:root {
  --ink: #111513;
  --ink-2: #1d2420;
  --paper: #f6f3ec;
  --paper-2: #ebe6da;
  --line: rgba(17, 21, 19, 0.14);
  --muted: #657068;
  --lime: #b8f26d;
  --mint: #7ee8ba;
  --cyan: #77d7ff;
  --amber: #ffb55e;
  --red: #f06f60;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(17, 21, 19, 0.18);
  --radius: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.45rem, 7vw, 5.7rem);
  max-width: 980px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: 1.25rem;
}

img,
canvas {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--lime);
  color: var(--ink);
  border-radius: var(--radius);
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(246, 243, 236, 0.86);
  border-bottom: 1px solid rgba(17, 21, 19, 0.1);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--lime);
  font-size: 0.76rem;
  font-weight: 900;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 10px 12px;
  border-radius: var(--radius);
  color: #2d3731;
  font-weight: 700;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current="page"] {
  background: rgba(17, 21, 19, 0.08);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 9px 11px;
  font-weight: 800;
  cursor: pointer;
}

.nav-toggle span {
  width: 13px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.section-dark {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
}

#sense-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.72;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(to bottom, rgba(17, 21, 19, 0), var(--ink));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0 86px;
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 24px;
}

.eyebrow {
  color: #4d6f5a;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.section-dark .eyebrow {
  color: var(--mint);
}

.hero-lead {
  max-width: 700px;
  color: rgba(246, 243, 236, 0.82);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions,
.section-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 900;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--lime);
  color: var(--ink);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.18);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.assurance-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 2px 0 0;
}

.assurance-list li {
  padding: 8px 10px;
  border: 1px solid rgba(246, 243, 236, 0.16);
  border-radius: var(--radius);
  color: rgba(246, 243, 236, 0.72);
  font-weight: 800;
  font-size: 0.9rem;
}

.product-visual {
  background: rgba(246, 243, 236, 0.08);
  border: 1px solid rgba(246, 243, 236, 0.18);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.visual-header {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding-bottom: 16px;
  color: rgba(246, 243, 236, 0.78);
  font-weight: 850;
}

.visual-header strong {
  margin-left: auto;
  color: var(--lime);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(184, 242, 109, 0.14);
}

.sensor-grid {
  display: grid;
  gap: 10px;
}

.sensor-grid div {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(246, 243, 236, 0.08);
}

.sensor-grid span,
.mini-hud span {
  color: rgba(246, 243, 236, 0.62);
  font-size: 0.86rem;
  font-weight: 800;
}

.sensor-grid strong {
  font-size: 1.18rem;
}

.sensor-grid i {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint) var(--value), rgba(246, 243, 236, 0.14) var(--value));
}

.mini-hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.mini-hud span {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid rgba(246, 243, 236, 0.14);
  border-radius: var(--radius);
}

.intro-band {
  padding: 28px clamp(18px, 4vw, 64px);
  background: var(--lime);
}

.intro-band p {
  width: min(1100px, 100%);
  margin: 0 auto;
  font-size: clamp(1.02rem, 2vw, 1.28rem);
  font-weight: 850;
  line-height: 1.45;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(68px, 8vw, 112px) 0;
}

.section-muted {
  width: 100%;
  max-width: none;
  padding-left: clamp(18px, 4vw, 64px);
  padding-right: clamp(18px, 4vw, 64px);
  background: var(--paper-2);
}

.section-muted > * {
  width: min(1180px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow),
.split p,
.page-hero p,
.article-content p,
.legal p {
  color: var(--muted);
  font-size: 1.06rem;
}

.feature-grid,
.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.assurance-grid article {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.52);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--lime);
  font-weight: 950;
  font-size: 0.85rem;
}

.feature-card p,
.assurance-grid p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.split > div:first-child {
  display: grid;
  gap: 16px;
}

.proof-list {
  display: grid;
  gap: 12px;
}

.proof-list div {
  display: grid;
  gap: 5px;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(17, 21, 19, 0.1);
}

.proof-list strong {
  font-size: 1.12rem;
}

.proof-list span {
  color: var(--muted);
}

.proof-list.horizontal {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.assurance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.assurance-grid.large {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.assurance-grid.large article {
  min-height: 260px;
}

.section-cta {
  justify-content: space-between;
  gap: 24px;
  padding: 36px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
}

.section-cta div {
  display: grid;
  gap: 14px;
  max-width: 780px;
}

.section-cta p:not(.eyebrow) {
  color: rgba(246, 243, 236, 0.76);
}

.faq-preview {
  padding-top: 30px;
}

.accordion {
  display: grid;
  gap: 10px;
  max-width: 860px;
}

.accordion.full {
  max-width: none;
}

.accordion button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  min-height: 60px;
  padding: 16px 18px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.accordion button span {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
}

.accordion button span::before,
.accordion button span::after {
  content: "";
  position: absolute;
  inset: 8px 2px auto;
  height: 2px;
  background: var(--ink);
}

.accordion button span::after {
  transform: rotate(90deg);
  transition: transform 160ms ease;
}

.accordion button[aria-expanded="true"] span::after {
  transform: rotate(0deg);
}

.accordion button + div {
  display: none;
  padding: 0 18px 18px;
  color: var(--muted);
}

.accordion button[aria-expanded="true"] + div {
  display: block;
}

.text-link {
  display: inline-flex;
  margin-top: 22px;
  color: #2c5d44;
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-hero {
  width: min(980px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(72px, 9vw, 118px) 0 42px;
  display: grid;
  gap: 18px;
}

.article-layout {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 24px 0 110px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
}

.toc {
  position: sticky;
  top: 96px;
  align-self: start;
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.58);
}

.toc a {
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 850;
}

.toc a:hover,
.toc a:focus-visible {
  background: rgba(17, 21, 19, 0.08);
  color: var(--ink);
}

.article-content {
  display: grid;
  gap: 44px;
}

.article-content section,
.article-cta,
.legal {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
}

.article-content h2,
.legal h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

.article-cta {
  background: var(--ink);
  color: var(--paper);
}

.article-cta p {
  color: rgba(246, 243, 236, 0.76);
}

.narrow {
  max-width: 940px;
}

.legal h2 {
  margin-top: 8px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 36px;
  padding: 42px clamp(18px, 4vw, 64px);
  background: var(--ink);
  color: var(--paper);
}

.site-footer > div {
  display: grid;
  gap: 14px;
  max-width: 460px;
}

.site-footer p {
  color: rgba(246, 243, 236, 0.66);
}

.site-footer nav {
  display: grid;
  gap: 9px;
  align-content: start;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--lime);
}

@media (max-width: 980px) {
  .hero-inner,
  .split,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-visual {
    max-width: 560px;
  }

  .feature-grid,
  .assurance-grid,
  .proof-list.horizontal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: 64px 12px auto;
    display: none;
    grid-template-columns: 1fr;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    box-shadow: var(--shadow);
  }

  .menu-open .nav {
    display: grid;
  }

  .hero-inner {
    padding-top: 52px;
  }

  .feature-grid,
  .assurance-grid,
  .assurance-grid.large,
  .proof-list.horizontal,
  .mini-hud {
    grid-template-columns: 1fr;
  }

  .section-cta,
  .site-footer {
    display: grid;
  }

  .section-cta {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}