font-style: normal; letter-spacing: .11em; text-transform: uppercase; }
.floating-readout strong { display: block; margin: 6px 0 8px; color: var(--signal); font-size: 23px; font-weight: 500; letter-spacing: -.04em; }
.floating-readout small { font-size: 11px; letter-spacing: 0; }
.readout-lux { top: 14%; right: -11%; }
.readout-settings { left: -17%; bottom: 12%; min-width: 250px; }

.proof-band { border-block: 1px solid var(--line-muted); background: rgba(255,255,255,.015); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { display: flex; gap: 14px; align-items: center; min-height: 88px; padding: 20px; border-left: 1px solid var(--line-muted); }
.proof-grid div:last-child { border-right: 1px solid var(--line-muted); }
.proof-grid span { color: var(--signal); font-size: 10px; }
.proof-grid strong { color: #bec3b9; font-size: 11px; font-weight: 400; line-height: 1.4; text-transform: uppercase; }

.section { padding-block: 112px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(240px, .55fr); gap: 70px; align-items: end; }
.section-heading > p { margin: 0 0 7px; color: var(--muted); font-size: 13px; line-height: 1.75; }

.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 56px; }
.feature-card { position: relative; min-height: 310px; padding: 29px; overflow: hidden; border: 1px solid var(--line-muted); border-radius: 18px; background: linear-gradient(150deg, rgba(255,255,255,.035), transparent 42%), var(--panel); }
.feature-card-wide { display: grid; grid-template-columns: 1fr .8fr; gap: 28px; grid-column: span 2; }
.feature-card-signal { background: linear-gradient(150deg, rgba(186,255,0,.15), rgba(186,255,0,.025) 60%), var(--panel); border-color: var(--line); }
.feature-card h3 { max-width: 430px; margin-top: 52px; font-size: clamp(28px, 3vw, 42px); line-height: .98; }
.feature-card p { max-width: 500px; margin: 17px 0 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.feature-copy h3 { margin-top: 58px; }

.mini-meter { align-self: center; padding: 25px; border-left: 1px solid var(--line-muted); }
.mini-meter span { display: block; color: var(--muted); font-size: 10px; }
.mini-meter strong { display: block; margin: 4px 0 24px; color: var(--signal); font-size: 70px; font-weight: 400; letter-spacing: -.09em; }
.mini-meter-line { width: 88px; height: 88px; margin: 0 auto 26px; border: 1px solid var(--signal); border-radius: 50%; box-shadow: 0 0 35px rgba(186,255,0,.14); }
.mini-ticks { height: 10px; background: repeating-linear-gradient(90deg, var(--muted) 0 1px, transparent 1px 10px); }

.histogram { display: flex; align-items: end; gap: 4px; height: 100px; margin-top: 36px; border-bottom: 1px solid var(--muted); }
.histogram i { flex: 1; height: var(--h); background: #8f948b; }
.histogram i:nth-child(n+6) { background: var(--signal); }
.profile-list { display: grid; margin-top: 34px; }
.profile-list span { display: flex; justify-content: space-between; padding: 11px 0; border-top: 1px solid rgba(186,255,0,.18); color: var(--text); font-size: 12px; }
.profile-list em { color: var(--signal); font-style: normal; }
.trend-line { height: 82px; margin-top: 40px; background: linear-gradient(165deg, transparent 48%, var(--signal) 49% 50%, transparent 51%), linear-gradient(12deg, transparent 48%, rgba(186,255,0,.6) 49% 50%, transparent 51%); filter: drop-shadow(0 0 7px rgba(186,255,0,.35)); }
.text-link { display: inline-block; margin-top: 23px; color: var(--signal); font-size: 11px; text-decoration: none; text-transform: uppercase; }

.product-tour { overflow: clip; }
.tour-hint { margin-top: 42px; color: var(--muted); font-size: 10px; letter-spacing: .12em; text-align: right; text-transform: uppercase; }
.tour-hint span { margin-left: 8px; color: var(--signal); font-size: 16px; }
.tour-rail {
  display: flex;
  width: 100%;
  max-width: 100vw;
  gap: clamp(28px, 4vw, 62px);
  margin: 20px 0 0;
  padding: 10px max(20px, calc((100vw - 1120px)/2)) 104px;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: max(20px, calc((100vw - 1120px)/2));
  scroll-snap-type: x proximity;
  scrollbar-color: var(--signal) rgba(255,255,255,.08);
  scrollbar-width: thin;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}
.tour-rail[data-dragging="true"] { cursor: grabbing; scroll-snap-type: none; }
.tour-rail img { pointer-events: none; user-select: none; -webkit-user-drag: none; }
.tour-rail:focus-visible { outline: 1px solid var(--signal); outline-offset: -1px; }
.tour-rail::-webkit-scrollbar { height: 8px; }
.tour-rail::-webkit-scrollbar-track { margin-inline: max(20px, calc((100vw - 1120px)/2)); background: rgba(255,255,255,.08); }
.tour-rail::-webkit-scrollbar-thumb { border-radius: 99px; background: var(--signal); }
.tour-phone { flex: 0 0 clamp(250px, 24vw, 330px); width: clamp(250px, 24vw, 330px); margin: 0; scroll-snap-align: start; }
.tour-phone:nth-child(even) { transform: translateY(76px); }
.tour-phone .phone-frame { width: 100%; }
.tour-phone figcaption { display: flex; justify-content: space-between; margin-top: 19px; color: var(--muted); font-size: 11px; letter-spacing: .11em; text-transform: uppercase; }
.tour-phone figcaption span { color: var(--signal); }

.workflow-section { background: linear-gradient(90deg, rgba(186,255,0,.035), transparent 42%); }
.workflow-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; }
.workflow-sticky { align-self: start; position: sticky; top: 70px; }
.workflow-sticky h2 { font-size: clamp(64px, 8vw, 108px); }
.workflow-sticky > p:last-child { max-width: 380px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.workflow-steps { margin: 0; padding: 0; list-style: none; }
.workflow-steps li { display: grid; grid-template-columns: 80px 1fr; gap: 20px; min-height: 230px; padding: 45px 0; border-top: 1px solid var(--line-muted); }
.workflow-steps li > span { color: var(--signal); font-size: 12px; }
.workflow-steps h3 { font-size: clamp(28px, 4vw, 48px); }
.workflow-steps p { max-width: 580px; color: var(--muted); font-size: 13px; line-height: 1.8; }

.privacy-feature { background: radial-gradient(circle at 20% 50%, rgba(186,255,0,.09), transparent 34%); }
.privacy-grid { display: grid; grid-template-columns: .75fr 1fr; gap: 100px; align-items: center; }
.privacy-grid .lede { max-width: 680px; font-size: 16px; }
.privacy-orbit { position: relative; display: grid; place-items: center; width: min(380px, 80vw); aspect-ratio: 1; margin: 0 auto; border: 1px solid var(--line); border-radius: 50%; }
.privacy-orbit::before, .privacy-orbit::after, .privacy-orbit span { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(186,255,0,.18); border-radius: 50%; }
.privacy-orbit::after { inset: 27%; }
.privacy-orbit span:nth-child(1) { width: 7px; height: 7px; inset: 14% auto auto 63%; border: 0; background: var(--signal); box-shadow: 0 0 14px var(--signal); }
.privacy-orbit span:nth-child(2) { width: 7px; height: 7px; inset: auto auto 20% 24%; border: 0; background: var(--signal); }
.privacy-orbit span:nth-child(3) { inset: 39%; background: rgba(186,255,0,.04); }
.privacy-orbit strong { color: var(--signal); font-size: 96px; font-weight: 400; letter-spacing: -.1em; }
.privacy-orbit em { position: absolute; top: 61%; color: var(--muted); font-size: 10px; font-style: normal; text-transform: uppercase; }

.price-card { display: grid; grid-template-columns: 1.15fr .6fr; gap: 70px; align-items: center; padding: 64px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(120deg, rgba(186,255,0,.105), transparent 52%), var(--panel); box-shadow: 0 36px 120px rgba(0,0,0,.38); }
.price-card > div:first-child > p:last-child { max-width: 570px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.price-mark { padding-left: 50px; border-left: 1px solid var(--line); }
.price-mark span, .price-mark em { display: block; color: var(--muted); font-size: 10px; font-style: normal; letter-spacing: .12em; text-transform: uppercase; }
.price-mark strong { display: block; margin: 10px 0 15px; color: var(--signal); font-family: var(--display); font-size: clamp(72px, 9vw, 126px); line-height: .8; letter-spacing: -.06em; }
.price-mark sup { font-size: .34em; vertical-align: top; }

.faq-layout { display: grid; grid-template-columns: .65fr 1.2fr; gap: 90px; }
.faq-list details { border-top: 1px solid var(--line-muted); }
.faq-list details:last-child { border-bottom: 1px solid var(--line-muted); }
.faq-list summary { display: flex; justify-content: space-between; gap: 20px; padding: 25px 4px; cursor: pointer; color: var(--text); font-family: var(--display); font-size: 22px; text-transform: uppercase; list-style: none; }
.faq-list summary::after { content: "+"; color: var(--signal); font-family: var(--mono); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 650px; margin: -4px 0 26px; color: var(--muted); font-size: 13px; line-height: 1.8; }

.site-footer { align-items: center; padding-block: 52px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { border-radius: 12px; }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { color: var(--text); font-family: var(--display); font-size: 19px; letter-spacing: .08em; }
.footer-brand span { margin-top: 3px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--signal); }
.footer-meta { display: grid; gap: 5px; text-align: right; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 46px;
  border-top: 1px solid var(--line-muted);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: no-preference) {
  .hero > *, .document article { animation: reveal 700ms cubic-bezier(.2,.8,.2,1) both; }
  .hero > *:last-child { animation-delay: 120ms; }
  .floating-readout { animation: hover 5s ease-in-out infinite alternate; }
  .readout-settings { animation-delay: -2.5s; }
  @keyframes reveal { from { opacity: 0; transform: translateY(18px); } }
  @keyframes hover { to { translate: 0 -8px; } }
}

@media (max-width: 980px) {
  .hero-product { grid-template-columns: minmax(0, 1fr) minmax(320px, .65fr); }
  .floating-readout { display: none; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .feature-card-wide { grid-column: span 2; }
  .section-heading, .workflow-layout, .privacy-grid, .faq-layout { gap: 52px; }
}

@media (max-width: 780px) {
  .shell { width: min(100% - 28px, 680px); }
  .masthead { min-height: 72px; }
  .brand { font-size: 17px; }
  nav { gap: 14px; }
  nav a:nth-child(-n+2) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 44px; min-height: auto; padding: 80px 0 70px; }
  .hero-product h1 { font-size: clamp(58px, 18vw, 90px); }
  .hero-visual { min-height: 570px; }
  .phone-main { width: min(310px, 76vw); }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid div { min-height: 72px; padding: 14px; }
  .section { padding-block: 82px; }
  .section-heading, .workflow-layout, .privacy-grid, .faq-layout, .price-card { grid-template-columns: 1fr; gap: 38px; }
  .bento { grid-template-columns: 1fr; }
  .feature-card-wide { grid-column: auto; grid-template-columns: 1fr; }
  .mini-meter { display: none; }
  .tour-hint { margin-top: 32px; text-align: left; }
  .tour-rail { gap: 24px; padding-inline: 14px; scroll-padding-inline: 14px; scroll-snap-type: x mandatory; }
  .tour-phone { width: 250px; }
  .tour-phone:nth-child(even) { transform: translateY(42px); }
  .workflow-sticky { position: static; }
  .workflow-steps li { grid-template-columns: 48px 1fr; min-height: auto; }
  .privacy-orbit { width: min(300px, 78vw); }
  .price-card { padding: 34px 26px; }
  .price-mark { padding: 34px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .site-footer { align-items: flex-start; }
  .footer-meta { text-align: left; }
  .cards { grid-template-columns: 1fr; }
  .document { grid-template-columns: 1fr; gap: 36px; padding-top: 66px; }
  .document aside { position: static; }
  .document section.contact-panel { padding: 25px; }
  footer { flex-direction: column; }
}