:root {
  --ink: #071311;
  --ink-soft: #112522;
  --paper: #f1f3ef;
  --paper-bright: #fbfcfa;
  --logo-paper: #fafaf5;
  --muted: #63726d;
  --line: #d3dad5;
  --green: #37e879;
  --green-dark: #08765a;
  --lime: #b9f65a;
  --cyan: #20d4f6;
  --blue: #168ff0;
  --amber: #f4aa2b;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(7, 17, 15, .12);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.55; -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .38; 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='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E"); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, .button { touch-action: manipulation; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { max-width: 780px; }
.section { padding: 82px 0; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 100; padding: 10px 16px; background: var(--green); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: sticky; top: 0; z-index: 50; background: var(--logo-paper); border-bottom: 1px solid rgba(7,17,15,.1); }
.nav-wrap { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; overflow: hidden; background: var(--logo-paper); text-decoration: none; }
.brand-logo { display: block; width: 200px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: .88rem; font-weight: 700; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: var(--green-dark); }
.site-nav .nav-cta { padding: 10px 17px; border: 1px solid var(--ink); border-radius: 999px; }
.nav-toggle { display: none; border: 0; background: transparent; font-weight: 800; }
.admin-bar { background: var(--ink); color: #fff; }
.admin-bar .shell { min-height: 38px; display: flex; align-items: center; gap: 24px; }
.admin-bar a, .admin-bar button { color: #d9e3de; font-size: .8rem; text-decoration: none; }
.admin-bar form { margin-left: auto; }
.admin-bar button { border: 0; background: transparent; cursor: pointer; }

.hero { overflow: hidden; position: relative; min-height: 630px; padding: 60px 0 68px; background: radial-gradient(circle at 84% 38%, rgba(32,212,246,.14), transparent 26%), radial-gradient(circle at 72% 65%, rgba(55,232,121,.13), transparent 32%), linear-gradient(180deg, #fafbf8, var(--paper)); }
.hero::after { content: ""; position: absolute; width: 600px; height: 600px; right: -250px; top: -300px; border: 1px solid rgba(7,17,15,.08); border-radius: 50%; box-shadow: 0 0 0 80px rgba(7,17,15,.02), 0 0 0 160px rgba(7,17,15,.015); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 52px; position: relative; z-index: 1; }
.eyebrow, .kicker { display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); text-transform: uppercase; font-size: .72rem; letter-spacing: .14em; font-weight: 800; }
.eyebrow i { display: block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(11,224,146,.14); }
.kicker { color: var(--green-dark); margin-bottom: 12px; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { max-width: 720px; margin: 18px 0; font-size: clamp(3.3rem, 6vw, 6.4rem); line-height: .94; letter-spacing: -.075em; font-weight: 850; }
.hero h1 em { color: var(--green-dark); font-style: normal; }
.lede { max-width: 650px; color: #45534e; font-size: 1.16rem; line-height: 1.62; }
.hero-support { max-width: 640px; margin: 16px 0 0; color: #253c35; font-weight: 750; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 50px; padding: 12px 21px; border: 1px solid var(--ink); border-radius: 8px; color: var(--ink); background: transparent; font-size: .86rem; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { border-color: var(--green); background: var(--green); box-shadow: 0 10px 28px rgba(11,224,146,.22); }
.button.primary:hover { background: var(--lime); border-color: var(--lime); }
.button.ghost:hover { background: var(--ink); color: #fff; }
.microcopy { margin: 10px 0 0; color: var(--muted); font-size: .8rem; }

.hero-product-art { position: relative; margin: 0; padding: 12px; border: 1px solid rgba(22,143,240,.25); border-radius: 26px; background: linear-gradient(145deg, #12231f, #07110f); box-shadow: 0 42px 90px rgba(7,19,17,.24); transform: rotate(1.2deg); }
.hero-product-art::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: 27px; background: linear-gradient(130deg, var(--green), var(--cyan) 45%, var(--blue)); filter: blur(8px); opacity: .35; }
.hero-product-art img { display: block; width: 100%; height: auto; border-radius: 17px; background: #fff; }
.hero-product-art figcaption { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 8px 1px; color: #8fa79f; font: .6rem var(--mono); letter-spacing: .04em; }
.hero-product-art figcaption span { color: var(--cyan); text-transform: uppercase; letter-spacing: .1em; }
.hero-image-glow { position: absolute; width: 120px; height: 120px; right: 12%; bottom: 8%; border-radius: 50%; background: var(--cyan); filter: blur(80px); opacity: .25; pointer-events: none; }

.device-stage { position: relative; min-height: 465px; display: grid; place-items: center; perspective: 1000px; }
.device-card { position: relative; z-index: 2; width: min(100%, 500px); padding: 23px; border: 1px solid rgba(255,255,255,.15); border-radius: 26px; color: #eaf7f1; background: linear-gradient(145deg, #162823, #07110f 74%); box-shadow: 0 48px 80px rgba(7,17,15,.28); transform: rotateY(-5deg) rotateX(2deg); }
.device-card::before { content: ""; position: absolute; inset: 7px; border: 1px solid rgba(255,255,255,.06); border-radius: 20px; pointer-events: none; }
.device-top, .device-foot, .board-header { display: flex; align-items: center; justify-content: space-between; font-family: var(--mono); letter-spacing: .1em; font-size: .68rem; }
.device-brand b { display: inline-grid; place-items: center; width: 24px; height: 24px; margin-right: 8px; border-radius: 6px; background: var(--green); color: var(--ink); }
.live-dot { color: var(--green); }
.gauge-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 20px; align-items: center; padding: 35px 0 22px; }
.gauge { aspect-ratio: 1; display: grid; place-items: center; align-content: center; border: 13px solid #1d3830; border-top-color: var(--green); border-right-color: var(--green); border-radius: 50%; transform: rotate(45deg); }
.gauge > * { transform: rotate(-45deg); }
.gauge span { font-family: var(--mono); font-size: 3.5rem; line-height: 1; font-weight: 800; }
.gauge small { margin-top: 8px; color: #8ea49b; font-size: .56rem; }
.readouts { display: grid; gap: 10px; }
.readouts div { display: flex; align-items: baseline; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid #28423a; }
.readouts span { font: 700 1.12rem var(--mono); }
.readouts small { color: #81948c; font: .6rem var(--mono); letter-spacing: .08em; }
.sparkline { height: 76px; padding: 8px 0; border-block: 1px solid #203a32; background-image: linear-gradient(rgba(11,224,146,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,224,146,.06) 1px, transparent 1px); background-size: 28px 20px; }
.sparkline svg { width: 100%; height: 100%; }
.sparkline path { fill: none; stroke: var(--green); stroke-width: 3; filter: drop-shadow(0 0 5px rgba(11,224,146,.45)); }
.device-foot { padding-top: 16px; color: #7e948b; font-size: .58rem; }
.device-foot span:last-child { color: var(--green); }
.hardware-chip { position: absolute; z-index: 3; right: -8px; bottom: 8px; width: 148px; padding: 20px; border-radius: 16px; background: #d7c18c; color: #1a231e; box-shadow: 0 24px 45px rgba(7,17,15,.22); transform: rotate(4deg); }
.hardware-chip::before { content: ""; position: absolute; inset: 7px; border: 1px dashed rgba(7,17,15,.3); border-radius: 10px; }
.hardware-chip b, .hardware-chip small { position: relative; display: block; font-family: var(--mono); line-height: 1.25; }
.hardware-chip small { margin-top: 12px; font-size: .55rem; letter-spacing: .05em; }
.chip-led { position: absolute; top: 18px; right: 18px; width: 8px; height: 8px; border-radius: 50%; background: #00d16d; box-shadow: 0 0 8px #00d16d; }
.signal { position: absolute; width: 380px; height: 380px; border: 1px solid rgba(11,224,146,.22); border-radius: 50%; }
.signal-one { right: -50px; }
.signal-two { right: 20px; width: 240px; height: 240px; }

.proof-band { padding: 18px 0; color: #fff; background: var(--ink); }
.proof-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.proof-grid div { display: flex; align-items: center; gap: 12px; padding: 5px 22px; border-right: 1px solid #2b3c37; }
.proof-grid div:last-child { border: 0; }
.proof-grid span { font-size: .75rem; line-height: 1.35; text-transform: uppercase; letter-spacing: .07em; }

.vehicle-section { position: relative; overflow: hidden; background: #e8ece8; }
.vehicle-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(120deg, rgba(55,232,121,.06), transparent 34%), radial-gradient(circle at 90% 20%, rgba(32,212,246,.08), transparent 25%); }
.vehicle-section .shell { position: relative; }
.vehicle-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.vehicle-card { overflow: hidden; border: 1px solid #cad3cd; border-radius: 18px; background: var(--paper-bright); box-shadow: 0 18px 45px rgba(7,19,17,.08); }
.vehicle-image { position: relative; aspect-ratio: 3/2; overflow: hidden; background: #fff; }
.vehicle-image::after { content: ""; position: absolute; inset: auto 0 0; height: 28%; background: linear-gradient(transparent, rgba(7,19,17,.08)); pointer-events: none; }
.vehicle-image img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.vehicle-card:hover .vehicle-image img { transform: scale(1.025); }
.vehicle-copy { position: relative; min-height: 190px; padding: 21px; border-top: 4px solid var(--green); }
.atv-card .vehicle-copy { border-top-color: var(--cyan); }
.fork-card .vehicle-copy { border-top-color: var(--amber); }
.vehicle-copy h3 { margin: 0 0 7px; font-size: 1.25rem; line-height: 1.2; }
.vehicle-copy p { margin: 0; color: var(--muted); font-size: .82rem; }
.visual-note { max-width: 760px; margin: 18px auto 0; color: #73817c; font-size: .72rem; text-align: center; }

.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; margin-bottom: 36px; }
.split-heading h2, .section-heading h2, .telemetry h2, .form-copy h2, .beta-copy h2, .contact-wrap h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 4.8rem); line-height: 1; letter-spacing: -.06em; }
.split-heading > p, .section-heading > p { max-width: 590px; margin: 0; color: var(--muted); font-size: 1.05rem; }
.section-explainer { max-width: 610px; color: var(--muted); font-size: .98rem; }
.section-explainer p { margin: 0 0 13px; }
.section-explainer p:last-child { margin-bottom: 0; }
.section-heading { max-width: 700px; margin-bottom: 38px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered p { margin: 14px auto 0; }
.concept-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.concept-card { position: relative; min-height: 248px; padding: 25px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(251,252,247,.7); }
.concept-card.featured { background: linear-gradient(145deg, var(--green), #7cefa9 65%, var(--cyan)); border-color: var(--green); transform: translateY(-14px); }
.concept-card .icon, .feature-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--ink); color: var(--green); font-size: 1.4rem; }
.concept-card h3 { margin: 30px 0 8px; font-size: 1.45rem; }
.concept-card p { color: #53605b; }
.concept-card.featured p { color: #183f31; }
.concept-card small { position: absolute; bottom: 20px; font: 700 .6rem var(--mono); letter-spacing: .09em; }
.field-views { width: min(1025px, calc(100% - 40px)); margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--line); }
.field-view-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 36px; margin-bottom: 18px; }
.field-view-heading h3 { max-width: 590px; margin: 0; font-size: clamp(1.65rem, 2.7vw, 2.45rem); line-height: 1; letter-spacing: -.045em; }
.field-view-heading > p { max-width: 560px; margin: 0; color: var(--muted); font-size: .94rem; }
.field-view-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-view-card { overflow: hidden; margin: 0; padding: 7px; border: 1px solid #203a32; border-radius: var(--radius); background: var(--ink); box-shadow: 0 16px 40px rgba(7,19,17,.12); }
.field-view-card img { display: block; width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; border-radius: 12px 12px 7px 7px; background: #fff; }
.field-view-card figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 6px 3px; color: #edf7f2; }
.field-view-card figcaption span { color: var(--green); font: 700 .58rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.field-view-card figcaption strong { font-size: .82rem; text-align: right; }
.field-view-note { max-width: 780px; margin: 14px auto 0; color: #73817c; font-size: .7rem; text-align: center; }

.dark-panel { color: #edf7f2; background: radial-gradient(circle at 85% 15%, rgba(32,212,246,.08), transparent 28%), var(--ink); }
.dark-panel .section-heading p { color: #8fa299; }
.signal-flow { display: grid; grid-template-columns: 1fr 100px 1fr 100px 1fr; align-items: center; }
.flow-node { padding: 28px; border: 1px solid #2b413a; border-radius: var(--radius); background: #0e1c18; text-align: center; }
.flow-node > span { display: block; color: #658078; font: .7rem var(--mono); text-align: left; }
.flow-node .flow-icon { display: grid; place-items: center; width: 68px; height: 68px; margin: 14px auto; border-radius: 50%; background: #182e27; color: var(--green); font-size: 1.8rem; font-weight: 900; }
.flow-node h3 { margin-bottom: 5px; }
.flow-node p { margin: 0; color: #8fa299; font-size: .86rem; }
.signal-flow > i { height: 1px; background: repeating-linear-gradient(90deg,var(--green) 0 6px,transparent 6px 11px); }
.compat-note { max-width: 750px; margin: 28px auto 0; padding: 14px 18px; border-left: 3px solid var(--green); color: #9bb0a7; background: #0f201b; font-size: .82rem; }
.compat-note b { color: #eaf5f0; }

.telemetry-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; }
.telemetry-grid > div > p { margin: 18px 0; color: var(--muted); }
.check-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.check-list li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 11px; border-radius: 50%; color: var(--green-dark); background: rgba(11,224,146,.14); font-weight: 900; }
.telemetry-board { padding: 24px; border-radius: 20px; color: #ecf8f3; background: #0a1612; box-shadow: var(--shadow); }
.connected { color: var(--green); }
.board-row { display: grid; grid-template-columns: 145px 1fr 75px; gap: 15px; align-items: center; padding: 15px 0; border-bottom: 1px solid #20332d; font: .7rem var(--mono); }
.board-row b { text-align: right; color: var(--green); }
.meter { height: 5px; overflow: hidden; border-radius: 5px; background: #20332d; }
.meter i { display: block; height: 100%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.telemetry-board > small { display: block; margin-top: 14px; color: #61766e; font: .58rem var(--mono); text-align: center; letter-spacing: .08em; }

.status-section { background: #e7e9e2; }
.status-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
#compatibility .status-grid { grid-template-columns: repeat(2,1fr); }
.status-grid article { padding: 24px; border: 1px solid #d0d6cd; border-radius: var(--radius); background: var(--paper-bright); }
.status-grid h3 { margin: 18px 0 10px; font-size: 1.35rem; }
.status-grid ul { display: grid; gap: 7px; margin: 0; padding-left: 19px; color: #53605b; font-size: .88rem; }
.status-label { display: inline-flex; padding: 7px 10px; border-radius: 5px; font: 700 .66rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.status-label.working { color: #075a3d; background: #c9f8e5; }
.status-label.building { color: #76500e; background: #ffedc9; }
.status-label.evaluating { color: #255b82; background: #d9efff; }

.features-section { background: var(--paper-bright); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }
.feature-card { padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: #f5f6f1; transition: transform .2s, border-color .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-3px); border-color: #93a099; box-shadow: 0 15px 35px rgba(7,17,15,.08); }
.feature-card h3 { margin: 17px 0 6px; font-size: 1.06rem; }
.feature-card p { min-height: 48px; color: var(--muted); font-size: .8rem; }
.feature-icon { width: 39px; height: 39px; font-size: 1rem; }
.vote-row { display: flex; gap: 5px; }
.vote-row button { flex: 1; min-height: 34px; padding: 5px; border: 1px solid #cfd5ce; border-radius: 6px; background: transparent; color: #54615c; font-size: .66rem; font-weight: 750; cursor: pointer; }
.vote-row button:hover, .vote-row button.selected { border-color: var(--green-dark); background: var(--green); color: var(--ink); }
.vote-status { display: block; min-height: 18px; margin-top: 6px; color: var(--green-dark); font-size: .68rem; }

.research-section { color: #eaf5f0; background: radial-gradient(circle at 90% 10%, rgba(22,143,240,.09), transparent 28%), #0b1713; }
.research-section .section-heading p, .price-intro p { color: #8ca199; }
.builder-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 16px; }
.builder-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.toggle-card { display: flex; align-items: center; gap: 14px; min-height: 62px; padding: 13px 15px; border: 1px solid #2b3f38; border-radius: 10px; background: #10211b; cursor: pointer; }
.toggle-card input { position: absolute; opacity: 0; }
.toggle-card span { width: 38px; height: 22px; padding: 3px; border-radius: 15px; background: #31423c; }
.toggle-card span::after { content: ""; display: block; width: 16px; height: 16px; border-radius: 50%; background: #84968f; transition: transform .2s; }
.toggle-card input:checked + span { background: var(--green); }
.toggle-card input:checked + span::after { background: var(--ink); transform: translateX(16px); }
.toggle-card:has(input:focus-visible) { outline: 2px solid var(--green); outline-offset: 2px; }
.toggle-card b { font-size: .83rem; }
.build-summary { padding: 24px; border: 1px solid #3b5149; border-radius: 12px; background: linear-gradient(145deg,#172d25,#0e1d18); text-align: center; }
.build-summary > span { font: .62rem var(--mono); color: var(--green); letter-spacing: .1em; }
.build-summary p { color: #8ca199; font-size: .78rem; }
.mini-device { width: 110px; margin: 16px auto; padding: 12px; border: 1px solid #486059; border-radius: 10px; background: #08110e; }
.mini-device b { display: block; color: var(--green); font-size: 1.5rem; }
.mini-device i { display: block; height: 4px; margin: 8px 0; background: #263f36; }
.price-research { display: grid; grid-template-columns: .8fr 1fr 1fr; gap: 16px; align-items: stretch; margin-top: 52px; }
.price-intro { padding-right: 25px; }
.price-intro h2 { font-size: 2.6rem; line-height: 1; letter-spacing: -.05em; }
.price-card { margin: 0; padding: 22px; border: 1px solid #314940; border-radius: 14px; background: #10211b; }
.price-card.pro { border-color: #5271a1; background: #101c25; }
.price-card legend { padding: 0 8px; font-size: 1.1rem; font-weight: 800; }
.price-card p { min-height: 65px; color: #95a69f; font-size: .78rem; }
.price-options { display: grid; gap: 7px; }
.price-options label { cursor: pointer; }
.price-options input { position: absolute; opacity: 0; }
.price-options span { display: block; padding: 9px 12px; border: 1px solid #32473f; border-radius: 6px; color: #b2c0ba; font-size: .76rem; }
.price-options input:checked + span { border-color: var(--green); color: var(--ink); background: var(--green); font-weight: 800; }

.form-shell, .beta-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 54px; align-items: start; }
.form-copy, .beta-copy { position: sticky; top: 130px; }
.form-copy p, .beta-copy p { margin: 18px 0; color: var(--muted); }
.panel-form { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-bright); box-shadow: 0 20px 60px rgba(7,17,15,.07); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.panel-form label, .panel-form legend { color: #394640; font-size: .74rem; font-weight: 750; }
.panel-form input, .panel-form select, .panel-form textarea, .contact-form input { width: 100%; min-height: 45px; margin-top: 6px; padding: 10px 12px; border: 1px solid #cbd2ca; border-radius: 7px; color: var(--ink); background: #fff; }
.panel-form textarea { resize: vertical; }
.panel-form input:focus, .panel-form select:focus, .panel-form textarea:focus, .contact-form input:focus { outline: 2px solid rgba(11,224,146,.35); border-color: var(--green-dark); }
.panel-form fieldset { margin: 15px 0; padding: 14px; border: 1px solid var(--line); border-radius: 9px; }
.form-help { margin: 16px 0 8px; color: var(--muted); font-size: .83rem; font-weight: 750; }
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.checkbox-grid label { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.checkbox-grid input { width: auto; min-height: auto; margin: 0; }
.panel-form > .button { margin-top: 14px; }
.form-status { min-height: 22px; margin: 12px 0 0; color: var(--green-dark); font-size: .8rem; font-weight: 700; }
.form-status.error { color: #a02d2d; }

.beta-section { color: #eaf5f0; background: var(--ink); }
.beta-grid { grid-template-columns: .8fr 1.2fr; }
.beta-copy p { color: #a7b8b1; }
.notice { padding: 14px 16px; border: 1px solid #31483f; border-radius: 10px; color: #a7b8b1; background: #10211b; font-size: .78rem; }
.notice b { color: var(--green); }
.beta-form { color: var(--ink); }

.faq-section { background: #e7e9e2; }
.faq-section details { border-top: 1px solid #c6cdc5; }
.faq-section details:last-child { border-bottom: 1px solid #c6cdc5; }
.faq-section summary { padding: 16px 4px; font-weight: 800; cursor: pointer; }
.faq-section details p { max-width: 680px; padding: 0 4px 14px; color: var(--muted); }
.contact-section { background: var(--green); }
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.contact-wrap .kicker { color: #07583d; }
.contact-wrap p { margin: 12px 0 0; color: #17513d; }
.contact-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.contact-form .button { background: var(--ink); border-color: var(--ink); color: #fff; }
.contact-form .form-status { grid-column: 1/-1; color: var(--ink); }

.page-hero { padding: 72px 0 52px; color: #edf7f2; background: var(--ink); }
.page-hero h1 { max-width: 750px; margin: 10px 0; font-size: clamp(3rem,7vw,5.8rem); line-height: .98; letter-spacing: -.065em; }
.page-hero p { color: #8da198; }
.prose h2 { margin-top: 34px; font-size: 1.5rem; }
.prose p { color: #53605b; }

.site-footer { padding: 46px 0 20px; color: #dbe8e2; background: #050b09; }
.footer-grid { display: grid; grid-template-columns: 1fr .55fr 1fr; gap: 55px; }
.footer-grid .brand { padding: 5px 8px; border-radius: 7px; }
.footer-grid .brand-logo { width: 190px; }
.footer-grid p { max-width: 390px; color: #7f938a; font-size: .82rem; }
.footer-grid h2 { margin: 0 0 17px; color: #fff; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-grid > div > a:not(.brand) { display: block; margin: 7px 0; color: #92a49c; font-size: .8rem; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 34px; padding-top: 16px; border-top: 1px solid #1b2a25; color: #5e7169; font: .62rem var(--mono); }

.admin-page { padding: 65px 0 100px; }
.admin-heading { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 35px; }
.admin-heading h1 { margin: 0; font-size: 2.8rem; letter-spacing: -.05em; }
.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.metric { padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-bright); }
.metric span { display: block; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }
.metric strong { display: block; margin-top: 8px; font-size: 2rem; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.admin-card { overflow: auto; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-bright); }
.admin-card h2 { font-size: 1.1rem; }
.data-table { width: 100%; border-collapse: collapse; font-size: .74rem; }
.data-table th, .data-table td { max-width: 300px; padding: 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.data-table th { color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .05em; }
.login-wrap { width: min(430px, calc(100% - 40px)); margin: 80px auto 120px; }
.login-wrap h1 { font-size: 2.8rem; letter-spacing: -.05em; }
.flash { padding: 12px; margin-bottom: 15px; border-radius: 7px; background: #ffd9d9; color: #7e2020; }

@media (max-width: 950px) {
  .hero-grid, .telemetry-grid, .form-shell, .beta-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 52px 0 58px; }
  .hero-copy { text-align: center; }
  .hero h1, .lede { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-product-art { width: min(680px,100%); margin-inline: auto; transform: none; }
  .proof-grid { grid-template-columns: 1fr 1fr; gap: 15px 0; }
  .proof-grid div:nth-child(2) { border: 0; }
  .split-heading { grid-template-columns: 1fr; gap: 20px; }
  .field-view-heading { grid-template-columns: 1fr; gap: 12px; }
  .signal-flow { grid-template-columns: 1fr; gap: 8px; }
  .signal-flow > i { width: 1px; height: 30px; margin: auto; }
  .status-grid, .feature-grid, .vehicle-grid { grid-template-columns: 1fr 1fr; }
  .price-research { grid-template-columns: 1fr 1fr; }
  .price-intro { grid-column: 1/-1; }
  .form-copy, .beta-copy { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-disclaimer { grid-column: 1/-1; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 1160px); }
  .section { padding: 58px 0; }
  .site-header { position: relative; }
  .brand-logo { width: 174px; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; inset: 64px 0 auto; padding: 16px 20px; flex-direction: column; align-items: stretch; gap: 13px; background: var(--paper-bright); box-shadow: 0 15px 25px rgba(7,17,15,.12); }
  .site-nav.open { display: flex; }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .hero { padding: 42px 0 48px; }
  .hero-grid { gap: 24px; }
  .device-stage { min-height: 400px; }
  .device-card { padding: 17px; transform: none; }
  .hardware-chip { right: 0; bottom: 0; width: 125px; }
  .gauge-wrap { grid-template-columns: 1fr 1fr; gap: 10px; }
  .gauge { border-width: 9px; }
  .gauge span { font-size: 2.5rem; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid div, .proof-grid div:nth-child(2) { border-right: 0; border-bottom: 1px solid #2b3c37; }
  .concept-grid, .status-grid, .feature-grid, .vehicle-grid, .field-view-grid, .builder-options, .price-research, .form-grid, .contact-wrap, .footer-grid, .admin-grid { grid-template-columns: 1fr; }
  #compatibility .status-grid { grid-template-columns: 1fr; }
  .concept-card.featured { transform: none; }
  .board-row { grid-template-columns: 100px 1fr 65px; gap: 8px; font-size: .58rem; }
  .builder-grid { grid-template-columns: 1fr; }
  .price-intro { grid-column: auto; }
  .panel-form { padding: 20px; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .footer-disclaimer { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .admin-heading { align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}