.propulsion-hero,
.range-section,
.warning-section,
.propulsion-final-cta {
  position: relative;
  isolation: isolate;
  overflow: clip;
  color: var(--text);
}

section[id] {
  scroll-margin-top: 5.5rem;
}

.propulsion-hero {
  min-height: calc(100svh - 72px);
  display: grid;
  align-items: end;
  background: #05080d;
}

.propulsion-hero-media,
.range-section-media,
.warning-section-media,
.propulsion-final-media {
  position: absolute;
  z-index: -3;
  inset: 0;
  display: block;
}

.propulsion-hero-media img,
.range-section-media img,
.warning-section-media img,
.propulsion-final-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.propulsion-hero-media img {
  object-position: center center;
  transform: scale(1.015);
}

.propulsion-hero-shade,
.range-section-shade,
.warning-section-shade,
.propulsion-final-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  pointer-events: none;
}

.propulsion-hero-shade {
  background:
    linear-gradient(90deg, rgba(2, 5, 9, 0.96) 0%, rgba(2, 5, 9, 0.8) 33%, rgba(2, 5, 9, 0.16) 68%, rgba(2, 5, 9, 0.35) 100%),
    linear-gradient(0deg, rgba(2, 5, 9, 0.92) 0%, transparent 42%, rgba(2, 5, 9, 0.18) 100%);
}

.propulsion-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.48fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: end;
  padding-block: clamp(5.5rem, 10vh, 9rem) clamp(3rem, 7vh, 6rem);
}

.propulsion-hero-copy {
  max-width: 880px;
}

.propulsion-hero-copy h1 {
  max-width: 14ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.8rem, 6.8vw, 7.7rem);
  line-height: 0.88;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.propulsion-hero-copy h1 span {
  color: #e5e9ef;
  font-weight: 540;
}

.propulsion-hero-copy .lead {
  max-width: 760px;
  color: #d3d8e1;
  font-size: clamp(1rem, 1.35vw, 1.22rem);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(4, 7, 11, 0.28);
  color: #fff;
  backdrop-filter: blur(12px);
}

.propulsion-compatibility {
  margin: 1.15rem 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-propulsion-card {
  align-self: end;
  padding: 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  background: linear-gradient(155deg, rgba(17, 22, 30, 0.91), rgba(6, 9, 14, 0.78));
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(22px) saturate(1.15);
}

.prop-card-head,
.hero-metric-row,
.hero-range {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.prop-card-head > span:first-child,
.hero-range span {
  color: #dce4ee;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-label {
  padding: 0.28rem 0.5rem;
  border: 1px solid rgba(227, 170, 71, 0.5);
  border-radius: 999px;
  color: #f0cd8e;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-health {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  padding-block: 1.3rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-health strong {
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 5vw, 5.4rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.hero-health span {
  color: var(--muted);
  font-family: var(--font-mono);
}

.hero-metric-row {
  padding-block: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.hero-metric-row strong {
  display: block;
  color: #fff;
  font-size: 1rem;
}

.hero-range {
  padding-top: 1rem;
}

.hero-range strong {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.8rem;
}

.hero-range small {
  color: var(--muted);
  font-size: 0.68rem;
}

.hero-propulsion-card > p {
  margin: 0.8rem 0 0;
  color: #7f8998;
  font-size: 0.68rem;
}

.capability-key {
  border-block: 1px solid var(--line-soft);
  background: #070a0f;
}

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

.capability-key-grid > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.7rem;
  padding: 1.35rem 1.5rem;
  border-right: 1px solid var(--line-soft);
}

.capability-key-grid > div:last-child {
  border-right: 0;
}

.capability-key-grid strong {
  color: #e7ebf1;
  font-size: 0.82rem;
}

.capability-key-grid span:last-child {
  grid-column: 2;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.capability-dot {
  width: 8px;
  height: 8px;
  margin-top: 0.36rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(67, 202, 120, 0.65);
}

.capability-dot.development {
  background: var(--blue);
  box-shadow: 0 0 18px rgba(101, 170, 255, 0.65);
}

.capability-dot.demonstration {
  background: var(--amber);
  box-shadow: 0 0 18px rgba(227, 170, 71, 0.65);
}

.prop-section,
.remote-section,
.builder-section {
  padding-block: clamp(5.5rem, 10vw, 10rem);
  background: #0a0d12;
}

.prop-section-dark {
  background: #05070a;
}

.prop-section-warm {
  background:
    radial-gradient(circle at 82% 5%, rgba(197, 119, 55, 0.1), transparent 30%),
    #0d0d0e;
}

.prop-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.65fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.prop-section-heading h2,
.architecture-title h2,
.warning-copy h2,
.propulsion-final-copy h2 {
  max-width: 13ch;
  margin-bottom: 0;
  font-size: clamp(3.3rem, 6vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.prop-section-heading > div:last-child {
  max-width: 620px;
  justify-self: end;
}

.prop-section-heading > div:last-child p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.prop-question-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 2rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}

.prop-question-grid span {
  min-height: 116px;
  display: flex;
  align-items: flex-end;
  padding: 1.3rem;
  background: #0f141b;
  color: #e7ecf3;
  font-size: 1.02rem;
  font-weight: 730;
  letter-spacing: -0.02em;
}

.prop-question-grid span::before {
  width: 7px;
  height: 7px;
  margin: 0 0.7rem 0.38rem 0;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--red-bright);
  box-shadow: 0 0 18px rgba(255, 81, 90, 0.55);
  content: "";
}

.telemetry-stage {
  position: relative;
  min-height: 660px;
  display: grid;
  align-items: end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #090c11;
  box-shadow: var(--shadow);
}

.telemetry-stage-media {
  position: absolute;
  inset: 0;
}

.telemetry-stage-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(4, 6, 9, 0.98) 0%, rgba(4, 6, 9, 0.45) 56%, rgba(4, 6, 9, 0.2) 100%);
  content: "";
}

.telemetry-stage-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mfd-screen {
  position: absolute;
  z-index: 0;
  display: block;
  overflow: hidden;
  background: #05080d;
  filter: drop-shadow(0 0 10px rgba(56, 122, 220, 0.22));
  pointer-events: none;
}

.mfd-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: brightness(0.74) contrast(1.08) saturate(0.88);
}

.mfd-screen::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(112deg, rgba(255, 255, 255, 0.12), transparent 26%, transparent 68%, rgba(255, 255, 255, 0.035)),
    linear-gradient(0deg, rgba(2, 5, 9, 0.2), transparent 55%);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.48);
  content: "";
}

.mfd-screen-bridge {
  top: 42%;
  left: 13.15%;
  width: 27.65%;
  height: 24.8%;
  clip-path: polygon(11% 4%, 98% 5%, 98% 95%, 1% 98%);
}

.mfd-screen-power {
  top: 42.35%;
  left: 42.85%;
  width: 22.8%;
  height: 24.8%;
  clip-path: polygon(0 3%, 100% 5%, 85% 96%, 77% 82%, 72% 68%, 65% 58%, 56% 53%, 47% 54%, 38% 61%, 30% 74%, 24% 94%, 0 98%);
}

.telemetry-flow {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, auto));
  gap: 0.6rem;
  align-items: center;
  padding: clamp(1.4rem, 3vw, 2.4rem);
}

.telemetry-source {
  min-width: 145px;
  min-height: 128px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
  border: 1px solid #2b3340;
  border-radius: 14px;
  background: rgba(11, 15, 21, 0.9);
  backdrop-filter: blur(14px);
}

.telemetry-source.glassbridge {
  border-color: rgba(255, 81, 90, 0.56);
  background: linear-gradient(150deg, rgba(80, 18, 24, 0.8), rgba(12, 16, 23, 0.94));
}

.telemetry-source > span,
.telemetry-source small {
  color: #8792a1;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.telemetry-source strong {
  color: #fff;
  font-size: 1.1rem;
}

.telemetry-flow > i,
.standards-flow > i,
.propulsion-architecture > i {
  position: relative;
  display: block;
  width: 34px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
}

.telemetry-flow > i::after,
.standards-flow > i::after,
.propulsion-architecture > i::after {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red-bright));
  content: "";
  animation: signal-flow 3.4s ease-in-out infinite;
}

.telemetry-outcomes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.telemetry-outcomes span {
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(8, 12, 18, 0.82);
  color: #dbe3ed;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.engine-comparison-stage {
  position: relative;
  min-height: 720px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #080a0e;
  box-shadow: var(--shadow);
}

.engine-room-media {
  position: absolute;
  inset: 0;
}

.engine-room-media::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(3, 5, 8, 0.98) 0%, rgba(3, 5, 8, 0.68) 62%, rgba(3, 5, 8, 0.22) 100%),
    linear-gradient(90deg, rgba(3, 5, 8, 0.46), transparent, rgba(3, 5, 8, 0.46));
  content: "";
}

.engine-room-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.engine-demo-toolbar,
.engine-demo-panel,
.technical-disclaimer {
  position: relative;
  z-index: 1;
}

.engine-demo-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2rem);
}

.engine-demo-toolbar > span {
  color: #99a3b1;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.engine-demo-toolbar > div {
  display: flex;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid #313846;
  border-radius: 999px;
  background: rgba(5, 8, 12, 0.78);
}

.engine-demo-toolbar button {
  padding: 0.55rem 0.78rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #9fa9b7;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  cursor: pointer;
}

.engine-demo-toolbar button[aria-pressed="true"] {
  background: #e3343d;
  color: #fff;
}

.engine-demo-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px minmax(0, 1fr);
  gap: 1rem;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.engine-demo-panel[hidden] {
  display: none;
}

.engine-card,
.engine-balance,
.delta-card,
.engine-insight-card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(10, 14, 20, 0.91);
  backdrop-filter: blur(16px);
}

.engine-card {
  padding: clamp(1rem, 2.4vw, 1.8rem);
}

.engine-card > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.engine-card > div:first-child small {
  color: #7f8a99;
  font-size: 0.56rem;
}

.engine-card > strong {
  display: block;
  margin: 1.6rem 0;
  font-family: var(--font-mono);
  font-size: clamp(2.3rem, 4vw, 4.4rem);
  letter-spacing: -0.07em;
}

.engine-card > strong small {
  color: #8d97a5;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}

.engine-card dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 0;
}

.engine-card dl div {
  padding: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.engine-card dt,
.engine-card dd {
  margin: 0;
  font-family: var(--font-mono);
}

.engine-card dt {
  margin-bottom: 0.35rem;
  color: #7f8997;
  font-size: 0.54rem;
  text-transform: uppercase;
}

.engine-card dd {
  color: #e8edf3;
  font-size: 0.76rem;
}

.engine-balance {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
}

.engine-balance span,
.engine-balance small {
  color: #86909e;
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.engine-balance strong {
  margin-block: 0.7rem;
  color: #9be7b6;
  font-size: 1rem;
  text-transform: uppercase;
}

.engine-trend-panel {
  grid-template-columns: repeat(3, minmax(0, 0.55fr)) minmax(320px, 1.45fr);
}

.delta-card,
.engine-insight-card {
  padding: 1.35rem;
}

.delta-card span,
.delta-card em {
  display: block;
  color: #909aa8;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.delta-card strong {
  display: block;
  margin-block: 1.2rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 2.2rem;
}

.delta-card strong small {
  color: var(--muted);
  font-size: 0.68rem;
}

.delta-card.attention {
  border-color: rgba(227, 170, 71, 0.55);
}

.delta-card.attention em {
  color: #f0cd8e;
}

.engine-insight-card {
  border-color: rgba(101, 170, 255, 0.46);
  background: linear-gradient(150deg, rgba(16, 42, 70, 0.9), rgba(9, 13, 19, 0.94));
}

.engine-insight-card h3 {
  font-size: 1.25rem;
}

.engine-insight-card p:not(.kicker) {
  color: #c1cad6;
}

.engine-insight-card > strong {
  color: #b9d7ff;
  font-size: 0.78rem;
}

.engine-comparison-stage > .technical-disclaimer {
  margin: 0;
  padding: 1.1rem 2rem 1.35rem;
}

.technical-disclaimer,
.privacy-note {
  color: #87919e;
  font-size: 0.72rem;
}

.health-console,
.efficiency-console,
.readiness-console {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #0b0f15;
  box-shadow: var(--shadow);
}

.health-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 0%, rgba(227, 52, 61, 0.16), transparent 36%),
    #0e131a;
}

.health-summary > div:first-child > span,
.health-summary > div:first-child > em {
  display: block;
  color: #8d97a5;
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.health-summary > div:first-child > strong {
  display: block;
  margin-block: 1.1rem;
  font-family: var(--font-mono);
  font-size: clamp(4.6rem, 10vw, 10rem);
  line-height: 0.75;
  letter-spacing: -0.09em;
}

.health-summary > div:first-child > strong small {
  color: #7c8794;
  font-size: 1rem;
  letter-spacing: 0;
}

.health-engines {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}

.health-engines span {
  min-width: 150px;
  padding: 1.2rem;
  background: #0b0f15;
  color: #8b95a3;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
}

.health-engines strong {
  display: block;
  margin-top: 0.6rem;
  color: #fff;
  font-size: 2.2rem;
}

.health-breakdown {
  display: grid;
  gap: 1rem;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.health-breakdown > div {
  display: grid;
  grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr) 45px;
  gap: 1rem;
  align-items: center;
  color: #cdd4de;
  font-size: 0.78rem;
}

.health-breakdown i {
  position: relative;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: #222936;
}

.health-breakdown i::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--score);
  background: linear-gradient(90deg, var(--red), var(--red-bright));
  content: "";
  transform-origin: left;
}

/* Fixed illustrative values; external classes preserve the strict site CSP. */
.health-breakdown .score-96 { --score: 96%; }
.health-breakdown .score-97 { --score: 97%; }
.health-breakdown .score-98 { --score: 98%; }
.health-breakdown .score-99 { --score: 99%; }
.health-breakdown .score-100 { --score: 100%; }

.health-breakdown strong {
  font-family: var(--font-mono);
  text-align: right;
}

.health-explain-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem clamp(1.5rem, 4vw, 3rem);
  border: 0;
  border-top: 1px solid var(--line);
  background: #111720;
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.health-explain-button span {
  font-size: 1.4rem;
  transition: transform 180ms ease-out;
}

.health-explain-button[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.health-explanation {
  padding: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  background: #0a0e14;
}

.health-explanation > div:first-child span,
.health-explanation > div:first-child strong {
  display: block;
}

.health-explanation > div:first-child span {
  margin-bottom: 0.5rem;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.health-explanation > div:first-child strong {
  font-size: 1.4rem;
}

.health-explanation dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-block: 1.4rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}

.health-explanation dl div {
  padding: 1.2rem;
  background: #0e131a;
}

.health-explanation dt,
.health-explanation dd {
  margin: 0;
}

.health-explanation dt {
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-size: 0.7rem;
}

.health-explanation dd {
  font-family: var(--font-mono);
  font-size: 1rem;
}

.health-explanation p {
  margin-bottom: 0;
  color: #7f8997;
  font-size: 0.7rem;
}

.efficiency-console {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
}

.efficiency-chart {
  min-width: 0;
  padding: clamp(1.3rem, 3vw, 2.4rem);
  border-right: 1px solid var(--line);
}

.chart-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #e4e9f0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chart-head small {
  color: #7c8695;
  font-size: 0.56rem;
}

.efficiency-chart svg {
  width: 100%;
  height: auto;
  margin-top: 1.5rem;
  overflow: visible;
}

.chart-grid path {
  fill: none;
  stroke: rgba(143, 156, 175, 0.14);
  stroke-width: 1;
}

.efficiency-area {
  fill: rgba(227, 52, 61, 0.18);
  opacity: 0.22;
  stroke: none;
}

.efficiency-line {
  fill: none;
  stroke: var(--red-bright);
  stroke-linecap: round;
  stroke-width: 4;
}

.chart-points circle {
  fill: #0b0f15;
  stroke: #c9d2dd;
  stroke-width: 3;
}

.chart-points circle.best {
  fill: var(--red-bright);
  stroke: #fff;
}

.efficiency-best {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 100% 0%, rgba(227, 52, 61, 0.2), transparent 48%),
    #0e131a;
}

.efficiency-best > span {
  color: var(--red-bright);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.efficiency-best > strong {
  margin-block: 1.6rem;
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  letter-spacing: -0.07em;
}

.efficiency-best > strong small {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0;
}

.efficiency-best > div {
  display: flex;
  gap: 0.5rem;
}

.efficiency-best > div span {
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #dce3ec;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.efficiency-best p {
  margin: 1.2rem 0 0;
  color: #7f8996;
  font-size: 0.72rem;
}

.efficiency-table-wrap {
  grid-column: 1 / -1;
  overflow-x: auto;
  border-top: 1px solid var(--line);
}

.efficiency-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.efficiency-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.efficiency-table th,
.efficiency-table td {
  padding: 1rem clamp(0.8rem, 2vw, 1.6rem);
  border-bottom: 1px solid var(--line-soft);
  text-align: right;
  white-space: nowrap;
}

.efficiency-table th:first-child,
.efficiency-table td:first-child {
  text-align: left;
}

.efficiency-table th {
  color: #7e8998;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.efficiency-table tr.best td {
  background: rgba(227, 52, 61, 0.08);
  color: #fff;
}

.prop-callout {
  max-width: 980px;
  margin: clamp(2rem, 5vw, 4rem) auto 0;
  color: #e9edf2;
  font-size: clamp(1.7rem, 3vw, 3.3rem);
  font-weight: 760;
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-align: center;
  text-wrap: balance;
}

.range-section {
  min-height: 920px;
  display: grid;
  align-items: center;
}

.range-section-shade {
  background: linear-gradient(90deg, rgba(4, 7, 11, 0.94) 0%, rgba(4, 7, 11, 0.72) 42%, rgba(4, 7, 11, 0.12) 74%, rgba(4, 7, 11, 0.38) 100%);
}

.range-section-media img {
  object-position: center;
}

.range-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.65fr) minmax(520px, 0.95fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  padding-block: 6rem;
}

.range-copy h2 {
  max-width: 10ch;
  font-size: clamp(3.4rem, 6vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.range-copy .lead {
  max-width: 600px;
  color: #d8dee6;
}

.range-console {
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  background: rgba(6, 10, 15, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.range-ring {
  position: relative;
  width: min(290px, 68vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: conic-gradient(var(--red-bright) 0 76%, rgba(255, 255, 255, 0.12) 76% 100%);
  box-shadow: 0 0 70px rgba(227, 52, 61, 0.22);
}

.range-ring::before {
  position: absolute;
  width: calc(min(290px, 68vw) - 20px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: #090d13;
  content: "";
}

.range-ring > div {
  position: relative;
  z-index: 1;
  text-align: center;
}

.range-ring span,
.range-ring em {
  display: block;
  color: #8d97a5;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.range-ring strong {
  display: block;
  margin-block: 0.65rem;
  font-family: var(--font-mono);
  font-size: 3.8rem;
  letter-spacing: -0.08em;
}

.range-ring strong small {
  color: var(--muted);
  font-size: 0.7rem;
}

.range-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}

.range-metrics > span {
  padding: 0.9rem;
  background: #0c1118;
}

.range-metrics small,
.range-metrics strong {
  display: block;
  font-family: var(--font-mono);
}

.range-metrics small {
  min-height: 2.2em;
  color: #7e8997;
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.range-metrics strong {
  margin-top: 0.45rem;
  color: #fff;
  font-size: 0.78rem;
}

.destination-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 1rem;
}

.destination-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(67, 202, 120, 0.25);
  border-radius: 10px;
  background: rgba(67, 202, 120, 0.06);
}

.destination-list span {
  color: #e2e8ef;
  font-weight: 760;
}

.destination-list span small {
  margin-left: 0.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-weight: 500;
}

.destination-list strong {
  color: #a9e8bf;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.destination-list > div.outside {
  border-color: rgba(227, 170, 71, 0.32);
  background: rgba(227, 170, 71, 0.06);
}

.destination-list > div.outside strong {
  color: #f0cd8e;
}

.trip-stage {
  position: relative;
  min-height: 740px;
  display: grid;
  align-items: end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #080b10;
  box-shadow: var(--shadow);
}

.trip-stage-media {
  position: absolute;
  inset: 0;
}

.trip-stage-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(4, 7, 11, 0.98) 0%, rgba(4, 7, 11, 0.58) 48%, rgba(4, 7, 11, 0.04) 78%);
  content: "";
}

.trip-stage-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trip-console {
  position: relative;
  z-index: 1;
  margin: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: rgba(8, 12, 18, 0.88);
  backdrop-filter: blur(18px);
}

.trip-route span,
.trip-route strong {
  display: block;
}

.trip-route span {
  margin-bottom: 0.7rem;
  color: var(--red-bright);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.trip-route strong {
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
}

.trip-route i {
  margin-inline: 0.35rem;
  color: var(--red-bright);
  font-style: normal;
}

.trip-metrics {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.4rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
}

.trip-metrics > span {
  padding: 0.8rem;
  background: #0b1017;
}

.trip-metrics small,
.trip-metrics strong {
  display: block;
  font-family: var(--font-mono);
}

.trip-metrics small {
  min-height: 2.5em;
  color: #7e8997;
  font-size: 0.5rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.trip-metrics strong {
  margin-top: 0.55rem;
  color: #e8edf3;
  font-size: 0.7rem;
}

.trip-metrics .trip-health {
  background: rgba(67, 202, 120, 0.08);
}

.trip-metrics .trip-health strong {
  color: #a9e8bf;
}

.trip-console > p {
  margin: 0.8rem 0 0;
  color: #747f8d;
  font-size: 0.64rem;
}

.privacy-note {
  margin: 1.3rem 0 0;
  text-align: right;
}

.warning-section {
  min-height: 900px;
  display: grid;
  align-items: center;
}

.warning-section-shade {
  background:
    linear-gradient(90deg, rgba(3, 5, 8, 0.95) 0%, rgba(3, 5, 8, 0.75) 46%, rgba(3, 5, 8, 0.22) 100%),
    linear-gradient(0deg, rgba(3, 5, 8, 0.74), transparent 55%);
}

.warning-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.7fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  padding-block: 6rem;
}

.warning-copy h2 {
  max-width: 11ch;
}

.warning-copy h2 span {
  color: #aeb7c3;
  font-weight: 520;
}

.warning-copy .lead {
  max-width: 680px;
  color: #d0d6df;
}

.warning-card {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(227, 170, 71, 0.42);
  border-radius: 22px;
  background: linear-gradient(155deg, rgba(48, 35, 18, 0.83), rgba(7, 10, 15, 0.9));
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.warning-card > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #f0cd8e;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.warning-card > div:first-child em {
  color: #98a3b0;
  font-size: 0.53rem;
  font-style: normal;
}

.warning-card h3 {
  margin-block: 1.5rem;
  font-size: clamp(1.4rem, 2.5vw, 2.25rem);
  line-height: 1.12;
}

.warning-card p {
  color: #c5cdd7;
}

.warning-card small {
  display: block;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #8c96a4;
  line-height: 1.55;
}

.readiness-console {
  background:
    radial-gradient(circle at 88% 0%, rgba(67, 202, 120, 0.13), transparent 30%),
    #0b0f15;
}

.readiness-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.readiness-head span,
.readiness-head small {
  display: block;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.readiness-head span {
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
}

.readiness-head small {
  margin-top: 0.45rem;
  color: #7f8997;
  font-size: 0.54rem;
}

.readiness-head > strong {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #a9e8bf;
  font-size: clamp(1.4rem, 3vw, 2.6rem);
  text-transform: uppercase;
}

.readiness-head i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(67, 202, 120, 0.5);
  border-radius: 50%;
  background: rgba(67, 202, 120, 0.1);
  font-style: normal;
}

.readiness-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.readiness-grid article {
  min-height: 270px;
  padding: 1.5rem;
  background: #0d1219;
}

.readiness-grid article > span {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.readiness-grid ul {
  display: grid;
  gap: 0.8rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.readiness-grid li {
  position: relative;
  padding-left: 1.4rem;
  color: #b9c1cc;
  font-size: 0.78rem;
}

.readiness-grid li::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "✓";
}

.readiness-console > p {
  margin: 0;
  padding: 1.1rem clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: #7e8997;
  font-size: 0.7rem;
}

.remote-section {
  background: #0b0e13;
}

.remote-layout {
  display: grid;
  grid-template-columns: minmax(520px, 1.1fr) minmax(320px, 0.7fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}

.remote-media {
  position: relative;
  min-width: 0;
}

.remote-media > picture {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.remote-media img {
  width: 100%;
  height: auto;
  display: block;
}

.phone-console {
  position: absolute;
  right: clamp(1rem, 5vw, 4rem);
  bottom: -2rem;
  width: min(280px, 48%);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  background: rgba(8, 12, 18, 0.93);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(20px);
}

.phone-console > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #96a1af;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.phone-console > div:first-child i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px rgba(67, 202, 120, 0.7);
}

.phone-console > strong {
  display: block;
  margin-block: 1.2rem 0.8rem;
  font-size: 1rem;
}

.phone-console dl {
  margin: 0;
}

.phone-console dl div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.55rem;
  border-top: 1px solid var(--line-soft);
}

.phone-console dt,
.phone-console dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.57rem;
}

.phone-console dt {
  color: #84909e;
  text-transform: uppercase;
}

.phone-console dd {
  color: #e6ebf1;
}

.phone-console > p {
  margin: 0.8rem 0 0;
  color: #a9e8bf;
  font-size: 0.62rem;
}

.phone-console > small {
  color: #707b89;
  font-size: 0.53rem;
}

.remote-copy h2 {
  max-width: 10ch;
  font-size: clamp(3.2rem, 5.5vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.remote-copy .lead {
  color: #cbd2dc;
}

.technical-section {
  background:
    linear-gradient(180deg, rgba(101, 170, 255, 0.04), transparent 24%),
    #080b10;
}

.technical-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.62fr) minmax(520px, 1.1fr);
  gap: 1rem;
}

.technical-values,
.standards-flow {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #0d1219;
}

.technical-values {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.technical-values h3 {
  max-width: 16ch;
  font-size: 1.5rem;
}

.technical-values ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.technical-values li {
  padding: 0.7rem;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  color: #c7cfda;
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.technical-values p {
  margin-bottom: 0;
  color: #7f8997;
  font-size: 0.72rem;
}

.standards-flow {
  display: grid;
  grid-template-columns: 1fr auto 0.48fr auto 0.76fr auto 0.55fr auto 0.76fr auto 0.65fr;
  gap: 0.5rem;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.standards-flow span,
.standards-flow strong,
.standards-flow b {
  min-height: 84px;
  display: grid;
  place-items: center;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #090d13;
  color: #dfe5ed;
  font-family: var(--font-mono);
  font-size: 0.61rem;
  line-height: 1.4;
  text-align: center;
  text-transform: uppercase;
}

.standards-flow strong {
  border-color: rgba(227, 52, 61, 0.55);
  background: rgba(227, 52, 61, 0.08);
  color: #fff;
}

.standards-flow b {
  border-color: rgba(101, 170, 255, 0.5);
  color: #b9d7ff;
}

.standards-flow > i {
  width: 20px;
}

.control-statement {
  max-width: 1020px;
  margin: clamp(2.5rem, 6vw, 5rem) auto 1rem;
  color: #fff;
  font-size: clamp(1.8rem, 3.4vw, 3.7rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-align: center;
  text-transform: uppercase;
  text-wrap: balance;
}

.technical-section > .container > .technical-disclaimer {
  text-align: center;
}

.builder-section {
  background:
    radial-gradient(circle at 10% 0%, rgba(227, 52, 61, 0.1), transparent 30%),
    #0d1015;
}

.builder-benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--line);
}

.builder-benefits span {
  min-height: 150px;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  background: #0e131a;
  color: #e0e6ee;
  font-weight: 740;
  line-height: 1.25;
}

.builder-benefits span::before {
  width: 7px;
  height: 7px;
  margin: 0 0.7rem 0.32rem 0;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--red-bright);
  content: "";
}

.builder-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 1.5rem;
}

.builder-action p {
  max-width: 680px;
  margin: 0;
  color: #838e9c;
  font-size: 0.72rem;
}

.architecture-title {
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.propulsion-architecture {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px minmax(260px, 0.38fr) 56px minmax(0, 0.62fr);
  gap: 1.2rem;
  align-items: center;
}

.architecture-sources,
.architecture-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.architecture-sources span,
.architecture-roles span {
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #0d1219;
  color: #cbd3de;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.architecture-core {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  border: 1px solid rgba(227, 52, 61, 0.55);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(227, 52, 61, 0.2), rgba(8, 11, 16, 0.98) 68%);
  box-shadow: 0 0 90px rgba(227, 52, 61, 0.16);
  text-align: center;
}

.architecture-core img {
  width: 52px;
  height: 52px;
  margin-bottom: 1rem;
}

.architecture-core strong {
  font-size: 1.35rem;
}

.architecture-core small {
  margin-top: 0.55rem;
  color: #8c96a4;
  font-family: var(--font-mono);
  font-size: 0.54rem;
  text-transform: uppercase;
}

.propulsion-architecture > i {
  width: 56px;
}

.propulsion-final-cta {
  min-height: 820px;
  display: grid;
  align-items: end;
}

.propulsion-final-shade {
  background:
    linear-gradient(90deg, rgba(3, 5, 8, 0.9), rgba(3, 5, 8, 0.42) 55%, rgba(3, 5, 8, 0.2)),
    linear-gradient(0deg, rgba(3, 5, 8, 0.95) 0%, transparent 65%);
}

.propulsion-final-media img {
  object-position: center;
}

.propulsion-final-copy {
  padding-block: 6rem;
}

.propulsion-final-copy h2 {
  max-width: 11ch;
}

.propulsion-final-copy > p:not(.kicker) {
  margin-top: 1.2rem;
  color: #cbd2dc;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
}

.propulsion-final-copy .cta-actions {
  margin-top: 2rem;
}

@keyframes signal-flow {
  0%, 15% { transform: translateX(0); opacity: 0; }
  35%, 70% { opacity: 1; }
  100% { transform: translateX(200%); opacity: 0; }
}

@media (max-width: 1240px) {
  .propulsion-hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.45fr);
  }

  .telemetry-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .mfd-screen {
    display: none;
  }

  .telemetry-flow > i {
    display: none;
  }

  .telemetry-outcomes {
    grid-column: 1 / -1;
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

  .engine-insight-card {
    grid-column: 1 / -1;
  }

  .trip-metrics {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

  .technical-grid,
  .technical-section .prop-section-heading {
    grid-template-columns: 1fr;
  }

  .standards-flow {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .standards-flow > i {
    display: none;
  }

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

@media (max-width: 980px) {
  .propulsion-hero {
    min-height: auto;
  }

  .propulsion-hero-layout,
  .prop-section-heading,
  .range-layout,
  .warning-layout,
  .remote-layout,
  .technical-grid {
    grid-template-columns: 1fr;
  }

  .propulsion-hero-layout {
    align-items: end;
    padding-top: 7rem;
  }

  .propulsion-hero-copy h1 {
    max-width: 12ch;
  }

  .hero-propulsion-card {
    width: min(520px, 100%);
  }

  .capability-key-grid {
    grid-template-columns: 1fr;
  }

  .capability-key-grid > div,
  .capability-key-grid > div:last-child {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

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

  .telemetry-stage,
  .engine-comparison-stage,
  .trip-stage {
    min-height: 620px;
  }

  .engine-demo-panel {
    grid-template-columns: 1fr 1fr;
  }

  .engine-balance {
    grid-column: 1 / -1;
    min-height: 130px;
    grid-row: 2;
  }

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

  .engine-insight-card {
    grid-column: 1 / -1;
  }

  .efficiency-console {
    grid-template-columns: 1fr;
  }

  .efficiency-chart {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .range-section,
  .warning-section {
    min-height: auto;
  }

  .range-section-shade {
    background: linear-gradient(0deg, rgba(4, 7, 11, 0.96) 0%, rgba(4, 7, 11, 0.74) 72%, rgba(4, 7, 11, 0.35) 100%);
  }

  .range-console {
    max-width: 720px;
  }

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

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

  .warning-card {
    max-width: 680px;
  }

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

  .phone-console {
    bottom: -2.5rem;
  }

  .remote-copy {
    padding-top: 3rem;
  }

  .propulsion-architecture {
    grid-template-columns: 1fr;
  }

  .propulsion-architecture > i {
    width: 1px;
    height: 44px;
    justify-self: center;
  }

  .architecture-core {
    width: 260px;
    min-height: 260px;
    justify-self: center;
  }

  .architecture-sources,
  .architecture-roles {
    justify-content: center;
  }
}

@media (max-width: 680px) {
  .propulsion-hero-media img {
    object-position: 63% center;
  }

  .propulsion-hero-shade {
    background:
      linear-gradient(0deg, rgba(2, 5, 9, 0.98) 0%, rgba(2, 5, 9, 0.76) 70%, rgba(2, 5, 9, 0.32) 100%),
      linear-gradient(90deg, rgba(2, 5, 9, 0.7), transparent);
  }

  .propulsion-hero-layout {
    padding-block: 6rem 3rem;
  }

  .propulsion-hero-copy h1 {
    max-width: 11ch;
    font-size: clamp(3rem, 14vw, 4.2rem);
  }

  .propulsion-hero-copy .lead {
    font-size: 0.96rem;
  }

  .hero-metric-row {
    align-items: flex-start;
  }

  .prop-section,
  .remote-section,
  .builder-section {
    padding-block: 4.5rem;
  }

  .prop-section-heading h2,
  .architecture-title h2,
  .warning-copy h2,
  .propulsion-final-copy h2,
  .range-copy h2,
  .remote-copy h2 {
    font-size: clamp(2.75rem, 13vw, 4.2rem);
  }

  .prop-question-grid {
    grid-template-columns: 1fr;
  }

  .prop-question-grid span {
    min-height: 92px;
  }

  .telemetry-stage {
    min-height: 760px;
  }

  .telemetry-stage-media img {
    object-position: 60% center;
  }

  .telemetry-flow {
    grid-template-columns: 1fr 1fr;
  }

  .telemetry-source {
    min-width: 0;
    min-height: 112px;
  }

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

  .engine-comparison-stage {
    min-height: 980px;
  }

  .engine-room-media img {
    object-position: center top;
  }

  .engine-demo-toolbar {
    display: grid;
  }

  .engine-demo-toolbar > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .engine-demo-panel,
  .engine-trend-panel {
    grid-template-columns: 1fr;
  }

  .engine-balance,
  .engine-insight-card {
    grid-column: auto;
    grid-row: auto;
  }

  .engine-card dl {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .health-summary {
    grid-template-columns: 1fr;
  }

  .health-engines {
    width: 100%;
  }

  .health-breakdown > div {
    grid-template-columns: 110px minmax(0, 1fr) 32px;
    gap: 0.65rem;
  }

  .health-explanation dl {
    grid-template-columns: 1fr;
  }

  .chart-head {
    display: grid;
  }

  .efficiency-best > div {
    flex-wrap: wrap;
  }

  .range-layout {
    padding-block: 4.5rem;
  }

  .range-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .destination-list > div {
    align-items: flex-start;
  }

  .destination-list strong {
    max-width: 12ch;
    text-align: right;
  }

  .trip-stage {
    min-height: 820px;
  }

  .trip-stage-media img {
    object-position: 48% center;
  }

  .trip-console {
    margin: 0.75rem;
  }

  .trip-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .privacy-note {
    text-align: left;
  }

  .warning-section-media img {
    object-position: 58% center;
  }

  .warning-section-shade {
    background: linear-gradient(0deg, rgba(3, 5, 8, 0.98) 0%, rgba(3, 5, 8, 0.82) 72%, rgba(3, 5, 8, 0.42) 100%);
  }

  .warning-card > div:first-child,
  .readiness-head,
  .builder-action {
    align-items: flex-start;
    flex-direction: column;
  }

  .readiness-grid,
  .builder-benefits {
    grid-template-columns: 1fr;
  }

  .readiness-grid article {
    min-height: 0;
  }

  .phone-console {
    position: relative;
    right: auto;
    bottom: auto;
    width: calc(100% - 2rem);
    margin: -4rem auto 0;
  }

  .remote-copy {
    padding-top: 0;
  }

  .technical-values ul {
    grid-template-columns: 1fr;
  }

  .standards-flow {
    grid-template-columns: 1fr 1fr;
  }

  .control-statement {
    font-size: clamp(1.55rem, 8vw, 2.6rem);
  }

  .builder-benefits span {
    min-height: 110px;
  }

  .builder-action .button {
    width: 100%;
  }

  .architecture-core {
    width: 220px;
    min-height: 220px;
  }

  .propulsion-final-cta {
    min-height: 720px;
  }

  .propulsion-final-media img {
    object-position: 63% center;
  }

  .propulsion-final-shade {
    background: linear-gradient(0deg, rgba(3, 5, 8, 0.98) 0%, rgba(3, 5, 8, 0.65) 68%, rgba(3, 5, 8, 0.28) 100%);
  }
}

@media (min-width: 1920px) {
  .propulsion-hero-copy h1 {
    font-size: 8.2rem;
  }

  .propulsion-hero-layout {
    min-height: calc(100svh - 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .telemetry-flow > i::after,
  .standards-flow > i::after,
  .propulsion-architecture > i::after {
    animation: none;
  }

  .propulsion-hero-media img {
    transform: none;
  }
}