:root {
  color-scheme: dark;
  --canvas: #0e110f;
  --canvas-deep: #090c0a;
  --surface: #141816;
  --surface-raised: #191e1b;
  --surface-soft: #111513;
  --line: #29302c;
  --line-bright: #3b463f;
  --text: #f2f5f2;
  --text-soft: #b4bdb6;
  --muted: #7d8880;
  --lime: #b7f36b;
  --lime-soft: #d6ffa5;
  --lime-dark: #6da62e;
  --cyan: #68c8db;
  --danger: #ff8f88;
  --shell: min(1180px, calc(100vw - 48px));
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --shadow: 0 28px 90px rgb(0 0 0 / 42%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 24%, rgb(183 243 107 / 4%), transparent 25%),
    var(--canvas);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

::selection {
  background: rgb(183 243 107 / 28%);
  color: #fff;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--lime);
  color: #11190a;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  border-color: rgb(255 255 255 / 7%);
  background: rgb(10 13 11 / 78%);
  backdrop-filter: blur(20px) saturate(130%);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--shell);
  min-height: 82px;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  gap: 11px;
  align-items: center;
  color: #f5f8f5;
  font-size: 15px;
  font-weight: 720;
  letter-spacing: -0.01em;
}

.brand img {
  border-radius: 10px;
  filter: drop-shadow(0 5px 18px rgb(183 243 107 / 12%));
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav > a:not(.button) {
  position: relative;
  color: #aeb7b0;
  font-size: 14px;
  font-weight: 520;
  transition: color 0.2s ease;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--lime);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

.site-nav > a:not(.button):hover,
.site-nav > a:not(.button):focus-visible {
  color: #fff;
}

.site-nav > a:not(.button):hover::after,
.site-nav > a:not(.button):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-github {
  padding-left: 27px;
  border-left: 1px solid var(--line);
}

.nav-toggle {
  display: none;
}

.button {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line-bright);
  border-radius: 11px;
  background: rgb(28 34 30 / 70%);
  color: #ecf1ed;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  border-color: #56635b;
  background: #252c28;
  transform: translateY(-2px);
}

.button:focus-visible,
.site-nav a:focus-visible,
.text-link:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.button-small {
  min-height: 42px;
  padding-inline: 17px;
  border-color: #a2d963;
  background: var(--lime);
  color: #17210e;
  font-size: 13px;
}

.button-small:hover,
.button-primary:hover {
  border-color: var(--lime-soft);
  background: var(--lime-soft);
  color: #121b0a;
  box-shadow: 0 10px 35px rgb(183 243 107 / 20%);
}

.button-primary {
  border-color: #a6df62;
  background: var(--lime);
  color: #142009;
}

.button-quiet {
  border-color: rgb(255 255 255 / 12%);
  background: rgb(255 255 255 / 4%);
  backdrop-filter: blur(14px);
}

.hero {
  position: relative;
  min-height: 1050px;
  overflow: clip;
  border-bottom: 1px solid rgb(255 255 255 / 6%);
  background: var(--canvas-deep);
}

.hero::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, #090c0a 0%, rgb(9 12 10 / 88%) 20%, rgb(9 12 10 / 14%) 76%),
    linear-gradient(0deg, #090c0a 0%, transparent 25%, transparent 78%, rgb(9 12 10 / 20%) 100%);
  content: "";
  pointer-events: none;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background-image: url("hero-wave.jpg");
  background-position: 50% 0;
  background-repeat: no-repeat;
  background-size: auto 760px;
  filter: saturate(0.9) contrast(1.03);
  opacity: 0.78;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgb(255 255 255 / 2.3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2.3%) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgb(0 0 0 / 48%), transparent 72%);
  opacity: 0.36;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 174px;
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(675px, 60vw);
}

.eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
  color: #9aa49d;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow span {
  position: relative;
  width: 24px;
  height: 1px;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime);
}

.eyebrow span::after {
  position: absolute;
  top: -2px;
  right: -1px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  content: "";
}

.hero h1 {
  max-width: 720px;
  margin-bottom: 27px;
  color: #f7faf7;
  font-size: clamp(52px, 6.5vw, 88px);
  font-weight: 730;
  letter-spacing: -0.07em;
  line-height: 1.01;
}

.hero h1 em {
  display: block;
  background: linear-gradient(90deg, #d6ffa6 0%, var(--lime) 38%, #8ee4d6 100%);
  background-clip: text;
  color: transparent;
  font-style: normal;
  text-shadow: 0 0 42px rgb(183 243 107 / 10%);
}

.hero-copy > p {
  max-width: 610px;
  margin-bottom: 33px;
  color: #b7c0ba;
  font-size: 18px;
  line-height: 1.85;
}

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

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 26px;
  color: #8e9991;
  font-size: 12px;
}

.hero-notes span {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.hero-notes i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px rgb(183 243 107 / 70%);
}

.hero-orbit {
  position: absolute;
  z-index: 0;
  top: 130px;
  right: -100px;
  width: 520px;
  height: 520px;
  border: 1px solid rgb(104 200 219 / 9%);
  border-radius: 50%;
  animation: orbit-spin 32s linear infinite;
}

.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  border: 1px solid rgb(183 243 107 / 9%);
  border-radius: inherit;
  content: "";
}

.hero-orbit::before {
  inset: 70px;
}

.hero-orbit::after {
  inset: 145px;
}

.orbit-dot {
  position: absolute;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgb(104 200 219 / 65%);
}

.orbit-dot-one {
  top: 63px;
  left: 78px;
  width: 7px;
  height: 7px;
}

.orbit-dot-two {
  right: 116px;
  bottom: 35px;
  width: 5px;
  height: 5px;
  background: var(--lime);
}

@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}

.app-stage {
  position: relative;
  z-index: 3;
  width: min(1050px, 92vw);
  margin: 104px auto 0;
  perspective: 1500px;
}

.app-glow {
  position: absolute;
  z-index: -1;
  inset: -30px 5%;
  border-radius: 48%;
  background: linear-gradient(90deg, rgb(183 243 107 / 16%), rgb(104 200 219 / 14%));
  filter: blur(60px);
  opacity: 0.75;
}

.window-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid #354139;
  border-radius: 18px;
  background: #101412;
  box-shadow:
    0 55px 120px rgb(0 0 0 / 65%),
    0 0 0 6px rgb(255 255 255 / 1.5%),
    inset 0 1px 0 rgb(255 255 255 / 7%);
  transform: rotateX(1.5deg);
  transform-origin: bottom center;
}

.window-frame > img {
  width: 100%;
  height: auto;
  aspect-ratio: 1515 / 690;
  object-fit: cover;
  object-position: top;
  opacity: 0.96;
}

.window-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 52px;
  padding-left: 14px;
  border-bottom: 1px solid #232a26;
  background: #141916;
}

.window-brand {
  display: flex;
  gap: 9px;
  align-items: center;
  min-width: 0;
  font-size: 12px;
  font-weight: 720;
}

.window-brand img {
  border-radius: 7px;
}

.window-brand b {
  color: #6f7a72;
  font-size: 8px;
  letter-spacing: 0.13em;
}

.window-status {
  display: flex;
  gap: 7px;
  align-items: center;
  color: #8d9891;
  font-size: 10px;
}

.window-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

.window-controls {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  height: 100%;
  color: #758079;
}

.window-controls span {
  display: grid;
  width: 46px;
  place-items: center;
  font-size: 12px;
}

.proof-strip {
  position: relative;
  z-index: 4;
  border-bottom: 1px solid rgb(255 255 255 / 6%);
  background: #0c0f0d;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-grid > div {
  display: flex;
  min-height: 138px;
  padding: 31px 38px;
  border-left: 1px solid rgb(255 255 255 / 6%);
  flex-direction: column;
  justify-content: center;
}

.proof-grid > div:last-child {
  border-right: 1px solid rgb(255 255 255 / 6%);
}

.proof-grid strong {
  margin-bottom: 2px;
  color: #ecf1ed;
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 690;
  letter-spacing: -0.045em;
}

.proof-grid span {
  color: #79847c;
  font-size: 12px;
}

.section {
  position: relative;
  padding: 138px 0;
}

.section-heading {
  max-width: 650px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered .eyebrow {
  justify-content: center;
}

.section-heading h2,
.requirements-copy h2,
.scene-copy h2,
.final-content h2 {
  margin-bottom: 22px;
  color: #f3f6f3;
  font-size: clamp(36px, 4.8vw, 58px);
  font-weight: 690;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.section-heading > p,
.scene-copy > p,
.requirements-copy > p {
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.85;
}

.product-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 13%, rgb(104 200 219 / 5%), transparent 25%),
    radial-gradient(circle at 5% 70%, rgb(183 243 107 / 5%), transparent 25%);
}

.product-section::before {
  position: absolute;
  top: 110px;
  left: 50%;
  width: 580px;
  height: 580px;
  border: 1px solid rgb(255 255 255 / 3%);
  border-radius: 50%;
  content: "";
  transform: translateX(-50%);
  pointer-events: none;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  margin-top: 68px;
}

.feature-card {
  position: relative;
  display: flex;
  grid-column: span 4;
  min-height: 315px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgb(255 255 255 / 2.6%), transparent 35%),
    var(--surface);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 2.5%);
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

.feature-card:hover {
  border-color: #435047;
  background-color: var(--surface-raised);
  transform: translateY(-5px);
}

.feature-card-large {
  grid-column: span 8;
  flex-direction: row;
}

.feature-card-wide {
  grid-column: span 12;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(340px, 0.75fr);
  min-height: 245px;
  align-items: center;
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 42px;
  border: 1px solid #3c4b35;
  border-radius: 13px;
  background: #202c1c;
  color: var(--lime);
  flex: 0 0 auto;
  place-items: center;
}

.feature-icon-cyan {
  border-color: #28434a;
  background: #18292d;
  color: var(--cyan);
}

.feature-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.feature-card-large .feature-icon {
  margin: 0 30px 0 0;
}

.feature-card-wide .feature-icon {
  margin: 0 28px 0 0;
}

.feature-card small {
  display: block;
  margin-bottom: 10px;
  color: #718078;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.feature-card h3 {
  margin-bottom: 13px;
  color: #eff3f0;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.feature-card p {
  max-width: 540px;
  margin-bottom: 0;
  color: #929d95;
  font-size: 14px;
  line-height: 1.75;
}

.mini-wave {
  position: absolute;
  right: 42px;
  bottom: 39px;
  display: flex;
  gap: 10px;
  align-items: center;
  height: 78px;
}

.mini-wave::before {
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 260px;
  height: 120px;
  background: radial-gradient(circle, rgb(183 243 107 / 12%), transparent 67%);
  content: "";
  filter: blur(10px);
}

.mini-wave span {
  position: relative;
  width: 4px;
  height: 30%;
  border-radius: 99px;
  background: linear-gradient(to top, #679a33, var(--lime-soft));
  box-shadow: 0 0 11px rgb(183 243 107 / 22%);
  animation: wave-pulse 1.8s ease-in-out infinite alternate;
}

.mini-wave span:nth-child(2),
.mini-wave span:nth-child(8) { height: 58%; animation-delay: -0.4s; }
.mini-wave span:nth-child(3),
.mini-wave span:nth-child(7) { height: 86%; animation-delay: -0.8s; }
.mini-wave span:nth-child(4),
.mini-wave span:nth-child(6) { height: 65%; animation-delay: -1.2s; }
.mini-wave span:nth-child(5) { height: 100%; animation-delay: -0.2s; }

@keyframes wave-pulse {
  from { transform: scaleY(0.65); opacity: 0.65; }
  to { transform: scaleY(1); opacity: 1; }
}

.control-demo {
  display: flex;
  gap: 24px;
  padding: 25px 26px;
  border: 1px solid #29332c;
  border-radius: 15px;
  background: #111512;
  flex-direction: column;
}

.control-demo > div {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  gap: 14px;
  align-items: center;
  color: #8c9990;
  font-size: 11px;
}

.control-demo i {
  position: relative;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--lime) 0 var(--value), #343b37 var(--value) 100%);
}

.control-demo i::after {
  position: absolute;
  top: 50%;
  left: var(--value);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 14px rgb(183 243 107 / 24%);
  content: "";
  transform: translate(-50%, -50%);
}

.control-demo b {
  color: #dce4de;
  font-size: 11px;
  font-weight: 650;
  text-align: right;
}

.workspace-section {
  overflow: hidden;
  border-top: 1px solid rgb(255 255 255 / 5%);
  border-bottom: 1px solid rgb(255 255 255 / 5%);
  background: #0a0d0b;
}

.workspace-section::before {
  position: absolute;
  top: 25%;
  right: 0;
  left: 0;
  height: 540px;
  background: radial-gradient(ellipse at center, rgb(183 243 107 / 9%), transparent 67%);
  content: "";
  filter: blur(25px);
}

.workspace-intro {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 80px;
  align-items: end;
}

.workspace-intro > p {
  margin-bottom: 4px;
  color: #8d9890;
  font-size: 15px;
  line-height: 1.8;
}

.workspace-frame {
  position: relative;
  margin-top: 61px;
  overflow: hidden;
  border: 1px solid #313b35;
  border-radius: 20px;
  background: #0d110f;
  box-shadow: var(--shadow), 0 0 0 6px rgb(255 255 255 / 1.3%);
}

.workspace-toolbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid #252d28;
  background: #161a18;
}

.workspace-toolbar > div {
  display: flex;
  gap: 7px;
}

.workspace-toolbar > div span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3d4640;
}

.workspace-toolbar > div span:first-child { background: #61714f; }
.workspace-toolbar p {
  margin: 0;
  color: #77827a;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.workspace-toolbar b {
  justify-self: end;
  padding: 3px 7px;
  border: 1px solid #3a4e2e;
  border-radius: 99px;
  background: #1f2d1a;
  color: #aeea68;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.workspace-frame > img {
  width: 100%;
  height: auto;
}

.workspace-points {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 60px;
  background: var(--line);
}

.workspace-points article {
  padding: 0 42px 5px 0;
  background: #0a0d0b;
}

.workspace-points article:not(:first-child) {
  padding-left: 42px;
}

.workspace-points span {
  display: block;
  margin-bottom: 18px;
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.workspace-points h3 {
  margin-bottom: 9px;
  font-size: 18px;
  font-weight: 640;
}

.workspace-points p {
  margin: 0;
  color: #808b83;
  font-size: 13px;
  line-height: 1.75;
}

.scenes-section {
  background:
    radial-gradient(circle at 85% 50%, rgb(183 243 107 / 5%), transparent 32%),
    var(--canvas);
}

.scene-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(380px, 0.85fr);
  gap: 86px;
  align-items: center;
}

.scene-visual {
  position: relative;
}

.scene-visual::before {
  position: absolute;
  z-index: -1;
  inset: -18px;
  border: 1px solid rgb(255 255 255 / 5%);
  border-radius: 28px;
  content: "";
}

.scene-visual img {
  width: 100%;
  min-height: 540px;
  border-radius: 20px;
  box-shadow: 0 35px 100px rgb(0 0 0 / 45%);
  object-fit: cover;
  object-position: center;
}

.scene-visual::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 20px;
  background: linear-gradient(180deg, transparent 55%, rgb(7 10 8 / 55%));
  content: "";
  pointer-events: none;
}

.scene-signal {
  position: absolute;
  z-index: 2;
  right: 28px;
  bottom: 27px;
  left: 28px;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: 12px;
  background: rgb(12 16 13 / 76%);
  box-shadow: 0 12px 35px rgb(0 0 0 / 35%);
  backdrop-filter: blur(16px);
}

.scene-signal span,
.scene-signal strong {
  color: #99a39c;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.scene-signal strong {
  color: var(--lime);
}

.scene-signal i {
  height: 1px;
  background: linear-gradient(90deg, #39433d, var(--lime), #39433d);
}

.scene-copy .eyebrow {
  margin-bottom: 23px;
}

.scene-copy > p {
  margin-bottom: 34px;
}

.scene-list {
  border-top: 1px solid var(--line);
}

.scene-list > div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}

.scene-list b {
  color: #e5eae6;
  font-size: 14px;
  font-weight: 620;
}

.scene-list span {
  color: #7e8981;
  font-size: 13px;
}

.route-section {
  overflow: hidden;
  border-top: 1px solid rgb(255 255 255 / 5%);
  background: #0b0e0c;
}

.route-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 70px;
  margin: 74px 0 0;
  padding: 0;
  list-style: none;
}

.route-flow::before {
  position: absolute;
  top: 77px;
  right: 15%;
  left: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #3a463e 15%, #4f6344 50%, #3a463e 85%, transparent);
  content: "";
}

.route-flow li {
  position: relative;
  text-align: center;
}

.route-flow li > span {
  position: absolute;
  z-index: 2;
  top: 0;
  right: calc(50% - 64px);
  display: grid;
  width: 24px;
  height: 24px;
  border: 1px solid #3d493f;
  border-radius: 50%;
  background: #141a16;
  color: #87928a;
  font-size: 9px;
  font-weight: 800;
  place-items: center;
}

.route-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 118px;
  height: 118px;
  margin: 18px auto 28px;
  border: 1px solid #374139;
  border-radius: 32px;
  background:
    radial-gradient(circle at 35% 25%, rgb(255 255 255 / 5%), transparent 35%),
    #151a17;
  color: var(--lime);
  box-shadow: 0 18px 45px rgb(0 0 0 / 26%);
  place-items: center;
}

.route-icon::after {
  position: absolute;
  inset: 9px;
  border: 1px solid rgb(255 255 255 / 3%);
  border-radius: 23px;
  content: "";
}

.route-icon svg {
  width: 41px;
  height: 41px;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.route-icon-mark img {
  width: 65px;
  height: 65px;
  border-radius: 17px;
}

.route-flow h3 {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 640;
}

.route-flow p {
  max-width: 260px;
  margin: 0 auto;
  color: #808b83;
  font-size: 13px;
  line-height: 1.75;
}

.requirements-section {
  padding-top: 0;
  background: #0b0e0c;
}

.requirements-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(480px, 1.15fr);
  gap: 92px;
  align-items: center;
  padding: 64px 68px;
  border: 1px solid #303b33;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 0 0, rgb(183 243 107 / 8%), transparent 34%),
    linear-gradient(135deg, rgb(255 255 255 / 2%), transparent 30%),
    #141916;
  box-shadow: 0 30px 100px rgb(0 0 0 / 25%);
}

.requirements-copy h2 {
  font-size: clamp(34px, 4.2vw, 50px);
}

.requirements-copy > p {
  font-size: 15px;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 700;
}

.text-link span {
  transition: transform 0.2s ease;
}

.text-link:hover span {
  transform: translate(3px, -3px);
}

.requirements-list {
  margin: 0;
  border-top: 1px solid #303934;
}

.requirements-list > div {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 25px;
  padding: 19px 0;
  border-bottom: 1px solid #303934;
}

.requirements-list dt {
  color: #7d8a81;
  font-size: 12px;
}

.requirements-list dd {
  margin: 0;
  color: #e2e8e3;
  font-size: 13px;
  font-weight: 560;
}

.faq-section {
  border-top: 1px solid rgb(255 255 255 / 5%);
  background: var(--canvas);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 100px;
  align-items: start;
}

.faq-layout .section-heading {
  position: sticky;
  top: 130px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  cursor: pointer;
  color: #e4e9e5;
  font-size: 16px;
  font-weight: 590;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  position: relative;
  width: 18px;
  height: 18px;
  margin-left: 24px;
  flex: 0 0 auto;
}

.faq-list summary span::before,
.faq-list summary span::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1px;
  background: var(--lime);
  content: "";
  transition: transform 0.2s ease;
}

.faq-list summary span::before {
  transform: translate(-50%, -50%);
}

.faq-list summary span::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-list details[open] summary span::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-list details p {
  max-width: 650px;
  margin: -5px 45px 29px 0;
  color: #8c9790;
  font-size: 14px;
  line-height: 1.8;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 103px 0;
  border-top: 1px solid rgb(255 255 255 / 7%);
  border-bottom: 1px solid rgb(255 255 255 / 7%);
  background: #090c0a;
}

.final-cta::before {
  position: absolute;
  top: -50%;
  left: 42%;
  width: 800px;
  height: 500px;
  border-radius: 50%;
  background: rgb(183 243 107 / 9%);
  content: "";
  filter: blur(90px);
}

.final-wave {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #090c0a 0%, transparent 30%, transparent 70%, #090c0a 100%),
    url("hero-wave.jpg") center 53% / cover no-repeat;
  opacity: 0.16;
  filter: grayscale(0.3);
}

.final-content {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
}

.final-content > img {
  border-radius: 23px;
  box-shadow: 0 15px 45px rgb(0 0 0 / 40%);
}

.final-content .eyebrow {
  margin-bottom: 12px;
}

.final-content h2 {
  max-width: 650px;
  margin-bottom: 0;
  font-size: clamp(33px, 4.5vw, 54px);
}

.site-footer {
  padding: 68px 0 28px;
  background: #080a09;
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 52px;
}

.footer-main > div p {
  max-width: 380px;
  margin: 16px 0 0;
  color: #6f7972;
  font-size: 12px;
}

.footer-main nav {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: flex-end;
}

.footer-main nav a {
  color: #929c95;
  font-size: 12px;
  transition: color 0.2s ease;
}

.footer-main nav a:hover {
  color: var(--lime);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 25px;
  border-top: 1px solid rgb(255 255 255 / 6%);
}

.footer-bottom p {
  margin: 0;
  color: #566159;
  font-size: 10px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1050px) {
  .site-nav {
    gap: 18px;
  }

  .site-nav > a:not(.button) {
    font-size: 12px;
  }

  .site-nav .nav-github {
    padding-left: 18px;
  }

  .hero {
    min-height: 970px;
  }

  .hero-backdrop {
    background-position: 35% 0;
  }

  .app-stage {
    margin-top: 80px;
  }

  .feature-card {
    grid-column: span 6;
  }

  .feature-card-large,
  .feature-card-wide {
    grid-column: span 12;
  }

  .feature-card-wide {
    grid-template-columns: auto minmax(0, 1fr) minmax(290px, 0.8fr);
  }

  .scene-layout {
    gap: 50px;
  }

  .requirements-card {
    gap: 55px;
    padding: 52px;
  }

  .faq-layout {
    gap: 60px;
  }
}

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 36px, 680px);
  }

  .nav-shell {
    min-height: 70px;
  }

  .nav-toggle {
    position: relative;
    z-index: 2;
    display: flex;
    width: 43px;
    height: 43px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #151a17;
    flex-direction: column;
    justify-content: center;
  }

  .nav-toggle span {
    width: 17px;
    height: 1px;
    margin: 3px auto;
    background: #dbe2dd;
    transition: transform 0.25s ease;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    gap: 0;
    align-items: stretch;
    padding: 112px 28px 32px;
    background: rgb(9 12 10 / 97%);
    backdrop-filter: blur(22px);
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav > a:not(.button) {
    padding: 19px 0;
    border-bottom: 1px solid var(--line);
    color: #d9dfda;
    font-size: 18px;
  }

  .site-nav > a:not(.button)::after {
    display: none;
  }

  .site-nav .nav-github {
    margin-bottom: 22px;
    padding-left: 0;
    border-left: 0;
  }

  .site-nav .button {
    width: 100%;
  }

  .hero {
    min-height: 890px;
  }

  .hero::before {
    background:
      linear-gradient(90deg, #090c0a 0%, rgb(9 12 10 / 68%) 55%, rgb(9 12 10 / 15%)),
      linear-gradient(0deg, #090c0a 0%, transparent 40%);
  }

  .hero-backdrop {
    background-position: 45% 0;
    background-size: auto 650px;
    opacity: 0.58;
  }

  .hero-content {
    padding-top: 136px;
  }

  .hero-copy {
    width: 100%;
  }

  .hero h1 {
    max-width: 620px;
    font-size: clamp(46px, 12vw, 70px);
  }

  .hero-copy > p {
    max-width: 540px;
    font-size: 16px;
  }

  .hero-orbit {
    display: none;
  }

  .app-stage {
    width: 100%;
    margin-top: 70px;
  }

  .window-brand b,
  .window-status,
  .window-controls span:nth-child(-n+2) {
    display: none;
  }

  .window-bar {
    grid-template-columns: 1fr auto;
  }

  .window-controls {
    grid-column: 2;
  }

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-grid > div {
    min-height: 118px;
    padding: 26px;
    border-bottom: 1px solid rgb(255 255 255 / 6%);
  }

  .section {
    padding: 105px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card-large,
  .feature-card-wide {
    grid-column: auto;
  }

  .feature-card-large {
    min-height: 325px;
  }

  .feature-card-wide {
    grid-template-columns: auto 1fr;
  }

  .feature-card-wide .control-demo {
    grid-column: 1 / -1;
    margin-top: 20px;
  }

  .workspace-intro {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .workspace-intro > p {
    max-width: 520px;
  }

  .workspace-points {
    grid-template-columns: 1fr;
    gap: 0;
    background: transparent;
  }

  .workspace-points article,
  .workspace-points article:not(:first-child) {
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
  }

  .scene-layout {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .scene-copy {
    order: -1;
    max-width: 620px;
  }

  .route-flow {
    gap: 28px;
  }

  .requirements-card {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .faq-layout .section-heading {
    position: static;
  }

  .final-content {
    grid-template-columns: auto 1fr;
  }

  .final-content .button {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: 12px;
  }
}

@media (max-width: 560px) {
  :root {
    --shell: calc(100vw - 28px);
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .hero {
    min-height: 815px;
  }

  .hero-content {
    padding-top: 118px;
  }

  .eyebrow {
    font-size: 10px;
  }

  .hero h1 {
    font-size: clamp(43px, 15vw, 60px);
    letter-spacing: -0.065em;
  }

  .hero-copy > p {
    font-size: 15px;
    line-height: 1.75;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-notes {
    gap: 10px 18px;
  }

  .app-stage {
    margin-top: 56px;
  }

  .window-frame {
    border-radius: 12px;
  }

  .window-frame > img {
    aspect-ratio: 1.6;
  }

  .window-bar {
    height: 42px;
  }

  .window-brand img {
    width: 22px;
    height: 22px;
  }

  .window-brand span {
    font-size: 10px;
  }

  .proof-grid > div {
    min-height: 105px;
    padding: 21px 18px;
  }

  .proof-grid strong {
    font-size: 23px;
  }

  .proof-grid span {
    font-size: 10px;
  }

  .section {
    padding: 88px 0;
  }

  .section-heading h2,
  .requirements-copy h2,
  .scene-copy h2,
  .final-content h2 {
    font-size: 36px;
  }

  .section-heading > p,
  .scene-copy > p {
    font-size: 15px;
  }

  .feature-grid {
    margin-top: 48px;
  }

  .feature-card,
  .feature-card-large {
    min-height: 300px;
    padding: 27px;
    flex-direction: column;
  }

  .feature-card-large .feature-icon,
  .feature-card-wide .feature-icon {
    margin: 0 0 30px;
  }

  .feature-card-wide {
    display: flex;
    align-items: stretch;
  }

  .mini-wave {
    right: 27px;
    bottom: 27px;
    height: 52px;
    opacity: 0.72;
  }

  .control-demo {
    padding: 20px 18px;
  }

  .workspace-frame {
    margin-top: 43px;
    border-radius: 12px;
  }

  .workspace-toolbar {
    grid-template-columns: auto 1fr;
    height: 40px;
    padding-inline: 12px;
  }

  .workspace-toolbar p {
    display: none;
  }

  .workspace-toolbar b {
    grid-column: 2;
  }

  .scene-visual img {
    min-height: 440px;
    object-position: 56% center;
  }

  .scene-signal {
    right: 15px;
    bottom: 15px;
    left: 15px;
  }

  .scene-list > div {
    grid-template-columns: 84px 1fr;
    gap: 16px;
  }

  .route-flow {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .route-flow::before {
    top: 8%;
    right: auto;
    bottom: 8%;
    left: 50%;
    width: 1px;
    height: auto;
    background: linear-gradient(transparent, #425043 16%, #425043 84%, transparent);
  }

  .route-flow li {
    padding: 1px 24px 27px;
    background: #0b0e0c;
  }

  .requirements-card {
    gap: 40px;
    padding: 35px 27px;
    border-radius: 20px;
  }

  .requirements-list > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .faq-list summary {
    min-height: 82px;
    font-size: 14px;
  }

  .final-cta {
    padding: 80px 0;
  }

  .final-content {
    grid-template-columns: 1fr;
  }

  .final-content > img {
    width: 70px;
    height: 70px;
  }

  .final-content .button {
    grid-column: auto;
    justify-self: stretch;
  }

  .footer-main,
  .footer-bottom {
    gap: 30px;
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-main nav {
    gap: 18px 25px;
    justify-content: flex-start;
  }
}

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
