@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --ink: #13282f;
  --muted: #61747b;
  --canvas: #f7faf9;
  --panel: #ffffff;
  --soft: #eef5f3;
  --line: #d6e3df;
  --aqua: #087f78;
  --aqua-dark: #075f5c;
  --aqua-light: #dff4f0;
  --orange: #b65e28;
  --orange-light: #f7e6d9;
  --night: #10262c;
  --display: "Space Grotesk", "Segoe UI", sans-serif;
  --body: "DM Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font: 400 16px/1.6 var(--body);
}
img,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  color: inherit;
  font: inherit;
}
h1,
h2,
h3,
p {
  text-wrap: pretty;
}
code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.skip-link {
  position: fixed;
  top: -4rem;
  left: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: #fff;
  background: var(--aqua);
}
.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 5rem);
  background: rgba(255, 255, 255, 0.91);
  border-bottom: 1px solid rgba(196, 215, 210, 0.9);
  box-shadow: 0 8px 30px rgba(24, 59, 61, 0.06);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font: 700 0.8rem var(--display);
  letter-spacing: 0.14em;
}
.brand img {
  flex: 0 0 auto;
}
.brand-slash {
  color: var(--aqua);
}
nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2rem);
  color: #4e656c;
  font: 600 0.78rem var(--display);
}
nav a {
  transition: color 0.2s ease;
}
nav a:hover,
nav a:focus-visible {
  color: var(--aqua-dark);
}
.nav-cta {
  padding: 0.58rem 0.95rem;
  color: #fff;
  background: var(--aqua);
  border: 1px solid var(--aqua);
}
nav .nav-cta:hover,
nav .nav-cta:focus-visible {
  color: #fff;
  background: var(--aqua-dark);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(360px, 0.78fr) minmax(540px, 1.22fr);
  gap: clamp(3rem, 6vw, 7rem);
  align-items: center;
  overflow: hidden;
  padding: clamp(5rem, 8vw, 8rem) clamp(1.25rem, 5vw, 6rem);
  background:
    radial-gradient(
      circle at 82% 35%,
      rgba(24, 152, 142, 0.13),
      transparent 30%
    ),
    linear-gradient(135deg, #ffffff 0%, #eef7f4 100%);
}
.hero-grid,
.cta-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(8, 127, 120, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 127, 120, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, #000, transparent 74%);
}
.hero-copy {
  position: relative;
  z-index: 2;
}
.eyebrow {
  margin: 0 0 1.3rem;
  color: var(--aqua);
  font: 700 0.72rem var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow > span {
  display: inline-block;
  width: 34px;
  height: 1px;
  margin: 0 0.75rem 0.2rem 0;
  background: currentColor;
}
h1 {
  margin: 0;
  font: 700 clamp(3.6rem, 6vw, 7.2rem) / 0.92 var(--display);
  letter-spacing: -0.06em;
}
h1 em {
  color: transparent;
  font-style: normal;
  -webkit-text-stroke: 1.5px #698187;
}
.lede {
  max-width: 660px;
  margin: 2rem 0 0;
  color: #4f666d;
  font-size: clamp(1.08rem, 1.45vw, 1.28rem);
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.2rem;
}
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0.78rem 1.2rem;
  border: 1px solid #b6cac5;
  font: 600 0.8rem var(--display);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: var(--aqua);
}
.button.primary {
  color: #fff;
  background: var(--aqua);
  border-color: var(--aqua);
  box-shadow: 0 10px 24px rgba(8, 127, 120, 0.18);
}
.button.primary:hover,
.button.primary:focus-visible {
  background: var(--aqua-dark);
}
.button.secondary {
  color: #244047;
  background: rgba(255, 255, 255, 0.88);
}
.install-command {
  width: min(100%, 500px);
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.45rem 0.5rem 0.45rem 1rem;
  color: #d7e7e5;
  background: var(--night);
  border: 1px solid #29464d;
  box-shadow: 0 10px 26px rgba(16, 38, 44, 0.12);
}
.install-command code {
  overflow: hidden;
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.install-command button {
  min-width: 60px;
  padding: 0.42rem 0.65rem;
  cursor: pointer;
  color: #a9c7c5;
  background: #18373d;
  border: 1px solid #35565c;
  font: 600 0.65rem var(--display);
  letter-spacing: 0.04em;
}
.install-command button:hover,
.install-command button:focus-visible {
  color: #fff;
  border-color: #65d2c6;
}
.install-command button.copied {
  color: #65d2c6;
}
.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.2rem;
  margin: 1.3rem 0 0;
  padding: 0;
  color: #60777d;
  list-style: none;
  font-size: 0.78rem;
}
.hero-checks li::before {
  content: "✓";
  margin-right: 0.45rem;
  color: var(--aqua);
}

.hero-product {
  position: relative;
  width: min(980px, 100%);
  margin: 0;
  padding-top: 34px;
  overflow: hidden;
  background: #0b151f;
  border: 1px solid #29414f;
  box-shadow: 0 36px 90px rgba(34, 70, 70, 0.2);
}
.window-bar {
  position: absolute;
  inset: 0 0 auto;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  color: #8398a3;
  background: #0e1923;
  font-size: 0.66rem;
}
.window-bar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3c5968;
}
.window-bar b {
  margin-left: 0.4rem;
  font-weight: 500;
}
.window-bar i {
  margin-left: auto;
  color: #65d2c6;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.chunk-dashboard {
  padding: clamp(1rem, 2.2vw, 1.6rem);
  color: #e5eef2;
  background: #0b151f;
}
.chunk-heading,
.region-heading,
.query-readout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.chunk-heading {
  margin-bottom: 1rem;
}
.chunk-heading div,
.region-heading div {
  display: grid;
  gap: 0.2rem;
}
.chunk-heading span,
.region-heading span,
.query-readout > span {
  color: #54d2cf;
  font: 700 0.58rem var(--display);
  letter-spacing: 0.12em;
}
.chunk-heading strong {
  font: 600 clamp(0.88rem, 1.25vw, 1.05rem) var(--display);
}
.chunk-heading code,
.region-heading code {
  padding: 0.35rem 0.5rem;
  color: #9fb5c2;
  background: #132333;
  border: 1px solid #243c4a;
  font-size: 0.62rem;
}
.chunk-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-bottom: 0.7rem;
}
.chunk-metrics p {
  min-width: 0;
  display: grid;
  gap: 0.2rem;
  margin: 0;
  padding: 0.9rem 1rem;
  background: #111f2d;
  border: 1px solid #203443;
  border-radius: 10px;
}
.chunk-metrics span {
  color: #8da3b1;
  font: 600 0.56rem var(--display);
  letter-spacing: 0.1em;
}
.chunk-metrics strong {
  color: #e7f1f5;
  font: 500 clamp(1rem, 1.8vw, 1.35rem) var(--display);
}
.chunk-metrics p:nth-child(2) strong {
  color: #ffb36d;
}
.chunk-metrics p:nth-child(3) strong {
  color: #54d2cf;
}
.chunk-metrics small {
  color: #8ea3af;
  font-size: 0.64rem;
}
.region-panel {
  padding: 1rem;
  background: #111f2d;
  border: 1px solid #203443;
  border-radius: 10px;
}
.region-heading {
  margin-bottom: 0.8rem;
}
.region-heading strong {
  color: #dce8ed;
  font: 500 0.78rem var(--display);
}
.region-map {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(3px, 0.5vw, 5px);
  padding: clamp(0.65rem, 1.4vw, 1rem);
  background: #0b151f;
  border: 1px solid #1b303e;
}
.region-map i {
  aspect-ratio: 1;
  display: block;
  background: #284454;
  border-radius: 2px;
  opacity: 0.72;
}
.region-map i:nth-child(3n),
.region-map i:nth-child(7n + 2) {
  background: #54d2cf;
  opacity: 0.95;
}
.region-map i:nth-child(5n + 1) {
  background: #ffb36d;
  opacity: 0.9;
}
.region-map i:nth-child(11n + 4) {
  background: #a78bfa;
  opacity: 0.88;
}
.region-map i:nth-child(19),
.region-map i:nth-child(42),
.region-map i:nth-child(67) {
  background: #1d8beb;
  box-shadow: 0 0 0 2px rgba(136, 201, 255, 0.55);
  opacity: 1;
}
.region-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.2rem;
  margin-top: 0.75rem;
  color: #8fa4b0;
  font-size: 0.61rem;
}
.region-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.region-legend i {
  width: 8px;
  height: 8px;
  display: block;
  background: #54d2cf;
}
.region-legend span:nth-child(2) i {
  background: #ffb36d;
}
.region-legend span:nth-child(3) i {
  background: #1d8beb;
}
.query-readout {
  margin-top: 0.7rem;
  padding: 0.8rem 1rem;
  background: #112631;
  border: 1px solid #21444c;
  border-radius: 10px;
}
.query-readout code {
  color: #c8d8de;
  font-size: clamp(0.62rem, 1vw, 0.76rem);
}
.query-readout strong {
  min-width: 48px;
  color: #54d2cf;
  font: 600 1.05rem var(--display);
  text-align: right;
}
.hero-product figcaption {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: center;
  min-height: 58px;
  padding: 0.9rem 1rem;
  color: #9bb0ba;
  background: #0d1822;
  font-size: 0.72rem;
}
.hero-product figcaption code {
  color: #dcebea;
}
.hero-product figcaption strong {
  color: #edf6f5;
  font: 600 0.76rem var(--display);
}
.hero-product figcaption span {
  justify-self: end;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
  background: #fff;
}
.proof-strip p {
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0;
  padding: 1rem clamp(1.25rem, 4vw, 4rem);
  border-right: 1px solid var(--line);
}
.proof-strip p:last-child {
  border-right: 0;
}
.proof-strip strong {
  color: #15343a;
  font: 600 1.05rem var(--display);
}
.proof-strip span {
  max-width: 260px;
  color: #6d8085;
  font-size: 0.74rem;
  line-height: 1.45;
}

.section-shell {
  padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 8.5rem);
}
.section-intro {
  display: grid;
  grid-template-columns: 1.45fr 0.65fr;
  gap: clamp(3rem, 8vw, 10rem);
  align-items: end;
  margin-bottom: 4rem;
}
.section-intro h2,
.example h2,
.choice-band h2,
.boundaries h2,
.final-cta h2 {
  margin: 0;
  font: 700 clamp(2.5rem, 5vw, 5.6rem) / 0.98 var(--display);
  letter-spacing: -0.05em;
}
.section-intro > p {
  margin: 0 0 0.45rem;
  color: var(--muted);
}

.layout {
  background: #fff;
}
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.spec-card {
  min-width: 0;
  min-height: 245px;
  padding: clamp(1.6rem, 3vw, 2.5rem);
  background: var(--panel);
}
.spec-card:nth-child(2),
.spec-card:nth-child(3) {
  background: var(--soft);
}
.spec-card h3 {
  margin: 0 0 1rem;
  font: 600 clamp(1.15rem, 2vw, 1.55rem) / 1.35 var(--display);
}
.spec-card h3 code {
  color: #204a50;
  font-size: 0.86em;
}
.spec-card > p:last-child {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
}
.spec-card > p:last-child code,
.flow-card code {
  color: #34565c;
  font-size: 0.84em;
}

.model {
  background: #f2f7f5;
}
.model-flow {
  max-width: 1540px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  padding: 0;
  margin: 0 auto;
  list-style: none;
}
.flow-card {
  position: relative;
  min-width: 0;
  padding: 1.7rem;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(34, 70, 70, 0.05);
}
.flow-number {
  position: absolute;
  top: 1.3rem;
  right: 1.35rem;
  color: #9aadaa;
  font: 600 0.67rem var(--display);
  letter-spacing: 0.15em;
}
.flow-card h3,
.feature-card h3 {
  margin: 0 0 0.7rem;
  font: 600 1.26rem var(--display);
}
.flow-card p:last-child,
.feature-card p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.flow-arrow {
  display: grid;
  place-items: center;
  width: clamp(34px, 3vw, 54px);
  color: var(--aqua);
  font: 500 1.2rem var(--display);
}
.flow-card .card-kicker {
  margin-bottom: 0.35rem;
}
.flow-glyph {
  position: relative;
  width: 82px;
  height: 82px;
  margin-bottom: 1.6rem;
}
.dense-glyph {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 8px;
  transform: rotate(45deg) scale(0.8);
}
.dense-glyph i {
  display: block;
  background: var(--aqua-light);
  border: 1px solid #84ccc4;
}
.dense-glyph i:nth-child(2),
.dense-glyph i:nth-child(6),
.dense-glyph i:nth-child(8) {
  background: var(--aqua);
}
.tree-glyph i {
  position: absolute;
  display: block;
  width: 18px;
  height: 18px;
  background: var(--aqua-light);
  border: 1px solid #75c2ba;
  transform: rotate(45deg);
}
.tree-glyph i:first-child {
  top: 4px;
  left: 32px;
  width: 24px;
  height: 24px;
  background: var(--aqua);
  border-color: var(--aqua);
}
.tree-glyph i:nth-child(2) {
  top: 47px;
  left: 4px;
}
.tree-glyph i:nth-child(3) {
  top: 47px;
  left: 28px;
  background: var(--orange-light);
  border-color: #d79870;
}
.tree-glyph i:nth-child(4) {
  top: 47px;
  left: 52px;
}
.tree-glyph i:nth-child(5) {
  top: 47px;
  left: 76px;
}
.tree-glyph::before {
  content: "";
  position: absolute;
  inset: 26px 12px 25px 12px;
  border-bottom: 1px solid #8abdb7;
  border-inline: 1px solid #8abdb7;
}
.channel-glyph i {
  position: absolute;
  inset: 10px 8px auto;
  height: 48px;
  background: rgba(223, 244, 240, 0.88);
  border: 1px solid #7fc6be;
  transform: skewY(-10deg);
}
.channel-glyph i:nth-child(2) {
  inset: 17px 14px auto 2px;
}
.channel-glyph i:nth-child(3) {
  inset: 24px 20px auto -4px;
}
.channel-glyph i:nth-child(4) {
  inset: 31px 26px auto -10px;
  background: rgba(8, 127, 120, 0.18);
}
.world-glyph {
  display: grid;
  grid-template-columns: repeat(3, 23px);
  grid-auto-rows: 23px;
  gap: 4px;
  padding: 4px;
  transform: skewY(-7deg);
}
.world-glyph i {
  background: var(--aqua-light);
  border: 1px solid #8bcac3;
}
.world-glyph i:nth-child(2),
.world-glyph i:nth-child(4) {
  background: var(--aqua);
  border-color: var(--aqua);
}
.world-glyph i:nth-child(6) {
  background: var(--orange-light);
  border-color: #d79870;
}
.card-kicker {
  margin: 0 0 0.55rem;
  color: var(--aqua) !important;
  font: 700 0.64rem var(--display) !important;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.capabilities {
  background: #fff;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature-card {
  position: relative;
  min-height: 285px;
  padding: 2rem;
  background: var(--panel);
}
.feature-card.featured {
  background: var(--aqua-light);
}
.feature-icon {
  min-height: 78px;
  display: block;
  color: var(--aqua);
  font: 500 2.2rem var(--display);
}
.feature-card code {
  color: #34565c;
  font-size: 0.82em;
}

.example {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(4rem, 8vw, 9rem);
  align-items: center;
  color: #eaf5f3;
  background:
    radial-gradient(
      circle at 78% 38%,
      rgba(34, 181, 167, 0.16),
      transparent 27%
    ),
    var(--night);
}
.example .eyebrow {
  color: #65d2c6;
}
.example-copy > p:not(.eyebrow) {
  max-width: 720px;
  margin: 1.8rem 0 0;
  color: #afc4c5;
}
.example-copy ul {
  display: grid;
  gap: 1rem;
  margin: 2.2rem 0 0;
  padding: 0;
  list-style: none;
}
.example-copy li {
  position: relative;
  padding-left: 1.7rem;
  color: #a9bec0;
  font-size: 0.9rem;
}
.example-copy li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #65d2c6;
  font-weight: 700;
}
.example-copy strong {
  color: #f1f8f7;
}
.code-window {
  position: relative;
  padding-top: 34px;
  overflow: hidden;
  background: #09161c;
  border: 1px solid #46626a;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.25);
}
.code-window pre {
  max-width: 100%;
  min-height: 475px;
  margin: 0;
  padding: 2rem;
  overflow: auto;
  color: #c8d9d8;
  font-size: clamp(0.7rem, 0.9vw, 0.84rem);
  line-height: 1.75;
  tab-size: 4;
}
.code-window .kw {
  color: #65d2c6;
}
.code-window .type {
  color: #9ed7ff;
}
.code-window .str {
  color: #efb17e;
}
.code-window .num {
  color: #dac5ff;
}

.choice-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(4rem, 8vw, 9rem);
  padding: clamp(5rem, 8vw, 8rem) clamp(1.25rem, 7vw, 8.5rem);
  color: #fff;
  background: #0d7773;
}
.choice-band .eyebrow {
  color: #b9ece6;
}
.choice-band h2 {
  max-width: 760px;
  font-size: clamp(2.6rem, 4.5vw, 5rem);
}
.choice-list {
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}
.choice-list div {
  display: grid;
  grid-template-columns: 0.48fr 1fr;
  gap: 2rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}
.choice-list strong {
  font-family: var(--display);
}
.choice-list span {
  color: #d7f0ed;
}

.boundaries {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(4rem, 9vw, 11rem);
  background: #fff8ef;
  border-bottom: 1px solid #efdfcd;
}
.boundaries h2 {
  font-size: clamp(2.5rem, 4.5vw, 5rem);
}
.boundaries-copy {
  padding-top: 3rem;
}
.boundaries-copy p {
  margin: 0 0 1.3rem;
  color: #6d655d;
}
.boundaries-copy code {
  color: #694329;
  font-size: 0.88em;
}
.boundaries-copy a {
  color: var(--aqua-dark);
  font: 600 0.8rem var(--display);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.final-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(6rem, 11vw, 11rem) 1.25rem;
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(8, 127, 120, 0.13), transparent 40%),
    #edf7f4;
}
.final-cta .cta-grid {
  opacity: 0.65;
  mask-image: radial-gradient(circle, #000, transparent 68%);
}
.final-cta h2 span {
  color: var(--aqua);
}
.final-cta > p:not(.eyebrow) {
  margin: 1.5rem auto 0;
  color: var(--muted);
}
.centered {
  justify-content: center;
}

footer {
  min-height: 90px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem clamp(1.25rem, 5vw, 6rem);
  color: #687d82;
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
}
footer p {
  margin: 0;
}
footer div {
  display: flex;
  gap: 1.5rem;
}
footer a:hover {
  color: var(--aqua);
}

.reveal {
  opacity: 1;
  transform: none;
}
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}
.js .reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1220px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-copy {
    max-width: 850px;
  }
  .hero-product {
    justify-self: end;
    width: min(980px, 96%);
  }
  .model-flow {
    grid-template-columns: 1fr 42px 1fr;
    gap: 0 0;
  }
  .model-flow .flow-arrow:nth-child(4) {
    display: none;
  }
  .model-flow .flow-card:nth-child(5) {
    margin-top: 1rem;
  }
  .model-flow .flow-card:nth-child(5)::before {
    content: "↓";
    position: absolute;
    top: -2.6rem;
    left: 50%;
    color: var(--aqua);
    font: 500 1.2rem var(--display);
  }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    min-height: 68px;
    padding-block: 0.7rem;
  }
  nav {
    gap: 0.9rem;
  }
  nav a:nth-child(-n + 3) {
    display: none;
  }
  .hero {
    padding-top: 5.5rem;
  }
  h1 {
    font-size: clamp(3.2rem, 14vw, 5.8rem);
  }
  .proof-strip {
    grid-template-columns: 1fr 1fr;
  }
  .proof-strip p:nth-child(2) {
    border-right: 0;
  }
  .proof-strip p:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .section-intro {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .example,
  .choice-band,
  .boundaries {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .boundaries-copy {
    padding-top: 0;
  }
}

@media (max-width: 680px) {
  .site-header .brand {
    font-size: 0.66rem;
  }
  nav > a:not(.nav-cta) {
    display: none;
  }
  .nav-cta {
    padding: 0.5rem 0.7rem;
  }
  .chunk-dashboard {
    padding: 0.8rem;
  }
  .chunk-heading {
    align-items: flex-start;
  }
  .chunk-heading code,
  .region-heading code {
    display: none;
  }
  .hero-product .window-bar i {
    display: none;
  }
  .hero-product .window-bar b {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .chunk-metrics {
    gap: 0.4rem;
  }
  .chunk-metrics p {
    padding: 0.7rem 0.65rem;
  }
  .region-map {
    gap: 3px;
  }
  .query-readout {
    display: grid;
    grid-template-columns: 1fr auto;
  }
  .query-readout > span {
    grid-column: 1 / -1;
  }
  .hero-product figcaption {
    display: none;
  }
  .proof-strip {
    grid-template-columns: 1fr;
  }
  .proof-strip p {
    min-height: 80px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .proof-strip p:last-child {
    border-bottom: 0;
  }
  .model-flow {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .model-flow .flow-arrow {
    width: 100%;
    height: 42px;
    transform: rotate(90deg);
  }
  .model-flow .flow-arrow:nth-child(4) {
    display: grid;
  }
  .model-flow .flow-card:nth-child(5) {
    margin-top: 0;
  }
  .model-flow .flow-card:nth-child(5)::before {
    display: none;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .spec-grid {
    grid-template-columns: 1fr;
  }
  .spec-card {
    min-height: 0;
  }
  .feature-card {
    min-height: 240px;
  }
  .choice-list div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
  .code-window pre {
    min-height: 0;
    padding: 1.4rem;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .main-cube {
    animation: cube-float 6s ease-in-out infinite;
  }
  .selected-voxel {
    animation:
      cube-float 6s ease-in-out infinite,
      voxel-pulse 2.8s ease-in-out infinite;
  }
  @keyframes cube-float {
    0%,
    100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-7px);
    }
  }
  @keyframes voxel-pulse {
    0%,
    100% {
      opacity: 0.86;
    }
    50% {
      opacity: 1;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}