:root {
  --bg: #06070a;
  --ink: #f4f5f1;
  --muted: #a1a5af;
  --blue: #315eff;
  --line: rgba(244,245,241,.16);
  --pad: max(28px, calc((100% - 1320px) / 2));
  --header: 80px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 20px); }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'Space Grotesk', sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #7e9aff; outline-offset: 5px; }
::selection { color: white; background: #315eff; }
.skip-link { position: fixed; z-index: 200; top: 12px; left: 12px; padding: 14px; color: var(--bg); background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 100; height: var(--header); padding-inline: var(--pad); display: flex; align-items: center; gap: 30px; border-bottom: 1px solid var(--line); background: rgba(6,7,10,.97); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.brand > span { display: grid; place-items: center; width: 34px; height: 34px; color: var(--ink); background: var(--blue); font: 600 17px 'Anybody', sans-serif; }
.desktop-nav { display: flex; gap: 30px; margin-left: auto; }
.desktop-nav a, .header-cta { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-size: 13px; }
.desktop-nav a { color: var(--muted); }
.desktop-nav a:hover, .text-link:hover { color: var(--ink); }
.header-cta { gap: 24px; padding-left: 30px; border-left: 1px solid var(--line); }
.header-cta span { color: #849dff; }
.menu-button { width: 44px; height: 44px; border: 1px solid var(--line); color: var(--ink); background: none; }
.menu-button span { display: block; width: 20px; margin: 6px auto; border-top: 1px solid currentColor; }
.mobile-menu { position: absolute; top: 100%; left: 0; right: 0; padding: 16px var(--pad) 28px; background: #06070a; border-bottom: 1px solid var(--line); }
.mobile-menu a { display: block; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 21px; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.eyebrow, .section-index, .hero-meta, .stage-top, .stage-readout, .product-id > span, .record-caption, .technical-note > p {
  font: 500 10px/1.6 'IBM Plex Mono', monospace; letter-spacing: .075em;
}
.eyebrow { margin: 0 0 34px; color: #8ba2ff; }
h1, h2 { margin: 0; font-family: 'Anybody', sans-serif; font-weight: 600; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(60px, 6.5vw, 98px); line-height: .99; }
h2 { font-size: clamp(36px, 3.65vw, 56px); line-height: 1.08; }
h1 em { color: #7290ff; font-style: normal; }
h2 em { color: var(--muted); font-style: normal; }
p { line-height: 1.7; }
.hero { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 42px 52px; padding: clamp(65px, 7vw, 108px) var(--pad) 24px; background-image: linear-gradient(rgba(244,245,241,.025) 1px, transparent 1px), linear-gradient(90deg,rgba(244,245,241,.025) 1px,transparent 1px); background-size: 80px 80px; }
.hero-copy { min-width: 0; }
.hero-description { max-width: 570px; margin: 28px 0; color: #b8bcc5; font-size: 17px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px 26px; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 28px; padding: 15px 22px; border: 1px solid var(--blue); background: var(--blue); color: #fff; font-size: 14px; line-height: 1.5; font-weight: 500; text-decoration: none; transition: background .18s; }
.button:hover { background: #2448d1; }
.button span { flex-shrink: 0; font-size: 20px; line-height: 1; }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 20px; color: #b8bcc5; font-size: 14px; text-underline-offset: 6px; }
.hero-meta { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 20px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); }
.signal-stage { position: relative; min-width: 0; width: 100%; aspect-ratio: 1.12; min-height: 380px; border: 1px solid var(--line); background: radial-gradient(ellipse at 39% 50%,rgba(49,94,255,.16),transparent 60%),#080a0f; }
.signal-stage::before, .signal-stage::after { content: ''; position: absolute; width: 16px; height: 16px; pointer-events: none; z-index: 2; }
.signal-stage::before { top: -1px; left: -1px; border-top: 2px solid var(--blue); border-left: 2px solid var(--blue); }
.signal-stage::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--blue); border-right: 2px solid var(--blue); }
.signal-stage canvas { position: absolute; width: 100%; height: 100%; inset: 0; }
.stage-top, .stage-readout { position: absolute; z-index: 2; left: 22px; right: 22px; display: flex; justify-content: space-between; color: var(--muted); pointer-events: none; }
.stage-top { top: 20px; }
.stage-top span:last-child { color: #8ba2ff; }
.stage-readout { bottom: 20px; flex-wrap: wrap; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); font: 400 12px/1.5 'Space Grotesk',sans-serif; letter-spacing: 0; }
.signal-map, .signal-fallback { position: absolute; inset: 70px 22px 90px; }
.signal-fallback svg { width: 100%; height: 100%; overflow: visible; }
.signal-map { display: grid; grid-template-columns: 24% 30% 46%; grid-template-rows: repeat(3, 1fr); }
.signal-source, .signal-hub { position: relative; grid-row: 2; }
.signal-source { grid-column: 1; }
.signal-hub { grid-column: 2; }
.signal-port { position: absolute; top: 50%; left: 50%; display: block; width: 12px; height: 12px; border: 1px solid #9eb1f2; border-radius: 50%; background: #0b1020; transform: translate(-50%,-50%); }
.signal-source .signal-port { width: 18px; height: 18px; box-shadow: 0 0 0 6px rgba(139,162,255,.06); }
.signal-source p, .signal-hub p { position: absolute; top: calc(50% + 23px); width: 100%; margin: 0; color: var(--ink); font-size: 14px; line-height: 1.4; text-align: center; }
.signal-hub .signal-port { display: grid; place-items: center; width: 52px; height: 52px; border: 1px solid #8ba2ff; border-radius: 12px; background: var(--blue); color: #fff; box-shadow: 0 0 0 8px rgba(49,94,255,.1),0 0 40px rgba(49,94,255,.16); font: 600 25px 'Anybody',sans-serif; }
.signal-hub p { top: calc(50% + 40px); }
.signal-hub small { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.signal-output { position: relative; grid-column: 3; display: flex; flex-direction: column; justify-content: center; padding-left: 20px; }
.signal-output .signal-port { left: 0; width: 8px; height: 8px; background: #d9e1ff; }
.signal-output--control { grid-row: 1; }
.signal-output--control .signal-port { background: #7290ff; border-color: #7290ff; }
.signal-output--records { grid-row: 2; }
.signal-output--software { grid-row: 3; }
.signal-output strong { font-size: 16px; line-height: 1.35; font-weight: 500; letter-spacing: -.02em; }
.signal-output--control strong { color: #9bb0ff; }
.signal-output > span { margin-top: 7px; color: #a1a9bc; font-size: 12px; line-height: 1.45; }
.signal-legend { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; }
.signal-legend i { display: block; width: 14px; height: 2px; background: #d9e1ff; }
.signal-legend i:last-of-type { margin-left: 10px; background: #7290ff; }
.is-enhanced .signal-fallback { visibility: hidden; }
@media (min-width: 681px) and (max-width: 1100px) {
  .signal-stage { min-height: 430px; }
}
@media (max-width: 1100px) {
  .signal-map, .signal-fallback { left: 14px; right: 14px; }
  .signal-source p, .signal-hub p { font-size: 12px; }
  .signal-hub small { font-size: 10px; }
  .signal-hub .signal-port { width: 40px; height: 40px; font-size: 21px; }
  .signal-output { padding-left: 14px; }
  .signal-output strong { font-size: 14px; }
}
.section { padding: clamp(68px, 7vw, 110px) var(--pad); border-top: 1px solid var(--line); }
.section-index { display: flex; align-items: center; gap: 15px; margin: 0 0 44px; color: var(--muted); }
.section-index > span { color: #8ba2ff; }
.split { display: grid; grid-template-columns: 1.25fr 1fr; gap: 80px; align-items: start; }
.split > p, .split > div > p { max-width: 540px; margin: 0; color: #b8bcc5; font-size: 17px; }
.split > div > p + p { margin-top: 20px; }
.problem h2 { font-size: clamp(32px, 3vw, 46px); }
.problem h2 em { color: #8ba2ff; }
.problem .problem-copy > p + p { color: var(--ink); }
.product { padding: 7px; background: var(--blue); color: var(--bg); }
.product-shell { padding: clamp(64px, 6.5vw, 100px) max(21px, calc((100% - 1320px) / 2)); background: var(--ink); }
.product .section-index { color: #565c66; }
.product .section-index > span { color: #2448d1; }
.product-heading { display: grid; grid-template-columns: 1fr 1.25fr; gap: 80px; align-items: center; }
.product-id > span { display: block; color: #565c66; }
.product-id strong { display: flex; align-items: flex-start; gap: 20px; margin-top: 20px; font: 600 clamp(62px, 7vw, 100px)/1 'Anybody', sans-serif; letter-spacing: -.07em; color: var(--blue); white-space: nowrap; }
.product-id strong span { font: 400 32px 'Space Grotesk',sans-serif; letter-spacing: 0; }
.product-body { display: grid; grid-template-columns: 1fr 1.25fr; gap: 80px; margin-top: 54px; }
.product-copy p { max-width: 490px; margin: 0 0 32px; font-size: 18px; color: #424750; }
.button--dark { border-color: var(--bg); background: var(--bg); }
.button--dark:hover { background: #252b38; }
.fuel-record { border-top: 2px solid var(--blue); }
.record-caption { margin: 17px 0; color: #505660; font-size: 9px; }
.fuel-record dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; }
.fuel-record dl div { padding: 15px 0; border-top: 1px solid rgba(6,7,10,.18); }
.fuel-record dl div:nth-child(even) { padding-left: 24px; border-left: 1px solid rgba(6,7,10,.18); }
.fuel-record dt { font-size: 12px; color: #565c66; }
.fuel-record dd { margin: 5px 0 0; font-size: 21px; font-weight: 500; }
.product-heading h2 em { color: #2448d1; }
.fuel-record dl .control-cut { padding-inline: 16px; background: #2448d1; color: #fff; }
.fuel-record dl .control-cut dt { color: #fff; }
.record-end { margin: 0; padding-top: 18px; border-top: 1px solid rgba(6,7,10,.18); font-size: 13px; }
.record-end span { margin-right: 12px; color: #2448d1; }
.section-intro { margin-bottom: 44px; }
.applications { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.applications li { display: grid; grid-template-columns: 40px 1.15fr 1fr; gap: 24px; align-items: baseline; padding: 23px 0; border-bottom: 1px solid var(--line); }
.applications li > span { color: #8ba2ff; font: 500 10px 'IBM Plex Mono',monospace; }
.applications h3 { margin: 0; font-size: 19px; line-height: 1.4; font-weight: 500; letter-spacing: -.025em; }
.applications p { margin: 0; font-size: 14px; color: var(--muted); }
.technical-note { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 16px 30px; margin-top: 38px; }
.technical-note > p { margin: 0; color: var(--muted); font-size: 9px; }
.technical-note ul { display: flex; flex-wrap: wrap; gap: 12px 22px; list-style: none; margin: 0; padding: 0; font-size: 12px; }
.technical-note li + li::before { content: '/'; margin-right: 22px; color: #8ba2ff; }
.approach { background: linear-gradient(100deg,transparent,rgba(49,94,255,.055)); }
.approach h2 em { color: #8ba2ff; }
.approach .approach-intro > p { max-width: 490px; margin-top: 24px; font-size: 16px; }
.approach-scope { margin: 0; border-top: 1px solid var(--line); }
.approach-scope > div { padding: 20px 0; border-bottom: 1px solid var(--line); }
.approach-scope dt { font-size: 17px; font-weight: 500; line-height: 1.5; }
.approach-scope dd { margin: 8px 0 0; color: #b8bcc5; font-size: 14px; line-height: 1.65; }
.contact { background: var(--ink); color: var(--bg); }
.contact .section-index { color: #565c66; }
.contact .section-index > span { color: #2448d1; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.contact-copy h2 { font-size: clamp(40px,4.5vw,66px); }
.contact-copy > p { max-width: 460px; margin: 24px 0 28px; color: #505660; font-size: 16px; }
.contact-channels { display: flex; flex-direction: column; gap: 20px; margin-top: 24px; padding-top: 24px; border-top: 1px solid rgba(6,7,10,.14); }
.contact-channel span { display: block; font: 500 10px/1.6 'IBM Plex Mono', monospace; letter-spacing: .075em; color: #565c66; }
.contact-email, .contact-whatsapp-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--bg); text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact-email:hover, .contact-whatsapp-link:hover { color: var(--blue); }
.form-hp { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; pointer-events: none !important; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-content: start; }
.contact-form > div { min-width: 0; }
.contact-form .full { grid-column: 1/-1; }
.contact-form label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 500; }
.contact-form label span { font-weight: 400; color: #626874; }
.contact-form .required { color: #a32222; font-weight: 600; margin-left: 2px; }
.contact-form input, .contact-form textarea { display: block; width: 100%; min-height: 48px; border: 0; border-bottom: 1px solid #81858c; border-radius: 0; padding: 10px 4px; color: var(--bg); background: transparent; font-size: 16px; }
.contact-form textarea { resize: vertical; line-height: 1.6; }
.contact-form textarea::placeholder { color: #81858c; font-size: 14px; opacity: 1; }
.contact-form input:focus-visible, .contact-form textarea:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.contact-form [aria-invalid="true"] { border-color: #a32222; }
.contact-form small { display: block; min-height: 17px; margin-top: 5px; color: #a32222; font-size: 12px; }
.form-help { max-width: 480px; margin: 15px 0 0; color: #505660; font-size: 12px; line-height: 1.6; }
.form-status { margin-top: 14px; font-size: 13px; line-height: 1.6; border-radius: 0; transition: opacity .2s ease; }
.form-status:empty { display: none; }
.form-status.is-sending { display: block; padding: 12px 16px; background: rgba(49,94,255,.08); border-left: 3px solid var(--blue); color: #1a3ab5; font-weight: 500; }
.form-status.is-success { display: block; padding: 14px 18px; background: rgba(37,211,102,.1); border-left: 3px solid #1fa851; color: #0e5b29; font-weight: 500; }
.form-status.is-error { display: block; padding: 14px 18px; background: rgba(163,34,34,.08); border-left: 3px solid #a32222; color: #831818; font-weight: 500; }
.button:disabled { opacity: .65; cursor: not-allowed; pointer-events: none; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 32px var(--pad); }
footer p { margin: 0; color: var(--muted); font-size: 11px; }
@media (min-width: 901px) { .menu-button { display: none; } }
@media (max-width: 1100px) {
  h1 { font-size: clamp(58px,7vw,78px); }
  .hero { gap: 40px 28px; }
  .split, .product-heading, .product-body, .contact-layout { gap: 40px; }
  .desktop-nav { gap: 18px; }
}
@media (max-width: 900px) {
  :root { --header: 72px; }
  .desktop-nav { display: none; }
  .header-cta { margin-left: auto; border: 0; padding: 0; }
  .site-header { gap: 20px; }
  .hero { grid-template-columns: 1.1fr 1fr; }
  h1 { font-size: 58px; }
  .hero-description { font-size: 16px; }
  .signal-stage { aspect-ratio: .85; }
  .stage-top, .stage-readout { left: 14px; right: 14px; }
  .stage-top { font-size: 9px; }
  .split, .product-heading, .product-body { gap: 30px; }
  .contact-layout { grid-template-columns: 1fr; gap: 42px; }
  .contact-copy > p { max-width: 570px; }
  .contact-form { max-width: 680px; }
  .applications li { grid-template-columns: 28px 1fr 1fr; gap: 18px; }
}
@media (max-width: 680px) {
  :root { --pad: 22px; --header: 68px; }
  .brand { font-size: 12px; gap: 9px; }
  .brand > span { width: 30px; height: 30px; }
  .site-header { gap: 12px; }
  .header-cta { font-size: 12px; gap: 7px; }
  .menu-button { margin-left: auto; flex-shrink: 0; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 49px; }
  h1 { font-size: clamp(52px, 13.7vw, 82px); line-height: 1.02; }
  .eyebrow { font-size: 9px; margin-bottom: 26px; }
  .hero-description { margin: 25px 0; line-height: 1.65; }
  .hero-actions { gap: 12px 25px; }
  .signal-stage { aspect-ratio: 1.4; }
  .stage-top { font-size: 9px; }
  .hero-meta { margin-top: 0; gap: 12px; flex-direction: column; font-size: 8px; }
  .hero-meta span:last-child { color: #747c8c; }
  .section { padding-block: 64px; }
  .section-index { margin-bottom: 28px; font-size: 9px; }
  .split, .product-heading, .product-body { grid-template-columns: 1fr; gap: 26px; }
  h2, .problem h2 { font-size: clamp(33px, 9.2vw, 48px); line-height: 1.1; }
  .split > p, .split > div > p { font-size: 16px; }
  .product { padding: 5px; }
  .product-shell { padding: 52px 17px; }
  .product-id strong { font-size: 72px; margin-top: 14px; }
  .product-id > span { font-size: 9px; }
  .product-heading { gap: 32px; }
  .product-body { margin-top: 28px; gap: 32px; }
  .product-copy p { font-size: 16px; margin-bottom: 24px; }
  .product .button { width: 100%; font-size: 13px; padding-inline: 16px; gap: 16px; }
  .fuel-record dd { font-size: 19px; }
  .section-intro { margin-bottom: 30px; }
  .applications li { grid-template-columns: 22px 1fr; gap: 8px 14px; padding: 23px 0; }
  .applications h3 { font-size: 18px; }
  .applications p { grid-column: 2; font-size: 14px; }
  .technical-note { margin-top: 28px; }
  .technical-note ul { gap: 10px 14px; font-size: 11px; }
  .technical-note li + li::before { margin-right: 14px; }
  .contact-copy h2 { font-size: clamp(39px,10.5vw,58px); }
  .contact-form { grid-template-columns: 1fr; gap: 20px; }
  .contact .button { width: 100%; }
  footer { flex-direction: column; align-items: flex-start; gap: 18px; }
}
@media (max-width: 380px) {
  :root { --pad: 18px; }
  .header-cta { display: none; }
  .button { font-size: 13px; }
}
.whatsapp-bubble {
  position: fixed;
  z-index: 95;
  bottom: max(26px, env(safe-area-inset-bottom, 26px));
  right: max(26px, env(safe-area-inset-right, 26px));
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.whatsapp-btn {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 18px rgba(37,211,102,.35), 0 2px 8px rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.2);
  transition: transform .2s cubic-bezier(.2,.8,.2,1), box-shadow .2s ease, background .2s ease;
}
.whatsapp-icon {
  display: block;
  width: 30px;
  height: 30px;
}
.whatsapp-tooltip {
  pointer-events: none;
  padding: 8px 14px;
  background: rgba(6,7,10,.94);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -.01em;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,.5);
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.whatsapp-bubble:hover .whatsapp-btn {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 4px 12px rgba(0,0,0,.5);
}
.whatsapp-bubble:hover .whatsapp-tooltip,
.whatsapp-bubble:focus-visible .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
.whatsapp-bubble:active .whatsapp-btn {
  transform: translateY(0) scale(.96);
  box-shadow: 0 2px 10px rgba(37,211,102,.3), 0 1px 4px rgba(0,0,0,.4);
}
.whatsapp-bubble:focus-visible {
  outline: none;
}
.whatsapp-bubble:focus-visible .whatsapp-btn {
  outline: 3px solid #7e9aff;
  outline-offset: 4px;
}
@media (max-width: 680px) {
  .whatsapp-bubble {
    bottom: max(20px, env(safe-area-inset-bottom, 20px));
    right: max(18px, env(safe-area-inset-right, 18px));
  }
  .whatsapp-btn {
    width: 54px;
    height: 54px;
  }
  .whatsapp-icon {
    width: 28px;
    height: 28px;
  }
  .whatsapp-tooltip {
    display: none !important;
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}